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[linux-2.6-omap-h63xx.git] / arch / mips / tx4927 / toshiba_rbtx4927 / toshiba_rbtx4927_setup.c
1 /*
2  * Toshiba rbtx4927 specific setup
3  *
4  * Author: MontaVista Software, Inc.
5  *         source@mvista.com
6  *
7  * Copyright 2001-2002 MontaVista Software Inc.
8  *
9  * Copyright (C) 1996, 97, 2001, 04  Ralf Baechle (ralf@linux-mips.org)
10  * Copyright (C) 2000 RidgeRun, Inc.
11  * Author: RidgeRun, Inc.
12  *   glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
13  *
14  * Copyright 2001 MontaVista Software Inc.
15  * Author: jsun@mvista.com or jsun@junsun.net
16  *
17  * Copyright 2002 MontaVista Software Inc.
18  * Author: Michael Pruznick, michael_pruznick@mvista.com
19  *
20  * Copyright (C) 2000-2001 Toshiba Corporation
21  *
22  * Copyright (C) 2004 MontaVista Software Inc.
23  * Author: Manish Lachwani, mlachwani@mvista.com
24  *
25  *  This program is free software; you can redistribute it and/or modify it
26  *  under the terms of the GNU General Public License as published by the
27  *  Free Software Foundation; either version 2 of the License, or (at your
28  *  option) any later version.
29  *
30  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
31  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
32  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
33  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
34  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
35  *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
36  *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
37  *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
38  *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
39  *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  *  You should have received a copy of the GNU General Public License along
42  *  with this program; if not, write to the Free Software Foundation, Inc.,
43  *  675 Mass Ave, Cambridge, MA 02139, USA.
44  */
45 #include <linux/init.h>
46 #include <linux/kernel.h>
47 #include <linux/types.h>
48 #include <linux/mm.h>
49 #include <linux/swap.h>
50 #include <linux/ioport.h>
51 #include <linux/sched.h>
52 #include <linux/interrupt.h>
53 #include <linux/pci.h>
54 #include <linux/timex.h>
55 #include <linux/pm.h>
56 #include <linux/platform_device.h>
57
58 #include <asm/bootinfo.h>
59 #include <asm/page.h>
60 #include <asm/io.h>
61 #include <asm/irq.h>
62 #include <asm/irq_regs.h>
63 #include <asm/processor.h>
64 #include <asm/reboot.h>
65 #include <asm/time.h>
66 #include <linux/bootmem.h>
67 #include <linux/blkdev.h>
68 #ifdef CONFIG_TOSHIBA_FPCIB0
69 #include <asm/tx4927/smsc_fdc37m81x.h>
70 #endif
71 #include <asm/tx4927/toshiba_rbtx4927.h>
72 #ifdef CONFIG_PCI
73 #include <asm/tx4927/tx4927_pci.h>
74 #endif
75 #ifdef CONFIG_BLK_DEV_IDEPCI
76 #include <linux/hdreg.h>
77 #include <linux/ide.h>
78 #endif
79 #ifdef CONFIG_SERIAL_TXX9
80 #include <linux/tty.h>
81 #include <linux/serial.h>
82 #include <linux/serial_core.h>
83 #endif
84
85 #undef TOSHIBA_RBTX4927_SETUP_DEBUG
86
87 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
88 #define TOSHIBA_RBTX4927_SETUP_NONE        0x00000000
89
90 #define TOSHIBA_RBTX4927_SETUP_INFO        ( 1 <<  0 )
91 #define TOSHIBA_RBTX4927_SETUP_WARN        ( 1 <<  1 )
92 #define TOSHIBA_RBTX4927_SETUP_EROR        ( 1 <<  2 )
93
94 #define TOSHIBA_RBTX4927_SETUP_EFWFU       ( 1 <<  3 )
95 #define TOSHIBA_RBTX4927_SETUP_SETUP       ( 1 <<  4 )
96 #define TOSHIBA_RBTX4927_SETUP_TIME_INIT   ( 1 <<  5 )
97 #define TOSHIBA_RBTX4927_SETUP_TIMER_SETUP ( 1 <<  6 )
98 #define TOSHIBA_RBTX4927_SETUP_PCIBIOS     ( 1 <<  7 )
99 #define TOSHIBA_RBTX4927_SETUP_PCI1        ( 1 <<  8 )
100 #define TOSHIBA_RBTX4927_SETUP_PCI2        ( 1 <<  9 )
101 #define TOSHIBA_RBTX4927_SETUP_PCI66       ( 1 << 10 )
102
103 #define TOSHIBA_RBTX4927_SETUP_ALL         0xffffffff
104 #endif
105
106 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
107 static const u32 toshiba_rbtx4927_setup_debug_flag =
108     (TOSHIBA_RBTX4927_SETUP_NONE | TOSHIBA_RBTX4927_SETUP_INFO |
109      TOSHIBA_RBTX4927_SETUP_WARN | TOSHIBA_RBTX4927_SETUP_EROR |
110      TOSHIBA_RBTX4927_SETUP_EFWFU | TOSHIBA_RBTX4927_SETUP_SETUP |
111      TOSHIBA_RBTX4927_SETUP_TIME_INIT | TOSHIBA_RBTX4927_SETUP_TIMER_SETUP
112      | TOSHIBA_RBTX4927_SETUP_PCIBIOS | TOSHIBA_RBTX4927_SETUP_PCI1 |
113      TOSHIBA_RBTX4927_SETUP_PCI2 | TOSHIBA_RBTX4927_SETUP_PCI66);
114 #endif
115
116 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
117 #define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag,str...) \
118         if ( (toshiba_rbtx4927_setup_debug_flag) & (flag) ) \
119         { \
120            char tmp[100]; \
121            sprintf( tmp, str ); \
122            printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
123         }
124 #else
125 #define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag,str...)
