ppc4xx: Add Glacier NAND booting target

index 48708a8..79f3b0f 100644
@@ -49,11 +49,11 @@ long int initdram(int board_type)
 	 * enabled. This will only work for the same memory
 	 * configuration as used here:
 	 *
-	 * Crucial CT3264AC53E.4FD - 256MB SO-DIMM
+	 * Crucial CT6464AC53E.4FE - 512MB SO-DIMM
 	 *
 	 */
 	mtsdram(SDRAM_MCOPT2, 0x00000000);
-	mtsdram(SDRAM_MCOPT1, 0x05122000);
+	mtsdram(SDRAM_MCOPT1, 0x05322000);
 	mtsdram(SDRAM_MODT0, 0x01000000);
 	mtsdram(SDRAM_CODT, 0x00800021);
 	mtsdram(SDRAM_WRDTR, 0x82000823);

@@ -62,7 +62,7 @@ long int initdram(int board_type)
 	mtsdram(SDRAM_RTR, 0x06180000);
 	mtsdram(SDRAM_SDTR1, 0x80201000);
 	mtsdram(SDRAM_SDTR2, 0x42103243);
-	mtsdram(SDRAM_SDTR3, 0x0A0D0D16);
+	mtsdram(SDRAM_SDTR3, 0x0A0D0D1A);
 	mtsdram(SDRAM_MMODE, 0x00000632);
 	mtsdram(SDRAM_MEMODE, 0x00000040);
 	mtsdram(SDRAM_INITPLR0, 0xB5380000);

@@ -86,7 +86,7 @@ long int initdram(int board_type)
 
 	wait_init_complete();
 
-	mtdcr(SDRAM_R0BAS, 0x0000F800);		/* MQ0_B0BAS */
+	mtdcr(SDRAM_R0BAS, 0x0000F000);		/* MQ0_B0BAS */
 
 	mtsdram(SDRAM_RDCC, 0x40000000);
 	mtsdram(SDRAM_RQDC, 0x80000038);

index 37fa1c9..1d125b6 100644
@@ -63,9 +63,22 @@ static u8 boot_configs[][17] = {
 /*
  * Bytes 5,6,8,9,11 change for NAND boot
  */
+#if 0
+/*
+ * Values for 512 page size NAND chips, not used anymore, just
+ * keep them here for reference
+ */
 static u8 nand_boot[] = {
 	0x90, 0x01,  0xa0, 0x68, 0x58
 };
+#else
+/*
+ * Values for 2k page size NAND chips
+ */
+static u8 nand_boot[] = {
+	0x90, 0x01,  0xa0, 0xe8, 0x58
+};
+#endif
 
 static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {

index a1c6674..acb9569 100644
@@ -141,6 +141,9 @@
  * On 440EPx the SPL is copied to SDRAM before the NAND controller is
  * set up. While still running from cache, I experienced problems accessing
  * the NAND controller.	sr - 2006-08-25
+ *
+ * This is the first official implementation of booting from 2k page sized
+ * NAND devices (e.g. Micron 29F2G08AA 256Mbit * 8)
  */
 #define CFG_NAND_BOOT_SPL_SRC	0xfffff000	/* SPL location		      */
 #define CFG_NAND_BOOT_SPL_SIZE	(4 << 10)	/* SPL size		      */

@@ -153,24 +156,27 @@
 /*
  * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
  */
-#define CFG_NAND_U_BOOT_OFFS	(16 << 10)	/* Offset to RAM U-Boot image */
-#define CFG_NAND_U_BOOT_SIZE	(384 << 10)	/* Size of RAM U-Boot image   */
+#define CFG_NAND_U_BOOT_OFFS	(128 << 10)	/* Offset to RAM U-Boot image */
+#define CFG_NAND_U_BOOT_SIZE	(1 << 20)	/* Size of RAM U-Boot image   */
 
 /*
  * Now the NAND chip has to be defined (no autodetection used!)
  */
-#define CFG_NAND_PAGE_SIZE	512		/* NAND chip page size	      */
-#define CFG_NAND_BLOCK_SIZE	(16 << 10)	/* NAND chip block size	      */
-#define CFG_NAND_PAGE_COUNT	32		/* NAND chip page count	      */
-#define CFG_NAND_BAD_BLOCK_POS	5	      /* Location of bad block marker */
-#undef CFG_NAND_4_ADDR_CYCLE		      /* No fourth addr used (<=32MB) */
+#define CFG_NAND_PAGE_SIZE	(2 << 10)	/* NAND chip page size	      */
+#define CFG_NAND_BLOCK_SIZE	(128 << 10)	/* NAND chip block size	      */
+#define CFG_NAND_PAGE_COUNT	(CFG_NAND_BLOCK_SIZE / CFG_NAND_PAGE_SIZE)
+						/* NAND chip page count	      */
+#define CFG_NAND_BAD_BLOCK_POS	0		/* Location of bad block marker*/
+#define CFG_NAND_5_ADDR_CYCLE			/* Fifth addr used (<=128MB)  */
 
 #define CFG_NAND_ECCSIZE	256
 #define CFG_NAND_ECCBYTES	3
 #define CFG_NAND_ECCSTEPS	(CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
-#define CFG_NAND_OOBSIZE	16
+#define CFG_NAND_OOBSIZE	64
 #define CFG_NAND_ECCTOTAL	(CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
-#define CFG_NAND_ECCPOS		{0, 1, 2, 3, 6, 7}
+#define CFG_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47, \
+				 48, 49, 50, 51, 52, 53, 54, 55, \
+				 56, 57, 58, 59, 60, 61, 62, 63}
 
 #ifdef CFG_ENV_IS_IN_NAND
 /*

@@ -231,7 +237,7 @@
 #define CONFIG_DDR_ECC		1	/* with ECC support		*/
 #define CONFIG_DDR_RQDC_FIXED	0x80000038 /* fixed value for RQDC	*/
 #endif
-#define CFG_MBYTES_SDRAM        256	/* 256MB			*/
+#define CFG_MBYTES_SDRAM	512	/* 512MB			*/
 
 /*-----------------------------------------------------------------------
  * I2C