diff --git a/include/configs/taihu.h b/include/configs/taihu.h
index bcb8732..8c48c66 100644
--- a/include/configs/taihu.h
+++ b/include/configs/taihu.h
@@ -102,8 +102,8 @@
 #define CONFIG_CMD_SPI
 
 #undef CONFIG_SPD_EEPROM		/* use SPD EEPROM for setup */
-#define CFG_SDRAM_SIZE_PER_BANK 0x04000000 /* 64MB */
-#define CFG_SDRAM_BANKS	        2
+#define CONFIG_SYS_SDRAM_SIZE_PER_BANK 0x04000000 /* 64MB */
+#define CONFIG_SYS_SDRAM_BANKS	        2
 
 /*
  * SDRAM configuration (please see cpu/ppc/sdram.[ch])
@@ -112,38 +112,38 @@
 #define CONFIG_SDRAM_BANK1	1	/* init onboard SDRAM bank 1 */
 
 /* SDRAM timings used in datasheet */
-#define CFG_SDRAM_CL            3	/* CAS latency */
-#define CFG_SDRAM_tRP           20	/* PRECHARGE command period */
-#define CFG_SDRAM_tRC           66	/* ACTIVE-to-ACTIVE command period */
-#define CFG_SDRAM_tRCD          20	/* ACTIVE-to-READ delay */
-#define CFG_SDRAM_tRFC		66	/* Auto refresh period */
+#define CONFIG_SYS_SDRAM_CL            3	/* CAS latency */
+#define CONFIG_SYS_SDRAM_tRP           20	/* PRECHARGE command period */
+#define CONFIG_SYS_SDRAM_tRC           66	/* ACTIVE-to-ACTIVE command period */
+#define CONFIG_SYS_SDRAM_tRCD          20	/* ACTIVE-to-READ delay */
+#define CONFIG_SYS_SDRAM_tRFC		66	/* Auto refresh period */
 
 /*
- * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
- * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
- * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
+ * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
+ * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
+ * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
  * The Linux BASE_BAUD define should match this configuration.
  *    baseBaud = cpuClock/(uartDivisor*16)
- * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
+ * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
  * set Linux BASE_BAUD to 403200.
  */
 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
-#undef  CFG_EXT_SERIAL_CLOCK           /* external serial clock */
-#undef  CFG_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
-#define CFG_BASE_BAUD		691200
+#undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
+#undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
+#define CONFIG_SYS_BASE_BAUD		691200
 #define CONFIG_UART1_CONSOLE	1
 
 /*-----------------------------------------------------------------------
  * I2C stuff
  *-----------------------------------------------------------------------
  */
-#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
+#define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/
 
-#define CFG_I2C_NOPROBES	{ 0x69 } /* avoid iprobe hangup (why?) */
-#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	6 /* 24C02 requires 5ms delay */
+#define CONFIG_SYS_I2C_NOPROBES	{ 0x69 } /* avoid iprobe hangup (why?) */
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	6 /* 24C02 requires 5ms delay */
 
-#define CFG_I2C_EEPROM_ADDR	0x50	/* I2C boot EEPROM (24C02W)	*/
-#define CFG_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* I2C boot EEPROM (24C02W)	*/
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/
 
 #define CONFIG_SOFT_SPI
 #define SPI_SCL  spi_scl
@@ -159,7 +159,7 @@
 /* standard dtt sensor configuration */
 #define CONFIG_DTT_DS1775	1
 #define CONFIG_DTT_SENSORS	{ 0 }
-#define CFG_I2C_DTT_ADDR	0x49
+#define CONFIG_SYS_I2C_DTT_ADDR	0x49
 
 /*-----------------------------------------------------------------------
  * PCI stuff
@@ -175,39 +175,39 @@
 					/* resource configuration      */
 #define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup */
 
-#define CFG_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
-#define CFG_PCI_SUBSYS_DEVICEID 0xcafe	/* Whatever */
-#define CFG_PCI_CLASSCODE       0x0600  /* PCI Class Code: bridge/host */
-#define CFG_PCI_PTM1LA	    0x00000000	/* point to sdram              */
-#define CFG_PCI_PTM1MS      0x80000001	/* 2GB, enable hard-wired to 1 */
-#define CFG_PCI_PTM1PCI     0x00000000	/* Host: use this pci address  */
-#define CFG_PCI_PTM2LA      0x00000000	/* disabled                    */
-#define CFG_PCI_PTM2MS	    0x00000000	/* disabled                    */
-#define CFG_PCI_PTM2PCI     0x04000000	/* Host: use this pci address  */
+#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
+#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe	/* Whatever */
+#define CONFIG_SYS_PCI_CLASSCODE       0x0600  /* PCI Class Code: bridge/host */
+#define CONFIG_SYS_PCI_PTM1LA	    0x00000000	/* point to sdram              */
+#define CONFIG_SYS_PCI_PTM1MS      0x80000001	/* 2GB, enable hard-wired to 1 */
+#define CONFIG_SYS_PCI_PTM1PCI     0x00000000	/* Host: use this pci address  */
+#define CONFIG_SYS_PCI_PTM2LA      0x00000000	/* disabled                    */
+#define CONFIG_SYS_PCI_PTM2MS	    0x00000000	/* disabled                    */
+#define CONFIG_SYS_PCI_PTM2PCI     0x04000000	/* Host: use this pci address  */
 #define CONFIG_EEPRO100		1
 
 /*-----------------------------------------------------------------------
  * Start addresses for the final memory configuration
  * (Set up by the startup code)
  */
-#define CFG_FLASH_BASE		0xFFE00000
+#define CONFIG_SYS_FLASH_BASE		0xFFE00000
 
