+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2010-2016 Freescale Semiconductor, Inc.
- */
-
-/* #define DEBUG */
-
-#include <common.h>
-
-#include <command.h>
-#include <env.h>
-#include <env_internal.h>
-#include <linux/stddef.h>
-#include <errno.h>
-#include <memalign.h>
-#include <sata.h>
-#include <search.h>
-
-#if defined(CONFIG_ENV_OFFSET_REDUND)
-#error ENV REDUND not supported
-#endif
-
-#if !defined(CONFIG_ENV_OFFSET) || !defined(CONFIG_ENV_SIZE)
-#error CONFIG_ENV_OFFSET or CONFIG_ENV_SIZE not defined
-#endif
-
-__weak int sata_get_env_dev(void)
-{
- return CONFIG_SYS_SATA_ENV_DEV;
-}
-
-#ifdef CONFIG_CMD_SAVEENV
-static inline int write_env(struct blk_desc *sata, unsigned long size,
- unsigned long offset, void *buffer)
-{
- uint blk_start, blk_cnt, n;
-
- blk_start = ALIGN(offset, sata->blksz) / sata->blksz;
- blk_cnt = ALIGN(size, sata->blksz) / sata->blksz;
-
- n = blk_dwrite(sata, blk_start, blk_cnt, buffer);
-
- return (n == blk_cnt) ? 0 : -1;
-}
-
-static int env_sata_save(void)
-{
- ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
- struct blk_desc *sata = NULL;
- int env_sata, ret;
-
- if (sata_initialize())
- return 1;
-
- env_sata = sata_get_env_dev();
-
- sata = sata_get_dev(env_sata);
- if (sata == NULL) {
- printf("Unknown SATA(%d) device for environment!\n",
- env_sata);
- return 1;
- }
-
- ret = env_export(env_new);
- if (ret)
- return 1;
-
- printf("Writing to SATA(%d)...", env_sata);
- if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, (u_char *)env_new)) {
- puts("failed\n");
- return 1;
- }
-
- puts("done\n");
- return 0;
-}
-#endif /* CONFIG_CMD_SAVEENV */
-
-static inline int read_env(struct blk_desc *sata, unsigned long size,
- unsigned long offset, void *buffer)
-{
- uint blk_start, blk_cnt, n;
-
- blk_start = ALIGN(offset, sata->blksz) / sata->blksz;
- blk_cnt = ALIGN(size, sata->blksz) / sata->blksz;
-
- n = blk_dread(sata, blk_start, blk_cnt, buffer);
-
- return (n == blk_cnt) ? 0 : -1;
-}
-
-static void env_sata_load(void)
-{
- ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
- struct blk_desc *sata = NULL;
- int env_sata;
-
- if (sata_initialize())
- return -EIO;
-
- env_sata = sata_get_env_dev();
-
- sata = sata_get_dev(env_sata);
- if (sata == NULL) {
- printf("Unknown SATA(%d) device for environment!\n", env_sata);
- return -EIO;
- }
-
- if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) {
- env_set_default(NULL, 0);
- return -EIO;
- }
-
- return env_import(buf, 1, H_EXTERNAL);
-}
-
-U_BOOT_ENV_LOCATION(sata) = {
- .location = ENVL_ESATA,
- ENV_NAME("SATA")
- .load = env_sata_load,
- .save = env_save_ptr(env_sata_save),
-};