This patch changes C7 CAR code to be a single assembler file instead

of the ugly mixture it was before. It also enables CAR for all C7 boards

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5399 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

18 files changed, 148 insertions, 337 deletions

diff --git a/Makefile b/Makefile
index 1ed5b7e8a2..02cae70d78 100644
--- a/Makefile
+++ b/Makefile
@@ -274,8 +274,10 @@ CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 
 CBFS_COMPRESS_FLAG:=l
 CBFS_PAYLOAD_COMPRESS_FLAG:=
+CBFS_PAYLOAD_COMPRESS_NAME:=none
 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 CBFS_PAYLOAD_COMPRESS_FLAG:=l
+CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
 endif
 
 coreboot: prepare $(obj)/coreboot.rom
diff --git a/src/arch/i386/Makefile.inc b/src/arch/i386/Makefile.inc
index a403b9bab7..adc2d92aca 100644
--- a/src/arch/i386/Makefile.inc
+++ b/src/arch/i386/Makefile.inc
@@ -37,7 +37,7 @@ $(obj)/coreboot.rom: $(obj)/coreboot.pre $(obj)/coreboot_ram $(CBFSTOOL) $(call
 ifeq ($(CONFIG_PAYLOAD_NONE),y)
 	printf "    PAYLOAD    \e[1;31mnone (as specified by user)\e[0m\n"
 else
-	printf "    PAYLOAD    $(CONFIG_FALLBACK_PAYLOAD_FILE) $(CBFS_PAYLOAD_COMPRESS_FLAG)\n"
+	printf "    PAYLOAD    $(CONFIG_FALLBACK_PAYLOAD_FILE) (compression: $(CBFS_PAYLOAD_COMPRESS_NAME))\n"
 	$(CBFSTOOL) $@.tmp add-payload $(CONFIG_FALLBACK_PAYLOAD_FILE) $(CONFIG_CBFS_PREFIX)/payload $(CBFS_PAYLOAD_COMPRESS_FLAG)
 endif
 ifeq ($(CONFIG_VGA_BIOS),y)
@@ -165,11 +165,7 @@ endif
 ifeq ($(CONFIG_CPU_INTEL_SOCKET_MFCBGA479),y)
 crt0s += $(src)/cpu/x86/car/cache_as_ram.inc
 endif
-# should be CONFIG_CPU_VIA_C7, but bcom/winnetp680, jetway/j7f24, via/epia-cn, via/pc2500e don't use CAR yet
-ifeq ($(CONFIG_BOARD_VIA_VT8454C),y)
-crt0s += $(src)/cpu/via/car/cache_as_ram.inc
-endif
-ifeq ($(CONFIG_BOARD_VIA_EPIA_M700),y)
+ifeq ($(CONFIG_CPU_VIA_C7),y)
 crt0s += $(src)/cpu/via/car/cache_as_ram.inc
 endif
 # who else could use this?
@@ -208,7 +204,7 @@ endif
 ifeq ($(CONFIG_ROMCC),y)
 ROMCCFLAGS ?= -mcpu=p2 -O2
 
-$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(obj)/romcc $(OPTION_TABLE_H) $(obj)/build.h
+$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(obj)/romcc $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
 	printf "    ROMCC      romstage.inc\n"
 	$(ROMCC) -c -S $(ROMCCFLAGS) -D__PRE_RAM__ -I. $(INCLUDES) $< -o $@
 else
diff --git a/src/cpu/Kconfig b/src/cpu/Kconfig
index c63cf2b52d..1b72f6e5aa 100644
--- a/src/cpu/Kconfig
+++ b/src/cpu/Kconfig
@@ -5,7 +5,7 @@ source src/cpu/x86/Kconfig
 
 config USE_DCACHE_RAM
 	bool
-	default n
+	default !ROMCC
 
 config DCACHE_RAM_BASE
 	hex
diff --git a/src/cpu/via/car/cache_as_ram.inc b/src/cpu/via/car/cache_as_ram.inc
index ba0fadfec5..7eb85333ac 100644
--- a/src/cpu/via/car/cache_as_ram.inc
+++ b/src/cpu/via/car/cache_as_ram.inc
@@ -63,6 +63,20 @@ clear_fixed_var_mtrr:
 	wrmsr
 
