[PATCH 06/24] imx: imx8m: add i.MX8MN variants support

[Peng Fan]

Add i.MX8MN variants support

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/include/asm/arch-imx/cpu.h       |  5 +++++
 arch/arm/include/asm/mach-imx/sys_proto.h |  9 ++++++++-
 arch/arm/mach-imx/cpu.c                   | 12 +++++++++++-
 arch/arm/mach-imx/imx8m/soc.c             | 19 ++++++++++++++++++-
 4 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index 71f0715dd1..b52565473d 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -35,6 +35,11 @@
 #define MXC_CPU_IMX8MMS		0x89 /* dummy ID */
 #define MXC_CPU_IMX8MMSL	0x8a /* dummy ID */
 #define MXC_CPU_IMX8MN		0x8b /* dummy ID */
+#define MXC_CPU_IMX8MND		0x8c /* dummy ID */
+#define MXC_CPU_IMX8MNS		0x8d /* dummy ID */
+#define MXC_CPU_IMX8MNL		0x8e /* dummy ID */
+#define MXC_CPU_IMX8MNDL		0x8f /* dummy ID */
+#define MXC_CPU_IMX8MNSL		0x181 /* dummy ID */
 #define MXC_CPU_IMX8MP		0x182/* dummy ID */
 #define MXC_CPU_IMX8QXP_A0	0x90 /* dummy ID */
 #define MXC_CPU_IMX8QM		0x91 /* 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 59b145bab1..a02cd40c7d 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -55,7 +55,14 @@
 #define is_imx8mmdl() (is_cpu_type(MXC_CPU_IMX8MMDL))
 #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_imx8mn() (is_cpu_type(MXC_CPU_IMX8MN) || is_cpu_type(MXC_CPU_IMX8MND) || \
+	is_cpu_type(MXC_CPU_IMX8MNS) || is_cpu_type(MXC_CPU_IMX8MNL) || \
+	is_cpu_type(MXC_CPU_IMX8MNDL) || is_cpu_type(MXC_CPU_IMX8MNSL))
+#define is_imx8mnd() (is_cpu_type(MXC_CPU_IMX8MND))
+#define is_imx8mns() (is_cpu_type(MXC_CPU_IMX8MNS))
+#define is_imx8mnl() (is_cpu_type(MXC_CPU_IMX8MNL))
+#define is_imx8mndl() (is_cpu_type(MXC_CPU_IMX8MNDL))
+#define is_imx8mnsl() (is_cpu_type(MXC_CPU_IMX8MNSL))
 #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 e07ca5821a..e83f6934cd 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -95,7 +95,17 @@ const char *get_imx_type(u32 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 */
+		return "8MNano Quad"; /* Quad-core version */
+	case MXC_CPU_IMX8MND:
+		return "8MNano Dual"; /* Dual-core version */
+	case MXC_CPU_IMX8MNS:
+		return "8MNano Solo"; /* Single-core version */
+	case MXC_CPU_IMX8MNL:
+		return "8MNano QuadLite"; /* Quad-core Lite version */
+	case MXC_CPU_IMX8MNDL:
+		return "8MNano DualLite"; /* Dual-core Lite version */
+	case MXC_CPU_IMX8MNSL:
+		return "8MNano SoloLite"; /* Single-core Lite version */
 	case MXC_CPU_IMX8MM:
 		return "8MMQ";	/* Quad-core version of the imx8mm */
 	case MXC_CPU_IMX8MML:
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index c449b8b1ec..871179509c 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -188,6 +188,23 @@ static u32 get_cpu_variant_type(u32 type)
 				return MXC_CPU_IMX8MML;
 			break;
 		}
+	} else if (type == MXC_CPU_IMX8MN) {
+		switch (value & 0x3) {
+		case 2:
+			if (value & 0x1000000)
+				return MXC_CPU_IMX8MNDL;
+			else
+				return MXC_CPU_IMX8MND;
+		case 3:
+			if (value & 0x1000000)
+				return MXC_CPU_IMX8MNSL;
+			else
+				return MXC_CPU_IMX8MNS;
+		default:
+			if (value & 0x1000000)
+				return MXC_CPU_IMX8MNL;
+			break;
+		}
 	}
 
 	return type;
@@ -208,7 +225,7 @@ u32 get_cpu_rev(void)
 		return (MXC_CPU_IMX8MP << 12) | reg;
 	} else if (major_low == 0x42) {
 		/* iMX8MN */
-		return (MXC_CPU_IMX8MN << 12) | reg;
+		type = get_cpu_variant_type(MXC_CPU_IMX8MN);
 	} else if (major_low == 0x41) {
 		type = get_cpu_variant_type(MXC_CPU_IMX8MM);
 	} else {
-- 
2.16.4