Merge branch 'master' of ssh://gemini/home/wd/git/u-boot/master

4 files changed, 53 insertions, 41 deletions

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index bfb1f9f..04a9a92 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -305,17 +305,12 @@ 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);
+	return (void *)(info->start[sect] + byte_offset);
 }
 
 static inline void flash_unmap(flash_info_t *info, flash_sect_t sect,
 		unsigned int offset, void *addr)
 {
-	unsigned int byte_offset = offset * info->portwidth;
-
-	unmap_physmem(addr, flash_sector_size(info, sect) - byte_offset);
 }
 
 /*-----------------------------------------------------------------------
@@ -802,13 +797,11 @@ static flash_sect_t find_sector (flash_info_t * info, ulong addr)
 static int flash_write_cfiword (flash_info_t * info, ulong dest,
 				cfiword_t cword)
 {
-	void *dstaddr;
+	void *dstaddr = (void *)dest;
 	int flag;
 	flash_sect_t sect = 0;
 	char sect_found = 0;
 
-	dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE);
-
 	/* Check if Flash is (sufficiently) erased */
 	switch (info->portwidth) {
 	case FLASH_CFI_8BIT:
@@ -827,10 +820,8 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
 		flag = 0;
 		break;
 	}
-	if (!flag) {
-		unmap_physmem(dstaddr, info->portwidth);
+	if (!flag)
 		return ERR_NOT_ERASED;
-	}
 
 	/* Disable interrupts which might cause a timeout here */
 	flag = disable_interrupts ();
@@ -873,8 +864,6 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
 	if (flag)
 		enable_interrupts ();
 
-	unmap_physmem(dstaddr, info->portwidth);
-
 	if (!sect_found)
 		sect = find_sector (info, dest);
 
@@ -890,7 +879,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
 	int cnt;
 	int retcode;
 	void *src = cp;
-	void *dst = map_physmem(dest, len, MAP_NOCACHE);
+	void *dst = (void *)dest;
 	void *dst2 = dst;
 	int flag = 0;
 	uint offset = 0;
@@ -1052,7 +1041,6 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
 	}
 
 out_unmap:
-	unmap_physmem(dst, len);
 	return retcode;
 }
 #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
@@ -1301,7 +1289,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	/* handle unaligned start */
 	if ((aln = addr - wp) != 0) {
 		cword.l = 0;
-		p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+		p = (uchar *)wp;
 		for (i = 0; i < aln; ++i)
 			flash_add_byte (info, &cword, flash_read8(p + i));
 
@@ -1313,7 +1301,6 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 			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;
 
@@ -1372,14 +1359,13 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	 * handle unaligned tail bytes
 	 */
 	cword.l = 0;
-	p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+	p = (uchar *)wp;
 	for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) {
 		flash_add_byte (info, &cword, *src++);
 		--cnt;
 	}
 	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);
 }
@@ -1618,7 +1604,7 @@ static void flash_read_jedec_ids (flash_info_t * info)
  * board_flash_get_legacy needs to fill in at least:
  * info->portwidth, info->chipwidth and info->interface for Jedec probing.
  */
-static int flash_detect_legacy(ulong base, int banknum)
+static int flash_detect_legacy(phys_addr_t base, int banknum)
 {
 	flash_info_t *info = &flash_info[banknum];
 
@@ -1634,7 +1620,10 @@ static int flash_detect_legacy(ulong base, int banknum)
 
 			for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) {
 				info->vendor = modes[i];
-				info->start[0] = base;
+				info->start[0] =
+					(ulong)map_physmem(base,
+							   info->portwidth,
+							   MAP_NOCACHE);
 				if (info->portwidth == FLASH_CFI_8BIT
 					&& info->interface == FLASH_CFI_X8X16) {
 					info->addr_unlock1 = 0x2AAA;
@@ -1648,8 +1637,11 @@ static int flash_detect_legacy(ulong base, int banknum)
 						info->manufacturer_id,
 						info->device_id,
 						info->device_id2);
-				if (jedec_flash_match(info, base))
+				if (jedec_flash_match(info, info->start[0]))
 					break;
+				else
+					unmap_physmem((void *)info->start[0],
+						      MAP_NOCACHE);
 			}
 		}
 
@@ -1671,7 +1663,7 @@ static int flash_detect_legacy(ulong base, int banknum)
 	return 0; /* use CFI */
 }
 #else
-static inline int flash_detect_legacy(ulong base, int banknum)
+static inline int flash_detect_legacy(phys_addr_t base, int banknum)
 {
 	return 0; /* use CFI */
 }
@@ -1826,12 +1818,12 @@ static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry)
  * The following code cannot be run from FLASH!
  *
  */
-ulong flash_get_size (ulong base, int banknum)
+ulong flash_get_size (phys_addr_t base, int banknum)
 {
 	flash_info_t *info = &flash_info[banknum];
 	int i, j;
 	flash_sect_t sect_cnt;
-	unsigned long sector;
+	phys_addr_t sector;
 	unsigned long tmp;
 	int size_ratio;
 	uchar num_erase_regions;
@@ -1847,7 +1839,7 @@ ulong flash_get_size (ulong base, int banknum)
 	info->legacy_unlock = 0;
 #endif
 
-	info->start[0] = base;
+	info->start[0] = (ulong)map_physmem(base, info->portwidth, MAP_NOCACHE);
 
 	if (flash_detect_cfi (info, &qry)) {
 		info->vendor = le16_to_cpu(qry.p_id);
@@ -1939,7 +1931,10 @@ ulong flash_get_size (ulong base, int banknum)
 					printf("ERROR: too many flash sectors\n");
 					break;
 				}
-				info->start[sect_cnt] = sector;
+				info->start[sect_cnt] =
+					(ulong)map_physmem(sector,
+							   info->portwidth,
+							   MAP_NOCACHE);
 				sector += (erase_region_size * size_ratio);
 
 				/*
@@ -2016,7 +2011,7 @@ unsigned long flash_init (void)
 	char *s = getenv("unlock");
 #endif
 
-#define BANK_BASE(i)	(((unsigned long [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i])
+#define BANK_BASE(i)	(((phys_addr_t [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i])
 
 	/* Init: no FLASHes known */
 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
diff --git a/drivers/mtd/jedec_flash.c b/drivers/mtd/jedec_flash.c
index 2d99d4d..e48acec 100644
--- a/drivers/mtd/jedec_flash.c
+++ b/drivers/mtd/jedec_flash.c
@@ -37,10 +37,6 @@
 
 #define P_ID_AMD_STD CFI_CMDSET_AMD_LEGACY
 
-/* Manufacturers */
-#define MANUFACTURER_AMD	0x0001
-#define MANUFACTURER_SST	0x00BF
-
 /* AMD */
 #define AM29DL800BB	0x22CB
 #define AM29DL800BT	0x224A
@@ -172,7 +168,7 @@ struct amd_flash_info {
 static const struct amd_flash_info jedec_table[] = {
 #ifdef CONFIG_SYS_FLASH_LEGACY_256Kx8
 	{
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= (u16)SST_MANUFACT,
 		.dev_id		= SST39LF020,
 		.name		= "SST 39LF020",
 		.uaddr		= {
@@ -188,7 +184,7 @@ static const struct amd_flash_info jedec_table[] = {
 #endif
 #ifdef CONFIG_SYS_FLASH_LEGACY_512Kx8
 	{
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= (u16)AMD_MANUFACT,
 		.dev_id		= AM29LV040B,
 		.name		= "AMD AM29LV040B",
 		.uaddr		= {
@@ -202,7 +198,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	},
 	{
-		.mfr_id		= MANUFACTURER_SST,
+		.mfr_id		= (u16)SST_MANUFACT,
 		.dev_id		= SST39LF040,
 		.name		= "SST 39LF040",
 		.uaddr		= {
@@ -216,7 +212,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	},
 	{
-		.mfr_id		= STM_MANUFACT,
+		.mfr_id		= (u16)STM_MANUFACT,
 		.dev_id		= STM_ID_M29W040B,
 		.name		= "ST Micro M29W040B",
 		.uaddr		= {
@@ -232,7 +228,7 @@ static const struct amd_flash_info jedec_table[] = {
 #endif
 #ifdef CONFIG_SYS_FLASH_LEGACY_512Kx16
 	{
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= (u16)AMD_MANUFACT,
 		.dev_id		= AM29LV400BB,
 		.name		= "AMD AM29LV400BB",
 		.uaddr		= {
@@ -249,7 +245,7 @@ static const struct amd_flash_info jedec_table[] = {
 		}
 	},
 	{
-		.mfr_id		= MANUFACTURER_AMD,
+		.mfr_id		= (u16)AMD_MANUFACT,
 		.dev_id		= AM29LV800BB,
 		.name		= "AMD AM29LV800BB",
 		.uaddr		= {
diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c
index cf92617..70b605f 100644
--- a/drivers/mtd/nand/nand.c
+++ b/drivers/mtd/nand/nand.c
@@ -28,6 +28,8 @@
 #define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE }
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
+
 int nand_curr_device = -1;
 nand_info_t nand_info[CONFIG_SYS_MAX_NAND_DEVICE];
 
@@ -46,6 +48,8 @@ static void nand_init_chip(struct mtd_info *mtd, struct nand_chip *nand,
 		if (nand_scan(mtd, 1) == 0) {
 			if (!mtd->name)
 				mtd->name = (char *)default_nand_name;
+			else
+				mtd->name += gd->reloc_off;
 		} else
 			mtd->name = NULL;
 	} else {
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ef37f97..d33fee2 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -75,6 +75,17 @@
 #include <jffs2/jffs2.h>
 #endif
 
+/*
+ * CONFIG_SYS_NAND_RESET_CNT is used as a timeout mechanism when resetting
+ * a flash.  NAND flash is initialized prior to interrupts so standard timers
+ * can't be used.  CONFIG_SYS_NAND_RESET_CNT should be set to a value
+ * which is greater than (max NAND reset time / NAND status read time).
+ * A conservative default of 200000 (500 us / 25 ns) is used as a default.
+ */
+#ifndef CONFIG_SYS_NAND_RESET_CNT
+#define CONFIG_SYS_NAND_RESET_CNT 200000
+#endif
+
 /* Define default oob placement schemes for large and small page devices */
 static struct nand_ecclayout nand_oob_8 = {
 	.eccbytes = 3,
@@ -524,6 +535,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
 {
 	register struct nand_chip *chip = mtd->priv;
 	int ctrl = NAND_CTRL_CLE | NAND_CTRL_CHANGE;
+	uint32_t rst_sts_cnt = CONFIG_SYS_NAND_RESET_CNT;
 
 	/*
 	 * Write out the command to the device.
@@ -590,7 +602,8 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
 			       NAND_CTRL_CLE | NAND_CTRL_CHANGE);
 		chip->cmd_ctrl(mtd,
 			       NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
-		while (!(chip->read_byte(mtd) & NAND_STATUS_READY)) ;
+		while (!(chip->read_byte(mtd) & NAND_STATUS_READY) &&
+			(rst_sts_cnt--));
 		return;
 
 		/* This applies to read commands */
@@ -626,6 +639,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
 			    int column, int page_addr)
 {
 	register struct nand_chip *chip = mtd->priv;
+	uint32_t rst_sts_cnt = CONFIG_SYS_NAND_RESET_CNT;
 
 	/* Emulate NAND_CMD_READOOB */
 	if (command == NAND_CMD_READOOB) {
@@ -696,7 +710,8 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
 			       NAND_NCE | NAND_CLE | NAND_CTRL_CHANGE);
 		chip->cmd_ctrl(mtd, NAND_CMD_NONE,
 			       NAND_NCE | NAND_CTRL_CHANGE);
-		while (!(chip->read_byte(mtd) & NAND_STATUS_READY)) ;
+		while (!(chip->read_byte(mtd) & NAND_STATUS_READY) &&
+			(rst_sts_cnt--));
 		return;
 
 	case NAND_CMD_RNDOUT:
@@ -2618,7 +2633,9 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips)
 	type = nand_get_flash_type(mtd, chip, busw, &nand_maf_id);
 
 	if (IS_ERR(type)) {
+#ifndef CONFIG_SYS_NAND_QUIET_TEST
 		printk(KERN_WARNING "No NAND device found!!!\n");
+#endif
 		chip->select_chip(mtd, -1);
 		return PTR_ERR(type);
 	}