mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_ARM_FM/TARGET_FVP_MPS2/flash_api.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 187:0387e8f68319 1 /*
AnnaBridge 187:0387e8f68319 2 * Copyright (c) 2017-2018 ARM Limited
AnnaBridge 187:0387e8f68319 3 *
AnnaBridge 187:0387e8f68319 4 * Licensed under the Apache License Version 2.0 (the "License");
AnnaBridge 187:0387e8f68319 5 * you may not use this file except in compliance with the License.
AnnaBridge 187:0387e8f68319 6 * You may obtain a copy of the License at
AnnaBridge 187:0387e8f68319 7 *
AnnaBridge 187:0387e8f68319 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 187:0387e8f68319 9 *
AnnaBridge 187:0387e8f68319 10 * Unless required by applicable law or agreed to in writing software
AnnaBridge 187:0387e8f68319 11 * distributed under the License is distributed on an "AS IS" BASIS
AnnaBridge 187:0387e8f68319 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied.
AnnaBridge 187:0387e8f68319 13 * See the License for the specific language governing permissions and
AnnaBridge 187:0387e8f68319 14 * limitations under the License.
AnnaBridge 187:0387e8f68319 15 */
AnnaBridge 187:0387e8f68319 16
AnnaBridge 189:f392fc9709a3 17 #include "string.h"
AnnaBridge 187:0387e8f68319 18 #include "device.h"
AnnaBridge 187:0387e8f68319 19 #include "flash_api.h"
AnnaBridge 187:0387e8f68319 20 #include "memory_zones.h"
AnnaBridge 187:0387e8f68319 21
AnnaBridge 187:0387e8f68319 22 /* Fast Model FVP MPS2 is modeling after V2M-MPS2 platform with a FPGA (AN385).
AnnaBridge 187:0387e8f68319 23 * The implementation emulates flash over SRAM.
AnnaBridge 187:0387e8f68319 24 */
AnnaBridge 187:0387e8f68319 25
AnnaBridge 189:f392fc9709a3 26 #define FLASH_PAGE_SIZE 4U
AnnaBridge 187:0387e8f68319 27 #define FLASH_OFS_START ZBT_SRAM1_START
AnnaBridge 187:0387e8f68319 28 #define FLASH_SECTOR_SIZE 0x1000
AnnaBridge 187:0387e8f68319 29 #define FLASH_OFS_END (ZBT_SRAM1_START + ZBT_SRAM1_SIZE)
AnnaBridge 187:0387e8f68319 30
AnnaBridge 187:0387e8f68319 31 int32_t flash_init(flash_t *obj)
AnnaBridge 187:0387e8f68319 32 {
AnnaBridge 187:0387e8f68319 33 (void)obj;
AnnaBridge 187:0387e8f68319 34
AnnaBridge 187:0387e8f68319 35 return 0;
AnnaBridge 187:0387e8f68319 36 }
AnnaBridge 187:0387e8f68319 37
AnnaBridge 187:0387e8f68319 38 int32_t flash_free(flash_t *obj)
AnnaBridge 187:0387e8f68319 39 {
AnnaBridge 187:0387e8f68319 40 (void)obj;
AnnaBridge 187:0387e8f68319 41
AnnaBridge 187:0387e8f68319 42 return 0;
AnnaBridge 187:0387e8f68319 43 }
AnnaBridge 187:0387e8f68319 44
AnnaBridge 187:0387e8f68319 45 int32_t flash_erase_sector(flash_t *obj, uint32_t address)
AnnaBridge 187:0387e8f68319 46 {
AnnaBridge 187:0387e8f68319 47 (void)obj;
AnnaBridge 187:0387e8f68319 48
AnnaBridge 187:0387e8f68319 49 memset((void *)address, 0xff, FLASH_SECTOR_SIZE);
