Add a dummy cpu type and support get_cpu_rev for i.MX8MN
Signed-off-by: Peng Fan peng.fan@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 c654c44cce..dde39c63dd 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_imx8qm() (is_cpu_type(MXC_CPU_IMX8QM)) #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 60d12e6884..1a36bc54fc 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 f904049120..1909df03ec 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -197,7 +197,9 @@ 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) {