126 #endif
127
128 /* These functions are used for rebooting or halting the machine*/
129 extern void toshiba_rbtx4927_restart(char *command);
130 extern void toshiba_rbtx4927_halt(void);
131 extern void toshiba_rbtx4927_power_off(void);
132
133 int tx4927_using_backplane = 0;
134
135 extern void gt64120_time_init(void);
136 extern void toshiba_rbtx4927_irq_setup(void);
137
138 char *prom_getcmdline(void);
139
140 #ifdef CONFIG_PCI
141 #undef TX4927_SUPPORT_COMMAND_IO
142 #undef  TX4927_SUPPORT_PCI_66
143 int tx4927_cpu_clock = 100000000;       /* 100MHz */
144 unsigned long mips_pci_io_base;
145 unsigned long mips_pci_io_size;
146 unsigned long mips_pci_mem_base;
147 unsigned long mips_pci_mem_size;
148 /* for legacy I/O, PCI I/O PCI Bus address must be 0 */
149 unsigned long mips_pci_io_pciaddr = 0;
150 unsigned long mips_memory_upper;
151 static int tx4927_ccfg_toeon = 1;
152 static int tx4927_pcic_trdyto = 0;      /* default: disabled */
153 unsigned long tx4927_ce_base[8];
154 void tx4927_pci_setup(void);
155 void tx4927_reset_pci_pcic(void);
156 int tx4927_pci66 = 0;           /* 0:auto */
157 #endif
158
159 char *toshiba_name = "";
160
161 #ifdef CONFIG_PCI
162 extern struct pci_controller tx4927_controller;
163
164 static struct pci_dev *fake_pci_dev(struct pci_controller *hose,
165                                     int top_bus, int busnr, int devfn)
166 {
167         static struct pci_dev dev;
168         static struct pci_bus bus;
169
170         dev.sysdata = (void *)hose;
171         dev.devfn = devfn;
172         bus.number = busnr;
173         bus.ops = hose->pci_ops;
174         bus.parent = NULL;
175         dev.bus = &bus;
176
177         return &dev;
178 }
179
180 #define EARLY_PCI_OP(rw, size, type)                                    \
181 static int early_##rw##_config_##size(struct pci_controller *hose,      \
182         int top_bus, int bus, int devfn, int offset, type value)        \
183 {                                                                       \
184         return pci_##rw##_config_##size(                                \
185                 fake_pci_dev(hose, top_bus, bus, devfn),                \
186                 offset, value);                                         \
187 }
188
189 EARLY_PCI_OP(read, byte, u8 *)
190 EARLY_PCI_OP(read, dword, u32 *)
191 EARLY_PCI_OP(write, byte, u8)
192 EARLY_PCI_OP(write, dword, u32)
193
194 static int __init tx4927_pcibios_init(void)
195 {
196         unsigned int id;
197         u32 pci_devfn;
198         int devfn_start = 0;
199         int devfn_stop = 0xff;
200         int busno = 0; /* One bus on the Toshiba */
201         struct pci_controller *hose = &tx4927_controller;
202
203         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
204                                        "-\n");
205
206         for (pci_devfn = devfn_start; pci_devfn < devfn_stop; pci_devfn++) {
207                 early_read_config_dword(hose, busno, busno, pci_devfn,
208                                         PCI_VENDOR_ID, &id);
209
210                 if (id == 0xffffffff) {
211                         continue;
212                 }
213
214                 if (id == 0x94601055) {
215                         u8 v08_64;
216                         u32 v32_b0;
217                         u8 v08_e1;
218 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
219                         char *s = " sb/isa --";
220 #endif
221
222                         TOSHIBA_RBTX4927_SETUP_DPRINTK
223                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
224                              s);
225
226                         early_read_config_byte(hose, busno, busno,
227                                                pci_devfn, 0x64, &v08_64);
228                         early_read_config_dword(hose, busno, busno,
229                                                 pci_devfn, 0xb0, &v32_b0);
230                         early_read_config_byte(hose, busno, busno,
231                                                pci_devfn, 0xe1, &v08_e1);
232
233                         TOSHIBA_RBTX4927_SETUP_DPRINTK
234                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
235                              ":%s beg 0x64 = 0x%02x\n", s, v08_64);
236                         TOSHIBA_RBTX4927_SETUP_DPRINTK
237                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
238                              ":%s beg 0xb0 = 0x%02x\n", s, v32_b0);
239                         TOSHIBA_RBTX4927_SETUP_DPRINTK
240                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
241                              ":%s beg 0xe1 = 0x%02x\n", s, v08_e1);
242
243                         /* serial irq control */
244                         v08_64 = 0xd0;
245
246                         /* serial irq pin */
247                         v32_b0 |= 0x00010000;
248
249                         /* ide irq on isa14 */
250                         v08_e1 &= 0xf0;
251                         v08_e1 |= 0x0d;
252
253                         TOSHIBA_RBTX4927_SETUP_DPRINTK
254                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
255                              ":%s mid 0x64 = 0x%02x\n", s, v08_64);
256                         TOSHIBA_RBTX4927_SETUP_DPRINTK
257                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
258                              ":%s mid 0xb0 = 0x%02x\n", s, v32_b0);
259                         TOSHIBA_RBTX4927_SETUP_DPRINTK
