upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/chromebook-x86/coreboot/coreboot.c

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/*
* 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>
#include <asm/arch-coreboot/tables.h>
#include <asm/arch-coreboot/sysinfo.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
/*
* Miscellaneous platform dependent initializations
*/
int cpu_init_f(void)
{
int ret = get_coreboot_info(&lib_sysinfo);
if (ret != 0)
printf("Failed to parse coreboot tables.\n");
return ret;
}
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()
{
}