Merge branch 'next' of ../next

* 'next' of ../next:
  mkenvimage: Add version info switch (-V)
  mkenvimage: Fix getopt() error handling
  mkenvimage: Fix some typos
  phy: add Micrel KS8721BL phy definition
  net: introduce per device index
  mvgbe: remove setting of ethaddr within the driver
  x86: Add support for specifying an initrd with the zboot command
  x86: Refactor the zboot innards so they can be reused with a vboot image
  x86: Add infrastructure to extract an e820 table from the coreboot tables
  x86: Add support for booting Linux using the 32 bit boot protocol
  x86: Clean up the x86 zimage code in preparation to extend it
  x86: Import code from coreboot's libpayload to parse the coreboot table
  x86: Initial commit for running as a coreboot payload
  CHECKPATCH: ./board/esd/hh405/logo_320_240_8bpp.c
  CHECKPATCH: ./board/esd/hh405/logo_1024_768_8bpp.c
  CHECKPATCH: ./board/esd/hh405/logo_320_240_4bpp.c
  CHECKPATCH: ./board/esd/hh405/logo_640_480_24bpp.c
  CHECKPATCH: ./board/esd/apc405/logo_640_480_24bpp.c
  CHECKPATCH: ./board/esd/voh405/logo_320_240_4bpp.c
  CHECKPATCH: ./board/esd/voh405/logo_640_480_24bpp.c
  CHECKPATCH: ./board/esd/hh405/fpgadata.c
  CHECKPATCH: ./board/esd/pci405/fpgadata.c
  CHECKPATCH: ./board/esd/tasreg/fpgadata.c
  CHECKPATCH: ./board/esd/apc405/fpgadata.c
  CHECKPATCH: ./board/esd/voh405/fpgadata.c
  CHECKPATCH: ./board/esd/ash405/fpgadata.c
  CHECKPATCH: ./board/esd/dasa_sim/fpgadata.c
  CHECKPATCH: ./board/esd/ar405/fpgadata_xl30.c
  CHECKPATCH: ./board/esd/ar405/fpgadata.c
  CHECKPATCH: ./board/esd/plu405/fpgadata.c
  CHECKPATCH: ./board/esd/wuh405/fpgadata.c
  CHECKPATCH: ./board/esd/cpci405/fpgadata_cpci405.c
  CHECKPATCH: ./board/esd/cpci405/fpgadata_cpci405ab.c
  CHECKPATCH: ./board/esd/cpci405/fpgadata_cpci4052.c
  CHECKPATCH: ./board/esd/canbt/fpgadata.c
  CHECKPATCH: ./board/esd/du405/fpgadata.c
  CHECKPATCH: ./board/esd/cpciiser4/fpgadata.c
  CHECKPATCH: ./board/dave/PPChameleonEVB/fpgadata.c
  avr32:mmu.c: fix printf() length modifier
  fat.c: fix printf() length modifier
  cmd_sf.c: fix printf() length modifier
  Make printf and vprintf safe from buffer overruns
  vsprintf: Move function documentation into header file
  Add safe vsnprintf and snprintf library functions
  Move vsprintf functions into their own header

Conflicts:
	tools/mkenvimage.c

Signed-off-by: Wolfgang Denk <wd@denx.de>

14 files changed, 1011 insertions, 128 deletions

diff --git a/arch/avr32/cpu/at32ap700x/mmu.c b/arch/avr32/cpu/at32ap700x/mmu.c
index c3a1b93..0e28b21 100644
--- a/arch/avr32/cpu/at32ap700x/mmu.c
+++ b/arch/avr32/cpu/at32ap700x/mmu.c
@@ -22,7 +22,7 @@ void mmu_init_r(unsigned long dest_addr)
 	 */
 	vmr_table_addr = (uintptr_t)&mmu_vmr_table;
 	sysreg_write(PTBR, vmr_table_addr);
-	printf("VMR table @ 0x%08x\n", vmr_table_addr);
+	printf("VMR table @ 0x%08lx\n", vmr_table_addr);
 
