130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
/*
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* arch/arm/mach-ks8695/board-dsm320.c
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*
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* DSM-320 D-Link Wireless Media Player, board support.
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*
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* Copyright 2008 Simtec Electronics
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* Daniel Silverstone <dsilvers@simtec.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/partitions.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/devices.h>
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#include <mach/gpio-ks8695.h>
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#include "generic.h"
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#ifdef CONFIG_PCI
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static int dsm320_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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switch (slot) {
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case 0:
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/* PCI-AHB bridge? */
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return KS8695_IRQ_EXTERN0;
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case 18:
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/* Mini PCI slot */
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return KS8695_IRQ_EXTERN2;
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case 20:
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/* RealMAGIC chip */
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return KS8695_IRQ_EXTERN0;
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}
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BUG();
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}
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static struct ks8695_pci_cfg __initdata dsm320_pci = {
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.mode = KS8695_MODE_MINIPCI,
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.map_irq = dsm320_pci_map_irq,
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};
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static void __init dsm320_register_pci(void)
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{
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/* Initialise the GPIO lines for interrupt mode */
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/* RealMAGIC */
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ks8695_gpio_interrupt(KS8695_GPIO_0, IRQ_TYPE_LEVEL_LOW);
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/* MiniPCI Slot */
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ks8695_gpio_interrupt(KS8695_GPIO_2, IRQ_TYPE_LEVEL_LOW);
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ks8695_init_pci(&dsm320_pci);
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}
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#else
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static inline void __init dsm320_register_pci(void) { }
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#endif
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static struct physmap_flash_data dsm320_nor_pdata = {
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.width = 4,
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.nr_parts = 0,
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};
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static struct resource dsm320_nor_resource[] = {
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[0] = {
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.start = SZ_32M, /* We expect the bootloader to map
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* the flash here.
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*/
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.end = SZ_32M + SZ_4M - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device dsm320_device_nor = {
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.name = "physmap-flash",
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.id = -1,
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.num_resources = ARRAY_SIZE(dsm320_nor_resource),
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.resource = dsm320_nor_resource,
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.dev = {
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.platform_data = &dsm320_nor_pdata,
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},
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};
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void __init dsm320_register_nor(void)
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{
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int ret;
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ret = platform_device_register(&dsm320_device_nor);
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if (ret < 0)
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printk(KERN_ERR "failed to register physmap-flash device\n");
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}
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static void __init dsm320_init(void)
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{
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/* GPIO registration */
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ks8695_register_gpios();
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/* PCI registration */
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dsm320_register_pci();
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/* Network device */
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ks8695_add_device_lan(); /* eth0 = LAN */
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/* NOR devices */
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dsm320_register_nor();
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}
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MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")
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/* Maintainer: Simtec Electronics. */
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.boot_params = KS8695_SDRAM_PA + 0x100,
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.map_io = ks8695_map_io,
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.init_irq = ks8695_init_irq,
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.init_machine = dsm320_init,
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.timer = &ks8695_timer,
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MACHINE_END
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