Merge commit 'wd/master'

14 files changed, 2423 insertions, 786 deletions

diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index cebb2ba..32e3f44 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -34,6 +34,7 @@ COBJS-y += adm1021.o
 COBJS-y += ds1621.o
 COBJS-y += ds1722.o
 COBJS-y += ds1775.o
+COBJS-y += lm73.o
 COBJS-y += lm75.o
 COBJS-y += lm81.o
 
diff --git a/drivers/hwmon/ds1775.c b/drivers/hwmon/ds1775.c
index e44cee3..0fbb0b4 100644
--- a/drivers/hwmon/ds1775.c
+++ b/drivers/hwmon/ds1775.c
@@ -25,7 +25,7 @@
 #include <i2c.h>
 #include <dtt.h>
 
-#define DTT_I2C_DEV_CODE 0x49		/* Dallas Semi's DS1775 device code */
+#define DTT_I2C_DEV_CODE	CFG_I2C_DTT_ADDR /* Dallas Semi's DS1775 device code */
 
 int dtt_read(int sensor, int reg)
 {
diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
new file mode 100644
index 0000000..f9ae012
--- /dev/null
+++ b/drivers/hwmon/lm73.c
@@ -0,0 +1,181 @@
+/*
+ * (C) Copyright 2007
+ * Larry Johnson, lrj@acm.org
+ *
+ * based on dtt/lm75.c which is ...
+ *
+ * (C) Copyright 2001
+ * Bill Hunter,  Wave 7 Optics, williamhunter@mediaone.net
+ *
+ * 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
+ */
+
+/*
+ * National Semiconductor LM73 Temperature Sensor
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DTT_LM73
+#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
+	(CFG_EEPROM_PAGE_WRITE_BITS < 1)
+# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than  1 to use CONFIG_DTT_LM73"
+#endif
+
+#include <i2c.h>
+#include <dtt.h>
+
+/*
+ * Device code
+ */
+#define DTT_I2C_DEV_CODE 0x48	/* National Semi's LM73 device */
+
+int dtt_read(int sensor, int reg)
+{
+	int dlen;
+	uchar data[2];
+
+	/*
+	 * Validate 'reg' param and get register size.
+	 */
+	switch (reg) {
+	case DTT_CONFIG:
+	case DTT_CONTROL:
+		dlen = 1;
+		break;
+	case DTT_READ_TEMP:
+	case DTT_TEMP_HIGH:
+	case DTT_TEMP_LOW:
+	case DTT_ID:
+		dlen = 2;
+		break;
+	default:
+		return -1;
+	}
+	/*
+	 * Calculate sensor address and register.
+	 */
+	sensor = DTT_I2C_DEV_CODE + (sensor & 0x07);	/* calculate LM73 addr */
+	/*
+	 * Now try to read the register.
+	 */
+	if (i2c_read(sensor, reg, 1, data, dlen) != 0)
+		return -1;
+	/*
+	 * Handle 2 byte result.
+	 */
+	if (2 == dlen)
+		return ((int)((short)data[1] + (((short)data[0]) << 8)));
+
+	return (int)data[0];
+} /* dtt_read() */
+
+int dtt_write(int sensor, int reg, int val)
+{
+	int dlen;
+	uchar data[2];
+
+	/*
+	 * Validate 'reg' param and handle register size
+	 */
+	switch (reg) {
+	case DTT_CONFIG:
+	case DTT_CONTROL:
+		dlen = 1;
+		data[0] = (char)(val & 0xff);
+		break;
+	case DTT_TEMP_HIGH:
+	case DTT_TEMP_LOW:
+		dlen = 2;
+		data[0] = (char)((val >> 8) & 0xff);	/* MSB first */
+		data[1] = (char)(val & 0xff);
+		break;
+	default:
+		return -1;
+	}
+	/*
+	 * Calculate sensor address and register.
+	 */
+	sensor = DTT_I2C_DEV_CODE + (sensor & 0x07);	/* calculate LM73 addr */
+	/*
+	 * Write value to register.
+	 */
+	return i2c_write(sensor, reg, 1, data, dlen) != 0;
+} /* dtt_write() */
+
+static int _dtt_init(int sensor)
+{
+	int val;
+
+	/*
+	 * Validate the Identification register
+	 */
+	if (0x0190 != dtt_read(sensor, DTT_ID))
+		return 1;
+	/*
+	 * Setup THIGH (upper-limit) and TLOW (lower-limit) registers
+	 */
+	val = CFG_DTT_MAX_TEMP << 7;
+	if (dtt_write(sensor, DTT_TEMP_HIGH, val))
+		return 1;
+
+	val = CFG_DTT_MIN_TEMP << 7;
+	if (dtt_write(sensor, DTT_TEMP_LOW, val))
+		return 1;
+	/*
+	 * Setup configuraton register
+	 */
+	/* config = alert active low, disabled, and reset */
+	val = 0x64;
+	if (dtt_write(sensor, DTT_CONFIG, val))
+		return 1;
+	/*
+	 * Setup control/status register
+	 */
+	/* control = temp resolution 0.25C */
+	val = 0x00;
+	if (dtt_write(sensor, DTT_CONTROL, val))
+		return 1;
+
+	dtt_read(sensor, DTT_CONTROL);	/* clear temperature flags */
+	return 0;
+} /* _dtt_init() */
+
+int dtt_init(void)
+{
+	int i;
+	unsigned char sensors[] = CONFIG_DTT_SENSORS;
+	const char *const header = "DTT:   ";
+
+	for (i = 0; i < sizeof(sensors); i++) {
+		if (_dtt_init(sensors[i]) != 0)
+			printf("%s%d FAILED INIT\n", header, i + 1);
+		else
+			printf("%s%d is %i C\n", header, i + 1,
+			       dtt_get_temp(sensors[i]));
+	}
+	return 0;
+} /* dtt_init() */
+
+int dtt_get_temp(int sensor)
+{
+	return (dtt_read(sensor, DTT_READ_TEMP) + 0x0040) >> 7;
+} /* dtt_get_temp() */
+
+#endif /* CONFIG_DTT_LM73 */
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 95c5e02..952e919 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -29,6 +29,7 @@ COBJS-y += at45.o
 COBJS-y += cfi_flash.o
 COBJS-y += dataflash.o
 COBJS-y += mw_eeprom.o
+COBJS-$(CONFIG_FLASH_CFI_LEGACY) += jedec_flash.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(COBJS:.o=.c)
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 5579a1e..4f61e36 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -42,9 +42,12 @@
 #ifdef	CFG_FLASH_CFI_DRIVER
 
 /*
- * This file implements a Common Flash Interface (CFI) driver for U-Boot.
- * The width of the port and the width of the chips are determined at initialization.
- * These widths are used to calculate the address for access CFI data structures.
+ * This file implements a Common Flash Interface (CFI) driver for
+ * U-Boot.
+ *
+ * The width of the port and the width of the chips are determined at
+ * initialization.  These widths are used to calculate the address for
+ * access CFI data structures.
  *
  * References
  * JEDEC Standard JESD68 - Common Flash Interface (CFI)
@@ -55,7 +58,7 @@
  * AMD/Spansion Application Note: Migration from Single-byte to Three-byte
  *   Device IDs, Publication Number 25538 Revision A, November 8, 2001
  *
- * define CFG_WRITE_SWAPPED_DATA, if you have to swap the Bytes between
+ * Define CFG_WRITE_SWAPPED_DATA, if you have to swap the Bytes between
  * reading and writing ... (yes there is such a Hardware).
  */
 
@@ -98,10 +101,6 @@
 #define AMD_STATUS_TOGGLE		0x40
 #define AMD_STATUS_ERROR		0x20
 
-#define AMD_ADDR_ERASE_START	((info->portwidth == FLASH_CFI_8BIT) ? 0xAAA : 0x555)
-#define AMD_ADDR_START		((info->portwidth == FLASH_CFI_8BIT) ? 0xAAA : 0x555)
-#define AMD_ADDR_ACK		((info->portwidth == FLASH_CFI_8BIT) ? 0x555 : 0x2AA)
-
 #define FLASH_OFFSET_MANUFACTURER_ID	0x00
 #define FLASH_OFFSET_DEVICE_ID		0x01
 #define FLASH_OFFSET_DEVICE_ID2		0x0E
@@ -110,7 +109,8 @@
 #define FLASH_OFFSET_CFI_ALT		0x555
 #define FLASH_OFFSET_CFI_RESP		0x10
 #define FLASH_OFFSET_PRIMARY_VENDOR	0x13
-#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR	0x15	/* extended query table primary addr */
+/* extended query table primary address */
+#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR	0x15
 #define FLASH_OFFSET_WTOUT		0x1F
 #define FLASH_OFFSET_WBTOUT		0x20
 #define FLASH_OFFSET_ETOUT		0x21
@@ -149,16 +149,9 @@ typedef union {
 	unsigned long long ll;
 } cfiword_t;
 
-typedef union {
-	volatile unsigned char *cp;
-	volatile unsigned short *wp;
-	volatile unsigned long *lp;
-	volatile unsigned long long *llp;
-} cfiptr_t;
-
 #define NUM_ERASE_REGIONS	4 /* max. number of erase regions */
 
-static uint flash_offset_cfi[2]={FLASH_OFFSET_CFI,FLASH_OFFSET_CFI_ALT};
+static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT };
 
 /* use CFG_MAX_FLASH_BANKS_DETECT if defined */
 #ifdef CFG_MAX_FLASH_BANKS_DETECT
@@ -176,46 +169,151 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS];		/* FLASH chips info */
 #define CFG_FLASH_CFI_WIDTH	FLASH_CFI_8BIT
 #endif
 
+typedef unsigned long flash_sect_t;
+
+/* CFI standard query structure */
+struct cfi_qry {
+	u8	qry[3];
+	u16	p_id;
+	u16	p_adr;
+	u16	a_id;
+	u16	a_adr;
+	u8	vcc_min;
+	u8	vcc_max;
+	u8	vpp_min;
+	u8	vpp_max;
+	u8	word_write_timeout_typ;
+	u8	buf_write_timeout_typ;
+	u8	block_erase_timeout_typ;
+	u8	chip_erase_timeout_typ;
+	u8	word_write_timeout_max;
+	u8	buf_write_timeout_max;
+	u8	block_erase_timeout_max;
+	u8	chip_erase_timeout_max;
+	u8	dev_size;
+	u16	interface_desc;
+	u16	max_buf_write_size;
+	u8	num_erase_regions;
+	u32	erase_region_info[NUM_ERASE_REGIONS];
+} __attribute__((packed));
+
+struct cfi_pri_hdr {
+	u8	pri[3];
+	u8	major_version;
+	u8	minor_version;
+} __attribute__((packed));
+
+static void flash_write8(u8 value, void *addr)
+{
+	__raw_writeb(value, addr);
+}
+
+static void flash_write16(u16 value, void *addr)
+{
+	__raw_writew(value, addr);
+}
+
+static void flash_write32(u32 value, void *addr)
+{
+	__raw_writel(value, addr);
+}
+
+static void flash_write64(u64 value, void *addr)
+{
+	/* No architectures currently implement __raw_writeq() */
+	*(volatile u64 *)addr = value;
+}
+
+static u8 flash_read8(void *addr)
+{
+	return __raw_readb(addr);
+}
+
+static u16 flash_read16(void *addr)
+{
+	return __raw_readw(addr);
+}
+
+static u32 flash_read32(void *addr)
+{
+	return __raw_readl(addr);
+}
+
+static u64 flash_read64(void *addr)
+{
+	/* No architectures currently implement __raw_readq() */
+	return *(volatile u64 *)addr;
+}
 
 /*-----------------------------------------------------------------------
- * Functions
  */
+#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+static flash_info_t *flash_get_info(ulong base)
+{
+	int i;
+	flash_info_t * info = 0;
 
-typedef unsigned long flash_sect_t;
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		info = & flash_info[i];
+		if (info->size && info->start[0] <= base &&
+		    base <= info->start[0] + info->size - 1)
+			break;
+	}
 
-static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c);
-static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf);
-static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
-static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect);
-static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
-static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
-static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
-static void flash_read_jedec_ids (flash_info_t * info);
-static int flash_detect_cfi (flash_info_t * info);
-static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword);
-static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
-				    ulong tout, char *prompt);
-ulong flash_get_size (ulong base, int banknum);
-#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
-static flash_info_t *flash_get_info(ulong base);
-#endif
-#ifdef CFG_FLASH_USE_BUFFER_WRITE
-static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int len);
+	return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+}
 #endif
 
+unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect)
+{
+	if (sect != (info->sector_count - 1))
+		return info->start[sect + 1] - info->start[sect];
+	else
+		return info->start[0] + info->size - info->start[sect];
+}
+
 /*-----------------------------------------------------------------------
  * create an address based on the offset and the port width
  */
-inline uchar *flash_make_addr (flash_info_t * info, flash_sect_t sect, uint offset)
+static inline void *
+flash_map (flash_info_t * info, flash_sect_t sect, uint offset)
+{
+	unsigned int byte_offset = offset * info->portwidth;
+
+	return map_physmem(info->start[sect] + byte_offset,
+			flash_sector_size(info, sect) - byte_offset,
+			MAP_NOCACHE);
+}
+
+static inline void flash_unmap(flash_info_t *info, flash_sect_t sect,
+		unsigned int offset, void *addr)
 {
-	return ((uchar *) (info->start[sect] + (offset * info->portwidth)));
+	unsigned int byte_offset = offset * info->portwidth;
+
+	unmap_physmem(addr, flash_sector_size(info, sect) - byte_offset);
+}
+
+/*-----------------------------------------------------------------------
+ * make a proper sized command based on the port and chip widths
+ */
+static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf)
+{
+	int i;
+	uchar *cp = (uchar *) cmdbuf;
+
+#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
+	for (i = info->portwidth; i > 0; i--)
+#else
+	for (i = 1; i <= info->portwidth; i++)
+#endif
+		*cp++ = (i & (info->chipwidth - 1)) ? '\0' : cmd;
 }
 
 #ifdef DEBUG
 /*-----------------------------------------------------------------------
  * Debug support
  */
-void print_longlong (char *str, unsigned long long data)
+static void print_longlong (char *str, unsigned long long data)
 {
 	int i;
 	char *cp;
@@ -224,28 +322,25 @@ void print_longlong (char *str, unsigned long long data)
 	for (i = 0; i < 8; i++)
 		sprintf (&str[i * 2], "%2.2x", *cp++);
 }
-static void flash_printqry (flash_info_t * info, flash_sect_t sect)
+
+static void flash_printqry (struct cfi_qry *qry)
 {
-	cfiptr_t cptr;
+	u8 *p = (u8 *)qry;
 	int x, y;
 
-	for (x = 0; x < 0x40; x += 16U / info->portwidth) {
-		cptr.cp =
-			flash_make_addr (info, sect,
-					 x + FLASH_OFFSET_CFI_RESP);
-		debug ("%p : ", cptr.cp);
-		for (y = 0; y < 16; y++) {
-			debug ("%2.2x ", cptr.cp[y]);
-		}
-		debug (" ");
+	for (x = 0; x < sizeof(struct cfi_qry); x += 16) {
+		debug("%02x : ", x);
+		for (y = 0; y < 16; y++)
+			debug("%2.2x ", p[x + y]);
+		debug(" ");
 		for (y = 0; y < 16; y++) {
-			if (cptr.cp[y] >= 0x20 && cptr.cp[y] <= 0x7e) {
-				debug ("%c", cptr.cp[y]);
-			} else {
-				debug (".");
-			}
+			unsigned char c = p[x + y];
+			if (c >= 0x20 && c <= 0x7e)
+				debug("%c", c);
+			else
+				debug(".");
 		}
-		debug ("\n");
+		debug("\n");
 	}
 }
 #endif
@@ -254,192 +349,658 @@ static void flash_printqry (flash_info_t * info, flash_sect_t sect)
 /*-----------------------------------------------------------------------
  * read a character at a port width address
  */
-inline uchar flash_read_uchar (flash_info_t * info, uint offset)
+static inline uchar flash_read_uchar (flash_info_t * info, uint offset)
 {
 	uchar *cp;
+	uchar retval;
 
