mirror of
https://github.com/fail0verflow/switch-coreboot.git
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791e590dea
* fix malloc.c warnings * add PCI_BUS_SEGN_BITS to pci.h Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@92 f3766cd6-281f-0410-b1cd-43a5c92072e9
70 lines
2 KiB
C
70 lines
2 KiB
C
/*
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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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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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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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/* (c) 2005 Linux Networx GPL see COPYING for details */
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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 <device/agp.h>
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static void agp_tune_dev(device_t dev)
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{
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unsigned cap;
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cap = pci_find_capability(dev, PCI_CAP_ID_AGP);
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if (!cap) {
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return;
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}
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/* The OS is responsible for AGP tuning so do nothing here */
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}
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unsigned int agp_scan_bus(struct bus *bus,
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unsigned min_devfn, unsigned max_devfn, unsigned int max)
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{
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device_t child;
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max = pci_scan_bus(bus, min_devfn, max_devfn, max);
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for(child = bus->children; child; child = child->sibling) {
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if ( (child->path.u.pci.devfn < min_devfn) ||
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(child->path.u.pci.devfn > max_devfn))
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{
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continue;
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}
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agp_tune_dev(child);
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}
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return max;
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}
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unsigned int agp_scan_bridge(device_t dev, unsigned int max)
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{
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return do_pci_scan_bridge(dev, max, agp_scan_bus);
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}
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/** Default device operations for AGP bridges */
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static struct pci_operations agp_bus_ops_pci = {
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.set_subsystem = 0,
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};
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struct device_operations default_agp_ops_bus = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.init = 0,
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.scan_bus = agp_scan_bridge,
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.enable = 0,
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.reset_bus = pci_bus_reset,
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.ops_pci = &agp_bus_ops_pci,
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};
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