imx: mx7: move mmc env code to mmc_env.c
The mx7 mmc env code is shared by i.MX8M, so move it to mmc_env.c.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/mach-imx/mmc_env.c b/arch/arm/mach-imx/mmc_env.c
new file mode 100644
index 0000000..ccadd2c
--- /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);
+}