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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (28 commits)
  [MIPS] Pb1000: bury the remnants of the PCI code
  [MIPS] Fix build failure in mips oprofile code
  [MIPS] fix warning message on SMP kernels
  [MIPS] markeins: build fix
  [MIPS] ELF handling - use SELFMAG instead of numeric constant
  [MIPS] Get rid of __ilog2
  [MIPS] Fix __fls for non-MIPS32/MIPS64 cpus
  [MIPS] XXS1500 code style cleanup
  [MIPS] MTX-1 code style cleanup
  [MIPS] Pb1200/DBAu1200 code style cleanup
  [MIPS] Pb1550 code style cleanup
  [MIPS] Pb1500 code style cleanup
  [MIPS] Pb1100 code style cleanup
  [MIPS] Pb1000 code style cleanup
  [MIPS] DBAu1xx0 code style cleanup
  [MIPS] Alchemy PCI code style cleanup
  [MIPS] Alchemy common code style cleanup
  [MIPS] Alchemy common headers style cleanup
  [MIPS] Add empty argument parenthesis to GCC_IMM_ASM
  [MIPS] msp_hwbutton.c: minor irq handler cleanups
  ...
This commit is contained in:
Linus Torvalds 2008-05-12 09:03:42 -07:00
commit 8d97b84935
83 changed files with 2466 additions and 2678 deletions
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7
arch/mips/au1000/common/Makefile
View File

@ -1,9 +1,8 @@
#
# Copyright 2000 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Au1000 CPU, generic files.
# Makefile for the Alchemy Au1xx0 CPUs, generic files.
#
obj-y += prom.o irq.o puts.o time.o reset.o \

145
arch/mips/au1000/common/au1xxx_irqmap.c
View File

@ -40,20 +40,20 @@
struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
#if defined(CONFIG_SOC_AU1000)
{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@ -62,32 +62,32 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1500)
{ AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@ -100,26 +100,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1100)
{ AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@ -128,33 +128,33 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
/*{ AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0},*/
{ AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
/* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */
{ AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1550)
{ AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@ -163,26 +163,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
#elif defined(CONFIG_SOC_AU1200)
{ AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
@ -191,10 +191,10 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 },
#else
#error "Error: Unknown Alchemy SOC"
@ -203,4 +203,3 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
};
int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map);

24
arch/mips/au1000/common/clocks.c
View File

@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
* Simple Au1000 clocks routines.
* Simple Au1xx0 clocks routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -30,8 +29,8 @@
#include <linux/module.h>
#include <asm/mach-au1x00/au1000.h>
static unsigned int au1x00_clock; // Hz
static unsigned int lcd_clock; // KHz
static unsigned int au1x00_clock; /* Hz */
static unsigned int lcd_clock; /* KHz */
static unsigned long uart_baud_base;
/*
@ -47,8 +46,6 @@ unsigned int get_au1x00_speed(void)
return au1x00_clock;
}
/*
* The UART baud base is not known at compile time ... if
* we want to be able to use the same code on different
@ -73,24 +70,23 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
void set_au1x00_lcd_clock(void)
{
unsigned int static_cfg0;
unsigned int sys_busclk =
(get_au1x00_speed()/1000) /
((int)(au_readl(SYS_POWERCTRL)&0x03) + 2);
unsigned int sys_busclk = (get_au1x00_speed() / 1000) /
((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2);
static_cfg0 = au_readl(MEM_STCFG0);
if (static_cfg0 & (1<<11))
if (static_cfg0 & (1 << 11))
lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */
else
lcd_clock = sys_busclk / 4;
if (lcd_clock > 50000) /* Epson MAX */
printk("warning: LCD clock too high (%d KHz)\n", lcd_clock);
printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n",
lcd_clock);
}
unsigned int get_au1x00_lcd_clock(void)
{
return lcd_clock;
}
EXPORT_SYMBOL(get_au1x00_lcd_clock);

5
arch/mips/au1000/common/cputable.c
View File

@ -14,7 +14,7 @@
#include <asm/mach-au1x00/au1000.h>
struct cpu_spec* cur_cpu_spec[NR_CPUS];
struct cpu_spec *cur_cpu_spec[NR_CPUS];
/* With some thought, we can probably use the mask to reduce the
* size of the table.
@ -39,8 +39,7 @@ struct cpu_spec cpu_specs[] = {
{ 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0, 0 }
};
void
set_cpuspec(void)
void set_cpuspec(void)
{
struct cpu_spec *sp;
u32 prid;

327
arch/mips/au1000/common/dbdma.c
View File

@ -53,12 +53,11 @@
*/
static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock);
/* I couldn't find a macro that did this......
*/
/* I couldn't find a macro that did this... */
#define ALIGN_ADDR(x, a) ((((u32)(x)) + (a-1)) & ~(a-1))
static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
static int dbdma_initialized=0;
static int dbdma_initialized;
static void au1xxx_dbdma_init(void);
static dbdev_tab_t dbdev_tab[] = {
@ -149,7 +148,7 @@ static dbdev_tab_t dbdev_tab[] = {
{ DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
#endif // CONFIG_SOC_AU1200
#endif /* CONFIG_SOC_AU1200 */
{ DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
@ -177,8 +176,7 @@ static dbdev_tab_t dbdev_tab[] = {
static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS];
static dbdev_tab_t *
find_dbdev_id(u32 id)
static dbdev_tab_t *find_dbdev_id(u32 id)
{
int i;
dbdev_tab_t *p;
@ -190,29 +188,27 @@ find_dbdev_id(u32 id)
return NULL;
}
void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp)
void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp)
{
return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
}
EXPORT_SYMBOL(au1xxx_ddma_get_nextptr_virt);
u32
au1xxx_ddma_add_device(dbdev_tab_t *dev)
u32 au1xxx_ddma_add_device(dbdev_tab_t *dev)
{
u32 ret = 0;
dbdev_tab_t *p=NULL;
static u16 new_id=0x1000;
dbdev_tab_t *p;
static u16 new_id = 0x1000;
p = find_dbdev_id(~0);
if ( NULL != p )
{
if (NULL != p) {
memcpy(p, dev, sizeof(dbdev_tab_t));
p->dev_id = DSCR_DEV2CUSTOM_ID(new_id, dev->dev_id);
ret = p->dev_id;
new_id++;
#if 0
printk("add_device: id:%x flags:%x padd:%x\n",
p->dev_id, p->dev_flags, p->dev_physaddr );
printk(KERN_DEBUG "add_device: id:%x flags:%x padd:%x\n",
p->dev_id, p->dev_flags, p->dev_physaddr);
#endif
}
@ -220,10 +216,8 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev)
}
EXPORT_SYMBOL(au1xxx_ddma_add_device);
/* Allocate a channel and return a non-zero descriptor if successful.
*/
u32
au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
/* Allocate a channel and return a non-zero descriptor if successful. */
u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
void (*callback)(int, void *), void *callparam)
{
unsigned long flags;
@ -234,7 +228,8 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
chan_tab_t *ctp;
au1x_dma_chan_t *cp;
/* We do the intialization on the first channel allocation.
/*
* We do the intialization on the first channel allocation.
* We have to wait because of the interrupt handler initialization
* which can't be done successfully during board set up.
*/
@ -242,16 +237,17 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
au1xxx_dbdma_init();
dbdma_initialized = 1;
if ((stp = find_dbdev_id(srcid)) == NULL)
stp = find_dbdev_id(srcid);
if (stp == NULL)
return 0;
if ((dtp = find_dbdev_id(destid)) == NULL)
dtp = find_dbdev_id(destid);
if (dtp == NULL)
return 0;
used = 0;
rv = 0;
/* Check to see if we can get both channels.
*/
/* Check to see if we can get both channels. */
spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags);
if (!(stp->dev_flags & DEV_FLAGS_INUSE) ||
(stp->dev_flags & DEV_FLAGS_ANYUSE)) {
@ -261,35 +257,30 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
(dtp->dev_flags & DEV_FLAGS_ANYUSE)) {
/* Got destination */
dtp->dev_flags |= DEV_FLAGS_INUSE;
}
else {
/* Can't get dest. Release src.
*/
} else {
/* Can't get dest. Release src. */
stp->dev_flags &= ~DEV_FLAGS_INUSE;
used++;
}
}
else {
} else
used++;
}
spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags);
if (!used) {
/* Let's see if we can allocate a channel for it.
*/
/* Let's see if we can allocate a channel for it. */
ctp = NULL;
chan = 0;
spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags);
for (i=0; i<NUM_DBDMA_CHANS; i++) {
for (i = 0; i < NUM_DBDMA_CHANS; i++)
if (chan_tab_ptr[i] == NULL) {
/* If kmalloc fails, it is caught below same
/*
* If kmalloc fails, it is caught below same
* as a channel not available.
*/
ctp = kmalloc(sizeof(chan_tab_t), GFP_ATOMIC);
chan_tab_ptr[i] = ctp;
break;
}
}
spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags);
if (ctp != NULL) {
@ -304,8 +295,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
ctp->chan_callback = callback;
ctp->chan_callparam = callparam;
/* Initialize channel configuration.
*/
/* Initialize channel configuration. */
i = 0;
if (stp->dev_intlevel)
i |= DDMA_CFG_SED;
@ -326,8 +316,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
* operations.
*/
rv = (u32)(&chan_tab_ptr[chan]);
}
else {
} else {
/* Release devices */
stp->dev_flags &= ~DEV_FLAGS_INUSE;
dtp->dev_flags &= ~DEV_FLAGS_INUSE;
@ -337,11 +326,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
}
EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc);
/* Set the device width if source or destination is a FIFO.
/*
* Set the device width if source or destination is a FIFO.
* Should be 8, 16, or 32 bits.
*/
u32
au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
{
u32 rv;
chan_tab_t *ctp;
@ -365,10 +354,8 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
}
EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth);
/* Allocate a descriptor ring, initializing as much as possible.
*/
u32
au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
/* Allocate a descriptor ring, initializing as much as possible. */
u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
{
int i;
u32 desc_base, srcid, destid;
@ -378,14 +365,16 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
dbdev_tab_t *stp, *dtp;
au1x_ddma_desc_t *dp;
/* I guess we could check this to be within the
/*
* I guess we could check this to be within the
* range of the table......
*/
ctp = *((chan_tab_t **)chanid);
stp = ctp->chan_src;
dtp = ctp->chan_dest;
/* The descriptors must be 32-byte aligned. There is a
/*
* The descriptors must be 32-byte aligned. There is a
* possibility the allocation will give us such an address,
* and if we try that first we are likely to not waste larger
* slabs of memory.
@ -396,25 +385,25 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
return 0;
if (desc_base & 0x1f) {
/* Lost....do it again, allocate extra, and round
/*
* Lost....do it again, allocate extra, and round
* the address base.
*/
kfree((const void *)desc_base);
i = entries * sizeof(au1x_ddma_desc_t);
i += (sizeof(au1x_ddma_desc_t) - 1);
if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0)
desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA);
if (desc_base == 0)
return 0;
desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t));
}
dp = (au1x_ddma_desc_t *)desc_base;
/* Keep track of the base descriptor.
*/
/* Keep track of the base descriptor. */
ctp->chan_desc_base = dp;
/* Initialize the rings with as much information as we know.
*/
/* Initialize the rings with as much information as we know. */
srcid = stp->dev_id;
destid = dtp->dev_id;
@ -426,11 +415,12 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
cmd0 |= DSCR_CMD0_IE | DSCR_CMD0_CV;
cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_NOCHANGE);
/* is it mem to mem transfer? */
if(((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) &&
((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) {
/* Is it mem to mem transfer? */
if (((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) ||
(DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) &&
((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) ||
(DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS)))
cmd0 |= DSCR_CMD0_MEM;
}
switch (stp->dev_devwidth) {
case 8:
@ -458,15 +448,17 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
break;
}
/* If the device is marked as an in/out FIFO, ensure it is
/*
* If the device is marked as an in/out FIFO, ensure it is
* set non-coherent.
*/
if (stp->dev_flags & DEV_FLAGS_IN)
cmd0 |= DSCR_CMD0_SN; /* Source in fifo */
cmd0 |= DSCR_CMD0_SN; /* Source in FIFO */
if (dtp->dev_flags & DEV_FLAGS_OUT)
cmd0 |= DSCR_CMD0_DN; /* Destination out fifo */
cmd0 |= DSCR_CMD0_DN; /* Destination out FIFO */
/* Set up source1. For now, assume no stride and increment.
/*
* Set up source1. For now, assume no stride and increment.
* A channel attribute update can change this later.
*/
switch (stp->dev_tsize) {
@ -485,19 +477,19 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
break;
}
/* If source input is fifo, set static address.
*/
/* If source input is FIFO, set static address. */
if (stp->dev_flags & DEV_FLAGS_IN) {
if ( stp->dev_flags & DEV_FLAGS_BURSTABLE )
if (stp->dev_flags & DEV_FLAGS_BURSTABLE)
src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST);
else
src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC);
}
if (stp->dev_physaddr)
src0 = stp->dev_physaddr;
/* Set up dest1. For now, assume no stride and increment.
/*
* Set up dest1. For now, assume no stride and increment.
* A channel attribute update can change this later.
*/
switch (dtp->dev_tsize) {
@ -516,22 +508,24 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
break;
}
/* If destination output is fifo, set static address.
*/
/* If destination output is FIFO, set static address. */
if (dtp->dev_flags & DEV_FLAGS_OUT) {
if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE )
if (dtp->dev_flags & DEV_FLAGS_BURSTABLE)
dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST);
else
dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC);
}
if (dtp->dev_physaddr)
dest0 = dtp->dev_physaddr;
#if 0
printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 );
printk(KERN_DEBUG "did:%x sid:%x cmd0:%x cmd1:%x source0:%x "
"source1:%x dest0:%x dest1:%x\n",
dtp->dev_id, stp->dev_id, cmd0, cmd1, src0,
src1, dest0, dest1);
#endif
for (i=0; i<entries; i++) {
for (i = 0; i < entries; i++) {
dp->dscr_cmd0 = cmd0;
dp->dscr_cmd1 = cmd1;
dp->dscr_source0 = src0;
@ -545,46 +539,46 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
dp++;
}
/* Make last descrptor point to the first.
*/
/* Make last descrptor point to the first. */
dp--;
dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(ctp->chan_desc_base));
ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base;
return (u32)(ctp->chan_desc_base);
return (u32)ctp->chan_desc_base;
}
EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc);
/* Put a source buffer into the DMA ring.
/*
* Put a source buffer into the DMA ring.
* This updates the source pointer and byte count. Normally used
* for memory to fifo transfers.
*/
u32
_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
/* I guess we could check this to be within the
/*
* I guess we could check this to be within the
* range of the table......
*/
ctp = *((chan_tab_t **)chanid);
ctp = *(chan_tab_t **)chanid;
/* We should have multiple callers for a particular channel,
/*
* We should have multiple callers for a particular channel,
* an interrupt doesn't affect this pointer nor the descriptor,
* so no locking should be needed.
*/
dp = ctp->put_ptr;
/* If the descriptor is valid, we are way ahead of the DMA
/*
* If the descriptor is valid, we are way ahead of the DMA
* engine, so just return an error condition.
*/
if (dp->dscr_cmd0 & DSCR_CMD0_V) {
if (dp->dscr_cmd0 & DSCR_CMD0_V)
return 0;
}
/* Load up buffer address and byte count.
*/
/* Load up buffer address and byte count. */
dp->dscr_source0 = virt_to_phys(buf);
dp->dscr_cmd1 = nbytes;
/* Check flags */
@ -595,23 +589,21 @@ _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
/*
* There is an errata on the Au1200/Au1550 parts that could result
* in "stale" data being DMA'd. It has to do with the snoop logic on
* the dache eviction buffer. NONCOHERENT_IO is on by default for
* these parts. If it is fixedin the future, these dma_cache_inv will
* in "stale" data being DMA'ed. It has to do with the snoop logic on
* the cache eviction buffer. DMA_NONCOHERENT is on by default for
* these parts. If it is fixed in the future, these dma_cache_inv will
* just be nothing more than empty macros. See io.h.
* */
*/
dma_cache_wback_inv((unsigned long)buf, nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
au_sync();
dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
ctp->chan_ptr->ddma_dbell = 0;
/* Get next descriptor pointer.
*/
/* Get next descriptor pointer. */
ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/* return something not zero.
*/
/* Return something non-zero. */
return nbytes;
}
EXPORT_SYMBOL(_au1xxx_dbdma_put_source);
@ -654,81 +646,77 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
dp->dscr_dest0 = virt_to_phys(buf);
dp->dscr_cmd1 = nbytes;
#if 0
printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
printk(KERN_DEBUG "cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0,
dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 );
dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
#endif
/*
* There is an errata on the Au1200/Au1550 parts that could result in
* "stale" data being DMA'd. It has to do with the snoop logic on the
* dache eviction buffer. NONCOHERENT_IO is on by default for these
* parts. If it is fixedin the future, these dma_cache_inv will just
* "stale" data being DMA'ed. It has to do with the snoop logic on the
* cache eviction buffer. DMA_NONCOHERENT is on by default for these
* parts. If it is fixed in the future, these dma_cache_inv will just
* be nothing more than empty macros. See io.h.
* */
*/
dma_cache_inv((unsigned long)buf, nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
au_sync();
dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
ctp->chan_ptr->ddma_dbell = 0;
/* Get next descriptor pointer.
*/
/* Get next descriptor pointer. */
ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/* return something not zero.
*/
/* Return something non-zero. */
return nbytes;
}
EXPORT_SYMBOL(_au1xxx_dbdma_put_dest);
/* Get a destination buffer into the DMA ring.
/*
* Get a destination buffer into the DMA ring.
* Normally used to get a full buffer from the ring during fifo
* to memory transfers. This does not set the valid bit, you will
* have to put another destination buffer to keep the DMA going.
*/
u32
au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes)
u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
u32 rv;
/* I guess we could check this to be within the
/*
* I guess we could check this to be within the
* range of the table......
*/
ctp = *((chan_tab_t **)chanid);
/* We should have multiple callers for a particular channel,
/*
* We should have multiple callers for a particular channel,
* an interrupt doesn't affect this pointer nor the descriptor,
* so no locking should be needed.
*/
dp = ctp->get_ptr;
/* If the descriptor is valid, we are way ahead of the DMA
/*
* If the descriptor is valid, we are way ahead of the DMA
* engine, so just return an error condition.
*/
if (dp->dscr_cmd0 & DSCR_CMD0_V)
return 0;
/* Return buffer address and byte count.
*/
/* Return buffer address and byte count. */
*buf = (void *)(phys_to_virt(dp->dscr_dest0));
*nbytes = dp->dscr_cmd1;
rv = dp->dscr_stat;
/* Get next descriptor pointer.
*/
/* Get next descriptor pointer. */
ctp->get_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/* return something not zero.
*/
/* Return something non-zero. */
return rv;
}
EXPORT_SYMBOL_GPL(au1xxx_dbdma_get_dest);
void
au1xxx_dbdma_stop(u32 chanid)
void au1xxx_dbdma_stop(u32 chanid)
{
chan_tab_t *ctp;
au1x_dma_chan_t *cp;
@ -743,7 +731,7 @@ au1xxx_dbdma_stop(u32 chanid)
udelay(1);
halt_timeout++;
if (halt_timeout > 100) {
printk("warning: DMA channel won't halt\n");
printk(KERN_WARNING "warning: DMA channel won't halt\n");
break;
}
}
@ -753,12 +741,12 @@ au1xxx_dbdma_stop(u32 chanid)
}
EXPORT_SYMBOL(au1xxx_dbdma_stop);
/* Start using the current descriptor pointer. If the dbdma encounters
* a not valid descriptor, it will stop. In this case, we can just
/*
* Start using the current descriptor pointer. If the DBDMA encounters
* a non-valid descriptor, it will stop. In this case, we can just
* continue by adding a buffer to the list and starting again.
*/
void
au1xxx_dbdma_start(u32 chanid)
void au1xxx_dbdma_start(u32 chanid)
{
chan_tab_t *ctp;
au1x_dma_chan_t *cp;
@ -773,8 +761,7 @@ au1xxx_dbdma_start(u32 chanid)
}
EXPORT_SYMBOL(au1xxx_dbdma_start);
void
au1xxx_dbdma_reset(u32 chanid)
void au1xxx_dbdma_reset(u32 chanid)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
@ -784,14 +771,14 @@ au1xxx_dbdma_reset(u32 chanid)
ctp = *((chan_tab_t **)chanid);
ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base;
/* Run through the descriptors and reset the valid indicator.
*/
/* Run through the descriptors and reset the valid indicator. */
dp = ctp->chan_desc_base;
do {
dp->dscr_cmd0 &= ~DSCR_CMD0_V;
/* reset our SW status -- this is used to determine
* if a descriptor is in use by upper level SW. Since
/*
* Reset our software status -- this is used to determine
* if a descriptor is in use by upper level software. Since
* posting can reset 'V' bit.
*/
dp->sw_status = 0;
@ -800,8 +787,7 @@ au1xxx_dbdma_reset(u32 chanid)
}
EXPORT_SYMBOL(au1xxx_dbdma_reset);
u32
au1xxx_get_dma_residue(u32 chanid)
u32 au1xxx_get_dma_residue(u32 chanid)
{
chan_tab_t *ctp;
au1x_dma_chan_t *cp;
@ -810,18 +796,15 @@ au1xxx_get_dma_residue(u32 chanid)
ctp = *((chan_tab_t **)chanid);
cp = ctp->chan_ptr;
/* This is only valid if the channel is stopped.
*/
/* This is only valid if the channel is stopped. */
rv = cp->ddma_bytecnt;
au_sync();
return rv;
}
EXPORT_SYMBOL_GPL(au1xxx_get_dma_residue);
void
au1xxx_dbdma_chan_free(u32 chanid)
void au1xxx_dbdma_chan_free(u32 chanid)
{
chan_tab_t *ctp;
dbdev_tab_t *stp, *dtp;
@ -842,8 +825,7 @@ au1xxx_dbdma_chan_free(u32 chanid)
}
EXPORT_SYMBOL(au1xxx_dbdma_chan_free);
static irqreturn_t
dbdma_interrupt(int irq, void *dev_id)
static irqreturn_t dbdma_interrupt(int irq, void *dev_id)
{
u32 intstat;
u32 chan_index;
@ -859,13 +841,12 @@ dbdma_interrupt(int irq, void *dev_id)
cp = ctp->chan_ptr;
dp = ctp->cur_ptr;
/* Reset interrupt.
*/
/* Reset interrupt. */
cp->ddma_irq = 0;
au_sync();
if (ctp->chan_callback)
(ctp->chan_callback)(irq, ctp->chan_callparam);
ctp->chan_callback(irq, ctp->chan_callparam);
ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
return IRQ_RETVAL(1);
@ -890,11 +871,10 @@ static void au1xxx_dbdma_init(void)
if (request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED,
"Au1xxx dbdma", (void *)dbdma_gptr))
printk("Can't get 1550 dbdma irq");
printk(KERN_ERR "Can't get 1550 dbdma irq");
}
void
au1xxx_dbdma_dump(u32 chanid)
void au1xxx_dbdma_dump(u32 chanid)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
@ -907,29 +887,30 @@ au1xxx_dbdma_dump(u32 chanid)
dtp = ctp->chan_dest;
cp = ctp->chan_ptr;
printk("Chan %x, stp %x (dev %d) dtp %x (dev %d) \n",
(u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, dtp - dbdev_tab);
printk("desc base %x, get %x, put %x, cur %x\n",
printk(KERN_DEBUG "Chan %x, stp %x (dev %d) dtp %x (dev %d) \n",
(u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp,
dtp - dbdev_tab);
printk(KERN_DEBUG "desc base %x, get %x, put %x, cur %x\n",
(u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr),
(u32)(ctp->put_ptr), (u32)(ctp->cur_ptr));
printk("dbdma chan %x\n", (u32)cp);
printk("cfg %08x, desptr %08x, statptr %08x\n",
printk(KERN_DEBUG "dbdma chan %x\n", (u32)cp);
printk(KERN_DEBUG "cfg %08x, desptr %08x, statptr %08x\n",
cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr);
printk("dbell %08x, irq %08x, stat %08x, bytecnt %08x\n",
cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, cp->ddma_bytecnt);
printk(KERN_DEBUG "dbell %08x, irq %08x, stat %08x, bytecnt %08x\n",
cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat,
cp->ddma_bytecnt);
/* Run through the descriptors
*/
/* Run through the descriptors */
dp = ctp->chan_desc_base;
do {
printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
printk(KERN_DEBUG "Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
printk("stat %08x, nxtptr %08x\n",
printk(KERN_DEBUG "src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
dp->dscr_source0, dp->dscr_source1,
dp->dscr_dest0, dp->dscr_dest1);
printk(KERN_DEBUG "stat %08x, nxtptr %08x\n",
dp->dscr_stat, dp->dscr_nxtptr);
dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
} while (dp != ctp->chan_desc_base);
@ -938,32 +919,33 @@ au1xxx_dbdma_dump(u32 chanid)
/* Put a descriptor into the DMA ring.
* This updates the source/destination pointers and byte count.
*/
u32
au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
u32 nbytes=0;
u32 nbytes = 0;
/* I guess we could check this to be within the
/*
* I guess we could check this to be within the
* range of the table......
*/
ctp = *((chan_tab_t **)chanid);
/* We should have multiple callers for a particular channel,
/*
* We should have multiple callers for a particular channel,
* an interrupt doesn't affect this pointer nor the descriptor,
* so no locking should be needed.
*/
dp = ctp->put_ptr;
/* If the descriptor is valid, we are way ahead of the DMA
/*
* If the descriptor is valid, we are way ahead of the DMA
* engine, so just return an error condition.
*/
if (dp->dscr_cmd0 & DSCR_CMD0_V)
return 0;
/* Load up buffer addresses and byte count.
*/
/* Load up buffer addresses and byte count. */
dp->dscr_dest0 = dscr->dscr_dest0;
dp->dscr_source0 = dscr->dscr_source0;
dp->dscr_dest1 = dscr->dscr_dest1;
@ -975,14 +957,11 @@ au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V;
ctp->chan_ptr->ddma_dbell = 0;
/* Get next descriptor pointer.
*/
/* Get next descriptor pointer. */
ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/* return something not zero.
*/
/* Return something non-zero. */
return nbytes;
}
#endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */

