board/mpl/common: remove the old legacy flash

Signed-off-by: David Mueller <d.mueller@elsoft.ch>
Signed-off-by: Stefan Roese <sr@denx.de>

3 files changed, 182 insertions, 896 deletions

diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c
index d3300ed..a61a98c 100644
--- a/board/mpl/common/common_util.c
+++ b/board/mpl/common/common_util.c
@@ -53,13 +53,156 @@ extern int mem_test(ulong start, ulong ramsize, int quiet);
 #define I2C_BACKUP_ADDR 0x7C00		/* 0x200 bytes for backup */
 #define IMAGE_SIZE CONFIG_SYS_MONITOR_LEN	/* ugly, but it works for now */
 
-extern flash_info_t flash_info[];	/* info for FLASH chips */
+#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
+/*-----------------------------------------------------------------------
+ * On PIP/MIP405 we have 3 (4) possible boot mode
+ *
+ * - Boot from Flash (Flash CS = CS0, MPS CS = CS1)
+ * - Boot from MPS   (Flash CS = CS1, MPS CS = CS0)
+ * - Boot from PCI with Flash map (Flash CS = CS0, MPS CS = CS1)
+ * - Boot from PCI with MPS map   (Flash CS = CS1, MPS CS = CS0)
+ * The flash init is the first board specific routine which is called
+ * after code relocation (running from SDRAM)
+ * The first thing we do is to map the Flash CS to the Flash area and
+ * the MPS CS to the MPS area. Since the flash size is unknown at this
+ * point, we use the max flash size and the lowest flash address as base.
+ *
+ * After flash detection we adjust the size of the CS area accordingly.
+ * update_flash_size() will fix in wrong values in the flash_info structure,
+ * misc_init_r() will fix the values in the board info structure
+ */
+int get_boot_mode(void)
+{
+	unsigned long pbcr;
+	int res = 0;
+	pbcr = mfdcr(CPC0_PSR);
+	if ((pbcr & PSR_ROM_WIDTH_MASK) == 0)
+		/* boot via MPS or MPS mapping */
+		res = BOOT_MPS;
+	if (pbcr & PSR_ROM_LOC)
+		/* boot via PCI.. */
+		res |= BOOT_PCI;
+	 return res;
+}
+
+/* Map the flash high (in boot area)
+   This code can only be executed from SDRAM (after relocation).
+*/
+void setup_cs_reloc(void)
+{
+	int mode;
+	/*
+	 * since we are relocated, we can set-up the CS finaly
+	 * but first of all, switch off PCI mapping (in case it
+	 * was a PCI boot)
+	 */
+	out32r(PMM0MA, 0L);
+	/* get boot mode */
+	mode = get_boot_mode();
+	/*
+	 * we map the flash high in every case
+	 * first find out to which CS the flash is attached to
+	 */
+	if (mode & BOOT_MPS) {
+		/* map flash high on CS1 and MPS on CS0 */
+		mtdcr(EBC0_CFGADDR, PB0AP);
+		mtdcr(EBC0_CFGDATA, MPS_AP);
+		mtdcr(EBC0_CFGADDR, PB0CR);
+		mtdcr(EBC0_CFGDATA, MPS_CR);
+		/*
+		 * we use the default values (max values) for the flash
+		 * because its real size is not yet known
+		 */
+		mtdcr(EBC0_CFGADDR, PB1AP);
+		mtdcr(EBC0_CFGDATA, FLASH_AP);
+		mtdcr(EBC0_CFGADDR, PB1CR);
+		mtdcr(EBC0_CFGDATA, FLASH_CR_B);
+	} else {
+		/* map flash high on CS0 and MPS on CS1 */
+		mtdcr(EBC0_CFGADDR, PB1AP);
+		mtdcr(EBC0_CFGDATA, MPS_AP);
+		mtdcr(EBC0_CFGADDR, PB1CR);
+		mtdcr(EBC0_CFGDATA, MPS_CR);
+		/*
+		 * we use the default values (max values) for the flash
+		 * because its real size is not yet known
+		 */
+		mtdcr(EBC0_CFGADDR, PB0AP);
+		mtdcr(EBC0_CFGDATA, FLASH_AP);
+		mtdcr(EBC0_CFGADDR, PB0CR);
+		mtdcr(EBC0_CFGDATA, FLASH_CR_B);
+	}
+}
+#endif /* #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) */
+
+#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
+/* adjust flash start and protection info */
+int update_flash_size(int flash_size)
+{
+	int i = 0, mode;
+	flash_info_t *info = &flash_info[0];
+	unsigned long flashcr;
