| Daniel Silverstone | 6174dee | 2008-12-13 20:44:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-ks8695/board-dsm320.c |
| 3 | * |
| 4 | * DSM-320 D-Link Wireless Media Player, board support. |
| 5 | * |
| 6 | * Copyright 2008 Simtec Electronics |
| 7 | * Daniel Silverstone <dsilvers@simtec.co.uk> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/types.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/init.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | |
| 20 | #include <linux/mtd/mtd.h> |
| 21 | #include <linux/mtd/map.h> |
| 22 | #include <linux/mtd/physmap.h> |
| 23 | #include <linux/mtd/partitions.h> |
| 24 | |
| 25 | #include <asm/mach-types.h> |
| 26 | |
| 27 | #include <asm/mach/arch.h> |
| 28 | #include <asm/mach/map.h> |
| 29 | #include <asm/mach/irq.h> |
| 30 | |
| 31 | #include <mach/devices.h> |
| 32 | #include <mach/gpio.h> |
| 33 | |
| 34 | #include "generic.h" |
| 35 | |
| 36 | #ifdef CONFIG_PCI |
| 37 | static int dsm320_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
| 38 | { |
| 39 | switch (slot) { |
| 40 | case 0: |
| 41 | /* PCI-AHB bridge? */ |
| 42 | return KS8695_IRQ_EXTERN0; |
| 43 | case 18: |
| 44 | /* Mini PCI slot */ |
| 45 | return KS8695_IRQ_EXTERN2; |
| 46 | case 20: |
| 47 | /* RealMAGIC chip */ |
| 48 | return KS8695_IRQ_EXTERN0; |
| 49 | } |
| 50 | BUG(); |
| 51 | } |
| 52 | |
| 53 | static struct ks8695_pci_cfg __initdata dsm320_pci = { |
| 54 | .mode = KS8695_MODE_MINIPCI, |
| 55 | .map_irq = dsm320_pci_map_irq, |
| 56 | }; |
| 57 | |
| 58 | static void __init dsm320_register_pci(void) |
| 59 | { |
| 60 | /* Initialise the GPIO lines for interrupt mode */ |
| 61 | /* RealMAGIC */ |
| 62 | ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW); |
| 63 | /* MiniPCI Slot */ |
| 64 | ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW); |
| 65 | |
| 66 | ks8695_init_pci(&dsm320_pci); |
| 67 | } |
| 68 | |
| 69 | #else |
| 70 | static inline void __init dsm320_register_pci(void) { } |
| 71 | #endif |
| 72 | |
| 73 | static struct physmap_flash_data dsm320_nor_pdata = { |
| 74 | .width = 4, |
| 75 | .nr_parts = 0, |
| 76 | }; |
| 77 | |
| 78 | static struct resource dsm320_nor_resource[] = { |
| 79 | [0] = { |
| 80 | .start = SZ_32M, /* We expect the bootloader to map |
| 81 | * the flash here. |
| 82 | */ |
| 83 | .end = SZ_32M + SZ_4M - 1, |
| 84 | .flags = IORESOURCE_MEM, |
| 85 | } |
| 86 | }; |
| 87 | |
| 88 | static struct platform_device dsm320_device_nor = { |
| 89 | .name = "physmap-flash", |
| 90 | .id = -1, |
| 91 | .num_resources = ARRAY_SIZE(dsm320_nor_resource), |
| 92 | .resource = dsm320_nor_resource, |
| 93 | .dev = { |
| 94 | .platform_data = &dsm320_nor_pdata, |
| 95 | }, |
| 96 | }; |
| 97 | |
| 98 | void __init dsm320_register_nor(void) |
| 99 | { |
| 100 | int ret; |
| 101 | |
| 102 | ret = platform_device_register(&dsm320_device_nor); |
| 103 | if (ret < 0) |
| 104 | printk(KERN_ERR "failed to register physmap-flash device\n"); |
| 105 | } |
| 106 | |
| 107 | static void __init dsm320_init(void) |
| 108 | { |
| 109 | /* GPIO registration */ |
| 110 | ks8695_register_gpios(); |
| 111 | |
| 112 | /* PCI registration */ |
| 113 | dsm320_register_pci(); |
| 114 | |
| 115 | /* Network device */ |
| 116 | ks8695_add_device_lan(); /* eth0 = LAN */ |
| 117 | |
| 118 | /* NOR devices */ |
| 119 | dsm320_register_nor(); |
| 120 | } |
| 121 | |
| 122 | MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player") |
| 123 | /* Maintainer: Simtec Electronics. */ |
| 124 | .phys_io = KS8695_IO_PA, |
| 125 | .io_pg_offst = (KS8695_IO_VA >> 18) & 0xfffc, |
| 126 | .boot_params = KS8695_SDRAM_PA + 0x100, |
| 127 | .map_io = ks8695_map_io, |
| 128 | .init_irq = ks8695_init_irq, |
| 129 | .init_machine = dsm320_init, |
| 130 | .timer = &ks8695_timer, |
| 131 | MACHINE_END |