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spiFlash: added MX25L enable/disable quad + display status register

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This commit is contained in:
Gwenhael Goavec-Merou
2024-09-23 07:14:23 +02:00
parent faa1fc76fc
commit b6963ad4a9
2 changed files with 18 additions and 7 deletions
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src/spiFlash.cpp
+12 -1
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@@ -40,6 +40,7 @@
#define FLASH_4SE 0x21
/* read configuration register */
#define FLASH_RDCR 0x35
#define MX25L_RDCR 0x15
/* write function register (at least ISSI) */
#define FLASH_WRFR 0x42
/* read function register (at least ISSI) */
@@ -655,6 +656,13 @@ void SPIFlash::display_status_reg(uint8_t reg)
printf("DUAL : %d\n", ((nv_reg >> 2) & 0x01));
/* 1:0: reserved */
break;
case 0xC220:
_spi->spi_put(MX25L_RDCR, NULL, &reg, 1);
printf("\nConfiguration Register\n");
printf("RDCR : %02x\n", reg);
printf("DC : %d\n", ((reg >> 6) & 0x03));
printf("TB : %d\n", ((reg >> 3) & 0x01));
printf("ODS : %d\n", ((reg >> 0) & 0x07));
}
}
@@ -990,7 +998,10 @@ int8_t SPIFlash::get_tb()
_spi->spi_put(FLASH_RDFR, NULL, &status, 1);
break;
case CONFR: // function register
_spi->spi_put(FLASH_RDCR, NULL, &status, 1);
if ((_jedec_id >> 8) == 0xC220)
_spi->spi_put(MX25L_RDCR, NULL, &status, 1);
else
_spi->spi_put(FLASH_RDCR, NULL, &status, 1);
break;
case NONER: // no TB bit
return 0;