diff options
Diffstat (limited to 'arch/arm/cpu/armv7/mx6/soc.c')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 6352422253..affbf7f702 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -9,6 +9,7 @@ #include <common.h> #include <asm/armv7.h> +#include <asm/bootm.h> #include <asm/pl310.h> #include <asm/errno.h> #include <asm/io.h> @@ -20,6 +21,7 @@ #include <stdbool.h> #include <asm/arch/mxc_hdmi.h> #include <asm/arch/crm_regs.h> +#include <asm/bootm.h> enum ldo_reg { LDO_ARM, @@ -238,6 +240,18 @@ static void clear_mmdc_ch_mask(void) writel(0, &mxc_ccm->ccdr); } +#ifdef CONFIG_MX6SL +static void set_preclk_from_osc(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + u32 reg; + + reg = readl(&mxc_ccm->cscmr1); + reg |= MXC_CCM_CSCMR1_PER_CLK_SEL_MASK; + writel(reg, &mxc_ccm->cscmr1); +} +#endif + int arch_cpu_init(void) { init_aips(); @@ -253,6 +267,11 @@ int arch_cpu_init(void) if (mxc_get_clock(MXC_ARM_CLK) == 396000000) set_ahb_rate(132000000); + /* Set perclk to source from OSC 24MHz */ +#if defined(CONFIG_MX6SL) + set_preclk_from_osc(); +#endif + imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ #ifdef CONFIG_APBH_DMA |
