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Add VB_INIT_FLAG_SW_WP_ENABLED to VbInit() input flags.

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We need to know not only whether the HW WP pin is asserted, but whether the
flash chip has configured its software protection registers to actually
protect anything. This flag can be used to indicate that.

BUG=chrome-os-partner:13265
BRANCH=link
TEST=none

This just adds the flag. Nothing actually sets the flag yet, so there's
nothing to test.

Change-Id: Icba9945fb56eb3a4681486c630cbbdc9232485ef
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/31642
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Bill Richardson
2012-08-28 15:00:51 -07:00
committed by Gerrit
parent 1d053f6e23
commit 9dc62178c9
6 changed files with 24 additions and 3 deletions
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3
firmware/include/vboot_api.h
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@@ -181,6 +181,9 @@ typedef struct VbCommonParams {
#define VB_INIT_FLAG_EC_SOFTWARE_SYNC 0x00000200
/* EC on this platform is slow to update. */
#define VB_INIT_FLAG_EC_SLOW_UPDATE 0x00000400
/* Software write protect was enabled at boot time. This is separate from the
* HW write protect. Both must be set for flash write protection to work. */
#define VB_INIT_FLAG_SW_WP_ENABLED 0x00000800
/* Output flags for VbInitParams.out_flags. Used to indicate
* potential boot paths and configuration to the calling firmware