flashchips: Add Winbond W25P80/16/32 support
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>
diff --git a/flashchips.c b/flashchips.c
index 54c4943..0d85142 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -15430,6 +15430,92 @@
},
{
+ .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",
.bustype = BUS_PARALLEL,
diff --git a/flashchips.h b/flashchips.h
index 6a7b0ae..f487248 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -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