imx: kontron-sl-mx8mm: Prepare for other i.MX8MM SoM types

This sets an env variable 'som_type' from the board code. It can
later be used by environment scripts, e. g. to select the proper
devicetree for the board.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/board/kontron/sl-mx8mm/sl-mx8mm.c b/board/kontron/sl-mx8mm/sl-mx8mm.c
index 416c4cb..6e73ede 100644 (file)
--- a/board/kontron/sl-mx8mm/sl-mx8mm.c
+++ b/board/kontron/sl-mx8mm/sl-mx8mm.c
@@ -121,6 +121,12 @@ int board_init(void)
        return 0;
 }
 
+int board_late_init(void)
+{
+       env_set("som_type", "sl");
+       return 0;
+}
+
 enum env_location env_get_location(enum env_operation op, int prio)
 {
        enum boot_device boot_dev = get_boot_device();

diff --git a/configs/kontron-sl-mx8mm_defconfig b/configs/kontron-sl-mx8mm_defconfig
index fe29866..f273f22 100644 (file)
--- a/configs/kontron-sl-mx8mm_defconfig
+++ b/configs/kontron-sl-mx8mm_defconfig
@@ -31,6 +31,7 @@ CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_BOARD_TYPES=y
+CONFIG_BOARD_LATE_INIT=y
 CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
 CONFIG_SPL_BSS_START_ADDR=0x910000
 CONFIG_SPL_BSS_MAX_SIZE=0x2000