soc/apollolake: Prevent PMC BAR reassignment during resource allocation
Change-Id: Ie8e21e62ecd25f3c620a57c24948411c14c1e111 Signed-off-by: Hannah Williams <hannah.williams@intel.com> Reviewed-on: https://review.coreboot.org/14315 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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@ -45,6 +45,7 @@ ramstage-y += northbridge.c
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ramstage-y += spi.c
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ramstage-y += tsc_freq.c
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ramstage-y += pmutil.c
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ramstage-y += pmc.c
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postcar-y += exit_car.S
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postcar-y += memmap.c
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@ -21,6 +21,7 @@
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#define PCI_DEVICE_ID_APOLLOLAKE_NB 0x5af0 /* 00:00.0 */
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#define PCI_DEVICE_ID_APOLLOLAKE_IGD 0x5a84 /* 00:02.0 */
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#define PCI_DEVICE_ID_APOLLOLAKE_P2SB 0x5a92 /* 00:0d.0 */
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#define PCI_DEVICE_ID_APOLLOLAKE_PMC 0x5a94 /* 00:0d.1 */
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#define PCI_DEVICE_ID_APOLLOLAKE_HWSEQ_SPI 0x5a96 /* 00:0d.2 */
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#define PCI_DEVICE_ID_APOLLOLAKE_AUDIO 0x5a98 /* 00:0e.0 */
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#define PCI_DEVICE_ID_APOLLOLAKE_SATA 0x5ae0 /* 00:12.0 */
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@ -0,0 +1,58 @@
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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) 2015-2016 Intel Corp.
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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; either version 2 of the License, or
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* (at your option) any later version.
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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 <cpu/cpu.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 <soc/iomap.h>
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#include <soc/pci_ids.h>
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static void pmc_init(device_t dev)
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{
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printk(BIOS_SPEW, "%s/%s ( %s )\n",
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__FILE__, __func__, dev_name(dev));
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}
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static void pmc_read_resources(device_t dev)
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{
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struct resource *res;
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mmio_resource(dev, PCI_BASE_ADDRESS_0, PMC_BAR0/KiB, 1);
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mmio_resource(dev, PCI_BASE_ADDRESS_2, PMC_BAR1/KiB, 2);
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res = new_resource(dev, PCI_BASE_ADDRESS_4);
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res->base = ACPI_PMIO_BASE;
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res->size = KiB;
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res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
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}
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static const struct device_operations device_ops = {
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.read_resources = pmc_read_resources,
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.set_resources = DEVICE_NOOP,
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.enable_resources = DEVICE_NOOP,
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.init = pmc_init,
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.enable = DEVICE_NOOP,
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};
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static const struct pci_driver pmc __pci_driver = {
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.ops = &device_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_APOLLOLAKE_PMC,
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};
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