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authorBoris Baykov <dev@borisbaykov.com>2016-08-26 16:25:06 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-05-02 14:20:15 -0500
commit9dedbdb2bc4a96ae864b64cbb15fa9945695f3dc (patch)
tree1ac40f7bc28856f73a44be208ba83d2d5678c4cd /flashchips.c
parentf5dd7ce11b65ffd6ead214b4b4cbe90f3eb110dd (diff)
downloadast2050-flashrom-9dedbdb2bc4a96ae864b64cbb15fa9945695f3dc.zip
ast2050-flashrom-9dedbdb2bc4a96ae864b64cbb15fa9945695f3dc.tar.gz
4ba patches
https://patchwork.coreboot.org/patch/4459 https://patchwork.coreboot.org/patch/4461 https://patchwork.coreboot.org/patch/4463 https://patchwork.coreboot.org/patch/4460 https://patchwork.coreboot.org/patch/4464 https://patchwork.coreboot.org/patch/4462 Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com> Change-Id: I2b69a7a537726349742edc3a00054c39b732ac36
Diffstat (limited to 'flashchips.c')
-rw-r--r--flashchips.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/flashchips.c b/flashchips.c
index 40b6b8e..7cd12fa 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 | FEATURE_4BA_DIRECT_READ,
+ .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_direct, /* read directly from any mode, no need to enter 4ba */
+ .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,
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