-	cp = flash_make_addr (info, 0, offset);
+	cp = flash_map (info, 0, offset);
 #if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
-	return (cp[0]);
+	retval = flash_read8(cp);
 #else
-	return (cp[info->portwidth - 1]);
+	retval = flash_read8(cp + info->portwidth - 1);
 #endif
+	flash_unmap (info, 0, offset, cp);
+	return retval;
 }
 
 /*-----------------------------------------------------------------------
- * read a short word by swapping for ppc format.
+ * read a long word by picking the least significant byte of each maximum
+ * port size word. Swap for ppc format.
  */
-ushort flash_read_ushort (flash_info_t * info, flash_sect_t sect, uint offset)
+static ulong flash_read_long (flash_info_t * info, flash_sect_t sect,
+			      uint offset)
 {
 	uchar *addr;
-	ushort retval;
+	ulong retval;
 
 #ifdef DEBUG
 	int x;
 #endif
-	addr = flash_make_addr (info, sect, offset);
+	addr = flash_map (info, sect, offset);
 
 #ifdef DEBUG
-	debug ("ushort addr is at %p info->portwidth = %d\n", addr,
+	debug ("long addr is at %p info->portwidth = %d\n", addr,
 	       info->portwidth);
-	for (x = 0; x < 2 * info->portwidth; x++) {
-		debug ("addr[%x] = 0x%x\n", x, addr[x]);
+	for (x = 0; x < 4 * info->portwidth; x++) {
+		debug ("addr[%x] = 0x%x\n", x, flash_read8(addr + x));
 	}
 #endif
 #if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
-	retval = ((addr[(info->portwidth)] << 8) | addr[0]);
+	retval = ((flash_read8(addr) << 16) |
+		  (flash_read8(addr + info->portwidth) << 24) |
+		  (flash_read8(addr + 2 * info->portwidth)) |
+		  (flash_read8(addr + 3 * info->portwidth) << 8));
 #else
-	retval = ((addr[(2 * info->portwidth) - 1] << 8) |
-		  addr[info->portwidth - 1]);
+	retval = ((flash_read8(addr + 2 * info->portwidth - 1) << 24) |
+		  (flash_read8(addr + info->portwidth - 1) << 16) |
+		  (flash_read8(addr + 4 * info->portwidth - 1) << 8) |
+		  (flash_read8(addr + 3 * info->portwidth - 1)));
 #endif
+	flash_unmap(info, sect, offset, addr);
 
-	debug ("retval = 0x%x\n", retval);
 	return retval;
 }
 
-/*-----------------------------------------------------------------------
- * read a long word by picking the least significant byte of each maximum
- * port size word. Swap for ppc format.
+/*
+ * Write a proper sized command to the correct address
  */
-ulong flash_read_long (flash_info_t * info, flash_sect_t sect, uint offset)
+static void flash_write_cmd (flash_info_t * info, flash_sect_t sect,
+			     uint offset, uchar cmd)
 {
-	uchar *addr;
-	ulong retval;
 
+	void *addr;
+	cfiword_t cword;
+
+	addr = flash_map (info, sect, offset);
+	flash_make_cmd (info, cmd, &cword);
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		debug ("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd,
+		       cword.c, info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+		flash_write8(cword.c, addr);
+		break;
+	case FLASH_CFI_16BIT:
+		debug ("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr,
+		       cmd, cword.w,
+		       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+		flash_write16(cword.w, addr);
+		break;
+	case FLASH_CFI_32BIT:
+		debug ("fwc addr %p cmd %x %8.8lx 32bit x %d bit\n", addr,
+		       cmd, cword.l,
+		       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+		flash_write32(cword.l, addr);
+		break;
+	case FLASH_CFI_64BIT:
 #ifdef DEBUG
-	int x;
+		{
+			char str[20];
+
+			print_longlong (str, cword.ll);
+
+			debug ("fwrite addr %p cmd %x %s 64 bit x %d bit\n",
+			       addr, cmd, str,
+			       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+		}
 #endif
-	addr = flash_make_addr (info, sect, offset);
+		flash_write64(cword.ll, addr);
+		break;
+	}
 
+	/* Ensure all the instructions are fully finished */
+	sync();
+
+	flash_unmap(info, sect, offset, addr);
+}
+
+static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect)
+{
+	flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START);
+	flash_write_cmd (info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static int flash_isequal (flash_info_t * info, flash_sect_t sect,
+			  uint offset, uchar cmd)
+{
+	void *addr;
+	cfiword_t cword;
+	int retval;
+
+	addr = flash_map (info, sect, offset);
+	flash_make_cmd (info, cmd, &cword);
+
+	debug ("is= cmd %x(%c) addr %p ", cmd, cmd, addr);
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		debug ("is= %x %x\n", flash_read8(addr), cword.c);
+		retval = (flash_read8(addr) == cword.c);
+		break;
+	case FLASH_CFI_16BIT:
+		debug ("is= %4.4x %4.4x\n", flash_read16(addr), cword.w);
+		retval = (flash_read16(addr) == cword.w);
+		break;
+	case FLASH_CFI_32BIT:
+		debug ("is= %8.8lx %8.8lx\n", flash_read32(addr), cword.l);
+		retval = (flash_read32(addr) == cword.l);
+		break;
+	case FLASH_CFI_64BIT:
 #ifdef DEBUG
-	debug ("long addr is at %p info->portwidth = %d\n", addr,
-	       info->portwidth);
-	for (x = 0; x < 4 * info->portwidth; x++) {
-		debug ("addr[%x] = 0x%x\n", x, addr[x]);
-	}
-#endif
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
-	retval = (addr[0] << 16) | (addr[(info->portwidth)] << 24) |
-		(addr[(2 * info->portwidth)]) | (addr[(3 * info->portwidth)] << 8);
-#else
-	retval = (addr[(2 * info->portwidth) - 1] << 24) |
-		(addr[(info->portwidth) - 1] << 16) |
-		(addr[(4 * info->portwidth) - 1] << 8) |
-		addr[(3 * info->portwidth) - 1];
+		{
+			char str1[20];
+			char str2[20];
+
+			print_longlong (str1, flash_read64(addr));
+			print_longlong (str2, cword.ll);
+			debug ("is= %s %s\n", str1, str2);
+		}
 #endif
+		retval = (flash_read64(addr) == cword.ll);
+		break;
+	default:
+		retval = 0;
+		break;
+	}
+	flash_unmap(info, sect, offset, addr);
+
 	return retval;
 }
 
+/*-----------------------------------------------------------------------
+ */
+static int flash_isset (flash_info_t * info, flash_sect_t sect,
+			uint offset, uchar cmd)
+{
+	void *addr;
+	cfiword_t cword;
+	int retval;
+
+	addr = flash_map (info, sect, offset);
+	flash_make_cmd (info, cmd, &cword);
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		retval = ((flash_read8(addr) & cword.c) == cword.c);
+		break;
+	case FLASH_CFI_16BIT:
+		retval = ((flash_read16(addr) & cword.w) == cword.w);
+		break;
+	case FLASH_CFI_32BIT:
+		retval = ((flash_read32(addr) & cword.l) == cword.l);
+		break;
+	case FLASH_CFI_64BIT:
+		retval = ((flash_read64(addr) & cword.ll) == cword.ll);
+		break;
+	default:
+		retval = 0;
+		break;
+	}
+	flash_unmap(info, sect, offset, addr);
+
+	return retval;
+}
 
 /*-----------------------------------------------------------------------
  */
-unsigned long flash_init (void)
+static int flash_toggle (flash_info_t * info, flash_sect_t sect,
+			 uint offset, uchar cmd)
 {
-	unsigned long size = 0;
-	int i;
+	void *addr;
+	cfiword_t cword;
+	int retval;
 
-#ifdef CFG_FLASH_PROTECTION
-	char *s = getenv("unlock");
+	addr = flash_map (info, sect, offset);
+	flash_make_cmd (info, cmd, &cword);
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		retval = ((flash_read8(addr) & cword.c) !=
+			  (flash_read8(addr) & cword.c));
+		break;
+	case FLASH_CFI_16BIT:
+		retval = ((flash_read16(addr) & cword.w) !=
+			  (flash_read16(addr) & cword.w));
+		break;
+	case FLASH_CFI_32BIT:
+		retval = ((flash_read32(addr) & cword.l) !=
+			  (flash_read32(addr) & cword.l));
+		break;
+	case FLASH_CFI_64BIT:
+		retval = ((flash_read64(addr) & cword.ll) !=
+			  (flash_read64(addr) & cword.ll));
+		break;
+	default:
+		retval = 0;
+		break;
+	}
+	flash_unmap(info, sect, offset, addr);
+
+	return retval;
+}
+
+/*
+ * flash_is_busy - check to see if the flash is busy
+ *
+ * This routine checks the status of the chip and returns true if the
+ * chip is busy.
+ */
+static int flash_is_busy (flash_info_t * info, flash_sect_t sect)
+{
+	int retval;
+
+	switch (info->vendor) {
+	case CFI_CMDSET_INTEL_STANDARD:
+	case CFI_CMDSET_INTEL_EXTENDED:
+		retval = !flash_isset (info, sect, 0, FLASH_STATUS_DONE);
+		break;
+	case CFI_CMDSET_AMD_STANDARD:
+	case CFI_CMDSET_AMD_EXTENDED:
+#ifdef CONFIG_FLASH_CFI_LEGACY
+	case CFI_CMDSET_AMD_LEGACY:
 #endif
+		retval = flash_toggle (info, sect, 0, AMD_STATUS_TOGGLE);
+		break;
+	default:
+		retval = 0;
+	}
+	debug ("flash_is_busy: %d\n", retval);
+	return retval;
+}
 
-	/* Init: no FLASHes known */
-	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
-		flash_info[i].flash_id = FLASH_UNKNOWN;
-		size += flash_info[i].size = flash_get_size (bank_base[i], i);
-		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
-#ifndef CFG_FLASH_QUIET_TEST
-			printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
-				i+1, flash_info[i].size, flash_info[i].size << 20);
-#endif /* CFG_FLASH_QUIET_TEST */
-		}
-#ifdef CFG_FLASH_PROTECTION
-		else if ((s != NULL) && (strcmp(s, "yes") == 0)) {
-			/*
-			 * Only the U-Boot image and it's environment is protected,
-			 * all other sectors are unprotected (unlocked) if flash
-			 * hardware protection is used (CFG_FLASH_PROTECTION) and
-			 * the environment variable "unlock" is set to "yes".
-			 */
-			if (flash_info[i].legacy_unlock) {
-				int k;
+/*-----------------------------------------------------------------------
+ *  wait for XSR.7 to be set. Time out with an error if it does not.
+ *  This routine does not set the flash to read-array mode.
+ */
+static int flash_status_check (flash_info_t * info, flash_sect_t sector,
+			       ulong tout, char *prompt)
+{
+	ulong start;
 
-				/*
-				 * Disable legacy_unlock temporarily, since
-				 * flash_real_protect would relock all other sectors
-				 * again otherwise.
-				 */
-				flash_info[i].legacy_unlock = 0;
+#if CFG_HZ != 1000
+	tout *= CFG_HZ/1000;
+#endif
 
-				/*
-				 * Legacy unlocking (e.g. Intel J3) -> unlock only one
-				 * sector. This will unlock all sectors.
-				 */
-				flash_real_protect (&flash_info[i], 0, 0);
+	/* Wait for command completion */
+	start = get_timer (0);
+	while (flash_is_busy (info, sector)) {
+		if (get_timer (start) > tout) {
+			printf ("Flash %s timeout at address %lx data %lx\n",
+				prompt, info->start[sector],
+				flash_read_long (info, sector, 0));
+			flash_write_cmd (info, sector, 0, info->cmd_reset);
+			return ERR_TIMOUT;
+		}
+		udelay (1);		/* also triggers watchdog */
+	}
+	return ERR_OK;
+}
 
-				flash_info[i].legacy_unlock = 1;
+/*-----------------------------------------------------------------------
+ * Wait for XSR.7 to be set, if it times out print an error, otherwise
+ * do a full status check.
+ *
+ * This routine sets the flash to read-array mode.
+ */
+static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
+				    ulong tout, char *prompt)
+{
+	int retcode;
 
-				/*
-				 * Manually mark other sectors as unlocked (unprotected)
-				 */
-				for (k = 1; k < flash_info[i].sector_count; k++)
-					flash_info[i].protect[k] = 0;
-			} else {
-				/*
-				 * No legancy unlocking -> unlock all sectors
-				 */
-				flash_protect (FLAG_PROTECT_CLEAR,
-					       flash_info[i].start[0],
-					       flash_info[i].start[0] + flash_info[i].size - 1,
-					       &flash_info[i]);
+	retcode = flash_status_check (info, sector, tout, prompt);
+	switch (info->vendor) {
+	case CFI_CMDSET_INTEL_EXTENDED:
+	case CFI_CMDSET_INTEL_STANDARD:
+		if ((retcode == ERR_OK)
+		    && !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) {
+			retcode = ERR_INVAL;
+			printf ("Flash %s error at address %lx\n", prompt,
+				info->start[sector]);
+			if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS |
+					 FLASH_STATUS_PSLBS)) {
+				puts ("Command Sequence Error.\n");
+			} else if (flash_isset (info, sector, 0,
+						FLASH_STATUS_ECLBS)) {
+				puts ("Block Erase Error.\n");
+				retcode = ERR_NOT_ERASED;
+			} else if (flash_isset (info, sector, 0,
+						FLASH_STATUS_PSLBS)) {
+				puts ("Locking Error\n");
 			}
+			if (flash_isset (info, sector, 0, FLASH_STATUS_DPS)) {
+				puts ("Block locked.\n");
+				retcode = ERR_PROTECTED;
+			}
+			if (flash_isset (info, sector, 0, FLASH_STATUS_VPENS))
+				puts ("Vpp Low Error.\n");
 		}
-#endif /* CFG_FLASH_PROTECTION */
+		flash_write_cmd (info, sector, 0, info->cmd_reset);
+		break;
+	default:
+		break;
 	}
+	return retcode;
+}
 
-	/* Monitor protection ON by default */
-#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
-	flash_protect (FLAG_PROTECT_SET,
-		       CFG_MONITOR_BASE,
-		       CFG_MONITOR_BASE + monitor_flash_len  - 1,
-		       flash_get_info(CFG_MONITOR_BASE));
+/*-----------------------------------------------------------------------
+ */
+static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
+{
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+	unsigned short	w;
+	unsigned int	l;
+	unsigned long long ll;
 #endif
 
