From c06af3cc6a27991187fd513765fed943684d41bf Mon Sep 17 00:00:00 2001 From: Kukjin Kim Date: Sat, 20 Aug 2011 02:18:18 +0900 Subject: ARM: SAMSUNG: Add support for detecting CPU at runtime The soc_is_[name]() can be used to distinguish cpu at runtime. This patch was originally from Changhwan Youn Acked-by: Changhwan Youn Cc: Ben Dooks Signed-off-by: Kukjin Kim --- arch/arm/plat-s5p/cpu.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) (limited to 'arch/arm/plat-s5p') diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index bbc2aa7449ca..3ef673482111 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -36,40 +36,40 @@ static const char name_exynos4210[] = "EXYNOS4210"; static struct cpu_table cpu_ids[] __initdata = { { - .idcode = 0x56440100, - .idmask = 0xfffff000, + .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 = 0x36450000, - .idmask = 0xfffff000, + .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, }, { - .idcode = 0x43100000, - .idmask = 0xfffff000, + .idcode = S5PC100_CPU_ID, + .idmask = S5PC100_CPU_MASK, .map_io = s5pc100_map_io, .init_clocks = s5pc100_init_clocks, .init_uarts = s5pc100_init_uarts, .init = s5pc100_init, .name = name_s5pc100, }, { - .idcode = 0x43110000, - .idmask = 0xfffff000, + .idcode = S5PV210_CPU_ID, + .idmask = S5PV210_CPU_MASK, .map_io = s5pv210_map_io, .init_clocks = s5pv210_init_clocks, .init_uarts = s5pv210_init_uarts, .init = s5pv210_init, .name = name_s5pv210, }, { - .idcode = 0x43210000, - .idmask = 0xfffe0000, + .idcode = EXYNOS4210_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, .map_io = exynos4_map_io, .init_clocks = exynos4_init_clocks, .init_uarts = exynos4_init_uarts, @@ -114,13 +114,11 @@ static struct map_desc s5p_iodesc[] __initdata = { void __init s5p_init_io(struct map_desc *mach_desc, int size, void __iomem *cpuid_addr) { - unsigned long idcode; - /* initialize the io descriptors we need for initialization */ iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc)); if (mach_desc) iotable_init(mach_desc, size); - idcode = __raw_readl(cpuid_addr); - s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); + samsung_cpu_id = __raw_readl(cpuid_addr); + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } -- cgit v1.2.3 From e6d1cb9f1fffd7e300af6d8f6731a486d6255e3f Mon Sep 17 00:00:00 2001 From: Kukjin Kim Date: Sat, 20 Aug 2011 12:18:07 +0900 Subject: ARM: SAMSUNG: Add support for handling of cpu revision This patch adds plat-samsung/cpu.c for detecting of cpu id and silicon revision. This patch was originally from Changhwan Youn Acked-by: Changhwan Youn Cc: Ben Dooks Signed-off-by: Kukjin Kim --- arch/arm/mach-s3c64xx/cpu.c | 10 ++---- arch/arm/plat-s3c24xx/cpu.c | 1 + arch/arm/plat-s5p/cpu.c | 4 ++- arch/arm/plat-samsung/Makefile | 2 +- arch/arm/plat-samsung/cpu.c | 58 ++++++++++++++++++++++++++++++++ arch/arm/plat-samsung/include/plat/cpu.h | 4 +++ arch/arm/plat-samsung/init.c | 1 - 7 files changed, 69 insertions(+), 11 deletions(-) create mode 100644 arch/arm/plat-samsung/cpu.c (limited to 'arch/arm/plat-s5p') diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c index 7b665f3e2e1f..6c498f9a18c5 100644 --- a/arch/arm/mach-s3c64xx/cpu.c +++ b/arch/arm/mach-s3c64xx/cpu.c @@ -144,14 +144,8 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); iotable_init(mach_desc, size); - samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0x118); - if (!samsung_cpu_id) { - /* S3C6400 has the ID register in a different place, - * and needs a write before it can be read. */ - - __raw_writel(0x0, S3C_VA_SYS + 0xA1C); - samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0xA1C); - } + /* detect cpu id */ + s3c64xx_init_cpu(); s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index ead21a4a7f8a..3c6335307fb1 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -224,6 +224,7 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) } else { samsung_cpu_id = s3c24xx_read_idcode_v4(); } + s3c24xx_init_cpu(); arm_pm_restart = s3c24xx_pm_restart; diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 3ef673482111..04392c70d055 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -119,6 +119,8 @@ void __init s5p_init_io(struct map_desc *mach_desc, if (mach_desc) iotable_init(mach_desc, size); - samsung_cpu_id = __raw_readl(cpuid_addr); + /* detect cpu id and rev. */ + s5p_init_cpu(cpuid_addr); + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 853764ba8cc5..3de756da5eaa 