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authorFurquan Shaikh <furquan@google.com>2018-04-25 18:13:03 -0700
committerFurquan Shaikh <furquan@google.com>2018-04-27 02:51:25 +0000
commit37c721d78669ed2141981c990a3e8eb1f538fdb4 (patch)
treed281f66067ec8d5847274f4c3abf906bec5c1abd /src/security/vboot/vbnv.h
parent557b9bbdf2886b055673417c5bbebc3a26fed665 (diff)
downloadcoreboot-37c721d78669ed2141981c990a3e8eb1f538fdb4.tar.xz
security/vboot: Add function to read UDC enable flag
This change adds a helper function to read USB Device Controller (UDC) enable flag from VBNV. BUG=b:78577893 BRANCH=poppy Change-Id: Ifd1e9b0781ffee242d695b72287632bc944a50c7 Signed-off-by: Duncan Laurie <dlaurie@google.com> Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/25846 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/security/vboot/vbnv.h')
-rw-r--r--src/security/vboot/vbnv.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/security/vboot/vbnv.h b/src/security/vboot/vbnv.h
index 0288d0df4d..c8e689fa04 100644
--- a/src/security/vboot/vbnv.h
+++ b/src/security/vboot/vbnv.h
@@ -26,6 +26,10 @@ void regen_vbnv_crc(uint8_t *vbnv_copy);
int get_recovery_mode_from_vbnv(void);
void set_recovery_mode_into_vbnv(int recovery_reason);
int vboot_wants_oprom(void);
+
+/* Read the USB Device Controller(UDC) enable flag from VBNV. */
+int vbnv_udc_enable_flag(void);
+
/* Initialize and read vbnv. This is used in the main vboot logic path. */
void vbnv_init(uint8_t *vbnv_copy);
/* Reset vbnv snapshot to a known state. */