-	/* Environment protection ON by default */
-#ifdef CFG_ENV_IS_IN_FLASH
-	flash_protect (FLAG_PROTECT_SET,
-		       CFG_ENV_ADDR,
-		       CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
-		       flash_get_info(CFG_ENV_ADDR));
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		cword->c = c;
+		break;
+	case FLASH_CFI_16BIT:
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+		w = c;
+		w <<= 8;
+		cword->w = (cword->w >> 8) | w;
+#else
+		cword->w = (cword->w << 8) | c;
 #endif
-
-	/* Redundant environment protection ON by default */
-#ifdef CFG_ENV_ADDR_REDUND
-	flash_protect (FLAG_PROTECT_SET,
-		       CFG_ENV_ADDR_REDUND,
-		       CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
-		       flash_get_info(CFG_ENV_ADDR_REDUND));
+		break;
+	case FLASH_CFI_32BIT:
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+		l = c;
+		l <<= 24;
+		cword->l = (cword->l >> 8) | l;
+#else
+		cword->l = (cword->l << 8) | c;
 #endif
-	return (size);
+		break;
+	case FLASH_CFI_64BIT:
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+		ll = c;
+		ll <<= 56;
+		cword->ll = (cword->ll >> 8) | ll;
+#else
+		cword->ll = (cword->ll << 8) | c;
+#endif
+		break;
+	}
+}
+
+/* loop through the sectors from the highest address when the passed
+ * address is greater or equal to the sector address we have a match
+ */
+static flash_sect_t find_sector (flash_info_t * info, ulong addr)
+{
+	flash_sect_t sector;
+
+	for (sector = info->sector_count - 1; sector >= 0; sector--) {
+		if (addr >= info->start[sector])
+			break;
+	}
+	return sector;
 }
 
 /*-----------------------------------------------------------------------
  */
-#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
-static flash_info_t *flash_get_info(ulong base)
+static int flash_write_cfiword (flash_info_t * info, ulong dest,
+				cfiword_t cword)
 {
-	int i;
-	flash_info_t * info = 0;
+	void *dstaddr;
+	int flag;
 
-	for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
-		info = & flash_info[i];
-		if (info->size && info->start[0] <= base &&
-		    base <= info->start[0] + info->size - 1)
+	dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE);
+
+	/* Check if Flash is (sufficiently) erased */
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		flag = ((flash_read8(dstaddr) & cword.c) == cword.c);
+		break;
+	case FLASH_CFI_16BIT:
+		flag = ((flash_read16(dstaddr) & cword.w) == cword.w);
+		break;
+	case FLASH_CFI_32BIT:
+		flag = ((flash_read32(dstaddr) & cword.l) == cword.l);
+		break;
+	case FLASH_CFI_64BIT:
+		flag = ((flash_read64(dstaddr) & cword.ll) == cword.ll);
+		break;
+	default:
+		flag = 0;
+		break;
+	}
+	if (!flag) {
+		unmap_physmem(dstaddr, info->portwidth);
+		return ERR_NOT_ERASED;
+	}
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts ();
+
+	switch (info->vendor) {
+	case CFI_CMDSET_INTEL_EXTENDED:
+	case CFI_CMDSET_INTEL_STANDARD:
+		flash_write_cmd (info, 0, 0, FLASH_CMD_CLEAR_STATUS);
+		flash_write_cmd (info, 0, 0, FLASH_CMD_WRITE);
+		break;
+	case CFI_CMDSET_AMD_EXTENDED:
+	case CFI_CMDSET_AMD_STANDARD:
+#ifdef CONFIG_FLASH_CFI_LEGACY
+	case CFI_CMDSET_AMD_LEGACY:
+#endif
+		flash_unlock_seq (info, 0);
+		flash_write_cmd (info, 0, info->addr_unlock1, AMD_CMD_WRITE);
+		break;
+	}
+
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		flash_write8(cword.c, dstaddr);
+		break;
+	case FLASH_CFI_16BIT:
+		flash_write16(cword.w, dstaddr);
+		break;
+	case FLASH_CFI_32BIT:
+		flash_write32(cword.l, dstaddr);
+		break;
+	case FLASH_CFI_64BIT:
+		flash_write64(cword.ll, dstaddr);
+		break;
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts ();
+
+	unmap_physmem(dstaddr, info->portwidth);
+
+	return flash_full_status_check (info, find_sector (info, dest),
+					info->write_tout, "write");
+}
+
+#ifdef CFG_FLASH_USE_BUFFER_WRITE
+
+static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
+				  int len)
+{
+	flash_sect_t sector;
+	int cnt;
+	int retcode;
+	void *src = cp;
+	void *dst = map_physmem(dest, len, MAP_NOCACHE);
+	void *dst2 = dst;
+	int flag = 0;
+
+	switch (info->portwidth) {
+	case FLASH_CFI_8BIT:
+		cnt = len;
+		break;
+	case FLASH_CFI_16BIT:
+		cnt = len >> 1;
+		break;
+	case FLASH_CFI_32BIT:
+		cnt = len >> 2;
+		break;
+	case FLASH_CFI_64BIT:
+		cnt = len >> 3;
+		break;
+	default:
+		retcode = ERR_INVAL;
+		goto out_unmap;
+	}
+
+	while ((cnt-- > 0) && (flag == 0)) {
+		switch (info->portwidth) {
+		case FLASH_CFI_8BIT:
+			flag = ((flash_read8(dst2) & flash_read8(src)) ==
+				flash_read8(src));
+			src += 1, dst2 += 1;
 			break;
+		case FLASH_CFI_16BIT:
+			flag = ((flash_read16(dst2) & flash_read16(src)) ==
+				flash_read16(src));
+			src += 2, dst2 += 2;
+			break;
+		case FLASH_CFI_32BIT:
+			flag = ((flash_read32(dst2) & flash_read32(src)) ==
+				flash_read32(src));
+			src += 4, dst2 += 4;
+			break;
+		case FLASH_CFI_64BIT:
+			flag = ((flash_read64(dst2) & flash_read64(src)) ==
+				flash_read64(src));
+			src += 8, dst2 += 8;
+			break;
+		}
+	}
+	if (!flag) {
+		retcode = ERR_NOT_ERASED;
+		goto out_unmap;
 	}
 
-	return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+	src = cp;
+	sector = find_sector (info, dest);
+
+	switch (info->vendor) {
+	case CFI_CMDSET_INTEL_STANDARD:
+	case CFI_CMDSET_INTEL_EXTENDED:
+		flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+		flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER);
+		retcode = flash_status_check (info, sector,
+					      info->buffer_write_tout,
+					      "write to buffer");
+		if (retcode == ERR_OK) {
+			/* reduce the number of loops by the width of
+			 * the port */
+			switch (info->portwidth) {
+			case FLASH_CFI_8BIT:
+				cnt = len;
+				break;
+			case FLASH_CFI_16BIT:
+				cnt = len >> 1;
+				break;
+			case FLASH_CFI_32BIT:
+				cnt = len >> 2;
+				break;
+			case FLASH_CFI_64BIT:
+				cnt = len >> 3;
+				break;
+			default:
+				retcode = ERR_INVAL;
+				goto out_unmap;
+			}
+			flash_write_cmd (info, sector, 0, (uchar) cnt - 1);
+			while (cnt-- > 0) {
+				switch (info->portwidth) {
+				case FLASH_CFI_8BIT:
+					flash_write8(flash_read8(src), dst);
+					src += 1, dst += 1;
+					break;
+				case FLASH_CFI_16BIT:
+					flash_write16(flash_read16(src), dst);
+					src += 2, dst += 2;
+					break;
+				case FLASH_CFI_32BIT:
+					flash_write32(flash_read32(src), dst);
+					src += 4, dst += 4;
+					break;
+				case FLASH_CFI_64BIT:
+					flash_write64(flash_read64(src), dst);
+					src += 8, dst += 8;
+					break;
+				default:
+					retcode = ERR_INVAL;
+					goto out_unmap;
+				}
+			}
+			flash_write_cmd (info, sector, 0,
+					 FLASH_CMD_WRITE_BUFFER_CONFIRM);
+			retcode = flash_full_status_check (
+				info, sector, info->buffer_write_tout,
+				"buffer write");
+		}
+
+		break;
+
+	case CFI_CMDSET_AMD_STANDARD:
+	case CFI_CMDSET_AMD_EXTENDED:
+		flash_unlock_seq(info,0);
+		flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_TO_BUFFER);
+
+		switch (info->portwidth) {
+		case FLASH_CFI_8BIT:
+			cnt = len;
+			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
+			while (cnt-- > 0) {
+				flash_write8(flash_read8(src), dst);
+				src += 1, dst += 1;
+			}
+			break;
+		case FLASH_CFI_16BIT:
+			cnt = len >> 1;
+			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
+			while (cnt-- > 0) {
+				flash_write16(flash_read16(src), dst);
+				src += 2, dst += 2;
+			}
+			break;
+		case FLASH_CFI_32BIT:
+			cnt = len >> 2;
+			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
+			while (cnt-- > 0) {
+				flash_write32(flash_read32(src), dst);
+				src += 4, dst += 4;
+			}
+			break;
+		case FLASH_CFI_64BIT:
+			cnt = len >> 3;
+			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
+			while (cnt-- > 0) {
+				flash_write64(flash_read64(src), dst);
+				src += 8, dst += 8;
+			}
+			break;
+		default:
+			retcode = ERR_INVAL;
+			goto out_unmap;
+		}
+
+		flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM);
+		retcode = flash_full_status_check (info, sector,
+						   info->buffer_write_tout,
+						   "buffer write");
+		break;
+
+	default:
+		debug ("Unknown Command Set\n");
+		retcode = ERR_INVAL;
+		break;
+	}
+
+out_unmap:
+	unmap_physmem(dst, len);
+	return retcode;
 }
-#endif
+#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+
 
 /*-----------------------------------------------------------------------
  */
@@ -465,7 +1026,8 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 		}
 	}
 	if (prot) {
-		printf ("- Warning: %d protected sectors will not be erased!\n", prot);
+		printf ("- Warning: %d protected sectors will not be erased!\n",
+			prot);
 	} else {
 		putc ('\n');
 	}
@@ -476,18 +1038,33 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 			switch (info->vendor) {
 			case CFI_CMDSET_INTEL_STANDARD:
 			case CFI_CMDSET_INTEL_EXTENDED:
-				flash_write_cmd (info, sect, 0, FLASH_CMD_CLEAR_STATUS);
-				flash_write_cmd (info, sect, 0, FLASH_CMD_BLOCK_ERASE);
-				flash_write_cmd (info, sect, 0, FLASH_CMD_ERASE_CONFIRM);
+				flash_write_cmd (info, sect, 0,
+						 FLASH_CMD_CLEAR_STATUS);
+				flash_write_cmd (info, sect, 0,
+						 FLASH_CMD_BLOCK_ERASE);
+				flash_write_cmd (info, sect, 0,
+						 FLASH_CMD_ERASE_CONFIRM);
 				break;
 			case CFI_CMDSET_AMD_STANDARD:
 			case CFI_CMDSET_AMD_EXTENDED:
 				flash_unlock_seq (info, sect);
-				flash_write_cmd (info, sect, AMD_ADDR_ERASE_START,
-							AMD_CMD_ERASE_START);
+				flash_write_cmd (info, sect,
+						info->addr_unlock1,
+						AMD_CMD_ERASE_START);
 				flash_unlock_seq (info, sect);
-				flash_write_cmd (info, sect, 0, AMD_CMD_ERASE_SECTOR);
+				flash_write_cmd (info, sect, 0,
+						 AMD_CMD_ERASE_SECTOR);
+				break;
+#ifdef CONFIG_FLASH_CFI_LEGACY
+			case CFI_CMDSET_AMD_LEGACY:
+				flash_unlock_seq (info, 0);
+				flash_write_cmd (info, 0, info->addr_unlock1,
+						AMD_CMD_ERASE_START);
+				flash_unlock_seq (info, 0);
+				flash_write_cmd (info, sect, 0,
+						AMD_CMD_ERASE_SECTOR);
 				break;
+#endif
 			default:
 				debug ("Unkown flash vendor %d\n",
 				       info->vendor);
@@ -516,10 +1093,15 @@ void flash_print_info (flash_info_t * info)
 		return;
 	}
 
-	printf ("CFI conformant FLASH (%d x %d)",
+	printf ("%s FLASH (%d x %d)",
+		info->name,
 		(info->portwidth << 3), (info->chipwidth << 3));
-	printf ("  Size: %ld MB in %d Sectors\n",
-		info->size >> 20, info->sector_count);
+	if (info->size < 1024*1024)
+		printf ("  Size: %ld kB in %d Sectors\n",
+			info->size >> 10, info->sector_count);
+	else
+		printf ("  Size: %ld MB in %d Sectors\n",
+			info->size >> 20, info->sector_count);
 	printf ("  ");
 	switch (info->vendor) {
 		case CFI_CMDSET_INTEL_STANDARD:
@@ -534,6 +1116,11 @@ void flash_print_info (flash_info_t * info)
 		case CFI_CMDSET_AMD_EXTENDED:
 			printf ("AMD Extended");
 			break;
+#ifdef CONFIG_FLASH_CFI_LEGACY
+		case CFI_CMDSET_AMD_LEGACY:
+			printf ("AMD Legacy");
+			break;
+#endif
 		default:
 			printf ("Unknown (%d)", info->vendor);
 			break;
@@ -547,7 +1134,8 @@ void flash_print_info (flash_info_t * info)
 		info->erase_blk_tout,
 		info->write_tout);
 	if (info->buffer_size > 1) {
-		printf ("  Buffer write timeout: %ld ms, buffer size: %d bytes\n",
+		printf ("  Buffer write timeout: %ld ms, "
+			"buffer size: %d bytes\n",
 		info->buffer_write_tout,
 		info->buffer_size);
 	}
@@ -565,10 +1153,7 @@ void flash_print_info (flash_info_t * info)
 		/*
 		 * 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];
+		size = flash_sector_size(info, i);
 		erased = 1;
 		flash = (volatile unsigned long *) info->start[i];
 		size = size >> 2;	/* divide by 4 for longword access */
@@ -603,7 +1188,7 @@ void flash_print_info (flash_info_t * info)
 int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 {
 	ulong wp;
-	ulong cp;
+	uchar *p;
 	int aln;
 	cfiword_t cword;
 	int i, rc;
@@ -612,26 +1197,28 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	int buffered_size;
 #endif
 	/* get lower aligned address */
-	/* get lower aligned address */
 	wp = (addr & ~(info->portwidth - 1));
 
 	/* handle unaligned start */
 	if ((aln = addr - wp) != 0) {
 		cword.l = 0;
-		cp = wp;
-		for (i = 0; i < aln; ++i, ++cp)
-			flash_add_byte (info, &cword, (*(uchar *) cp));
+		p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+		for (i = 0; i < aln; ++i)
+			flash_add_byte (info, &cword, flash_read8(p + i));
 
 		for (; (i < info->portwidth) && (cnt > 0); i++) {
 			flash_add_byte (info, &cword, *src++);
 			cnt--;
-			cp++;
 		}
-		for (; (cnt == 0) && (i < info->portwidth); ++i, ++cp)
-			flash_add_byte (info, &cword, (*(uchar *) cp));
-		if ((rc = flash_write_cfiword (info, wp, cword)) != 0)
+		for (; (cnt == 0) && (i < info->portwidth); ++i)
+			flash_add_byte (info, &cword, flash_read8(p + i));
+
+		rc = flash_write_cfiword (info, wp, cword);
+		unmap_physmem(p, info->portwidth);
+		if (rc != 0)
 			return rc;
-		wp = cp;
+
+		wp += i;
 	}
 
