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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/**
* @file
*
* @ingroup RTEMSBSPsM68kUC5282
*
* @brief Global BSP definitions.
*/
/*
* uC5282 BSP header file
*
* Author: W. Eric Norum <norume@aps.anl.gov>
*
* COPYRIGHT (c) 2005.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBBSP_M68K_UC5282_BSP_H
#define LIBBSP_M68K_UC5282_BSP_H
/**
* @defgroup RTEMSBSPsM68kUC5282 uC5282
*
* @ingroup RTEMSBSPsM68k
*
* @brief uC5282 Board Support Package.
*
* @{
*/
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
#include <rtems.h>
#include <rtems/bspIo.h>
#ifdef __cplusplus
extern "C" {
#endif
/***************************************************************************/
/** BSP Configuration **/
/*
* Uncomment to use instruction/data cache
* Leave commented to use instruction-only cache
*/
#define RTEMS_MCF5282_BSP_ENABLE_DATA_CACHE
/***************************************************************************/
/** Hardware data structure headers **/
#include <mcf5282/mcf5282.h> /* internal MCF5282 modules */
/***************************************************************************/
/** Network driver configuration **/
struct rtems_bsdnet_ifconfig;
extern int rtems_fec_driver_attach (struct rtems_bsdnet_ifconfig *config, int attaching );
#define RTEMS_BSP_NETWORK_DRIVER_NAME "fs1"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_fec_driver_attach
/***************************************************************************/
/** User Definable configuration **/
/* define which port the console should use - all other ports are then defined as general purpose */
#define CONSOLE_PORT 0
/* functions */
typedef struct {
unsigned int l;
void *v;
} bsp_mnode_t;
#define RTEMS_BSP_PGM_ERASE_FIRST 0x1
#define RTEMS_BSP_PGM_RESET_AFTER 0x2
#define RTEMS_BSP_PGM_EXEC_AFTER 0x4
#define RTEMS_BSP_PGM_HALT_AFTER 0x8
uint32_t bsp_get_CPU_clock_speed(void);
rtems_status_code bsp_allocate_interrupt(int level, int priority);
int bsp_sysReset(int flags);
int bsp_program(bsp_mnode_t *chain, int flags);
unsigned const char *bsp_gethwaddr(int a);
const char *bsp_getbenv(const char *a);
int bsp_flash_erase_range(volatile unsigned short *flashptr, int start, int end);
int bsp_flash_write_range(volatile unsigned short *flashptr, bsp_mnode_t *chain, int offset);
rtems_isr_entry set_vector(
rtems_isr_entry handler,
rtems_vector_number vector,
int type
);
/*
* Interrupt assignments
* Highest-priority listed first
*/
#define FEC_IRQ_LEVEL 4
#define FEC_IRQ_RX_PRIORITY 7
#define FEC_IRQ_TX_PRIORITY 6
#define PIT3_IRQ_LEVEL 4
#define PIT3_IRQ_PRIORITY 0
#define UART0_IRQ_LEVEL 3
#define UART0_IRQ_PRIORITY 7
#define UART1_IRQ_LEVEL 3
#define UART1_IRQ_PRIORITY 6
#define UART2_IRQ_LEVEL 3
#define UART2_IRQ_PRIORITY 5
/*
* Fake VME support
* This makes it easier to use EPICS driver support on this BSP.
*/
#define VME_AM_STD_SUP_ASCENDING 0x3f
#define VME_AM_STD_SUP_PGM 0x3e
#define VME_AM_STD_USR_ASCENDING 0x3b
#define VME_AM_STD_USR_PGM 0x3a
#define VME_AM_STD_SUP_DATA 0x3d
#define VME_AM_STD_USR_DATA 0x39
#define VME_AM_EXT_SUP_ASCENDING 0x0f
#define VME_AM_EXT_SUP_PGM 0x0e
#define VME_AM_EXT_USR_ASCENDING 0x0b
#define VME_AM_EXT_USR_PGM 0x0a
#define VME_AM_EXT_SUP_DATA 0x0d
#define VME_AM_EXT_USR_DATA 0x09
#define VME_AM_SUP_SHORT_IO 0x2d
#define VME_AM_USR_SHORT_IO 0x29
/*
* 'Extended' BSP support
*/
rtems_status_code bspExtInit(void);
typedef void (*BSP_VME_ISR_t)(void *usrArg, unsigned long vector);
BSP_VME_ISR_t BSP_getVME_isr(unsigned long vector, void **parg);
int BSP_installVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *usrArg);
int BSP_removeVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *usrArg);
int BSP_enableVME_int_lvl(unsigned int level);
int BSP_disableVME_int_lvl(unsigned int level);
int BSP_vme2local_adrs(unsigned am, unsigned long vmeaddr, unsigned long *plocaladdr);
/*
* This BSP provides its own IDLE task to override the RTEMS one.
* So we prototype it and define the constant confdefs.h expects
* to configure a BSP specific one.
*/
void *bsp_idle_thread( uintptr_t ignored );
#define BSP_IDLE_TASK_BODY bsp_idle_thread
/*
* The custom IDLE task keeps some idle statistics.
*/
int bsp_cpu_load_percentage(void);
/*
* This is a helper method to determine the cause of a reset.
*/
void bsp_reset_cause(char *buf, size_t capacity);
/*
* SRAM. The BSP uses SRAM for maintaining some clock-driver data
* and for ethernet descriptors (and the initial stack during
* early boot).
*/
typedef struct mcf5282BufferDescriptor_ {
volatile uint16_t status;
uint16_t length;
volatile void *buffer;
} mcf5282BufferDescriptor_t;
extern struct {
uint32_t idle_counter;
uint32_t filtered_idle;
uint32_t max_idle_count;
uint32_t pitc_per_tick;
uint32_t nsec_per_pitc;
uint32_t pad[3]; /* align to 16-bytes for descriptors */
mcf5282BufferDescriptor_t fec_descriptors[];
/* buffer descriptors are allocated from here */
/* initial stack is at top of SRAM (start.S) */
} __SRAMBASE;
#ifdef __cplusplus
}
#endif
/** @} */
#endif
|
