1 files changed, 67 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/romstage.c b/src/soc/intel/broadwell/romstage.c
new file mode 100644
index 0000000000..2e5db76ce9
--- /dev/null
+++ b/src/soc/intel/broadwell/romstage.c
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <arch/romstage.h>
+#include <console/console.h>
+#include <elog.h>
+#include <romstage_handoff.h>
+#include <soc/gpio.h>
+#include <soc/me.h>
+#include <soc/pei_data.h>
+#include <soc/pm.h>
+#include <soc/romstage.h>
+#include <stdint.h>
+#include <timestamp.h>
+
+/* Entry from cpu/intel/car/romstage.c. */
+void mainboard_romstage_entry(void)
+{
+	struct romstage_params rp = { 0 };
+
+	post_code(0x30);
+
+	/* System Agent Early Initialization */
+	systemagent_early_init();
+
+	/* PCH Early Initialization */
+	pch_early_init();
+
+	/* Get power state */
+	rp.power_state = fill_power_state();
+
+	elog_boot_notify(rp.power_state->prev_sleep_state == ACPI_S3);
+
+	/* Print useful platform information */
+	report_platform_info();
+
+	/* Set CPU frequency to maximum */
+	set_max_freq();
+
+	/* Initialize GPIOs */
+	init_gpios(mainboard_gpio_config);
+
+	/* Fill in mainboard pei_date. */
+	mainboard_pre_raminit(&rp);
+
+	post_code(0x32);
+
+	timestamp_add_now(TS_BEFORE_INITRAM);
+
+	rp.pei_data.boot_mode = rp.power_state->prev_sleep_state;
+
+	/* Print ME state before MRC */
+	intel_me_status();
+
+	/* Save ME HSIO version */
+	intel_me_hsio_version(&rp.power_state->hsio_version,
+			      &rp.power_state->hsio_checksum);
+
+	/* Initialize RAM */
+	raminit(&rp.pei_data);
+
+	timestamp_add_now(TS_AFTER_INITRAM);
+
+	romstage_handoff_init(rp.power_state->prev_sleep_state == ACPI_S3);
+
+	mainboard_post_raminit(&rp);
+}