X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fflash.c;h=fa33f03d2ed3e285267c2fd1b3f8448b7db59ab6;hb=193781c1c232477e78a8d457f927a635a8d1c510;hp=888ff9c67c676918f5bed737bccb93e7ae058c1d;hpb=3b3bff4cbf2cb14f9a3e7d03f26ebab900efe4ae;p=karo-tx-uboot.git

diff --git a/common/flash.c b/common/flash.c
index 888ff9c67c..fa33f03d2e 100644
--- a/common/flash.c
+++ b/common/flash.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2000
  * 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
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* #define DEBUG */
@@ -26,7 +10,8 @@
 #include <common.h>
 #include <flash.h>
 
-#if !defined(CFG_NO_FLASH)
+#if !defined(CONFIG_SYS_NO_FLASH)
+#include <mtd/cfi_flash.h>
 
 extern flash_info_t  flash_info[]; /* info for FLASH chips */
 
@@ -43,15 +28,18 @@ extern flash_info_t  flash_info[]; /* info for FLASH chips */
 void
 flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
 {
-	ulong b_end = info->start[0] + info->size - 1;	/* bank end address */
-	short s_end = info->sector_count - 1;	/* index of last sector */
+	ulong b_end;
+	short s_end;
 	int i;
 
 	/* Do nothing if input data is bad. */
-	if (info->sector_count == 0 || info->size == 0 || to < from) {
+	if (!info || info->sector_count == 0 || info->size == 0 || to < from) {
 		return;
 	}
 
+	s_end = info->sector_count - 1;	/* index of last sector */
+	b_end = info->start[0] + info->size - 1;	/* bank end address */
+
 	debug ("flash_protect %s: from 0x%08lX to 0x%08lX\n",
 		(flag & FLAG_PROTECT_SET) ? "ON" :
 			(flag & FLAG_PROTECT_CLEAR) ? "OFF" : "???",
@@ -75,19 +63,19 @@ flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
 		 */
 		if (from <= end && to >= info->start[i]) {
 			if (flag & FLAG_PROTECT_CLEAR) {
-#if defined(CFG_FLASH_PROTECTION)
+#if defined(CONFIG_SYS_FLASH_PROTECTION)
 				flash_real_protect(info, i, 0);
 #else
 				info->protect[i] = 0;
-#endif	/* CFG_FLASH_PROTECTION */
+#endif	/* CONFIG_SYS_FLASH_PROTECTION */
 				debug ("protect off %d\n", i);
 			}
 			else if (flag & FLAG_PROTECT_SET) {
-#if defined(CFG_FLASH_PROTECTION)
+#if defined(CONFIG_SYS_FLASH_PROTECTION)
 				flash_real_protect(info, i, 1);
 #else
 				info->protect[i] = 1;
-#endif	/* CFG_FLASH_PROTECTION */
+#endif	/* CONFIG_SYS_FLASH_PROTECTION */
 				debug ("protect on %d\n", i);
 			}
 		}
@@ -100,11 +88,10 @@ flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
 flash_info_t *
 addr2info (ulong addr)
 {
-#ifndef CONFIG_SPD823TS
 	flash_info_t *info;
 	int i;
 
-	for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
+	for (i=0, info = &flash_info[0]; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
 		if (info->flash_id != FLASH_UNKNOWN &&
 		    addr >= info->start[0] &&
 		    /* WARNING - The '- 1' is needed if the flash
@@ -116,7 +103,6 @@ addr2info (ulong addr)
 			return (info);
 		}
 	}
-#endif /* CONFIG_SPD823TS */
 
 	return (NULL);
 }
@@ -137,14 +123,14 @@ addr2info (ulong addr)
 int
 flash_write (char *src, ulong addr, ulong cnt)
 {
-#ifdef CONFIG_SPD823TS
-	return (ERR_TIMOUT);	/* any other error codes are possible as well */
-#else
 	int i;
 	ulong         end        = addr + cnt - 1;
 	flash_info_t *info_first = addr2info (addr);
 	flash_info_t *info_last  = addr2info (end );
 	flash_info_t *info;
+	__maybe_unused char *src_orig = src;
+	__maybe_unused char *addr_orig = (char *)addr;
+	__maybe_unused ulong cnt_orig = cnt;
 
 	if (cnt == 0) {
 		return (ERR_OK);
@@ -181,8 +167,15 @@ flash_write (char *src, ulong addr, ulong cnt)
 		addr += len;
 		src  += len;
 	}
+
+#if defined(CONFIG_FLASH_VERIFY)
+	if (memcmp(src_orig, addr_orig, cnt_orig)) {
+		printf("\nVerify failed!\n");
+		return ERR_PROG_ERROR;
+	}
+#endif /* CONFIG_SYS_FLASH_VERIFY_AFTER_WRITE */
+
 	return (ERR_OK);
-#endif /* CONFIG_SPD823TS */
 }
 
 /*-----------------------------------------------------------------------
@@ -217,6 +210,9 @@ void flash_perror (int err)
 	case ERR_PROG_ERROR:
 		puts ("General Flash Programming Error\n");
 		break;
+	case ERR_ABORTED:
+		puts("Flash Programming Aborted\n");
+		break;
 	default:
 		printf ("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
 		break;
@@ -225,4 +221,4 @@ void flash_perror (int err)
 
 /*-----------------------------------------------------------------------
  */
-#endif /* !CFG_NO_FLASH */
+#endif /* !CONFIG_SYS_NO_FLASH */