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| author | Boris Baykov <dev@borisbaykov.com> | 2016-06-11 18:29:01 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2017-10-15 12:31:22 +0000 |
| commit | aa6c37444c1d1a5944ea8bb3912bb0efe27dffce (patch) | |
| tree | cd9f0a67153f1b53dc067c10d7db09fc102bd75c /flashchips.c | |
| parent | 9912718de18e455e16d26458aca4eac37f792aa2 (diff) | |
| download | flashrom-aa6c37444c1d1a5944ea8bb3912bb0efe27dffce.tar.gz flashrom-aa6c37444c1d1a5944ea8bb3912bb0efe27dffce.tar.bz2 flashrom-aa6c37444c1d1a5944ea8bb3912bb0efe27dffce.zip | |
4BA: Winbond W25Q256.V chip (32MB) declaration, 4-bytes addr mode
Here is the definition of new W25Q256xV chip with new functions pointers
for 4-bytes addressing reads and writes. Erase functions pointers are
changed in their old places. New feature flags for 4-bytes mode added.
Patched files
-------------
flashchips.c
+ added definition for Winbond W25Q256BV/W25Q256FV chips
Change-Id: I90226f453f8147ae5ac7dbbef7549ee3bfacc3d6
Signed-off-by: Boris Baykov <dev@borisbaykov.com>, Russia, Jan 2014
[clg: ported from
https://www.flashrom.org/pipermail/flashrom/2015-January/013201.html ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-on: https://review.coreboot.org/20506
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'flashchips.c')
| -rw-r--r-- | flashchips.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/flashchips.c b/flashchips.c index 7ef361b45..ca9a38316 100644 --- a/flashchips.c +++ b/flashchips.c @@ -14588,6 +14588,54 @@ const struct flashchip flashchips[] = { { .vendor = "Winbond", + .name = "W25Q256.V", + .bustype = BUS_SPI, + .manufacture_id = WINBOND_NEX_ID, + .model_id = WINBOND_NEX_W25Q256_V, + .total_size = 32768, + .page_size = 256, + /* supports SFDP */ + /* OTP: 1024B total, 256B reserved; read 0x48; write 0x42, erase 0x44, read ID 0x4B */ + /* FOUR_BYTE_ADDR: supports 4-bytes addressing mode */ + .feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT, + .four_bytes_addr_funcs = + { + .enter_4ba = spi_enter_4ba_b7_we, /* enter 4-bytes addressing mode by CMD B7 + WREN */ + .read_nbyte = spi_nbyte_read_4ba, /* read from 4-bytes addressing mode */ + .program_byte = spi_byte_program_4ba, /* write from 4-bytes addressing mode */ + .program_nbyte = spi_nbyte_program_4ba /* write from 4-bytes addressing mode */ + }, + .tested = TEST_OK_PREW, + .probe = probe_spi_rdid, + .probe_timing = TIMING_ZERO, + .block_erasers = + { + { + .eraseblocks = { {4 * 1024, 8192} }, + .block_erase = spi_block_erase_20_4ba, /* erases 4k from 4-bytes addressing mode */ + }, { + .eraseblocks = { {32 * 1024, 1024} }, + .block_erase = spi_block_erase_52_4ba, /* erases 32k from 4-bytes addressing mode */ + }, { + .eraseblocks = { {64 * 1024, 512} }, + .block_erase = spi_block_erase_d8_4ba, /* erases 64k from 4-bytes addressing mode */ + }, { + .eraseblocks = { {32 * 1024 * 1024, 1} }, + .block_erase = spi_block_erase_60, + }, { + .eraseblocks = { {32 * 1024 * 1024, 1} }, + .block_erase = spi_block_erase_c7, + } + }, + .printlock = spi_prettyprint_status_register_plain, /* TODO: improve */ + .unlock = spi_disable_blockprotect, + .write = spi_chip_write_256, + .read = spi_chip_read, + .voltage = {2700, 3600}, + }, + + { + .vendor = "Winbond", .name = "W25Q20.W", .bustype = BUS_SPI, .manufacture_id = WINBOND_NEX_ID, |