X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Ftrab%2Fflash.c;h=8cdd82400bba2b49b2314d14489fa328f97e4c9f;hb=2770bcb21c82835a5351176e5b2a9221d7fc8ef9;hp=d86c4bf7706aea006d2c1c9635c3a946f9a3c763;hpb=1cb8e980c41e86760fa93de63f4e4cf643bef9d9;p=oweals%2Fu-boot.git

diff --git a/board/trab/flash.c b/board/trab/flash.c
index d86c4bf770..8cdd82400b 100644
--- a/board/trab/flash.c
+++ b/board/trab/flash.c
@@ -39,7 +39,10 @@ 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_ADDR		(*(volatile u32 *)CFG_FLASH_BASE)
 #define MEM_FLASH_ADDR1		(*(volatile u32 *)(CFG_FLASH_BASE + (0x00000555 << 2)))
 #define MEM_FLASH_ADDR2		(*(volatile u32 *)(CFG_FLASH_BASE + (0x000002AA << 2)))
 
@@ -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;
@@ -99,7 +103,7 @@ ulong flash_init (void)
 	 */
 	flash_protect ( FLAG_PROTECT_SET,
 			CFG_FLASH_BASE,
-			CFG_FLASH_BASE + _armboot_end_data - _armboot_start,
+			CFG_FLASH_BASE + monitor_flash_len - 1,
 			&flash_info[0]);
 
 	flash_protect ( FLAG_PROTECT_SET,
@@ -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:	;
 }
 
 /*-----------------------------------------------------------------------
@@ -185,9 +194,13 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 		return ERR_INVAL;
 	}
 
-	if ((info->flash_id & FLASH_VENDMASK) !=
-		(FLASH_MAN_AMD & FLASH_VENDMASK)) {
-		return ERR_UNKNOWN_FLASH_VENDOR;
+	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);
 	}
 
 	prot = 0;
@@ -295,8 +308,7 @@ 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;
@@ -328,9 +340,6 @@ volatile static int write_word (flash_info_t * info, ulong dest,
 #endif
 	iflag = disable_interrupts ();
 
-	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-	MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
 	*addr = CMD_PROGRAM;
 	*addr = data;
 
@@ -399,6 +408,10 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	int l;
 	int i, rc;
 
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
+
 	wp = (addr & ~3);	/* get lower word aligned address */
 
 	/*
@@ -419,7 +432,7 @@ 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;
 	}
@@ -428,9 +441,17 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	 * handle word aligned part
 	 */
 	while (cnt >= 4) {
-		data = *((vu_long *) src);
+		if (((ulong)src) & 0x3) {
+			for (i = 0; i < 4; i++) {
+				((char *)&data)[i] = ((vu_char *)src)[i];
+			}
+		}
+		else {
+			data = *((vu_long *) src);
+		}
+
 		if ((rc = write_word (info, wp, data)) != 0) {
-			return (rc);
+			goto Done;
 		}
 		src += 4;
 		wp += 4;
@@ -438,7 +459,8 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	}
 
 	if (cnt == 0) {
-		return ERR_OK;
+		rc = ERR_OK;
+		goto Done;
 	}
 
 	/*
@@ -453,7 +475,14 @@ 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:
+
+	MEM_FLASH_ADDR = CMD_UNLOCK_BYPASS_RES1;
+	MEM_FLASH_ADDR = CMD_UNLOCK_BYPASS_RES2;
+
+	return (rc);
 }
 
 /*-----------------------------------------------------------------------
@@ -479,6 +508,9 @@ 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;
@@ -509,6 +541,14 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
 		addr[0] = 0x00F000F0;		/* restore read mode */
 		break;				/* => 16 MB		*/
 
+	case MX_ID_LV320B:
+		info->flash_id += FLASH_MXLV320B;
+		info->sector_count = 71;
+		info->size = 0x00800000;
+
+		addr[0] = 0x00FF00FF;		/* restore read mode */
+		break;				/* =>  8 MB		*/
+
 	default:
 		debug ("## flash_init: unknown flash chip\n");
 		info->flash_id = FLASH_UNKNOWN;