Merge with /home/wd/git/u-boot/custodian/u-boot-ppc4xx

14 files changed, 2228 insertions, 105 deletions

diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index caf6690..00c793a 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -32,9 +32,170 @@ void ext_bus_cntlr_init(void);
 void configure_ppc440ep_pins(void);
 int is_nand_selected(void);
 
-unsigned char cfg_simulate_spd_eeprom[128];
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
+/*************************************************************************
+ *
+ * Bamboo has one bank onboard sdram (plus DIMM)
+ *
+ * Fixed memory is composed of :
+ *	MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266,
+ *	13 row add bits, 10 column add bits (but 12 row used only).
+ *	ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266,
+ *	12 row add bits, 10 column add bits.
+ *	Prepare a subset (only the used ones) of SPD data
+ *
+ *	Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of
+ *	the corresponding bank is divided by 2 due to number of Row addresses
+ *	12 in the ECC module
+ *
+ *  Assumes:	64 MB, ECC, non-registered
+ *		PLB @ 133 MHz
+ *
+ ************************************************************************/
+const unsigned char cfg_simulate_spd_eeprom[128] = {
+	0x80,    /* number of SPD bytes used: 128 */
+	0x08,    /*  total number bytes in SPD device = 256 */
+	0x07,    /* DDR ram */
+#ifdef CONFIG_DDR_ECC
+	0x0C,    /* num Row Addr: 12 */
+#else
+	0x0D,    /* num Row Addr: 13 */
+#endif
+	0x09,    /* numColAddr: 9  */
+	0x01,    /* numBanks: 1 */
+	0x20,    /* Module data width: 32 bits */
+	0x00,    /* Module data width continued: +0 */
+	0x04,    /* 2.5 Volt */
+	0x75,    /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */
+#ifdef CONFIG_DDR_ECC
+	0x02,    /* ECC ON : 02 OFF : 00 */
+#else
+	0x00,    /* ECC ON : 02 OFF : 00 */
+#endif
+	0x82,    /* refresh Rate Type: Normal (15.625us) + Self refresh */
+	0,
+	0,
+	0,
+	0x01,    /* wcsbc = 1 */
+	0,
+	0,
+	0x0C,    /* casBit (2,2.5) */
+	0,
+	0,
+	0x00,    /* not registered: 0  registered : 0x02*/
+	0,
+	0xA0,    /* SDRAM Cycle Time (cas latency 2) = 10 ns */
+	0,
+	0x00,    /* SDRAM Cycle Time (cas latency 1.5) = N.A */
+	0,
+	0x50,    /* tRpNs = 20 ns  */
+	0,
+	0x50,    /* tRcdNs = 20 ns */
+	45,      /* tRasNs */
+#ifdef CONFIG_DDR_ECC
+	0x08,    /* bankSizeID: 32MB */
+#else
+	0x10,    /* bankSizeID: 64MB */
+#endif
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0
+};
+#endif
 
-gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
 #if 0
 {	   /* GPIO   Alternate1	      Alternate2	Alternate3 */
     {
@@ -291,73 +452,12 @@ int checkboard(void)
 	return (0);
 }
 
-#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
-/*************************************************************************
- *
- * init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM)
- *
- * Fixed memory is composed of :
- *	MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266,
- *	13 row add bits, 10 column add bits (but 12 row used only).
- *	ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266,
- *	12 row add bits, 10 column add bits.
- *	Prepare a subset (only the used ones) of SPD data
- *
- *	Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of
- *	the corresponding bank is divided by 2 due to number of Row addresses
- *	12 in the ECC module
- *
- *  Assumes:	64 MB, ECC, non-registered
- *		PLB @ 133 MHz
- *
- ************************************************************************/
-static void init_spd_array(void)
-{
-	cfg_simulate_spd_eeprom[8]     = 0x04;    /* 2.5 Volt */
-	cfg_simulate_spd_eeprom[2]     = 0x07;    /* DDR ram */
-
-#ifdef CONFIG_DDR_ECC
-	cfg_simulate_spd_eeprom[11]    = 0x02;    /* ECC ON : 02 OFF : 00 */
-	cfg_simulate_spd_eeprom[31]    = 0x08;    /* bankSizeID: 32MB */
-	cfg_simulate_spd_eeprom[3]     = 0x0C;    /* num Row Addr: 12 */
-#else
-	cfg_simulate_spd_eeprom[11]    = 0x00;    /* ECC ON : 02 OFF : 00 */
-	cfg_simulate_spd_eeprom[31]    = 0x10;    /* bankSizeID: 64MB */
-	cfg_simulate_spd_eeprom[3]     = 0x0D;    /* num Row Addr: 13 */
-#endif
-
-	cfg_simulate_spd_eeprom[4]     = 0x09;    /* numColAddr: 9  */
-	cfg_simulate_spd_eeprom[5]     = 0x01;    /* numBanks: 1 */
-	cfg_simulate_spd_eeprom[0]     = 0x80;    /* number of SPD bytes used: 128 */
-	cfg_simulate_spd_eeprom[1]     = 0x08;    /*  total number bytes in SPD device = 256 */
-	cfg_simulate_spd_eeprom[21]    = 0x00;    /* not registered: 0  registered : 0x02*/
-	cfg_simulate_spd_eeprom[6]     = 0x20;    /* Module data width: 32 bits */
-	cfg_simulate_spd_eeprom[7]     = 0x00;    /* Module data width continued: +0 */
-	cfg_simulate_spd_eeprom[15]    = 0x01;    /* wcsbc = 1 */
-	cfg_simulate_spd_eeprom[27]    = 0x50;    /* tRpNs = 20 ns  */
-	cfg_simulate_spd_eeprom[29]    = 0x50;    /* tRcdNs = 20 ns */
-
-	cfg_simulate_spd_eeprom[30]    = 45;      /* tRasNs */
-
-	cfg_simulate_spd_eeprom[18]    = 0x0C;    /* casBit (2,2.5) */
-
-	cfg_simulate_spd_eeprom[9]     = 0x75;    /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */
-	cfg_simulate_spd_eeprom[23]    = 0xA0;    /* SDRAM Cycle Time (cas latency 2) = 10 ns */
-	cfg_simulate_spd_eeprom[25]    = 0x00;    /* SDRAM Cycle Time (cas latency 1.5) = N.A */
-	cfg_simulate_spd_eeprom[12]    = 0x82;    /* refresh Rate Type: Normal (15.625us) + Self refresh */
-}
-#endif
 
 long int initdram (int board_type)
 {
 #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
 	long dram_size;
 
-	/*
-	 * First write simulated values in eeprom array for onboard bank 0
-	 */
-	init_spd_array();
-
 	dram_size = spd_sdram();
 
 	return dram_size;
@@ -371,11 +471,12 @@ int testdram(void)
 {
 	unsigned long *mem = (unsigned long *)0;
 	const unsigned long kend = (1024 / sizeof(unsigned long));
-	unsigned long k, n;
+	unsigned long k, n, *p32, ctr;
+	const unsigned long bend = CFG_MBYTES_SDRAM * 1024 * 1024;
 
 	mtmsr(0);
 
