summaryrefslogtreecommitdiff
path: root/src/mainboard/google/kukui/chromeos.c
diff options
context:
space:
mode:
authorTristan Shieh <tristan.shieh@mediatek.com>2018-10-19 17:29:23 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-12-05 13:35:59 +0000
commit0688ab8d95f18f718510cc17aeb01a47519a9a5a (patch)
tree05fcd7af442ef1f32e85b34d1cdf5ac25371d434 /src/mainboard/google/kukui/chromeos.c
parent3a065f1a76feb4f23af6708caef5f912292610fd (diff)
google/kukui: Support TPM
Init SPI bus 0 to connect TPM, configure interrupt type of GPIO CR50_IRQ, implement tis_plat_irq_status(), and set up chromeos GPIO table for TPM interrupt. BUG=b:80501386 BRANCH=none Test=Boots correctly on Kukui. Change-Id: Ieaa6ae65fbfb5ab6323e226e8171dd7a992c3a39 Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com> Reviewed-on: https://review.coreboot.org/c/29192 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/mainboard/google/kukui/chromeos.c')
-rw-r--r--src/mainboard/google/kukui/chromeos.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/chromeos.c b/src/mainboard/google/kukui/chromeos.c
index ace99bc11e..77c442f36a 100644
--- a/src/mainboard/google/kukui/chromeos.c
+++ b/src/mainboard/google/kukui/chromeos.c
@@ -16,6 +16,7 @@
#include <bootmode.h>
#include <boot/coreboot_tables.h>
#include <gpio.h>
+#include <security/tpm/tis.h>
#include "gpio.h"
@@ -31,6 +32,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
{EC_IN_RW.id, ACTIVE_HIGH, -1, "EC in RW"},
{EC_IRQ.id, ACTIVE_LOW, -1, "EC interrupt"},
+ {CR50_IRQ.id, ACTIVE_HIGH, -1, "TPM interrupt"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
@@ -39,3 +41,8 @@ int get_write_protect_state(void)
{
return 0;
}
+
+int tis_plat_irq_status(void)
+{
+ return gpio_eint_poll(CR50_IRQ);
+}