diff options
Diffstat (limited to 'arch/arm/mach-imx/imxrt/soc.c')
| -rw-r--r-- | arch/arm/mach-imx/imxrt/soc.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/imxrt/soc.c b/arch/arm/mach-imx/imxrt/soc.c index 8e7d15160da..ba015992ee5 100644 --- a/arch/arm/mach-imx/imxrt/soc.c +++ b/arch/arm/mach-imx/imxrt/soc.c @@ -8,13 +8,14 @@ #include <init.h> #include <asm/io.h> #include <asm/armv7_mpu.h> +#include <asm/mach-imx/sys_proto.h> #include <linux/bitops.h> int arch_cpu_init(void) { int i; - struct mpu_region_config imxrt1050_region_config[] = { + struct mpu_region_config imxrt_region_config[] = { { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, STRONG_ORDER, REGION_4GB }, { PHYS_SDRAM, REGION_1, XN_DIS, PRIV_RW_USR_RW, @@ -29,9 +30,20 @@ int arch_cpu_init(void) * the whole 4GB address space. */ disable_mpu(); - for (i = 0; i < ARRAY_SIZE(imxrt1050_region_config); i++) - mpu_config(&imxrt1050_region_config[i]); + for (i = 0; i < ARRAY_SIZE(imxrt_region_config); i++) + mpu_config(&imxrt_region_config[i]); enable_mpu(); return 0; } + +u32 get_cpu_rev(void) +{ +#if defined(CONFIG_IMXRT1020) + return MXC_CPU_IMXRT1020 << 12; +#elif defined(CONFIG_IMXRT1050) + return MXC_CPU_IMXRT1050 << 12; +#else +#error This IMXRT SoC is not supported +#endif +} |