2 * Toshiba rbtx4927 specific setup
4 * Author: MontaVista Software, Inc.
7 * Copyright 2001-2002 MontaVista Software Inc.
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
14 * Copyright 2001 MontaVista Software Inc.
15 * Author: jsun@mvista.com or jsun@junsun.net
17 * Copyright 2002 MontaVista Software Inc.
18 * Author: Michael Pruznick, michael_pruznick@mvista.com
20 * Copyright (C) 2000-2001 Toshiba Corporation
22 * Copyright (C) 2004 MontaVista Software Inc.
23 * Author: Manish Lachwani, mlachwani@mvista.com
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.
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.
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.
45 #include <linux/init.h>
46 #include <linux/kernel.h>
47 #include <linux/types.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>
56 #include <linux/platform_device.h>
58 #include <asm/bootinfo.h>
62 #include <asm/irq_regs.h>
63 #include <asm/processor.h>
64 #include <asm/reboot.h>
66 #include <linux/bootmem.h>
67 #include <linux/blkdev.h>
68 #ifdef CONFIG_TOSHIBA_FPCIB0
69 #include <asm/tx4927/smsc_fdc37m81x.h>
71 #include <asm/tx4927/toshiba_rbtx4927.h>
73 #include <asm/tx4927/tx4927_pci.h>
75 #ifdef CONFIG_BLK_DEV_IDEPCI
76 #include <linux/hdreg.h>
77 #include <linux/ide.h>
79 #ifdef CONFIG_SERIAL_TXX9
80 #include <linux/tty.h>
81 #include <linux/serial.h>
82 #include <linux/serial_core.h>
85 #undef TOSHIBA_RBTX4927_SETUP_DEBUG
87 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
88 #define TOSHIBA_RBTX4927_SETUP_NONE 0x00000000
90 #define TOSHIBA_RBTX4927_SETUP_INFO ( 1 << 0 )
91 #define TOSHIBA_RBTX4927_SETUP_WARN ( 1 << 1 )
92 #define TOSHIBA_RBTX4927_SETUP_EROR ( 1 << 2 )
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 )
103 #define TOSHIBA_RBTX4927_SETUP_ALL 0xffffffff
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);
116 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
117 #define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag,str...) \
118 if ( (toshiba_rbtx4927_setup_debug_flag) & (flag) ) \
121 sprintf( tmp, str ); \
122 printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
125 #define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag,str...)
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);
133 int tx4927_using_backplane = 0;
135 extern void gt64120_time_init(void);
136 extern void toshiba_rbtx4927_irq_setup(void);
138 char *prom_getcmdline(void);
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 */
159 char *toshiba_name = "";
162 extern struct pci_controller tx4927_controller;
164 static struct pci_dev *fake_pci_dev(struct pci_controller *hose,
165 int top_bus, int busnr, int devfn)
167 static struct pci_dev dev;
168 static struct pci_bus bus;
170 dev.sysdata = (void *)hose;
173 bus.ops = hose->pci_ops;
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) \
184 return pci_##rw##_config_##size( \
185 fake_pci_dev(hose, top_bus, bus, devfn), \
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)
194 static int __init tx4927_pcibios_init(void)
199 int devfn_stop = 0xff;
200 int busno = 0; /* One bus on the Toshiba */
201 struct pci_controller *hose = &tx4927_controller;
203 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
206 for (pci_devfn = devfn_start; pci_devfn < devfn_stop; pci_devfn++) {
207 early_read_config_dword(hose, busno, busno, pci_devfn,
210 if (id == 0xffffffff) {
214 if (id == 0x94601055) {
218 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
219 char *s = " sb/isa --";
222 TOSHIBA_RBTX4927_SETUP_DPRINTK
223 (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
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);
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);
243 /* serial irq control */
247 v32_b0 |= 0x00010000;
249 /* ide irq on isa14 */
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);
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);
270 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
272 early_read_config_byte(hose, busno, busno,
275 early_read_config_dword(hose, busno, busno,
278 early_read_config_byte(hose, busno, busno,
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);
294 TOSHIBA_RBTX4927_SETUP_DPRINTK
295 (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
299 if (id == 0x91301055) {
305 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
306 char *s = " sb/ide --";
309 TOSHIBA_RBTX4927_SETUP_DPRINTK
310 (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
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);
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);
340 /* enable ide master/io */
341 v08_04 |= (PCI_COMMAND_MASTER | PCI_COMMAND_IO);
343 /* enable ide native mode */
346 /* enable primary ide */
349 /* enable secondary ide */
353 * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
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"".