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -11,7 +11,7 @@ obj- := # Objects we always build independent of SoC choice -obj-y += init.o +obj-y += init.o cpu.o obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o obj-y += clock.o obj-y += pwm-clock.o diff --git a/arch/arm/plat-samsung/cpu.c b/arch/arm/plat-samsung/cpu.c new file mode 100644 index 000000000000..81c06d44c11e --- /dev/null +++ b/arch/arm/plat-samsung/cpu.c @@ -0,0 +1,58 @@ +/* linux/arch/arm/plat-samsung/cpu.c + * + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Samsung CPU Support + * + * 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 +#include +#include +#include + +#include + +#include +#include + +unsigned long samsung_cpu_id; +static unsigned int samsung_cpu_rev; + +unsigned int samsung_rev(void) +{ + return samsung_cpu_rev; +} +EXPORT_SYMBOL(samsung_rev); + +void __init s3c24xx_init_cpu(void) +{ + /* nothing here yet */ + + samsung_cpu_rev = 0; +} + +void __init s3c64xx_init_cpu(void) +{ + samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0x118); + if (!samsung_cpu_id) { + /* + * S3C6400 has the ID register in a different place, + * and needs a write before it can be read. + */ + __raw_writel(0x0, S3C_VA_SYS + 0xA1C); + samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0xA1C); + } + + samsung_cpu_rev = 0; +} + +void __init s5p_init_cpu(void __iomem *cpuid_addr) +{ + samsung_cpu_id = __raw_readl(cpuid_addr); + samsung_cpu_rev = samsung_cpu_id & 0xFF; +} diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index bdf43ad3b5ec..c22d110a1965 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -140,6 +140,10 @@ extern void s3c64xx_init_io(struct map_desc *mach_desc, int size); extern void s5p_init_io(struct map_desc *mach_desc, int size, void __iomem *cpuid_addr); +extern void s3c24xx_init_cpu(void); +extern void s3c64xx_init_cpu(void); +extern void s5p_init_cpu(void __iomem *cpuid_addr); + extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void s3c24xx_init_clocks(int xtal); diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c index 40b1228adb88..79d10fca9090 100644 --- a/arch/arm/plat-samsung/init.c +++ b/arch/arm/plat-samsung/init.c @@ -30,7 +30,6 @@ #include static struct cpu_table *cpu; -unsigned long samsung_cpu_id; static struct cpu_table * __init s3c_lookup_cpu(unsigned long idcode, struct cpu_table *tab, -- cgit v1.2.3 From 684653842b65b98538e5d6198998e68c879bd45e Mon Sep 17 00:00:00 2001 From: Kukjin Kim Date: Wed, 24 Aug 2011 17:25:09 +0900 Subject: ARM: EXYNOS4: Add support new EXYNOS4212 SoC This patch adds Samsung EXYNOS4212 SoC support. The EXYNOS4212 integrates a ARM Cortex A9 multi-core. Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/Kconfig | 5 +++++ arch/arm/mach-exynos4/Makefile | 6 ++++-- arch/arm/mach-exynos4/cpu.c | 6 +++++- arch/arm/plat-s5p/cpu.c | 9 +++++++++ arch/arm/plat-s5p/include/plat/exynos4.h | 3 +-- arch/arm/plat-samsung/include/plat/cpu.h | 8 ++++++++ 6 files changed, 32 insertions(+), 5 deletions(-) (limited to 'arch/arm/plat-s5p') diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index bee8f77de2ab..0b40289d4f73 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -15,6 +15,11 @@ config CPU_EXYNOS4210 help Enable EXYNOS4210 CPU support +config SOC_EXYNOS4212 + bool + help + Enable EXYNOS4212 SoC support + config EXYNOS4_MCT bool default y diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index e3e93ea41385..46244576452a 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -12,8 +12,10 @@ obj- := # Core support for EXYNOS4 system -obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o -obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o +obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o +obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o obj-$(CONFIG_PM) += pm.o sleep.