[PATCH 4/9] ARM: EXYNOS: add support for ARCH_EXYNOS5 and EXYNOS5250
Kukjin Kim
kgene.kim at samsung.com
Tue Jan 31 10:39:09 EST 2012
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
arch/arm/Makefile | 1 +
arch/arm/mach-exynos/Kconfig | 13 ++
arch/arm/mach-exynos/Makefile | 1 +
arch/arm/mach-exynos/common.c | 163 ++++++++++++++++++++++++--
arch/arm/mach-exynos/common.h | 19 +++
arch/arm/mach-exynos/include/mach/map.h | 21 +++-
arch/arm/mach-exynos/include/mach/regs-pmu.h | 1 +
arch/arm/plat-s5p/Kconfig | 4 +-
arch/arm/plat-samsung/include/plat/cpu.h | 10 ++
9 files changed, 217 insertions(+), 16 deletions(-)
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 40319d9..a0a5031 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -181,6 +181,7 @@ machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0
machine-$(CONFIG_ARCH_S5PC100) := s5pc100
machine-$(CONFIG_ARCH_S5PV210) := s5pv210
machine-$(CONFIG_ARCH_EXYNOS4) := exynos
+machine-$(CONFIG_ARCH_EXYNOS5) := exynos
machine-$(CONFIG_ARCH_SA1100) := sa1100
machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SHMOBILE) := shmobile
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 5d602f6..60905d5 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -22,6 +22,12 @@ config ARCH_EXYNOS4
help
Samsung EXYNOS4 SoCs based systems
+config ARCH_EXYNOS5
+ bool "SAMSUNG EXYNOS5"
+ select HAVE_SMP
+ help
+ Samsung EXYNOS5 SoCs based systems
+
endchoice
comment "EXYNOS SoCs"
@@ -53,6 +59,13 @@ config SOC_EXYNOS4412
help
Enable EXYNOS4412 SoC support
+config SOC_EXYNOS5250
+ bool "SAMSUNG EXYNOS5250"
+ default y
+ depends on ARCH_EXYNOS5
+ help
+ Enable EXYNOS5250 SoC support
+
config EXYNOS4_MCT
bool
default y
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 2117f02..33d27d4 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -14,6 +14,7 @@ obj- :=
obj-$(CONFIG_ARCH_EXYNOS) += common.o
obj-$(CONFIG_ARCH_EXYNOS4) += clock-exynos4.o
+obj-$(CONFIG_ARCH_EXYNOS5) += clock-exynos5.o
obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o
obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index a168533..6ab3c5a 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -49,6 +49,7 @@
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 struct cpu_table cpu_ids[] __initdata = {
{
@@ -75,6 +76,14 @@ static struct cpu_table cpu_ids[] __initdata = {
.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 +92,14 @@ 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 +149,7 @@ 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,
@@ -201,6 +210,70 @@ static struct map_desc exynos4_iodesc1[] __initdata = {
},
};
+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,
+ },
+};
+
static void exynos_idle(void)
{
if (!need_resched())
@@ -214,6 +287,11 @@ 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
*
@@ -264,6 +342,16 @@ void __init exynos4_map_io(void)
s5p_hdmi_setname("exynos4-hdmi");
}
+void __init exynos5_map_io(void)
+{
+ iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
+
+ /* The I2C bus controllers are directly compatible with s3c2440 */
+ s3c_i2c0_setname("s3c2440-i2c");
+ s3c_i2c1_setname("s3c2440-i2c");
+ s3c_i2c2_setname("s3c2440-i2c");
+}
+
void __init exynos4_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
@@ -280,6 +368,17 @@ void __init exynos4_init_clocks(int xtal)
