xref: /openbmc/linux/drivers/mtd/spi-nor/gigadevice.c (revision 6fe888c4)
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 const struct spi_nor_fixups gd25q256_fixups = {
23 	.default_init = gd25q256_default_init,
24 };
25 
26 static const struct flash_info gigadevice_nor_parts[] = {
27 	{ "gd25q16", INFO(0xc84015, 0, 64 * 1024,  32)
28 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
29 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
30 			      SPI_NOR_QUAD_READ) },
31 	{ "gd25q32", INFO(0xc84016, 0, 64 * 1024,  64)
32 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
33 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
34 			      SPI_NOR_QUAD_READ) },
35 	{ "gd25lq32", INFO(0xc86016, 0, 64 * 1024, 64)
36 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
37 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
38 			      SPI_NOR_QUAD_READ) },
39 	{ "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128)
40 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
41 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
42 			      SPI_NOR_QUAD_READ) },
43 	{ "gd25lq64c", INFO(0xc86017, 0, 64 * 1024, 128)
44 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
45 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
46 			      SPI_NOR_QUAD_READ) },
47 	{ "gd25lq128d", INFO(0xc86018, 0, 64 * 1024, 256)
48 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
49 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
50 			      SPI_NOR_QUAD_READ) },
51 	{ "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256)
52 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
53 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
54 			      SPI_NOR_QUAD_READ) },
55 	{ "gd25q256", INFO(0xc84019, 0, 64 * 1024, 512)
56 		PARSE_SFDP
57 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6)
58 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
59 		.fixups = &gd25q256_fixups },
60 };
61 
62 const struct spi_nor_manufacturer spi_nor_gigadevice = {
63 	.name = "gigadevice",
64 	.parts = gigadevice_nor_parts,
65 	.nparts = ARRAY_SIZE(gigadevice_nor_parts),
66 };
67