+	unsigned long flash_base = (0 - flash_size) & 0xFFF00000;
+
+	if (flash_size > 128*1024*1024) {
+		printf("\n ### ERROR, wrong flash size: %X, reset board ###\n",
+		       flash_size);
+		hang();
+	}
+
+	if ((flash_size >> 20) != 0)
+		i = __ilog2(flash_size >> 20);
+
+	/* set up flash CS according to the size */
+	mode = get_boot_mode();
+	if (mode & BOOT_MPS) {
+		/* flash is on CS1 */
+		mtdcr(EBC0_CFGADDR, PB1CR);
+		flashcr = mfdcr(EBC0_CFGDATA);
+		/* we map the flash high in every case */
+		flashcr &= 0x0001FFFF; /* mask out address bits */
+		flashcr |= flash_base; /* start addr */
+		flashcr |= (i << 17); /* size addr */
+		mtdcr(EBC0_CFGADDR, PB1CR);
+		mtdcr(EBC0_CFGDATA, flashcr);
+	} else {
+		/* flash is on CS0 */
+		mtdcr(EBC0_CFGADDR, PB0CR);
+		flashcr = mfdcr(EBC0_CFGDATA);
+		/* we map the flash high in every case */
+		flashcr &= 0x0001FFFF; /* mask out address bits */
+		flashcr |= flash_base; /* start addr */
+		flashcr |= (i << 17); /* size addr */
+		mtdcr(EBC0_CFGADDR, PB0CR);
+		mtdcr(EBC0_CFGDATA, flashcr);
+	}
+
+	for (i = 0; i < info->sector_count; i++)
+		/* adjust sector start address */
+		info->start[i] = flash_base +
+				(info->start[i] - CONFIG_SYS_FLASH_BASE);
+
+	/* unprotect all sectors */
+	flash_protect(FLAG_PROTECT_CLEAR,
+		      info->start[0],
+		      0xFFFFFFFF,
+		      info);
+	flash_protect_default();
+	/* protect reset vector too*/
+	flash_protect(FLAG_PROTECT_SET,
+		      info->start[info->sector_count-1],
+		      0xFFFFFFFF,
+		      info);
+
+	return 0;
+}
+#endif
 
 static int
 mpl_prg(uchar *src, ulong size)
 {
 	ulong start;
-	flash_info_t *info;
+	flash_info_t *info = &flash_info[0];
 	int i, rc;
 #if defined(CONFIG_PATI)
 	int start_sect;
@@ -69,8 +212,6 @@ mpl_prg(uchar *src, ulong size)
 	ulong *magic = (ulong *)src;
 #endif
 
-	info = &flash_info[0];
-
 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
 	if (uimage_to_cpu (magic[0]) != IH_MAGIC) {
 		puts("Bad Magic number\n");
@@ -96,12 +237,18 @@ mpl_prg(uchar *src, ulong size)
 	}
 #if !defined(CONFIG_PATI)
 	start = 0 - size;
-	for (i = info->sector_count-1; i > 0; i--) {
-		info->protect[i] = 0; /* unprotect this sector */
+
+	/* unprotect sectors used by u-boot */
+	flash_protect(FLAG_PROTECT_CLEAR,
+		      start,
+		      0xFFFFFFFF,
+		      info);
+
+	/* search start sector */
+	for (i = info->sector_count-1; i > 0; i--)
 		if (start >= info->start[i])
 			break;
-	}
-	/* set-up flash location */
+
 	/* now erase flash */
 	printf("Erasing at %lx (sector %d) (start %lx)\n",
 				start,i,info->start[i]);
@@ -114,22 +261,24 @@ mpl_prg(uchar *src, ulong size)
 #else /* #if !defined(CONFIG_PATI */
 	start = FIRM_START;
 	start_sect = -1;
-	for (i = 0; i < info->sector_count; i++) {
-		if (start < info->start[i]) {
-			start_sect = i - 1;
+
+	/* search start sector */
+	for (i = info->sector_count-1; i > 0; i--)
+		if (start >= info->start[i])
 			break;
-		}
-	}
 
-	info->protect[i - 1] = 0;	/* unprotect this sector */
-	for (; i < info->sector_count; i++) {
-		if ((start + size) < info->start[i])
+	start_sect = i;
+
+	for (i = info->sector_count-1; i > 0; i--)
+		if ((start + size) >= info->start[i])
 			break;
-		info->protect[i] = 0;	/* unprotect this sector */
-	}
 
-	i--;
-	/* set-up flash location */
+	/* unprotect sectors used by u-boot */
+	flash_protect(FLAG_PROTECT_CLEAR,
+		      start,
+		      start + size,
+		      info);
+
 	/* now erase flash */
 	printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
 		start, start + size, start_sect, i,
@@ -143,12 +292,17 @@ mpl_prg(uchar *src, ulong size)
 
