imx: cpu: support speed grade for i.MX8MP
i.MX8MP speed grade use same layout as i.MX8MN, so reuse it for i.MX8MP
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.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 5b979cc..8217913 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -328,7 +328,7 @@
val = readl(&fuse->tester3);
val >>= OCOTP_TESTER3_SPEED_SHIFT;
- if (is_imx8mn()) {
+ if (is_imx8mn() || is_imx8mp()) {
val &= 0xf;
return 2300000000 - val * 100000000;
}