diff options
| author | Ye Li <ye.li@nxp.com> | 2023-01-31 16:42:13 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2023-03-29 20:15:41 +0200 |
| commit | f3272355cdb938ecff1664924c332b0a60541603 (patch) | |
| tree | bf4738e9e43cf280e0965948e42d31f6a600c43f /arch/arm/mach-imx/imx8ulp/soc.c | |
| parent | 9d89dcfcb1e4daaac095d350f2e7a56fce87a4ab (diff) | |
imx: imx8ulp: Get chip revision from Sentinel
In both SPL and u-boot, after probing the S400 MU, get the chip revision,
lifecycle and UID from Sentinel.
Update get_cpu_rev to use the chip revision not hard coded it for A0
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm/mach-imx/imx8ulp/soc.c')
| -rw-r--r-- | arch/arm/mach-imx/imx8ulp/soc.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index 3498cf9c88a..9b12d3d1ad2 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -70,9 +70,18 @@ int mmc_get_env_dev(void) } #endif +static void set_cpu_info(struct sentinel_get_info_data *info) +{ + gd->arch.soc_rev = info->soc; + gd->arch.lifecycle = info->lc; + memcpy((void *)&gd->arch.uid, &info->uid, 4 * sizeof(u32)); +} + u32 get_cpu_rev(void) { - return (MXC_CPU_IMX8ULP << 12) | CHIP_REV_1_0; + u32 rev = (gd->arch.soc_rev >> 24) - 0xa0; + + return (MXC_CPU_IMX8ULP << 12) | (CHIP_REV_1_0 + rev); } enum bt_mode get_boot_mode(void) @@ -670,10 +679,12 @@ int arch_cpu_init(void) return 0; } -static int imx8ulp_check_mu(void *ctx, struct event *event) +int imx8ulp_dm_post_init(void) { struct udevice *devp; int ret; + u32 res; + struct sentinel_get_info_data *info = (struct sentinel_get_info_data *)SRAM0_BASE; ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(imx8ulp_mu), &devp); if (ret) { @@ -681,9 +692,24 @@ static int imx8ulp_check_mu(void *ctx, struct event *event) return ret; } + ret = ahab_get_info(info, &res); + if (ret) { + printf("ahab_get_info failed %d\n", ret); + /* fallback to A0.1 revision */ + memset((void *)info, 0, sizeof(struct sentinel_get_info_data)); + info->soc = 0xa000084d; + } + + set_cpu_info(info); + return 0; } -EVENT_SPY(EVT_DM_POST_INIT, imx8ulp_check_mu); + +static int imx8ulp_evt_dm_post_init(void *ctx, struct event *event) +{ + return imx8ulp_dm_post_init(); +} +EVENT_SPY(EVT_DM_POST_INIT, imx8ulp_evt_dm_post_init); #if defined(CONFIG_SPL_BUILD) __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) |