lib_hssubr.h
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上传日期:2013-04-10
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- /*
- * Copyright (C) 2000, 2001 Broadcom Corporation
- * Copyright (C) 2002 Ralf Baechle
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #ifndef _LIB_HSSUBR_H
- #define _LIB_HSSUBR_H
- #include <linux/config.h>
- #include <asm/addrspace.h>
- typedef long hsaddr_t;
- #ifdef CONFIG_MIPS64
- static inline void hs_write8(hsaddr_t a, uint8_t b)
- {
- *(volatile uint8_t *) a = PHYS_TO_XKSEG_UNCACHED(b);
- }
- static inline void hs_write16(hsaddr_t a, uint16_t b)
- {
- *(volatile uint16_t *) a = PHYS_TO_XKSEG_UNCACHED(b);
- }
- static inline void hs_write32(hsaddr_t a, uint32_t b)
- {
- *(volatile uint32_t *) a = PHYS_TO_XKSEG_UNCACHED(b);
- }
- static inline void hs_write64(hsaddr_t a, uint64_t b)
- {
- *(volatile uint32_t *) a = PHYS_TO_XKSEG_UNCACHED(b);
- }
- static inline uint8_t hs_read8(hsaddr_t a)
- {
- return *(volatile uint8_t *) a;
- }
- static inline uint16_t hs_read16(hsaddr_t a)
- {
- return *(volatile uint16_t *) a;
- }
- static inline uint32_t hs_read32(hsaddr_t a)
- {
- return *(volatile uint32_t *) a;
- }
- static inline uint64_t hs_read64(hsaddr_t a)
- {
- return *(volatile uint64_t *) a;
- }
- #else /* just CONFIG_MIPS32 */
- extern void hs_write8(hsaddr_t a, uint8_t b);
- extern void hs_write16(hsaddr_t a, uint16_t b);
- extern void hs_write32(hsaddr_t a, uint32_t b);
- extern void hs_write64(hsaddr_t a, uint64_t b);
- extern uint8_t hs_read8(hsaddr_t a);
- extern uint16_t hs_read16(hsaddr_t a);
- extern uint32_t hs_read32(hsaddr_t a);
- extern uint64_t hs_read64(hsaddr_t a);
- #endif
- #endif /* _LIB_HSSUBR_H */