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ColdFire 5282: Fix external flash boot and return dramsize

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
TsiChungLiew 17 years ago
parent
commit
2acefa72ee
3 changed files with 7 additions and 2 deletions
  1. 1 0
      board/m5282evb/m5282evb.c
  2. 5 1
      cpu/mcf52x2/start.S
  3. 1 1
      include/configs/M5282EVB.h

+ 1 - 0
board/m5282evb/m5282evb.c

@@ -89,4 +89,5 @@ long int initdram (int board_type)
 		/* Write to the SDRAM Mode Register */
 		*(u32 *)(CFG_SDRAM_BASE + 0x400) = 0xA5A59696;
 	}
+	return dramsize;
 }

+ 5 - 1
cpu/mcf52x2/start.S

@@ -58,7 +58,7 @@ _vectors:
 .long	0x00000000		/* Flash offset is 0 until we setup CS0 */
 #if defined(CONFIG_R5200)
 .long	0x400
-#elif defined(CONFIG_M5282)
+#elif defined(CONFIG_M5282) && (TEXT_BASE == CFG_INT_FLASH_BASE)
 .long	_start - TEXT_BASE
 #else
 .long	_START
@@ -177,7 +177,11 @@ _after_flashbar_copy:
 	 * therefore no VBR to set
 	 */
 #if !defined(CONFIG_MONITOR_IS_IN_RAM)
+#if defined(CONFIG_M5282) && (TEXT_BASE == CFG_INT_FLASH_BASE)
+	move.l	#CFG_INT_FLASH_BASE, %d0
+#else
 	move.l	#CFG_FLASH_BASE, %d0
+#endif
 	movec	%d0, %VBR
 #endif
 

+ 1 - 1
include/configs/M5282EVB.h

@@ -163,7 +163,7 @@
  * Please note that CFG_SDRAM_BASE _must_ start at 0
  */
 #define CFG_SDRAM_BASE		0x00000000
-#define	CFG_SDRAM_SIZE		8	/* SDRAM size in MB */
+#define	CFG_SDRAM_SIZE		16	/* SDRAM size in MB */
 #define CFG_FLASH_BASE		0xffe00000
 #define	CFG_INT_FLASH_BASE	0xf0000000
 #define CFG_INT_FLASH_ENABLE	0x21