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drivers: flash: stm32: qspi: support SFDP quad enable requirements

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Parses SFDP QER related DW15 to use as the source for QER.

Signed-off-by: Georgij Cernysiov <geo.cgv@gmail.com>
This commit is contained in:
Georgij Cernysiov 2022-05-06 23:05:38 +02:00 • committed by Marti Bolivar
commit 13af1ca9f1
1 changed files with 10 additions and 0 deletions
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10
drivers/flash/flash_stm32_qspi.c
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@ -1029,6 +1029,16 @@ static int spi_nor_process_bfp(const struct device *dev,
LOG_INF("Quad read mode %d instr [0x%x] will be used", data->mode, res.instr);
/* try to decode QE requirement type */
rc = jesd216_bfp_decode_dw15(php, bfp, &dw15);
if (rc < 0) {
/* will use QER from DTS or default (refer to device data) */
LOG_WRN("Unable to decode QE requirement [DW15]: %d", rc);
} else {
/* bypass DTS QER value */
data->qer_type = dw15.qer;
}
LOG_INF("QE requirement mode: %x", data->qer_type);
/* enable QE */