Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

2 files changed, 187 insertions, 88 deletions

diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index faca805..a847275 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -31,6 +31,22 @@
 #define CONFIG_PHYS_64BIT	1
 #endif
 
+#ifdef CONFIG_MK_NAND
+#define CONFIG_NAND_U_BOOT		1
+#define CONFIG_RAMBOOT_NAND		1
+#define CONFIG_RAMBOOT_TEXT_BASE	0xf8f82000
+#endif
+
+#ifdef CONFIG_MK_SDCARD
+#define CONFIG_RAMBOOT_SDCARD		1
+#define CONFIG_RAMBOOT_TEXT_BASE	0xf8f80000
+#endif
+
+#ifdef CONFIG_MK_SPIFLASH
+#define CONFIG_RAMBOOT_SPIFLASH		1
+#define CONFIG_RAMBOOT_TEXT_BASE	0xf8f80000
+#endif
+
 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
@@ -86,27 +102,44 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_NUM_ADDR_MAP		16	/* number of TLB1 entries */
 #endif
 
-#define CONFIG_SYS_MEMTEST_START	0x00010000	/* skip exception vectors */
-#define CONFIG_SYS_MEMTEST_END		0x1f000000      /* skip u-boot at top of RAM  */
+#define CONFIG_SYS_MEMTEST_START 0x00010000	/* skip exception vectors */
+#define CONFIG_SYS_MEMTEST_END   0x1f000000	/* skip u-boot at top of RAM */
 #define CONFIG_PANIC_HANG	/* do not reset board on panic */
 
 /*
+ * Config the L2 Cache as L2 SRAM
+ */
+#define CONFIG_SYS_INIT_L2_ADDR		0xf8f80000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS	0xff8f80000ull
+#else
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS	CONFIG_SYS_INIT_L2_ADDR
+#endif
+#define CONFIG_SYS_L2_SIZE		(512 << 10)
+#define CONFIG_SYS_INIT_L2_END	(CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
+
+/*
  * Base addresses -- Note these are effective addresses where the
  * actual resources get mapped (not physical addresses)
  */
-#define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
 #define CONFIG_SYS_CCSRBAR		0xffe00000	/* relocated CCSRBAR */
 #ifdef CONFIG_PHYS_64BIT
-#define CONFIG_SYS_CCSRBAR_PHYS		0xfffe00000ull	/* physical addr of CCSRBAR */
+#define CONFIG_SYS_CCSRBAR_PHYS	0xfffe00000ull /* physical addr of CCSRBAR */
 #else
-#define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR	/* physical addr of CCSRBAR */
+#define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR
 #endif
-#define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
+#define CONFIG_SYS_IMMR	CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
 
-#define CONFIG_SYS_PCI1_ADDR		(CONFIG_SYS_CCSRBAR+0x8000)
-#define CONFIG_SYS_PCIE1_ADDR		(CONFIG_SYS_CCSRBAR+0xa000)
-#define CONFIG_SYS_PCIE2_ADDR		(CONFIG_SYS_CCSRBAR+0x9000)
-#define CONFIG_SYS_PCIE3_ADDR		(CONFIG_SYS_CCSRBAR+0xb000)
+#if defined(CONFIG_RAMBOOT_NAND) && !defined(CONFIG_NAND_SPL)
+#define CONFIG_SYS_CCSRBAR_DEFAULT	CONFIG_SYS_CCSRBAR
+#else
+#define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
+#endif
+
+#define CONFIG_SYS_PCI1_ADDR		(CONFIG_SYS_CCSRBAR + 0x8000)
+#define CONFIG_SYS_PCIE1_ADDR		(CONFIG_SYS_CCSRBAR + 0xa000)
+#define CONFIG_SYS_PCIE2_ADDR		(CONFIG_SYS_CCSRBAR + 0x9000)
+#define CONFIG_SYS_PCIE3_ADDR		(CONFIG_SYS_CCSRBAR + 0xb000)
 
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
@@ -131,9 +164,9 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_SPD_BUS_NUM		1
 
