1/* 2 * Meta DA JTAG debugger control. 3 * 4 * Copyright 2012 Imagination Technologies Ltd. 5 */ 6 7 8#include <linux/export.h> 9#include <linux/io.h> 10#include <linux/kernel.h> 11#include <asm/da.h> 12#include <asm/metag_mem.h> 13 14bool _metag_da_present; 15EXPORT_SYMBOL_GPL(_metag_da_present); 16 17int __init metag_da_probe(void) 18{ 19 _metag_da_present = (metag_in32(T0VECINT_BHALT) == 1); 20 if (_metag_da_present) 21 pr_info("DA present\n"); 22 else 23 pr_info("DA not present\n"); 24 return 0; 25} 26