From: Kyungmin Park Date: Tue, 17 Nov 2009 07:41:13 +0000 (+0100) Subject: ARM: S5PC1XX: clocks reimplementation X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ff916f25b2890403a9e6c02c98391daeb71ae92a;p=openwrt%2Fstaging%2Fblogic.git ARM: S5PC1XX: clocks reimplementation Clocks hierarchy has been completely reimplemented to match the S5PC100 specification. Signed-off-by: Kyungmin Park Signed-off-by: Marek Szyprowski Signed-off-by: Ben Dooks --- diff --git a/arch/arm/plat-s5pc1xx/Makefile b/arch/arm/plat-s5pc1xx/Makefile index f1ecb2c37ee2..ebbf36490f4c 100644 --- a/arch/arm/plat-s5pc1xx/Makefile +++ b/arch/arm/plat-s5pc1xx/Makefile @@ -14,6 +14,7 @@ obj- := obj-y += dev-uart.o obj-y += cpu.o obj-y += irq.o +obj-y += clock.o # CPU support diff --git a/arch/arm/plat-s5pc1xx/clock.c b/arch/arm/plat-s5pc1xx/clock.c new file mode 100644 index 000000000000..26c21d849790 --- /dev/null +++ b/arch/arm/plat-s5pc1xx/clock.c @@ -0,0 +1,728 @@ +/* linux/arch/arm/plat-s5pc1xx/clock.c + * + * Copyright 2009 Samsung Electronics Co. + * + * S5PC1XX Base clock support + * + * Based on plat-s3c64xx/clock.c + * + * 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 + +struct clk clk_27m = { + .name = "clk_27m", + .id = -1, + .rate = 27000000, +}; + +static int clk_48m_ctrl(struct clk *clk, int enable) +{ + unsigned long flags; + u32 val; + + /* can't rely on clock lock, this register has other usages */ + local_irq_save(flags); + + val = __raw_readl(S5PC100_CLKSRC1); + if (enable) + val |= S5PC100_CLKSRC1_CLK48M_MASK; + else + val &= ~S5PC100_CLKSRC1_CLK48M_MASK; + + __raw_writel(val, S5PC100_CLKSRC1); + local_irq_restore(flags); + + return 0; +} + +struct clk clk_48m = { + .name = "clk_48m", + .id = -1, + .rate = 48000000, + .enable = clk_48m_ctrl, +}; + +struct clk clk_54m = { + .name = "clk_54m", + .id = -1, + .rate = 54000000, +}; + +static int clk_default_setrate(struct clk *clk, unsigned long rate) +{ + clk->rate = rate; + return 0; +} + +static int clk_dummy_enable(struct clk *clk, int enable) +{ + return 0; +} + +struct clk clk_hd0 = { + .name = "hclkd0", + .id = -1, + .rate = 0, + .parent = NULL, + .ctrlbit = 0, + .set_rate = clk_default_setrate, + .enable = clk_dummy_enable, +}; + +struct clk clk_pd0 = { + .name = "pclkd0", + .id = -1, + .rate = 0, + .parent = NULL, + .ctrlbit = 0, + .set_rate = clk_default_setrate, + .enable = clk_dummy_enable, +}; + +static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable) +{ + unsigned int ctrlbit = clk->ctrlbit; + u32 con; + + con = __raw_readl(reg); + if (enable) + con |= ctrlbit; + else + con &= ~ctrlbit; + __raw_writel(con, reg); + + return 0; +} + +static int s5pc100_clk_d00_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable); +} + +static int s5pc100_clk_d01_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable); +} + +static int s5pc100_clk_d02_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable); +} + +static int s5pc100_clk_d10_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable); +} + +static int s5pc100_clk_d11_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable); +} + +static int s5pc100_clk_d12_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable); +} + +static int s5pc100_clk_d13_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable); +} + +static int s5pc100_clk_d14_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable); +} + +static int s5pc100_clk_d15_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable); +} + +static int s5pc100_clk_d20_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable); +} + +int s5pc100_sclk0_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable); +} + +int s5pc100_sclk1_ctrl(struct clk *clk, int enable) +{ + return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable); +} + +static struct clk s5pc100_init_clocks_disable[] = { + { + .name = "dsi", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_DSI, + }, { + .name = "csi", + .id = -1, + .parent = &clk_h, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_CSI, + }, { + .name = "ccan", + .id = 0, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_CCAN0, + }, { + .name = "ccan", + .id = 1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_CCAN1, + }, { + .name = "keypad", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_KEYIF, + }, { + .name = "hclkd2", + .id = -1, + .parent = NULL, + .enable = s5pc100_clk_d20_ctrl, + .ctrlbit = S5PC100_CLKGATE_D20_HCLKD2, + }, { + .name = "iis-d2", + .id = -1, + .parent = NULL, + .enable = s5pc100_clk_d20_ctrl, + .ctrlbit = S5PC100_CLKGATE_D20_I2SD2, + }, +}; + +static struct clk s5pc100_init_clocks[] = { + /* System1 (D0_0) devices */ + { + .name = "intc", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_INTC, + }, { + .name = "tzic", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_TZIC, + }, { + .name = "cf-ata", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_CFCON, + }, { + .name = "mdma", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_MDMA, + }, { + .name = "g2d", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_G2D, + }, { + .name = "secss", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_SECSS, + }, { + .name = "cssys", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d00_ctrl, + .ctrlbit = S5PC100_CLKGATE_D00_CSSYS, + }, + + /* Memory (D0_1) devices */ + { + .name = "dmc", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_DMC, + }, { + .name = "sromc", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_SROMC, + }, { + .name = "onenand", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_ONENAND, + }, { + .name = "nand", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_NFCON, + }, { + .name = "intmem", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_INTMEM, + }, { + .name = "ebi", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d01_ctrl, + .ctrlbit = S5PC100_CLKGATE_D01_EBI, + }, + + /* System2 (D0_2) devices */ + { + .name = "seckey", + .id = -1, + .parent = &clk_pd0, + .enable = s5pc100_clk_d02_ctrl, + .ctrlbit = S5PC100_CLKGATE_D02_SECKEY, + }, { + .name = "sdm", + .id = -1, + .parent = &clk_hd0, + .enable = s5pc100_clk_d02_ctrl, + .ctrlbit = S5PC100_CLKGATE_D02_SDM, + }, + + /* File (D1_0) devices */ + { + .name = "pdma", + .id = 0, + .parent = &clk_h, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_PDMA0, + }, { + .name = "pdma", + .id = 1, + .parent = &clk_h, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_PDMA1, + }, { + .name = "usb-host", + .id = -1, + .parent = &clk_h, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_USBHOST, + }, { + .name = "otg", + .id = -1, + .parent = &clk_h, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_USBOTG, + }, { + .name = "modem", + .id = -1, + .parent = &clk_h, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_MODEMIF, + }, { + .name = "hsmmc", + .id = 0, + .parent = &clk_48m, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_HSMMC0, + }, { + .name = "hsmmc", + .id = 1, + .parent = &clk_48m, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_HSMMC1, + }, { + .name = "hsmmc", + .id = 2, + .parent = &clk_48m, + .enable = s5pc100_clk_d10_ctrl, + .ctrlbit = S5PC100_CLKGATE_D10_HSMMC2, + }, + + /* Multimedia1 (D1_1) devices */ + { + .name = "lcd", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_LCD, + }, { + .name = "rotator", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_ROTATOR, + }, { + .name = "fimc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_FIMC0, + }, { + .name = "fimc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_FIMC1, + }, { + .name = "fimc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_FIMC2, + }, { + .name = "jpeg", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_JPEG, + }, { + .name = "g3d", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d11_ctrl, + .ctrlbit = S5PC100_CLKGATE_D11_G3D, + }, + + /* Multimedia2 (D1_2) devices */ + { + .name = "tv", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d12_ctrl, + .ctrlbit = S5PC100_CLKGATE_D12_TV, + }, { + .name = "vp", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d12_ctrl, + .ctrlbit = S5PC100_CLKGATE_D12_VP, + }, { + .name = "mixer", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d12_ctrl, + .ctrlbit = S5PC100_CLKGATE_D12_MIXER, + }, { + .name = "hdmi", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d12_ctrl, + .ctrlbit = S5PC100_CLKGATE_D12_HDMI, + }, { + .name = "mfc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d12_ctrl, + .ctrlbit = S5PC100_CLKGATE_D12_MFC, + }, + + /* System (D1_3) devices */ + { + .name = "chipid", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_CHIPID, + }, { + .name = "gpio", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_GPIO, + }, { + .name = "apc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_APC, + }, { + .name = "iec", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_IEC, + }, { + .name = "timers", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_PWM, + }, { + .name = "systimer", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_SYSTIMER, + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_WDT, + }, { + .name = "rtc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d13_ctrl, + .ctrlbit = S5PC100_CLKGATE_D13_RTC, + }, + + /* Connectivity (D1_4) devices */ + { + .name = "uart", + .id = 0, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_UART0, + }, { + .name = "uart", + .id = 1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_UART1, + }, { + .name = "uart", + .id = 2, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_UART2, + }, { + .name = "uart", + .id = 3, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_UART3, + }, { + .name = "i2c", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_IIC, + }, { + .name = "hdmi-i2c", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_HDMI_IIC, + }, { + .name = "spi", + .id = 0, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_SPI0, + }, { + .name = "spi", + .id = 1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_SPI1, + }, { + .name = "spi", + .id = 2, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_SPI2, + }, { + .name = "irda", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_IRDA, + }, { + .name = "hsitx", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_HSITX, + }, { + .name = "hsirx", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d14_ctrl, + .ctrlbit = S5PC100_CLKGATE_D14_HSIRX, + }, + + /* Audio (D1_5) devices */ + { + .name = "iis", + .id = 0, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_IIS0, + }, { + .name = "iis", + .id = 1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_IIS1, + }, { + .name = "iis", + .id = 2, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_IIS2, + }, { + .name = "ac97", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_AC97, + }, { + .name = "pcm", + .id = 0, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_PCM0, + }, { + .name = "pcm", + .id = 1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_PCM1, + }, { + .name = "spdif", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_SPDIF, + }, { + .name = "adc", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_TSADC, + }, { + .name = "cg", + .id = -1, + .parent = &clk_p, + .enable = s5pc100_clk_d15_ctrl, + .ctrlbit = S5PC100_CLKGATE_D15_CG, + }, + + /* Audio (D2_0) devices: all disabled */ + + /* Special Clocks 0 */ + { + .name = "sclk_hpm", + .id = -1, + .parent = NULL, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_HPM, + }, { + .name = "sclk_onenand", + .id = -1, + .parent = NULL, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_ONENAND, + }, { + .name = "spi_48", + .id = 0, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0_48, + }, { + .name = "spi_48", + .id = 1, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1_48, + }, { + .name = "spi_48", + .id = 2, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2_48, + }, { + .name = "mmc_48", + .id = 0, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0_48, + }, { + .name = "mmc_48", + .id = 1, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1_48, + }, { + .name = "mmc_48", + .id = 2, + .parent = &clk_48m, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2_48, + }, + /* Special Clocks 1 */ +}; + +static struct clk *clks[] __initdata = { + &clk_ext, + &clk_epll, + &clk_27m, + &clk_48m, + &clk_54m, +}; + +void __init s5pc1xx_register_clocks(void) +{ + struct clk *clkp; + int ret; + int ptr; + int size; + + s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); + + clkp = s5pc100_init_clocks; + size = ARRAY_SIZE(s5pc100_init_clocks); + + for (ptr = 0; ptr < size; ptr++, clkp++) { + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + clkp = s5pc100_init_clocks_disable; + size = ARRAY_SIZE(s5pc100_init_clocks_disable); + + for (ptr = 0; ptr < size; ptr++, clkp++) { + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + + (clkp->enable)(clkp, 0); + } + + s3c_pwmclk_init(); +} diff --git a/arch/arm/plat-s5pc1xx/cpu.c b/arch/arm/plat-s5pc1xx/cpu.c index 715a7330794d..e8f347218ecb 100644 --- a/arch/arm/plat-s5pc1xx/cpu.c +++ b/arch/arm/plat-s5pc1xx/cpu.c @@ -55,6 +55,11 @@ static struct cpu_table cpu_ids[] __initdata = { static struct map_desc s5pc1xx_iodesc[] __initdata = { { + .virtual = (unsigned long)S5PC1XX_VA_CLK_OTHER, + .pfn = __phys_to_pfn(S5PC1XX_PA_CLK_OTHER), + .length = SZ_4K, + .type = MT_DEVICE, + }, { .virtual = (unsigned long)S5PC1XX_VA_CHIPID, .pfn = __phys_to_pfn(S5PC1XX_PA_CHIPID), .length = SZ_16, diff --git a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h index 45e275131665..2531f34a56f3 100644 --- a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h +++ b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h @@ -35,10 +35,9 @@ extern struct clk clk_hpll; extern struct clk clk_hd0; extern struct clk clk_pd0; extern struct clk clk_54m; -extern struct clk clk_dout_mpll2; extern void s5pc1xx_register_clocks(void); -extern int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable); -extern int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable); +extern int s5pc100_sclk0_ctrl(struct clk *clk, int enable); +extern int s5pc100_sclk1_ctrl(struct clk *clk, int enable); /* Some day, belows will be moved to plat-s5pc/include/plat/devs.h */ extern struct s3c24xx_uart_resources s5pc1xx_uart_resources[]; diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c index efc868b4c2a6..b436d44510c8 100644 --- a/arch/arm/plat-s5pc1xx/s5pc100-clock.c +++ b/arch/arm/plat-s5pc1xx/s5pc100-clock.c @@ -49,6 +49,7 @@ static struct clk clk_ext_xtal_mux = { #define clk_fin_hpll clk_ext_xtal_mux #define clk_fout_mpll clk_mpll +#define clk_vclk_54m clk_54m struct clk_sources { unsigned int nr_sources; @@ -67,746 +68,327 @@ struct clksrc_clk { void __iomem *reg_source; }; -static int clk_default_setrate(struct clk *clk, unsigned long rate) -{ - clk->rate = rate; - return 1; -} - -struct clk clk_27m = { - .name = "clk_27m", +/* APLL */ +static struct clk clk_fout_apll = { + .name = "fout_apll", .id = -1, .rate = 27000000, }; -static int clk_48m_ctrl(struct clk *clk, int enable) -{ - unsigned long flags; - u32 val; +static struct clk *clk_src_apll_list[] = { + [0] = &clk_fin_apll, + [1] = &clk_fout_apll, +}; - /* can't rely on clock lock, this register has other usages */ - local_irq_save(flags); +static struct clk_sources clk_src_apll = { + .sources = clk_src_apll_list, + .nr_sources = ARRAY_SIZE(clk_src_apll_list), +}; - val = __raw_readl(S5PC100_CLKSRC1); - if (enable) - val |= S5PC100_CLKSRC1_CLK48M_MASK; - else - val &= ~S5PC100_CLKSRC1_CLK48M_MASK; +static struct clksrc_clk clk_mout_apll = { + .clk = { + .name = "mout_apll", + .id = -1, + }, + .shift = S5PC100_CLKSRC0_APLL_SHIFT, + .mask = S5PC100_CLKSRC0_APLL_MASK, + .sources = &clk_src_apll, + .reg_source = S5PC100_CLKSRC0, +}; - __raw_writel(val, S5PC100_CLKSRC1); - local_irq_restore(flags); +static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; - return 0; -} + ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_APLL_MASK; + ratio >>= S5PC100_CLKDIV0_APLL_SHIFT; -struct clk clk_48m = { - .name = "clk_48m", - .id = -1, - .rate = 48000000, - .enable = clk_48m_ctrl, -}; + return rate / (ratio + 1); +} -struct clk clk_54m = { - .name = "clk_54m", +static struct clk clk_dout_apll = { + .name = "dout_apll", .id = -1, - .rate = 54000000, + .parent = &clk_mout_apll.clk, + .get_rate = s5pc100_clk_dout_apll_get_rate, }; -struct clk clk_hpll = { - .name = "hpll", - .id = -1, -}; +static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; -struct clk clk_hd0 = { - .name = "hclkd0", - .id = -1, - .rate = 0, - .parent = NULL, - .ctrlbit = 0, - .set_rate = clk_default_setrate, -}; + ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_ARM_MASK; + ratio >>= S5PC100_CLKDIV0_ARM_SHIFT; -struct clk clk_pd0 = { - .name = "pclkd0", - .id = -1, - .rate = 0, - .parent = NULL, - .ctrlbit = 0, - .set_rate = clk_default_setrate, -}; + return rate / (ratio + 1); +} -static int s5pc1xx_clk_gate(void __iomem *reg, - struct clk *clk, - int enable) +static unsigned long s5pc100_clk_arm_round_rate(struct clk *clk, + unsigned long rate) { - unsigned int ctrlbit = clk->ctrlbit; - u32 con; + unsigned long parent = clk_get_rate(clk->parent); + u32 div; - con = __raw_readl(reg); + if (parent < rate) + return rate; - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; + div = (parent / rate) - 1; + if (div > S5PC100_CLKDIV0_ARM_MASK) + div = S5PC100_CLKDIV0_ARM_MASK; - __raw_writel(con, reg); - return 0; + return parent / (div + 1); } -static int s5pc1xx_clk_d00_ctrl(struct clk *clk, int enable) +static int s5pc100_clk_arm_set_rate(struct clk *clk, unsigned long rate) { - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable); -} + unsigned long parent = clk_get_rate(clk->parent); + u32 div; + u32 val; -static int s5pc1xx_clk_d01_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable); -} + if (rate < parent / (S5PC100_CLKDIV0_ARM_MASK + 1)) + return -EINVAL; -static int s5pc1xx_clk_d02_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable); -} + rate = clk_round_rate(clk, rate); + div = clk_get_rate(clk->parent) / rate; -static int s5pc1xx_clk_d10_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable); -} + val = __raw_readl(S5PC100_CLKDIV0); + val &= S5PC100_CLKDIV0_ARM_MASK; + val |= (div - 1); + __raw_writel(val, S5PC100_CLKDIV0); -static int s5pc1xx_clk_d11_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable); + return 0; } -static int s5pc1xx_clk_d12_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable); -} +static struct clk clk_arm = { + .name = "armclk", + .id = -1, + .parent = &clk_dout_apll, + .get_rate = s5pc100_clk_arm_get_rate, + .set_rate = s5pc100_clk_arm_set_rate, + .round_rate = s5pc100_clk_arm_round_rate, +}; -static int s5pc1xx_clk_d13_ctrl(struct clk *clk, int enable) +static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk) { - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable); -} + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; -static int s5pc1xx_clk_d14_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable); -} + ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_D0_MASK; + ratio >>= S5PC100_CLKDIV0_D0_SHIFT; -static int s5pc1xx_clk_d15_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable); + return rate / (ratio + 1); } -static int s5pc1xx_clk_d20_ctrl(struct clk *clk, int enable) -{ - return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable); -} +static struct clk clk_dout_d0_bus = { + .name = "dout_d0_bus", + .id = -1, + .parent = &clk_arm, + .get_rate = s5pc100_clk_dout_d0_bus_get_rate, +}; -int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable) +static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk) { - return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable); + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; + + ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_PCLKD0_MASK; + ratio >>= S5PC100_CLKDIV0_PCLKD0_SHIFT; + + return rate / (ratio + 1); } -int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable) +static struct clk clk_dout_pclkd0 = { + .name = "dout_pclkd0", + .id = -1, + .parent = &clk_dout_d0_bus, + .get_rate = s5pc100_clk_dout_pclkd0_get_rate, +}; + +static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk) { - return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable); + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; + + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_APLL2_MASK; + ratio >>= S5PC100_CLKDIV1_APLL2_SHIFT; + + return rate / (ratio + 1); } -static struct clk init_clocks_disable[] = { - { - .name = "dsi", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_DSI, - }, { - .name = "csi", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_CSI, - }, { - .name = "ccan0", - .id = 0, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_CCAN0, - }, { - .name = "ccan1", - .id = 1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_CCAN1, - }, { - .name = "keypad", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_KEYIF, - }, { - .name = "hclkd2", - .id = -1, - .parent = NULL, - .enable = s5pc1xx_clk_d20_ctrl, - .ctrlbit = S5PC100_CLKGATE_D20_HCLKD2, - }, { - .name = "iis-d2", - .id = -1, - .parent = NULL, - .enable = s5pc1xx_clk_d20_ctrl, - .ctrlbit = S5PC100_CLKGATE_D20_I2SD2, - }, { - .name = "otg", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_USBOTG, - }, +static struct clk clk_dout_apll2 = { + .name = "dout_apll2", + .id = -1, + .parent = &clk_mout_apll.clk, + .get_rate = s5pc100_clk_dout_apll2_get_rate, }; -static struct clk init_clocks[] = { - /* System1 (D0_0) devices */ - { - .name = "intc", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_INTC, - }, { - .name = "tzic", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_TZIC, - }, { - .name = "cf-ata", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_CFCON, - }, { - .name = "mdma", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_MDMA, - }, { - .name = "g2d", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_G2D, - }, { - .name = "secss", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_SECSS, - }, { - .name = "cssys", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d00_ctrl, - .ctrlbit = S5PC100_CLKGATE_D00_CSSYS, - }, +/* MPLL */ +static struct clk *clk_src_mpll_list[] = { + [0] = &clk_fin_mpll, + [1] = &clk_fout_mpll, +}; - /* Memory (D0_1) devices */ - { - .name = "dmc", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_DMC, - }, { - .name = "sromc", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_SROMC, - }, { - .name = "onenand", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_ONENAND, - }, { - .name = "nand", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_NFCON, - }, { - .name = "intmem", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_INTMEM, - }, { - .name = "ebi", - .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d01_ctrl, - .ctrlbit = S5PC100_CLKGATE_D01_EBI, - }, +static struct clk_sources clk_src_mpll = { + .sources = clk_src_mpll_list, + .nr_sources = ARRAY_SIZE(clk_src_mpll_list), +}; - /* System2 (D0_2) devices */ - { - .name = "seckey", - .id = -1, - .parent = &clk_pd0, - .enable = s5pc1xx_clk_d02_ctrl, - .ctrlbit = S5PC100_CLKGATE_D02_SECKEY, - }, { - .name = "sdm", +static struct clksrc_clk clk_mout_mpll = { + .clk = { + .name = "mout_mpll", .id = -1, - .parent = &clk_hd0, - .enable = s5pc1xx_clk_d02_ctrl, - .ctrlbit = S5PC100_CLKGATE_D02_SDM, }, + .shift = S5PC100_CLKSRC0_MPLL_SHIFT, + .mask = S5PC100_CLKSRC0_MPLL_MASK, + .sources = &clk_src_mpll, + .reg_source = S5PC100_CLKSRC0, +}; - /* File (D1_0) devices */ - { - .name = "pdma0", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_PDMA0, - }, { - .name = "pdma1", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_PDMA1, - }, { - .name = "usb-host", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_USBHOST, - }, { - .name = "modem", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_MODEMIF, - }, { - .name = "hsmmc", - .id = 0, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_HSMMC0, - }, { - .name = "hsmmc", - .id = 1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_HSMMC1, - }, { - .name = "hsmmc", - .id = 2, - .parent = &clk_h, - .enable = s5pc1xx_clk_d10_ctrl, - .ctrlbit = S5PC100_CLKGATE_D10_HSMMC2, - }, +static struct clk *clkset_am_list[] = { + [0] = &clk_mout_mpll.clk, + [1] = &clk_dout_apll2, +}; - /* Multimedia1 (D1_1) devices */ - { - .name = "lcd", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_LCD, - }, { - .name = "rotator", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_ROTATOR, - }, { - .name = "fimc", - .id = 0, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_FIMC0, - }, { - .name = "fimc", - .id = 1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_FIMC1, - }, { - .name = "fimc", - .id = 2, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_FIMC2, - }, { - .name = "jpeg", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_JPEG, - }, { - .name = "g3d", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d11_ctrl, - .ctrlbit = S5PC100_CLKGATE_D11_G3D, - }, +static struct clk_sources clk_src_am = { + .sources = clkset_am_list, + .nr_sources = ARRAY_SIZE(clkset_am_list), +}; - /* Multimedia2 (D1_2) devices */ - { - .name = "tv", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d12_ctrl, - .ctrlbit = S5PC100_CLKGATE_D12_TV, - }, { - .name = "vp", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d12_ctrl, - .ctrlbit = S5PC100_CLKGATE_D12_VP, - }, { - .name = "mixer", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d12_ctrl, - .ctrlbit = S5PC100_CLKGATE_D12_MIXER, - }, { - .name = "hdmi", - .