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-rw-r--r--src/vendorcode/google/chromeos/Kconfig2
-rw-r--r--src/vendorcode/google/chromeos/Makefile.inc1
-rw-r--r--src/vendorcode/google/chromeos/chromeos.h4
-rw-r--r--src/vendorcode/google/chromeos/vboot.c248
4 files changed, 2 insertions, 253 deletions
diff --git a/src/vendorcode/google/chromeos/Kconfig b/src/vendorcode/google/chromeos/Kconfig
index 4e7fdac5e2..0b0b86222d 100644
--- a/src/vendorcode/google/chromeos/Kconfig
+++ b/src/vendorcode/google/chromeos/Kconfig
@@ -26,6 +26,8 @@ config CHROMEOS
bool "Build for ChromeOS"
default n
select TPM
+ select TPM_INIT_FAILURE_IS_FATAL
+ select SKIP_TPM_STARTUP_ON_NORMAL_BOOT
select BOOTMODE_STRAPS
select ELOG
help
diff --git a/src/vendorcode/google/chromeos/Makefile.inc b/src/vendorcode/google/chromeos/Makefile.inc
index 67beabac1e..df244358cc 100644
--- a/src/vendorcode/google/chromeos/Makefile.inc
+++ b/src/vendorcode/google/chromeos/Makefile.inc
@@ -32,7 +32,6 @@ verstage-$(CONFIG_CHROMEOS_VBNV_FLASH) += vbnv_flash.c
romstage-$(CONFIG_CHROMEOS_VBNV_FLASH) += vbnv_flash.c
ramstage-$(CONFIG_CHROMEOS_VBNV_FLASH) += vbnv_flash.c
-romstage-$(CONFIG_ARCH_ROMSTAGE_X86_32) += vboot.c
ramstage-$(CONFIG_ELOG) += elog.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += gnvs.c
ramstage-$(CONFIG_CHROMEOS_RAMOOPS) += ramoops.c
diff --git a/src/vendorcode/google/chromeos/chromeos.h b/src/vendorcode/google/chromeos/chromeos.h
index e495a11c91..c7048ddcd8 100644
--- a/src/vendorcode/google/chromeos/chromeos.h
+++ b/src/vendorcode/google/chromeos/chromeos.h
@@ -39,9 +39,6 @@ void read_vbnv(uint8_t *vbnv_copy);
void save_vbnv(const uint8_t *vbnv_copy);
#if CONFIG_CHROMEOS
-/* functions implemented in vboot.c */
-void init_chromeos(int bootmode);
-
/* functions implemented in elog.c */
void elog_add_boot_reason(void);
@@ -53,7 +50,6 @@ int vboot_enable_developer(void);
int vboot_enable_recovery(void);
int vboot_skip_display_init(void);
#else
-static inline void init_chromeos(int bootmode) { }
static inline void elog_add_boot_reason(void) { return; }
static inline void elog_add_watchdog_reset(void) { return; }
static inline void reboot_from_watchdog(void) { return; }
diff --git a/src/vendorcode/google/chromeos/vboot.c b/src/vendorcode/google/chromeos/vboot.c
deleted file mode 100644
index 6678aaabca..0000000000
--- a/src/vendorcode/google/chromeos/vboot.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.
- */
-
-#include <types.h>
-#include <console/cbmem_console.h>
-#include <console/console.h>
-#include <arch/acpi.h>
-#include <tpm.h>
-#include <reset.h>
-#include "chromeos.h"
-
-//#define EXTRA_LOGGING
-#define UBOOT_DOES_TPM_STARTUP
-
-#define TPM_LARGE_ENOUGH_COMMAND_SIZE 256 /* saves space in the firmware */
-
-#define TPM_SUCCESS ((u32)0x00000000)
-
-#define TPM_E_IOERROR ((u32)0x0000001f)
-#define TPM_E_COMMUNICATION_ERROR ((u32)0x00005004)
-#define TPM_E_NON_FATAL ((u32)0x00000800)
-#define TPM_E_INVALID_POSTINIT ((u32)0x00000026)
-
-#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 = {
- { 0x0, 0xc1, 0x0, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, 0x99, 0x0, 0x2 }
-};
-
-static const struct {
- u8 buffer[12];
-} tpm_startup_cmd = {
- {0x0, 0xc1, 0x0, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, 0x99, 0x0, 0x1 }
-};
-
-static const struct {
- u8 buffer[10];
-} tpm_continueselftest_cmd = {
- { 0x0, 0xc1, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x53 }
-};
-
-static inline void FromTpmUint32(const u8 * buffer, u32 * x)
-{
- *x = ((buffer[0] << 24) |
- (buffer[1] << 16) | (buffer[2] << 8) | buffer[3]);
-}
-
-static inline int TpmCommandSize(const u8 * buffer)
-{
- u32 size;
- FromTpmUint32(buffer + sizeof(u16), &size);
- return (int)size;
-}
-
-/* Gets the code field of a TPM command. */
-static inline int TpmCommandCode(const u8 * buffer)
-{
- u32 code;
- FromTpmUint32(buffer + sizeof(u16) + sizeof(u32), &code);
- return code;
-}
-
-/* Gets the return code field of a TPM result. */
-static inline int TpmReturnCode(const u8 * buffer)
-{
- return TpmCommandCode(buffer);
-}
-
-/* Like TlclSendReceive below, but do not retry if NEEDS_SELFTEST or
- * DOING_SELFTEST errors are returned.
