coreboot-kgpe-d16/src/soc/intel/quark/gpio_i2c.c
Lee Leahy a5258cba6f soc/intel/quark: Split I2C out from driver
Split out the I2C code to allow I2C transactions during early romstage.

TEST=Build and run on Galileo Gen2

Change-Id: I87ceb0a8cf660e4337738b3bcde9d4fdeae0159d
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15007
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
2016-05-31 22:07:49 +02:00

43 lines
1.3 KiB
C

/*
* 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 <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/i2c.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <soc/i2c.h>
#include <soc/ramstage.h>
#include <soc/reg_access.h>
__attribute__((weak)) void mainboard_gpio_i2c_init(device_t dev)
{
/* Initialize any of the GPIOs or I2C devices */
printk(BIOS_SPEW, "WEAK; mainboard_gpio_i2c_init\n");
}
static struct device_operations device_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = mainboard_gpio_i2c_init,
};
static const struct pci_driver gfx_driver __pci_driver = {
.ops = &device_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = I2CGPIO_DEVID,
};