1 files changed, 79 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/fsp_params.c b/src/soc/intel/elkhartlake/fsp_params.c
new file mode 100644
index 0000000000..3d740fb74c
--- /dev/null
+++ b/src/soc/intel/elkhartlake/fsp_params.c
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#include <assert.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <fsp/api.h>
+#include <fsp/ppi/mp_service_ppi.h>
+#include <fsp/util.h>
+#include <intelblocks/lpss.h>
+#include <intelblocks/mp_init.h>
+#include <intelblocks/xdci.h>
+#include <intelpch/lockdown.h>
+#include <soc/intel/common/vbt.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/soc_chip.h>
+#include <string.h>
+
+/*
+ * ME End of Post configuration
+ * 0 - Disable EOP.
+ * 1 - Send in PEI (Applicable for FSP in API mode)
+ * 2 - Send in DXE (Not applicable for FSP in API mode)
+ */
+enum {
+	EOP_DISABLE,
+	EOP_PEI,
+	EOP_DXE,
+} EndOfPost;
+
+static const pci_devfn_t serial_io_dev[] = {
+	PCH_DEVFN_I2C0,
+	PCH_DEVFN_I2C1,
+	PCH_DEVFN_I2C2,
+	PCH_DEVFN_I2C3,
+	PCH_DEVFN_I2C4,
+	PCH_DEVFN_I2C5,
+	PCH_DEVFN_GSPI0,
+	PCH_DEVFN_GSPI1,
+	PCH_DEVFN_GSPI2,
+	PCH_DEVFN_UART0,
+	PCH_DEVFN_UART1,
+	PCH_DEVFN_UART2
+};
+
+static void parse_devicetree(FSP_S_CONFIG *params)
+{
+	const struct soc_intel_elkhartlake_config *config = config_of_soc();
+	/* TODO: Update with UPD override as FSP matures */
+}
+
+/* UPD parameters to be initialized before SiliconInit */
+void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
+{
+	unsigned int i;
+	struct device *dev;
+	FSP_S_CONFIG *params = &supd->FspsConfig;
+	struct soc_intel_elkhartlake_config *config = config_of_soc();
+
+	/* Parse device tree and fill in FSP UPDs */
+	parse_devicetree(params);
+
+	/* TODO: Update with UPD override as FSP matures */
+
+	/* Override/Fill FSP Silicon Param for mainboard */
+	mainboard_silicon_init_params(params);
+}
+
+/* Mainboard GPIO Configuration */
+__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params)
+{
+	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
+}
+
+/* Return list of SOC LPSS controllers */
+const pci_devfn_t *soc_lpss_controllers_list(size_t *size)
+{
+	*size = ARRAY_SIZE(serial_io_dev);
+	return serial_io_dev;
+}