AGESA: Move romstage main entry under cpu

As we now apply asmlinkage attributes to romstage_main()
entry, also x86_64 passes parameters on the stack.

Change-Id: If9938dbbe9a164c9c1029431499b51ffccb459c1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/18624
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

11 files changed, 159 insertions, 266 deletions

diff --git a/src/cpu/amd/agesa/Makefile.inc b/src/cpu/amd/agesa/Makefile.inc
index 9853d63c5f..19f79756dc 100644
--- a/src/cpu/amd/agesa/Makefile.inc
+++ b/src/cpu/amd/agesa/Makefile.inc
@@ -27,6 +27,7 @@ ifeq ($(CONFIG_AGESA_LEGACY), y)
 cpu_incs-y += $(src)/cpu/amd/agesa/cache_as_ram_legacy.inc
 else
 cpu_incs-y += $(src)/cpu/amd/agesa/cache_as_ram.inc
+romstage-y += romstage.c
 endif
 
 romstage-y += heapmanager.c
diff --git a/src/cpu/amd/agesa/cache_as_ram.inc b/src/cpu/amd/agesa/cache_as_ram.inc
index b7619ff58a..2a9beb8aa4 100644
--- a/src/cpu/amd/agesa/cache_as_ram.inc
+++ b/src/cpu/amd/agesa/cache_as_ram.inc
@@ -29,7 +29,6 @@
 /*
  * XMM map:
  *   xmm0: BIST
- *   xmm1: backup ebx -- cpu_init_detected
  */
 
 .code32
@@ -46,19 +45,9 @@ cache_as_ram_setup:
   orl $(3<<9), %eax
   movl %eax, %cr4
 
-  /* Get the cpu_init_detected */
-  mov $1, %eax
-  cpuid
-  shr $24, %ebx
-
   /* Save the BIST result */
   cvtsi2sd  %ebp, %xmm0
 
-  /* for normal part %ebx already contain cpu_init_detected from fallback call */
-
-  /* Save the cpu_init_detected */
-  cvtsi2sd  %ebx, %xmm1
-
   post_code(0xa1)
 
   AMD_ENABLE_STACK
@@ -109,36 +98,19 @@ cache_as_ram_setup:
   ljmp $0x18, $1f
 1:
 
-  .code64
-
-  call early_all_cores
-
-  /* Pass the cpu_init_detected */
-  cvtsd2si        %xmm1, %esi
-
-  /* Pass the BIST result */
-  cvtsd2si        %xmm0, %edi
-
-  call    cache_as_ram_main
-  .code32
-
-#else
+#endif
 
   call early_all_cores
 
   /* Restore the BIST result */
   cvtsd2si  %xmm0, %edx
 
-  /* Restore the  cpu_init_detected */
-  cvtsd2si  %xmm1, %ebx
-
   /* Must maintain 16-byte stack alignment here. */
   pushl $0x0
   pushl $0x0
-  pushl %ebx  /* init detected */
+  pushl $0x0
   pushl %edx  /* bist */
-  call  cache_as_ram_main
-#endif
+  call  romstage_main
 
   /* Should never see this postcode */
   post_code(0xaf)
@@ -170,6 +142,3 @@ disable_cache_as_ram:
   ret
 
 cache_as_ram_setup_out:
-#ifdef __x86_64__
-.code64
-#endif
diff --git a/src/cpu/amd/agesa/family12/romstage.c b/src/cpu/amd/agesa/family12/romstage.c
index 67108b9093..13b9f06359 100644
--- a/src/cpu/amd/agesa/family12/romstage.c
+++ b/src/cpu/amd/agesa/family12/romstage.c
@@ -2,6 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -13,26 +14,17 @@
  * GNU General Public License for more details.
  */
 
-#include <stdint.h>
-#include <string.h>
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <arch/io.h>
 #include <arch/stages.h>
-#include <device/pnp_def.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 <northbridge/amd/agesa/state_machine.h>
-#include <cpu/x86/bist.h>
-#include <superio/smsc/kbc1100/kbc1100.h>
-#include <cpu/x86/lapic.h>
+#include <northbridge/amd/agesa/agesa_helper.h>
+
 #include "sb_cimx.h"
 #include "SbPlatform.h"
-#include <arch/cpu.h>
 #include "platform_cfg.h"
 
 void asmlinkage early_all_cores(void)
@@ -40,36 +32,17 @@ void asmlinkage early_all_cores(void)
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
-
-	post_code(0x35);
+	gpioEarlyInit();
 
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-		gpioEarlyInit();
-		sb_poweron_init();
+	sb_poweron_init();
 
