dm: pmic: max77686: Correct two typos in a comment

[karo-tx-uboot.git] / common / flash.c

diff --git a/common/flash.c b/common/flash.c
index a64bc985299500bcd2f995ba14740c9af939bfdd..fa33f03d2ed3e285267c2fd1b3f8448b7db59ab6 100644 (file)
--- 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 */
 
@@ -43,20 +28,23 @@ 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 || 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" : "???",
                from, to);
 
-       /* Do nothing if input data is bad. */
-       if (info->sector_count == 0 || info->size == 0 || to < from) {
-               return;
-       }
-
        /* There is nothing to do if we have no data about the flash
         * or the protect range and flash range don't overlap.
         */
@@ -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 */