Amit Gandhi / mbed-dev

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Fork of mbed-dev by mbed official

targets/TARGET_Realtek/TARGET_AMEBA/flash_ext.c@178:d650f5d4c87a, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 13:50:44 2017 +0000
Revision:
178:d650f5d4c87a
Parent:
171:19eb464bc2be 
This updates the lib to the mbed lib v 155

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 169:9672193075cf 1 /* mbed Microcontroller Library
AnnaBridge 169:9672193075cf 2 * Copyright (c) 2013-2016 Realtek Semiconductor Corp.
AnnaBridge 169:9672193075cf 3 *
AnnaBridge 169:9672193075cf 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 169:9672193075cf 5 * you may not use this file except in compliance with the License.
AnnaBridge 169:9672193075cf 6 * You may obtain a copy of the License at
AnnaBridge 169:9672193075cf 7 *
AnnaBridge 169:9672193075cf 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 169:9672193075cf 9 *
AnnaBridge 169:9672193075cf 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 169:9672193075cf 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 169:9672193075cf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 169:9672193075cf 13 * See the License for the specific language governing permissions and
AnnaBridge 169:9672193075cf 14 * limitations under the License.
AnnaBridge 169:9672193075cf 15 */
AnnaBridge 169:9672193075cf 16 #include "objects.h"
AnnaBridge 169:9672193075cf 17 #include "PinNames.h"
AnnaBridge 169:9672193075cf 18 #include "pinmap.h"
AnnaBridge 169:9672193075cf 19
AnnaBridge 169:9672193075cf 20 #include "rtl8195a.h"
AnnaBridge 169:9672193075cf 21 #include "flash_ext.h"
AnnaBridge 169:9672193075cf 22
AnnaBridge 169:9672193075cf 23 extern u32 ConfigDebugInfo;
AnnaBridge 169:9672193075cf 24 extern SPIC_INIT_PARA SpicInitParaAllClk[3][CPU_CLK_TYPE_NO];
AnnaBridge 169:9672193075cf 25
AnnaBridge 169:9672193075cf 26 static int flash_inited = 0;
AnnaBridge 169:9672193075cf 27 static flash_t flashobj;
AnnaBridge 169:9672193075cf 28 static void flash_ext_init(void)
AnnaBridge 169:9672193075cf 29 {
AnnaBridge 169:9672193075cf 30 if (!SpicFlashInitRtl8195A(SpicOneBitMode)){
AnnaBridge 169:9672193075cf 31 HAL_WRITE32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3, HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3)|0xf);
AnnaBridge 169:9672193075cf 32 } else {
AnnaBridge 169:9672193075cf 33 flash_inited = 1;
AnnaBridge 169:9672193075cf 34 }
AnnaBridge 169:9672193075cf 35 flashobj.SpicInitPara.flashtype = SpicInitParaAllClk[0][0].flashtype;
AnnaBridge 169:9672193075cf 36 }
AnnaBridge 169:9672193075cf 37
AnnaBridge 169:9672193075cf 38 void __flash_ext_turnon(void)
AnnaBridge 169:9672193075cf 39 {
AnnaBridge 169:9672193075cf 40 SPI_FLASH_PIN_FCTRL(ON);
AnnaBridge 169:9672193075cf 41 SpicWaitBusyDoneRtl8195A();
AnnaBridge 169:9672193075cf 42
AnnaBridge 169:9672193075cf 43 if (flash_inited == 0) {
AnnaBridge 169:9672193075cf 44 flash_ext_init();
AnnaBridge 169:9672193075cf 45 }
AnnaBridge 169:9672193075cf 46 }
AnnaBridge 169:9672193075cf 47
AnnaBridge 169:9672193075cf 48 void __flash_ext_turnoff(void)
AnnaBridge 169:9672193075cf 49 {
AnnaBridge 169:9672193075cf 50 SpicDisableRtl8195A();
AnnaBridge 169:9672193075cf 51 }
AnnaBridge 169:9672193075cf 52
AnnaBridge 169:9672193075cf 53 void flash_ext_write_protect(flash_t *obj, uint32_t protect)
AnnaBridge 169:9672193075cf 54 {
AnnaBridge 169:9672193075cf 55 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 56 SpicWriteProtectFlashRtl8195A(protect);
AnnaBridge 169:9672193075cf 57 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 58 }
