summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-exynos/common.c')
-rw-r--r--arch/arm/mach-exynos/common.c547
1 files changed, 414 insertions, 133 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index c59e188..5ccd6e8 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -26,10 +26,12 @@
#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <asm/cacheflush.h>
#include <mach/regs-irq.h>
#include <mach/regs-pmu.h>
#include <mach/regs-gpio.h>
+#include <mach/pmu.h>
#include <plat/cpu.h>
#include <plat/clock.h>
@@ -45,10 +47,20 @@
#include <plat/regs-serial.h>
#include "common.h"
+#define L2_AUX_VAL 0x7C470001
+#define L2_AUX_MASK 0xC200ffff
static const char name_exynos4210[] = "EXYNOS4210";
static const char name_exynos4212[] = "EXYNOS4212";
static const char name_exynos4412[] = "EXYNOS4412";
+static const char name_exynos5250[] = "EXYNOS5250";
+
+static void exynos4_map_io(void);
+static void exynos5_map_io(void);
+static void exynos4_init_clocks(int xtal);
+static void exynos5_init_clocks(int xtal);
+static void exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+static int exynos_init(void);
static struct cpu_table cpu_ids[] __initdata = {
{
@@ -56,7 +68,7 @@ static struct cpu_table cpu_ids[] __initdata = {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos4_init_uarts,
+ .init_uarts = exynos_init_uarts,
.init = exynos_init,
.name = name_exynos4210,
}, {
@@ -64,7 +76,7 @@ static struct cpu_table cpu_ids[] __initdata = {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos4_init_uarts,
+ .init_uarts = exynos_init_uarts,
.init = exynos_init,
.name = name_exynos4212,
}, {
@@ -72,9 +84,17 @@ static struct cpu_table cpu_ids[] __initdata = {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos4_init_uarts,
+ .init_uarts = exynos_init_uarts,
.init = exynos_init,
.name = name_exynos4412,
+ }, {
+ .idcode = EXYNOS5250_SOC_ID,
+ .idmask = EXYNOS5_SOC_MASK,
+ .map_io = exynos5_map_io,
+ .init_clocks = exynos5_init_clocks,
+ .init_uarts = exynos_init_uarts,
+ .init = exynos_init,
+ .name = name_exynos5250,
},
};
@@ -83,10 +103,14 @@ static struct cpu_table cpu_ids[] __initdata = {
static struct map_desc exynos_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_CHIPID,
- .pfn = __phys_to_pfn(EXYNOS4_PA_CHIPID),
+ .pfn = __phys_to_pfn(EXYNOS_PA_CHIPID),
.length = SZ_4K,
.type = MT_DEVICE,
- }, {
+ },
+};
+
+static struct map_desc exynos4_iodesc[] __initdata = {
+ {
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(EXYNOS4_PA_SYSCON),
.length = SZ_64K,
@@ -136,11 +160,7 @@ static struct map_desc exynos_iodesc[] __initdata = {
.pfn = __phys_to_pfn(EXYNOS4_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
- },
-};
-
-static struct map_desc exynos4_iodesc[] __initdata = {
- {
+ }, {
.virtual = (unsigned long)S5P_VA_CMU,
.pfn = __phys_to_pfn(EXYNOS4_PA_CMU),
.length = SZ_128K,
@@ -156,24 +176,14 @@ static struct map_desc exynos4_iodesc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE,
}, {
- .virtual = (unsigned long)S5P_VA_GPIO1,
- .pfn = __phys_to_pfn(EXYNOS4_PA_GPIO1),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_GPIO2,
- .pfn = __phys_to_pfn(EXYNOS4_PA_GPIO2),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_GPIO3,
- .pfn = __phys_to_pfn(EXYNOS4_PA_GPIO3),
- .length = SZ_256,
- .type = MT_DEVICE,
- }, {
.virtual = (unsigned long)S5P_VA_DMC0,
.pfn = __phys_to_pfn(EXYNOS4_PA_DMC0),
- .length = SZ_4K,
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_DMC1,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_DMC1),
+ .length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_USB_HSPHY,