-	for (k = 0; k < CFG_KBYTES_SDRAM;
+	for (k = 0; k <	CFG_MBYTES_SDRAM*1024;
 	     ++k, mem += (1024 / sizeof(unsigned long))) {
 		if ((k & 1023) == 0) {
 			printf("%3d MB\r", k / 1024);
@@ -399,6 +500,34 @@ int testdram(void)
 			}
 		}
 	}
+
+	/*
+	 * Perform a sequence test to ensure that all
+	 * memory locations are uniquely addressable
+	 */
+	ctr = 0;
+	p32 = 0;
+	while ((unsigned long)p32 != bend) {
+		if (0 == ((unsigned long)p32 & ((1<<20)-1)))
+			printf("Writing	%3d MB\r", (unsigned long)p32 >> 20);
+		*p32++ = ctr++;
+	}
+
+	ctr = 0;
+	p32 = 0;
+	while ((unsigned long)p32 != bend) {
+		if (0 == ((unsigned long)p32 & ((1<<20)-1)))
+			printf("Verifying %3d MB\r", (unsigned long)p32 >> 20);
+
+		if (*p32 != ctr) {
+			printf("SDRAM test fails at: %08x\n", p32);
+			return 1;
+		}
+
+		ctr++;
+		p32++;
+	}
+
 	printf("SDRAM test passes\n");
 	return 0;
 }
@@ -1211,7 +1340,7 @@ void uart_selection_in_fpga(uart_config_nb_t uart_config)
 /*----------------------------------------------------------------------------+
   | init_default_gpio
   +----------------------------------------------------------------------------*/
-void init_default_gpio(void)
+void init_default_gpio(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	int i;
 
@@ -1281,7 +1410,7 @@ void init_default_gpio(void)
   |
   +----------------------------------------------------------------------------*/
 
-void update_uart_ios(uart_config_nb_t uart_config)
+void update_uart_ios(uart_config_nb_t uart_config, gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	switch (uart_config)
 	{
@@ -1409,7 +1538,7 @@ void update_uart_ios(uart_config_nb_t uart_config)
 /*----------------------------------------------------------------------------+
   | update_ndfc_ios(void).
   +----------------------------------------------------------------------------*/
-void update_ndfc_ios(void)
+void update_ndfc_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	/* Update GPIO Configuration Table */
 	gpio_tab[GPIO0][6].in_out = GPIO_OUT;	    /* EBC_CS_N(1) */
@@ -1427,7 +1556,7 @@ void update_ndfc_ios(void)
 /*----------------------------------------------------------------------------+
   | update_zii_ios(void).
   +----------------------------------------------------------------------------*/
-void update_zii_ios(void)
+void update_zii_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	/* Update GPIO Configuration Table */
 	gpio_tab[GPIO0][12].in_out = GPIO_IN;	    /* ZII_p0Rxd(0) */
@@ -1477,7 +1606,7 @@ void update_zii_ios(void)
 /*----------------------------------------------------------------------------+
   | update_uic_0_3_irq_ios().
   +----------------------------------------------------------------------------*/
-void update_uic_0_3_irq_ios(void)
+void update_uic_0_3_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO1][8].in_out = GPIO_IN;	    /* UIC_IRQ(0) */
 	gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1;
@@ -1495,7 +1624,7 @@ void update_uic_0_3_irq_ios(void)
 /*----------------------------------------------------------------------------+
   | update_uic_4_9_irq_ios().
   +----------------------------------------------------------------------------*/
-void update_uic_4_9_irq_ios(void)
+void update_uic_4_9_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO1][12].in_out = GPIO_IN;	    /* UIC_IRQ(4) */
 	gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1;
@@ -1516,7 +1645,7 @@ void update_uic_4_9_irq_ios(void)
 /*----------------------------------------------------------------------------+
   | update_dma_a_b_ios().
   +----------------------------------------------------------------------------*/
-void update_dma_a_b_ios(void)
+void update_dma_a_b_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO1][12].in_out = GPIO_OUT;	    /* DMA_ACK(1) */
 	gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2;
@@ -1537,7 +1666,7 @@ void update_dma_a_b_ios(void)
 /*----------------------------------------------------------------------------+
   | update_dma_c_d_ios().
   +----------------------------------------------------------------------------*/
-void update_dma_c_d_ios(void)
+void update_dma_c_d_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO0][0].in_out = GPIO_IN;	    /* DMA_REQ(2) */
 	gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2;
@@ -1562,7 +1691,7 @@ void update_dma_c_d_ios(void)
 /*----------------------------------------------------------------------------+
   | update_ebc_master_ios().
   +----------------------------------------------------------------------------*/
-void update_ebc_master_ios(void)
+void update_ebc_master_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO0][27].in_out = GPIO_IN;	    /* EXT_EBC_REQ */
 	gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1;
@@ -1580,7 +1709,7 @@ void update_ebc_master_ios(void)
 /*----------------------------------------------------------------------------+
   | update_usb2_device_ios().
   +----------------------------------------------------------------------------*/
-void update_usb2_device_ios(void)
+void update_usb2_device_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO0][26].in_out = GPIO_IN;	    /* USB2D_RXVALID */
 	gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2;
@@ -1611,20 +1740,21 @@ void update_usb2_device_ios(void)
 /*----------------------------------------------------------------------------+
   | update_pci_patch_ios().
   +----------------------------------------------------------------------------*/
-void update_pci_patch_ios(void)
+void update_pci_patch_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	gpio_tab[GPIO0][29].in_out = GPIO_OUT;	    /* EBC_EXT_HDLA */
 	gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1;
 }
 
 /*----------------------------------------------------------------------------+
-  |   set_chip_gpio_configuration(unsigned char gpio_core)
+  |   set_chip_gpio_configuration(unsigned char gpio_core,
+  |                               gpio_param_s (*gpio_tab)[GPIO_MAX])
   |   Put the core impacted by clock modification and sharing in reset.
   |   Config the select registers to resolve the sharing depending of the config.
   |   Configure the GPIO registers.
   |
   +----------------------------------------------------------------------------*/
-void set_chip_gpio_configuration(unsigned char gpio_core)
+void set_chip_gpio_configuration(unsigned char gpio_core, gpio_param_s (*gpio_tab)[GPIO_MAX])
 {
 	unsigned char i=0, j=0, reg_offset = 0;
 	unsigned long gpio_reg, gpio_core_add;
@@ -1778,11 +1908,12 @@ void configure_ppc440ep_pins(void)
 			CORE_NOT_SELECTED	/* PCI_PATCH */
 		};
 
+	gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
 
 	/* Table Default Initialisation + FPGA Access */
-	init_default_gpio();
-	set_chip_gpio_configuration(GPIO0);
-	set_chip_gpio_configuration(GPIO1);
+	init_default_gpio(gpio_tab);
+	set_chip_gpio_configuration(GPIO0, gpio_tab);
+	set_chip_gpio_configuration(GPIO1, gpio_tab);
 
