diff options
| author | Peng Fan <van.freenix@gmail.com> | 2016-05-03 11:13:04 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-05-18 09:47:41 +0200 |
| commit | d15a244b059e361475302bccd471e65a48ee2b1f (patch) | |
| tree | 37bb8ad2c3c2d5a3c429f196cd61d42576380d1d /arch/arm/cpu | |
| parent | 291000894ed4d6257830baba547764b86e335b5c (diff) | |
imx: correct speed grading info for i.MX6UL
Correct speed grading info for i.MX6UL
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index d4b22ad7f3..aaa1adb446 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -108,6 +108,12 @@ u32 get_cpu_rev(void) #define OCOTP_CFG3_SPEED_1GHZ 2 #define OCOTP_CFG3_SPEED_1P2GHZ 3 +/* + * For i.MX6UL + */ +#define OCOTP_CFG3_SPEED_528MHZ 1 +#define OCOTP_CFG3_SPEED_696MHZ 2 + u32 get_cpu_speed_grade_hz(void) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; @@ -120,6 +126,15 @@ u32 get_cpu_speed_grade_hz(void) val >>= OCOTP_CFG3_SPEED_SHIFT; val &= 0x3; + if (is_cpu_type(MXC_CPU_MX6UL)) { + if (val == OCOTP_CFG3_SPEED_528MHZ) + return 528000000; + else if (val == OCOTP_CFG3_SPEED_696MHZ) + return 69600000; + else + return 0; + } + switch (val) { /* Valid for IMX6DQ */ case OCOTP_CFG3_SPEED_1P2GHZ: |