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stm32mp1: add runtime information in environment

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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 <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay
2019-02-27 17:01:11 +01:00
parent d461f10036
commit b4ae34b66b
2 changed files with 20 additions and 5 deletions
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1
arch/arm/Kconfig
View File

@@ -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

24
board/st/stm32mp1/stm32mp1.c
View File

@@ -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;
}