@@ -201,19 +211,80 @@ static struct map_desc exynos4_iodesc1[] __initdata = {
},
};
-static void exynos_idle(void)
-{
- if (!need_resched())
- cpu_do_idle();
-
- local_irq_enable();
-}
+static struct map_desc exynos5_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_SYS,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SYSCON),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_TIMER,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_TIMER),
+ .length = SZ_16K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_WATCHDOG,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_WATCHDOG),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SROMC,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SROMC),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SYSTIMER,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SYSTIMER),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_SYSRAM,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_SYSRAM),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_CMU,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_CMU),
+ .length = 144 * SZ_1K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_PMU,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_PMU),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_COMBINER_BASE,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_COMBINER),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_UART,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_UART),
+ .length = SZ_512K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_CPU,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_GIC_CPU),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_DIST,
+ .pfn = __phys_to_pfn(EXYNOS5_PA_GIC_DIST),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ },
+};
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
}
+void exynos5_restart(char mode, const char *cmd)
+{
+ __raw_writel(0x1, EXYNOS_SWRESET);
+}
+
/*
* exynos_map_io
*
@@ -233,7 +304,7 @@ void __init exynos_init_io(struct map_desc *mach_desc, int size)
s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
-void __init exynos4_map_io(void)
+static void __init exynos4_map_io(void)
{
iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
@@ -255,6 +326,11 @@ void __init exynos4_map_io(void)
s3c_fimc_setname(2, "exynos4-fimc");
s3c_fimc_setname(3, "exynos4-fimc");
+ s3c_sdhci_setname(0, "exynos4-sdhci");
+ s3c_sdhci_setname(1, "exynos4-sdhci");
+ s3c_sdhci_setname(2, "exynos4-sdhci");
+ s3c_sdhci_setname(3, "exynos4-sdhci");
+
/* The I2C bus controllers are directly compatible with s3c2440 */
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
@@ -264,7 +340,27 @@ void __init exynos4_map_io(void)
s5p_hdmi_setname("exynos4-hdmi");
}
-void __init exynos4_init_clocks(int xtal)
+static void __init exynos5_map_io(void)
+{
+ iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
+
+ s3c_device_i2c0.resource[0].start = EXYNOS5_PA_IIC(0);
+ s3c_device_i2c0.resource[0].end = EXYNOS5_PA_IIC(0) + SZ_4K - 1;
+ s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC;
+ s3c_device_i2c0.resource[1].end = EXYNOS5_IRQ_IIC;
+
+ s3c_sdhci_setname(0, "exynos4-sdhci");
+ s3c_sdhci_setname(1, "exynos4-sdhci");
+ s3c_sdhci_setname(2, "exynos4-sdhci");
+ s3c_sdhci_setname(3, "exynos4-sdhci");
+
+ /* The I2C bus controllers are directly compatible with s3c2440 */
+ s3c_i2c0_setname("s3c2440-i2c");
+ s3c_i2c1_setname("s3c2440-i2c");
+ s3c_i2c2_setname("s3c2440-i2c");
+}
+
+static void __init exynos4_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
@@ -280,6 +376,17 @@ void __init exynos4_init_clocks(int xtal)
exynos4_setup_clocks();
}
+static void __init exynos5_init_clocks(int xtal)