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 0d281bbe345a..1e1a7a9d2ae7 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -241,7 +241,11 @@ static int __init exynos4_l2x0_cache_init(void) { /* TAG, Data Latency Control: 2cycle */ __raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL); - __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + + if (soc_is_exynos4210()) + __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + else if (soc_is_exynos4212()) + __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); /* L2X0 Prefetch Control */ __raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL); diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 04392c70d055..909507bae2fa 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -33,6 +33,7 @@ static const char name_s5p6450[] = "S5P6450"; static const char name_s5pc100[] = "S5PC100"; static const char name_s5pv210[] = "S5PV210/S5PC110"; static const char name_exynos4210[] = "EXYNOS4210"; +static const char name_exynos4212[] = "EXYNOS4212"; static struct cpu_table cpu_ids[] __initdata = { { @@ -75,6 +76,14 @@ static struct cpu_table cpu_ids[] __initdata = { .init_uarts = exynos4_init_uarts, .init = exynos4_init, .name = name_exynos4210, + }, { + .idcode = EXYNOS4212_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, + .map_io = exynos4_map_io, + .init_clocks = exynos4_init_clocks, + .init_uarts = exynos4_init_uarts, + .init = exynos4_init, + .name = name_exynos4212, }, }; diff --git a/arch/arm/plat-s5p/include/plat/exynos4.h b/arch/arm/plat-s5p/include/plat/exynos4.h index 907caab53dcf..4aed1305df5d 100644 --- a/arch/arm/plat-s5p/include/plat/exynos4.h +++ b/arch/arm/plat-s5p/include/plat/exynos4.h @@ -16,8 +16,7 @@ extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void exynos4_register_clocks(void); extern void exynos4_setup_clocks(void); -#ifdef CONFIG_CPU_EXYNOS4210 - +#ifdef CONFIG_ARCH_EXYNOS4 extern int exynos4_init(void); extern void exynos4_init_irq(void); extern void exynos4_map_io(void); diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index efd920ec3b75..1bbbbb420be7 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -39,6 +39,7 @@ extern unsigned long samsung_cpu_id; #define S5PV210_CPU_MASK 0xFFFFF000 #define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 #define EXYNOS4_CPU_MASK 0xFFFE0000 #define IS_SAMSUNG_CPU(name, id, mask) \ @@ -54,6 +55,7 @@ IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) 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) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ @@ -100,6 +102,12 @@ IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) # define soc_is_exynos4210() 0 #endif +#if defined(CONFIG_SOC_EXYNOS4212) +# define soc_is_exynos4212() is_samsung_exynos4212() +#else +# define soc_is_exynos4212() 0 +#endif + #define EXYNOS4210_REV_0 (0x0) #define EXYNOS4210_REV_1_0 (0x10) #define EXYNOS4210_REV_1_1 (0x11) -- cgit v1.2.3 From 2bc02c0daae146283ce1b20da6864a27c848812e Mon Sep 17 00:00:00 2001 From: Kukjin Kim Date: Wed, 24 Aug 2011 17:25:09 +0900 Subject: ARM: EXYNOS4: Add support clock for EXYNOS4212 This patch splits EXYNOS4 clock code to EXYNOS4 common, EXYNOS4210 and EXYNOS4212 for supporting new EXYNOS4212 SoC with one kernel image. Of course, this patch adds some clock codes for EXYNOS4212 SoC. Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/clock-exynos4210.c | 101 ++++++++++++++++ arch/arm/mach-exynos4/clock-exynos4212.c | 84 ++++++++++++++ arch/arm/mach-exynos4/clock.c | 127 +++++++++------------ arch/arm/mach-exynos4/cpu.c | 6 + arch/arm/mach-exynos4/include/mach/exynos4-clock.h | 43 +++++++ arch/arm/mach-exynos4/include/mach/regs-clock.h | 50 +++++--- arch/arm/plat-s5p/include/plat/exynos4.h | 2 + arch/arm/plat-s5p/include/plat/pll.h | 55 ++++++++- 8 files changed, 377 insertions(+), 91 deletions(-) create mode 100644 arch/arm/mach-exynos4/clock-exynos4210.c create mode 100644 arch/arm/mach-exynos4/clock-exynos4212.c create mode 100644 arch/arm/mach-exynos4/include/mach/exynos4-clock.h (limited to 'arch/arm/plat-s5p') diff --git a/arch/arm/mach-exynos4/clock-exynos4210.c b/arch/arm/mach-exynos4/clock-exynos4210.c new file mode 100644 index 000000000000..fe74b9179fec --- /dev/null +++ b/arch/arm/mach-exynos4/clock-exynos4210.c @@ -0,0 +1,101 @@ +/* + * linux/arch/arm/mach-exynos4/clock-exynos4210.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS4210 - Clock support + * + * 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 +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +static struct clksrc_clk *sysclks[] = { + /* nothing here yet */ +}; + +static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable); +} + +static struct clksrc_clk clksrcs[] = { + { + .clk = { + .name = "sclk_sata", + .id = -1, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 24), + }, + .sources = &clkset_mout_corebus, + .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 }, + .