 /*-----------------------------------------------------------------------
  * FLASH organization
  */
-#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
-#define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
+#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
+#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
 
-#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
-#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
 
-#define CFG_FLASH_ADDR0         0x555
-#define CFG_FLASH_ADDR1         0x2aa
-#define CFG_FLASH_WORD_SIZE     unsigned short
+#define CONFIG_SYS_FLASH_ADDR0         0x555
+#define CONFIG_SYS_FLASH_ADDR1         0x2aa
+#define CONFIG_SYS_FLASH_WORD_SIZE     unsigned short
 
 #ifdef CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_ENV_SECT_SIZE	0x10000	/* size of one complete sector	*/
-#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
 
 /* Address and size of Redundant Environment Sector	*/
@@ -218,19 +218,19 @@
 /*-----------------------------------------------------------------------
  * NVRAM organization
  */
-#define CFG_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address */
-#define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size */
+#define CONFIG_SYS_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address */
+#define CONFIG_SYS_NVRAM_SIZE		0x1ff8		/* NVRAM size */
 
 #ifdef CONFIG_ENV_IS_IN_NVRAM
 #define CONFIG_ENV_SIZE		0x0ff8		/* Size of Environment vars */
 #define CONFIG_ENV_ADDR		\
-	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env*/
+	(CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env*/
 #endif
 
 /*-----------------------------------------------------------------------
  * PPC405 GPIO Configuration
  */
-#define CFG_4xx_GPIO_TABLE { /*				GPIO	Alternate1		*/	\
+#define CONFIG_SYS_4xx_GPIO_TABLE { /*				GPIO	Alternate1		*/	\
 {												\
 /* GPIO Core 0 */										\
 { GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO0	PerBLast    SPI CS	*/	\
@@ -274,48 +274,48 @@
  * BR0/1 and OR0/1 (FLASH)
  */
 
-#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
+#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
 #define FLASH_BASE1_PRELIM  0xFC000000	/* FLASH bank #1 */
 
 /*-----------------------------------------------------------------------
  * Definitions for initial stack pointer and data area (in data cache)
  */
 /* use on chip memory (OCM) for temperary stack until sdram is tested */
-#define CFG_TEMP_STACK_OCM        1
+#define CONFIG_SYS_TEMP_STACK_OCM        1
 
 /* On Chip Memory location */
-#define CFG_OCM_DATA_ADDR	0xF8000000
-#define CFG_OCM_DATA_SIZE	0x1000
-#define CFG_INIT_RAM_ADDR	CFG_OCM_DATA_ADDR /* inside of SDRAM		*/
-#define CFG_INIT_RAM_END	CFG_OCM_DATA_SIZE /* End of used area in RAM	*/
+#define CONFIG_SYS_OCM_DATA_ADDR	0xF8000000
+#define CONFIG_SYS_OCM_DATA_SIZE	0x1000
+#define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM		*/
+#define CONFIG_SYS_INIT_RAM_END	CONFIG_SYS_OCM_DATA_SIZE /* End of used area in RAM	*/
 
-#define CFG_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */
-#define CFG_GBL_DATA_OFFSET    (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
-#define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
+#define CONFIG_SYS_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */
+#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
 
 /*-----------------------------------------------------------------------
  * External Bus Controller (EBC) Setup
  */
 
 /* Memory Bank 0 (Flash/SRAM) initialization */
-#define CFG_EBC_PB0AP           0x03815600
-#define CFG_EBC_PB0CR           0xFFE3A000  /* BAS=0xFFE,BS=2MB,BU=R/W,BW=16bit */
+#define CONFIG_SYS_EBC_PB0AP           0x03815600
+#define CONFIG_SYS_EBC_PB0CR           0xFFE3A000  /* BAS=0xFFE,BS=2MB,BU=R/W,BW=16bit */
 
 /* Memory Bank 1 (NVRAM/RTC) initialization */
-#define CFG_EBC_PB1AP           0x05815600
-#define CFG_EBC_PB1CR           0xFC0BA000  /* BAS=0xFc0,BS=32MB,BU=R/W,BW=16bit */
+#define CONFIG_SYS_EBC_PB1AP           0x05815600
+#define CONFIG_SYS_EBC_PB1CR           0xFC0BA000  /* BAS=0xFc0,BS=32MB,BU=R/W,BW=16bit */
 
 /* Memory Bank 2 (USB device) initialization */
-#define CFG_EBC_PB2AP           0x03016600
-#define CFG_EBC_PB2CR           0x50018000 /* BAS=0x500,BS=1MB,BU=R/W,BW=8bit */
+#define CONFIG_SYS_EBC_PB2AP           0x03016600
+#define CONFIG_SYS_EBC_PB2CR           0x50018000 /* BAS=0x500,BS=1MB,BU=R/W,BW=8bit */
 
 /* Memory Bank 3 (LCM and D-flip-flop) initialization */
-#define CFG_EBC_PB3AP           0x158FF600
-#define CFG_EBC_PB3CR           0x50118000 /* BAS=0x501,BS=1MB,BU=R/W,BW=8bit */
+#define CONFIG_SYS_EBC_PB3AP           0x158FF600
+#define CONFIG_SYS_EBC_PB3CR           0x50118000 /* BAS=0x501,BS=1MB,BU=R/W,BW=8bit */
 
 /* Memory Bank 4 (not install) initialization */
-#define CFG_EBC_PB4AP           0x158FF600
-#define CFG_EBC_PB4CR           0x5021A000
+#define CONFIG_SYS_EBC_PB4AP           0x158FF600
+#define CONFIG_SYS_EBC_PB4CR           0x5021A000
 
 #define CPLD_REG0_ADDR	0x50100000
 #define CPLD_REG1_ADDR	0x50100001