diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/st/stm32mp1/stm32mp1.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 279c7b7797..fdc4af3b64 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -539,6 +539,10 @@ int board_late_init(void) #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG const void *fdt_compat; int fdt_compat_len; + int ret; + u32 otp; + struct udevice *dev; + char buf[10]; fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible", &fdt_compat_len); @@ -548,6 +552,21 @@ int board_late_init(void) else env_set("board_name", fdt_compat + 3); } + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stm32mp_bsec), + &dev); + + if (!ret) + ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD), + &otp, sizeof(otp)); + if (!ret && otp) { + snprintf(buf, sizeof(buf), "0x%04x", otp >> 16); + env_set("board_id", buf); + + snprintf(buf, sizeof(buf), "0x%04x", + ((otp >> 8) & 0xF) - 1 + 0xA); + env_set("board_rev", buf); + } #endif /* for DK1/DK2 boards */ |