 /* These are used when DDR doesn't use SPD. */
-#define CONFIG_SYS_SDRAM_SIZE		256		/* DDR is 256MB */
+#define CONFIG_SYS_SDRAM_SIZE		256	/* DDR is 256MB */
 #define CONFIG_SYS_DDR_CS0_BNDS	0x0000001F
-#define CONFIG_SYS_DDR_CS0_CONFIG	0x80010102	/* Enable, no interleaving */
+#define CONFIG_SYS_DDR_CS0_CONFIG	0x80010102 /* Enable, no interleaving */
 #define CONFIG_SYS_DDR_TIMING_3	0x00000000
 #define CONFIG_SYS_DDR_TIMING_0	0x00260802
 #define CONFIG_SYS_DDR_TIMING_1	0x3935d322
@@ -145,7 +178,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_DDR_CLK_CTRL	0x03800000
 #define CONFIG_SYS_DDR_OCD_CTRL	0x00000000
 #define CONFIG_SYS_DDR_OCD_STATUS	0x00000000
-#define CONFIG_SYS_DDR_CONTROL		0xC3008000	/* Type = DDR2 */
+#define CONFIG_SYS_DDR_CONTROL	0xC3008000	/* Type = DDR2 */
 #define CONFIG_SYS_DDR_CONTROL2	0x04400010
 
 #define CONFIG_SYS_DDR_ERR_INT_EN	0x0000000d
@@ -190,24 +223,36 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_FLASH_BASE_PHYS	CONFIG_SYS_FLASH_BASE
 #endif
 
-#define CONFIG_SYS_BR0_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V)
-#define CONFIG_SYS_OR0_PRELIM	0xf8000ff7
+#define CONFIG_FLASH_BR_PRELIM \
+		(BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) \
+		 | BR_PS_16 | BR_V)
+#define CONFIG_FLASH_OR_PRELIM	0xf8000ff7
 
-#define CONFIG_SYS_BR1_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V)
+#define CONFIG_SYS_BR1_PRELIM \
+		(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) \
+		 | BR_PS_16 | BR_V)
 #define CONFIG_SYS_OR1_PRELIM	0xf8000ff7
 
-#define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, CONFIG_SYS_FLASH_BASE_PHYS}
+#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, \
+				      CONFIG_SYS_FLASH_BASE_PHYS }
 #define CONFIG_SYS_FLASH_QUIET_TEST
 #define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */
 
-#define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
-#define CONFIG_SYS_MAX_FLASH_SECT	1024		/* sectors per device */
+#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* number of banks */
+#define CONFIG_SYS_MAX_FLASH_SECT	1024	/* sectors per device */
 #undef	CONFIG_SYS_FLASH_CHECKSUM
-#define CONFIG_SYS_FLASH_ERASE_TOUT	60000		/* Flash Erase Timeout (ms) */
-#define CONFIG_SYS_FLASH_WRITE_TOUT	500		/* Flash Write Timeout (ms) */
+#define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
 
 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE	/* start of monitor */
 
+#if defined(CONFIG_SYS_SPL) || defined(CONFIG_RAMBOOT_NAND) \
+	|| defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH)
+#define CONFIG_SYS_RAMBOOT
+#else
+#undef CONFIG_SYS_RAMBOOT
+#endif
+
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_SYS_FLASH_EMPTY_INFO
@@ -224,7 +269,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #endif
 
 #define CONFIG_SYS_BR3_PRELIM	(BR_PHYS_ADDR(PIXIS_BASE_PHYS) | BR_PS_8 | BR_V)
-#define CONFIG_SYS_OR3_PRELIM		0xffffeff7	/* 32KB but only 4k mapped */
+#define CONFIG_SYS_OR3_PRELIM	0xffffeff7	/* 32KB but only 4k mapped */
 
 #define PIXIS_ID		0x0	/* Board ID at offset 0 */
 #define PIXIS_VER		0x1	/* Board version at offset 1 */
@@ -260,6 +305,8 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define PIXIS_VWATCH		0x24    /* Watchdog Register */
 #define PIXIS_LED		0x25    /* LED Register */
 
+#define PIXIS_SPD_SYSCLK	0x7	/* SYSCLK option */
+
 /* old pixis referenced names */
 #define PIXIS_VCLKH		0x19	/* VELA VCLKH register */
 #define PIXIS_VCLKL		0x1A	/* VELA VCLKL register */
@@ -270,18 +317,28 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_INIT_RAM_END	0x00004000	/* End of used area in RAM */
 
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* num bytes initial data */
-#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
+#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 */
-#define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)	/* Reserved for malloc */
+#define CONFIG_SYS_MONITOR_LEN	(256 * 1024) /* Reserve 256 kB for Mon */
+#define CONFIG_SYS_MALLOC_LEN	(1024 * 1024)	/* Reserved for malloc */
 
