1 files changed, 306 insertions, 319 deletions

diff --git a/board/smdk2410/flash.c b/board/smdk2410/flash.c
index a37c6f8..993946b 100644
--- a/board/smdk2410/flash.c
+++ b/board/smdk2410/flash.c
@@ -24,13 +24,13 @@
 
 #include <common.h>
 
-ulong myflush(void);
+ulong myflush (void);
 
 
 #define FLASH_BANK_SIZE	PHYS_FLASH_SIZE
-#define MAIN_SECT_SIZE  0x10000		/* 64 KB */
+#define MAIN_SECT_SIZE  0x10000	/* 64 KB */
 
-flash_info_t    flash_info[CFG_MAX_FLASH_BANKS];
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
 
 
 #define CMD_READ_ARRAY		0x000000F0
@@ -47,7 +47,7 @@ flash_info_t    flash_info[CFG_MAX_FLASH_BANKS];
 #define BIT_ERASE_DONE		0x00000080
 #define BIT_RDY_MASK		0x00000080
 #define BIT_PROGRAM_ERROR	0x00000020
-#define BIT_TIMEOUT		0x80000000 /* our flag */
+#define BIT_TIMEOUT		0x80000000	/* our flag */
 
 #define READY 1
 #define ERR   2
@@ -56,391 +56,378 @@ flash_info_t    flash_info[CFG_MAX_FLASH_BANKS];
 /*-----------------------------------------------------------------------
  */
 
-ulong flash_init(void)
+ulong flash_init (void)
 {
-    int i, j;
-    ulong size = 0;
+	int i, j;
+	ulong size = 0;
 
-    for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
-    {
-	ulong flashbase = 0;
-	flash_info[i].flash_id =
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		ulong flashbase = 0;
+
+		flash_info[i].flash_id =
 #if defined(CONFIG_AMD_LV400)
-	  (AMD_MANUFACT & FLASH_VENDMASK) |
-	  (AMD_ID_LV400B & FLASH_TYPEMASK);
+			(AMD_MANUFACT & FLASH_VENDMASK) |
+			(AMD_ID_LV400B & FLASH_TYPEMASK);
 #elif defined(CONFIG_AMD_LV800)
-	  (AMD_MANUFACT & FLASH_VENDMASK) |
-	  (AMD_ID_LV800B & FLASH_TYPEMASK);
+			(AMD_MANUFACT & FLASH_VENDMASK) |
+			(AMD_ID_LV800B & FLASH_TYPEMASK);
 #else
 #error "Unknown flash configured"
 #endif
-	flash_info[i].size = FLASH_BANK_SIZE;
-	flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
-	memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
-	if (i == 0)
-	  flashbase = PHYS_FLASH_1;
-	else
-	  panic("configured too many flash banks!\n");
-	for (j = 0; j < flash_info[i].sector_count; j++)
-	{
-	    if (j <= 3)
-	    {
-		/* 1st one is 16 KB */
-		if (j == 0)
-		{
-			flash_info[i].start[j] = flashbase + 0;
-		}
-
-		/* 2nd and 3rd are both 8 KB */
-		if ((j == 1) || (j == 2))
-		{
-			flash_info[i].start[j] = flashbase + 0x4000 + (j-1)*0x2000;
-		}
-
-		/* 4th 32 KB */
-		if (j == 3)
-		{
-			flash_info[i].start[j] = flashbase + 0x8000;
+			flash_info[i].size = FLASH_BANK_SIZE;
+		flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+		memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+		if (i == 0)
+			flashbase = PHYS_FLASH_1;
+		else
+			panic ("configured too many flash banks!\n");
+		for (j = 0; j < flash_info[i].sector_count; j++) {
+			if (j <= 3) {
+				/* 1st one is 16 KB */
+				if (j == 0) {
+					flash_info[i].start[j] =
+						flashbase + 0;
+				}
+
+				/* 2nd and 3rd are both 8 KB */
+				if ((j == 1) || (j == 2)) {
+					flash_info[i].start[j] =
+						flashbase + 0x4000 + (j -
+								      1) *
+						0x2000;
+				}
+
+				/* 4th 32 KB */
+				if (j == 3) {
+					flash_info[i].start[j] =
+						flashbase + 0x8000;
+				}
+			} else {
+				flash_info[i].start[j] =
+					flashbase + (j - 3) * MAIN_SECT_SIZE;
+			}
 		}
-	    }
-	    else
-	    {
-		flash_info[i].start[j] = flashbase + (j - 3)*MAIN_SECT_SIZE;
-	    }
+		size += flash_info[i].size;
 	}
-	size += flash_info[i].size;
-    }
 
