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-rw-r--r--board/ti/j721s2/evm.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/board/ti/j721s2/evm.c b/board/ti/j721s2/evm.c
index 9b159e3d5c6..c86715fa211 100644
--- a/board/ti/j721s2/evm.c
+++ b/board/ti/j721s2/evm.c
@@ -23,6 +23,7 @@
#include <asm/arch/sys_proto.h>
#include <dm.h>
#include <dm/uclass-internal.h>
+#include <dm/root.h>
#include "../common/board_detect.h"
@@ -207,3 +208,66 @@ int board_late_init(void)
void spl_board_init(void)
{
}
+
+/* Support for the various EVM / SK families */
+#if defined(CONFIG_SPL_OF_LIST) && defined(CONFIG_TI_I2C_BOARD_DETECT)
+void do_dt_magic(void)
+{
+ int ret, rescan, mmc_dev = -1;
+ static struct mmc *mmc;
+
+ 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);
+ }
+ }
+
+ /*
+ * Because of multi DTB configuration, the MMC device has
+ * to be re-initialized after reconfiguring FDT inorder to
+ * boot from MMC. Do this when boot mode is MMC and ROM has
+ * not loaded SYSFW.
+ */
+ switch (spl_boot_device()) {
+ case BOOT_DEVICE_MMC1:
+ mmc_dev = 0;
+ break;
+ case BOOT_DEVICE_MMC2:
+ case BOOT_DEVICE_MMC2_2:
+ mmc_dev = 1;
+ break;
+ }
+
+ if (mmc_dev > 0 && !check_rom_loaded_sysfw()) {
+ ret = mmc_init_device(mmc_dev);
+ if (!ret) {
+ mmc = find_mmc_device(mmc_dev);
+ if (mmc) {
+ ret = mmc_init(mmc);
+ if (ret)
+ printf("mmc init failed with error: %d\n", ret);
+ }
+ }
+ }
+}
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong dummy)
+{
+ k3_spl_init();
+#if defined(CONFIG_SPL_OF_LIST) && defined(CONFIG_TI_I2C_BOARD_DETECT)
+ do_dt_magic();
+#endif
+ k3_mem_init();
+}
+#endif