diff options
Diffstat (limited to 'arch/arm/plat-omap/debug-devices.c')
| -rw-r--r-- | arch/arm/plat-omap/debug-devices.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c new file mode 100644 index 000000000000..83a5f8b91857 --- /dev/null +++ b/arch/arm/plat-omap/debug-devices.c | |||
| @@ -0,0 +1,86 @@ | |||
| 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 | |||
| 16 | #include <asm/hardware.h> | ||
| 17 | #include <asm/io.h> | ||
| 18 | |||
| 19 | #include <asm/arch/board.h> | ||
| 20 | #include <asm/arch/gpio.h> | ||
| 21 | |||
| 22 | |||
| 23 | /* Many OMAP development platforms reuse the same "debug board"; these | ||
| 24 | * platforms include H2, H3, H4, and Perseus2. | ||
| 25 | */ | ||
| 26 | |||
| 27 | static struct resource smc91x_resources[] = { | ||
| 28 | [0] = { | ||
| 29 | .flags = IORESOURCE_MEM, | ||
| 30 | }, | ||
| 31 | [1] = { | ||
| 32 | .flags = IORESOURCE_IRQ, | ||
| 33 | }, | ||
| 34 | }; | ||
| 35 | |||
| 36 | static struct platform_device smc91x_device = { | ||
| 37 | .name = "smc91x", | ||
| 38 | .id = -1, | ||
| 39 | .num_resources = ARRAY_SIZE(smc91x_resources), | ||
| 40 | .resource = smc91x_resources, | ||
| 41 | }; | ||
| 42 | |||
| 43 | static struct resource led_resources[] = { | ||
| 44 | [0] = { | ||
| 45 | .flags = IORESOURCE_MEM, | ||
| 46 | }, | ||
| 47 | }; | ||
| 48 | |||
| 49 | static struct platform_device led_device = { | ||
| 50 | .name = "omap_dbg_led", | ||
| 51 | .id = -1, | ||
| 52 | .num_resources = ARRAY_SIZE(led_resources), | ||
| 53 | .resource = led_resources, | ||
| 54 | }; | ||
| 55 | |||
| 56 | static struct platform_device *debug_devices[] __initdata = { | ||
| 57 | &smc91x_device, | ||
| 58 | &led_device, | ||
| 59 | /* ps2 kbd + mouse ports */ | ||
| 60 | /* 4 extra uarts */ | ||
| 61 | /* 6 input dip switches */ | ||
| 62 | /* 8 output pins */ | ||
| 63 | }; | ||
| 64 | |||
| 65 | int __init debug_card_init(u32 addr, unsigned gpio) | ||
| 66 | { | ||
| 67 | int status; | ||
| 68 | |||
| 69 | smc91x_resources[0].start = addr + 0x300; | ||
| 70 | smc91x_resources[0].end = addr + 0x30f; | ||
| 71 | |||
| 72 | smc91x_resources[1].start = OMAP_GPIO_IRQ(gpio); | ||
| 73 | smc91x_resources[1].end = OMAP_GPIO_IRQ(gpio); | ||
| 74 | |||
| 75 | status = omap_request_gpio(gpio); | ||
| 76 | if (status < 0) { | ||
| 77 | printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); | ||
| 78 | return status; | ||
| 79 | } | ||
| 80 | omap_set_gpio_direction(gpio, 1); | ||
| 81 | |||
| 82 | led_resources[0].start = addr; | ||
| 83 | led_resources[0].end = addr + SZ_4K - 1; | ||
| 84 | |||
| 85 | return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); | ||
| 86 | } | ||
