diff options
Diffstat (limited to 'arch/arm/mach-imx/imx9/soc.c')
| -rw-r--r-- | arch/arm/mach-imx/imx9/soc.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c index ca312ff455..439f899bc4 100644 --- a/arch/arm/mach-imx/imx9/soc.c +++ b/arch/arm/mach-imx/imx9/soc.c @@ -159,11 +159,34 @@ static void set_cpu_info(struct sentinel_get_info_data *info) memcpy((void *)&gd->arch.uid, &info->uid, 4 * sizeof(u32)); } +static u32 get_cpu_variant_type(u32 type) +{ + /* word 19 */ + u32 val = readl((ulong)FSB_BASE_ADDR + 0x8000 + (19 << 2)); + u32 val2 = readl((ulong)FSB_BASE_ADDR + 0x8000 + (20 << 2)); + bool npu_disable = !!(val & BIT(13)); + bool core1_disable = !!(val & BIT(15)); + u32 pack_9x9_fused = BIT(4) | BIT(17) | BIT(19) | BIT(24); + + if ((val2 & pack_9x9_fused) == pack_9x9_fused) + type = MXC_CPU_IMX9322; + + if (npu_disable && core1_disable) + return type + 3; + else if (npu_disable) + return type + 2; + else if (core1_disable) + return type + 1; + + return type; +} + u32 get_cpu_rev(void) { u32 rev = (gd->arch.soc_rev >> 24) - 0xa0; - return (MXC_CPU_IMX93 << 12) | (CHIP_REV_1_0 + rev); + return (get_cpu_variant_type(MXC_CPU_IMX93) << 12) | + (CHIP_REV_1_0 + rev); } #define UNLOCK_WORD 0xD928C520 /* unlock word */ |