diff options
| -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 ee832a3..086904e 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -112,6 +112,12 @@ 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; @@ -124,6 +130,15 @@ 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: |