summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/vendorcode/google/chromeos/Kconfig9
-rw-r--r--src/vendorcode/google/chromeos/vboot.c6
2 files changed, 15 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/Kconfig b/src/vendorcode/google/chromeos/Kconfig
index 24f4c119cf..6242147fd0 100644
--- a/src/vendorcode/google/chromeos/Kconfig
+++ b/src/vendorcode/google/chromeos/Kconfig
@@ -65,3 +65,12 @@ config FLASHMAP_OFFSET
Offset of flash map in firmware image
endmenu
+
+config NO_TPM_RESUME
+ bool
+ default n
+ depends on CHROMEOS
+ help
+ On some boards the TPM stays powered up in S3. On those
+ boards, booting Windows will break if the TPM resume command
+ is sent during an S3 resume.
diff --git a/src/vendorcode/google/chromeos/vboot.c b/src/vendorcode/google/chromeos/vboot.c
index 5bdb7a2b7a..0f30547056 100644
--- a/src/vendorcode/google/chromeos/vboot.c
+++ b/src/vendorcode/google/chromeos/vboot.c
@@ -39,6 +39,11 @@
#define TPM_E_NEEDS_SELFTEST ((u32)(TPM_E_NON_FATAL + 1))
#define TPM_E_DOING_SELFTEST ((u32)(TPM_E_NON_FATAL + 2))
+#if CONFIG_NO_TPM_RESUME
+static void init_vboot(int bootmode)
+{
+}
+#else
static const struct {
u8 buffer[12];
} tpm_resume_cmd = {
@@ -229,6 +234,7 @@ static void init_vboot(int bootmode)
printk(BIOS_ERR, "TPM: Error code 0x%x. Hard reset!\n", result);
hard_reset();
}
+#endif
void init_chromeos(int bootmode)
{