 	/* handle the aligned part */
@@ -682,13 +1269,14 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	 * handle unaligned tail bytes
 	 */
 	cword.l = 0;
-	for (i = 0, cp = wp; (i < info->portwidth) && (cnt > 0); ++i, ++cp) {
+	p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+	for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) {
 		flash_add_byte (info, &cword, *src++);
 		--cnt;
 	}
-	for (; i < info->portwidth; ++i, ++cp) {
-		flash_add_byte (info, &cword, (*(uchar *) cp));
-	}
+	for (; i < info->portwidth; ++i)
+		flash_add_byte (info, &cword, flash_read8(p + i));
+	unmap_physmem(p, info->portwidth);
 
 	return flash_write_cfiword (info, wp, cword);
 }
@@ -740,10 +1328,11 @@ void flash_read_user_serial (flash_info_t * info, void *buffer, int offset,
 	uchar *dst;
 
 	dst = buffer;
-	src = flash_make_addr (info, 0, FLASH_OFFSET_USER_PROTECTION);
+	src = flash_map (info, 0, FLASH_OFFSET_USER_PROTECTION);
 	flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
 	memcpy (dst, src + offset, len);
 	flash_write_cmd (info, 0, 0, info->cmd_reset);
+	flash_unmap(info, 0, FLASH_OFFSET_USER_PROTECTION, src);
 }
 
 /*
@@ -754,418 +1343,310 @@ void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset,
 {
 	uchar *src;
 
-	src = flash_make_addr (info, 0, FLASH_OFFSET_INTEL_PROTECTION);
+	src = flash_map (info, 0, FLASH_OFFSET_INTEL_PROTECTION);
 	flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
 	memcpy (buffer, src + offset, len);
 	flash_write_cmd (info, 0, 0, info->cmd_reset);
+	flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src);
 }
 
 #endif /* CFG_FLASH_PROTECTION */
 
-/*
- * flash_is_busy - check to see if the flash is busy
- * This routine checks the status of the chip and returns true if the chip is busy
+/*-----------------------------------------------------------------------
+ * Reverse the order of the erase regions in the CFI QRY structure.
+ * This is needed for chips that are either a) correctly detected as
+ * top-boot, or b) buggy.
  */
-static int flash_is_busy (flash_info_t * info, flash_sect_t sect)
+static void cfi_reverse_geometry(struct cfi_qry *qry)
 {
-	int retval;
+	unsigned int i, j;
+	u32 tmp;
 
-	switch (info->vendor) {
-	case CFI_CMDSET_INTEL_STANDARD:
-	case CFI_CMDSET_INTEL_EXTENDED:
-		retval = !flash_isset (info, sect, 0, FLASH_STATUS_DONE);
-		break;
-	case CFI_CMDSET_AMD_STANDARD:
-	case CFI_CMDSET_AMD_EXTENDED:
-		retval = flash_toggle (info, sect, 0, AMD_STATUS_TOGGLE);
-		break;
-	default:
-		retval = 0;
+	for (i = 0, j = qry->num_erase_regions - 1; i < j; i++, j--) {
+		tmp = qry->erase_region_info[i];
+		qry->erase_region_info[i] = qry->erase_region_info[j];
+		qry->erase_region_info[j] = tmp;
 	}
-	debug ("flash_is_busy: %d\n", retval);
-	return retval;
 }
 
 /*-----------------------------------------------------------------------
- *  wait for XSR.7 to be set. Time out with an error if it does not.
- *  This routine does not set the flash to read-array mode.
+ * read jedec ids from device and set corresponding fields in info struct
+ *
+ * Note: assume cfi->vendor, cfi->portwidth and cfi->chipwidth are correct
+ *
  */
-static int flash_status_check (flash_info_t * info, flash_sect_t sector,
-			       ulong tout, char *prompt)
+static void cmdset_intel_read_jedec_ids(flash_info_t *info)
 {
-	ulong start;
-
-#if CFG_HZ != 1000
-	tout *= CFG_HZ/1000;
-#endif
-
-	/* Wait for command completion */
-	start = get_timer (0);
-	while (flash_is_busy (info, sector)) {
-		if (get_timer (start) > tout) {
-			printf ("Flash %s timeout at address %lx data %lx\n",
-				prompt, info->start[sector],
-				flash_read_long (info, sector, 0));
-			flash_write_cmd (info, sector, 0, info->cmd_reset);
-			return ERR_TIMOUT;
-		}
-		udelay (1);		/* also triggers watchdog */
-	}
-	return ERR_OK;
+	flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
+	flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID);
+	udelay(1000); /* some flash are slow to respond */
+	info->manufacturer_id = flash_read_uchar (info,
+					FLASH_OFFSET_MANUFACTURER_ID);
+	info->device_id = flash_read_uchar (info,
+					FLASH_OFFSET_DEVICE_ID);
+	flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
 }
 
-/*-----------------------------------------------------------------------
- * Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check.
- * This routine sets the flash to read-array mode.
- */
-static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
-				    ulong tout, char *prompt)
+static int cmdset_intel_init(flash_info_t *info, struct cfi_qry *qry)
 {
-	int retcode;
+	info->cmd_reset = FLASH_CMD_RESET;
 
-	retcode = flash_status_check (info, sector, tout, prompt);
-	switch (info->vendor) {
-	case CFI_CMDSET_INTEL_EXTENDED:
-	case CFI_CMDSET_INTEL_STANDARD:
-		if ((retcode == ERR_OK)
-		    && !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) {
-			retcode = ERR_INVAL;
-			printf ("Flash %s error at address %lx\n", prompt,
-				info->start[sector]);
-			if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)) {
-				puts ("Command Sequence Error.\n");
-			} else if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS)) {
-				puts ("Block Erase Error.\n");
-				retcode = ERR_NOT_ERASED;
-			} else if (flash_isset (info, sector, 0, FLASH_STATUS_PSLBS)) {
-				puts ("Locking Error\n");
-			}
-			if (flash_isset (info, sector, 0, FLASH_STATUS_DPS)) {
-				puts ("Block locked.\n");
-				retcode = ERR_PROTECTED;
-			}
-			if (flash_isset (info, sector, 0, FLASH_STATUS_VPENS))
-				puts ("Vpp Low Error.\n");
-		}
-		flash_write_cmd (info, sector, 0, info->cmd_reset);
-		break;
-	default:
-		break;
+	cmdset_intel_read_jedec_ids(info);
+	flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI);
+
+#ifdef CFG_FLASH_PROTECTION
+	/* read legacy lock/unlock bit from intel flash */
+	if (info->ext_addr) {
+		info->legacy_unlock = flash_read_uchar (info,
+				info->ext_addr + 5) & 0x08;
 	}
-	return retcode;
+#endif
+
+	return 0;
 }
 
-/*-----------------------------------------------------------------------
- */
-static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
+static void cmdset_amd_read_jedec_ids(flash_info_t *info)
 {
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
-	unsigned short	w;
-	unsigned int	l;
-	unsigned long long ll;
-#endif
-
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		cword->c = c;
-		break;
-	case FLASH_CFI_16BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
-		w = c;
-		w <<= 8;
-		cword->w = (cword->w >> 8) | w;
-#else
-		cword->w = (cword->w << 8) | c;
-#endif
-		break;
-	case FLASH_CFI_32BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
-		l = c;
-		l <<= 24;
-		cword->l = (cword->l >> 8) | l;
-#else
-		cword->l = (cword->l << 8) | c;
-#endif
-		break;
-	case FLASH_CFI_64BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
-		ll = c;
-		ll <<= 56;
-		cword->ll = (cword->ll >> 8) | ll;
-#else
-		cword->ll = (cword->ll << 8) | c;
-#endif
-		break;
+	flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
+	flash_unlock_seq(info, 0);
+	flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID);
+	udelay(1000); /* some flash are slow to respond */
+	info->manufacturer_id = flash_read_uchar (info,
+					FLASH_OFFSET_MANUFACTURER_ID);
+	info->device_id = flash_read_uchar (info,
+					FLASH_OFFSET_DEVICE_ID);
+	if (info->device_id == 0x7E) {
+		/* AMD 3-byte (expanded) device ids */
+		info->device_id2 = flash_read_uchar (info,
+					FLASH_OFFSET_DEVICE_ID2);
+		info->device_id2 <<= 8;
+		info->device_id2 |= flash_read_uchar (info,
+					FLASH_OFFSET_DEVICE_ID3);
 	}
+	flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
 }
 
-
-/*-----------------------------------------------------------------------
- * make a proper sized command based on the port and chip widths
- */
-static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf)
+static int cmdset_amd_init(flash_info_t *info, struct cfi_qry *qry)
 {
-	int i;
-	uchar *cp = (uchar *) cmdbuf;
+	info->cmd_reset = AMD_CMD_RESET;
 
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
-	for (i = info->portwidth; i > 0; i--)
-#else
-	for (i = 1; i <= info->portwidth; i++)
-#endif
-		*cp++ = (i & (info->chipwidth - 1)) ? '\0' : cmd;
+	cmdset_amd_read_jedec_ids(info);
+	flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI);
+
+	return 0;
 }
 
-/*
- * Write a proper sized command to the correct address
- */
-static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd)
+#ifdef CONFIG_FLASH_CFI_LEGACY
+static void flash_read_jedec_ids (flash_info_t * info)
 {
+	info->manufacturer_id = 0;
+	info->device_id       = 0;
+	info->device_id2      = 0;
 
-	volatile cfiptr_t addr;
-	cfiword_t cword;
-
-	addr.cp = flash_make_addr (info, sect, offset);
-	flash_make_cmd (info, cmd, &cword);
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		debug ("fwc addr %p cmd %x %x 8bit x %d bit\n", addr.cp, cmd,
-		       cword.c, info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
-		*addr.cp = cword.c;
-		break;
-	case FLASH_CFI_16BIT:
-		debug ("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr.wp,
-		       cmd, cword.w,
-		       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
-		*addr.wp = cword.w;
+	switch (info->vendor) {
+	case CFI_CMDSET_INTEL_STANDARD:
+	case CFI_CMDSET_INTEL_EXTENDED:
+		flash_read_jedec_ids_intel(info);
 		break;
-	case FLASH_CFI_32BIT:
-		debug ("fwc addr %p cmd %x %8.8lx 32bit x %d bit\n", addr.lp,
-		       cmd, cword.l,
-		       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
-		*addr.lp = cword.l;
+	case CFI_CMDSET_AMD_STANDARD:
+	case CFI_CMDSET_AMD_EXTENDED:
+		flash_read_jedec_ids_amd(info);
 		break;
-	case FLASH_CFI_64BIT:
-#ifdef DEBUG
-		{
-			char str[20];
-
-			print_longlong (str, cword.ll);
-
-			debug ("fwrite addr %p cmd %x %s 64 bit x %d bit\n",
-			       addr.llp, cmd, str,
-			       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
-		}
-#endif
-		*addr.llp = cword.ll;
+	default:
 		break;
 	}
-
-	/* Ensure all the instructions are fully finished */
-	sync();
-}
-
-static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect)
-{
-	flash_write_cmd (info, sect, AMD_ADDR_START, AMD_CMD_UNLOCK_START);
-	flash_write_cmd (info, sect, AMD_ADDR_ACK, AMD_CMD_UNLOCK_ACK);
 }
 
 /*-----------------------------------------------------------------------
+ * Call board code to request info about non-CFI flash.
+ * board_flash_get_legacy needs to fill in at least:
+ * info->portwidth, info->chipwidth and info->interface for Jedec probing.
  */
-static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd)
+static int flash_detect_legacy(ulong base, int banknum)
 {
-	cfiptr_t cptr;
-	cfiword_t cword;
-	int retval;
-
-	cptr.cp = flash_make_addr (info, sect, offset);
-	flash_make_cmd (info, cmd, &cword);
+	flash_info_t *info = &flash_info[banknum];
 
-	debug ("is= cmd %x(%c) addr %p ", cmd, cmd, cptr.cp);
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		debug ("is= %x %x\n", cptr.cp[0], cword.c);
-		retval = (cptr.cp[0] == cword.c);
-		break;
-	case FLASH_CFI_16BIT:
-		debug ("is= %4.4x %4.4x\n", cptr.wp[0], cword.w);
-		retval = (cptr.wp[0] == cword.w);
-		break;
-	case FLASH_CFI_32BIT:
-		debug ("is= %8.8lx %8.8lx\n", cptr.lp[0], cword.l);
-		retval = (cptr.lp[0] == cword.l);
-		break;
-	case FLASH_CFI_64BIT:
-#ifdef DEBUG
-		{
-			char str1[20];
-			char str2[20];
+	if (board_flash_get_legacy(base, banknum, info)) {
+		/* board code may have filled info completely. If not, we
+		   use JEDEC ID probing. */
+		if (!info->vendor) {
+			int modes[] = {
+				CFI_CMDSET_AMD_STANDARD,
+				CFI_CMDSET_INTEL_STANDARD
+			};
+			int i;
+
+			for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) {
+				info->vendor = modes[i];
+				info->start[0] = base;
+				if (info->portwidth == FLASH_CFI_8BIT
+					&& info->interface == FLASH_CFI_X8X16) {
+					info->addr_unlock1 = 0x2AAA;
+					info->addr_unlock2 = 0x5555;
+				} else {
+					info->addr_unlock1 = 0x5555;
+					info->addr_unlock2 = 0x2AAA;
+				}
+				flash_read_jedec_ids(info);
+				debug("JEDEC PROBE: ID %x %x %x\n",
+						info->manufacturer_id,
+						info->device_id,
+						info->device_id2);
+				if (jedec_flash_match(info, base))
+					break;
+			}
+		}
 
-			print_longlong (str1, cptr.llp[0]);
-			print_longlong (str2, cword.ll);
-			debug ("is= %s %s\n", str1, str2);
+		switch(info->vendor) {
+		case CFI_CMDSET_INTEL_STANDARD:
+		case CFI_CMDSET_INTEL_EXTENDED:
+			info->cmd_reset = FLASH_CMD_RESET;
+			break;
+		case CFI_CMDSET_AMD_STANDARD:
+		case CFI_CMDSET_AMD_EXTENDED:
+		case CFI_CMDSET_AMD_LEGACY:
+			info->cmd_reset = AMD_CMD_RESET;
+			break;
 		}
-#endif
-		retval = (cptr.llp[0] == cword.ll);
-		break;
-	default:
-		retval = 0;
-		break;
+		info->flash_id = FLASH_MAN_CFI;
+		return 1;
 	}
-	return retval;
+	return 0; /* use CFI */
 }
-
-/*-----------------------------------------------------------------------
- */
-static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd)
+#else
+static inline int flash_detect_legacy(ulong base, int banknum)
 {
-	cfiptr_t cptr;
-	cfiword_t cword;
-	int retval;
-
-	cptr.cp = flash_make_addr (info, sect, offset);
-	flash_make_cmd (info, cmd, &cword);
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		retval = ((cptr.cp[0] & cword.c) == cword.c);
-		break;
-	case FLASH_CFI_16BIT:
-		retval = ((cptr.wp[0] & cword.w) == cword.w);
-		break;
-	case FLASH_CFI_32BIT:
-		retval = ((cptr.lp[0] & cword.l) == cword.l);
-		break;
-	case FLASH_CFI_64BIT:
-		retval = ((cptr.llp[0] & cword.ll) == cword.ll);
-		break;
-	default:
-		retval = 0;
-		break;
-	}
-	return retval;
+	return 0; /* use CFI */
 }
+#endif
 
