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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>
This commit is contained in:
Peng Fan 2019-12-27 10:14:02 +08:00 committed by Stefano Babic
parent 392a4e6dd3
commit 625b03d810
4 changed files with 9 additions and 2 deletions
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1
arch/arm/include/asm/arch-imx/cpu.h
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@ -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
arch/arm/include/asm/mach-imx/sys_proto.h
View File

@ -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
arch/arm/mach-imx/cpu.c
View File

@ -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:

7
arch/arm/mach-imx/imx8m/soc.c
View File

@ -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);