-		post_code(0x31);
-
-		board_BeforeAgesa(cb);
-
-		post_code(0x32);
-		post_code(0x33);
-		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);
+	board_BeforeAgesa(cb);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x36);
 	agesawrapper_amdinitreset();
 
diff --git a/src/cpu/amd/agesa/family14/romstage.c b/src/cpu/amd/agesa/family14/romstage.c
index 1178ebb54a..b8c9bd345c 100644
--- a/src/cpu/amd/agesa/family14/romstage.c
+++ b/src/cpu/amd/agesa/family14/romstage.c
@@ -2,6 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -13,30 +14,16 @@
  * GNU General Public License for more details.
  */
 
-#include <northbridge/amd/agesa/agesawrapper.h>
-#include <northbridge/amd/agesa/agesa_helper.h>
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <arch/acpi.h>
-#include <arch/cpu.h>
-#include <arch/io.h>
 #include <arch/stages.h>
-#include <cbmem.h>
-#include <console/console.h>
 #include <cpu/amd/agesa/s3_resume.h>
-#include <cpu/x86/lapic.h>
-#include <cpu/x86/bist.h>
-
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <commonlib/loglevel.h>
-#include <cpu/x86/mtrr.h>
-#include <cpu/x86/cache.h>
-#include <cpu/amd/mtrr.h>
+
+#include <console/console.h>
 #include <cpu/amd/car.h>
+
+#include <northbridge/amd/agesa/agesawrapper.h>
+#include <northbridge/amd/agesa/state_machine.h>
+#include <northbridge/amd/agesa/agesa_helper.h>
+
 #include <sb_cimx.h>
 
 void asmlinkage early_all_cores(void)
@@ -44,40 +31,22 @@ void asmlinkage early_all_cores(void)
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
-
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-		sb_Poweron_Init();
-
-		post_code(0x31);
-
-		board_BeforeAgesa(cb);
-
-		console_init();
-	}
+	sb_Poweron_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);
+	board_BeforeAgesa(cb);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x37);
 	agesawrapper_amdinitreset();
 
 	post_code(0x39);
 	agesawrapper_amdinitearly();
 
-	int s3resume = acpi_is_wakeup_s3();
-	if (!s3resume) {
-
+	if (!cb->s3resume) {
 		printk(BIOS_INFO, "Normal boot\n");
 
 		post_code(0x40);
@@ -107,5 +76,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	post_code(0x50);
 	copy_and_run();
+
+	/* Not reached */
 }
 
diff --git a/src/cpu/amd/agesa/family15/romstage.c b/src/cpu/amd/agesa/family15/romstage.c
index 02495b0dd7..1c2330839f 100644
--- a/src/cpu/amd/agesa/family15/romstage.c
+++ b/src/cpu/amd/agesa/family15/romstage.c
@@ -2,6 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,17 +16,16 @@
 
 #include <lib.h>
 #include <reset.h>
-#include <stdint.h>
-#include <arch/io.h>
-#include <arch/cpu.h>
-#include <console/console.h>
 #include <arch/stages.h>
-#include "cpu/x86/bist.h"
-#include "cpu/x86/lapic.h"
+#include <cpu/amd/agesa/s3_resume.h>
+
+#include <console/console.h>
 #include <cpu/amd/car.h>
+
 #include <northbridge/amd/agesa/agesawrapper.h>
 #include <northbridge/amd/agesa/agesa_helper.h>
 #include <northbridge/amd/agesa/state_machine.h>
+
 #include "northbridge/amd/agesa/family10/reset_test.h"
 #include <nb_cimx.h>
 #include <sb_cimx.h>
@@ -35,39 +35,26 @@ void asmlinkage early_all_cores(void)
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
+	/*
+	 * SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
+	 * Disable all Pcie Bridges to work around It.
+	 */
+	sr56x0_rd890_disable_pcie_bridge();
 
-	post_code(0x31);
+	nb_Poweron_Init();
 
-	/* Halt if there was a built in self test failure */
-	post_code(0x33);
-	report_bist_failure(bist);
+	sb_Poweron_Init();
 
 	board_BeforeAgesa(cb);
-	console_init();
-
-	val = cpuid_eax(1);
-	printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
-	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x37);
 	agesawrapper_amdinitreset();
 
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x38);
-		/*
-		 * SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
-		 * Disable all Pcie Bridges to work around It.
-		 */
-		sr56x0_rd890_disable_pcie_bridge();
-		post_code(0x39);
-		nb_Poweron_Init();
-		post_code(0x3A);
-		sb_Poweron_Init();
-	}
 	post_code(0x3B);
 	agesawrapper_amdinitearly();
 