260                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
261                              ":%s mid 0xe1 = 0x%02x\n", s, v08_e1);
262
263                         early_write_config_byte(hose, busno, busno,
264                                                 pci_devfn, 0x64, v08_64);
265                         early_write_config_dword(hose, busno, busno,
266                                                  pci_devfn, 0xb0, v32_b0);
267                         early_write_config_byte(hose, busno, busno,
268                                                 pci_devfn, 0xe1, v08_e1);
269
270 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
271                         {
272                                 early_read_config_byte(hose, busno, busno,
273                                                        pci_devfn, 0x64,
274                                                        &v08_64);
275                                 early_read_config_dword(hose, busno, busno,
276                                                         pci_devfn, 0xb0,
277                                                         &v32_b0);
278                                 early_read_config_byte(hose, busno, busno,
279                                                        pci_devfn, 0xe1,
280                                                        &v08_e1);
281
282                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
283                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
284                                      ":%s end 0x64 = 0x%02x\n", s, v08_64);
285                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
286                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
287                                      ":%s end 0xb0 = 0x%02x\n", s, v32_b0);
288                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
289                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
290                                      ":%s end 0xe1 = 0x%02x\n", s, v08_e1);
291                         }
292 #endif
293
294                         TOSHIBA_RBTX4927_SETUP_DPRINTK
295                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
296                              s);
297                 }
298
299                 if (id == 0x91301055) {
300                         u8 v08_04;
301                         u8 v08_09;
302                         u8 v08_41;
303                         u8 v08_43;
304                         u8 v08_5c;
305 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
306                         char *s = " sb/ide --";
307 #endif
308
309                         TOSHIBA_RBTX4927_SETUP_DPRINTK
310                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
311                              s);
312
313                         early_read_config_byte(hose, busno, busno,
314                                                pci_devfn, 0x04, &v08_04);
315                         early_read_config_byte(hose, busno, busno,
316                                                pci_devfn, 0x09, &v08_09);
317                         early_read_config_byte(hose, busno, busno,
318                                                pci_devfn, 0x41, &v08_41);
319                         early_read_config_byte(hose, busno, busno,
320                                                pci_devfn, 0x43, &v08_43);
321                         early_read_config_byte(hose, busno, busno,
322                                                pci_devfn, 0x5c, &v08_5c);
323
324                         TOSHIBA_RBTX4927_SETUP_DPRINTK
325                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
326                              ":%s beg 0x04 = 0x%02x\n", s, v08_04);
327                         TOSHIBA_RBTX4927_SETUP_DPRINTK
328                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
329                              ":%s beg 0x09 = 0x%02x\n", s, v08_09);
330                         TOSHIBA_RBTX4927_SETUP_DPRINTK
331                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
332                              ":%s beg 0x41 = 0x%02x\n", s, v08_41);
333                         TOSHIBA_RBTX4927_SETUP_DPRINTK
334                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
335                              ":%s beg 0x43 = 0x%02x\n", s, v08_43);
336                         TOSHIBA_RBTX4927_SETUP_DPRINTK
337                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
338                              ":%s beg 0x5c = 0x%02x\n", s, v08_5c);
339
340                         /* enable ide master/io */
341                         v08_04 |= (PCI_COMMAND_MASTER | PCI_COMMAND_IO);
342
343                         /* enable ide native mode */
344                         v08_09 |= 0x05;
345
346                         /* enable primary ide */
347                         v08_41 |= 0x80;
348
349                         /* enable secondary ide */
350                         v08_43 |= 0x80;
351
352                         /*
353                          * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
354                          *
355                          * This line of code is intended to provide the user with a work
356                          * around solution to the anomalies cited in SMSC's anomaly sheet
357                          * entitled, "SLC90E66 Functional Rev.J_0.1 Anomalies"".
