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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 secunet Security Networks AG
*
* 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.
*/
#include <console/console.h>
#include <southbridge/intel/common/gpio.h>
#include <northbridge/intel/gm45/gm45.h>
#include <drivers/lenovo/hybrid_graphics/hybrid_graphics.h>
static void hybrid_graphics_init(sysinfo_t *sysinfo)
{
bool peg, igd;
early_hybrid_graphics(&igd, &peg);
sysinfo->enable_igd = igd;
sysinfo->enable_peg = peg;
}
void get_mb_spd_addrmap(u8 *spd_addrmap)
{
spd_addrmap[0] = 0x50;
spd_addrmap[2] = 0x51;
}
void mb_pre_raminit_setup(sysinfo_t *sysinfo)
{
if (CONFIG(BOARD_LENOVO_R500)) {
int use_integrated = get_gpio(21);
printk(BIOS_DEBUG, "R500 variant found with an %s GPU\n",
use_integrated ? "integrated" : "discrete");
if (use_integrated) {
sysinfo->enable_igd = 1;
sysinfo->enable_peg = 0;
} else {
sysinfo->enable_igd = 0;
sysinfo->enable_peg = 1;
}
} else {
hybrid_graphics_init(sysinfo);
}
}
void mb_post_raminit_setup(void)
{
/* FIXME: make a proper SMBUS mux support. */
/* Set the SMBUS mux to the eeprom */
set_gpio(42, GPIO_LEVEL_LOW);
}
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