 	jmp	clear_fixed_var_mtrr
+
+fixed_mtrr_msr:
+	.long	0x250, 0x258, 0x259
+	.long	0x268, 0x269, 0x26A
+	.long	0x26B, 0x26C, 0x26D
+	.long	0x26E, 0x26F
+
+var_mtrr_msr:
+	.long	0x200, 0x201, 0x202, 0x203
+	.long	0x204, 0x205, 0x206, 0x207
+	.long	0x208, 0x209, 0x20A, 0x20B
+	.long	0x20C, 0x20D, 0x20E, 0x20F
+	.long	0x000 /* NULL, end of table */
+
 clear_fixed_var_mtrr_out:
 	/* MTRRPhysBase */
 	movl	$0x200, %ecx
@@ -163,17 +177,113 @@ testok:	movb $0x40,%al
 	/* We need to set ebp ? No need */
 	movl	%esp, %ebp
 	pushl	%eax  /* bist */
-	call	stage1_main
-	/* We will not go back */
+	call	main
+
+	/* 
+	 * TODO: Backup stack in CACHE_AS_RAM into MMX and SSE and after we
+	 *       get STACK up, we restore that. It is only needed if we
+	 *       want to go back.
+	 */
+	
+	/* We don't need cache as ram for now on */
+	/* disable cache */
+	movl    %cr0, %eax
+	orl    $(0x1<<30),%eax
+	movl    %eax, %cr0
+
+
+	/* Set the default memory type and disable fixed and enable variable MTRRs */
+	movl    $0x2ff, %ecx
+	//movl    $MTRRdefType_MSR, %ecx
+	xorl    %edx, %edx
+
+	/* Enable Variable and Disable Fixed MTRRs */
+	movl    $0x00000800, %eax
+	wrmsr
+
+	/* enable caching for first 1M using variable mtrr */
+	movl    $0x200, %ecx
+	xorl    %edx, %edx
+	movl     $(0 | 6), %eax
+	//movl     $(0 | MTRR_TYPE_WRBACK), %eax
+	wrmsr
+ 
+	/* enable cache for 0-7ffff, 80000-9ffff, e0000-fffff;
+	 * If 1M cacheable, then when S3 resume, there is stange color on
+	 * screen for 2 sec. suppose problem of a0000-dfffff and cache.
+	 * And in x86_setup_fixed_mtrrs()(mtrr.c), 0-256M is set cacheable.
+	 */
+
+	movl    $0x201, %ecx
+	movl    $0x0000000f, %edx /* AMD 40 bit 0xff*/
+ 	movl    $((~(( 0 + 0x80000) - 1)) | 0x800), %eax
+	wrmsr
+	
+	movl    $0x202, %ecx
+	xorl    %edx, %edx
+	movl     $(0x80000 | 6), %eax
+	orl     $(0 | 6), %eax
+	wrmsr
+
+	movl    $0x203, %ecx
+	movl    $0x0000000f, %edx /* AMD 40 bit 0xff*/
+ 	movl    $((~(( 0 + 0x20000) - 1)) | 0x800), %eax
+	wrmsr
+	
+	movl    $0x204, %ecx
+	xorl    %edx, %edx
+	movl     $(0xc0000 | 6), %eax
+	orl     $(0 | 6), %eax
+	wrmsr
+
+	movl    $0x205, %ecx
+	movl    $0x0000000f, %edx /* AMD 40 bit 0xff*/
+	movl    $((~(( 0 + 0x40000) - 1)) | 0x800), %eax
+	wrmsr        
+	
+	/* cache CONFIG_XIP_ROM_BASE-SIZE to speedup coreboot code */
+	movl    $0x206, %ecx
+	xorl    %edx, %edx
+	movl     $CONFIG_XIP_ROM_BASE,%eax
+	orl     $(0 | 6), %eax
+	wrmsr
+
+	movl    $0x207, %ecx
+	xorl    %edx, %edx
+	movl     $CONFIG_XIP_ROM_SIZE,%eax
+	decl	%eax
+	notl	%eax
+	orl     $(0 | 0x800), %eax
+	wrmsr
+
+	/* enable cache */
+	movl    %cr0, %eax
+	andl    $0x9fffffff,%eax
+	movl    %eax, %cr0
+	invd
+
+	/* clear boot_complete flag */
+	xorl	%ebp, %ebp
+__main:
+	post_code(0x11)
+	cld			/* clear direction flag */
+	
+	movl	%ebp, %esi
+
+	/* FIXME: These values might have to change for suspend-to-ram.
+	 * the 0x00400000 was chosen as this is a place in memory that
+	 * should exist in all contemporary configurations (ie. large
+	 * enough RAM), but doesn't collide with anything coreboot does.
+	 * Other than that, it's arbitrary.
+	 */
+
+	movl	$0x4000000, %esp
+	movl	%esp, %ebp
+	pushl %esi
+	call copy_and_run
+
+.Lhlt:	
+	post_code(0xee)
+	hlt
+	jmp	.Lhlt
 