exynos4_setup_clocks();
}
+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
@@ -423,24 +522,59 @@ void __init exynos4_init_irq(void)
s5p_init_irq(NULL, 0);
}
+void __init exynos5_init_irq(void)
+{
+ int irq;
+
+ gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
+
+ for (irq = 0; irq < 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)
{
+ if (soc_is_exynos5250())
+ return 0;
+
/* TAG, Data Latency Control: 2cycle */
__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
@@ -460,7 +594,6 @@ static int __init exynos4_l2x0_cache_init(void)
return 0;
}
-
early_initcall(exynos4_l2x0_cache_init);
#endif
@@ -471,7 +604,10 @@ int __init exynos_init(void)
/* set idle function */
pm_idle = exynos_idle;
- return device_register(&exynos4_dev);
+ if (soc_is_exynos5250())
+ return device_register(&exynos5_dev);
+ else
+ return device_register(&exynos4_dev);
}
/* uart registration process */
@@ -677,6 +813,9 @@ int __init exynos4_init_irq_eint(void)
{
int irq;
+ if (soc_is_exynos5250())
+ return 0;
+
for (irq = 0 ; irq <= 31 ; irq++) {
irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
handle_level_irq);
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 2d79aba..137e382 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -14,6 +14,7 @@
void exynos_init_io(struct map_desc *mach_desc, int size);
void exynos4_init_irq(void);
+void exynos5_init_irq(void);
#ifdef CONFIG_ARCH_EXYNOS4
void exynos4_register_clocks(void);
@@ -30,21 +31,39 @@ void exynos4212_register_clocks(void);
#define exynos4212_register_clocks()
#endif
+#ifdef CONFIG_ARCH_EXYNOS5
+void exynos5_register_clocks(void);
+void exynos5_setup_clocks(void);
+
+#else
+#define exynos5_register_clocks()
+#define exynos5_setup_clocks()
+#endif
+
void exynos4_restart(char mode, const char *cmd);
+void exynos5_restart(char mode, const char *cmd);
extern struct sys_timer exynos4_timer;
#ifdef CONFIG_ARCH_EXYNOS
extern int exynos_init(void);
extern void exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
extern void exynos4_map_io(void);
extern void exynos4_init_clocks(int xtal);
+extern void exynos5_map_io(void);
+extern void exynos5_init_clocks(int xtal);
+
#else
#define exynos_init NULL
#define exynos_init_uarts NULL
+
#define exynos4_map_io NULL
#define exynos4_init_clocks NULL
+
+#define exynos5_map_io NULL
+#define exynos5_init_clocks NULL
#endif
#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index c754a22..f88acaf 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -25,6 +25,7 @@
#define EXYNOS4_PA_SYSRAM0 0x02025000
#define EXYNOS4_PA_SYSRAM1 0x02020000
+#define EXYNOS5_PA_SYSRAM 0x02020000
#define EXYNOS4_PA_FIMC0 0x11800000
#define EXYNOS4_PA_FIMC1 0x11810000
@@ -44,14 +45,23 @@
#define EXYNOS4_PA_ONENAND 0x0C000000
#define EXYNOS4_PA_ONENAND_DMA 0x0C600000
-#define EXYNOS4_PA_CHIPID 0x10000000
+#define EXYNOS_PA_CHIPID 0x10000000
#define EXYNOS4_PA_SYSCON 0x10010000
+#define EXYNOS5_PA_SYSCON 0x10050100
+
#define EXYNOS4_PA_PMU 0x10020000
+#define EXYNOS5_PA_PMU 0x10040000
+
#define EXYNOS4_PA_CMU 0x10030000
+#define EXYNOS5_PA_CMU 0x10010000
#define EXYNOS4_PA_SYSTIMER 0x10050000
+#define EXYNOS5_PA_SYSTIMER 0x101C0000
+
#define EXYNOS4_PA_WATCHDOG 0x10060000
+#define EXYNOS5_PA_WATCHDOG 0x101D0000
+
