1/* 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 24#include <mach/hardware.h> 25 26#include "iomap.h" 27 28MODULE_LICENSE("GPL"); 29MODULE_AUTHOR("Alexander Shishkin"); 30 31/* Cortex CoreSight components within omap3xxx EMU */ 32#define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000) 33#define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000) 34#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000) 35#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000) 36 37static AMBA_APB_DEVICE(omap3_etb, "etb", 0x000bb907, ETB_BASE, { }, NULL); 38static AMBA_APB_DEVICE(omap3_etm, "etm", 0x102bb921, ETM_BASE, { }, NULL); 39 40static int __init emu_init(void) 41{ 42 if (!cpu_is_omap34xx()) 43 return -ENODEV; 44 45 amba_device_register(&omap3_etb_device, &iomem_resource); 46 amba_device_register(&omap3_etm_device, &iomem_resource); 47 48 return 0; 49} 50 51subsys_initcall(emu_init); 52