30
arch/mips/au1000/common/dbg_io.c
View File

@ -1,3 +1,4 @@
#include <linux/types.h>
#include <asm/mach-au1x00/au1000.h>
@ -8,12 +9,6 @@
* uart to be used for debugging.
*/
#define DEBUG_BASE UART_DEBUG_BASE
/**/
/* we need uint32 uint8 */
/* #include "types.h" */
typedef unsigned char uint8;
typedef unsigned int uint32;
#define UART16550_BAUD_2400 2400
#define UART16550_BAUD_4800 4800
@ -52,16 +47,14 @@ typedef unsigned int uint32;
/* memory-mapped read/write of the port */
#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff)
#define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y))
#define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y))
extern unsigned long calc_clock(void);
void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
void debugInit(u32 baud, u8 data, u8 parity, u8 stop)
{
if (UART16550_READ(UART_MOD_CNTRL) != 0x3) {
if (UART16550_READ(UART_MOD_CNTRL) != 0x3)
UART16550_WRITE(UART_MOD_CNTRL, 3);
}
calc_clock();
/* disable interrupts */
@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
/* set up baud rate */
{
uint32 divisor;
u32 divisor;
/* set divisor */
divisor = get_au1x00_uart_baud_base() / baud;
@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
UART16550_WRITE(UART_LCR, (data | parity | stop));
}
static int remoteDebugInitialized = 0;
static int remoteDebugInitialized;
uint8 getDebugChar(void)
u8 getDebugChar(void)
{
if (!remoteDebugInitialized) {
remoteDebugInitialized = 1;
@ -92,15 +85,13 @@ uint8 getDebugChar(void)
UART16550_STOP_1BIT);
}
while((UART16550_READ(UART_LSR) & 0x1) == 0);
while ((UART16550_READ(UART_LSR) & 0x1) == 0);
return UART16550_READ(UART_RX);
}
int putDebugChar(uint8 byte)
int putDebugChar(u8 byte)
{
// int i;
if (!remoteDebugInitialized) {
remoteDebugInitialized = 1;
debugInit(UART16550_BAUD_115200,
@ -109,9 +100,8 @@ int putDebugChar(uint8 byte)
UART16550_STOP_1BIT);
}
while ((UART16550_READ(UART_LSR)&0x40) == 0);
while ((UART16550_READ(UART_LSR) & 0x40) == 0);
UART16550_WRITE(UART_TX, byte);
//for (i=0;i<0xfff;i++);
return 1;
}

54
arch/mips/au1000/common/dma.c
View File

@ -1,12 +1,11 @@
/*
*
* BRIEF MODULE DESCRIPTION
* A DMA channel allocator for Au1000. API is modeled loosely off of
* A DMA channel allocator for Au1x00. API is modeled loosely off of
* linux/kernel/dma.c.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
*
* This program is free software; you can redistribute it and/or modify it
@ -39,7 +38,8 @@
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1000_dma.h>
#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1100)
#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \
defined(CONFIG_SOC_AU1100)
/*
* A note on resource allocation:
*
@ -56,7 +56,6 @@
* returned from request_dma.
*/
DEFINE_SPINLOCK(au1000_dma_spin_lock);
struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
@ -71,7 +70,7 @@ struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
};
EXPORT_SYMBOL(au1000_dma_table);
// Device FIFO addresses and default DMA modes
/* Device FIFO addresses and default DMA modes */
static const struct dma_dev {
unsigned int fifo_addr;
unsigned int dma_mode;
@ -80,8 +79,8 @@ static const struct dma_dev {
{UART0_ADDR + UART_RX, 0},
{0, 0},
{0, 0},
{AC97C_DATA, DMA_DW16 }, // coherent
{AC97C_DATA, DMA_DR | DMA_DW16 }, // coherent
{AC97C_DATA, DMA_DW16 }, /* coherent */
{AC97C_DATA, DMA_DR | DMA_DW16 }, /* coherent */
{UART3_ADDR + UART_TX, DMA_DW8 | DMA_NC},
{UART3_ADDR + UART_RX, DMA_DR | DMA_DW8 | DMA_NC},
{USBD_EP0RD, DMA_DR | DMA_DW8 | DMA_NC},
@ -101,11 +100,11 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
struct dma_chan *chan;
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
if ((chan = get_dma_chan(i)) != NULL) {
chan = get_dma_chan(i);
if (chan != NULL)
len += sprintf(buf + len, "%2d: %s\n",
i, chan->dev_str);
}
}
if (fpos >= len) {
*start = buf;
@ -113,18 +112,19 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
return 0;
}
*start = buf + fpos;
if ((len -= fpos) > length)
len -= fpos;
if (len > length)
return length;
*eof = 1;
return len;
}
// Device FIFO addresses and default DMA modes - 2nd bank
/* Device FIFO addresses and default DMA modes - 2nd bank */
static const struct dma_dev dma_dev_table_bank2[DMA_NUM_DEV_BANK2] = {
{SD0_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent
{SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8}, // coherent
{SD1_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent
{SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8} // coherent
{ SD0_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */
{ SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 }, /* coherent */
{ SD1_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */
{ SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 } /* coherent */
};
void dump_au1000_dma_channel(unsigned int dmanr)
@ -150,7 +150,6 @@ void dump_au1000_dma_channel(unsigned int dmanr)
au_readl(chan->io + DMA_BUFFER1_COUNT));
}
/*
* Finds a free channel, and binds the requested device to it.
* Returns the allocated channel number, or negative on error.
@ -173,10 +172,10 @@ int request_au1000_dma(int dev_id, const char *dev_str,
return -EINVAL;
#endif
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
if (au1000_dma_table[i].dev_id < 0)
break;
}
if (i == NUM_AU1000_DMA_CHANNELS)
return -ENODEV;
@ -185,15 +184,15 @@ int request_au1000_dma(int dev_id, const char *dev_str,
if (dev_id >= DMA_NUM_DEV) {
dev_id -= DMA_NUM_DEV;
dev = &dma_dev_table_bank2[dev_id];
} else {
} else
dev = &dma_dev_table[dev_id];
}
if (irqhandler) {
chan->irq = AU1000_DMA_INT_BASE + i;
chan->irq_dev = irq_dev_id;
if ((ret = request_irq(chan->irq, irqhandler, irqflags,
dev_str, chan->irq_dev))) {
ret = request_irq(chan->irq, irqhandler, irqflags, dev_str,
chan->irq_dev);
if (ret) {
chan->irq = 0;
chan->irq_dev = NULL;
return ret;
@ -203,7 +202,7 @@ int request_au1000_dma(int dev_id, const char *dev_str,
chan->irq_dev = NULL;
}
// fill it in
/* fill it in */
chan->io = DMA_CHANNEL_BASE + i * DMA_CHANNEL_LEN;
chan->dev_id = dev_id;
chan->dev_str = dev_str;
@ -220,8 +219,9 @@ EXPORT_SYMBOL(request_au1000_dma);
void free_au1000_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan) {
printk("Trying to free DMA%d\n", dmanr);
printk(KERN_ERR "Error trying to free DMA%d\n", dmanr);
return;
}
@ -235,4 +235,4 @@ void free_au1000_dma(unsigned int dmanr)
}
EXPORT_SYMBOL(free_au1000_dma);
#endif // AU1000 AU1500 AU1100
#endif /* AU1000 AU1500 AU1100 */

6
arch/mips/au1000/common/gpio.c
View File

@ -69,7 +69,7 @@ static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
static int au1xxx_gpio1_read(unsigned gpio)
{
return ((gpio1->pinstaterd >> gpio) & 0x01);
return (gpio1->pinstaterd >> gpio) & 0x01;
}
static void au1xxx_gpio1_write(unsigned gpio, int value)
@ -104,7 +104,6 @@ int au1xxx_gpio_get_value(unsigned gpio)
else
return au1xxx_gpio1_read(gpio);
}
EXPORT_SYMBOL(au1xxx_gpio_get_value);
void au1xxx_gpio_set_value(unsigned gpio, int value)
@ -118,7 +117,6 @@ void au1xxx_gpio_set_value(unsigned gpio, int value)
else
au1xxx_gpio1_write(gpio, value);
}
EXPORT_SYMBOL(au1xxx_gpio_set_value);
int au1xxx_gpio_direction_input(unsigned gpio)
@ -132,7 +130,6 @@ int au1xxx_gpio_direction_input(unsigned gpio)
return au1xxx_gpio1_direction_input(gpio);
}
EXPORT_SYMBOL(au1xxx_gpio_direction_input);
int au1xxx_gpio_direction_output(unsigned gpio, int value)
@ -146,5 +143,4 @@ int au1xxx_gpio_direction_output(unsigned gpio, int value)
return au1xxx_gpio1_direction_output(gpio, value);
}
EXPORT_SYMBOL(au1xxx_gpio_direction_output);

6
arch/mips/au1000/common/irq.c
View File

@ -210,10 +210,8 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr)
au_sync();
}
static inline void mask_and_ack_level_irq(unsigned int irq_nr)
{
local_disable_irq(irq_nr);
au_sync();
#if defined(CONFIG_MIPS_PB1000)
@ -263,14 +261,14 @@ void restore_local_and_enable(int controller, unsigned long mask)
unsigned long flags, new_mask;
spin_lock_irqsave(&irq_lock, flags);
for (i = 0; i < 32; i++) {
for (i = 0; i < 32; i++)
if (mask & (1 << i)) {
if (controller)
local_enable_irq(i + 32);
else
local_enable_irq(i);
}
}
if (controller)
new_mask = au_readl(IC1_MASKSET);
else

7
arch/mips/au1000/common/pci.c
View File

@ -2,9 +2,8 @@
* BRIEF MODULE DESCRIPTION
* Alchemy/AMD Au1x00 PCI support.
*
* Copyright 2001-2003, 2007 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
*
@ -88,7 +87,7 @@ static int __init au1x_pci_setup(void)
if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
Au1500_PCI_CFG);
printk("Non-coherent PCI accesses enabled\n");
printk(KERN_INFO "Non-coherent PCI accesses enabled\n");
}
}
#endif

11
arch/mips/au1000/common/platform.c
View File

@ -269,8 +269,8 @@ static struct platform_device au1x00_pcmcia_device = {
#ifdef SMBUS_PSC_BASE
static struct resource pbdb_smbus_resources[] = {
{
.start = SMBUS_PSC_BASE,
.end = SMBUS_PSC_BASE + 0x24 - 1,
.start = CPHYSADDR(SMBUS_PSC_BASE),
.end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
.flags = IORESOURCE_MEM,
},
};
@ -302,16 +302,17 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
#endif
};
int __init au1xxx_platform_init(void)
static int __init au1xxx_platform_init(void)
{
unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
int i;
/* Fill up uartclk. */
for (i = 0; au1x00_uart_data[i].flags ; i++)
for (i = 0; au1x00_uart_data[i].flags; i++)
au1x00_uart_data[i].uartclk = uartclk;
return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
return platform_add_devices(au1xxx_platform_devices,
ARRAY_SIZE(au1xxx_platform_devices));
}
arch_initcall(au1xxx_platform_init);

141
arch/mips/au1000/common/power.c
View File

@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
* Au1000 Power Management routines.
* Au1xx0 Power Management routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* Some of the routines are right out of init/main.c, whose
* copyrights apply here.
@ -44,9 +43,9 @@
#define DEBUG 1
#ifdef DEBUG
# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args)
#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__, ## args)
#else
# define DPRINTK(fmt, args...)
#define DPRINTK(fmt, args...)
#endif
static void au1000_calibrate_delay(void);
@ -57,7 +56,8 @@ extern void local_enable_irq(unsigned int irq_nr);
static DEFINE_SPINLOCK(pm_lock);
/* We need to save/restore a bunch of core registers that are
/*
* We need to save/restore a bunch of core registers that are
* either volatile or reset to some state across a processor sleep.
* If reading a register doesn't provide a proper result for a
* later restore, we have to provide a function for loading that
@ -78,7 +78,8 @@ static unsigned int sleep_usbhost_enable;
static unsigned int sleep_usbdev_enable;
static unsigned int sleep_static_memctlr[4][3];
/* Define this to cause the value you write to /proc/sys/pm/sleep to
/*
* Define this to cause the value you write to /proc/sys/pm/sleep to
* set the TOY timer for the amount of time you want to sleep.
* This is done mainly for testing, but may be useful in other cases.
* The value is number of 32KHz ticks to sleep.
@ -89,13 +90,13 @@ static int sleep_ticks;
void wakeup_counter0_set(int ticks);
#endif
static void
save_core_regs(void)
static void save_core_regs(void)
{
extern void save_au1xxx_intctl(void);
extern void pm_eth0_shutdown(void);
/* Do the serial ports.....these really should be a pm_*
/*
* Do the serial ports.....these really should be a pm_*
* registered function by the driver......but of course the
* standard serial driver doesn't understand our Au1xxx
* unique registers.
@ -106,27 +107,24 @@ save_core_regs(void)
sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
/* Shutdown USB host/device.
*/
/* Shutdown USB host/device. */
sleep_usbhost_enable = au_readl(USB_HOST_CONFIG);
/* There appears to be some undocumented reset register....
*/
/* There appears to be some undocumented reset register.... */
au_writel(0, 0xb0100004); au_sync();
au_writel(0, USB_HOST_CONFIG); au_sync();
sleep_usbdev_enable = au_readl(USBD_ENABLE);
au_writel(0, USBD_ENABLE); au_sync();
/* Save interrupt controller state.
*/
/* Save interrupt controller state. */
save_au1xxx_intctl();
/* Clocks and PLLs.
*/
/* Clocks and PLLs. */
sleep_aux_pll_cntrl = au_readl(SYS_AUXPLL);
/* We don't really need to do this one, but unless we
/*
* We don't really need to do this one, but unless we
* write it again it won't have a valid value if we
* happen to read it.
*/
@ -134,8 +132,7 @@ save_core_regs(void)
sleep_pin_function = au_readl(SYS_PINFUNC);
/* Save the static memory controller configuration.
*/
/* Save the static memory controller configuration. */
sleep_static_memctlr[0][0] = au_readl(MEM_STCFG0);
sleep_static_memctlr[0][1] = au_readl(MEM_STTIME0);
sleep_static_memctlr[0][2] = au_readl(MEM_STADDR0);
@ -150,8 +147,7 @@ save_core_regs(void)
sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3);
}
static void
restore_core_regs(void)
static void restore_core_regs(void)
{
extern void restore_au1xxx_intctl(void);
extern void wakeup_counter0_adjust(void);
@ -160,8 +156,7 @@ restore_core_regs(void)
au_writel(sleep_cpu_pll_cntrl, SYS_CPUPLL); au_sync();
au_writel(sleep_pin_function, SYS_PINFUNC); au_sync();
/* Restore the static memory controller configuration.
*/
/* Restore the static memory controller configuration. */
au_writel(sleep_static_memctlr[0][0], MEM_STCFG0);
au_writel(sleep_static_memctlr[0][1], MEM_STTIME0);
au_writel(sleep_static_memctlr[0][2], MEM_STADDR0);
@ -175,7 +170,8 @@ restore_core_regs(void)
au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
/* Enable the UART if it was enabled before sleep.
/*
* Enable the UART if it was enabled before sleep.
* I guess I should define module control bits........
*/
if (sleep_uart0_enable & 0x02) {
@ -210,23 +206,22 @@ int au_sleep(void)
flush_cache_all();
/** The code below is all system dependent and we should probably
/**
** The code below is all system dependent and we should probably
** have a function call out of here to set this up. You need
** to configure the GPIO or timer interrupts that will bring
** you out of sleep.
** For testing, the TOY counter wakeup is useful.
**/
#if 0
au_writel(au_readl(SYS_PINSTATERD) & ~(1 << 11), SYS_PINSTATERD);
/* gpio 6 can cause a wake up event */
/* GPIO 6 can cause a wake up event */
wakeup = au_readl(SYS_WAKEMSK);
wakeup &= ~(1 << 8); /* turn off match20 wakeup */
wakeup |= 1 << 6; /* turn on gpio 6 wakeup */
wakeup |= 1 << 6; /* turn on GPIO 6 wakeup */
#else
/* For testing, allow match20 to wake us up.
*/
/* For testing, allow match20 to wake us up. */
#ifdef SLEEP_TEST_TIMEOUT
wakeup_counter0_set(sleep_ticks);
#endif
@ -240,7 +235,8 @@ int au_sleep(void)
save_and_sleep();
/* after a wakeup, the cpu vectors back to 0x1fc00000 so
/*
* After a wakeup, the cpu vectors back to 0x1fc00000, so
* it's up to the boot code to get us back here.
*/
restore_core_regs();
@ -248,24 +244,22 @@ int au_sleep(void)
return 0;
}
static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
void __user *buffer, size_t * len, loff_t *ppos)
static int pm_do_sleep(ctl_table *ctl, int write, struct file *file,
void __user *buffer, size_t *len, loff_t *ppos)
{
#ifdef SLEEP_TEST_TIMEOUT
#define TMPBUFLEN2 16
char buf[TMPBUFLEN2], *p;
#endif
if (!write) {
if (!write)
*len = 0;
} else {
else {
#ifdef SLEEP_TEST_TIMEOUT
if (*len > TMPBUFLEN2 - 1) {
if (*len > TMPBUFLEN2 - 1)
return -EFAULT;
}
if (copy_from_user(buf, buffer, *len)) {
if (copy_from_user(buf, buffer, *len))
return -EFAULT;
}
buf[*len] = 0;
p = buf;
sleep_ticks = simple_strtoul(p, &p, 0);
@ -276,8 +270,8 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
return 0;
}
static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
void __user *buffer, size_t * len, loff_t *ppos)
static int pm_do_freq(ctl_table *ctl, int write, struct file *file,
void __user *buffer, size_t *len, loff_t *ppos)
{
int retval = 0, i;
unsigned long val, pll;
@ -285,14 +279,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
#define MAX_CPU_FREQ 396
char buf[TMPBUFLEN], *p;
unsigned long flags, intc0_mask, intc1_mask;
unsigned long old_baud_base, old_cpu_freq, baud_rate, old_clk,
old_refresh;
unsigned long old_baud_base, old_cpu_freq, old_clk, old_refresh;
unsigned long new_baud_base, new_cpu_freq, new_clk, new_refresh;
unsigned long baud_rate;
spin_lock_irqsave(&pm_lock, flags);
if (!write) {
if (!write)
*len = 0;
} else {
else {
/* Parse the new frequency */
if (*len > TMPBUFLEN - 1) {
spin_unlock_irqrestore(&pm_lock, flags);
@ -312,7 +306,7 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
pll = val / 12;
if ((pll > 33) || (pll < 7)) { /* 396 MHz max, 84 MHz min */
/* revisit this for higher speed cpus */
/* Revisit this for higher speed CPUs */
spin_unlock_irqrestore(&pm_lock, flags);
return -EFAULT;
}
@ -321,30 +315,28 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
old_cpu_freq = get_au1x00_speed();
new_cpu_freq = pll * 12 * 1000000;
new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)
& 0x03) + 2) * 16));
set_au1x00_speed(new_cpu_freq);
set_au1x00_uart_baud_base(new_baud_base);
old_refresh = au_readl(MEM_SDREFCFG) & 0x1ffffff;
new_refresh =
((old_refresh * new_cpu_freq) /
old_cpu_freq) | (au_readl(MEM_SDREFCFG) & ~0x1ffffff);
new_refresh = ((old_refresh * new_cpu_freq) / old_cpu_freq) |
(au_readl(MEM_SDREFCFG) & ~0x1ffffff);
au_writel(pll, SYS_CPUPLL);
au_sync_delay(1);
au_writel(new_refresh, MEM_SDREFCFG);
au_sync_delay(1);
for (i = 0; i < 4; i++) {
if (au_readl
(UART_BASE + UART_MOD_CNTRL +
for (i = 0; i < 4; i++)
if (au_readl(UART_BASE + UART_MOD_CNTRL +
i * 0x00100000) == 3) {
old_clk =
au_readl(UART_BASE + UART_CLK +
old_clk = au_readl(UART_BASE + UART_CLK +
i * 0x00100000);
// baud_rate = baud_base/clk
baud_rate = old_baud_base / old_clk;
/* we won't get an exact baud rate and the error
/*
* We won't get an exact baud rate and the error
* could be significant enough that our new
* calculation will result in a clock that will
* give us a baud rate that's too far off from
@ -359,17 +351,13 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
else if (baud_rate > 17000)
baud_rate = 19200;
else
(baud_rate = 9600);
// new_clk = new_baud_base/baud_rate
baud_rate = 9600;
new_clk = new_baud_base / baud_rate;
au_writel(new_clk,
UART_BASE + UART_CLK +
au_writel(new_clk, UART_BASE + UART_CLK +
i * 0x00100000);
au_sync_delay(10);
}
}
}
/*
* We don't want _any_ interrupts other than match20. Otherwise our
@ -428,14 +416,15 @@ static int __init pm_init(void)
__initcall(pm_init);
/*
* This is right out of init/main.c
*/
/* This is the number of bits of precision for the loops_per_jiffy. Each
bit takes on average 1.5/HZ seconds. This (like the original) is a little
better than 1% */
/*
* This is the number of bits of precision for the loops_per_jiffy.
* Each bit takes on average 1.5/HZ seconds. This (like the original)
* is a little better than 1%.
*/
#define LPS_PREC 8
static void au1000_calibrate_delay(void)
@ -443,14 +432,14 @@ static void au1000_calibrate_delay(void)
unsigned long ticks, loopbit;
int lps_precision = LPS_PREC;
loops_per_jiffy = (1 << 12);
loops_per_jiffy = 1 << 12;
while (loops_per_jiffy <<= 1) {
/* wait for "start of" clock tick */
/* Wait for "start of" clock tick */
ticks = jiffies;
while (ticks == jiffies)
/* nothing */ ;
/* Go .. */
/* Go ... */
ticks = jiffies;
__delay(loops_per_jiffy);
ticks = jiffies - ticks;
@ -458,8 +447,10 @@ static void au1000_calibrate_delay(void)
break;
}
/* Do a binary approximation to get loops_per_jiffy set to equal one clock
(up to lps_precision bits) */
/*
* Do a binary approximation to get loops_per_jiffy set to be equal
* one clock (up to lps_precision bits)
*/
loops_per_jiffy >>= 1;
loopbit = loops_per_jiffy;
while (lps_precision-- && (loopbit >>= 1)) {

