Change in ...coreboot[master]: drivers/spi/winbond: Fix TB bit

[Philipp Deppenwiese (Code Review)]

Philipp Deppenwiese has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/30014 )

Change subject: drivers/spi/winbond: Fix TB bit
......................................................................

drivers/spi/winbond: Fix TB bit

The TB has to be inverted to actually protected the correct region.

Tested on elgon using I67eb4ee8e0ad297a8d1984d55102146688c291fc.

Change-Id: I715791b8ae5d1db1ef587321ae5c9daa10eb7dbc
Signed-off-by: Patrick Rudolph 
Reviewed-on: https://review.coreboot.org/c/30014
Tested-by: build bot (Jenkins) 
Reviewed-by: Philipp Deppenwiese 
Reviewed-by: David Hendricks 
Reviewed-by: Julius Werner 
---
M src/drivers/spi/winbond.c
1 file changed, 3 insertions(+), 3 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  David Hendricks: Looks good to me, approved
  Philipp Deppenwiese: Looks good to me, approved
  Julius Werner: Looks good to me, approved

diff --git a/src/drivers/spi/winbond.c b/src/drivers/spi/winbond.c
index 9eb3352..f8ea247 100644
--- a/src/drivers/spi/winbond.c
+++ b/src/drivers/spi/winbond.c
@@ -303,7 +303,7 @@
    	tb = !tb;
    }

-	out->offset = tb ? flash_size - protected_size : 0;
+	out->offset = tb ? 0 : flash_size - protected_size;
    out->size = protected_size;
 }

@@ -519,9 +519,9 @@
    wp_region = *region;

if (region_offset(&wp_region) == 0)
-		tb = 0;
-	else
    	tb = 1;
+	else
+		tb = 0;

if (region_sz(&wp_region) > flash->size / 2) {
    	cmp = 1;