 	/* Enable paging */
 	sysreg_write(MMUCR, SYSREG_BF(DRP, 1) | SYSREG_BF(DLA, 1)
diff --git a/arch/x86/cpu/coreboot/Makefile b/arch/x86/cpu/coreboot/Makefile
new file mode 100644
index 0000000..13f5f8a
--- /dev/null
+++ b/arch/x86/cpu/coreboot/Makefile
@@ -0,0 +1,58 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# (C) Copyright 2008
+# Graeme Russ, graeme.russ@gmail.com.
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2002
+# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	:= $(obj)lib$(SOC).o
+
+COBJS-$(CONFIG_SYS_COREBOOT) += tables.o
+COBJS-$(CONFIG_SYS_COREBOOT) += ipchecksum.o
+COBJS-$(CONFIG_SYS_COREBOOT) += sdram.o
+COBJS-$(CONFIG_SYS_COREBOOT) += sysinfo.o
+
+SOBJS-$(CONFIG_SYS_COREBOOT) += coreboot_car.o
+
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/x86/cpu/coreboot/asm-offsets.c b/arch/x86/cpu/coreboot/asm-offsets.c
new file mode 100644
index 0000000..97937da
--- /dev/null
+++ b/arch/x86/cpu/coreboot/asm-offsets.c
@@ -0,0 +1,25 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <linux/kbuild.h>
+
+int main(void)
+{
+	DEFINE(GENERATED_GD_RELOC_OFF, offsetof(gd_t, reloc_off));
+	return 0;
+}
diff --git a/arch/x86/cpu/coreboot/coreboot_car.S b/arch/x86/cpu/coreboot/coreboot_car.S
new file mode 100644
index 0000000..3cc2575
--- /dev/null
+++ b/arch/x86/cpu/coreboot/coreboot_car.S
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010-2011
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+.section .text
+
+.globl car_init
+car_init:
+	jmp	car_init_ret
diff --git a/arch/x86/cpu/coreboot/ipchecksum.c b/arch/x86/cpu/coreboot/ipchecksum.c
new file mode 100644
index 0000000..57733d8
--- /dev/null
+++ b/arch/x86/cpu/coreboot/ipchecksum.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * It has originally been taken from the FreeBSD project.
+ *
+ * Copyright (c) 2001 Charles Mott <cm@linktel.net>
+ * Copyright (c) 2008 coresystems GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <compiler.h>
+#include <asm/arch-coreboot/ipchecksum.h>
+
+unsigned short ipchksum(const void *vptr, unsigned long nbytes)
+{
+	int sum, oddbyte;
+	const unsigned short *ptr = vptr;
+
+	sum = 0;
+	while (nbytes > 1) {
+		sum += *ptr++;
+		nbytes -= 2;
+	}
+	if (nbytes == 1) {
+		oddbyte = 0;
+		((u8 *)&oddbyte)[0] = *(u8 *) ptr;
+		((u8 *)&oddbyte)[1] = 0;
+		sum += oddbyte;
+	}
+	sum = (sum >> 16) + (sum & 0xffff);
+	sum += (sum >> 16);
+	return ~sum;
+}
diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c
new file mode 100644
index 0000000..f8fdac6
--- /dev/null
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010,2011
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <asm/e820.h>
+#include <asm/u-boot-x86.h>
+#include <asm/global_data.h>
+#include <asm/arch-coreboot/sysinfo.h>
+#include <asm/arch-coreboot/tables.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned install_e820_map(unsigned max_entries, struct e820entry *entries)
+{
+	int i;
+
+	unsigned num_entries = min(lib_sysinfo.n_memranges, max_entries);
+	if (num_entries < lib_sysinfo.n_memranges) {
+		printf("Warning: Limiting e820 map to %d entries.\n",
+			num_entries);
+	}
+	for (i = 0; i < num_entries; i++) {
+		struct memrange *memrange = &lib_sysinfo.memrange[i];
+
+		entries[i].addr = memrange->base;
+		entries[i].size = memrange->size;
+		entries[i].type = memrange->type;
+	}
+	return num_entries;
+}
+
+int dram_init_f(void)
+{
+	int i;
+	phys_size_t ram_size = 0;
+
+	for (i = 0; i < lib_sysinfo.n_memranges; i++) {
+		struct memrange *memrange = &lib_sysinfo.memrange[i];
+		unsigned long long end = memrange->base + memrange->size;
+
+		if (memrange->type == CB_MEM_RAM && end > ram_size)
+			ram_size = end;
+	}
+	gd->ram_size = ram_size;
+	if (ram_size == 0)
+		return -1;
+	return 0;
+}
+
+int dram_init(void)
+{
+	return 0;
+}
diff --git a/arch/x86/cpu/coreboot/sysinfo.c b/arch/x86/cpu/coreboot/sysinfo.c
new file mode 100644
index 0000000..9b3e660
--- /dev/null
+++ b/arch/x86/cpu/coreboot/sysinfo.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <asm/arch-coreboot/sysinfo.h>
+
+/*
+ * This needs to be in the .data section so that it's copied over during
+ * relocation. By default it's put in the .bss section which is simply filled
+ * with zeroes when transitioning from "ROM", which is really RAM, to other
+ * RAM.
+ */
+struct sysinfo_t lib_sysinfo __attribute__((section(".data")));
diff --git a/arch/x86/cpu/coreboot/tables.c b/arch/x86/cpu/coreboot/tables.c
new file mode 100644
index 0000000..0e3451b
--- /dev/null
+++ b/arch/x86/cpu/coreboot/tables.c
@@ -0,0 +1,183 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <asm/arch-coreboot/ipchecksum.h>
+#include <asm/arch-coreboot/sysinfo.h>
+#include <asm/arch-coreboot/tables.h>
+
+/*
+ * Some of this is x86 specific, and the rest of it is generic. Right now,
+ * since we only support x86, we'll avoid trying to make lots of infrastructure
+ * we don't need. If in the future, we want to use coreboot on some other
