| Heiko Schocher | f5e0d03 | 2006-06-19 11:02:41 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 ELTEC Elektronik AG |
| 3 | * Frank Gottschling <fgottschling@eltec.de> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * PCI initialisation for the MPC10x. |
| 26 | */ |
| 27 | |
| 28 | #include <common.h> |
| 29 | #include <pci.h> |
| 30 | #include <mpc106.h> |
| 31 | |
| 32 | #ifdef CONFIG_PCI |
| 33 | |
| 34 | struct pci_controller local_hose; |
| 35 | |
| 36 | void pci_init_board(void) |
| 37 | { |
| 38 | struct pci_controller* hose = (struct pci_controller *)&local_hose; |
| 39 | u16 reg16; |
| 40 | |
| 41 | hose->first_busno = 0; |
| 42 | hose->last_busno = 0xff; |
| 43 | |
| 44 | pci_set_region(hose->regions + 0, |
| 45 | CFG_PCI_MEMORY_BUS, |
| 46 | CFG_PCI_MEMORY_PHYS, |
| 47 | CFG_PCI_MEMORY_SIZE, |
| 48 | PCI_REGION_MEM | PCI_REGION_MEMORY); |
| 49 | |
| 50 | /* PCI memory space */ |
| 51 | pci_set_region(hose->regions + 1, |
| 52 | CFG_PCI_MEM_BUS, |
| 53 | CFG_PCI_MEM_PHYS, |
| 54 | CFG_PCI_MEM_SIZE, |
| 55 | PCI_REGION_MEM); |
| 56 | |
| 57 | /* ISA/PCI memory space */ |
| 58 | pci_set_region(hose->regions + 2, |
| 59 | CFG_ISA_MEM_BUS, |
| 60 | CFG_ISA_MEM_PHYS, |
| 61 | CFG_ISA_MEM_SIZE, |
| 62 | PCI_REGION_MEM); |
| 63 | |
| 64 | /* PCI I/O space */ |
| 65 | pci_set_region(hose->regions + 3, |
| 66 | CFG_PCI_IO_BUS, |
| 67 | CFG_PCI_IO_PHYS, |
| 68 | CFG_PCI_IO_SIZE, |
| 69 | PCI_REGION_IO); |
| 70 | |
| 71 | /* ISA/PCI I/O space */ |
| 72 | pci_set_region(hose->regions + 4, |
| 73 | CFG_ISA_IO_BUS, |
| 74 | CFG_ISA_IO_PHYS, |
| 75 | CFG_ISA_IO_SIZE, |
| 76 | PCI_REGION_IO); |
| 77 | |
| 78 | hose->region_count = 5; |
| 79 | |
| 80 | pci_setup_indirect(hose, |
| 81 | MPC106_REG_ADDR, |
| 82 | MPC106_REG_DATA); |
| 83 | |
| 84 | pci_register_hose(hose); |
| 85 | |
| 86 | hose->last_busno = pci_hose_scan(hose); |
| 87 | |
| 88 | /* Initialises the MPC10x PCI Configuration regs. */ |
| 89 | pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); |
| 90 | reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; |
| 91 | pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); |
| 92 | |
| 93 | /* Clear non-reserved bits in status register */ |
| 94 | pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); |
| 95 | } |
| 96 | |
| 97 | #endif /* CONFIG_PCI */ |