/* * (C) Copyright 2002 ELTEC Elektronik AG * Frank Gottschling <fgottschling@eltec.de> * * See file CREDITS for list of people who contributed to this * project. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * PCI initialisation for the MPC10x. */ #include <common.h> #include <pci.h> #include <mpc106.h> #ifdef CONFIG_PCI struct pci_controller local_hose; void pci_init_board(void) { struct pci_controller* hose = (struct pci_controller *)&local_hose; u16 reg16; hose->first_busno = 0; hose->last_busno = 0xff; pci_set_region(hose->regions + 0, CFG_PCI_MEMORY_BUS, CFG_PCI_MEMORY_PHYS, CFG_PCI_MEMORY_SIZE, PCI_REGION_MEM | PCI_REGION_MEMORY); /* PCI memory space */ pci_set_region(hose->regions + 1, CFG_PCI_MEM_BUS, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_SIZE, PCI_REGION_MEM); /* ISA/PCI memory space */ pci_set_region(hose->regions + 2, CFG_ISA_MEM_BUS, CFG_ISA_MEM_PHYS, CFG_ISA_MEM_SIZE, PCI_REGION_MEM); /* PCI I/O space */ pci_set_region(hose->regions + 3, CFG_PCI_IO_BUS, CFG_PCI_IO_PHYS, CFG_PCI_IO_SIZE, PCI_REGION_IO); /* ISA/PCI I/O space */ pci_set_region(hose->regions + 4, CFG_ISA_IO_BUS, CFG_ISA_IO_PHYS, CFG_ISA_IO_SIZE, PCI_REGION_IO); hose->region_count = 5; pci_setup_indirect(hose, MPC106_REG_ADDR, MPC106_REG_DATA); pci_register_hose(hose); hose->last_busno = pci_hose_scan(hose); /* Initialises the MPC10x PCI Configuration regs. */ pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); /* Clear non-reserved bits in status register */ pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); } #endif /* CONFIG_PCI */