RTEMS: bsps/sparc/leon3/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 SPARC simulator definitions.
12 *
13 * COPYRIGHT (c) 1989-1998.
14 * On-Line Applications Research Corporation (OAR).
15 *
16 * The license and distribution terms for this file may be
17 * found in the file LICENSE in this distribution or at
18 * http://www.rtems.org/license/LICENSE.
19 *
20 * Ported to ERC32 implementation of the SPARC by On-Line Applications
21 * Research Corporation (OAR) under contract to the European Space
22 * Agency (ESA).
23 *
24 * ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
25 * European Space Agency.
26 */
27
28#ifndef LIBBSP_SPARC_LEON3_BSP_H
29#define LIBBSP_SPARC_LEON3_BSP_H
30
31#include <bspopts.h>
32#include <bsp/default-initial-extension.h>
33
34#include <rtems.h>
35#include <leon.h>
36#include <rtems/irq-extension.h>
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
52/* SPARC CPU variant: LEON3 */
53#define LEON3 1
54
55/*
56 * BSP provides its own Idle thread body
57 */
58void *bsp_idle_thread( uintptr_t ignored );
59#define BSP_IDLE_TASK_BODY bsp_idle_thread
60
61/* Maximum supported APBUARTs by BSP */
62#define BSP_NUMBER_OF_TERMIOS_PORTS 8
63
64/*
65 * Network driver configuration
66 */
67struct rtems_bsdnet_ifconfig;
68extern int rtems_leon_open_eth_driver_attach(
69 struct rtems_bsdnet_ifconfig *config,
70 int attach
71);
72extern int rtems_smc91111_driver_attach_leon3(
73 struct rtems_bsdnet_ifconfig *config,
74 int attach
75);
76extern int rtems_leon_greth_driver_attach(
77 struct rtems_bsdnet_ifconfig *config,
78 int attach
79);
80
81#define RTEMS_BSP_NETWORK_DRIVER_NAME_OPENETH "open_eth1"
82#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_OPENETH \
83 rtems_leon_open_eth_driver_attach
84#define RTEMS_BSP_NETWORK_DRIVER_NAME_SMC91111 "smc_eth1"
85#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_SMC91111 \
86 rtems_smc91111_driver_attach_leon3
87#define RTEMS_BSP_NETWORK_DRIVER_NAME_GRETH "gr_eth1"
88#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_GRETH \
89 rtems_leon_greth_driver_attach
90
91#ifndef RTEMS_BSP_NETWORK_DRIVER_NAME
92#define RTEMS_BSP_NETWORK_DRIVER_NAME RTEMS_BSP_NETWORK_DRIVER_NAME_GRETH
93#define RTEMS_BSP_NETWORK_DRIVER_ATTACH RTEMS_BSP_NETWORK_DRIVER_ATTACH_GRETH
94#endif
95
96#define HAS_SMC91111
97
98/* Configure GRETH driver */
99#define GRETH_SUPPORTED
100#define GRETH_MEM_LOAD(addr) leon_r32_no_cache((uintptr_t)addr)
101
102extern int CPU_SPARC_HAS_SNOOPING;
103
104/* Constants */
105
106/*
107 * Information placed in the linkcmds file.
108 */
109
110extern int RAM_START;
111extern int RAM_END;
112extern int RAM_SIZE;
113
114extern int PROM_START;
115extern int PROM_END;
116extern int PROM_SIZE;
117
118extern int CLOCK_SPEED;
119
120extern int end; /* last address in the program */
121
122/* miscellaneous stuff assumed to exist */
123
124rtems_isr_entry set_vector( /* returns old vector */
125 rtems_isr_entry handler, /* isr routine */
126 rtems_vector_number vector, /* vector number */
127 int type /* RTEMS or RAW intr */
128);
129
130void BSP_fatal_exit(uint32_t error);
131
132void bsp_spurious_initialize( void );
133
134/*
135 * Delay for the specified number of microseconds.
136 */
137void rtems_bsp_delay(int usecs);
138
139/* Interrupt Service Routine (ISR) pointer */
140typedef void (*bsp_shared_isr)(void *arg);
141
142/* Initializes the Shared System Interrupt service */
143extern void BSP_shared_interrupt_init(void);
144
145/* Called directly from IRQ trap handler TRAP[0x10..0x1F] = IRQ[0..15] */
146void bsp_isr_handler(rtems_vector_number vector);
147
148/* Registers a shared IRQ handler, and enable it at IRQ controller. Multiple
149 * interrupt handlers may use the same IRQ number, all ISRs will be called
150 * when an interrupt on that line is fired.