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimd", + .devname = "exynos4-fb.1", + .enable = exynos4_clksrc_mask_lcd1_ctrl, + .ctrlbit = (1 << 0), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 }, + }, +}; + +static struct clk init_clocks_off[] = { + { + .name = "sataphy", + .id = -1, + .parent = &clk_aclk_133.clk, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "sata", + .id = -1, + .parent = &clk_aclk_133.clk, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 10), + }, { + .name = "fimd", + .devname = "exynos4-fb.1", + .enable = exynos4_clk_ip_lcd1_ctrl, + .ctrlbit = (1 << 0), + }, +}; + +void __init exynos4210_register_clocks(void) +{ + int ptr; + + clk_mout_mpll.reg_src.reg = S5P_CLKSRC_CPU; + clk_mout_mpll.reg_src.shift = 8; + clk_mout_mpll.reg_src.size = 1; + + for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) + s3c_register_clksrc(sysclks[ptr], 1); + + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); +} diff --git a/arch/arm/mach-exynos4/clock-exynos4212.c b/arch/arm/mach-exynos4/clock-exynos4212.c new file mode 100644 index 000000000000..5a47a3f0dfe4 --- /dev/null +++ b/arch/arm/mach-exynos4/clock-exynos4212.c @@ -0,0 +1,84 @@ +/* + * linux/arch/arm/mach-exynos4/clock-exynos4212.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS4212 - Clock support + * + * 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 +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +static struct clk *clk_src_mpll_user_list[] = { + [0] = &clk_fin_mpll, + [1] = &clk_mout_mpll.clk, +}; + +static struct clksrc_sources clk_src_mpll_user = { + .sources = clk_src_mpll_user_list, + .nr_sources = ARRAY_SIZE(clk_src_mpll_user_list), +}; + +static struct clksrc_clk clk_mout_mpll_user = { + .clk = { + .name = "mout_mpll_user", + }, + .sources = &clk_src_mpll_user, + .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 24, .size = 1 }, +}; + +static struct clksrc_clk *sysclks[] = { + &clk_mout_mpll_user, +}; + +static struct clksrc_clk clksrcs[] = { + /* nothing here yet */ +}; + +static struct clk init_clocks_off[] = { + /* nothing here yet */ +}; + +void __init exynos4212_register_clocks(void) +{ + int ptr; + + /* usbphy1 is removed */ + clkset_group_list[4] = NULL; + + /* mout_mpll_user is used */ + clkset_group_list[6] = &clk_mout_mpll_user.clk; + clkset_aclk_top_list[0] = &clk_mout_mpll_user.clk; + + clk_mout_mpll.reg_src.reg = S5P_CLKSRC_DMC; + clk_mout_mpll.reg_src.shift = 12; + clk_mout_mpll.reg_src.size = 1; + + for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) + s3c_register_clksrc(sysclks[ptr], 1); + + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); +} diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c index 79d6cd0c8e7b..eb99467d6762 100644 --- a/arch/arm/mach-exynos4/clock.c +++ b/arch/arm/mach-exynos4/clock.c @@ -20,26 +20,28 @@ #include #include #include +#include #include #include #include +#include -static struct clk clk_sclk_hdmi27m = { +struct clk clk_sclk_hdmi27m = { .name = "sclk_hdmi27m", .rate = 27000000, }; -static struct clk clk_sclk_hdmiphy = { +struct clk clk_sclk_hdmiphy = { .name = "sclk_hdmiphy", }; -static struct clk clk_sclk_usbphy0 = { +struct clk clk_sclk_usbphy0 = { .name = "sclk_usbphy0", .rate = 27000000, }; -static struct clk clk_sclk_usbphy1 = { +struct clk clk_sclk_usbphy1 = { .name = "sclk_usbphy1", }; @@ -58,12 +60,7 @@ static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable); } -static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable) -{ - return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable); -} - -static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable) +int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable); } @@ -103,12 +100,12 @@ static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable); } -static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable) +int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable); } -static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable) +int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable); } @@ -133,7 +130,7 @@ static struct clksrc_clk clk_mout_apll = { .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 }, }; -static struct clksrc_clk clk_sclk_apll = { +struct clksrc_clk clk_sclk_apll = { .clk = { .name = "sclk_apll", .parent = &clk_mout_apll.clk, @@ -141,7 +138,7 @@ static struct clksrc_clk clk_sclk_apll = { .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 }, }; -static struct clksrc_clk clk_mout_epll = { +struct clksrc_clk clk_mout_epll = { .clk = { .name = "mout_epll", }, @@ -149,12 +146,13 @@ static struct clksrc_clk clk_mout_epll = { .