 	/* Update Table */
 	force_bup_core_selection(ppc440ep_core_selection, &config_val);
@@ -1817,7 +1948,7 @@ void configure_ppc440ep_pins(void)
 	/* UIC 0:3 Selection */
 	if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED)
 	{
-		update_uic_0_3_irq_ios();
+		update_uic_0_3_irq_ios(gpio_tab);
 		dma_a_b_unselect_in_fpga();
 	}
 
@@ -1825,21 +1956,21 @@ void configure_ppc440ep_pins(void)
 	if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED)
 	{
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL;
-		update_uic_4_9_irq_ios();
+		update_uic_4_9_irq_ios(gpio_tab);
 	}
 
 	/* DMA AB Selection */
 	if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED)
 	{
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL;
-		update_dma_a_b_ios();
+		update_dma_a_b_ios(gpio_tab);
 		dma_a_b_selection_in_fpga();
 	}
 
 	/* DMA CD Selection */
 	if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED)
 	{
-		update_dma_c_d_ios();
+		update_dma_c_d_ios(gpio_tab);
 		dma_c_d_selection_in_fpga();
 	}
 
@@ -1848,14 +1979,14 @@ void configure_ppc440ep_pins(void)
 	{
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL;
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
-		update_ebc_master_ios();
+		update_ebc_master_ios(gpio_tab);
 	}
 
 	/* PCI Patch Enable */
 	if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED)
 	{
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
-		update_pci_patch_ios();
+		update_pci_patch_ios(gpio_tab);
 	}
 
 	/* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */
@@ -1871,7 +2002,7 @@ void configure_ppc440ep_pins(void)
 	/* USB2.0 Device Selection */
 	if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
 	{
-		update_usb2_device_ios();
+		update_usb2_device_ios(gpio_tab);
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL;
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE;
 
@@ -1904,7 +2035,7 @@ void configure_ppc440ep_pins(void)
 	/* NAND Flash Selection */
 	if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED)
 	{
-		update_ndfc_ios();
+		update_ndfc_ios(gpio_tab);
 
 #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
 		mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL   |
@@ -1933,7 +2064,7 @@ void configure_ppc440ep_pins(void)
 	/* MII Selection */
 	if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED)
 	{
-		update_zii_ios();
+		update_zii_ios(gpio_tab);
 		mfsdr(sdr_mfr, sdr0_mfr);
 		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII;
 		mtsdr(sdr_mfr, sdr0_mfr);
@@ -1944,7 +2075,7 @@ void configure_ppc440ep_pins(void)
 	/* RMII Selection */
 	if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED)
 	{
-		update_zii_ios();
+		update_zii_ios(gpio_tab);
 		mfsdr(sdr_mfr, sdr0_mfr);
 		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M;
 		mtsdr(sdr_mfr, sdr0_mfr);
@@ -1955,7 +2086,7 @@ void configure_ppc440ep_pins(void)
 	/* SMII Selection */
 	if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED)
 	{
-		update_zii_ios();
+		update_zii_ios(gpio_tab);
 		mfsdr(sdr_mfr, sdr0_mfr);
 		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII;
 		mtsdr(sdr_mfr, sdr0_mfr);
@@ -1992,7 +2123,7 @@ void configure_ppc440ep_pins(void)
 		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
 		break;
 	}
-	update_uart_ios(uart_configuration);
+	update_uart_ios(uart_configuration, gpio_tab);
 
 	/* UART Selection in all cases */
 	uart_selection_in_fpga(uart_configuration);
@@ -2014,8 +2145,8 @@ void configure_ppc440ep_pins(void)
 
 	/* Perform effective access to hardware */
 	mtsdr(sdr_pfc1, sdr0_pfc1);
-	set_chip_gpio_configuration(GPIO0);
-	set_chip_gpio_configuration(GPIO1);
+	set_chip_gpio_configuration(GPIO0, gpio_tab);
+	set_chip_gpio_configuration(GPIO1, gpio_tab);
 
 	/* USB2.0 Device Reset must be done after GPIO setting */
 	if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S
index 1459eec..f4d2ae3 100644
--- a/board/amcc/bamboo/init.S
+++ b/board/amcc/bamboo/init.S
@@ -51,13 +51,12 @@ tlbtab:
 	tlbentry(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
 #else
 	tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 0, AC_R|AC_W|AC_X|SA_G)
+	tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
 #endif
 
 	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
 	tlbentry(CFG_INIT_RAM_ADDR, SZ_4K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
 
-	tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
-
 	/* PCI base & peripherals */
 	tlbentry(CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I)
 
diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds
index f6d7183..0375618 100644
--- a/board/amcc/bamboo/u-boot.lds
+++ b/board/amcc/bamboo/u-boot.lds
@@ -141,8 +141,6 @@ SECTIONS
    *(COMMON)
   }
 
-  ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified.");
-
   _end = . ;
   PROVIDE (end = .);
 }
diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c
index fe6ce8a..66e7509 100644
--- a/board/amcc/bubinga/bubinga.c
+++ b/board/amcc/bubinga/bubinga.c
@@ -20,10 +20,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */
-long int spd_sdram(void);
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
+
+long int spd_sdram(void);
 
 int board_early_init_f(void)
 {
@@ -34,6 +36,15 @@ int board_early_init_f(void)
 	mtdcr(uictr, 0x00000010);	/* set int trigger levels */
 	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
 
+	/*
+	 * Configure CPC0_PCI to enable PerWE as output
+	 * and enable the internal PCI arbiter if selected
+	 */
+	if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
+		mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
+	else
+		mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN);
+
 	return 0;
 }
 
diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c
index e6429ec..eba0511 100644
--- a/board/amcc/common/flash.c
+++ b/board/amcc/common/flash.c
@@ -745,19 +745,27 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
 		if (info->flash_id & FLASH_BTYPE) {
 			/* set sector offsets for bottom boot block type */
 			info->start[0] = base + 0x00000000;
-			info->start[1] = base + 0x00004000;
-			info->start[2] = base + 0x00006000;
-			info->start[3] = base + 0x00008000;
-			for (i = 4; i < info->sector_count; i++) {
+			info->start[1] = base + 0x00002000;
+			info->start[2] = base + 0x00004000;
+			info->start[3] = base + 0x00006000;
+			info->start[4] = base + 0x00008000;
+			info->start[5] = base + 0x0000a000;
+			info->start[6] = base + 0x0000c000;
+			info->start[7] = base + 0x0000e000;
+			for (i = 8; i < info->sector_count; i++) {
 				info->start[i] =
-				    base + (i * 0x00010000) - 0x00030000;
+				    base + ((i-7) * 0x00010000);
 			}
 		} else {
 			/* set sector offsets for top boot block type */
 			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00002000;
 			info->start[i--] = base + info->size - 0x00004000;
 			info->start[i--] = base + info->size - 0x00006000;
 			info->start[i--] = base + info->size - 0x00008000;
+			info->start[i--] = base + info->size - 0x0000a000;
+			info->start[i--] = base + info->size - 0x0000c000;
+			info->start[i--] = base + info->size - 0x0000e000;
 			for (; i >= 0; i--) {
 				info->start[i] = base + i * 0x00010000;
 			}
diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c
index 2eff3b3..7b16f8a 100644
--- a/board/amcc/luan/luan.c
+++ b/board/amcc/luan/luan.c
@@ -104,6 +104,13 @@ int checkboard(void)
 	return  0;
 }
 
