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-rw-r--r--arch/arm/mach-s5p64x0/common.c490
1 files changed, 0 insertions, 490 deletions
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
deleted file mode 100644
index 9a43be002d78..000000000000
--- a/arch/arm/mach-s5p64x0/common.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/*
- * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Common Codes for S5P64X0 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
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/device.h>
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <clocksource/samsung_pwm.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/dma-mapping.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
-#include <linux/reboot.h>
-
-#include <asm/irq.h>
-#include <asm/proc-fns.h>
-#include <asm/system_misc.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <mach/map.h>
-#include <mach/hardware.h>
-#include <mach/regs-clock.h>
-#include <mach/regs-gpio.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/devs.h>
-#include <plat/pm.h>
-#include <plat/sdhci.h>
-#include <plat/adc-core.h>
-#include <plat/fb-core.h>
-#include <plat/spi-core.h>
-#include <plat/gpio-cfg.h>
-#include <plat/pwm-core.h>
-#include <plat/regs-irqtype.h>
-#include <plat/watchdog-reset.h>
-
-#include "common.h"
-
-static const char name_s5p6440[] = "S5P6440";
-static const char name_s5p6450[] = "S5P6450";
-
-static struct cpu_table cpu_ids[] __initdata = {
- {
- .idcode = S5P6440_CPU_ID,
- .idmask = S5P64XX_CPU_MASK,
- .map_io = s5p6440_map_io,
- .init_clocks = s5p6440_init_clocks,
- .init_uarts = s5p6440_init_uarts,
- .init = s5p64x0_init,
- .name = name_s5p6440,
- }, {
- .idcode = S5P6450_CPU_ID,
- .idmask = S5P64XX_CPU_MASK,
- .map_io = s5p6450_map_io,
- .init_clocks = s5p6450_init_clocks,
- .init_uarts = s5p6450_init_uarts,
- .init = s5p64x0_init,
- .name = name_s5p6450,
- },
-};
-
-/* Initial IO mappings */
-
-static struct map_desc s5p64x0_iodesc[] __initdata = {
- {
- .virtual = (unsigned long)S5P_VA_CHIPID,
- .pfn = __phys_to_pfn(S5P64X0_PA_CHIPID),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S3C_VA_SYS,
- .pfn = __phys_to_pfn(S5P64X0_PA_SYSCON),
- .length = SZ_64K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S3C_VA_TIMER,
- .pfn = __phys_to_pfn(S5P64X0_PA_TIMER),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S3C_VA_WATCHDOG,
- .pfn = __phys_to_pfn(S5P64X0_PA_WDT),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_SROMC,
- .pfn = __phys_to_pfn(S5P64X0_PA_SROMC),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_GPIO,
- .pfn = __phys_to_pfn(S5P64X0_PA_GPIO),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)VA_VIC0,
- .pfn = __phys_to_pfn(S5P64X0_PA_VIC0),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)VA_VIC1,
- .pfn = __phys_to_pfn(S5P64X0_PA_VIC1),
- .length = SZ_16K,
- .type = MT_DEVICE,
- },
-};
-
-static struct map_desc s5p6440_iodesc[] __initdata = {
- {
- .virtual = (unsigned long)S3C_VA_UART,
- .pfn = __phys_to_pfn(S5P6440_PA_UART(0)),
- .length = SZ_4K,
- .type = MT_DEVICE,
- },
-};
-
-static struct map_desc s5p6450_iodesc[] __initdata = {
- {
- .virtual = (unsigned long)S3C_VA_UART,
- .pfn = __phys_to_pfn(S5P6450_PA_UART(0)),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S3C_VA_UART + SZ_512K,
- .pfn = __phys_to_pfn(S5P6450_PA_UART(5)),
- .length = SZ_4K,
- .type = MT_DEVICE,
- },
-};
-
-static void s5p64x0_idle(void)
-{
- unsigned long val;
-
- val = __raw_readl(S5P64X0_PWR_CFG);
- val &= ~(0x3 << 5);
- val |= (0x1 << 5);
- __raw_writel(val, S5P64X0_PWR_CFG);
-
- cpu_do_idle();
-}
-
-static struct samsung_pwm_variant s5p64x0_pwm_variant = {
- .bits = 32,
- .div_base = 0,
- .has_tint_cstat = true,
- .tclk_mask = 0,
-};
-
