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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corporation
*
* 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 <bootstate.h>
#include <console/console.h>
#include <device/i2c.h>
#include <soc/ramstage.h>
#include <variant/gpio.h>
void mainboard_silicon_init_params(FSP_SIL_UPD *params)
{
/* Configure pads prior to SiliconInit() in case there's any
* dependencies during hardware initialization. */
gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
params->CdClock = 3;
}
static void ioexpander_init(void *unused)
{
printk(BIOS_DEBUG, "Programming TCA6424A I/O expander\n");
/* I/O Expander 1, Port 0 Data */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P0DOUT,
0xF7);
/* Port 0 Configuration */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P0CONF,
0xE0);
/* Port 1 Data */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P1DOUT,
0x9E);
/* Port 1 Configuration */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P1CONF,
0x8C);
/* Port 2 Data */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P2DOUT,
0xDA);
/* Port 2 Configuration */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P2CONF,
0x08);
/* I/O Expander 2, Port 0 Data */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_1_ADDR, IO_EXPANDER_P0DOUT,
0xFF);
/* Port 0 Configuration */
i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_1_ADDR, IO_EXPANDER_P0CONF,
0x00);
}
BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, ioexpander_init, NULL);
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