+ * architecture, then take out the generic parsing code and move it elsewhere.
+ */
+
+/* === Parsing code === */
+/* This is the generic parsing code. */
+
+static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
+{
+	struct cb_memory *mem = (struct cb_memory *)ptr;
+	int count = MEM_RANGE_COUNT(mem);
+	int i;
+
+	if (count > SYSINFO_MAX_MEM_RANGES)
+		count = SYSINFO_MAX_MEM_RANGES;
+
+	info->n_memranges = 0;
+
+	for (i = 0; i < count; i++) {
+		struct cb_memory_range *range =
+		    (struct cb_memory_range *)MEM_RANGE_PTR(mem, i);
+
+		info->memrange[info->n_memranges].base =
+		    UNPACK_CB64(range->start);
+
+		info->memrange[info->n_memranges].size =
+		    UNPACK_CB64(range->size);
+
+		info->memrange[info->n_memranges].type = range->type;
+
+		info->n_memranges++;
+	}
+}
+
+static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
+{
+	struct cb_serial *ser = (struct cb_serial *)ptr;
+	if (ser->type != CB_SERIAL_TYPE_IO_MAPPED)
+		return;
+	info->ser_ioport = ser->baseaddr;
+}
+
+static void cb_parse_optiontable(unsigned char *ptr, struct sysinfo_t *info)
+{
+	info->option_table = (struct cb_cmos_option_table *)ptr;
+}
+
+static void cb_parse_checksum(unsigned char *ptr, struct sysinfo_t *info)
+{
+	struct cb_cmos_checksum *cmos_cksum = (struct cb_cmos_checksum *)ptr;
+	info->cmos_range_start = cmos_cksum->range_start;
+	info->cmos_range_end = cmos_cksum->range_end;
+	info->cmos_checksum_location = cmos_cksum->location;
+}
+
+static void cb_parse_framebuffer(unsigned char *ptr, struct sysinfo_t *info)
+{
+	info->framebuffer = (struct cb_framebuffer *)ptr;
+}
+
+static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
+{
+	struct cb_header *header;
+	unsigned char *ptr = (unsigned char *)addr;
+	int i;
+
+	for (i = 0; i < len; i += 16, ptr += 16) {
+		header = (struct cb_header *)ptr;
+		if (!strncmp((const char *)header->signature, "LBIO", 4))
+			break;
+	}
+
+	/* We walked the entire space and didn't find anything. */
+	if (i >= len)
+		return -1;
+
+	if (!header->table_bytes)
+		return 0;
+
+	/* Make sure the checksums match. */
+	if (ipchksum((u16 *) header, sizeof(*header)) != 0)
+		return -1;
+
+	if (ipchksum((u16 *) (ptr + sizeof(*header)),
+		     header->table_bytes) != header->table_checksum)
+		return -1;
+
+	/* Now, walk the tables. */
+	ptr += header->header_bytes;
+
+	for (i = 0; i < header->table_entries; i++) {
+		struct cb_record *rec = (struct cb_record *)ptr;
+
+		/* We only care about a few tags here (maybe more later). */
+		switch (rec->tag) {
+		case CB_TAG_FORWARD:
+			return cb_parse_header(
+				(void *)(unsigned long)
+				((struct cb_forward *)rec)->forward,
+				len, info);
+			continue;
+		case CB_TAG_MEMORY:
+			cb_parse_memory(ptr, info);
+			break;
+		case CB_TAG_SERIAL:
+			cb_parse_serial(ptr, info);
+			break;
+		case CB_TAG_CMOS_OPTION_TABLE:
+			cb_parse_optiontable(ptr, info);
+			break;
+		case CB_TAG_OPTION_CHECKSUM:
+			cb_parse_checksum(ptr, info);
+			break;
+		/*
+		 * FIXME we should warn on serial if coreboot set up a
+		 * framebuffer buf the payload does not know about it.
+		 */
+		case CB_TAG_FRAMEBUFFER:
+			cb_parse_framebuffer(ptr, info);
+			break;
+		}
+
+		ptr += rec->size;
+	}
+
+	return 1;
+}
+
+/* == Architecture specific == */
+/* This is the x86 specific stuff. */
+
+/* Assume no translation or that memory is identity mapped. */
+static void *phys_to_virt(unsigned long virt)
+{
+	return (void *)(uintptr_t)virt;
+}
+
+int get_coreboot_info(struct sysinfo_t *info)
+{
+	int ret = cb_parse_header(phys_to_virt(0x00000000), 0x1000, info);
+
+	if (ret != 1)
+		ret = cb_parse_header(phys_to_virt(0x000f0000), 0x1000, info);
+
+	return (ret == 1) ? 0 : -1;
+}
diff --git a/arch/x86/include/asm/arch-coreboot/ipchecksum.h b/arch/x86/include/asm/arch-coreboot/ipchecksum.h
new file mode 100644
index 0000000..1d73b4d
--- /dev/null
+++ b/arch/x86/include/asm/arch-coreboot/ipchecksum.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * It has originally been taken from the FreeBSD project.
+ *
+ * Copyright (c) 2001 Charles Mott <cm@linktel.net>
+ * Copyright (c) 2008 coresystems GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _COREBOOT_IPCHECKSUM_H
+#define _COREBOOT_IPCHECKSUM_H
+
+unsigned short ipchksum(const void *vptr, unsigned long nbytes);
+
+#endif
diff --git a/arch/x86/include/asm/arch-coreboot/sysinfo.h b/arch/x86/include/asm/arch-coreboot/sysinfo.h
new file mode 100644
index 0000000..5c44e1a
--- /dev/null
+++ b/arch/x86/include/asm/arch-coreboot/sysinfo.h
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _COREBOOT_SYSINFO_H
+#define _COREBOOT_SYSINFO_H
+
+#include <compiler.h>
+
+/* Allow a maximum of 16 memory range definitions. */
+#define SYSINFO_MAX_MEM_RANGES 16
+
+struct sysinfo_t {
+	unsigned int cpu_khz;
+	unsigned short ser_ioport;
+	unsigned long ser_base; /* for mmapped serial */
+
+	int n_memranges;
+
+	struct memrange {
+		unsigned long long base;
