This patch adds support for EXYNOS5440 SoC which is including
Cortex-A15 Quad cores.
Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
---
arch/arm/mach-exynos/Kconfig | 20 ++++++
arch/arm/mach-exynos/Makefile | 3 +-
arch/arm/mach-exynos/common.c | 85 ++++++++++++++++++++++++--
arch/arm/mach-exynos/common.h | 2 +
arch/arm/mach-exynos/dev-uart.c | 14 ++++
arch/arm/mach-exynos/include/mach/irqs.h | 5 ++
arch/arm/mach-exynos/include/mach/map.h | 8 +++
arch/arm/mach-exynos/include/mach/regs-pmu.h | 1 +
arch/arm/mach-exynos/mach-exynos5-dt.c | 34 ++++++++---
arch/arm/mach-exynos/mct.c | 15 +++++
arch/arm/mach-exynos/setup-i2c0.c | 2 +-
arch/arm/plat-samsung/include/plat/cpu.h | 8 +++
arch/arm/plat-samsung/include/plat/devs.h | 1 +
drivers/tty/serial/samsung.c | 3 +-
14 files changed, 184 insertions(+), 17 deletions(-)
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 1d0d083..c047aba 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -68,6 +68,16 @@ config SOC_EXYNOS5250
help
Enable EXYNOS5250 SoC support
+config SOC_EXYNOS5440
+ bool "SAMSUNG EXYNOS5440"
+ default y
+ depends on ARCH_EXYNOS5
+ select ARM_ARCH_TIMER
+ select AUTO_ZRELADDR
+ select COMMON_CLK
+ help
+ Enable EXYNOS5440 SoC support
+
config EXYNOS4_MCT
bool
default y
@@ -426,6 +436,16 @@ config MACH_EXYNOS5_DT
Machine support for Samsung EXYNOS5 machine with device tree enabled.
Select this if a fdt blob is available for the EXYNOS5 SoC based board.
+config MACH_EXYNOS5440_DT
+ bool "SAMSUNG EXYNOS5440 Machine using device tree"
+ depends on ARCH_EXYNOS5
+ select ARM_AMBA
+ select SOC_EXYNOS5440
+ select USE_OF
+ help
+ Machine support for Samsung EXYNOS5440 machine with device tree enabled.
+ Select this if a fdt blob is available for the EXYNOS5440 SoC based board.
+
if ARCH_EXYNOS4
comment "Configuration for HSMMC 8-bit bus width"
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index ad66c9f4..92df758 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -13,7 +13,7 @@ obj- :=
# Core
obj-$(CONFIG_ARCH_EXYNOS) += common.o
-obj-$(CONFIG_ARCH_EXYNOS5) += clock-exynos5.o
+obj-$(CONFIG_SOC_EXYNOS5250) += clock-exynos5.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
@@ -41,6 +41,7 @@ obj-$(CONFIG_MACH_SMDK4412) += mach-smdk4x12.o
obj-$(CONFIG_MACH_EXYNOS4_DT) += mach-exynos4-dt.o
obj-$(CONFIG_MACH_EXYNOS5_DT) += mach-exynos5-dt.o
+obj-$(CONFIG_MACH_EXYNOS5440_DT) += mach-exynos5-dt.o
# device support
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index fea1542..786d8f4 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -57,9 +57,11 @@ 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 const char name_exynos5440[] = "EXYNOS5440";
static void exynos4_map_io(void);
static void exynos5_map_io(void);
+static void exynos5440_map_io(void);
static void exynos5_init_clocks(int xtal);
static void exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no);
static int exynos_init(void);
@@ -94,6 +96,13 @@ static struct cpu_table cpu_ids[] __initdata = {
.init_uarts = exynos_init_uarts,
.init = exynos_init,
.name = name_exynos5250,
+ }, {
+ .idcode = EXYNOS5440_SOC_ID,
+ .idmask = EXYNOS5_SOC_MASK,
+ .map_io = exynos5440_map_io,
+ .init_uarts = exynos_init_uarts,
+ .init = exynos_init,
+ .name = name_exynos5440,
},
};
@@ -108,6 +117,15 @@ static struct map_desc exynos_iodesc[] __initdata = {
},
};
+static struct map_desc exynos5440_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_CHIPID,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_CHIPID),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
static struct map_desc exynos4_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_SYS,
@@ -274,6 +292,25 @@ static struct map_desc exynos5_iodesc[] __initdata = {
},
};
+static struct map_desc exynos5440_iodesc0[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_UART,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_UART0),
