|
@@ -1,11 +1,13 @@
|
|
|
-/* arch/arm/plat-s3c64xx/irq-eint.c
|
|
|
+/*
|
|
|
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
|
|
|
+ * http://www.samsung.com
|
|
|
*
|
|
|
* Copyright 2008 Openmoko, Inc.
|
|
|
* Copyright 2008 Simtec Electronics
|
|
|
- * Ben Dooks <ben@simtec.co.uk>
|
|
|
- * http://armlinux.simtec.co.uk/
|
|
|
+ * Ben Dooks <ben@simtec.co.uk>
|
|
|
+ * http://armlinux.simtec.co.uk/
|
|
|
*
|
|
|
- * S3C64XX - Interrupt handling for IRQ_EINT(x)
|
|
|
+ * Common Codes for S3C64XX machines
|
|
|
*
|
|
|
* 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
|
|
@@ -13,21 +15,182 @@
|
|
|
*/
|
|
|
|
|
|
#include <linux/kernel.h>
|
|
|
+#include <linux/init.h>
|
|
|
+#include <linux/module.h>
|
|
|
#include <linux/interrupt.h>
|
|
|
+#include <linux/ioport.h>
|
|
|
#include <linux/sysdev.h>
|
|
|
-#include <linux/gpio.h>
|
|
|
-#include <linux/irq.h>
|
|
|
+#include <linux/serial_core.h>
|
|
|
+#include <linux/platform_device.h>
|
|
|
#include <linux/io.h>
|
|
|
+#include <linux/dma-mapping.h>
|
|
|
+#include <linux/irq.h>
|
|
|
+#include <linux/gpio.h>
|
|
|
|
|
|
+#include <asm/mach/arch.h>
|
|
|
+#include <asm/mach/map.h>
|
|
|
#include <asm/hardware/vic.h>
|
|
|
|
|
|
-#include <plat/regs-irqtype.h>
|
|
|
+#include <mach/map.h>
|
|
|
+#include <mach/hardware.h>
|
|
|
#include <mach/regs-gpio.h>
|
|
|
-#include <plat/gpio-cfg.h>
|
|
|
|
|
|
-#include <mach/map.h>
|
|
|
#include <plat/cpu.h>
|
|
|
+#include <plat/clock.h>
|
|
|
+#include <plat/devs.h>
|
|
|
#include <plat/pm.h>
|
|
|
+#include <plat/gpio-cfg.h>
|
|
|
+#include <plat/irq-uart.h>
|
|
|
+#include <plat/irq-vic-timer.h>
|
|
|
+#include <plat/regs-irqtype.h>
|
|
|
+#include <plat/regs-serial.h>
|
|
|
+
|
|
|
+#include "common.h"
|
|
|
+
|
|
|
+/* uart registration process */
|
|
|
+
|
|
|
+void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
|
|
|
+{
|
|
|
+ s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
|
|
|
+}
|
|
|
+
|
|
|
+/* table of supported CPUs */
|
|
|
+
|
|
|
+static const char name_s3c6400[] = "S3C6400";
|
|
|
+static const char name_s3c6410[] = "S3C6410";
|
|
|
+
|
|
|
+static struct cpu_table cpu_ids[] __initdata = {
|
|
|
+ {
|
|
|
+ .idcode = S3C6400_CPU_ID,
|
|
|
+ .idmask = S3C64XX_CPU_MASK,
|
|
|
+ .map_io = s3c6400_map_io,
|
|
|
+ .init_clocks = s3c6400_init_clocks,
|
|
|
+ .init_uarts = s3c64xx_init_uarts,
|
|
|
+ .init = s3c6400_init,
|
|
|
+ .name = name_s3c6400,
|
|
|
+ }, {
|
|
|
+ .idcode = S3C6410_CPU_ID,
|
|
|
+ .idmask = S3C64XX_CPU_MASK,
|
|
|
+ .map_io = s3c6410_map_io,
|
|
|
+ .init_clocks = s3c6410_init_clocks,
|
|
|
+ .init_uarts = s3c64xx_init_uarts,
|
|
|
+ .init = s3c6410_init,
|
|
|
+ .name = name_s3c6410,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+/* minimal IO mapping */
|
|
|
+
|
|
|
+/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */
|
|
|
+#define UART_OFFS (S3C_PA_UART & 0xfffff)
|
|
|
+
|
|
|
+static struct map_desc s3c_iodesc[] __initdata = {
|
|
|
+ {
|
|
|
+ .virtual = (unsigned long)S3C_VA_SYS,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C_VA_MEM,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_SROM),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)(S3C_VA_UART + UART_OFFS),
|
|
|
