diff options
Diffstat (limited to 'arch/ppc/amiga/config.c')
-rw-r--r-- | arch/ppc/amiga/config.c | 953 |
1 files changed, 0 insertions, 953 deletions
diff --git a/arch/ppc/amiga/config.c b/arch/ppc/amiga/config.c deleted file mode 100644 index bc50ed11957d..000000000000 --- a/arch/ppc/amiga/config.c +++ /dev/null | |||
@@ -1,953 +0,0 @@ | |||
1 | #define m68k_debug_device debug_device | ||
2 | |||
3 | /* | ||
4 | * Copyright (C) 1993 Hamish Macdonald | ||
5 | * | ||
6 | * This file is subject to the terms and conditions of the GNU General Public | ||
7 | * License. See the file COPYING in the main directory of this archive | ||
8 | * for more details. | ||
9 | */ | ||
10 | |||
11 | /* | ||
12 | * Miscellaneous Amiga stuff | ||
13 | */ | ||
14 | |||
15 | #include <linux/types.h> | ||
16 | #include <linux/kernel.h> | ||
17 | #include <linux/mm.h> | ||
18 | #include <linux/kd.h> | ||
19 | #include <linux/tty.h> | ||
20 | #include <linux/console.h> | ||
21 | #include <linux/init.h> | ||
22 | #ifdef CONFIG_ZORRO | ||
23 | #include <linux/zorro.h> | ||
24 | #endif | ||
25 | |||
26 | #include <asm/bootinfo.h> | ||
27 | #include <asm/setup.h> | ||
28 | #include <asm/system.h> | ||
29 | #include <asm/pgtable.h> | ||
30 | #include <asm/amigahw.h> | ||
31 | #include <asm/amigaints.h> | ||
32 | #include <asm/irq.h> | ||
33 | #include <asm/machdep.h> | ||
34 | #include <asm/io.h> | ||
35 | |||
36 | unsigned long powerup_PCI_present; | ||
37 | unsigned long powerup_BPPCPLUS_present; | ||
38 | unsigned long amiga_model; | ||
39 | unsigned long amiga_eclock; | ||
40 | unsigned long amiga_masterclock; | ||
41 | unsigned long amiga_colorclock; | ||
42 | unsigned long amiga_chipset; | ||
43 | unsigned char amiga_vblank; | ||
44 | unsigned char amiga_psfreq; | ||
45 | struct amiga_hw_present amiga_hw_present; | ||
46 | |||
47 | static char s_a500[] __initdata = "A500"; | ||
48 | static char s_a500p[] __initdata = "A500+"; | ||
49 | static char s_a600[] __initdata = "A600"; | ||
50 | static char s_a1000[] __initdata = "A1000"; | ||
51 | static char s_a1200[] __initdata = "A1200"; | ||
52 | static char s_a2000[] __initdata = "A2000"; | ||
53 | static char s_a2500[] __initdata = "A2500"; | ||
54 | static char s_a3000[] __initdata = "A3000"; | ||
55 | static char s_a3000t[] __initdata = "A3000T"; | ||
56 | static char s_a3000p[] __initdata = "A3000+"; | ||
57 | static char s_a4000[] __initdata = "A4000"; | ||
58 | static char s_a4000t[] __initdata = "A4000T"; | ||
59 | static char s_cdtv[] __initdata = "CDTV"; | ||
60 | static char s_cd32[] __initdata = "CD32"; | ||
61 | static char s_draco[] __initdata = "Draco"; | ||
62 | static char *amiga_models[] __initdata = { | ||
63 | s_a500, s_a500p, s_a600, s_a1000, s_a1200, s_a2000, s_a2500, s_a3000, | ||
64 | s_a3000t, s_a3000p, s_a4000, s_a4000t, s_cdtv, s_cd32, s_draco, | ||
65 | }; | ||
66 | |||
67 | static char amiga_model_name[13] = "Amiga "; | ||
68 | |||
69 | extern char m68k_debug_device[]; | ||
70 | |||
71 | static void amiga_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); | ||
72 | /* amiga specific irq functions */ | ||
73 | extern void amiga_init_IRQ (void); | ||
74 | extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *); | ||
75 | extern int amiga_request_irq (unsigned int irq, | ||
76 | void (*handler)(int, void *, struct pt_regs *), | ||
77 | unsigned long flags, const char *devname, | ||
78 | void *dev_id); | ||
