diff options
| author | Gao Pan <gaopan@freescale.com> | 2015-06-11 11:33:13 +0800 |
|---|---|---|
| committer | Gao Pan <gaopan@freescale.com> | 2015-06-12 16:20:56 +0800 |
| commit | aaf0fc93a5455abe9fdb2d13f7e934c59ab8c4ba (patch) | |
| tree | 8dddaaec9be793fce387393b54b9fe3d6aa651a5 | |
| parent | 34ff6ab4e6af5e87eb3edc0420b204bf09e859e6 (diff) | |
MLK-11098: arm: imx: set imx6qp eim_slow to 132Mhz
eim_slow is 66MHz on imx6qp and 132MHz on imx6q. As a result,
imx6qp weim nor read performance is half of imx6q.
To eliminate the performance difference, imx6qp eim_slow is set
to 132Mhz.
Signed-off-by: Gao Pan <b54642@freescale.com>
| -rw-r--r-- | arch/arm/mach-imx/clk-imx6q.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index e6d82a2fcf63..d9e97193b062 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -650,6 +650,9 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) if (IS_ENABLED(CONFIG_PCI_IMX6)) imx_clk_set_parent(clk[IMX6QDL_CLK_LVDS1_SEL], clk[IMX6QDL_CLK_SATA_REF]); + /* set eim_slow to 132Mhz */ + imx_clk_set_rate(clk[IMX6QDL_CLK_EIM_SLOW], 132000000); + /* * Enable clocks only after both parent and rate are all initialized * as needed |