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mtd: spi-nor: winbond: add OTP support to w25q32fw/jw
With all the helper functions in place, add OTP support for the Winbond W25Q32JW and W25Q32FW. Both were tested on a LS1028A SoC with a NXP FSPI controller. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20210321235140.8308-4-michael@walle.cc
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cad3193fe9
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1 changed files with 15 additions and 2 deletions
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@ -54,14 +54,18 @@ static const struct flash_info winbond_parts[] = {
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{ "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) },
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{ "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) },
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
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OTP_INFO(256, 3, 0x1000, 0x1000)
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},
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{ "w25q32jv", INFO(0xef7016, 0, 64 * 1024, 64,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
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},
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{ "w25q32jwm", INFO(0xef8016, 0, 64 * 1024, 64,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) },
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
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OTP_INFO(256, 3, 0x1000, 0x1000) },
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{ "w25q64jwm", INFO(0xef8017, 0, 64 * 1024, 128,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) },
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@ -132,9 +136,18 @@ static int winbond_set_4byte_addr_mode(struct spi_nor *nor, bool enable)
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return spi_nor_write_disable(nor);
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}
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static const struct spi_nor_otp_ops winbond_otp_ops = {
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.read = spi_nor_otp_read_secr,
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.write = spi_nor_otp_write_secr,
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.lock = spi_nor_otp_lock_sr2,
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.is_locked = spi_nor_otp_is_locked_sr2,
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};
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static void winbond_default_init(struct spi_nor *nor)
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{
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nor->params->set_4byte_addr_mode = winbond_set_4byte_addr_mode;
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if (nor->params->otp.org->n_regions)
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nor->params->otp.ops = &winbond_otp_ops;
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}
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static const struct spi_nor_fixups winbond_fixups = {
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