79 | extern void amiga_free_irq (unsigned int irq, void *dev_id); | ||
80 | extern void amiga_enable_irq (unsigned int); | ||
81 | extern void amiga_disable_irq (unsigned int); | ||
82 | static void amiga_get_model(char *model); | ||
83 | static int amiga_get_hardware_list(char *buffer); | ||
84 | /* amiga specific timer functions */ | ||
85 | static unsigned long amiga_gettimeoffset (void); | ||
86 | static void a3000_gettod (int *, int *, int *, int *, int *, int *); | ||
87 | static void a2000_gettod (int *, int *, int *, int *, int *, int *); | ||
88 | static int amiga_hwclk (int, struct hwclk_time *); | ||
89 | static int amiga_set_clock_mmss (unsigned long); | ||
90 | static void amiga_reset (void); | ||
91 | extern void amiga_init_sound(void); | ||
92 | static void amiga_savekmsg_init(void); | ||
93 | static void amiga_mem_console_write(struct console *co, const char *b, | ||
94 | unsigned int count); | ||
95 | void amiga_serial_console_write(struct console *co, const char *s, | ||
96 | unsigned int count); | ||
97 | static void amiga_debug_init(void); | ||
98 | #ifdef CONFIG_HEARTBEAT | ||
99 | static void amiga_heartbeat(int on); | ||
100 | #endif | ||
101 | |||
102 | static struct console amiga_console_driver = { | ||
103 | .name = "debug", | ||
104 | .flags = CON_PRINTBUFFER, | ||
105 | .index = -1, | ||
106 | }; | ||
107 | |||
108 | |||
109 | /* | ||
110 | * Motherboard Resources present in all Amiga models | ||
111 | */ | ||
112 | |||
113 | static struct { | ||
114 | struct resource _ciab, _ciaa, _custom, _kickstart; | ||
115 | } mb_resources = { | ||
116 | // { "Ranger Memory", 0x00c00000, 0x00c7ffff }, | ||
117 | ._ciab = { "CIA B", 0x00bfd000, 0x00bfdfff }, | ||
118 | ._ciaa = { "CIA A", 0x00bfe000, 0x00bfefff }, | ||
119 | ._custom = { "Custom I/O", 0x00dff000, 0x00dfffff }, | ||
120 | ._kickstart = { "Kickstart ROM", 0x00f80000, 0x00ffffff } | ||
121 | }; | ||
122 | |||
123 | static struct resource rtc_resource = { | ||
124 | NULL, 0x00dc0000, 0x00dcffff | ||
125 | }; | ||
126 | |||
127 | static struct resource ram_resource[NUM_MEMINFO]; | ||
128 | |||
129 | |||
130 | /* | ||
131 | * Parse an Amiga-specific record in the bootinfo | ||
132 | */ | ||
133 | |||
134 | int amiga_parse_bootinfo(const struct bi_record *record) | ||
135 | { | ||
136 | int unknown = 0; | ||
137 | const unsigned long *data = record->data; | ||
138 | |||
139 | switch (record->tag) { | ||
140 | case BI_AMIGA_MODEL: | ||
141 | { | ||
142 | unsigned long d = *data; | ||
143 | |||
144 | powerup_PCI_present = d & 0x100; | ||
145 | amiga_model = d & 0xff; | ||
146 | } | ||
147 | break; | ||
148 | |||
149 | case BI_AMIGA_ECLOCK: | ||
150 | amiga_eclock = *data; | ||
151 | break; | ||
152 | |||
153 | case BI_AMIGA_CHIPSET: | ||
154 | amiga_chipset = *data; | ||
155 | break; | ||
156 | |||
157 | case BI_AMIGA_CHIP_SIZE: | ||
158 | amiga_chip_size = *(const int *)data; | ||
159 | break; | ||
160 | |||
161 | case BI_AMIGA_VBLANK: | ||
162 | amiga_vblank = *(const unsigned char *)data; | ||
163 | break; | ||
164 | |||
165 | case BI_AMIGA_PSFREQ: | ||
166 | amiga_psfreq = *(const unsigned char *)data; | ||
167 | break; | ||
168 | |||
169 | case BI_AMIGA_AUTOCON: | ||
170 | #ifdef CONFIG_ZORRO | ||
171 | if (zorro_num_autocon < ZORRO_NUM_AUTO) { | ||
172 | const struct ConfigDev *cd = (struct ConfigDev *)data; | ||
173 | struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; | ||
