| /* 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,const)) arch_flash_4b_mode(struct blocklevel_device *bl, int set_4b) |
| { |
| (void)bl; |
| (void)set_4b; |
| return -1; |
| } |
| |
| enum flash_access __attribute__((weak,const)) arch_flash_access(struct blocklevel_device *bl, enum flash_access access) |
| { |
| (void)bl; |
| (void)access; |
| return ACCESS_INVAL; |
| } |
| |
| int __attribute__((weak,const)) arch_flash_set_wrprotect(struct blocklevel_device *bl, int set) |
| { |
| (void)bl; |
| (void)set; |
| return -1; |
| } |