359 * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
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);
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);
390 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
392 early_read_config_byte(hose, busno, busno,
395 early_read_config_byte(hose, busno, busno,
398 early_read_config_byte(hose, busno, busno,
401 early_read_config_byte(hose, busno, busno,
404 early_read_config_byte(hose, busno, busno,
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);
426 TOSHIBA_RBTX4927_SETUP_DPRINTK
427 (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
433 register_pci_controller(&tx4927_controller);
434 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
440 arch_initcall(tx4927_pcibios_init);
442 extern struct resource pci_io_resource;
443 extern struct resource pci_mem_resource;
445 void tx4927_pci_setup(void)
447 static int called = 0;
448 extern unsigned int tx4927_get_mem_size(void);
450 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "-\n");
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",
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;
462 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
463 "0x%08lx=mips_pci_io_base\n",
465 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
466 "0x%08lx=mips_pci_io_size\n",
468 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
469 "0x%08lx=mips_pci_mem_base\n",
471 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
472 "0x%08lx=mips_pci_mem_size\n",
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",
491 ("%s PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s\n",
493 (unsigned short) (tx4927_pcicptr->pciid >> 16),
494 (unsigned short) (tx4927_pcicptr->pciid & 0xffff),
495 (unsigned short) (tx4927_pcicptr->pciccrev & 0xff),
497 ccfg & TX4927_CCFG_PCIXARB)) ? "External" :
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) {
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;
511 case TX4937_CCFG_PCIDIVMODE_4_5:
512 pciclk = tx4927_cpu_clock * 2 / 9;
514 case TX4937_CCFG_PCIDIVMODE_5:
515 pciclk = tx4927_cpu_clock / 5;
517 case TX4937_CCFG_PCIDIVMODE_5_5:
518 pciclk = tx4927_cpu_clock * 2 / 11;
520 case TX4937_CCFG_PCIDIVMODE_8:
521 pciclk = tx4927_cpu_clock / 8;
523 case TX4937_CCFG_PCIDIVMODE_9:
524 pciclk = tx4927_cpu_clock / 9;
526 case TX4937_CCFG_PCIDIVMODE_10:
527 pciclk = tx4927_cpu_clock / 10;
529 case TX4937_CCFG_PCIDIVMODE_11:
530 pciclk = tx4927_cpu_clock / 11;
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;
540 case TX4927_CCFG_PCIDIVMODE_3:
541 pciclk = tx4927_cpu_clock / 3;
543 case TX4927_CCFG_PCIDIVMODE_5:
544 pciclk = tx4927_cpu_clock / 5;
546 case TX4927_CCFG_PCIDIVMODE_6:
547 pciclk = tx4927_cpu_clock / 6;
551 printk("Internal(%dMHz)", pciclk / 1000000);
554 int pciclk_setting = *tx4927_pci_clk_ptr;
555 switch (pciclk_setting & TX4927_PCI_CLK_MASK) {
556 case TX4927_PCI_CLK_33:
559 case TX4927_PCI_CLK_25:
562 case TX4927_PCI_CLK_66:
565 case TX4927_PCI_CLK_50:
569 printk("External(%dMHz)", pciclk / 1000000);
575 /* GB->PCI mappings */
576 tx4927_pcicptr->g2piomask = (mips_pci_io_size - 1) >> 4;
577 tx4927_pcicptr->g2piogbase = mips_pci_io_base |
579 TX4927_PCIC_G2PIOGBASE_ECHG
581 TX4927_PCIC_G2PIOGBASE_BSDIS
585 tx4927_pcicptr->g2piopbase = 0;
587 tx4927_pcicptr->g2pmmask[0] = (mips_pci_mem_size - 1) >> 4;
588 tx4927_pcicptr->g2pmgbase[0] = mips_pci_mem_base |
590 TX4927_PCIC_G2PMnGBASE_ECHG
592 TX4927_PCIC_G2PMnGBASE_BSDIS
