diff --git a/src/mainboard/amd/olivehill/Kconfig b/src/mainboard/amd/olivehill/Kconfig
index 3433115ad2..37fb43fdad 100644
--- a/src/mainboard/amd/olivehill/Kconfig
+++ b/src/mainboard/amd/olivehill/Kconfig
@@ -17,7 +17,6 @@ if BOARD_AMD_OLIVEHILL
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
-	select AGESA_LEGACY
 	select CPU_AMD_AGESA_FAMILY16_KB
 	select NORTHBRIDGE_AMD_AGESA_FAMILY16_KB
 	select SOUTHBRIDGE_AMD_AGESA_YANGTZE
diff --git a/src/mainboard/amd/olivehill/romstage.c b/src/mainboard/amd/olivehill/romstage.c
index d0e1938456..8190cb7711 100644
--- a/src/mainboard/amd/olivehill/romstage.c
+++ b/src/mainboard/amd/olivehill/romstage.c
@@ -17,31 +17,19 @@
 #include <string.h>
 #include <device/pci_def.h>
 #include <device/pci_ids.h>
-#include <arch/acpi.h>
 #include <arch/io.h>
 #include <arch/stages.h>
 #include <device/pnp_def.h>
-#include <arch/cpu.h>
-#include <cpu/x86/lapic.h>
 #include <console/console.h>
 #include <commonlib/loglevel.h>
-#include <cpu/amd/car.h>
-#include <northbridge/amd/agesa/agesawrapper.h>
-#include <northbridge/amd/agesa/agesa_helper.h>
-#include <cpu/x86/bist.h>
-#include <cpu/x86/lapic.h>
+#include <northbridge/amd/agesa/state_machine.h>
 #include <southbridge/amd/agesa/hudson/hudson.h>
-#include <cpu/amd/agesa/s3_resume.h>
-#include "cbmem.h"
 
-
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void board_BeforeAgesa(struct sysinfo *cb)
 {
+	int i;
 	u32 val;
 
-	/* Must come first to enable PCI MMCONF. */
-	amd_initmmio();
-
 	/* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
 	 *  LpcClk[1:0]".  To be consistent with Parmer, setting to 4mA
 	 *  even though the register is not documented in the Kabini BKDG.
@@ -50,67 +38,17 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	outb(0xD2, 0xcd6);
 	outb(0x00, 0xcd7);
 
+	/* Disable PCI-PCI bridge and release GPIO32/33 for other uses. */
+	outb(0xea, 0xcd6);
+	outb(0x1, 0xcd7);
+
 	/* Set LPC decode enables. */
 	pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
 	pci_write_config32(dev, 0x44, 0xff03ffd5);
 
 	hudson_lpc_port80();
 
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-
-		post_code(0x31);
-		console_init();
-	}
-
-	/* Halt if there was a built in self test failure */
-	post_code(0x34);
-	report_bist_failure(bist);
-
-	/* Load MPB */
-	val = cpuid_eax(1);
-	printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
-	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
-
 	/* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */
-	int i;
-	for(i = 0; i < 200000; i++)
+	for (i = 0; i < 200000; i++)
 		val = inb(0xcd6);
-
-	post_code(0x37);
-	agesawrapper_amdinitreset();
-	post_code(0x38);
-	printk(BIOS_DEBUG, "Got past yangtze_early_setup\n");
-
-	post_code(0x39);
-
-	agesawrapper_amdinitearly();
-	int s3resume = acpi_is_wakeup_s3();
-	if (!s3resume) {
-		post_code(0x40);
-		agesawrapper_amdinitpost();
-		post_code(0x41);
-		agesawrapper_amdinitenv();
-		/* TODO: Disable cache is not ok. */
-		disable_cache_as_ram();
-	} else { /* S3 detect */
-		printk(BIOS_INFO, "S3 detected\n");
-
-		post_code(0x60);
-		agesawrapper_amdinitresume();
-
-		amd_initcpuio();
-		agesawrapper_amds3laterestore();
-
-		post_code(0x61);
-		prepare_for_resume();
-	}
-
-	outb(0xEA, 0xCD6);
-	outb(0x1, 0xcd7);
-
-	post_code(0x50);
-	copy_and_run();
-
-	post_code(0x54);  /* Should never see this post code. */
 }