+{
+ printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+ s3c24xx_register_baseclocks(xtal);
+ s5p_register_clocks(xtal);
+
+ exynos5_register_clocks();
+ exynos5_setup_clocks();
+}
+
#define COMBINER_ENABLE_SET 0x0
#define COMBINER_ENABLE_CLEAR 0x4
#define COMBINER_INT_STATUS 0xC
@@ -353,7 +460,14 @@ static struct irq_chip combiner_chip = {
static void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
{
- if (combiner_nr >= MAX_COMBINER_NR)
+ unsigned int max_nr;
+
+ if (soc_is_exynos5250())
+ max_nr = EXYNOS5_MAX_COMBINER_NR;
+ else
+ max_nr = EXYNOS4_MAX_COMBINER_NR;
+
+ if (combiner_nr >= max_nr)
BUG();
if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
BUG();
@@ -364,8 +478,14 @@ static void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
unsigned int irq_start)
{
unsigned int i;
+ unsigned int max_nr;
+
+ if (soc_is_exynos5250())
+ max_nr = EXYNOS5_MAX_COMBINER_NR;
+ else
+ max_nr = EXYNOS4_MAX_COMBINER_NR;
- if (combiner_nr >= MAX_COMBINER_NR)
+ if (combiner_nr >= max_nr)
BUG();
combiner_data[combiner_nr].base = base;
@@ -402,13 +522,13 @@ void __init exynos4_init_irq(void)
gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
if (!of_have_populated_dt())
- gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset);
+ gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset, NULL);
#ifdef CONFIG_OF
else
of_irq_init(exynos4_dt_irq_match);
#endif
- for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
+ for (irq = 0; irq < EXYNOS4_MAX_COMBINER_NR; irq++) {
combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
COMBINER_IRQ(irq, 0));
@@ -423,60 +543,147 @@ void __init exynos4_init_irq(void)
s5p_init_irq(NULL, 0);
}
+void __init exynos5_init_irq(void)
+{
+ int irq;
+
+#ifdef CONFIG_OF
+ of_irq_init(exynos4_dt_irq_match);
+#endif
+
+ for (irq = 0; irq < EXYNOS5_MAX_COMBINER_NR; irq++) {
+ combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
+ COMBINER_IRQ(irq, 0));
+ combiner_cascade_irq(irq, IRQ_SPI(irq));
+ }
+
+ /*
+ * The parameters of s5p_init_irq() are for VIC init.
+ * Theses parameters should be NULL and 0 because EXYNOS4
+ * uses GIC instead of VIC.
+ */
+ s5p_init_irq(NULL, 0);
+}
+
struct bus_type exynos4_subsys = {
.name = "exynos4-core",
.dev_name = "exynos4-core",
};
+struct bus_type exynos5_subsys = {
+ .name = "exynos5-core",
+ .dev_name = "exynos5-core",
+};
+
static struct device exynos4_dev = {
.bus = &exynos4_subsys,
};
-static int __init exynos4_core_init(void)
+static struct device exynos5_dev = {
+ .bus = &exynos5_subsys,
+};
+
+static int __init exynos_core_init(void)
{
- return subsys_system_register(&exynos4_subsys, NULL);
+ if (soc_is_exynos5250())
+ return subsys_system_register(&exynos5_subsys, NULL);
+ else
+ return subsys_system_register(&exynos4_subsys, NULL);
}
-core_initcall(exynos4_core_init);
+core_initcall(exynos_core_init);
#ifdef CONFIG_CACHE_L2X0
static int __init exynos4_l2x0_cache_init(void)
{
- /* TAG, Data Latency Control: 2cycle */
- __raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
+ int ret;
- if (soc_is_exynos4210())
- __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
- else if (soc_is_exynos4212() || soc_is_exynos4412())
- __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
+ if (soc_is_exynos5250())
+ return 0;
+
+ ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
+ if (!ret) {
+ l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
+ clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
+ return 0;
+ }
+
+ if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) {
+ l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC;