151 *
152 * Arguments
153 * irq System IRQ number
154 * info Optional Name of IRQ source
155 * isr Function pointer to the ISR
156 * arg Second argument to function isr
157 */
158static __inline__ int BSP_shared_interrupt_register
159 (
160 int irq,
161 const char *info,
162 bsp_shared_isr isr,
163 void *arg
164 )
165{
166 return rtems_interrupt_handler_install(irq, info,
167 RTEMS_INTERRUPT_SHARED, isr, arg);
168}
169
170/* Unregister previously registered shared IRQ handler.
171 *
172 * Arguments
173 * irq System IRQ number
174 * isr Function pointer to the ISR
175 * arg Second argument to function isr
176 */
177static __inline__ int BSP_shared_interrupt_unregister
178 (
179 int irq,
180 bsp_shared_isr isr,
181 void *arg
182 )
183{
184 return rtems_interrupt_handler_remove(irq, isr, arg);
185}
186
187/* Clear interrupt pending on IRQ controller, this is typically done on a
188 * level triggered interrupt source such as PCI to avoid taking double IRQs.
189 * In such a case the interrupt source must be cleared first on LEON, before
190 * acknowledging the IRQ with this function.
191 *
192 * Arguments
193 * irq System IRQ number
194 */
195extern void BSP_shared_interrupt_clear(int irq);
196
197/* Enable Interrupt. This function will unmask the IRQ at the interrupt
198 * controller. This is normally done by _register(). Note that this will
199 * affect all ISRs on this IRQ.
200 *
201 * Arguments
202 * irq System IRQ number
203 */
204extern void BSP_shared_interrupt_unmask(int irq);
205
206/* Disable Interrupt. This function will mask one IRQ at the interrupt
207 * controller. This is normally done by _unregister(). Note that this will
208 * affect all ISRs on this IRQ.
209 *
210 * Arguments
211 * irq System IRQ number
212 */
213extern void BSP_shared_interrupt_mask(int irq);
214
215#if defined(RTEMS_SMP) || defined(RTEMS_MULTIPROCESSING)
216/* Irq used by the shared memory driver and for inter-processor interrupts.
217 * The variable is weakly linked. Redefine the variable in your application
218 * to override the BSP default.
219 */
220extern const unsigned char LEON3_mp_irq;
221#endif
222
223#ifdef RTEMS_SMP
224/* Weak table used to implement static interrupt CPU affinity in a SMP
225 * configuration. The array index is the interrupt to be looked up, and
226 * the array[INTERRUPT] content is the CPU number relative to boot CPU
227 * index that will be servicing the interrupts from the IRQ source. The
228 * default is to let the first CPU (the boot cpu) to handle all
229 * interrupts (all zeros).
230 */
231extern const unsigned char LEON3_irq_to_cpu[32];
232#endif
233
234/* Common driver build-time configurations. On small systems undefine
235 * [DRIVER]_INFO_AVAIL to avoid info routines get dragged in. It is good
236 * for debugging and printing information about the system, but makes the
237 * image bigger.
238 */
239#define AMBAPPBUS_INFO_AVAIL /* AMBAPP Bus driver */
240#define APBUART_INFO_AVAIL /* APBUART Console driver */
241#define GPTIMER_INFO_AVAIL /* GPTIMER Timer driver */
242#define GRETH_INFO_AVAIL /* GRETH Ethernet driver */
243
244#ifdef __cplusplus
245}
246#endif
247
250#endif
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
bsp_idle_thread
void * bsp_idle_thread(uintptr_t ignored)
Optimized idle task.
Definition: bspidle.c:26
rtems_interrupt_handler_install
rtems_status_code rtems_interrupt_handler_install(rtems_vector_number vector, const char *info, rtems_option options, rtems_interrupt_handler handler, void *arg)
Installs the interrupt handler routine handler for the interrupt vector with number vector.
Definition: irq.c:127
RTEMS_INTERRUPT_SHARED
#define RTEMS_INTERRUPT_SHARED
Allows that this interrupt handler may share a common interrupt vector with other handler.
Definition: irq-extension.h:50
rtems_interrupt_handler_remove
rtems_status_code rtems_interrupt_handler_remove(rtems_vector_number vector, rtems_interrupt_handler handler, void *arg)
Removes the interrupt handler routine handler with argument arg for the interrupt vector with number ...
Definition: irq.c:175
irq-extension.h
Header file for the Interrupt Manager Extension.
leon.h
LEON3 BSP data types and macros.
rtems.h
config_s
Definition: deflate.c:115