openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 14:33:18 +02:00
Code Issues Releases Wiki Activity

spi25: Enable native 4BA read and write using feature bits

Browse Source 
Prefer the native 4BA instruction when they are supported. In this
case, override our logic to decide to use a 4BA address.

Change-Id: I2f6817ca198bf923671a7aa67e956e5477d71848
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/22385
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Nico Huber
2017-10-14 18:00:20 +02:00
parent f43c654ad0
commit a1672f8293
3 changed files with 28 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
flashchips.c
View File

@ -9928,7 +9928,7 @@ const struct flashchip flashchips[] = {
.page_size = 256,
/* supports SFDP */
/* OTP: 64B total; read 0x4B, write 0x42 */
.feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT,
.feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ | FEATURE_4BA_WRITE,
.four_bytes_addr_funcs =
{
.read_nbyte = spi_nbyte_read_4ba_direct,
@ -9967,7 +9967,7 @@ const struct flashchip flashchips[] = {
.page_size = 256,
/* supports SFDP */
/* OTP: 64B total; read 0x4B, write 0x42 */
.feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT,
.feature_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ | FEATURE_4BA_WRITE,
.four_bytes_addr_funcs =
{
.read_nbyte = spi_nbyte_read_4ba_direct,
@ -14851,7 +14851,7 @@ const struct flashchip flashchips[] = {
/* 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_bits = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ,
.four_bytes_addr_funcs =
{
.set_4ba = spi_enter_4ba_b7_we, /* enter 4-bytes addressing mode by CMD B7 + WREN */