diff options
Diffstat (limited to 'arch/arm/plat-s3c64xx/s3c6400-clock.c')
| -rw-r--r-- | arch/arm/plat-s3c64xx/s3c6400-clock.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c deleted file mode 100644 index ffd56deb9e8..00000000000 --- a/arch/arm/plat-s3c64xx/s3c6400-clock.c +++ /dev/null @@ -1,758 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/s3c6400-clock.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C6400 based common 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 <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/sysdev.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/map.h> - -#include <plat/cpu-freq.h> - -#include <plat/regs-clock.h> -#include <plat/clock.h> -#include <plat/cpu.h> -#include <plat/pll.h> - -/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call - * ext_xtal_mux for want of an actual name from the manual. -*/ - -static struct clk clk_ext_xtal_mux = { - .name = "ext_xtal", - .id = -1, -}; - -#define clk_fin_apll clk_ext_xtal_mux -#define clk_fin_mpll clk_ext_xtal_mux -#define clk_fin_epll clk_ext_xtal_mux - -#define clk_fout_mpll clk_mpll -#define clk_fout_epll clk_epll - -struct clk_sources { - unsigned int nr_sources; - struct clk **sources; -}; - -struct clksrc_clk { - struct clk clk; - unsigned int mask; - unsigned int shift; - - struct clk_sources *sources; - - unsigned int divider_shift; - void __iomem *reg_divider; -}; - -static struct clk clk_fout_apll = { - .name = "fout_apll", - .id = -1, -}; - -static struct clk *clk_src_apll_list[] = { - [0] = &clk_fin_apll, - [1] = &clk_fout_apll, -}; - -static struct clk_sources clk_src_apll = { - .sources = clk_src_apll_list, - .nr_sources = ARRAY_SIZE(clk_src_apll_list), -}; - -static struct clksrc_clk clk_mout_apll = { - .clk = { - .name = "mout_apll", - .id = -1, - }, - .shift = S3C6400_CLKSRC_APLL_MOUT_SHIFT, - .mask = S3C6400_CLKSRC_APLL_MOUT, - .sources = &clk_src_apll, -}; - -static struct clk *clk_src_epll_list[] = { - [0] = &clk_fin_epll, - [1] = &clk_fout_epll, -}; - -static struct clk_sources clk_src_epll = { - .sources = clk_src_epll_list, - .nr_sources = ARRAY_SIZE(clk_src_epll_list), -}; - -static struct clksrc_clk clk_mout_epll = { - .clk = { - .name = "mout_epll", - .id = -1, - }, - .shift = S3C6400_CLKSRC_EPLL_MOUT_SHIFT, - .mask = S3C6400_CLKSRC_EPLL_MOUT, - .sources = &clk_src_epll, -}; - -static struct clk *clk_src_mpll_list[] = { - [0] = &clk_fin_mpll, - [1] = &clk_fout_mpll, -}; - -static struct clk_sources clk_src_mpll = { - .sources = clk_src_mpll_list, - .nr_sources = ARRAY_SIZE(clk_src_mpll_list), -}; - -static struct clksrc_clk clk_mout_mpll = { - .clk = { - .name = "mout_mpll", - .id = -1, - }, - .shift = S3C6400_CLKSRC_MPLL_MOUT_SHIFT, - .mask = S3C6400_CLKSRC_MPLL_MOUT, - .sources = &clk_src_mpll, -}; - -static unsigned int armclk_mask; - -static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - u32 clkdiv; - - /* divisor mask starts at bit0, so no need to shift */ - clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask; - - return rate / (clkdiv + 1); -} - -static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - - if (parent < rate) - return parent; - - div = (parent / rate) - 1; - if (div > armclk_mask) - div = armclk_mask; - - return parent / (div + 1); -} - -static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - u32 val; - - if (rate < parent / (armclk_mask + 1)) - return -EINVAL; - - rate = clk_round_rate(clk, rate); - div = clk_get_rate(clk->parent) / rate; - - val = __raw_readl(S3C_CLK_DIV0); - val &= ~armclk_mask; - val |= (div - 1); - __raw_writel(val, S3C_CLK_DIV0); - - return 0; - -} - -static struct