-    flash_protect(FLAG_PROTECT_SET,
-		  CFG_FLASH_BASE,
-		  CFG_FLASH_BASE + monitor_flash_len - 1,
-		  &flash_info[0]);
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_FLASH_BASE,
+		       CFG_FLASH_BASE + monitor_flash_len - 1,
+		       &flash_info[0]);
 
-    flash_protect(FLAG_PROTECT_SET,
-		  CFG_ENV_ADDR,
-		  CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
-		  &flash_info[0]);
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_ENV_ADDR,
+		       CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
 
-    return size;
+	return size;
 }
 
 /*-----------------------------------------------------------------------
  */
-void flash_print_info  (flash_info_t *info)
+void flash_print_info (flash_info_t * info)
 {
-    int i;
-
-    switch (info->flash_id & FLASH_VENDMASK)
-    {
-    case (AMD_MANUFACT & FLASH_VENDMASK):
-	printf("AMD: ");
-	break;
-    default:
-	printf("Unknown Vendor ");
-	break;
-    }
-
-    switch (info->flash_id & FLASH_TYPEMASK)
-    {
-    case (AMD_ID_LV400B & FLASH_TYPEMASK):
-	printf("1x Amd29LV400BB (4Mbit)\n");
-	break;
-    case (AMD_ID_LV800B & FLASH_TYPEMASK):
-	printf("1x Amd29LV800BB (8Mbit)\n");
-	break;
-    default:
-	printf("Unknown Chip Type\n");
-	goto Done;
-	break;
-    }
-
-    printf("  Size: %ld MB in %d Sectors\n",
-	   info->size >> 20, info->sector_count);
-
-    printf("  Sector Start Addresses:");
-    for (i = 0; i < info->sector_count; i++)
-    {
-	if ((i % 5) == 0)
-	{
-	    printf ("\n   ");
+	int i;
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case (AMD_MANUFACT & FLASH_VENDMASK):
+		printf ("AMD: ");
+		break;
+	default:
+		printf ("Unknown Vendor ");
+		break;
 	}
-	printf (" %08lX%s", info->start[i],
-		info->protect[i] ? " (RO)" : "     ");
-    }
-    printf ("\n");
 
-Done:
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case (AMD_ID_LV400B & FLASH_TYPEMASK):
+		printf ("1x Amd29LV400BB (4Mbit)\n");
+		break;
+	case (AMD_ID_LV800B & FLASH_TYPEMASK):
+		printf ("1x Amd29LV800BB (8Mbit)\n");
+		break;
+	default:
+		printf ("Unknown Chip Type\n");
+		goto Done;
+		break;
+	}
+
+	printf ("  Size: %ld MB in %d Sectors\n",
+		info->size >> 20, info->sector_count);
+
+	printf ("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; i++) {
+		if ((i % 5) == 0) {
+			printf ("\n   ");
+		}
+		printf (" %08lX%s", info->start[i],
+			info->protect[i] ? " (RO)" : "     ");
+	}
+	printf ("\n");
+
+      Done:;
 }
 
 /*-----------------------------------------------------------------------
  */
 
-int	flash_erase (flash_info_t *info, int s_first, int s_last)
+int flash_erase (flash_info_t * info, int s_first, int s_last)
 {
-    ushort result;
-    int iflag, cflag, prot, sect;
-    int rc = ERR_OK;
-    int chip;
-
-    /* first look for protection bits */
+	ushort result;
+	int iflag, cflag, prot, sect;
+	int rc = ERR_OK;
+	int chip;
 
-    if (info->flash_id == FLASH_UNKNOWN)
-	return ERR_UNKNOWN_FLASH_TYPE;
+	/* first look for protection bits */
 
-    if ((s_first < 0) || (s_first > s_last)) {
-	return ERR_INVAL;
-    }
+	if (info->flash_id == FLASH_UNKNOWN)
+		return ERR_UNKNOWN_FLASH_TYPE;
 