+		unsigned long long size;
+		unsigned int type;
+	} memrange[SYSINFO_MAX_MEM_RANGES];
+
+	struct cb_cmos_option_table *option_table;
+	u32 cmos_range_start;
+	u32 cmos_range_end;
+	u32 cmos_checksum_location;
+
+	struct cb_framebuffer *framebuffer;
+
+	unsigned long *mbtable; /** Pointer to the multiboot table */
+};
+
+extern struct sysinfo_t lib_sysinfo;
+
+#endif
diff --git a/arch/x86/include/asm/arch-coreboot/tables.h b/arch/x86/include/asm/arch-coreboot/tables.h
new file mode 100644
index 0000000..c286973
--- /dev/null
+++ b/arch/x86/include/asm/arch-coreboot/tables.h
@@ -0,0 +1,241 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _COREBOOT_TABLES_H
+#define _COREBOOT_TABLES_H
+
+#include <compiler.h>
+
+struct cbuint64 {
+	u32 lo;
+	u32 hi;
+};
+
+struct cb_header {
+	u8 signature[4];
+	u32 header_bytes;
+	u32 header_checksum;
+	u32 table_bytes;
+	u32 table_checksum;
+	u32 table_entries;
+};
+
+struct cb_record {
+	u32 tag;
+	u32 size;
+};
+
+#define CB_TAG_UNUSED     0x0000
+#define CB_TAG_MEMORY     0x0001
+
+struct cb_memory_range {
+	struct cbuint64 start;
+	struct cbuint64 size;
+	u32 type;
+};
+
+#define CB_MEM_RAM          1
+#define CB_MEM_RESERVED     2
+#define CB_MEM_ACPI         3
+#define CB_MEM_NVS          4
+#define CB_MEM_UNUSABLE     5
+#define CB_MEM_VENDOR_RSVD  6
+#define CB_MEM_TABLE       16
+
+struct cb_memory {
+	u32 tag;
+	u32 size;
+	struct cb_memory_range map[0];
+};
+
+#define CB_TAG_HWRPB      0x0002
+
+struct cb_hwrpb {
+	u32 tag;
+	u32 size;
+	u64 hwrpb;
+};
+
+#define CB_TAG_MAINBOARD  0x0003
+
+struct cb_mainboard {
+	u32 tag;
+	u32 size;
+	u8 vendor_idx;
+	u8 part_number_idx;
+	u8 strings[0];
+};
+
+#define CB_TAG_VERSION        0x0004
+#define CB_TAG_EXTRA_VERSION  0x0005
+#define CB_TAG_BUILD          0x0006
+#define CB_TAG_COMPILE_TIME   0x0007
+#define CB_TAG_COMPILE_BY     0x0008
+#define CB_TAG_COMPILE_HOST   0x0009
+#define CB_TAG_COMPILE_DOMAIN 0x000a
+#define CB_TAG_COMPILER       0x000b
+#define CB_TAG_LINKER         0x000c
+#define CB_TAG_ASSEMBLER      0x000d
+
+struct cb_string {
+	u32 tag;
+	u32 size;
+	u8 string[0];
+};
+
+#define CB_TAG_SERIAL         0x000f
+
+struct cb_serial {
+	u32 tag;
+	u32 size;
+#define CB_SERIAL_TYPE_IO_MAPPED     1
+#define CB_SERIAL_TYPE_MEMORY_MAPPED 2
+	u32 type;
+	u32 baseaddr;
+	u32 baud;
+};
+
+#define CB_TAG_CONSOLE       0x00010
+
+struct cb_console {
+	u32 tag;
+	u32 size;
+	u16 type;
+};
+
+#define CB_TAG_CONSOLE_SERIAL8250 0
+#define CB_TAG_CONSOLE_VGA        1 /* OBSOLETE */
+#define CB_TAG_CONSOLE_BTEXT      2 /* OBSOLETE */
+#define CB_TAG_CONSOLE_LOGBUF     3
+#define CB_TAG_CONSOLE_SROM       4 /* OBSOLETE */
+#define CB_TAG_CONSOLE_EHCI       5
+
+#define CB_TAG_FORWARD       0x00011
+
+struct cb_forward {
+	u32 tag;
+	u32 size;
+	u64 forward;
+};
+
+#define CB_TAG_FRAMEBUFFER      0x0012
+struct cb_framebuffer {
+	u32 tag;
+	u32 size;
+
+	u64 physical_address;
+	u32 x_resolution;
+	u32 y_resolution;
+	u32 bytes_per_line;
+	u8 bits_per_pixel;
+	u8 red_mask_pos;
+	u8 red_mask_size;
+	u8 green_mask_pos;
+	u8 green_mask_size;
+	u8 blue_mask_pos;
+	u8 blue_mask_size;
+	u8 reserved_mask_pos;
+	u8 reserved_mask_size;
+};
+
+#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
+struct cb_cmos_option_table {
+	u32 tag;
+	u32 size;
+	u32 header_length;
+};
+
+#define CB_TAG_OPTION         0x00c9
+#define CMOS_MAX_NAME_LENGTH    32
+struct cb_cmos_entries {
+	u32 tag;
+	u32 size;
+	u32 bit;
+	u32 length;
+	u32 config;
+	u32 config_id;
+	u8 name[CMOS_MAX_NAME_LENGTH];
+};
+
+
+#define CB_TAG_OPTION_ENUM    0x00ca
+#define CMOS_MAX_TEXT_LENGTH 32
+struct cb_cmos_enums {
+	u32 tag;
+	u32 size;
+	u32 config_id;
+	u32 value;
+	u8 text[CMOS_MAX_TEXT_LENGTH];
+};
+
+#define CB_TAG_OPTION_DEFAULTS 0x00cb
+#define CMOS_IMAGE_BUFFER_SIZE 128
+struct cb_cmos_defaults {
+	u32 tag;
+	u32 size;
+	u32 name_length;
+	u8 name[CMOS_MAX_NAME_LENGTH];
+	u8 default_set[CMOS_IMAGE_BUFFER_SIZE];
+};
+
+#define CB_TAG_OPTION_CHECKSUM 0x00cc
+#define CHECKSUM_NONE	0
+#define CHECKSUM_PCBIOS	1
+struct	cb_cmos_checksum {
+	u32 tag;
+	u32 size;
+	u32 range_start;
+	u32 range_end;
+	u32 location;
+	u32 type;
+};
+
+/* Helpful macros */
+
+#define MEM_RANGE_COUNT(_rec) \
+	(((_rec)->size - sizeof(*(_rec))) / sizeof((_rec)->map[0]))
+
+#define MEM_RANGE_PTR(_rec, _idx) \
+	(((u8 *) (_rec)) + sizeof(*(_rec)) \
+	+ (sizeof((_rec)->map[0]) * (_idx)))
+
+#define MB_VENDOR_STRING(_mb) \
+	(((unsigned char *) ((_mb)->strings)) + (_mb)->vendor_idx)
+
+#define MB_PART_STRING(_mb) \
+	(((unsigned char *) ((_mb)->strings)) + (_mb)->part_number_idx)
+
+#define UNPACK_CB64(_in) \
+	((((u64) _in.hi) << 32) | _in.lo)
+
+struct sysinfo_t;
+
+int get_coreboot_info(struct sysinfo_t *info);
+
+#endif
diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h
index a02637f..f03ea80 100644
--- a/arch/x86/include/asm/zimage.h
+++ b/arch/x86/include/asm/zimage.h
@@ -24,30 +24,12 @@
 #ifndef _ASM_ZIMAGE_H_
 #define _ASM_ZIMAGE_H_
 
