1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2005, Intec Automation Inc. 4 * Copyright (C) 2014, Freescale Semiconductor, Inc. 5 */ 6 7 #include <linux/mtd/spi-nor.h> 8 9 #include "core.h" 10 11 static void gd25q256_default_init(struct spi_nor *nor) 12 { 13 /* 14 * Some manufacturer like GigaDevice may use different 15 * bit to set QE on different memories, so the MFR can't 16 * indicate the quad_enable method for this case, we need 17 * to set it in the default_init fixup hook. 18 */ 19 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; 20 } 21 22 static struct spi_nor_fixups gd25q256_fixups = { 23 .default_init = gd25q256_default_init, 24 }; 25 26 static const struct flash_info gigadevice_parts[] = { 27 { "gd25q16", INFO(0xc84015, 0, 64 * 1024, 32, 28 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 29 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 30 { "gd25q32", INFO(0xc84016, 0, 64 * 1024, 64, 31 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 32 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 33 { "gd25lq32", INFO(0xc86016, 0, 64 * 1024, 64, 34 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 35 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 36 { "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128, 37 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 38 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 39 { "gd25lq64c", INFO(0xc86017, 0, 64 * 1024, 128, 40 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 41 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 42 { "gd25lq128d", INFO(0xc86018, 0, 64 * 1024, 256, 43 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 44 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 45 { "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256, 46 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 47 SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, 48 { "gd25q256", INFO(0xc84019, 0, 64 * 1024, 512, 49 SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 50 SPI_NOR_4B_OPCODES | SPI_NOR_HAS_LOCK | 51 SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6) 52 .fixups = &gd25q256_fixups }, 53 }; 54 55 const struct spi_nor_manufacturer spi_nor_gigadevice = { 56 .name = "gigadevice", 57 .parts = gigadevice_parts, 58 .nparts = ARRAY_SIZE(gigadevice_parts), 59 }; 60