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author | Hannah Williams <hannah.williams@intel.com> | 2016-02-11 13:46:28 -0800 |
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committer | Aaron Durbin <adurbin@chromium.org> | 2016-04-30 02:34:29 +0200 |
commit | 733b39aed4b12aa1e6ec5b4b7db9bb48ba88e015 (patch) | |
tree | 98f3a814ab9335f2063c3fc7673e6f8c96dc90af /src/soc/intel/apollolake/pmc.c | |
parent | 80a3df260767a6d9ad34b61572d483579c21476c (diff) | |
download | coreboot-733b39aed4b12aa1e6ec5b4b7db9bb48ba88e015.tar.xz |
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>
Diffstat (limited to 'src/soc/intel/apollolake/pmc.c')
-rw-r--r-- | src/soc/intel/apollolake/pmc.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/pmc.c b/src/soc/intel/apollolake/pmc.c new file mode 100644 index 0000000000..0251e7cf61 --- /dev/null +++ b/src/soc/intel/apollolake/pmc.c @@ -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, +}; + + |