 #elif defined(CONFIG_VCMA9)
 	start = 0;
-	for (i = 0; i <info->sector_count; i++) {
-		info->protect[i] = 0; /* unprotect this sector */
+
+	/* search end sector */
+	for (i = 0; i < info->sector_count; i++)
 		if (size < info->start[i])
 		    break;
-	}
-	/* set-up flash location */
+
+	flash_protect(FLAG_PROTECT_CLEAR,
+		      start,
+		      size,
+		      info);
+
 	/* now erase flash */
 	printf("Erasing at %lx (sector %d) (start %lx)\n",
 				start,0,info->start[0]);
diff --git a/board/mpl/common/common_util.h b/board/mpl/common/common_util.h
index 29cd14f..a0ea239 100644
--- a/board/mpl/common/common_util.h
+++ b/board/mpl/common/common_util.h
@@ -30,11 +30,15 @@ typedef struct {
 	char eth_addr[21];	/* "00:60:C2:0a:00:00" */
 } backup_t;
 
+extern flash_info_t flash_info[];	/* info for FLASH chips */
+
 void get_backup_values(backup_t *buf);
 
 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
 #define BOOT_MPS	0x01
 #define BOOT_PCI	0x02
+int get_boot_mode(void);
+void setup_cs_reloc(void);
 #endif
 
 void check_env(void);
diff --git a/board/mpl/common/flash.c b/board/mpl/common/flash.c
deleted file mode 100644
index d5b63c0..0000000
--- a/board/mpl/common/flash.c
+++ /dev/null
@@ -1,872 +0,0 @@
-/*
- * (C) Copyright 2000, 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
-
-/*
- * Modified 3/7/2001
- * - adapted for pip405, Denis Peter, MPL AG Switzerland
- * TODO:
- * clean-up
- */
-
-#include <common.h>
-
-#if !defined(CONFIG_PATI)
-#include <asm/ppc4xx.h>
-#include <asm/processor.h>
-#include "common_util.h"
-#if defined(CONFIG_MIP405)
-#include "../mip405/mip405.h"
-#endif
-#if defined(CONFIG_PIP405)
-#include "../pip405/pip405.h"
-#endif
-#include <asm/4xx_pci.h>
-#else /* defined(CONFIG_PATI) */
-#include <mpc5xx.h>
-#endif
-
-flash_info_t	flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-
-void unlock_intel_sectors(flash_info_t *info,ulong addr,ulong cnt);
-
-#define ADDR0           0x5555
-#define ADDR1           0x2aaa
-#define FLASH_WORD_SIZE unsigned short
-
-#define FALSE           0
-#define TRUE            1
-
-#if !defined(CONFIG_PATI)
-
-/*-----------------------------------------------------------------------
- * Some CS switching routines:
- *
- * On PIP/MIP405 we have 3 (4) possible boot mode
- *
- * - Boot from Flash (Flash CS = CS0, MPS CS = CS1)
- * - Boot from MPS   (Flash CS = CS1, MPS CS = CS0)
- * - Boot from PCI with Flash map (Flash CS = CS0, MPS CS = CS1)
- * - Boot from PCI with MPS map   (Flash CS = CS1, MPS CS = CS0)
- * The flash init is the first board specific routine which is called
- * after code relocation (running from SDRAM)
- * The first thing we do is to map the Flash CS to the Flash area and
- * the MPS CS to the MPS area. Since the flash size is unknown at this
- * point, we use the max flash size and the lowest flash address as base.
- *
- * After flash detection we adjust the size of the CS area accordingly.
- * The board_init_r will fill in wrong values in the board init structure,
- * but this will be fixed in the misc_init_r routine:
- * bd->bi_flashstart=0-flash_info[0].size
- * bd->bi_flashsize=flash_info[0].size-CONFIG_SYS_MONITOR_LEN
- * bd->bi_flashoffset=0
- *
- */
-int get_boot_mode(void)
-{
-	unsigned long pbcr;
-	int res = 0;
-	pbcr = mfdcr (CPC0_PSR);
-	if ((pbcr & PSR_ROM_WIDTH_MASK) == 0)
-		/* boot via MPS or MPS mapping */
-		res = BOOT_MPS;
-	if(pbcr & PSR_ROM_LOC)
-		/* boot via PCI.. */
-		res |= BOOT_PCI;
-	 return res;
-}
-
-/* Map the flash high (in boot area)
-   This code can only be executed from SDRAM (after relocation).
