diff options
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock.c | 32 | ||||
| -rw-r--r-- | include/configs/arndale5250.h | 2 |
2 files changed, 31 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 1c5ec96a4..c0180ea87 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -531,6 +531,7 @@ static unsigned long exynos5_get_mmc_clk(int dev_index) unsigned int sel; unsigned int ratio; unsigned int pre_ratio; + unsigned int addr; sel = readl(&clk->src_fsys); sel = (sel >> (dev_index << 2)) & 0xf; @@ -544,9 +545,22 @@ static unsigned long exynos5_get_mmc_clk(int dev_index) else return 0; - ratio = readl(&clk->div_fsys1); + /* + * CLK_DIV_FSYS1 + * MMC0_PRE_RATIO [15:8], MMC1_PRE_RATIO [31:24] + * CLK_DIV_FSYS2 + * MMC2_PRE_RATIO [15:8], MMC3_PRE_RATIO [31:24] + */ + if (dev_index < 2) { + addr = (unsigned int)&clk->div_fsys1; + } else { + addr = (unsigned int)&clk->div_fsys2; + dev_index -= 2; + } + + ratio = readl(addr); ratio = (ratio >> (dev_index << 2)) & 0xf; - pre_ratio = readl(&clk->div_fsys1); + pre_ratio = readl(addr); pre_ratio = (pre_ratio >> ((dev_index<< 4) + 8)) & 0xff; uclk = (sclk /(ratio + 1))/(pre_ratio + 1); @@ -956,3 +970,17 @@ void set_mipi_clk(void) if (cpu_is_exynos4()) exynos4_set_mipi_clk(); } + +/* + * Dump some core clockes. + */ +int do_showclocks(void) +{ + printf("\n"); + printf("USDHC1 %8d kHz\n", get_mmc_clk(0)); + printf("USDHC2 %8d kHz\n", get_mmc_clk(1)); + printf("USDHC3 %8d kHz\n", get_mmc_clk(2)); + printf("USDHC4 %8d kHz\n", get_mmc_clk(3)); + + return 0; +} diff --git a/include/configs/arndale5250.h b/include/configs/arndale5250.h index 153aec727..9698c6905 100644 --- a/include/configs/arndale5250.h +++ b/include/configs/arndale5250.h @@ -100,6 +100,7 @@ #define CONFIG_CMD_EXT2 #define CONFIG_CMD_FAT #define CONFIG_CMD_NET +#define CONFIG_SUPPORT_RAW_INITRD #define CONFIG_BOOTDELAY 3 #define CONFIG_ZERO_BOOTDELAY_CHECK @@ -120,7 +121,6 @@ #define CONFIG_SPL_MAX_SIZE (14 * 1024) #define CONFIG_BOOTCOMMAND "mmc read 40007000 451 2000; bootm 40007000" - /* Miscellaneous configurable options */ #define CONFIG_SYS_LONGHELP /* undef to save memory */ #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ |