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linux/arch/arm/mach-pxa/trizeps4.c
Russell King 386b0ce25a [ARM] Remove empty fixup function 
Empty fixup functions are just a waste of code, and are not
necessary.  Remote them.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-13 14:48:36 +00:00

474 lines
12 KiB
C
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/*
* linux/arch/arm/mach-pxa/trizeps4.c
*
* Support for the Keith und Koep Trizeps4 Module Platform.
*
* Author: Jürgen Schindele
* Created: 20 02, 2006
* Copyright: Jürgen Schindele
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/serial_8250.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/trizeps4.h>
#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>
#include "generic.h"
/********************************************************************************************
* ONBOARD FLASH
********************************************************************************************/
static struct mtd_partition trizeps4_partitions[] = {
{
.name = "Bootloader",
.size = 0x00040000,
.offset = 0,
.mask_flags = MTD_WRITEABLE /* force read-only */
},{
.name = "Kernel",
.size = 0x00400000,
.offset = 0x00040000
},{
.name = "Filesystem",
.size = MTDPART_SIZ_FULL,
.offset = 0x00440000
}
};
static struct flash_platform_data trizeps4_flash_data[] = {
{
.map_name = "cfi_probe",
.parts = trizeps4_partitions,
.nr_parts = ARRAY_SIZE(trizeps4_partitions)
}
};
static struct resource flash_resource = {
.start = PXA_CS0_PHYS,
.end = PXA_CS0_PHYS + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "pxa2xx-flash",
.id = 0,
.dev = {
.platform_data = &trizeps4_flash_data,
},
.resource = &flash_resource,
.num_resources = 1,
};
/********************************************************************************************
* DAVICOM DM9000 Ethernet
********************************************************************************************/
static struct resource dm9000_resources[] = {
[0] = {
.start = TRIZEPS4_ETH_PHYS+0x300,
.end = TRIZEPS4_ETH_PHYS+0x400-1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = TRIZEPS4_ETH_PHYS+0x8300,
.end = TRIZEPS4_ETH_PHYS+0x8400-1,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = TRIZEPS4_ETH_IRQ,
.end = TRIZEPS4_ETH_IRQ,
.flags = (IORESOURCE_IRQ | IRQT_RISING),
},
};
static struct platform_device dm9000_device = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(dm9000_resources),
.resource = dm9000_resources,
};
/********************************************************************************************
* PXA270 serial ports
********************************************************************************************/
static struct plat_serial8250_port tri_serial_ports[] = {
#ifdef CONFIG_SERIAL_PXA
/* this uses the own PXA driver */
{
0,
},
#else
/* this uses the generic 8520 driver */
[0] = {
.membase = (void *)&FFUART,
.irq = IRQ_FFUART,
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM32,
.regshift = 2,
.uartclk = (921600*16),
},
[1] = {
.membase = (void *)&BTUART,
.irq = IRQ_BTUART,
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM32,
.regshift = 2,
.uartclk = (921600*16),
},
{
0,
},
#endif
};
static struct platform_device uart_devices = {
.name = "serial8250",
.id = 0,
.dev = {
.platform_data = tri_serial_ports,
},
.num_resources = 0,
.resource = NULL,
};
/********************************************************************************************
* PXA270 ac97 sound codec
********************************************************************************************/
static struct platform_device ac97_audio_device = {
.name = "pxa2xx-ac97",
.id = -1,
};
static struct platform_device * trizeps4_devices[] __initdata = {
&flash_device,
&uart_devices,
&dm9000_device,
&ac97_audio_device,
};
#ifdef CONFIG_MACH_TRIZEPS4_CONXS
static short trizeps_conxs_bcr;
/* PCCARD power switching supports only 3,3V */
void board_pcmcia_power(int power)
{
if (power) {
/* switch power on, put in reset and enable buffers */
trizeps_conxs_bcr |= power;
trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
ConXS_BCR = trizeps_conxs_bcr;
/* wait a little */
udelay(2000);
/* take reset away */
trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
ConXS_BCR = trizeps_conxs_bcr;
udelay(2000);
} else {
/* put in reset */
trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
ConXS_BCR = trizeps_conxs_bcr;
udelay(1000);
/* switch power off */
trizeps_conxs_bcr &= ~(0xf);
ConXS_BCR = trizeps_conxs_bcr;
}
pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
}
/* backlight power switching for LCD panel */
static void board_backlight_power(int on)
{
if (on) {
trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
} else {
trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
}
pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
ConXS_BCR = trizeps_conxs_bcr;
}
/* Powersupply for MMC/SD cardslot */
static void board_mci_power(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
if (( 1 << vdd) & p_d->ocr_mask) {
pr_debug("%s: on\n", __FUNCTION__);
/* FIXME fill in values here */
} else {
pr_debug("%s: off\n", __FUNCTION__);
/* FIXME fill in values here */
}
}
static short trizeps_conxs_ircr;
/* Switch modes and Power for IRDA receiver */
static void board_irda_mode(struct device *dev, int mode)
{
unsigned long flags;
