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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 3711/1: AT91 timer update
  [ARM] 3709/1: pnx4008: convert to generic irq subsystem
  [ARM] 3710/1: AT91 Serial: Use GPIO API
This commit is contained in:
Linus Torvalds 2006-07-05 13:03:18 -07:00
commit 887e5d5fcc
9 changed files with 82 additions and 87 deletions
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45
arch/arm/mach-at91rm9200/at91rm9200.c
View File

@ -107,3 +107,48 @@ void __init at91rm9200_map_io(void)
iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc));
}
/*
* The default interrupt priority levels (0 = lowest, 7 = highest).
*/
static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
7, /* Advanced Interrupt Controller (FIQ) */
7, /* System Peripherals */
0, /* Parallel IO Controller A */
0, /* Parallel IO Controller B */
0, /* Parallel IO Controller C */
0, /* Parallel IO Controller D */
6, /* USART 0 */
6, /* USART 1 */
6, /* USART 2 */
6, /* USART 3 */
0, /* Multimedia Card Interface */
4, /* USB Device Port */
0, /* Two-Wire Interface */
6, /* Serial Peripheral Interface */
5, /* Serial Synchronous Controller 0 */
5, /* Serial Synchronous Controller 1 */
5, /* Serial Synchronous Controller 2 */
0, /* Timer Counter 0 */
0, /* Timer Counter 1 */
0, /* Timer Counter 2 */
0, /* Timer Counter 3 */
0, /* Timer Counter 4 */
0, /* Timer Counter 5 */
3, /* USB Host port */
3, /* Ethernet MAC */
0, /* Advanced Interrupt Controller (IRQ0) */
0, /* Advanced Interrupt Controller (IRQ1) */
0, /* Advanced Interrupt Controller (IRQ2) */
0, /* Advanced Interrupt Controller (IRQ3) */
0, /* Advanced Interrupt Controller (IRQ4) */
0, /* Advanced Interrupt Controller (IRQ5) */
0 /* Advanced Interrupt Controller (IRQ6) */
};
void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS])
{
if (!priority)
priority = at91rm9200_default_irq_priority;
at91_aic_init(priority);
}

8
arch/arm/mach-at91rm9200/generic.h
View File

@ -8,13 +8,19 @@
* published by the Free Software Foundation.
*/
void at91_gpio_irq_setup(unsigned banks);
/* Interrupts */
extern void __init at91rm9200_init_irq(unsigned int priority[]);
extern void __init at91_aic_init(unsigned int priority[]);
extern void __init at91_gpio_irq_setup(unsigned banks);
/* Timer */
struct sys_timer;
extern struct sys_timer at91rm9200_timer;
/* Memory Map */
extern void __init at91rm9200_map_io(void);
/* Clocks */
extern int __init at91_clock_init(unsigned long main_clock);
struct device;
extern void __init at91_clock_associate(const char *id, struct device *dev, const char *func);

70
arch/arm/mach-at91rm9200/irq.c
View File

@ -36,58 +36,20 @@
#include "generic.h"
/*
* The default interrupt priority levels (0 = lowest, 7 = highest).
*/
static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
7, /* Advanced Interrupt Controller */
7, /* System Peripheral */
0, /* Parallel IO Controller A */
0, /* Parallel IO Controller B */
0, /* Parallel IO Controller C */
0, /* Parallel IO Controller D */
6, /* USART 0 */
6, /* USART 1 */
6, /* USART 2 */
6, /* USART 3 */
0, /* Multimedia Card Interface */
4, /* USB Device Port */
0, /* Two-Wire Interface */
6, /* Serial Peripheral Interface */
5, /* Serial Synchronous Controller */
5, /* Serial Synchronous Controller */
5, /* Serial Synchronous Controller */
0, /* Timer Counter 0 */
0, /* Timer Counter 1 */
0, /* Timer Counter 2 */
0, /* Timer Counter 3 */
0, /* Timer Counter 4 */
0, /* Timer Counter 5 */
3, /* USB Host port */
3, /* Ethernet MAC */
0, /* Advanced Interrupt Controller */
0, /* Advanced Interrupt Controller */
0, /* Advanced Interrupt Controller */
0, /* Advanced Interrupt Controller */
0, /* Advanced Interrupt Controller */
0, /* Advanced Interrupt Controller */
0 /* Advanced Interrupt Controller */
};
static void at91rm9200_mask_irq(unsigned int irq)
static void at91_aic_mask_irq(unsigned int irq)
{
/* Disable interrupt on AIC */
at91_sys_write(AT91_AIC_IDCR, 1 << irq);
}
static void at91rm9200_unmask_irq(unsigned int irq)
static void at91_aic_unmask_irq(unsigned int irq)
{
/* Enable interrupt on AIC */
at91_sys_write(AT91_AIC_IECR, 1 << irq);
}
static int at91rm9200_irq_type(unsigned irq, unsigned type)
static int at91_aic_set_type(unsigned irq, unsigned type)
{
unsigned int smr, srctype;
@ -122,7 +84,7 @@ static int at91rm9200_irq_type(unsigned irq, unsigned type)
static u32 wakeups;
static u32 backups;
static int at91rm9200_irq_set_wake(unsigned irq, unsigned value)
static int at91_aic_set_wake(unsigned irq, unsigned value)
{
if (unlikely(irq >= 32))
return -EINVAL;
@ -149,28 +111,24 @@ void at91_irq_resume(void)
}
#else
#define at91rm9200_irq_set_wake NULL
#define at91_aic_set_wake NULL
#endif
static struct irqchip at91rm9200_irq_chip = {
.ack = at91rm9200_mask_irq,
.mask = at91rm9200_mask_irq,
.unmask = at91rm9200_unmask_irq,
.set_type = at91rm9200_irq_type,
.set_wake = at91rm9200_irq_set_wake,
static struct irqchip at91_aic_chip = {
.ack = at91_aic_mask_irq,
.mask = at91_aic_mask_irq,
.unmask = at91_aic_unmask_irq,
.set_type = at91_aic_set_type,
.set_wake = at91_aic_set_wake,
};
/*
* Initialize the AIC interrupt controller.
*/
void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS])
void __init at91_aic_init(unsigned int priority[NR_AIC_IRQS])
{
unsigned int i;
/* No priority list specified for this board -> use defaults */
if (priority == NULL)
priority = at91rm9200_default_irq_priority;
/*
* The IVR is used by macro get_irqnr_and_base to read and verify.
* The irq number is NR_AIC_IRQS when a spurious interrupt has occurred.
@ -178,10 +136,10 @@ void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS])
for (i = 0; i < NR_AIC_IRQS; i++) {
/* Put irq number in Source Vector Register: */
at91_sys_write(AT91_AIC_SVR(i), i);
/* Store the Source Mode Register as defined in table above */
/* Active Low interrupt, with the specified priority */
at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]);
set_irq_chip(i, &at91rm9200_irq_chip);
set_irq_chip(i, &at91_aic_chip);
set_irq_handler(i, do_level_IRQ);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);