AnnaBridge 169:9672193075cf 59
AnnaBridge 169:9672193075cf 60 void __flash_ext_erase_sector(flash_t *obj, uint32_t address)
AnnaBridge 169:9672193075cf 61 {
AnnaBridge 169:9672193075cf 62 SpicSectorEraseFlashRtl8195A(SPI_FLASH_BASE+address);
AnnaBridge 169:9672193075cf 63 }
AnnaBridge 169:9672193075cf 64
AnnaBridge 169:9672193075cf 65 void flash_ext_erase_sector(flash_t *obj, uint32_t address)
AnnaBridge 169:9672193075cf 66 {
AnnaBridge 169:9672193075cf 67 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 68 __flash_ext_erase_sector(obj, address);
AnnaBridge 169:9672193075cf 69 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 70 }
AnnaBridge 169:9672193075cf 71
AnnaBridge 169:9672193075cf 72 void flash_ext_erase_block(flash_t *obj, uint32_t address)
AnnaBridge 169:9672193075cf 73 {
AnnaBridge 169:9672193075cf 74 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 75 SpicBlockEraseFlashRtl8195A(SPI_FLASH_BASE+address);
AnnaBridge 169:9672193075cf 76 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 77 }
AnnaBridge 169:9672193075cf 78
AnnaBridge 169:9672193075cf 79 int flash_ext_read_word(flash_t *obj, uint32_t address, uint32_t *data)
AnnaBridge 169:9672193075cf 80 {
AnnaBridge 169:9672193075cf 81 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 82
AnnaBridge 169:9672193075cf 83 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 84 *data = HAL_READ32(SPI_FLASH_BASE, address);
AnnaBridge 169:9672193075cf 85 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 86 return 0;
AnnaBridge 169:9672193075cf 87 }
AnnaBridge 169:9672193075cf 88
AnnaBridge 169:9672193075cf 89 /**
AnnaBridge 169:9672193075cf 90 * @brief Write a word to specified address
AnnaBridge 169:9672193075cf 91 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 92 * @param address: Specifies the address to be programmed.
AnnaBridge 169:9672193075cf 93 * @param data: Specified the data to be programmed.
AnnaBridge 169:9672193075cf 94 * @retval status: Success:1 or Failure: Others.
AnnaBridge 169:9672193075cf 95 */
AnnaBridge 169:9672193075cf 96 int flash_ext_write_word(flash_t *obj, uint32_t address, uint32_t data)
AnnaBridge 169:9672193075cf 97 {
AnnaBridge 169:9672193075cf 98 u8 flashtype = 0;
AnnaBridge 169:9672193075cf 99 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 100
AnnaBridge 169:9672193075cf 101 flashtype = flashobj.SpicInitPara.flashtype;
AnnaBridge 169:9672193075cf 102 HAL_WRITE32(SPI_FLASH_BASE, address, data);
AnnaBridge 169:9672193075cf 103 SpicWaitBusyDoneRtl8195A();
AnnaBridge 169:9672193075cf 104
AnnaBridge 169:9672193075cf 105 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 106 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 107 } else {
AnnaBridge 169:9672193075cf 108 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 109 }
AnnaBridge 169:9672193075cf 110
AnnaBridge 169:9672193075cf 111 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 112 return 0;
AnnaBridge 169:9672193075cf 113 }
AnnaBridge 169:9672193075cf 114
AnnaBridge 169:9672193075cf 115 /**
AnnaBridge 169:9672193075cf 116 * @brief Read a stream of data from specified address
AnnaBridge 169:9672193075cf 117 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 118 * @param address: Specifies the address to be read.
AnnaBridge 169:9672193075cf 119 * @param len: Specifies the length of the data to read.
AnnaBridge 169:9672193075cf 120 * @param data: Specified the address to save the readback data.
AnnaBridge 169:9672193075cf 121 * @retval status: Success:1 or Failure: Others.
