Merge branch 'master' of git://git.denx.de/u-boot-x86

15 files changed, 235 insertions, 77 deletions

diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index be27dd9..57324b6 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -30,7 +30,7 @@ LIB	= $(obj)lib$(CPU).o
 
 START-y	= start.o
 RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += resetvec.o start16.o
-COBJS	= interrupts.o cpu.o
+COBJS	= interrupts.o cpu.o timer.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/arch/x86/cpu/coreboot/Makefile b/arch/x86/cpu/coreboot/Makefile
index fbf5a00..2afd30c 100644
--- a/arch/x86/cpu/coreboot/Makefile
+++ b/arch/x86/cpu/coreboot/Makefile
@@ -37,7 +37,6 @@ COBJS-$(CONFIG_SYS_COREBOOT) += coreboot.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
 COBJS-$(CONFIG_PCI) += pci.o
 
 SOBJS-$(CONFIG_SYS_COREBOOT) += coreboot_car.o
diff --git a/arch/x86/cpu/coreboot/sysinfo.c b/arch/x86/cpu/coreboot/sysinfo.c
deleted file mode 100644
index 9b3e660..0000000
--- a/arch/x86/cpu/coreboot/sysinfo.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * 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
index 0e3451b..b116d59 100644
--- a/arch/x86/cpu/coreboot/tables.c
+++ b/arch/x86/cpu/coreboot/tables.c
@@ -28,11 +28,20 @@
  * SUCH DAMAGE.
  */
 
+#include <common.h>
 #include <asm/arch-coreboot/ipchecksum.h>
 #include <asm/arch-coreboot/sysinfo.h>
 #include <asm/arch-coreboot/tables.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")));
+
+/*
  * 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
@@ -72,22 +81,45 @@ static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
 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;
+	info->serial = ser;
 }
 
-static void cb_parse_optiontable(unsigned char *ptr, struct sysinfo_t *info)
+static void cb_parse_vbnv(unsigned char *ptr, struct sysinfo_t *info)
 {
-	info->option_table = (struct cb_cmos_option_table *)ptr;
+	struct cb_vbnv *vbnv = (struct cb_vbnv *)ptr;
+
+	info->vbnv_start = vbnv->vbnv_start;
+	info->vbnv_size = vbnv->vbnv_size;
 }
 
-static void cb_parse_checksum(unsigned char *ptr, struct sysinfo_t *info)
+static void cb_parse_gpios(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;
+	int i;
+	struct cb_gpios *gpios = (struct cb_gpios *)ptr;
+
+	info->num_gpios = (gpios->count < SYSINFO_MAX_GPIOS) ?
+				(gpios->count) : SYSINFO_MAX_GPIOS;
+
+	for (i = 0; i < info->num_gpios; i++)
+		info->gpios[i] = gpios->gpios[i];
+}
+
+static void cb_parse_vdat(unsigned char *ptr, struct sysinfo_t *info)
+{
+	struct cb_vdat *vdat = (struct cb_vdat *) ptr;
+
+	info->vdat_addr = vdat->vdat_addr;
+	info->vdat_size = vdat->vdat_size;
+}
+
+static void cb_parse_tstamp(unsigned char *ptr, struct sysinfo_t *info)
+{
+	info->tstamp_table = ((struct cb_cbmem_tab *)ptr)->cbmem_tab;
+}
+
+static void cb_parse_cbmem_cons(unsigned char *ptr, struct sysinfo_t *info)
+{
+	info->cbmem_cons = ((struct cb_cbmem_tab *)ptr)->cbmem_tab;
 }
 
 static void cb_parse_framebuffer(unsigned char *ptr, struct sysinfo_t *info)
@@ -95,6 +127,11 @@ static void cb_parse_framebuffer(unsigned char *ptr, struct sysinfo_t *info)
 	info->framebuffer = (struct cb_framebuffer *)ptr;
 }
 
+static void cb_parse_string(unsigned char *ptr, char **info)
+{
+	*info = (char *)((struct cb_string *)ptr)->string;
+}
+
 static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
 {
 	struct cb_header *header;
@@ -125,6 +162,9 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
 	/* Now, walk the tables. */
 	ptr += header->header_bytes;
 
+	/* Inintialize some fields to sentinel values. */
+	info->vbnv_start = info->vbnv_size = (uint32_t)(-1);
+
 	for (i = 0; i < header->table_entries; i++) {
 		struct cb_record *rec = (struct cb_record *)ptr;
 
