diff options
| author | Peng Fan <peng.fan@nxp.com> | 2018-01-10 13:20:30 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-02-04 12:00:58 +0100 |
| commit | e56d9d79e587e945f219e5a98e5ab33680546215 (patch) | |
| tree | 344abe83c740ee6b0bb9ec821766eb48c4cac44b /arch/arm/mach-imx/cpu.c | |
| parent | 423e84bc728b4c73bfbdefacb011be59a83797e0 (diff) | |
imx: cpu: add cpu speed/grade for i.MX8M
Use more general enum types for speed grade.
Refine get_cpu_speed_grade_hz to support i.MX8M.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/mach-imx/cpu.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 52dbafb50c..fd6d08c533 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -333,16 +333,18 @@ void set_chipselect_size(int const cs_size) } #endif -#if defined(CONFIG_MX7) +#if defined(CONFIG_MX7) || defined(CONFIG_MX8M) /* * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440) * defines a 2-bit SPEED_GRADING */ #define OCOTP_TESTER3_SPEED_SHIFT 8 -#define OCOTP_TESTER3_SPEED_800MHZ 0 -#define OCOTP_TESTER3_SPEED_500MHZ 1 -#define OCOTP_TESTER3_SPEED_1GHZ 2 -#define OCOTP_TESTER3_SPEED_1P2GHZ 3 +enum cpu_speed { + OCOTP_TESTER3_SPEED_GRADE0, + OCOTP_TESTER3_SPEED_GRADE1, + OCOTP_TESTER3_SPEED_GRADE2, + OCOTP_TESTER3_SPEED_GRADE3, +}; u32 get_cpu_speed_grade_hz(void) { @@ -357,15 +359,16 @@ u32 get_cpu_speed_grade_hz(void) val &= 0x3; switch(val) { - case OCOTP_TESTER3_SPEED_800MHZ: + case OCOTP_TESTER3_SPEED_GRADE0: return 800000000; - case OCOTP_TESTER3_SPEED_500MHZ: - return 500000000; - case OCOTP_TESTER3_SPEED_1GHZ: - return 1000000000; - case OCOTP_TESTER3_SPEED_1P2GHZ: - return 1200000000; + case OCOTP_TESTER3_SPEED_GRADE1: + return is_mx7() ? 500000000 : 1000000000; + case OCOTP_TESTER3_SPEED_GRADE2: + return is_mx7() ? 1000000000 : 1300000000; + case OCOTP_TESTER3_SPEED_GRADE3: + return is_mx7() ? 1200000000 : 1500000000; } + return 0; } |