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+u32 ddr_clktr(u32 default_val) {
+	return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
+}
 
 /*************************************************************************
  *  int testdram()
diff --git a/board/amcc/taihu/Makefile b/board/amcc/taihu/Makefile
new file mode 100644
index 0000000..9731c6e
--- /dev/null
+++ b/board/amcc/taihu/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o flash.o lcd.o update.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/amcc/taihu/config.mk b/board/amcc/taihu/config.mk
new file mode 100644
index 0000000..1bdf5e4
--- /dev/null
+++ b/board/amcc/taihu/config.mk
@@ -0,0 +1,24 @@
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0xFFFC0000
diff --git a/board/amcc/taihu/flash.c b/board/amcc/taihu/flash.c
new file mode 100644
index 0000000..290259e
--- /dev/null
+++ b/board/amcc/taihu/flash.c
@@ -0,0 +1,1083 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */
+
+#undef DEBUG
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif				/* DEBUG */
+
+#define CFG_FLASH_CHAR_SIZE unsigned char
+#define CFG_FLASH_CHAR_ADDR0 (0x0aaa)
+#define CFG_FLASH_CHAR_ADDR1 (0x0555)
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+static void flash_get_offsets(ulong base, flash_info_t * info);
+static int write_word(flash_info_t * info, ulong dest, ulong data);
+#ifdef FLASH_BASE1_PRELIM
+static int write_word_1(flash_info_t * info, ulong dest, ulong data);
+static int write_word_2(flash_info_t * info, ulong dest, ulong data);
+static int flash_erase_1(flash_info_t * info, int s_first, int s_last);
+static int flash_erase_2(flash_info_t * info, int s_first, int s_last);
+static ulong flash_get_size_1(vu_long * addr, flash_info_t * info);
+static ulong flash_get_size_2(vu_long * addr, flash_info_t * info);
+#endif
+
+unsigned long flash_init(void)
+{
+	unsigned long size_b0, size_b1=0;
+	int i;
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size_b0 =
+	    flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+		       size_b0, size_b0 << 20);
+	}
+
+	if (size_b0) {
+		/* Setup offsets */
+		flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]);
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[0]);
+#ifdef CFG_ENV_IS_IN_FLASH
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+#endif
+		/* Also protect sector containing initial power-up instruction */
+		/* (flash_protect() checks address range - other call ignored) */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]);
+
+		flash_info[0].size = size_b0;
+	}
+#ifdef FLASH_BASE1_PRELIM
+	size_b1 =
+	    flash_get_size((vu_long *) FLASH_BASE1_PRELIM, &flash_info[1])*2;
+
+	if (flash_info[1].flash_id == FLASH_UNKNOWN) {
+		printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
+		       size_b1, size_b1 << 20);
+	}
+
+	if (size_b1) {
+		/* Setup offsets */
+		flash_get_offsets(FLASH_BASE1_PRELIM, &flash_info[1]);
+		flash_info[1].size = size_b1;
+	}
+#endif
+	return (size_b0 + size_b1);
+}
+
+static void flash_get_offsets(ulong base, flash_info_t * info)
+{
+	int i;
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    (info->flash_id == FLASH_AM040)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) {
+		for (i = 0; i < info->sector_count; i++) {
+			info->start[i] = base + (i * 0x00010000*2);
+		}
+	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) {
+		for (i = 0; i < info->sector_count; i++) {
+			info->start[i] = base + (i * 0x00020000*2);
+		}
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type        */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type           */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+}
+
+
+void flash_print_info(flash_info_t * info)
+{
+	int i;
+	int k;
+	int size;
+	int erased;
+	volatile unsigned long *flash;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("missing or unknown FLASH type\n");
+		return;
+	}
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case FLASH_MAN_AMD:
+		printf("AMD ");
+		break;
+	case FLASH_MAN_STM:
+		printf("STM ");
+		break;
+	case FLASH_MAN_FUJ:
+		printf("FUJITSU ");
+		break;
+	case FLASH_MAN_SST:
+		printf("SST ");
+		break;
+	default:
+		printf("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM040:
+		printf("AM29F040 (512 Kbit, uniform sector size)\n");
+		break;
+	case FLASH_AM400B:
+		printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM400T:
+		printf("AM29LV400T (4 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM800B:
+		printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM800T:
+		printf("AM29LV800T (8 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AMD016:
+		printf("AM29F016D (16 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_AM160B:
+		printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM160T:
+		printf("AM29LV160T (16 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM320B:
+		printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM320T:
+		printf("AM29LV320T (32 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM033C:
+		printf("AM29LV033C (32 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AMLV128U:
+		printf("AM29LV128U (128 Mbit * 2, top boot sector)\n");
+		break;
+	case FLASH_SST800A:
+		printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_SST160A:
+		printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_STMW320DT:
+		printf ("M29W320DT (32 M, top sector)\n");
+		break;
+	case FLASH_S29GL128N:
+		printf ("S29GL128N (256 Mbit, uniform sector size)\n");
+		break;
+	default:
+		printf("Unknown Chip Type\n");
+		break;
+	}
+
+	printf("  Size: %ld KB in %d Sectors\n",
+	       info->size >> 10, info->sector_count);
+
+	printf("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; ++i) {
+		/*
+		 * Check if whole sector is erased
+		 */
+		if (i != (info->sector_count - 1))
+			size = info->start[i + 1] - info->start[i];
+		else
+			size = info->start[0] + info->size - info->start[i];
+		erased = 1;
+		flash = (volatile unsigned long *)info->start[i];
+		size = size >> 2;	/* divide by 4 for longword access */
+		for (k = 0; k < size; k++) {
+			if (*flash++ != 0xffffffff) {
+				erased = 0;
+				break;
+			}
+		}
+
+		if ((i % 5) == 0)
+			printf("\n   ");
+		printf(" %08lX%s%s",
+		       info->start[i],
+		       erased ? " E" : "  ", info->protect[i] ? "RO " : "   ");
+	}
+	printf("\n");
+	return;
+}
+
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+#ifdef FLASH_BASE1_PRELIM
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+{
+	if ((ulong)addr == FLASH_BASE1_PRELIM) {
+		return flash_get_size_2(addr, info);
+	} else {
+		return flash_get_size_1(addr, info);
+	}
+}
+
+static ulong flash_get_size_1(vu_long * addr, flash_info_t * info)
+#else
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+#endif
+{
+	short i;
+	CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong) addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+
+	DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090;
