source: rtems/c/src/lib/libbsp/m68k/mvme162/include/bsp.h @ 2816b1af

5
Last change on this file since 2816b1af was 2816b1af, checked in by Joel Sherrill <joel@…>, on 03/30/16 at 19:04:23

m68k/mvme162/include/bsp.h: Do not include <rtems/iosupp.h>

  • Property mode set to 100644
File size: 5.4 KB
Line 
1/*
2 *  This include file contains all MVME162fx board IO definitions.
3 */
4
5/*
6 *  COPYRIGHT (c) 1989-2014.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.org/license/LICENSE.
12 *
13 *  Modifications of respective RTEMS file: COPYRIGHT (c) 1994.
14 *  EISCAT Scientific Association. M.Savitski
15 *
16 *  This material is a part of the MVME162 Board Support Package
17 *  for the RTEMS executive. Its licensing policies are those of the
18 *  RTEMS above.
19 */
20
21#ifndef LIBBSP_M68K_MVME162_BSP_H
22#define LIBBSP_M68K_MVME162_BSP_H
23
24#include <bspopts.h>
25#include <bsp/default-initial-extension.h>
26
27#include <rtems.h>
28
29#include <mvme16x_hw.h>
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35/*----------------------------------------------------------------*/
36
37typedef volatile struct {
38
39  unsigned char     chipID;
40  unsigned char     chipREV;
41  unsigned char     gen_control;
42  unsigned char     vector_base;
43
44  unsigned long     timer_cmp_1;
45  unsigned long     timer_cnt_1;
46  unsigned long     timer_cmp_2;
47  unsigned long     timer_cnt_2;
48
49  unsigned char     LSB_prescaler_count;
50  unsigned char     prescaler_clock_adjust;
51  unsigned char     time_ctl_2;
52  unsigned char     time_ctl_1;
53
54  unsigned char     time_int_ctl_4;
55  unsigned char     time_int_ctl_3;
56  unsigned char     time_int_ctl_2;
57  unsigned char     time_int_ctl_1;
58
59  unsigned char     dram_err_int_ctl;
60  unsigned char     SCC_int_ctl;
61  unsigned char     time_ctl_4;
62  unsigned char     time_ctl_3;
63
64  unsigned short    DRAM_space_base;
65  unsigned short    SRAM_space_base;
66
67  unsigned char     DRAM_size;
68  unsigned char     DRAM_SRAM_opt;
69  unsigned char     SRAM_size;
70  unsigned char     reserved;
71
72  unsigned char     LANC_error;
73  unsigned char     reserved1;
74  unsigned char     LANC_int_ctl;
75  unsigned char     LANC_berr_ctl;
76
77  unsigned char     SCSI_error;
78  unsigned char     general_inputs;
79  unsigned char     MVME_162_version;
80  unsigned char     SCSI_int_ctl;
81
82  unsigned long     timer_cmp_3;
83  unsigned long     timer_cnt_3;
84  unsigned long     timer_cmp_4;
85  unsigned long     timer_cnt_4;
86
87  unsigned char     bus_clk;
88  unsigned char     PROM_acc_time_ctl;
89  unsigned char     FLASH_acc_time_ctl;
90  unsigned char     ABORT_int_ctl;
91
92  unsigned char     RESET_ctl;
93  unsigned char     watchdog_timer_ctl;
94  unsigned char     acc_watchdog_time_base_sel;
95  unsigned char     reserved2;
96
97  unsigned char     DRAM_ctl;
98  unsigned char     reserved4;
99  unsigned char     MPU_status;
100  unsigned char     reserved3;
101
102  unsigned long     prescaler_count;
103
104} mcchip_regs;
105
106#define mcchip      ((mcchip_regs * const) 0xFFF42000)
107
108/*----------------------------------------------------------------*/
109
110/*
111 * SCC Z8523(0) defines and macros
112 * -------------------------------
113 * Prototypes for the low-level serial io are also included here,
114 * because such stuff is bsp-specific (yet). The function bodies
115 * are in console.c
116 *
117 * NOTE from Eric Vaitl <evaitl@viasat.com>:
118 *
119 * I dropped RTEMS into a 162FX today (the MVME162-513). The 162FX has a
120 * bug in the MC2 chip (revision 1) such that the SCC data register is
121 * not accessible, it has to be accessed indirectly through the SCC
122 * control register.
123 */
124
125enum {portB, portA};
126
127extern bool char_ready(int port, char *ch);
128extern char char_wait(int port);
129extern void char_put(int port, char ch);
130
131#define TX_BUFFER_EMPTY   0x04
132#define RX_DATA_AVAILABLE 0x01
133#define SCC_VECTOR        0x40
134
135typedef volatile struct {
136  unsigned char pad1;
137  volatile unsigned char          csr;
138  unsigned char pad2;
139  volatile unsigned char          buf;
140} scc_regs;
141
142#define scc       ((scc_regs * const) 0xFFF45000)
143
144#define ZWRITE0(port, v)  (scc[port].csr = (unsigned char)(v))
145#define ZREAD0(port)  (scc[port].csr)
146
147#define ZREAD(port, n)  (ZWRITE0(port, n), (scc[port].csr))
148#define ZREADD(port)  (scc[port].csr=0x08, scc[port].csr )
149
150#define ZWRITE(port, n, v) (ZWRITE0(port, n), ZWRITE0(port, v))
151#define ZWRITED(port, v)  (scc[port].csr = 0x08, \
152                           scc[port].csr = (unsigned char)(v))
153/*----------------------------------------------------------------*/
154
155#ifdef M162_INIT
156#undef EXTERN
157#define EXTERN
158#else
159#undef EXTERN
160#define EXTERN extern
161#endif
162
163/*
164 *  This value is the default address location of the 162Bug vector table
165 *  and is also the default start address of the boards DRAM.  This value
166 *  may be different for your specific board based on a number of factors:
167 *
168 *     Default DRAM address:   0x00000000
169 *     Default SRAM address:   0xFFE00000
170 *
171 *  o  If no DRAM can be found by the 162Bug program, it will use SRAM.
172 *  o  The default SRAM address may be different if SRAM mezzanine boards
173 *     are installed on the main board.
174 *  o  Both the DRAM and SRAM addresses can be modified by changing the
175 *     appropriate values in NVRAM using the ENV command at the 162Bug
176 *     prompt.
177 *
178 *  If your board has different values than the defaults, change the value
179 *  of the following define.
180 *
181 */
182#define MOT_162BUG_VEC_ADDRESS  0x00000000
183
184extern rtems_isr_entry M68Kvec[];   /* vector table address */
185
186/* functions */
187
188rtems_isr_entry set_vector(
189  rtems_isr_entry     handler,
190  rtems_vector_number vector,
191  int                 type
192);
193
194/*
195 * Prototypes for methods in the BSP that cross file boundaries.
196 */
197bool char_ready(int port, char *ch);
198
199
200#ifdef __cplusplus
201}
202#endif
203
204#endif
Note: See TracBrowser for help on using the repository browser.