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
204
205
206
207
208
209
|
/****************************************************************************/
/*
* m5249sim.h -- ColdFire 5249 System Integration Module support.
*
* (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
*/
/****************************************************************************/
#ifndef m5249sim_h
#define m5249sim_h
/****************************************************************************/
/*
* Define the 5249 SIM register set addresses.
*/
#define MCFSIM_RSR 0x00 /* Reset Status reg (r/w) */
#define MCFSIM_SYPCR 0x01 /* System Protection reg (r/w)*/
#define MCFSIM_SWIVR 0x02 /* SW Watchdog intr reg (r/w) */
#define MCFSIM_SWSR 0x03 /* SW Watchdog service (r/w) */
#define MCFSIM_PAR 0x04 /* Pin Assignment reg (r/w) */
#define MCFSIM_IRQPAR 0x06 /* Interrupt Assignment reg (r/w) */
#define MCFSIM_MPARK 0x0C /* BUS Master Control Reg*/
#define MCFSIM_IPR 0x40 /* Interrupt Pend reg (r/w) */
#define MCFSIM_IMR 0x44 /* Interrupt Mask reg (r/w) */
#define MCFSIM_AVR 0x4b /* Autovector Ctrl reg (r/w) */
#define MCFSIM_ICR0 0x4c /* Intr Ctrl reg 0 (r/w) */
#define MCFSIM_ICR1 0x4d /* Intr Ctrl reg 1 (r/w) */
#define MCFSIM_ICR2 0x4e /* Intr Ctrl reg 2 (r/w) */
#define MCFSIM_ICR3 0x4f /* Intr Ctrl reg 3 (r/w) */
#define MCFSIM_ICR4 0x50 /* Intr Ctrl reg 4 (r/w) */
#define MCFSIM_ICR5 0x51 /* Intr Ctrl reg 5 (r/w) */
#define MCFSIM_ICR6 0x52 /* Intr Ctrl reg 6 (r/w) */
#define MCFSIM_ICR7 0x53 /* Intr Ctrl reg 7 (r/w) */
#define MCFSIM_ICR8 0x54 /* Intr Ctrl reg 8 (r/w) */
#define MCFSIM_ICR9 0x55 /* Intr Ctrl reg 9 (r/w) */
#define MCFSIM_ICR10 0x56 /* Intr Ctrl reg 10 (r/w) */
#define MCFSIM_ICR11 0x57 /* Intr Ctrl reg 11 (r/w) */
#define MCFSIM_CSAR0 0x80 /* CS 0 Address 0 reg (r/w) */
#define MCFSIM_CSMR0 0x84 /* CS 0 Mask 0 reg (r/w) */
#define MCFSIM_CSCR0 0x8a /* CS 0 Control reg (r/w) */
#define MCFSIM_CSAR1 0x8c /* CS 1 Address reg (r/w) */
#define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */
#define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */
#define MCFSIM_CSAR2 0x98 /* CS 2 Adress reg (r/w) */
#define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */
#define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */
#define MCFSIM_CSAR3 0xa4 /* CS 3 Adress reg (r/w) */
#define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */
#define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */
#define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */
#define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */
#define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */
#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */
#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */
/*
* Some symbol defines for the above...
*/
#define MCFSIM_SWDICR MCFSIM_ICR0 /* Watchdog timer ICR */
#define MCFSIM_TIMER1ICR MCFSIM_ICR1 /* Timer 1 ICR */
#define MCFSIM_TIMER2ICR MCFSIM_ICR2 /* Timer 2 ICR */
#define MCFSIM_UART1ICR MCFSIM_ICR4 /* UART 1 ICR */
#define MCFSIM_UART2ICR MCFSIM_ICR5 /* UART 2 ICR */
#define MCFSIM_DMA0ICR MCFSIM_ICR6 /* DMA 0 ICR */
#define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */
#define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
#define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
/*
* General purpose IO registers (in MBAR2).
