diff options
Diffstat (limited to 'arch/metag/include/asm/hwthread.h')
-rw-r--r-- | arch/metag/include/asm/hwthread.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/metag/include/asm/hwthread.h b/arch/metag/include/asm/hwthread.h deleted file mode 100644 index 8d2171d..0000000 --- a/arch/metag/include/asm/hwthread.h +++ /dev/null @@ -1,41 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2008 Imagination Technologies - */ -#ifndef __METAG_HWTHREAD_H -#define __METAG_HWTHREAD_H - -#include <linux/bug.h> -#include <linux/io.h> - -#include <asm/metag_mem.h> - -#define BAD_HWTHREAD_ID (0xFFU) -#define BAD_CPU_ID (0xFFU) - -extern u8 cpu_2_hwthread_id[]; -extern u8 hwthread_id_2_cpu[]; - -/* - * Each hardware thread's Control Unit registers are memory-mapped - * and can therefore be accessed by any other hardware thread. - * - * This helper function returns the memory address where "thread"'s - * register "regnum" is mapped. - */ -static inline -void __iomem *__CU_addr(unsigned int thread, unsigned int regnum) -{ - unsigned int base, thread_offset, thread_regnum; - - WARN_ON(thread == BAD_HWTHREAD_ID); - - base = T0UCTREG0; /* Control unit base */ - - thread_offset = TnUCTRX_STRIDE * thread; - thread_regnum = TXUCTREGn_STRIDE * regnum; - - return (void __iomem *)(base + thread_offset + thread_regnum); -} - -#endif /* __METAG_HWTHREAD_H */ |