 /*-----------------------------------------------------------------------
+ * detect if flash is compatible with the Common Flash Interface (CFI)
+ * http://www.jedec.org/download/search/jesd68.pdf
  */
-static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd)
+static void flash_read_cfi (flash_info_t *info, void *buf,
+		unsigned int start, size_t len)
 {
-	cfiptr_t cptr;
-	cfiword_t cword;
-	int retval;
+	u8 *p = buf;
+	unsigned int i;
 
-	cptr.cp = flash_make_addr (info, sect, offset);
-	flash_make_cmd (info, cmd, &cword);
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		retval = ((cptr.cp[0] & cword.c) != (cptr.cp[0] & cword.c));
-		break;
-	case FLASH_CFI_16BIT:
-		retval = ((cptr.wp[0] & cword.w) != (cptr.wp[0] & cword.w));
-		break;
-	case FLASH_CFI_32BIT:
-		retval = ((cptr.lp[0] & cword.l) != (cptr.lp[0] & cword.l));
-		break;
-	case FLASH_CFI_64BIT:
-		retval = ((cptr.llp[0] & cword.ll) !=
-			  (cptr.llp[0] & cword.ll));
-		break;
-	default:
-		retval = 0;
-		break;
-	}
-	return retval;
+	for (i = 0; i < len; i++)
+		p[i] = flash_read_uchar(info, start + i);
 }
 
-/*-----------------------------------------------------------------------
- * read jedec ids from device and set corresponding fields in info struct
- *
- * Note: assume cfi->vendor, cfi->portwidth and cfi->chipwidth are correct
- *
-*/
-static void flash_read_jedec_ids (flash_info_t * info)
+static int __flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry)
 {
-	info->manufacturer_id = 0;
-	info->device_id       = 0;
-	info->device_id2      = 0;
+	int cfi_offset;
 
-	switch (info->vendor) {
-	case CFI_CMDSET_INTEL_STANDARD:
-	case CFI_CMDSET_INTEL_EXTENDED:
-		flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
-		flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID);
-		udelay(1000); /* some flash are slow to respond */
-		info->manufacturer_id = flash_read_uchar (info,
-						FLASH_OFFSET_MANUFACTURER_ID);
-		info->device_id = flash_read_uchar (info,
-						FLASH_OFFSET_DEVICE_ID);
-		flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
-		break;
-	case CFI_CMDSET_AMD_STANDARD:
-	case CFI_CMDSET_AMD_EXTENDED:
-		flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
-		flash_unlock_seq(info, 0);
-		flash_write_cmd(info, 0, AMD_ADDR_START, FLASH_CMD_READ_ID);
-		udelay(1000); /* some flash are slow to respond */
-		info->manufacturer_id = flash_read_uchar (info,
-						FLASH_OFFSET_MANUFACTURER_ID);
-		info->device_id = flash_read_uchar (info,
-						FLASH_OFFSET_DEVICE_ID);
-		if (info->device_id == 0x7E) {
-			/* AMD 3-byte (expanded) device ids */
-			info->device_id2 = flash_read_uchar (info,
-						FLASH_OFFSET_DEVICE_ID2);
-			info->device_id2 <<= 8;
-			info->device_id2 |= flash_read_uchar (info,
-						FLASH_OFFSET_DEVICE_ID3);
+	flash_write_cmd (info, 0, 0, info->cmd_reset);
+	for (cfi_offset=0;
+	     cfi_offset < sizeof(flash_offset_cfi) / sizeof(uint);
+	     cfi_offset++) {
+		flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset],
+				 FLASH_CMD_CFI);
+		if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q')
+		    && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R')
+		    && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) {
+			flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP,
+					sizeof(struct cfi_qry));
+			info->interface	= le16_to_cpu(qry->interface_desc);
+
+			info->cfi_offset = flash_offset_cfi[cfi_offset];
+			debug ("device interface is %d\n",
+			       info->interface);
+			debug ("found port %d chip %d ",
+			       info->portwidth, info->chipwidth);
+			debug ("port %d bits chip %d bits\n",
+			       info->portwidth << CFI_FLASH_SHIFT_WIDTH,
+			       info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
+
+			/* calculate command offsets as in the Linux driver */
+			info->addr_unlock1 = 0x555;
+			info->addr_unlock2 = 0x2aa;
+
+			/*
+			 * modify the unlock address if we are
+			 * in compatibility mode
+			 */
+			if (	/* x8/x16 in x8 mode */
+				((info->chipwidth == FLASH_CFI_BY8) &&
+					(info->interface == FLASH_CFI_X8X16)) ||
+				/* x16/x32 in x16 mode */
+				((info->chipwidth == FLASH_CFI_BY16) &&
+					(info->interface == FLASH_CFI_X16X32)))
+			{
+				info->addr_unlock1 = 0xaaa;
+				info->addr_unlock2 = 0x555;
+			}
+
+			info->name = "CFI conformant";
+			return 1;
 		}
-		flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
-		break;
-	default:
-		break;
 	}
+
+	return 0;
 }
 
-/*-----------------------------------------------------------------------
- * detect if flash is compatible with the Common Flash Interface (CFI)
- * http://www.jedec.org/download/search/jesd68.pdf
- *
-*/
-static int flash_detect_cfi (flash_info_t * info)
+static int flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry)
 {
-	int cfi_offset;
 	debug ("flash detect cfi\n");
 
 	for (info->portwidth = CFG_FLASH_CFI_WIDTH;
 	     info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) {
 		for (info->chipwidth = FLASH_CFI_BY8;
 		     info->chipwidth <= info->portwidth;
-		     info->chipwidth <<= 1) {
-			flash_write_cmd (info, 0, 0, info->cmd_reset);
-			for (cfi_offset=0; cfi_offset < sizeof(flash_offset_cfi)/sizeof(uint); cfi_offset++) {
-				flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset], FLASH_CMD_CFI);
-				if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q')
-				 && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R')
-				 && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) {
-					info->interface = flash_read_ushort (info, 0, FLASH_OFFSET_INTERFACE);
-					info->cfi_offset=flash_offset_cfi[cfi_offset];
-					debug ("device interface is %d\n",
-						info->interface);
-					debug ("found port %d chip %d ",
-						info->portwidth, info->chipwidth);
-					debug ("port %d bits chip %d bits\n",
-						info->portwidth << CFI_FLASH_SHIFT_WIDTH,
-						info->chipwidth << CFI_FLASH_SHIFT_WIDTH);
-					return 1;
-				}
-			}
-		}
+		     info->chipwidth <<= 1)
+			if (__flash_detect_cfi(info, qry))
+				return 1;
 	}
 	debug ("not found\n");
 	return 0;
 }
 
 /*
+ * Manufacturer-specific quirks. Add workarounds for geometry
+ * reversal, etc. here.
+ */
+static void flash_fixup_amd(flash_info_t *info, struct cfi_qry *qry)
+{
+	/* check if flash geometry needs reversal */
+	if (qry->num_erase_regions > 1) {
+		/* reverse geometry if top boot part */
+		if (info->cfi_version < 0x3131) {
+			/* CFI < 1.1, try to guess from device id */
+			if ((info->device_id & 0x80) != 0)
+				cfi_reverse_geometry(qry);
+		} else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) {
+			/* CFI >= 1.1, deduct from top/bottom flag */
+			/* note: ext_addr is valid since cfi_version > 0 */
+			cfi_reverse_geometry(qry);
+		}
+	}
+}
+
+static void flash_fixup_atmel(flash_info_t *info, struct cfi_qry *qry)
+{
+	int reverse_geometry = 0;
+
+	/* Check the "top boot" bit in the PRI */
+	if (info->ext_addr && !(flash_read_uchar(info, info->ext_addr + 6) & 1))
+		reverse_geometry = 1;
+
+	/* AT49BV6416(T) list the erase regions in the wrong order.
+	 * However, the device ID is identical with the non-broken
+	 * AT49BV642D since u-boot only reads the low byte (they
+	 * differ in the high byte.) So leave out this fixup for now.
+	 */
+#if 0
+	if (info->device_id == 0xd6 || info->device_id == 0xd2)
+		reverse_geometry = !reverse_geometry;
+#endif
+
+	if (reverse_geometry)
+		cfi_reverse_geometry(qry);
+}
+
+/*
  * The following code cannot be run from FLASH!
  *
  */
@@ -1180,7 +1661,7 @@ ulong flash_get_size (ulong base, int banknum)
 	uchar num_erase_regions;
 	int erase_region_size;
 	int erase_region_count;
-	int geometry_reversed = 0;
+	struct cfi_qry qry;
 
 	info->ext_addr = 0;
 	info->cfi_version = 0;
@@ -1190,56 +1671,50 @@ ulong flash_get_size (ulong base, int banknum)
 
 	info->start[0] = base;
 
-	if (flash_detect_cfi (info)) {
-		info->vendor = flash_read_ushort (info, 0,
-					FLASH_OFFSET_PRIMARY_VENDOR);
-		flash_read_jedec_ids (info);
-		flash_write_cmd (info, 0, info->cfi_offset, FLASH_CMD_CFI);
-		num_erase_regions = flash_read_uchar (info,
-					FLASH_OFFSET_NUM_ERASE_REGIONS);
-		info->ext_addr = flash_read_ushort (info, 0,
-					FLASH_OFFSET_EXT_QUERY_T_P_ADDR);
+	if (flash_detect_cfi (info, &qry)) {
+		info->vendor = le16_to_cpu(qry.p_id);
+		info->ext_addr = le16_to_cpu(qry.p_adr);
+		num_erase_regions = qry.num_erase_regions;
+
 		if (info->ext_addr) {
 			info->cfi_version = (ushort) flash_read_uchar (info,
 						info->ext_addr + 3) << 8;
 			info->cfi_version |= (ushort) flash_read_uchar (info,
 						info->ext_addr + 4);
 		}
+
 #ifdef DEBUG
-		flash_printqry (info, 0);
+		flash_printqry (&qry);
 #endif
+
 		switch (info->vendor) {
 		case CFI_CMDSET_INTEL_STANDARD:
 		case CFI_CMDSET_INTEL_EXTENDED:
-		default:
-			info->cmd_reset = FLASH_CMD_RESET;
-#ifdef CFG_FLASH_PROTECTION
-			/* read legacy lock/unlock bit from intel flash */
-			if (info->ext_addr) {
-				info->legacy_unlock = flash_read_uchar (info,
-						info->ext_addr + 5) & 0x08;
-			}
-#endif
+			cmdset_intel_init(info, &qry);
 			break;
 		case CFI_CMDSET_AMD_STANDARD:
 		case CFI_CMDSET_AMD_EXTENDED:
-			info->cmd_reset = AMD_CMD_RESET;
-			/* check if flash geometry needs reversal */
-			if (num_erase_regions <= 1)
-				break;
-			/* reverse geometry if top boot part */
-			if (info->cfi_version < 0x3131) {
-				/* CFI < 1.1, try to guess from device id */
-				if ((info->device_id & 0x80) != 0) {
-					geometry_reversed = 1;
-				}
-				break;
-			}
-			/* CFI >= 1.1, deduct from top/bottom flag */
-			/* note: ext_addr is valid since cfi_version > 0 */
-			if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) {
-				geometry_reversed = 1;
-			}
+			cmdset_amd_init(info, &qry);
+			break;
+		default:
+			printf("CFI: Unknown command set 0x%x\n",
+					info->vendor);
+			/*
+			 * Unfortunately, this means we don't know how
+			 * to get the chip back to Read mode. Might
+			 * as well try an Intel-style reset...
+			 */
+			flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
+			return 0;
+		}
+
+		/* Do manufacturer-specific fixups */
+		switch (info->manufacturer_id) {
+		case 0x0001:
+			flash_fixup_amd(info, &qry);
+			break;
+		case 0x001f:
+			flash_fixup_atmel(info, &qry);
 			break;
 		}
 
@@ -1267,26 +1742,27 @@ ulong flash_get_size (ulong base, int banknum)
 					num_erase_regions, NUM_ERASE_REGIONS);
 				break;
 			}
-			if (geometry_reversed)
-				tmp = flash_read_long (info, 0,
-					       FLASH_OFFSET_ERASE_REGIONS +
-					       (num_erase_regions - 1 - i) * 4);
-			else
-				tmp = flash_read_long (info, 0,
-					       FLASH_OFFSET_ERASE_REGIONS +
-					       i * 4);
+
+			tmp = le32_to_cpu(qry.erase_region_info[i]);
+			debug("erase region %u: 0x%08lx\n", i, tmp);
+
+			erase_region_count = (tmp & 0xffff) + 1;
+			tmp >>= 16;
 			erase_region_size =
 				(tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128;
-			tmp >>= 16;
-			erase_region_count = (tmp & 0xffff) + 1;
 			debug ("erase_region_count = %d erase_region_size = %d\n",
 				erase_region_count, erase_region_size);
 			for (j = 0; j < erase_region_count; j++) {
+				if (sect_cnt >= CFG_MAX_FLASH_SECT) {
+					printf("ERROR: too many flash sectors\n");
+					break;
+				}
 				info->start[sect_cnt] = sector;
 				sector += (erase_region_size * size_ratio);
 
 				/*
-				 * Only read protection status from supported devices (intel...)
+				 * Only read protection status from
+				 * supported devices (intel...)
 				 */
 				switch (info->vendor) {
 				case CFI_CMDSET_INTEL_EXTENDED:
@@ -1297,7 +1773,8 @@ ulong flash_get_size (ulong base, int banknum)
 							     FLASH_STATUS_PROTECT);
 					break;
 				default:
-					info->protect[sect_cnt] = 0; /* default: not protected */
+					/* default: not protected */
+					info->protect[sect_cnt] = 0;
 				}
 
 				sect_cnt++;
@@ -1305,20 +1782,27 @@ ulong flash_get_size (ulong base, int banknum)
 		}
 
 		info->sector_count = sect_cnt;
+		info->size = 1 << qry.dev_size;
 		/* multiply the size by the number of chips */
-		info->size = (1 << flash_read_uchar (info, FLASH_OFFSET_SIZE)) * size_ratio;
-		info->buffer_size = (1 << flash_read_ushort (info, 0, FLASH_OFFSET_BUFFER_SIZE));
-		tmp = 1 << flash_read_uchar (info, FLASH_OFFSET_ETOUT);
-		info->erase_blk_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_EMAX_TOUT)));
-		tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WBTOUT)) *
-			(1 << flash_read_uchar (info, FLASH_OFFSET_WBMAX_TOUT));
-		info->buffer_write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */
-		tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WTOUT)) *
-		      (1 << flash_read_uchar (info, FLASH_OFFSET_WMAX_TOUT));
-		info->write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */
+		info->size *= size_ratio;
+		info->buffer_size = 1 << le16_to_cpu(qry.max_buf_write_size);
+		tmp = 1 << qry.block_erase_timeout_typ;
+		info->erase_blk_tout = tmp *
+			(1 << qry.block_erase_timeout_max);
+		tmp = (1 << qry.buf_write_timeout_typ) *
+			(1 << qry.buf_write_timeout_max);
+
+		/* round up when converting to ms */
+		info->buffer_write_tout = (tmp + 999) / 1000;
+		tmp = (1 << qry.word_write_timeout_typ) *
+			(1 << qry.word_write_timeout_max);
+		/* round up when converting to ms */
+		info->write_tout = (tmp + 999) / 1000;
 		info->flash_id = FLASH_MAN_CFI;
-		if ((info->interface == FLASH_CFI_X8X16) && (info->chipwidth == FLASH_CFI_BY8)) {
-			info->portwidth >>= 1;	/* XXX - Need to test on x8/x16 in parallel. */
+		if ((info->interface == FLASH_CFI_X8X16) &&
+		    (info->chipwidth == FLASH_CFI_BY8)) {
+			/* XXX - Need to test on x8/x16 in parallel. */
+			info->portwidth >>= 1;
 		}
 	}
 
