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 37static 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 53static struct ks8695_pci_cfg __initdata dsm320_pci = { 54 .mode = KS8695_MODE_MINIPCI, 55 .map_irq = dsm320_pci_map_irq, 56}; 57 58static 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 70static inline void __init dsm320_register_pci(void) { } 71#endif 72 73static struct physmap_flash_data dsm320_nor_pdata = { 74 .width = 4, 75 .nr_parts = 0, 76}; 77 78static 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 88static 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 98void __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 107static 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 122MACHINE_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, 131MACHINE_END 132