Change in coreboot[master]: mb/google/skyrim: Enable tis_plat_irq_status

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/62873 )

Change subject: mb/google/skyrim: Enable tis_plat_irq_status
......................................................................

mb/google/skyrim: Enable tis_plat_irq_status

This will fix:
> [INFO ]  Probing TPM I2C: tis_plat_irq_status() not implemented, wasting 20ms to wait on Cr50!

BUG=b:224618411
TEST=Compile skyrim

Signed-off-by: Raul E Rangel 
Change-Id: I5add694506ad089adcc8961f101bf507bc39a522
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62873
Reviewed-by: Jon Murphy 
Reviewed-by: Karthik Ramasubramanian 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/skyrim/variants/baseboard/Makefile.inc
M src/mainboard/google/skyrim/variants/baseboard/gpio.c
A src/mainboard/google/skyrim/variants/baseboard/tpm_tis.c
3 files changed, 14 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Karthik Ramasubramanian: Looks good to me, approved
  Jon Murphy: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/skyrim/variants/baseboard/Makefile.inc b/src/mainboard/google/skyrim/variants/baseboard/Makefile.inc
index dc1c1fe..7706e50 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/Makefile.inc
+++ b/src/mainboard/google/skyrim/variants/baseboard/Makefile.inc
@@ -1,7 +1,11 @@
 bootblock-y += gpio.c

romstage-y += gpio.c
+romstage-y += tpm_tis.c

ramstage-y += gpio.c
+ramstage-y += tpm_tis.c
+
+verstage-y += tpm_tis.c

smm-y += gpio.c
diff --git a/src/mainboard/google/skyrim/variants/baseboard/gpio.c b/src/mainboard/google/skyrim/variants/baseboard/gpio.c
index f095651..204ddf6 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/gpio.c
+++ b/src/mainboard/google/skyrim/variants/baseboard/gpio.c
@@ -39,7 +39,7 @@
    /* SOC_SAR_INT_L */
    PAD_SCI(GPIO_17, PULL_NONE, EDGE_LOW),
    /* GSC_SOC_INT_L */
-	PAD_GPI(GPIO_18, PULL_NONE),
+	PAD_INT(GPIO_18, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
    /* I2C3_SCL */
    PAD_NF(GPIO_19, I2C3_SCL, PULL_NONE),
    /* I2C3_SDA */
diff --git a/src/mainboard/google/skyrim/variants/baseboard/tpm_tis.c b/src/mainboard/google/skyrim/variants/baseboard/tpm_tis.c
new file mode 100644
index 0000000..0102baa
--- /dev/null
+++ b/src/mainboard/google/skyrim/variants/baseboard/tpm_tis.c
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <security/tpm/tis.h>
+#include <soc/gpio.h>
+
+int tis_plat_irq_status(void)
+{
+	return gpio_interrupt_status(GPIO_18);
+}