- */
-static u32 TlclSendReceiveNoRetry(const u8 * request,
- u8 * response, int max_length)
-{
- size_t response_length = max_length;
- u32 result;
-
-#ifdef EXTRA_LOGGING
- printk(BIOS_DEBUG, "TPM: command: %x%x %x%x%x%x %x%x%x%x\n",
- request[0], request[1],
- request[2], request[3], request[4], request[5],
- request[6], request[7], request[8], request[9]);
-#endif
-
- result = TPM_SUCCESS;
- if (tis_sendrecv
- (request, TpmCommandSize(request), response, &response_length))
- result = TPM_E_IOERROR;
-
- if (0 != result) {
- /* Communication with TPM failed, so response is garbage */
- printk(BIOS_DEBUG,
- "TPM: command 0x%x send/receive failed: 0x%x\n",
- TpmCommandCode(request), result);
- return TPM_E_COMMUNICATION_ERROR;
- }
- /* Otherwise, use the result code from the response */
- result = TpmReturnCode(response);
-
-/* TODO: add paranoia about returned response_length vs. max_length
- * (and possibly expected length from the response header). See
- * crosbug.com/17017 */
-
-#ifdef EXTRA_LOGGING
- printk(BIOS_DEBUG, "TPM: response: %x%x %x%x%x%x %x%x%x%x\n",
- response[0], response[1],
- response[2], response[3], response[4], response[5],
- response[6], response[7], response[8], response[9]);
-#endif
-
- printk(BIOS_DEBUG, "TPM: command 0x%x returned 0x%x\n",
- TpmCommandCode(request), result);
-
- return result;
-}
-
-static inline u32 TlclContinueSelfTest(void)
-{
- u8 response[TPM_LARGE_ENOUGH_COMMAND_SIZE];
- printk(BIOS_DEBUG, "TPM: Continue self test\n");
- /* Call the No Retry version of SendReceive to avoid recursion. */
- return TlclSendReceiveNoRetry(tpm_continueselftest_cmd.buffer,
- response, sizeof(response));
-}
-
-/* Sends a TPM command and gets a response. Returns 0 if success or the TPM
- * error code if error. In the firmware, waits for the self test to complete
- * if needed. In the host, reports the first error without retries. */
-static u32 TlclSendReceive(const u8 * request, u8 * response, int max_length)
-{
- u32 result = TlclSendReceiveNoRetry(request, response, max_length);
- /* When compiling for the firmware, hide command failures due to the self
- * test not having run or completed. */
- /* If the command fails because the self test has not completed, try it
- * again after attempting to ensure that the self test has completed. */
- if (result == TPM_E_NEEDS_SELFTEST || result == TPM_E_DOING_SELFTEST) {
- result = TlclContinueSelfTest();
- if (result != TPM_SUCCESS) {
- return result;
- }
-#if defined(TPM_BLOCKING_CONTINUESELFTEST) || defined(VB_RECOVERY_MODE)
- /* Retry only once */
- result = TlclSendReceiveNoRetry(request, response, max_length);
-#else
- /* This needs serious testing. The TPM specification says:
- * "iii. The caller MUST wait for the actions of
- * TPM_ContinueSelfTest to complete before reissuing the
- * command C1." But, if ContinueSelfTest is non-blocking, how
- * do we know that the actions have completed other than trying
- * again? */
- do {
- result =
- TlclSendReceiveNoRetry(request, response,
- max_length);
- } while (result == TPM_E_DOING_SELFTEST);
-#endif
- }
-
- return result;
-}
-
-static void init_vboot(int bootmode)
-{
- u32 result;
- u8 response[TPM_LARGE_ENOUGH_COMMAND_SIZE];
-
-#ifdef UBOOT_DOES_TPM_STARTUP
- /* Doing TPM startup when we're not coming in on the S3 resume path
- * saves us roughly 20ms in boot time only. This does not seem to
- * be worth an API change to vboot_reference-firmware right now, so
- * let's keep the code around, but just bail out early:
- */
- if (bootmode != 2)
- return;
-#endif
-
- printk(BIOS_DEBUG, "Verified boot TPM initialization.\n");
-
- printk(BIOS_SPEW, "TPM: Init\n");
- if (tis_init())
- return;
-
- printk(BIOS_SPEW, "TPM: Open\n");
- if (tis_open())
- return;
-
-
- if (bootmode == 2) {
- /* S3 Resume */
- printk(BIOS_SPEW, "TPM: Resume\n");
- result = TlclSendReceive(tpm_resume_cmd.buffer,
- response, sizeof(response));
- if (result == TPM_E_INVALID_POSTINIT) {
- /* We're on a platform where the TPM maintains power
- * in S3, so it's already initialized.
- */
- printk(BIOS_DEBUG, "TPM: Already initialized.\n");
- return;
- }
- } else {
- printk(BIOS_SPEW, "TPM: Startup\n");
- result = TlclSendReceive(tpm_startup_cmd.buffer,
- response, sizeof(response));
- }
-
- if (result == TPM_SUCCESS) {
- printk(BIOS_SPEW, "TPM: OK.\n");
- return;
- }
-
-#if !MOCK_TPM
- printk(BIOS_ERR, "TPM: Error code 0x%x. Hard reset!\n", result);
- post_code(POST_TPM_FAILURE);
- if (IS_ENABLED(CONFIG_CONSOLE_CBMEM_DUMP_TO_UART))
- cbmem_dump_console();
- hard_reset();
-#endif
-}
-#endif
-
-void init_chromeos(int bootmode)
-{
- init_vboot(bootmode);
-}