+ /* TAG, Data Latency Control: 2 cycles */
+ l2x0_saved_regs.tag_latency = 0x110;
- /* L2X0 Prefetch Control */
- __raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
+ if (soc_is_exynos4212() || soc_is_exynos4412())
+ l2x0_saved_regs.data_latency = 0x120;
+ else
+ l2x0_saved_regs.data_latency = 0x110;
- /* L2X0 Power Control */
- __raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
- S5P_VA_L2CC + L2X0_POWER_CTRL);
+ l2x0_saved_regs.prefetch_ctrl = 0x30000007;
+ l2x0_saved_regs.pwr_ctrl =
+ (L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN);
- l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);
+ l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
+
+ __raw_writel(l2x0_saved_regs.tag_latency,
+ S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
+ __raw_writel(l2x0_saved_regs.data_latency,
+ S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
+
+ /* L2X0 Prefetch Control */
+ __raw_writel(l2x0_saved_regs.prefetch_ctrl,
+ S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
+
+ /* L2X0 Power Control */
+ __raw_writel(l2x0_saved_regs.pwr_ctrl,
+ S5P_VA_L2CC + L2X0_POWER_CTRL);
+
+ clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
+ clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs));
+ }
+ l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK);
return 0;
}
-
early_initcall(exynos4_l2x0_cache_init);
#endif
-int __init exynos_init(void)
+static int __init exynos5_l2_cache_init(void)
{
- printk(KERN_INFO "EXYNOS: Initializing architecture\n");
+ unsigned int val;
+
+ if (!soc_is_exynos5250())
+ return 0;
+
+ asm volatile("mrc p15, 0, %0, c1, c0, 0\n"
+ "bic %0, %0, #(1 << 2)\n" /* cache disable */
+ "mcr p15, 0, %0, c1, c0, 0\n"
+ "mrc p15, 1, %0, c9, c0, 2\n"
+ : "=r"(val));
+
+ val |= (1 << 9) | (1 << 5) | (2 << 6) | (2 << 0);
+
+ asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val));
+ asm volatile("mrc p15, 0, %0, c1, c0, 0\n"
+ "orr %0, %0, #(1 << 2)\n" /* cache enable */
+ "mcr p15, 0, %0, c1, c0, 0\n"
+ : : "r"(val));
- /* set idle function */
- pm_idle = exynos_idle;
+ return 0;
+}
+early_initcall(exynos5_l2_cache_init);
+
+static int __init exynos_init(void)
+{
+ printk(KERN_INFO "EXYNOS: Initializing architecture\n");
- return device_register(&exynos4_dev);
+ if (soc_is_exynos5250())
+ return device_register(&exynos5_dev);
+ else
+ return device_register(&exynos4_dev);
}
/* uart registration process */
-void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+static void __init exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
struct s3c2410_uartcfg *tcfg = cfg;
u32 ucnt;
@@ -484,69 +691,138 @@ void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
tcfg->has_fracval = 1;
- s3c24xx_init_uartdevs("exynos4210-uart", s5p_uart_resources, cfg, no);
+ if (soc_is_exynos5250())
+ s3c24xx_init_uartdevs("exynos4210-uart", exynos5_uart_resources, cfg, no);
+ else
+ s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
}
+static void __iomem *exynos_eint_base;
+
static DEFINE_SPINLOCK(eint_lock);
static unsigned int eint0_15_data[16];
-static unsigned int exynos4_get_irq_nr(unsigned int number)
+static inline int exynos4_irq_to_gpio(unsigned int irq)
{
- u32 ret = 0;
+ if (irq < IRQ_EINT(0))
+ return -EINVAL;
- switch (number) {
- case 0 ... 3:
- ret = (number + IRQ_EINT0);
- break;
- case 4 ... 7:
- ret = (number + (IRQ_EINT4 - 4));
- break;
- case 8 ... 15:
- ret = (number + (IRQ_EINT8 - 8));
- break;
- default:
- printk(KERN_ERR "number available : %d\n", number);
- }
+ irq -= IRQ_EINT(0);
+ if (irq < 8)
+ return EXYNOS4_GPX0(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS4_GPX1(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS4_GPX2(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS4_GPX3(irq);