-    if ((info->flash_id & FLASH_VENDMASK) !=
-	(AMD_MANUFACT & FLASH_VENDMASK)) {
-	return ERR_UNKNOWN_FLASH_VENDOR;
-    }
-
-    prot = 0;
-    for (sect=s_first; sect<=s_last; ++sect) {
-	if (info->protect[sect]) {
-	    prot++;
+	if ((s_first < 0) || (s_first > s_last)) {
+		return ERR_INVAL;
 	}
-    }
-    if (prot)
-	return ERR_PROTECTED;
-
-    /*
-     * Disable interrupts which might cause a timeout
-     * here. Remember that our exception vectors are
-     * at address 0 in the flash, and we don't want a
-     * (ticker) exception to happen while the flash
-     * chip is in programming mode.
-     */
-    cflag = icache_status();
-    icache_disable();
-    iflag = disable_interrupts();
-
-    /* Start erase on unprotected sectors */
-    for (sect = s_first; sect<=s_last && !ctrlc(); sect++)
-    {
-	printf("Erasing sector %2d ... ", sect);
-
-	/* arm simple, non interrupt dependent timer */
-	reset_timer_masked();
-
-	if (info->protect[sect] == 0)
-	{	/* not protected */
-	    vu_short *addr = (vu_short *)(info->start[sect]);
-
-	    MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-	    MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-	    MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
-
-	    MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-	    MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-	    *addr = CMD_ERASE_CONFIRM;
-
-	    /* wait until flash is ready */
-	    chip = 0;
 
-	    do
-	    {
-		result = *addr;
+	if ((info->flash_id & FLASH_VENDMASK) !=
+	    (AMD_MANUFACT & FLASH_VENDMASK)) {
+		return ERR_UNKNOWN_FLASH_VENDOR;
+	}
 
-		/* check timeout */
-		if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
-		{
-		    MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-		    chip = TMO;
-		    break;
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
 		}
-
-		if (!chip && (result & 0xFFFF) & BIT_ERASE_DONE)
-			chip = READY;
-
-		if (!chip && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
-			chip = ERR;
-
-	    }  while (!chip);
-
-	    MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-
-	    if (chip == ERR)
-	    {
-		rc = ERR_PROG_ERROR;
-		goto outahere;
-	    }
-	    if (chip == TMO)
-	    {
-		rc = ERR_TIMOUT;
-		goto outahere;
-	    }
-
-	    printf("ok.\n");
 	}
-	else /* it was protected */
-	{
-	    printf("protected!\n");
+	if (prot)
+		return ERR_PROTECTED;
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+		printf ("Erasing sector %2d ... ", sect);
+
+		/* arm simple, non interrupt dependent timer */
+		reset_timer_masked ();
+
+		if (info->protect[sect] == 0) {	/* not protected */
+			vu_short *addr = (vu_short *) (info->start[sect]);
+
+			MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+			MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+			MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+			MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+			MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+			*addr = CMD_ERASE_CONFIRM;
+
+			/* wait until flash is ready */
+			chip = 0;
+
+			do {
+				result = *addr;
+
+				/* check timeout */
+				if (get_timer_masked () >
+				    CFG_FLASH_ERASE_TOUT) {
+					MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+					chip = TMO;
+					break;
+				}
+
+				if (!chip
+				    && (result & 0xFFFF) & BIT_ERASE_DONE)
+					chip = READY;
+
+				if (!chip
+				    && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
+					chip = ERR;
+
+			} while (!chip);
+
+			MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+			if (chip == ERR) {
+				rc = ERR_PROG_ERROR;
+				goto outahere;
+			}
+			if (chip == TMO) {
+				rc = ERR_TIMOUT;
+				goto outahere;
+			}
+
+			printf ("ok.\n");
+		} else {	/* it was protected */
+
+			printf ("protected!\n");
+		}
 	}
-    }
 
-    if (ctrlc())
-      printf("User Interrupt!\n");
+	if (ctrlc ())
+		printf ("User Interrupt!\n");
 
-outahere:
-    /* allow flash to settle - wait 10 ms */
-    udelay_masked(10000);
+      outahere:
+	/* allow flash to settle - wait 10 ms */
+	udelay_masked (10000);
 
-    if (iflag)
-      enable_interrupts();
+	if (iflag)
+		enable_interrupts ();
 
-    if (cflag)
-      icache_enable();
+	if (cflag)
+		icache_enable ();
 
-    return rc;
+	return rc;
 }
 
 /*-----------------------------------------------------------------------
  * Copy memory to flash
  */
 
-volatile static int write_hword (flash_info_t *info, ulong dest, ushort data)
+volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
 {
-    vu_short *addr = (vu_short *)dest;
-    ushort result;
-    int rc = ERR_OK;
-    int cflag, iflag;
-    int chip;
-
-    /*
-     * Check if Flash is (sufficiently) erased
-     */
-    result = *addr;
-    if ((result & data) != data)
-	return ERR_NOT_ERASED;
-
-
-    /*
-     * Disable interrupts which might cause a timeout
-     * here. Remember that our exception vectors are
-     * at address 0 in the flash, and we don't want a
-     * (ticker) exception to happen while the flash
-     * chip is in programming mode.
-     */
-    cflag = icache_status();
-    icache_disable();
-    iflag = disable_interrupts();
-
-    MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-    MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-    MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
-    *addr = CMD_PROGRAM;
-    *addr = data;
-
-    /* arm simple, non interrupt dependent timer */
-    reset_timer_masked();
-
-    /* wait until flash is ready */
-    chip = 0;
-    do
-    {
+	vu_short *addr = (vu_short *) dest;
+	ushort result;
+	int rc = ERR_OK;
+	int cflag, iflag;
+	int chip;
+
+	/*
+	 * Check if Flash is (sufficiently) erased
+	 */
 	result = *addr;
+	if ((result & data) != data)
+		return ERR_NOT_ERASED;
+
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
+	*addr = CMD_PROGRAM;
+	*addr = data;
 