358                          *
359                          * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
360                          */
361                         v08_5c |= 0x01;
362
363                         TOSHIBA_RBTX4927_SETUP_DPRINTK
364                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
365                              ":%s mid 0x04 = 0x%02x\n", s, v08_04);
366                         TOSHIBA_RBTX4927_SETUP_DPRINTK
367                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
368                              ":%s mid 0x09 = 0x%02x\n", s, v08_09);
369                         TOSHIBA_RBTX4927_SETUP_DPRINTK
370                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
371                              ":%s mid 0x41 = 0x%02x\n", s, v08_41);
372                         TOSHIBA_RBTX4927_SETUP_DPRINTK
373                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
374                              ":%s mid 0x43 = 0x%02x\n", s, v08_43);
375                         TOSHIBA_RBTX4927_SETUP_DPRINTK
376                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
377                              ":%s mid 0x5c = 0x%02x\n", s, v08_5c);
378
379                         early_write_config_byte(hose, busno, busno,
380                                                 pci_devfn, 0x5c, v08_5c);
381                         early_write_config_byte(hose, busno, busno,
382                                                 pci_devfn, 0x04, v08_04);
383                         early_write_config_byte(hose, busno, busno,
384                                                 pci_devfn, 0x09, v08_09);
385                         early_write_config_byte(hose, busno, busno,
386                                                 pci_devfn, 0x41, v08_41);
387                         early_write_config_byte(hose, busno, busno,
388                                                 pci_devfn, 0x43, v08_43);
389
390 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
391                         {
392                                 early_read_config_byte(hose, busno, busno,
393                                                        pci_devfn, 0x04,
394                                                        &v08_04);
395                                 early_read_config_byte(hose, busno, busno,
396                                                        pci_devfn, 0x09,
397                                                        &v08_09);
398                                 early_read_config_byte(hose, busno, busno,
399                                                        pci_devfn, 0x41,
400                                                        &v08_41);
401                                 early_read_config_byte(hose, busno, busno,
402                                                        pci_devfn, 0x43,
403                                                        &v08_43);
404                                 early_read_config_byte(hose, busno, busno,
405                                                        pci_devfn, 0x5c,
406                                                        &v08_5c);
407
408                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
409                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
410                                      ":%s end 0x04 = 0x%02x\n", s, v08_04);
411                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
412                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
413                                      ":%s end 0x09 = 0x%02x\n", s, v08_09);
414                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
415                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
416                                      ":%s end 0x41 = 0x%02x\n", s, v08_41);
417                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
418                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
419                                      ":%s end 0x43 = 0x%02x\n", s, v08_43);
420                                 TOSHIBA_RBTX4927_SETUP_DPRINTK
421                                     (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
422                                      ":%s end 0x5c = 0x%02x\n", s, v08_5c);
423                         }
424 #endif
425
426                         TOSHIBA_RBTX4927_SETUP_DPRINTK
427                             (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
428                              s);
429                 }
430
431         }
432
433         register_pci_controller(&tx4927_controller);
434         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
435                                        "+\n");
436
437         return 0;
438 }
439
440 arch_initcall(tx4927_pcibios_init);
441
442 extern struct resource pci_io_resource;
443 extern struct resource pci_mem_resource;
444
445 void tx4927_pci_setup(void)
446 {
447         static int called = 0;
448         extern unsigned int tx4927_get_mem_size(void);
449
450         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "-\n");
451
452         mips_memory_upper = tx4927_get_mem_size() << 20;
453         mips_memory_upper += KSEG0;
454         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
455                                        "0x%08lx=mips_memory_upper\n",
456                                        mips_memory_upper);
457         mips_pci_io_base = TX4927_PCIIO;
458         mips_pci_io_size = TX4927_PCIIO_SIZE;
459         mips_pci_mem_base = TX4927_PCIMEM;
460         mips_pci_mem_size = TX4927_PCIMEM_SIZE;
461
462         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
463                                        "0x%08lx=mips_pci_io_base\n",
464                                        mips_pci_io_base);
465         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
466                                        "0x%08lx=mips_pci_io_size\n",
467                                        mips_pci_io_size);
468         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
469                                        "0x%08lx=mips_pci_mem_base\n",
470                                        mips_pci_mem_base);
471         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
472                                        "0x%08lx=mips_pci_mem_size\n",
473                                        mips_pci_mem_size);
474         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
475                                        "0x%08lx=pci_io_resource.start\n",
476                                        pci_io_resource.start);
