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/* Copyright 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <libflash/blocklevel.h>
#include "arch_flash.h"
/* Default implementations */
/*
* This just assumes that an erase from zero to total size is
* 'correct'.
* An erase from zero to total size is the correct approach for
* powerpc and x86. ARM has it own function which also includes a call
* to the flash driver.
*/
int __attribute__((weak)) arch_flash_erase_chip(struct blocklevel_device *bl)
{
int rc;
uint64_t total_size;
rc = blocklevel_get_info(bl, NULL, &total_size, NULL);
if (rc)
return rc;
return blocklevel_erase(bl, 0, total_size);
}
int __attribute__((weak)) arch_flash_4b_mode(struct blocklevel_device *bl, int set_4b)
{
return -1;
}
enum flash_access __attribute__((weak)) arch_flash_access(struct blocklevel_device *bl, enum flash_access access)
{
return ACCESS_INVAL;
}
int __attribute__((weak)) arch_flash_set_wrprotect(struct blocklevel_device *bl, int set)
{
return -1;
}
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