@@ -142,11 +182,35 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
 		case CB_TAG_SERIAL:
 			cb_parse_serial(ptr, info);
 			break;
-		case CB_TAG_CMOS_OPTION_TABLE:
-			cb_parse_optiontable(ptr, info);
+		case CB_TAG_VERSION:
+			cb_parse_string(ptr, &info->version);
+			break;
+		case CB_TAG_EXTRA_VERSION:
+			cb_parse_string(ptr, &info->extra_version);
+			break;
+		case CB_TAG_BUILD:
+			cb_parse_string(ptr, &info->build);
+			break;
+		case CB_TAG_COMPILE_TIME:
+			cb_parse_string(ptr, &info->compile_time);
+			break;
+		case CB_TAG_COMPILE_BY:
+			cb_parse_string(ptr, &info->compile_by);
+			break;
+		case CB_TAG_COMPILE_HOST:
+			cb_parse_string(ptr, &info->compile_host);
+			break;
+		case CB_TAG_COMPILE_DOMAIN:
+			cb_parse_string(ptr, &info->compile_domain);
+			break;
+		case CB_TAG_COMPILER:
+			cb_parse_string(ptr, &info->compiler);
 			break;
-		case CB_TAG_OPTION_CHECKSUM:
-			cb_parse_checksum(ptr, info);
+		case CB_TAG_LINKER:
+			cb_parse_string(ptr, &info->linker);
+			break;
+		case CB_TAG_ASSEMBLER:
+			cb_parse_string(ptr, &info->assembler);
 			break;
 		/*
 		 * FIXME we should warn on serial if coreboot set up a
@@ -155,6 +219,21 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
 		case CB_TAG_FRAMEBUFFER:
 			cb_parse_framebuffer(ptr, info);
 			break;
+		case CB_TAG_GPIO:
+			cb_parse_gpios(ptr, info);
+			break;
+		case CB_TAG_VDAT:
+			cb_parse_vdat(ptr, info);
+			break;
+		case CB_TAG_TIMESTAMPS:
+			cb_parse_tstamp(ptr, info);
+			break;
+		case CB_TAG_CBMEM_CONSOLE:
+			cb_parse_cbmem_cons(ptr, info);
+			break;
+		case CB_TAG_VBNV:
+			cb_parse_vbnv(ptr, info);
+			break;
 		}
 
 		ptr += rec->size;
@@ -166,18 +245,12 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
 /* == 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);
+	int ret = cb_parse_header((void *)0x00000000, 0x1000, info);
 
 	if (ret != 1)
-		ret = cb_parse_header(phys_to_virt(0x000f0000), 0x1000, info);
+		ret = cb_parse_header((void *)0x000f0000, 0x1000, info);
 
 	return (ret == 1) ? 0 : -1;
 }
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 9c2db9f..fabfbd1 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -115,6 +115,11 @@ void setup_gdt(gd_t *id, u64 *gdt_addr)
 	load_fs(X86_GDT_ENTRY_32BIT_FS);
 }
 
+int __weak x86_cleanup_before_linux(void)
+{
+	return 0;
+}
+
 int x86_cpu_init_f(void)
 {
 	const u32 em_rst = ~X86_CR0_EM;
diff --git a/arch/x86/cpu/timer.c b/arch/x86/cpu/timer.c
new file mode 100644
index 0000000..149109d
--- /dev/null
+++ b/arch/x86/cpu/timer.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ */
+
+#include <common.h>
+
+unsigned long timer_get_us(void)
+{
+	printf("timer_get_us used but not implemented.\n");
+	return 0;
+}
diff --git a/arch/x86/include/asm/arch-coreboot/sysinfo.h b/arch/x86/include/asm/arch-coreboot/sysinfo.h
index 5c44e1a..77ae304 100644
--- a/arch/x86/include/asm/arch-coreboot/sysinfo.h
+++ b/arch/x86/include/asm/arch-coreboot/sysinfo.h
@@ -30,32 +30,52 @@
 #ifndef _COREBOOT_SYSINFO_H
 #define _COREBOOT_SYSINFO_H
 
+#include <common.h>
 #include <compiler.h>
+#include <fdt.h>
+#include <asm/arch/tables.h>
 
 /* Allow a maximum of 16 memory range definitions. */
 #define SYSINFO_MAX_MEM_RANGES 16
+/* Allow a maximum of 8 GPIOs */
+#define SYSINFO_MAX_GPIOS 8
 