17
arch/mips/au1000/common/prom.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* PROM library initialisation code, supports YAMON and U-Boot.
*
* Copyright 2000, 2001, 2006 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000-2001, 2006, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This file was derived from Carsten Langgaard's
* arch/mips/mips-boards/xx files.
@ -57,7 +56,7 @@ void prom_init_cmdline(void)
actr = 1; /* Always ignore argv[0] */
cp = &(arcs_cmdline[0]);
while(actr < prom_argc) {
while (actr < prom_argc) {
strcpy(cp, prom_argv[actr]);
cp += strlen(prom_argv[actr]);
*cp++ = ' ';
@ -84,10 +83,8 @@ char *prom_getenv(char *envname)
if (yamon) {
if (strcmp(envname, *env++) == 0)
return *env;
} else {
if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
} else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
return *env + i + 1;
}
env++;
}
@ -110,13 +107,13 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
{
int i;
for(i = 0; i < 6; i++) {
for (i = 0; i < 6; i++) {
unsigned char num;
if((*str == '.') || (*str == ':'))
if ((*str == '.') || (*str == ':'))
str++;
num = str2hexnum(*str++) << 4;
num |= (str2hexnum(*str++));
num |= str2hexnum(*str++);
ea[i] = num;
}
}

15
arch/mips/au1000/common/puts.c
View File

@ -1,11 +1,10 @@
/*
*
* BRIEF MODULE DESCRIPTION
* Low level uart routines to directly access a 16550 uart.
* Low level UART routines to directly access Alchemy UART.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -40,12 +39,12 @@
static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE;
#ifdef SLOW_DOWN
static inline void slow_down(void)
{
int k;
for (k=0; k<10000; k++);
for (k = 0; k < 10000; k++);
}
#else
#define slow_down()
@ -61,9 +60,9 @@ prom_putchar(const unsigned char c)
ch = com1[SER_CMD];
slow_down();
i++;
if (i>TIMEOUT) {
if (i > TIMEOUT)
break;
}
} while (0 == (ch & TX_BUSY));
com1[SER_DATA] = c;
}

33
arch/mips/au1000/common/reset.c
View File

@ -1,11 +1,10 @@
/*
*
* BRIEF MODULE DESCRIPTION
* Au1000 reset routines.
* Au1xx0 reset routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2006, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -28,10 +27,11 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <asm/cacheflush.h>
#include <asm/mach-au1x00/au1000.h>
extern int au_sleep(void);
extern void (*flush_cache_all)(void);
void au1000_restart(char *command)
{
@ -40,8 +40,8 @@ void au1000_restart(char *command)
u32 prid = read_c0_prid();
printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n");
switch (prid & 0xFF000000)
{
switch (prid & 0xFF000000) {
case 0x00000000: /* Au1000 */
au_writel(0x02, 0xb0000010); /* ac97_enable */
au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */
@ -138,9 +138,6 @@ void au1000_restart(char *command)
au_writel(0x00, 0xb1900064); /* sys_auxpll */
au_writel(0x00, 0xb1900100); /* sys_pininputen */
break;
default:
break;
}
set_c0_status(ST0_BEV | ST0_ERL);
@ -158,25 +155,25 @@ void au1000_restart(char *command)
void au1000_halt(void)
{
#if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550)
/* power off system */
printk("\n** Powering off...\n");
au_writew(au_readw(0xAF00001C) | (3<<14), 0xAF00001C);
/* Power off system */
printk(KERN_NOTICE "\n** Powering off...\n");
au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C);
au_sync();
while(1); /* should not get here */
while (1); /* should not get here */
#else
printk(KERN_NOTICE "\n** You can safely turn off the power\n");
#ifdef CONFIG_MIPS_MIRAGE
au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
#endif
#ifdef CONFIG_MIPS_DB1200
au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C);
au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C);
#endif
#ifdef CONFIG_PM
au_sleep();
/* should not get here */
printk(KERN_ERR "Unable to put cpu in sleep mode\n");
while(1);
/* Should not get here */
printk(KERN_ERR "Unable to put CPU in sleep mode\n");
while (1);
#else
while (1)
__asm__(".set\tmips3\n\t"

52
arch/mips/au1000/common/setup.c
View File

@ -1,7 +1,6 @@
/*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2007-2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com
*
* Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc.
*
@ -48,7 +47,7 @@ void __init plat_mem_setup(void)
{
struct cpu_spec *sp;
char *argptr;
unsigned long prid, cpufreq, bclk = 1;
unsigned long prid, cpufreq, bclk;
set_cpuspec();
sp = cur_cpu_spec[0];
@ -66,42 +65,39 @@ void __init plat_mem_setup(void)
cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12;
printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq);
bclk = sp->cpu_bclk;
if (bclk)
{
if (sp->cpu_bclk) {
/* Enable BCLK switching */
bclk = au_readl(0xB190003C);
au_writel(bclk | 0x60, 0xB190003C);
printk("BCLK switching enabled!\n");
bclk = au_readl(SYS_POWERCTRL);
au_writel(bclk | 0x60, SYS_POWERCTRL);
printk(KERN_INFO "BCLK switching enabled!\n");
}
if (sp->cpu_od) {
/* Various early Au1000 Errata corrected by this */
set_c0_config(1<<19); /* Set Config[OD] */
}
else {
if (sp->cpu_od)
/* Various early Au1xx0 errata corrected by this */
set_c0_config(1 << 19); /* Set Config[OD] */
else
/* Clear to obtain best system bus performance */
clear_c0_config(1<<19); /* Clear Config[OD] */
}
clear_c0_config(1 << 19); /* Clear Config[OD] */
argptr = prom_getcmdline();
#ifdef CONFIG_SERIAL_8250_CONSOLE
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = strstr(argptr, "console=");
if (argptr == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,115200");
}
#endif
#ifdef CONFIG_FB_AU1100
if ((argptr = strstr(argptr, "video=")) == NULL) {
argptr = strstr(argptr, "video=");
if (argptr == NULL) {
argptr = prom_getcmdline();
/* default panel */
/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
}
#endif
#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
/* au1000 does not support vra, au1500 and au1100 do */
strcat(argptr, " au1000_audio=vra");
@ -129,7 +125,7 @@ void __init plat_mem_setup(void)
/* This routine should be valid for all Au1x based boards */
phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
{
/* Don't fixup 36 bit addresses */
/* Don't fixup 36-bit addresses */
if ((phys_addr >> 32) != 0)
return phys_addr;
@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
}
#endif
/* All Au1x SOCs have a pcmcia controller */
/* We setup our 32 bit pseudo addresses to be equal to the
* 36 bit addr >> 4, to make it easier to check the address
/*
* All Au1xx0 SOCs have a PCMCIA controller.
* We setup our 32-bit pseudo addresses to be equal to the
* 36-bit addr >> 4, to make it easier to check the address
* and fix it.
* The Au1x socket 0 phys attribute address is 0xF 4000 0000.
* The PCMCIA socket 0 physical attribute address is 0xF 4000 0000.
* The pseudo address we use is 0xF400 0000. Any address over
* 0xF400 0000 is a pcmcia pseudo address.
* 0xF400 0000 is a PCMCIA pseudo address.
*/
if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) {
if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF))
return (phys_t)(phys_addr << 4);
}
/* default nop */
return phys_addr;

76
arch/mips/au1000/common/time.c
View File

@ -25,11 +25,9 @@
*
* Setting up the clock on the MIPS boards.
*
* Update. Always configure the kernel with CONFIG_NEW_TIME_C. This
* will use the user interface gettimeofday() functions from the
* arch/mips/kernel/time.c, and we provide the clock interrupt processing
* and the timer offset compute functions. If CONFIG_PM is selected,
* we also ensure the 32KHz timer is available. -- Dan
* We provide the clock interrupt processing and the timer offset compute
* functions. If CONFIG_PM is selected, we also ensure the 32KHz timer is
* available. -- Dan
*/
#include <linux/types.h>
@ -47,8 +45,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */
#if HZ < 100 || HZ > 1000
#error "unsupported HZ value! Must be in [100,1000]"
#endif
#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
extern void startup_match20_interrupt(irq_handler_t handler);
#define MATCH20_INC (328 * 100 / HZ) /* magic number 328 is for HZ=100... */
static unsigned long last_pc0, last_match20;
#endif
@ -61,7 +58,7 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
{
unsigned long pc0;
int time_elapsed;
static int jiffie_drift = 0;
static int jiffie_drift;
if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) {
/* should never happen! */
@ -70,13 +67,11 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
}
pc0 = au_readl(SYS_TOYREAD);
if (pc0 < last_match20) {
if (pc0 < last_match20)
/* counter overflowed */
time_elapsed = (0xffffffff - last_match20) + pc0;
}
else {
else
time_elapsed = pc0 - last_match20;
}
while (time_elapsed > 0) {
do_timer(1);
@ -92,8 +87,9 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
au_sync();
/* our counter ticks at 10.009765625 ms/tick, we we're running
* almost 10uS too slow per tick.
/*
* Our counter ticks at 10.009765625 ms/tick, we we're running
* almost 10 uS too slow per tick.
*/
if (jiffie_drift >= 999) {
@ -117,20 +113,17 @@ struct irqaction counter0_action = {
/* When we wakeup from sleep, we have to "catch up" on all of the
* timer ticks we have missed.
*/
void
wakeup_counter0_adjust(void)
void wakeup_counter0_adjust(void)
{
unsigned long pc0;
int time_elapsed;
pc0 = au_readl(SYS_TOYREAD);
if (pc0 < last_match20) {
if (pc0 < last_match20)
/* counter overflowed */
time_elapsed = (0xffffffff - last_match20) + pc0;
}
else {
else
time_elapsed = pc0 - last_match20;
}
while (time_elapsed > 0) {
time_elapsed -= MATCH20_INC;
@ -143,10 +136,8 @@ wakeup_counter0_adjust(void)
}
/* This is just for debugging to set the timer for a sleep delay.
*/
void
wakeup_counter0_set(int ticks)
/* This is just for debugging to set the timer for a sleep delay. */
void wakeup_counter0_set(int ticks)
{
unsigned long pc0;
@ -157,21 +148,22 @@ wakeup_counter0_set(int ticks)
}
#endif
/* I haven't found anyone that doesn't use a 12 MHz source clock,
/*
* I haven't found anyone that doesn't use a 12 MHz source clock,
* but just in case.....
*/
#define AU1000_SRC_CLK 12000000
/*
* We read the real processor speed from the PLL. This is important
* because it is more accurate than computing it from the 32KHz
* because it is more accurate than computing it from the 32 KHz
* counter, if it exists. If we don't have an accurate processor
* speed, all of the peripherals that derive their clocks based on
* this advertised speed will introduce error and sometimes not work
* properly. This function is futher convoluted to still allow configurations
* to do that in case they have really, really old silicon with a
* write-only PLL register, that we need the 32KHz when power management
* "wait" is enabled, and we need to detect if the 32KHz isn't present
* write-only PLL register, that we need the 32 KHz when power management
* "wait" is enabled, and we need to detect if the 32 KHz isn't present
* but requested......got it? :-) -- Dan
*/
unsigned long calc_clock(void)
@ -182,8 +174,7 @@ unsigned long calc_clock(void)
spin_lock_irqsave(&time_lock, flags);
/* Power management cares if we don't have a 32KHz counter.
*/
/* Power management cares if we don't have a 32 KHz counter. */
no_au1xxx_32khz = 0;
counter = au_readl(SYS_COUNTER_CNTRL);
if (counter & SYS_CNTRL_E0) {
@ -193,7 +184,7 @@ unsigned long calc_clock(void)
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
/* RTC now ticks at 32.768/16 kHz */
au_writel(trim_divide-1, SYS_RTCTRIM);
au_writel(trim_divide - 1, SYS_RTCTRIM);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S);
@ -215,9 +206,11 @@ unsigned long calc_clock(void)
#endif
else
cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK;
/* On Alchemy CPU:counter ratio is 1:1 */
mips_hpt_frequency = cpu_speed;
// Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16)
set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
/* Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) */
set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)
& 0x03) + 2) * 16));
spin_unlock_irqrestore(&time_lock, flags);
return cpu_speed;
}
@ -228,10 +221,10 @@ void __init plat_time_init(void)
est_freq += 5000; /* round */
est_freq -= est_freq%10000;
printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
(est_freq%1000000)*100/1000000);
printk(KERN_INFO "CPU frequency %u.%02u MHz\n",
est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000);
set_au1x00_speed(est_freq);
set_au1x00_lcd_clock(); // program the LCD clock
set_au1x00_lcd_clock(); /* program the LCD clock */
#ifdef CONFIG_PM
/*
@ -243,30 +236,29 @@ void __init plat_time_init(void)
* counter 0 interrupt as a special irq and it doesn't show
* up under /proc/interrupts.
*
* Check to ensure we really have a 32KHz oscillator before
* Check to ensure we really have a 32 KHz oscillator before
* we do this.
*/
if (no_au1xxx_32khz)
printk("WARNING: no 32KHz clock found.\n");
printk(KERN_WARNING "WARNING: no 32KHz clock found.\n");
else {
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
au_writel(0, SYS_TOYWRITE);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
au_writel(au_readl(SYS_WAKEMSK) | (1<<8), SYS_WAKEMSK);
au_writel(au_readl(SYS_WAKEMSK) | (1 << 8), SYS_WAKEMSK);
au_writel(~0, SYS_WAKESRC);
au_sync();
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
/* setup match20 to interrupt once every HZ */
/* Setup match20 to interrupt once every HZ */
last_pc0 = last_match20 = au_readl(SYS_TOYREAD);
au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
au_sync();
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
setup_irq(AU1000_TOY_MATCH2_INT, &counter0_action);
/* We can use the real 'wait' instruction.
*/
/* We can use the real 'wait' instruction. */
allow_au1k_wait = 1;
}

8
arch/mips/au1000/db1x00/Makefile
View File

@ -1,8 +1,8 @@
#
# Copyright 2000 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor DBAu1xx0 boards.
#
# Makefile for the Alchemy Semiconductor Db1x00 board.
lib-y := init.o board_setup.o irqmap.o

59
arch/mips/au1000/db1x00/board_setup.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* Alchemy Db1x00 board setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -37,22 +36,21 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
/* Hit BCSR.SW_RESET[RESET] */
bcsr->swreset = 0x0000;
}
void __init board_setup(void)
{
u32 pin_func;
u32 pin_func = 0;
pin_func = 0;
/* not valid for 1550 */
#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
/* set IRFIRSEL instead of GPIO15 */
pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
/* Not valid for Au1550 */
#if defined(CONFIG_IRDA) && \
(defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
/* Set IRFIRSEL instead of GPIO15 */
pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
au_writel(pin_func, SYS_PINFUNC);
/* power off until the driver is in use */
/* Power off until the driver is in use */
bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
au_sync();
@ -60,26 +58,27 @@ void __init board_setup(void)
bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
#ifdef CONFIG_MIPS_MIRAGE
/* enable GPIO[31:0] inputs */
/* Enable GPIO[31:0] inputs */
au_writel(0, SYS_PININPUTEN);
/* GPIO[20] is output, tristate the other input primary GPIO's */
au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR);
/* GPIO[20] is output, tristate the other input primary GPIOs */
au_writel(~(1 << 20), SYS_TRIOUTCLR);
/* set GPIO[210:208] instead of SSI_0 */
pin_func = au_readl(SYS_PINFUNC) | (u32)(1);
/* Set GPIO[210:208] instead of SSI_0 */
pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
/* set GPIO[215:211] for LED's */
pin_func |= (u32)((5<<2));
/* Set GPIO[215:211] for LEDs */
pin_func |= 5 << 2;
/* set GPIO[214:213] for more LED's */
pin_func |= (u32)((5<<12));
/* Set GPIO[214:213] for more LEDs */
pin_func |= 5 << 12;
/* set GPIO[207:200] instead of PCMCIA/LCD */
pin_func |= (u32)((3<<17));
/* Set GPIO[207:200] instead of PCMCIA/LCD */
pin_func |= SYS_PF_LCD | SYS_PF_PC;
au_writel(pin_func, SYS_PINFUNC);
/* Enable speaker amplifier. This should
/*
* Enable speaker amplifier. This should
* be part of the audio driver.
*/
au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
@ -89,21 +88,21 @@ void __init board_setup(void)
au_sync();
#ifdef CONFIG_MIPS_DB1000
printk("AMD Alchemy Au1000/Db1000 Board\n");
printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1500
printk("AMD Alchemy Au1500/Db1500 Board\n");
printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1100
printk("AMD Alchemy Au1100/Db1100 Board\n");
printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
#endif
#ifdef CONFIG_MIPS_BOSPORUS
printk("AMD Alchemy Bosporus Board\n");
printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
#endif
#ifdef CONFIG_MIPS_MIRAGE
printk("AMD Alchemy Mirage Board\n");
printk(KERN_INFO "AMD Alchemy Mirage Board\n");
#endif
#ifdef CONFIG_MIPS_DB1550
printk("AMD Alchemy Au1550/Db1550 Board\n");
printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
#endif
}

11
arch/mips/au1000/db1x00/init.c
View File

@ -2,9 +2,8 @@
* BRIEF MODULE DESCRIPTION
* PB1000 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -49,8 +48,8 @@ void __init prom_init(void)
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
@ -58,6 +57,6 @@ void __init prom_init(void)
if (!memsize_str)
memsize = 0x04000000;
else
memsize = simple_strtol(memsize_str, NULL, 0);
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

22
arch/mips/au1000/db1x00/irqmap.c
View File

@ -32,32 +32,32 @@
#ifdef CONFIG_MIPS_DB1500
char irq_tab_alchemy[][5] __initdata = {
[12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT371 */
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */
[12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT371 */
[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */
};
#endif
#ifdef CONFIG_MIPS_BOSPORUS
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 11 - miniPCI */
[12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - SN1741 */
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */
[11] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 11 - miniPCI */
[12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - SN1741 */
[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */
};
#endif
#ifdef CONFIG_MIPS_MIRAGE
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, INTD, INTX, INTX, INTX}, /* IDSEL 11 - SMI VGX */
[12] = { -1, INTX, INTX, INTC, INTX}, /* IDSEL 12 - PNX1300 */
[13] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 13 - miniPCI */
[11] = { -1, INTD, INTX, INTX, INTX }, /* IDSEL 11 - SMI VGX */
[12] = { -1, INTX, INTX, INTC, INTX }, /* IDSEL 12 - PNX1300 */
[13] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 13 - miniPCI */
};
#endif
#ifdef CONFIG_MIPS_DB1550
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, INTC, INTX, INTX, INTX}, /* IDSEL 11 - on-board HPT371 */
[12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */
[11] = { -1, INTC, INTX, INTX, INTX }, /* IDSEL 11 - on-board HPT371 */
[12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */
[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
};
#endif

3
arch/mips/au1000/mtx-1/Makefile
View File

@ -1,7 +1,6 @@
#
# Copyright 2003 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Author: MontaVista Software, Inc. <source@mvista.com>
# Bruno Randolf <bruno.randolf@4g-systems.biz>
#
# Makefile for 4G Systems MTX-1 board.

51
arch/mips/au1000/mtx-1/board_setup.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* 4G Systems MTX-1 board setup.
*
* Copyright 2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
* Bruno Randolf <bruno.randolf@4g-systems.biz>
*
* This program is free software; you can redistribute it and/or modify it
@ -45,36 +44,36 @@ void board_reset(void)
void __init board_setup(void)
{
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
// enable USB power switch
au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR );
au_writel( 0x100000, GPIO2_OUTPUT );
/* Enable USB power switch */
au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
au_writel(0x100000, GPIO2_OUTPUT);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
#ifdef CONFIG_PCI
#if defined(__MIPSEB__)
au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
#else
au_writel(0xf, Au1500_PCI_CFG);
#endif
#endif
// initialize sys_pinfunc:
au_writel( SYS_PF_NI2, SYS_PINFUNC );
/* Initialize sys_pinfunc */
au_writel(SYS_PF_NI2, SYS_PINFUNC);
// initialize GPIO
au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR );
au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF
au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF
au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF
/* Initialize GPIO */
au_writel(0xFFFFFFFF, SYS_TRIOUTCLR);
au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */
au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */
au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */
// enable LED and set it to green
au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR );
au_writel( 0x18000800, GPIO2_OUTPUT );
/* Enable LED and set it to green */
au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR);
au_writel(0x18000800, GPIO2_OUTPUT);
board_pci_idsel = mtx1_pci_idsel;
printk("4G Systems MTX-1 Board\n");
printk(KERN_INFO "4G Systems MTX-1 Board\n");
}
int
@ -83,18 +82,16 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
#define MTX_IDSEL_ONLY_0_AND_3 0
#if MTX_IDSEL_ONLY_0_AND_3
if (devsel != 0 && devsel != 3) {
printk("*** not 0 or 3\n");
printk(KERN_ERR "*** not 0 or 3\n");
return 0;
}
#endif
if (assert && devsel != 0) {
// suppress signal to cardbus
au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF
}
else {
au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
}
if (assert && devsel != 0)
/* Suppress signal to Cardbus */
au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */
else
au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
au_sync_udelay(1);
return 1;
}

11
arch/mips/au1000/mtx-1/init.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* 4G Systems MTX-1 board setup
*
* Copyright 2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
* Bruno Randolf <bruno.randolf@4g-systems.biz>
*
* This program is free software; you can redistribute it and/or modify it
@ -47,8 +46,8 @@ void __init prom_init(void)
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
@ -56,6 +55,6 @@ void __init prom_init(void)
if (!memsize_str)
memsize = 0x04000000;
else
memsize = simple_strtol(memsize_str, NULL, 0);
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

18
arch/mips/au1000/mtx-1/irqmap.c
View File

@ -31,18 +31,18 @@
#include <asm/mach-au1x00/au1000.h>
char irq_tab_alchemy[][5] __initdata = {
[0] = { -1, INTA, INTA, INTX, INTX}, /* IDSEL 00 - AdapterA-Slot0 (top) */
[1] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
[2] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 02 - AdapterB-Slot0 (top) */
[3] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
[4] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 04 - AdapterC-Slot0 (top) */
[5] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
[6] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 06 - AdapterD-Slot0 (top) */
[7] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
[0] = { -1, INTA, INTA, INTX, INTX }, /* IDSEL 00 - AdapterA-Slot0 (top) */
[1] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
[2] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 02 - AdapterB-Slot0 (top) */
[3] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
[4] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 04 - AdapterC-Slot0 (top) */
[5] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
[6] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 06 - AdapterD-Slot0 (top) */
[7] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
};
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },

3
arch/mips/au1000/mtx-1/platform.c
View File

@ -21,11 +21,10 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <asm/gpio.h>
static struct gpio_keys_button mtx1_gpio_button[] = {
{
.gpio = 207,

8
arch/mips/au1000/pb1000/Makefile
View File

@ -1,8 +1,8 @@
#
# Copyright 2000 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor Pb1000 board.
#
# Makefile for the Alchemy Semiconductor PB1000 board.
lib-y := init.o board_setup.o irqmap.o