@@ -1326,203 +1810,106 @@ ulong flash_get_size (ulong base, int banknum)
 	return (info->size);
 }
 
-/* loop through the sectors from the highest address
- * when the passed address is greater or equal to the sector address
- * we have a match
- */
-static flash_sect_t find_sector (flash_info_t * info, ulong addr)
-{
-	flash_sect_t sector;
-
-	for (sector = info->sector_count - 1; sector >= 0; sector--) {
-		if (addr >= info->start[sector])
-			break;
-	}
-	return sector;
-}
-
 /*-----------------------------------------------------------------------
  */
-static int flash_write_cfiword (flash_info_t * info, ulong dest,
-				cfiword_t cword)
+unsigned long flash_init (void)
 {
-	cfiptr_t ctladdr;
-	cfiptr_t cptr;
-	int flag;
-
-	ctladdr.cp = flash_make_addr (info, 0, 0);
-	cptr.cp = (uchar *) dest;
-
-	/* Check if Flash is (sufficiently) erased */
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		flag = ((cptr.cp[0] & cword.c) == cword.c);
-		break;
-	case FLASH_CFI_16BIT:
-		flag = ((cptr.wp[0] & cword.w) == cword.w);
-		break;
-	case FLASH_CFI_32BIT:
-		flag = ((cptr.lp[0] & cword.l) == cword.l);
-		break;
-	case FLASH_CFI_64BIT:
-		flag = ((cptr.llp[0] & cword.ll) == cword.ll);
-		break;
-	default:
-		return 2;
-	}
-	if (!flag)
-		return 2;
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts ();
+	unsigned long size = 0;
+	int i;
 
-	switch (info->vendor) {
-	case CFI_CMDSET_INTEL_EXTENDED:
-	case CFI_CMDSET_INTEL_STANDARD:
-		flash_write_cmd (info, 0, 0, FLASH_CMD_CLEAR_STATUS);
-		flash_write_cmd (info, 0, 0, FLASH_CMD_WRITE);
-		break;
-	case CFI_CMDSET_AMD_EXTENDED:
-	case CFI_CMDSET_AMD_STANDARD:
-		flash_unlock_seq (info, 0);
-		flash_write_cmd (info, 0, AMD_ADDR_START, AMD_CMD_WRITE);
-		break;
-	}
+#ifdef CFG_FLASH_PROTECTION
+	char *s = getenv("unlock");
+#endif
 
-	switch (info->portwidth) {
-	case FLASH_CFI_8BIT:
-		cptr.cp[0] = cword.c;
-		break;
-	case FLASH_CFI_16BIT:
-		cptr.wp[0] = cword.w;
-		break;
-	case FLASH_CFI_32BIT:
-		cptr.lp[0] = cword.l;
-		break;
-	case FLASH_CFI_64BIT:
-		cptr.llp[0] = cword.ll;
-		break;
-	}
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
 
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts ();
+		if (!flash_detect_legacy (bank_base[i], i))
+			flash_get_size (bank_base[i], i);
+		size += flash_info[i].size;
+		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+#ifndef CFG_FLASH_QUIET_TEST
+			printf ("## Unknown FLASH on Bank %d "
+				"- Size = 0x%08lx = %ld MB\n",
+				i+1, flash_info[i].size,
+				flash_info[i].size << 20);
+#endif /* CFG_FLASH_QUIET_TEST */
+		}
+#ifdef CFG_FLASH_PROTECTION
+		else if ((s != NULL) && (strcmp(s, "yes") == 0)) {
+			/*
+			 * Only the U-Boot image and it's environment
+			 * is protected, all other sectors are
+			 * unprotected (unlocked) if flash hardware
+			 * protection is used (CFG_FLASH_PROTECTION)
+			 * and the environment variable "unlock" is
+			 * set to "yes".
+			 */
+			if (flash_info[i].legacy_unlock) {
+				int k;
 
-	return flash_full_status_check (info, find_sector (info, dest),
-					info->write_tout, "write");
-}
+				/*
+				 * Disable legacy_unlock temporarily,
+				 * since flash_real_protect would
+				 * relock all other sectors again
+				 * otherwise.
+				 */
+				flash_info[i].legacy_unlock = 0;
 
-#ifdef CFG_FLASH_USE_BUFFER_WRITE
+				/*
+				 * Legacy unlocking (e.g. Intel J3) ->
+				 * unlock only one sector. This will
+				 * unlock all sectors.
+				 */
+				flash_real_protect (&flash_info[i], 0, 0);
 
-static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
-				  int len)
-{
-	flash_sect_t sector;
-	int cnt;
-	int retcode;
-	volatile cfiptr_t src;
-	volatile cfiptr_t dst;
+				flash_info[i].legacy_unlock = 1;
 
-	switch (info->vendor) {
-	case CFI_CMDSET_INTEL_STANDARD:
-	case CFI_CMDSET_INTEL_EXTENDED:
-		src.cp = cp;
-		dst.cp = (uchar *) dest;
-		sector = find_sector (info, dest);
-		flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
-		flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER);
-		if ((retcode = flash_status_check (info, sector, info->buffer_write_tout,
-						   "write to buffer")) == ERR_OK) {
-			/* reduce the number of loops by the width of the port	*/
-			switch (info->portwidth) {
-			case FLASH_CFI_8BIT:
-				cnt = len;
-				break;
-			case FLASH_CFI_16BIT:
-				cnt = len >> 1;
-				break;
-			case FLASH_CFI_32BIT:
-				cnt = len >> 2;
-				break;
-			case FLASH_CFI_64BIT:
-				cnt = len >> 3;
-				break;
-			default:
-				return ERR_INVAL;
-				break;
-			}
-			flash_write_cmd (info, sector, 0, (uchar) cnt - 1);
-			while (cnt-- > 0) {
-				switch (info->portwidth) {
-				case FLASH_CFI_8BIT:
-					*dst.cp++ = *src.cp++;
-					break;
-				case FLASH_CFI_16BIT:
-					*dst.wp++ = *src.wp++;
-					break;
-				case FLASH_CFI_32BIT:
-					*dst.lp++ = *src.lp++;
-					break;
-				case FLASH_CFI_64BIT:
-					*dst.llp++ = *src.llp++;
-					break;
-				default:
-					return ERR_INVAL;
-					break;
-				}
+				/*
+				 * Manually mark other sectors as
+				 * unlocked (unprotected)
+				 */
+				for (k = 1; k < flash_info[i].sector_count; k++)
+					flash_info[i].protect[k] = 0;
+			} else {
+				/*
+				 * No legancy unlocking -> unlock all sectors
+				 */
+				flash_protect (FLAG_PROTECT_CLEAR,
+					       flash_info[i].start[0],
+					       flash_info[i].start[0]
+					       + flash_info[i].size - 1,
+					       &flash_info[i]);
 			}
-			flash_write_cmd (info, sector, 0,
-					 FLASH_CMD_WRITE_BUFFER_CONFIRM);
-			retcode = flash_full_status_check (info, sector,
-							   info->buffer_write_tout,
-							   "buffer write");
 		}
-		return retcode;
-
-	case CFI_CMDSET_AMD_STANDARD:
-	case CFI_CMDSET_AMD_EXTENDED:
-		src.cp = cp;
-		dst.cp = (uchar *) dest;
-		sector = find_sector (info, dest);
-
-		flash_unlock_seq(info,0);
-		flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_TO_BUFFER);
+#endif /* CFG_FLASH_PROTECTION */
+	}
 
-		switch (info->portwidth) {
-		case FLASH_CFI_8BIT:
-			cnt = len;
-			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
-			while (cnt-- > 0) *dst.cp++ = *src.cp++;
-			break;
-		case FLASH_CFI_16BIT:
-			cnt = len >> 1;
-			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
-			while (cnt-- > 0) *dst.wp++ = *src.wp++;
-			break;
-		case FLASH_CFI_32BIT:
-			cnt = len >> 2;
-			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
-			while (cnt-- > 0) *dst.lp++ = *src.lp++;
-			break;
-		case FLASH_CFI_64BIT:
-			cnt = len >> 3;
-			flash_write_cmd (info, sector, 0,  (uchar) cnt - 1);
-			while (cnt-- > 0) *dst.llp++ = *src.llp++;
-			break;
-		default:
-			return ERR_INVAL;
-		}
+	/* Monitor protection ON by default */
+#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_MONITOR_BASE,
+		       CFG_MONITOR_BASE + monitor_flash_len  - 1,
+		       flash_get_info(CFG_MONITOR_BASE));
+#endif
 
-		flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM);
-		retcode = flash_full_status_check (info, sector, info->buffer_write_tout,
-						   "buffer write");
-		return retcode;
+	/* Environment protection ON by default */
+#ifdef CFG_ENV_IS_IN_FLASH
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_ENV_ADDR,
+		       CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+		       flash_get_info(CFG_ENV_ADDR));
+#endif
 
-	default:
-		debug ("Unknown Command Set\n");
-		return ERR_INVAL;
-	}
+	/* Redundant environment protection ON by default */
+#ifdef CFG_ENV_ADDR_REDUND
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_ENV_ADDR_REDUND,
+		       CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+		       flash_get_info(CFG_ENV_ADDR_REDUND));
+#endif
+	return (size);
 }
-#endif /* CFG_FLASH_USE_BUFFER_WRITE */
 
 #endif /* CFG_FLASH_CFI */
diff --git a/drivers/mtd/jedec_flash.c b/drivers/mtd/jedec_flash.c
new file mode 100644
index 0000000..94e87cb
--- /dev/null
+++ b/drivers/mtd/jedec_flash.c
@@ -0,0 +1,311 @@
+/*
+ * (C) Copyright 2007
+ * Michael Schwingen, <michael@schwingen.org>
+ *
+ * based in great part on jedec_probe.c from linux kernel:
+ * (C) 2000 Red Hat. GPL'd.
+ * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot 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
+ *
+ */
+
+/* The DEBUG define must be before common to enable debugging */
+/*#define DEBUG*/
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <environment.h>
+
+#define P_ID_AMD_STD CFI_CMDSET_AMD_LEGACY
+
+/* Manufacturers */
+#define MANUFACTURER_AMD	0x0001
+#define MANUFACTURER_SST	0x00BF
+
+/* AMD */
+#define AM29DL800BB	0x22C8
+#define AM29DL800BT	0x224A
+
+#define AM29F800BB	0x2258
+#define AM29F800BT	0x22D6
+#define AM29LV400BB	0x22BA
+#define AM29LV400BT	0x22B9
+#define AM29LV800BB	0x225B
+#define AM29LV800BT	0x22DA
+#define AM29LV160DT	0x22C4
+#define AM29LV160DB	0x2249
+#define AM29F017D	0x003D
+#define AM29F016D	0x00AD
+#define AM29F080	0x00D5
+#define AM29F040	0x00A4
+#define AM29LV040B	0x004F
+#define AM29F032B	0x0041
+#define AM29F002T	0x00B0
+
+/* SST */
+#define SST39LF800	0x2781
+#define SST39LF160	0x2782
+#define SST39VF1601	0x234b
+#define SST39LF512	0x00D4
+#define SST39LF010	0x00D5
+#define SST39LF020	0x00D6
+#define SST39LF040	0x00D7
+#define SST39SF010A	0x00B5
+#define SST39SF020A	0x00B6
+
+
+/*
+ * Unlock address sets for AMD command sets.
+ * Intel command sets use the MTD_UADDR_UNNECESSARY.
+ * Each identifier, except MTD_UADDR_UNNECESSARY, and
+ * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
+ * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
+ * initialization need not require initializing all of the
+ * unlock addresses for all bit widths.
+ */
+enum uaddr {
+	MTD_UADDR_NOT_SUPPORTED = 0,	/* data width not supported */
+	MTD_UADDR_0x0555_0x02AA,
+	MTD_UADDR_0x0555_0x0AAA,
+	MTD_UADDR_0x5555_0x2AAA,
+	MTD_UADDR_0x0AAA_0x0555,
+	MTD_UADDR_DONT_CARE,		/* Requires an arbitrary address */
+	MTD_UADDR_UNNECESSARY,		/* Does not require any address */
+};
+
+
+struct unlock_addr {
+	u32 addr1;
+	u32 addr2;
+};
+
+
+/*
+ * I don't like the fact that the first entry in unlock_addrs[]
+ * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
+ * should not be used.  The  problem is that structures with
+ * initializers have extra fields initialized to 0.  It is _very_
+ * desireable to have the unlock address entries for unsupported
+ * data widths automatically initialized - that means that
+ * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
+ * must go unused.
+ */
+static const struct unlock_addr  unlock_addrs[] = {
+	[MTD_UADDR_NOT_SUPPORTED] = {
+		.addr1 = 0xffff,
+		.addr2 = 0xffff
+	},
+
+	[MTD_UADDR_0x0555_0x02AA] = {
+		.addr1 = 0x0555,
+		.addr2 = 0x02aa
+	},
+
+	[MTD_UADDR_0x0555_0x0AAA] = {
+		.addr1 = 0x0555,
+		.addr2 = 0x0aaa
+	},
+
+	[MTD_UADDR_0x5555_0x2AAA] = {
+		.addr1 = 0x5555,
+		.addr2 = 0x2aaa
+	},
+
+	[MTD_UADDR_0x0AAA_0x0555] = {
+		.addr1 = 0x0AAA,
+		.addr2 = 0x0555
+	},
+
+	[MTD_UADDR_DONT_CARE] = {
+		.addr1 = 0x0000,      /* Doesn't matter which address */
+		.addr2 = 0x0000       /* is used - must be last entry */
+	},
+
+	[MTD_UADDR_UNNECESSARY] = {
+		.addr1 = 0x0000,
+		.addr2 = 0x0000
+	}
+};
+
+
+struct amd_flash_info {
+	const __u16 mfr_id;
+	const __u16 dev_id;
+	const char *name;
+	const int DevSize;
+	const int NumEraseRegions;
+	const int CmdSet;
+	const __u8 uaddr[4];		/* unlock addrs for 8, 16, 32, 64 */
+	const ulong regions[6];
+};
+
+#define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
+
+#define SIZE_64KiB  16
+#define SIZE_128KiB 17
+#define SIZE_256KiB 18
+#define SIZE_512KiB 19
+#define SIZE_1MiB   20
+#define SIZE_2MiB   21
+#define SIZE_4MiB   22
+#define SIZE_8MiB   23
+
+static const struct amd_flash_info jedec_table[] = {
+#ifdef CFG_FLASH_LEGACY_256Kx8
+	{
+		.mfr_id		= MANUFACTURER_SST,
+		.dev_id		= SST39LF020,
+		.name		= "SST 39LF020",
+		.uaddr		= {
+			[0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
+		},
+		.DevSize	= SIZE_256KiB,
+		.CmdSet		= P_ID_AMD_STD,
+		.NumEraseRegions= 1,
+		.regions	= {
+			ERASEINFO(0x01000,64),
+		}
+	},
+#endif
+#ifdef CFG_FLASH_LEGACY_512Kx8
+	{
+		.mfr_id		= MANUFACTURER_AMD,
+		.dev_id		= AM29LV040B,
+		.name		= "AMD AM29LV040B",
+		.uaddr		= {
+			[0] = MTD_UADDR_0x0555_0x02AA /* x8 */
+		},
+		.DevSize	= SIZE_512KiB,
+		.CmdSet		= P_ID_AMD_STD,
+		.NumEraseRegions= 1,
+		.regions	= {
+			ERASEINFO(0x10000,8),
+		}
+	},
+	{
+		.mfr_id		= MANUFACTURER_SST,
+		.dev_id		= SST39LF040,
+		.name		= "SST 39LF040",
+		.uaddr		= {
+			[0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
+		},
+		.DevSize	= SIZE_512KiB,
+		.CmdSet		= P_ID_AMD_STD,
+		.NumEraseRegions= 1,
+		.regions	= {
+			ERASEINFO(0x01000,128),
+		}
+	},
+#endif
+};
+
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+
+static inline void fill_info(flash_info_t *info, const struct amd_flash_info *jedec_entry, ulong base)
+{
+	int i,j;
+	int sect_cnt;
+	int size_ratio;
+	int total_size;
+	enum uaddr uaddr_idx;
+
+	size_ratio = info->portwidth / info->chipwidth;
+
+	debug("Found JEDEC Flash: %s\n", jedec_entry->name);
+	info->vendor = jedec_entry->CmdSet;
+	/* Todo: do we need device-specific timeouts? */
+	info->erase_blk_tout = 30000;
+	info->buffer_write_tout = 1000;
+	info->write_tout = 100;
+	info->name = jedec_entry->name;
+
+	/* copy unlock addresses from device table to CFI info struct. This
+	   is just here because the addresses are in the table anyway - if
+	   the flash is not detected due to wrong unlock addresses,
+	   flash_detect_legacy would have to try all of them before we even
+	   get here. */
+	switch(info->chipwidth) {
+	case FLASH_CFI_8BIT:
+		uaddr_idx = jedec_entry->uaddr[0];
+		break;
+	case FLASH_CFI_16BIT:
+		uaddr_idx = jedec_entry->uaddr[1];
+		break;
+	case FLASH_CFI_32BIT:
+		uaddr_idx = jedec_entry->uaddr[2];
+		break;
+	default:
+		uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
+		break;
+	}
+
+	debug("unlock address index %d\n", uaddr_idx);
+	info->addr_unlock1 = unlock_addrs[uaddr_idx].addr1;
+	info->addr_unlock2 = unlock_addrs[uaddr_idx].addr2;
+	debug("unlock addresses are 0x%x/0x%x\n", info->addr_unlock1, info->addr_unlock2);
+
+	sect_cnt = 0;
+	total_size = 0;
+	for (i = 0; i < jedec_entry->NumEraseRegions; i++) {
+		ulong erase_region_size = jedec_entry->regions[i] >> 8;
+		ulong erase_region_count = (jedec_entry->regions[i] & 0xff) + 1;
+
+		total_size += erase_region_size * erase_region_count;
+		debug ("erase_region_count = %d erase_region_size = %d\n",
+		       erase_region_count, erase_region_size);
+		for (j = 0; j < erase_region_count; j++) {
+			if (sect_cnt >= CFG_MAX_FLASH_SECT) {
+				printf("ERROR: too many flash sectors\n");
+				break;
+			}
+			info->start[sect_cnt] = base;
+			base += (erase_region_size * size_ratio);
+			sect_cnt++;
+		}
+	}
+	info->sector_count = sect_cnt;
+	info->size = total_size * size_ratio;
+}
+
+/*-----------------------------------------------------------------------
+ * match jedec ids against table. If a match is found, fill flash_info entry
+ */
+int jedec_flash_match(flash_info_t *info, ulong base)
+{
+	int ret = 0;
+	int i;
+	ulong mask = 0xFFFF;
+	if (info->chipwidth == 1)
+		mask = 0xFF;
+
+	for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
+		if ((jedec_table[i].mfr_id & mask) == (info->manufacturer_id & mask) &&
+		    (jedec_table[i].dev_id & mask) == (info->device_id & mask)) {
+			fill_info(info, &jedec_table[i], base);
+			ret = 1;
+			break;
+		}
+	}
+	return ret;
+}
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 1e77884..68e45e1 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -112,6 +112,29 @@ fsl_pci_init(struct pci_controller *hose)
 		pci_hose_read_config_word(hose, dev, PCI_LTSSM, &ltssm);
 		enabled = ltssm >= PCI_LTSSM_L0;
 
