arm: zynq: Make ENV_SIZE and ENV_OFFSET optional via board file

Boards have an option to rewrite variable locations in their own board
files. This is necessary for qspi and nand configurations where boot
image can be bigger then 896k(current limit).

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index ae82a7aa96ac2d6261836335acec5400efce421a..baad8db62f90b2fcce0310a0d4ab58082aca982a 100644 (file)
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -127,7 +127,9 @@
 #endif
 
 /* Total Size of Environment Sector */
-#define CONFIG_ENV_SIZE                        (128 << 10)
+#ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE                       (128 << 10)
+#endif
 
 /* Allow to overwrite serial and ethaddr */
 #define CONFIG_ENV_OVERWRITE
@@ -135,7 +137,9 @@
 /* Environment */
 #ifndef CONFIG_ENV_IS_NOWHERE
 # define CONFIG_ENV_SECT_SIZE          CONFIG_ENV_SIZE
-# define CONFIG_ENV_OFFSET             0xE0000
+# ifndef CONFIG_ENV_OFFSET
+#  define CONFIG_ENV_OFFSET            0xE0000
+# endif
 #endif
 
 /* enable preboot to be loaded before CONFIG_BOOTDELAY */