summaryrefslogtreecommitdiff
path: root/src/security/tpm/tss/tcg-1.2
diff options
context:
space:
mode:
authorSergii Dmytruk <sergii.dmytruk@3mdeb.com>2022-12-22 19:35:25 +0200
committerFelix Held <felix-coreboot@felixheld.de>2022-12-23 21:31:11 +0000
commit4ee03170e058313477b8f0bbfc81d093a6197d98 (patch)
treec7a86dddbaa044167ac0ba7916cf4ebf76889118 /src/security/tpm/tss/tcg-1.2
parent025d20eaebb4680396a7e9e558295d28f7ad0988 (diff)
Revert "security/tpm/: turn tis_{init,open} into tis_probe"
This reverts commit d43154486d27323f64334203e9bc8baf08af6845. From CB:68991: This causes CraterLake boot up process to die. Investigation in progress. Change-Id: I4a6c11b0e638a891108fe230bdaea92d5fbca020 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71205 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Tested-by: siemens-bot Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/security/tpm/tss/tcg-1.2')
-rw-r--r--src/security/tpm/tss/tcg-1.2/tss.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/src/security/tpm/tss/tcg-1.2/tss.c b/src/security/tpm/tss/tcg-1.2/tss.c
index 7f0607ba82..39c44eca9f 100644
--- a/src/security/tpm/tss/tcg-1.2/tss.c
+++ b/src/security/tpm/tss/tcg-1.2/tss.c
@@ -24,18 +24,12 @@
#include <console/console.h>
#define VBDEBUG(format, args...) printk(BIOS_DEBUG, format, ## args)
-static tis_sendrecv_fn tis_sendrecv;
-
static int tpm_send_receive(const uint8_t *request,
uint32_t request_length,
uint8_t *response,
uint32_t *response_length)
{
size_t len = *response_length;
-
- if (tis_sendrecv == NULL)
- die("TSS 1.2 wasn't initialized\n");
-
if (tis_sendrecv(request, request_length, response, &len))
return VB2_ERROR_UNKNOWN;
/* check 64->32bit overflow and (re)check response buffer overflow */
@@ -146,15 +140,20 @@ static uint32_t send(const uint8_t *command)
/* Exported functions. */
+static uint8_t tlcl_init_done;
+
uint32_t tlcl_lib_init(void)
{
- if (tis_sendrecv != NULL)
+ if (tlcl_init_done)
return VB2_SUCCESS;
- tis_sendrecv = tis_probe();
- if (tis_sendrecv == NULL)
+ if (tis_init())
+ return VB2_ERROR_UNKNOWN;
+ if (tis_open())
return VB2_ERROR_UNKNOWN;
+ tlcl_init_done = 1;
+
return VB2_SUCCESS;
}