+#ifdef CONFIG_FSL_PCIE_RESET
+		if (ltssm == 1) {
+			int i;
+			debug("....PCIe link error. "
+			      "LTSSM=0x%02x.", ltssm);
+			pci->pdb_stat |= 0x08000000; /* assert PCIe reset */
+			temp32 = pci->pdb_stat;
+			udelay(100);
+			debug("  Asserting PCIe reset @%x = %x\n",
+			      &pci->pdb_stat, pci->pdb_stat);
+			pci->pdb_stat &= ~0x08000000; /* clear reset */
+			asm("sync;isync");
+			for (i=0; i<100 && ltssm < PCI_LTSSM_L0; i++) {
+				pci_hose_read_config_word(hose, dev, PCI_LTSSM,
+							&ltssm);
+				udelay(1000);
+				debug("....PCIe link error. "
+				      "LTSSM=0x%02x.\n", ltssm);
+			}
+			enabled = ltssm >= PCI_LTSSM_L0;
+		}
+#endif
+
 		if (!enabled) {
 			debug("....PCIE link error.  Skipping scan."
 			      "LTSSM=0x%02x\n", ltssm);
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 55528c8..bba1ab8 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -30,6 +30,7 @@ COBJS-y += pxa_pcmcia.o
 COBJS-y += rpx_pcmcia.o
 COBJS-y += ti_pci1410a.o
 COBJS-y += tqm8xx_pcmcia.o
+COBJS-y += marubun_pcmcia.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(COBJS:.o=.c)
diff --git a/drivers/pcmcia/marubun_pcmcia.c b/drivers/pcmcia/marubun_pcmcia.c
new file mode 100644
index 0000000..7b112af
--- /dev/null
+++ b/drivers/pcmcia/marubun_pcmcia.c
@@ -0,0 +1,113 @@
+/*
+ * Marubun MR-SHPC-01 PCMCIA controller device driver
+ *
+ * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * 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 <config.h>
+#include <pcmcia.h>
+#include <asm/io.h>
+
+#if	(CONFIG_COMMANDS & CFG_CMD_PCMCIA)
+#define	CONFIG_PCMCIA
+#endif
+
+#if	(CONFIG_COMMANDS & CFG_CMD_IDE)
+#define	CONFIG_PCMCIA
+#endif
+
+#if	defined(CONFIG_PCMCIA)  \
+	        && (defined(CONFIG_MARUBUN_PCCARD))
+
+/* MR-SHPC-01 register */
+#define MRSHPC_MODE   	(CFG_MARUBUN_MRSHPC + 4)
+#define MRSHPC_OPTION   (CFG_MARUBUN_MRSHPC + 6)
+#define MRSHPC_CSR      (CFG_MARUBUN_MRSHPC + 8)
+#define MRSHPC_ISR      (CFG_MARUBUN_MRSHPC + 10)
+#define MRSHPC_ICR      (CFG_MARUBUN_MRSHPC + 12)
+#define MRSHPC_CPWCR    (CFG_MARUBUN_MRSHPC + 14)
+#define MRSHPC_MW0CR1   (CFG_MARUBUN_MRSHPC + 16)
+#define MRSHPC_MW1CR1   (CFG_MARUBUN_MRSHPC + 18)
+#define MRSHPC_IOWCR1   (CFG_MARUBUN_MRSHPC + 20)
+#define MRSHPC_MW0CR2   (CFG_MARUBUN_MRSHPC + 22)
+#define MRSHPC_MW1CR2   (CFG_MARUBUN_MRSHPC + 24)
+#define MRSHPC_IOWCR2   (CFG_MARUBUN_MRSHPC + 26)
+#define MRSHPC_CDCR     (CFG_MARUBUN_MRSHPC + 28)
+#define MRSHPC_PCIC_INFO (CFG_MARUBUN_MRSHPC + 30)
+
+int pcmcia_on (void)
+{
+	printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
+
+	/* Init */
+	outw( 0x0000 , MRSHPC_MODE );
+
+	if ((inw(MRSHPC_CSR) & 0x000c) == 0){	/* if card detect is true */
+		if ((inw(MRSHPC_CSR) & 0x0080) == 0){
+			outw(0x0674 ,MRSHPC_CPWCR);  /* Card Vcc is 3.3v? */
+		}else{
+			outw(0x0678 ,MRSHPC_CPWCR);  /* Card Vcc is 5V */
+		}
+		udelay( 100000 );   /* wait for power on */
+	}else{
+		return 1;
+	}
+	/*
+	 *	PC-Card window open
+	 *	flag == COMMON/ATTRIBUTE/IO
+	 */
+	/* common window open */
+	outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
+	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
+		outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
+	else
+		outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */
+
+	/* attribute window open */
+	outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
+	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
+		outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
+	else
+		outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */
+
+	/* I/O window open */
+	outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
+	outw(0x0008,MRSHPC_CDCR);   /* I/O card mode */
+	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
+		outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
+	else
+		outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */
+
+	outw(0x0000,MRSHPC_ISR);
+	outw(0x2000,MRSHPC_ICR);
+	outb(0x00,(CFG_MARUBUN_MW2 + 0x206));
+	outb(0x42,(CFG_MARUBUN_MW2 + 0x200));
+
+	return 0;
+}
+
+int pcmcia_off (void)
+{
+	printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
+
+	return 0;
+}
+
+#endif /* CONFIG_MARUBUN_PCCARD */
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 4a22b0d..e5ee611 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -40,6 +40,7 @@ COBJS-y += ds164x.o
 COBJS-y += ds174x.o
 COBJS-y += ds3231.o
 COBJS-y += m41t11.o
+COBJS-y += m41t60.o
 COBJS-y += max6900.o
 COBJS-y += m48t35ax.o
 COBJS-y += mc146818.o
@@ -50,6 +51,7 @@ COBJS-y += pcf8563.o
 COBJS-y += s3c24x0_rtc.o
 COBJS-y += rs5c372.o
 COBJS-y += mcfrtc.o
+COBJS-y += x1205.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/rtc/m41t60.c b/drivers/rtc/m41t60.c
new file mode 100644
index 0000000..7c80143
--- /dev/null
+++ b/drivers/rtc/m41t60.c
@@ -0,0 +1,261 @@
+/*
+ * (C) Copyright 2007
+ * Larry Johnson, lrj@acm.org
+ *
+ * based on rtc/m41t11.c which is ...
+ *
+ * (C) Copyright 2002
+ * Andrew May, Viasat Inc, amay@viasat.com
+ *
+ * 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
+ */
+
+/*
+ * STMicroelectronics M41T60 serial access real-time clock
+ */
+
+/* #define DEBUG 1 */
+
+#include <common.h>
+#include <command.h>
+#include <rtc.h>
+#include <i2c.h>
+
+#if defined(CONFIG_RTC_M41T60) && defined(CFG_I2C_RTC_ADDR) && \
+	defined(CONFIG_CMD_DATE)
+
+static unsigned bcd2bin(uchar n)
+{
+	return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F));
+}
+
+static unsigned char bin2bcd(unsigned int n)
+{
+	return (((n / 10) << 4) | (n % 10));
+}
+
+/*
+ * Convert between century and "century bits" (CB1 and CB0).  These routines
+ * assume years are in the range 1900 - 2299.
+ */
+
+static unsigned char year2cb(unsigned const year)
+{
+	if (year < 1900 || year >= 2300)
+		printf("M41T60 RTC: year %d out of range\n", year);
+
+	return (year / 100) & 0x3;
+}
+
+static unsigned cb2year(unsigned const cb)
+{
+	return 1900 + 100 * ((cb + 1) & 0x3);
+}
+
+/*
+ * These are simple defines for the chip local to here so they aren't too
+ * verbose.  DAY/DATE aren't nice but that is how they are on the data sheet.
+ */
+#define RTC_SEC		0x0
+#define RTC_MIN		0x1
+#define RTC_HOUR	0x2
+#define RTC_DAY		0x3
+#define RTC_DATE	0x4
+#define RTC_MONTH	0x5
+#define RTC_YEAR	0x6
+
+#define RTC_REG_CNT	7
+
+#define RTC_CTRL	0x7
+
+#if defined(DEBUG)
+static void rtc_dump(char const *const label)
+{
+	uchar data[8];
+
+	if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+		printf("I2C read failed in rtc_dump()\n");
+		return;
+	}
+	printf("RTC dump %s: %02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X\n",
+	       label, data[0], data[1], data[2], data[3],
+	       data[4], data[5], data[6], data[7]);
+}
+#else
+#define rtc_dump(label)
+#endif
+
+static uchar *rtc_validate(void)
+{
+	/*
+	 * This routine uses the OUT bit and the validity of the time values to
+	 * determine whether there has been an initial power-up since the last
+	 * time the routine was run.  It assumes that the OUT bit is not being
+	 * used for any other purpose.
+	 */
+	static const uchar daysInMonth[0x13] = {
+		0x00, 0x31, 0x29, 0x31, 0x30, 0x31, 0x30, 0x31,
+		0x31, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x31, 0x30, 0x31
+	};
+	static uchar data[8];
+	uchar min, date, month, years;
+
+	rtc_dump("begin validate");
+	if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+		printf("I2C read failed in rtc_validate()\n");
+		return 0;
+	}
+	/*
+	 * If the OUT bit is "1", there has been a loss of power, so stop the
+	 * oscillator so it can be "kick-started" as per data sheet.
+	 */
+	if (0x00 != (data[RTC_CTRL] & 0x80)) {
+		printf("M41T60 RTC clock lost power.\n");
+		data[RTC_SEC] = 0x80;
+		if (i2c_write(CFG_I2C_RTC_ADDR, RTC_SEC, 1, data, 1)) {
+			printf("I2C write failed in rtc_validate()\n");
+			return 0;
+		}
+	}
+	/*
+	 * If the oscillator is stopped or the date is invalid, then reset the
+	 * OUT bit to "0", reset the date registers, and start the oscillator.
+	 */
+	min = data[RTC_MIN] & 0x7F;
+	date = data[RTC_DATE];
+	month = data[RTC_MONTH] & 0x3F;
+	years = data[RTC_YEAR];
+	if (0x59 < data[RTC_SEC] || 0x09 < (data[RTC_SEC] & 0x0F) ||
+	    0x59 < min || 0x09 < (min & 0x0F) ||
+	    0x23 < data[RTC_HOUR] || 0x09 < (data[RTC_HOUR] & 0x0F) ||
+	    0x07 < data[RTC_DAY] || 0x00 == data[RTC_DAY] ||
+	    0x12 < month ||
+	    0x99 < years || 0x09 < (years & 0x0F) ||
+	    daysInMonth[month] < date || 0x09 < (date & 0x0F) || 0x00 == date ||
+	    (0x29 == date && 0x02 == month &&
+	     ((0x00 != (years & 0x03)) ||
+	      (0x00 == years && 0x00 != (data[RTC_MONTH] & 0xC0))))) {
+		printf("Resetting M41T60 RTC clock.\n");
+		/*
+		 * Set to 00:00:00 1900-01-01 (Monday)
+		 */
+		data[RTC_SEC] = 0x00;
+		data[RTC_MIN] &= 0x80;	/* preserve OFIE bit */
+		data[RTC_HOUR] = 0x00;
+		data[RTC_DAY] = 0x02;
+		data[RTC_DATE] = 0x01;
+		data[RTC_MONTH] = 0xC1;
+		data[RTC_YEAR] = 0x00;
+		data[RTC_CTRL] &= 0x7F;	/* reset OUT bit */
+
+		if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+			printf("I2C write failed in rtc_validate()\n");
+			return 0;
+		}
+	}
+	return data;
+}
+
+void rtc_get(struct rtc_time *tmp)
+{
+	uchar const *const data = rtc_validate();
+
+	if (!data)
+		return;
+
+	tmp->tm_sec = bcd2bin(data[RTC_SEC] & 0x7F);
+	tmp->tm_min = bcd2bin(data[RTC_MIN] & 0x7F);
+	tmp->tm_hour = bcd2bin(data[RTC_HOUR] & 0x3F);
+	tmp->tm_mday = bcd2bin(data[RTC_DATE] & 0x3F);
+	tmp->tm_mon = bcd2bin(data[RTC_MONTH] & 0x1F);
+	tmp->tm_year = cb2year(data[RTC_MONTH] >> 6) + bcd2bin(data[RTC_YEAR]);
+	tmp->tm_wday = bcd2bin(data[RTC_DAY] & 0x07) - 1;
+	tmp->tm_yday = 0;
+	tmp->tm_isdst = 0;
+
+	debug("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+	      tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+	      tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+}
+
+void rtc_set(struct rtc_time *tmp)
+{
+	uchar *const data = rtc_validate();
+
+	if (!data)
+		return;
+
+	debug("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+	      tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+	      tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+	data[RTC_SEC] = (data[RTC_SEC] & 0x80) | (bin2bcd(tmp->tm_sec) & 0x7F);
+	data[RTC_MIN] = (data[RTC_MIN] & 0X80) | (bin2bcd(tmp->tm_min) & 0X7F);
+	data[RTC_HOUR] = bin2bcd(tmp->tm_hour) & 0x3F;
+	data[RTC_DATE] = bin2bcd(tmp->tm_mday) & 0x3F;
+	data[RTC_MONTH] = bin2bcd(tmp->tm_mon) & 0x1F;
+	data[RTC_YEAR] = bin2bcd(tmp->tm_year % 100);
+	data[RTC_MONTH] |= year2cb(tmp->tm_year) << 6;
+	data[RTC_DAY] = bin2bcd(tmp->tm_wday + 1) & 0x07;
+	if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, data, RTC_REG_CNT)) {
+		printf("I2C write failed in rtc_set()\n");
+		return;
+	}
+}
+
+void rtc_reset(void)
+{
+	uchar *const data = rtc_validate();
+	char const *const s = getenv("rtccal");
+
+	if (!data)
+		return;
+
+	rtc_dump("begin reset");
+	/*
+	 * If environmental variable "rtccal" is present, it must be a hex value
+	 * between 0x00 and 0x3F, inclusive.  The five least-significan bits
+	 * represent the calibration magnitude, and the sixth bit the sign bit.
+	 * If these do not match the contents of the hardware register, that
+	 * register is updated.  The value 0x00 imples no correction.  Consult
+	 * the M41T60 documentation for further details.
+	 */
+	if (s) {
+		unsigned long const l = simple_strtoul(s, 0, 16);
+
+		if (l <= 0x3F) {
+			if ((data[RTC_CTRL] & 0x3F) != l) {
+				printf("Setting RTC calibration to 0x%02X\n",
+				       l);
+				data[RTC_CTRL] &= 0xC0;
+				data[RTC_CTRL] |= (uchar) l;
+			}
+		} else
+			printf("environment parameter \"rtccal\" not valid: "
+			       "ignoring\n");
+	}
+	/*
+	 * Turn off frequency test.
+	 */
+	data[RTC_CTRL] &= 0xBF;
+	if (i2c_write(CFG_I2C_RTC_ADDR, RTC_CTRL, 1, data + RTC_CTRL, 1)) {
+		printf("I2C write failed in rtc_reset()\n");
+		return;
+	}
+	rtc_dump("end reset");
+}
+#endif /* CONFIG_RTC_M41T60 && CFG_I2C_RTC_ADDR && CONFIG_CMD_DATE */
diff --git a/drivers/rtc/x1205.c b/drivers/rtc/x1205.c
new file mode 100644
index 0000000..319f051
--- /dev/null
+++ b/drivers/rtc/x1205.c
@@ -0,0 +1,178 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * based on a the Linux rtc-x1207.c driver which is:
+ *	Copyright 2004 Karen Spearel
+ *	Copyright 2005 Alessandro Zummo
+ *
+ * Information and datasheet:
+ * http://www.intersil.com/cda/deviceinfo/0,1477,X1205,00.html
+ *
+ * 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
+ */
+
+/*
+ * Date & Time support for Xicor/Intersil X1205 RTC
+ */
+
+/* #define	DEBUG	*/
+
+#include <common.h>
+#include <command.h>
+#include <rtc.h>
+#include <i2c.h>
+#include <bcd.h>
+
+#if defined(CONFIG_RTC_X1205) && defined(CONFIG_CMD_DATE)
+
+#define CCR_SEC			0
+#define CCR_MIN			1
+#define CCR_HOUR		2
+#define CCR_MDAY		3
+#define CCR_MONTH		4
+#define CCR_YEAR		5
+#define CCR_WDAY		6
+#define CCR_Y2K			7
+
+#define X1205_REG_SR		0x3F	/* status register */
+#define X1205_REG_Y2K		0x37
+#define X1205_REG_DW		0x36
+#define X1205_REG_YR		0x35
+#define X1205_REG_MO		0x34
+#define X1205_REG_DT		0x33
+#define X1205_REG_HR		0x32
+#define X1205_REG_MN		0x31
+#define X1205_REG_SC		0x30
+#define X1205_REG_DTR		0x13
+#define X1205_REG_ATR		0x12
+#define X1205_REG_INT		0x11
+#define X1205_REG_0		0x10
+#define X1205_REG_Y2K1		0x0F
+#define X1205_REG_DWA1		0x0E
+#define X1205_REG_YRA1		0x0D
+#define X1205_REG_MOA1		0x0C
+#define X1205_REG_DTA1		0x0B
+#define X1205_REG_HRA1		0x0A
+#define X1205_REG_MNA1		0x09
+#define X1205_REG_SCA1		0x08
+#define X1205_REG_Y2K0		0x07
+#define X1205_REG_DWA0		0x06
+#define X1205_REG_YRA0		0x05
+#define X1205_REG_MOA0		0x04
+#define X1205_REG_DTA0		0x03
+#define X1205_REG_HRA0		0x02
+#define X1205_REG_MNA0		0x01
+#define X1205_REG_SCA0		0x00
+
+#define X1205_CCR_BASE		0x30	/* Base address of CCR */
+#define X1205_ALM0_BASE		0x00	/* Base address of ALARM0 */
+
+#define X1205_SR_RTCF		0x01	/* Clock failure */
+#define X1205_SR_WEL		0x02	/* Write Enable Latch */
+#define X1205_SR_RWEL		0x04	/* Register Write Enable */
+
+#define X1205_DTR_DTR0		0x01
+#define X1205_DTR_DTR1		0x02
+#define X1205_DTR_DTR2		0x04
+
+#define X1205_HR_MIL		0x80	/* Set in ccr.hour for 24 hr mode */
+
+static void rtc_write(int reg, u8 val)
+{
+	i2c_write(CFG_I2C_RTC_ADDR, reg, 2, &val, 1);
+}
+
+/*
+ * In the routines that deal directly with the x1205 hardware, we use
+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch
+ * Epoch is initialized as 2000. Time is set to UTC.
+ */
+void rtc_get(struct rtc_time *tm)
+{
+	u8 buf[8];
+
+	i2c_read(CFG_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8);
+
+	debug("%s: raw read data - sec=%02x, min=%02x, hr=%02x, "
+	      "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n",
+	      __FUNCTION__,
+	      buf[0], buf[1], buf[2], buf[3],
+	      buf[4], buf[5], buf[6], buf[7]);
+
+	tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
+	tm->tm_min = BCD2BIN(buf[CCR_MIN]);
+	tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
+	tm->tm_mday = BCD2BIN(buf[CCR_MDAY]);
+	tm->tm_mon = BCD2BIN(buf[CCR_MONTH]); /* mon is 0-11 */
+	tm->tm_year = BCD2BIN(buf[CCR_YEAR])
+		+ (BCD2BIN(buf[CCR_Y2K]) * 100);
+	tm->tm_wday = buf[CCR_WDAY];
+
+	debug("%s: tm is secs=%d, mins=%d, hours=%d, "
+	      "mday=%d, mon=%d, year=%d, wday=%d\n",
+	      __FUNCTION__,
+	      tm->tm_sec, tm->tm_min, tm->tm_hour,
+	      tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
+}
+
+void rtc_set(struct rtc_time *tm)
+{
+	int i;
+	u8 buf[8];
+
+	debug("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+	      tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday,
+	      tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+	buf[CCR_SEC] = BIN2BCD(tm->tm_sec);
+	buf[CCR_MIN] = BIN2BCD(tm->tm_min);
+
+	/* set hour and 24hr bit */
+	buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL;
+
+	buf[CCR_MDAY] = BIN2BCD(tm->tm_mday);
+
+	/* month, 1 - 12 */
+	buf[CCR_MONTH] = BIN2BCD(tm->tm_mon);
+
+	/* year, since the rtc epoch*/
+	buf[CCR_YEAR] = BIN2BCD(tm->tm_year % 100);
+	buf[CCR_WDAY] = tm->tm_wday & 0x07;
+	buf[CCR_Y2K] = BIN2BCD(tm->tm_year / 100);
+
+	/* this sequence is required to unlock the chip */
+	rtc_write(X1205_REG_SR, X1205_SR_WEL);
+	rtc_write(X1205_REG_SR, X1205_SR_WEL | X1205_SR_RWEL);
+
+	/* write register's data */
+	for (i = 0; i < 8; i++)
+		rtc_write(X1205_CCR_BASE + i, buf[i]);
+
+	rtc_write(X1205_REG_SR, 0);
+}
+
+void rtc_reset(void)
+{
+	/*
+	 * Nothing to do
+	 */
+}
+
+#endif
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 735c630..ee2b780 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -35,6 +35,7 @@ COBJS-y += serial_max3100.o
 COBJS-y += serial_pl010.o
 COBJS-y += serial_pl011.o
 COBJS-y += serial_xuartlite.o
+COBJS-y += serial_sh.o
 COBJS-y += usbtty.o
 
