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 14 bool _metag_da_present; 15 EXPORT_SYMBOL_GPL(_metag_da_present); 16 metag_da_probe(void)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