-fixed_mtrr_msr:
-	.long	0x250, 0x258, 0x259
-	.long	0x268, 0x269, 0x26A
-	.long	0x26B, 0x26C, 0x26D
-	.long	0x26E, 0x26F
-var_mtrr_msr:
-	.long	0x200, 0x201, 0x202, 0x203
-	.long	0x204, 0x205, 0x206, 0x207
-	.long	0x208, 0x209, 0x20A, 0x20B
-	.long	0x20C, 0x20D, 0x20E, 0x20F
-	.long	0x000 /* NULL, end of table */
diff --git a/src/cpu/via/car/cache_as_ram.lds b/src/cpu/via/car/cache_as_ram.lds
deleted file mode 100644
index fc9b11291e..0000000000
--- a/src/cpu/via/car/cache_as_ram.lds
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008 Carl-Daniel Hailfinger
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-SECTIONS {
-	.init . : {
-		_init = .;
-		*(.init.text);
-		*(.init.rodata);
-		*(.init.rodata.*);
-		. = ALIGN(16);
-		_einit = .;
-	}
-}
diff --git a/src/cpu/via/car/cache_as_ram_post.c b/src/cpu/via/car/cache_as_ram_post.c
deleted file mode 100644
index 3c5c5e486b..0000000000
--- a/src/cpu/via/car/cache_as_ram_post.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008 VIA Technologies, Inc.
- * (Written by Jason Zhao <jasonzhao@viatech.com.cn> for VIA)
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- */
- 
-        __asm__ volatile (
-	/* 
-	FIXME : backup stack in CACHE_AS_RAM into mmx and sse and after we get STACK up, we restore that.
-		It is only needed if we want to go back
-	*/
-	
-        /* We don't need cache as ram for now on */
-        /* disable cache */
-        "movl    %cr0, %eax\n\t"
-        "orl    $(0x1<<30),%eax\n\t"
-        "movl    %eax, %cr0\n\t"
-
-
-        /* Set the default memory type and disable fixed and enable variable MTRRs */
-        "movl    $0x2ff, %ecx\n\t"
-	//"movl    $MTRRdefType_MSR, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        /* Enable Variable and Disable Fixed MTRRs */
-        "movl    $0x00000800, %eax\n\t"
-        "wrmsr\n\t"
-
-        /* enable caching for first 1M using variable mtrr */
-        "movl    $0x200, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        "movl     $(0 | 6), %eax\n\t"
-	//"movl     $(0 | MTRR_TYPE_WRBACK), %eax\n\t"
-        "wrmsr\n\t"
- 
-/*Jasonzhao@viatech.com.cn, I enable cache for 0-7ffff, 80000-9ffff, e0000-fffff;
-if 1M cacheable,then when S3 resume, there is stange color on screen for 2 sec. 
-suppose problem of a0000-dfffff and cache .
-and in x86_setup_fixed_mtrrs()(mtrr.c), 0-256M is set cacheable.*/
-
-        "movl    $0x201, %ecx\n\t"
-        "movl    $0x0000000f, %edx\n\t" /* AMD 40 bit 0xff*/
- 	 			"movl    $((~(( 0 + 0x80000) - 1)) | 0x800), %eax\n\t"
-        "wrmsr\n\t"
-        
