| 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2000, 2001, 04 Keith M Wesolowski |
| 7 | */ |
| 8 | #include <linux/init.h> |
| 9 | #include <linux/kernel.h> |
| 10 | #include <linux/pci.h> |
| 11 | #include <linux/types.h> |
| 12 | |
| 13 | #include <asm/lasat/lasat.h> |
| 14 | |
| 15 | #include <irq.h> |
| 16 | |
| 17 | extern struct pci_ops nile4_pci_ops; |
| 18 | extern struct pci_ops gt64xxx_pci0_ops; |
| 19 | static struct resource lasat_pci_mem_resource = { |
| 20 | .name = "LASAT PCI MEM", |
| 21 | .start = 0x18000000, |
| 22 | .end = 0x19ffffff, |
| 23 | .flags = IORESOURCE_MEM, |
| 24 | }; |
| 25 | |
| 26 | static struct resource lasat_pci_io_resource = { |
| 27 | .name = "LASAT PCI IO", |
| 28 | .start = 0x1a000000, |
| 29 | .end = 0x1bffffff, |
| 30 | .flags = IORESOURCE_IO, |
| 31 | }; |
| 32 | |
| 33 | static struct pci_controller lasat_pci_controller = { |
| 34 | .mem_resource = &lasat_pci_mem_resource, |
| 35 | .io_resource = &lasat_pci_io_resource, |
| 36 | }; |
| 37 | |
| 38 | static int __init lasat_pci_setup(void) |
| 39 | { |
| 40 | printk(KERN_DEBUG "PCI: starting\n"); |
| 41 | |
| 42 | if (IS_LASAT_200()) |
| 43 | lasat_pci_controller.pci_ops = &nile4_pci_ops; |
| 44 | else |
| 45 | lasat_pci_controller.pci_ops = >64xxx_pci0_ops; |
| 46 | |
| 47 | register_pci_controller(&lasat_pci_controller); |
| 48 | |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | arch_initcall(lasat_pci_setup); |
| 53 | |
| 54 | #define LASAT_IRQ_ETH1 (LASAT_IRQ_BASE + 0) |
| 55 | #define LASAT_IRQ_ETH0 (LASAT_IRQ_BASE + 1) |
| 56 | #define LASAT_IRQ_HDC (LASAT_IRQ_BASE + 2) |
| 57 | #define LASAT_IRQ_COMP (LASAT_IRQ_BASE + 3) |
| 58 | #define LASAT_IRQ_HDLC (LASAT_IRQ_BASE + 4) |
| 59 | #define LASAT_IRQ_PCIA (LASAT_IRQ_BASE + 5) |
| 60 | #define LASAT_IRQ_PCIB (LASAT_IRQ_BASE + 6) |
| 61 | #define LASAT_IRQ_PCIC (LASAT_IRQ_BASE + 7) |
| 62 | #define LASAT_IRQ_PCID (LASAT_IRQ_BASE + 8) |
| 63 | |
| 64 | int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 65 | { |
| 66 | switch (slot) { |
| 67 | case 1: |
| 68 | case 2: |
| 69 | case 3: |
| 70 | return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4); |
| 71 | case 4: |
| 72 | return LASAT_IRQ_ETH1; /* Ethernet 1 (LAN 2) */ |
| 73 | case 5: |
| 74 | return LASAT_IRQ_ETH0; /* Ethernet 0 (LAN 1) */ |
| 75 | case 6: |
| 76 | return LASAT_IRQ_HDC; /* IDE controller */ |
| 77 | default: |
| 78 | return 0xff; /* Illegal */ |
| 79 | } |
| 80 | |
| 81 | return -1; |
| 82 | } |
| 83 | |
| 84 | /* Do platform specific device initialization at pci_enable_device() time */ |
| 85 | int pcibios_plat_dev_init(struct pci_dev *dev) |
| 86 | { |
| 87 | return 0; |
| 88 | } |