forked from Imagelibrary/rtems
146 lines
4.7 KiB
C
146 lines
4.7 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSBSPsMIPSMalta
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*
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* @brief Global BSP definitions.
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*/
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/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LIBBSP_MIPS_MALTA_BSP_H
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#define LIBBSP_MIPS_MALTA_BSP_H
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/**
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* @defgroup RTEMSBSPsMIPSMalta Malta
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*
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* @ingroup RTEMSBSPsMIPS
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*
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* @brief Malta Board Support Package.
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*
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* @{
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*/
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#ifndef ASM
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#include <bspopts.h>
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#include <bsp/default-initial-extension.h>
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#include <rtems.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BSP_FEATURE_IRQ_EXTENSION
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#define BSP_SHARED_HANDLER_SUPPORT 1
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#define REVISION_REGISTER_ADDRESS 0x1fc00010
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#define PRORV_MASK 0x0000000f /* 4 bit Product Revision */
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#define PROID_MASK 0x000000f0 /* 4 bit Product ID */
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#define CORRV_MASK 0x00000300 /* 2 bit Core Board Revision */
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#define CORID_MASK 0x0000fc00 /* 6 bit Core Board ID */
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#define FPGRV_MASK 0x00ff0000 /* 8 bit CBUS FPGA Revision */
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#define BSP_8259_BASE_ADDRESS (0x18000000UL | 0xa0000000UL)
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#define BSP_PCI_BASE_ADDRESS (0x1be00000UL | 0xa0000000UL)
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#define BSP_NIC_IO_BASE (0x10000000UL | 0xa0000000UL)
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#define PCI0_IO_BASE (0x18000000UL | 0xa0000000UL)
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#define BSP_NIC_MEM_BASE (0x00000000UL | 0xa0000000UL)
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/* functions */
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#define WRITE_PROTECTED_UINT8( _addr, _value ) \
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do { \
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volatile uint8_t *_ptr = _addr | 0x80000000; \
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*_ptr = _value; \
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}
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#define WRITE_PROTECTED_UINT16( _addr, _value ) \
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do { \
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volatile uint16_t *_ptr = _addr | 0x80000000; \
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*_ptr = _value; \
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}
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#define WRITE_PROTECTED_UINT32( _addr, _value ) \
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do { \
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volatile uint32_t *_ptr = _addr | 0x80000000; \
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*_ptr = _value; \
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}
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#define READ_PROTECTED_UINT8( _addr, _value ) \
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do { \
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volatile uint8_t *_ptr = _addr | 0x80000000; \
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_value = *_ptr; \
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}
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#define READ_PROTECTED_UINT16( _addr, _value ) \
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do { \
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volatile uint16_t *_ptr = _addr | 0x80000000; \
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_value = *_ptr; \
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}
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#define READ_PROTECTED_UINT32( _addr, _value ) \
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do { \
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volatile uint32_t *_ptr = _addr | 0x80000000; \
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_value = *_ptr; \
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}
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#define READ_UINT8( _register_, _value_ ) \
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((_value_) = *((volatile unsigned char *)(_register_)))
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#define WRITE_UINT8( _register_, _value_ ) \
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(*((volatile unsigned char *)(_register_)) = (_value_))
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#define READ_UINT16( _register_, _value_ ) \
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((_value_) = *((volatile unsigned short *)(_register_)))
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#define WRITE_UINT16( _register_, _value_ ) \
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(*((volatile unsigned short *)(_register_)) = (_value_))
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void simple_out_32(uint32_t base, uint32_t addr, uint32_t val);
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void simple_out_le32(uint32_t base, uint32_t addr, uint32_t val);
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uint8_t simple_in_8( uint32_t base, uint32_t addr );
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void simple_out_8( uint32_t base, uint32_t addr, uint8_t val );
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int16_t simple_in_le16( uint32_t base, uint32_t addr );
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int16_t simple_in_16( uint32_t base, uint32_t addr );
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uint32_t simple_in_le32( uint32_t base, uint32_t addr );
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uint32_t simple_in_32( uint32_t base, uint32_t addr );
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void simple_out_le16( uint32_t base, uint32_t addr, uint16_t val );
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void simple_out_16( uint32_t base, uint32_t addr, uint16_t val );
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/*
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* Prototypes for methods called from .S for dependency tracking
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*/
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void init_tlb(void);
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void resettlb(int i);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !ASM */
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/** @} */
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#endif
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