477         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
478                                        "0x%08lx=pci_io_resource.end\n",
479                                        pci_io_resource.end);
480         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
481                                        "0x%08lx=pci_mem_resource.start\n",
482                                        pci_mem_resource.start);
483         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
484                                        "0x%08lx=pci_mem_resource.end\n",
485                                        pci_mem_resource.end);
486         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
487                                        "0x%08lx=mips_io_port_base",
488                                        mips_io_port_base);
489         if (!called) {
490                 printk
491                     ("%s PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s\n",
492                      toshiba_name,
493                      (unsigned short) (tx4927_pcicptr->pciid >> 16),
494                      (unsigned short) (tx4927_pcicptr->pciid & 0xffff),
495                      (unsigned short) (tx4927_pcicptr->pciccrev & 0xff),
496                      (!(tx4927_ccfgptr->
497                         ccfg & TX4927_CCFG_PCIXARB)) ? "External" :
498                      "Internal");
499                 called = 1;
500         }
501         printk("%s PCIC --%s PCICLK:",toshiba_name,
502                (tx4927_ccfgptr->ccfg & TX4927_CCFG_PCI66) ? " PCI66" : "");
503         if (tx4927_ccfgptr->pcfg & TX4927_PCFG_PCICLKEN_ALL) {
504                 int pciclk = 0;
505                 if (mips_machtype == MACH_TOSHIBA_RBTX4937)
506                         switch ((unsigned long) tx4927_ccfgptr->
507                                 ccfg & TX4937_CCFG_PCIDIVMODE_MASK) {
508                         case TX4937_CCFG_PCIDIVMODE_4:
509                                 pciclk = tx4927_cpu_clock / 4;
510                                 break;
511                         case TX4937_CCFG_PCIDIVMODE_4_5:
512                                 pciclk = tx4927_cpu_clock * 2 / 9;
513                                 break;
514                         case TX4937_CCFG_PCIDIVMODE_5:
515                                 pciclk = tx4927_cpu_clock / 5;
516                                 break;
517                         case TX4937_CCFG_PCIDIVMODE_5_5:
518                                 pciclk = tx4927_cpu_clock * 2 / 11;
519                                 break;
520                         case TX4937_CCFG_PCIDIVMODE_8:
521                                 pciclk = tx4927_cpu_clock / 8;
522                                 break;
523                         case TX4937_CCFG_PCIDIVMODE_9:
524                                 pciclk = tx4927_cpu_clock / 9;
525                                 break;
526                         case TX4937_CCFG_PCIDIVMODE_10:
527                                 pciclk = tx4927_cpu_clock / 10;
528                                 break;
529                         case TX4937_CCFG_PCIDIVMODE_11:
530                                 pciclk = tx4927_cpu_clock / 11;
531                                 break;
532                         }
533
534                 else
535                         switch ((unsigned long) tx4927_ccfgptr->
536                                 ccfg & TX4927_CCFG_PCIDIVMODE_MASK) {
537                         case TX4927_CCFG_PCIDIVMODE_2_5:
538                                 pciclk = tx4927_cpu_clock * 2 / 5;
539                                 break;
540                         case TX4927_CCFG_PCIDIVMODE_3:
541                                 pciclk = tx4927_cpu_clock / 3;
542                                 break;
543                         case TX4927_CCFG_PCIDIVMODE_5:
544                                 pciclk = tx4927_cpu_clock / 5;
545                                 break;
546                         case TX4927_CCFG_PCIDIVMODE_6:
547                                 pciclk = tx4927_cpu_clock / 6;
548                                 break;
549                         }
550
551                 printk("Internal(%dMHz)", pciclk / 1000000);
552         } else {
553                 int pciclk = 0;
554                 int pciclk_setting = *tx4927_pci_clk_ptr;
555                 switch (pciclk_setting & TX4927_PCI_CLK_MASK) {
556                 case TX4927_PCI_CLK_33:
557                         pciclk = 33333333;
558                         break;
559                 case TX4927_PCI_CLK_25:
560                         pciclk = 25000000;
561                         break;
562                 case TX4927_PCI_CLK_66:
563                         pciclk = 66666666;
564                         break;
565                 case TX4927_PCI_CLK_50:
566                         pciclk = 50000000;
567                         break;
568                 }
569                 printk("External(%dMHz)", pciclk / 1000000);
570         }
571         printk("\n");
572
573
574
575         /* GB->PCI mappings */
576         tx4927_pcicptr->g2piomask = (mips_pci_io_size - 1) >> 4;
577         tx4927_pcicptr->g2piogbase = mips_pci_io_base |
578 #ifdef __BIG_ENDIAN
579             TX4927_PCIC_G2PIOGBASE_ECHG
580 #else
581             TX4927_PCIC_G2PIOGBASE_BSDIS
582 #endif
583             ;
584
585         tx4927_pcicptr->g2piopbase = 0;
586
587         tx4927_pcicptr->g2pmmask[0] = (mips_pci_mem_size - 1) >> 4;
588         tx4927_pcicptr->g2pmgbase[0] = mips_pci_mem_base |
589 #ifdef __BIG_ENDIAN
590             TX4927_PCIC_G2PMnGBASE_ECHG
591 #else
592             TX4927_PCIC_G2PMnGBASE_BSDIS
593 #endif
594             ;
595         tx4927_pcicptr->g2pmpbase[0] = mips_pci_mem_base;
596
597         tx4927_pcicptr->g2pmmask[1] = 0;
598         tx4927_pcicptr->g2pmgbase[1] = 0;
599         tx4927_pcicptr->g2pmpbase[1] = 0;
600         tx4927_pcicptr->g2pmmask[2] = 0;
601         tx4927_pcicptr->g2pmgbase[2] = 0;
602         tx4927_pcicptr->g2pmpbase[2] = 0;
603
604
605         /* PCI->GB mappings (I/O 256B) */
606         tx4927_pcicptr->p2giopbase = 0; /* 256B */
607
608         /* PCI->GB mappings (MEM 512MB) M0 gets all of memory */
609         tx4927_pcicptr->p2gm0plbase = 0;
610         tx4927_pcicptr->p2gm0pubase = 0;
611         tx4927_pcicptr->p2gmgbase[0] = 0 | TX4927_PCIC_P2GMnGBASE_TMEMEN |
612 #ifdef __BIG_ENDIAN
613             TX4927_PCIC_P2GMnGBASE_TECHG
614 #else
615             TX4927_PCIC_P2GMnGBASE_TBSDIS
616 #endif
617             ;
618
619         /* PCI->GB mappings (MEM 16MB) -not used */
620         tx4927_pcicptr->p2gm1plbase = 0xffffffff;