#define EXYNOS4_PA_RTC 0x10070000
#define EXYNOS4_PA_KEYPAD 0x100A0000
@@ -59,9 +69,12 @@
#define EXYNOS4_PA_DMC0 0x10400000
#define EXYNOS4_PA_COMBINER 0x10440000
+#define EXYNOS5_PA_COMBINER 0x10440000
#define EXYNOS4_PA_GIC_CPU 0x10480000
#define EXYNOS4_PA_GIC_DIST 0x10490000
+#define EXYNOS5_PA_GIC_CPU 0x10480000
+#define EXYNOS5_PA_GIC_DIST 0x10490000
#define EXYNOS4_PA_COREPERI 0x10500000
#define EXYNOS4_PA_TWD 0x10500600
@@ -91,7 +104,6 @@
#define EXYNOS4_PA_SPI1 0x13930000
#define EXYNOS4_PA_SPI2 0x13940000
-
#define EXYNOS4_PA_GPIO1 0x11400000
#define EXYNOS4_PA_GPIO2 0x11000000
#define EXYNOS4_PA_GPIO3 0x03860000
@@ -109,6 +121,7 @@
#define EXYNOS4_PA_SATAPHY_CTRL 0x126B0000
#define EXYNOS4_PA_SROMC 0x12570000
+#define EXYNOS5_PA_SROMC 0x12250000
#define EXYNOS4_PA_EHCI 0x12580000
#define EXYNOS4_PA_OHCI 0x12590000
@@ -116,6 +129,7 @@
#define EXYNOS4_PA_MFC 0x13400000
#define EXYNOS4_PA_UART 0x13800000
+#define EXYNOS5_PA_UART 0x12C00000
#define EXYNOS4_PA_VP 0x12C00000
#define EXYNOS4_PA_MIXER 0x12C10000
@@ -124,6 +138,7 @@
#define EXYNOS4_PA_IIC_HDMIPHY 0x138E0000
#define EXYNOS4_PA_IIC(x) (0x13860000 + ((x) * 0x10000))
+#define EXYNOS5_PA_IIC(x) (0x12C60000 + ((x) * 0x10000))
#define EXYNOS4_PA_ADC 0x13910000
#define EXYNOS4_PA_ADC1 0x13911000
@@ -133,8 +148,10 @@
#define EXYNOS4_PA_SPDIF 0x139B0000
#define EXYNOS4_PA_TIMER 0x139D0000
+#define EXYNOS5_PA_TIMER 0x12DD0000
#define EXYNOS4_PA_SDRAM 0x40000000
+#define EXYNOS5_PA_SDRAM 0x40000000
/* Compatibiltiy Defines */
diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h
index 4fff8e9..4c53f38 100644
--- a/arch/arm/mach-exynos/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h
@@ -31,6 +31,7 @@
#define S5P_USE_STANDBYWFE_ISP_ARM (1 << 26)
#define S5P_SWRESET S5P_PMUREG(0x0400)
+#define EXYNOS_SWRESET S5P_PMUREG(0x0400)
#define S5P_WAKEUP_STAT S5P_PMUREG(0x0600)
#define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604)
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 8167ce6..9cba5e3 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -9,8 +9,8 @@ config PLAT_S5P
bool
depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_EXYNOS)
default y
- select ARM_VIC if !ARCH_EXYNOS4
- select ARM_GIC if ARCH_EXYNOS4
+ select ARM_VIC if !ARCH_EXYNOS
+ select ARM_GIC if ARCH_EXYNOS
select GIC_NON_BANKED if ARCH_EXYNOS4
select NO_IOPORT
select ARCH_REQUIRE_GPIOLIB
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 73cb3cf..fa7a2fd 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -42,6 +42,9 @@ extern unsigned long samsung_cpu_id;
#define EXYNOS4412_CPU_ID 0xE4412200
#define EXYNOS4_CPU_MASK 0xFFFE0000
+#define EXYNOS5250_SOC_ID 0x43520000
+#define EXYNOS5_SOC_MASK 0xFFFE0000
+
#define IS_SAMSUNG_CPU(name, id, mask) \
static inline int is_samsung_##name(void) \
{ \
@@ -58,6 +61,7 @@ IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
@@ -120,6 +124,12 @@ IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
#define EXYNOS4210_REV_1_0 (0x10)
#define EXYNOS4210_REV_1_1 (0x11)
+#if defined(CONFIG_SOC_EXYNOS5250)
+# define soc_is_exynos5250() is_samsung_exynos5250()
+#else
+# define soc_is_exynos5250() 0
+#endif
+
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef MHZ
--
1.7.4.4
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