+#include <asm/bootparam.h>
+#include <asm/e820.h>
+
 /* linux i386 zImage/bzImage header. Offsets relative to
  * the start of the image */
 
-#define CMD_LINE_MAGIC_OFF  0x020 /* Magic 0xa33f if the offset below is valid */
-#define CMD_LINE_OFFSET_OFF 0x022 /* Offset to comandline */
-#define SETUP_SECTS_OFF     0x1F1 /* The size of the setup in sectors */
-#define ROOT_FLAGS_OFF      0x1F2 /* If set, the root is mounted readonly */
-#define VID_MODE_OFF        0x1FA /* Video mode control */
-#define ROOT_DEV_OFF        0x1FC /* Default root device number */
-#define BOOT_FLAG_OFF       0x1FE /* 0xAA55 magic number */
-#define HEADER_OFF          0x202 /* Magic signature "HdrS" */
-#define VERSION_OFF         0x206 /* Boot protocol version supported */
-#define REALMODE_SWTCH_OFF  0x208 /* Boot loader hook (see below) */
-#define START_SYS_OFF       0x20C /* Points to kernel version string */
-#define TYPE_OF_LOADER_OFF  0x210 /* Boot loader identifier */
-#define LOADFLAGS_OFF       0x211 /* Boot protocol option flags */
-#define SETUP_MOVE_SIZE_OFF 0x212 /* Move to high memory size (used with hooks) */
-#define CODE32_START_OFF    0x214 /* Boot loader hook (see below) */
-#define RAMDISK_IMAGE_OFF   0x218 /* initrd load address (set by boot loader) */
-#define RAMDISK_SIZE_OFF    0x21C /* initrd size (set by boot loader) */
-#define HEAP_END_PTR_OFF    0x224 /* Free memory after setup end */
-#define CMD_LINE_PTR_OFF    0x228 /* 32-bit pointer to the kernel command line */
-
-
 #define HEAP_FLAG           0x80
 #define BIG_KERNEL_FLAG     0x01
 
