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-rw-r--r--include/configs/sbc8548.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index d10792a..aeac2de 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -330,7 +330,14 @@
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
-#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
+/*
+ * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
+ * one for env+bootpg (TEXT_BASE=0xfffa_0000, 384kB total). For SODIMM
+ * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
+ * (TEXT_BASE=0xfff0_0000, 1MB total). This dynamically sets the right
+ * thing for MONITOR_LEN in both cases.
+ */
+#define CONFIG_SYS_MONITOR_LEN (~TEXT_BASE + 1)
#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserved for malloc */
/* Serial Port */
@@ -448,9 +455,16 @@
* Environment
*/
#define CONFIG_ENV_IS_IN_FLASH 1
-#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x40000)
-#define CONFIG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
#define CONFIG_ENV_SIZE 0x2000
+#if TEXT_BASE == 0xfff00000 /* Boot from 64MB SODIMM */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x80000)
+#define CONFIG_ENV_SECT_SIZE 0x80000 /* 512K(one sector) for env */
+#elif TEXT_BASE == 0xfffa0000 /* Boot from 8MB soldered flash */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x40000)
+#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K(one sector) for env */
+#else
+#warning undefined environment size/location.
+#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */