arm: am64x: Add support for selecting DT based on EEPROM
Enable support for selecting DTB within SPL based on EEPROM.
This will help to use single defconfig for both EVM and SK
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c
index 2a38b84..885f181 100644
--- a/arch/arm/mach-k3/am642_init.c
+++ b/arch/arm/mach-k3/am642_init.c
@@ -20,6 +20,7 @@
#include <dm/uclass-internal.h>
#include <dm/pinctrl.h>
#include <mmc.h>
+#include <dm/root.h>
#if defined(CONFIG_SPL_BUILD)
@@ -82,6 +83,29 @@
void k3_mmc_restart_clock(void) {}
#endif
+#ifdef CONFIG_SPL_OF_LIST
+void do_dt_magic(void)
+{
+ int ret, rescan;
+
+ if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT))
+ do_board_detect();
+
+ /*
+ * Board detection has been done.
+ * Let us see if another dtb wouldn't be a better match
+ * for our board
+ */
+ if (IS_ENABLED(CONFIG_CPU_V7R)) {
+ ret = fdtdec_resetup(&rescan);
+ if (!ret && rescan) {
+ dm_uninit();
+ dm_init_and_scan(true);
+ }
+ }
+}
+#endif
+
void board_init_f(ulong dummy)
{
#if defined(CONFIG_K3_LOAD_SYSFW)
@@ -106,6 +130,8 @@
preloader_console_init();
+ do_dt_magic();
+
#if defined(CONFIG_K3_LOAD_SYSFW)
/*
* Process pinctrl for serial3 a.k.a. MAIN UART1 module and continue