Change in coreboot[master]: mb/google/corsola: Configure TPM

[Rex-BC Chen (Code Review)]

Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59943 )

Change subject: mb/google/corsola: Configure TPM
......................................................................

mb/google/corsola: Configure TPM

Initialize SPI bus 2 for TPM control.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen 
Change-Id: I8ede68d6eb594890195e8464151c1c0f88aeee43
---
M src/mainboard/google/corsola/Kconfig
M src/mainboard/google/corsola/bootblock.c
M src/mainboard/google/corsola/chromeos.c
3 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/43/59943/1

diff --git a/src/mainboard/google/corsola/Kconfig b/src/mainboard/google/corsola/Kconfig
index 2a935f3..8877f2f 100644
--- a/src/mainboard/google/corsola/Kconfig
+++ b/src/mainboard/google/corsola/Kconfig
@@ -24,6 +24,8 @@
    select EC_GOOGLE_CHROMEEC
    select EC_GOOGLE_CHROMEEC_BOARDID
    select EC_GOOGLE_CHROMEEC_SPI
+	select MAINBOARD_HAS_SPI_TPM_CR50 if VBOOT
+	select MAINBOARD_HAS_TPM2 if VBOOT

config MAINBOARD_DIR
    string
@@ -43,6 +45,10 @@
    bool
    default n

+config DRIVER_TPM_SPI_BUS
+	hex
+	default 0x2
+
 config EC_GOOGLE_CHROMEEC_SPI_BUS
    hex
    default 0x1
diff --git a/src/mainboard/google/corsola/bootblock.c b/src/mainboard/google/corsola/bootblock.c
index d742074..ea36fed 100644
--- a/src/mainboard/google/corsola/bootblock.c
+++ b/src/mainboard/google/corsola/bootblock.c
@@ -9,6 +9,8 @@
 void bootblock_mainboard_init(void)
 {
    mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 3 * MHz, 0);
+	mtk_spi_init(CONFIG_DRIVER_TPM_SPI_BUS, SPI_PAD0_MASK, 1 * MHz, 0);
    mtk_snfc_init(SPI_NOR_GPIO_SET0);
    setup_chromeos_gpios();
+	gpio_eint_configure(GPIO_GSC_AP_INT, IRQ_TYPE_EDGE_RISING);
 }
diff --git a/src/mainboard/google/corsola/chromeos.c b/src/mainboard/google/corsola/chromeos.c
index 84023b7..847569e 100644
--- a/src/mainboard/google/corsola/chromeos.c
+++ b/src/mainboard/google/corsola/chromeos.c
@@ -3,6 +3,7 @@
 #include <bootmode.h>
 #include <boot/coreboot_tables.h>
 #include <gpio.h>
+#include <security/tpm/tis.h>

#include "gpio.h"

@@ -32,3 +33,8 @@
    /* EC is trusted if not in RW. This is active low. */
    return !!gpio_get(GPIO_EC_IN_RW);
 }
+
+int tis_plat_irq_status(void)
+{
+	return gpio_eint_poll(GPIO_GSC_AP_INT);
+}