103
arch/mips/au1000/pb1000/board_setup.c
View File

@ -1,7 +1,6 @@
/*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -40,128 +39,126 @@ void __init board_setup(void)
u32 sys_freqctrl, sys_clksrc;
u32 prid = read_c0_prid();
// set AUX clock to 12MHz * 8 = 96 MHz
/* Set AUX clock to 12 MHz * 8 = 96 MHz */
au_writel(8, SYS_AUXPLL);
au_writel(0, SYS_PINSTATERD);
udelay(100);
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
/* zero and disable FREQ2 */
/* Zero and disable FREQ2 */
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* zero and disable USBH/USBD clocks */
/* Zero and disable USBH/USBD clocks */
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x00007FE0;
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
au_writel(sys_clksrc, SYS_CLKSRC);
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x00007FE0;
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
switch (prid & 0x000000FF)
{
switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
/* CPU core freq to 48MHz to slow it way down... */
/* CPU core freq to 48 MHz to slow it way down... */
au_writel(4, SYS_CPUPLL);
/*
* Setup 48MHz FREQ2 from CPUPLL for USB Host
* Setup 48 MHz FREQ2 from CPUPLL for USB Host
* FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz
*/
/* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */
sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20));
sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* CPU core freq to 384MHz */
/* CPU core freq to 384 MHz */
au_writel(0x20, SYS_CPUPLL);
printk("Au1000: 48MHz OHCI workaround enabled\n");
printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n");
break;
default: /* HC and newer */
// FREQ2 = aux/2 = 48 MHz
sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
/* FREQ2 = aux / 2 = 48 MHz */
sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
SYS_FC_FE2 | SYS_FC_FS2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
break;
}
/*
* Route 48MHz FREQ2 into USB Host and/or Device
* Route 48 MHz FREQ2 into USB Host and/or Device
*/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
#endif
sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
au_writel(sys_clksrc, SYS_CLKSRC);
// configure pins GPIO[14:9] as GPIO
pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080);
/* Configure pins GPIO[14:9] as GPIO */
pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB);
// 2nd USB port is USB host
pin_func |= 0x8000;
/* 2nd USB port is USB host */
pin_func |= SYS_PF_USB;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0x2800, SYS_TRIOUTCLR);
au_writel(0x0030, SYS_OUTPUTCLR);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
// make gpio 15 an input (for interrupt line)
pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x100);
// we don't need I2S, so make it available for GPIO[31:29]
pin_func |= (1<<5);
/* Make GPIO 15 an input (for interrupt line) */
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF;
/* We don't need I2S, so make it available for GPIO[31:29] */
pin_func |= SYS_PF_I2S;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0x8000, SYS_TRIOUTCLR);
static_cfg0 = au_readl(MEM_STCFG0) & (u32)(~0xc00);
static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
au_writel(static_cfg0, MEM_STCFG0);
// configure RCE2* for LCD
/* configure RCE2* for LCD */
au_writel(0x00000004, MEM_STCFG2);
// MEM_STTIME2
/* MEM_STTIME2 */
au_writel(0x09000000, MEM_STTIME2);
// Set 32-bit base address decoding for RCE2*
/* Set 32-bit base address decoding for RCE2* */
au_writel(0x10003ff0, MEM_STADDR2);
// PCI CPLD setup
// expand CE0 to cover PCI
/*
* PCI CPLD setup
* Expand CE0 to cover PCI
*/
au_writel(0x11803e40, MEM_STADDR1);
// burst visibility on
/* Burst visibility on */
au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0);
au_writel(0x83, MEM_STCFG1); // ewait enabled, flash timing
au_writel(0x33030a10, MEM_STTIME1); // slower timing for FPGA
au_writel(0x83, MEM_STCFG1); /* ewait enabled, flash timing */
au_writel(0x33030a10, MEM_STTIME1); /* slower timing for FPGA */
/* setup the static bus controller */
/* Setup the static bus controller */
au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
#ifdef CONFIG_PCI
au_writel(0, PCI_BRIDGE_CONFIG); // set extend byte to 0
au_writel(0, SDRAM_MBAR); // set mbar to 0
au_writel(0x2, SDRAM_CMD); // enable memory accesses
au_sync_delay(1);
#endif
/* Enable Au1000 BCLK switching - note: sed1356 must not use
* its BCLK (Au1000 LCLK) for any timings */
switch (prid & 0x000000FF)
{
/*
* Enable Au1000 BCLK switching - note: sed1356 must not use
* its BCLK (Au1000 LCLK) for any timings
*/
switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
break;
default: /* HC and newer */
/* Enable sys bus clock divider when IDLE state or no bus
activity. */
/*
* Enable sys bus clock divider when IDLE state or no bus
* activity.
*/
au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
break;
}

20
arch/mips/au1000/pb1000/init.c
View File

@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
* PB1000 board setup
* Pb1000 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -44,16 +43,15 @@ void __init prom_init(void)
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int) fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str) {
if (!memsize_str)
memsize = 0x04000000;
} else {
memsize = simple_strtol(memsize_str, NULL, 0);
}
else
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

6
arch/mips/au1000/pb1100/Makefile
View File

@ -1,8 +1,8 @@
#
# Copyright 2000,2001 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2001, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor Pb1100 board.
#
lib-y := init.o board_setup.o irqmap.o

50
arch/mips/au1000/pb1100/board_setup.c
View File

@ -1,7 +1,6 @@
/*
* Copyright 2002 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2002, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -32,15 +31,15 @@
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
au_writel(0x00000000, 0xAE00001C);
/* Hit BCSR.RST_VDDI[SOFT_RESET] */
au_writel(0x00000000, PB1100_RST_VDDI);
}
void __init board_setup(void)
{
volatile void __iomem * base = (volatile void __iomem *) 0xac000000UL;
volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
// set AUX clock to 12MHz * 8 = 96 MHz
/* Set AUX clock to 12 MHz * 8 = 96 MHz */
au_writel(8, SYS_AUXPLL);
au_writel(0, SYS_PININPUTEN);
udelay(100);
@ -49,44 +48,47 @@ void __init board_setup(void)
{
u32 pin_func, sys_freqctrl, sys_clksrc;
// configure pins GPIO[14:9] as GPIO
pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80);
/* Configure pins GPIO[14:9] as GPIO */
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
/* zero and disable FREQ2 */
/* Zero and disable FREQ2 */
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* zero and disable USBH/USBD/IrDA clock */
/* Zero and disable USBH/USBD/IrDA clock */
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x0000001F;
sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
au_writel(sys_clksrc, SYS_CLKSRC);
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x0000001F;
sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
// FREQ2 = aux/2 = 48 MHz
sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
/* FREQ2 = aux / 2 = 48 MHz */
sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
SYS_FC_FE2 | SYS_FC_FS2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/*
* Route 48MHz FREQ2 into USBH/USBD/IrDA
* Route 48 MHz FREQ2 into USBH/USBD/IrDA
*/
sys_clksrc |= ((4<<2) | (0<<1) | 0 );
sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT;
au_writel(sys_clksrc, SYS_CLKSRC);
/* setup the static bus controller */
/* Setup the static bus controller */
au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
// get USB Functionality pin state (device vs host drive pins)
pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
// 2nd USB port is USB host
pin_func |= 0x8000;
/*
* Get USB Functionality pin state (device vs host drive pins).
*/
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
/* 2nd USB port is USB host. */
pin_func |= SYS_PF_USB;
au_writel(pin_func, SYS_PINFUNC);
}
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
@ -94,12 +96,12 @@ void __init board_setup(void)
/* Enable sys bus clock divider when IDLE state or no bus activity. */
au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
// Enable the RTC if not already enabled
/* Enable the RTC if not already enabled. */
if (!(readb(base + 0x28) & 0x20)) {
writeb(readb(base + 0x28) | 0x20, base + 0x28);
au_sync();
}
// Put the clock in BCD mode
/* Put the clock in BCD mode. */
if (readb(base + 0x2C) & 0x4) { /* reg B */
writeb(readb(base + 0x2c) & ~0x4, base + 0x2c);
au_sync();

11
arch/mips/au1000/pb1100/init.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* Pb1100 board setup
*
* Copyright 2002 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2002, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -46,8 +45,8 @@ void __init prom_init(void)
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg3;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg3;
prom_init_cmdline();
@ -55,7 +54,7 @@ void __init prom_init(void)
if (!memsize_str)
memsize = 0x04000000;
else
memsize = simple_strtol(memsize_str, NULL, 0);
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

10
arch/mips/au1000/pb1100/irqmap.c
View File

@ -1,6 +1,6 @@
/*
* BRIEF MODULE DESCRIPTION
* Au1xxx irq map table
* Au1xx0 IRQ map table
*
* Copyright 2003 Embedded Edge, LLC
* dan@embeddededge.com
@ -31,10 +31,10 @@
#include <asm/mach-au1x00/au1000.h>
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted#
{ AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG#
{ AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ#
{ AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, // DC_IRQ#
{ AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */
{ AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */
{ AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */
{ AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */
};
int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map);

2
arch/mips/au1000/pb1200/Makefile
View File

@ -1,5 +1,5 @@
#
# Makefile for the Alchemy Semiconductor PB1200 board.
# Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards.
#
lib-y := init.o board_setup.o irqmap.o

67
arch/mips/au1000/pb1200/board_setup.c
View File

@ -27,16 +27,8 @@
#include <linux/init.h>
#include <linux/sched.h>
#include <au1000.h>
#include <prom.h>
#ifdef CONFIG_MIPS_PB1200
#include <asm/mach-pb1x00/pb1200.h>
#endif
#ifdef CONFIG_MIPS_DB1200
#include <asm/mach-db1x00/db1200.h>
#endif
#include <au1xxx.h>
extern void _board_init_irq(void);
extern void (*board_init_irq)(void);
@ -55,7 +47,8 @@ void __init board_setup(void)
{
u32 pin_func;
/* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
/*
* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
* but it is board specific code, so put it here.
*/
pin_func = au_readl(SYS_PINFUNC);
@ -63,7 +56,7 @@ void __init board_setup(void)
pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
au_sync();
}
#endif
@ -73,23 +66,23 @@ void __init board_setup(void)
u32 freq0, clksrc;
u32 pin_func;
/* Select SMBUS in CPLD */
bcsr->resets &= ~(BCSR_RESETS_PCS0MUX);
/* Select SMBus in CPLD */
bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
pin_func = au_readl(SYS_PINFUNC);
au_sync();
pin_func &= ~(3<<17 | 1<<4);
pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B);
/* Set GPIOs correctly */
pin_func |= 2<<17;
pin_func |= 2 << 17;
au_writel(pin_func, SYS_PINFUNC);
au_sync();
/* The i2c driver depends on 50Mhz clock */
/* The I2C driver depends on 50 MHz clock */
freq0 = au_readl(SYS_FREQCTRL0);
au_sync();
freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
freq0 |= (3<<SYS_FC_FRDIV1_BIT);
/* 396Mhz / (3+1)*2 == 49.5Mhz */
freq0 |= 3 << SYS_FC_FRDIV1_BIT;
/* 396 MHz / (3 + 1) * 2 == 49.5 MHz */
au_writel(freq0, SYS_FREQCTRL0);
au_sync();
freq0 |= SYS_FC_FE1;
@ -98,9 +91,9 @@ void __init board_setup(void)
clksrc = au_readl(SYS_CLKSRC);
au_sync();
clksrc &= ~0x01f00000;
/* bit 22 is EXTCLK0 for PSC0 */
clksrc |= (0x3 << 22);
clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK);
/* Bit 22 is EXTCLK0 for PSC0 */
clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT;
au_writel(clksrc, SYS_CLKSRC);
au_sync();
}
@ -116,27 +109,27 @@ void __init board_setup(void)
#endif
#endif
/* The Pb1200 development board uses external MUX for PSC0 to
support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
/*
* The Pb1200 development board uses external MUX for PSC0 to
* support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
*/
#ifdef CONFIG_I2C_AU1550
bcsr->resets &= (~BCSR_RESETS_PCS0MUX);
bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
#endif
au_sync();
#ifdef CONFIG_MIPS_PB1200
printk("AMD Alchemy Pb1200 Board\n");
printk(KERN_INFO "AMD Alchemy Pb1200 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1200
printk("AMD Alchemy Db1200 Board\n");
printk(KERN_INFO "AMD Alchemy Db1200 Board\n");
#endif
/* Setup Pb1200 External Interrupt Controller */
board_init_irq = _board_init_irq;
}
int
board_au1200fb_panel(void)
int board_au1200fb_panel(void)
{
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
int p;
@ -147,23 +140,23 @@ board_au1200fb_panel(void)
return p;
}
int
board_au1200fb_panel_init(void)
int board_au1200fb_panel_init(void)
{
/* Apply power */
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
bcsr->board |= (BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
/*printk("board_au1200fb_panel_init()\n"); */
bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL;
/* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */
return 0;
}
int
board_au1200fb_panel_shutdown(void)
int board_au1200fb_panel_shutdown(void)
{
/* Remove power */
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL);
/*printk("board_au1200fb_panel_shutdown()\n"); */
bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD |
BCSR_BOARD_LCDBL);
/* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */
return 0;
}

18
arch/mips/au1000/pb1200/init.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* PB1200 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -45,16 +44,15 @@ void __init prom_init(void)
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int) fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str) {
if (!memsize_str)
memsize = 0x08000000;
} else {
memsize = simple_strtol(memsize_str, NULL, 0);
}
else
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

64
arch/mips/au1000/pb1200/irqmap.c
View File

@ -39,25 +39,25 @@
#endif
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade
/* This is external interrupt cascade */
{ AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 },
};
int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map);
/*
* Support for External interrupts on the PbAu1200 Development platform.
* Support for External interrupts on the Pb1200 Development platform.
*/
static volatile int pb1200_cascade_en=0;
static volatile int pb1200_cascade_en;
irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
irqreturn_t pb1200_cascade_handler(int irq, void *dev_id)
{
unsigned short bisr = bcsr->int_status;
int extirq_nr = 0;
/* Clear all the edge interrupts. This has no effect on level */
/* Clear all the edge interrupts. This has no effect on level. */
bcsr->int_status = bisr;
for( ; bisr; bisr &= (bisr-1) )
{
for ( ; bisr; bisr &= bisr - 1) {
extirq_nr = PB1200_INT_BEGIN + __ffs(bisr);
/* Ack and dispatch IRQ */
do_IRQ(extirq_nr);
@ -68,26 +68,20 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
inline void pb1200_enable_irq(unsigned int irq_nr)
{
bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN);
}
inline void pb1200_disable_irq(unsigned int irq_nr)
{
bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN);
}
static unsigned int pb1200_setup_cascade(void)
{
int err;
err = request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
return request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
0, "Pb1200 Cascade", &pb1200_cascade_handler);
if (err)
return err;
return 0;
}
static unsigned int pb1200_startup_irq(unsigned int irq)
@ -132,23 +126,23 @@ void _board_init_irq(void)
unsigned int irq;
#ifdef CONFIG_MIPS_PB1200
/* We have a problem with CPLD rev3. Enable a workaround */
/* We have a problem with CPLD rev 3. */
if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) {
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
printk("updated to latest revision. This software will not\n");
printk("work on anything less than CPLD rev4\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n");
printk(KERN_ERR "updated to latest revision. This software will\n");
printk(KERN_ERR "not work on anything less than CPLD rev 4.\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
printk(KERN_ERR "WARNING!!!\n");
panic("Game over. Your score is 0.");
}
#endif
@ -161,6 +155,6 @@ void _board_init_irq(void)
/*
* GPIO_7 can not be hooked here, so it is hooked upon first
* request of any source attached to the cascade
* request of any source attached to the cascade.
*/
}

6
arch/mips/au1000/pb1500/Makefile
View File

@ -1,8 +1,8 @@
#
# Copyright 2000,2001 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2001, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor Pb1500 board.
#
lib-y := init.o board_setup.o irqmap.o

46
arch/mips/au1000/pb1500/board_setup.c
View File

@ -1,7 +1,6 @@
/*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -32,8 +31,8 @@
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
au_writel(0x00000000, 0xAE00001C);
/* Hit BCSR.RST_VDDI[SOFT_RESET] */
au_writel(0x00000000, PB1500_RST_VDDI);
}
void __init board_setup(void)
@ -42,7 +41,7 @@ void __init board_setup(void)
u32 sys_freqctrl, sys_clksrc;
sys_clksrc = sys_freqctrl = pin_func = 0;
// set AUX clock to 12MHz * 8 = 96 MHz
/* Set AUX clock to 12 MHz * 8 = 96 MHz */
au_writel(8, SYS_AUXPLL);
au_writel(0, SYS_PINSTATERD);
udelay(100);
@ -51,51 +50,48 @@ void __init board_setup(void)
/* GPIO201 is input for PCMCIA card detect */
/* GPIO203 is input for PCMCIA interrupt request */
au_writel(au_readl(GPIO2_DIR) & (u32)(~((1<<1)|(1<<3))), GPIO2_DIR);
au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR);
/* zero and disable FREQ2 */
/* Zero and disable FREQ2 */
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* zero and disable USBH/USBD clocks */
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x00007FE0;
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
au_writel(sys_clksrc, SYS_CLKSRC);
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~0x00007FE0;
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
// FREQ2 = aux/2 = 48 MHz
sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
/* FREQ2 = aux/2 = 48 MHz */
sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/*
* Route 48MHz FREQ2 into USB Host and/or Device
*/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
#endif
sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
au_writel(sys_clksrc, SYS_CLKSRC);
pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
// 2nd USB port is USB host
pin_func |= 0x8000;
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
/* 2nd USB port is USB host */
pin_func |= SYS_PF_USB;
au_writel(pin_func, SYS_PINFUNC);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
#ifdef CONFIG_PCI
// Setup PCI bus controller
/* Setup PCI bus controller */
au_writel(0, Au1500_PCI_CMEM);
au_writel(0x00003fff, Au1500_CFG_BASE);
#if defined(__MIPSEB__)
au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
#else
au_writel(0xf, Au1500_PCI_CFG);
#endif
@ -112,11 +108,11 @@ void __init board_setup(void)
/* Enable the RTC if not already enabled */
if (!(au_readl(0xac000028) & 0x20)) {
printk("enabling clock ...\n");
printk(KERN_INFO "enabling clock ...\n");
au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
}
/* Put the clock in BCD mode */
if (au_readl(0xac00002C) & 0x4) { /* reg B */
if (au_readl(0xac00002c) & 0x4) { /* reg B */
au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
au_sync();
}

20
arch/mips/au1000/pb1500/init.c
View File

@ -1,11 +1,10 @@
/*
*
* BRIEF MODULE DESCRIPTION
* PB1500 board setup
* Pb1500 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -45,16 +44,15 @@ void __init prom_init(void)
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int) fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str) {
if (!memsize_str)
memsize = 0x04000000;
} else {
memsize = simple_strtol(memsize_str, NULL, 0);
}
else
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

6
arch/mips/au1000/pb1500/irqmap.c
View File

@ -31,12 +31,12 @@
#include <asm/mach-au1x00/au1000.h>
char irq_tab_alchemy[][5] __initdata = {
[12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT370 */
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */
[12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT370 */
[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */
};
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },

7
arch/mips/au1000/pb1550/Makefile
View File

@ -1,9 +1,8 @@
#
# Copyright 2000 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor PB1000 board.
# Makefile for the Alchemy Semiconductor Pb1550 board.
#
lib-y := init.o board_setup.o irqmap.o

16
arch/mips/au1000/pb1550/board_setup.c
View File

@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* Alchemy Pb1550 board setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -35,15 +34,16 @@
void board_reset(void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C);
/* Hit BCSR.SYSTEM[RESET] */
au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C);
}
void __init board_setup(void)
{
u32 pin_func;
/* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
/*
* Enable PSC1 SYNC for AC'97. Normaly done in audio driver,
* but it is board specific code, so put it here.
*/
pin_func = au_readl(SYS_PINFUNC);
@ -51,8 +51,8 @@ void __init board_setup(void)
pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
au_sync();
printk("AMD Alchemy Pb1550 Board\n");
printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");
}

20
arch/mips/au1000/pb1550/init.c
View File

@ -1,11 +1,10 @@
/*
*
* BRIEF MODULE DESCRIPTION
* PB1550 board setup
* Pb1550 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -45,16 +44,15 @@ void __init prom_init(void)
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int) fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str) {
if (!memsize_str)
memsize = 0x08000000;
} else {
memsize = simple_strtol(memsize_str, NULL, 0);
}
else
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

6
arch/mips/au1000/pb1550/irqmap.c
View File

@ -1,6 +1,6 @@
/*
* BRIEF MODULE DESCRIPTION
* Au1xxx irq map table
* Au1xx0 IRQ map table
*
* Copyright 2003 Embedded Edge, LLC
* dan@embeddededge.com
@ -31,8 +31,8 @@
#include <asm/mach-au1x00/au1000.h>
char irq_tab_alchemy[][5] __initdata = {
[12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */
[12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */
[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
};
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {

3
arch/mips/au1000/xxs1500/Makefile
View File

@ -1,7 +1,6 @@
#
# Copyright 2003 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for MyCable XXS1500 board.
#

39
arch/mips/au1000/xxs1500/board_setup.c
View File

@ -1,7 +1,6 @@
/*
* Copyright 2000-2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000-2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -39,40 +38,40 @@ void __init board_setup(void)
{
u32 pin_func;
// set multiple use pins (UART3/GPIO) to UART (it's used as UART too)
pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3);
/* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
pin_func |= SYS_PF_UR3;
au_writel(pin_func, SYS_PINFUNC);
// enable UART
au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE)
/* Enable UART */
au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */
mdelay(10);
au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable"
au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */
mdelay(10);
// enable DTR = USB power up
au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01???
/* Enable DTR = USB power up */
au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
#ifdef CONFIG_PCMCIA_XXS1500
/* setup pcmcia signals */
/* Setup PCMCIA signals */
au_writel(0, SYS_PININPUTEN);
/* gpio 0, 1, and 4 are inputs */
au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR);
/* GPIO 0, 1, and 4 are inputs */
au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
/* enable GPIO2 if not already enabled */
/* Enable GPIO2 if not already enabled */
au_writel(1, GPIO2_ENABLE);
/* gpio2 208/9/10/11 are inputs */
au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR);
/* GPIO2 208/9/10/11 are inputs */
au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
/* turn off power */
au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT);
/* Turn off power */
au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
GPIO2_OUTPUT);
#endif
#ifdef CONFIG_PCI
#if defined(__MIPSEB__)
au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
#else
au_writel(0xf, Au1500_PCI_CFG);
#endif

11
arch/mips/au1000/xxs1500/init.c
View File

@ -2,9 +2,8 @@
* BRIEF MODULE DESCRIPTION
* XXS1500 board setup
*
* Copyright 2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -45,8 +44,8 @@ void __init prom_init(void)
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
@ -54,6 +53,6 @@ void __init prom_init(void)
if (!memsize_str)
memsize = 0x04000000;
else
memsize = simple_strtol(memsize_str, NULL, 0);
memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}

2
arch/mips/au1000/xxs1500/irqmap.c
View File

@ -31,7 +31,7 @@
#include <asm/mach-au1x00/au1000.h>
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 },
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },

7
arch/mips/emma2rh/markeins/setup.c
View File

@ -76,7 +76,9 @@ static void markeins_machine_power_off(void)
while (1) ;
}
static unsigned long clock[4] = { 166500000, 187312500, 199800000, 210600000 };
static unsigned long __initdata emma2rh_clock[4] = {
166500000, 187312500, 199800000, 210600000
};
static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
{
@ -85,7 +87,8 @@ static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
/* detect from boot strap */
reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
reg = (reg >> 4) & 0x3;
return clock[reg];
return emma2rh_clock[reg];
}
void __init plat_time_init(void)

2
arch/mips/kernel/Makefile
View File

@ -56,9 +56,9 @@ obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o
obj-$(CONFIG_MIPS_CMP) += smp-cmp.o
obj-$(CONFIG_CPU_MIPSR2) += spram.o
obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o
obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o
obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o
obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o
obj-$(CONFIG_I8259) += i8259.o
obj-$(CONFIG_IRQ_CPU) += irq_cpu.o

2
arch/mips/kernel/cpu-bugs64.c
View File

@ -38,7 +38,7 @@ static inline void align_mod(const int align, const int mod)
".endr\n\t"
".set pop"
:
: GCC_IMM_ASM(align), GCC_IMM_ASM(mod));
: GCC_IMM_ASM() (align), GCC_IMM_ASM() (mod));
}
static inline void mult_sh_align_mod(long *v1, long *v2, long *w,

11
arch/mips/kernel/irixelf.c
View File

@ -578,7 +578,7 @@ static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp,
* process and the system, here we map the page and fill the
* structure
*/
static void irix_map_prda_page(void)
static int irix_map_prda_page(void)
{
unsigned long v;
struct prda *pp;
@ -587,8 +587,8 @@ static void irix_map_prda_page(void)
v = do_brk(PRDA_ADDRESS, PAGE_SIZE);
up_write(&current->mm->mmap_sem);
if (v < 0)
return;
if (v != PRDA_ADDRESS)
return v; /* v must be an error code */
pp = (struct prda *) v;
pp->prda_sys.t_pid = task_pid_vnr(current);
@ -596,6 +596,8 @@ static void irix_map_prda_page(void)
pp->prda_sys.t_rpid = task_pid_vnr(current);
/* We leave the rest set to zero */
return 0;
}
@ -781,7 +783,8 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs)
* IRIX maps a page at 0x200000 which holds some system
* information. Programs depend on this.
*/
irix_map_prda_page();
if (irix_map_prda_page())
goto out_free_dentry;
padzero(elf_bss);

