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-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun4i.c11
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 =