diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/clock_sun4i.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c index ecbdb01..4a0d64f 100644 --- a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c +++ b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c @@ -180,6 +180,17 @@ void clock_set_pll1(unsigned int hz) } #endif +unsigned int clock_get_pll5p(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + uint32_t rval = readl(&ccm->pll5_cfg); + int n = ((rval & CCM_PLL5_CTRL_N_MASK) >> CCM_PLL5_CTRL_N_SHIFT); + int k = ((rval & CCM_PLL5_CTRL_K_MASK) >> CCM_PLL5_CTRL_K_SHIFT) + 1; + int p = ((rval & CCM_PLL5_CTRL_P_MASK) >> CCM_PLL5_CTRL_P_SHIFT); + return (24000000 * n * k) >> p; +} + unsigned int clock_get_pll6(void) { struct sunxi_ccm_reg *const ccm = |