blob: ce91aad4cdad5048548c28c8e224f93e2e28bf48 [file] [log] [blame]
Alexander Shishkin183bd502009-12-01 14:03:31 +01001/*
2 * emu.c
3 *
4 * ETM and ETB CoreSight components' resources as found in OMAP3xxx.
5 *
6 * Copyright (C) 2009 Nokia Corporation.
7 * Alexander Shishkin
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/types.h>
17#include <linux/module.h>
18#include <linux/device.h>
19#include <linux/amba/bus.h>
20#include <linux/io.h>
21#include <linux/clk.h>
22#include <linux/err.h>
23
24MODULE_LICENSE("GPL");
25MODULE_AUTHOR("Alexander Shishkin");
26
27/* Cortex CoreSight components within omap3xxx EMU */
28#define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000)
29#define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000)
30#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000)
31#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000)
32
Russell Kinge911ff12011-12-18 15:13:47 +000033static AMBA_APB_DEVICE(omap3_etb, "etb", 0x000bb907, ETB_BASE, { }, NULL);
34static AMBA_APB_DEVICE(omap3_etm, "etm", 0x102bb921, ETM_BASE, { }, NULL);
Alexander Shishkin183bd502009-12-01 14:03:31 +010035
36static int __init emu_init(void)
37{
Tony Lindgren4323e9f2010-02-12 12:26:48 -080038 if (!cpu_is_omap34xx())
39 return -ENODEV;
40
Alexander Shishkin183bd502009-12-01 14:03:31 +010041 amba_device_register(&omap3_etb_device, &iomem_resource);
42 amba_device_register(&omap3_etm_device, &iomem_resource);
43
44 return 0;
45}
46
47subsys_initcall(emu_init);