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| author | Nico Huber <nico.h@gmx.de> | 2018-03-13 18:14:52 +0100 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2018-10-03 13:14:57 +0000 |
| commit | 86bddb5d52659f23531282db137350cbf7fb5992 (patch) | |
| tree | 2f2b2da3f475065c9e86218b79ded18547c6b2c3 /spi25.c | |
| parent | 57dbd64b33143964bb8eb91d33d72a2147f0091c (diff) | |
| download | flashrom-86bddb5d52659f23531282db137350cbf7fb5992.tar.gz flashrom-86bddb5d52659f23531282db137350cbf7fb5992.tar.bz2 flashrom-86bddb5d52659f23531282db137350cbf7fb5992.zip | |
Enable 4BA mode for Spansion 25FL256S
4BA mode is entered by setting bit 7 for the extended address register.
Change-Id: I807bf55d65763a9f48a6a3377f14f4e5288a7a4c
Signed-off-by: Nico Huber <nico.h@gmx.de>
Tested-by: Michael Fuckner <michael@fuckner.net>
Reviewed-on: https://review.coreboot.org/25133
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'spi25.c')
| -rw-r--r-- | spi25.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -849,6 +849,8 @@ static int spi_enter_exit_4ba(struct flashctx *const flash, const bool enter) ret = spi_send_command(flash, sizeof(cmd), 0, &cmd, NULL); else if (flash->chip->feature_bits & FEATURE_4BA_ENTER_WREN) ret = spi_simple_write_cmd(flash, cmd, 0); + else if (flash->chip->feature_bits & FEATURE_4BA_ENTER_EAR7) + ret = spi_set_extended_address(flash, enter ? 0x80 : 0x00); if (!ret) flash->in_4ba_mode = enter; |