Hi Peng,
On Wed, Apr 22, 2020 at 10:30 AM Peng Fan peng.fan@nxp.com wrote:
From: Ye Li ye.li@nxp.com
According to iMX8MM datasheet (IMX8MMIEC_Rev_D and IMX8MMCEC_Rev_D), the speed grading for imx8mm is 800Mhz, 1.2Ghz, 1.6Ghz and 1.8Ghz. Update them to get_cpu_speed_grade_hz function.
Signed-off-by: Ye Li ye.li@nxp.com Reviewed-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/cpu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index bfa85c64c6..55e3539cff 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -332,11 +332,11 @@ u32 get_cpu_speed_grade_hz(void) case OCOTP_TESTER3_SPEED_GRADE0: return 800000000; case OCOTP_TESTER3_SPEED_GRADE1:
return is_mx7() ? 500000000 : 1000000000;
return (is_mx7() ? 500000000 : (is_imx8mq() ? 1000000000 : 1200000000)); case OCOTP_TESTER3_SPEED_GRADE2:
return is_mx7() ? 1000000000 : 1300000000;
return (is_mx7() ? 1000000000 : (is_imx8mq() ? 1300000000 : 1600000000)); case OCOTP_TESTER3_SPEED_GRADE3:
return is_mx7() ? 1200000000 : 1500000000;
return (is_mx7() ? 1200000000 : (is_imx8mq() ? 1500000000 : 1800000000));
With new chips being introduced this approach seems to not scale well.
This code is getting hard to follow.