diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/clocks.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/clocks.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index 4f0e0cd88..008bfd8b5 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -248,6 +248,15 @@ static inline void wait_for_lock(u32 *const base) } } +static void force_on(u32 *const reg, u32 val) +{ + u32 temp; + + temp = readl(reg); + temp |= val; + writel(temp, reg); +} + static void do_setup_dpll(u32 *const base, const struct dpll_params *params, u8 lock) { @@ -441,6 +450,10 @@ static void setup_non_essential_dplls(void) /* Now setup the dpll with the regular function */ do_setup_dpll(&prcm->cm_clkmode_dpll_usb, params, DPLL_LOCK); + /* Force on these two clocks */ + force_on(&prcm->cm_div_m2_dpll_usb, 1 << 8); + force_on(&prcm->cm_clkdcoldo_dpll_usb, 1 << 8); + #ifdef CONFIG_SYS_OMAP4_ABE_SYSCK params = &abe_dpll_params_sysclk_196608khz[sysclk_ind]; abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK; |