[PATCH 01/22] imx: get cpu id/type of i.MX8MP

[Peng Fan]

Support get i.MX8MP cpu id and cpu type

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/include/asm/arch-imx/cpu.h       | 1 +
 arch/arm/include/asm/mach-imx/sys_proto.h | 1 +
 arch/arm/mach-imx/cpu.c                   | 2 ++
 arch/arm/mach-imx/imx8m/soc.c             | 7 +++++--
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index b0f4dd089f..5ade63665a 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -33,6 +33,7 @@
 #define MXC_CPU_IMX8MMS		0x89 /* dummy ID */
 #define MXC_CPU_IMX8MMSL	0x8a /* dummy ID */
 #define MXC_CPU_IMX8MN		0x8b /* dummy ID */
+#define MXC_CPU_IMX8MP		0x182/* dummy ID */
 #define MXC_CPU_IMX8QXP_A0	0x90 /* dummy ID */
 #define MXC_CPU_IMX8QM		0x91 /* dummy ID */
 #define MXC_CPU_IMX8QXP		0x92 /* dummy ID */
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index c9b509e6a7..48fdfe91b1 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -54,6 +54,7 @@
 #define is_imx8mms() (is_cpu_type(MXC_CPU_IMX8MMS))
 #define is_imx8mmsl() (is_cpu_type(MXC_CPU_IMX8MMSL))
 #define is_imx8mn() (is_cpu_type(MXC_CPU_IMX8MN))
+#define is_imx8mp() (is_cpu_type(MXC_CPU_IMX8MP))
 
 #define is_imx8qxp() (is_cpu_type(MXC_CPU_IMX8QXP))
 
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 51c7c05f04..303f5bb4d6 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -92,6 +92,8 @@ static char *get_reset_cause(void)
 const char *get_imx_type(u32 imxtype)
 {
 	switch (imxtype) {
+	case MXC_CPU_IMX8MP:
+		return "8MP";	/* Quad-core version of the imx8mp */
 	case MXC_CPU_IMX8MN:
 		return "8MNano";/* Quad-core version of the imx8mn */
 	case MXC_CPU_IMX8MM:
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 5ce5a180e8..9a039ce127 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -197,8 +197,11 @@ u32 get_cpu_rev(void)
 
 	reg &= 0xff;
 
-	/* i.MX8MM */
-	if (major_low == 0x42) {
+	/* iMX8MP */
+	if (major_low == 0x43) {
+		return (MXC_CPU_IMX8MP << 12) | reg;
+	} else if (major_low == 0x42) {
+		/* iMX8MN */
 		return (MXC_CPU_IMX8MN << 12) | reg;
 	} else if (major_low == 0x41) {
 		type = get_cpu_variant_type(MXC_CPU_IMX8MM);
-- 
2.16.4