projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 37663860 | 21 | #include <linux/dma-mapping.h> |
| 27dd65ac | 22 | #include <linux/init.h> |
| 7517de34 | 23 | #include <linux/platform_device.h> |
| 27dd65ac | 24 | #include <asm/mach-au1x00/au1000.h> |
| 37663860 | 25 | #include <asm/mach-au1x00/au1xxx_dbdma.h> |
| 27dd65ac | 26 | #include <asm/mach-pb1x00/pb1550.h> |
| 206aa6cd | 27 | #include <asm/mach-db1x00/bcsr.h> |
| 27dd65ac ML |
28 | |
| 29 | #include "../platform.h" | |
| 30 | ||
| 7517de34 ML |
31 | static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin) |
| 32 | { | |
| 33 | if ((slot < 12) || (slot > 13) || pin == 0) | |
| 34 | return -1; | |
| 35 | if (slot == 12) { | |
| 36 | switch (pin) { | |
| 37 | case 1: return AU1500_PCI_INTB; | |
| 38 | case 2: return AU1500_PCI_INTC; | |
| 39 | case 3: return AU1500_PCI_INTD; | |
| 40 | case 4: return AU1500_PCI_INTA; | |
| 41 | } | |
| 42 | } | |
| 43 | if (slot == 13) { | |
| 44 | switch (pin) { | |
| 45 | case 1: return AU1500_PCI_INTA; | |
| 46 | case 2: return AU1500_PCI_INTB; | |
| 47 | case 3: return AU1500_PCI_INTC; | |
| 48 | case 4: return AU1500_PCI_INTD; | |
| 49 | } | |
| 50 | } | |
| 51 | return -1; | |
| 52 | } | |
| 53 | ||
| 54 | static struct resource alchemy_pci_host_res[] = { | |
| 55 | [0] = { | |
| 56 | .start = AU1500_PCI_PHYS_ADDR, | |
| 57 | .end = AU1500_PCI_PHYS_ADDR + 0xfff, | |
| 58 | .flags = IORESOURCE_MEM, | |
| 59 | }, | |
| 60 | }; | |
| 61 | ||
| 62 | static struct alchemy_pci_platdata pb1550_pci_pd = { | |
| 63 | .board_map_irq = pb1550_map_pci_irq, | |
| 64 | }; | |
| 65 | ||
| 66 | static struct platform_device pb1550_pci_host = { | |
| 67 | .dev.platform_data = &pb1550_pci_pd, | |
| 68 | .name = "alchemy-pci", | |
| 69 | .id = 0, | |
| 70 | .num_resources = ARRAY_SIZE(alchemy_pci_host_res), | |
| 71 | .resource = alchemy_pci_host_res, | |
| 72 | }; | |
| 73 | ||
| 37663860 ML |
74 | static struct resource au1550_psc2_res[] = { |
| 75 | [0] = { | |
| 76 | .start = AU1550_PSC2_PHYS_ADDR, | |
| 77 | .end = AU1550_PSC2_PHYS_ADDR + 0xfff, | |
| 78 | .flags = IORESOURCE_MEM, | |
| 79 | }, | |
| 80 | [1] = { | |
| 81 | .start = AU1550_PSC2_INT, | |
| 82 | .end = AU1550_PSC2_INT, | |
| 83 | .flags = IORESOURCE_IRQ, | |
| 84 | }, | |
| 85 | [2] = { | |
| 86 | .start = AU1550_DSCR_CMD0_PSC2_TX, | |
| 87 | .end = AU1550_DSCR_CMD0_PSC2_TX, | |
| 88 | .flags = IORESOURCE_DMA, | |
| 89 | }, | |
| 90 | [3] = { | |
| 91 | .start = AU1550_DSCR_CMD0_PSC2_RX, | |
| 92 | .end = AU1550_DSCR_CMD0_PSC2_RX, | |
| 93 | .flags = IORESOURCE_DMA, | |
| 94 | }, | |
| 95 | }; | |
| 96 | ||
| 97 | static struct platform_device pb1550_i2c_dev = { | |
| 98 | .name = "au1xpsc_smbus", | |
| 99 | .id = 0, /* bus number */ | |
| 100 | .num_resources = ARRAY_SIZE(au1550_psc2_res), | |
| 101 | .resource = au1550_psc2_res, | |
| 102 | }; | |
| 103 | ||
| 27dd65ac ML |
104 | static int __init pb1550_dev_init(void) |
| 105 | { | |
| 206aa6cd ML |
106 | int swapped; |
| 107 | ||
| 27dd65ac ML |
108 | /* Pb1550, like all others, also has statuschange irqs; however they're |
| 109 | * wired up on one of the Au1550's shared GPIO201_205 line, which also | |
| 110 | * services the PCMCIA card interrupts. So we ignore statuschange and | |
| 111 | * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia | |
| 112 | * drivers are used to shared irqs and b) statuschange isn't really use- | |
| 113 | * ful anyway. | |
| 114 | */ | |
| 7cc2e272 ML |
115 | db1x_register_pcmcia_socket( |
| 116 | AU1000_PCMCIA_ATTR_PHYS_ADDR, | |
| 117 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, | |
| 118 | AU1000_PCMCIA_MEM_PHYS_ADDR, | |
| 119 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, | |
| 120 | AU1000_PCMCIA_IO_PHYS_ADDR, | |
| 121 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, | |
| 122 | AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0); | |
| 123 | ||
| 124 | db1x_register_pcmcia_socket( | |
| 125 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000, | |
| 126 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1, | |
| 127 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008000000, | |
| 128 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1, | |
| 129 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x008000000, | |
| 130 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1, | |
| 131 | AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1); | |
| 27dd65ac | 132 | |
| 206aa6cd ML |
133 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT; |
| 134 | db1x_register_norflash(128 * 1024 * 1024, 4, swapped); | |
| 7517de34 | 135 | platform_device_register(&pb1550_pci_host); |
| 37663860 | 136 | platform_device_register(&pb1550_i2c_dev); |
| 206aa6cd | 137 | |
| 27dd65ac ML |
138 | return 0; |
| 139 | } | |
| 7517de34 | 140 | arch_initcall(pb1550_dev_init); |