70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/*
|
|
* emu.c
|
|
*
|
|
* ETM and ETB CoreSight components' resources as found in OMAP3xxx.
|
|
*
|
|
* Copyright (C) 2009 Nokia Corporation.
|
|
* Alexander Shishkin
|
|
*
|
|
* 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 <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <linux/amba/bus.h>
|
|
#include <linux/io.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/err.h>
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Alexander Shishkin");
|
|
|
|
/* Cortex CoreSight components within omap3xxx EMU */
|
|
#define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000)
|
|
#define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000)
|
|
#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000)
|
|
#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000)
|
|
|
|
static struct amba_device omap3_etb_device = {
|
|
.dev = {
|
|
.init_name = "etb",
|
|
},
|
|
.res = {
|
|
.start = ETB_BASE,
|
|
.end = ETB_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
.periphid = 0x000bb907,
|
|
};
|
|
|
|
static struct amba_device omap3_etm_device = {
|
|
.dev = {
|
|
.init_name = "etm",
|
|
},
|
|
.res = {
|
|
.start = ETM_BASE,
|
|
.end = ETM_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
.periphid = 0x102bb921,
|
|
};
|
|
|
|
static int __init emu_init(void)
|
|
{
|
|
if (!cpu_is_omap34xx())
|
|
return -ENODEV;
|
|
|
|
amba_device_register(&omap3_etb_device, &iomem_resource);
|
|
amba_device_register(&omap3_etm_device, &iomem_resource);
|
|
|
|
return 0;
|
|
}
|
|
|
|
subsys_initcall(emu_init);
|
|
|