595 tx4927_pcicptr->g2pmpbase[0] = mips_pci_mem_base;
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;
605 /* PCI->GB mappings (I/O 256B) */
606 tx4927_pcicptr->p2giopbase = 0; /* 256B */
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 |
613 TX4927_PCIC_P2GMnGBASE_TECHG
615 TX4927_PCIC_P2GMnGBASE_TBSDIS
619 /* PCI->GB mappings (MEM 16MB) -not used */
620 tx4927_pcicptr->p2gm1plbase = 0xffffffff;
621 tx4927_pcicptr->p2gm1pubase = 0xffffffff;
622 tx4927_pcicptr->p2gmgbase[1] = 0;
624 /* PCI->GB mappings (MEM 1MB) -not used */
625 tx4927_pcicptr->p2gm2pbase = 0xffffffff;
626 tx4927_pcicptr->p2gmgbase[2] = 0;
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;
636 /* Do not use MEMMUL, MEMINF: YMFPCI card causes M_ABORT. */
637 tx4927_pcicptr->pcicfg1 = 0;
639 if (tx4927_pcic_trdyto >= 0) {
640 tx4927_pcicptr->g2ptocnt &= ~0xff;
641 tx4927_pcicptr->g2ptocnt |= (tx4927_pcic_trdyto & 0xff);
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;
659 /* PCIC Int => IRC IRQ16 */
660 tx4927_pcicptr->pcicfg2 =
661 (tx4927_pcicptr->pcicfg2 & 0xffffff00) | TX4927_IR_PCIC;
663 if (!(tx4927_ccfgptr->ccfg & TX4927_CCFG_PCIXARB)) {
666 /* Reset Bus Arbiter */
667 tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_RPBA;
668 /* Enable Bus Arbiter */
669 tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_PBAEN;
672 tx4927_pcicptr->pcistatus = PCI_COMMAND_MASTER |
674 PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
676 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
677 ":pci setup complete:\n");
678 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "+\n");
681 #endif /* CONFIG_PCI */
683 void toshiba_rbtx4927_restart(char *command)
685 printk(KERN_NOTICE "System Rebooting...\n");
687 /* enable the s/w reset register */
688 reg_wr08(RBTX4927_SW_RESET_ENABLE, RBTX4927_SW_RESET_ENABLE_SET);
690 /* wait for enable to be seen */
691 while ((reg_rd08(RBTX4927_SW_RESET_ENABLE) &
692 RBTX4927_SW_RESET_ENABLE_SET) == 0x00);
695 reg_wr08(RBTX4927_SW_RESET_DO, RBTX4927_SW_RESET_DO_SET);
697 /* do something passive while waiting for reset */
706 void toshiba_rbtx4927_halt(void)
708 printk(KERN_NOTICE "System Halted\n");
716 void toshiba_rbtx4927_power_off(void)
718 toshiba_rbtx4927_halt();
722 void __init toshiba_rbtx4927_setup(void)
727 printk("CPU is %s\n", toshiba_name);
729 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
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);
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);
744 #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
746 extern void dump_cp0(char *);
747 dump_cp0("toshiba_rbtx4927_early_fw_fixup");
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 */
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 */
763 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
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",
771 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
773 ioport_resource.end = 0xffffffff;
774 iomem_resource.end = 0xffffffff;
776 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
778 _machine_restart = toshiba_rbtx4927_restart;
779 _machine_halt = toshiba_rbtx4927_halt;
780 pm_power_off = toshiba_rbtx4927_power_off;
786 * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
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)
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)
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));
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);
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 */