AnnaBridge 169:9672193075cf 122 */
AnnaBridge 169:9672193075cf 123 int flash_ext_stream_read(flash_t *obj, uint32_t addr, uint32_t len, uint8_t *data)
AnnaBridge 169:9672193075cf 124 {
AnnaBridge 169:9672193075cf 125 uint32_t i, offset, word;
AnnaBridge 169:9672193075cf 126 uint8_t *ptr, *pbuf;
AnnaBridge 169:9672193075cf 127
AnnaBridge 169:9672193075cf 128 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 129
AnnaBridge 169:9672193075cf 130 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
Kojto 171:19eb464bc2be 131
AnnaBridge 169:9672193075cf 132 offset = addr & 0x03;
AnnaBridge 169:9672193075cf 133 addr = addr & ~0x03;
AnnaBridge 169:9672193075cf 134 pbuf = data;
AnnaBridge 169:9672193075cf 135 if (offset != 0) {
AnnaBridge 169:9672193075cf 136 word = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 137 ptr = (uint8_t *)&word + offset;
AnnaBridge 169:9672193075cf 138 offset = 4 - offset;
AnnaBridge 169:9672193075cf 139 for (i = 0; i < offset && len > 0; i++, len--) {
AnnaBridge 169:9672193075cf 140 *pbuf = *ptr;
AnnaBridge 169:9672193075cf 141 pbuf++;
AnnaBridge 169:9672193075cf 142 ptr++;
AnnaBridge 169:9672193075cf 143 }
AnnaBridge 169:9672193075cf 144 addr += 4;
AnnaBridge 169:9672193075cf 145 }
AnnaBridge 169:9672193075cf 146
AnnaBridge 169:9672193075cf 147 ptr = (uint8_t *)&word;
AnnaBridge 169:9672193075cf 148 if ((uint32_t)pbuf & 0x03) {
AnnaBridge 169:9672193075cf 149 while (len >= 4) {
AnnaBridge 169:9672193075cf 150 word = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 151 for (i = 0; i < 4; i++) {
AnnaBridge 169:9672193075cf 152 *pbuf = *(ptr+i);
AnnaBridge 169:9672193075cf 153 pbuf++;
AnnaBridge 169:9672193075cf 154 }
AnnaBridge 169:9672193075cf 155 addr += 4;
AnnaBridge 169:9672193075cf 156 len -= 4;
AnnaBridge 169:9672193075cf 157 }
AnnaBridge 169:9672193075cf 158 } else {
AnnaBridge 169:9672193075cf 159 while (len >= 4) {
AnnaBridge 169:9672193075cf 160 *((uint32_t *)pbuf) = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 161 pbuf += 4;
AnnaBridge 169:9672193075cf 162 addr += 4;
AnnaBridge 169:9672193075cf 163 len -= 4;
AnnaBridge 169:9672193075cf 164 }
AnnaBridge 169:9672193075cf 165 }
AnnaBridge 169:9672193075cf 166
AnnaBridge 169:9672193075cf 167 if (len > 0) {
AnnaBridge 169:9672193075cf 168 word = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 169 for (i = 0; i < len; i++) {
AnnaBridge 169:9672193075cf 170 *pbuf = *(ptr+i);
AnnaBridge 169:9672193075cf 171 pbuf++;
AnnaBridge 169:9672193075cf 172 }
AnnaBridge 169:9672193075cf 173 }
AnnaBridge 169:9672193075cf 174
AnnaBridge 169:9672193075cf 175 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 176 return 0;
AnnaBridge 169:9672193075cf 177 }
AnnaBridge 169:9672193075cf 178
AnnaBridge 169:9672193075cf 179 /**
AnnaBridge 169:9672193075cf 180 * @brief Write a stream of data to specified address
AnnaBridge 169:9672193075cf 181 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 182 * @param address: Specifies the address to be read.
AnnaBridge 169:9672193075cf 183 * @param len: Specifies the length of the data to write.
AnnaBridge 169:9672193075cf 184 * @param data: Specified the pointer of the data to be written.
AnnaBridge 169:9672193075cf 185 * @retval status: Success:1 or Failure: Others.
