On 6/16/23 17:21, Detlev Casanova wrote:
This function uses the sysinfo command to determine which linux device
tree is selected for the running board.
Signed-off-by: Detlev Casanova <detlev.casan...@collabora.com>
---
configs/rcar3_ulcb_defconfig | 1 +
include/configs/rcar-gen3-common.h | 9 ++++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/configs/rcar3_ulcb_defconfig b/configs/rcar3_ulcb_defconfig
index b8fdb5e3826..bb5f8f742ea 100644
--- a/configs/rcar3_ulcb_defconfig
+++ b/configs/rcar3_ulcb_defconfig
@@ -47,6 +47,7 @@ CONFIG_CMD_EXT4=y
CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_SYSINFO=y
CONFIG_OF_CONTROL=y
CONFIG_OF_LIST="r8a77950-ulcb-u-boot r8a77960-ulcb-u-boot
r8a77965-ulcb-u-boot"
CONFIG_MULTI_DTB_FIT_LZO=y
diff --git a/include/configs/rcar-gen3-common.h
b/include/configs/rcar-gen3-common.h
index 213caa75238..b278eb85a81 100644
--- a/include/configs/rcar-gen3-common.h
+++ b/include/configs/rcar-gen3-common.h
@@ -33,6 +33,13 @@
/* ENV setting */
#define CFG_EXTRA_ENV_SETTINGS \
- "bootm_size=0x10000000\0"
+ "bootm_size=0x10000000\0" \
+ "set_board_fdt=sysinfo revision board_rev; " \
+ "sysinfo id board_id; " \
+ "if test ${board_rev} = 2.1 && test ${board_id} = 0x0b; then " \
+ "setenv fdtfile renesas/r8a779m1-ulcb.dtb; " \
+ "elif test ${board_rev} = 2.0 && test ${board_id} = 0x0b; then "\
+ "setenv fdtfile renesas/r8a77951-ulcb.dtb; " \
+ "fi\0" \
You must also consider M3W and M3N ULCB, i.e. 77960/77965 ones.
You must also consider all the other boards which use this header file,
salvator-xs comes to mind. That one also comes with M3W/M3N SoC. Also,
all the other Gen3 boards use this header, E3 Ebise, V3* Condor/Eagle ...