diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 8b6b7c1..f1d2cea 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -393,6 +393,17 @@ static void init_bandgap(void) writel(BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF, &mxc_ccm->ana_misc0_set); } +#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 #ifdef CONFIG_MX6SX void vadc_power_up(void) @@ -537,6 +548,11 @@ 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 */ #ifndef CONFIG_MX6SL |