RTEMS: bsps/nios2/nios2_iss/include/bsp.h Source File

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bsp.h
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1
9/* bsp.h
10 *
11 * This include file contains all board IO definitions.
12 *
13 * XXX : put yours in here
14 *
15 * COPYRIGHT (c) 1989-1999.
16 * On-Line Applications Research Corporation (OAR).
17 *
18 * The license and distribution terms for this file may be
19 * found in the file LICENSE in this distribution or at
20 * http://www.rtems.org/license/LICENSE.
21 */
22
23#ifndef LIBBSP_NIOS2_NIOS2_ISS_BSP_H
24#define LIBBSP_NIOS2_NIOS2_ISS_BSP_H
25
36#include <stdint.h>
37#include <bspopts.h>
38#include <bsp/default-initial-extension.h>
39
40#include <rtems.h>
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
46/* ============================================ */
47
48/* SOPC-specific Constants */
49
50#define SYSTEM_BUS_WIDTH 32
51
52#define JTAG_UART_BASE 0x08000000
53#define JTAG_UART_IRQ 2
54
55#define CLOCK_BASE 0x08001000
56#define CLOCK_FREQ 50000000
57#define CLOCK_VECTOR 1
58
59#define TIMER_BASE 0x08002000
60#define TIMER_FREQ 50000000
61#define TIMER_VECTOR 3
62
63/* ============================================ */
64
65#define NIOS2_BYPASS_CACHE ((uint32_t)0x80000000ul)
66#define NIOS2_IO_BASE(x) ( (void*) ((uint32_t)x | NIOS2_BYPASS_CACHE ) )
67#define NIOS2_IENABLE(x) do{ __builtin_wrctl(3,__builtin_rdctl(3)|x);}while(0)
68#define NIOS2_IRQ_ENABLE(x) do {__builtin_wrctl(3,__builtin_rdctl(3)|x);} while(0)
69
70/* ============================================ */
71/* TODO: Put this in an external header file */
72
73#ifndef SYSTEM_BUS_WIDTH
74#error SYSTEM_BUS_WIDTH is undefined
75#endif
76
77#if SYSTEM_BUS_WIDTH != 32
78#error Only SYSTEM_BUS_WIDTH 32 is supported
79#endif
80
81 typedef struct
82{
83 volatile uint32_t status;
84 volatile uint32_t control;
85 volatile uint32_t period_lo;
86 volatile uint32_t period_hi;
87 volatile uint32_t snap_lo;
88 volatile uint32_t snap_hi;
89}
90 altera_avalon_timer_regs;
91
92#define ALTERA_AVALON_TIMER_STATUS_TO_MSK (0x1)
93#define ALTERA_AVALON_TIMER_STATUS_TO_OFST (0)
94#define ALTERA_AVALON_TIMER_STATUS_RUN_MSK (0x2)
95#define ALTERA_AVALON_TIMER_STATUS_RUN_OFST (1)
96
97#define ALTERA_AVALON_TIMER_CONTROL_ITO_MSK (0x1)
98#define ALTERA_AVALON_TIMER_CONTROL_ITO_OFST (0)
99#define ALTERA_AVALON_TIMER_CONTROL_CONT_MSK (0x2)
100#define ALTERA_AVALON_TIMER_CONTROL_CONT_OFST (1)
101#define ALTERA_AVALON_TIMER_CONTROL_START_MSK (0x4)
102#define ALTERA_AVALON_TIMER_CONTROL_START_OFST (2)
103#define ALTERA_AVALON_TIMER_CONTROL_STOP_MSK (0x8)
104#define ALTERA_AVALON_TIMER_CONTROL_STOP_OFST (3)
105
106 typedef struct
107{
108 volatile uint32_t data;
109 volatile uint32_t control;
110}
111 altera_avalon_jtag_uart_regs;
112
113#define ALTERA_AVALON_JTAG_UART_DATA_DATA_MSK (0x000000FFu)
114#define ALTERA_AVALON_JTAG_UART_DATA_DATA_OFST (0)
115#define ALTERA_AVALON_JTAG_UART_DATA_RVALID_MSK (0x00008000u)
116#define ALTERA_AVALON_JTAG_UART_DATA_RVALID_OFST (15)
117#define ALTERA_AVALON_JTAG_UART_DATA_RAVAIL_MSK (0xFFFF0000u)
118#define ALTERA_AVALON_JTAG_UART_DATA_RAVAIL_OFST (16)
119
120#define ALTERA_AVALON_JTAG_UART_CONTROL_RE_MSK (0x00000001u)
121#define ALTERA_AVALON_JTAG_UART_CONTROL_RE_OFST (0)
122#define ALTERA_AVALON_JTAG_UART_CONTROL_WE_MSK (0x00000002u)
123#define ALTERA_AVALON_JTAG_UART_CONTROL_WE_OFST (1)
124#define ALTERA_AVALON_JTAG_UART_CONTROL_RI_MSK (0x00000100u)
125#define ALTERA_AVALON_JTAG_UART_CONTROL_RI_OFST (8)
126#define ALTERA_AVALON_JTAG_UART_CONTROL_WI_MSK (0x00000200u)
127#define ALTERA_AVALON_JTAG_UART_CONTROL_WI_OFST (9)
128#define ALTERA_AVALON_JTAG_UART_CONTROL_AC_MSK (0x00000400u)
129#define ALTERA_AVALON_JTAG_UART_CONTROL_AC_OFST (10)
130#define ALTERA_AVALON_JTAG_UART_CONTROL_WSPACE_MSK (0xFFFF0000u)
131#define ALTERA_AVALON_JTAG_UART_CONTROL_WSPACE_OFST (16)
132
133/* ============================================ */
134
135/* functions */
136
137rtems_isr_entry set_vector( /* returns old vector */
138 rtems_isr_entry handler, /* isr routine */
139 rtems_vector_number vector, /* vector number */
140 int type /* RTEMS or RAW intr */
141);
142
143#ifdef __cplusplus
144}
145#endif
146
149#endif
150/* end of include file */
default-initial-extension.h
DEFAULT_INITIAL_EXTENSION Support.
rtems_vector_number
ISR_Vector_number rtems_vector_number
Control block type used to manage the vectors.
Definition: intr.h:47
rtems.h
altera_avalon_jtag_uart_regs
Definition: bsp.h:107
altera_avalon_timer_regs
Definition: bsp.h:82
control
Definition: intercom.c:74