-*/
-void setup_cs_reloc(void)
-{
-	int mode;
-	/* Since we are relocated, we can set-up the CS finaly
-	 * but first of all, switch off PCI mapping (in case it was a PCI boot) */
-	out32r(PMM0MA,0L);
-	icache_enable (); /* we are relocated */
-	/* get boot mode */
-	mode=get_boot_mode();
-	/* we map the flash high in every case */
-	/* first findout on which cs the flash is */
-	if(mode & BOOT_MPS) {
-		/* map flash high on CS1 and MPS on CS0 */
-		mtdcr (EBC0_CFGADDR, PB0AP);
-		mtdcr (EBC0_CFGDATA, MPS_AP);
-		mtdcr (EBC0_CFGADDR, PB0CR);
-		mtdcr (EBC0_CFGDATA, MPS_CR);
-		/* we use the default values (max values) for the flash
-		 * because its real size is not yet known */
-		mtdcr (EBC0_CFGADDR, PB1AP);
-		mtdcr (EBC0_CFGDATA, FLASH_AP);
-		mtdcr (EBC0_CFGADDR, PB1CR);
-		mtdcr (EBC0_CFGDATA, FLASH_CR_B);
-	}
-	else {
-		/* map flash high on CS0 and MPS on CS1 */
-		mtdcr (EBC0_CFGADDR, PB1AP);
-		mtdcr (EBC0_CFGDATA, MPS_AP);
-		mtdcr (EBC0_CFGADDR, PB1CR);
-		mtdcr (EBC0_CFGDATA, MPS_CR);
-		/* we use the default values (max values) for the flash
-		 * because its real size is not yet known */
-		mtdcr (EBC0_CFGADDR, PB0AP);
-		mtdcr (EBC0_CFGDATA, FLASH_AP);
-		mtdcr (EBC0_CFGADDR, PB0CR);
-		mtdcr (EBC0_CFGDATA, FLASH_CR_B);
-	}
-}
-
-#endif /* #if !defined(CONFIG_PATI) */
-
-unsigned long flash_init (void)
-{
-	unsigned long size_b0;
-	int i;
-
-#if !defined(CONFIG_PATI)
-	unsigned long flashcr,size_reg;
-	int mode;
-	extern char version_string;
-	char *p = &version_string;
-
-	/* Since we are relocated, we can set-up the CS finally */
-	setup_cs_reloc();
-	/* get and display boot mode */
-	mode=get_boot_mode();
-	if(mode & BOOT_PCI)
-		printf("(PCI Boot %s Map) ",(mode & BOOT_MPS) ?
-			"MPS" : "Flash");
-	else
-		printf("(%s Boot) ",(mode & BOOT_MPS) ?
-			"MPS" : "Flash");
-#endif /* #if !defined(CONFIG_PATI) */
-	/* Init: no FLASHes known */
-	for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
-		flash_info[i].flash_id = FLASH_UNKNOWN;
-	}
-
-	/* Static FLASH Bank configuration here - FIXME XXX */
-
-	size_b0 = flash_get_size((vu_long *)CONFIG_SYS_MONITOR_BASE, &flash_info[0]);
-
-	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
-		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
-			size_b0, size_b0<<20);
-	}
-	/* protect the bootloader */
-	/* Monitor protection ON by default */
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
-	flash_protect(FLAG_PROTECT_SET,
-			CONFIG_SYS_MONITOR_BASE,
-			CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
-			&flash_info[0]);
-#endif
-#if !defined(CONFIG_PATI)
-	/* protect reset vector */
-	flash_info[0].protect[flash_info[0].sector_count-1] = 1;
-	flash_info[0].size = size_b0;
-	/* set up flash cs according to the size */
-	size_reg=(flash_info[0].size >>20);
-	switch (size_reg) {
-		case 0:
-		case 1: i=0; break; /* <= 1MB */
-		case 2: i=1; break; /* = 2MB */
-		case 4: i=2; break; /* = 4MB */
-		case 8: i=3; break; /* = 8MB */
-		case 16: i=4; break; /* = 16MB */
-		case 32: i=5; break; /* = 32MB */
-		case 64: i=6; break; /* = 64MB */
-		case 128: i=7; break; /*= 128MB */
-		default:
-			printf("\n #### ERROR, wrong size %ld MByte reset board #####\n",size_reg);
-			while(1);
-	}
-	if(mode & BOOT_MPS) {
-		/* flash is on CS1 */
-		mtdcr(EBC0_CFGADDR, PB1CR);
-		flashcr = mfdcr (EBC0_CFGDATA);
-		/* we map the flash high in every case */
-		flashcr&=0x0001FFFF; /* mask out address bits */
-		flashcr|= ((0-flash_info[0].size) & 0xFFF00000); /* start addr */
-		flashcr|= (i << 17); /* size addr */
-		mtdcr(EBC0_CFGADDR, PB1CR);
-		mtdcr(EBC0_CFGDATA, flashcr);
-	}
-	else {
-		/* flash is on CS0 */
-		mtdcr(EBC0_CFGADDR, PB0CR);
-		flashcr = mfdcr (EBC0_CFGDATA);
-		/* we map the flash high in every case */
-		flashcr&=0x0001FFFF; /* mask out address bits */
-		flashcr|= ((0-flash_info[0].size) & 0xFFF00000); /* start addr */
-		flashcr|= (i << 17); /* size addr */
-		mtdcr(EBC0_CFGADDR, PB0CR);
-		mtdcr(EBC0_CFGDATA, flashcr);
-	}
-#if 0
-	/* enable this (PIP405/MIP405 only) if you want to test if
-	   the relocation has be done ok.