+ .length = SZ_512K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_CPU,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_GIC_CPU),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S5P_VA_GIC_DIST,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_GIC_DIST),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ },
+};
+
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
@@ -281,11 +318,29 @@ void exynos4_restart(char mode, const char *cmd)
void exynos5_restart(char mode, const char *cmd)
{
- __raw_writel(0x1, EXYNOS_SWRESET);
+ u32 val;
+ void __iomem *addr;
+
+ if (of_machine_is_compatible("samsung,exynos5250")) {
+ val = 0x1;
+ addr = EXYNOS_SWRESET;
+ } else if (of_machine_is_compatible("samsung,exynos5440")) {
+ val = (0x10 << 20) | (0x1 << 16);
+ addr = EXYNOS5440_SWRESET;
+ } else {
+ pr_err("%s: cannot support non-DT\n", __func__);
+ return;
+ }
+
+ __raw_writel(val, addr);
}
void __init exynos_init_late(void)
{
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ /* to be supported later */
+ return;
+
exynos_pm_late_initcall();
}
@@ -298,7 +353,11 @@ void __init exynos_init_late(void)
void __init exynos_init_io(struct map_desc *mach_desc, int size)
{
/* initialize the io descriptors we need for initialization */
- iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ iotable_init(exynos5440_iodesc, ARRAY_SIZE(exynos5440_iodesc));
+ else
+ iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
+
if (mach_desc)
iotable_init(mach_desc, size);
@@ -364,6 +423,11 @@ static void __init exynos5_map_io(void)
s3c_i2c2_setname("s3c2440-i2c");
}
+static void __init exynos5440_map_io(void)
+{
+ iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
+}
+
static void __init exynos5_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
@@ -587,6 +651,11 @@ static const struct of_device_id exynos4_dt_irq_match[] = {
.data = combiner_of_init, },
{},
};
+
+static const struct of_device_id exynos5440_dt_irq_match[] = {
+ { .compatible = "arm,cortex-a15-gic", .data = gic_of_init, },
+ {},
+};
#endif
void __init exynos4_init_irq(void)
@@ -616,14 +685,18 @@ void __init exynos4_init_irq(void)
void __init exynos5_init_irq(void)
{
#ifdef CONFIG_OF
- of_irq_init(exynos4_dt_irq_match);
+ if (soc_is_exynos5440())
+ of_irq_init(exynos5440_dt_irq_match);
+ else
+ of_irq_init(exynos4_dt_irq_match);
#endif
/*
* 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);
+ if (!soc_is_exynos5440())
+ s5p_init_irq(NULL, 0);
}
struct bus_type exynos_subsys = {
@@ -646,7 +719,7 @@ static int __init exynos4_l2x0_cache_init(void)
{
int ret;
- if (soc_is_exynos5250())
+ if (soc_is_exynos5250() || soc_is_exynos5440())
return 0;
ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
@@ -714,6 +787,8 @@ static void __init exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no)
if (soc_is_exynos5250())
s3c24xx_init_uartdevs("exynos4210-uart", exynos5_uart_resources, cfg, no);
+ else if (soc_is_exynos5440())
+ s3c24xx_init_uartdevs("exynos4210-uart", exynos5440_uart_resources, cfg, no);
else
s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
}
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 7a4e0ea..99b88f8 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -13,9 +13,11 @@
#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
extern struct sys_timer exynos4_timer;
+extern struct sys_timer exynos5_timer;
struct map_desc;
void exynos_init_io(struct map_desc *mach_desc, int size);
+void exynos5440_init_io(struct map_desc *mach_desc, int size);
void exynos4_init_irq(void);
void exynos5_init_irq(void);
void exynos4_restart(char mode, const char *cmd);
diff --git a/arch/arm/mach-exynos/dev-uart.c b/arch/arm/mach-exynos/dev-uart.c
index 2e85c02..95b887f 100644
--- a/arch/arm/mach-exynos/dev-uart.c
+++ b/arch/arm/mach-exynos/dev-uart.c
