87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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/*
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* linux/arch/arm/plat-omap/debug-devices.c
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*
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* Copyright (C) 2005 Nokia Corporation
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* Modified from mach-omap2/board-h4.c
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <mach/board.h>
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#include <mach/gpio.h>
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/* Many OMAP development platforms reuse the same "debug board"; these
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* platforms include H2, H3, H4, and Perseus2.
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*/
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static struct resource smc91x_resources[] = {
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[0] = {
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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static struct resource led_resources[] = {
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[0] = {
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device led_device = {
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.name = "omap_dbg_led",
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.id = -1,
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.num_resources = ARRAY_SIZE(led_resources),
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.resource = led_resources,
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};
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static struct platform_device *debug_devices[] __initdata = {
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&smc91x_device,
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&led_device,
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/* ps2 kbd + mouse ports */
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/* 4 extra uarts */
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/* 6 input dip switches */
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/* 8 output pins */
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};
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int __init debug_card_init(u32 addr, unsigned gpio)
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{
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int status;
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smc91x_resources[0].start = addr + 0x300;
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smc91x_resources[0].end = addr + 0x30f;
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smc91x_resources[1].start = gpio_to_irq(gpio);
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smc91x_resources[1].end = gpio_to_irq(gpio);
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status = gpio_request(gpio, "SMC91x irq");
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if (status < 0) {
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printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
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return status;
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}
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gpio_direction_input(gpio);
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led_resources[0].start = addr;
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led_resources[0].end = addr + SZ_4K - 1;
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return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
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}
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