X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fflash.c;h=cde648d4b8881bce11d109ba2fcc9ef4d7d99a96;hb=09140113108541b95d340f3c7b6ee597d31ccc73;hp=8244ba2ddde65b029cb5b5f8af9f8236129ddcb7;hpb=f499131867de260c09ad0fafd7dbc3bb5fda3eb4;p=oweals%2Fu-boot.git

diff --git a/common/flash.c b/common/flash.c
index 8244ba2ddd..cde648d4b8 100644
--- a/common/flash.c
+++ b/common/flash.c
@@ -1,32 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (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
  */
 
 /* #define DEBUG */
 
 #include <common.h>
 #include <flash.h>
+#include <uuid.h>
 
-#if !defined(CONFIG_SYS_NO_FLASH)
 #include <mtd/cfi_flash.h>
 
 extern flash_info_t  flash_info[]; /* info for FLASH chips */
@@ -42,7 +25,7 @@ extern flash_info_t  flash_info[]; /* info for FLASH chips */
  * If necessary you have to map the second bank at lower addresses.
  */
 void
-flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
+flash_protect(int flag, ulong from, ulong to, flash_info_t *info)
 {
 	ulong b_end;
 	short s_end;
@@ -56,10 +39,10 @@ flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
 	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" : "???",
-		from, to);
+	debug("%s %s: from 0x%08lX to 0x%08lX\n", __func__,
+	      (flag & FLAG_PROTECT_SET) ? "ON" :
+		      (flag & FLAG_PROTECT_CLEAR) ? "OFF" : "???",
+	      from, to);
 
 	/* There is nothing to do if we have no data about the flash
 	 * or the protect range and flash range don't overlap.
@@ -102,9 +85,8 @@ flash_protect (int flag, ulong from, ulong to, flash_info_t *info)
  */
 
 flash_info_t *
-addr2info (ulong addr)
+addr2info(ulong addr)
 {
-#ifndef CONFIG_SPD823TS
 	flash_info_t *info;
 	int i;
 
@@ -120,7 +102,6 @@ addr2info (ulong addr)
 			return (info);
 		}
 	}
-#endif /* CONFIG_SPD823TS */
 
 	return (NULL);
 }
@@ -131,7 +112,7 @@ addr2info (ulong addr)
  * and no protected sectors are hit.
  * Returns:
  * ERR_OK          0 - OK
- * ERR_TIMOUT      1 - write timeout
+ * ERR_TIMEOUT     1 - write timeout
  * ERR_NOT_ERASED  2 - Flash not erased
  * ERR_PROTECTED   4 - target range includes protected sectors
  * ERR_INVAL       8 - target address not in Flash memory
@@ -139,16 +120,16 @@ addr2info (ulong addr)
  *			(only some targets require alignment)
  */
 int
-flash_write (char *src, ulong addr, ulong cnt)
+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_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);
@@ -185,19 +166,26 @@ 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 */
 }
 
 /*-----------------------------------------------------------------------
  */
 
-void flash_perror (int err)
+void flash_perror(int err)
 {
 	switch (err) {
 	case ERR_OK:
 		break;
-	case ERR_TIMOUT:
+	case ERR_TIMEOUT:
 		puts ("Timeout writing to Flash\n");
 		break;
 	case ERR_NOT_ERASED:
@@ -229,7 +217,3 @@ void flash_perror (int err)
 		break;
 	}
 }
-
-/*-----------------------------------------------------------------------
- */
-#endif /* !CONFIG_SYS_NO_FLASH */