@@ -76,3 +76,17 @@ struct s3c24xx_uart_resources exynos5_uart_resources[] __initdata = {
.nr_resources = ARRAY_SIZE(exynos5_uart3_resource),
},
};
+
+EXYNOS_UART_RESOURCE(5440, 0)
+EXYNOS_UART_RESOURCE(5440, 1)
+
+struct s3c24xx_uart_resources exynos5440_uart_resources[] __initdata = {
+ [0] = {
+ .resources = exynos5440_uart0_resource,
+ .nr_resources = ARRAY_SIZE(exynos5440_uart0_resource),
+ },
+ [1] = {
+ .resources = exynos5440_uart1_resource,
+ .nr_resources = ARRAY_SIZE(exynos5440_uart0_resource),
+ },
+};
diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h
index 35bced6..f43a96c 100644
--- a/arch/arm/mach-exynos/include/mach/irqs.h
+++ b/arch/arm/mach-exynos/include/mach/irqs.h
@@ -333,6 +333,11 @@
#define EXYNOS5_IRQ_FIMC_LITE1 IRQ_SPI(126)
#define EXYNOS5_IRQ_RP_TIMER IRQ_SPI(127)
+/* EXYNOS5440 */
+
+#define EXYNOS5440_IRQ_UART0 IRQ_SPI(2)
+#define EXYNOS5440_IRQ_UART1 IRQ_SPI(3)
+
#define EXYNOS5_IRQ_PMU COMBINER_IRQ(1, 2)
#define EXYNOS5_IRQ_SYSMMU_GSC0_0 COMBINER_IRQ(2, 0)
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 8480849..d0602d3 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -53,12 +53,14 @@
#define EXYNOS4_PA_ONENAND_DMA 0x0C600000
#define EXYNOS_PA_CHIPID 0x10000000
+#define EXYNOS5440_PA_CHIPID 0x00160000
#define EXYNOS4_PA_SYSCON 0x10010000
#define EXYNOS5_PA_SYSCON 0x10050100
#define EXYNOS4_PA_PMU 0x10020000
#define EXYNOS5_PA_PMU 0x10040000
+#define EXYNOS5440_PA_PMU 0x00160000
#define EXYNOS4_PA_CMU 0x10030000
#define EXYNOS5_PA_CMU 0x10010000
@@ -83,6 +85,8 @@
#define EXYNOS4_PA_GIC_DIST 0x10490000
#define EXYNOS5_PA_GIC_CPU 0x10482000
#define EXYNOS5_PA_GIC_DIST 0x10481000
+#define EXYNOS5440_PA_GIC_CPU 0x002E2000
+#define EXYNOS5440_PA_GIC_DIST 0x002E1000
#define EXYNOS4_PA_COREPERI 0x10500000
#define EXYNOS4_PA_TWD 0x10500600
@@ -281,6 +285,10 @@
#define EXYNOS5_PA_UART3 0x12C30000
#define EXYNOS5_SZ_UART SZ_256
+#define EXYNOS5440_PA_UART0 0x000B0000
+#define EXYNOS5440_PA_UART1 0x000C0000
+#define EXYNOS5440_SZ_UART SZ_256
+
#define S3C_VA_UARTx(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET))
#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h
index d4e392b..c0b74f3 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_SWRESET S5P_PMUREG(0x0400)
#define EXYNOS_SWRESET S5P_PMUREG(0x0400)
+#define EXYNOS5440_SWRESET S5P_PMUREG(0x00C4)
#define S5P_WAKEUP_STAT S5P_PMUREG(0x0600)
#define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604)
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index db1cd8e..7052f80 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -75,20 +75,24 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
{},
};
-static void __init exynos5250_dt_map_io(void)
+static void __init exynos5_dt_map_io(void)
{
exynos_init_io(NULL, 0);
- s3c24xx_init_clocks(24000000);
+
+ if (of_machine_is_compatible("samsung,exynos5250"))
+ s3c24xx_init_clocks(24000000);
}
-static void __init exynos5250_dt_machine_init(void)
+static void __init exynos5_dt_machine_init(void)
{
- of_platform_populate(NULL, of_default_bus_match_table,
- exynos5250_auxdata_lookup, NULL);
+ if (of_machine_is_compatible("samsung,exynos5250"))
+ of_platform_populate(NULL, of_default_bus_match_table,
+ exynos5250_auxdata_lookup, NULL);
}
-static char const *exynos5250_dt_compat[] __initdata = {
+static char const *exynos5_dt_compat[] __initdata = {
"samsung,exynos5250",
+ "samsung,exynos5440",
NULL
};
@@ -96,11 +100,23 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
/* Maintainer: Kukjin Kim <kgene.kim@xxxxxxxxxxx> */
.init_irq = exynos5_init_irq,
.smp = smp_ops(exynos_smp_ops),
- .map_io = exynos5250_dt_map_io,
+ .map_io = exynos5_dt_map_io,
.handle_irq = gic_handle_irq,
- .init_machine = exynos5250_dt_machine_init,
+ .init_machine = exynos5_dt_machine_init,
.init_late = exynos_init_late,
.timer = &exynos4_timer,