5
arch/mips/kernel/kspd.c
View File

@ -257,7 +257,7 @@ void sp_work_handle_request(void)
vcwd = vpe_getcwd(tclimit);
/* change to the cwd of the process that loaded the SP program */
/* change to cwd of the process that loaded the SP program */
old_fs = get_fs();
set_fs(KERNEL_DS);
sys_chdir(vcwd);
@ -323,6 +323,9 @@ static void sp_cleanup(void)
set >>= 1;
}
}
/* Put daemon cwd back to root to avoid umount problems */
sys_chdir("/");
}
static int channel_open = 0;

47
arch/mips/kernel/rtlx.c
View File

@ -72,6 +72,15 @@ static void rtlx_dispatch(void)
static irqreturn_t rtlx_interrupt(int irq, void *dev_id)
{
int i;
unsigned int flags, vpeflags;
/* Ought not to be strictly necessary for SMTC builds */
local_irq_save(flags);
vpeflags = dvpe();
set_c0_status(0x100 << MIPS_CPU_RTLX_IRQ);
irq_enable_hazard();
evpe(vpeflags);
local_irq_restore(flags);
for (i = 0; i < RTLX_CHANNELS; i++) {
wake_up(&channel_wqs[i].lx_queue);
@ -108,7 +117,8 @@ static void __used dump_rtlx(void)
static int rtlx_init(struct rtlx_info *rtlxi)
{
if (rtlxi->id != RTLX_ID) {
printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id);
printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n",
rtlxi, rtlxi->id);
return -ENOEXEC;
}
@ -164,8 +174,7 @@ int rtlx_open(int index, int can_sleep)
if( (p = vpe_get_shared(tclimit)) == NULL) {
if (can_sleep) {
__wait_event_interruptible(channel_wqs[index].lx_queue,
(p = vpe_get_shared(tclimit)),
ret);
(p = vpe_get_shared(tclimit)), ret);
if (ret)
goto out_fail;
} else {
@ -182,7 +191,9 @@ int rtlx_open(int index, int can_sleep)
DEFINE_WAIT(wait);
for (;;) {
prepare_to_wait(&channel_wqs[index].lx_queue, &wait, TASK_INTERRUPTIBLE);
prepare_to_wait(
&channel_wqs[index].lx_queue,
&wait, TASK_INTERRUPTIBLE);
smp_rmb();
if (*p != NULL)
break;
@ -195,7 +206,7 @@ int rtlx_open(int index, int can_sleep)
}
finish_wait(&channel_wqs[index].lx_queue, &wait);
} else {
printk(" *vpe_get_shared is NULL. "
pr_err(" *vpe_get_shared is NULL. "
"Has an SP program been loaded?\n");
ret = -ENOSYS;
goto out_fail;
@ -203,8 +214,9 @@ int rtlx_open(int index, int can_sleep)
}
if ((unsigned int)*p < KSEG0) {
printk(KERN_WARNING "vpe_get_shared returned an invalid pointer "
"maybe an error code %d\n", (int)*p);
printk(KERN_WARNING "vpe_get_shared returned an "
"invalid pointer maybe an error code %d\n",
(int)*p);
ret = -ENOSYS;
goto out_fail;
}
@ -232,6 +244,10 @@ out_ret:
int rtlx_release(int index)
{
if (rtlx == NULL) {
pr_err("rtlx_release() with null rtlx\n");
return 0;
}
rtlx->channel[index].lx_state = RTLX_STATE_UNUSED;
return 0;
}
@ -251,8 +267,8 @@ unsigned int rtlx_read_poll(int index, int can_sleep)
int ret = 0;
__wait_event_interruptible(channel_wqs[index].lx_queue,
chan->lx_read != chan->lx_write || sp_stopping,
ret);
(chan->lx_read != chan->lx_write) ||
sp_stopping, ret);
if (ret)
return ret;
@ -282,7 +298,9 @@ static inline int write_spacefree(int read, int write, int size)
unsigned int rtlx_write_poll(int index)
{
struct rtlx_channel *chan = &rtlx->channel[index];
return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size);
return write_spacefree(chan->rt_read, chan->rt_write,
chan->buffer_size);
}
ssize_t rtlx_read(int index, void __user *buff, size_t count)
@ -344,8 +362,8 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count)
rt_read = rt->rt_read;
/* total number of bytes to copy */
count = min(count,
(size_t)write_spacefree(rt_read, rt->rt_write, rt->buffer_size));
count = min(count, (size_t)write_spacefree(rt_read, rt->rt_write,
rt->buffer_size));
/* first bit from write pointer to the end of the buffer, or count */
fl = min(count, (size_t) rt->buffer_size - rt->rt_write);
@ -514,6 +532,11 @@ static int __init rtlx_module_init(void)
if (cpu_has_vint)
set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch);
else {
pr_err("APRP RTLX init on non-vectored-interrupt processor\n");
err = -ENODEV;
goto out_chrdev;
}
rtlx_irq.dev_id = rtlx;
setup_irq(rtlx_irq_num, &rtlx_irq);

1
arch/mips/kernel/setup.c
View File

@ -331,6 +331,7 @@ static void __init bootmem_init(void)
/*
* Determine low and high memory ranges
*/
max_pfn = max_low_pfn;
if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) {
#ifdef CONFIG_HIGHMEM
highstart_pfn = PFN_DOWN(HIGHMEM_START);

4
arch/mips/kernel/smp.c
View File

@ -87,8 +87,8 @@ struct plat_smp_ops *mp_ops;
__cpuinit void register_smp_ops(struct plat_smp_ops *ops)
{
if (ops)
printk(KERN_WARNING "Overriding previous set SMP ops\n");
if (mp_ops)
printk(KERN_WARNING "Overriding previously set SMP ops\n");
mp_ops = ops;
}

27
arch/mips/kernel/vpe.c
View File

@ -269,7 +269,7 @@ static void *alloc_progmem(unsigned long len)
* This means you must tell Linux to use less memory than you
* physically have, for example by passing a mem= boot argument.
*/
addr = pfn_to_kaddr(max_pfn);
addr = pfn_to_kaddr(max_low_pfn);
memset(addr, 0, len);
#else
/* simple grab some mem for now */
@ -781,10 +781,15 @@ static int vpe_run(struct vpe * v)
/* take system out of configuration state */
clear_c0_mvpcontrol(MVPCONTROL_VPC);
/*
* SMTC/SMVP kernels manage VPE enable independently,
* but uniprocessor kernels need to turn it on, even
* if that wasn't the pre-dvpe() state.
*/
#ifdef CONFIG_SMP
evpe(EVPE_ENABLE);
#else
evpe(vpeflags);
#else
evpe(EVPE_ENABLE);
#endif
emt(dmt_flag);
local_irq_restore(flags);
@ -840,7 +845,7 @@ static int vpe_elfload(struct vpe * v)
/* Sanity checks against insmoding binaries or wrong arch,
weird elf version */
if (memcmp(hdr->e_ident, ELFMAG, 4) != 0
if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0
|| (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC)
|| !elf_check_arch(hdr)
|| hdr->e_shentsize != sizeof(*sechdrs)) {
@ -947,11 +952,13 @@ static int vpe_elfload(struct vpe * v)
struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff);
for (i = 0; i < hdr->e_phnum; i++) {
if (phdr->p_type != PT_LOAD)
continue;
memcpy((void *)phdr->p_paddr, (char *)hdr + phdr->p_offset, phdr->p_filesz);
memset((void *)phdr->p_paddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz);
if (phdr->p_type == PT_LOAD) {
memcpy((void *)phdr->p_paddr,
(char *)hdr + phdr->p_offset,
phdr->p_filesz);
memset((void *)phdr->p_paddr + phdr->p_filesz,
0, phdr->p_memsz - phdr->p_filesz);
}
phdr++;
}
@ -1107,7 +1114,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
return -ENODEV;
hdr = (Elf_Ehdr *) v->pbuffer;
if (memcmp(hdr->e_ident, ELFMAG, 4) == 0) {
if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) == 0) {
if (vpe_elfload(v) >= 0) {
vpe_run(v);
} else {

1
arch/mips/mm/highmem.c
View File

@ -116,4 +116,3 @@ EXPORT_SYMBOL(__kmap);
EXPORT_SYMBOL(__kunmap);
EXPORT_SYMBOL(__kmap_atomic);
EXPORT_SYMBOL(__kunmap_atomic);
EXPORT_SYMBOL(__kmap_atomic_to_page);

6
arch/mips/oprofile/op_model_mipsxx.c
View File

@ -281,7 +281,7 @@ static inline int n_counters(void)
static void reset_counters(void *arg)
{
int counters = (int)arg;
int counters = (int)(long)arg;
switch (counters) {
case 4:
w_c0_perfctrl3(0);
@ -313,7 +313,7 @@ static int __init mipsxx_init(void)
if (!cpu_has_mipsmt_pertccounters)
counters = counters_total_to_per_cpu(counters);
#endif
on_each_cpu(reset_counters, (void *)counters, 0, 1);
on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
op_model_mipsxx_ops.num_counters = counters;
switch (current_cpu_type()) {
@ -382,7 +382,7 @@ static void mipsxx_exit(void)
int counters = op_model_mipsxx_ops.num_counters;
counters = counters_per_cpu_to_total(counters);
on_each_cpu(reset_counters, (void *)counters, 0, 1);
on_each_cpu(reset_counters, (void *)(long)counters, 0, 1);
perf_irq = save_perf_irq;
}

7
arch/mips/pci/fixup-au1000.c
View File

@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
* Board specific pci fixups.
* Board specific PCI fixups.
*
* Copyright 2001-2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001-2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the

91
arch/mips/pci/ops-au1000.c
View File

@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
* Alchemy/AMD Au1x00 PCI support.
* Alchemy/AMD Au1xx0 PCI support.
*
* Copyright 2001-2003, 2007 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* Support for all devices (greater than 16) added by David Gathright.
*
@ -28,6 +27,7 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
@ -38,7 +38,7 @@
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#define DBG(x...) printk(KERN_DEBUG x)
#else
#define DBG(x...)
#endif
@ -46,7 +46,6 @@
#define PCI_ACCESS_READ 0
#define PCI_ACCESS_WRITE 1
int (*board_pci_idsel)(unsigned int devsel, int assert);
void mod_wired_entry(int entry, unsigned long entrylo0,
@ -92,10 +91,9 @@ void __init au1x_pci_cfg_init(void)
}
static int config_access(unsigned char access_type, struct pci_bus *bus,
unsigned int dev_fn, unsigned char where,
u32 * data)
unsigned int dev_fn, unsigned char where, u32 *data)
{
#if defined( CONFIG_SOC_AU1500 ) || defined( CONFIG_SOC_AU1550 )
#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
unsigned int device = PCI_SLOT(dev_fn);
unsigned int function = PCI_FUNC(dev_fn);
unsigned long offset, status;
@ -114,30 +112,28 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
Au1500_PCI_STATCMD);
au_sync_udelay(1);
/* Allow board vendors to implement their own off-chip idsel.
/*
* Allow board vendors to implement their own off-chip IDSEL.
* If it doesn't succeed, may as well bail out at this point.
*/
if (board_pci_idsel) {
if (board_pci_idsel(device, 1) == 0) {
if (board_pci_idsel && board_pci_idsel(device, 1) == 0) {
*data = 0xffffffff;
local_irq_restore(flags);
return -1;
}
}
/* setup the config window */
if (bus->number == 0) {
cfg_base = ((1<<device)<<11);
} else {
cfg_base = 0x80000000 | (bus->number<<16) | (device<<11);
}
/* Setup the config window */
if (bus->number == 0)
cfg_base = (1 << device) << 11;
else
cfg_base = 0x80000000 | (bus->number << 16) | (device << 11);
/* setup the lower bits of the 36 bit address */
/* Setup the lower bits of the 36-bit address */
offset = (function << 8) | (where & ~0x3);
/* pick up any address that falls below the page mask */
/* Pick up any address that falls below the page mask */
offset |= cfg_base & ~PAGE_MASK;
/* page boundary */
/* Page boundary */
cfg_base = cfg_base & PAGE_MASK;
/*
@ -153,38 +149,37 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
last_entryLo1 = entryLo1;
}
if (access_type == PCI_ACCESS_WRITE) {
if (access_type == PCI_ACCESS_WRITE)
au_writel(*data, (int)(pci_cfg_vm->addr + offset));
} else {
else
*data = au_readl((int)(pci_cfg_vm->addr + offset));
}
au_sync_udelay(2);
DBG("cfg_access %d bus->number %d dev %d at %x *data %x conf %x\n",
DBG("cfg_access %d bus->number %u dev %u at %x *data %x conf %lx\n",
access_type, bus->number, device, where, *data, offset);
/* check master abort */
/* Check master abort */
status = au_readl(Au1500_PCI_STATCMD);
if (status & (1<<29)) {
if (status & (1 << 29)) {
*data = 0xffffffff;
error = -1;
DBG("Au1x Master Abort\n");
} else if ((status >> 28) & 0xf) {
DBG("PCI ERR detected: device %d, status %x\n", device, ((status >> 28) & 0xf));
DBG("PCI ERR detected: device %u, status %lx\n",
device, (status >> 28) & 0xf);
/* clear errors */
/* Clear errors */
au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD);
*data = 0xffffffff;
error = -1;
}
/* Take away the idsel.
*/
if (board_pci_idsel) {
/* Take away the IDSEL. */
if (board_pci_idsel)
(void)board_pci_idsel(device, 0);
}
local_irq_restore(flags);
return error;
@ -192,7 +187,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
}
static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
int where, u8 * val)
int where, u8 *val)
{
u32 data;
int ret;
@ -206,9 +201,8 @@ static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
return ret;
}
static int read_config_word(struct pci_bus *bus, unsigned int devfn,
int where, u16 * val)
int where, u16 *val)
{
u32 data;
int ret;
@ -221,7 +215,7 @@ static int read_config_word(struct pci_bus *bus, unsigned int devfn,
}
static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
int where, u32 * val)
int where, u32 *val)
{
int ret;
@ -229,9 +223,8 @@ static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
return ret;
}
static int
write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
u8 val)
static int write_config_byte(struct pci_bus *bus, unsigned int devfn,
int where, u8 val)
{
u32 data = 0;
@ -247,9 +240,8 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
return PCIBIOS_SUCCESSFUL;
}
static int
write_config_word(struct pci_bus *bus, unsigned int devfn, int where,
u16 val)
static int write_config_word(struct pci_bus *bus, unsigned int devfn,
int where, u16 val)
{
u32 data = 0;
@ -262,13 +254,11 @@ write_config_word(struct pci_bus *bus, unsigned int devfn, int where,
if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
return -1;
return PCIBIOS_SUCCESSFUL;
}
static int
write_config_dword(struct pci_bus *bus, unsigned int devfn, int where,
u32 val)
static int write_config_dword(struct pci_bus *bus, unsigned int devfn,
int where, u32 val)
{
if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val))
return -1;
@ -277,18 +267,20 @@ write_config_dword(struct pci_bus *bus, unsigned int devfn, int where,
}
static int config_read(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 * val)
int where, int size, u32 *val)
{
switch (size) {
case 1: {
u8 _val;
int rc = read_config_byte(bus, devfn, where, &_val);
*val = _val;
return rc;
}
case 2: {
u16 _val;
int rc = read_config_word(bus, devfn, where, &_val);
*val = _val;
return rc;
}
@ -310,7 +302,6 @@ static int config_write(struct pci_bus *bus, unsigned int devfn,
}
}
struct pci_ops au1x_pci_ops = {
config_read,
config_write

5
arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c
View File

@ -126,9 +126,6 @@ static irqreturn_t hwbutton_handler(int irq, void *data)
struct hwbutton_interrupt *hirq = data;
unsigned long cic_ext = *CIC_EXT_CFG_REG;
if (irq != hirq->irq)
return IRQ_NONE;
if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) {
/* Interrupt: pin is now HI */
CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
@ -164,7 +161,7 @@ static int msp_hwbutton_register(struct hwbutton_interrupt *hirq)
*CIC_EXT_CFG_REG = cic_ext;
return request_irq(hirq->irq, hwbutton_handler, IRQF_DISABLED,
hirq->name, (void *)hirq);
hirq->name, hirq);
}
static int __init msp_hwbutton_setup(void)

4
arch/mips/sgi-ip27/ip27-timer.c
View File

@ -158,7 +158,7 @@ static void rt_set_mode(enum clock_event_mode mode,
}
}
unsigned int rt_timer_irq;
int rt_timer_irq;
static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id)
{
@ -219,7 +219,7 @@ static void __cpuinit hub_rt_clock_event_init(void)
static void __init hub_rt_clock_event_global_init(void)
{
unsigned int irq;
int irq;
do {
smp_wmb();

2
drivers/i2c/busses/i2c-au1550.c
View File

@ -335,7 +335,7 @@ i2c_au1550_probe(struct platform_device *pdev)
goto out_mem;
}
priv->psc_base = r->start;
priv->psc_base = CKSEG1ADDR(r->start);
priv->xfer_timeout = 200;
priv->ack_timeout = 200;

14
include/asm-mips/bitops.h
View File

@ -558,11 +558,13 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *
__clear_bit(nr, addr);
}
#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64)
/*
* Return the bit position (0..63) of the most significant 1 bit in a word
* Returns -1 if no 1 bit exists
*/
static inline int __ilog2(unsigned long x)
static inline unsigned long __fls(unsigned long x)
{
int lz;
@ -591,13 +593,6 @@ static inline int __ilog2(unsigned long x)
return 63 - lz;
}
static inline unsigned long __fls(unsigned long x)
{
return __ilog2(x);
}
#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64)
/*
* __ffs - find first bit in word.
* @word: The word to search
@ -607,7 +602,7 @@ static inline unsigned long __fls(unsigned long x)
*/
static inline unsigned long __ffs(unsigned long word)
{
return __ilog2(word & -word);
return __fls(word & -word);
}
/*
@ -654,6 +649,7 @@ static inline int ffs(int word)
#else
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>

4
include/asm-mips/compiler.h
View File

@ -9,10 +9,10 @@
#define _ASM_COMPILER_H
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define GCC_IMM_ASM "n"
#define GCC_IMM_ASM() "n"
#define GCC_REG_ACCUM "$0"
#else
#define GCC_IMM_ASM "rn"
#define GCC_IMM_ASM() "rn"
#define GCC_REG_ACCUM "accum"
#endif