+#ifndef CONFIG_NAND_SPL
 #define CONFIG_SYS_NAND_BASE		0xffa00000
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_NAND_BASE_PHYS	0xfffa00000ull
 #else
 #define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
 #endif
+#else
+#define CONFIG_SYS_NAND_BASE		0xfff00000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_NAND_BASE_PHYS	0xffff00000ull
+#else
+#define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
+#endif
+#endif
 #define CONFIG_SYS_NAND_BASE_LIST     { CONFIG_SYS_NAND_BASE,\
 				CONFIG_SYS_NAND_BASE + 0x40000, \
 				CONFIG_SYS_NAND_BASE + 0x80000, \
@@ -292,43 +349,66 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_NAND_FSL_ELBC	1
 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
 
+/* NAND boot: 4K NAND loader config */
+#define CONFIG_SYS_NAND_SPL_SIZE	0x1000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	((512 << 10) - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_DST	(CONFIG_SYS_INIT_L2_ADDR)
+#define CONFIG_SYS_NAND_U_BOOT_START \
+		(CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_NAND_SPL_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	(0)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC	(CONFIG_SYS_INIT_L2_END - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC_SP ((CONFIG_SYS_INIT_L2_END - 1) & ~0xF)
+
 /* NAND flash config */
-#define CONFIG_NAND_BR_PRELIM  (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
-				| (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
-				| BR_PS_8              /* Port Size = 8 bit */ \
-				| BR_MS_FCM             /* MSEL = FCM */ \
-				| BR_V)                 /* valid */
-#define CONFIG_NAND_OR_PRELIM	(0xFFFC0000            /* length 256K */ \
-				| OR_FCM_PGS            /* Large Page*/ \
-				| OR_FCM_CSCT \
-				| OR_FCM_CST \
-				| OR_FCM_CHT \
-				| OR_FCM_SCY_1 \
-				| OR_FCM_TRLX \
-				| OR_FCM_EHTR)
-
-#define CONFIG_SYS_BR2_PRELIM  CONFIG_NAND_BR_PRELIM  /* NAND Base Address */
-#define CONFIG_SYS_OR2_PRELIM  CONFIG_NAND_OR_PRELIM  /* NAND Options */
-
-#define CONFIG_SYS_BR4_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x40000))\
-				| (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
-				| BR_PS_8              /* Port Size = 8 bit */ \
-				| BR_MS_FCM             /* MSEL = FCM */ \
-				| BR_V)                 /* valid */
-#define CONFIG_SYS_OR4_PRELIM	CONFIG_NAND_OR_PRELIM     /* NAND Options */
-#define CONFIG_SYS_BR5_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x80000))\
-				| (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
-				| BR_PS_8              /* Port Size = 8 bit */ \
-				| BR_MS_FCM             /* MSEL = FCM */ \
-				| BR_V)                 /* valid */
-#define CONFIG_SYS_OR5_PRELIM	CONFIG_NAND_OR_PRELIM     /* NAND Options */
-
-#define CONFIG_SYS_BR6_PRELIM  (BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0xc0000))\
-				| (2<<BR_DECC_SHIFT)    /* Use HW ECC */ \
-				| BR_PS_8              /* Port Size = 8 bit */ \
-				| BR_MS_FCM             /* MSEL = FCM */ \
-				| BR_V)                 /* valid */
-#define CONFIG_SYS_OR6_PRELIM	CONFIG_NAND_OR_PRELIM     /* NAND Options */
+#define CONFIG_NAND_BR_PRELIM \
+		(BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
+		| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
+		| BR_PS_8		/* Port Size = 8 bit */ \
+		| BR_MS_FCM		/* MSEL = FCM */ \
+		| BR_V)			/* valid */
+#define CONFIG_NAND_OR_PRELIM	(0xFFFC0000	/* length 256K */ \
+		| OR_FCM_PGS		/* Large Page*/ \
+		| OR_FCM_CSCT \
+		| OR_FCM_CST \
+		| OR_FCM_CHT \
+		| OR_FCM_SCY_1 \
+		| OR_FCM_TRLX \
+		| OR_FCM_EHTR)
+
+#ifdef CONFIG_RAMBOOT_NAND
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_NAND_BR_PRELIM	/* NAND Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_NAND_OR_PRELIM	/* NAND Options */
+#define CONFIG_SYS_BR2_PRELIM  CONFIG_FLASH_BR_PRELIM	/* NOR Base Address */
+#define CONFIG_SYS_OR2_PRELIM  CONFIG_FLASH_OR_PRELIM	/* NOR Options */
+#else
+#define CONFIG_SYS_BR0_PRELIM  CONFIG_FLASH_BR_PRELIM	/* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM  CONFIG_FLASH_OR_PRELIM	/* NOR Options */
+#define CONFIG_SYS_BR2_PRELIM  CONFIG_NAND_BR_PRELIM	/* NAND Base Address */
+#define CONFIG_SYS_OR2_PRELIM  CONFIG_NAND_OR_PRELIM	/* NAND Options */
+#endif
+
+#define CONFIG_SYS_BR4_PRELIM \
+		(BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x40000)) \
+		| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
+		| BR_PS_8		/* Port Size = 8 bit */ \
+		| BR_MS_FCM		/* MSEL = FCM */ \
+		| BR_V)			/* valid */
+#define CONFIG_SYS_OR4_PRELIM	CONFIG_NAND_OR_PRELIM	/* NAND Options */
+#define CONFIG_SYS_BR5_PRELIM \
+		(BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x80000)) \
+		| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
+		| BR_PS_8		/* Port Size = 8 bit */ \
+		| BR_MS_FCM		/* MSEL = FCM */ \
+		| BR_V)			/* valid */
+#define CONFIG_SYS_OR5_PRELIM	CONFIG_NAND_OR_PRELIM	/* NAND Options */
+
+#define CONFIG_SYS_BR6_PRELIM \
+		(BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0xc0000)) \
+		| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
+		| BR_PS_8		/* Port Size = 8 bit */ \
+		| BR_MS_FCM		/* MSEL = FCM */ \
+		| BR_V)			/* valid */
+#define CONFIG_SYS_OR6_PRELIM	CONFIG_NAND_OR_PRELIM	/* NAND Options */
 
