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
196
197
198
199
200
201
202
203
|
/* Hwr_init.c
*
* $Id:
*/
#include <bsp.h>
#define PPC603e_SPR_HID0 1008
#define PPC603e_SPR_HID1 1009
#define PPC603e_SPR_IBAT0U 528
#define PPC603e_SPR_IBAT0L 529
#define PPC603e_SPR_DBAT0U 536
#define PPC603e_SPR_DBAT0L 537
#define PPC603e_SPR_IBAT1U 530
#define PPC603e_SPR_IBAT1L 531
#define PPC603e_SPR_DBAT1U 538
#define PPC603e_SPR_DBAT1L 539
#define PPC603e_SPR_IBAT2U 532
#define PPC603e_SPR_IBAT2L 533
#define PPC603e_SPR_DBAT2U 540
#define PPC603e_SPR_DBAT2L 541
#define PPC603e_SPR_IBAT3U 534
#define PPC603e_SPR_IBAT3L 535
#define PPC603e_SPR_DBAT3U 542
#define PPC603e_SPR_DBAT3L 543
#define PPC603e_SPR_DMISS 976
#define PPC603e_SPR_DCMP 977
#define PPC603e_SPR_HASH1 978
#define PPC603e_SPR_HASH2 979
#define PPC603e_SPR_IMISS 980
#define PPC603e_SPR_ICMP 981
#define PPC603e_SPR_RPA 982
#define PPC603e_SPR_SDR1 25
#define PPC603e_SPR_PVR 287
#define PPC603e_SPR_DAR 19
#define PPC603e_SPR_SPRG0 272
#define PPC603e_SPR_SPRG1 273
#define PPC603e_SPR_SPRG2 274
#define PPC603e_SPR_SPRG3 275
#define PPC603e_SPR_DSISR 18
#define PPC603e_SPR_SRR0 26
#define PPC603e_SPR_SRR1 27
#define PPC603e_SPR_TBL_WRITE 284
#define PPC603e_SPR_TBU_WRITE 285
#define PPC603e_SPR_DEC 22
#define PPC603e_SPR_IABR 1010
#define PPC603e_SPR_EAR 282
#define PCI_MEM_CMD (SCORE603E_PCI_MEM_BASE >> 16)
typedef struct {
uint32_t counter_1_100;
uint32_t counter_hours;
uint32_t counter_min;
uint32_t counter_sec;
uint32_t counter_month;
uint32_t counter_date;
uint32_t counter_year;
uint32_t counter_day_of_week;
uint32_t RAM_1_100;
uint32_t RAM_hours;
uint32_t RAM_month;
uint32_t RAM_date;
uint32_t RAM_year;
uint32_t RAM_day_of_week;
uint32_t interupt_status_mask;
uint32_t command_register;
}Harris_RTC;
void init_RTC()
{
volatile Harris_RTC *the_RTC;
the_RTC = (volatile Harris_RTC *)SCORE603E_RTC_ADDRESS;
the_RTC->command_register = 0x0;
}
void init_PCI()
{
#if (SCORE603E_USE_SDS) | (SCORE603E_USE_OPEN_FIRMWARE) | (SCORE603E_USE_NONE)
uint32_t value;
/*
* NOTE: Accessing any memory location not mapped by the BAT
* registers will cause a TLB miss exception.
* Set the DBAT1 to be configured for 256M of PCI MEM
* at 0xC0000000 with Write-through and Guarded Attributed and
* read/write access allowed
*/
/* load DBAT1U (spr538) - 256Mbytes, User, Super */
value = SCORE603E_PCI_MEM_BASE | 0x1FFF;
asm volatile(
"isync;"
"mtspr 538, %0"
: "=r" (value)
: "0" (value)
);
/* load DBAT1L (spr539) - Write-through, Guarded and Read/Write */
value = SCORE603E_PCI_MEM_BASE | 0x0002;
asm volatile (
"mtspr 539, %0;"
"isync"
: "=r" (value)
: "0" (value)
);
#elif (SCORE603E_USE_DINK)
/* DINK Monitor setsup and uses all 4 BAT registers. */
/* The fourth BAT register can be modified to access this area */
#if (0)
/*
* NOTE: Accessing any memory location not mapped by the BAT
* registers will cause a TLB miss exception.
* Set the DBAT3 to be configured for 256M of PCI MEM
* at 0xC0000000 with Write-through and Guarded Attributed and
* read/write access allowed
*/
/* load DBAT3U (spr542) - 256Mbytes, User, Super */
value = SCORE603E_PCI_MEM_BASE | 0x1FFF;
asm volatile(
"isync;"
"mtspr 542, %0"
: "=r" (value)
: "0" (value)
);
/* load DBAT3L (spr543) - Write-through, Guarded and Read/Write */
value = SCORE603E_PCI_MEM_BASE | 0x0002;
asm volatile (
"mtspr 543, %0;"
"isync"
: "=r" (value)
: "0" (value)
);
#endif
#else
#error "SCORE603E BSPSTART.C -- what ROM monitor are you using"
#endif
}
#define PPC_Get_HID0( _value ) \
do { \
_value = 0; /* to avoid warnings */ \
asm volatile( \
"mfspr %0, 0x3f0;" /* get HID0 */ \
"isync" \
: "=r" (_value) \
: "0" (_value) \
); \
} while (0)
#define PPC_Set_HID0( _value ) \
do { \
asm volatile( \
"isync;" \
"mtspr 0x3f0, %0;" /* load HID0 */ \
"isync" \
: "=r" (_value) \
: "0" (_value) \
); \
} while (0)
void instruction_cache_enable ()
{
uint32_t value;
/*
* Enable the instruction cache
*/
PPC_Get_HID0( value );
value |= 0x00008000; /* Set ICE bit */
PPC_Set_HID0( value );
}
void data_cache_enable ()
{
uint32_t value;
/*
* enable data cache
*/
PPC_Get_HID0( value );
value |= 0x00004000; /* set DCE bit */
PPC_Set_HID0( value );
}
|
