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flashchips: Add WP features for Winbond W25X20

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WP-related registers list from official datasheet
https://www.winbond.com/resource-files/w25x20cl_revf%2020150806.pdf

Commandline options tested with ft2232_spi-based "Tigard" programmer:
wp-disable wp-enable wp-list wp-status wp-range=0,0 wp-range=0,0x00040000

Signed-off-by: Vasily Galkin <galkin-vv@ya.ru>
Change-Id: I82c0cc52ca2a78d27f513234cc12d3e09d8905a5
Reviewed-on: https://review.coreboot.org/c/flashrom/+/77530
Reviewed-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Vasily Galkin 2023-08-26 17:57:16 +03:00 committed by Anastasia Klimchuk
parent f7ffe5ff6b
commit 7617467544
1 changed files with 8 additions and 1 deletions
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9
flashchips.c
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@ -19803,7 +19803,7 @@ const struct flashchip flashchips[] = {
.total_size = 256,
.page_size = 256,
.feature_bits = FEATURE_WRSR_WREN,
.tested = TEST_OK_PREW,
.tested = TEST_OK_PREWB,
.probe = PROBE_SPI_RDID,
.probe_timing = TIMING_ZERO,
.block_erasers =
@ -19824,6 +19824,13 @@ const struct flashchip flashchips[] = {
.write = SPI_CHIP_WRITE256,
.read = SPI_CHIP_READ,
.voltage = {2700, 3600},
.reg_bits =
{
.srp = {STATUS1, 7, RW},
.bp = {{STATUS1, 2, RW}, {STATUS1, 3, RW}},
.tb = {STATUS1, 5, RW},
},
.decode_range = DECODE_RANGE_SPI25,
},
{