+ .pfn = __phys_to_pfn(S3C_PA_UART),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)VA_VIC0,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_VIC0),
|
|
|
+ .length = SZ_16K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)VA_VIC1,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_VIC1),
|
|
|
+ .length = SZ_16K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C_VA_TIMER,
|
|
|
+ .pfn = __phys_to_pfn(S3C_PA_TIMER),
|
|
|
+ .length = SZ_16K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C64XX_VA_GPIO,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_GPIO),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C64XX_VA_MODEM,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_MODEM),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C_VA_WATCHDOG,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_WATCHDOG),
|
|
|
+ .length = SZ_4K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ }, {
|
|
|
+ .virtual = (unsigned long)S3C_VA_USB_HSPHY,
|
|
|
+ .pfn = __phys_to_pfn(S3C64XX_PA_USB_HSPHY),
|
|
|
+ .length = SZ_1K,
|
|
|
+ .type = MT_DEVICE,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+struct sysdev_class s3c64xx_sysclass = {
|
|
|
+ .name = "s3c64xx-core",
|
|
|
+};
|
|
|
+
|
|
|
+static struct sys_device s3c64xx_sysdev = {
|
|
|
+ .cls = &s3c64xx_sysclass,
|
|
|
+};
|
|
|
+
|
|
|
+/* read cpu identification code */
|
|
|
+
|
|
|
+void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
|
|
|
+{
|
|
|
+ /* initialise the io descriptors we need for initialisation */
|
|
|
+ iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
|
|
|
+ iotable_init(mach_desc, size);
|
|
|
+ init_consistent_dma_size(SZ_8M);
|
|
|
+
|
|
|
+ /* detect cpu id */
|
|
|
+ s3c64xx_init_cpu();
|
|
|
+
|
|
|
+ s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
|
|
|
+}
|
|
|
+
|
|
|
+static __init int s3c64xx_sysdev_init(void)
|
|
|
+{
|
|
|
+ sysdev_class_register(&s3c64xx_sysclass);
|
|
|
+ return sysdev_register(&s3c64xx_sysdev);
|
|
|
+}
|
|
|
+core_initcall(s3c64xx_sysdev_init);
|
|
|
+
|
|
|
+/*
|
|
|
+ * setup the sources the vic should advertise resume
|
|
|
+ * for, even though it is not doing the wake
|
|
|
+ * (set_irq_wake needs to be valid)
|
|
|
+ */
|
|
|
+#define IRQ_VIC0_RESUME (1 << (IRQ_RTC_TIC - IRQ_VIC0_BASE))
|
|
|
+#define IRQ_VIC1_RESUME (1 << (IRQ_RTC_ALARM - IRQ_VIC1_BASE) | \
|
|
|
+ 1 << (IRQ_PENDN - IRQ_VIC1_BASE) | \
|
|
|
+ 1 << (IRQ_HSMMC0 - IRQ_VIC1_BASE) | \
|
|
|
+ 1 << (IRQ_HSMMC1 - IRQ_VIC1_BASE) | \
|
|
|
+ 1 << (IRQ_HSMMC2 - IRQ_VIC1_BASE))
|
|
|
+
|
|
|
+void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
|
|
|
+{
|
|
|
+ printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
|
|
|
+
|
|
|
+ /* initialise the pair of VICs */
|
|
|
+ vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
|
|
|
+ vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
|
|
|
+
|
|
|
+ /* add the timer sub-irqs */
|
|
|
+ s3c_init_vic_timer_irq(5, IRQ_TIMER0);
|
|
|
+}
|
|
|
|
|
|
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
|
|
|
#define eint_irq_to_bit(irq) ((u32)(1 << eint_offset(irq)))
|
|
@@ -209,5 +372,4 @@ static int __init s3c64xx_init_irq_eint(void)
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
-
|
|
|
arch_initcall(s3c64xx_init_irq_eint);
|