-        "movl    $0x202, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        "movl     $(0x80000 | 6), %eax\n\t"
-        "orl     $(0 | 6), %eax\n\t"
-        "wrmsr\n\t"
-
-        "movl    $0x203, %ecx\n\t"
-        "movl    $0x0000000f, %edx\n\t" /* AMD 40 bit 0xff*/
- 	 			"movl    $((~(( 0 + 0x20000) - 1)) | 0x800), %eax\n\t"
-        "wrmsr\n\t"
-        
-        "movl    $0x204, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        "movl     $(0xc0000 | 6), %eax\n\t"
-        "orl     $(0 | 6), %eax\n\t"
-        "wrmsr\n\t"
-
-        "movl    $0x205, %ecx\n\t"
-        "movl    $0x0000000f, %edx\n\t" /* AMD 40 bit 0xff*/
- 	 			"movl    $((~(( 0 + 0x40000) - 1)) | 0x800), %eax\n\t"
-        "wrmsr\n\t"        
-        
-	/*jasonzhao@viatech.com.cn add this 2008-11-27, cache CONFIG_XIP_ROM_BASE-SIZE to speedup the coreboot code*/
-	 			"movl    $0x206, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        "movl     $CONFIG_XIP_ROM_BASE,%eax\n\t"
-        "orl     $(0 | 6), %eax\n\t"
-        "wrmsr\n\t"
-
-	 			"movl    $0x207, %ecx\n\t"
-        "xorl    %edx, %edx\n\t"
-        "movl     $CONFIG_XIP_ROM_SIZE,%eax\n\t"
-        "decl	%eax\n\t"
-        "notl	%eax\n\t"
-        "orl     $(0 | 0x800), %eax\n\t"
-        "wrmsr\n\t"
-
-        /* enable cache */
-        "movl    %cr0, %eax\n\t"
-        "andl    $0x9fffffff,%eax\n\t"
-        "movl    %eax, %cr0\n\t"
-	 			"invd\n\t"
-
-	/* FIXME: These values might have to change for suspend-to-ram.
-	   the 0x00400000 was chosen as this is a place in memory that
-	   should exist in all contemporary configurations (ie. large
-	   enough RAM), but doesn't collide with anything coreboot does.
-	   Other than that, it's arbitrary. */
-	"movl	$0x00400000,%esp\n\t"
-	"movl	%esp,%ebp\n\t"
-        );
diff --git a/src/cpu/via/model_c7/Kconfig b/src/cpu/via/model_c7/Kconfig
index 530898cf6e..7790b95ee8 100644
--- a/src/cpu/via/model_c7/Kconfig
+++ b/src/cpu/via/model_c7/Kconfig
@@ -3,3 +3,16 @@ config CPU_VIA_C7
 	select UDELAY_TSC
 	select MMX
 	select SSE2
+	select USE_PRINTK_IN_CAR
+
+config DCACHE_RAM_BASE
+	hex
+	default 0xffef0000
+	depends on CPU_VIA_C7
+
+config DCACHE_RAM_SIZE
+	hex
+	default 0x8000
+	depends on CPU_VIA_C7
+
+
diff --git a/src/mainboard/bcom/winnetp680/romstage.c b/src/mainboard/bcom/winnetp680/romstage.c
index f1511574d4..4bd7a45844 100644
--- a/src/mainboard/bcom/winnetp680/romstage.c
+++ b/src/mainboard/bcom/winnetp680/romstage.c
@@ -87,7 +87,7 @@ static const struct mem_controller ctrl = {
 	.channel0 = { 0x50 },
 };
 
