soc/intel/cannonlake: Add FSP GOP support

1. Add FSP GOP config.
2. Pass VBT to FSP.

Change-Id: Icf836d683ae00cd034c853bc9ce965d4de5f7413
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Signed-off-by: Abhay Kumar <abhay.kumar@intel.com>
Reviewed-on: https://review.coreboot.org/21628
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

2 files changed, 19 insertions, 0 deletions

diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index fe80a20d67..03f98d23e5 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -18,10 +18,12 @@ config CPU_SPECIFIC_OPTIONS
 	select COMMON_FADT
 	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
 	select GENERIC_GPIO_LIB
+	select HAVE_FSP_GOP
 	select HAVE_HARD_RESET
 	select HAVE_INTEL_FIRMWARE
 	select HAVE_MONOTONIC_TIMER
 	select INTEL_CAR_NEM_ENHANCED
+	select INTEL_GMA_ADD_VBT_DATA_FILE if RUN_FSP_GOP
 	select PARALLEL_MP
 	select PARALLEL_MP_AP_WORK
 	select PLATFORM_USES_FSP2_0
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index 6616b66b32..e1cf167629 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -20,10 +20,14 @@
 #include <fsp/api.h>
 #include <fsp/util.h>
 #include <romstage_handoff.h>
+#include <soc/intel/common/vbt.h>
 #include <soc/pci_devs.h>
 #include <soc/ramstage.h>
 #include <string.h>
 
+static void *vbt;
+static struct region_device vbt_rdev;
+
 #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
 static const char *soc_acpi_name(const struct device *dev)
 {
@@ -160,10 +164,17 @@ static void soc_enable(device_t dev)
 		dev->ops = &cpu_bus_ops;
 }
 
+static void soc_final(void *data)
+{
+	if (vbt)
+		rdev_munmap(&vbt_rdev, vbt);
+}
+
 struct chip_operations soc_intel_cannonlake_ops = {
 	CHIP_NAME("Intel Cannonlake")
 	.enable_dev	= &soc_enable,
 	.init		= &soc_init_pre_device,
+	.final		= &soc_final
 };
 
 /* UPD parameters to be initialized before SiliconInit */
@@ -177,6 +188,12 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	/* Parse device tree and enable/disable devices */
 	parse_devicetree(params);
 
+	/* Save VBT info and mapping */
+	vbt = vbt_get(&vbt_rdev);
+
+	/* Load VBT before devicetree-specific config. */
+	params->GraphicsConfigPtr = (uintptr_t)vbt;
+
 	/* Set USB OC pin to 0 first */
 	for (i = 0; i < ARRAY_SIZE(params->Usb2OverCurrentPin); i++) {
 		params->Usb2OverCurrentPin[i] = 0;