source: rtems/c/src/lib/libbsp/i386/pc386/include/bsp.h @ 93546b8

4.11
Last change on this file since 93546b8 was 93546b8, checked in by Joel Sherrill <joel.sherrill@…>, on Dec 11, 2014 at 9:16:34 PM

pc386: Add BSP_ENABLE_IDE BSP option

This allows the IDE support to be completely disabled. It is needed to
prevent hangs on some hardware. In particular, the Intel Edison where
it is not present.

  • Property mode set to 100644
File size: 9.3 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup i386_pc386
5 *
6 * @brief Global BSP definitions.
7 */
8
9/*-------------------------------------------------------------------------+
10| bsp.h v1.1 - PC386 BSP - 1997/08/07
11+--------------------------------------------------------------------------+
12| This include file contains definitions related to the PC386 BSP.
13+--------------------------------------------------------------------------+
14| (C) Copyright 1997 -
15| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
16|
17| http://pandora.ist.utl.pt
18|
19| Instituto Superior Tecnico * Lisboa * PORTUGAL
20+--------------------------------------------------------------------------+
21| Modified by Eric Valette the 20/05/98 in order to add definitions used
22| to enhance video putchar capabilities.
23|
24| Copyright (C) 1998  valette@crf.canon.fr
25|
26| Canon Centre Recherche France.
27|
28+--------------------------------------------------------------------------+
29| Disclaimer:
30|
31| This file is provided "AS IS" without warranty of any kind, either
32| expressed or implied.
33+--------------------------------------------------------------------------+
34| This code is based on:
35|   bsp.h,v 1.5 1995/12/19 20:07:30 joel Exp - go32 BSP
36| With the following copyright notice:
37| **************************************************************************
38| *  COPYRIGHT (c) 1989-1999.
39| *  On-Line Applications Research Corporation (OAR).
40| *
41| *  The license and distribution terms for this file may be
42| *  found in the file LICENSE in this distribution or at
43| *  http://www.rtems.org/license/LICENSE.
44| **************************************************************************
45+--------------------------------------------------------------------------*/
46
47#ifndef _BSP_H
48#define _BSP_H
49
50#ifndef ASM
51
52#include <bspopts.h>
53#include <bsp/default-initial-extension.h>
54#include <bsp/tblsizes.h>
55
56#include <rtems.h>
57#include <rtems/iosupp.h>
58#include <rtems/console.h>
59#include <rtems/clockdrv.h>
60#include <libcpu/cpu.h>
61#include <rtems/bspIo.h>
62
63#ifdef __cplusplus
64extern "C" {
65#endif
66
67/**
68 * @degroup pc386_i386 PC386 Support
69 *
70 * @ingroup bsp_i386
71 *
72 * @brief PC386 support.
73 */
74
75#define BSP_HAS_FRAME_BUFFER 1
76
77/*
78 * Network driver configuration
79 */
80struct rtems_bsdnet_ifconfig;
81
82/* app. may provide a routine (called _very_ early) to tell us
83 * which ports to use for printk / console. BSP provides a default
84 * implementation (weak alias) which does nothing (use BSP default
85 * ports).
86 */
87extern void
88BSP_runtime_console_select(int *pPrintkPort, int *pConsolePort);
89
90extern int rtems_ne_driver_attach(struct rtems_bsdnet_ifconfig *, int);
91#define BSP_NE2000_NETWORK_DRIVER_NAME      "ne1"
92#define BSP_NE2000_NETWORK_DRIVER_ATTACH    rtems_ne_driver_attach
93
94extern int rtems_wd_driver_attach(struct rtems_bsdnet_ifconfig *, int);
95#define BSP_WD8003_NETWORK_DRIVER_NAME      "wd1"
96#define BSP_WD8003_NETWORK_DRIVER_ATTACH    rtems_wd_driver_attach
97
98extern int rtems_dec21140_driver_attach(struct rtems_bsdnet_ifconfig *, int);
99#define BSP_DEC21140_NETWORK_DRIVER_NAME    "dc1"
100#define BSP_DEC21140_NETWORK_DRIVER_ATTACH  rtems_dec21140_driver_attach
101
102extern int rtems_3c509_driver_attach(struct rtems_bsdnet_ifconfig *config);
103#define BSP_3C509_NETWORK_DRIVER_NAME    "3c1"
104#define BSP_3C509_NETWORK_DRIVER_ATTACH  rtems_3c509_driver_attach
105
106#ifndef RTEMS_BSP_NETWORK_DRIVER_NAME
107#define RTEMS_BSP_NETWORK_DRIVER_NAME   BSP_DEC21140_NETWORK_DRIVER_NAME
108#endif
109
110#ifndef RTEMS_BSP_NETWORK_DRIVER_ATTACH
111#define RTEMS_BSP_NETWORK_DRIVER_ATTACH BSP_DEC21140_NETWORK_DRIVER_ATTACH
112#endif
113
114/*-------------------------------------------------------------------------+
115| Constants
116+--------------------------------------------------------------------------*/
117
118/*-------------------------------------------------------------------------+
119| Constants relating to the 8254 (or 8253) programmable interval timers.
120+--------------------------------------------------------------------------*/
121#define IO_TIMER1      0x40
122                  /* Port address of the control port and timer channels */
123#define TIMER_CNTR0    (IO_TIMER1 + 0) /* timer 0 counter port           */
124#define TIMER_CNTR1    (IO_TIMER1 + 1) /* timer 1 counter port           */
125#define TIMER_CNTR2    (IO_TIMER1 + 2) /* timer 2 counter port           */
126#define TIMER_MODE     (IO_TIMER1 + 3) /* timer mode port                */
127#define TIMER_SEL0     0x00            /* select counter 0               */
128#define TIMER_SEL1     0x40            /* select counter 1               */
129#define TIMER_SEL2     0x80            /* select counter 2               */
130#define TIMER_INTTC    0x00            /* mode 0, intr on terminal cnt   */