-void __init samsung_set_timer_source(unsigned int event, unsigned int source)
-{
- s5p64x0_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
- s5p64x0_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
-}
-
-void __init samsung_timer_init(void)
-{
- unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
- IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
- IRQ_TIMER3_VIC, IRQ_TIMER4_VIC,
- };
-
- samsung_pwm_clocksource_init(S3C_VA_TIMER,
- timer_irqs, &s5p64x0_pwm_variant);
-}
-
-/*
- * s5p64x0_map_io
- *
- * register the standard CPU IO areas
- */
-
-void __init s5p64x0_init_io(struct map_desc *mach_desc, int size)
-{
- /* initialize the io descriptors we need for initialization */
- iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
- if (mach_desc)
- iotable_init(mach_desc, size);
-
- /* detect cpu id and rev. */
- s5p_init_cpu(S5P64X0_SYS_ID);
-
- s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
- samsung_wdt_reset_init(S3C_VA_WATCHDOG);
-
- samsung_pwm_set_platdata(&s5p64x0_pwm_variant);
-}
-
-#ifdef CONFIG_CPU_S5P6440
-void __init s5p6440_map_io(void)
-{
- /* initialize any device information early */
- s3c_adc_setname("s3c64xx-adc");
- s3c_fb_setname("s5p64x0-fb");
- s3c64xx_spi_setname("s5p64x0-spi");
-
- s5p64x0_default_sdhci0();
- s5p64x0_default_sdhci1();
- s5p6440_default_sdhci2();
-
- iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc));
-}
-#endif
-
-#ifdef CONFIG_CPU_S5P6450
-void __init s5p6450_map_io(void)
-{
- /* initialize any device information early */
- s3c_adc_setname("s3c64xx-adc");
- s3c_fb_setname("s5p64x0-fb");
- s3c64xx_spi_setname("s5p64x0-spi");
-
- s5p64x0_default_sdhci0();
- s5p64x0_default_sdhci1();
- s5p6450_default_sdhci2();
-
- iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc));
-}
-#endif
-
-/*
- * s5p64x0_init_clocks
- *
- * register and setup the CPU clocks
- */
-#ifdef CONFIG_CPU_S5P6440
-void __init s5p6440_init_clocks(int xtal)
-{
- printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
- s3c24xx_register_baseclocks(xtal);
- s5p_register_clocks(xtal);
- s5p6440_register_clocks();
- s5p6440_setup_clocks();
-}
-#endif
-
-#ifdef CONFIG_CPU_S5P6450
-void __init s5p6450_init_clocks(int xtal)
-{
- printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
- s3c24xx_register_baseclocks(xtal);
- s5p_register_clocks(xtal);
- s5p6450_register_clocks();
- s5p6450_setup_clocks();
-}
-#endif
-
-/*
- * s5p64x0_init_irq
- *
- * register the CPU interrupts
- */
-#ifdef CONFIG_CPU_S5P6440
-void __init s5p6440_init_irq(void)
-{
- /* S5P6440 supports 2 VIC */
- u32 vic[2];
-
- /*
- * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)]
- * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22]
- */
- vic[0] = 0xff800ae7;
- vic[1] = 0xffbf23e5;
-
- s5p_init_irq(vic, ARRAY_SIZE(vic));
-}
-#endif
-
-#ifdef CONFIG_CPU_S5P6450
-void __init s5p6450_init_irq(void)
-{
- /* S5P6450 supports only 2 VIC */
- u32 vic[2];
-
- /*
- * VIC0 is missing IRQ_VIC0[(13-15), (21-22)]
- * VIC1 is missing IRQ VIC1[12, 14, 23]
- */
- vic[0] = 0xff9f1fff;
- vic[1] = 0xff7fafff;
-
- s5p_init_irq(vic, ARRAY_SIZE(vic));
-}
-#endif
-
-struct bus_type s5p64x0_subsys = {
- .name = "s5p64x0-core",
- .dev_name = "s5p64x0-core",
-};
-
-static struct device s5p64x0_dev = {
- .bus = &s5p64x0_subsys,
-};
-
-static int __init s5p64x0_core_init(void)
-{
- return subsys_system_register(&s5p64x0_subsys, NULL);
-}
-core_initcall(s5p64x0_core_init);
-
-int __init s5p64x0_init(void)
-{
- printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
-
- /* set idle function */
- arm_pm_idle = s5p64x0_idle;
-
- return device_register(&s5p64x0_dev);
-}
-
-/* uart registration process */
-#ifdef CONFIG_CPU_S5P6440
-void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
- int uart;
-
- for (uart = 0; uart < no; uart++) {