-	   This will disable both Chipselects */
-	mtdcr (EBC0_CFGADDR, PB0CR);
-	mtdcr (EBC0_CFGDATA, 0L);
-	mtdcr (EBC0_CFGADDR, PB1CR);
-	mtdcr (EBC0_CFGDATA, 0L);
-	printf("CS0 & CS1 switched off for test\n");
-#endif
-	/* patch version_string */
-	for(i=0;i<0x100;i++) {
-		if(*p=='\n') {
-			*p=0;
-			break;
-		}
-		p++;
-	}
-#else /* #if !defined(CONFIG_PATI) */
-#ifdef	CONFIG_ENV_IS_IN_FLASH
-	/* ENV protection ON by default */
-	flash_protect(FLAG_PROTECT_SET,
-		      CONFIG_ENV_ADDR,
-		      CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE-1,
-		      &flash_info[0]);
-#endif
-#endif /* #if !defined(CONFIG_PATI) */
-	return (size_b0);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info  (flash_info_t *info)
-{
-	int i;
-	int k;
-	int size;
-	int erased;
-	volatile unsigned long *flash;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		printf ("missing or unknown FLASH type\n");
-		return;
-	}
-
-	switch (info->flash_id & FLASH_VENDMASK) {
-	case FLASH_MAN_AMD:	printf ("AMD ");		break;
-	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
-	case FLASH_MAN_SST:	printf ("SST ");		break;
-	case FLASH_MAN_INTEL:	printf ("Intel ");		break;
-	default:		printf ("Unknown Vendor ");	break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_AM040:	printf ("AM29F040 (512 Kbit, uniform sector size)\n");
-				break;
-	case FLASH_AM400B:	printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
-				break;
-	case FLASH_AM400T:	printf ("AM29LV400T (4 Mbit, top boot sector)\n");
-				break;
-	case FLASH_AM800B:	printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
-				break;
-	case FLASH_AM800T:	printf ("AM29LV800T (8 Mbit, top boot sector)\n");
-				break;
-	case FLASH_AM160B:	printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
-				break;
-	case FLASH_AM160T:	printf ("AM29LV160T (16 Mbit, top boot sector)\n");
-				break;
-	case FLASH_AM320B:	printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
-				break;
-	case FLASH_AM320T:	printf ("AM29LV320T (32 Mbit, top boot sector)\n");
-				break;
-	case FLASH_SST800A:	printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
-				break;
-	case FLASH_SST160A:	printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
-				break;
-	case FLASH_INTEL320T:	printf ("TE28F320C3 (32 Mbit, top sector size)\n");
-				break;
-	case FLASH_AM640U:	printf ("AM29LV640U (64 Mbit, uniform sector size)\n");
-				break;
-	default:		printf ("Unknown Chip Type\n");
-				break;
-	}
-
-	printf ("  Size: %ld KB in %d Sectors\n",
-		info->size >> 10, info->sector_count);
-
-	printf ("  Sector Start Addresses:");
-	for (i=0; i<info->sector_count; ++i) {
-		/*
-		 * Check if whole sector is erased
-		*/
-		if (i != (info->sector_count-1))
-			size = info->start[i+1] - info->start[i];
-		else
-			size = info->start[0] + info->size - info->start[i];
-		erased = 1;
-		flash = (volatile unsigned long *)info->start[i];
-		size = size >> 2;        /* divide by 4 for longword access */
-		for (k=0; k<size; k++) {
-			if (*flash++ != 0xffffffff) {
-				erased = 0;
-				break;
-			}
-		}
-		if ((i % 5) == 0)
-			printf ("\n   ");
-		printf (" %08lX%s%s",
-			info->start[i],
-			erased ? " E" : "  ",
-			info->protect[i] ? "RO " : "   ");
-	}
-	printf ("\n");
-}
-
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
-
-*/
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (vu_long *addr, flash_info_t *info)
-{
-	short i;
-	FLASH_WORD_SIZE value;
-	ulong base;
-	volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
-
-	/* Write auto select command: read Manufacturer ID */
-	addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-	addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-	addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
-
-	value = addr2[0];
-	/*	printf("flash_get_size value: %x\n",value); */
-	switch (value) {
-	case (FLASH_WORD_SIZE)AMD_MANUFACT:
-		info->flash_id = FLASH_MAN_AMD;
-		break;
-	case (FLASH_WORD_SIZE)FUJ_MANUFACT:
-		info->flash_id = FLASH_MAN_FUJ;
-		break;
-	case (FLASH_WORD_SIZE)INTEL_MANUFACT:
-		info->flash_id = FLASH_MAN_INTEL;
-		break;
-	case (FLASH_WORD_SIZE)SST_MANUFACT:
-		info->flash_id = FLASH_MAN_SST;
-		break;
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		return (0);			/* no or unknown flash	*/
-	}
-	value = addr2[1];			/* device ID		*/
-	/*	printf("Device value %x\n",value);		    */
