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 int 12 mx25l25635_post_bfpt_fixups(struct spi_nor *nor, 13 const struct sfdp_parameter_header *bfpt_header, 14 const struct sfdp_bfpt *bfpt, 15 struct spi_nor_flash_parameter *params) 16 { 17 /* 18 * MX25L25635F supports 4B opcodes but MX25L25635E does not. 19 * Unfortunately, Macronix has re-used the same JEDEC ID for both 20 * variants which prevents us from defining a new entry in the parts 21 * table. 22 * We need a way to differentiate MX25L25635E and MX25L25635F, and it 23 * seems that the F version advertises support for Fast Read 4-4-4 in 24 * its BFPT table. 25 */ 26 if (bfpt->dwords[BFPT_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4) 27 nor->flags |= SNOR_F_4B_OPCODES; 28 29 return 0; 30 } 31 32 static struct spi_nor_fixups mx25l25635_fixups = { 33 .post_bfpt = mx25l25635_post_bfpt_fixups, 34 }; 35 36 static const struct flash_info macronix_parts[] = { 37 /* Macronix */ 38 { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) }, 39 { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) }, 40 { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, 41 { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) }, 42 { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) }, 43 { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) }, 44 { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) }, 45 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) }, 46 { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4, SECT_4K) }, 47 { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64, 48 SECT_4K | SPI_NOR_DUAL_READ | 49 SPI_NOR_QUAD_READ) }, 50 { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) }, 51 { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) }, 52 { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) }, 53 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, 54 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, 55 { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64, 56 SECT_4K | SPI_NOR_DUAL_READ | 57 SPI_NOR_QUAD_READ) }, 58 { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256, 59 SECT_4K | SPI_NOR_DUAL_READ | 60 SPI_NOR_QUAD_READ) }, 61 { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 62 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 63 .fixups = &mx25l25635_fixups }, 64 { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, 65 SECT_4K | SPI_NOR_4B_OPCODES) }, 66 { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16, 67 SECT_4K | SPI_NOR_DUAL_READ | 68 SPI_NOR_QUAD_READ) }, 69 { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, 70 { "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024, 71 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 72 SPI_NOR_4B_OPCODES) }, 73 { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024, 74 SECT_4K | SPI_NOR_DUAL_READ | 75 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, 76 { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048, 77 SECT_4K | SPI_NOR_DUAL_READ | 78 SPI_NOR_QUAD_READ) }, 79 { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, 80 SPI_NOR_QUAD_READ) }, 81 }; 82 83 static void macronix_default_init(struct spi_nor *nor) 84 { 85 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; 86 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode; 87 } 88 89 static const struct spi_nor_fixups macronix_fixups = { 90 .default_init = macronix_default_init, 91 }; 92 93 const struct spi_nor_manufacturer spi_nor_macronix = { 94 .name = "macronix", 95 .parts = macronix_parts, 96 .nparts = ARRAY_SIZE(macronix_parts), 97 .fixups = ¯onix_fixups, 98 }; 99