- s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
- s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
- }
-
- s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
-}
-#endif
-
-#ifdef CONFIG_CPU_S5P6450
-void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
- s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
-}
-#endif
-
-#define eint_offset(irq) ((irq) - IRQ_EINT(0))
-
-static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
-{
- int offs = eint_offset(data->irq);
- int shift;
- u32 ctrl, mask;
- u32 newvalue = 0;
-
- if (offs > 15)
- return -EINVAL;
-
- switch (type) {
- case IRQ_TYPE_NONE:
- printk(KERN_WARNING "No edge setting!\n");
- break;
- case IRQ_TYPE_EDGE_RISING:
- newvalue = S3C2410_EXTINT_RISEEDGE;
- break;
- case IRQ_TYPE_EDGE_FALLING:
- newvalue = S3C2410_EXTINT_FALLEDGE;
- break;
- case IRQ_TYPE_EDGE_BOTH:
- newvalue = S3C2410_EXTINT_BOTHEDGE;
- break;
- case IRQ_TYPE_LEVEL_LOW:
- newvalue = S3C2410_EXTINT_LOWLEV;
- break;
- case IRQ_TYPE_LEVEL_HIGH:
- newvalue = S3C2410_EXTINT_HILEV;
- break;
- default:
- printk(KERN_ERR "No such irq type %d", type);
- return -EINVAL;
- }
-
- shift = (offs / 2) * 4;
- mask = 0x7 << shift;
-
- ctrl = __raw_readl(S5P64X0_EINT0CON0) & ~mask;
- ctrl |= newvalue << shift;
- __raw_writel(ctrl, S5P64X0_EINT0CON0);
-
- /* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
- if (soc_is_s5p6450())
- s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
- else
- s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
-
- return 0;
-}
-
-/*
- * s5p64x0_irq_demux_eint
- *
- * This function demuxes the IRQ from the group0 external interrupts,
- * from IRQ_EINT(0) to IRQ_EINT(15). It is designed to be inlined into
- * the specific handlers s5p64x0_irq_demux_eintX_Y.
- */
-static inline void s5p64x0_irq_demux_eint(unsigned int start, unsigned int end)
-{
- u32 status = __raw_readl(S5P64X0_EINT0PEND);
- u32 mask = __raw_readl(S5P64X0_EINT0MASK);
- unsigned int irq;
-
- status &= ~mask;
- status >>= start;
- status &= (1 << (end - start + 1)) - 1;
-
- for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
- if (status & 1)
- generic_handle_irq(irq);
- status >>= 1;
- }
-}
-
-static void s5p64x0_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
-{
- s5p64x0_irq_demux_eint(0, 3);
-}
-
-static void s5p64x0_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
-{
- s5p64x0_irq_demux_eint(4, 11);
-}
-
-static void s5p64x0_irq_demux_eint12_15(unsigned int irq,
- struct irq_desc *desc)
-{
- s5p64x0_irq_demux_eint(12, 15);
-}
-
-static int s5p64x0_alloc_gc(void)
-{
- struct irq_chip_generic *gc;
- struct irq_chip_type *ct;
-
- gc = irq_alloc_generic_chip("s5p64x0-eint", 1, S5P_IRQ_EINT_BASE,
- S5P_VA_GPIO, handle_level_irq);
- if (!gc) {
- printk(KERN_ERR "%s: irq_alloc_generic_chip for group 0"
- "external interrupts failed\n", __func__);
- return -EINVAL;
- }
-
- ct = gc->chip_types;
- ct->chip.irq_ack = irq_gc_ack_set_bit;
- ct->chip.irq_mask = irq_gc_mask_set_bit;
- ct->chip.irq_unmask = irq_gc_mask_clr_bit;
- ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
- ct->chip.irq_set_wake = s3c_irqext_wake;
- ct->regs.ack = EINT0PEND_OFFSET;
- ct->regs.mask = EINT0MASK_OFFSET;
- irq_setup_generic_chip(gc, IRQ_MSK(16), IRQ_GC_INIT_MASK_CACHE,
- IRQ_NOREQUEST | IRQ_NOPROBE, 0);
- return 0;
-}
-
-static int __init s5p64x0_init_irq_eint(void)
-{
- int ret = s5p64x0_alloc_gc();
- irq_set_chained_handler(IRQ_EINT0_3, s5p64x0_irq_demux_eint0_3);
- irq_set_chained_handler(IRQ_EINT4_11, s5p64x0_irq_demux_eint4_11);
- irq_set_chained_handler(IRQ_EINT12_15, s5p64x0_irq_demux_eint12_15);
-
- return ret;
-}
-arch_initcall(s5p64x0_init_irq_eint);
-
-void s5p64x0_restart(enum reboot_mode mode, const char *cmd)
-{
- if (mode != REBOOT_SOFT)
- samsung_wdt_reset();
-
- soft_restart(0);
-}