621         tx4927_pcicptr->p2gm1pubase = 0xffffffff;
622         tx4927_pcicptr->p2gmgbase[1] = 0;
623
624         /* PCI->GB mappings (MEM 1MB) -not used */
625         tx4927_pcicptr->p2gm2pbase = 0xffffffff;
626         tx4927_pcicptr->p2gmgbase[2] = 0;
627
628
629         /* Enable Initiator Memory 0 Space, I/O Space, Config */
630         tx4927_pcicptr->pciccfg &= TX4927_PCIC_PCICCFG_LBWC_MASK;
631         tx4927_pcicptr->pciccfg |=
632             TX4927_PCIC_PCICCFG_IMSE0 | TX4927_PCIC_PCICCFG_IISE |
633             TX4927_PCIC_PCICCFG_ICAE | TX4927_PCIC_PCICCFG_ATR;
634
635
636         /* Do not use MEMMUL, MEMINF: YMFPCI card causes M_ABORT. */
637         tx4927_pcicptr->pcicfg1 = 0;
638
639         if (tx4927_pcic_trdyto >= 0) {
640                 tx4927_pcicptr->g2ptocnt &= ~0xff;
641                 tx4927_pcicptr->g2ptocnt |= (tx4927_pcic_trdyto & 0xff);
642         }
643
644         /* Clear All Local Bus Status */
645         tx4927_pcicptr->pcicstatus = TX4927_PCIC_PCICSTATUS_ALL;
646         /* Enable All Local Bus Interrupts */
647         tx4927_pcicptr->pcicmask = TX4927_PCIC_PCICSTATUS_ALL;
648         /* Clear All Initiator Status */
649         tx4927_pcicptr->g2pstatus = TX4927_PCIC_G2PSTATUS_ALL;
650         /* Enable All Initiator Interrupts */
651         tx4927_pcicptr->g2pmask = TX4927_PCIC_G2PSTATUS_ALL;
652         /* Clear All PCI Status Error */
653         tx4927_pcicptr->pcistatus =
654             (tx4927_pcicptr->pcistatus & 0x0000ffff) |
655             (TX4927_PCIC_PCISTATUS_ALL << 16);
656         /* Enable All PCI Status Error Interrupts */
657         tx4927_pcicptr->pcimask = TX4927_PCIC_PCISTATUS_ALL;
658
659         /* PCIC Int => IRC IRQ16 */
660         tx4927_pcicptr->pcicfg2 =
661             (tx4927_pcicptr->pcicfg2 & 0xffffff00) | TX4927_IR_PCIC;
662
663         if (!(tx4927_ccfgptr->ccfg & TX4927_CCFG_PCIXARB)) {
664                 /* XXX */
665         } else {
666                 /* Reset Bus Arbiter */
667                 tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_RPBA;
668                 /* Enable Bus Arbiter */
669                 tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_PBAEN;
670         }
671
672         tx4927_pcicptr->pcistatus = PCI_COMMAND_MASTER |
673             PCI_COMMAND_MEMORY |
674             PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
675
676         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
677                                        ":pci setup complete:\n");
678         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "+\n");
679 }
680
681 #endif /* CONFIG_PCI */
682
683 void toshiba_rbtx4927_restart(char *command)
684 {
685         printk(KERN_NOTICE "System Rebooting...\n");
686
687         /* enable the s/w reset register */
688         reg_wr08(RBTX4927_SW_RESET_ENABLE, RBTX4927_SW_RESET_ENABLE_SET);
689
690         /* wait for enable to be seen */
691         while ((reg_rd08(RBTX4927_SW_RESET_ENABLE) &
692                 RBTX4927_SW_RESET_ENABLE_SET) == 0x00);
693
694         /* do a s/w reset */
695         reg_wr08(RBTX4927_SW_RESET_DO, RBTX4927_SW_RESET_DO_SET);
696
697         /* do something passive while waiting for reset */
698         local_irq_disable();
699         while (1)
700                 asm_wait();
701
702         /* no return */
703 }
704
705
706 void toshiba_rbtx4927_halt(void)
707 {
708         printk(KERN_NOTICE "System Halted\n");
709         local_irq_disable();
710         while (1) {
711                 asm_wait();
712         }
713         /* no return */
714 }
715
716 void toshiba_rbtx4927_power_off(void)
717 {
718         toshiba_rbtx4927_halt();
719         /* no return */
720 }
721
722 void __init toshiba_rbtx4927_setup(void)
723 {
724         vu32 cp0_config;
725         char *argptr;
726
727         printk("CPU is %s\n", toshiba_name);
728
729         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
730                                        "-\n");
731
732         /* f/w leaves this on at startup */
733         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
734                                        ":Clearing STO_ERL.\n");
735         clear_c0_status(ST0_ERL);
736
737         /* enable caches -- HCP5 does this, pmon does not */
738         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
739                                        ":Enabling TX49_CONF_IC,TX49_CONF_DC.\n");
740         cp0_config = read_c0_config();
741         cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC);
742         write_c0_config(cp0_config);
743
744 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
745         {
746                 extern void dump_cp0(char *);
747                 dump_cp0("toshiba_rbtx4927_early_fw_fixup");
748         }
749 #endif
750
751         /* setup irq stuff */
752         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
753                                        ":Setting up tx4927 pic.\n");
754         TX4927_WR(0xff1ff604, 0x00000400);      /* irq trigger */
755         TX4927_WR(0xff1ff608, 0x00000000);      /* irq trigger */
756
757         /* setup serial stuff */
758         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
759                                        ":Setting up tx4927 sio.\n");
760         TX4927_WR(0xff1ff314, 0x00000000);      /* h/w flow control off */
761         TX4927_WR(0xff1ff414, 0x00000000);      /* h/w flow control off */
762
763         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
764                                        "+\n");
765
766         set_io_port_base(KSEG1 + TBTX4927_ISA_IO_OFFSET);
767         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
768                                        ":mips_io_port_base=0x%08lx\n",
769                                        mips_io_port_base);
770
771         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
772                                        ":Resource\n");
773         ioport_resource.end = 0xffffffff;
774         iomem_resource.end = 0xffffffff;
775
776         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
777                                        ":ResetRoutines\n");
778         _machine_restart = toshiba_rbtx4927_restart;
779         _machine_halt = toshiba_rbtx4927_halt;
780         pm_power_off = toshiba_rbtx4927_power_off;
781
782 #ifdef CONFIG_PCI
783
784         /* PCIC */
785         /*
786            * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
787            *
788            * For TX4927:
789            * PCIDIVMODE[12:11]'s initial value is given by S9[4:3] (ON:0, OFF:1).