@@ -65,10 +47,14 @@
 #define BZIMAGE_LOAD_ADDR  0x100000
 #define ZIMAGE_LOAD_ADDR   0x10000
 
-void *load_zimage(char *image, unsigned long kernel_size,
-		  unsigned long initrd_addr, unsigned long initrd_size,
-		  int auto_boot);
+/* Implementation defined function to install an e820 map. */
+unsigned install_e820_map(unsigned max_entries, struct e820entry *);
+
+struct boot_params *load_zimage(char *image, unsigned long kernel_size,
+				void **load_address);
+int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
+		 unsigned long initrd_addr, unsigned long initrd_size);
 
-void boot_zimage(void *setup_base);
+void boot_zimage(void *setup_base, void *load_address);
 
 #endif
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index bac7b4f..83caf6b 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -28,16 +28,20 @@
 #include <command.h>
 #include <image.h>
 #include <u-boot/zlib.h>
+#include <asm/bootparam.h>
 #include <asm/byteorder.h>
 #include <asm/zimage.h>
 
+#define COMMAND_LINE_OFFSET 0x9000
+
 /*cmd_boot.c*/
 int do_bootm_linux(int flag, int argc, char * const argv[],
 		bootm_headers_t *images)
 {
-	void		*base_ptr = NULL;
-	ulong		os_data, os_len;
-	image_header_t	*hdr;
+	struct boot_params *base_ptr = NULL;
+	ulong os_data, os_len;
+	image_header_t *hdr;
+	void *load_address;
 
 #if defined(CONFIG_FIT)
 	const void	*data;
@@ -74,14 +78,19 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
 	}
 
 #ifdef CONFIG_CMD_ZBOOT
-	base_ptr = load_zimage((void *)os_data, os_len,
-			images->rd_start, images->rd_end - images->rd_start, 0);
+	base_ptr = load_zimage((void *)os_data, os_len, &load_address);
 #endif
 
 	if (NULL == base_ptr) {
 		printf("## Kernel loading failed ...\n");
 		goto error;
+	}
 
+	if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
+			0, images->rd_start,
+			images->rd_end - images->rd_start)) {
+		printf("## Setting up boot parameters failed ...\n");
+		goto error;
 	}
 
 #ifdef DEBUG
@@ -92,7 +101,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
 	/* we assume that the kernel is in place */
 	printf("\nStarting kernel ...\n\n");
 
-	boot_zimage(base_ptr);
+	boot_zimage(base_ptr, load_address);
 	/* does not return */
 
 error:
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index 8b42b5c..bb40517 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2011 The Chromium OS Authors.
  * (C) Copyright 2002
  * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
@@ -51,6 +52,16 @@
 
 #define COMMAND_LINE_SIZE	2048
 
+unsigned generic_install_e820_map(unsigned max_entries,
+				  struct e820entry *entries)
+{
+	return 0;
+}
+
+unsigned install_e820_map(unsigned max_entries,
+			  struct e820entry *entries)
+	__attribute__((weak, alias("generic_install_e820_map")));
+
 static void build_command_line(char *command_line, int auto_boot)
 {
 	char *env_command_line;
@@ -78,40 +89,47 @@ static void build_command_line(char *command_line, int auto_boot)
 	printf("Kernel command line: \"%s\"\n", command_line);
 }
 
-void *load_zimage(char *image, unsigned long kernel_size,
-		  unsigned long initrd_addr, unsigned long initrd_size,
-		  int auto_boot)
+static int kernel_magic_ok(struct setup_header *hdr)
 {
-	void *setup_base;
-	int setup_size;
-	int bootproto;
-	int big_image;
-	void *load_address;
-	struct setup_header *hdr;
-
-	hdr = (struct setup_header *)(image + SETUP_SECTS_OFF);
-
-	/* base address for real-mode segment */
-	setup_base = (void *)DEFAULT_SETUP_BASE;
-
 	if (KERNEL_MAGIC != hdr->boot_flag) {
-		printf("Error: Invalid Boot Flag (found 0x%04x, expected 0x%04x)\n",
-		       hdr->boot_flag, KERNEL_MAGIC);
+		printf("Error: Invalid Boot Flag "
+			"(found 0x%04x, expected 0x%04x)\n",
+			hdr->boot_flag, KERNEL_MAGIC);
 		return 0;
 	} else {
 		printf("Valid Boot Flag\n");
+		return 1;
 	}
+}
 
-	/* determine boot protocol version */
-	if (KERNEL_V2_MAGIC == hdr->header) {
+static int get_boot_protocol(struct setup_header *hdr)
+{
+	if (hdr->header == KERNEL_V2_MAGIC) {
 		printf("Magic signature found\n");
-
-		bootproto = hdr->version;
+		return hdr->version;
 	} else {
 		/* Very old kernel */
 		printf("Magic signature not found\n");
-		bootproto = 0x0100;
+		return 0x0100;
 	}
+}
+
+struct boot_params *load_zimage(char *image, unsigned long kernel_size,
+				void **load_address)
+{
+	struct boot_params *setup_base;
+	int setup_size;
+	int bootproto;
+	int big_image;
+
+	struct boot_params *params = (struct boot_params *)image;
+	struct setup_header *hdr = &params->hdr;
+
+	/* base address for real-mode segment */
+	setup_base = (struct boot_params *)DEFAULT_SETUP_BASE;
+
+	if (!kernel_magic_ok(hdr))
+		return 0;
 
 	/* determine size of setup */
 	if (0 == hdr->setup_sects) {
@@ -126,27 +144,50 @@ void *load_zimage(char *image, unsigned long kernel_size,
 	if (setup_size > SETUP_MAX_SIZE)
 		printf("Error: Setup is too large (%d bytes)\n", setup_size);
 
+	/* determine boot protocol version */
+	bootproto = get_boot_protocol(hdr);
+
+	printf("Using boot protocol version %x.%02x\n",
+	       (bootproto & 0xff00) >> 8, bootproto & 0xff);
+
+	if (bootproto >= 0x0200) {
+		if (hdr->setup_sects >= 15) {
+			printf("Linux kernel version %s\n",
+				(char *)params +
+				hdr->kernel_version + 0x200);
+		} else {
+			printf("Setup Sectors < 15 - "
+				"Cannot print kernel version.\n");
+		}
+	}
+
 	/* Determine image type */
 	big_image = (bootproto >= 0x0200) &&
 		    (hdr->loadflags & BIG_KERNEL_FLAG);
 
