1/* 2 * linux/arch/arm/plat-omap/debug-devices.c 3 * 4 * Copyright (C) 2005 Nokia Corporation 5 * Modified from mach-omap2/board-h4.c 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#include <linux/kernel.h> 13#include <linux/init.h> 14#include <linux/platform_device.h> 15#include <linux/io.h> 16#include <linux/smc91x.h> 17 18#include <mach/hardware.h> 19 20#include <plat/board.h> 21#include <mach/gpio.h> 22 23 24/* Many OMAP development platforms reuse the same "debug board"; these 25 * platforms include H2, H3, H4, and Perseus2. 26 */ 27 28static struct smc91x_platdata smc91x_info = { 29 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, 30 .leda = RPC_LED_100_10, 31 .ledb = RPC_LED_TX_RX, 32}; 33 34static struct resource smc91x_resources[] = { 35 [0] = { 36 .flags = IORESOURCE_MEM, 37 }, 38 [1] = { 39 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, 40 }, 41}; 42 43static struct platform_device smc91x_device = { 44 .name = "smc91x", 45 .id = -1, 46 .dev = { 47 .platform_data = &smc91x_info, 48 }, 49 .num_resources = ARRAY_SIZE(smc91x_resources), 50 .resource = smc91x_resources, 51}; 52 53static struct resource led_resources[] = { 54 [0] = { 55 .flags = IORESOURCE_MEM, 56 }, 57}; 58 59static struct platform_device led_device = { 60 .name = "omap_dbg_led", 61 .id = -1, 62 .num_resources = ARRAY_SIZE(led_resources), 63 .resource = led_resources, 64}; 65 66static struct platform_device *debug_devices[] __initdata = { 67 &smc91x_device, 68 &led_device, 69 /* ps2 kbd + mouse ports */ 70 /* 4 extra uarts */ 71 /* 6 input dip switches */ 72 /* 8 output pins */ 73}; 74 75int __init debug_card_init(u32 addr, unsigned gpio) 76{ 77 int status; 78 79 smc91x_resources[0].start = addr + 0x300; 80 smc91x_resources[0].end = addr + 0x30f; 81 82 smc91x_resources[1].start = gpio_to_irq(gpio); 83 smc91x_resources[1].end = gpio_to_irq(gpio); 84 85 status = gpio_request(gpio, "SMC91x irq"); 86 if (status < 0) { 87 printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); 88 return status; 89 } 90 gpio_direction_input(gpio); 91 92 led_resources[0].start = addr; 93 led_resources[0].end = addr + SZ_4K - 1; 94 95 return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); 96} 97