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4BA: Winbond W25Q256.V chip (32MB) declaration, 4-bytes addr mode

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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>
This commit is contained in:
Boris Baykov
2016-06-11 18:29:01 +02:00
committed by Nico Huber
parent 9912718de1
commit aa6c37444c
1 changed files with 48 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
flashchips.c
View File

@@ -14586,6 +14586,54 @@ const struct flashchip flashchips[] = {
.voltage = {2700, 3600}, .voltage = {2700, 3600},
}, },
{
.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", .vendor = "Winbond",
.name = "W25Q20.W", .name = "W25Q20.W",