-static void main(unsigned long bist)
+void main(unsigned long bist)
 {
 	unsigned long x;
 	device_t dev;
diff --git a/src/mainboard/jetway/j7f24/Kconfig b/src/mainboard/jetway/j7f24/Kconfig
index 6890f1a45e..e1afc27e8a 100644
--- a/src/mainboard/jetway/j7f24/Kconfig
+++ b/src/mainboard/jetway/j7f24/Kconfig
@@ -14,16 +14,6 @@ config MAINBOARD_DIR
 	default jetway/j7f24
 	depends on BOARD_JETWAY_J7F24
 
-#config DCACHE_RAM_BASE
-#	hex
-#	default 0xffef0000
-#	depends on BOARD_JETWAY_J7F24
-#
-#config DCACHE_RAM_SIZE
-#	hex
-#	default 0x8000
-#	depends on BOARD_JETWAY_J7F24
-
 config MAINBOARD_PART_NUMBER
 	string
 	default "J7f24"
diff --git a/src/mainboard/jetway/j7f24/romstage.c b/src/mainboard/jetway/j7f24/romstage.c
index 67eda8e8b5..3903684945 100644
--- a/src/mainboard/jetway/j7f24/romstage.c
+++ b/src/mainboard/jetway/j7f24/romstage.c
@@ -87,7 +87,7 @@ static const struct mem_controller ctrl = {
 	.channel0 = { 0x50 },
 };
 
-static void main(unsigned long bist)
+void main(unsigned long bist)
 {
 	/* Enable multifunction for northbridge. */
 	pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
diff --git a/src/mainboard/via/epia-cn/Kconfig b/src/mainboard/via/epia-cn/Kconfig
index be824330d9..4e50133e5e 100644
--- a/src/mainboard/via/epia-cn/Kconfig
+++ b/src/mainboard/via/epia-cn/Kconfig
@@ -5,7 +5,6 @@ config BOARD_VIA_EPIA_CN
 	select NORTHBRIDGE_VIA_CN700
 	select SOUTHBRIDGE_VIA_VT8237R
 	select SUPERIO_VIA_VT1211
-	select ROMCC
 	select HAVE_PIRQ_TABLE
 	select BOARD_ROMSIZE_KB_512
 
@@ -14,16 +13,6 @@ config MAINBOARD_DIR
 	default via/epia-cn
 	depends on BOARD_VIA_EPIA_CN
 
-#config DCACHE_RAM_BASE
-#	hex
-#	default 0xffef0000
-#	depends on BOARD_VIA_EPIA_CN
-#
-#config DCACHE_RAM_SIZE
-#	hex
-#	default 0x8000
-#	depends on BOARD_VIA_EPIA_CN
-
 config MAINBOARD_PART_NUMBER
 	string
 	default "EPIA-CN"
diff --git a/src/mainboard/via/epia-cn/romstage.c b/src/mainboard/via/epia-cn/romstage.c
index c68c753dad..5fbf84337e 100644
--- a/src/mainboard/via/epia-cn/romstage.c
+++ b/src/mainboard/via/epia-cn/romstage.c
@@ -86,7 +86,7 @@ static const struct mem_controller ctrl = {
 	.channel0 = { 0x50 },
 };
 
-static void main(unsigned long bist)
+void main(unsigned long bist)
 {
 	unsigned long x;
 	device_t dev;
diff --git a/src/mainboard/via/epia-m700/Kconfig b/src/mainboard/via/epia-m700/Kconfig
index fe3b799eb3..91bb11ccc5 100644
--- a/src/mainboard/via/epia-m700/Kconfig
+++ b/src/mainboard/via/epia-m700/Kconfig
@@ -7,23 +7,12 @@ config BOARD_VIA_EPIA_M700
 	select BOARD_HAS_FADT
 	select HAVE_ACPI_TABLES
 	select BOARD_ROMSIZE_KB_512
-	select USE_PRINTK_IN_CAR
 
 config MAINBOARD_DIR
 	string
 	default via/epia-m700
 	depends on BOARD_VIA_EPIA_M700
 
-config DCACHE_RAM_BASE
-	hex
-	default 0xffef0000
-	depends on BOARD_VIA_EPIA_M700
-
-config DCACHE_RAM_SIZE
-	hex
-	default 0x8000
-	depends on BOARD_VIA_EPIA_M700
-
 config MAINBOARD_PART_NUMBER
 	string
 	default "EPIA-M700"
diff --git a/src/mainboard/via/epia-m700/romstage.c b/src/mainboard/via/epia-m700/romstage.c
index d10e5d16cf..6f8a1c09da 100644
--- a/src/mainboard/via/epia-m700/romstage.c
+++ b/src/mainboard/via/epia-m700/romstage.c
@@ -381,7 +381,7 @@ void EmbedComInit(void)
 }
 
 /* cache_as_ram.inc jumps to here. */
-void stage1_main(unsigned long bist)
+void main(unsigned long bist)
 {
 	unsigned cpu_reset = 0;
 	u16 boot_mode;
@@ -686,108 +686,5 @@ void stage1_main(unsigned long bist)
 
