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
71 lines
2.3 KiB
C
71 lines
2.3 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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#include <console/console.h>
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#include <arch/pciconf.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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static struct bus *get_pbus(device_t dev)
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{
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struct bus *pbus = dev->bus;
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while(pbus && pbus->dev && !ops_pci_bus(pbus)) {
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pbus = pbus->dev->bus;
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}
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if (!pbus || !pbus->dev || !pbus->dev->ops || !pbus->dev->ops->ops_pci_bus) {
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printk_alert("%s Cannot find pci bus operations", dev_path(dev));
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die("");
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for(;;);
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}
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return pbus;
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}
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uint8_t pci_read_config8(device_t dev, unsigned where)
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{
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struct bus *pbus = get_pbus(dev);
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return ops_pci_bus(pbus)->read8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
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}
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uint16_t pci_read_config16(device_t dev, unsigned where)
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{
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struct bus *pbus = get_pbus(dev);
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return ops_pci_bus(pbus)->read16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
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}
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uint32_t pci_read_config32(device_t dev, unsigned where)
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{
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struct bus *pbus = get_pbus(dev);
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return ops_pci_bus(pbus)->read32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
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}
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void pci_write_config8(device_t dev, unsigned where, uint8_t val)
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{
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struct bus *pbus = get_pbus(dev);
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ops_pci_bus(pbus)->write8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
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}
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void pci_write_config16(device_t dev, unsigned where, uint16_t val)
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{
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struct bus *pbus = get_pbus(dev);
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ops_pci_bus(pbus)->write16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
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}
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void pci_write_config32(device_t dev, unsigned where, uint32_t val)
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{
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struct bus *pbus = get_pbus(dev);
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ops_pci_bus(pbus)->write32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
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}
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