-	switch (value) {
-	case (FLASH_WORD_SIZE)AMD_ID_F040B:
-		info->flash_id += FLASH_AM040;
-		info->sector_count = 8;
-		info->size = 0x0080000; /* => 512 ko */
-		break;
-	case (FLASH_WORD_SIZE)AMD_ID_LV400T:
-		info->flash_id += FLASH_AM400T;
-		info->sector_count = 11;
-		info->size = 0x00080000;
-		break;				/* => 0.5 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV400B:
-		info->flash_id += FLASH_AM400B;
-		info->sector_count = 11;
-		info->size = 0x00080000;
-		break;				/* => 0.5 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV800T:
-		info->flash_id += FLASH_AM800T;
-		info->sector_count = 19;
-		info->size = 0x00100000;
-		break;				/* => 1 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV800B:
-		info->flash_id += FLASH_AM800B;
-		info->sector_count = 19;
-		info->size = 0x00100000;
-		break;				/* => 1 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV160T:
-		info->flash_id += FLASH_AM160T;
-		info->sector_count = 35;
-		info->size = 0x00200000;
-		break;				/* => 2 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV160B:
-		info->flash_id += FLASH_AM160B;
-		info->sector_count = 35;
-		info->size = 0x00200000;
-		break;				/* => 2 MB		*/
-	case (FLASH_WORD_SIZE)AMD_ID_LV320T:
-		info->flash_id += FLASH_AM320T;
-		info->sector_count = 67;
-		info->size = 0x00400000;
-		break;				/* => 4 MB		*/
-	case (FLASH_WORD_SIZE)AMD_ID_LV640U:
-		info->flash_id += FLASH_AM640U;
-		info->sector_count = 128;
-		info->size = 0x00800000;
-		break;				/* => 8 MB		*/
-#if 0	/* enable when device IDs are available */
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV320B:
-		info->flash_id += FLASH_AM320B;
-		info->sector_count = 67;
-		info->size = 0x00400000;
-		break;				/* => 4 MB		*/
-#endif
-	case (FLASH_WORD_SIZE)SST_ID_xF800A:
-		info->flash_id += FLASH_SST800A;
-		info->sector_count = 16;
-		info->size = 0x00100000;
-		break;				/* => 1 MB		*/
-	case (FLASH_WORD_SIZE)INTEL_ID_28F320C3T:
-		info->flash_id += FLASH_INTEL320T;
-		info->sector_count = 71;
-		info->size = 0x00400000;
-		break;				/* => 4 MB		*/
-
-
-	case (FLASH_WORD_SIZE)SST_ID_xF160A:
-		info->flash_id += FLASH_SST160A;
-		info->sector_count = 32;
-		info->size = 0x00200000;
-		break;				/* => 2 MB		*/
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		return (0);			/* => no or unknown flash */
-
-	}
-	/* base address calculation */
-	base=0-info->size;
-	/* set up sector start address table */
-	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
-	     (info->flash_id  == FLASH_AM040) ||
-	     (info->flash_id  == FLASH_AM640U)){
-		for (i = 0; i < info->sector_count; i++)
-			info->start[i] = base + (i * 0x00010000);
-	}
-	else {
-		if (info->flash_id & FLASH_BTYPE) {
-			/* set sector offsets for bottom boot block type	*/
-			info->start[0] = base + 0x00000000;
-			info->start[1] = base + 0x00004000;
-			info->start[2] = base + 0x00006000;
-			info->start[3] = base + 0x00008000;
-			for (i = 4; i < info->sector_count; i++)
-				info->start[i] = base + (i * 0x00010000) - 0x00030000;
-		}
-		else {
-			/* set sector offsets for top boot block type		*/
-			i = info->sector_count - 1;
-			if(info->sector_count==71) {
-
-				info->start[i--] = base + info->size - 0x00002000;
-				info->start[i--] = base + info->size - 0x00004000;
-				info->start[i--] = base + info->size - 0x00006000;
-				info->start[i--] = base + info->size - 0x00008000;
-				info->start[i--] = base + info->size - 0x0000A000;
-				info->start[i--] = base + info->size - 0x0000C000;
-				info->start[i--] = base + info->size - 0x0000E000;
-				for (; i >= 0; i--)
-					info->start[i] = base + i * 0x000010000;
-			}
-			else {
-				info->start[i--] = base + info->size - 0x00004000;
-				info->start[i--] = base + info->size - 0x00006000;
-				info->start[i--] = base + info->size - 0x00008000;
-				for (; i >= 0; i--)
-					info->start[i] = base + i * 0x00010000;
-			}
-		}
-	}
-
-	/* check for protected sectors */
-	for (i = 0; i < info->sector_count; i++) {
-		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
-		/* D0 = 1 if protected */
-		addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
-		if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
-			info->protect[i] = 0;
-		else
-			info->protect[i] = addr2[2] & 1;
-	}
-
-	/*
-	 * Prevent writes to uninitialized FLASH.
