diff options
Diffstat (limited to 'drivers/mtd/spi-nor/macronix.c')
| -rw-r--r-- | drivers/mtd/spi-nor/macronix.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c new file mode 100644 index 000000000..eb149e517 --- /dev/null +++ b/drivers/mtd/spi-nor/macronix.c @@ -0,0 +1,131 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2005, Intec Automation Inc. + * Copyright (C) 2014, Freescale Semiconductor, Inc. + */ + +#include <linux/mtd/spi-nor.h> + +#include "core.h" + +static int +mx25l25635_post_bfpt_fixups(struct spi_nor *nor, + const struct sfdp_parameter_header *bfpt_header, + const struct sfdp_bfpt *bfpt) +{ + /* + * MX25L25635F supports 4B opcodes but MX25L25635E does not. + * Unfortunately, Macronix has re-used the same JEDEC ID for both + * variants which prevents us from defining a new entry in the parts + * table. + * We need a way to differentiate MX25L25635E and MX25L25635F, and it + * seems that the F version advertises support for Fast Read 4-4-4 in + * its BFPT table. + */ + if (bfpt->dwords[SFDP_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4) + nor->flags |= SNOR_F_4B_OPCODES; + + return 0; +} + +static const struct spi_nor_fixups mx25l25635_fixups = { + .post_bfpt = mx25l25635_post_bfpt_fixups, +}; + +static const struct flash_info macronix_nor_parts[] = { + /* Macronix */ + { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16) }, + { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256) + FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP) + NO_SFDP_FLAGS(SECT_4K) }, + { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256) }, + { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512) + NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + .fixups = &mx25l25635_fixups }, + { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512) + NO_SFDP_FLAGS(SECT_4K) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, + { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, + { "mx25uw51245g", INFOB(0xc2813a, 0, 0, 0, 4) + PARSE_SFDP + FLAGS(SPI_NOR_RWW) }, + { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512) }, + { "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024) + NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, + { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, + { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, + { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048) + NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) }, + { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, +}; + +static void macronix_nor_default_init(struct spi_nor *nor) +{ + nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; +} + +static int macronix_nor_late_init(struct spi_nor *nor) +{ + if (!nor->params->set_4byte_addr_mode) + nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b; + + return 0; +} + +static const struct spi_nor_fixups macronix_nor_fixups = { + .default_init = macronix_nor_default_init, + .late_init = macronix_nor_late_init, +}; + +const struct spi_nor_manufacturer spi_nor_macronix = { + .name = "macronix", + .parts = macronix_nor_parts, + .nparts = ARRAY_SIZE(macronix_nor_parts), + .fixups = ¯onix_nor_fixups, +}; |