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
gd25q256_default_init(struct spi_nor * nor)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