env_mmc: fix buffer allocation for armv7

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

diff --git a/common/env_mmc.c b/common/env_mmc.c
index 9ca098fa674dbb56911ed1ab3517152d6db84f3c..204d23b31a89e88ee22582964cd56681c66cabd8 100644 (file)
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -1,23 +1,7 @@
 /*
  * (C) Copyright 2008-2011 Freescale Semiconductor, Inc.
  *
- * 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 */
@@ -53,11 +37,19 @@ DECLARE_GLOBAL_DATA_PTR;
 
 __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)
 {
-       *env_addr = CONFIG_ENV_OFFSET;
+       s64 offset;
+
+       offset = CONFIG_ENV_OFFSET;
 #ifdef CONFIG_ENV_OFFSET_REDUND
        if (copy)
-               *env_addr = CONFIG_ENV_OFFSET_REDUND;
+               offset = CONFIG_ENV_OFFSET_REDUND;
 #endif
+
+       if (offset < 0)
+               offset += mmc->capacity;
+
+       *env_addr = offset;
+
        return 0;
 }
 
@@ -200,11 +192,12 @@ void env_relocate_spec(void)
        u32 offset1, offset2;
        int read1_fail = 0, read2_fail = 0;
        int crc1_ok = 0, crc2_ok = 0;
-       env_t *ep, *tmp_env1, *tmp_env2;
+       env_t *ep;
        int ret;
 
-       tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
-       tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
+       ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1);
+       ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1);
+
        if (tmp_env1 == NULL || tmp_env2 == NULL) {
                puts("Can't allocate buffers for environment\n");
                ret = 1;
@@ -274,8 +267,6 @@ err:
        if (ret)
                set_default_env(NULL);
 
-       free(tmp_env1);
-       free(tmp_env2);
 #endif
 }
 #else /* ! CONFIG_ENV_OFFSET_REDUND */