AnnaBridge 169:9672193075cf 186 */
AnnaBridge 169:9672193075cf 187 int __flash_ext_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
AnnaBridge 169:9672193075cf 188 {
AnnaBridge 169:9672193075cf 189 uint32_t i, offset, word;
AnnaBridge 169:9672193075cf 190 const uint8_t*pbuf;
AnnaBridge 169:9672193075cf 191 uint8_t *ptr;
Kojto 171:19eb464bc2be 192 u8 flashtype = 0;
AnnaBridge 169:9672193075cf 193
AnnaBridge 169:9672193075cf 194 offset = addr & 0x03;
AnnaBridge 169:9672193075cf 195 addr = addr & ~0x03;
AnnaBridge 169:9672193075cf 196 pbuf = data;
AnnaBridge 169:9672193075cf 197 flashtype = flashobj.SpicInitPara.flashtype;
Kojto 171:19eb464bc2be 198
AnnaBridge 169:9672193075cf 199 if (offset != 0) {
AnnaBridge 169:9672193075cf 200 word = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 201 ptr = (uint8_t *)&word + offset;
AnnaBridge 169:9672193075cf 202 offset = 4 - offset;
AnnaBridge 169:9672193075cf 203 for (i = 0; i < offset && len > 0; i++, len--) {
AnnaBridge 169:9672193075cf 204 *ptr = *pbuf;
AnnaBridge 169:9672193075cf 205 pbuf++;
AnnaBridge 169:9672193075cf 206 ptr++;
AnnaBridge 169:9672193075cf 207 }
AnnaBridge 169:9672193075cf 208 HAL_WRITE32(SPI_FLASH_BASE, addr, word);
AnnaBridge 169:9672193075cf 209 SpicWaitBusyDoneRtl8195A();
Kojto 171:19eb464bc2be 210
AnnaBridge 169:9672193075cf 211 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 212 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 213 } else {
AnnaBridge 169:9672193075cf 214 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 215 }
AnnaBridge 169:9672193075cf 216 addr += 4;
AnnaBridge 169:9672193075cf 217 }
AnnaBridge 169:9672193075cf 218
AnnaBridge 169:9672193075cf 219 if ((uint32_t)pbuf & 0x03) {
AnnaBridge 169:9672193075cf 220 while (len >= 4) {
AnnaBridge 169:9672193075cf 221 word = (uint32_t)(*pbuf) | ((uint32_t)(*(pbuf+1)) << 8)|
AnnaBridge 169:9672193075cf 222 ((uint32_t)(*(pbuf+2)) << 16) | ((uint32_t)(*(pbuf+3)) << 24);
AnnaBridge 169:9672193075cf 223 HAL_WRITE32(SPI_FLASH_BASE, addr, word);
AnnaBridge 169:9672193075cf 224 SpicWaitBusyDoneRtl8195A();
Kojto 171:19eb464bc2be 225
AnnaBridge 169:9672193075cf 226 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 227 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 228 } else {
AnnaBridge 169:9672193075cf 229 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 230 }
AnnaBridge 169:9672193075cf 231
AnnaBridge 169:9672193075cf 232 pbuf += 4;
AnnaBridge 169:9672193075cf 233 addr += 4;
AnnaBridge 169:9672193075cf 234 len -= 4;
AnnaBridge 169:9672193075cf 235 }
AnnaBridge 169:9672193075cf 236 } else {
AnnaBridge 169:9672193075cf 237 while (len >= 4) {
AnnaBridge 169:9672193075cf 238 HAL_WRITE32(SPI_FLASH_BASE, addr, (uint32_t)*((uint32_t *)pbuf));
AnnaBridge 169:9672193075cf 239 SpicWaitBusyDoneRtl8195A();
Kojto 171:19eb464bc2be 240
AnnaBridge 169:9672193075cf 241 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 242 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 243 } else {
AnnaBridge 169:9672193075cf 244 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 245 }
AnnaBridge 169:9672193075cf 246
AnnaBridge 169:9672193075cf 247 pbuf += 4;
AnnaBridge 169:9672193075cf 248 addr += 4;
AnnaBridge 169:9672193075cf 249 len -= 4;
AnnaBridge 169:9672193075cf 250 }
AnnaBridge 169:9672193075cf 251 }
AnnaBridge 169:9672193075cf 252
AnnaBridge 169:9672193075cf 253 if (len > 0) {
AnnaBridge 169:9672193075cf 254 word = HAL_READ32(SPI_FLASH_BASE, addr);
AnnaBridge 169:9672193075cf 255 ptr = (uint8_t*)&word;
AnnaBridge 169:9672193075cf 256 for (i = 0; i < len; i++) {