-	 */
-	if (info->flash_id != FLASH_UNKNOWN) {
-		addr2 = (FLASH_WORD_SIZE *)info->start[0];
-		*addr2 = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-	}
-	return (info->size);
-}
-
-
-int wait_for_DQ7(flash_info_t *info, int sect)
-{
-	ulong start, now, last;
-	volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
-
-	start = get_timer (0);
-	last  = start;
-	while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
-		if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
-			printf ("Timeout\n");
-			return ERR_TIMOUT;
-		}
-		/* show that we're waiting */
-		if ((now - last) > 1000) {  /* every second */
-			putc ('.');
-			last = now;
-		}
-	}
-	return ERR_OK;
-}
-
-int intel_wait_for_DQ7(flash_info_t *info, int sect)
-{
-	ulong start, now, last, status;
-	volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
-
-	start = get_timer (0);
-	last  = start;
-	while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
-		if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
-			printf ("Timeout\n");
-			return ERR_TIMOUT;
-		}
-		/* show that we're waiting */
-		if ((now - last) > 1000) {  /* every second */
-			putc ('.');
-			last = now;
-		}
-	}
-	status = addr[0] & (FLASH_WORD_SIZE)0x00280028;
-	/* clear status register */
-	addr[0] = (FLASH_WORD_SIZE)0x00500050;
-	/* check status for block erase fail and VPP low */
-	return (status == 0 ? ERR_OK : ERR_NOT_ERASED);
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int	flash_erase (flash_info_t *info, int s_first, int s_last)
-{
-	volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
-	volatile FLASH_WORD_SIZE *addr2;
-	int flag, prot, sect;
-	int i, rcode = 0;
-
-
-	if ((s_first < 0) || (s_first > s_last)) {
-		if (info->flash_id == FLASH_UNKNOWN) {
-			printf ("- missing\n");
-		} else {
-			printf ("- no sectors to erase\n");
-		}
-		return 1;
-	}
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		printf ("Can't erase unknown flash type - aborted\n");
-		return 1;
-	}
-
-	prot = 0;
-	for (sect=s_first; sect<=s_last; ++sect) {
-		if (info->protect[sect]) {
-			prot++;
-		}
-	}
-
-	if (prot) {
-		printf ("- Warning: %d protected sectors will not be erased!\n",
-			prot);
-	} else {
-		printf ("\n");
-	}
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect<=s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-			addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
-			/*  printf("Erasing sector %p\n", addr2); */ /* CLH */
-			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
-				addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-				addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-				addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
-				addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-				addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-				addr2[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
-				for (i=0; i<50; i++)
-					udelay(1000);  /* wait 1 ms */
-				rcode |= wait_for_DQ7(info, sect);
-			}
-			else {
-				if((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL){
-					addr2[0] = (FLASH_WORD_SIZE)0x00600060;  /* unlock sector */
-					addr2[0] = (FLASH_WORD_SIZE)0x00D000D0;  /* sector erase */
-					intel_wait_for_DQ7(info, sect);
-					addr2[0] = (FLASH_WORD_SIZE)0x00200020;  /* sector erase */
-					addr2[0] = (FLASH_WORD_SIZE)0x00D000D0;  /* sector erase */
-					rcode |= intel_wait_for_DQ7(info, sect);
-				}
-				else {
-					addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-					addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-					addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
-					addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-					addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-					addr2[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
-					rcode |= wait_for_DQ7(info, sect);
-				}
-			}
-			/*
-			 * Wait for each sector to complete, it's more
-			 * reliable.  According to AMD Spec, you must
-			 * issue all erase commands within a specified
-			 * timeout.  This has been seen to fail, especially
-			 * if printf()s are included (for debug)!!
