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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2010
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Andreas Heppel <aheppel@sysgo.de>
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*/
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#include <common.h>
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#include <command.h>
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#include <env.h>
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#include <env_internal.h>
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#include <asm/global_data.h>
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#include <linux/stddef.h>
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#include <search.h>
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#include <errno.h>
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#include <u-boot/crc.h>
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DECLARE_GLOBAL_DATA_PTR;
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static env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
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static int env_nvram_load(void)
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{
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char buf[CONFIG_ENV_SIZE];
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memcpy(buf, (void *)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE);
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return env_import(buf, 1, H_EXTERNAL);
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}
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static int env_nvram_save(void)
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{
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env_t env_new;
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int rcode = 0;
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rcode = env_export(&env_new);
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if (rcode)
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return rcode;
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if (memcpy((char *)CONFIG_ENV_ADDR, &env_new, CONFIG_ENV_SIZE) == NULL)
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rcode = 1;
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return rcode;
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}
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/*
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* Initialize Environment use
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*
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* We are still running from ROM, so data use is limited
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*/
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static int env_nvram_init(void)
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{
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if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
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gd->env_addr = (ulong)&env_ptr->data;
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gd->env_valid = ENV_VALID;
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} else {
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gd->env_valid = ENV_INVALID;
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}
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return 0;
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}
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U_BOOT_ENV_LOCATION(nvram) = {
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.location = ENVL_NVRAM,
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ENV_NAME("NVRAM")
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.load = env_nvram_load,
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.save = env_save_ptr(env_nvram_save),
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.init = env_nvram_init,
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};
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