 /* Serial Port - controlled on board with jumper J8
  * open - index 2
@@ -344,8 +424,8 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_BAUDRATE_TABLE	\
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
 
-#define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
-#define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
+#define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR + 0x4500)
+#define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR + 0x4600)
 
 /* Use the HUSH parser */
 #define CONFIG_SYS_HUSH_PARSER
@@ -360,8 +440,8 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_OF_BOARD_SETUP		1
 #define CONFIG_OF_STDOUT_VIA_ALIAS	1
 
-#define CONFIG_SYS_64BIT_STRTOUL		1
-#define CONFIG_SYS_64BIT_VSPRINTF		1
+#define CONFIG_SYS_64BIT_STRTOUL	1
+#define CONFIG_SYS_64BIT_VSPRINTF	1
 
 
 /*
@@ -526,15 +606,6 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_CMD_EXT2
 #endif
 
-/*
- * USB
- */
-#define CONFIG_CMD_USB
-#define CONFIG_USB_STORAGE
-#define CONFIG_USB_EHCI
-#define CONFIG_USB_EHCI_FSL
-#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
-
 #if defined(CONFIG_TSEC_ENET)
 
 #ifndef CONFIG_NET_MULTI
@@ -569,14 +640,27 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 /*
  * Environment
  */
-#define CONFIG_ENV_IS_IN_FLASH	1
-#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
-#define CONFIG_ENV_ADDR		0xfff80000
+
+#if defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_RAMBOOT_NAND)
+	#define CONFIG_ENV_IS_IN_NAND	1
+	#define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
+	#define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
+#elif defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH)
+	#define CONFIG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
+	#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
+	#define CONFIG_ENV_SIZE		0x2000
+#endif
 #else
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+	#define CONFIG_ENV_IS_IN_FLASH	1
+	#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
+	#define CONFIG_ENV_ADDR		0xfff80000
+	#else
+	#define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+	#endif
+	#define CONFIG_ENV_SIZE		0x2000
+	#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 #endif
-#define CONFIG_ENV_SIZE		0x2000
-#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
@@ -617,7 +701,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
-#define CONFIG_CMDLINE_EDITING		/* Command-line editing */
+#define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
 #if defined(CONFIG_CMD_KGDB)
@@ -625,9 +709,10 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #else
 #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #endif
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE \
+		+ sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
-#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
 #define CONFIG_SYS_HZ		1000		/* decrementer freq: 1ms ticks */
 
 /*
@@ -635,7 +720,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  * have to be in the first 16 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
-#define CONFIG_SYS_BOOTMAPSZ	(16 << 20)	/* Initial Memory map for Linux*/
+#define CONFIG_SYS_BOOTMAPSZ	(16 << 20) /* Initial Memory map for Linux */
 
 /*
  * Internal Definitions
@@ -671,7 +756,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_HOSTNAME		unknown
 #define CONFIG_ROOTPATH		/opt/nfsroot
 #define CONFIG_BOOTFILE		uImage
-#define CONFIG_UBOOTPATH	u-boot.bin	/* U-Boot image on TFTP server */
+#define CONFIG_UBOOTPATH	u-boot.bin /* U-Boot image on TFTP server */
 
 #define CONFIG_SERVERIP		192.168.1.1
 #define CONFIG_GATEWAYIP	192.168.1.1
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 */