-			 */
-			/*   wait_for_DQ7(info, sect); */
-		}
-	}
-
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts();
-
-	/* wait at least 80us - let's wait 1 ms */
-	udelay (1000);
-
-	/* reset to read mode */
-	addr = (FLASH_WORD_SIZE *)info->start[0];
-	addr[0] = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-
-	if (!rcode)
-	    printf (" done\n");
-
-	return rcode;
-}
-
-
-void unlock_intel_sectors(flash_info_t *info,ulong addr,ulong cnt)
-{
-	int i;
-	volatile FLASH_WORD_SIZE *addr2;
-	long c;
-	c= (long)cnt;
-	for(i=info->sector_count-1;i>0;i--)
-	{
-		if(addr>=info->start[i])
-			break;
-	}
-	do {
-		addr2 = (FLASH_WORD_SIZE *)(info->start[i]);
-		addr2[0] = (FLASH_WORD_SIZE)0x00600060;  /* unlock sector setup */
-		addr2[0] = (FLASH_WORD_SIZE)0x00D000D0;  /* unlock sector */
-		intel_wait_for_DQ7(info, i);
-		i++;
-		c-=(info->start[i]-info->start[i-1]);
-	}while(c>0);
-}
-
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
-	ulong cp, wp, data;
-	int i, l, rc;
-
-	if((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL){
-		unlock_intel_sectors(info,addr,cnt);
-	}
-	wp = (addr & ~3);	/* get lower word aligned address */
-	/*
-	 * handle unaligned start bytes
-	 */
-	if ((l = addr - wp) != 0) {
-		data = 0;
-		for (i=0, cp=wp; i<l; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *)cp);
-		}
-		for (; i<4 && cnt>0; ++i) {
-			data = (data << 8) | *src++;
-			--cnt;
-			++cp;
-		}
-		for (; cnt==0 && i<4; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *)cp);
-		}
-
-		if ((rc = write_word(info, wp, data)) != 0) {
-			return (rc);
-		}
-		wp += 4;
-	}
-
-	/*
-	 * handle word aligned part
-	 */
-	while (cnt >= 4) {
-		data = 0;
-		for (i=0; i<4; ++i) {
-			data = (data << 8) | *src++;
-		}
-		if ((rc = write_word(info, wp, data)) != 0) {
-			return (rc);
-		}
-		wp  += 4;
-		if((wp % 0x10000)==0)
-			printf("."); /* show Progress */
-		cnt -= 4;
-	}
-
-	if (cnt == 0) {
-		return (0);
-	}
-
-	/*
-	 * handle unaligned tail bytes
-	 */
-	data = 0;
-	for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
-		data = (data << 8) | *src++;
-		--cnt;
-	}
-	for (; i<4; ++i, ++cp) {
-		data = (data << 8) | (*(uchar *)cp);
-	}
-	rc=write_word(info, wp, data);
-	return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static FLASH_WORD_SIZE *read_val = (FLASH_WORD_SIZE *)0x200000;
-
-static int write_word (flash_info_t *info, ulong dest, ulong data)
-{
-	volatile FLASH_WORD_SIZE *addr2 = (volatile FLASH_WORD_SIZE *)(info->start[0]);
-	volatile FLASH_WORD_SIZE *dest2 = (volatile FLASH_WORD_SIZE *)dest;
-	volatile FLASH_WORD_SIZE *data2;
-	ulong start;
-	ulong *data_p;
-	int flag;
-	int i;
-
-	data_p = &data;
-	data2 = (volatile FLASH_WORD_SIZE *)data_p;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*((volatile FLASH_WORD_SIZE *)dest) &
-		(FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
-		return (2);
-	}
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-	for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
-	{
-		if((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL){
-			/* intel style writting */
-			dest2[i] = (FLASH_WORD_SIZE)0x00500050;
-			dest2[i] = (FLASH_WORD_SIZE)0x00400040;
-			*read_val++ = data2[i];
-			dest2[i] = data2[i];
-			if (flag)
-				enable_interrupts();
-			/* data polling for D7 */
-			start = get_timer (0);
-			udelay(10);
-			while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080)
-			{
-				if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
-					return (1);
-			}
-			dest2[i] = (FLASH_WORD_SIZE)0x00FF00FF; /* return to read mode */
-			udelay(10);
-			dest2[i] = (FLASH_WORD_SIZE)0x00FF00FF; /* return to read mode */
-			if(dest2[i]!=data2[i])
-				printf("Error at %p 0x%04X != 0x%04X\n",&dest2[i],dest2[i],data2[i]);
-		}
-		else {
-			addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-			addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-			addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
-			dest2[i] = data2[i];
-			/* re-enable interrupts if necessary */
-			if (flag)
-				enable_interrupts();
-			/* data polling for D7 */
-			start = get_timer (0);
-			while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
-				(data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
-				if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
-					return (1);
-				}
-			}
-		}
-	}
-	return (0);
-}
-
-/*-----------------------------------------------------------------------
- */