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>
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2016 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <delay.h>
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#include <device/device.h>
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#include <device/i2c.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <soc/i2c.h>
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#include <soc/ramstage.h>
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#include <soc/reg_access.h>
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__attribute__((weak)) void mainboard_gpio_i2c_init(device_t dev)
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{
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/* Initialize any of the GPIOs or I2C devices */
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printk(BIOS_SPEW, "WEAK; mainboard_gpio_i2c_init\n");
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}
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static struct device_operations device_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = mainboard_gpio_i2c_init,
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};
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static const struct pci_driver gfx_driver __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = I2CGPIO_DEVID,
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};
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