@@ -97,4 +84,6 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	post_code(0x51);
 	copy_and_run();
+
+	/* Not reached */
 }
diff --git a/src/cpu/amd/agesa/family15rl/romstage.c b/src/cpu/amd/agesa/family15rl/romstage.c
index b6a4e514ab..25cd987252 100644
--- a/src/cpu/amd/agesa/family15rl/romstage.c
+++ b/src/cpu/amd/agesa/family15rl/romstage.c
@@ -2,6 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -13,61 +14,35 @@
  * GNU General Public License for more details.
  */
 
-#include <northbridge/amd/agesa/agesawrapper.h>
-#include <northbridge/amd/agesa/agesa_helper.h>
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <arch/acpi.h>
-#include <arch/cpu.h>
-#include <arch/io.h>
 #include <arch/stages.h>
-#include <cbmem.h>
-#include <console/console.h>
 #include <cpu/amd/agesa/s3_resume.h>
-#include <cpu/x86/bist.h>
-#include <cpu/x86/lapic.h>
+
+#include <console/console.h>
 #include <cpu/amd/car.h>
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <stdint.h>
-#include <string.h>
-#include <southbridge/amd/agesa/hudson/hudson.h>
+
+#include <northbridge/amd/agesa/agesawrapper.h>
+#include <northbridge/amd/agesa/state_machine.h>
+#include <northbridge/amd/agesa/agesa_helper.h>
 
 void asmlinkage early_all_cores(void)
 {
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
-
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-		board_BeforeAgesa(cb);
-
-		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);
+	board_BeforeAgesa(cb);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x37);
 	agesawrapper_amdinitreset();
 
 	post_code(0x39);
 	agesawrapper_amdinitearly();
 
-	int s3resume = acpi_is_wakeup_s3();
-	if (!s3resume) {
+	if (!cb->s3resume) {
 		post_code(0x40);
 		agesawrapper_amdinitpost();
 
@@ -90,5 +65,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	post_code(0x50);
 	copy_and_run();
+
+	/* Not reached */
 }
 
diff --git a/src/cpu/amd/agesa/family15tn/romstage.c b/src/cpu/amd/agesa/family15tn/romstage.c
index cc40b2393c..55bb4b1f23 100644
--- a/src/cpu/amd/agesa/family15tn/romstage.c
+++ b/src/cpu/amd/agesa/family15tn/romstage.c
@@ -3,6 +3,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,63 +15,36 @@
  * GNU General Public License for more details.
  */
 
-#include <northbridge/amd/agesa/agesawrapper.h>
-#include <northbridge/amd/agesa/agesa_helper.h>
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <arch/acpi.h>
-#include <arch/cpu.h>
-#include <arch/io.h>
 #include <arch/stages.h>
-#include <cbmem.h>
-#include <console/console.h>
 #include <cpu/amd/agesa/s3_resume.h>
-#include <cpu/x86/bist.h>
-#include <cpu/x86/lapic.h>
+
+#include <console/console.h>
 #include <cpu/amd/car.h>
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <stdint.h>
-#include <string.h>
-#include <southbridge/amd/agesa/hudson/hudson.h>
+
+#include <northbridge/amd/agesa/agesawrapper.h>
+#include <northbridge/amd/agesa/state_machine.h>
+#include <northbridge/amd/agesa/agesa_helper.h>
+
 
 void asmlinkage early_all_cores(void)
 {
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
-
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-
-		post_code(0x31);
-
-		board_BeforeAgesa(cb);
-
-		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);
+	board_BeforeAgesa(cb);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x37);
 	agesawrapper_amdinitreset();
 
 	post_code(0x39);
 	agesawrapper_amdinitearly();
 
-	int s3resume = acpi_is_wakeup_s3();
-	if (!s3resume) {
+	if (!cb->s3resume) {
 		post_code(0x40);
 		agesawrapper_amdinitpost();
 
@@ -93,4 +67,6 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	post_code(0x50);
 	copy_and_run();
+
+	/* Not reached */
 }
diff --git a/src/cpu/amd/agesa/family16kb/romstage.c b/src/cpu/amd/agesa/family16kb/romstage.c
index 26b0d79ce7..175ea54637 100644
--- a/src/cpu/amd/agesa/family16kb/romstage.c
+++ b/src/cpu/amd/agesa/family16kb/romstage.c
@@ -2,6 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017 Kyösti Mälkki
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -13,62 +14,35 @@
  * GNU General Public License for more details.
  */
 