 COBJS	:= $(COBJS-y)
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
new file mode 100644
index 0000000..ee44ba2
--- /dev/null
+++ b/drivers/serial/serial_sh.c
@@ -0,0 +1,177 @@
+/*
+ * SuperH SCIF device driver.
+ * Copyright (c) 2007 Nobuhiro Iwamatsu
+ *
+ * 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 <asm/processor.h>
+
+#ifdef CFG_SCIF_CONSOLE
+
+#if defined (CONFIG_CONS_SCIF0)
+#define SCIF_BASE	SCIF0_BASE
+#elif defined (CONFIG_CONS_SCIF1)
+#define SCIF_BASE	SCIF1_BASE
+#else
+#error "Default SCIF doesn't set....."
+#endif
+
+#define SCSMR 	(vu_short *)(SCIF_BASE + 0x0)
+#define SCBRR 	(vu_char  *)(SCIF_BASE + 0x4)
+#define SCSCR 	(vu_short *)(SCIF_BASE + 0x8)
+#define SCFTDR 	(vu_char  *)(SCIF_BASE + 0xC)
+#define SCFSR 	(vu_short *)(SCIF_BASE + 0x10)
+#define SCFRDR 	(vu_char  *)(SCIF_BASE + 0x14)
+#define SCFCR 	(vu_short *)(SCIF_BASE + 0x18)
+#define SCFDR 	(vu_short *)(SCIF_BASE + 0x1C)
+#if defined(CONFIG_SH4A)
+#define SCRFDR	(vu_short *)(SCIF_BASE + 0x20)
+#define SCSPTR	(vu_short *)(SCIF_BASE + 0x24)
+#define SCLSR   (vu_short *)(SCIF_BASE + 0x28)
+#define SCRER	(vu_short *)(SCIF_BASE + 0x2C)
+#elif defined (CONFIG_SH4)
+#define SCSPTR 	(vu_short *)(SCIF_BASE + 0x20)
+#define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+#elif defined (CONFIG_SH3)
+#define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+#endif
+
+#define SCR_RE 		(1 << 4)
+#define SCR_TE 		(1 << 5)
+#define FCR_RFRST	(1 << 1) /* RFCL */
+#define FCR_TFRST	(1 << 2) /* TFCL */
+#define FSR_DR   	(1 << 0)
+#define FSR_RDF  	(1 << 1)
+#define FSR_FER  	(1 << 3)
+#define FSR_BRK  	(1 << 4)
+#define FSR_FER  	(1 << 3)
+#define FSR_TEND 	(1 << 6)
+#define FSR_ER   	(1 << 7)
+
+/*----------------------------------------------------------------------*/
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	int divisor = gd->baudrate * 32;
+
+	*SCBRR = (CONFIG_SYS_CLK_FREQ + (divisor / 2)) /
+						(gd->baudrate * 32) - 1;
+}
+
+int serial_init (void)
+{
+	*SCSCR = (SCR_RE | SCR_TE);
+	*SCSMR = 0 ;
+	*SCSMR = 0;
+	*SCFCR = (FCR_RFRST | FCR_TFRST);
+	*SCFCR;
+	*SCFCR = 0;
+
+	serial_setbrg();
+	return 0;
+}
+
+static int serial_tx_fifo_level (void)
+{
+	return (*SCFDR >> 8) & 0x1F;
+}
+
+static int serial_rx_fifo_level (void)
+{
+	return (*SCFDR >> 0) & 0x1F;
+}
+
+void serial_raw_putc (const char c)
+{
+	unsigned int fsr_bits_to_clear;
+
+	while (1) {
+		if (*SCFSR & FSR_TEND) {		/* Tx fifo is empty */
+			fsr_bits_to_clear = FSR_TEND;
+			break;
+		}
+	}
+
+	*SCFTDR = c;
+	if (fsr_bits_to_clear != 0)
+		*SCFSR &= ~fsr_bits_to_clear;
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n')
+		serial_raw_putc ('\r');
+	serial_raw_putc (c);
+}
+
+void serial_puts (const char *s)
+{
+	char c;
+	while ((c = *s++) != 0)
+		serial_putc (c);
+}
+
+int serial_tstc (void)
+{
+	return serial_rx_fifo_level() ? 1 : 0;
+}
+
+#define FSR_ERR_CLEAR   0x0063
+#define RDRF_CLEAR      0x00fc
+#define LSR_ORER        1
+void handle_error( void ){
+
+	(void)*SCFSR ;
+	*SCFSR = FSR_ERR_CLEAR ;
+	(void)*SCLSR ;
+	*SCLSR = 0x00 ;
+}
+
+int serial_getc_check( void ){
+	unsigned short status;
+
+	status = *SCFSR ;
+
+	if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
+		handle_error();
+	if( *SCLSR & LSR_ORER )
+		handle_error();
+	return (status & ( FSR_DR | FSR_RDF ));
+}
+
+int serial_getc (void)
+{
+	unsigned short status ;
+	char ch;
+	while(!serial_getc_check());
+
+	ch = *SCFRDR;
+	status =  *SCFSR ;
+
+	*SCFSR = RDRF_CLEAR ;
+
+	if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
+		handle_error();
+
+	if( *SCLSR & LSR_ORER )
+		handle_error();
+
+	return ch ;
+}
+
+#endif	/* CFG_SCIF_CONSOLE */