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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
|
/*
* BRIEF MODULE DESCRIPTION
* IT8172/QED5231 board setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/serial_reg.h>
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/root_dev.h>
#include <linux/pm.h>
#include <asm/cpu.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/traps.h>
#include <asm/it8172/it8172.h>
#include <asm/it8712.h>
extern struct resource ioport_resource;
#ifdef CONFIG_SERIO_I8042
int init_8712_keyboard(void);
#endif
extern int SearchIT8712(void);
extern void InitLPCInterface(void);
extern char * __init prom_getcmdline(void);
extern void it8172_restart(char *command);
extern void it8172_halt(void);
extern void it8172_power_off(void);
extern void it8172_time_init(void);
extern void it8172_timer_setup(struct irqaction *irq);
#ifdef CONFIG_IT8172_REVC
struct {
struct resource ram;
struct resource pci_mem;
struct resource pci_io;
struct resource flash;
struct resource boot;
} it8172_resources = {
{
.start = 0, /* to be initted */
.end = 0,
.name = "RAM",
.flags = IORESOURCE_MEM
}, {
.start = 0x10000000,
.end = 0x13FFFFFF,
.name = "PCI Mem",
.flags = IORESOURCE_MEM
}, {
.start = 0x14000000,
.end = 0x17FFFFFF
.name = "PCI I/O",
}, {
.start = 0x08000000,
.end = 0x0CFFFFFF
.name = "Flash",
}, {
.start = 0x1FC00000,
.end = 0x1FFFFFFF
.name = "Boot ROM",
}
};
#else
struct {
struct resource ram;
struct resource pci_mem0;
struct resource pci_mem1;
struct resource pci_io;
struct resource pci_mem2;
struct resource pci_mem3;
struct resource flash;
struct resource boot;
} it8172_resources = {
{
.start = 0, /* to be initted */
.end = 0,
.name = "RAM",
.flags = IORESOURCE_MEM
}, {
.start = 0x0C000000,
.end = 0x0FFFFFFF,
.name = "PCI Mem0",
.flags = IORESOURCE_MEM
}, {
.start = 0x10000000,
.end = 0x13FFFFFF,
.name = "PCI Mem1",
.flags = IORESOURCE_MEM
}, {
.start = 0x14000000,
.end = 0x17FFFFFF
.name = "PCI I/O",
}, {
.start = 0x1A000000,
.end = 0x1BFFFFFF,
.name = "PCI Mem2",
.flags = IORESOURCE_MEM
}, {
.start = 0x1C000000,
.end = 0x1FBFFFFF,
.name = "PCI Mem3",
.flags = IORESOURCE_MEM
}, {
.start = 0x08000000,
.end = 0x0CFFFFFF
.name = "Flash",
}, {
.start = 0x1FC00000,
.end = 0x1FFFFFFF
.name = "Boot ROM",
}
};
#endif
void __init it8172_init_ram_resource(unsigned long memsize)
{
it8172_resources.ram.end = memsize;
}
void __init plat_mem_setup(void)
{
unsigned short dsr;
char *argptr;
argptr = prom_getcmdline();
#ifdef CONFIG_SERIAL_CONSOLE
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,115200");
}
#endif
clear_c0_status(ST0_FR);
board_time_init = it8172_time_init;
board_timer_setup = it8172_timer_setup;
_machine_restart = it8172_restart;
_machine_halt = it8172_halt;
pm_power_off = it8172_power_off;
/*
* IO/MEM resources.
*
* revisit this area.
*/
set_io_port_base(KSEG1);
ioport_resource.start = it8172_resources.pci_io.start;
ioport_resource.end = it8172_resources.pci_io.end;
#ifdef CONFIG_IT8172_REVC
iomem_resource.start = it8172_resources.pci_mem.start;
iomem_resource.end = it8172_resources.pci_mem.end;
#else
iomem_resource.start = it8172_resources.pci_mem0.start;
iomem_resource.end = it8172_resources.pci_mem3.end;
#endif
#ifdef CONFIG_BLK_DEV_INITRD
ROOT_DEV = Root_RAM0;
#endif
/*
* Pull enabled devices out of standby
*/
IT_IO_READ16(IT_PM_DSR, dsr);
/*
* Fixme: This breaks when these drivers are modules!!!
