Merge git://git.denx.de/u-boot-imx

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mmc_env.c b/arch/arm/mach-imx/mmc_env.c
new file mode 100644
index 00000000000..ccadd2c1e0d
--- /dev/null
+++ b/arch/arm/mach-imx/mmc_env.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <asm/mach-imx/boot_mode.h>
+
+__weak int board_mmc_get_env_dev(int devno)
+{
+	return CONFIG_SYS_MMC_ENV_DEV;
+}
+
+int mmc_get_env_dev(void)
+{
+	struct bootrom_sw_info **p =
+		(struct bootrom_sw_info **)(ulong)ROM_SW_INFO_ADDR;
+	int devno = (*p)->boot_dev_instance;
+	u8 boot_type = (*p)->boot_dev_type;
+
+	/* If not boot from sd/mmc, use default value */
+	if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC))
+		return CONFIG_SYS_MMC_ENV_DEV;
+
+	return board_mmc_get_env_dev(devno);
+}