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flashchips: Add Winbond W25P80/16/32 support

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This adds support for W25P80/16/32 chips. Most notably these chips only
have two erase commands - one for 64KiB "sectors" and one for chip
erase.

Change-Id: Ie09ba8e28fee35c42e17ca05219dc673413de93b
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-on: https://review.coreboot.org/23700
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
David Hendricks 2018-02-11 17:40:53 -08:00
parent f701f34311
commit c9ee0ed8a6
2 changed files with 89 additions and 0 deletions
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86
flashchips.c
View File

@ -15429,6 +15429,92 @@ const struct flashchip flashchips[] = {
.voltage = {2700, 3600},
},
{
.vendor = "Winbond",
.name = "W25P80",
.bustype = BUS_SPI,
.manufacture_id = WINBOND_NEX_ID,
.model_id = WINBOND_NEX_W25P80,
.total_size = 1024,
.page_size = 256,
.feature_bits = FEATURE_WRSR_WREN,
.tested = TEST_UNTESTED,
.probe = probe_spi_rdid,
.probe_timing = TIMING_ZERO,
.block_erasers =
{
{
.eraseblocks = { {64 * 1024, 16} },
.block_erase = spi_block_erase_d8,
}, {
.eraseblocks = { {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, /* Fast read (0x0B) supported */
.voltage = {2700, 3600},
},
{
.vendor = "Winbond",
.name = "W25P16",
.bustype = BUS_SPI,
.manufacture_id = WINBOND_NEX_ID,
.model_id = WINBOND_NEX_W25P16,
.total_size = 2048,
.page_size = 256,
.feature_bits = FEATURE_WRSR_WREN,
.tested = TEST_UNTESTED,
.probe = probe_spi_rdid,
.probe_timing = TIMING_ZERO,
.block_erasers =
{
{
.eraseblocks = { {64 * 1024, 32} },
.block_erase = spi_block_erase_d8,
}, {
.eraseblocks = { {2048 * 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, /* Fast read (0x0B) supported */
.voltage = {2700, 3600},
},
{
.vendor = "Winbond",
.name = "W25P32",
.bustype = BUS_SPI,
.manufacture_id = WINBOND_NEX_ID,
.model_id = WINBOND_NEX_W25P32,
.total_size = 4096,
.page_size = 256,
.feature_bits = FEATURE_WRSR_WREN,
.tested = TEST_UNTESTED,
.probe = probe_spi_rdid,
.probe_timing = TIMING_ZERO,
.block_erasers =
{
{
.eraseblocks = { {64 * 1024, 64} },
.block_erase = spi_block_erase_d8,
}, {
.eraseblocks = { {4096 * 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, /* Fast read (0x0B) supported */
.voltage = {2700, 3600},
},
{
.vendor = "Winbond",
.name = "W29C512A/W29EE512",

3
flashchips.h
View File

@ -890,6 +890,9 @@
* byte of device ID is related to log(bitsize).
*/
#define WINBOND_NEX_ID 0xEF /* Winbond (ex Nexcom) serial flashes */
#define WINBOND_NEX_W25P80 0x2014
#define WINBOND_NEX_W25P16 0x2015
#define WINBOND_NEX_W25P32 0x2016
#define WINBOND_NEX_W25X10 0x3011
#define WINBOND_NEX_W25X20 0x3012
#define WINBOND_NEX_W25X40 0x3013