 #endif
 
-/*
- * The following code is copied from tyan\s2735\romstage.c.
- * Only the code around CLEAR_FIRST_1M_RAM is changed. Removed all the code
- * around CLEAR_FIRST_1M_RAM and #include "cpu/x86/car/cache_as_ram_post.c".
- * The CLEAR_FIRST_1M_RAM seems to make cpu/x86/car/cache_as_ram_post.c stop
- * at somewhere, and cpu/x86/car/cache_as_ram_post.c do not cache my
- * $CONFIG_XIP_ROM_BASE+SIZE area.
- *
- * Use #include "cpu/via/car/cache_as_ram_post.c". This version post.c have
- * some diff with x86-version.
- */
-#if 1
-	{
-		/*
-		 * Check value of esp to verify if we have enough ROM for
-		 * stack in Cache as RAM.
-		 */
-		unsigned v_esp;
-		__asm__ volatile ("movl %%esp, %0\n\t":"=a" (v_esp));
-#if CONFIG_USE_PRINTK_IN_CAR
-		printk(BIOS_DEBUG, "v_esp=%08x\n", v_esp);
-#else
-		print_debug("v_esp=");
-		print_debug_hex32(v_esp);
-		print_debug("\n");
-#endif
-	}
-#endif
-
-#if 1
-cpu_reset_x:
-
-	/* It seems that cpu_reset is not used before this, so I just reset
-	 * it, (this is because the s3 resume, setting in MTRR and copy data
-	 * may destroy stack.
-	 */
-	cpu_reset = 0;
-
-#if CONFIG_USE_PRINTK_IN_CAR
-	printk(BIOS_DEBUG, "cpu_reset = %08x\n", cpu_reset);
-#else
-	print_debug("cpu_reset = ");
-	print_debug_hex32(cpu_reset);
-	print_debug("\n");
-#endif
-
-	if (cpu_reset == 0)
-		print_debug("Clearing initial memory region: ");
-	print_debug("No cache as ram now - ");
-
-	/* Store cpu_reset to ebx. */
-	__asm__ volatile ("movl %0, %%ebx\n\t"::"a" (cpu_reset));
-
-	/*
-	 * Cancel these lines, CLEAR_FIRST_1M_RAM cause the
-	 * cpu/x86/car/cache_as_ram_post.c stop at somewhere.
-	 */
-#if 0
-	if (cpu_reset == 0) {
-#define CLEAR_FIRST_1M_RAM 1
-#include "cpu/via/car/cache_as_ram_post.c"
-	} else {
-#undef CLEAR_FIRST_1M_RAM 
-#include "cpu/via/car/cache_as_ram_post.c"
-	}
-#endif
-
-#include "cpu/via/car/cache_as_ram_post.c"
-/* #include "cpu/x86/car/cache_as_ram_post.c" */
-	__asm__ volatile (
-		/* Set new esp *//* before CONFIG_RAMBASE */
-		"subl %0, %%ebp\n\t"
-		"subl %0, %%esp\n\t"::
-		"a" ((CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE) - CONFIG_RAMBASE)
-	);
-
-	{
-		unsigned new_cpu_reset;
-
-		/* Get back cpu_reset from ebx. */
-		__asm__ volatile ("movl %%ebx, %0\n\t":"=a" (new_cpu_reset));
-
-		/* We can't go back anymore, we lost old stack data in CAR. */
-		if (new_cpu_reset == 0)
-			print_debug("Use Ram as Stack now - done\n");
-		else
-			print_debug("Use Ram as Stack now - \n");
-
-#if CONFIG_USE_PRINTK_IN_CAR
-		printk(BIOS_DEBUG, "new_cpu_reset = %08x\n", new_cpu_reset);
-#else
-		print_debug("new_cpu_reset = ");
-		print_debug_hex32(new_cpu_reset);
-		print_debug("\n");
-#endif
-
-		/* Copy and execute coreboot_ram. */
-		copy_and_run(new_cpu_reset);
-		/* We will not return. */
-	}
-#endif
-
-	print_debug("should not be here -\n");
 }
 
diff --git a/src/mainboard/via/pc2500e/Kconfig b/src/mainboard/via/pc2500e/Kconfig
index 90afe97bf1..a23ec454cd 100644
--- a/src/mainboard/via/pc2500e/Kconfig
+++ b/src/mainboard/via/pc2500e/Kconfig
@@ -5,7 +5,6 @@ config BOARD_VIA_PC2500E
 	select NORTHBRIDGE_VIA_CN700
 	select SOUTHBRIDGE_VIA_VT8237R
 	select SUPERIO_ITE_IT8716F
-	select ROMCC
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
 	select SMP
@@ -22,16 +21,6 @@ config MAINBOARD_PART_NUMBER
 	default "pc2500e"
 	depends on BOARD_VIA_PC2500E
 
