54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2013 Google Inc.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <baytrail/iosf.h>
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#include <baytrail/ramstage.h>
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static void lpe_init(device_t dev)
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{
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uint32_t reg;
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/* Work around for Audio Clock. */
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reg = iosf_ccu_read(PLT_CLK_CTRL_3);
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reg &= ~0xff;
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reg |= PLT_CLK_CTRL_25MHZ_FREQ | PLT_CLK_CTRL_SELECT_FREQ;
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iosf_ccu_write(PLT_CLK_CTRL_3, reg);
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}
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static const 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 = NULL,
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.init = lpe_init,
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.enable = NULL,
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.scan_bus = NULL,
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.ops_pci = &soc_pci_ops,
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};
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static const struct pci_driver southcluster __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = LPE_DEVID,
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};
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