drivers/broadcom: Add ASPM blacklist
The Broadcom BCM5751 NIC on a PCIe card will make the computer hang if ASPM gets enabled. Blacklist it. Change-Id: I2cf8d56e9139928a6acfd1d09e47a96b9554fb06 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39193 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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##
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## This file is part of the coreboot project.
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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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ramstage-$(CONFIG_PCIEXP_ASPM) += bcm57xx_aspm_disable.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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* 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 <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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static void bcm57xx_disable_aspm(struct device *const dev)
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{
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printk(BIOS_INFO, "bcm57xx: Disabling ASPM for %s [%04x/%04x]\n",
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dev_path(dev), dev->vendor, dev->device);
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dev->disable_pcie_aspm = 1;
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}
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static struct device_operations bcm57xx_aspm_fixup_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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.enable = bcm57xx_disable_aspm,
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};
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static const unsigned short pci_device_ids[] = {
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0x1677, /* BCM5751 */
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0,
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};
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static const struct pci_driver bcm57xx_aspm_fixup __pci_driver = {
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.ops = &bcm57xx_aspm_fixup_ops,
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.vendor = PCI_VENDOR_ID_BROADCOM,
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.devices = pci_device_ids,
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};
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