- .dt_compat = exynos5250_dt_compat,
+ .dt_compat = exynos5_dt_compat,
+ .restart = exynos5_restart,
+MACHINE_END
+
+DT_MACHINE_START(EXYNOS5440_DT, "SAMSUNG EXYNOS5440 (Flattened Device Tree)")
+ /* Maintainer: Kukjin Kim <kgene.kim@xxxxxxxxxxx> */
+ .init_irq = exynos5_init_irq,
+ .smp = smp_ops(exynos_smp_ops),
+ .map_io = exynos5_dt_map_io,
+ .handle_irq = gic_handle_irq,
+ .init_machine = exynos5_dt_machine_init,
+ .timer = &exynos5_timer,
+ .dt_compat = exynos5_dt_compat,
.restart = exynos5_restart,
MACHINE_END
diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index cc3805a..31f45ec 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -19,7 +19,9 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/percpu.h>
+#include <linux/of.h>
+#include <asm/arch_timer.h>
#include <asm/hardware/gic.h>
#include <asm/localtimer.h>
@@ -487,6 +489,9 @@ static void __init exynos4_timer_init(void)
exynos4x12_clk_init();
#endif
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ arch_timer_of_register();
+
if ((soc_is_exynos4210()) || (soc_is_exynos5250()))
mct_int_type = MCT_INT_SPI;
else
@@ -500,3 +505,13 @@ static void __init exynos4_timer_init(void)
struct sys_timer exynos4_timer = {
.init = exynos4_timer_init,
};
+
+static void __init exynos5_timer_init(void)
+{
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ arch_timer_of_register();
+}
+
+struct sys_timer exynos5_timer = {
+ .init = exynos5_timer_init,
+};
diff --git a/arch/arm/mach-exynos/setup-i2c0.c b/arch/arm/mach-exynos/setup-i2c0.c
index 5700f23..e2d9dfb 100644
--- a/arch/arm/mach-exynos/setup-i2c0.c
+++ b/arch/arm/mach-exynos/setup-i2c0.c
@@ -20,7 +20,7 @@ struct platform_device; /* don't need the contents */
void s3c_i2c0_cfg_gpio(struct platform_device *dev)
{
- if (soc_is_exynos5250())
+ if (soc_is_exynos5250() || soc_is_exynos5440())
/* will be implemented with gpio function */
return;
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index ace4451..e0072ce 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -43,6 +43,7 @@ extern unsigned long samsung_cpu_id;
#define EXYNOS4_CPU_MASK 0xFFFE0000
#define EXYNOS5250_SOC_ID 0x43520000
+#define EXYNOS5440_SOC_ID 0x54400000
#define EXYNOS5_SOC_MASK 0xFFFFF000
#define IS_SAMSUNG_CPU(name, id, mask) \
@@ -62,6 +63,7 @@ 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)
+IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
@@ -130,6 +132,12 @@ IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
# define soc_is_exynos5250() 0
#endif
+#if defined(CONFIG_SOC_EXYNOS5440)
+# define soc_is_exynos5440() is_samsung_exynos5440()
+#else
+# define soc_is_exynos5440() 0
+#endif
+
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef KHZ
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 5da4b4f..cd90038 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -28,6 +28,7 @@ extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
extern struct s3c24xx_uart_resources s5p_uart_resources[];
extern struct s3c24xx_uart_resources exynos4_uart_resources[];
extern struct s3c24xx_uart_resources exynos5_uart_resources[];
+extern struct s3c24xx_uart_resources exynos5440_uart_resources[];
extern struct platform_device *s3c24xx_uart_devs[];
extern struct platform_device *s3c24xx_uart_src[];
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 7f04717..0e26a16 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1646,7 +1646,8 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
#endif
#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) || \
- defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
+ defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) || \
+ defined(CONFIG_SOC_EXYNOS5440)
static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
.info = &(struct s3c24xx_uart_info) {
.name = "Samsung Exynos4 UART",
--
1.7.4.4
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