#include <linux/init.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
#include <asm/system.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/leds.h>
-#include <asm/hardware/amba.h>
-#include <asm/hardware/amba_clcd.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/icst307.h>
+#include <asm/hardware/vic.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE)
#define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE)
-static void vic_mask_irq(unsigned int irq)
-{
- irq -= IRQ_VIC_START;
- writel(1 << irq, VA_VIC_BASE + VIC_IRQ_ENABLE_CLEAR);
-}
-
-static void vic_unmask_irq(unsigned int irq)
-{
- irq -= IRQ_VIC_START;
- writel(1 << irq, VA_VIC_BASE + VIC_IRQ_ENABLE);
-}
-
-static struct irqchip vic_chip = {
- .ack = vic_mask_irq,
- .mask = vic_mask_irq,
- .unmask = vic_unmask_irq,
-};
-
static void sic_mask_irq(unsigned int irq)
{
irq -= IRQ_SIC_START;
void __init versatile_init_irq(void)
{
- unsigned int i, value;
-
- /* Disable all interrupts initially. */
-
- writel(0, VA_VIC_BASE + VIC_INT_SELECT);
- writel(0, VA_VIC_BASE + VIC_IRQ_ENABLE);
- writel(~0, VA_VIC_BASE + VIC_IRQ_ENABLE_CLEAR);
- writel(0, VA_VIC_BASE + VIC_IRQ_STATUS);
- writel(0, VA_VIC_BASE + VIC_ITCR);
- writel(~0, VA_VIC_BASE + VIC_IRQ_SOFT_CLEAR);
-
- /*
- * Make sure we clear all existing interrupts
- */
- writel(0, VA_VIC_BASE + VIC_VECT_ADDR);
- for (i = 0; i < 19; i++) {
- value = readl(VA_VIC_BASE + VIC_VECT_ADDR);
- writel(value, VA_VIC_BASE + VIC_VECT_ADDR);
- }
-
- for (i = 0; i < 16; i++) {
- value = readl(VA_VIC_BASE + VIC_VECT_CNTL0 + (i * 4));
- writel(value | VICVectCntl_Enable | i, VA_VIC_BASE + VIC_VECT_CNTL0 + (i * 4));
- }
+ unsigned int i;
- writel(32, VA_VIC_BASE + VIC_DEF_VECT_ADDR);
-
- for (i = IRQ_VIC_START; i <= IRQ_VIC_END; i++) {
- if (i != IRQ_VICSOURCE31) {
- set_irq_chip(i, &vic_chip);
- set_irq_handler(i, do_level_IRQ);
- set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
- }
- }
+ vic_init(VA_VIC_BASE, ~(1 << 31));
set_irq_handler(IRQ_VICSOURCE31, sic_handle_irq);
- vic_unmask_irq(IRQ_VICSOURCE31);
+ enable_irq(IRQ_VICSOURCE31);
/* Do second interrupt controller */
writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
}
static struct map_desc versatile_io_desc[] __initdata = {
- { IO_ADDRESS(VERSATILE_SYS_BASE), VERSATILE_SYS_BASE, SZ_4K, MT_DEVICE },
- { IO_ADDRESS(VERSATILE_SIC_BASE), VERSATILE_SIC_BASE, SZ_4K, MT_DEVICE },
- { IO_ADDRESS(VERSATILE_VIC_BASE), VERSATILE_VIC_BASE, SZ_4K, MT_DEVICE },
- { IO_ADDRESS(VERSATILE_SCTL_BASE), VERSATILE_SCTL_BASE, SZ_4K * 9, MT_DEVICE },
+ {
+ .virtual = IO_ADDRESS(VERSATILE_SYS_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_SYS_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ }, {
+ .virtual = IO_ADDRESS(VERSATILE_SIC_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_SIC_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ }, {
+ .virtual = IO_ADDRESS(VERSATILE_VIC_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_VIC_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ }, {
+ .virtual = IO_ADDRESS(VERSATILE_SCTL_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_SCTL_BASE),
+ .length = SZ_4K * 9,
+ .type = MT_DEVICE
+ },
#ifdef CONFIG_MACH_VERSATILE_AB
- { IO_ADDRESS(VERSATILE_GPIO0_BASE), VERSATILE_GPIO0_BASE, SZ_4K, MT_DEVICE },
- { IO_ADDRESS(VERSATILE_IB2_BASE), VERSATILE_IB2_BASE, SZ_64M, MT_DEVICE },
+ {
+ .virtual = IO_ADDRESS(VERSATILE_GPIO0_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_GPIO0_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ }, {
+ .virtual = IO_ADDRESS(VERSATILE_IB2_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_IB2_BASE),
+ .length = SZ_64M,
+ .type = MT_DEVICE
+ },
#endif
#ifdef CONFIG_DEBUG_LL
- { IO_ADDRESS(VERSATILE_UART0_BASE), VERSATILE_UART0_BASE, SZ_4K, MT_DEVICE },
+ {
+ .virtual = IO_ADDRESS(VERSATILE_UART0_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_UART0_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ },
#endif
#ifdef CONFIG_PCI
- { IO_ADDRESS(VERSATILE_PCI_CORE_BASE), VERSATILE_PCI_CORE_BASE, SZ_4K, MT_DEVICE },
- { VERSATILE_PCI_VIRT_BASE, VERSATILE_PCI_BASE, VERSATILE_PCI_BASE_SIZE, MT_DEVICE },
- { VERSATILE_PCI_CFG_VIRT_BASE, VERSATILE_PCI_CFG_BASE, VERSATILE_PCI_CFG_BASE_SIZE, MT_DEVICE },
+ {
+ .virtual = IO_ADDRESS(VERSATILE_PCI_CORE_BASE),
+ .pfn = __phys_to_pfn(VERSATILE_PCI_CORE_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VERSATILE_PCI_VIRT_BASE,
+ .pfn = __phys_to_pfn(VERSATILE_PCI_BASE),
+ .length = VERSATILE_PCI_BASE_SIZE,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VERSATILE_PCI_CFG_VIRT_BASE,
+ .pfn = __phys_to_pfn(VERSATILE_PCI_CFG_BASE),
+ .length = VERSATILE_PCI_CFG_BASE_SIZE,
+ .type = MT_DEVICE
+ },
#if 0
- { VERSATILE_PCI_VIRT_MEM_BASE0, VERSATILE_PCI_MEM_BASE0, SZ_16M, MT_DEVICE },
- { VERSATILE_PCI_VIRT_MEM_BASE1, VERSATILE_PCI_MEM_BASE1, SZ_16M, MT_DEVICE },
- { VERSATILE_PCI_VIRT_MEM_BASE2, VERSATILE_PCI_MEM_BASE2, SZ_16M, MT_DEVICE },
+ {
+ .virtual = VERSATILE_PCI_VIRT_MEM_BASE0,
+ .pfn = __phys_to_pfn(VERSATILE_PCI_MEM_BASE0),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VERSATILE_PCI_VIRT_MEM_BASE1,
+ .pfn = __phys_to_pfn(VERSATILE_PCI_MEM_BASE1),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VERSATILE_PCI_VIRT_MEM_BASE2,
+ .pfn = __phys_to_pfn(VERSATILE_PCI_MEM_BASE2),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
#endif
#endif
};
ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
do {
ticks1 = ticks2;
- status = __raw_readl(VA_IC_BASE + VIC_IRQ_RAW_STATUS);
+ status = __raw_readl(VA_IC_BASE + VIC_RAW_STATUS);
ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
} while (ticks2 > ticks1);
projects / linux-2.6-omap-h63xx.git / blobdiff