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Diffstat (limited to 'env/dataflash.c')
-rw-r--r--env/dataflash.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/env/dataflash.c b/env/dataflash.c
deleted file mode 100644
index 77bc595e0d..0000000000
--- a/env/dataflash.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * LowLevel function for DataFlash environment support
- * Author : Gilles Gastaldi (Atmel)
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <common.h>
-#include <command.h>
-#include <environment.h>
-#include <linux/stddef.h>
-#include <dataflash.h>
-#include <search.h>
-#include <errno.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static int env_dataflash_get_char(int index)
-{
- uchar c;
-
- read_dataflash(CONFIG_ENV_ADDR + index + offsetof(env_t, data),
- 1, (char *)&c);
- return c;
-}
-
-static int env_dataflash_load(void)
-{
- ulong crc, new = 0;
- unsigned off;
- char buf[CONFIG_ENV_SIZE];
-
- /* Read old CRC */
- read_dataflash(CONFIG_ENV_ADDR + offsetof(env_t, crc),
- sizeof(ulong), (char *)&crc);
-
- /* Read whole environment */
- read_dataflash(CONFIG_ENV_ADDR, CONFIG_ENV_SIZE, buf);
-
- /* Calculate the CRC */
- off = offsetof(env_t, data);
- new = crc32(new, (unsigned char *)(buf + off), ENV_SIZE);
-
- if (crc == new)
- env_import(buf, 1);
- else
- set_default_env("!bad CRC");
-
- return 0;
-}
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
-#error No support for redundant environment on dataflash yet!
-#endif
-
-static int env_dataflash_save(void)
-{
- env_t env_new;
- int ret;
-
- ret = env_export(&env_new);
- if (ret)
- return ret;
-
- return write_dataflash(CONFIG_ENV_ADDR,
- (unsigned long)&env_new,
- CONFIG_ENV_SIZE);
-}
-
-U_BOOT_ENV_LOCATION(dataflash) = {
- .location = ENVL_DATAFLASH,
- ENV_NAME("dataflash")
- .get_char = env_dataflash_get_char,
- .load = env_dataflash_load,
- .save = env_save_ptr(env_dataflash_save),
-};