 	/* Determine load address */
-	load_address = (void *)(big_image ?
-				BZIMAGE_LOAD_ADDR :
-				ZIMAGE_LOAD_ADDR);
+	if (big_image)
+		*load_address = (void *)BZIMAGE_LOAD_ADDR;
+	else
+		*load_address = (void *)ZIMAGE_LOAD_ADDR;
 
+#if defined CONFIG_ZBOOT_32
+	printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
+	memset(setup_base, 0, sizeof(*setup_base));
+	setup_base->hdr = params->hdr;
+#else
 	/* load setup */
 	printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n",
 	       (ulong)setup_base, setup_size);
 	memmove(setup_base, image, setup_size);
+#endif
 
-	printf("Using boot protocol version %x.%02x\n",
-	       (bootproto & 0xff00) >> 8, bootproto & 0xff);
+	if (bootproto >= 0x0204)
+		kernel_size = hdr->syssize * 16;
+	else
+		kernel_size -= setup_size;
 
 	if (bootproto == 0x0100) {
-		*(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
-		*(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
-
 		/*
 		 * A very old kernel MUST have its real-mode code
 		 * loaded at 0x90000
@@ -157,33 +198,60 @@ void *load_zimage(char *image, unsigned long kernel_size,
 
 			/* Copy the command line */
 			memmove((void *)0x99000,
-				setup_base + COMMAND_LINE_OFFSET,
+				(u8 *)setup_base + COMMAND_LINE_OFFSET,
 				COMMAND_LINE_SIZE);
 
 			 /* Relocated */
-			setup_base = (void *)0x90000;
+			setup_base = (struct boot_params *)0x90000;
 		}
 
 		/* It is recommended to clear memory up to the 32K mark */
-		memset((void *)0x90000 + setup_size, 0,
-		       SETUP_MAX_SIZE-setup_size);
+		memset((u8 *)0x90000 + setup_size, 0,
+		       SETUP_MAX_SIZE - setup_size);
 	}
 
-	/* We are now setting up the real-mode version of the header */
-	hdr = (struct setup_header *)(setup_base + SETUP_SECTS_OFF);
+	if (big_image) {
+		if (kernel_size > BZIMAGE_MAX_SIZE) {
+			printf("Error: bzImage kernel too big! "
+				"(size: %ld, max: %d)\n",
+				kernel_size, BZIMAGE_MAX_SIZE);
+			return 0;
+		}
+	} else if ((kernel_size) > ZIMAGE_MAX_SIZE) {
+		printf("Error: zImage kernel too big! (size: %ld, max: %d)\n",
+		       kernel_size, ZIMAGE_MAX_SIZE);
+		return 0;
+	}
+
+	printf("Loading %s at address %p (%ld bytes)\n",
+		big_image ? "bzImage" : "zImage", *load_address, kernel_size);
+
+	memmove(*load_address, image + setup_size, kernel_size);
+
+	return setup_base;
+}
+
+int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
+		 unsigned long initrd_addr, unsigned long initrd_size)
+{
+	struct setup_header *hdr = &setup_base->hdr;
+	int bootproto = get_boot_protocol(hdr);
+
+#if defined CONFIG_ZBOOT_32
+	setup_base->e820_entries = install_e820_map(
+		ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map);
+#endif
 
+	if (bootproto == 0x0100) {
+		setup_base->screen_info.cl_magic = COMMAND_LINE_MAGIC;
+		setup_base->screen_info.cl_offset = COMMAND_LINE_OFFSET;
+	}
 	if (bootproto >= 0x0200) {
 		hdr->type_of_loader = 8;
 
-		if (hdr->setup_sects >= 15)
-			printf("Linux kernel version %s\n",
-			       (char *)(setup_base +
-					(hdr->kernel_version + 0x200)));
-		else
-			printf("Setup Sectors < 15 - Cannot print kernel version.\n");
-
 		if (initrd_addr) {
-			printf("Initial RAM disk at linear address 0x%08lx, size %ld bytes\n",
+			printf("Initial RAM disk at linear address "
+			       "0x%08lx, size %ld bytes\n",
 			       initrd_addr, initrd_size);
 
 			hdr->ramdisk_image = initrd_addr;
@@ -197,49 +265,42 @@ void *load_zimage(char *image, unsigned long kernel_size,
 	}
 
 	if (bootproto >= 0x0202) {
-		hdr->cmd_line_ptr = (u32)setup_base + COMMAND_LINE_OFFSET;
+		hdr->cmd_line_ptr = (uintptr_t)cmd_line;
 	} else if (bootproto >= 0x0200) {
-
-		*(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
-		*(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
+		setup_base->screen_info.cl_magic = COMMAND_LINE_MAGIC;
+		setup_base->screen_info.cl_offset =
+			(uintptr_t)cmd_line - (uintptr_t)setup_base;
 
