Anastasia Klimchuk submitted this change.
1 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
flashchips: Add WP features for Winbond W25X20
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>
---
M flashchips.c
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/flashchips.c b/flashchips.c
index ce68e95..009624f 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -19803,7 +19803,7 @@
.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 @@
.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,
},
{
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