+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Andreas Heppel <aheppel@sysgo.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
-#include <environment.h>
+#include <env.h>
+#include <env_internal.h>
+#include <asm/global_data.h>
#include <linux/stddef.h>
#include <malloc.h>
#include <memalign.h>
#include <nand.h>
#include <search.h>
#include <errno.h>
+#include <u-boot/crc.h>
#if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_CMD_NAND) && \
!defined(CONFIG_SPL_BUILD)
#define CMD_SAVEENV
-#elif defined(CONFIG_ENV_OFFSET_REDUND)
+#elif defined(CONFIG_ENV_OFFSET_REDUND) && !defined(CONFIG_SPL_BUILD)
#error CONFIG_ENV_OFFSET_REDUND must have CONFIG_CMD_SAVEENV & CONFIG_CMD_NAND
#endif
-#if defined(CONFIG_ENV_SIZE_REDUND) && \
- (CONFIG_ENV_SIZE_REDUND != CONFIG_ENV_SIZE)
-#error CONFIG_ENV_SIZE_REDUND should be the same as CONFIG_ENV_SIZE
-#endif
-
#ifndef CONFIG_ENV_RANGE
#define CONFIG_ENV_RANGE CONFIG_ENV_SIZE
#endif
#if defined(ENV_IS_EMBEDDED)
-env_t *env_ptr = &environment;
+static env_t *env_ptr = &environment;
#elif defined(CONFIG_NAND_ENV_DST)
-env_t *env_ptr = (env_t *)CONFIG_NAND_ENV_DST;
-#else /* ! ENV_IS_EMBEDDED */
-env_t *env_ptr;
+static env_t *env_ptr = (env_t *)CONFIG_NAND_ENV_DST;
#endif /* ENV_IS_EMBEDDED */
DECLARE_GLOBAL_DATA_PTR;
if (!crc1_ok && !crc2_ok) {
gd->env_addr = 0;
- gd->env_valid = 0;
+ gd->env_valid = ENV_INVALID;
return 0;
} else if (crc1_ok && !crc2_ok) {
gd->env_addr = (ulong)env_ptr->data;
#else /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
- gd->env_addr = (ulong)&default_environment[0];
- gd->env_valid = ENV_VALID;
+ gd->env_valid = ENV_INVALID;
#endif /* ENV_IS_EMBEDDED || CONFIG_NAND_ENV_DST */
return 0;
}
if (oob_buf[0] == ENV_OOB_MARKER) {
- *result = oob_buf[1] * mtd->erasesize;
+ *result = ovoid ob_buf[1] * mtd->erasesize;
} else if (oob_buf[0] == ENV_OOB_MARKER_OLD) {
*result = oob_buf[1];
} else {
#endif
#ifdef CONFIG_ENV_OFFSET_REDUND
-static void env_nand_load(void)
+static int env_nand_load(void)
{
-#if !defined(ENV_IS_EMBEDDED)
- int read1_fail = 0, read2_fail = 0;
+#if defined(ENV_IS_EMBEDDED)
+ return 0;
+#else
+ int read1_fail, read2_fail;
env_t *tmp_env1, *tmp_env2;
+ int ret = 0;
tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
if (tmp_env1 == NULL || tmp_env2 == NULL) {
puts("Can't allocate buffers for environment\n");
- set_default_env("!malloc() failed");
+ env_set_default("malloc() failed", 0);
+ ret = -EIO;
goto done;
}
read1_fail = readenv(CONFIG_ENV_OFFSET, (u_char *) tmp_env1);
read2_fail = readenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) tmp_env2);
- if (read1_fail && read2_fail)
- puts("*** Error - No Valid Environment Area found\n");
- else if (read1_fail || read2_fail)
- puts("*** Warning - some problems detected "
- "reading environment; recovered successfully\n");
-
- if (read1_fail && read2_fail) {
- set_default_env("!bad env area");
- goto done;
- } else if (!read1_fail && read2_fail) {
- gd->env_valid = ENV_VALID;
- env_import((char *)tmp_env1, 1);
- } else if (read1_fail && !read2_fail) {
- gd->env_valid = ENV_REDUND;
- env_import((char *)tmp_env2, 1);
- } else {
- env_import_redund((char *)tmp_env1, (char *)tmp_env2);
- }
+ ret = env_import_redund((char *)tmp_env1, read1_fail, (char *)tmp_env2,
+ read2_fail, H_EXTERNAL);
done:
free(tmp_env1);
free(tmp_env2);
+ return ret;
#endif /* ! ENV_IS_EMBEDDED */
}
#else /* ! CONFIG_ENV_OFFSET_REDUND */
* device i.e., nand_dev_desc + 0. This is also the behaviour using
* the new NAND code.
*/
-static void env_nand_load(void)
+static int env_nand_load(void)
{
#if !defined(ENV_IS_EMBEDDED)
int ret;
if (mtd && !get_nand_env_oob(mtd, &nand_env_oob_offset)) {
printf("Found Environment offset in OOB..\n");
} else {
- set_default_env("!no env offset in OOB");
+ env_set_default("no env offset in OOB", 0);
return;
}
#endif
ret = readenv(CONFIG_ENV_OFFSET, (u_char *)buf);
if (ret) {
- set_default_env("!readenv() failed");
- return;
+ env_set_default("readenv() failed", 0);
+ return -EIO;
}
- env_import(buf, 1);
+ return env_import(buf, 1, H_EXTERNAL);
#endif /* ! ENV_IS_EMBEDDED */
+
+ return 0;
}
#endif /* CONFIG_ENV_OFFSET_REDUND */