X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ftrab%2Fflash.c;h=4e89c4102728fae360049346aac63acfa1c946ce;hb=530135dcacac278798346ad5825c03131ce51772;hp=a2a21c6d25e6bf5d40faa597c63ad93116d7470a;hpb=3b57fe0a70b903f4db66c558bb9828bc58acf06b;p=u-boot

diff --git a/board/trab/flash.c b/board/trab/flash.c
index a2a21c6d25..4e89c41027 100644
--- a/board/trab/flash.c
+++ b/board/trab/flash.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -28,7 +28,7 @@
 
 static ulong flash_get_size (vu_long *addr, flash_info_t *info);
 
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
 
 
 #define CMD_READ_ARRAY		0x00F000F0
@@ -39,9 +39,12 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
 #define CMD_PROGRAM		0x00A000A0
 #define CMD_UNLOCK_BYPASS	0x00200020
 #define CMD_READ_MANF_ID	0x00900090
+#define CMD_UNLOCK_BYPASS_RES1	0x00900090
+#define CMD_UNLOCK_BYPASS_RES2	0x00000000
 
-#define MEM_FLASH_ADDR1		(*(volatile u32 *)(CFG_FLASH_BASE + (0x00000555 << 2)))
-#define MEM_FLASH_ADDR2		(*(volatile u32 *)(CFG_FLASH_BASE + (0x000002AA << 2)))
+#define MEM_FLASH_ADDR		(*(volatile u32 *)CONFIG_SYS_FLASH_BASE)
+#define MEM_FLASH_ADDR1		(*(volatile u32 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 2)))
+#define MEM_FLASH_ADDR2		(*(volatile u32 *)(CONFIG_SYS_FLASH_BASE + (0x000002AA << 2)))
 
 #define BIT_ERASE_DONE		0x00800080
 #define BIT_RDY_MASK		0x00800080
@@ -60,17 +63,17 @@ ulong flash_init (void)
 	int i, j;
 	ulong size = 0;
 
-	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+	for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
 		ulong flashbase = 0;
 		flash_info_t *info = &flash_info[i];
 
 		/* Init: no FLASHes known */
 		info->flash_id = FLASH_UNKNOWN;
 
-		size += flash_get_size (CFG_FLASH_BASE, info);
+		size += flash_get_size (CONFIG_SYS_FLASH_BASE, info);
 
 		if (i == 0)
-			flashbase = CFG_FLASH_BASE;
+			flashbase = CONFIG_SYS_FLASH_BASE;
 		else
 			panic ("configured too many flash banks!\n");
 		for (j = 0; j < info->sector_count; j++) {
@@ -80,6 +83,7 @@ ulong flash_init (void)
 
 			switch (info->flash_id & FLASH_TYPEMASK) {
 			case (FLASH_AM320B & FLASH_TYPEMASK):
+			case (FLASH_MXLV320B & FLASH_TYPEMASK):
 				/* Boot sector type: 8 x 8 + N x 128 kB */
 				flashbase += (j < 8) ? 0x4000 : 0x20000;
 				break;
@@ -98,18 +102,18 @@ ulong flash_init (void)
 	 * Protect monitor and environment sectors
 	 */
 	flash_protect ( FLAG_PROTECT_SET,
-			CFG_FLASH_BASE,
-			CFG_FLASH_BASE + monitor_flash_len - 1,
+			CONFIG_SYS_FLASH_BASE,
+			CONFIG_SYS_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]);
+			CONFIG_ENV_ADDR,
+			CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, &flash_info[0]);
 
-#ifdef CFG_ENV_ADDR_REDUND
+#ifdef CONFIG_ENV_ADDR_REDUND
 	flash_protect ( FLAG_PROTECT_SET,
-			CFG_ENV_ADDR_REDUND,
-			CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+			CONFIG_ENV_ADDR_REDUND,
+			CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
 			&flash_info[0]);
 #endif
 
@@ -127,6 +131,8 @@ void flash_print_info (flash_info_t * info)
 			printf ("AMD ");		break;
 	case (FLASH_MAN_FUJ & FLASH_VENDMASK):
 			printf ("FUJITSU ");		break;
+	case (FLASH_MAN_MX  & FLASH_VENDMASK):
+			printf ("MACRONIX ");		break;
 	default:	printf ("Unknown Vendor ");	break;
 	}
 
@@ -134,6 +140,9 @@ void flash_print_info (flash_info_t * info)
 	case (FLASH_AM320B & FLASH_TYPEMASK):
 		printf ("2x Am29LV320DB (32Mbit)\n");
 		break;
+	case (FLASH_MXLV320B & FLASH_TYPEMASK):
+		printf ("2x MX29LV320DB (32Mbit)\n");
+		break;
 	case (FLASH_AM640U & FLASH_TYPEMASK):
 		printf ("2x Am29LV640D (64Mbit)\n");
 		break;
@@ -157,7 +166,7 @@ void flash_print_info (flash_info_t * info)
 	}
 	printf ("\n");
 
-  Done:
+Done:	;
 }
 
 /*-----------------------------------------------------------------------
@@ -188,6 +197,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 	switch (info->flash_id & FLASH_VENDMASK) {
 	case (FLASH_MAN_AMD & FLASH_VENDMASK):	break;	/* OK */
 	case (FLASH_MAN_FUJ & FLASH_VENDMASK):	break;	/* OK */
+	case (FLASH_MAN_MX  & FLASH_VENDMASK):	break;	/* OK */
 	default:
 		debug ("## flash_erase: unknown manufacturer\n");
 		return (ERR_UNKNOWN_FLASH_VENDOR);
@@ -247,7 +257,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 				result = *addr;
 
