x86: Initial commit for running as a coreboot payload

Add a target for running u-boot as a coreboot payload in boards.cfg, a
board, CPU and a config. This is a skeleton implementation which always
reports the size of memory as 64 MB.

Signed-off-by: Gabe Black <gabeblack@chromium.org>

diff --git a/arch/x86/cpu/coreboot/Makefile b/arch/x86/cpu/coreboot/Makefile
new file mode 100644 (file)
index 0000000..0444399
--- /dev/null
+++ b/arch/x86/cpu/coreboot/Makefile
@@ -0,0 +1,55 @@
+#
+# 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-$(CONFIG_SYS_COREBOOT) += sdram.o
+
+SOBJS-$(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 (file)
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 (file)
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/sdram.c b/arch/x86/cpu/coreboot/sdram.c
new file mode 100644 (file)
index 0000000..b56085a
--- /dev/null
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -0,0 +1,39 @@
+/*
+ * 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 <asm/u-boot-x86.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init_f(void)
+{
+       gd->ram_size = 64*1024*1024;
+       return 0;
+}
+
+int dram_init(void)
+{
+       return 0;
+}

diff --git a/board/chromebook-x86/coreboot/Makefile b/board/chromebook-x86/coreboot/Makefile
new file mode 100644 (file)
index 0000000..cfcc0df
--- /dev/null
+++ b/board/chromebook-x86/coreboot/Makefile
@@ -0,0 +1,53 @@
+#
+# 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    = $(obj)lib$(BOARD).o
+
+COBJS-y        += coreboot.o
+COBJS-$(CONFIG_PCI) += coreboot_pci.o
+SOBJS-y        += coreboot_start16.o
+SOBJS-y        += coreboot_start.o
+
+SRCS   := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS   := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
+
+$(LIB):        $(obj).depend $(OBJS) $(SOBJS)
+       $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

diff --git a/board/chromebook-x86/coreboot/coreboot.c b/board/chromebook-x86/coreboot/coreboot.c
new file mode 100644 (file)
index 0000000..44c6f15
--- /dev/null
+++ b/board/chromebook-x86/coreboot/coreboot.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * 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 <asm/u-boot-x86.h>
+#include <flash.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
+
+/*
+ * Miscellaneous platform dependent initializations
+ */
+int board_early_init_f(void)
+{
+       return 0;
+}
+
+int board_early_init_r(void)
+{
+       /* CPU Speed to 100MHz */
+       gd->cpu_clk = 100000000;
+
+       /* Crystal is 33.000MHz */
+       gd->bus_clk = 33000000;
+
+       return 0;
+}
+
+void show_boot_progress(int val)
+{
+}
+
+
+int last_stage_init(void)
+{
+       return 0;
+}
+
+#ifndef CONFIG_SYS_NO_FLASH
+ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
+{
+       return 0;
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+       return pci_eth_init(bis);
+}
+
+void setup_pcat_compatibility()
+{
+}

diff --git a/board/chromebook-x86/coreboot/coreboot_pci.c b/board/chromebook-x86/coreboot/coreboot_pci.c
new file mode 100644 (file)
index 0000000..732ca3c
--- /dev/null
+++ b/board/chromebook-x86/coreboot/coreboot_pci.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008,2009
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * (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
+ */
+
+void pci_init_board(void)
+{
+}

diff --git a/board/chromebook-x86/coreboot/coreboot_start.S b/board/chromebook-x86/coreboot/coreboot_start.S
new file mode 100644 (file)
index 0000000..8667d17
--- /dev/null
+++ b/board/chromebook-x86/coreboot/coreboot_start.S
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * 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
+ */
+
+/* board early intialization */
+.globl early_board_init
+early_board_init:
+       /* No 32-bit board specific initialisation */
+       jmp     early_board_init_ret

