[U-Boot] [PATCH v3 3/5] imx: mx6: Change the get_ipg_per_clk for OSC 24Mhz source

For MX6SL and MX6SX, the perclk can come from OSC 24Mhz source. Fix the get_ipg_per_clk function to support it.

Signed-off-by: Ye.Li B37916@freescale.com --- Changes since v2: - None

Changes since v1: - None

arch/arm/cpu/armv7/mx6/clock.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index d200531..6c9c78c 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -312,6 +312,10 @@ static u32 get_ipg_per_clk(void) u32 reg, perclk_podf;

reg = __raw_readl(&imx_ccm->cscmr1); +#if (defined(CONFIG_MX6SL) || defined(CONFIG_MX6SX)) + if (reg & MXC_CCM_CSCMR1_PER_CLK_SEL_MASK) + return MXC_HCLK; /* OSC 24Mhz */ +#endif perclk_podf = reg & MXC_CCM_CSCMR1_PERCLK_PODF_MASK;

return get_ipg_clk() / (perclk_podf + 1);