summaryrefslogtreecommitdiffstats
path: root/bsps/mips/malta/include/bsp.h
blob: 0552337b8290b0923fd5475be384af906438c187 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSBSPsMIPSMalta
 *
 * @brief Global BSP definitions.
 */

/*
 *  COPYRIGHT (c) 1989-2012.
 *  On-Line Applications Research Corporation (OAR).
 *
 * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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 LIBBSP_MIPS_MALTA_BSP_H
#define LIBBSP_MIPS_MALTA_BSP_H

/**
 * @defgroup RTEMSBSPsMIPSMalta Malta
 *
 * @ingroup RTEMSBSPsMIPS
 *
 * @brief Malta Board Support Package.
 *
 * @{
 */

#ifndef ASM

#include <bspopts.h>
#include <bsp/default-initial-extension.h>

#include <rtems.h>

#ifdef __cplusplus
extern "C" {
#endif

#define BSP_FEATURE_IRQ_EXTENSION
#define BSP_SHARED_HANDLER_SUPPORT      1

#define REVISION_REGISTER_ADDRESS  0x1fc00010
#define PRORV_MASK       0x0000000f   /* 4 bit Product Revision */
#define PROID_MASK       0x000000f0   /* 4 bit Product ID */
#define CORRV_MASK       0x00000300   /* 2 bit Core Board Revision */
#define CORID_MASK       0x0000fc00   /* 6 bit Core Board ID */
#define FPGRV_MASK       0x00ff0000   /* 8 bit CBUS FPGA Revision */
#define BSP_8259_BASE_ADDRESS    (0x18000000UL | 0xa0000000UL)
#define BSP_PCI_BASE_ADDRESS     (0x1be00000UL | 0xa0000000UL)
#define BSP_NIC_IO_BASE          (0x10000000UL | 0xa0000000UL)
#define PCI0_IO_BASE             (0x18000000UL | 0xa0000000UL)
#define BSP_NIC_MEM_BASE         (0x00000000UL | 0xa0000000UL)

/* functions */
#define WRITE_PROTECTED_UINT8( _addr, _value ) \
        do { \
          volatile uint8_t *_ptr = _addr | 0x80000000; \
          *_ptr = _value; \
        }
#define WRITE_PROTECTED_UINT16( _addr, _value ) \
        do { \
          volatile uint16_t *_ptr = _addr | 0x80000000; \
          *_ptr = _value; \
        }
#define WRITE_PROTECTED_UINT32( _addr, _value ) \
        do { \
          volatile uint32_t *_ptr = _addr | 0x80000000; \
          *_ptr = _value; \
        }
#define READ_PROTECTED_UINT8( _addr, _value ) \
        do { \
          volatile uint8_t *_ptr = _addr | 0x80000000; \
         _value = *_ptr; \
        }
#define READ_PROTECTED_UINT16( _addr, _value ) \
        do { \
          volatile uint16_t *_ptr = _addr | 0x80000000; \
         _value = *_ptr; \
        }
#define READ_PROTECTED_UINT32( _addr, _value ) \
        do { \
          volatile uint32_t *_ptr = _addr | 0x80000000; \
         _value = *_ptr; \
        }

#define READ_UINT8( _register_, _value_ ) \
        ((_value_) = *((volatile unsigned char *)(_register_)))

#define WRITE_UINT8( _register_, _value_ ) \
        (*((volatile unsigned char *)(_register_)) = (_value_))

#define READ_UINT16( _register_, _value_ ) \
     ((_value_) = *((volatile unsigned short *)(_register_)))

#define WRITE_UINT16( _register_, _value_ ) \
     (*((volatile unsigned short *)(_register_)) = (_value_))

void simple_out_32(uint32_t base, uint32_t addr, uint32_t val);
void simple_out_le32(uint32_t base, uint32_t addr, uint32_t val);
uint8_t simple_in_8( uint32_t base, uint32_t addr );
void simple_out_8( uint32_t base, uint32_t addr, uint8_t val );
int16_t simple_in_le16( uint32_t base, uint32_t addr );
int16_t simple_in_16( uint32_t base, uint32_t addr );
uint32_t simple_in_le32( uint32_t base, uint32_t addr );
uint32_t simple_in_32( uint32_t base, uint32_t addr );
void simple_out_le16( uint32_t base, uint32_t addr, uint16_t val );
void simple_out_16( uint32_t base, uint32_t addr, uint16_t val );

/*
 * Prototypes for methods called from .S for dependency tracking
 */
void init_tlb(void);
void resettlb(int i);

#ifdef __cplusplus
}
#endif

#endif /* !ASM */

/** @} */

#endif