diff options
| author | Ye.Li <B37916@freescale.com> | 2014-10-30 18:20:57 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-11-03 11:21:49 +0100 |
| commit | e68661a32eb1304413ce45900446bcce9204537e (patch) | |
| tree | 4ada2cbcbc554a8b2365f71633b823ba8e7c4854 /arch | |
| parent | 0561b8edf0098e938f8e9fb55be41ddb455b52b2 (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | 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 d200531030..6c9c78c11a 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); |