790            * CPU 166MHz: PCI 66MHz : PCIDIVMODE: 00 (1/2.5)
791            * CPU 200MHz: PCI 66MHz : PCIDIVMODE: 01 (1/3)
792            * CPU 166MHz: PCI 33MHz : PCIDIVMODE: 10 (1/5)
793            * CPU 200MHz: PCI 33MHz : PCIDIVMODE: 11 (1/6)
794            * i.e. S9[3]: ON (83MHz), OFF (100MHz)
795            *
796            * For TX4937:
797            * PCIDIVMODE[12:11]'s initial value is given by S1[5:4] (ON:0, OFF:1)
798            * PCIDIVMODE[10] is 0.
799            * CPU 266MHz: PCI 33MHz : PCIDIVMODE: 000 (1/8)
800            * CPU 266MHz: PCI 66MHz : PCIDIVMODE: 001 (1/4)
801            * CPU 300MHz: PCI 33MHz : PCIDIVMODE: 010 (1/9)
802            * CPU 300MHz: PCI 66MHz : PCIDIVMODE: 011 (1/4.5)
803            * CPU 333MHz: PCI 33MHz : PCIDIVMODE: 100 (1/10)
804            * CPU 333MHz: PCI 66MHz : PCIDIVMODE: 101 (1/5)
805            *
806          */
807         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI1,
808                                        "ccfg is %lx, PCIDIVMODE is %x\n",
809                                        (unsigned long) tx4927_ccfgptr->ccfg,
810                                        (unsigned long) tx4927_ccfgptr->ccfg &
811                                        (mips_machtype == MACH_TOSHIBA_RBTX4937 ?
812                                         TX4937_CCFG_PCIDIVMODE_MASK :
813                                         TX4927_CCFG_PCIDIVMODE_MASK));
814
815         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI1,
816                                        "PCI66 mode is %lx, PCI mode is %lx, pci arb is %lx\n",
817                                        (unsigned long) tx4927_ccfgptr->
818                                        ccfg & TX4927_CCFG_PCI66,
819                                        (unsigned long) tx4927_ccfgptr->
820                                        ccfg & TX4927_CCFG_PCIMIDE,
821                                        (unsigned long) tx4927_ccfgptr->
822                                        ccfg & TX4927_CCFG_PCIXARB);
823
824         if (mips_machtype == MACH_TOSHIBA_RBTX4937)
825                 switch ((unsigned long)tx4927_ccfgptr->
826                         ccfg & TX4937_CCFG_PCIDIVMODE_MASK) {
827                 case TX4937_CCFG_PCIDIVMODE_8:
828                 case TX4937_CCFG_PCIDIVMODE_4:
829                         tx4927_cpu_clock = 266666666;   /* 266MHz */
830                         break;
831                 case TX4937_CCFG_PCIDIVMODE_9:
832                 case TX4937_CCFG_PCIDIVMODE_4_5:
833                         tx4927_cpu_clock = 300000000;   /* 300MHz */
834                         break;
835                 default:
836                         tx4927_cpu_clock = 333333333;   /* 333MHz */
837                 }
838         else
839                 switch ((unsigned long)tx4927_ccfgptr->
840                         ccfg & TX4927_CCFG_PCIDIVMODE_MASK) {
841                 case TX4927_CCFG_PCIDIVMODE_2_5:
842                 case TX4927_CCFG_PCIDIVMODE_5:
843                         tx4927_cpu_clock = 166666666;   /* 166MHz */
844                         break;
845                 default:
846                         tx4927_cpu_clock = 200000000;   /* 200MHz */
847                 }
848
849         /* CCFG */
850         /* enable Timeout BusError */
851         if (tx4927_ccfg_toeon)
852                 tx4927_ccfgptr->ccfg |= TX4927_CCFG_TOE;
853
854         tx4927_pci_setup();
855         if (tx4927_using_backplane == 1)
856                 printk("backplane board IS installed\n");
857         else
858                 printk("No Backplane \n");
859
860         /* this is on ISA bus behind PCI bus, so need PCI up first */
861 #ifdef CONFIG_TOSHIBA_FPCIB0
862         {
863                 if (tx4927_using_backplane) {
864                         TOSHIBA_RBTX4927_SETUP_DPRINTK
865                             (TOSHIBA_RBTX4927_SETUP_SETUP,
866                              ":fpcibo=yes\n");
867
868                         TOSHIBA_RBTX4927_SETUP_DPRINTK
869                             (TOSHIBA_RBTX4927_SETUP_SETUP,
870                              ":smsc_fdc37m81x_init()\n");
871                         smsc_fdc37m81x_init(0x3f0);
872
873                         TOSHIBA_RBTX4927_SETUP_DPRINTK
874                             (TOSHIBA_RBTX4927_SETUP_SETUP,
875                              ":smsc_fdc37m81x_config_beg()\n");
876                         smsc_fdc37m81x_config_beg();
877
878                         TOSHIBA_RBTX4927_SETUP_DPRINTK
879                             (TOSHIBA_RBTX4927_SETUP_SETUP,
880                              ":smsc_fdc37m81x_config_set(KBD)\n");