+	udelay(1000);
+
+	value = addr2[0];
+	DEBUGF("FLASH MANUFACT: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT:
+		info->flash_id = FLASH_MAN_FUJ;
+		break;
+	case (CFG_FLASH_WORD_SIZE) SST_MANUFACT:
+		info->flash_id = FLASH_MAN_SST;
+		break;
+	case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
+		info->flash_id = FLASH_MAN_STM;
+		break;
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return 0;	/* no or unknown flash  */
+	}
+
+	value = addr2[1];	/* device ID            */
+	DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D:
+		info->flash_id += FLASH_AMD016;
+		info->sector_count = 32;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C:
+		info->flash_id += FLASH_AMDLV033C;
+		info->sector_count = 64;
+		info->size = 0x00400000;
+		break;		/* => 4 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T:
+		info->flash_id += FLASH_AM400T;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;		/* => 0.5 MB            */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B:
+		info->flash_id += FLASH_AM400B;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;		/* => 0.5 MB            */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T:
+		info->flash_id += FLASH_AM800T;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;		/* => 1 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B:
+		info->flash_id += FLASH_AM800B;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;		/* => 1 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return 0;	/* => no or unknown flash */
+	}
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	}
+	else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000 * 2);
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type        */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type           */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+
+	/* check for protected sectors */
+	for (i = 0; i < info->sector_count; i++) {
+		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+		/* D0 = 1 if protected */
+		addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+
+		/* For AMD29033C flash we need to resend the command of *
+		 * reading flash protection for upper 8 Mb of flash     */
+		if (i == 32) {
+			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+			addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
+		}
+
+		if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+			info->protect[i] = 0;
+		else
+			info->protect[i] = addr2[2] & 1;
+	}
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
+
+	return info->size;
+}
+
+static int wait_for_DQ7_1(flash_info_t * info, int sect)
+{
+	ulong start, now, last;
+	volatile CFG_FLASH_WORD_SIZE *addr =
+	    (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+	start = get_timer(0);
+	last = start;
+	while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+	       (CFG_FLASH_WORD_SIZE) 0x00800080) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf("Timeout\n");
+			return -1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) {	/* every second */
+			putc('.');
+			last = now;
+		}
+	}
+	return 0;
+}
+
+#ifdef FLASH_BASE1_PRELIM
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+	if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
+		return flash_erase_2(info, s_first, s_last);
+	} else {
+		return flash_erase_1(info, s_first, s_last);
+	}
+}
+
+static int flash_erase_1(flash_info_t * info, int s_first, int s_last)
+#else
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+#endif
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+	int i;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		if (info->flash_id == FLASH_UNKNOWN) {
+			printf("- missing\n");
+		} else {
+			printf("- no sectors to erase\n");
+		}
+		return 1;
+	}
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("Can't erase unknown flash type - aborted\n");
+		return 1;
+	}
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+
+	if (prot) {
+		printf("- Warning: %d protected sectors will not be erased!\n",
+		       prot);
+	} else {
+		printf("\n");
+	}
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050;	/* block erase */
+				for (i = 0; i < 50; i++)
+					udelay(1000);	/* wait 1 ms */
+			} else {
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030;	/* sector erase */
+			}
+			l_sect = sect;
+			/*
+			 * Wait for each sector to complete, it's more
+			 * reliable.  According to AMD Spec, you must
+			 * issue all erase commands within a specified
+			 * timeout.  This has been seen to fail, especially
+			 * if printf()s are included (for debug)!!
+			 */
+			wait_for_DQ7_1(info, sect);
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay(1000);
+
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
+	addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;	/* reset bank */
+
+	printf(" done\n");
+	return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	ulong cp, wp, data;
+	int i, l, rc;
+
+	wp = (addr & ~3);	/* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i = 0, cp = wp; i < l; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *) cp);
+		}
+		for (; i < 4 && cnt > 0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < 4; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *) cp);
+		}
+
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return rc;
+		}
+		wp += 4;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 4) {
+		data = 0;
+		for (i = 0; i < 4; ++i) {
+			data = (data << 8) | *src++;
+		}
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return rc;
+		}
+		wp += 4;
+		cnt -= 4;
+	}
+
+	if (cnt == 0) {
+		return 0;
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i < 4; ++i, ++cp) {
+		data = (data << 8) | (*(uchar *) cp);
+	}
+
+	return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+#ifdef FLASH_BASE1_PRELIM
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+{
+	if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
+		return write_word_2(info, dest, data);
+	} else {
+		return write_word_1(info, dest, data);
+	}
+}
+
+static int write_word_1(flash_info_t * info, ulong dest, ulong data)
+#else
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+#endif
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+	ulong start;
+	int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_long *)dest) & data) != data) {
+		return 2;
+	}
+
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		int flag;
+
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0;
+
+		dest2[i] = data2[i];
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		/* data polling for D7 */
+		start = get_timer(0);
+		while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+		       (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) {
+
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+				return 1;
+			}
+		}
+	}
+
+	return 0;
+}
+
+#ifdef FLASH_BASE1_PRELIM
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
+{
+	short i;