AnnaBridge 169:9672193075cf 257 *(ptr+i) = *pbuf;
AnnaBridge 169:9672193075cf 258 pbuf++;
AnnaBridge 169:9672193075cf 259 }
AnnaBridge 169:9672193075cf 260
AnnaBridge 169:9672193075cf 261 HAL_WRITE32(SPI_FLASH_BASE, addr, word);
AnnaBridge 169:9672193075cf 262 SpicWaitBusyDoneRtl8195A();
Kojto 171:19eb464bc2be 263
AnnaBridge 169:9672193075cf 264 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 265 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 266 } else {
AnnaBridge 169:9672193075cf 267 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 268 }
AnnaBridge 169:9672193075cf 269 }
AnnaBridge 169:9672193075cf 270
AnnaBridge 169:9672193075cf 271 return 0;
AnnaBridge 169:9672193075cf 272 }
AnnaBridge 169:9672193075cf 273
Kojto 171:19eb464bc2be 274 int flash_ext_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
AnnaBridge 169:9672193075cf 275 {
AnnaBridge 169:9672193075cf 276 int32_t status;
AnnaBridge 169:9672193075cf 277
AnnaBridge 169:9672193075cf 278 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 279 status = __flash_ext_stream_write(obj, addr, len, data);
AnnaBridge 169:9672193075cf 280 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 281
AnnaBridge 169:9672193075cf 282 return status;
AnnaBridge 169:9672193075cf 283 }
AnnaBridge 169:9672193075cf 284
AnnaBridge 169:9672193075cf 285 int flash_stream_read(flash_t *obj, uint32_t addr, uint32_t len, uint8_t *data)
AnnaBridge 169:9672193075cf 286 {
AnnaBridge 169:9672193075cf 287 return flash_ext_stream_read(obj, addr, len, data);
AnnaBridge 169:9672193075cf 288 }
AnnaBridge 169:9672193075cf 289
Kojto 171:19eb464bc2be 290 int flash_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
AnnaBridge 169:9672193075cf 291 {
AnnaBridge 169:9672193075cf 292 return flash_ext_stream_write(obj, addr, len, data);
AnnaBridge 169:9672193075cf 293 }
AnnaBridge 169:9672193075cf 294
AnnaBridge 169:9672193075cf 295 /*
AnnaBridge 169:9672193075cf 296 Function Description:
AnnaBridge 169:9672193075cf 297 This function performans the same functionality as the function flash_stream_write.
AnnaBridge 169:9672193075cf 298 It enhances write performance by reducing overheads.
AnnaBridge 169:9672193075cf 299 Users can use either of functions depending on their needs.
AnnaBridge 169:9672193075cf 300
AnnaBridge 169:9672193075cf 301 * @brief Write a stream of data to specified address
AnnaBridge 169:9672193075cf 302 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 303 * @param address: Specifies the address to be read.
AnnaBridge 169:9672193075cf 304 * @param length: Specifies the length of the data to write.
AnnaBridge 169:9672193075cf 305 * @param data: Specified the pointer of the data to be written.
AnnaBridge 169:9672193075cf 306 * @retval status: Success:1 or Failure: Others.
AnnaBridge 169:9672193075cf 307
AnnaBridge 169:9672193075cf 308 */
AnnaBridge 169:9672193075cf 309
AnnaBridge 169:9672193075cf 310 int flash_ext_burst_write(flash_t *obj, uint32_t address ,uint32_t length, uint8_t *data)
Kojto 171:19eb464bc2be 311 {
AnnaBridge 169:9672193075cf 312 u32 OccuSize;
AnnaBridge 169:9672193075cf 313 u32 ProgramSize;
AnnaBridge 169:9672193075cf 314 u32 PageSize;
AnnaBridge 169:9672193075cf 315 u8 flashtype = 0;
AnnaBridge 169:9672193075cf 316
AnnaBridge 169:9672193075cf 317 PageSize = 256;
AnnaBridge 169:9672193075cf 318
AnnaBridge 169:9672193075cf 319 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 320
AnnaBridge 169:9672193075cf 321 flashtype = flashobj.SpicInitPara.flashtype;
AnnaBridge 169:9672193075cf 322 OccuSize = address & 0xFF;
AnnaBridge 169:9672193075cf 323 if((length >= PageSize) ||((length + OccuSize) >= PageSize)){
