]>
Commit | Line | Data |
---|---|---|
355c471f | 1 | /* |
355c471f | 2 | * Copyright (C) NEC Electronics Corporation 2004-2006 |
3 | * | |
4 | * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c | |
5 | * | |
6 | * Copyright 2001 MontaVista Software Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (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, MA 02111-1307 USA | |
21 | */ | |
22 | ||
355c471f | 23 | #include <linux/kernel.h> |
24 | #include <linux/init.h> | |
25 | #include <linux/types.h> | |
26 | #include <linux/pci.h> | |
27 | ||
28 | #include <asm/bootinfo.h> | |
355c471f | 29 | |
d91f2cbe | 30 | #include <asm/emma/emma2rh.h> |
355c471f | 31 | |
32 | static struct resource pci_io_resource = { | |
33 | .name = "pci IO space", | |
34 | .start = EMMA2RH_PCI_IO_BASE, | |
35 | .end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1, | |
36 | .flags = IORESOURCE_IO, | |
37 | }; | |
38 | ||
39 | static struct resource pci_mem_resource = { | |
40 | .name = "pci memory space", | |
41 | .start = EMMA2RH_PCI_MEM_BASE, | |
42 | .end = EMMA2RH_PCI_MEM_BASE + EMMA2RH_PCI_MEM_SIZE - 1, | |
43 | .flags = IORESOURCE_MEM, | |
44 | }; | |
45 | ||
46 | extern struct pci_ops emma2rh_pci_ops; | |
47 | ||
48 | static struct pci_controller emma2rh_pci_controller = { | |
49 | .pci_ops = &emma2rh_pci_ops, | |
50 | .mem_resource = &pci_mem_resource, | |
51 | .io_resource = &pci_io_resource, | |
52 | .mem_offset = -0x04000000, | |
53 | .io_offset = 0, | |
54 | }; | |
55 | ||
56 | static void __init emma2rh_pci_init(void) | |
57 | { | |
58 | /* setup PCI interface */ | |
59 | emma2rh_out32(EMMA2RH_PCI_ARBIT_CTR, 0x70f); | |
60 | ||
61 | emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x80000a18); | |
62 | emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_COMMAND, | |
63 | PCI_STATUS_DEVSEL_MEDIUM | PCI_STATUS_CAP_LIST | | |
64 | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); | |
65 | emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_0, 0x10000000); | |
66 | emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_1, 0x00000000); | |
67 | ||
68 | emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x12000000 | 0x218); | |
69 | emma2rh_out32(EMMA2RH_PCI_IWIN1_CTR, 0x18000000 | 0x600); | |
70 | emma2rh_out32(EMMA2RH_PCI_INIT_ESWP, 0x00000200); | |
71 | ||
72 | emma2rh_out32(EMMA2RH_PCI_TWIN_CTR, 0x00009200); | |
73 | emma2rh_out32(EMMA2RH_PCI_TWIN_BADR, 0x00000000); | |
74 | emma2rh_out32(EMMA2RH_PCI_TWIN0_DADR, 0x00000000); | |
75 | emma2rh_out32(EMMA2RH_PCI_TWIN1_DADR, 0x00000000); | |
76 | } | |
77 | ||
78 | static int __init emma2rh_pci_setup(void) | |
79 | { | |
80 | emma2rh_pci_init(); | |
81 | register_pci_controller(&emma2rh_pci_controller); | |
82 | return 0; | |
83 | } | |
84 | ||
85 | arch_initcall(emma2rh_pci_setup); |