2  * This file is part of the Serial Flash Universal Driver Library.
25 …* Function: Analyze the SFDP (Serial Flash Discoverable Parameters) which from JESD216/A/B (V1.X) …
41 …* of a flash memory device. Different areas within the address range of the data array may have a …
49 /* the JEDEC basic flash parameter table length is 9 DWORDs (288-bit) on JESD216 (V1.0) initial rel…
64 static sfud_err read_sfdp_data(const sfud_flash *flash, uint32_t addr, uint8_t *read_buf, size_t si…
65 static bool read_sfdp_header(sfud_flash *flash);
66 static bool read_basic_header(const sfud_flash *flash, sfdp_para_header *basic_header);
67 static bool read_basic_table(sfud_flash *flash, sfdp_para_header *basic_header);
76  * @param flash flash device
80 bool sfud_read_sfdp(sfud_flash *flash) {  in sfud_read_sfdp()  argument
81     SFUD_ASSERT(flash);  in sfud_read_sfdp()
83     /* JEDEC basic flash parameter header */  in sfud_read_sfdp()
85     if (read_sfdp_header(flash) && read_basic_header(flash, &basic_header)) {  in sfud_read_sfdp()
86         return read_basic_table(flash, &basic_header);  in sfud_read_sfdp()
88 …g: Read SFDP parameter header information failed. The %s is not support JEDEC SFDP.", flash->name);  in sfud_read_sfdp()
96  * @param flash flash device
100 static bool read_sfdp_header(sfud_flash *flash) {  in read_sfdp_header()  argument
101     sfud_sfdp *sfdp = &flash->sfdp;  in read_sfdp_header()
109     SFUD_ASSERT(flash);  in read_sfdp_header()
113     if (read_sfdp_data(flash, header_addr, header, sizeof(header)) != SFUD_SUCCESS) {  in read_sfdp_header()
140  * @param flash flash device
144 static bool read_basic_header(const sfud_flash *flash, sfdp_para_header *basic_header) {  in read_basic_header()  argument
150     SFUD_ASSERT(flash);  in read_basic_header()
153     /* read JEDEC basic flash parameter header */  in read_basic_header()
154     if (read_sfdp_data(flash, header_addr, header, sizeof(header)) != SFUD_SUCCESS) {  in read_basic_header()
155         SFUD_INFO("Error: Can't read JEDEC basic flash parameter header.");  in read_basic_header()
163     /* check JEDEC basic flash parameter header */  in read_basic_header()
165 …    SFUD_INFO("Error: This reversion(V%d.%d) JEDEC basic flash parameter header is not supported.",  in read_basic_header()
170 …SFUD_INFO("Error: The JEDEC basic flash parameter table length (now is %d) error.", basic_header->…  in read_basic_header()
173 …SFUD_DEBUG("Check JEDEC basic flash parameter header is OK. The table id is %d, reversion is V%d.%…  in read_basic_header()
183  * @param flash flash device
187 static bool read_basic_table(sfud_flash *flash, sfdp_para_header *basic_header) {  in read_basic_table()  argument
188     sfud_sfdp *sfdp = &flash->sfdp;  in read_basic_table()
194     SFUD_ASSERT(flash);  in read_basic_table()
197     /* read JEDEC basic flash parameter table */  in read_basic_table()
198     if (read_sfdp_data(flash, table_addr, table, sizeof(table)) != SFUD_SUCCESS) {  in read_basic_table()
199         SFUD_INFO("Warning: Can't read JEDEC basic flash parameter table.");  in read_basic_table()
202     /* print JEDEC basic flash parameter table info */  in read_basic_table()
203     SFUD_DEBUG("JEDEC basic flash parameter table info:");  in read_basic_table()
245         SFUD_DEBUG("Target flash status register is non-volatile.");  in read_basic_table()
255             SFUD_DEBUG("Flash device requires instruction 50h as the write enable prior "  in read_basic_table()
260             SFUD_DEBUG("Flash device requires instruction 06h as the write enable prior "  in read_basic_table()
266     /* get address bytes, number of bytes used in addressing flash array read, write and erase. */  in read_basic_table()
289     /* get flash memory capacity */  in read_basic_table()
299             SFUD_INFO("Error: The flash capacity is grater than 32 Gb/ 4 GB! Not Supported.");  in read_basic_table()
311 …SFUD_DEBUG("Flash device supports %ldKB block erase. Command is 0x%02X.", sfdp->eraser[j].size / 1…  in read_basic_table()
337 static sfud_err read_sfdp_data(const sfud_flash *flash, uint32_t addr, uint8_t *read_buf, size_t si…  in read_sfdp_data()  argument
346     SFUD_ASSERT(flash);  in read_sfdp_data()
349     SFUD_ASSERT(flash->spi.wr);  in read_sfdp_data()
351     return flash->spi.wr(&flash->spi, cmd, sizeof(cmd), read_buf, size);  in read_sfdp_data()
357  * @param flash flash device
363 size_t sfud_sfdp_get_suitable_eraser(const sfud_flash *flash, uint32_t addr, size_t erase_size) {  in sfud_sfdp_get_suitable_eraser()  argument
365     /* only used when flash supported SFDP */  in sfud_sfdp_get_suitable_eraser()
366     SFUD_ASSERT(flash->sfdp.available);  in sfud_sfdp_get_suitable_eraser()
368     if (addr % flash->sfdp.eraser[SMALLEST_ERASER_INDEX].size) {  in sfud_sfdp_get_suitable_eraser()
375         if ((flash->sfdp.eraser[i].size != 0) && (erase_size >= flash->sfdp.eraser[i].size)  in sfud_sfdp_get_suitable_eraser()
376                 && (addr % flash->sfdp.eraser[i].size == 0)) {  in sfud_sfdp_get_suitable_eraser()