 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;
+	u32 vbnv_start;
+	u32 vbnv_size;
+
+	char *version;
+	char *extra_version;
+	char *build;
+	char *compile_time;
+	char *compile_by;
+	char *compile_host;
+	char *compile_domain;
+	char *compiler;
+	char *linker;
+	char *assembler;
 
 	struct cb_framebuffer *framebuffer;
 
-	unsigned long *mbtable; /** Pointer to the multiboot table */
+	int num_gpios;
+	struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
+
+	void	*vdat_addr;
+	u32	vdat_size;
+	void	*tstamp_table;
+	void	*cbmem_cons;
+
+	struct cb_serial *serial;
 };
 
 extern struct sysinfo_t lib_sysinfo;
diff --git a/arch/x86/include/asm/arch-coreboot/tables.h b/arch/x86/include/asm/arch-coreboot/tables.h
index c286973..ad34a8b 100644
--- a/arch/x86/include/asm/arch-coreboot/tables.h
+++ b/arch/x86/include/asm/arch-coreboot/tables.h
@@ -164,6 +164,55 @@ struct cb_framebuffer {
 	u8 reserved_mask_size;
 };
 
+#define CB_TAG_GPIO 0x0013
+#define GPIO_MAX_NAME_LENGTH 16
+struct cb_gpio {
+	u32 port;
+	u32 polarity;
+	u32 value;
+	u8 name[GPIO_MAX_NAME_LENGTH];
+};
+
+struct cb_gpios {
+	u32 tag;
+	u32 size;
+
+	u32 count;
+	struct cb_gpio gpios[0];
+};
+
+#define CB_TAG_FDT	0x0014
+struct cb_fdt {
+	uint32_t tag;
+	uint32_t size;	/* size of the entire entry */
+	/* the actual FDT gets placed here */
+};
+
+#define CB_TAG_VDAT	0x0015
+struct cb_vdat {
+	uint32_t tag;
+	uint32_t size;	/* size of the entire entry */
+	void	 *vdat_addr;
+	uint32_t vdat_size;
+};
+
+#define CB_TAG_TIMESTAMPS	0x0016
+#define CB_TAG_CBMEM_CONSOLE	0x0017
+#define CB_TAG_MRC_CACHE	0x0018
+struct cb_cbmem_tab {
+	uint32_t tag;
+	uint32_t size;
+	void   *cbmem_tab;
+};
+
+#define CB_TAG_VBNV		0x0019
+struct cb_vbnv {
+	uint32_t tag;
+	uint32_t size;
+	uint32_t vbnv_start;
+	uint32_t vbnv_size;
+};
+
 #define CB_TAG_CMOS_OPTION_TABLE 0x00c8
 struct cb_cmos_option_table {
 	u32 tag;
@@ -238,4 +287,29 @@ struct sysinfo_t;
 
 int get_coreboot_info(struct sysinfo_t *info);
 
+#define CBMEM_TOC_RESERVED      512
+#define MAX_CBMEM_ENTRIES       16
+#define CBMEM_MAGIC             0x434f5245
+
+struct cbmem_entry {
+	u32 magic;
+	u32 id;
+	u64 base;
+	u64 size;
+} __packed;
+
+#define CBMEM_ID_FREESPACE      0x46524545
+#define CBMEM_ID_GDT            0x4c474454
+#define CBMEM_ID_ACPI           0x41435049
+#define CBMEM_ID_CBTABLE        0x43425442
+#define CBMEM_ID_PIRQ           0x49525154
+#define CBMEM_ID_MPTABLE        0x534d5054
+#define CBMEM_ID_RESUME         0x5245534d
+#define CBMEM_ID_RESUME_SCRATCH 0x52455343
+#define CBMEM_ID_SMBIOS         0x534d4254
+#define CBMEM_ID_TIMESTAMP      0x54494d45
+#define CBMEM_ID_MRCDATA        0x4d524344
+#define CBMEM_ID_CONSOLE        0x434f4e53
+#define CBMEM_ID_NONE           0x00000000
+
 #endif
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index b8961ba..35110a3 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -58,6 +58,7 @@ struct global_data {
 	unsigned long	gdt_addr;	/* Location of GDT */
 	phys_size_t	ram_size;	/* RAM size */
 	unsigned long	reset_status;	/* reset status register at boot */
+	const void	*fdt_blob;	/* Our device tree, NULL if none */
 	void		**jt;		/* jump table */
 	char		env_buf[32];	/* buffer for getenv() before reloc. */
 };
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index b12bdd8..84a638d 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -36,6 +36,8 @@
 
