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imx: get cpu id/type of i.MX8MP

Support get i.MX8MP cpu id and cpu type

Signed-off-by: Peng Fan <peng.fan@nxp.com>
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625b03d810

+ 1 - 0
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 */

+ 1 - 0
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))
 

+ 2 - 0
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:

+ 5 - 2
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);