diff options
| author | Ye Li <ye.li@nxp.com> | 2016-03-11 10:58:33 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2016-03-25 16:02:13 +0800 |
| commit | 95302eefcde6f37b248ea1cc9892867cc3600910 (patch) | |
| tree | e653388f5438b0c3726c264704261c0bc8492f2c /arch | |
| parent | f66842f79d4e33ace45762466eed23a86d367642 (diff) | |
| download | u-boot-imx-95302eefcde6f37b248ea1cc9892867cc3600910.zip u-boot-imx-95302eefcde6f37b248ea1cc9892867cc3600910.tar.gz u-boot-imx-95302eefcde6f37b248ea1cc9892867cc3600910.tar.bz2 | |
MLK-12532 mx6ul: Add work around for PMIC_STBY_REQ_PAD on TO1.0
According to the design team's requirement, on i.MX6UL, the PMIC_STBY_REQ_PAD
should be configured to open drain 100K. The TO1.1 has fixed the issue,
add work around for TO1.0.
Signed-off-by: Ye Li <ye.li@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index d5418ae..b648704 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -389,6 +389,15 @@ int arch_cpu_init(void) if (mxc_get_clock(MXC_ARM_CLK) == 396000000) set_ahb_rate(132000000); + if (is_cpu_type(MXC_CPU_MX6UL) && is_soc_rev(CHIP_REV_1_0)) { + /* + * According to the design team's requirement on i.MX6UL, + * the PMIC_STBY_REQ PAD should be configured as open + * drain 100K (0x0000b8a0). + */ + writel(0x0000b8a0, IOMUXC_BASE_ADDR + 0x29c); + } + /* Set perclk to source from OSC 24MHz */ #if defined(CONFIG_MX6SL) set_preclk_from_osc(); |