*/
#ifdef CONFIG_SOUND_IT8172
dsr &= ~IT_PM_DSR_ACSB;
#else
dsr |= IT_PM_DSR_ACSB;
#endif
#ifdef CONFIG_BLK_DEV_IT8172
dsr &= ~IT_PM_DSR_IDESB;
#else
dsr |= IT_PM_DSR_IDESB;
#endif
IT_IO_WRITE16(IT_PM_DSR, dsr);
InitLPCInterface();
#ifdef CONFIG_MIPS_ITE8172
if (SearchIT8712()) {
printk("Found IT8712 Super IO\n");
/* enable IT8712 serial port */
LPCSetConfig(LDN_SERIAL1, 0x30, 0x01); /* enable */
LPCSetConfig(LDN_SERIAL1, 0x23, 0x01); /* clock selection */
#ifdef CONFIG_SERIO_I8042
if (init_8712_keyboard()) {
printk("Unable to initialize keyboard\n");
LPCSetConfig(LDN_KEYBOARD, 0x30, 0x0); /* disable keyboard */
} else {
LPCSetConfig(LDN_KEYBOARD, 0x30, 0x1); /* enable keyboard */
LPCSetConfig(LDN_KEYBOARD, 0xf0, 0x2);
LPCSetConfig(LDN_KEYBOARD, 0x71, 0x3);
LPCSetConfig(LDN_MOUSE, 0x30, 0x1); /* enable mouse */
LPCSetConfig(0x4, 0x30, 0x1);
LPCSetConfig(0x4, 0xf4, LPCGetConfig(0x4, 0xf4) | 0x80);
if ((LPCGetConfig(LDN_KEYBOARD, 0x30) == 0) ||
(LPCGetConfig(LDN_MOUSE, 0x30) == 0))
printk("Error: keyboard or mouse not enabled\n");
}
#endif
}
else {
printk("IT8712 Super IO not found\n");
}
#endif
#ifdef CONFIG_IT8172_CIR
{
unsigned long data;
//printk("Enabling CIR0\n");
IT_IO_READ16(IT_PM_DSR, data);
data &= ~IT_PM_DSR_CIR0SB;
IT_IO_WRITE16(IT_PM_DSR, data);
//printk("DSR register: %x\n", (unsigned)IT_IO_READ16(IT_PM_DSR, data));
}
#endif
#ifdef CONFIG_IT8172_SCR0
{
unsigned i;
/* Enable Smart Card Reader 0 */
/* First power it up */
IT_IO_READ16(IT_PM_DSR, i);
i &= ~IT_PM_DSR_SCR0SB;
IT_IO_WRITE16(IT_PM_DSR, i);
/* Then initialize its registers */
outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
|IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
|IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
|IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
|IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SFR);
outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SCDR);
}
#endif /* CONFIG_IT8172_SCR0 */
#ifdef CONFIG_IT8172_SCR1
{
unsigned i;
/* Enable Smart Card Reader 1 */
/* First power it up */
IT_IO_READ16(IT_PM_DSR, i);
i &= ~IT_PM_DSR_SCR1SB;
IT_IO_WRITE16(IT_PM_DSR, i);
/* Then initialize its registers */
outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
|IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
|IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
|IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
|IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SFR);
outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SCDR);
}
#endif /* CONFIG_IT8172_SCR1 */
}
#ifdef CONFIG_SERIO_I8042
/*
* According to the ITE Special BIOS Note for waking up the
* keyboard controller...
*/
static int init_8712_keyboard(void)
{
unsigned int cmd_port = 0x14000064;
unsigned int data_port = 0x14000060;
^^^^^^^^^^^
Somebody here doesn't grok the concept of io ports.
unsigned char data;
int i;
outb(0xaa, cmd_port); /* send self-test cmd */
i = 0;
while (!(inb(cmd_port) & 0x1)) { /* wait output buffer full */
i++;
if (i > 0xffffff)
return 1;
}
data = inb(data_port);
outb(0xcb, cmd_port); /* set ps2 mode */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x01, data_port);
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x60, cmd_port); /* write 8042 command byte */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x45, data_port); /* at interface, keyboard enabled, system flag */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0xae, cmd_port); /* enable interface */
return 0;
}
#endif
|