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 }, }; -static struct clksrc_clk clk_mout_mpll = { +struct clksrc_clk clk_mout_mpll = { .clk = { .name = "mout_mpll", }, .sources = &clk_src_mpll, - .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 }, + + /* reg_src will be added in each SoCs' clock */ }; static struct clk *clkset_moutcore_list[] = { @@ -224,12 +222,12 @@ static struct clksrc_clk clk_periphclk = { /* Core list of CMU_CORE side */ -static struct clk *clkset_corebus_list[] = { +struct clk *clkset_corebus_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_sclk_apll.clk, }; -static struct clksrc_sources clkset_mout_corebus = { +struct clksrc_sources clkset_mout_corebus = { .sources = clkset_corebus_list, .nr_sources = ARRAY_SIZE(clkset_corebus_list), }; @@ -284,12 +282,12 @@ static struct clksrc_clk clk_pclk_acp = { /* Core list of CMU_TOP side */ -static struct clk *clkset_aclk_top_list[] = { +struct clk *clkset_aclk_top_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_sclk_apll.clk, }; -static struct clksrc_sources clkset_aclk = { +struct clksrc_sources clkset_aclk = { .sources = clkset_aclk_top_list, .nr_sources = ARRAY_SIZE(clkset_aclk_top_list), }; @@ -321,7 +319,7 @@ static struct clksrc_clk clk_aclk_160 = { .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 }, }; -static struct clksrc_clk clk_aclk_133 = { +struct clksrc_clk clk_aclk_133 = { .clk = { .name = "aclk_133", }, @@ -360,7 +358,7 @@ static struct clksrc_sources clkset_sclk_vpll = { .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list), }; -static struct clksrc_clk clk_sclk_vpll = { +struct clksrc_clk clk_sclk_vpll = { .clk = { .name = "sclk_vpll", }, @@ -409,16 +407,6 @@ static struct clk init_clocks_off[] = { .devname = "exynos4-fb.0", .enable = exynos4_clk_ip_lcd0_ctrl, .ctrlbit = (1 << 0), - }, { - .name = "fimd", - .devname = "exynos4-fb.1", - .enable = exynos4_clk_ip_lcd1_ctrl, - .ctrlbit = (1 << 0), - }, { - .name = "sataphy", - .parent = &clk_aclk_133.clk, - .enable = exynos4_clk_ip_fsys_ctrl, - .ctrlbit = (1 << 3), }, { .name = "hsmmc", .devname = "s3c-sdhci.0", @@ -448,11 +436,6 @@ static struct clk init_clocks_off[] = { .parent = &clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 9), - }, { - .name = "sata", - .parent = &clk_aclk_133.clk, - .enable = exynos4_clk_ip_fsys_ctrl, - .ctrlbit = (1 << 10), }, { .name = "pdma", .devname = "s3c-pl330.0", @@ -673,7 +656,7 @@ static struct clk init_clocks[] = { } }; -static struct clk *clkset_group_list[] = { +struct clk *clkset_group_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_xusbxti, [2] = &clk_sclk_hdmi27m, @@ -685,7 +668,7 @@ static struct clk *clkset_group_list[] = { [8] = &clk_sclk_vpll.clk, }; -static struct clksrc_sources clkset_group = { +struct clksrc_sources clkset_group = { .sources = clkset_group_list, .nr_sources = ARRAY_SIZE(clkset_group_list), }; @@ -967,25 +950,6 @@ static struct clksrc_clk clksrcs[] = { .sources = &clkset_group, .reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 }, .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_fimd", - .devname = "exynos4-fb.1", - .enable = exynos4_clksrc_mask_lcd1_ctrl, - .ctrlbit = (1 << 0), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_sata", - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 24), - }, - .sources = &clkset_mout_corebus, - .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 }, - .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 }, }, { .clk = { .name = "sclk_spi", @@ -1116,7 +1080,13 @@ static int xtal_rate; static unsigned long exynos4_fout_apll_get_rate(struct clk *clk) { - return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508); + if (soc_is_exynos4210()) + return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), + pll_4508); + else if (soc_is_exynos4212()) + return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0)); + else + return 0; } static struct clk_ops exynos4_fout_apll_ops = { @@ -1126,10 +1096,10 @@ static struct clk_ops exynos4_fout_apll_ops = { void __init_or_cpufreq exynos4_setup_clocks(void) { struct clk *xtal_clk; - unsigned long apll; - unsigned long mpll; - unsigned long epll; - unsigned long vpll; + unsigned long apll = 0; + unsigned long mpll = 0; + unsigned long epll = 0; + unsigned long vpll = 0; unsigned long vpllsrc; unsigned long xtal; unsigned long armclk; @@ -1153,14 +1123,29 @@ void __init_or_cpufreq