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-rw-r--r--include/configs/mx6qsabreauto.h5
-rw-r--r--include/configs/mx6sabre_common.h21
-rw-r--r--include/configs/mx6sabresd.h5
3 files changed, 19 insertions, 12 deletions
diff --git a/include/configs/mx6qsabreauto.h b/include/configs/mx6qsabreauto.h
index 22603442d7..11cf538b0a 100644
--- a/include/configs/mx6qsabreauto.h
+++ b/include/configs/mx6qsabreauto.h
@@ -12,11 +12,6 @@
#define CONFIG_MACH_TYPE 3529
#define CONFIG_MXC_UART_BASE UART4_BASE
#define CONFIG_CONSOLE_DEV "ttymxc3"
-#if defined CONFIG_MX6Q
-#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabreauto.dtb"
-#elif defined CONFIG_MX6DL
-#define CONFIG_DEFAULT_FDT_FILE "imx6dl-sabreauto.dtb"
-#endif
#define CONFIG_MMCROOT "/dev/mmcblk0p2"
#define PHYS_SDRAM_SIZE (2u * 1024 * 1024 * 1024)
diff --git a/include/configs/mx6sabre_common.h b/include/configs/mx6sabre_common.h
index e42dfc9045..903ab1860e 100644
--- a/include/configs/mx6sabre_common.h
+++ b/include/configs/mx6sabre_common.h
@@ -70,10 +70,12 @@
#define EMMC_ENV ""
#endif
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=zImage\0" \
- "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "fdt_file=undefined\0" \
"fdt_addr=0x18000000\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
@@ -143,9 +145,24 @@
"fi; " \
"else " \
"bootz; " \
- "fi;\0"
+ "fi;\0" \
+ "findfdt="\
+ "if test $fdt_file = undefined; then " \
+ "if test $board_name = SABREAUTO && test $board_rev = MX6Q; then " \
+ "setenv fdt_file imx6q-sabreauto.dtb; fi; " \
+ "if test $board_name = SABREAUTO && test $board_rev = MX6DL; then " \
+ "setenv fdt_file imx6dl-sabreauto.dtb; fi; " \
+ "if test $board_name = SABRESD && test $board_rev = MX6Q; then " \
+ "setenv fdt_file imx6q-sabresd.dtb; fi; " \
+ "if test $board_name = SABRESD && test $board_rev = MX6DL; then " \
+ "setenv fdt_file imx6dl-sabresd.dtb; fi; " \
+ "if test $fdt_file = undefined; then " \
+ "echo WARNING: Could not determine dtb to use; fi; " \
+ "fi;\0" \
+
#define CONFIG_BOOTCOMMAND \
+ "run findfdt;" \
"mmc dev ${mmcdev};" \
"if mmc rescan; then " \
"if run loadbootscript; then " \
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 41162ca202..5f635ca6c5 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -19,11 +19,6 @@
#define CONFIG_MXC_UART_BASE UART1_BASE
#define CONFIG_CONSOLE_DEV "ttymxc0"
#define CONFIG_MMCROOT "/dev/mmcblk1p2"
-#if defined(CONFIG_MX6Q)
-#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabresd.dtb"
-#elif defined(CONFIG_MX6DL)
-#define CONFIG_DEFAULT_FDT_FILE "imx6dl-sabresd.dtb"
-#endif
#define PHYS_SDRAM_SIZE (1u * 1024 * 1024 * 1024)
#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */