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soc/apollolake: Prevent PMC BAR reassignment during resource allocation

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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>
This commit is contained in:
Hannah Williams 2016-02-11 13:46:28 -08:00 committed by Aaron Durbin
parent 80a3df2607
commit 733b39aed4
3 changed files with 60 additions and 0 deletions
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1
src/soc/intel/apollolake/Makefile.inc
View file

@ -45,6 +45,7 @@ ramstage-y += northbridge.c
ramstage-y += spi.c
ramstage-y += tsc_freq.c
ramstage-y += pmutil.c
ramstage-y += pmc.c
postcar-y += exit_car.S
postcar-y += memmap.c

1
src/soc/intel/apollolake/include/soc/pci_ids.h
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@ -21,6 +21,7 @@
#define PCI_DEVICE_ID_APOLLOLAKE_NB 0x5af0 /* 00:00.0 */
#define PCI_DEVICE_ID_APOLLOLAKE_IGD 0x5a84 /* 00:02.0 */
#define PCI_DEVICE_ID_APOLLOLAKE_P2SB 0x5a92 /* 00:0d.0 */
#define PCI_DEVICE_ID_APOLLOLAKE_PMC 0x5a94 /* 00:0d.1 */
#define PCI_DEVICE_ID_APOLLOLAKE_HWSEQ_SPI 0x5a96 /* 00:0d.2 */
#define PCI_DEVICE_ID_APOLLOLAKE_AUDIO 0x5a98 /* 00:0e.0 */
#define PCI_DEVICE_ID_APOLLOLAKE_SATA 0x5ae0 /* 00:12.0 */

58
src/soc/intel/apollolake/pmc.c Normal file
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@ -0,0 +1,58 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015-2016 Intel Corp.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <cpu/cpu.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <soc/iomap.h>
#include <soc/pci_ids.h>
static void pmc_init(device_t dev)
{
printk(BIOS_SPEW, "%s/%s ( %s )\n",
__FILE__, __func__, dev_name(dev));
}
static void pmc_read_resources(device_t dev)
{
struct resource *res;
mmio_resource(dev, PCI_BASE_ADDRESS_0, PMC_BAR0/KiB, 1);
mmio_resource(dev, PCI_BASE_ADDRESS_2, PMC_BAR1/KiB, 2);
res = new_resource(dev, PCI_BASE_ADDRESS_4);
res->base = ACPI_PMIO_BASE;
res->size = KiB;
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static const struct device_operations device_ops = {
.read_resources = pmc_read_resources,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = pmc_init,
.enable = DEVICE_NOOP,
};
static const struct pci_driver pmc __pci_driver = {
.ops = &device_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_APOLLOLAKE_PMC,
};