From: Peng Fan <peng....@nxp.com>
Add a dummy cpu type and support get_cpu_rev for i.MX8MN
Signed-off-by: Peng Fan <peng....@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 | 4 +++-
4 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/arch-imx/cpu.h
b/arch/arm/include/asm/arch-imx/cpu.h
index 4296e47b9e..5392c926b0 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -31,6 +31,7 @@
#define MXC_CPU_IMX8MMDL 0x88 /* dummy ID */
#define MXC_CPU_IMX8MMS 0x89 /* dummy ID */
#define MXC_CPU_IMX8MMSL 0x8a /* dummy ID */
+#define MXC_CPU_IMX8MN 0x8b /* 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 d01e71f506..344de1716f 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -51,6 +51,7 @@
#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_imx8qxp() (is_cpu_type(MXC_CPU_IMX8QXP))
#ifdef CONFIG_MX6
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 6dc647b334..9c699e8f50 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -145,6 +145,8 @@ unsigned imx_ddr_size(void)
const char *get_imx_type(u32 imxtype)
{
switch (imxtype) {
+ case MXC_CPU_IMX8MN:
+ return "8MNano";/* Quad-core version of the imx8mn */
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 c4d842f097..a8cb6ca31c 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -200,7 +200,9 @@ u32 get_cpu_rev(void)
reg &= 0xff;
/* i.MX8MM */
- if (major_low == 0x41) {
+ if (major_low == 0x42) {
+ return (MXC_CPU_IMX8MN << 12) | reg;
+ } else if (major_low == 0x41) {
type = get_cpu_variant_type(MXC_CPU_IMX8MM);
} else {
if (reg == CHIP_REV_1_0) {
--
2.16.4
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