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Diffstat (limited to 'arch/mips/include/asm/netlogic/haldefs.h')
| -rw-r--r-- | arch/mips/include/asm/netlogic/haldefs.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/arch/mips/include/asm/netlogic/haldefs.h b/arch/mips/include/asm/netlogic/haldefs.h deleted file mode 100644 index 79c7cccdc22c..000000000000 --- a/arch/mips/include/asm/netlogic/haldefs.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights - * reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the NetLogic - * license below: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __NLM_HAL_HALDEFS_H__ -#define __NLM_HAL_HALDEFS_H__ - -#include <linux/irqflags.h> /* for local_irq_disable */ - -/* - * This file contains platform specific memory mapped IO implementation - * and will provide a way to read 32/64 bit memory mapped registers in - * all ABIs - */ -static inline uint32_t -nlm_read_reg(uint64_t base, uint32_t reg) -{ - volatile uint32_t *addr = (volatile uint32_t *)(long)base + reg; - - return *addr; -} - -static inline void -nlm_write_reg(uint64_t base, uint32_t reg, uint32_t val) -{ - volatile uint32_t *addr = (volatile uint32_t *)(long)base + reg; - - *addr = val; -} - -/* - * For o32 compilation, we have to disable interrupts to access 64 bit - * registers - * - * We need to disable interrupts because we save just the lower 32 bits of - * registers in interrupt handling. So if we get hit by an interrupt while - * using the upper 32 bits of a register, we lose. - */ - -static inline uint64_t -nlm_read_reg64(uint64_t base, uint32_t reg) -{ - uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); - volatile uint64_t *ptr = (volatile uint64_t *)(long)addr; - uint64_t val; - - if (sizeof(unsigned long) == 4) { - unsigned long flags; - - local_irq_save(flags); - __asm__ __volatile__( - ".set push" "\n\t" - ".set mips64" "\n\t" - "ld %L0, %1" "\n\t" - "dsra32 %M0, %L0, 0" "\n\t" - "sll %L0, %L0, 0" "\n\t" - ".set pop" "\n" - : "=r" (val) - : "m" (*ptr)); - local_irq_restore(flags); - } else - val = *ptr; - - return val; -} - -static inline void -nlm_write_reg64(uint64_t base, uint32_t reg, uint64_t val) -{ - uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); - volatile uint64_t *ptr = (volatile uint64_t *)(long)addr; - - if (sizeof(unsigned long) == 4) { - unsigned long flags; - uint64_t tmp; - - local_irq_save(flags); - __asm__ __volatile__( - ".set push" "\n\t" - ".set mips64" "\n\t" - "dsll32 %L0, %L0, 0" "\n\t" - "dsrl32 %L0, %L0, 0" "\n\t" - "dsll32 %M0, %M0, 0" "\n\t" - "or %L0, %L0, %M0" "\n\t" - "sd %L0, %2" "\n\t" - ".set pop" "\n" - : "=r" (tmp) - : "0" (val), "m" (*ptr)); - local_irq_restore(flags); - } else - *ptr = val; -} - -/* - * Routines to store 32/64 bit values to 64 bit addresses, - * used when going thru XKPHYS to access registers - */ -static inline uint32_t -nlm_read_reg_xkphys(uint64_t base, uint32_t reg) -{ - return nlm_read_reg(base, reg); -} - -static inline void -nlm_write_reg_xkphys(uint64_t base, uint32_t reg, uint32_t val) -{ - nlm_write_reg(base, reg, val); -} - -static inline uint64_t -nlm_read_reg64_xkphys(uint64_t base, uint32_t reg) -{ - return nlm_read_reg64(base, reg); -} - -static inline void -nlm_write_reg64_xkphys(uint64_t base, uint32_t reg, uint64_t val) -{ - nlm_write_reg64(base, reg, val); -} - -/* Location where IO base is mapped */ -extern uint64_t nlm_io_base; - -#if defined(CONFIG_CPU_XLP) -static inline uint64_t -nlm_pcicfg_base(uint32_t devoffset) -{ - return nlm_io_base + devoffset; -} - -#elif defined(CONFIG_CPU_XLR) - -static inline uint64_t -nlm_mmio_base(uint32_t devoffset) -{ - return nlm_io_base + devoffset; -} -#endif - -#endif |