- return ret;
+ return -EINVAL;
}
-static inline void exynos4_irq_eint_mask(struct irq_data *data)
+static inline int exynos5_irq_to_gpio(unsigned int irq)
+{
+ if (irq < IRQ_EINT(0))
+ return -EINVAL;
+
+ irq -= IRQ_EINT(0);
+ if (irq < 8)
+ return EXYNOS5_GPX0(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS5_GPX1(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS5_GPX2(irq);
+
+ irq -= 8;
+ if (irq < 8)
+ return EXYNOS5_GPX3(irq);
+
+ return -EINVAL;
+}
+
+static unsigned int exynos4_eint0_15_src_int[16] = {
+ EXYNOS4_IRQ_EINT0,
+ EXYNOS4_IRQ_EINT1,
+ EXYNOS4_IRQ_EINT2,
+ EXYNOS4_IRQ_EINT3,
+ EXYNOS4_IRQ_EINT4,
+ EXYNOS4_IRQ_EINT5,
+ EXYNOS4_IRQ_EINT6,
+ EXYNOS4_IRQ_EINT7,
+ EXYNOS4_IRQ_EINT8,
+ EXYNOS4_IRQ_EINT9,
+ EXYNOS4_IRQ_EINT10,
+ EXYNOS4_IRQ_EINT11,
+ EXYNOS4_IRQ_EINT12,
+ EXYNOS4_IRQ_EINT13,
+ EXYNOS4_IRQ_EINT14,
+ EXYNOS4_IRQ_EINT15,
+};
+
+static unsigned int exynos5_eint0_15_src_int[16] = {
+ EXYNOS5_IRQ_EINT0,
+ EXYNOS5_IRQ_EINT1,
+ EXYNOS5_IRQ_EINT2,
+ EXYNOS5_IRQ_EINT3,
+ EXYNOS5_IRQ_EINT4,
+ EXYNOS5_IRQ_EINT5,
+ EXYNOS5_IRQ_EINT6,
+ EXYNOS5_IRQ_EINT7,
+ EXYNOS5_IRQ_EINT8,
+ EXYNOS5_IRQ_EINT9,
+ EXYNOS5_IRQ_EINT10,
+ EXYNOS5_IRQ_EINT11,
+ EXYNOS5_IRQ_EINT12,
+ EXYNOS5_IRQ_EINT13,
+ EXYNOS5_IRQ_EINT14,
+ EXYNOS5_IRQ_EINT15,
+};
+static inline void exynos_irq_eint_mask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
- mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- mask |= eint_irq_to_bit(data->irq);
- __raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+ mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
+ mask |= EINT_OFFSET_BIT(data->irq);
+ __raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
spin_unlock(&eint_lock);
}
-static void exynos4_irq_eint_unmask(struct irq_data *data)
+static void exynos_irq_eint_unmask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
- mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
- mask &= ~(eint_irq_to_bit(data->irq));
- __raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+ mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
+ mask &= ~(EINT_OFFSET_BIT(data->irq));
+ __raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
spin_unlock(&eint_lock);
}
-static inline void exynos4_irq_eint_ack(struct irq_data *data)
+static inline void exynos_irq_eint_ack(struct irq_data *data)
{
- __raw_writel(eint_irq_to_bit(data->irq),
- S5P_EINT_PEND(EINT_REG_NR(data->irq)));
+ __raw_writel(EINT_OFFSET_BIT(data->irq),
+ EINT_PEND(exynos_eint_base, data->irq));
}
-static void exynos4_irq_eint_maskack(struct irq_data *data)
+static void exynos_irq_eint_maskack(struct irq_data *data)
{
- exynos4_irq_eint_mask(data);
- exynos4_irq_eint_ack(data);
+ exynos_irq_eint_mask(data);
+ exynos_irq_eint_ack(data);
}
-static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
+static int exynos_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
int offs = EINT_OFFSET(data->irq);
int shift;
@@ -583,39 +859,27 @@ static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
mask = 0x7 << shift;
spin_lock(&eint_lock);
- ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
+ ctrl = __raw_readl(EINT_CON(exynos_eint_base, data->irq));
ctrl &= ~mask;
ctrl |= newvalue << shift;
- __raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
+ __raw_writel(ctrl, EINT_CON(exynos_eint_base, data->irq));
spin_unlock(&eint_lock);
- switch (offs) {
- case 0 ... 7:
- s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
- break;
- case 8 ... 15:
- s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