AnnaBridge 187:0387e8f68319 50
AnnaBridge 187:0387e8f68319 51 return 0;
AnnaBridge 187:0387e8f68319 52 }
AnnaBridge 187:0387e8f68319 53
AnnaBridge 187:0387e8f68319 54 int32_t flash_read(flash_t *obj, uint32_t address,
AnnaBridge 187:0387e8f68319 55 uint8_t *data, uint32_t size)
AnnaBridge 187:0387e8f68319 56 {
AnnaBridge 187:0387e8f68319 57 (void)obj;
AnnaBridge 187:0387e8f68319 58
AnnaBridge 187:0387e8f68319 59 memcpy(data, (void *)address, size);
AnnaBridge 187:0387e8f68319 60
AnnaBridge 187:0387e8f68319 61 return 0;
AnnaBridge 187:0387e8f68319 62 }
AnnaBridge 187:0387e8f68319 63
AnnaBridge 187:0387e8f68319 64 int32_t flash_program_page(flash_t *obj, uint32_t address,
AnnaBridge 187:0387e8f68319 65 const uint8_t *data, uint32_t size)
AnnaBridge 187:0387e8f68319 66 {
AnnaBridge 187:0387e8f68319 67 (void)obj;
AnnaBridge 187:0387e8f68319 68
AnnaBridge 187:0387e8f68319 69 memcpy((void *)address, data, size);
AnnaBridge 187:0387e8f68319 70
AnnaBridge 187:0387e8f68319 71 return 0;
AnnaBridge 187:0387e8f68319 72 }
AnnaBridge 187:0387e8f68319 73
AnnaBridge 187:0387e8f68319 74 uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
AnnaBridge 187:0387e8f68319 75 {
AnnaBridge 187:0387e8f68319 76 (void)obj;
AnnaBridge 187:0387e8f68319 77
AnnaBridge 187:0387e8f68319 78 if (address < FLASH_OFS_START || address >= FLASH_OFS_END) {
AnnaBridge 187:0387e8f68319 79 return MBED_FLASH_INVALID_SIZE;
AnnaBridge 187:0387e8f68319 80 }
AnnaBridge 187:0387e8f68319 81
AnnaBridge 187:0387e8f68319 82 return FLASH_SECTOR_SIZE;
AnnaBridge 187:0387e8f68319 83 }
AnnaBridge 187:0387e8f68319 84
AnnaBridge 187:0387e8f68319 85 uint32_t flash_get_page_size(const flash_t *obj)
AnnaBridge 187:0387e8f68319 86 {
AnnaBridge 187:0387e8f68319 87 (void)obj;
AnnaBridge 187:0387e8f68319 88
AnnaBridge 187:0387e8f68319 89 return FLASH_PAGE_SIZE;
AnnaBridge 187:0387e8f68319 90 }
AnnaBridge 187:0387e8f68319 91
AnnaBridge 187:0387e8f68319 92 uint32_t flash_get_start_address(const flash_t *obj)
AnnaBridge 187:0387e8f68319 93 {
AnnaBridge 187:0387e8f68319 94 (void)obj;
AnnaBridge 187:0387e8f68319 95
AnnaBridge 187:0387e8f68319 96 return FLASH_OFS_START;
AnnaBridge 187:0387e8f68319 97 }
AnnaBridge 187:0387e8f68319 98
AnnaBridge 187:0387e8f68319 99 uint32_t flash_get_size(const flash_t *obj)
AnnaBridge 187:0387e8f68319 100 {
AnnaBridge 187:0387e8f68319 101 (void)obj;
AnnaBridge 187:0387e8f68319 102
AnnaBridge 187:0387e8f68319 103 return ZBT_SRAM1_SIZE;
AnnaBridge 187:0387e8f68319 104 }
AnnaBridge 189:f392fc9709a3 105
AnnaBridge 189:f392fc9709a3 106 uint8_t flash_get_erase_value(const flash_t *obj)
AnnaBridge 189:f392fc9709a3 107 {
AnnaBridge 189:f392fc9709a3 108 (void)obj;
AnnaBridge 189:f392fc9709a3 109
AnnaBridge 189:f392fc9709a3 110 return 0xFF;
AnnaBridge 189:f392fc9709a3 111 }