exynos4_setup_clocks(void) printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508); - mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508); - epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0), - __raw_readl(S5P_EPLL_CON1), pll_4600); - - vpllsrc = clk_get_rate(&clk_vpllsrc.clk); - vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), - __raw_readl(S5P_VPLL_CON1), pll_4650c); + if (soc_is_exynos4210()) { + apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), + pll_4508); + mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), + pll_4508); + epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0), + __raw_readl(S5P_EPLL_CON1), pll_4600); + + vpllsrc = clk_get_rate(&clk_vpllsrc.clk); + vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), + __raw_readl(S5P_VPLL_CON1), pll_4650c); + } else if (soc_is_exynos4212()) { + apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0)); + mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0)); + epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0), + __raw_readl(S5P_EPLL_CON1)); + + vpllsrc = clk_get_rate(&clk_vpllsrc.clk); + vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), + __raw_readl(S5P_VPLL_CON1)); + } else { + /* nothing */ + } clk_fout_apll.ops = &exynos4_fout_apll_ops; clk_fout_mpll.rate = mpll; diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 1e1a7a9d2ae7..02ec52a99274 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -188,6 +188,12 @@ void __init exynos4_init_clocks(int xtal) s3c24xx_register_baseclocks(xtal); s5p_register_clocks(xtal); + + if (soc_is_exynos4210()) + exynos4210_register_clocks(); + else if (soc_is_exynos4212()) + exynos4212_register_clocks(); + exynos4_register_clocks(); exynos4_setup_clocks(); } diff --git a/arch/arm/mach-exynos4/include/mach/exynos4-clock.h b/arch/arm/mach-exynos4/include/mach/exynos4-clock.h new file mode 100644 index 000000000000..a07fcbf55251 --- /dev/null +++ b/arch/arm/mach-exynos4/include/mach/exynos4-clock.h @@ -0,0 +1,43 @@ +/* + * linux/arch/arm/mach-exynos4/include/mach/exynos4-clock.h + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Header file for exynos4 clock support + * + * 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. +*/ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H __FILE__ + +#include + +extern struct clk clk_sclk_hdmi27m; +extern struct clk clk_sclk_usbphy0; +extern struct clk clk_sclk_usbphy1; +extern struct clk clk_sclk_hdmiphy; + +extern struct clksrc_clk clk_sclk_apll; +extern struct clksrc_clk clk_mout_mpll; +extern struct clksrc_clk clk_aclk_133; +extern struct clksrc_clk clk_mout_epll; +extern struct clksrc_clk clk_sclk_vpll; + +extern struct clk *clkset_corebus_list[]; +extern struct clksrc_sources clkset_mout_corebus; + +extern struct clk *clkset_aclk_top_list[]; +extern struct clksrc_sources clkset_aclk; + +extern struct clk *clkset_group_list[]; +extern struct clksrc_sources clkset_group; + +extern int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable); +extern int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable); +extern int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable); + +#endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/mach-exynos4/include/mach/regs-clock.h b/arch/arm/mach-exynos4/include/mach/regs-clock.h index d493fdb422ff..e75d0f838645 100644 --- a/arch/arm/mach-exynos4/include/mach/regs-clock.h +++ b/arch/arm/mach-exynos4/include/mach/regs-clock.h @@ -13,6 +13,7 @@ #ifndef __ASM_ARCH_REGS_CLOCK_H #define __ASM_ARCH_REGS_CLOCK_H __FILE__ +#include #include #define S5P_CLKREG(x) (S5P_VA_CMU + (x)) @@ -41,12 +42,20 @@ #define S5P_CLKSRC_G3D S5P_CLKREG(0x0C22C) #define S5P_CLKSRC_IMAGE S5P_CLKREG(0x0C230) #define S5P_CLKSRC_LCD0 S5P_CLKREG(0x0C234) -#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238) #define S5P_CLKSRC_MAUDIO S5P_CLKREG(0x0C23C) #define S5P_CLKSRC_FSYS S5P_CLKREG(0x0C240) #define S5P_CLKSRC_PERIL0 S5P_CLKREG(0x0C250) #define S5P_CLKSRC_PERIL1 S5P_CLKREG(0x0C254) +#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310) +#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320) +#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324) +#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334) +#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C) +#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340) +#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350) +#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354) + #define