From 1c6f3b6ec717bdf7e6a26996e399e050f66abcce Mon Sep 17 00:00:00 2001 From: "Ye.Li" Date: Tue, 16 Sep 2014 17:38:46 +0800 Subject: ENGR00331706-3 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 --- arch/arm/cpu/armv7/mx6/clock.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 0c6abbc..9c6838f 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -204,6 +204,10 @@ 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); -- cgit v1.1