Blackfin: set more sane default board config values

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

include/asm-blackfin/blackfin-config-post.h

 /*
  * blackfin-config-post.h - setup common defines for Blackfin boards based on config.h
  *
- * Copyright (c) 2007 Analog Devices Inc.
+ * Copyright (c) 2007-2008 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -9,11 +9,6 @@
 #ifndef __ASM_BLACKFIN_CONFIG_POST_H__
 #define __ASM_BLACKFIN_CONFIG_POST_H__
 
-/* Check to make sure everything fits in external RAM */
-#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
-# error Memory Map does not fit into configuration
-#endif
-
 /* Sanity check CONFIG_BFIN_CPU */
 #ifndef CONFIG_BFIN_CPU
 # error CONFIG_BFIN_CPU: your board config needs to define this
@@ -72,4 +67,74 @@
 # define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
 #endif
 
+/* Default/common Blackfin memory layout */
+#ifndef CONFIG_SYS_SDRAM_BASE
+# define CONFIG_SYS_SDRAM_BASE 0
+#endif
+#ifndef CONFIG_SYS_MAX_RAM_SIZE
+# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
+#endif
+#ifndef CONFIG_SYS_MONITOR_BASE
+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
+#endif
+#ifndef CONFIG_SYS_MALLOC_BASE
+# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_SIZE
+# define CONFIG_SYS_GBL_DATA_SIZE (128)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_ADDR
+# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
+#endif
+#ifndef CONFIG_STACKBASE
+# define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
+#endif
+#ifndef CONFIG_SYS_MEMTEST_START
+# define CONFIG_SYS_MEMTEST_START 0
+#endif
+#ifndef CONFIG_SYS_MEMTEST_END
+# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
+#endif
+
+/* Check to make sure everything fits in external RAM */
+#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
+# error Memory Map does not fit into configuration
+#endif
+
+/* Default/common Blackfin environment settings */
+#ifndef CONFIG_LOADADDR
+# define CONFIG_LOADADDR 0x1000000
+#endif
+#ifndef CONFIG_SYS_LOAD_ADDR
+# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+#endif
+#ifndef CONFIG_SYS_BOOTM_LEN
+# define CONFIG_SYS_BOOTM_LEN 0x4000000
+#endif
+#ifndef CONFIG_SYS_PROMPT
+# define CONFIG_SYS_PROMPT "bfin> "
+#endif
+#ifndef CONFIG_SYS_CBSIZE
+# ifdef CONFIG_CMD_KGDB
+#  define CONFIG_SYS_CBSIZE 1024
+# else
+#  define CONFIG_SYS_CBSIZE 256
+# endif
+#endif
+#ifndef CONFIG_SYS_BARGSIZE
+# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#endif
+#ifndef CONFIG_SYS_PBSIZE
+# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#endif
+#ifndef CONFIG_SYS_MAXARGS
+# define CONFIG_SYS_MAXARGS 16
+#endif
+#ifndef CONFIG_SYS_HZ
+# define CONFIG_SYS_HZ 1000
+#endif
+#ifndef CONFIG_SYS_BAUDRATE_TABLE
+# define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+#endif
+
 #endif