+	CFG_FLASH_CHAR_SIZE value;
+	ulong base = (ulong) addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+
+	DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+	addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+	addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
+	udelay(1000);
+
+	value = (CFG_FLASH_CHAR_SIZE)addr2[0];
+	DEBUGF("FLASH MANUFACT: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_CHAR_SIZE) AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	case (CFG_FLASH_CHAR_SIZE) FUJ_MANUFACT:
+		info->flash_id = FLASH_MAN_FUJ;
+		break;
+	case (CFG_FLASH_CHAR_SIZE) SST_MANUFACT:
+		info->flash_id = FLASH_MAN_SST;
+		break;
+	case (CFG_FLASH_CHAR_SIZE) STM_MANUFACT:
+		info->flash_id = FLASH_MAN_STM;
+		break;
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return 0;		/* no or unknown flash */
+	}
+
+	value = (CFG_FLASH_CHAR_SIZE)addr2[2];	/* device ID */
+	DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_F040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_CHAR_SIZE) STM_ID_M29W040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_F016D:
+		info->flash_id += FLASH_AMD016;
+		info->sector_count = 32;
+		info->size = 0x00200000;
+		break;			/* => 2 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV033C:
+		info->flash_id += FLASH_AMDLV033C;
+		info->sector_count = 64;
+		info->size = 0x00400000;
+		break;			/* => 4 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400T:
+		info->flash_id += FLASH_AM400T;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;			/* => 0.5 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400B:
+		info->flash_id += FLASH_AM400B;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;			/* => 0.5 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800T:
+		info->flash_id += FLASH_AM800T;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;			/* => 1 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800B:
+		info->flash_id += FLASH_AM800B;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;			/* => 1 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160T:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;			/* => 2 MB */
+
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;			/* => 2 MB */
+	case (CFG_FLASH_CHAR_SIZE) AMD_ID_MIRROR:
+		if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_2
+				&& (CFG_FLASH_CHAR_SIZE)addr2[0x1e] ==  (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_3) {
+			info->flash_id += FLASH_AMLV128U;
+			info->sector_count = 256;
+			info->size = 0x01000000;
+		} else if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_2
+				&& (CFG_FLASH_CHAR_SIZE)addr2[0x1e] ==  (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_3 ) {
+			info->flash_id += FLASH_S29GL128N;
+			info->sector_count = 128;
+			info->size = 0x01000000;
+		}
+		else
+			info->flash_id = FLASH_UNKNOWN;
+		break;			/* => 2 MB */
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return 0;		/* => no or unknown flash */
+	}
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00020000);
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+
+	/* check for protected sectors */
+	for (i = 0; i < info->sector_count; i++) {
+		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+		/* D0 = 1 if protected */
+		addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+
+		/* For AMD29033C flash we need to resend the command of *
+		 * reading flash protection for upper 8 Mb of flash     */
+		if (i == 32) {
+			addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+			addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+			addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
+		}
+
+		if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+			info->protect[i] = 0;
+		else
+			info->protect[i] = (CFG_FLASH_CHAR_SIZE)addr2[4] & 1;
+	}
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0;
+	return info->size;
+}
+
+static int wait_for_DQ7_2(flash_info_t * info, int sect)
+{
+	ulong start, now, last;
+	volatile CFG_FLASH_WORD_SIZE *addr =
+	    (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+	start = get_timer(0);
+	last = start;
+	while (((CFG_FLASH_WORD_SIZE)addr[0] & (CFG_FLASH_WORD_SIZE) 0x80808080) !=
+	       (CFG_FLASH_WORD_SIZE) 0x80808080) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf("Timeout\n");
+			return -1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) { /* every second */
+			putc('.');
+			last = now;
+		}
+	}
+	return 0;
+}
+
+static int flash_erase_2(flash_info_t * info, int s_first, int s_last)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+	int i;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		if (info->flash_id == FLASH_UNKNOWN) {
+			printf("- missing\n");
+		} else {
+			printf("- no sectors to erase\n");
+		}
+		return 1;
+	}
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("Can't erase unknown flash type - aborted\n");
+		return 1;
+	}
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+
+	if (prot) {
+		printf("- Warning: %d protected sectors will not be erased!\n",
+		       prot);
+	} else {
+		printf("\n");
+	}
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+				addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080;
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+				addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x50505050;	/* block erase */
+				for (i = 0; i < 50; i++)
+					udelay(1000);	/* wait 1 ms */
+			} else {
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+				addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080;
+				addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+				addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x30303030;	/* sector erase */
+			}
+			l_sect = sect;
+			/*
+			 * Wait for each sector to complete, it's more
+			 * reliable.  According to AMD Spec, you must
+			 * issue all erase commands within a specified
+			 * timeout.  This has been seen to fail, especially
+			 * if printf()s are included (for debug)!!
+			 */
+			wait_for_DQ7_2(info, sect);
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay(1000);
+
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
+	addr[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0; /* reset bank */
+
+	printf(" done\n");
+	return 0;
+}
+
+static int write_word_2(flash_info_t * info, ulong dest, ulong data)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+	ulong start;
+	int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_long *)dest) & data) != data) {
+		return 2;
+	}
+
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		int flag;
+
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+		addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+		addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xA0A0A0A0;
+
+		dest2[i] = data2[i];
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		/* data polling for D7 */
+		start = get_timer(0);
+		while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080) !=
