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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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2
firmware/include/vboot_struct.h
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@@ -237,6 +237,8 @@ typedef struct VbKernelPreambleHeader {
#define VBSD_EC_SOFTWARE_SYNC 0x00000800
/* VbInit() was told that the EC firmware is slow to update */
#define VBSD_EC_SLOW_UPDATE 0x00001000
/* Firmware software write protect was enabled at boot time */
#define VBSD_BOOT_FIRMWARE_SW_WP_ENABLED 0x00002000
/* Supported flags by header version. It's ok to add new flags while keeping
* struct version 2 as long as flag-NOT-present is the correct value for