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d12_ctrl, - .ctrlbit = S5PC100_CLKGATE_D12_HDMI, - }, { - .name = "mfc", +static struct clksrc_clk clk_mout_am = { + .clk = { + .name = "mout_am", .id = -1, - .parent = &clk_h, - .enable = s5pc1xx_clk_d12_ctrl, - .ctrlbit = S5PC100_CLKGATE_D12_MFC, }, + .shift = S5PC100_CLKSRC0_AMMUX_SHIFT, + .mask = S5PC100_CLKSRC0_AMMUX_MASK, + .sources = &clk_src_am, + .reg_source = S5PC100_CLKSRC0, +}; - /* System (D1_3) devices */ - { - .name = "chipid", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_CHIPID, - }, { - .name = "gpio", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_GPIO, - }, { - .name = "apc", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_APC, - }, { - .name = "iec", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_IEC, - }, { - .name = "timers", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_PWM, - }, { - .name = "systimer", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_SYSTIMER, - }, { - .name = "watchdog", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_WDT, - }, { - .name = "rtc", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d13_ctrl, - .ctrlbit = S5PC100_CLKGATE_D13_RTC, - }, +static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; - /* Connectivity (D1_4) devices */ - { - .name = "uart", - .id = 0, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_UART0, - }, { - .name = "uart", - .id = 1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_UART1, - }, { - .name = "uart", - .id = 2, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_UART2, - }, { - .name = "uart", - .id = 3, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_UART3, - }, { - .name = "i2c", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_IIC, - }, { - .name = "hdmi-i2c", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_HDMI_IIC, - }, { - .name = "spi", - .id = 0, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_SPI0, - }, { - .name = "spi", - .id = 1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_SPI1, - }, { - .name = "spi", - .id = 2, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_SPI2, - }, { - .name = "irda", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_IRDA, - }, { - .name = "hsitx", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_HSITX, - }, { - .name = "hsirx", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d14_ctrl, - .ctrlbit = S5PC100_CLKGATE_D14_HSIRX, - }, + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - /* Audio (D1_5) devices */ - { - .name = "iis", - .id = 0, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_IIS0, - }, { - .name = "iis", - .id = 1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_IIS1, - }, { - .name = "iis", - .id = 2, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_IIS2, - }, { - .name = "ac97", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_AC97, - }, { - .name = "pcm", - .id = 0, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_PCM0, - }, { - .name = "pcm", - .id = 1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_PCM1, - }, { - .name = "spdif", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_SPDIF, - }, { - .name = "adc", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_TSADC, - }, { - .name = "keyif", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_KEYIF, - }, { - .name = "cg", - .id = -1, - .parent = &clk_p, - .enable = s5pc1xx_clk_d15_ctrl, - .ctrlbit = S5PC100_CLKGATE_D15_CG, - }, + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_D1_MASK; + ratio >>= S5PC100_CLKDIV1_D1_SHIFT; - /* Audio (D2_0) devices: all disabled */ + return rate / (ratio + 1); +} - /* Special Clocks 1 */ - { - .name = "sclk_hpm", - .id = -1, - .parent = NULL, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_HPM, - }, { - .name = "sclk_onenand", - .id = -1, - .parent = NULL, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_ONENAND, - }, { - .name = "sclk_spi_48", - .id = 0, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0_48, - }, { - .name = "sclk_spi_48", - .id = 1, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1_48, - }, { - .name = "sclk_spi_48", - .id = 2, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2_48, - }, { - .name = "sclk_mmc_48", - .id = 0, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0_48, - }, { - .name = "sclk_mmc_48", - .id = 1, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1_48, - }, { - .name = "sclk_mmc_48", - .id = 2, - .parent = &clk_48m, - .enable = s5pc1xx_sclk0_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2_48, - }, +static struct clk clk_dout_d1_bus = { + .name = "dout_d1_bus", + .id = -1, + .parent = &clk_mout_am.clk, + .get_rate = s5pc100_clk_dout_d1_bus_get_rate, +}; - /* Special Clocks 2 */ - { - .name = "sclk_tv_54", - .id = -1, - .parent = &clk_54m, - .enable = s5pc1xx_sclk1_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK1_TV54, - }, { - .name = "sclk_vdac_54", - .id = -1, - .parent = &clk_54m, - .enable = s5pc1xx_sclk1_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK1_VDAC54, - }, { - .name = "sclk_spdif", +static struct clk *clkset_onenand_list[] = { + [0] = &clk_dout_d0_bus, + [1] = &clk_dout_d1_bus, +}; + +static struct clk_sources clk_src_onenand = { + .sources = clkset_onenand_list, + .nr_sources = ARRAY_SIZE(clkset_onenand_list), +}; + +static struct clksrc_clk clk_mout_onenand = { + .clk = { + .name = "mout_onenand", .id = -1, - .parent = NULL, - .enable = s5pc1xx_sclk1_ctrl, - .ctrlbit = S5PC100_CLKGATE_SCLK1_SPDIF, }, + .shift = S5PC100_CLKSRC0_ONENAND_SHIFT, + .mask = S5PC100_CLKSRC0_ONENAND_MASK, + .sources = &clk_src_onenand, + .reg_source = S5PC100_CLKSRC0, }; -void __init s5pc1xx_register_clocks(void) +static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk) { - struct clk *clkp; - int ret; - int ptr; + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; - clkp = init_clocks; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - clkp = init_clocks_disable; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_PCLKD1_MASK; + ratio >>= S5PC100_CLKDIV1_PCLKD1_SHIFT; - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } + return rate / (ratio + 1); +} - (clkp->enable)(clkp, 0); - } +static struct clk