*/
#define MCFSIM2_GPIOREAD 0x0 /* GPIO read values */
#define MCFSIM2_GPIOWRITE 0x4 /* GPIO write values */
#define MCFSIM2_GPIOENABLE 0x8 /* GPIO enabled */
#define MCFSIM2_GPIOFUNC 0xc /* GPIO function */
#define MCFSIM2_GPIO1READ 0xb0 /* GPIO1 read values */
#define MCFSIM2_GPIO1WRITE 0xb4 /* GPIO1 write values */
#define MCFSIM2_GPIO1ENABLE 0xb8 /* GPIO1 enabled */
#define MCFSIM2_GPIO1FUNC 0xbc /* GPIO1 function */
#define MCFSIM2_GPIOINTSTAT 0xc0 /* GPIO interrupt status */
#define MCFSIM2_GPIOINTCLEAR 0xc0 /* GPIO interrupt clear */
#define MCFSIM2_GPIOINTENABLE 0xc4 /* GPIO interrupt enable */
#define MCFSIM2_INTLEVEL1 0x140 /* Interrupt level reg 1 */
#define MCFSIM2_INTLEVEL2 0x144 /* Interrupt level reg 2 */
#define MCFSIM2_INTLEVEL3 0x148 /* Interrupt level reg 3 */
#define MCFSIM2_INTLEVEL4 0x14c /* Interrupt level reg 4 */
#define MCFSIM2_INTLEVEL5 0x150 /* Interrupt level reg 5 */
#define MCFSIM2_INTLEVEL6 0x154 /* Interrupt level reg 6 */
#define MCFSIM2_INTLEVEL7 0x158 /* Interrupt level reg 7 */
#define MCFSIM2_INTLEVEL8 0x15c /* Interrupt level reg 8 */
#define MCFSIM2_DMAROUTE 0x188 /* DMA routing */
#define MCFSIM2_IDECONFIG1 0x18c /* IDEconfig1 */
#define MCFSIM2_IDECONFIG2 0x190 /* IDEconfig2 */
/*
* Macro to set IMR register. It is 32 bits on the 5249.
*/
#define MCFSIM_IMR_MASKALL 0x7fffe /* All SIM intr sources */
#define mcf_getimr() \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
#define mcf_setimr(imr) \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
#define mcf_getipr() \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
/****************************************************************************/
#ifdef __ASSEMBLER__
/*
* The M5249C3 board needs a little help getting all its SIM devices
* initialized at kernel start time. dBUG doesn't set much up, so
* we need to do it manually.
*/
.macro m5249c3_setup
/*
* Set MBAR1 and MBAR2, just incase they are not set.
*/
movel #0x10000001,%a0
movec %a0,%MBAR /* map MBAR region */
subql #1,%a0 /* get MBAR address in a0 */
movel #0x80000001,%a1
movec %a1,#3086 /* map MBAR2 region */
subql #1,%a1 /* get MBAR2 address in a1 */
/*
* Move secondary interrupts to base at 128.
*/
moveb #0x80,%d0
moveb %d0,0x16b(%a1) /* interrupt base register */
/*
* Work around broken CSMR0/DRAM vector problem.
*/
movel #0x001F0021,%d0 /* disable C/I bit */
movel %d0,0x84(%a0) /* set CSMR0 */
/*
* Disable the PLL firstly. (Who knows what state it is
* in here!).
*/
movel 0x180(%a1),%d0 /* get current PLL value */
andl #0xfffffffe,%d0 /* PLL bypass first */
movel %d0,0x180(%a1) /* set PLL register */
nop
#ifdef CONFIG_CLOCK_140MHz
/*
* Set initial clock frequency. This assumes M5249C3 board
* is fitted with 11.2896MHz crystal. It will program the
* PLL for 140MHz. Lets go fast :-)
*/
movel #0x125a40f0,%d0 /* set for 140MHz */
movel %d0,0x180(%a1) /* set PLL register */
orl #0x1,%d0
movel %d0,0x180(%a1) /* set PLL register */
#endif
/*
* Setup CS1 for ethernet controller.
* (Setup as per M5249C3 doco).
*/
movel #0xe0000000,%d0 /* CS1 mapped at 0xe0000000 */
movel %d0,0x8c(%a0)
movel #0x001f0021,%d0 /* CS1 size of 1Mb */
movel %d0,0x90(%a0)
movew #0x0080,%d0 /* CS1 = 16bit port, AA */
movew %d0,0x96(%a0)
/*
* Setup CS2 for IDE interface.
*/
movel #0x50000000,%d0 /* CS2 mapped at 0x50000000 */
movel %d0,0x98(%a0)
movel #0x001f0001,%d0 /* CS2 size of 1MB */
movel %d0,0x9c(%a0)
movew #0x0080,%d0 /* CS2 = 16bit, TA */
movew %d0,0xa2(%a0)
movel #0x00107000,%d0 /* IDEconfig1 */
movel %d0,0x18c(%a1)
movel #0x000c0400,%d0 /* IDEconfig2 */
movel %d0,0x190(%a1)
movel #0x00080000,%d0 /* GPIO19, IDE reset bit */
orl %d0,0xc(%a1) /* function GPIO19 */
orl %d0,0x8(%a1) /* enable GPIO19 as output */
orl %d0,0x4(%a1) /* de-assert IDE reset */
.endm
#define PLATFORM_SETUP m5249c3_setup
#endif /* __ASSEMBLER__ */
/****************************************************************************/
#endif /* m5249sim_h */
|
