[U-Boot] [PATCH 01/19] stm32mp1: add runtime information in environment
Patrick Delaunay
patrick.delaunay at st.com
Wed Feb 27 16:01:11 UTC 2019
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 at st.com>
---
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 9e861c2..ec524f4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1364,6 +1364,7 @@ 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
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