881                         smsc_fdc37m81x_config_set(SMSC_FDC37M81X_DNUM,
882                                                   SMSC_FDC37M81X_KBD);
883                         smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT, 1);
884                         smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT2, 12);
885                         smsc_fdc37m81x_config_set(SMSC_FDC37M81X_ACTIVE,
886                                                   1);
887
888                         smsc_fdc37m81x_config_end();
889                         TOSHIBA_RBTX4927_SETUP_DPRINTK
890                             (TOSHIBA_RBTX4927_SETUP_SETUP,
891                              ":smsc_fdc37m81x_config_end()\n");
892                 } else {
893                         TOSHIBA_RBTX4927_SETUP_DPRINTK
894                             (TOSHIBA_RBTX4927_SETUP_SETUP,
895                              ":fpcibo=not_found\n");
896                 }
897         }
898 #else
899         {
900                 TOSHIBA_RBTX4927_SETUP_DPRINTK
901                     (TOSHIBA_RBTX4927_SETUP_SETUP, ":fpcibo=no\n");
902         }
903 #endif
904
905 #endif /* CONFIG_PCI */
906
907 #ifdef CONFIG_SERIAL_TXX9
908         {
909                 extern int early_serial_txx9_setup(struct uart_port *port);
910                 int i;
911                 struct uart_port req;
912                 for(i = 0; i < 2; i++) {
913                         memset(&req, 0, sizeof(req));
914                         req.line = i;
915                         req.iotype = UPIO_MEM;
916                         req.membase = (char *)(0xff1ff300 + i * 0x100);
917                         req.mapbase = 0xff1ff300 + i * 0x100;
918                         req.irq = 32 + i;
919                         req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
920                         req.uartclk = 50000000;
921                         early_serial_txx9_setup(&req);
922                 }
923         }
924 #ifdef CONFIG_SERIAL_TXX9_CONSOLE
925         argptr = prom_getcmdline();
926         if (strstr(argptr, "console=") == NULL) {
927                 strcat(argptr, " console=ttyS0,38400");
928         }
929 #endif
930 #endif
931
932 #ifdef CONFIG_ROOT_NFS
933         argptr = prom_getcmdline();
934         if (strstr(argptr, "root=") == NULL) {
935                 strcat(argptr, " root=/dev/nfs rw");
936         }
937 #endif
938
939
940 #ifdef CONFIG_IP_PNP
941         argptr = prom_getcmdline();
942         if (strstr(argptr, "ip=") == NULL) {
943                 strcat(argptr, " ip=any");
944         }
945 #endif
946
947
948         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
949                                "+\n");
950 }
951
952 void __init
953 toshiba_rbtx4927_time_init(void)
954 {
955         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "-\n");
956
957         mips_hpt_frequency = tx4927_cpu_clock / 2;
958
959         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "+\n");
960
961 }
962
963 void __init toshiba_rbtx4927_timer_setup(struct irqaction *irq)
964 {
965         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIMER_SETUP,
966                                        "-\n");
967         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIMER_SETUP,
968                                        "+\n");
969 }
970
971 static int __init toshiba_rbtx4927_rtc_init(void)
972 {
973         static struct resource __initdata res = {
974                 .start  = 0x1c010000,
975                 .end    = 0x1c010000 + 0x800 - 1,
976                 .flags  = IORESOURCE_MEM,
977         };
978         struct platform_device *dev =
979                 platform_device_register_simple("ds1742", -1, &res, 1);
980         return IS_ERR(dev) ? PTR_ERR(dev) : 0;
981 }
982 device_initcall(toshiba_rbtx4927_rtc_init);
983
984 static int __init rbtx4927_ne_init(void)
985 {
986         static struct resource __initdata res[] = {
987                 {
988                         .start  = RBTX4927_RTL_8019_BASE,
989                         .end    = RBTX4927_RTL_8019_BASE + 0x20 - 1,
990                         .flags  = IORESOURCE_IO,
991                 }, {
992                         .start  = RBTX4927_RTL_8019_IRQ,
993                         .flags  = IORESOURCE_IRQ,
994                 }
995         };
996         struct platform_device *dev =
997                 platform_device_register_simple("ne", -1,
998                                                 res, ARRAY_SIZE(res));
999         return IS_ERR(dev) ? PTR_ERR(dev) : 0;
1000 }
1001 device_initcall(rbtx4927_ne_init);