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Diffstat (limited to 'arch/arm/mach-omap2/emu.c')
-rw-r--r-- | arch/arm/mach-omap2/emu.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/emu.c b/arch/arm/mach-omap2/emu.c new file mode 100644 index 0000000..ec0d984 --- /dev/null +++ b/arch/arm/mach-omap2/emu.c @@ -0,0 +1,66 @@ +/* + * 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) +{ + amba_device_register(&omap3_etb_device, &iomem_resource); + amba_device_register(&omap3_etm_device, &iomem_resource); + + return 0; +} + +subsys_initcall(emu_init); + |