Commit | Line | Data |
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27dd65ac ML |
1 | /* |
2 | * Pb1550 board platform device registration | |
3 | * | |
4 | * Copyright (C) 2009 Manuel Lauss | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <linux/init.h> | |
7517de34 | 22 | #include <linux/platform_device.h> |
27dd65ac ML |
23 | #include <asm/mach-au1x00/au1000.h> |
24 | #include <asm/mach-pb1x00/pb1550.h> | |
206aa6cd | 25 | #include <asm/mach-db1x00/bcsr.h> |
27dd65ac ML |
26 | |
27 | #include "../platform.h" | |
28 | ||
7517de34 ML |
29 | static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin) |
30 | { | |
31 | if ((slot < 12) || (slot > 13) || pin == 0) | |
32 | return -1; | |
33 | if (slot == 12) { | |
34 | switch (pin) { | |
35 | case 1: return AU1500_PCI_INTB; | |
36 | case 2: return AU1500_PCI_INTC; | |
37 | case 3: return AU1500_PCI_INTD; | |
38 | case 4: return AU1500_PCI_INTA; | |
39 | } | |
40 | } | |
41 | if (slot == 13) { | |
42 | switch (pin) { | |
43 | case 1: return AU1500_PCI_INTA; | |
44 | case 2: return AU1500_PCI_INTB; | |
45 | case 3: return AU1500_PCI_INTC; | |
46 | case 4: return AU1500_PCI_INTD; | |
47 | } | |
48 | } | |
49 | return -1; | |
50 | } | |
51 | ||
52 | static struct resource alchemy_pci_host_res[] = { | |
53 | [0] = { | |
54 | .start = AU1500_PCI_PHYS_ADDR, | |
55 | .end = AU1500_PCI_PHYS_ADDR + 0xfff, | |
56 | .flags = IORESOURCE_MEM, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static struct alchemy_pci_platdata pb1550_pci_pd = { | |
61 | .board_map_irq = pb1550_map_pci_irq, | |
62 | }; | |
63 | ||
64 | static struct platform_device pb1550_pci_host = { | |
65 | .dev.platform_data = &pb1550_pci_pd, | |
66 | .name = "alchemy-pci", | |
67 | .id = 0, | |
68 | .num_resources = ARRAY_SIZE(alchemy_pci_host_res), | |
69 | .resource = alchemy_pci_host_res, | |
70 | }; | |
71 | ||
27dd65ac ML |
72 | static int __init pb1550_dev_init(void) |
73 | { | |
206aa6cd ML |
74 | int swapped; |
75 | ||
27dd65ac ML |
76 | /* Pb1550, like all others, also has statuschange irqs; however they're |
77 | * wired up on one of the Au1550's shared GPIO201_205 line, which also | |
78 | * services the PCMCIA card interrupts. So we ignore statuschange and | |
79 | * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia | |
80 | * drivers are used to shared irqs and b) statuschange isn't really use- | |
81 | * ful anyway. | |
82 | */ | |
7cc2e272 ML |
83 | db1x_register_pcmcia_socket( |
84 | AU1000_PCMCIA_ATTR_PHYS_ADDR, | |
85 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, | |
86 | AU1000_PCMCIA_MEM_PHYS_ADDR, | |
87 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, | |
88 | AU1000_PCMCIA_IO_PHYS_ADDR, | |
89 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, | |
90 | AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0); | |
91 | ||
92 | db1x_register_pcmcia_socket( | |
93 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000, | |
94 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1, | |
95 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008000000, | |
96 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1, | |
97 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x008000000, | |
98 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1, | |
99 | AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1); | |
27dd65ac | 100 | |
206aa6cd ML |
101 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT; |
102 | db1x_register_norflash(128 * 1024 * 1024, 4, swapped); | |
7517de34 | 103 | platform_device_register(&pb1550_pci_host); |
206aa6cd | 104 | |
27dd65ac ML |
105 | return 0; |
106 | } | |
7517de34 | 107 | arch_initcall(pb1550_dev_init); |