ARM64: zynqmp: Add support to save env to FAT
Add support to save environment as a file of FAT filesystem
on to SD card. The file will be saved with name uEnv.txt.
This environment will be retrieved during boot.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
index 61cd147..e0343a3 100644
--- a/include/configs/xilinx_zynqmp.h
+++ b/include/configs/xilinx_zynqmp.h
@@ -86,6 +86,10 @@
# ifndef CONFIG_ZYNQ_SDHCI_MAX_FREQ
# define CONFIG_ZYNQ_SDHCI_MAX_FREQ 200000000
# endif
+# define CONFIG_ENV_IS_IN_FAT
+# define FAT_ENV_DEVICE_AND_PART "0:auto"
+# define FAT_ENV_FILE "uboot.env"
+# define FAT_ENV_INTERFACE "mmc"
#endif
#if defined(CONFIG_ZYNQ_SDHCI) || defined(CONFIG_ZYNQMP_USB)
@@ -132,7 +136,9 @@
#define CONFIG_BOARD_LATE_INIT
/* Do not preserve environment */
+#if !defined(CONFIG_ENV_IS_IN_FAT)
#define CONFIG_ENV_IS_NOWHERE 1
+#endif
#define CONFIG_ENV_SIZE 0x8000
/* Monitor Command Prompt */