clk_dout_pclkd1 = { + .name = "dout_pclkd1", + .id = -1, + .parent = &clk_dout_d1_bus, + .get_rate = s5pc100_clk_dout_pclkd1_get_rate, +}; - s3c_pwmclk_init(); +static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; + + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); + + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK; + ratio >>= S5PC100_CLKDIV1_MPLL2_SHIFT; + + return rate / (ratio + 1); } -static struct clk clk_fout_apll = { - .name = "fout_apll", + +static struct clk clk_dout_mpll2 = { + .name = "dout_mpll2", .id = -1, + .parent = &clk_mout_am.clk, + .get_rate = s5pc100_clk_dout_mpll2_get_rate, }; -static struct clk *clk_src_apll_list[] = { - [0] = &clk_fin_apll, - [1] = &clk_fout_apll, -}; +static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; -static struct clk_sources clk_src_apll = { - .sources = clk_src_apll_list, - .nr_sources = ARRAY_SIZE(clk_src_apll_list), + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); + + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_CAM_MASK; + ratio >>= S5PC100_CLKDIV1_CAM_SHIFT; + + return rate / (ratio + 1); +} + +static struct clk clk_dout_cam = { + .name = "dout_cam", + .id = -1, + .parent = &clk_dout_mpll2, + .get_rate = s5pc100_clk_dout_cam_get_rate, }; -static struct clksrc_clk clk_mout_apll = { - .clk = { - .name = "mout_apll", - .id = -1, - }, - .shift = S5PC100_CLKSRC0_APLL_SHIFT, - .mask = S5PC100_CLKSRC0_APLL_MASK, - .sources = &clk_src_apll, - .reg_source = S5PC100_CLKSRC0, +static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned int ratio; + + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); + + ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK; + ratio >>= S5PC100_CLKDIV1_MPLL_SHIFT; + + return rate / (ratio + 1); +} + +static struct clk clk_dout_mpll = { + .name = "dout_mpll", + .id = -1, + .parent = &clk_mout_am.clk, + .get_rate = s5pc100_clk_dout_mpll_get_rate, }; +/* EPLL */ static struct clk clk_fout_epll = { .name = "fout_epll", .id = -1, @@ -833,85 +415,51 @@ static struct clksrc_clk clk_mout_epll = { .reg_source = S5PC100_CLKSRC0, }; -static struct clk *clk_src_mpll_list[] = { - [0] = &clk_fin_mpll, - [1] = &clk_fout_mpll, +/* HPLL */ +static struct clk clk_fout_hpll = { + .name = "fout_hpll", + .id = -1, }; -static struct clk_sources clk_src_mpll = { - .sources = clk_src_mpll_list, - .nr_sources = ARRAY_SIZE(clk_src_mpll_list), +static struct clk *clk_src_hpll_list[] = { + [0] = &clk_27m, + [1] = &clk_fout_hpll, }; -static struct clksrc_clk clk_mout_mpll = { - .clk = { - .name = "mout_mpll", +static struct clk_sources clk_src_hpll = { + .sources = clk_src_hpll_list, + .nr_sources = ARRAY_SIZE(clk_src_hpll_list), +}; + +static struct clksrc_clk clk_mout_hpll = { + .clk = { + .name = "mout_hpll", .id = -1, }, - .shift = S5PC100_CLKSRC0_MPLL_SHIFT, - .mask = S5PC100_CLKSRC0_MPLL_MASK, - .sources = &clk_src_mpll, + .shift = S5PC100_CLKSRC0_HPLL_SHIFT, + .mask = S5PC100_CLKSRC0_HPLL_MASK, + .sources = &clk_src_hpll, .reg_source = S5PC100_CLKSRC0, }; -static unsigned long s5pc1xx_clk_doutmpll_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv; - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - clkdiv = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK; - rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL_SHIFT) + 1; - - return rate; -} - -static struct clk clk_dout_mpll = { - .name = "dout_mpll", - .id = -1, - .parent = &clk_mout_mpll.clk, - .get_rate = s5pc1xx_clk_doutmpll_get_rate, -}; - -static unsigned long s5pc1xx_clk_doutmpll2_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv; - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - clkdiv = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK; - rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL2_SHIFT) + 1; - - return rate; -} - -struct clk clk_dout_mpll2 = { - .name = "dout_mpll2", - .id = -1, - .parent = &clk_mout_mpll.clk, - .get_rate = s5pc1xx_clk_doutmpll2_get_rate, -}; - -static struct clk *clkset_uart_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - NULL -}; - -static struct clk_sources clkset_uart = { - .sources = clkset_uart_list, - .nr_sources = ARRAY_SIZE(clkset_uart_list), -}; +/* Peripherals */ +/* + * The peripheral clocks are all controlled via clocksource followed + * by an optional divider and gate stage. We currently roll this into + * one clock which hides the intermediate clock from the mux. + * + * Note, the JPEG clock can only be an even divider... + * + * The scaler and LCD clocks depend on the S5PC100 version, and also + * have a common parent divisor so are not included here. + */ static inline struct clksrc_clk *to_clksrc(struct clk *clk) { return container_of(clk, struct clksrc_clk, clk); } -static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk) +static unsigned long s5pc100_getrate_clksrc(struct clk *clk) { struct clksrc_clk *sclk = to_clksrc(clk); unsigned long rate = clk_get_rate(clk->parent); @@ -925,7 +473,7 @@ static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk) return rate; } -static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate) +static int s5pc100_setrate_clksrc(struct clk *clk, unsigned long rate) { struct clksrc_clk *sclk = to_clksrc(clk); void __iomem *reg = sclk->reg_divider; @@ -938,14 +486,14 @@ static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate) return -EINVAL; val = __raw_readl(reg); - val &= ~(0xf << sclk->shift); - val |= (div - 1) << sclk->shift; + val &= ~(0xf << sclk->divider_shift); + val |= (div - 1) << sclk->divider_shift; __raw_writel(val, reg); return 0; } -static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent) +static int s5pc100_setparent_clksrc(struct clk *clk, struct clk *parent) { struct clksrc_clk *sclk = to_clksrc(clk); struct clk_sources *srcs = sclk->sources; @@ -970,7 +518,7 @@ static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent) return -EINVAL; } -static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk, +static unsigned long s5pc100_roundrate_clksrc(struct clk *clk, unsigned long rate) { unsigned long parent_rate = clk_get_rate(clk->parent); @@ -992,16 +540,95 @@ static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk, return rate; } +static struct clk *clkset_spi_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll2, + &clk_fin_epll, + &clk_mout_hpll.clk, +}; + +static struct clk_sources clkset_spi = { + .sources = clkset_spi_list, + .nr_sources = ARRAY_SIZE(clkset_spi_list), +}; + +static struct clksrc_clk clk_spi0 = { + .clk = { + .name = "spi_bus", + .id = 0, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC1_SPI0_SHIFT, + .mask = S5PC100_CLKSRC1_SPI0_MASK, + .sources = &clkset_spi, + .divider_shift = S5PC100_CLKDIV2_SPI0_SHIFT, + .reg_divider = S5PC100_CLKDIV2, + .reg_source = S5PC100_CLKSRC1, +}; + +static struct clksrc_clk clk_spi1 = { + .clk = { + .name = "spi_bus", + .id = 1, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC1_SPI1_SHIFT, + .mask = S5PC100_CLKSRC1_SPI1_MASK, + .sources = &clkset_spi, + .divider_shift = S5PC100_CLKDIV2_SPI1_SHIFT, + .reg_divider = S5PC100_CLKDIV2, + .reg_source = S5PC100_CLKSRC1, +}; + +static struct clksrc_clk clk_spi2 = { + .clk = { + .name = "spi_bus", + .id = 2, + .