 				/* check timeout */
-				if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+				if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
 					MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
 					chip1 = TMO;
 					break;
@@ -271,10 +281,12 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 
 			if (chip1 == ERR || chip2 == ERR) {
 				rc = ERR_PROG_ERROR;
+				printf ("Flash erase error\n");
 				goto outahere;
 			}
 			if (chip1 == TMO) {
 				rc = ERR_TIMOUT;
+				printf ("Flash erase timeout error\n");
 				goto outahere;
 			}
 		}
@@ -298,8 +310,7 @@ outahere:
  * Copy memory to flash
  */
 
-volatile static int write_word (flash_info_t * info, ulong dest,
-								ulong data)
+static int write_word (flash_info_t * info, ulong dest, ulong data)
 {
 	vu_long *addr = (vu_long *) dest;
 	ulong result;
@@ -333,8 +344,7 @@ volatile static int write_word (flash_info_t * info, ulong dest,
 
 	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
 	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-	MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
-	*addr = CMD_PROGRAM;
+	MEM_FLASH_ADDR1 = CMD_PROGRAM;
 	*addr = data;
 
 	/* arm simple, non interrupt dependent timer */
@@ -346,7 +356,7 @@ volatile static int write_word (flash_info_t * info, ulong dest,
 		result = *addr;
 
 		/* check timeout */
-		if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+		if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) {
 			chip1 = ERR | TMO;
 			break;
 		}
@@ -378,8 +388,13 @@ volatile static int write_word (flash_info_t * info, ulong dest,
 
 	*addr = CMD_READ_ARRAY;
 
-	if (chip1 == ERR || chip2 == ERR || *addr != data)
+	if (chip1 == ERR || chip2 == ERR || *addr != data) {
 		rc = ERR_PROG_ERROR;
+		printf ("Flash program error\n");
+		debug ("chip1: %#x, chip2: %#x, addr: %#lx *addr: %#lx, "
+		       "data: %#lx\n",
+		       chip1, chip2, addr, *addr, data);
+	}
 
 	if (iflag)
 		enable_interrupts ();
@@ -422,7 +437,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 		}
 
 		if ((rc = write_word (info, wp, data)) != 0) {
-			return (rc);
+			goto Done;
 		}
 		wp += 4;
 	}
@@ -439,9 +454,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 		else {
 			data = *((vu_long *) src);
 		}
-			
+
 		if ((rc = write_word (info, wp, data)) != 0) {
-			return (rc);
+			goto Done;
 		}
 		src += 4;
 		wp += 4;
@@ -449,7 +464,8 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	}
 
 	if (cnt == 0) {
-		return ERR_OK;
+		rc = ERR_OK;
+		goto Done;
 	}
 
 	/*
@@ -464,7 +480,11 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 		data = (data >> 8) | (*(uchar *) cp << 24);
 	}
 
-	return write_word (info, wp, data);
+	rc = write_word (info, wp, data);
+
+	Done:
+
+	return (rc);
 }
 
 /*-----------------------------------------------------------------------
@@ -490,11 +510,14 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
 	case FUJ_MANUFACT:
 		info->flash_id = FLASH_MAN_FUJ;
 		break;
+	case MX_MANUFACT:
+		info->flash_id = FLASH_MAN_MX;
+		break;
 	default:
 		info->flash_id = FLASH_UNKNOWN;
 		info->sector_count = 0;
 		info->size = 0;
-		addr[0] = 0x00FF00FF;		/* restore read mode */
+		addr[0] = CMD_READ_ARRAY;	/* restore read mode */
 		debug ("## flash_init: unknown manufacturer\n");
 		return (0);			/* no or unknown flash	*/
 	}
@@ -509,7 +532,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
 		info->sector_count = 71;
 		info->size = 0x00800000;
 
-		addr[0] = 0x00FF00FF;		/* restore read mode */
+		addr[0] = CMD_READ_ARRAY;	/* restore read mode */
 		break;				/* =>  8 MB		*/
 
 	case AMD_ID_LV640U:
@@ -517,21 +540,29 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
 		info->sector_count = 128;
 		info->size = 0x01000000;
 
-		addr[0] = 0x00F000F0;		/* restore read mode */
+		addr[0] = CMD_READ_ARRAY;	/* restore read mode */
 		break;				/* => 16 MB		*/
 
+	case MX_ID_LV320B:
+		info->flash_id += FLASH_MXLV320B;
+		info->sector_count = 71;
+		info->size = 0x00800000;
+
+		addr[0] = CMD_READ_ARRAY;	/* restore read mode */
+		break;				/* =>  8 MB		*/
+
 	default:
 		debug ("## flash_init: unknown flash chip\n");
 		info->flash_id = FLASH_UNKNOWN;
-		addr[0] = 0x00FF00FF;		/* restore read mode */
+		addr[0] = CMD_READ_ARRAY;	/* restore read mode */
 		return (0);			/* => no or unknown flash */
 
 	}
 
-	if (info->sector_count > CFG_MAX_FLASH_SECT) {
+	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
 		printf ("** ERROR: sector count %d > max (%d) **\n",
-			info->sector_count, CFG_MAX_FLASH_SECT);
-		info->sector_count = CFG_MAX_FLASH_SECT;
+			info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
 	}
 
 	return (info->size);