diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3f7714d8d2d216bf3bbd7b4a5b227ea982997554..76b025e3a74afa6d4312cb3b0a90d7a02442ddff 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -727,6 +727,7 @@ config ARCH_S3C64XX select ARM_VIC select CLKDEV_LOOKUP select CLKSRC_SAMSUNG_PWM + select COMMON_CLK select CPU_V6 select GENERIC_CLOCKEVENTS select GPIO_SAMSUNG @@ -740,7 +741,6 @@ config ARCH_S3C64XX select S3C_DEV_NAND select S3C_GPIO_TRACK select SAMSUNG_ATAGS - select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 31d0c9101272196e81f7da943bc25bfdd1420722..645a8fe55f8d4ed166efffc1f7368e01615cc0da 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -12,7 +12,7 @@ obj- := # Core -obj-y += common.o clock.o +obj-y += common.o # Core support diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 73d79cf5e14118b1e99861c5bd79d6ffc9517164..7d3cb58f1856912c1119b95bdcd1ea4ea41e3718 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -38,7 +39,6 @@ #include #include -#include #include #include #include @@ -50,6 +50,19 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xtal_f = 12000000, xusbxti_f = 48000000; + +void __init s3c64xx_set_xtal_freq(unsigned long freq) +{ + xtal_f = freq; +} + +void __init s3c64xx_set_xusbxti_freq(unsigned long freq) +{ + xusbxti_f = freq; +} + /* uart registration process */ static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) @@ -67,7 +80,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6400_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6400_map_io, - .init_clocks = s3c6400_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6400_init, .name = name_s3c6400, @@ -75,7 +87,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6410_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6410_map_io, - .init_clocks = s3c6410_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6410_init, .name = name_s3c6410, @@ -213,8 +224,10 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) { /* * FIXME: there is no better place to put this at the moment - * (samsung_wdt_reset_init needs clocks) + * (s3c64xx_clk_init needs ioremap and must happen before init_time + * samsung_wdt_reset_init needs clocks) */ + s3c64xx_clk_init(NULL, xtal_f, xusbxti_f, soc_is_s3c6400(), S3C_VA_SYS); samsung_wdt_reset_init(S3C_VA_WATCHDOG); printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h index e8f990b37665b900d667c7332b6e26bf389beb93..a2af0e1fdb005573109b37ac506d0f97b8b87326 100644 --- a/arch/arm/mach-s3c64xx/common.h +++ b/arch/arm/mach-s3c64xx/common.h @@ -22,18 +22,19 @@ void s3c64xx_init_irq(u32 vic0, u32 vic1); void s3c64xx_init_io(struct map_desc *mach_desc, int size); -void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit); -void s3c64xx_setup_clocks(void); - void s3c64xx_restart(enum reboot_mode mode, const char *cmd); void s3c64xx_init_late(void); +void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, + unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base); +void s3c64xx_set_xtal_freq(unsigned long freq); +void s3c64xx_set_xusbxti_freq(unsigned long freq); + #ifdef CONFIG_CPU_S3C6400 extern int s3c6400_init(void); extern void s3c6400_init_irq(void); extern void s3c6400_map_io(void); -extern void s3c6400_init_clocks(int xtal); #else #define s3c6400_init_clocks NULL @@ -46,7 +47,6 @@ extern void s3c6400_init_clocks(int xtal); extern int s3c6410_init(void); extern void s3c6410_init_irq(void); extern void s3c6410_map_io(void); -extern void s3c6410_init_clocks(int xtal); #else #define s3c6410_init_clocks NULL diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 35e3f54574eff6773f5c2eca10b69d0d1e02cccc..d266dd5f7060ec37d0266205bf129bdf86177a3e 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -207,7 +207,7 @@ static struct platform_device *anw6410_devices[] __initdata = { static void __init anw6410_map_io(void) { s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1aca420005fa5e0988a099e51eb8ec6f94..1a911df9e4519e4c2f6ca494b5a2b182a14e765b 