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| author | Ye.Li <B37916@freescale.com> | 2014-09-16 17:38:46 +0800 |
|---|---|---|
| committer | Ye.Li <B37916@freescale.com> | 2014-09-18 11:10:56 +0800 |
| commit | 1c6f3b6ec717bdf7e6a26996e399e050f66abcce (patch) | |
| tree | 2436482d0258ee762d987f88050a71380f1aa623 | |
| parent | 073fa27266c969d9cf4f5bc7fb8c8a5441759f99 (diff) | |
| download | u-boot-imx-1c6f3b6ec717bdf7e6a26996e399e050f66abcce.zip u-boot-imx-1c6f3b6ec717bdf7e6a26996e399e050f66abcce.tar.gz u-boot-imx-1c6f3b6ec717bdf7e6a26996e399e050f66abcce.tar.bz2 | |
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 <B37916@freescale.com>
| -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 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); |