131#define TIMER_ONESHOT  0x02            /* mode 1, one shot               */
132#define TIMER_RATEGEN  0x04            /* mode 2, rate generator         */
133#define TIMER_SQWAVE   0x06            /* mode 3, square wave            */
134#define TIMER_SWSTROBE 0x08            /* mode 4, s/w triggered strobe   */
135#define TIMER_HWSTROBE 0x0a            /* mode 5, h/w triggered strobe   */
136#define TIMER_LATCH    0x00            /* latch counter for reading      */
137#define TIMER_LSB      0x10            /* r/w counter LSB                */
138#define TIMER_MSB      0x20            /* r/w counter MSB                */
139#define TIMER_16BIT    0x30            /* r/w counter 16 bits, LSB first */
140#define TIMER_BCD      0x01            /* count in BCD                   */
141#define TIMER_RD_BACK  0xc0            /* Read Back Command              */
142                /* READ BACK command layout in the Command Register      */
143#define RB_NOT_COUNT    0x40           /* Don't select counter latch     */
144#define RB_NOT_STATUS   0x20           /* Don't select status latch      */
145#define RB_COUNT_0      0x02           /* Counter 0 latch                */
146#define RB_COUNT_1      0x04           /* Counter 1 latch                */
147#define RB_COUNT_2      0x08           /* Counter 2 latch                */
148#define RB_OUTPUT       0x80           /* Output of the counter is 1     */
149
150#define TIMER_TICK     1193182  /* The internal tick rate in ticks per second */
151
152/*-------------------------------------------------------------------------+
153| Console Defines
154|      WARNING: These Values MUST match the order in
155|               Console_Configuration_Ports
156+--------------------------------------------------------------------------*/
157#define    BSP_CONSOLE_VGA            0
158#define    BSP_CONSOLE_COM1           1
159#define    BSP_CONSOLE_COM2           2
160
161/*-------------------------------------------------------------------------+
162| Convert microseconds to ticks and ticks to microseconds.
163+--------------------------------------------------------------------------*/
164#define US_TO_TICK(us) (((us)*105+44)/88)
165#define TICK_TO_US(tk) (((tk)*88+52)/105)
166
167/*-------------------------------------------------------------------------+
168| External Variables.
169+--------------------------------------------------------------------------*/
170extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE];
171extern segment_descriptors _Global_descriptor_table   [GDT_SIZE];
172
173/*-------------------------------------------------------------------------+
174| Function Prototypes.
175+--------------------------------------------------------------------------*/
176void          _IBMPC_initVideo(void);    /* from 'outch.c'  */
177void          _IBMPC_outch    (char);    /* from 'outch.c'  */
178char          _IBMPC_inch     (void);    /* from 'inch.c'   */
179char          _IBMPC_inch_sleep (void);  /* from 'inch.c'   */
180int           BSP_wait_polled_input(void); /* from 'inch.c' */
181int           rtems_kbpoll( void );      /* from 'inch.c' */
182int           getch( void );             /* from 'inch.c' */
183void           add_to_queue( unsigned short b ); /* from 'inch.c' */
184
185void Wait_X_ms(unsigned int timeToWait); /* from 'timer.c'  */
186void Calibrate_loop_1ms(void);           /* from 'timer.c'  */
187
188void rtems_irq_mngt_init(void);          /* from 'irq_init.c' */
189
190void bsp_size_memory(void);              /* from 'bspstart.c' */
191
192void Clock_driver_install_handler(void); /* from 'ckinit.c'  */
193void Clock_driver_support_initialize_hardware(void); /* from 'ckinit.c'  */
194
195void kbd_reset_setup(char *str, int *ints);   /* from 'pc_keyb.c' */
196size_t read_aux(char * buffer, size_t count); /* from 'ps2_mouse.c'  */
197
198bool bsp_get_serial_mouse_device(             /* from 'serial_mouse.c' */
199  const char **name,
200  const char **type
201);
202
203void register_leds(                           /* from 'keyboard.c' */
204  int console,
205  unsigned int led,
206  unsigned int *addr,
207  unsigned int mask
208);
209
210/* Definitions for BSPConsolePort */
211#define BSP_CONSOLE_PORT_CONSOLE (-1)
212#define BSP_CONSOLE_PORT_COM1    (BSP_UART_COM1)
213#define BSP_CONSOLE_PORT_COM2    (BSP_UART_COM2)
214
215/*
216 * Command line.
217 */
218const char* bsp_cmdline(void);
219const char* bsp_cmdline_arg(const char* arg);
220
221#if BSP_ENABLE_IDE
222/*
223 * IDE command line parsing.
224 */
225void bsp_ide_cmdline_init(void);
226
227/*
228 * indicate, that BSP has IDE driver
229 */
230#define RTEMS_BSP_HAS_IDE_DRIVER
231#endif
232
233/* GDB stub stuff */
234void init_remote_gdb( void );
235void i386_stub_glue_init(int uart);
236void i386_stub_glue_init_breakin(void);
237void breakpoint(void);
238
239#define BSP_MAXIMUM_DEVICES 6
240
241/*
242 * Debug helper methods
243 */
244typedef __FILE FILE;
245uint32_t BSP_irq_count_dump(FILE *f);
246
247/*
248 * Prototypes just called from .S files. This lets the .S file include
249 * bsp.h just to establish the dependency.
250 */
251void raw_idt_notify(void);
252void C_dispatch_isr(int vector);
253
254#ifdef __cplusplus
255}
256#endif
257
258#endif /* !ASM */
259
260#endif /* _BSP_H */
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