local_irq_save(flags);
if (mode & IR_SIRMODE) {
/* Slow mode */
trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
} else if (mode & IR_FIRMODE) {
/* Fast mode */
trizeps_conxs_ircr |= ConXS_IRCR_MODE;
}
if (mode & IR_OFF) {
trizeps_conxs_ircr |= ConXS_IRCR_SD;
} else {
trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
}
/* FIXME write values to register */
local_irq_restore(flags);
}
#else
/* for other baseboards define dummies */
void board_pcmcia_power(int power) {;}
#define board_backlight_power NULL
#define board_mci_power NULL
#define board_irda_mode NULL
#endif /* CONFIG_MACH_TRIZEPS4_CONXS */
EXPORT_SYMBOL(board_pcmcia_power);
static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
{
int err;
/* setup GPIO for PXA27x MMC controller */
pxa_gpio_mode(GPIO32_MMCCLK_MD);
pxa_gpio_mode(GPIO112_MMCCMD_MD);
pxa_gpio_mode(GPIO92_MMCDAT0_MD);
pxa_gpio_mode(GPIO109_MMCDAT1_MD);
pxa_gpio_mode(GPIO110_MMCDAT2_MD);
pxa_gpio_mode(GPIO111_MMCDAT3_MD);
pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING,
"MMC card detect", data);
if (err) {
printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
return -1;
}
return 0;
}
static void trizeps4_mci_exit(struct device *dev, void *data)
{
free_irq(TRIZEPS4_MMC_IRQ, data);
}
static struct pxamci_platform_data trizeps4_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.init = trizeps4_mci_init,
.exit = trizeps4_mci_exit,
.setpower = board_mci_power,
};
static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
.transceiver_mode = board_irda_mode,
};
static int trizeps4_ohci_init(struct device *dev)
{
/* setup Port1 GPIO pin. */
pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
/* Set the Power Control Polarity Low and Power Sense
Polarity Low to active low. */
UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
return 0;
}
static void trizeps4_ohci_exit(struct device *dev)
{
;
}
static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
.port_mode = PMM_PERPORT_MODE,
.init = trizeps4_ohci_init,
.exit = trizeps4_ohci_exit,
};
static struct map_desc trizeps4_io_desc[] __initdata = {
{ /* ConXS CFSR */
.virtual = TRIZEPS4_CFSR_VIRT,
.pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
.length = 0x00001000,
.type = MT_DEVICE
},
{ /* ConXS BCR */
.virtual = TRIZEPS4_BOCR_VIRT,
.pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
.length = 0x00001000,
.type = MT_DEVICE
},
{ /* ConXS IRCR */
.virtual = TRIZEPS4_IRCR_VIRT,
.pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
.length = 0x00001000,
.type = MT_DEVICE
},
{ /* ConXS DCR */
.virtual = TRIZEPS4_DICR_VIRT,
.pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
.length = 0x00001000,
.type = MT_DEVICE
},
{ /* ConXS UPSR */
.virtual = TRIZEPS4_UPSR_VIRT,
.pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
.length = 0x00001000,
.type = MT_DEVICE
}
};
static struct pxafb_mode_info sharp_lcd_mode = {
.pixclock = 78000,
.xres = 640,
.yres = 480,
.bpp = 8,
.hsync_len = 4,
.left_margin = 4,
.right_margin = 4,
.vsync_len = 2,
.upper_margin = 0,
.lower_margin = 0,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.cmap_greyscale = 0,
};
static struct pxafb_mach_info sharp_lcd = {
.modes = &sharp_lcd_mode,
.num_modes = 1,
.cmap_inverse = 0,
.cmap_static = 0,
.lccr0 = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
.lccr3 = 0x0340ff02,
.pxafb_backlight_power = board_backlight_power,
};
static void __init trizeps4_init(void)
{
platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
set_pxa_fb_info(&sharp_lcd);
pxa_set_mci_info(&trizeps4_mci_platform_data);
pxa_set_ficp_info(&trizeps4_ficp_platform_data);
pxa_set_ohci_info(&trizeps4_ohci_platform_data);
}
static void __init trizeps4_map_io(void)
{
pxa_map_io();
iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
/* for DiskOnChip */
pxa_gpio_mode(GPIO15_nCS_1_MD);
/* for off-module PIC on ConXS board */
pxa_gpio_mode(GPIO_PIC | GPIO_IN);
/* UCB1400 irq */
pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
/* for DM9000 LAN */
pxa_gpio_mode(GPIO78_nCS_2_MD);
pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
/* for PCMCIA device */
pxa_gpio_mode(GPIO_PCD | GPIO_IN);
pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
/* for I2C adapter */
pxa_gpio_mode(GPIO117_I2CSCL_MD);
pxa_gpio_mode(GPIO118_I2CSDA_MD);
/* MMC_DET s.o. */
pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
/* whats that for ??? */
pxa_gpio_mode(GPIO79_nCS_3_MD);
pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */
pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */
#ifdef CONFIG_MACH_TRIZEPS4_CONXS
#ifdef CONFIG_IDE_PXA_CF
/* if boot direct from compact flash dont disable power */
trizeps_conxs_bcr = 0x0009;
#else
/* this is the reset value */
trizeps_conxs_bcr = 0x00A0;
#endif
ConXS_BCR = trizeps_conxs_bcr;
#endif
PWER = 0x00000002;
PFER = 0x00000000;
PRER = 0x00000002;
PGSR0 = 0x0158C000;
PGSR1 = 0x00FF0080;
PGSR2 = 0x0001C004;
/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
PCFR |= PCFR_OPDE;
}
MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
/* MAINTAINER("Jürgen Schindele") */
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
.init_machine = trizeps4_init,
.map_io = trizeps4_map_io,
.init_irq = pxa_init_irq,
.timer = &pxa_timer,
MACHINE_END
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