- break;
- case 16 ... 23:
- s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
- break;
- case 24 ... 31:
- s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
- break;
- default:
- printk(KERN_ERR "No such irq number %d", offs);
- }
+ if (soc_is_exynos5250())
+ s3c_gpio_cfgpin(exynos5_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
+ else
+ s3c_gpio_cfgpin(exynos4_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
return 0;
}
-static struct irq_chip exynos4_irq_eint = {
- .name = "exynos4-eint",
- .irq_mask = exynos4_irq_eint_mask,
- .irq_unmask = exynos4_irq_eint_unmask,
- .irq_mask_ack = exynos4_irq_eint_maskack,
- .irq_ack = exynos4_irq_eint_ack,
- .irq_set_type = exynos4_irq_eint_set_type,
+static struct irq_chip exynos_irq_eint = {
+ .name = "exynos-eint",
+ .irq_mask = exynos_irq_eint_mask,
+ .irq_unmask = exynos_irq_eint_unmask,
+ .irq_mask_ack = exynos_irq_eint_maskack,
+ .irq_ack = exynos_irq_eint_ack,
+ .irq_set_type = exynos_irq_eint_set_type,
#ifdef CONFIG_PM
.irq_set_wake = s3c_irqext_wake,
#endif
@@ -630,12 +894,12 @@ static struct irq_chip exynos4_irq_eint = {
*
* Each EINT pend/mask registers handle eight of them.
*/
-static inline void exynos4_irq_demux_eint(unsigned int start)
+static inline void exynos_irq_demux_eint(unsigned int start)
{
unsigned int irq;
- u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
- u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
+ u32 status = __raw_readl(EINT_PEND(exynos_eint_base, start));
+ u32 mask = __raw_readl(EINT_MASK(exynos_eint_base, start));
status &= ~mask;
status &= 0xff;
@@ -647,16 +911,16 @@ static inline void exynos4_irq_demux_eint(unsigned int start)
}
}
-static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
- exynos4_irq_demux_eint(IRQ_EINT(16));
- exynos4_irq_demux_eint(IRQ_EINT(24));
+ exynos_irq_demux_eint(IRQ_EINT(16));
+ exynos_irq_demux_eint(IRQ_EINT(24));
chained_irq_exit(chip, desc);
}
-static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
+static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
{
u32 *irq_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
@@ -673,27 +937,44 @@ static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
chained_irq_exit(chip, desc);
}
-int __init exynos4_init_irq_eint(void)
+static int __init exynos_init_irq_eint(void)
{
int irq;
+ if (soc_is_exynos5250())
+ exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K);
+ else
+ exynos_eint_base = ioremap(EXYNOS4_PA_GPIO2, SZ_4K);
+
+ if (exynos_eint_base == NULL) {
+ pr_err("unable to ioremap for EINT base address\n");
+ return -ENOMEM;
+ }
+
for (irq = 0 ; irq <= 31 ; irq++) {
- irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
+ irq_set_chip_and_handler(IRQ_EINT(irq), &exynos_irq_eint,
handle_level_irq);
set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
}
- irq_set_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
+ irq_set_chained_handler(EXYNOS_IRQ_EINT16_31, exynos_irq_demux_eint16_31);
for (irq = 0 ; irq <= 15 ; irq++) {
eint0_15_data[irq] = IRQ_EINT(irq);
- irq_set_handler_data(exynos4_get_irq_nr(irq),
- &eint0_15_data[irq]);
- irq_set_chained_handler(exynos4_get_irq_nr(irq),
- exynos4_irq_eint0_15);
+ if (soc_is_exynos5250()) {
+ irq_set_handler_data(exynos5_eint0_15_src_int[irq],
+ &eint0_15_data[irq]);
+ irq_set_chained_handler(exynos5_eint0_15_src_int[irq],
+ exynos_irq_eint0_15);
+ } else {
+ irq_set_handler_data(exynos4_eint0_15_src_int[irq],
+ &eint0_15_data[irq]);
+ irq_set_chained_handler(exynos4_eint0_15_src_int[irq],
+ exynos_irq_eint0_15);
+ }
}
return 0;
}
-arch_initcall(exynos4_init_irq_eint);
+arch_initcall(exynos_init_irq_eint);