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[SFDP_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4) 26 nor->flags |= SNOR_F_4B_OPCODES; 27 28 return 0; 29 } 30 31 static const struct spi_nor_fixups mx25l25635_fixups = { 32 .post_bfpt = mx25l25635_post_bfpt_fixups, 33 }; 34 35 static const struct flash_info macronix_nor_parts[] = { 36 /* Macronix */ 37 { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1) 38 NO_SFDP_FLAGS(SECT_4K) }, 39 { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4) 40 NO_SFDP_FLAGS(SECT_4K) }, 41 { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8) 42 NO_SFDP_FLAGS(SECT_4K) }, 43 { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16) }, 44 { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32) 45 NO_SFDP_FLAGS(SECT_4K) }, 46 { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64) 47 NO_SFDP_FLAGS(SECT_4K) }, 48 { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64) 49 NO_SFDP_FLAGS(SECT_4K) }, 50 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128) 51 NO_SFDP_FLAGS(SECT_4K) }, 52 { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4) 53 NO_SFDP_FLAGS(SECT_4K) }, 54 { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64) 55 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 56 SPI_NOR_QUAD_READ) }, 57 { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8) 58 NO_SFDP_FLAGS(SECT_4K) }, 59 { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16) 60 NO_SFDP_FLAGS(SECT_4K) }, 61 { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128) 62 NO_SFDP_FLAGS(SECT_4K) }, 63 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256) 64 FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP) 65 NO_SFDP_FLAGS(SECT_4K) }, 66 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256) }, 67 { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32) 68 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 69 SPI_NOR_QUAD_READ) }, 70 { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64) 71 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 72 SPI_NOR_QUAD_READ) }, 73 { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256) 74 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 75 SPI_NOR_QUAD_READ) }, 76 { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512) 77 NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 78 .fixups = &mx25l25635_fixups }, 79 { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512) 80 NO_SFDP_FLAGS(SECT_4K) 81 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, 82 { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024) 83 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 84 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, 85 { "mx25uw51245g", INFOB(0xc2813a, 0, 0, 0, 4) 86 PARSE_SFDP 87 FLAGS(SPI_NOR_RWW) }, 88 { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16) 89 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 90 SPI_NOR_QUAD_READ) }, 91 { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512) }, 92 { "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024) 93 NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 94 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, 95 { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024) 96 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 97 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, 98 { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048) 99 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | 100 SPI_NOR_QUAD_READ) }, 101 { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048) 102 NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) }, 103 { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096) 104 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) 105 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, 106 }; 107 108 static void macronix_nor_default_init(struct spi_nor *nor) 109 { 110 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; 111 } 112 113 static int macronix_nor_late_init(struct spi_nor *nor) 114 { 115 if (!nor->params->set_4byte_addr_mode) 116 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b; 117 118 return 0; 119 } 120 121 static const struct spi_nor_fixups macronix_nor_fixups = { 122 .default_init = macronix_nor_default_init, 123 .late_init = macronix_nor_late_init, 124 }; 125 126 const struct spi_nor_manufacturer spi_nor_macronix = { 127 .name = "macronix", 128 .parts = macronix_nor_parts, 129 .nparts = ARRAY_SIZE(macronix_nor_parts), 130 .fixups = ¯onix_nor_fixups, 131 }; 132