 		hdr->setup_move_size = 0x9100;
 	}
 
-	if (bootproto >= 0x0204)
-		kernel_size = hdr->syssize * 16;
-	else
-		kernel_size -= setup_size;
-
-
-	if (big_image) {
-		if ((kernel_size) > BZIMAGE_MAX_SIZE) {
-			printf("Error: bzImage kernel too big! (size: %ld, max: %d)\n",
-			       kernel_size, BZIMAGE_MAX_SIZE);
-			return 0;
-		}
-
-	} else if ((kernel_size) > ZIMAGE_MAX_SIZE) {
-		printf("Error: zImage kernel too big! (size: %ld, max: %d)\n",
-		       kernel_size, ZIMAGE_MAX_SIZE);
-		return 0;
-	}
-
 	/* build command line at COMMAND_LINE_OFFSET */
-	build_command_line(setup_base + COMMAND_LINE_OFFSET, auto_boot);
-
-	printf("Loading %czImage at address 0x%08x (%ld bytes)\n",
-	       big_image ? 'b' : ' ', (u32)load_address, kernel_size);
-
-
-	memmove(load_address, image + setup_size, kernel_size);
-
-	/* ready for booting */
-	return setup_base;
+	build_command_line(cmd_line, auto_boot);
+	return 0;
 }
 
-void boot_zimage(void *setup_base)
+void boot_zimage(void *setup_base, void *load_address)
 {
+	printf("\nStarting kernel ...\n\n");
+
+#if defined CONFIG_ZBOOT_32
+	/*
+	 * Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params
+	 * structure, and then jump to the kernel. We assume that %cs is
+	 * 0x10, 4GB flat, and read/execute, and the data segments are 0x18,
+	 * 4GB flat, and read/write. U-boot is setting them up that way for
+	 * itself in arch/i386/cpu/cpu.c.
+	 */
+	__asm__ __volatile__ (
+	"movl $0, %%ebp		\n"
+	"cli			\n"
+	"jmp %[kernel_entry]	\n"
+	:: [kernel_entry]"a"(load_address),
+	   [boot_params] "S"(setup_base),
+	   "b"(0), "D"(0)
+	:  "%ebp"
+	);
+#else
 	struct pt_regs regs;
 
 	memset(&regs, 0, sizeof(struct pt_regs));
@@ -248,56 +309,79 @@ void boot_zimage(void *setup_base)
 	regs.xss = regs.xds;
 	regs.esp = 0x9000;
 	regs.eflags = 0;
-	enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, &regs,
-		       &regs);
+	enter_realmode(((u32)setup_base + SETUP_START_OFFSET) >> 4, 0,
+		       &regs, &regs);
+#endif
 }
 
 int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 {
-	void *base_ptr;
+	struct boot_params *base_ptr;
 	void *bzImage_addr = NULL;
+	void *load_address;
 	char *s;
 	ulong bzImage_size = 0;
+	ulong initrd_addr = 0;
+	ulong initrd_size = 0;
 
 	disable_interrupts();
 
 	/* Setup board for maximum PC/AT Compatibility */
 	setup_pcat_compatibility();
 
-	if (argc >= 2)
+	if (argc >= 2) {
 		/* argv[1] holds the address of the bzImage */
 		s = argv[1];
-	else
+	} else {
 		s = getenv("fileaddr");
+	}
 
 	if (s)
 		bzImage_addr = (void *)simple_strtoul(s, NULL, 16);
 
-	if (argc >= 3)
+	if (argc >= 3) {
 		/* argv[2] holds the size of the bzImage */
 		bzImage_size = simple_strtoul(argv[2], NULL, 16);
+	}
+
+	if (argc >= 4)
+		initrd_addr = simple_strtoul(argv[3], NULL, 16);
+	if (argc >= 5)
+		initrd_size = simple_strtoul(argv[4], NULL, 16);
 
-	/* Lets look for*/
-	base_ptr = load_zimage(bzImage_addr, bzImage_size, 0, 0, 0);
+	/* Lets look for */
+	base_ptr = load_zimage(bzImage_addr, bzImage_size, &load_address);
 
 	if (!base_ptr) {
 		printf("## Kernel loading failed ...\n");
-	} else {
-		printf("## Transferring control to Linux (at address %08x) ...\n",
-			(u32)base_ptr);
+		return -1;
+	}
+	if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
+			0, initrd_addr, initrd_size)) {
+		printf("Setting up boot parameters failed ...\n");
+		return -1;
+	}
 
-		/* we assume that the kernel is in place */
-		printf("\nStarting kernel ...\n\n");
+	printf("## Transferring control to Linux "
+	       "(at address %08x) ...\n",
+	       (u32)base_ptr);
 
-		boot_zimage(base_ptr);
-		/* does not return */
-	}
+	/* we assume that the kernel is in place */
+	boot_zimage(base_ptr, load_address);
+	/* does not return */
 
 	return -1;
 }
 
 U_BOOT_CMD(
-	zboot, 2, 0,	do_zboot,
+	zboot, 5, 0,	do_zboot,
 	"Boot bzImage",
-	""
+	"[addr] [size] [initrd addr] [initrd size]\n"
+	"      addr -        The optional starting address of the bzimage.\n"
+	"                    If not set it defaults to the environment\n"
+	"                    variable \"fileaddr\".\n"
+	"      size -        The optional size of the bzimage. Defaults to\n"
+	"                    zero.\n"
+	"      initrd addr - The address of the initrd image to use, if any.\n"
+	"      initrd size - The size of the initrd image to use, if any.\n"
 );