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC1_SPI2_SHIFT, + .mask = S5PC100_CLKSRC1_SPI2_MASK, + .sources = &clkset_spi, + .divider_shift = S5PC100_CLKDIV2_SPI2_SHIFT, + .reg_divider = S5PC100_CLKDIV2, + .reg_source = S5PC100_CLKSRC1, +}; + +static struct clk *clkset_uart_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, +}; + +static struct clk_sources clkset_uart = { + .sources = clkset_uart_list, + .nr_sources = ARRAY_SIZE(clkset_uart_list), +}; + static struct clksrc_clk clk_uart_uclk1 = { .clk = { .name = "uclk1", .id = -1, .ctrlbit = S5PC100_CLKGATE_SCLK0_UART, - .enable = s5pc1xx_sclk0_ctrl, - .set_parent = s5pc1xx_setparent_clksrc, - .get_rate = s5pc1xx_getrate_clksrc, - .set_rate = s5pc1xx_setrate_clksrc, - .round_rate = s5pc1xx_roundrate_clksrc, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, }, .shift = S5PC100_CLKSRC1_UART_SHIFT, .mask = S5PC100_CLKSRC1_UART_MASK, @@ -1011,16 +638,368 @@ static struct clksrc_clk clk_uart_uclk1 = { .reg_source = S5PC100_CLKSRC1, }; +static struct clk clk_iis_cd0 = { + .name = "iis_cdclk0", + .id = -1, +}; + +static struct clk clk_iis_cd1 = { + .name = "iis_cdclk1", + .id = -1, +}; + +static struct clk clk_iis_cd2 = { + .name = "iis_cdclk2", + .id = -1, +}; + +static struct clk clk_pcm_cd0 = { + .name = "pcm_cdclk0", + .id = -1, +}; + +static struct clk clk_pcm_cd1 = { + .name = "pcm_cdclk1", + .id = -1, +}; + +static struct clk *clkset_audio0_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_iis_cd0, + &clk_pcm_cd0, + &clk_mout_hpll.clk, +}; + +static struct clk_sources clkset_audio0 = { + .sources = clkset_audio0_list, + .nr_sources = ARRAY_SIZE(clkset_audio0_list), +}; + +static struct clksrc_clk clk_audio0 = { + .clk = { + .name = "audio-bus", + .id = 0, + .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO0, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC3_AUDIO0_SHIFT, + .mask = S5PC100_CLKSRC3_AUDIO0_MASK, + .sources = &clkset_audio0, + .divider_shift = S5PC100_CLKDIV4_AUDIO0_SHIFT, + .reg_divider = S5PC100_CLKDIV4, + .reg_source = S5PC100_CLKSRC3, +}; + +static struct clk *clkset_audio1_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_iis_cd1, + &clk_pcm_cd1, + &clk_mout_hpll.clk, +}; + +static struct clk_sources clkset_audio1 = { + .sources = clkset_audio1_list, + .nr_sources = ARRAY_SIZE(clkset_audio1_list), +}; + +static struct clksrc_clk clk_audio1 = { + .clk = { + .name = "audio-bus", + .id = 1, + .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO1, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC3_AUDIO1_SHIFT, + .mask = S5PC100_CLKSRC3_AUDIO1_MASK, + .sources = &clkset_audio1, + .divider_shift = S5PC100_CLKDIV4_AUDIO1_SHIFT, + .reg_divider = S5PC100_CLKDIV4, + .reg_source = S5PC100_CLKSRC3, +}; + +static struct clk *clkset_audio2_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_iis_cd2, + &clk_mout_hpll.clk, +}; + +static struct clk_sources clkset_audio2 = { + .sources = clkset_audio2_list, + .nr_sources = ARRAY_SIZE(clkset_audio2_list), +}; + +static struct clksrc_clk clk_audio2 = { + .clk = { + .name = "audio-bus", + .id = 2, + .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO2, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC3_AUDIO2_SHIFT, + .mask = S5PC100_CLKSRC3_AUDIO2_MASK, + .sources = &clkset_audio2, + .divider_shift = S5PC100_CLKDIV4_AUDIO2_SHIFT, + .reg_divider = S5PC100_CLKDIV4, + .reg_source = S5PC100_CLKSRC3, +}; + +static struct clk *clkset_spdif_list[] = { + &clk_audio0.clk, + &clk_audio1.clk, + &clk_audio2.clk, +}; + +static struct clk_sources clkset_spdif = { + .sources = clkset_spdif_list, + .nr_sources = ARRAY_SIZE(clkset_spdif_list), +}; + +static struct clksrc_clk clk_spdif = { + .clk = { + .name = "spdif", + .id = -1, + }, + .shift = S5PC100_CLKSRC3_SPDIF_SHIFT, + .mask = S5PC100_CLKSRC3_SPDIF_MASK, + .sources = &clkset_spdif, + .reg_source = S5PC100_CLKSRC3, +}; + +static struct clk *clkset_lcd_fimc_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_mout_hpll.clk, + &clk_vclk_54m, +}; + +static struct clk_sources clkset_lcd_fimc = { + .sources = clkset_lcd_fimc_list, + .nr_sources = ARRAY_SIZE(clkset_lcd_fimc_list), +}; + +static struct clksrc_clk clk_lcd = { + .clk = { + .name = "lcd", + .id = -1, + .ctrlbit = S5PC100_CLKGATE_SCLK1_LCD, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_LCD_SHIFT, + .mask = S5PC100_CLKSRC2_LCD_MASK, + .sources = &clkset_lcd_fimc, + .divider_shift = S5PC100_CLKDIV3_LCD_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clksrc_clk clk_fimc0 = { + .clk = { + .name = "fimc", + .id = 0, + .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC0, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_FIMC0_SHIFT, + .mask = S5PC100_CLKSRC2_FIMC0_MASK, + .sources = &clkset_lcd_fimc, + .divider_shift = S5PC100_CLKDIV3_FIMC0_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clksrc_clk clk_fimc1 = { + .clk = { + .name = "fimc", + .id = 1, + .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC1, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_FIMC1_SHIFT, + .mask = S5PC100_CLKSRC2_FIMC1_MASK, + .sources = &clkset_lcd_fimc, + .divider_shift = S5PC100_CLKDIV3_FIMC1_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clksrc_clk clk_fimc2 = { + .clk = { + .name = "fimc", + .id = 2, + .