AnnaBridge 169:9672193075cf 324 ProgramSize = PageSize - OccuSize;
AnnaBridge 169:9672193075cf 325 } else {
AnnaBridge 169:9672193075cf 326 ProgramSize = length;
AnnaBridge 169:9672193075cf 327 }
AnnaBridge 169:9672193075cf 328
AnnaBridge 169:9672193075cf 329 flashobj.Length = length;
AnnaBridge 169:9672193075cf 330 while(length > 0){
AnnaBridge 169:9672193075cf 331 if(OccuSize){
AnnaBridge 169:9672193075cf 332 SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
AnnaBridge 169:9672193075cf 333 // Wait spic busy done
AnnaBridge 169:9672193075cf 334 SpicWaitBusyDoneRtl8195A();
AnnaBridge 169:9672193075cf 335 // Wait flash busy done (wip=0)
AnnaBridge 169:9672193075cf 336 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 337 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 338 } else {
AnnaBridge 169:9672193075cf 339 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 340 }
AnnaBridge 169:9672193075cf 341
AnnaBridge 169:9672193075cf 342 address += ProgramSize;
Kojto 171:19eb464bc2be 343 data += ProgramSize;
AnnaBridge 169:9672193075cf 344 length -= ProgramSize;
AnnaBridge 169:9672193075cf 345 OccuSize = 0;
AnnaBridge 169:9672193075cf 346 } else{
AnnaBridge 169:9672193075cf 347 while((flashobj.Length) >= PageSize){
AnnaBridge 169:9672193075cf 348 SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
AnnaBridge 169:9672193075cf 349 // Wait spic busy done
AnnaBridge 169:9672193075cf 350 SpicWaitBusyDoneRtl8195A();
AnnaBridge 169:9672193075cf 351 // Wait flash busy done (wip=0)
AnnaBridge 169:9672193075cf 352 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 353 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 354 } else {
AnnaBridge 169:9672193075cf 355 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 356 }
AnnaBridge 169:9672193075cf 357
AnnaBridge 169:9672193075cf 358 address += PageSize;
AnnaBridge 169:9672193075cf 359 data += PageSize;
AnnaBridge 169:9672193075cf 360 length -= PageSize;
AnnaBridge 169:9672193075cf 361 }
AnnaBridge 169:9672193075cf 362 flashobj.Length = length;
AnnaBridge 169:9672193075cf 363 if((flashobj.Length) > 0){
AnnaBridge 169:9672193075cf 364 SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
AnnaBridge 169:9672193075cf 365 // Wait spic busy done
AnnaBridge 169:9672193075cf 366 SpicWaitBusyDoneRtl8195A();
AnnaBridge 169:9672193075cf 367 // Wait flash busy done (wip=0)
AnnaBridge 169:9672193075cf 368 if(flashtype == FLASH_MICRON){
AnnaBridge 169:9672193075cf 369 SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 370 } else {
AnnaBridge 169:9672193075cf 371 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 372 }
AnnaBridge 169:9672193075cf 373
AnnaBridge 169:9672193075cf 374 break;
AnnaBridge 169:9672193075cf 375 }
AnnaBridge 169:9672193075cf 376 }
AnnaBridge 169:9672193075cf 377 flashobj.Length = length;
AnnaBridge 169:9672193075cf 378 }
AnnaBridge 169:9672193075cf 379 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 380 return 0;
AnnaBridge 169:9672193075cf 381
AnnaBridge 169:9672193075cf 382 }
AnnaBridge 169:9672193075cf 383 /**
AnnaBridge 169:9672193075cf 384 * @brief Read a stream of data from specified address
AnnaBridge 169:9672193075cf 385 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 386 * @param address: Specifies the address to be read.
AnnaBridge 169:9672193075cf 387 * @param len: Specifies the length of the data to read.
AnnaBridge 169:9672193075cf 388 * @param data: Specified the address to save the readback data.
AnnaBridge 169:9672193075cf 389 * @retval status: Success:1 or Failure: Others.