866
include/asm-mips/mach-au1x00/au1000.h
View File

File diff suppressed because it is too large Load Diff

153
include/asm-mips/mach-au1x00/au1000_dma.h
View File

@ -1,11 +1,10 @@
/*
* BRIEF MODULE DESCRIPTION
* Defines for using and allocating dma channels on the Alchemy
* Au1000 mips processor.
* Defines for using and allocating DMA channels on the Alchemy
* Au1x00 MIPS processors.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -31,7 +30,7 @@
#ifndef __ASM_AU1000_DMA_H
#define __ASM_AU1000_DMA_H
#include <asm/io.h> /* need byte IO */
#include <linux/io.h> /* need byte IO */
#include <linux/spinlock.h> /* And spinlocks */
#include <linux/delay.h>
#include <asm/system.h>
@ -50,24 +49,24 @@
#define DMA_DAH_MASK (0x0f << 20)
#define DMA_DID_BIT 16
#define DMA_DID_MASK (0x0f << DMA_DID_BIT)
#define DMA_DS (1<<15)
#define DMA_BE (1<<13)
#define DMA_DR (1<<12)
#define DMA_TS8 (1<<11)
#define DMA_DS (1 << 15)
#define DMA_BE (1 << 13)
#define DMA_DR (1 << 12)
#define DMA_TS8 (1 << 11)
#define DMA_DW_BIT 9
#define DMA_DW_MASK (0x03 << DMA_DW_BIT)
#define DMA_DW8 (0 << DMA_DW_BIT)
#define DMA_DW16 (1 << DMA_DW_BIT)
#define DMA_DW32 (2 << DMA_DW_BIT)
#define DMA_NC (1<<8)
#define DMA_IE (1<<7)
#define DMA_HALT (1<<6)
#define DMA_GO (1<<5)
#define DMA_AB (1<<4)
#define DMA_D1 (1<<3)
#define DMA_BE1 (1<<2)
#define DMA_D0 (1<<1)
#define DMA_BE0 (1<<0)
#define DMA_NC (1 << 8)
#define DMA_IE (1 << 7)
#define DMA_HALT (1 << 6)
#define DMA_GO (1 << 5)
#define DMA_AB (1 << 4)
#define DMA_D1 (1 << 3)
#define DMA_BE1 (1 << 2)
#define DMA_D0 (1 << 1)
#define DMA_BE0 (1 << 0)
#define DMA_PERIPHERAL_ADDR 0x00000008
#define DMA_BUFFER0_START 0x0000000C
@ -79,7 +78,7 @@
#define DMA_COUNT_BIT 0
#define DMA_COUNT_MASK (0xffff << DMA_COUNT_BIT)
/* DMA Device ID's follow */
/* DMA Device IDs follow */
enum {
DMA_ID_UART0_TX = 0,
DMA_ID_UART0_RX,
@ -110,7 +109,8 @@ enum {
};
struct dma_chan {
int dev_id; // this channel is allocated if >=0, free otherwise
int dev_id; /* this channel is allocated if >= 0, */
/* free otherwise */
unsigned int io;
const char *dev_str;
int irq;
@ -132,23 +132,23 @@ extern int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
extern void dump_au1000_dma_channel(unsigned int dmanr);
extern spinlock_t au1000_dma_spin_lock;
static __inline__ struct dma_chan *get_dma_chan(unsigned int dmanr)
static inline struct dma_chan *get_dma_chan(unsigned int dmanr)
{
if (dmanr >= NUM_AU1000_DMA_CHANNELS
|| au1000_dma_table[dmanr].dev_id < 0)
if (dmanr >= NUM_AU1000_DMA_CHANNELS ||
au1000_dma_table[dmanr].dev_id < 0)
return NULL;
return &au1000_dma_table[dmanr];
}
static __inline__ unsigned long claim_dma_lock(void)
static inline unsigned long claim_dma_lock(void)
{
unsigned long flags;
spin_lock_irqsave(&au1000_dma_spin_lock, flags);
return flags;
}
static __inline__ void release_dma_lock(unsigned long flags)
static inline void release_dma_lock(unsigned long flags)
{
spin_unlock_irqrestore(&au1000_dma_spin_lock, flags);
}
@ -156,48 +156,53 @@ static __inline__ void release_dma_lock(unsigned long flags)
/*
* Set the DMA buffer enable bits in the mode register.
*/
static __inline__ void enable_dma_buffer0(unsigned int dmanr)
static inline void enable_dma_buffer0(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_BE0, chan->io + DMA_MODE_SET);
}
static __inline__ void enable_dma_buffer1(unsigned int dmanr)
static inline void enable_dma_buffer1(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_BE1, chan->io + DMA_MODE_SET);
}
static __inline__ void enable_dma_buffers(unsigned int dmanr)
static inline void enable_dma_buffers(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_BE0 | DMA_BE1, chan->io + DMA_MODE_SET);
}
static __inline__ void start_dma(unsigned int dmanr)
static inline void start_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_GO, chan->io + DMA_MODE_SET);
}
#define DMA_HALT_POLL 0x5000
static __inline__ void halt_dma(unsigned int dmanr)
static inline void halt_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
int i;
if (!chan)
return;
au_writel(DMA_GO, chan->io + DMA_MODE_CLEAR);
// poll the halt bit
/* Poll the halt bit */
for (i = 0; i < DMA_HALT_POLL; i++)
if (au_readl(chan->io + DMA_MODE_READ) & DMA_HALT)
break;
@ -205,40 +210,41 @@ static __inline__ void halt_dma(unsigned int dmanr)
printk(KERN_INFO "halt_dma: HALT poll expired!\n");
}
static __inline__ void disable_dma(unsigned int dmanr)
static inline void disable_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
halt_dma(dmanr);
// now we can disable the buffers
/* Now we can disable the buffers */
au_writel(~DMA_GO, chan->io + DMA_MODE_CLEAR);
}
static __inline__ int dma_halted(unsigned int dmanr)
static inline int dma_halted(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return 1;
return (au_readl(chan->io + DMA_MODE_READ) & DMA_HALT) ? 1 : 0;
}
/* initialize a DMA channel */
static __inline__ void init_dma(unsigned int dmanr)
/* Initialize a DMA channel. */
static inline void init_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
u32 mode;
if (!chan)
return;
disable_dma(dmanr);
// set device FIFO address
au_writel(CPHYSADDR(chan->fifo_addr),
chan->io + DMA_PERIPHERAL_ADDR);
/* Set device FIFO address */
au_writel(CPHYSADDR(chan->fifo_addr), chan->io + DMA_PERIPHERAL_ADDR);
mode = chan->mode | (chan->dev_id << DMA_DID_BIT);
if (chan->irq)
@ -249,11 +255,12 @@ static __inline__ void init_dma(unsigned int dmanr)
}
/*
* set mode for a specific DMA channel
* Set mode for a specific DMA channel
*/
static __inline__ void set_dma_mode(unsigned int dmanr, unsigned int mode)
static inline void set_dma_mode(unsigned int dmanr, unsigned int mode)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
/*
@ -266,36 +273,37 @@ static __inline__ void set_dma_mode(unsigned int dmanr, unsigned int mode)
chan->mode |= mode;
}
static __inline__ unsigned int get_dma_mode(unsigned int dmanr)
static inline unsigned int get_dma_mode(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return 0;
return chan->mode;
}
static __inline__ int get_dma_active_buffer(unsigned int dmanr)
static inline int get_dma_active_buffer(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return -1;
return (au_readl(chan->io + DMA_MODE_READ) & DMA_AB) ? 1 : 0;
}
/*
* set the device FIFO address for a specific DMA channel - only
* Set the device FIFO address for a specific DMA channel - only
* applicable to GPO4 and GPO5. All the other devices have fixed
* FIFO addresses.
*/
static __inline__ void set_dma_fifo_addr(unsigned int dmanr,
unsigned int a)
static inline void set_dma_fifo_addr(unsigned int dmanr, unsigned int a)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
if (chan->mode & DMA_DS) /* second bank of device ids */
if (chan->mode & DMA_DS) /* second bank of device IDs */
return;
if (chan->dev_id != DMA_ID_GP04 && chan->dev_id != DMA_ID_GP05)
@ -307,16 +315,19 @@ static __inline__ void set_dma_fifo_addr(unsigned int dmanr,
/*
* Clear the DMA buffer done bits in the mode register.
*/
static __inline__ void clear_dma_done0(unsigned int dmanr)
static inline void clear_dma_done0(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_D0, chan->io + DMA_MODE_CLEAR);
}
static __inline__ void clear_dma_done1(unsigned int dmanr)
static inline void clear_dma_done1(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(DMA_D1, chan->io + DMA_MODE_CLEAR);
@ -325,16 +336,17 @@ static __inline__ void clear_dma_done1(unsigned int dmanr)
/*
* This does nothing - not applicable to Au1000 DMA.
*/
static __inline__ void set_dma_page(unsigned int dmanr, char pagenr)
static inline void set_dma_page(unsigned int dmanr, char pagenr)
{
}
/*
* Set Buffer 0 transfer address for specific DMA channel.
*/
static __inline__ void set_dma_addr0(unsigned int dmanr, unsigned int a)
static inline void set_dma_addr0(unsigned int dmanr, unsigned int a)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(a, chan->io + DMA_BUFFER0_START);
@ -343,9 +355,10 @@ static __inline__ void set_dma_addr0(unsigned int dmanr, unsigned int a)
/*
* Set Buffer 1 transfer address for specific DMA channel.
*/
static __inline__ void set_dma_addr1(unsigned int dmanr, unsigned int a)
static inline void set_dma_addr1(unsigned int dmanr, unsigned int a)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
au_writel(a, chan->io + DMA_BUFFER1_START);
@ -355,10 +368,10 @@ static __inline__ void set_dma_addr1(unsigned int dmanr, unsigned int a)
/*
* Set Buffer 0 transfer size (max 64k) for a specific DMA channel.
*/
static __inline__ void set_dma_count0(unsigned int dmanr,
unsigned int count)
static inline void set_dma_count0(unsigned int dmanr, unsigned int count)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
count &= DMA_COUNT_MASK;
@ -368,10 +381,10 @@ static __inline__ void set_dma_count0(unsigned int dmanr,
/*
* Set Buffer 1 transfer size (max 64k) for a specific DMA channel.
*/
static __inline__ void set_dma_count1(unsigned int dmanr,
unsigned int count)
static inline void set_dma_count1(unsigned int dmanr, unsigned int count)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
count &= DMA_COUNT_MASK;
@ -381,10 +394,10 @@ static __inline__ void set_dma_count1(unsigned int dmanr,
/*
* Set both buffer transfer sizes (max 64k) for a specific DMA channel.
*/
static __inline__ void set_dma_count(unsigned int dmanr,
unsigned int count)
static inline void set_dma_count(unsigned int dmanr, unsigned int count)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return;
count &= DMA_COUNT_MASK;
@ -396,12 +409,12 @@ static __inline__ void set_dma_count(unsigned int dmanr,
* Returns which buffer has its done bit set in the mode register.
* Returns -1 if neither or both done bits set.
*/
static __inline__ unsigned int get_dma_buffer_done(unsigned int dmanr)
static inline unsigned int get_dma_buffer_done(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return 0;
return au_readl(chan->io + DMA_MODE_READ) & (DMA_D0 | DMA_D1);
}
@ -409,22 +422,23 @@ static __inline__ unsigned int get_dma_buffer_done(unsigned int dmanr)
/*
* Returns the DMA channel's Buffer Done IRQ number.
*/
static __inline__ int get_dma_done_irq(unsigned int dmanr)
static inline int get_dma_done_irq(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return -1;
return chan->irq;
}
/*
* Get DMA residue count. Returns the number of _bytes_ left to transfer.
*/
static __inline__ int get_dma_residue(unsigned int dmanr)
static inline int get_dma_residue(unsigned int dmanr)
{
int curBufCntReg, count;
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan)
return 0;
@ -442,4 +456,3 @@ static __inline__ int get_dma_residue(unsigned int dmanr)
}
#endif /* __ASM_AU1000_DMA_H */

18
include/asm-mips/mach-au1x00/au1000_gpio.h
View File

@ -2,12 +2,12 @@
* FILE NAME au1000_gpio.h
*
* BRIEF MODULE DESCRIPTION
* API to Alchemy Au1000 GPIO device.
* API to Alchemy Au1xx0 GPIO device.
*
* Author: MontaVista Software, Inc. <source@mvista.com>
* Steve Longerbeam <stevel@mvista.com>
* Steve Longerbeam
*
* Copyright 2001 MontaVista Software Inc.
* Copyright 2001, 2008 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -37,12 +37,12 @@
#define AU1000GPIO_IOC_MAGIC 'A'
#define AU1000GPIO_IN _IOR (AU1000GPIO_IOC_MAGIC, 0, int)
#define AU1000GPIO_SET _IOW (AU1000GPIO_IOC_MAGIC, 1, int)
#define AU1000GPIO_CLEAR _IOW (AU1000GPIO_IOC_MAGIC, 2, int)
#define AU1000GPIO_OUT _IOW (AU1000GPIO_IOC_MAGIC, 3, int)
#define AU1000GPIO_TRISTATE _IOW (AU1000GPIO_IOC_MAGIC, 4, int)
#define AU1000GPIO_AVAIL_MASK _IOR (AU1000GPIO_IOC_MAGIC, 5, int)
#define AU1000GPIO_IN _IOR(AU1000GPIO_IOC_MAGIC, 0, int)
#define AU1000GPIO_SET _IOW(AU1000GPIO_IOC_MAGIC, 1, int)
#define AU1000GPIO_CLEAR _IOW(AU1000GPIO_IOC_MAGIC, 2, int)
#define AU1000GPIO_OUT _IOW(AU1000GPIO_IOC_MAGIC, 3, int)
#define AU1000GPIO_TRISTATE _IOW(AU1000GPIO_IOC_MAGIC, 4, int)
#define AU1000GPIO_AVAIL_MASK _IOR(AU1000GPIO_IOC_MAGIC, 5, int)
#ifdef __KERNEL__
extern u32 get_au1000_avail_gpio_mask(void);

2
include/asm-mips/mach-au1x00/au1550_spi.h
View File

@ -1,5 +1,5 @@
/*
* au1550_spi.h - au1550 psc spi controller driver - platform data struct
* au1550_spi.h - Au1550 PSC SPI controller driver - platform data structure
*/
#ifndef _AU1550_SPI_H_

4
include/asm-mips/mach-au1x00/au1xxx.h
View File

@ -23,10 +23,10 @@
#ifndef _AU1XXX_H_
#define _AU1XXX_H_
#include <asm/mach-au1x00/au1000.h>
#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) || defined(CONFIG_MIPS_DB1500) || defined(CONFIG_MIPS_DB1550)
#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) || \
defined(CONFIG_MIPS_DB1500) || defined(CONFIG_MIPS_DB1550)
#include <asm/mach-db1x00/db1x00.h>
#elif defined(CONFIG_MIPS_PB1550)

135
include/asm-mips/mach-au1x00/au1xxx_dbdma.h
View File

@ -28,17 +28,18 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Specifics for the Au1xxx Descriptor-Based DMA Controllers, first
* seen in the AU1550 part.
/*
* Specifics for the Au1xxx Descriptor-Based DMA Controller,
* first seen in the AU1550 part.
*/
#ifndef _AU1000_DBDMA_H_
#define _AU1000_DBDMA_H_
#ifndef _LANGUAGE_ASSEMBLY
/* The DMA base addresses.
* The Channels are every 256 bytes (0x0100) from the channel 0 base.
/*
* The DMA base addresses.
* The channels are every 256 bytes (0x0100) from the channel 0 base.
* Interrupt status/enable is bits 15:0 for channels 15 to zero.
*/
#define DDMA_GLOBAL_BASE 0xb4003000
@ -51,16 +52,14 @@ typedef volatile struct dbdma_global {
u32 ddma_inten;
} dbdma_global_t;
/* General Configuration.
*/
/* General Configuration. */
#define DDMA_CONFIG_AF (1 << 2)
#define DDMA_CONFIG_AH (1 << 1)
#define DDMA_CONFIG_AL (1 << 0)
#define DDMA_THROTTLE_EN (1 << 31)
/* The structure of a DMA Channel.
*/
/* The structure of a DMA Channel. */
typedef volatile struct au1xxx_dma_channel {
u32 ddma_cfg; /* See below */
u32 ddma_desptr; /* 32-byte aligned pointer to descriptor */
@ -69,8 +68,7 @@ typedef volatile struct au1xxx_dma_channel {
u32 ddma_irq; /* If bit 0 set, interrupt pending */
u32 ddma_stat; /* See below */
u32 ddma_bytecnt; /* Byte count, valid only when chan idle */
/* Remainder, up to the 256 byte boundary, is reserved.
*/
/* Remainder, up to the 256 byte boundary, is reserved. */
} au1x_dma_chan_t;
#define DDMA_CFG_SED (1 << 9) /* source DMA level/edge detect */
@ -84,7 +82,8 @@ typedef volatile struct au1xxx_dma_channel {
#define DDMA_CFG_DBE (1 << 1) /* Destination big endian */
#define DDMA_CFG_EN (1 << 0) /* Channel enable */
/* Always set when descriptor processing done, regardless of
/*
* Always set when descriptor processing done, regardless of
* interrupt enable state. Reflected in global intstat, don't
* clear this until global intstat is read/used.
*/
@ -94,7 +93,8 @@ typedef volatile struct au1xxx_dma_channel {
#define DDMA_STAT_V (1 << 1) /* Descriptor valid */
#define DDMA_STAT_H (1 << 0) /* Channel Halted */
/* "Standard" DDMA Descriptor.
/*
* "Standard" DDMA Descriptor.
* Must be 32-byte aligned.
*/
typedef volatile struct au1xxx_ddma_desc {
@ -106,8 +106,9 @@ typedef volatile struct au1xxx_ddma_desc {
u32 dscr_dest1; /* See below */
u32 dscr_stat; /* completion status */
u32 dscr_nxtptr; /* Next descriptor pointer (mostly) */
/* First 32bytes are HW specific!!!
Lets have some SW data following.. make sure its 32bytes
/*
* First 32 bytes are HW specific!!!
* Lets have some SW data following -- make sure it's 32 bytes.
*/
u32 sw_status;
u32 sw_context;
@ -130,10 +131,9 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_CMD0_CV (0x1 << 2) /* Clear Valid when done */
#define DSCR_CMD0_ST_MASK (0x3 << 0) /* Status instruction */
#define SW_STATUS_INUSE (1<<0)
#define SW_STATUS_INUSE (1 << 0)
/* Command 0 device IDs.
*/
/* Command 0 device IDs. */
#ifdef CONFIG_SOC_AU1550
#define DSCR_CMD0_UART0_TX 0
#define DSCR_CMD0_UART0_RX 1
@ -198,16 +198,15 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_CMD0_THROTTLE 30
#define DSCR_CMD0_ALWAYS 31
#define DSCR_NDEV_IDS 32
/* THis macro is used to find/create custom device types */
#define DSCR_DEV2CUSTOM_ID(x, d) (((((x)&0xFFFF)<<8)|0x32000000)|((d)&0xFF))
#define DSCR_CUSTOM2DEV_ID(x) ((x)&0xFF)
/* This macro is used to find/create custom device types */
#define DSCR_DEV2CUSTOM_ID(x, d) (((((x) & 0xFFFF) << 8) | 0x32000000) | \
((d) & 0xFF))
#define DSCR_CUSTOM2DEV_ID(x) ((x) & 0xFF)
#define DSCR_CMD0_SID(x) (((x) & 0x1f) << 25)
#define DSCR_CMD0_DID(x) (((x) & 0x1f) << 20)
/* Source/Destination transfer width.
*/
/* Source/Destination transfer width. */
#define DSCR_CMD0_BYTE 0
#define DSCR_CMD0_HALFWORD 1
#define DSCR_CMD0_WORD 2
@ -215,16 +214,14 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_CMD0_SW(x) (((x) & 0x3) << 18)
#define DSCR_CMD0_DW(x) (((x) & 0x3) << 16)
/* DDMA Descriptor Type.
*/
/* DDMA Descriptor Type. */
#define DSCR_CMD0_STANDARD 0
#define DSCR_CMD0_LITERAL 1
#define DSCR_CMD0_CMP_BRANCH 2
#define DSCR_CMD0_DT(x) (((x) & 0x3) << 13)
/* Status Instruction.
*/
/* Status Instruction. */
#define DSCR_CMD0_ST_NOCHANGE 0 /* Don't change */
#define DSCR_CMD0_ST_CURRENT 1 /* Write current status */
#define DSCR_CMD0_ST_CMD0 2 /* Write cmd0 with V cleared */
@ -232,23 +229,20 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_CMD0_ST(x) (((x) & 0x3) << 0)
/* Descriptor Command 1
*/
/* Descriptor Command 1. */
#define DSCR_CMD1_SUPTR_MASK (0xf << 28) /* upper 4 bits of src addr */
#define DSCR_CMD1_DUPTR_MASK (0xf << 24) /* upper 4 bits of dest addr */
#define DSCR_CMD1_FL_MASK (0x3 << 22) /* Flag bits */
#define DSCR_CMD1_BC_MASK (0x3fffff) /* Byte count */
/* Flag description.
*/
/* Flag description. */
#define DSCR_CMD1_FL_MEM_STRIDE0 0
#define DSCR_CMD1_FL_MEM_STRIDE1 1
#define DSCR_CMD1_FL_MEM_STRIDE2 2
#define DSCR_CMD1_FL(x) (((x) & 0x3) << 22)
/* Source1, 1-dimensional stride.
*/
/* Source1, 1-dimensional stride. */
#define DSCR_SRC1_STS_MASK (3 << 30) /* Src xfer size */
#define DSCR_SRC1_SAM_MASK (3 << 28) /* Src xfer movement */
#define DSCR_SRC1_SB_MASK (0x3fff << 14) /* Block size */
@ -256,8 +250,7 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_SRC1_SS_MASK (0x3fff << 0) /* Stride */
#define DSCR_SRC1_SS(x) (((x) & 0x3fff) << 0)
/* Dest1, 1-dimensional stride.
*/
/* Dest1, 1-dimensional stride. */
#define DSCR_DEST1_DTS_MASK (3 << 30) /* Dest xfer size */
#define DSCR_DEST1_DAM_MASK (3 << 28) /* Dest xfer movement */
#define DSCR_DEST1_DB_MASK (0x3fff << 14) /* Block size */
@ -279,19 +272,17 @@ typedef volatile struct au1xxx_ddma_desc {
#define DSCR_SRC1_SAM(x) (((x) & 3) << 28)
#define DSCR_DEST1_DAM(x) (((x) & 3) << 28)
/* The next descriptor pointer.
*/
/* The next descriptor pointer. */
#define DSCR_NXTPTR_MASK (0x07ffffff)
#define DSCR_NXTPTR(x) ((x) >> 5)
#define DSCR_GET_NXTPTR(x) ((x) << 5)
#define DSCR_NXTPTR_MS (1 << 27)
/* The number of DBDMA channels.
*/
/* The number of DBDMA channels. */
#define NUM_DBDMA_CHANS 16
/*
* Ddma API definitions
* DDMA API definitions
* FIXME: may not fit to this header file
*/
typedef struct dbdma_device_table {
@ -325,35 +316,32 @@ typedef struct dbdma_chan_config {
#define DEV_FLAGS_IN (1 << 3)
#define DEV_FLAGS_BURSTABLE (1 << 4)
#define DEV_FLAGS_SYNC (1 << 5)
/* end Ddma API definitions */
/* end DDMA API definitions */
/* External functions for drivers to use.
*/
/* Use this to allocate a dbdma channel. The device ids are one of the
* DSCR_CMD0 devices IDs, which is usually redefined to a more
* meaningful name. The 'callback' is called during dma completion
/*
* External functions for drivers to use.
* Use this to allocate a DBDMA channel. The device IDs are one of
* the DSCR_CMD0 devices IDs, which is usually redefined to a more
* meaningful name. The 'callback' is called during DMA completion
* interrupt.
*/
extern u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
void (*callback)(int, void *), void *callparam);
void (*callback)(int, void *),
void *callparam);
#define DBDMA_MEM_CHAN DSCR_CMD0_ALWAYS
/* Set the device width of a in/out fifo.
*/
/* Set the device width of an in/out FIFO. */
u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits);
/* Allocate a ring of descriptors for dbdma.
*/
/* Allocate a ring of descriptors for DBDMA. */
u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries);
/* Put buffers on source/destination descriptors.
*/
/* Put buffers on source/destination descriptors. */
u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags);
u32 _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags);
/* Get a buffer from the destination descriptor.
*/
/* Get a buffer from the destination descriptor. */
u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes);
void au1xxx_dbdma_stop(u32 chanid);
@ -364,29 +352,34 @@ u32 au1xxx_get_dma_residue(u32 chanid);
void au1xxx_dbdma_chan_free(u32 chanid);
void au1xxx_dbdma_dump(u32 chanid);
u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr );
u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr);
u32 au1xxx_ddma_add_device( dbdev_tab_t *dev );
void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp);
u32 au1xxx_ddma_add_device(dbdev_tab_t *dev);
void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp);
/*
Some compatibilty macros --
Needed to make changes to API without breaking existing drivers
*/
#define au1xxx_dbdma_put_source(chanid, buf, nbytes)_au1xxx_dbdma_put_source(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_source_flags(chanid, buf, nbytes, flags) _au1xxx_dbdma_put_source(chanid, buf, nbytes, flags)
#define put_source_flags(chanid, buf, nbytes, flags) au1xxx_dbdma_put_source_flags(chanid, buf, nbytes, flags)
* Some compatibilty macros -- needed to make changes to API
* without breaking existing drivers.
*/
#define au1xxx_dbdma_put_source(chanid, buf, nbytes) \
_au1xxx_dbdma_put_source(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_source_flags(chanid, buf, nbytes, flags) \
_au1xxx_dbdma_put_source(chanid, buf, nbytes, flags)
#define put_source_flags(chanid, buf, nbytes, flags) \
au1xxx_dbdma_put_source_flags(chanid, buf, nbytes, flags)
#define au1xxx_dbdma_put_dest(chanid, buf, nbytes) _au1xxx_dbdma_put_dest(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_dest_flags(chanid, buf, nbytes, flags) _au1xxx_dbdma_put_dest(chanid, buf, nbytes, flags)
#define put_dest_flags(chanid, buf, nbytes, flags) au1xxx_dbdma_put_dest_flags(chanid, buf, nbytes, flags)
#define au1xxx_dbdma_put_dest(chanid, buf, nbytes) \
_au1xxx_dbdma_put_dest(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_dest_flags(chanid, buf, nbytes, flags) \
_au1xxx_dbdma_put_dest(chanid, buf, nbytes, flags)
#define put_dest_flags(chanid, buf, nbytes, flags) \
au1xxx_dbdma_put_dest_flags(chanid, buf, nbytes, flags)
/*
* Flags for the put_source/put_dest functions.
*/
#define DDMA_FLAGS_IE (1<<0)
#define DDMA_FLAGS_NOIE (1<<1)
#define DDMA_FLAGS_IE (1 << 0)
#define DDMA_FLAGS_NOIE (1 << 1)
#endif /* _LANGUAGE_ASSEMBLY */
#endif /* _AU1000_DBDMA_H_ */