2
arch/arm/mach-pnx4008/core.c
View File

@ -27,7 +27,6 @@
#include <linux/spi/spi.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@ -36,7 +35,6 @@
#include <asm/system.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>

1
arch/arm/mach-pnx4008/dma.c
View File

@ -23,7 +23,6 @@
#include <linux/clk.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/hardware.h>
#include <asm/dma.h>
#include <asm/dma-mapping.h>

22
arch/arm/mach-pnx4008/irq.c
View File

@ -22,8 +22,8 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/device.h>
#include <linux/irq.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@ -96,26 +96,24 @@ void __init pnx4008_init_irq(void)
{
unsigned int i;
/* configure and enable IRQ 0,1,30,31 (cascade interrupts) mask all others */
/* configure IRQ's */
for (i = 0; i < NR_IRQS; i++) {
set_irq_flags(i, IRQF_VALID);
set_irq_chip(i, &pnx4008_irq_chip);
pnx4008_set_irq_type(i, pnx4008_irq_type[i]);
}
/* configure and enable IRQ 0,1,30,31 (cascade interrupts) */
pnx4008_set_irq_type(SUB1_IRQ_N, pnx4008_irq_type[SUB1_IRQ_N]);
pnx4008_set_irq_type(SUB2_IRQ_N, pnx4008_irq_type[SUB2_IRQ_N]);
pnx4008_set_irq_type(SUB1_FIQ_N, pnx4008_irq_type[SUB1_FIQ_N]);
pnx4008_set_irq_type(SUB2_FIQ_N, pnx4008_irq_type[SUB2_FIQ_N]);
/* mask all others */
__raw_writel((1 << SUB2_FIQ_N) | (1 << SUB1_FIQ_N) |
(1 << SUB2_IRQ_N) | (1 << SUB1_IRQ_N),
INTC_ER(MAIN_BASE_INT));
__raw_writel(0, INTC_ER(SIC1_BASE_INT));
__raw_writel(0, INTC_ER(SIC2_BASE_INT));
/* configure all other IRQ's */
for (i = 0; i < NR_IRQS; i++) {
if (i == SUB2_FIQ_N || i == SUB1_FIQ_N ||
i == SUB2_IRQ_N || i == SUB1_IRQ_N)
continue;
set_irq_flags(i, IRQF_VALID);
set_irq_chip(i, &pnx4008_irq_chip);
pnx4008_set_irq_type(i, pnx4008_irq_type[i]);
}
}

8
arch/arm/mach-pnx4008/time.c
View File

@ -20,17 +20,15 @@
#include <linux/spinlock.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/irq.h>
#include <asm/system.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/leds.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <asm/errno.h>
/*! Note: all timers are UPCOUNTING */

5
drivers/serial/at91_serial.c
View File

@ -41,6 +41,7 @@
#include <asm/mach/serial_at91.h>
#include <asm/arch/board.h>
#include <asm/arch/system.h>
#include <asm/arch/gpio.h>
#if defined(CONFIG_SERIAL_AT91_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
@ -140,9 +141,9 @@ static void at91_set_mctrl(struct uart_port *port, u_int mctrl)
*/
if (port->mapbase == AT91_BASE_US0) {
if (mctrl & TIOCM_RTS)
at91_sys_write(AT91_PIOA + PIO_CODR, AT91_PA21_RTS0);
at91_set_gpio_value(AT91_PIN_PA21, 0);
else
at91_sys_write(AT91_PIOA + PIO_SODR, AT91_PA21_RTS0);
at91_set_gpio_value(AT91_PIN_PA21, 1);
}
}

8
include/asm-arm/arch-at91rm9200/irqs.h
View File

@ -39,12 +39,4 @@
*/
#define NR_IRQS (NR_AIC_IRQS + (4 * 32))
#ifndef __ASSEMBLY__
/*
* Initialize the IRQ controller.
*/
extern void at91rm9200_init_irq(unsigned int priority[]);
#endif
#endif