 #define IO_SPACE_LIMIT 0xffff
 
+#include <asm/types.h>
+
 
 #ifdef __KERNEL__
 
@@ -135,7 +137,7 @@ out:
 #ifdef SLOW_IO_BY_JUMPING
 #define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:"
 #else
-#define __SLOW_DOWN_IO "\noutb %%al,$0x80"
+#define __SLOW_DOWN_IO "\noutb %%al,$0xed"
 #endif
 
 #ifdef REALLY_SLOW_IO
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 878a1ee..a4a5ae0 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -40,6 +40,7 @@ int cpu_init_f(void);
 void init_gd(gd_t *id, u64 *gdt_addr);
 void setup_gdt(gd_t *id, u64 *gdt_addr);
 int init_cache(void);
+int cleanup_before_linux(void);
 
 /* cpu/.../timer.c */
 void timer_isr(void *);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 51836da..4325b25 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -25,11 +25,16 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(ARCH).o
 
+ifeq ($(CONFIG_X86_NO_REAL_MODE),)
 SOBJS-$(CONFIG_SYS_PC_BIOS)	+= bios.o
 SOBJS-$(CONFIG_SYS_PCI_BIOS)	+= bios_pci.o
-SOBJS-$(CONFIG_SYS_X86_REALMODE)	+= realmode_switch.o
+COBJS-y	+= realmode.o
+SOBJS-y	+= realmode_switch.o
 
 COBJS-$(CONFIG_SYS_PC_BIOS)	+= bios_setup.o
+COBJS-$(CONFIG_VIDEO)	+= video_bios.o
+endif
+
 COBJS-y	+= board.o
 COBJS-y	+= bootm.o
 COBJS-y	+= cmd_boot.o
@@ -41,11 +46,9 @@ COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
 COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o
 COBJS-$(CONFIG_PCI) += pci.o
 COBJS-$(CONFIG_PCI) += pci_type1.o
-COBJS-$(CONFIG_SYS_X86_REALMODE)	+= realmode.o
 COBJS-y	+= relocate.o
 COBJS-y	+= string.o
 COBJS-$(CONFIG_SYS_X86_ISR_TIMER)	+= timer.o
-COBJS-$(CONFIG_VIDEO)	+= video_bios.o
 COBJS-$(CONFIG_VIDEO)	+= video.o
 COBJS-$(CONFIG_CMD_ZBOOT)	+= zimage.o
 
diff --git a/arch/x86/lib/pcat_timer.c b/arch/x86/lib/pcat_timer.c
index 6b3db69..b0b6637 100644
--- a/arch/x86/lib/pcat_timer.c
+++ b/arch/x86/lib/pcat_timer.c
@@ -39,7 +39,7 @@ int timer_init(void)
 	 * Timer 0 is used to increment system_tick 1000 times/sec
 	 * Timer 1 was used for DRAM refresh in early PC's
 	 * Timer 2 is used to drive the speaker
-	 * (to stasrt a beep: write 3 to port 0x61,
+	 * (to start a beep: write 3 to port 0x61,
 	 * to stop it again: write 0)
 	 */
 	outb(PIT_CMD_CTR0 | PIT_CMD_BOTH | PIT_CMD_MODE2,
diff --git a/arch/x86/lib/video.c b/arch/x86/lib/video.c
index 3d6b24d..20e2416 100644
--- a/arch/x86/lib/video.c
+++ b/arch/x86/lib/video.c
@@ -222,8 +222,10 @@ int video_init(void)
 
 int drv_video_init(void)
 {
+#ifndef CONFIG_X86_NO_REAL_MODE
 	if (video_bios_init())
 		return 1;
+#endif
 
 	return video_init();
 }
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index 2214286..b8c672b 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -171,7 +171,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
 	else
 		*load_address = (void *)ZIMAGE_LOAD_ADDR;
 
-#if defined CONFIG_ZBOOT_32
+#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
 	printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
 	memset(setup_base, 0, sizeof(*setup_base));
 	setup_base->hdr = params->hdr;
@@ -237,7 +237,7 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
 	struct setup_header *hdr = &setup_base->hdr;
 	int bootproto = get_boot_protocol(hdr);
 
-#if defined CONFIG_ZBOOT_32
+#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
 	setup_base->e820_entries = install_e820_map(
 		ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map);
 #endif