From 50d0e24499787a39e5fa585a770591648a9760fd Mon Sep 17 00:00:00 2001 From: Chao Xie Date: Mon, 27 Aug 2012 10:54:00 +0800 Subject: arm: mmp: move pxa168 clock definition to separated file move pxa168 clock definition to another file. Then pxa168 can choose common clock framework or private clock framework. Signed-off-by: Chao Xie Signed-off-by: Haojian Zhuang --- arch/arm/mach-mmp/Makefile | 1 + arch/arm/mach-mmp/clock-pxa168.c | 91 ++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-mmp/common.h | 1 + arch/arm/mach-mmp/pxa168.c | 58 +++---------------------- 4 files changed, 98 insertions(+), 53 deletions(-) create mode 100644 arch/arm/mach-mmp/clock-pxa168.c (limited to 'arch/arm/mach-mmp') diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile index 815c3e74c24..bb63f86185a 100644 --- a/arch/arm/mach-mmp/Makefile +++ b/arch/arm/mach-mmp/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_CPU_MMP2) += mmp2.o sram.o ifeq ($(CONFIG_COMMON_CLK), ) obj-y += clock.o +obj-$(CONFIG_CPU_PXA168) += clock-pxa168.o endif ifeq ($(CONFIG_PM),y) obj-$(CONFIG_CPU_PXA910) += pm-pxa910.o diff --git a/arch/arm/mach-mmp/clock-pxa168.c b/arch/arm/mach-mmp/clock-pxa168.c new file mode 100644 index 00000000000..5e6c18ccebd --- /dev/null +++ b/arch/arm/mach-mmp/clock-pxa168.c @@ -0,0 +1,91 @@ +#include +#include +#include +#include +#include +#include + +#include + +#include "common.h" +#include "clock.h" + +/* + * APB clock register offsets for PXA168 + */ +#define APBC_UART1 APBC_REG(0x000) +#define APBC_UART2 APBC_REG(0x004) +#define APBC_GPIO APBC_REG(0x008) +#define APBC_PWM1 APBC_REG(0x00c) +#define APBC_PWM2 APBC_REG(0x010) +#define APBC_PWM3 APBC_REG(0x014) +#define APBC_PWM4 APBC_REG(0x018) +#define APBC_RTC APBC_REG(0x028) +#define APBC_TWSI0 APBC_REG(0x02c) +#define APBC_KPC APBC_REG(0x030) +#define APBC_TWSI1 APBC_REG(0x06c) +#define APBC_UART3 APBC_REG(0x070) +#define APBC_SSP1 APBC_REG(0x81c) +#define APBC_SSP2 APBC_REG(0x820) +#define APBC_SSP3 APBC_REG(0x84c) +#define APBC_SSP4 APBC_REG(0x858) +#define APBC_SSP5 APBC_REG(0x85c) + +#define APMU_NAND APMU_REG(0x060) +#define APMU_LCD APMU_REG(0x04c) +#define APMU_ETH APMU_REG(0x0fc) +#define APMU_USB APMU_REG(0x05c) + +/* APB peripheral clocks */ +static APBC_CLK(uart1, UART1, 1, 14745600); +static APBC_CLK(uart2, UART2, 1, 14745600); +static APBC_CLK(uart3, UART3, 1, 14745600); +static APBC_CLK(twsi0, TWSI0, 1, 33000000); +static APBC_CLK(twsi1, TWSI1, 1, 33000000); +static APBC_CLK(pwm1, PWM1, 1, 13000000); +static APBC_CLK(pwm2, PWM2, 1, 13000000); +static APBC_CLK(pwm3, PWM3, 1, 13000000); +static APBC_CLK(pwm4, PWM4, 1, 13000000); +static APBC_CLK(ssp1, SSP1, 4, 0); +static APBC_CLK(ssp2, SSP2, 4, 0); +static APBC_CLK(ssp3, SSP3, 4, 0); +static APBC_CLK(ssp4, SSP4, 4, 0); +static APBC_CLK(ssp5, SSP5, 4, 0); +static APBC_CLK(gpio, GPIO, 0, 13000000); +static APBC_CLK(keypad, KPC, 0, 32000); +static APBC_CLK(rtc, RTC, 8, 32768); + +static APMU_CLK(nand, NAND, 0x19b, 156000000); +static APMU_CLK(lcd, LCD, 0x7f, 312000000); +static APMU_CLK(eth, ETH, 0x09, 0); +static APMU_CLK(usb, USB, 0x12, 0); + +/* device and clock bindings */ +static struct clk_lookup pxa168_clkregs[] = { + INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), + INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), + INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL), + INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL), + INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL), + INIT_CLKREG(&clk_pwm1, "pxa168-pwm.0", NULL), + INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL), + INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL), + INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL), + INIT_CLKREG(&clk_ssp1, "pxa168-ssp.0", NULL), + INIT_CLKREG(&clk_ssp2, "pxa168-ssp.1", NULL), + INIT_CLKREG(&clk_ssp3, "pxa168-ssp.2", NULL), + INIT_CLKREG(&clk_ssp4, "pxa168-ssp.3", NULL), + INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL), + INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), + INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL), + INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), + INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL), + INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"), + INIT_CLKREG(&clk_usb, NULL, "PXA168-USBCLK"), + INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL), +}; + +void __init pxa168_clk_init(void) +{ + clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs)); +} diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h index 1c9d6c1ea97..e47f73f55c4 100644 --- a/arch/arm/mach-mmp/common.h +++ b/arch/arm/mach-mmp/common.h @@ -7,3 +7,4 @@ extern void timer_init(int irq); extern void __init icu_init_irq(void); extern void __init mmp_map_io(void); extern void mmp_restart(char, const char *); +extern void __init pxa168_clk_init(void); diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 62d787c3447..b7f074f1549 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -18,8 +18,8 @@ #include #include -#include #include +#include #include #include #include @@ -50,62 +50,13 @@ void __init pxa168_init_irq(void) icu_init_irq(); } -/* APB peripheral clocks */ -static APBC_CLK(uart1, PXA168_UART1, 1, 14745600); -static APBC_CLK(uart2, PXA168_UART2, 1, 14745600); -static APBC_CLK(uart3, PXA168_UART3, 1, 14745600); -static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000); -static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000); -static APBC_CLK(pwm1, PXA168_PWM1, 1, 13000000); -static APBC_CLK(pwm2, PXA168_PWM2, 1, 13000000); -static APBC_CLK(pwm3, PXA168_PWM3, 1, 13000000); -static APBC_CLK(pwm4, PXA168_PWM4, 1, 13000000); -static APBC_CLK(ssp1, PXA168_SSP1, 4, 0); -static APBC_CLK(ssp2, PXA168_SSP2, 4, 0); -static APBC_CLK(ssp3, PXA168_SSP3, 4, 0); -static APBC_CLK(ssp4, PXA168_SSP4, 4, 0); -static APBC_CLK(ssp5, PXA168_SSP5, 4, 0); -static APBC_CLK(gpio, PXA168_GPIO, 0, 13000000); -static APBC_CLK(keypad, PXA168_KPC, 0, 32000); -static APBC_CLK(rtc, PXA168_RTC, 8, 32768); - -static APMU_CLK(nand, NAND, 0x19b, 156000000); -static APMU_CLK(lcd, LCD, 0x7f, 312000000); -static APMU_CLK(eth, ETH, 0x09, 0); -static APMU_CLK(usb, USB, 0x12, 0); - -/* device and clock bindings */ -static struct clk_lookup pxa168_clkregs[] = { - INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL), - INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL), - INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL), - INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL), - INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL), - INIT_CLKREG(&clk_pwm1, "pxa168-pwm.0", NULL), - INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL), - INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL), - INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL), - INIT_CLKREG(&clk_ssp1, "pxa168-ssp.0", NULL), - INIT_CLKREG(&clk_ssp2, "pxa168-ssp.1", NULL), - INIT_CLKREG(&clk_ssp3, "pxa168-ssp.2", NULL), - INIT_CLKREG(&clk_ssp4, "pxa168-ssp.3", NULL), - INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL), - INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), - INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL), - INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), - INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL), - INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"), - INIT_CLKREG(&clk_usb, NULL, "PXA168-USBCLK"), - INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL), -}; - static int __init pxa168_init(void) { if (cpu_is_pxa168()) { mfp_init_base(MFPR_VIRT_BASE); mfp_init_addr(pxa168_mfp_addr_map); pxa_init_dma(IRQ_PXA168_DMA_INT0, 32); - clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs)); + pxa168_clk_init(); } return 0; @@ -114,6 +65,7 @@ postcore_initcall(pxa168_init); /* system timer - clock enabled, 3.25MHz */ #define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3)) +#define APBC_TIMERS APBC_REG(0x34) static void __init pxa168_timer_init(void) { @@ -121,10 +73,10 @@ static void __init pxa168_timer_init(void) * ourselves instead of using clk_* API. Clock rate is defined * by APBC_TIMERS_CLK_RST (3.25MHz) and enabled free-running */ - __raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA168_TIMERS); + __raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS); /* 3.25MHz, bus/functional clock enabled, release reset */ - __raw_writel(TIMER_CLK_RST, APBC_PXA168_TIMERS); + __raw_writel(TIMER_CLK_RST, APBC_TIMERS); timer_init(IRQ_PXA168_TIMER1); } -- cgit v1.2.3