AnnaBridge 169:9672193075cf 390 */
AnnaBridge 169:9672193075cf 391
AnnaBridge 169:9672193075cf 392 int flash_ext_burst_read(flash_t *obj, uint32_t address, uint32_t length, uint8_t *data)
AnnaBridge 169:9672193075cf 393 {
AnnaBridge 169:9672193075cf 394 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 395 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 396 SpicUserReadRtl8195A(length, address, data, SpicOneBitMode);
AnnaBridge 169:9672193075cf 397 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 398 return 0;
AnnaBridge 169:9672193075cf 399 }
AnnaBridge 169:9672193075cf 400
AnnaBridge 169:9672193075cf 401 int flash_ext_get_status(flash_t *obj)
AnnaBridge 169:9672193075cf 402 {
AnnaBridge 169:9672193075cf 403 uint8_t status = 0;
AnnaBridge 169:9672193075cf 404
AnnaBridge 169:9672193075cf 405 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 406 status = SpicGetFlashStatusRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 407 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 408 return status;
AnnaBridge 169:9672193075cf 409 }
AnnaBridge 169:9672193075cf 410
AnnaBridge 169:9672193075cf 411 /*
AnnaBridge 169:9672193075cf 412 Function Description:
AnnaBridge 169:9672193075cf 413 Please refer to the datatsheet of flash for more details of the content of status register.
AnnaBridge 169:9672193075cf 414 The block protected area and the corresponding control bits are provided in the flash datasheet.
AnnaBridge 169:9672193075cf 415
AnnaBridge 169:9672193075cf 416 * @brief Set Status register to enable desired operation
AnnaBridge 169:9672193075cf 417 * @param obj: Specifies the parameter of flash object.
AnnaBridge 169:9672193075cf 418 * @param data: Specifies which bit users like to set
AnnaBridge 169:9672193075cf 419 ex: if users want to set the third bit, data = 0x8.
AnnaBridge 169:9672193075cf 420
AnnaBridge 169:9672193075cf 421 */
AnnaBridge 169:9672193075cf 422 int flash_ext_set_status(flash_t *obj, uint32_t data)
AnnaBridge 169:9672193075cf 423 {
AnnaBridge 169:9672193075cf 424 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 425 SpicSetFlashStatusRefinedRtl8195A(data, flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 426 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 427 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 428 return 0;
AnnaBridge 169:9672193075cf 429 }
AnnaBridge 169:9672193075cf 430
AnnaBridge 169:9672193075cf 431 /*
AnnaBridge 169:9672193075cf 432 Function Description:
AnnaBridge 169:9672193075cf 433 This function aims to reset the status register, please make sure the operation is appropriate.
AnnaBridge 169:9672193075cf 434 */
AnnaBridge 169:9672193075cf 435 void flash_ext_reset_status(flash_t *obj)
AnnaBridge 169:9672193075cf 436 {
AnnaBridge 169:9672193075cf 437 __flash_ext_turnon();
Kojto 171:19eb464bc2be 438 SpicSetFlashStatusRefinedRtl8195A(0, flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 439 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 440 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 441 }
AnnaBridge 169:9672193075cf 442
AnnaBridge 169:9672193075cf 443 int flash_ext_get_extend_addr(flash_t *obj)
AnnaBridge 169:9672193075cf 444 {
AnnaBridge 169:9672193075cf 445 uint8_t addr = 0;
AnnaBridge 169:9672193075cf 446
AnnaBridge 169:9672193075cf 447 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 448 addr = SpicGetExtendAddrRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 449 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 450 return addr;
AnnaBridge 169:9672193075cf 451 }
AnnaBridge 169:9672193075cf 452 /*
AnnaBridge 169:9672193075cf 453 Function Description:
AnnaBridge 169:9672193075cf 454 This function is only for Micron 512Mbit flash to access beyond 128Mbit by switching between four 128 Mbit area.
AnnaBridge 169:9672193075cf 455 Please refer to flash datasheet for more information about memory mapping.
AnnaBridge 169:9672193075cf 456 */
AnnaBridge 169:9672193075cf 457
AnnaBridge 169:9672193075cf 458 int flash_ext_set_extend_addr(flash_t *obj, uint32_t data)
AnnaBridge 169:9672193075cf 459 {
AnnaBridge 169:9672193075cf 460 __flash_ext_turnon();
AnnaBridge 169:9672193075cf 461 SpicSetExtendAddrRtl8195A(data, flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 462 SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
AnnaBridge 169:9672193075cf 463 __flash_ext_turnoff();
AnnaBridge 169:9672193075cf 464 return 0;
AnnaBridge 169:9672193075cf 465 }
AnnaBridge 169:9672193075cf 466
AnnaBridge 169:9672193075cf 467