diff --git a/board/chromebook-x86/coreboot/coreboot_start16.S b/board/chromebook-x86/coreboot/coreboot_start16.S
new file mode 100644 (file)
index 0000000..9ad06df
--- /dev/null
+++ b/board/chromebook-x86/coreboot/coreboot_start16.S
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * 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
+ */
+
+/*
+ * 16bit initialization code.
+ * This code have to map the area of the boot flash
+ * that is used by U-boot to its final destination.
+ */
+
+.text
+.section .start16, "ax"
+.code16
+.globl board_init16
+board_init16:
+       jmp     board_init16_ret
+
+.section .bios, "ax"
+.code16
+.globl realmode_reset
+.hidden realmode_reset
+.type realmode_reset, @function
+realmode_reset:
+
+1:     hlt
+       jmp     1

diff --git a/boards.cfg b/boards.cfg
index 1e5b3e0..66c27a4 100644 (file)
--- a/boards.cfg
+++ b/boards.cfg
@@ -1007,6 +1007,7 @@ gr_cpci_ax2000               sparc       leon3       -                   gaisler
 gr_ep2s60                    sparc       leon3       -                   gaisler
 grsim                        sparc       leon3       -                   gaisler
 gr_xc3s_1500                 sparc       leon3       -                   gaisler
+coreboot-x86                 x86         x86        coreboot            chromebook-x86 coreboot    coreboot:SYS_TEXT_BASE=0xFC0000
 eNET                         x86         x86        eNET                -              sc520       eNET:SYS_TEXT_BASE=0x38040000
 eNET_SRAM                    x86         x86        eNET                -              sc520       eNET:SYS_TEXT_BASE=0x19000000
 # Target                     ARCH        CPU         Board name          Vendor                SoC         Options

diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
new file mode 100644 (file)
index 0000000..348a25b
--- /dev/null
+++ b/include/configs/coreboot.h
@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * 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 <asm/ibmpc.h>
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_SYS_COREBOOT
+#undef CONFIG_SHOW_BOOT_PROGRESS
+#define CONFIG_LAST_STAGE_INIT
+
+
+/*-----------------------------------------------------------------------
+ * Watchdog Configuration
+ */
+#undef CONFIG_WATCHDOG
+#undef CONFIG_HW_WATCHDOG
+
+/*-----------------------------------------------------------------------
+ * Real Time Clock Configuration
+ */
+#define CONFIG_RTC_MC146818
+#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
+
+/*-----------------------------------------------------------------------
+ * Serial Configuration
+ */
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_CONS_INDEX              1
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE    1
+#define CONFIG_SYS_NS16550_CLK         1843200
+#define CONFIG_BAUDRATE                        9600
+#define CONFIG_SYS_BAUDRATE_TABLE      {300, 600, 1200, 2400, 4800, \
+                                        9600, 19200, 38400, 115200}
+#define CONFIG_SYS_NS16550_COM1        UART0_BASE
+#define CONFIG_SYS_NS16550_COM2        UART1_BASE
+#define CONFIG_SYS_NS16550_PORT_MAPPED
+
+/* max. 1 IDE bus      */
+#define CONFIG_SYS_IDE_MAXBUS          1
+/* max. 1 drive per IDE bus */
+#define CONFIG_SYS_IDE_MAXDEVICE       (CONFIG_SYS_IDE_MAXBUS * 1)
+
+#define CONFIG_SYS_ATA_BASE_ADDR       CONFIG_SYS_ISA_IO_BASE_ADDRESS
+#define CONFIG_SYS_ATA_IDE0_OFFSET     0x01f0
+#define CONFIG_SYS_ATA_IDE1_OFFSET     0x0170
+#define CONFIG_SYS_ATA_DATA_OFFSET     0
+#define CONFIG_SYS_ATA_REG_OFFSET      0
+#define CONFIG_SYS_ATA_ALT_OFFSET      0x200
+
+
+#define CONFIG_SUPPORT_VFAT
+/************************************************************
+ * ATAPI support (experimental)
+ ************************************************************/
+#define CONFIG_ATAPI
+
+/************************************************************
+ * DISK Partition support
+ ************************************************************/
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION           /* Experimental */
+
+
+/*-----------------------------------------------------------------------
+ * Video Configuration
+ */
+#undef CONFIG_VIDEO
+#undef CONFIG_CFB_CONSOLE
+
+/*-----------------------------------------------------------------------
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_BDI
+#define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_CONSOLE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_ECHO
+#undef CONFIG_CMD_FLASH
+#define CONFIG_CMD_FPGA
+#define CONFIG_CMD_IMI
+#undef CONFIG_CMD_IMLS
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_ITEST
+#define CONFIG_CMD_LOADB
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+#define CONFIG_CMD_PCI
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_RUN
+#define CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_SETGETDCR
+#define CONFIG_CMD_SOURCE
+#define CONFIG_CMD_XIMG
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_EXT2
+
+#define CONFIG_BOOTDELAY       2
+#define CONFIG_BOOTARGS                "root=/dev/mtdblock0 console=ttyS0,9600"
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE                   115200
+#define CONFIG_KGDB_SER_INDEX                  2
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT                      "boot > "
+#define CONFIG_SYS_CBSIZE                      256
+#define CONFIG_SYS_PBSIZE                      (CONFIG_SYS_CBSIZE + \
+                                                sizeof(CONFIG_SYS_PROMPT) + \
+                                                16)
+#define CONFIG_SYS_MAXARGS                     16
+#define CONFIG_SYS_BARGSIZE                    CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_MEMTEST_START               0x00100000
+#define CONFIG_SYS_MEMTEST_END                 0x01000000
+#define CONFIG_SYS_LOAD_ADDR                   0x100000
+#define CONFIG_SYS_HZ                          1000
+#define CONFIG_SYS_X86_ISR_TIMER
+
+/*-----------------------------------------------------------------------
+ * SDRAM Configuration
+ */
+#define CONFIG_NR_DRAM_BANKS                   4
+
+/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
+#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
+#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
+#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
+#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
+
+/*-----------------------------------------------------------------------
+ * CPU Features
+ */
+
+#define CONFIG_SYS_GENERIC_TIMER
+#define CONFIG_SYS_PCAT_INTERRUPTS
+#define CONFIG_SYS_NUM_IRQS                    16
+
+/*-----------------------------------------------------------------------
+ * Memory organization:
+ * 32kB Stack
+ * 16kB Cache-As-RAM @ 0x19200000
+ * 256kB Monitor
+ * (128kB + Environment Sector Size) malloc pool
+ */
+#define CONFIG_SYS_STACK_SIZE                  (32 * 1024)
+#define CONFIG_SYS_INIT_SP_ADDR                (256 * 1024 + 16 * 1024)
+#define CONFIG_SYS_MONITOR_BASE                CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_MONITOR_LEN                 (256 * 1024)
+#define CONFIG_SYS_MALLOC_LEN                  (0x20000 + 128 * 1024)
+/* Address of temporary Global Data */
+#define CONFIG_SYS_INIT_GD_ADDR                (256 * 1024)
+
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/*-----------------------------------------------------------------------
+ * FLASH configuration
+ */
+#define CONFIG_SYS_NO_FLASH
+#undef CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_MAX_FLASH_SECT              1
+#define CONFIG_SYS_MAX_FLASH_BANKS             1
+
+/*-----------------------------------------------------------------------
+ * Environment configuration
+ */
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE                        0x01000
+
+/*-----------------------------------------------------------------------
+ * PCI configuration
+ */
+#define CONFIG_PCI
+
+/*-----------------------------------------------------------------------
+ * Network device support
+ */
+#define CONFIG_NET_MULTI
+
+
+#endif /* __CONFIG_H */

diff --git a/include/serial.h b/include/serial.h
index fbc1036..a298a0b 100644 (file)
--- a/include/serial.h
+++ b/include/serial.h
@@ -32,7 +32,7 @@ extern struct serial_device *default_serial_console(void);
        defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \
        defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
        defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
-       defined(CONFIG_TEGRA2)
+       defined(CONFIG_TEGRA2) || defined(CONFIG_SYS_COREBOOT)
 extern struct serial_device serial0_device;
 extern struct serial_device serial1_device;
 #if defined(CONFIG_SYS_NS16550_SERIAL)