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>
diff --git a/spi25.c b/spi25.c
index 3b5e50e..f3a35a1 100644
--- a/spi25.c
+++ b/spi25.c
@@ -849,6 +849,8 @@
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;