From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-omap/debug-devices.c | 96 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 arch/arm/plat-omap/debug-devices.c (limited to 'arch/arm/plat-omap/debug-devices.c') diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c new file mode 100644 index 00000000..923c9621 --- /dev/null +++ b/arch/arm/plat-omap/debug-devices.c @@ -0,0 +1,96 @@ +/* + * linux/arch/arm/plat-omap/debug-devices.c + * + * Copyright (C) 2005 Nokia Corporation + * Modified from mach-omap2/board-h4.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include + +#include + +#include +#include + + +/* Many OMAP development platforms reuse the same "debug board"; these + * platforms include H2, H3, H4, and Perseus2. + */ + +static struct smc91x_platdata smc91x_info = { + .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, + .leda = RPC_LED_100_10, + .ledb = RPC_LED_TX_RX, +}; + +static struct resource smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .dev = { + .platform_data = &smc91x_info, + }, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static struct resource led_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device led_device = { + .name = "omap_dbg_led", + .id = -1, + .num_resources = ARRAY_SIZE(led_resources), + .resource = led_resources, +}; + +static struct platform_device *debug_devices[] __initdata = { + &smc91x_device, + &led_device, + /* ps2 kbd + mouse ports */ + /* 4 extra uarts */ + /* 6 input dip switches */ + /* 8 output pins */ +}; + +int __init debug_card_init(u32 addr, unsigned gpio) +{ + int status; + + smc91x_resources[0].start = addr + 0x300; + smc91x_resources[0].end = addr + 0x30f; + + smc91x_resources[1].start = gpio_to_irq(gpio); + smc91x_resources[1].end = gpio_to_irq(gpio); + + status = gpio_request(gpio, "SMC91x irq"); + if (status < 0) { + printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); + return status; + } + gpio_direction_input(gpio); + + led_resources[0].start = addr; + led_resources[0].end = addr + SZ_4K - 1; + + return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); +} -- cgit v1.2.3