25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: dev_algor.c,v 1.2 2006/03/31 23:20:25 debug Exp $ |
* $Id: dev_algor.c,v 1.3 2006/08/14 17:45:47 debug Exp $ |
29 |
* |
* |
30 |
* Algor misc. stuff. |
* Algor misc. stuff. |
31 |
* |
* |
32 |
* TODO: This is hardcoded for P5064 right now. Generalize it to P40xx etc. |
* TODO: This is hardcoded for P5064 right now. Generalize it to P40xx etc. |
33 |
|
* |
34 |
|
* CPU irq 2 = ISA, 3 = PCI, 4 = Local. |
35 |
*/ |
*/ |
36 |
|
|
37 |
#include <stdio.h> |
#include <stdio.h> |
61 |
|
|
62 |
switch (relative_addr) { |
switch (relative_addr) { |
63 |
|
|
64 |
|
case P5064_LED1 + 0x0: |
65 |
|
case P5064_LED1 + 0x4: |
66 |
|
case P5064_LED1 + 0x8: |
67 |
|
case P5064_LED1 + 0xc: |
68 |
|
break; |
69 |
|
|
70 |
case P5064_LOCINT: |
case P5064_LOCINT: |
71 |
{ |
/* |
72 |
|
* TODO: See how ISAINT is implemented. |
73 |
|
* |
74 |
|
* Implemented so far: COM1 only. |
75 |
|
*/ |
76 |
|
n = "P5064_LOCINT"; |
77 |
|
if (writeflag == MEM_READ) { |
78 |
|
/* Ugly hack for NetBSD startup. TODO: fix */ |
79 |
static int x = 0; |
static int x = 0; |
80 |
x ++; |
if (((++ x) & 0xffff) == 0) |
|
odata = LOCINT_PCIBR; |
|
|
if ((x & 0xffff) == 0) |
|
81 |
odata |= LOCINT_RTC; |
odata |= LOCINT_RTC; |
82 |
|
|
83 |
|
if (cpu->machine->isa_pic_data.pic1->irr & |
84 |
|
~cpu->machine->isa_pic_data.pic1->ier & 0x10) |
85 |
|
odata |= LOCINT_COM1; |
86 |
|
if (cpu->machine->isa_pic_data.pic1->irr & |
87 |
|
~cpu->machine->isa_pic_data.pic1->ier & 0x08) |
88 |
|
odata |= LOCINT_COM2; |
89 |
|
|
90 |
|
/* Read => ack: */ |
91 |
|
cpu->machine->isa_pic_data.pic1->irr &= ~0x18; |
92 |
|
cpu_interrupt_ack(cpu, 4); |
93 |
|
} else { |
94 |
|
if (idata & LOCINT_COM1) |
95 |
|
cpu->machine->isa_pic_data.pic1->ier &= ~0x10; |
96 |
|
else |
97 |
|
cpu->machine->isa_pic_data.pic1->ier |= 0x10; |
98 |
|
if (idata & LOCINT_COM2) |
99 |
|
cpu->machine->isa_pic_data.pic1->ier &= ~0x08; |
100 |
|
else |
101 |
|
cpu->machine->isa_pic_data.pic1->ier |= 0x08; |
102 |
|
} |
103 |
|
break; |
104 |
|
|
105 |
|
case P5064_PANIC: |
106 |
|
n = "P5064_PANIC"; |
107 |
|
if (writeflag == MEM_READ) |
108 |
|
odata = 0; |
109 |
|
break; |
110 |
|
|
111 |
|
case P5064_PCIINT: |
112 |
|
/* |
113 |
|
* TODO: See how ISAINT is implemented. |
114 |
|
*/ |
115 |
|
n = "P5064_PCIINT"; |
116 |
|
if (writeflag == MEM_READ) { |
117 |
|
odata = 0; |
118 |
|
cpu_interrupt_ack(cpu, 3); |
119 |
} |
} |
120 |
break; |
break; |
121 |
|
|
122 |
|
case P5064_ISAINT: |
123 |
|
/* |
124 |
|
* ISA interrupts: |
125 |
|
* |
126 |
|
* Bit: IRQ Source: |
127 |
|
* 0 ISAINT_ISABR |
128 |
|
* 1 ISAINT_IDE0 |
129 |
|
* 2 ISAINT_IDE1 |
130 |
|
* |
131 |
|
* NOTE/TODO: Ugly redirection to the ISA controller. |
132 |
|
*/ |
133 |
|
n = "P5064_ISAINT"; |
134 |
|
if (writeflag == MEM_WRITE) { |
135 |
|
if (idata & ISAINT_IDE0) |
136 |
|
cpu->machine->isa_pic_data.pic2->ier &= ~0x40; |
137 |
|
else |
138 |
|
cpu->machine->isa_pic_data.pic2->ier |= 0x40; |
139 |
|
if (idata & ISAINT_IDE1) |
140 |
|
cpu->machine->isa_pic_data.pic2->ier &= ~0x80; |
141 |
|
else |
142 |
|
cpu->machine->isa_pic_data.pic2->ier |= 0x80; |
143 |
|
cpu->machine->isa_pic_data.pic1->ier &= ~0x04; |
144 |
|
} else { |
145 |
|
if (cpu->machine->isa_pic_data.pic2->irr & |
146 |
|
~cpu->machine->isa_pic_data.pic2->ier & 0x40) |
147 |
|
odata |= ISAINT_IDE0; |
148 |
|
if (cpu->machine->isa_pic_data.pic2->irr & |
149 |
|
~cpu->machine->isa_pic_data.pic2->ier & 0x80) |
150 |
|
odata |= ISAINT_IDE1; |
151 |
|
|
152 |
|
/* Read => ack: */ |
153 |
|
cpu->machine->isa_pic_data.pic2->irr &= ~0xc0; |
154 |
|
cpu_interrupt_ack(cpu, 2); |
155 |
|
} |
156 |
|
break; |
157 |
|
|
158 |
|
case P5064_KBDINT: |
159 |
|
/* |
160 |
|
* TODO: See how ISAINT is implemented. |
161 |
|
*/ |
162 |
|
n = "P5064_KBDINT"; |
163 |
|
if (writeflag == MEM_READ) |
164 |
|
odata = 0; |
165 |
|
break; |
166 |
|
|
167 |
default:if (writeflag == MEM_READ) { |
default:if (writeflag == MEM_READ) { |
168 |
fatal("[ algor: read from 0x%x ]\n", |
fatal("[ algor: read from 0x%x ]\n", |
169 |
(int)relative_addr); |
(int)relative_addr); |
175 |
|
|
176 |
if (n != NULL) { |
if (n != NULL) { |
177 |
if (writeflag == MEM_READ) { |
if (writeflag == MEM_READ) { |
178 |
debug("[ algor: read from %s ]\n", n); |
debug("[ algor: read from %s: 0x%"PRIx64" ]\n", |
179 |
|
n, (uint64_t) odata); |
180 |
} else { |
} else { |
181 |
debug("[ algor: write to %s: 0x%"PRIx64" ]\n", |
debug("[ algor: write to %s: 0x%"PRIx64" ]\n", |
182 |
n, (uint64_t) idata); |
n, (uint64_t) idata); |