-config DCACHE_RAM_BASE
-	hex
-	default 0xc0000
-	depends on BOARD_VIA_PC2500E
-
-config DCACHE_RAM_SIZE
-	hex
-	default 0x1000
-	depends on BOARD_VIA_PC2500E
-
 config RAMBASE
 	hex
 	default 0x4000
diff --git a/src/mainboard/via/pc2500e/romstage.c b/src/mainboard/via/pc2500e/romstage.c
index 71ad25908a..c0b34ab153 100644
--- a/src/mainboard/via/pc2500e/romstage.c
+++ b/src/mainboard/via/pc2500e/romstage.c
@@ -58,7 +58,7 @@ static const struct mem_controller ctrl = {
 	.channel0 = { 0x50 }, /* TODO: CN700 currently only supports 1 DIMM. */
 };
 
-static void main(unsigned long bist)
+void main(unsigned long bist)
 {
 	/* Enable multifunction for northbridge. */
 	pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
diff --git a/src/mainboard/via/vt8454c/Kconfig b/src/mainboard/via/vt8454c/Kconfig
index eec8195fb1..f575e8098f 100644
--- a/src/mainboard/via/vt8454c/Kconfig
+++ b/src/mainboard/via/vt8454c/Kconfig
@@ -8,7 +8,6 @@ config BOARD_VIA_VT8454C
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
 #	select MMCONF_SUPPORT
-	select USE_PRINTK_IN_CAR
 	select HAVE_HARD_RESET
 	select HAVE_ACPI_TABLES
 	select BOARD_ROMSIZE_KB_512
@@ -19,16 +18,6 @@ config MAINBOARD_DIR
 	default via/vt8454c
 	depends on BOARD_VIA_VT8454C
 
-config DCACHE_RAM_BASE
-	hex
-	default 0xffef0000
-	depends on BOARD_VIA_VT8454C
-
-config DCACHE_RAM_SIZE
-	hex
-	default 0x8000
-	depends on BOARD_VIA_VT8454C
-
 config MAINBOARD_PART_NUMBER
 	string
 	default "VT8454c"
diff --git a/src/mainboard/via/vt8454c/romstage.c b/src/mainboard/via/vt8454c/romstage.c
index f7815bb305..dea85bc234 100644
--- a/src/mainboard/via/vt8454c/romstage.c
+++ b/src/mainboard/via/vt8454c/romstage.c
@@ -32,8 +32,6 @@
 #include "northbridge/via/cx700/raminit.h"
 #include "cpu/x86/bist.h"
 
-#define DEACTIVATE_CAR 1
-#define DEACTIVATE_CAR_FILE "cpu/via/car/cache_as_ram_post.c"
 
 #include "pc80/udelay_io.c"
 #include "lib/delay.c"
@@ -89,7 +87,7 @@ static void enable_shadow_ram(const struct mem_controller *ctrl)
 	pci_write_config8(PCI_DEV(0, 0, 3), 0x83, shadowreg);
 }
 
-static void main(unsigned long bist)
+void main(unsigned long bist)
 {
 	/* Set statically so it should work with cx700 as well */
 	static const struct mem_controller cx700[] = {
@@ -115,17 +113,5 @@ static void main(unsigned long bist)
 	sdram_set_registers(cx700);
 	enable_shadow_ram(cx700);
 	sdram_enable(cx700);
-
-#ifdef DEACTIVATE_CAR
-	print_debug("Deactivating CAR");
-#include DEACTIVATE_CAR_FILE
-	print_debug(" - Done.\n");
-#endif
-	copy_and_run(0);
-}
-
-void stage1_main(unsigned long bist)
-{
-	main(bist);
 }