/* * This file is part of the coreboot project. * * Copyright (C) 2016-2018 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 #include #include #include #include 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; /* Enable Virtual Channel 1 */ params->PchHdaVcType = 0x1; } static void ioexpander_init(void *unused) { if (CONFIG(BOARD_INTEL_KBLRVP11)) return; 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);