S5P_CLKDIV_TOP S5P_CLKREG(0x0C510) #define S5P_CLKDIV_CAM S5P_CLKREG(0x0C520) #define S5P_CLKDIV_TV S5P_CLKREG(0x0C524) @@ -54,7 +63,6 @@ #define S5P_CLKDIV_G3D S5P_CLKREG(0x0C52C) #define S5P_CLKDIV_IMAGE S5P_CLKREG(0x0C530) #define S5P_CLKDIV_LCD0 S5P_CLKREG(0x0C534) -#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538) #define S5P_CLKDIV_MAUDIO S5P_CLKREG(0x0C53C) #define S5P_CLKDIV_FSYS0 S5P_CLKREG(0x0C540) #define S5P_CLKDIV_FSYS1 S5P_CLKREG(0x0C544) @@ -68,16 +76,6 @@ #define S5P_CLKDIV_PERIL5 S5P_CLKREG(0x0C564) #define S5P_CLKDIV2_RATIO S5P_CLKREG(0x0C580) -#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310) -#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320) -#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324) -#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334) -#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338) -#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C) -#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340) -#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350) -#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354) - #define S5P_CLKDIV_STAT_TOP S5P_CLKREG(0x0C610) #define S5P_CLKGATE_SCLKCAM S5P_CLKREG(0x0C820) @@ -85,13 +83,16 @@ #define S5P_CLKGATE_IP_TV S5P_CLKREG(0x0C924) #define S5P_CLKGATE_IP_MFC S5P_CLKREG(0x0C928) #define S5P_CLKGATE_IP_G3D S5P_CLKREG(0x0C92C) -#define S5P_CLKGATE_IP_IMAGE S5P_CLKREG(0x0C930) +#define S5P_CLKGATE_IP_IMAGE (soc_is_exynos4210() ? \ + S5P_CLKREG(0x0C930) : \ + S5P_CLKREG(0x04930)) #define S5P_CLKGATE_IP_LCD0 S5P_CLKREG(0x0C934) -#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938) #define S5P_CLKGATE_IP_FSYS S5P_CLKREG(0x0C940) #define S5P_CLKGATE_IP_GPS S5P_CLKREG(0x0C94C) #define S5P_CLKGATE_IP_PERIL S5P_CLKREG(0x0C950) -#define S5P_CLKGATE_IP_PERIR S5P_CLKREG(0x0C960) +#define S5P_CLKGATE_IP_PERIR (soc_is_exynos4210() ? \ + S5P_CLKREG(0x0C960) : \ + S5P_CLKREG(0x08960)) #define S5P_CLKGATE_BLOCK S5P_CLKREG(0x0C970) #define S5P_CLKSRC_MASK_DMC S5P_CLKREG(0x10300) @@ -102,11 +103,17 @@ #define S5P_CLKGATE_IP_DMC S5P_CLKREG(0x10900) #define S5P_APLL_LOCK S5P_CLKREG(0x14000) -#define S5P_MPLL_LOCK S5P_CLKREG(0x14004) +#define S5P_MPLL_LOCK (soc_is_exynos4210() ? \ + S5P_CLKREG(0x14004) : \ + S5P_CLKREG(0x10008)) #define S5P_APLL_CON0 S5P_CLKREG(0x14100) #define S5P_APLL_CON1 S5P_CLKREG(0x14104) -#define S5P_MPLL_CON0 S5P_CLKREG(0x14108) -#define S5P_MPLL_CON1 S5P_CLKREG(0x1410C) +#define S5P_MPLL_CON0 (soc_is_exynos4210() ? \ + S5P_CLKREG(0x14108) : \ + S5P_CLKREG(0x10108)) +#define S5P_MPLL_CON1 (soc_is_exynos4210() ? \ + S5P_CLKREG(0x1410C) : \ + S5P_CLKREG(0x1010C)) #define S5P_CLKSRC_CPU S5P_CLKREG(0x14200) #define S5P_CLKMUX_STATCPU S5P_CLKREG(0x14400) @@ -183,6 +190,13 @@ #define S5P_CLKDIV_BUS_GPLR_SHIFT (4) #define S5P_CLKDIV_BUS_GPLR_MASK (0x7 << S5P_CLKDIV_BUS_GPLR_SHIFT) +/* Only for EXYNOS4210 */ + +#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238) +#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338) +#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538) +#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938) + /* Compatibility defines and inclusion */ #include diff --git a/arch/arm/plat-s5p/include/plat/exynos4.h b/arch/arm/plat-s5p/include/plat/exynos4.h index 4aed1305df5d..f680a143e38c 100644 --- a/arch/arm/plat-s5p/include/plat/exynos4.h +++ b/arch/arm/plat-s5p/include/plat/exynos4.h @@ -14,6 +14,8 @@ extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void exynos4_register_clocks(void); +extern void exynos4210_register_clocks(void); +extern void exynos4212_register_clocks(void); extern void exynos4_setup_clocks(void); #ifdef CONFIG_ARCH_EXYNOS4 diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h index bf28fadee7ae..1bfd61a4c8de 100644 --- a/arch/arm/plat-s5p/include/plat/pll.h +++ b/arch/arm/plat-s5p/include/plat/pll.h @@ -12,6 +12,59 @@ * published by the Free Software Foundation. */ +#include + +#define PLL35XX_MDIV_MASK (0x3FF) +#define PLL35XX_PDIV_MASK (0x3F) +#define PLL35XX_SDIV_MASK (0x7) +#define PLL35XX_MDIV_SHIFT (16) +#define PLL35XX_PDIV_SHIFT (8) +#define PLL35XX_SDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll35xx(unsigned long baseclk, u32 pll_con) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL35XX_MDIV_SHIFT) & PLL35XX_MDIV_MASK; + pdiv = (pll_con >> PLL35XX_PDIV_SHIFT) & PLL35XX_PDIV_MASK; + sdiv = (pll_con >> PLL35XX_SDIV_SHIFT) & PLL35XX_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} + +#define PLL36XX_KDIV_MASK (0xFFFF) +#define PLL36XX_MDIV_MASK (0x1FF) +#define PLL36XX_PDIV_MASK (0x3F) +#define PLL36XX_SDIV_MASK (0x7) +#define PLL36XX_MDIV_SHIFT (16) +#define PLL36XX_PDIV_SHIFT (8) +#define PLL36XX_SDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll36xx(unsigned long baseclk, + u32 pll_con0, u32 pll_con1) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll_con0 >> PLL36XX_MDIV_SHIFT) & PLL36XX_MDIV_MASK; + pdiv = (pll_con0 >> PLL36XX_PDIV_SHIFT) & PLL36XX_PDIV_MASK; + sdiv = (pll_con0 >> PLL36XX_SDIV_SHIFT) & PLL36XX_SDIV_MASK; + kdiv = pll_con1 & PLL36XX_KDIV_MASK; + + tmp = baseclk; + + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} + #define PLL45XX_MDIV_MASK (0x3FF) #define PLL45XX_PDIV_MASK (0x3F) #define PLL45XX_SDIV_MASK (0x7) @@ -19,8 +72,6 @@ #define PLL45XX_PDIV_SHIFT (8) #define PLL45XX_SDIV_SHIFT (0) -#include - enum pll45xx_type_t { pll_4500, pll_4502, -- cgit v1.2.3 From e6a275a8f92392f27e3accd6182d52627ef37258 Mon Sep 17 00:00:00 2001 From: Changhwan Youn Date: Tue, 4 Oct 2011 17:08:56 +0900 Subject: ARM: EXYNOS4: Add support new EXYNOS4412 SoC This patch adds Samsung EXYNOS4412 SoC support. The EXYNOS4412 integrates a ARM Cortex A9 quad-core. Signed-off-by: Changhwan Youn Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/Kconfig | 5 +++++ arch/arm/mach-exynos4/cpu.c | 4 ++-- arch/arm/plat-s5p/cpu.c | 9 +++++++++ arch/arm/plat-samsung/include/plat/cpu.h | 8 ++++++++ 4 files changed, 24 insertions(+), 2 deletions(-) (limited to 'arch/arm/plat-s5p') diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index c595bb03f417..c255d6f7ec5f 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -20,6 +20,11 @@ config SOC_EXYNOS4212 help Enable EXYNOS4212 SoC support +config SOC_EXYNOS4412 + bool + help + Enable EXYNOS4412 SoC support + config EXYNOS4_MCT bool default y diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 35fe8421bc34..940bc12f7547 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -191,7 +191,7 @@ void __init exynos4_init_clocks(int xtal) if (soc_is_exynos4210()) exynos4210_register_clocks(); - else if (soc_is_exynos4212()) + else if (soc_is_exynos4212() || soc_is_exynos4412()) exynos4212_register_clocks(); exynos4_register_clocks(); @@ -255,7 +255,7 @@ static int __init exynos4_l2x0_cache_init(void) if (soc_is_exynos4210()) __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); - else if (soc_is_exynos4212()) + else if (soc_is_exynos4212() || soc_is_exynos4412()) __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); /* L2X0 Prefetch Control */ diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 909507bae2fa..7b0a28f73a68 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -34,6 +34,7 @@ static const char name_s5pc100[] = "S5PC100"; static const char name_s5pv210[] = "S5PV210/S5PC110"; static const char name_exynos4210[] = "EXYNOS4210"; static const char name_exynos4212[] = "EXYNOS4212"; +static const char name_exynos4412[] = "EXYNOS4412"; static struct cpu_table cpu_ids[] __initdata = { { @@ -84,6 +85,14 @@ static struct cpu_table cpu_ids[] __initdata = { .init_uarts = exynos4_init_uarts, .init = exynos4_init, .name = name_exynos4212, + }, { + .idcode = EXYNOS4412_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, + .map_io = exynos4_map_io, + .init_clocks = exynos4_init_clocks, + .init_uarts = exynos4_init_uarts, + .init = exynos4_init, + .name = name_exynos4412, }, }; diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 1bbbbb420be7..54f370f0fc07 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -40,6 +40,7 @@ extern unsigned long samsung_cpu_id; #define EXYNOS4210_CPU_ID 0x43210000 #define EXYNOS4212_CPU_ID 0x43220000 +#define EXYNOS4412_CPU_ID 0xE4412200 #define EXYNOS4_CPU_MASK 0xFFFE0000 #define IS_SAMSUNG_CPU(name, id, mask) \ @@ -56,6 +57,7 @@ IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) 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) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ @@ -108,6 +110,12 @@ IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) # define soc_is_exynos4212() 0 #endif +#if defined(CONFIG_SOC_EXYNOS4412) +# define soc_is_exynos4412() is_samsung_exynos4412() +#else +# define soc_is_exynos4412() 0 +#endif + #define EXYNOS4210_REV_0 (0x0) #define EXYNOS4210_REV_1_0 (0x10) #define EXYNOS4210_REV_1_1 (0x11) -- cgit v1.2.3