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC2, + .enable = s5pc100_sclk1_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_FIMC2_SHIFT, + .mask = S5PC100_CLKSRC2_FIMC2_MASK, + .sources = &clkset_lcd_fimc, + .divider_shift = S5PC100_CLKDIV3_FIMC2_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clk *clkset_mmc_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_mout_hpll.clk , +}; + +static struct clk_sources clkset_mmc = { + .sources = clkset_mmc_list, + .nr_sources = ARRAY_SIZE(clkset_mmc_list), +}; + +static struct clksrc_clk clk_mmc0 = { + .clk = { + .name = "mmc_bus", + .id = 0, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_MMC0_SHIFT, + .mask = S5PC100_CLKSRC2_MMC0_MASK, + .sources = &clkset_mmc, + .divider_shift = S5PC100_CLKDIV3_MMC0_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clksrc_clk clk_mmc1 = { + .clk = { + .name = "mmc_bus", + .id = 1, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_MMC1_SHIFT, + .mask = S5PC100_CLKSRC2_MMC1_MASK, + .sources = &clkset_mmc, + .divider_shift = S5PC100_CLKDIV3_MMC1_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + +static struct clksrc_clk clk_mmc2 = { + .clk = { + .name = "mmc_bus", + .id = 2, + .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC2_MMC2_SHIFT, + .mask = S5PC100_CLKSRC2_MMC2_MASK, + .sources = &clkset_mmc, + .divider_shift = S5PC100_CLKDIV3_MMC2_SHIFT, + .reg_divider = S5PC100_CLKDIV3, + .reg_source = S5PC100_CLKSRC2, +}; + + +static struct clk *clkset_usbhost_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_mout_hpll.clk, + &clk_48m, +}; + +static struct clk_sources clkset_usbhost = { + .sources = clkset_usbhost_list, + .nr_sources = ARRAY_SIZE(clkset_usbhost_list), +}; + +static struct clksrc_clk clk_usbhost = { + .clk = { + .name = "usbhost", + .id = -1, + .ctrlbit = S5PC100_CLKGATE_SCLK0_USBHOST, + .enable = s5pc100_sclk0_ctrl, + .set_parent = s5pc100_setparent_clksrc, + .get_rate = s5pc100_getrate_clksrc, + .set_rate = s5pc100_setrate_clksrc, + .round_rate = s5pc100_roundrate_clksrc, + }, + .shift = S5PC100_CLKSRC1_UHOST_SHIFT, + .mask = S5PC100_CLKSRC1_UHOST_MASK, + .sources = &clkset_usbhost, + .divider_shift = S5PC100_CLKDIV2_UHOST_SHIFT, + .reg_divider = S5PC100_CLKDIV2, + .reg_source = S5PC100_CLKSRC1, +}; + /* Clock initialisation code */ static struct clksrc_clk *init_parents[] = { &clk_mout_apll, - &clk_mout_epll, &clk_mout_mpll, + &clk_mout_am, + &clk_mout_onenand, + &clk_mout_epll, + &clk_mout_hpll, + &clk_spi0, + &clk_spi1, + &clk_spi2, &clk_uart_uclk1, + &clk_audio0, + &clk_audio1, + &clk_audio2, + &clk_spdif, + &clk_lcd, + &clk_fimc0, + &clk_fimc1, + &clk_fimc2, + &clk_mmc0, + &clk_mmc1, + &clk_mmc2, + &clk_usbhost, }; -static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk) +static void __init_or_cpufreq s5pc100_set_clksrc(struct clksrc_clk *clk) { struct clk_sources *srcs = clk->sources; u32 clksrc = __raw_readl(clk->reg_source); @@ -1036,9 +1015,9 @@ static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk) clk->clk.parent = srcs->sources[clksrc]; - printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n", - clk->clk.name, clk->clk.parent->name, clksrc, - clk_get_rate(&clk->clk)); + printk(KERN_INFO "%s: source is %s (%d), rate is %ld.%03ld MHz\n", + clk->clk.name, clk->clk.parent->name, clksrc, + print_mhz(clk_get_rate(&clk->clk))); } #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) @@ -1052,10 +1031,7 @@ void __init_or_cpufreq s5pc100_setup_clocks(void) unsigned long hclk; unsigned long pclkd0; unsigned long pclk; - unsigned long apll; - unsigned long mpll; - unsigned long hpll; - unsigned long epll; + unsigned long apll, mpll, epll, hpll; unsigned int ptr; u32 clkdiv0, clkdiv1; @@ -1064,8 +1040,7 @@ void __init_or_cpufreq s5pc100_setup_clocks(void) clkdiv0 = __raw_readl(S5PC100_CLKDIV0); clkdiv1 = __raw_readl(S5PC100_CLKDIV1); - printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n", - __func__, clkdiv0, clkdiv1); + printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n", __func__, clkdiv0, clkdiv1); xtal_clk = clk_get(NULL, "xtal"); BUG_ON(IS_ERR(xtal_clk)); @@ -1080,8 +1055,10 @@ void __init_or_cpufreq s5pc100_setup_clocks(void) epll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_EPLL_CON)); hpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_HPLL_CON)); - printk(KERN_INFO "S5PC100: PLL settings, A=%ld, M=%ld, E=%ld, H=%ld\n", - apll, mpll, epll, hpll); + printk(KERN_INFO "S5PC100: Apll=%ld.%03ld Mhz, Mpll=%ld.%03ld Mhz" + ", Epll=%ld.%03ld Mhz, Hpll=%ld.%03ld Mhz\n", + print_mhz(apll), print_mhz(mpll), + print_mhz(epll), print_mhz(hpll)); armclk = apll / GET_DIV(clkdiv0, S5PC100_CLKDIV0_APLL); armclk = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_ARM); @@ -1090,33 +1067,64 @@ void __init_or_cpufreq s5pc100_setup_clocks(void) hclk = mpll / GET_DIV(clkdiv1, S5PC100_CLKDIV1_D1); pclk = hclk / GET_DIV(clkdiv1, S5PC100_CLKDIV1_PCLKD1); - printk(KERN_INFO "S5PC100: ARMCLK=%ld, HCLKD0=%ld, PCLKD0=%ld, HCLK=%ld, PCLK=%ld\n", - armclk, hclkd0, pclkd0, hclk, pclk); + printk(KERN_INFO "S5PC100: ARMCLK=%ld.%03ld MHz, HCLKD0=%ld.%03ld MHz," + " PCLKD0=%ld.%03ld MHz\n, HCLK=%ld.%03ld MHz," + " PCLK=%ld.%03ld MHz\n", + print_mhz(armclk), print_mhz(hclkd0), + print_mhz(pclkd0), print_mhz(hclk), print_mhz(pclk)); clk_fout_apll.rate = apll; clk_fout_mpll.rate = mpll; clk_fout_epll.rate = epll; - clk_fout_apll.rate = apll; + clk_fout_hpll.rate = hpll; clk_h.rate = hclk; clk_p.rate = pclk; + clk_f.rate = armclk; for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) - s5pc1xx_set_clksrc(init_parents[ptr]); + s5pc100_set_clksrc(init_parents[ptr]); } static struct clk *clks[] __initdata = { &clk_ext_xtal_mux, - &clk_mout_epll.clk, - &clk_fout_epll, + &clk_mout_apll.clk, + &clk_dout_apll, + &clk_dout_d0_bus, + &clk_dout_pclkd0, + &clk_dout_apll2, &clk_mout_mpll.clk, + &clk_mout_am.clk, + &clk_dout_d1_bus, + &clk_mout_onenand.clk, + &clk_dout_pclkd1, + &clk_dout_mpll2, + &clk_dout_cam, &clk_dout_mpll, + &clk_mout_epll.clk, + &clk_fout_epll, + &clk_iis_cd0, + &clk_iis_cd1, + &clk_iis_cd2, + &clk_pcm_cd0, + &clk_pcm_cd1, + &clk_spi0.clk, + &clk_spi1.clk, + &clk_spi2.clk, &clk_uart_uclk1.clk, - &clk_ext, - &clk_epll, - &clk_27m, - &clk_48m, - &clk_54m, + &clk_audio0.clk, + &clk_audio1.clk, + &clk_audio2.clk, + &clk_spdif.clk, + &clk_lcd.clk, + &clk_fimc0.clk, + &clk_fimc1.clk, + &clk_fimc2.clk, + &clk_mmc0.clk, + &clk_mmc1.clk, + &clk_mmc2.clk, + &clk_usbhost.clk, + &clk_arm, }; void __init s5pc100_register_clocks(void) @@ -1133,7 +1141,4 @@ void __init s5pc100_register_clocks(void) clkp->name, ret); } } - - clk_mpll.parent = &clk_mout_mpll.clk; - clk_epll.parent = &clk_mout_epll.clk; }