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mtd: spi-nor: gigadevice: gd25q256: Init flash based on SFDP
Get rid of the static initialization of the flash parameters and init them when parsing SFDP. Generated a 256 Kbyte random data and did an erase, write, read back and compare test. The flash uses for reads SPINOR_OP_READ_1_4_4_4B 0xec, for erases SPINOR_OP_BE_4K_4B 0x21, and for writes SPINOR_OP_PP_1_1_4_4B 0x34. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20211207140254.87681-14-tudor.ambarus@microchip.com
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@ -53,8 +53,8 @@ static const struct flash_info gigadevice_parts[] = {
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NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
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SPI_NOR_QUAD_READ) },
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{ "gd25q256", INFO(0xc84019, 0, 64 * 1024, 512)
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PARSE_SFDP
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FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
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NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
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FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
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.fixups = &gd25q256_fixups },
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};
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