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -743,7 +743,7 @@ static struct s3c2410_platform_i2c i2c1_pdata = { static void __init crag6410_map_io(void) { s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(crag6410_uartcfgs, ARRAY_SIZE(crag6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index f39569e0f2e6c4045f95e333a255c72d87be4c98..e8064044ef796d35a12bfcc0e06c86dea065dca1 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -247,7 +247,7 @@ static struct platform_device *hmt_devices[] __initdata = { static void __init hmt_map_io(void) { s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index fc043e3ecdf8a869ea77e27af42dad5c24222356..58d46a3d7b78936f88318824d1a378fea2532fc1 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -231,7 +231,7 @@ static void __init mini6410_map_io(void) u32 tmp; s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c index 7e2c3908f1f87a2db546867d9ff8417e2051049e..2067b0bf55b43127eef766b52beb283a11db6431 100644 --- a/arch/arm/mach-s3c64xx/mach-ncp.c +++ b/arch/arm/mach-s3c64xx/mach-ncp.c @@ -86,7 +86,7 @@ static struct map_desc ncp_iodesc[] __initdata = {}; static void __init ncp_map_io(void) { s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index 86d980b448fd0bc272e1e0cf1ab616f0e32ab24e..0f47237be3b2dd2286fe0582791548d16df3a786 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -337,13 +337,6 @@ static int __init smartq_usb_host_init(void) return ret; } -static int __init smartq_usb_otg_init(void) -{ - clk_xusbxti.rate = 12000000; - - return 0; -} - static int __init smartq_wifi_init(void) { int ret; @@ -377,7 +370,8 @@ static struct map_desc smartq_iodesc[] __initdata = {}; void __init smartq_map_io(void) { s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); + s3c64xx_set_xusbxti_freq(12000000); s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -399,7 +393,6 @@ void __init smartq_machine_init(void) WARN_ON(smartq_lcd_setup_gpio()); WARN_ON(smartq_power_off_init()); WARN_ON(smartq_usb_host_init()); - WARN_ON(smartq_usb_otg_init()); WARN_ON(smartq_wifi_init()); platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c index d70c0843aea2d8bca384cc814d0270e778def128..27381cfcabbedbe2a669272d3786f56db08f11ba 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c @@ -65,7 +65,7 @@ static struct map_desc smdk6400_iodesc[] = {}; static void __init smdk6400_map_io(void) { s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d90b450c5645bb9f9c10944a65e3086623e25b3b..2a7b32ca5c96a3037c007eeb032092cf2127bfec 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -634,7 +634,7 @@ static void __init smdk6410_map_io(void) u32 tmp; s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 4869714c6f1bb015e4b6af08705837169bad2466..331fe8e581457ae0ce37dbfc769cd741d0b7c21e 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -58,12 +58,6 @@ void __init s3c6400_map_io(void) s3c64xx_onenand1_setname("s3c6400-onenand"); } -void __init s3c6400_init_clocks(int xtal) -{ - s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6400_init_irq(void) { /* VIC0 does not have IRQS 5..7, diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 31c29fdf1800404948a9e9e207454dcf337b7f7e..7e6fa125584ac721aecb2c0c38f3011662ea1560 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -62,13 +62,6 @@ void __init s3c6410_map_io(void) s3c_cfcon_setname("s3c64xx-pata"); } -void __init s3c6410_init_clocks(int xtal) -{ - printk(KERN_DEBUG "%s: initialising clocks\n", __func__); - s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6410_init_irq(void) { /* VIC0 is missing IRQ7, VIC1 is fully populated. */ diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 3413380086d5b22f7e9a618231e33af9a1e37b1e..8eb4799237f03d5106cfe52537c587fb7fc648dd 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -8,6 +8,4 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o -ifdef CONFIG_COMMON_CLK obj-$(CONFIG_ARCH_S3C64XX) += clk-s3c64xx.o -endif