diff options
| author | Ryan QIAN <b32804@freescale.com> | 2011-11-02 10:22:16 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2012-09-05 14:57:54 -0400 |
| commit | ddd2d486981036e27835ad43e278da1d33c2a5e5 (patch) | |
| tree | 06956ee46b1536de7dc1a74c0aef75937ab19101 /cpu | |
| parent | 00d99b0a8eb03ae2e39d4ac5c7da83c09bc20549 (diff) | |
ENGR00139215 iMX61 Uboot support blow fuse
1. add force option to blow operation
2. add blown value check
3. add simple validation for zeros returned by 'simple_strtoul' call
Signed-off-by: Ryan QIAN <b32804@freescale.com>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/arm_cortexa8/mx6/generic.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/cpu/arm_cortexa8/mx6/generic.c b/cpu/arm_cortexa8/mx6/generic.c index f959b9598a0..11fac50f2c3 100644 --- a/cpu/arm_cortexa8/mx6/generic.c +++ b/cpu/arm_cortexa8/mx6/generic.c @@ -770,3 +770,27 @@ void ipu_clk_enable(void) void ipu_clk_disable(void) { } + +int otp_clk_enable(void) +{ + u32 reg = 0; + + reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR2); + if (!(reg & 0x3000)) + reg |= 0x3000; + writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR2); + return 0; +} + +int otp_clk_disable(void) +{ + u32 reg = 0; + + reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR2); + if ((reg & 0x3000) == 0x3000) + reg &= ~(0x3000); + writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR2); + return 0; +} + + |