-	/* check timeout */
-	if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
-	{
-	    chip = ERR | TMO;
-	    break;
-	}
-	if (!chip && ((result & 0x80) == (data & 0x80)))
-		chip = READY;
+	/* arm simple, non interrupt dependent timer */
+	reset_timer_masked ();
 
-	if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR))
-	{
+	/* wait until flash is ready */
+	chip = 0;
+	do {
 		result = *addr;
 
-		if ((result & 0x80) == (data & 0x80))
+		/* check timeout */
+		if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+			chip = ERR | TMO;
+			break;
+		}
+		if (!chip && ((result & 0x80) == (data & 0x80)))
 			chip = READY;
-		else
-			chip = ERR;
-	}
 
-    }  while (!chip);
+		if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
+			result = *addr;
+
+			if ((result & 0x80) == (data & 0x80))
+				chip = READY;
+			else
+				chip = ERR;
+		}
+
+	} while (!chip);
 
-    *addr = CMD_READ_ARRAY;
+	*addr = CMD_READ_ARRAY;
 
-    if (chip == ERR || *addr != data)
-	rc = ERR_PROG_ERROR;
+	if (chip == ERR || *addr != data)
+		rc = ERR_PROG_ERROR;
 
-    if (iflag)
-      enable_interrupts();
+	if (iflag)
+		enable_interrupts ();
 
-    if (cflag)
-      icache_enable();
+	if (cflag)
+		icache_enable ();
 
-    return rc;
+	return rc;
 }
 
 /*-----------------------------------------------------------------------
  * Copy memory to flash.
  */
 
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 {
-    ulong cp, wp;
-    int l;
-    int i, rc;
-    ushort data;
-
-    wp = (addr & ~1);	/* get lower word aligned address */
+	ulong cp, wp;
+	int l;
+	int i, rc;
+	ushort data;
+
+	wp = (addr & ~1);	/* 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 << 8);
+		}
+		for (; i < 2 && cnt > 0; ++i) {
+			data = (data >> 8) | (*src++ << 8);
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < 2; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *) cp << 8);
+		}
 
-    /*
-     * 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 << 8);
+		if ((rc = write_hword (info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 2;
 	}
-	for (; i<2 && cnt>0; ++i) {
-	    data = (data >> 8) | (*src++ << 8);
-	    --cnt;
-	    ++cp;
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 2) {
+		data = *((vu_short *) src);
+		if ((rc = write_hword (info, wp, data)) != 0) {
+			return (rc);
+		}
+		src += 2;
+		wp += 2;
+		cnt -= 2;
 	}
-	for (; cnt==0 && i<2; ++i, ++cp) {
-	    data = (data >> 8) | (*(uchar *)cp << 8);
+
+	if (cnt == 0) {
+		return ERR_OK;
 	}
 
-	if ((rc = write_hword(info, wp, data)) != 0) {
-	    return (rc);
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+		data = (data >> 8) | (*src++ << 8);
+		--cnt;
 	}
-	wp += 2;
-    }
-
-    /*
-     * handle word aligned part
-     */
-    while (cnt >= 2) {
-	data = *((vu_short*)src);
-	if ((rc = write_hword(info, wp, data)) != 0) {
-	    return (rc);
+	for (; i < 2; ++i, ++cp) {
+		data = (data >> 8) | (*(uchar *) cp << 8);
 	}
-	src += 2;
-	wp  += 2;
-	cnt -= 2;
-    }
-
-    if (cnt == 0) {
-	return ERR_OK;
-    }
-
-    /*
-     * handle unaligned tail bytes
-     */
-    data = 0;
-    for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) {
-	data = (data >> 8) | (*src++ << 8);
-	--cnt;
-    }
-    for (; i<2; ++i, ++cp) {
-	data = (data >> 8) | (*(uchar *)cp << 8);
-    }
-
-    return write_hword(info, wp, data);
+
+	return write_hword (info, wp, data);
 }