imx: Fix market segment fuse offset on iMX8MP

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>

diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index a4d8f10..425d0f0 100644 (file)
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -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) {