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-rw-r--r--include/configs/zynq-common.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 0a0517ceecb..d8e3fa4e5a4 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -203,6 +203,9 @@
# define CONFIG_ENV_OFFSET 0xE0000
#endif
+/* enable preboot to be loaded before CONFIG_BOOTDELAY */
+#define CONFIG_PREBOOT
+
/* Default environment */
#ifndef CONFIG_EXTRA_ENV_SETTINGS
#define CONFIG_EXTRA_ENV_SETTINGS \
@@ -213,6 +216,29 @@
"nor_flash_off=0xE2100000\0" \
"fdt_high=0x20000000\0" \
"initrd_high=0x20000000\0" \
+ "loadbootenv_addr=0x2000000\0" \
+ "bootenv=uEnv.txt\0" \
+ "bootenv_dev=mmc\0" \
+ "loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
+ "importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
+ "env import -t ${loadbootenv_addr} $filesize\0" \
+ "bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
+ "setbootenv=if env run bootenv_existence_test; then " \
+ "if env run loadbootenv; then " \
+ "env run importbootenv; " \
+ "fi; " \
+ "fi; \0" \
+ "sd_loadbootenv=set bootenv_dev mmc && " \
+ "run setbootenv \0" \
+ "usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv \0" \
+ "preboot=if test $modeboot = sdboot; then " \
+ "run sd_loadbootenv; " \
+ "echo Checking if uenvcmd is set ...; " \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...; " \
+ "run uenvcmd; " \
+ "fi; " \
+ "fi; \0" \
"norboot=echo Copying FIT from NOR flash to RAM... && " \
"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
"bootm ${load_addr}\0" \