+		       (data2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080)) {
+
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+				return 1;
+			}
+		}
+	}
+
+	return 0;
+}
+
+#endif /* FLASH_BASE1_PRELIM */
diff --git a/board/amcc/taihu/lcd.c b/board/amcc/taihu/lcd.c
new file mode 100644
index 0000000..3d042df
--- /dev/null
+++ b/board/amcc/taihu/lcd.c
@@ -0,0 +1,257 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#define LCD_CMD_ADDR	0x50100002
+#define LCD_DATA_ADDR	0x50100003
+#define LCD_BLK_CTRL	CPLD_REG1_ADDR
+
+static char *amcc_logo = "AMCC 405EP TAIHU EVALUATION KIT";
+static int addr_flag = 0x80;
+
+static void lcd_bl_ctrl(char val)
+{
+	out_8((u8 *) LCD_BLK_CTRL, in_8((u8 *) LCD_BLK_CTRL) | val);
+}
+
+static void lcd_putc(int val)
+{
+	int i = 100;
+	char addr;
+
+	while (i--) {
+		if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
+			udelay(50);
+			break;
+		}
+		udelay(50);
+	}
+
+	if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
+		printf("LCD is busy\n");
+		return;
+	}
+
+	addr = in_8((u8 *) LCD_CMD_ADDR);
+	udelay(50);
+	if ((addr != 0) && (addr % 0x10 == 0)) {
+		addr_flag ^= 0x40;
+		out_8((u8 *) LCD_CMD_ADDR, addr_flag);
+	}
+
+	udelay(50);
+	out_8((u8 *) LCD_DATA_ADDR, val);
+	udelay(50);
+}
+
+static void lcd_puts(char *s)
+{
+	char *p = s;
+	int i = 100;
+
+	while (i--) {
+		if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
+			udelay(50);
+			break;
+		}
+		udelay(50);
+	}
+
+	if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
+		printf("LCD is busy\n");
+		return;
+	}
+
+	while (*p)
+		lcd_putc(*p++);
+}
+
+static void lcd_put_logo(void)
+{
+	int i = 100;
+	char *p = amcc_logo;
+
+	while (i--) {
+		if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
+			udelay(50);
+			break;
+		}
+		udelay(50);
+	}
+
+	if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
+		printf("LCD is busy\n");
+		return;
+	}
+
+	out_8((u8 *) LCD_CMD_ADDR, 0x80);
+	while (*p)
+		lcd_putc(*p++);
+}
+
+int lcd_init(void)
+{
+	puts("LCD: ");
+	out_8((u8 *) LCD_CMD_ADDR, 0x38); /* set function:8-bit,2-line,5x7 font type */
+	udelay(50);
+	out_8((u8 *) LCD_CMD_ADDR, 0x0f); /* set display on,cursor on,blink on */
+	udelay(50);
+	out_8((u8 *) LCD_CMD_ADDR, 0x01); /* display clear */
+	udelay(2000);
+	out_8((u8 *) LCD_CMD_ADDR, 0x06); /* set entry */
+	udelay(50);
+	lcd_bl_ctrl(0x02);		/* set backlight on */
+	lcd_put_logo();
+	puts("ready\n");
+
+	return 0;
+}
+
+static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	out_8((u8 *) LCD_CMD_ADDR, 0x01);
+	udelay(2000);
+
+	return 0;
+}
+
+static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	if (argc < 2) {
+		printf("%s", cmdtp->usage);
+		return 1;
+	}
+	lcd_puts(argv[1]);
+
+	return 0;
+}
+
+static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	if (argc < 2) {
+		printf("%s", cmdtp->usage);
+		return 1;
+	}
+	lcd_putc((char)argv[1][0]);
+
+	return 0;
+}
+
+static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	ulong count;
+	ulong dir;
+	char cur_addr;
+
+	if (argc < 3) {
+		printf("%s", cmdtp->usage);
+		return 1;
+	}
+
+	count = simple_strtoul(argv[1], NULL, 16);
+	if (count > 31) {
+		printf("unable to shift > 0x20\n");
+		count = 0;
+	}
+
+	dir = simple_strtoul(argv[2], NULL, 16);
+	cur_addr = in_8((u8 *) LCD_CMD_ADDR);
+	udelay(50);
+
+	if (dir == 0x0) {
+		if (addr_flag == 0x80) {
+			if (count >= (cur_addr & 0xf)) {
+				out_8((u8 *) LCD_CMD_ADDR, 0x80);
+				udelay(50);
+				count = 0;
+			}
+		} else {
+			if (count >= ((cur_addr & 0x0f) + 0x0f)) {
+				out_8((u8 *) LCD_CMD_ADDR, 0x80);
+				addr_flag = 0x80;
+				udelay(50);
+				count = 0x0;
+			} else if (count >= ( cur_addr & 0xf)) {
+				count -= cur_addr & 0xf ;
+				out_8((u8 *) LCD_CMD_ADDR, 0x80 | 0xf);
+				addr_flag = 0x80;
+				udelay(50);
+			}
+		}
+	} else {
+		if (addr_flag == 0x80) {
+			if (count >= (0x1f - (cur_addr & 0xf))) {
+				count = 0x0;
+				addr_flag = 0xc0;
+				out_8((u8 *) LCD_CMD_ADDR, 0xc0 | 0xf);
+				udelay(50);
+			} else if ((count + (cur_addr & 0xf ))>=  0x0f) {
+				count = count + (cur_addr & 0xf) - 0x0f;
+				addr_flag = 0xc0;
+				out_8((u8 *) LCD_CMD_ADDR, 0xc0);
+				udelay(50);
+			}
+		} else if ((count + (cur_addr & 0xf )) >= 0x0f) {
+			count = 0x0;
+			out_8((u8 *) LCD_CMD_ADDR, 0xC0 | 0x0F);
+			udelay(50);
+		}
+	}
+	while (count--) {
+		if (dir == 0)
+			out_8((u8 *) LCD_CMD_ADDR, 0x10);
+		else
+			out_8((u8 *) LCD_CMD_ADDR, 0x14);
+		udelay(50);
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	lcd_cls, 1, 1, do_lcd_clear,
+	"lcd_cls - lcd clear display\n",
+	NULL
+	);
+
+U_BOOT_CMD(
+	lcd_puts, 2, 1, do_lcd_puts,
+	"lcd_puts - display string on lcd\n",
+	"<string> - <string> to be displayed\n"
+	);
+
+U_BOOT_CMD(
+	lcd_putc, 2, 1, do_lcd_putc,
+	"lcd_putc - display char on lcd\n",
+	"<char> - <char> to be displayed\n"
+	);
+
+U_BOOT_CMD(
+	lcd_cur, 3, 1, do_lcd_cur,
+	"lcd_cur - shift cursor on lcd\n",
+	"<count> <dir> - shift cursor on lcd <count> times, direction is <dir> \n"
+	" <count> - 0..31\n"
+	" <dir>   - 0=backward 1=forward\n"
+	);
diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c
new file mode 100644
index 0000000..ea83671
--- /dev/null
+++ b/board/amcc/taihu/taihu.c
@@ -0,0 +1,240 @@
+/*
+ * (C) Copyright 2000-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2005-2007
+ * Beijing UD Technology Co., Ltd., taihusupport@amcc.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <spi.h>
+#include <asm/gpio.h>
+
+extern int lcd_init(void);
+
+/*
+ * board_early_init_f
+ */
+int board_early_init_f(void)
+{
+	lcd_init();
+
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(uicer, 0x00000000);	/* disable all ints */
+	mtdcr(uiccr, 0x00000000);
+	mtdcr(uicpr, 0xFFFF7F00);	/* set int polarities */
+	mtdcr(uictr, 0x00000000);	/* set int trigger levels */
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */
+
+	mtebc(pb3ap, CFG_EBC_PB3AP);	/* memory bank 3 (CPLD_LCM) initialization */
+	mtebc(pb3cr, CFG_EBC_PB3CR);
+
+	/*
+	 * Configure CPC0_PCI to enable PerWE as output
+	 * and enable the internal PCI arbiter
+	 */
+	mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
+
+	return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+	puts("Board: Taihu - AMCC PPC405EP Evaluation Board");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return 0;
+}
+
+/*************************************************************************
+ *  long int initdram
+ *
+ ************************************************************************/
+long int initdram(int board)
+{
+	return CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS; /* 128Mbytes */
+}
+
+static int do_sw_stat(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[])
+{
+	char stat;
+	int i;
+
+	stat = in_8((u8 *) CPLD_REG0_ADDR);
+	printf("SW2 status: ");
+	for (i=0; i<4; i++) /* 4-position */
+		printf("%d:%s ", i, stat & (0x08 >> i)?"on":"off");
+	printf("\n");
+	return 0;
+}
+
+U_BOOT_CMD (
+	sw2_stat, 1, 1, do_sw_stat,