-#include <northbridge/amd/agesa/agesawrapper.h>
-#include <northbridge/amd/agesa/agesa_helper.h>
-#include <northbridge/amd/agesa/state_machine.h>
-
-#include <arch/acpi.h>
-#include <arch/cpu.h>
-#include <arch/io.h>
 #include <arch/stages.h>
-#include <cbmem.h>
-#include <console/console.h>
 #include <cpu/amd/agesa/s3_resume.h>
-#include <cpu/x86/bist.h>
-#include <cpu/x86/lapic.h>
+
+#include <console/console.h>
 #include <cpu/amd/car.h>
-#include <device/pci_def.h>
-#include <device/pci_ids.h>
-#include <stdint.h>
-#include <string.h>
-#include <southbridge/amd/agesa/hudson/hudson.h>
+
+#include <northbridge/amd/agesa/agesawrapper.h>
+#include <northbridge/amd/agesa/state_machine.h>
+#include <northbridge/amd/agesa/agesa_helper.h>
 
 void asmlinkage early_all_cores(void)
 {
 	amd_initmmio();
 }
 
-void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+void platform_once(struct sysinfo *cb)
 {
-	struct sysinfo *cb = NULL;
-	u32 val;
-
-	if (!cpu_init_detectedx && boot_cpu()) {
-		post_code(0x30);
-
-		board_BeforeAgesa(cb);
-
-		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);
+	board_BeforeAgesa(cb);
+}
 
+void agesa_main(struct sysinfo *cb)
+{
 	post_code(0x37);
 	agesawrapper_amdinitreset();
 
 	post_code(0x39);
 	agesawrapper_amdinitearly();
 
-	int s3resume = acpi_is_wakeup_s3();
-	if (!s3resume) {
+	if (!cb->s3resume) {
 		post_code(0x40);
 		agesawrapper_amdinitpost();
 
@@ -92,5 +66,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	post_code(0x50);
 	copy_and_run();
+
+	/* Not reached */
 }
 
diff --git a/src/cpu/amd/agesa/romstage.c b/src/cpu/amd/agesa/romstage.c
new file mode 100644
index 0000000000..f77bab9c38
--- /dev/null
+++ b/src/cpu/amd/agesa/romstage.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Kyösti Mälkki
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/acpi.h>
+#include <arch/cpu.h>
+#include <cpu/amd/car.h>
+#include <cpu/x86/bist.h>
+#include <console/console.h>
+#include <smp/node.h>
+#include <string.h>
+#include <northbridge/amd/agesa/state_machine.h>
+
+static void fill_sysinfo(struct sysinfo *cb)
+{
+	memset(cb, 0, sizeof(*cb));
+	cb->s3resume = acpi_is_wakeup_s3();
+}
+
+void * asmlinkage romstage_main(unsigned long bist)
+{
+	struct sysinfo romstage_state;
+	struct sysinfo *cb = &romstage_state;
+	u8 initial_apic_id = (u8) (cpuid_ebx(1) >> 24);
+
+	fill_sysinfo(cb);
+
+	if ((initial_apic_id == 0) && boot_cpu()) {
+
+		platform_once(cb);
+
+		console_init();
+	}
+
+	printk(BIOS_DEBUG, "APIC %02d: CPU Family_Model = %08x\n",
+		initial_apic_id, cpuid_eax(1));
+
+	/* Halt if there was a built in self test failure */
+	report_bist_failure(bist);
+
+	agesa_main(cb);
+
+	/* Not reached */
+	return NULL;
+}
diff --git a/src/include/cpu/amd/car.h b/src/include/cpu/amd/car.h
index 7fd83f14ef..11fb8ae07b 100644
--- a/src/include/cpu/amd/car.h
+++ b/src/include/cpu/amd/car.h
@@ -18,4 +18,6 @@ void disable_cache_as_ram(void);
 
 void asmlinkage early_all_cores(void);
 
+void * asmlinkage romstage_main(unsigned long bist);
+
 #endif
diff --git a/src/northbridge/amd/agesa/state_machine.h b/src/northbridge/amd/agesa/state_machine.h
index f34fd0e522..3c78edb013 100644
--- a/src/northbridge/amd/agesa/state_machine.h
+++ b/src/northbridge/amd/agesa/state_machine.h
@@ -25,4 +25,7 @@ struct sysinfo
 
 void board_BeforeAgesa(struct sysinfo *cb);
 
+void platform_once(struct sysinfo *cb);
+void agesa_main(struct sysinfo *cb);
+
 #endif /* _STATE_MACHINE_H_ */