/* * PCI support for SBS Palomar IV * * Author: Dan Cox * * 2002 (c) MontaVista, Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/pci.h> #include <asm/byteorder.h> #include <asm/machdep.h> #include <asm/io.h> #include <asm/pci-bridge.h> #include <asm/uaccess.h> #include <syslib/cpc700.h> #include "pal4.h" /* not much to this.... */ static inline int __init pal4_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) { if (idsel == 9) return PAL4_ETH; else return PAL4_INTA + (idsel - 3); } void __init pal4_find_bridges(void) { struct pci_controller *hose; hose = pcibios_alloc_controller(); if (!hose) return; hose->first_busno = 0; hose->last_busno = 0xff; hose->pci_mem_offset = 0; /* Could snatch these from the CPC700.... */ pci_init_resource(&hose->io_resource, 0x0, 0x03ffffff, IORESOURCE_IO, "PCI host bridge"); pci_init_resource(&hose->mem_resources[0], 0x90000000, 0x9fffffff, IORESOURCE_MEM, "PCI host bridge"); hose->io_space.start = 0x00800000; hose->io_space.end = 0x03ffffff; hose->mem_space.start = 0x90000000; hose->mem_space.end = 0x9fffffff; hose->io_base_virt = (void *) 0xf8000000; setup_indirect_pci(hose, CPC700_PCI_CONFIG_ADDR, CPC700_PCI_CONFIG_DATA); hose->last_busno = pciauto_bus_scan(hose, hose->first_busno); ppc_md.pci_swizzle = common_swizzle; ppc_md.pci_map_irq = pal4_map_irq; }