+	"sw2_stat - show status of switch 2\n",
+	NULL
+	);
+
+static int do_led_ctl(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[])
+{
+	int led_no;
+
+	if (argc != 3) {
+		printf("%s", cmd_tp->usage);
+		return -1;
+	}
+
+	led_no = simple_strtoul(argv[1], NULL, 16);
+	if (led_no != 1 && led_no != 2) {
+		printf("%s", cmd_tp->usage);
+		return -1;
+	}
+
+	if (strcmp(argv[2],"off") == 0x0) {
+		if (led_no == 1)
+			gpio_write_bit(30, 1);
+		else
+			gpio_write_bit(31, 1);
+	} else if (strcmp(argv[2],"on") == 0x0) {
+		if (led_no == 1)
+			gpio_write_bit(30, 0);
+		else
+			gpio_write_bit(31, 0);
+	} else {
+		printf("%s", cmd_tp->usage);
+		return -1;
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD (
+	led_ctl, 3, 1, do_led_ctl,
+	"led_ctl	- make led 1 or 2  on or off\n",
+	"<led_no> <on/off>	-  make led <led_no> on/off,\n"
+	"\tled_no is 1 or 2\t"
+	);
+
+#define SPI_CS_GPIO0	0
+#define SPI_SCLK_GPIO14	14
+#define SPI_DIN_GPIO15	15
+#define SPI_DOUT_GPIO16	16
+
+void spi_scl(int bit)
+{
+	gpio_write_bit(SPI_SCLK_GPIO14, bit);
+}
+
+void spi_sda(int bit)
+{
+	gpio_write_bit(SPI_DOUT_GPIO16, bit);
+}
+
+unsigned char spi_read(void)
+{
+	return (unsigned char)gpio_read_out_bit(SPI_DIN_GPIO15);
+}
+
+void taihu_spi_chipsel(int cs)
+{
+	gpio_write_bit(SPI_CS_GPIO0, cs);
+}
+
+spi_chipsel_type spi_chipsel[]= {
+	taihu_spi_chipsel
+};
+
+int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]);
+
+#ifdef CONFIG_PCI
+static unsigned char int_lines[32] = {
+	29, 30, 27, 28, 29, 30, 25, 27,
+	29, 30, 27, 28, 29, 30, 27, 28,
+	29, 30, 27, 28, 29, 30, 27, 28,
+	29, 30, 27, 28, 29, 30, 27, 28};
+
+static void taihu_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+{
+	unsigned char int_line = int_lines[PCI_DEV(dev) & 31];
+
+	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
+}
+
+int pci_pre_init(struct pci_controller *hose)
+{
+	hose->fixup_irq = taihu_pci_fixup_irq;
+	return 1;
+}
+#endif /* CONFIG_PCI */
+
+#ifdef CFG_DRAM_TEST
+int testdram(void)
+{
+	unsigned long *mem = (unsigned long *)0;
+	const unsigned long kend = (1024 / sizeof(unsigned long));
+	unsigned long k, n;
+	unsigned long msr;
+	unsigned long total_kbytes = CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS / 1024;
+
+	msr = mfmsr();
+	mtmsr(msr & ~(MSR_EE));
+
+	for (k = 0; k < total_kbytes ;
+	     ++k, mem += (1024 / sizeof(unsigned long))) {
+		if ((k & 1023) == 0)
+			printf("%3d MB\r", k / 1024);
+
+		memset(mem, 0xaaaaaaaa, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0xaaaaaaaa) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+
+		memset(mem, 0x55555555, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0x55555555) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+	}
+	printf("SDRAM test passes\n");
+	mtmsr(msr);
+
+	return 0;
+}
+#endif /* CFG_DRAM_TEST */
diff --git a/board/amcc/taihu/u-boot.lds b/board/amcc/taihu/u-boot.lds
new file mode 100644
index 0000000..be03092
--- /dev/null
+++ b/board/amcc/taihu/u-boot.lds
@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/ppc4xx/start.o	(.text)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.o(.text)*/
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/taihu/update.c b/board/amcc/taihu/update.c
new file mode 100644
index 0000000..55ad535
--- /dev/null
+++ b/board/amcc/taihu/update.c
@@ -0,0 +1,132 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <i2c.h>
+
+#define PCI_M66EN 0x10
+
+static uchar buf_33[] =
+{
+	0xb5,	/* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
+	0x80,	/* 0x01~0x03:ptm1ms =0x80000001 */
+	0x00,
+	0x00,
+	0x00,	/* 0x04~0x06:ptm1la = 0x00000000 */
+	0x00,
+	0x00,
+	0x00,	/* 0x07~0x09:ptm2ma = 0x00000000 */
+	0x00,
+	0x00,
+	0x00,	/* 0x0a~0x0c:ptm2la = 0x00000000 */
+	0x00,
+	0x00,
+	0x10,	/* 0x0d~0x0e:vendor id 0x1014*/
+	0x14,
+	0x00,	/* 0x0f~0x10:device id 0x0000*/
+	0x00,
+	0x00,	/* 0x11:revision 0x00 */
+	0x00,	/* 0x12~0x14:class 0x000000 */
+	0x00,
+	0x00,
+	0x10,	/* 0x15~0x16:subsystem vendor id */
+	0xe8,
+	0x00,	/* 0x17~0x18:subsystem device id */
+	0x00,
+	0x61,	/* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
+	0x68,	/* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
+	0x2d,	/* 0x1b: fwdvb=0b101,fwdva=0b101 */
+	0x82,	/* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
+	0xbe,	/* 0x1d: tun[24-31]=0xbe */
+	0x00,
+	0x00
+};
+
+static uchar buf_66[] =
+{
+	0xb5,	/* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/
+	0x80,	/* 0x01~0x03:ptm1ms =0x80000001 */
+	0x00,
+	0x00,
+	0x00,	/* 0x04~0x06:ptm1la = 0x00000000 */
+	0x00,
+	0x00,
+	0x00,	/* 0x07~0x09:ptm2ma = 0x00000000 */
+	0x00,
+	0x00,
+	0x00,	/* 0x0a~0x0c:ptm2la = 0x00000000 */
+	0x00,
+	0x00,
+	0x10,	/* 0x0d~0x0e:vendor id 0x1014*/
+	0x14,
+	0x00,	/* 0x0f~0x10:device id 0x0000*/
+	0x00,
+	0x00,	/* 0x11:revision 0x00 */
+	0x00,	/* 0x12~0x14:class 0x000000 */
+	0x00,
+	0x00,
+	0x10,	/* 0x15~0x16:subsystem vendor id */
+	0xe8,
+	0x00,	/* 0x17~0x18:subsystem device id */
+	0x00,
+	0x61,	/* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */
+	0x68,	/* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */
+	0x2d,	/* 0x1b: fwdvb=0b101,fwdva=0b101 */
+	0x82,	/* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */
+	0xbe,	/* 0x1d: tun[24-31]=0xbe */
+	0x00,
+	0x00
+};
+
+static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *argv[])
+{
+	ulong len = 0x20;
+	uchar chip = CFG_I2C_EEPROM_ADDR;
+	uchar *pbuf;
+	uchar base;
+	int i;
+
+	if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) {
+		pbuf = buf_33;
+		base = 0x00;
+	} else {
+		pbuf = buf_66;
+		base = 0x40;
+	}
+
+	for (i = 0; i< len; i++, base++) {
+		if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) {
+			printf("i2c_write fail\n");
+			return 1;
+		}
+		udelay(11000);
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD (
+	update_boot_eeprom, 1, 1, update_boot_eeprom,
+	"update_boot_eeprom  - update boot eeprom content\n",
+	NULL
+	);
diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c
index 7316c34..d08fcf3 100644
--- a/board/amcc/yucca/yucca.c
+++ b/board/amcc/yucca/yucca.c
@@ -562,6 +562,40 @@ int checkboard (void)
 	return 0;
 }
 
+/*
+ * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * board specific values.
+ */
+static int ppc440spe_rev_a(void)
+{
+	if ((get_pvr() == PVR_440SPe_6_RA) || (get_pvr() == PVR_440SPe_RA))
+		return 1;
+	else
+		return 0;
+}
+
+u32 ddr_wrdtr(u32 default_val) {
+	/*
+	 * Yucca boards with 440SPe rev. A need a slightly different setup
+	 * for the MCIF0_WRDTR register.
+	 */
+	if (ppc440spe_rev_a())
+		return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_270_DEG_ADV);
+
+	return default_val;
+}
+
+u32 ddr_clktr(u32 default_val) {
+	/*
+	 * Yucca boards with 440SPe rev. A need a slightly different setup
+	 * for the MCIF0_CLKTR register.
+	 */
+	if (ppc440spe_rev_a())
+		return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
+
+	return default_val;
+}
+
 #if defined(CFG_DRAM_TEST)
 int testdram (void)
 {