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
|
/*
* Toshiba RBTX4939 setup routines.
* Based on linux/arch/mips/txx9/rbtx4938/setup.c,
* and RBTX49xx patch from CELF patch archive.
*
* Copyright (C) 2000-2001,2005-2007 Toshiba Corporation
* 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
* terms of the GNU General Public License version 2. This program is
* licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/reboot.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#include <asm/txx9/rbtx4939.h>
static void rbtx4939_machine_restart(char *command)
{
local_irq_disable();
writeb(1, rbtx4939_reseten_addr);
writeb(1, rbtx4939_softreset_addr);
while (1)
;
}
static void __init rbtx4939_time_init(void)
{
tx4939_time_init(0);
}
static void __init rbtx4939_pci_setup(void)
{
#ifdef CONFIG_PCI
int extarb = !(__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCIARB);
struct pci_controller *c = &txx9_primary_pcic;
register_pci_controller(c);
tx4939_report_pciclk();
tx4927_pcic_setup(tx4939_pcicptr, c, extarb);
if (!(__raw_readq(&tx4939_ccfgptr->pcfg) & TX4939_PCFG_ATA1MODE) &&
(__raw_readq(&tx4939_ccfgptr->pcfg) &
(TX4939_PCFG_ET0MODE | TX4939_PCFG_ET1MODE))) {
tx4939_report_pci1clk();
/* mem:64K(max), io:64K(max) (enough for ETH0,ETH1) */
c = txx9_alloc_pci_controller(NULL, 0, 0x10000, 0, 0x10000);
register_pci_controller(c);
tx4927_pcic_setup(tx4939_pcic1ptr, c, 0);
}
tx4939_setup_pcierr_irq();
#endif /* CONFIG_PCI */
}
static unsigned long long default_ebccr[] __initdata = {
0x01c0000000007608ULL, /* 64M ROM */
0x017f000000007049ULL, /* 1M IOC */
0x0180000000408608ULL, /* ISA */
0,
};
static void __init rbtx4939_ebusc_setup(void)
{
int i;
unsigned int sp;
/* use user-configured speed */
sp = TX4939_EBUSC_CR(0) & 0x30;
default_ebccr[0] |= sp;
default_ebccr[1] |= sp;
default_ebccr[2] |= sp;
/* initialise by myself */
for (i = 0; i < ARRAY_SIZE(default_ebccr); i++) {
if (default_ebccr[i])
____raw_writeq(default_ebccr[i],
&tx4939_ebuscptr->cr[i]);
else
____raw_writeq(____raw_readq(&tx4939_ebuscptr->cr[i])
& ~8,
&tx4939_ebuscptr->cr[i]);
}
}
static void __init rbtx4939_update_ioc_pen(void)
{
__u64 pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg);
__u64 ccfg = ____raw_readq(&tx4939_ccfgptr->ccfg);
__u8 pe1 = readb(rbtx4939_pe1_addr);
__u8 pe2 = readb(rbtx4939_pe2_addr);
__u8 pe3 = readb(rbtx4939_pe3_addr);
if (pcfg & TX4939_PCFG_ATA0MODE)
pe1 |= RBTX4939_PE1_ATA(0);
else
pe1 &= ~RBTX4939_PE1_ATA(0);
if (pcfg & TX4939_PCFG_ATA1MODE) {
pe1 |= RBTX4939_PE1_ATA(1);
pe1 &= ~(RBTX4939_PE1_RMII(0) | RBTX4939_PE1_RMII(1));
} else {
pe1 &= ~RBTX4939_PE1_ATA(1);
if (pcfg & TX4939_PCFG_ET0MODE)
pe1 |= RBTX4939_PE1_RMII(0);
else
pe1 &= ~RBTX4939_PE1_RMII(0);
if (pcfg & TX4939_PCFG_ET1MODE)
pe1 |= RBTX4939_PE1_RMII(1);
else
pe1 &= ~RBTX4939_PE1_RMII(1);
}
if (ccfg & TX4939_CCFG_PTSEL)
pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_P |
RBTX4939_PE3_VP_S);
else {
__u64 vmode = pcfg &
(TX4939_PCFG_VSSMODE | TX4939_PCFG_VPSMODE);
if (vmode == 0)
pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_P |
RBTX4939_PE3_VP_S);
else if (vmode == TX4939_PCFG_VPSMODE) {
pe3 |= RBTX4939_PE3_VP_P;
pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_S);
} else if (vmode == TX4939_PCFG_VSSMODE) {
pe3 |= RBTX4939_PE3_VP | RBTX4939_PE3_VP_S;
pe3 &= ~RBTX4939_PE3_VP_P;
} else {
pe3 |= RBTX4939_PE3_VP | RBTX4939_PE3_VP_P;
pe3 &= ~RBTX4939_PE3_VP_S;
}
}
if (pcfg & TX4939_PCFG_SPIMODE) {
if (pcfg & TX4939_PCFG_SIO2MODE_GPIO)
pe2 &= ~(RBTX4939_PE2_SIO2 | RBTX4939_PE2_SIO0);
else {
if (pcfg & TX4939_PCFG_SIO2MODE_SIO2) {
pe2 |= RBTX4939_PE2_SIO2;
pe2 &= ~RBTX4939_PE2_SIO0;
} else {
pe2 |= RBTX4939_PE2_SIO0;
pe2 &= ~RBTX4939_PE2_SIO2;
}
}
if (pcfg & TX4939_PCFG_SIO3MODE)
pe2 |= RBTX4939_PE2_SIO3;
else
pe2 &= ~RBTX4939_PE2_SIO3;
pe2 &= ~RBTX4939_PE2_SPI;
} else {