221
include/asm-mips/mach-au1x00/au1xxx_ide.h
View File

@ -31,39 +31,36 @@
*/
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
#define DMA_WAIT_TIMEOUT 100
#define NUM_DESCRIPTORS PRD_ENTRIES
#define DMA_WAIT_TIMEOUT 100
#define NUM_DESCRIPTORS PRD_ENTRIES
#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
#define NUM_DESCRIPTORS 2
#define NUM_DESCRIPTORS 2
#endif
#ifndef AU1XXX_ATA_RQSIZE
#define AU1XXX_ATA_RQSIZE 128
#define AU1XXX_ATA_RQSIZE 128
#endif
/* Disable Burstable-Support for DBDMA */
#ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
#define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0
#define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0
#endif
#ifdef CONFIG_PM
/*
* This will enable the device to be powered up when write() or read()
* is called. If this is not defined, the driver will return -EBUSY.
*/
* This will enable the device to be powered up when write() or read()
* is called. If this is not defined, the driver will return -EBUSY.
*/
#define WAKE_ON_ACCESS 1
typedef struct
{
typedef struct {
spinlock_t lock; /* Used to block on state transitions */
au1xxx_power_dev_t *dev; /* Power Managers device structure */
unsigned stopped; /* USed to signaling device is stopped */
unsigned stopped; /* Used to signal device is stopped */
} pm_state;
#endif
typedef struct
{
typedef struct {
u32 tx_dev_id, rx_dev_id, target_dev_id;
u32 tx_chan, rx_chan;
void *tx_desc_head, *rx_desc_head;
@ -80,118 +77,118 @@ typedef struct
#endif
} _auide_hwif;
/*******************************************************************************
* PIO Mode timing calculation : *
* *
* Static Bus Spec ATA Spec *
* Tcsoe = t1 *
* Toecs = t9 *
* Twcs = t9 *
* Tcsh = t2i | t2 *
* Tcsoff = t2i | t2 *
* Twp = t2 *
* Tcsw = t1 *
* Tpm = 0 *
* Ta = t1+t2 *
*******************************************************************************/
/******************************************************************************/
/* PIO Mode timing calculation : */
/* */
/* Static Bus Spec ATA Spec */
/* Tcsoe = t1 */
/* Toecs = t9 */
/* Twcs = t9 */
/* Tcsh = t2i | t2 */
/* Tcsoff = t2i | t2 */
/* Twp = t2 */
/* Tcsw = t1 */
/* Tpm = 0 */
/* Ta = t1+t2 */
/******************************************************************************/
#define TCSOE_MASK (0x07<<29)
#define TOECS_MASK (0x07<<26)
#define TWCS_MASK (0x07<<28)
#define TCSH_MASK (0x0F<<24)
#define TCSOFF_MASK (0x07<<20)
#define TWP_MASK (0x3F<<14)
#define TCSW_MASK (0x0F<<10)
#define TPM_MASK (0x0F<<6)
#define TA_MASK (0x3F<<0)
#define TS_MASK (1<<8)
#define TCSOE_MASK (0x07 << 29)
#define TOECS_MASK (0x07 << 26)
#define TWCS_MASK (0x07 << 28)
#define TCSH_MASK (0x0F << 24)
#define TCSOFF_MASK (0x07 << 20)
#define TWP_MASK (0x3F << 14)
#define TCSW_MASK (0x0F << 10)
#define TPM_MASK (0x0F << 6)
#define TA_MASK (0x3F << 0)
#define TS_MASK (1 << 8)
/* Timing parameters PIO mode 0 */
#define SBC_IDE_PIO0_TCSOE (0x04<<29)
#define SBC_IDE_PIO0_TOECS (0x01<<26)
#define SBC_IDE_PIO0_TWCS (0x02<<28)
#define SBC_IDE_PIO0_TCSH (0x08<<24)
#define SBC_IDE_PIO0_TCSOFF (0x07<<20)
#define SBC_IDE_PIO0_TWP (0x10<<14)
#define SBC_IDE_PIO0_TCSW (0x04<<10)
#define SBC_IDE_PIO0_TPM (0x0<<6)
#define SBC_IDE_PIO0_TA (0x15<<0)
#define SBC_IDE_PIO0_TCSOE (0x04 << 29)
#define SBC_IDE_PIO0_TOECS (0x01 << 26)
#define SBC_IDE_PIO0_TWCS (0x02 << 28)
#define SBC_IDE_PIO0_TCSH (0x08 << 24)
#define SBC_IDE_PIO0_TCSOFF (0x07 << 20)
#define SBC_IDE_PIO0_TWP (0x10 << 14)
#define SBC_IDE_PIO0_TCSW (0x04 << 10)
#define SBC_IDE_PIO0_TPM (0x00 << 6)
#define SBC_IDE_PIO0_TA (0x15 << 0)
/* Timing parameters PIO mode 1 */
#define SBC_IDE_PIO1_TCSOE (0x03<<29)
#define SBC_IDE_PIO1_TOECS (0x01<<26)
#define SBC_IDE_PIO1_TWCS (0x01<<28)
#define SBC_IDE_PIO1_TCSH (0x06<<24)
#define SBC_IDE_PIO1_TCSOFF (0x06<<20)
#define SBC_IDE_PIO1_TWP (0x08<<14)
#define SBC_IDE_PIO1_TCSW (0x03<<10)
#define SBC_IDE_PIO1_TPM (0x00<<6)
#define SBC_IDE_PIO1_TA (0x0B<<0)
#define SBC_IDE_PIO1_TCSOE (0x03 << 29)
#define SBC_IDE_PIO1_TOECS (0x01 << 26)
#define SBC_IDE_PIO1_TWCS (0x01 << 28)
#define SBC_IDE_PIO1_TCSH (0x06 << 24)
#define SBC_IDE_PIO1_TCSOFF (0x06 << 20)
#define SBC_IDE_PIO1_TWP (0x08 << 14)
#define SBC_IDE_PIO1_TCSW (0x03 << 10)
#define SBC_IDE_PIO1_TPM (0x00 << 6)
#define SBC_IDE_PIO1_TA (0x0B << 0)
/* Timing parameters PIO mode 2 */
#define SBC_IDE_PIO2_TCSOE (0x05<<29)
#define SBC_IDE_PIO2_TOECS (0x01<<26)
#define SBC_IDE_PIO2_TWCS (0x01<<28)
#define SBC_IDE_PIO2_TCSH (0x07<<24)
#define SBC_IDE_PIO2_TCSOFF (0x07<<20)
#define SBC_IDE_PIO2_TWP (0x1F<<14)
#define SBC_IDE_PIO2_TCSW (0x05<<10)
#define SBC_IDE_PIO2_TPM (0x00<<6)
#define SBC_IDE_PIO2_TA (0x22<<0)
#define SBC_IDE_PIO2_TCSOE (0x05 << 29)
#define SBC_IDE_PIO2_TOECS (0x01 << 26)
#define SBC_IDE_PIO2_TWCS (0x01 << 28)
#define SBC_IDE_PIO2_TCSH (0x07 << 24)
#define SBC_IDE_PIO2_TCSOFF (0x07 << 20)
#define SBC_IDE_PIO2_TWP (0x1F << 14)
#define SBC_IDE_PIO2_TCSW (0x05 << 10)
#define SBC_IDE_PIO2_TPM (0x00 << 6)
#define SBC_IDE_PIO2_TA (0x22 << 0)
/* Timing parameters PIO mode 3 */
#define SBC_IDE_PIO3_TCSOE (0x05<<29)
#define SBC_IDE_PIO3_TOECS (0x01<<26)
#define SBC_IDE_PIO3_TWCS (0x01<<28)
#define SBC_IDE_PIO3_TCSH (0x0D<<24)
#define SBC_IDE_PIO3_TCSOFF (0x0D<<20)
#define SBC_IDE_PIO3_TWP (0x15<<14)
#define SBC_IDE_PIO3_TCSW (0x05<<10)
#define SBC_IDE_PIO3_TPM (0x00<<6)
#define SBC_IDE_PIO3_TA (0x1A<<0)
#define SBC_IDE_PIO3_TCSOE (0x05 << 29)
#define SBC_IDE_PIO3_TOECS (0x01 << 26)
#define SBC_IDE_PIO3_TWCS (0x01 << 28)
#define SBC_IDE_PIO3_TCSH (0x0D << 24)
#define SBC_IDE_PIO3_TCSOFF (0x0D << 20)
#define SBC_IDE_PIO3_TWP (0x15 << 14)
#define SBC_IDE_PIO3_TCSW (0x05 << 10)
#define SBC_IDE_PIO3_TPM (0x00 << 6)
#define SBC_IDE_PIO3_TA (0x1A << 0)
/* Timing parameters PIO mode 4 */
#define SBC_IDE_PIO4_TCSOE (0x04<<29)
#define SBC_IDE_PIO4_TOECS (0x01<<26)
#define SBC_IDE_PIO4_TWCS (0x01<<28)
#define SBC_IDE_PIO4_TCSH (0x04<<24)
#define SBC_IDE_PIO4_TCSOFF (0x04<<20)
#define SBC_IDE_PIO4_TWP (0x0D<<14)
#define SBC_IDE_PIO4_TCSW (0x03<<10)
#define SBC_IDE_PIO4_TPM (0x00<<6)
#define SBC_IDE_PIO4_TA (0x12<<0)
#define SBC_IDE_PIO4_TCSOE (0x04 << 29)
#define SBC_IDE_PIO4_TOECS (0x01 << 26)
#define SBC_IDE_PIO4_TWCS (0x01 << 28)
#define SBC_IDE_PIO4_TCSH (0x04 << 24)
#define SBC_IDE_PIO4_TCSOFF (0x04 << 20)
#define SBC_IDE_PIO4_TWP (0x0D << 14)
#define SBC_IDE_PIO4_TCSW (0x03 << 10)
#define SBC_IDE_PIO4_TPM (0x00 << 6)
#define SBC_IDE_PIO4_TA (0x12 << 0)
/* Timing parameters MDMA mode 0 */
#define SBC_IDE_MDMA0_TCSOE (0x03<<29)
#define SBC_IDE_MDMA0_TOECS (0x01<<26)
#define SBC_IDE_MDMA0_TWCS (0x01<<28)
#define SBC_IDE_MDMA0_TCSH (0x07<<24)
#define SBC_IDE_MDMA0_TCSOFF (0x07<<20)
#define SBC_IDE_MDMA0_TWP (0x0C<<14)
#define SBC_IDE_MDMA0_TCSW (0x03<<10)
#define SBC_IDE_MDMA0_TPM (0x00<<6)
#define SBC_IDE_MDMA0_TA (0x0F<<0)
#define SBC_IDE_MDMA0_TCSOE (0x03 << 29)
#define SBC_IDE_MDMA0_TOECS (0x01 << 26)
#define SBC_IDE_MDMA0_TWCS (0x01 << 28)
#define SBC_IDE_MDMA0_TCSH (0x07 << 24)
#define SBC_IDE_MDMA0_TCSOFF (0x07 << 20)
#define SBC_IDE_MDMA0_TWP (0x0C << 14)
#define SBC_IDE_MDMA0_TCSW (0x03 << 10)
#define SBC_IDE_MDMA0_TPM (0x00 << 6)
#define SBC_IDE_MDMA0_TA (0x0F << 0)
/* Timing parameters MDMA mode 1 */
#define SBC_IDE_MDMA1_TCSOE (0x05<<29)
#define SBC_IDE_MDMA1_TOECS (0x01<<26)
#define SBC_IDE_MDMA1_TWCS (0x01<<28)
#define SBC_IDE_MDMA1_TCSH (0x05<<24)
#define SBC_IDE_MDMA1_TCSOFF (0x05<<20)
#define SBC_IDE_MDMA1_TWP (0x0F<<14)
#define SBC_IDE_MDMA1_TCSW (0x05<<10)
#define SBC_IDE_MDMA1_TPM (0x00<<6)
#define SBC_IDE_MDMA1_TA (0x15<<0)
#define SBC_IDE_MDMA1_TCSOE (0x05 << 29)
#define SBC_IDE_MDMA1_TOECS (0x01 << 26)
#define SBC_IDE_MDMA1_TWCS (0x01 << 28)
#define SBC_IDE_MDMA1_TCSH (0x05 << 24)
#define SBC_IDE_MDMA1_TCSOFF (0x05 << 20)
#define SBC_IDE_MDMA1_TWP (0x0F << 14)
#define SBC_IDE_MDMA1_TCSW (0x05 << 10)
#define SBC_IDE_MDMA1_TPM (0x00 << 6)
#define SBC_IDE_MDMA1_TA (0x15 << 0)
/* Timing parameters MDMA mode 2 */
#define SBC_IDE_MDMA2_TCSOE (0x04<<29)
#define SBC_IDE_MDMA2_TOECS (0x01<<26)
#define SBC_IDE_MDMA2_TWCS (0x01<<28)
#define SBC_IDE_MDMA2_TCSH (0x04<<24)
#define SBC_IDE_MDMA2_TCSOFF (0x04<<20)
#define SBC_IDE_MDMA2_TWP (0x0D<<14)
#define SBC_IDE_MDMA2_TCSW (0x04<<10)
#define SBC_IDE_MDMA2_TPM (0x00<<6)
#define SBC_IDE_MDMA2_TA (0x12<<0)
#define SBC_IDE_MDMA2_TCSOE (0x04 << 29)
#define SBC_IDE_MDMA2_TOECS (0x01 << 26)
#define SBC_IDE_MDMA2_TWCS (0x01 << 28)
#define SBC_IDE_MDMA2_TCSH (0x04 << 24)
#define SBC_IDE_MDMA2_TCSOFF (0x04 << 20)
#define SBC_IDE_MDMA2_TWP (0x0D << 14)
#define SBC_IDE_MDMA2_TCSW (0x04 << 10)
#define SBC_IDE_MDMA2_TPM (0x00 << 6)
#define SBC_IDE_MDMA2_TA (0x12 << 0)
#define SBC_IDE_TIMING(mode) \
SBC_IDE_##mode##_TWCS | \
(SBC_IDE_##mode##_TWCS | \
SBC_IDE_##mode##_TCSH | \
SBC_IDE_##mode##_TCSOFF | \
SBC_IDE_##mode##_TWP | \
SBC_IDE_##mode##_TCSW | \
SBC_IDE_##mode##_TPM | \
SBC_IDE_##mode##_TA
SBC_IDE_##mode##_TA)

127
include/asm-mips/mach-au1x00/au1xxx_psc.h
View File

@ -33,7 +33,6 @@
#ifndef _AU1000_PSC_H_
#define _AU1000_PSC_H_
/* The PSC base addresses. */
#ifdef CONFIG_SOC_AU1550
#define PSC0_BASE_ADDR 0xb1a00000
@ -47,8 +46,8 @@
#define PSC1_BASE_ADDR 0xb1b00000
#endif
/* The PSC select and control registers are common to
* all protocols.
/*
* The PSC select and control registers are common to all protocols.
*/
#define PSC_SEL_OFFSET 0x00000000
#define PSC_CTRL_OFFSET 0x00000004
@ -59,18 +58,17 @@
#define PSC_SEL_CLK_SERCLK (2 << 4)
#define PSC_SEL_PS_MASK 0x00000007
#define PSC_SEL_PS_DISABLED (0)
#define PSC_SEL_PS_SPIMODE (2)
#define PSC_SEL_PS_I2SMODE (3)
#define PSC_SEL_PS_AC97MODE (4)
#define PSC_SEL_PS_SMBUSMODE (5)
#define PSC_SEL_PS_DISABLED 0
#define PSC_SEL_PS_SPIMODE 2
#define PSC_SEL_PS_I2SMODE 3
#define PSC_SEL_PS_AC97MODE 4
#define PSC_SEL_PS_SMBUSMODE 5
#define PSC_CTRL_DISABLE (0)
#define PSC_CTRL_SUSPEND (2)
#define PSC_CTRL_ENABLE (3)
#define PSC_CTRL_DISABLE 0
#define PSC_CTRL_SUSPEND 2
#define PSC_CTRL_ENABLE 3
/* AC97 Registers.
*/
/* AC97 Registers. */
#define PSC_AC97CFG_OFFSET 0x00000008
#define PSC_AC97MSK_OFFSET 0x0000000c
#define PSC_AC97PCR_OFFSET 0x00000010
@ -95,8 +93,7 @@
#define PSC_AC97GPO (AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
#define PSC_AC97GPI (AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
/* AC97 Config Register.
*/
/* AC97 Config Register. */
#define PSC_AC97CFG_RT_MASK (3 << 30)
#define PSC_AC97CFG_RT_FIFO1 (0 << 30)
#define PSC_AC97CFG_RT_FIFO2 (1 << 30)
@ -118,20 +115,19 @@
#define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1)
#define PSC_AC97CFG_GE_ENABLE (1)
/* Enable slots 3-12.
*/
/* Enable slots 3-12. */
#define PSC_AC97CFG_TXSLOT_ENA(x) (1 << (((x) - 3) + 11))
#define PSC_AC97CFG_RXSLOT_ENA(x) (1 << (((x) - 3) + 1))
/* The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
/*
* The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
* The only sensible numbers are 7, 9, or possibly 11. Nah, just do the
* arithmetic in the macro.
*/
#define PSC_AC97CFG_SET_LEN(x) (((((x)-2)/2) & 0xf) << 21)
#define PSC_AC97CFG_SET_LEN(x) (((((x) - 2) / 2) & 0xf) << 21)
#define PSC_AC97CFG_GET_LEN(x) (((((x) >> 21) & 0xf) * 2) + 2)
/* AC97 Mask Register.
*/
/* AC97 Mask Register. */
#define PSC_AC97MSK_GR (1 << 25)
#define PSC_AC97MSK_CD (1 << 24)
#define PSC_AC97MSK_RR (1 << 13)
@ -148,8 +144,7 @@
PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
PSC_AC97MSK_RD | PSC_AC97MSK_TD)
/* AC97 Protocol Control Register.
*/
/* AC97 Protocol Control Register. */
#define PSC_AC97PCR_RC (1 << 6)
#define PSC_AC97PCR_RP (1 << 5)
#define PSC_AC97PCR_RS (1 << 4)
@ -157,8 +152,7 @@
#define PSC_AC97PCR_TP (1 << 1)
#define PSC_AC97PCR_TS (1 << 0)
/* AC97 Status register (read only).
*/
/* AC97 Status register (read only). */
#define PSC_AC97STAT_CB (1 << 26)
#define PSC_AC97STAT_CP (1 << 25)
#define PSC_AC97STAT_CR (1 << 24)
@ -174,8 +168,7 @@
#define PSC_AC97STAT_DR (1 << 1)
#define PSC_AC97STAT_SR (1 << 0)
/* AC97 Event Register.
*/
/* AC97 Event Register. */
#define PSC_AC97EVNT_GR (1 << 25)
#define PSC_AC97EVNT_CD (1 << 24)
#define PSC_AC97EVNT_RR (1 << 13)
@ -187,22 +180,18 @@
#define PSC_AC97EVNT_RD (1 << 5)
#define PSC_AC97EVNT_TD (1 << 4)
/* CODEC Command Register.
*/
/* CODEC Command Register. */
#define PSC_AC97CDC_RD (1 << 25)
#define PSC_AC97CDC_ID_MASK (3 << 23)
#define PSC_AC97CDC_INDX_MASK (0x7f << 16)
#define PSC_AC97CDC_ID(x) (((x) & 0x3) << 23)
#define PSC_AC97CDC_ID(x) (((x) & 0x03) << 23)
#define PSC_AC97CDC_INDX(x) (((x) & 0x7f) << 16)
/* AC97 Reset Control Register.
*/
/* AC97 Reset Control Register. */
#define PSC_AC97RST_RST (1 << 1)
#define PSC_AC97RST_SNC (1 << 0)
/* PSC in I2S Mode.
*/
/* PSC in I2S Mode. */
typedef struct psc_i2s {
u32 psc_sel;
u32 psc_ctrl;
@ -215,8 +204,7 @@ typedef struct psc_i2s {
u32 psc_i2sudf;
} psc_i2s_t;
/* I2S Config Register.
*/
/* I2S Config Register. */
#define PSC_I2SCFG_RT_MASK (3 << 30)
#define PSC_I2SCFG_RT_FIFO1 (0 << 30)
#define PSC_I2SCFG_RT_FIFO2 (1 << 30)
@ -247,8 +235,7 @@ typedef struct psc_i2s {
#define PSC_I2SCFG_MLJ (1 << 10)
#define PSC_I2SCFG_XM (1 << 9)
/* The word length equation is simply LEN+1.
*/
/* The word length equation is simply LEN+1. */
#define PSC_I2SCFG_SET_LEN(x) ((((x) - 1) & 0x1f) << 4)
#define PSC_I2SCFG_GET_LEN(x) ((((x) >> 4) & 0x1f) + 1)
@ -256,8 +243,7 @@ typedef struct psc_i2s {
#define PSC_I2SCFG_MLF (1 << 1)
#define PSC_I2SCFG_MS (1 << 0)
/* I2S Mask Register.
*/
/* I2S Mask Register. */
#define PSC_I2SMSK_RR (1 << 13)
#define PSC_I2SMSK_RO (1 << 12)
#define PSC_I2SMSK_RU (1 << 11)
@ -271,8 +257,7 @@ typedef struct psc_i2s {
PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
PSC_I2SMSK_RD | PSC_I2SMSK_TD)
/* I2S Protocol Control Register.
*/
/* I2S Protocol Control Register. */
#define PSC_I2SPCR_RC (1 << 6)
#define PSC_I2SPCR_RP (1 << 5)
#define PSC_I2SPCR_RS (1 << 4)
@ -280,8 +265,7 @@ typedef struct psc_i2s {
#define PSC_I2SPCR_TP (1 << 1)
#define PSC_I2SPCR_TS (1 << 0)
/* I2S Status register (read only).
*/
/* I2S Status register (read only). */
#define PSC_I2SSTAT_RF (1 << 13)
#define PSC_I2SSTAT_RE (1 << 12)
#define PSC_I2SSTAT_RR (1 << 11)
@ -294,8 +278,7 @@ typedef struct psc_i2s {
#define PSC_I2SSTAT_DR (1 << 1)
#define PSC_I2SSTAT_SR (1 << 0)
/* I2S Event Register.
*/
/* I2S Event Register. */
#define PSC_I2SEVNT_RR (1 << 13)
#define PSC_I2SEVNT_RO (1 << 12)
#define PSC_I2SEVNT_RU (1 << 11)
@ -305,8 +288,7 @@ typedef struct psc_i2s {
#define PSC_I2SEVNT_RD (1 << 5)
#define PSC_I2SEVNT_TD (1 << 4)
/* PSC in SPI Mode.
*/
/* PSC in SPI Mode. */
typedef struct psc_spi {
u32 psc_sel;
u32 psc_ctrl;
@ -318,8 +300,7 @@ typedef struct psc_spi {
u32 psc_spitxrx;
} psc_spi_t;
/* SPI Config Register.
*/
/* SPI Config Register. */
#define PSC_SPICFG_RT_MASK (3 << 30)
#define PSC_SPICFG_RT_FIFO1 (0 << 30)
#define PSC_SPICFG_RT_FIFO2 (1 << 30)
@ -355,8 +336,7 @@ typedef struct psc_spi {
#define PSC_SPICFG_MLF (1 << 1)
#define PSC_SPICFG_MO (1 << 0)
/* SPI Mask Register.
*/
/* SPI Mask Register. */
#define PSC_SPIMSK_MM (1 << 16)
#define PSC_SPIMSK_RR (1 << 13)
#define PSC_SPIMSK_RO (1 << 12)
@ -371,16 +351,14 @@ typedef struct psc_spi {
PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
PSC_SPIMSK_MD)
/* SPI Protocol Control Register.
*/
/* SPI Protocol Control Register. */
#define PSC_SPIPCR_RC (1 << 6)
#define PSC_SPIPCR_SP (1 << 5)
#define PSC_SPIPCR_SS (1 << 4)
#define PSC_SPIPCR_TC (1 << 2)
#define PSC_SPIPCR_MS (1 << 0)
/* SPI Status register (read only).
*/
/* SPI Status register (read only). */
#define PSC_SPISTAT_RF (1 << 13)
#define PSC_SPISTAT_RE (1 << 12)
#define PSC_SPISTAT_RR (1 << 11)
@ -393,8 +371,7 @@ typedef struct psc_spi {
#define PSC_SPISTAT_DR (1 << 1)
#define PSC_SPISTAT_SR (1 << 0)
/* SPI Event Register.
*/
/* SPI Event Register. */
#define PSC_SPIEVNT_MM (1 << 16)
#define PSC_SPIEVNT_RR (1 << 13)
#define PSC_SPIEVNT_RO (1 << 12)
@ -405,13 +382,11 @@ typedef struct psc_spi {
#define PSC_SPIEVNT_SD (1 << 5)
#define PSC_SPIEVNT_MD (1 << 4)
/* Transmit register control.
*/
/* Transmit register control. */
#define PSC_SPITXRX_LC (1 << 29)
#define PSC_SPITXRX_SR (1 << 28)
/* PSC in SMBus (I2C) Mode.
*/
/* PSC in SMBus (I2C) Mode. */
typedef struct psc_smb {
u32 psc_sel;
u32 psc_ctrl;
@ -424,8 +399,7 @@ typedef struct psc_smb {
u32 psc_smbtmr;
} psc_smb_t;
/* SMBus Config Register.
*/
/* SMBus Config Register. */
#define PSC_SMBCFG_RT_MASK (3 << 30)
#define PSC_SMBCFG_RT_FIFO1 (0 << 30)
#define PSC_SMBCFG_RT_FIFO2 (1 << 30)
@ -452,8 +426,7 @@ typedef struct psc_smb {
#define PSC_SMBCFG_SET_SLV(x) (((x) & 0x7f) << 1)
/* SMBus Mask Register.
*/
/* SMBus Mask Register. */
#define PSC_SMBMSK_DN (1 << 30)
#define PSC_SMBMSK_AN (1 << 29)
#define PSC_SMBMSK_AL (1 << 28)
@ -471,13 +444,11 @@ typedef struct psc_smb {
PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
PSC_SMBMSK_MD)
/* SMBus Protocol Control Register.
*/
/* SMBus Protocol Control Register. */
#define PSC_SMBPCR_DC (1 << 2)
#define PSC_SMBPCR_MS (1 << 0)
/* SMBus Status register (read only).
*/
/* SMBus Status register (read only). */
#define PSC_SMBSTAT_BB (1 << 28)
#define PSC_SMBSTAT_RF (1 << 13)
#define PSC_SMBSTAT_RE (1 << 12)
@ -491,8 +462,7 @@ typedef struct psc_smb {
#define PSC_SMBSTAT_DR (1 << 1)
#define PSC_SMBSTAT_SR (1 << 0)
/* SMBus Event Register.
*/
/* SMBus Event Register. */
#define PSC_SMBEVNT_DN (1 << 30)
#define PSC_SMBEVNT_AN (1 << 29)
#define PSC_SMBEVNT_AL (1 << 28)
@ -510,15 +480,13 @@ typedef struct psc_smb {
PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
PSC_SMBEVNT_MD)
/* Transmit register control.
*/
/* Transmit register control. */
#define PSC_SMBTXRX_RSR (1 << 28)
#define PSC_SMBTXRX_STP (1 << 29)
#define PSC_SMBTXRX_DATAMASK (0xff)
#define PSC_SMBTXRX_DATAMASK 0xff
/* SMBus protocol timers register.
*/
#define PSC_SMBTMR_SET_TH(x) (((x) & 0x3) << 30)
/* SMBus protocol timers register. */
#define PSC_SMBTMR_SET_TH(x) (((x) & 0x03) << 30)
#define PSC_SMBTMR_SET_PS(x) (((x) & 0x1f) << 25)
#define PSC_SMBTMR_SET_PU(x) (((x) & 0x1f) << 20)
#define PSC_SMBTMR_SET_SH(x) (((x) & 0x1f) << 15)
@ -526,5 +494,4 @@ typedef struct psc_smb {
#define PSC_SMBTMR_SET_CL(x) (((x) & 0x1f) << 5)
#define PSC_SMBTMR_SET_CH(x) (((x) & 0x1f) << 0)
#endif /* _AU1000_PSC_H_ */