831 case TX4937_CCFG_PCIDIVMODE_9:
832 case TX4937_CCFG_PCIDIVMODE_4_5:
833 tx4927_cpu_clock = 300000000; /* 300MHz */
836 tx4927_cpu_clock = 333333333; /* 333MHz */
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 */
846 tx4927_cpu_clock = 200000000; /* 200MHz */
850 /* enable Timeout BusError */
851 if (tx4927_ccfg_toeon)
852 tx4927_ccfgptr->ccfg |= TX4927_CCFG_TOE;
855 if (tx4927_using_backplane == 1)
856 printk("backplane board IS installed\n");
858 printk("No Backplane \n");
860 /* this is on ISA bus behind PCI bus, so need PCI up first */
861 #ifdef CONFIG_TOSHIBA_FPCIB0
863 if (tx4927_using_backplane) {
864 TOSHIBA_RBTX4927_SETUP_DPRINTK
865 (TOSHIBA_RBTX4927_SETUP_SETUP,
868 TOSHIBA_RBTX4927_SETUP_DPRINTK
869 (TOSHIBA_RBTX4927_SETUP_SETUP,
870 ":smsc_fdc37m81x_init()\n");
871 smsc_fdc37m81x_init(0x3f0);
873 TOSHIBA_RBTX4927_SETUP_DPRINTK
874 (TOSHIBA_RBTX4927_SETUP_SETUP,
875 ":smsc_fdc37m81x_config_beg()\n");
876 smsc_fdc37m81x_config_beg();
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,
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,
888 smsc_fdc37m81x_config_end();
889 TOSHIBA_RBTX4927_SETUP_DPRINTK
890 (TOSHIBA_RBTX4927_SETUP_SETUP,
891 ":smsc_fdc37m81x_config_end()\n");
893 TOSHIBA_RBTX4927_SETUP_DPRINTK
894 (TOSHIBA_RBTX4927_SETUP_SETUP,
895 ":fpcibo=not_found\n");
900 TOSHIBA_RBTX4927_SETUP_DPRINTK
901 (TOSHIBA_RBTX4927_SETUP_SETUP, ":fpcibo=no\n");
905 #endif /* CONFIG_PCI */
907 #ifdef CONFIG_SERIAL_TXX9
909 extern int early_serial_txx9_setup(struct uart_port *port);
911 struct uart_port req;
912 for(i = 0; i < 2; i++) {
913 memset(&req, 0, sizeof(req));
915 req.iotype = UPIO_MEM;
916 req.membase = (char *)(0xff1ff300 + i * 0x100);
917 req.mapbase = 0xff1ff300 + i * 0x100;
919 req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
920 req.uartclk = 50000000;
921 early_serial_txx9_setup(&req);
924 #ifdef CONFIG_SERIAL_TXX9_CONSOLE
925 argptr = prom_getcmdline();
926 if (strstr(argptr, "console=") == NULL) {
927 strcat(argptr, " console=ttyS0,38400");
932 #ifdef CONFIG_ROOT_NFS
933 argptr = prom_getcmdline();
934 if (strstr(argptr, "root=") == NULL) {
935 strcat(argptr, " root=/dev/nfs rw");
941 argptr = prom_getcmdline();
942 if (strstr(argptr, "ip=") == NULL) {
943 strcat(argptr, " ip=any");
948 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
953 toshiba_rbtx4927_time_init(void)
955 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "-\n");
957 mips_hpt_frequency = tx4927_cpu_clock / 2;
959 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "+\n");
963 void __init toshiba_rbtx4927_timer_setup(struct irqaction *irq)
965 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIMER_SETUP,
967 TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIMER_SETUP,
971 static int __init toshiba_rbtx4927_rtc_init(void)
973 static struct resource __initdata res = {
975 .end = 0x1c010000 + 0x800 - 1,
976 .flags = IORESOURCE_MEM,
978 struct platform_device *dev =
979 platform_device_register_simple("ds1742", -1, &res, 1);
980 return IS_ERR(dev) ? PTR_ERR(dev) : 0;
982 device_initcall(toshiba_rbtx4927_rtc_init);
984 static int __init rbtx4927_ne_init(void)
986 static struct resource __initdata res[] = {
988 .start = RBTX4927_RTL_8019_BASE,
989 .end = RBTX4927_RTL_8019_BASE + 0x20 - 1,
990 .flags = IORESOURCE_IO,
992 .start = RBTX4927_RTL_8019_IRQ,
993 .flags = IORESOURCE_IRQ,
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;
1001 device_initcall(rbtx4927_ne_init);