pe2 |= RBTX4939_PE2_SPI;
pe2 &= ~(RBTX4939_PE2_SIO3 | RBTX4939_PE2_SIO2 |
RBTX4939_PE2_SIO0);
}
if ((pcfg & TX4939_PCFG_I2SMODE_MASK) == TX4939_PCFG_I2SMODE_GPIO)
pe2 |= RBTX4939_PE2_GPIO;
else
pe2 &= ~RBTX4939_PE2_GPIO;
writeb(pe1, rbtx4939_pe1_addr);
writeb(pe2, rbtx4939_pe2_addr);
writeb(pe3, rbtx4939_pe3_addr);
}
#define RBTX4939_MAX_7SEGLEDS 8
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
static u8 led_val[RBTX4939_MAX_7SEGLEDS];
struct rbtx4939_led_data {
struct led_classdev cdev;
char name[32];
unsigned int num;
};
/* Use "dot" in 7seg LEDs */
static void rbtx4939_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct rbtx4939_led_data *led_dat =
container_of(led_cdev, struct rbtx4939_led_data, cdev);
unsigned int num = led_dat->num;
unsigned long flags;
local_irq_save(flags);
led_val[num] = (led_val[num] & 0x7f) | (value ? 0x80 : 0);
writeb(led_val[num], rbtx4939_7seg_addr(num / 4, num % 4));
local_irq_restore(flags);
}
static int __init rbtx4939_led_probe(struct platform_device *pdev)
{
struct rbtx4939_led_data *leds_data;
int i;
static char *default_triggers[] __initdata = {
"heartbeat",
"ide-disk",
"nand-disk",
};
leds_data = kzalloc(sizeof(*leds_data) * RBTX4939_MAX_7SEGLEDS,
GFP_KERNEL);
if (!leds_data)
return -ENOMEM;
for (i = 0; i < RBTX4939_MAX_7SEGLEDS; i++) {
int rc;
struct rbtx4939_led_data *led_dat = &leds_data[i];
led_dat->num = i;
led_dat->cdev.brightness_set = rbtx4939_led_brightness_set;
sprintf(led_dat->name, "rbtx4939:amber:%u", i);
led_dat->cdev.name = led_dat->name;
if (i < ARRAY_SIZE(default_triggers))
led_dat->cdev.default_trigger = default_triggers[i];
rc = led_classdev_register(&pdev->dev, &led_dat->cdev);
if (rc < 0)
return rc;
led_dat->cdev.brightness_set(&led_dat->cdev, 0);
}
return 0;
}
static struct platform_driver rbtx4939_led_driver = {
.driver = {
.name = "rbtx4939-led",
.owner = THIS_MODULE,
},
};
static void __init rbtx4939_led_setup(void)
{
platform_device_register_simple("rbtx4939-led", -1, NULL, 0);
platform_driver_probe(&rbtx4939_led_driver, rbtx4939_led_probe);
}
#else
static inline void rbtx4939_led_setup(void)
{
}
#endif
static void __init rbtx4939_arch_init(void)
{
rbtx4939_pci_setup();
}
static void __init rbtx4939_device_init(void)
{
#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE)
int i, j;
unsigned char ethaddr[2][6];
for (i = 0; i < 2; i++) {
unsigned long area = CKSEG1 + 0x1fff0000 + (i * 0x10);
if (readb(rbtx4939_bdipsw_addr) & 8) {
u16 buf[3];
area -= 0x03000000;
for (j = 0; j < 3; j++)
buf[j] = le16_to_cpup((u16 *)(area + j * 2));
memcpy(ethaddr[i], buf, 6);
} else
memcpy(ethaddr[i], (void *)area, 6);
}
tx4939_ethaddr_init(ethaddr[0], ethaddr[1]);
#endif
rbtx4939_led_setup();
tx4939_wdt_init();
}
static void __init rbtx4939_setup(void)
{
rbtx4939_ebusc_setup();
/* always enable ATA0 */
txx9_set64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_ATA0MODE);
rbtx4939_update_ioc_pen();
if (txx9_master_clock == 0)
txx9_master_clock = 20000000;
tx4939_setup();
_machine_restart = rbtx4939_machine_restart;
pr_info("RBTX4939 (Rev %02x) --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",
readb(rbtx4939_board_rev_addr), readb(rbtx4939_ioc_rev_addr),
readb(rbtx4939_udipsw_addr), readb(rbtx4939_bdipsw_addr));
#ifdef CONFIG_PCI
txx9_alloc_pci_controller(&txx9_primary_pcic, 0, 0, 0, 0);
txx9_board_pcibios_setup = tx4927_pcibios_setup;
#else
set_io_port_base(RBTX4939_ETHER_BASE);
#endif
tx4939_sio_init(TX4939_SCLK0(txx9_master_clock), 0);
}
struct txx9_board_vec rbtx4939_vec __initdata = {
.system = "Tothiba RBTX4939",
.prom_init = rbtx4939_prom_init,
.mem_setup = rbtx4939_setup,
.irq_setup = rbtx4939_irq_setup,
.time_init = rbtx4939_time_init,
.device_init = rbtx4939_device_init,
.arch_init = rbtx4939_arch_init,
#ifdef CONFIG_PCI
.pci_map_irq = tx4939_pci_map_irq,
#endif
};
|