41
include/asm-mips/mach-db1x00/db1200.h
View File

@ -1,6 +1,6 @@
/*
* AMD Alchemy DB1200 Referrence Board
* Board Registers defines.
* AMD Alchemy DBAu1200 Reference Board
* Board register defines.
*
* ########################################################################
*
@ -27,21 +27,20 @@
#include <linux/types.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
// This is defined in au1000.h with bogus value
#undef AU1X00_EXTERNAL_INT
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX
/* SPI and SMB are muxed on the Pb1200 board.
Refer to board documentation.
/*
* SPI and SMB are muxed on the DBAu1200 board.
* Refer to board documentation.
*/
#define SPI_PSC_BASE PSC0_BASE_ADDR
#define SMBUS_PSC_BASE PSC0_BASE_ADDR
/* AC97 and I2S are muxed on the Pb1200 board.
Refer to board documentation.
/*
* AC'97 and I2S are muxed on the DBAu1200 board.
* Refer to board documentation.
*/
#define AC97_PSC_BASE PSC1_BASE_ADDR
#define I2S_PSC_BASE PSC1_BASE_ADDR
@ -122,8 +121,8 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
#define BCSR_RESETS_DC 0x0004
#define BCSR_RESETS_IDE 0x0008
#define BCSR_RESETS_TV 0x0010
/* not resets but in the same register */
#define BCSR_RESETS_PWMR1mUX 0x0800
/* Not resets but in the same register */
#define BCSR_RESETS_PWMR1MUX 0x0800
#define BCSR_RESETS_PCS0MUX 0x1000
#define BCSR_RESETS_PCS1MUX 0x2000
#define BCSR_RESETS_SPISEL 0x4000
@ -182,7 +181,7 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
#define NAND_PHYS_ADDR 0x20000000
/*
* External Interrupts for Pb1200 as of 8/6/2004.
* External Interrupts for DBAu1200 as of 8/6/2004.
* Bit positions in the CPLD registers can be calculated by taking
* the interrupt define and subtracting the DB1200_INT_BEGIN value.
*
@ -211,23 +210,21 @@ enum external_pb1200_ints {
};
/* For drivers/pcmcia/au1000_db1x00.c */
/* PCMCIA Db1x00 specific defines */
/*
* DBAu1200 specific PCMCIA defines for drivers/pcmcia/au1000_db1x00.c
*/
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
#define SET_VCC_VPP(VCC, VPP, SLOT) \
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#define BOARD_PC0_INT DB1200_PC0_INT
#define BOARD_PC1_INT DB1200_PC1_INT
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1 << (8 + (2 * SOCKET)))
/* Nand chip select */
/* NAND chip select */
#define NAND_CS 1
#endif /* __ASM_DB1200_H */

39
include/asm-mips/mach-db1x00/db1x00.h
View File

@ -1,9 +1,8 @@
/*
* AMD Alchemy DB1x00 Reference Boards
* AMD Alchemy DBAu1x00 Reference Boards
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
*
* ########################################################################
@ -50,8 +49,8 @@
#endif
/*
* Overlay data structure of the Db1x00 board registers.
* Registers located at physical 0E0000xx, KSEG1 0xAE0000xx
* Overlay data structure of the DBAu1x00 board registers.
* Registers are located at physical 0E0000xx, KSEG1 0xAE0000xx.
*/
typedef volatile struct
{
@ -138,18 +137,19 @@ typedef volatile struct
#define BCSR_SWRESET_RESET 0x0080
/* PCMCIA Db1x00 specific defines */
/* PCMCIA DBAu1x00 specific defines */
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
/* SD controller macros */
/*
* Detect card.
* SD controller macros
*/
/* Detect card. */
#define mmc_card_inserted(_n_, _res_) \
do { \
BCSR * const bcsr = (BCSR *)0xAE000000; \
@ -190,10 +190,12 @@ typedef volatile struct
} while (0)
/* NAND defines */
/* Timing values as described in databook, * ns value stripped of
/*
* NAND defines
*
* Timing values as described in databook, * ns value stripped of the
* lower 2 bits.
* These defines are here rather than an SOC1550 generic file because
* These defines are here rather than an Au1550 generic file because
* the parts chosen on another board may be different and may require
* different timings.
*/
@ -208,16 +210,15 @@ typedef volatile struct
#define NAND_T_SU_SHIFT 8
#define NAND_T_WH_SHIFT 12
#define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
#define NAND_TIMING (((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT))
#define NAND_CS 1
/* should be done by yamon */
/* Should be done by YAMON */
#define NAND_STCFG 0x00400005 /* 8-bit NAND */
#define NAND_STTIME 0x00007774 /* valid for 396MHz SD=2 only */
#define NAND_STTIME 0x00007774 /* valid for 396 MHz SD=2 only */
#define NAND_STADDR 0x12000FFF /* physical address 0x20000000 */
#endif /* __ASM_DB1X00_H */

167
include/asm-mips/mach-pb1x00/pb1000.h
View File

@ -1,9 +1,8 @@
/*
* Alchemy Semi PB1000 Referrence Board
* Alchemy Semi Pb1000 Referrence Board
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* ########################################################################
*
@ -29,41 +28,40 @@
/* PCMCIA PB1000 specific defines */
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
#define PB1000_PCR 0xBE000000
# define PCR_SLOT_0_VPP0 (1<<0)
# define PCR_SLOT_0_VPP1 (1<<1)
# define PCR_SLOT_0_VCC0 (1<<2)
# define PCR_SLOT_0_VCC1 (1<<3)
# define PCR_SLOT_0_RST (1<<4)
# define PCR_SLOT_1_VPP0 (1<<8)
# define PCR_SLOT_1_VPP1 (1<<9)
# define PCR_SLOT_1_VCC0 (1<<10)
# define PCR_SLOT_1_VCC1 (1<<11)
# define PCR_SLOT_1_RST (1<<12)
# define PCR_SLOT_0_VPP0 (1 << 0)
# define PCR_SLOT_0_VPP1 (1 << 1)
# define PCR_SLOT_0_VCC0 (1 << 2)
# define PCR_SLOT_0_VCC1 (1 << 3)
# define PCR_SLOT_0_RST (1 << 4)
# define PCR_SLOT_1_VPP0 (1 << 8)
# define PCR_SLOT_1_VPP1 (1 << 9)
# define PCR_SLOT_1_VCC0 (1 << 10)
# define PCR_SLOT_1_VCC1 (1 << 11)
# define PCR_SLOT_1_RST (1 << 12)
#define PB1000_MDR 0xBE000004
# define MDR_PI (1<<5) /* pcmcia int latch */
# define MDR_EPI (1<<14) /* enable pcmcia int */
# define MDR_CPI (1<<15) /* clear pcmcia int */
# define MDR_PI (1 << 5) /* PCMCIA int latch */
# define MDR_EPI (1 << 14) /* enable PCMCIA int */
# define MDR_CPI (1 << 15) /* clear PCMCIA int */
#define PB1000_ACR1 0xBE000008
# define ACR1_SLOT_0_CD1 (1<<0) /* card detect 1 */
# define ACR1_SLOT_0_CD2 (1<<1) /* card detect 2 */
# define ACR1_SLOT_0_READY (1<<2) /* ready */
# define ACR1_SLOT_0_STATUS (1<<3) /* status change */
# define ACR1_SLOT_0_VS1 (1<<4) /* voltage sense 1 */
# define ACR1_SLOT_0_VS2 (1<<5) /* voltage sense 2 */
# define ACR1_SLOT_0_INPACK (1<<6) /* inpack pin status */
# define ACR1_SLOT_1_CD1 (1<<8) /* card detect 1 */
# define ACR1_SLOT_1_CD2 (1<<9) /* card detect 2 */
# define ACR1_SLOT_1_READY (1<<10) /* ready */
# define ACR1_SLOT_1_STATUS (1<<11) /* status change */
# define ACR1_SLOT_1_VS1 (1<<12) /* voltage sense 1 */
# define ACR1_SLOT_1_VS2 (1<<13) /* voltage sense 2 */
# define ACR1_SLOT_1_INPACK (1<<14) /* inpack pin status */
# define ACR1_SLOT_0_CD1 (1 << 0) /* card detect 1 */
# define ACR1_SLOT_0_CD2 (1 << 1) /* card detect 2 */
# define ACR1_SLOT_0_READY (1 << 2) /* ready */
# define ACR1_SLOT_0_STATUS (1 << 3) /* status change */
# define ACR1_SLOT_0_VS1 (1 << 4) /* voltage sense 1 */
# define ACR1_SLOT_0_VS2 (1 << 5) /* voltage sense 2 */
# define ACR1_SLOT_0_INPACK (1 << 6) /* inpack pin status */
# define ACR1_SLOT_1_CD1 (1 << 8) /* card detect 1 */
# define ACR1_SLOT_1_CD2 (1 << 9) /* card detect 2 */
# define ACR1_SLOT_1_READY (1 << 10) /* ready */
# define ACR1_SLOT_1_STATUS (1 << 11) /* status change */
# define ACR1_SLOT_1_VS1 (1 << 12) /* voltage sense 1 */
# define ACR1_SLOT_1_VS2 (1 << 13) /* voltage sense 2 */
# define ACR1_SLOT_1_INPACK (1 << 14) /* inpack pin status */
#define CPLD_AUX0 0xBE00000C
#define CPLD_AUX1 0xBE000010
@ -72,101 +70,18 @@
/* Voltage levels */
/* VPPEN1 - VPPEN0 */
#define VPP_GND ((0<<1) | (0<<0))
#define VPP_5V ((1<<1) | (0<<0))
#define VPP_3V ((0<<1) | (1<<0))
#define VPP_12V ((0<<1) | (1<<0))
#define VPP_HIZ ((1<<1) | (1<<0))
#define VPP_GND ((0 << 1) | (0 << 0))
#define VPP_5V ((1 << 1) | (0 << 0))
#define VPP_3V ((0 << 1) | (1 << 0))
#define VPP_12V ((0 << 1) | (1 << 0))
#define VPP_HIZ ((1 << 1) | (1 << 0))
/* VCCEN1 - VCCEN0 */
#define VCC_3V ((0<<1) | (1<<0))
#define VCC_5V ((1<<1) | (0<<0))
#define VCC_HIZ ((0<<1) | (0<<0))
#define VCC_3V ((0 << 1) | (1 << 0))
#define VCC_5V ((1 << 1) | (0 << 0))
#define VCC_HIZ ((0 << 1) | (0 << 0))
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
/* PCI PB1000 specific defines */
/* The reason these defines are here instead of au1000.h is because
* the Au1000 does not have a PCI bus controller so the PCI implementation
* on the some of the older Pb1000 boards was very board specific.
*/
#define PCI_CONFIG_BASE 0xBA020000 /* the only external slot */
#define SDRAM_DEVID 0xBA010000
#define SDRAM_CMD 0xBA010004
#define SDRAM_CLASS 0xBA010008
#define SDRAM_MISC 0xBA01000C
#define SDRAM_MBAR 0xBA010010
#define PCI_IO_DATA_PORT 0xBA800000
#define PCI_IO_ADDR 0xBE00001C
#define PCI_INT_ACK 0xBBC00000
#define PCI_IO_READ 0xBBC00020
#define PCI_IO_WRITE 0xBBC00030
#define PCI_BRIDGE_CONFIG 0xBE000018
#define PCI_IO_START 0x10000000
#define PCI_IO_END 0x1000ffff
#define PCI_MEM_START 0x18000000
#define PCI_MEM_END 0x18ffffff
#define PCI_FIRST_DEVFN 0
#define PCI_LAST_DEVFN 1
static inline u8 au_pci_io_readb(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
return (readl(PCI_IO_DATA_PORT) & 0xff);
}
static inline u16 au_pci_io_readw(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
return (readl(PCI_IO_DATA_PORT) & 0xffff);
}
static inline u32 au_pci_io_readl(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff), PCI_BRIDGE_CONFIG);
return readl(PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writeb(u8 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writew(u16 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writel(u32 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel(readl(PCI_BRIDGE_CONFIG) & 0xffffcfff, PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void set_sdram_extbyte(void)
{
writel(readl(PCI_BRIDGE_CONFIG) & 0xffffff00, PCI_BRIDGE_CONFIG);
}
static inline void set_slot_extbyte(void)
{
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffbf00) | 0x18, PCI_BRIDGE_CONFIG);
}
#define SET_VCC_VPP(VCC, VPP, SLOT) \
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#endif /* __ASM_PB1000_H */

76
include/asm-mips/mach-pb1x00/pb1100.h
View File

@ -1,9 +1,8 @@
/*
* Alchemy Semi PB1100 Referrence Board
* Alchemy Semi Pb1100 Referrence Board
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* ########################################################################
*
@ -29,57 +28,58 @@
#define PB1100_IDENT 0xAE000000
#define BOARD_STATUS_REG 0xAE000004
# define PB1100_ROM_SEL (1<<15)
# define PB1100_ROM_SIZ (1<<14)
# define PB1100_SWAP_BOOT (1<<13)
# define PB1100_FLASH_WP (1<<12)
# define PB1100_ROM_H_STS (1<<11)
# define PB1100_ROM_L_STS (1<<10)
# define PB1100_FLASH_H_STS (1<<9)
# define PB1100_FLASH_L_STS (1<<8)
# define PB1100_SRAM_SIZ (1<<7)
# define PB1100_TSC_BUSY (1<<6)
# define PB1100_PCMCIA_VS_MASK (3<<4)
# define PB1100_RS232_CD (1<<3)
# define PB1100_RS232_CTS (1<<2)
# define PB1100_RS232_DSR (1<<1)
# define PB1100_RS232_RI (1<<0)
# define PB1100_ROM_SEL (1 << 15)
# define PB1100_ROM_SIZ (1 << 14)
# define PB1100_SWAP_BOOT (1 << 13)
# define PB1100_FLASH_WP (1 << 12)
# define PB1100_ROM_H_STS (1 << 11)
# define PB1100_ROM_L_STS (1 << 10)
# define PB1100_FLASH_H_STS (1 << 9)
# define PB1100_FLASH_L_STS (1 << 8)
# define PB1100_SRAM_SIZ (1 << 7)
# define PB1100_TSC_BUSY (1 << 6)
# define PB1100_PCMCIA_VS_MASK (3 << 4)
# define PB1100_RS232_CD (1 << 3)
# define PB1100_RS232_CTS (1 << 2)
# define PB1100_RS232_DSR (1 << 1)
# define PB1100_RS232_RI (1 << 0)
#define PB1100_IRDA_RS232 0xAE00000C
# define PB1100_IRDA_FULL (0<<14) /* full power */
# define PB1100_IRDA_SHUTDOWN (1<<14)
# define PB1100_IRDA_TT (2<<14) /* 2/3 power */
# define PB1100_IRDA_OT (3<<14) /* 1/3 power */
# define PB1100_IRDA_FIR (1<<13)
# define PB1100_IRDA_FULL (0 << 14) /* full power */
# define PB1100_IRDA_SHUTDOWN (1 << 14)
# define PB1100_IRDA_TT (2 << 14) /* 2/3 power */
# define PB1100_IRDA_OT (3 << 14) /* 1/3 power */
# define PB1100_IRDA_FIR (1 << 13)
#define PCMCIA_BOARD_REG 0xAE000010
# define PB1100_SD_WP1_RO (1<<15) /* read only */
# define PB1100_SD_WP0_RO (1<<14) /* read only */
# define PB1100_SD_PWR1 (1<<11) /* applies power to SD1 */
# define PB1100_SD_PWR0 (1<<10) /* applies power to SD0 */
# define PB1100_SEL_SD_CONN1 (1<<9)
# define PB1100_SEL_SD_CONN0 (1<<8)
# define PC_DEASSERT_RST (1<<7)
# define PC_DRV_EN (1<<4)
# define PB1100_SD_WP1_RO (1 << 15) /* read only */
# define PB1100_SD_WP0_RO (1 << 14) /* read only */
# define PB1100_SD_PWR1 (1 << 11) /* applies power to SD1 */
# define PB1100_SD_PWR0 (1 << 10) /* applies power to SD0 */
# define PB1100_SEL_SD_CONN1 (1 << 9)
# define PB1100_SEL_SD_CONN0 (1 << 8)
# define PC_DEASSERT_RST (1 << 7)
# define PC_DRV_EN (1 << 4)
#define PB1100_G_CONTROL 0xAE000014 /* graphics control */
#define PB1100_RST_VDDI 0xAE00001C
# define PB1100_SOFT_RESET (1<<15) /* clear to reset the board */
# define PB1100_VDDI_MASK (0x1F)
# define PB1100_SOFT_RESET (1 << 15) /* clear to reset the board */
# define PB1100_VDDI_MASK 0x1F
#define PB1100_LEDS 0xAE000018
/* 11:8 is 4 discreet LEDs. Clearing a bit illuminates the LED.
/*
* 11:8 is 4 discreet LEDs. Clearing a bit illuminates the LED.
* 7:0 is the LED Display's decimal points.
*/
#define PB1100_HEX_LED 0xAE000018
/* PCMCIA PB1100 specific defines */
/* PCMCIA Pb1100 specific defines */
#define PCMCIA_MAX_SOCK 0
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP) (((VCC)<<2) | ((VPP)<<0))
#define SET_VCC_VPP(VCC, VPP) (((VCC) << 2) | ((VPP) << 0))
#endif /* __ASM_PB1100_H */

49
include/asm-mips/mach-pb1x00/pb1200.h
View File

@ -1,5 +1,5 @@
/*
* AMD Alchemy PB1200 Referrence Board
* AMD Alchemy Pb1200 Referrence Board
* Board Registers defines.
*
* ########################################################################
@ -27,21 +27,20 @@
#include <linux/types.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
// This is defined in au1000.h with bogus value
#undef AU1X00_EXTERNAL_INT
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX
/* SPI and SMB are muxed on the Pb1200 board.
Refer to board documentation.
/*
* SPI and SMB are muxed on the Pb1200 board.
* Refer to board documentation.
*/
#define SPI_PSC_BASE PSC0_BASE_ADDR
#define SMBUS_PSC_BASE PSC0_BASE_ADDR
/* AC97 and I2S are muxed on the Pb1200 board.
Refer to board documentation.
/*
* AC97 and I2S are muxed on the Pb1200 board.
* Refer to board documentation.
*/
#define AC97_PSC_BASE PSC1_BASE_ADDR
#define I2S_PSC_BASE PSC1_BASE_ADDR
@ -174,14 +173,6 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
#define BCSR_INT_SD1INSERT 0x4000
#define BCSR_INT_SD1EJECT 0x8000
/* PCMCIA Db1x00 specific defines */
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
#define SMC91C111_PHYS_ADDR 0x0D000300
#define SMC91C111_INT PB1200_ETH_INT
@ -194,9 +185,10 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
#define NAND_PHYS_ADDR 0x1C000000
/* Timing values as described in databook, * ns value stripped of
/*
* Timing values as described in databook, * ns value stripped of
* lower 2 bits.
* These defines are here rather than an SOC1200 generic file because
* These defines are here rather than an Au1200 generic file because
* the parts chosen on another board may be different and may require
* different timings.
*/
@ -211,11 +203,10 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
#define NAND_T_SU_SHIFT 8
#define NAND_T_WH_SHIFT 12
#define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
#define NAND_TIMING (((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT))
/*
* External Interrupts for Pb1200 as of 8/6/2004.
@ -248,13 +239,21 @@ enum external_pb1200_ints {
PB1200_INT_END = PB1200_INT_BEGIN + 15
};
/* For drivers/pcmcia/au1000_db1x00.c */
/*
* Pb1200 specific PCMCIA defines for drivers/pcmcia/au1000_db1x00.c
*/
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT) \
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#define BOARD_PC0_INT PB1200_PC0_INT
#define BOARD_PC1_INT PB1200_PC1_INT
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1 << (8 + (2 * SOCKET)))
/* Nand chip select */
/* NAND chip select */
#define NAND_CS 1
#endif /* __ASM_PB1200_H */

18
include/asm-mips/mach-pb1x00/pb1500.h
View File

@ -1,9 +1,8 @@
/*
* Alchemy Semi PB1500 Referrence Board
* Alchemy Semi Pb1500 Referrence Board
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* ########################################################################
*
@ -27,13 +26,12 @@
#ifndef __ASM_PB1500_H
#define __ASM_PB1500_H
#define IDENT_BOARD_REG 0xAE000000
#define BOARD_STATUS_REG 0xAE000004
#define PCI_BOARD_REG 0xAE000010
#define PCMCIA_BOARD_REG 0xAE000010
#define PC_DEASSERT_RST 0x80
#define PC_DRV_EN 0x10
# define PC_DEASSERT_RST 0x80
# define PC_DRV_EN 0x10
#define PB1500_G_CONTROL 0xAE000014
#define PB1500_RST_VDDI 0xAE00001C
#define PB1500_LEDS 0xAE000018
@ -41,11 +39,11 @@
#define PB1500_HEX_LED 0xAF000004
#define PB1500_HEX_LED_BLANK 0xAF000008
/* PCMCIA PB1500 specific defines */
/* PCMCIA Pb1500 specific defines */
#define PCMCIA_MAX_SOCK 0
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP) (((VCC)<<2) | ((VPP)<<0))
#define SET_VCC_VPP(VCC, VPP) (((VCC) << 2) | ((VPP) << 0))
#endif /* __ASM_PB1500_H */

17
include/asm-mips/mach-pb1x00/pb1550.h
View File

@ -130,11 +130,11 @@ static BCSR * const bcsr = (BCSR *)BCSR_PHYS_ADDR;
#define BCSR_SYSTEM_RESET 0x8000
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
#define SET_VCC_VPP(VCC, VPP, SLOT) \
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#if defined(CONFIG_MTD_PB1550_BOOT) && defined(CONFIG_MTD_PB1550_USER)
#define PB1550_BOTH_BANKS
@ -144,7 +144,8 @@ static BCSR * const bcsr = (BCSR *)BCSR_PHYS_ADDR;
#define PB1550_USER_ONLY
#endif
/* Timing values as described in databook, * ns value stripped of
/*
* Timing values as described in databook, * ns value stripped of
* lower 2 bits.
* These defines are here rather than an SOC1550 generic file because
* the parts chosen on another board may be different and may require
@ -161,16 +162,16 @@ static BCSR * const bcsr = (BCSR *)BCSR_PHYS_ADDR;
#define NAND_T_SU_SHIFT 8
#define NAND_T_WH_SHIFT 12
#define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
#define NAND_TIMING (((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT))
#define NAND_CS 1
/* should be done by yamon */
/* Should be done by YAMON */
#define NAND_STCFG 0x00400005 /* 8-bit NAND */
#define NAND_STTIME 0x00007774 /* valid for 396MHz SD=2 only */
#define NAND_STTIME 0x00007774 /* valid for 396 MHz SD=2 only */
#define NAND_STADDR 0x12000FFF /* physical address 0x20000000 */
#endif /* __ASM_PB1550_H */

4
include/asm-mips/rtlx.h
View File

@ -29,13 +29,13 @@ extern unsigned int rtlx_read_poll(int index, int can_sleep);
extern unsigned int rtlx_write_poll(int index);
enum rtlx_state {
RTLX_STATE_UNUSED,
RTLX_STATE_UNUSED = 0,
RTLX_STATE_INITIALISED,
RTLX_STATE_REMOTE_READY,
RTLX_STATE_OPENED
};
#define RTLX_BUFFER_SIZE 1024
#define RTLX_BUFFER_SIZE 2048
/* each channel supports read and write.
linux (vpe0) reads lx_buffer and writes rt_buffer