From b4ae34b66b2d5447e0422e03bf88dd0fde31dea0 Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Wed, 27 Feb 2019 17:01:11 +0100 Subject: [PATCH] stm32mp1: add runtime information in environment Set board name with the first dts compatible found in DT code under CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG The result with DEVICE_TREE=stm32mp157c-ev1 is: STM32MP> env print board=stm32mp1 board_name=stm32mp157c-ev1 Signed-off-by: Patrick Delaunay --- arch/arm/Kconfig | 1 + board/st/stm32mp1/stm32mp1.c | 24 +++++++++++++++++++----- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7645470..33628b8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1403,6 +1403,7 @@ config ARCH_STM32MP select SYSRESET select SYS_THUMB_BUILD imply CMD_DM + imply ENV_VARS_UBOOT_RUNTIME_CONFIG help Support for STM32MP SoC family developed by STMicroelectronics, MPUs based on ARM cortex A core diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 07d1add..48da459 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -220,11 +220,6 @@ int board_usb_cleanup(int index, enum usb_init_type init) return 0; } -int board_late_init(void) -{ - return 0; -} - /* board dependent setup after realloc */ int board_init(void) { @@ -236,3 +231,22 @@ int board_init(void) return 0; } + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + const void *fdt_compat; + int fdt_compat_len; + + fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible", + &fdt_compat_len); + if (fdt_compat && fdt_compat_len) { + if (strncmp(fdt_compat, "st,", 3) != 0) + env_set("board_name", fdt_compat); + else + env_set("board_name", fdt_compat + 3); + } +#endif + + return 0; +} -- 2.7.4