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imx: Fix market segment fuse offset on iMX8MP

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iMX8MP has shifted market segment fuse one bit from 0x440 [7:6] to [6:5],
correct it in imx common codes.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2020-03-09 23:11:54 -07:00 committed by Stefano Babic
parent 42a49754e2
commit 79e0217a8e
1 changed files with 7 additions and 1 deletions
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8
arch/arm/mach-imx/cpu.c
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@ -385,6 +385,9 @@ u32 get_cpu_speed_grade_hz(void)
*/
#define OCOTP_TESTER3_TEMP_SHIFT 6
/* iMX8MP uses OCOTP_TESTER3[6:5] for Market segment */
#define IMX8MP_OCOTP_TESTER3_TEMP_SHIFT 5
u32 get_cpu_temp_grade(int *minc, int *maxc)
{
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
@ -394,7 +397,10 @@ u32 get_cpu_temp_grade(int *minc, int *maxc)
uint32_t val;
val = readl(&fuse->tester3);
val >>= OCOTP_TESTER3_TEMP_SHIFT;
if (is_imx8mp())
val >>= IMX8MP_OCOTP_TESTER3_TEMP_SHIFT;
else
val >>= OCOTP_TESTER3_TEMP_SHIFT;
val &= 0x3;
if (minc && maxc) {