diff options
Diffstat (limited to 'arch/arm/mach-imx/cpu.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 55e3539cffc..5b979cc1f58 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -314,6 +314,7 @@ enum cpu_speed { OCOTP_TESTER3_SPEED_GRADE1, OCOTP_TESTER3_SPEED_GRADE2, OCOTP_TESTER3_SPEED_GRADE3, + OCOTP_TESTER3_SPEED_GRADE4, }; u32 get_cpu_speed_grade_hz(void) @@ -326,7 +327,16 @@ u32 get_cpu_speed_grade_hz(void) val = readl(&fuse->tester3); val >>= OCOTP_TESTER3_SPEED_SHIFT; - val &= 0x3; + + if (is_imx8mn()) { + val &= 0xf; + return 2300000000 - val * 100000000; + } + + if (is_imx8mm()) + val &= 0x7; + else + val &= 0x3; switch(val) { case OCOTP_TESTER3_SPEED_GRADE0: @@ -337,6 +347,8 @@ u32 get_cpu_speed_grade_hz(void) return (is_mx7() ? 1000000000 : (is_imx8mq() ? 1300000000 : 1600000000)); case OCOTP_TESTER3_SPEED_GRADE3: return (is_mx7() ? 1200000000 : (is_imx8mq() ? 1500000000 : 1800000000)); + case OCOTP_TESTER3_SPEED_GRADE4: + return 2000000000; } return 0; |