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rework to use smart SPI flash detection

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Check JEDEC ID is in range between 0x0001 ... 0xFFFE,
Compare the output from 0x90 and 0x9F,
Then the size from the JEDEC ID

Otherwise fall-back to 256 kB

Extend the spi_flash_decode.py to handle more (known) SPI flash ICs
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ANTodorov 2024-11-30 14:38:13 +02:00
commit bd803ce8fd
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4 changed files with 114 additions and 99 deletions
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33
common_arm/flashmem.h
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@ -140,41 +140,8 @@ typedef struct {
uint8_t manufacturer_id;
uint8_t device_id;
uint16_t jedec_id;
uint8_t pages64k;
char *device;
} spi_flash_t;
static const spi_flash_t SpiFlashTable[] = {
// first element is the default of 4 * 64kB pages (256kB)
{ 0x00, 0x00, 0x0000, 4, "unknown" }, // 256k
// Manufacturer: Puya
{ 0x85, 0x14, 0x6015, 32, "P25Q16H" }, // 2048k
// Manufacturer: Winbond
{ 0xEF, 0x00, 0x3012, 4, "W25X20BV" }, // 256k
{ 0xEF, 0x00, 0x3013, 8, "W25X40BV" }, // 512k
{ 0xEF, 0x00, 0x4013, 8, "W25Q40BV" }, // 512k
{ 0xEF, 0x00, 0x4014, 16, "W25Q80BV" }, // 1024k
{ 0xEF, 0x14, 0x4015, 32, "W25Q16BV" }, // 2048k
{ 0xEF, 0x15, 0x4016, 64, "W25Q32BV" }, // 4096k
{ 0xEF, 0x16, 0x7017, 128, "W25Q64JV" }, // 8192k
{ 0xEF, 0x21, 0x7022, 4, "W25Q02JV" },
// identified by Manufacturer /Device ID only
/// Manufacturer: Renesas
{ 0x1F, 0x46, 0x0000, 32, "AT25XE161D" }, // 2048k
{ 0x1F, 0x47, 0x0000, 64, "AT25XE321D" }, // 4096k
// { 0xEF, 0x05, 0x0000, 1, "Winbond!!!" }, // 64k (too small !!!)
{ 0xEF, 0x10, 0x0000, 2, "W25*10BV!" }, // 128k (small !!!)
{ 0xEF, 0x11, 0x0000, 4, "W25*20BV" }, // 256k
{ 0xEF, 0x12, 0x0000, 8, "W25*40BV" }, // 512k
{ 0xEF, 0x13, 0x0000, 16, "W25*80BV" }, // 1024k
{ 0xEF, 0x14, 0x0000, 32, "W25*16*" }, // 2048k
{ 0xEF, 0x15, 0x0000, 64, "W25*32*" }, // 4096k
{ 0xEF, 0x16, 0x0000, 128, "W25*64*" } // 8192k
};
extern uint8_t spi_flash_pages64k;
bool FlashDetect(void);