From f3272355cdb938ecff1664924c332b0a60541603 Mon Sep 17 00:00:00 2001 From: Ye Li Date: Tue, 31 Jan 2023 16:42:13 +0800 Subject: [PATCH] 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 Reviewed-by: Peng Fan --- arch/arm/include/asm/arch-imx8ulp/imx-regs.h | 1 + arch/arm/include/asm/arch-imx8ulp/sys_proto.h | 1 + arch/arm/mach-imx/imx8ulp/soc.c | 32 +++++++++++++++++-- board/freescale/imx8ulp_evk/spl.c | 10 ++---- 4 files changed, 34 insertions(+), 10 deletions(-) diff --git a/arch/arm/include/asm/arch-imx8ulp/imx-regs.h b/arch/arm/include/asm/arch-imx8ulp/imx-regs.h index 723bab584c..9a5d76e210 100644 --- a/arch/arm/include/asm/arch-imx8ulp/imx-regs.h +++ b/arch/arm/include/asm/arch-imx8ulp/imx-regs.h @@ -10,6 +10,7 @@ #include #include +#define SRAM0_BASE 0x22010000 #define PBRIDGE0_BASE 0x28000000 #define CMC0_RBASE 0x28025000 diff --git a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h index a7869fbb57..ff49c626d8 100644 --- a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h +++ b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h @@ -15,4 +15,5 @@ void set_lpav_qos(void); void load_lposc_fuse(void); bool m33_image_booted(void); int m33_image_handshake(ulong timeout_ms); +int imx8ulp_dm_post_init(void); #endif diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index 3498cf9c88..9b12d3d1ad 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) diff --git a/board/freescale/imx8ulp_evk/spl.c b/board/freescale/imx8ulp_evk/spl.c index e672f6ee6c..2a96bd07dc 100644 --- a/board/freescale/imx8ulp_evk/spl.c +++ b/board/freescale/imx8ulp_evk/spl.c @@ -77,16 +77,12 @@ void display_ele_fw_version(void) void spl_board_init(void) { - struct udevice *dev; u32 res; int ret; - uclass_find_first_device(UCLASS_MISC, &dev); - - for (; dev; uclass_find_next_device(&dev)) { - if (device_probe(dev)) - continue; - } + ret = imx8ulp_dm_post_init(); + if (ret) + return; board_early_init_f(); -- 2.39.5