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 { 16 /* 17 * MX25L25635F supports 4B opcodes but MX25L25635E does not. 18 * Unfortunately, Macronix has re-used the same JEDEC ID for both 19 * variants which prevents us from defining a new entry in the parts 20 * table. 21 * We need a way to differentiate MX25L25635E and MX25L25635F, and it 22 * seems that the F version advertises support for Fast Read 4-4-4 in 23 * its BFPT table. 24 */ 25 if (bfpt->dwords[BFPT_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4) 26 nor->flags |= SNOR_F_4B_OPCODES; 27 28 return 0; 29 } 30 31 static struct spi_nor_fixups mx25l25635_fixups = { 32 .post_bfpt = mx25l25635_post_bfpt_fixups, 33 }; 34 35 static const struct flash_info macronix_parts[] = { 36 /* Macronix */ 37 { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) }, 38 { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) }, 39 { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, 40 { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) }, 41 { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) }, 42 { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) }, 43 { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) }, 44 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) }, 45 { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4, SECT_4K) }, 46 { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64, 47 SECT_4K | SPI_NOR_DUAL_READ | 48 SPI_NOR_QUAD_READ) }, 49 { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) }, 50 { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) }, 51 { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) }, 52 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K) }, 53 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, 54 { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32, 55 SECT_4K | SPI_NOR_DUAL_READ | 56 SPI_NOR_QUAD_READ) }, 57 { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64, 58 SECT_4K | SPI_NOR_DUAL_READ | 59 SPI_NOR_QUAD_READ) }, 60 { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256, 61 SECT_4K | SPI_NOR_DUAL_READ | 62 SPI_NOR_QUAD_READ) }, 63 { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 64 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 65 .fixups = &mx25l25635_fixups }, 66 { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, 67 SECT_4K | SPI_NOR_4B_OPCODES) }, 68 { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024, 69 SECT_4K | SPI_NOR_DUAL_READ | 70 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, 71 { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16, 72 SECT_4K | SPI_NOR_DUAL_READ | 73 SPI_NOR_QUAD_READ) }, 74 { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, 75 { "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024, 76 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | 77 SPI_NOR_4B_OPCODES) }, 78 { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024, 79 SECT_4K | SPI_NOR_DUAL_READ | 80 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, 81 { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048, 82 SECT_4K | SPI_NOR_DUAL_READ | 83 SPI_NOR_QUAD_READ) }, 84 { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, 85 SPI_NOR_QUAD_READ) }, 86 { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096, 87 SECT_4K | SPI_NOR_DUAL_READ | 88 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, 89 }; 90 91 static void macronix_default_init(struct spi_nor *nor) 92 { 93 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; 94 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode; 95 } 96 97 static const struct spi_nor_fixups macronix_fixups = { 98 .default_init = macronix_default_init, 99 }; 100 101 const struct spi_nor_manufacturer spi_nor_macronix = { 102 .name = "macronix", 103 .parts = macronix_parts, 104 .nparts = ARRAY_SIZE(macronix_parts), 105 .fixups = ¯onix_fixups, 106 }; 107