clk clk_arm = { - .name = "armclk", - .id = -1, - .parent = &clk_mout_apll.clk, - .get_rate = s3c64xx_clk_arm_get_rate, - .set_rate = s3c64xx_clk_arm_set_rate, - .round_rate = s3c64xx_clk_arm_round_rate, -}; - -static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) - rate /= 2; - - return rate; -} - -static struct clk clk_dout_mpll = { - .name = "dout_mpll", - .id = -1, - .parent = &clk_mout_mpll.clk, - .get_rate = s3c64xx_clk_doutmpll_get_rate, -}; - -static struct clk *clkset_spi_mmc_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, - &clk_27m, -}; - -static struct clk_sources clkset_spi_mmc = { - .sources = clkset_spi_mmc_list, - .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), -}; - -static struct clk *clkset_irda_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - &clk_27m, -}; - -static struct clk_sources clkset_irda = { - .sources = clkset_irda_list, - .nr_sources = ARRAY_SIZE(clkset_irda_list), -}; - -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), -}; - -static struct clk *clkset_uhost_list[] = { - &clk_48m, - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, -}; - -static struct clk_sources clkset_uhost = { - .sources = clkset_uhost_list, - .nr_sources = ARRAY_SIZE(clkset_uhost_list), -}; - - -/* 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 S3C64XX 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 s3c64xx_getrate_clksrc(struct clk *clk) -{ - struct clksrc_clk *sclk = to_clksrc(clk); - unsigned long rate = clk_get_rate(clk->parent); - u32 clkdiv = __raw_readl(sclk->reg_divider); - - clkdiv >>= sclk->divider_shift; - clkdiv &= 0xf; - clkdiv++; - - rate /= clkdiv; - return rate; -} - -static int s3c64xx_setrate_clksrc(struct clk *clk, unsigned long rate) -{ - struct clksrc_clk *sclk = to_clksrc(clk); - void __iomem *reg = sclk->reg_divider; - unsigned int div; - u32 val; - - rate = clk_round_rate(clk, rate); - div = clk_get_rate(clk->parent) / rate; - if (div > 16) - return -EINVAL; - - val = __raw_readl(reg); - val &= ~(0xf << sclk->divider_shift); - val |= (div - 1) << sclk->divider_shift; - __raw_writel(val, reg); - - return 0; -} - -static int s3c64xx_setparent_clksrc(struct clk *clk, struct clk *parent) -{ - struct clksrc_clk *sclk = to_clksrc(clk); - struct clk_sources *srcs = sclk->sources; - u32 clksrc = __raw_readl(S3C_CLK_SRC); - int src_nr = -1; - int ptr; - - for (ptr = 0; ptr < srcs->nr_sources; ptr++) - if (srcs->sources[ptr] == parent) { - src_nr = ptr; - break; - } - - if (src_nr >= 0) { - clksrc &= ~sclk->mask; - clksrc |= src_nr << sclk->shift; - - __raw_writel(clksrc, S3C_CLK_SRC); - - clk->parent = parent; - return 0; - } - - return -EINVAL; -} - -static unsigned long s3c64xx_roundrate_clksrc(struct clk *clk, - unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - int div; - - if (rate > parent_rate) - rate = parent_rate; - else { - div = parent_rate / rate; - - if (div == 0) - div = 1; - if (div > 16) - div = 16; - - rate = parent_rate / div; - } - - return rate; -} - -static struct clksrc_clk clk_mmc0 = { - .clk = { - .name = "mmc_bus", - .id = 0, - .ctrlbit = S3C_CLKCON_SCLK_MMC0, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_MMC0_SHIFT, - .mask = S3C6400_CLKSRC_MMC0_MASK, - .sources = &clkset_spi_mmc, - .divider_shift = S3C6400_CLKDIV1_MMC0_SHIFT, - .reg_divider = S3C_CLK_DIV1, -}; - -static struct clksrc_clk clk_mmc1 = { - .clk = { - .name = "mmc_bus", - .id = 1, - .ctrlbit = S3C_CLKCON_SCLK_MMC1, - .enable = s3c64xx_sclk_ctrl, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .set_parent = s3c64xx_setparent_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_MMC1_SHIFT, - .mask = S3C6400_CLKSRC_MMC1_MASK, - .sources = &clkset_spi_mmc, - .divider_shift = S3C6400_CLKDIV1_MMC1_SHIFT, - .reg_divider = S3C_CLK_DIV1, -}; - -static struct clksrc_clk clk_mmc2 = { - .clk = { - .name = "mmc_bus", - .id = 2, - .ctrlbit = S3C_CLKCON_SCLK_MMC2, - .enable = s3c64xx_sclk_ctrl, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .set_parent = s3c64xx_setparent_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_MMC2_SHIFT, - .mask = S3C6400_CLKSRC_MMC2_MASK, - .sources = &clkset_spi_mmc, - .divider_shift = S3C6400_CLKDIV1_MMC2_SHIFT, - .reg_divider = S3C_CLK_DIV1, -}; - -static struct clksrc_clk clk_usbhost = { - .clk = { - .name = "usb-bus-host", - .id = -1, - .ctrlbit = S3C_CLKCON_SCLK_UHOST, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_UHOST_SHIFT, - .mask = S3C6400_CLKSRC_UHOST_MASK, - .sources = &clkset_uhost, - .divider_shift = S3C6400_CLKDIV1_UHOST_SHIFT, - .reg_divider = S3C_CLK_DIV1, -}; - -static struct clksrc_clk clk_uart_uclk1 = { - .clk = { - .name = "uclk1", - .id = -1, - .ctrlbit = S3C_CLKCON_SCLK_UART, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_UART_SHIFT, - .mask = S3C6400_CLKSRC_UART_MASK, - .sources = &clkset_uart, - .divider_shift = S3C6400_CLKDIV2_UART_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -/* Where does UCLK0 come from? */ - -static struct clksrc_clk clk_spi0 = { - .clk = { - .name = "spi-bus", - .id = 0, - .ctrlbit = S3C_CLKCON_SCLK_SPI0, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_SPI0_SHIFT, - .mask = S3C6400_CLKSRC_SPI0_MASK, - .sources = &clkset_spi_mmc, - .divider_shift = S3C6400_CLKDIV2_SPI0_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -static struct clksrc_clk clk_spi1 = { - .clk = { - .name = "spi-bus", - .id = 1, - .ctrlbit = S3C_CLKCON_SCLK_SPI1, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_SPI1_SHIFT, - .mask = S3C6400_CLKSRC_SPI1_MASK, - .sources = &clkset_spi_mmc, - .divider_shift = S3C6400_CLKDIV2_SPI1_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -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_pcm_cd = { - .name = "pcm_cdclk", - .id = -1, -}; - -static struct clk *clkset_audio0_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd0, - [4] = &clk_pcm_cd, -}; - -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 = S3C_CLKCON_SCLK_AUDIO0, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_AUDIO0_SHIFT, - .mask = S3C6400_CLKSRC_AUDIO0_MASK, - .sources = &clkset_audio0, - .divider_shift = S3C6400_CLKDIV2_AUDIO0_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -static struct clk *clkset_audio1_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd1, - [4] = &clk_pcm_cd, -}; - -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 = S3C_CLKCON_SCLK_AUDIO1, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_AUDIO1_SHIFT, - .mask = S3C6400_CLKSRC_AUDIO1_MASK, - .sources = &clkset_audio1, - .divider_shift = S3C6400_CLKDIV2_AUDIO1_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -static struct clksrc_clk clk_irda = { - .clk = { - .name = "irda-bus", - .id = 0, - .ctrlbit = S3C_CLKCON_SCLK_IRDA, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = S3C6400_CLKSRC_IRDA_SHIFT, - .mask = S3C6400_CLKSRC_IRDA_MASK, - .sources = &clkset_irda, - .divider_shift = S3C6400_CLKDIV2_IRDA_SHIFT, - .reg_divider = S3C_CLK_DIV2, -}; - -static struct clk *clkset_camif_list[] = { - &clk_h2, -}; - -static struct clk_sources clkset_camif = { - .sources = clkset_camif_list, - .nr_sources = ARRAY_SIZE(clkset_camif_list), -}; - -static struct clksrc_clk clk_camif = { - .clk = { - .name = "camera", - .id = -1, - .ctrlbit = S3C_CLKCON_SCLK_CAM, - .enable = s3c64xx_sclk_ctrl, - .set_parent = s3c64xx_setparent_clksrc, - .get_rate = s3c64xx_getrate_clksrc, - .set_rate = s3c64xx_setrate_clksrc, - .round_rate = s3c64xx_roundrate_clksrc, - }, - .shift = 0, - .mask = 0, - .sources = &clkset_camif, - .divider_shift = S3C6400_CLKDIV0_CAM_SHIFT, - .reg_divider = S3C_CLK_DIV0, -}; - -/* Clock initialisation code */ - -static struct clksrc_clk *init_parents[] = { - &clk_mout_apll, - &clk_mout_epll, - &clk_mout_mpll, - &clk_mmc0, - &clk_mmc1, - &clk_mmc2, - &clk_usbhost, - &clk_uart_uclk1, - &clk_spi0, - &clk_spi1, - &clk_audio0, - &clk_audio1, - &clk_irda, - &clk_camif, -}; - -static void __init_or_cpufreq s3c6400_set_clksrc(struct clksrc_clk *clk) -{ - struct clk_sources *srcs = clk->sources; - u32 clksrc = __raw_readl(S3C_CLK_SRC); - - clksrc &= clk->mask; - clksrc >>= clk->shift; - - if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) { - printk(KERN_ERR "%s: bad source %d\n", - clk->clk.name, clksrc); - return; - } - - 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)); -} - -#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) - -void __init_or_cpufreq s3c6400_setup_clocks(void) -{ - struct clk *xtal_clk; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long hclk2; - unsigned long pclk; - unsigned long epll; - unsigned long apll; - unsigned long mpll; - unsigned int ptr; - u32 clkdiv0; - - printk(KERN_DEBUG "%s: registering clocks\n", __func__); - - clkdiv0 = __raw_readl(S3C_CLK_DIV0); - printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); - - xtal_clk = clk_get(NULL, "xtal"); - BUG_ON(IS_ERR(xtal_clk)); - - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - - /* For now assume the mux always selects the crystal */ - clk_ext_xtal_mux.parent = xtal_clk; - - epll = s3c6400_get_epll(xtal); - mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); - apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); - - fclk = mpll; - - printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", - apll, mpll, epll); - - hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); - pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); - - printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", - hclk2, hclk, pclk); - - clk_fout_mpll.rate = mpll; - clk_fout_epll.rate = epll; - clk_fout_apll.rate = apll; - - clk_h2.rate = hclk2; - clk_h.rate = hclk; - clk_p.rate = pclk; - clk_f.rate = fclk; - - for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) - s3c6400_set_clksrc(init_parents[ptr]); -} - -static struct clk *clks[] __initdata = { - &clk_ext_xtal_mux, - &clk_iis_cd0, - &clk_iis_cd1, - &clk_pcm_cd, - &clk_mout_epll.clk, - &clk_mout_mpll.clk, - &clk_dout_mpll, - &clk_mmc0.clk, - &clk_mmc1.clk, - &clk_mmc2.clk, - &clk_usbhost.clk, - &clk_uart_uclk1.clk, - &clk_spi0.clk, - &clk_spi1.clk, - &clk_audio0.clk, - &clk_audio1.clk, - &clk_irda.clk, - &clk_camif.clk, - &clk_arm, -}; - -/** - * s3c6400_register_clocks - register clocks for s3c6400 and above - * @armclk_divlimit: Divisor mask for ARMCLK - * - * Register the clocks for the S3C6400 and above SoC range, such - * as ARMCLK and the clocks which have divider chains attached. - * - * This call does not setup the clocks, which is left to the - * s3c6400_setup_clocks() call which may be needed by the cpufreq - * or resume code to re-set the clocks if the bootloader has changed - * them. - */ -void __init s3c6400_register_clocks(unsigned armclk_divlimit) -{ - struct clk *clkp; - int ret; - int ptr; - - armclk_mask = armclk_divlimit; - - for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) { - clkp = clks[ptr]; - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } -} |