diff --git a/src/mainboard/google/parrot/romstage.c b/src/mainboard/google/parrot/romstage.c
index 029805b..60c3f01 100644
--- a/src/mainboard/google/parrot/romstage.c
+++ b/src/mainboard/google/parrot/romstage.c
@@ -31,7 +31,6 @@
 #include <southbridge/intel/bd82x6x/pch.h>
 #include <southbridge/intel/bd82x6x/gpio.h>
 #include <arch/cpu.h>
-#include <cpu/x86/bist.h>
 #include <cpu/x86/msr.h>
 #include <halt.h>
 #include "gpio.h"
@@ -39,7 +38,7 @@
 #include <tpm.h>
 #include "ec/compal/ene932/ec.h"
 
-static void pch_enable_lpc(void)
+void pch_enable_lpc(void)
 {
 	/* Parrot EC Decode Range Port60/64, Port62/66 */
 	/* Enable EC, PS/2 Keyboard/Mouse */
@@ -52,7 +51,7 @@
 	pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, (68 & ~3) | 0x00040001);
 }
 
-static void rcba_config(void)
+void rcba_config(void)
 {
 	u32 reg32;
 
@@ -107,13 +106,13 @@
 	RCBA32(FD) = reg32;
 }
 
-#include <cpu/intel/romstage.h>
-void main(unsigned long bist)
+void mainboard_early_init(int s3resume)
 {
-	int boot_mode = 0;
-	int cbmem_was_initted;
+}
 
-	struct pei_data pei_data = {
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+	struct pei_data pei_data_template = {
 		.pei_version = PEI_VERSION,
 		.mchbar = (uintptr_t)DEFAULT_MCHBAR,
 		.dmibar = (uintptr_t)DEFAULT_DMIBAR,
@@ -158,81 +157,14 @@
 			{ 0, 4, 0x0000 }, /* P13: Empty */
 		},
 	};
+	*pei_data = pei_data_template;
+}
 
-	timestamp_init(get_initial_timestamp());
-	timestamp_add_now(TS_START_ROMSTAGE);
+void mainboard_config_superio(void)
+{
+}
 
-	if (bist == 0)
-		enable_lapic();
-
-	pch_enable_lpc();
-
-	/* Enable GPIOs */
-	pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE|1);
-	pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10);
-	setup_pch_gpios(&parrot_gpio_map);
-
-	/* Initialize console device(s) */
-	console_init();
-
-	/* Halt if there was a built in self test failure */
-	report_bist_failure(bist);
-
-	if (MCHBAR16(SSKPD) == 0xCAFE) {
-		printk(BIOS_DEBUG, "soft reset detected\n");
-		boot_mode = 1;
-
-		/* System is not happy after keyboard reset... */
-		printk(BIOS_DEBUG, "Issuing CF9 warm reset\n");
-		outb(0x6, 0xcf9);
-		halt();
-	}
-
-	/* Perform some early chipset initialization required
-	 * before RAM initialization can work
-	 */
-	sandybridge_early_initialization(SANDYBRIDGE_MOBILE);
-	printk(BIOS_DEBUG, "Back from sandybridge_early_initialization()\n");
-
-	boot_mode = southbridge_detect_s3_resume() ? 2 : 0;
-
-	post_code(0x38);
-	/* Enable SPD ROMs and DDR-III DRAM */
-	enable_smbus();
-
-	/* Prepare USB controller early in S3 resume */
-	if (boot_mode == 2)
-		enable_usb_bar();
-
-	post_code(0x39);
-
-	post_code(0x3a);
-	pei_data.boot_mode = boot_mode;
-	timestamp_add_now(TS_BEFORE_INITRAM);
-	sdram_initialize(&pei_data);
-
-	timestamp_add_now(TS_AFTER_INITRAM);
-	post_code(0x3c);
-
-	rcba_config();
-	post_code(0x3d);
-
-	quick_ram_check();
-	post_code(0x3e);
-
-	cbmem_was_initted = !cbmem_recovery(boot_mode==2);
-	if (boot_mode!=2)
-		save_mrc_data(&pei_data);
-
-	if (boot_mode==2 && !cbmem_was_initted) {
-		/* Failed S3 resume, reset to come up cleanly */
-		outb(0x6, 0xcf9);
-		halt();
-	}
-	northbridge_romstage_finalize(boot_mode==2);
-
-	post_code(0x3f);
-	if (CONFIG_LPC_TPM) {
-		init_tpm(boot_mode == 2);
-	}
+int mainboard_should_reset_usb(int s3resume)
+{
+	return !s3resume;
 }