174 | dev->rom = cd->cd_Rom; | ||
175 | dev->slotaddr = cd->cd_SlotAddr; | ||
176 | dev->slotsize = cd->cd_SlotSize; | ||
177 | dev->resource.start = (unsigned long)cd->cd_BoardAddr; | ||
178 | dev->resource.end = dev->resource.start+cd->cd_BoardSize-1; | ||
179 | } else | ||
180 | printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); | ||
181 | #endif /* CONFIG_ZORRO */ | ||
182 | break; | ||
183 | |||
184 | case BI_AMIGA_SERPER: | ||
185 | /* serial port period: ignored here */ | ||
186 | break; | ||
187 | |||
188 | case BI_AMIGA_PUP_BRIDGE: | ||
189 | powerup_PCI_present = *(const unsigned short *)data; | ||
190 | break; | ||
191 | |||
192 | case BI_AMIGA_BPPC_SCSI: | ||
193 | powerup_BPPCPLUS_present = *(const unsigned short *)data; | ||
194 | break; | ||
195 | |||
196 | default: | ||
197 | unknown = 1; | ||
198 | } | ||
199 | return(unknown); | ||
200 | } | ||
201 | |||
202 | /* | ||
203 | * Identify builtin hardware | ||
204 | */ | ||
205 | |||
206 | static void __init amiga_identify(void) | ||
207 | { | ||
208 | /* Fill in some default values, if necessary */ | ||
209 | if (amiga_eclock == 0) | ||
210 | amiga_eclock = 709379; | ||
211 | |||
212 | memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); | ||
213 | |||
214 | printk("Amiga hardware found: "); | ||
215 | if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { | ||
216 | printk("[%s] ", amiga_models[amiga_model-AMI_500]); | ||
217 | strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); | ||
218 | } | ||
219 | |||
220 | switch(amiga_model) { | ||
221 | case AMI_UNKNOWN: | ||
222 | goto Generic; | ||
223 | |||
224 | case AMI_600: | ||
225 | case AMI_1200: | ||
226 | AMIGAHW_SET(A1200_IDE); | ||
227 | AMIGAHW_SET(PCMCIA); | ||
228 | case AMI_500: | ||
229 | case AMI_500PLUS: | ||
230 | case AMI_1000: | ||
231 | case AMI_2000: | ||
232 | case AMI_2500: | ||
233 | AMIGAHW_SET(A2000_CLK); /* Is this correct for all models? */ | ||
234 | goto Generic; | ||
235 | |||
236 | case AMI_3000: | ||
237 | case AMI_3000T: | ||
238 | AMIGAHW_SET(AMBER_FF); | ||
239 | AMIGAHW_SET(MAGIC_REKICK); | ||
240 | /* fall through */ | ||
241 | case AMI_3000PLUS: | ||
242 | AMIGAHW_SET(A3000_SCSI); | ||
243 | AMIGAHW_SET(A3000_CLK); | ||
244 | AMIGAHW_SET(ZORRO3); | ||
245 | goto Generic; | ||
246 | |||
247 | case AMI_4000T: | ||
248 | AMIGAHW_SET(A4000_SCSI); | ||
249 | /* fall through */ | ||
250 | case AMI_4000: | ||
251 | AMIGAHW_SET(A4000_IDE); | ||
252 | AMIGAHW_SET(A3000_CLK); | ||
253 | AMIGAHW_SET(ZORRO3); | ||
254 | goto Generic; | ||
255 | |||
256 | case AMI_CDTV: | ||
257 | case AMI_CD32: | ||
258 | AMIGAHW_SET(CD_ROM); | ||
259 | AMIGAHW_SET(A2000_CLK); /* Is this correct? */ | ||
260 | goto Generic; | ||
261 | |||
262 | Generic: | ||
263 | AMIGAHW_SET(AMI_VIDEO); | ||
264 | AMIGAHW_SET(AMI_BLITTER); | ||
265 | AMIGAHW_SET(AMI_AUDIO); | ||
266 | AMIGAHW_SET(AMI_FLOPPY); | ||
267 | AMIGAHW_SET(AMI_KEYBOARD); | ||
268 | AMIGAHW_SET(AMI_MOUSE); | ||
269 | AMIGAHW_SET(AMI_SERIAL); | ||
270 | AMIGAHW_SET(AMI_PARALLEL); | ||
271 | AMIGAHW_SET(CHIP_RAM); | ||
272 | AMIGAHW_SET(PAULA); | ||
273 | |||
274 | switch(amiga_chipset) { | ||
275 | case CS_OCS: | ||
276 | case CS_ECS: | ||
277 | case CS_AGA: | ||
278 | switch (amiga_custom.deniseid & 0xf) { | ||
279 | case 0x0c: | ||
280 | AMIGAHW_SET(DENISE_HR); | ||
281 | break; | ||
282 | case 0x08: | ||
283 | AMIGAHW_SET(LISA); | ||
284 | break; | ||
285 | } | ||
286 | break; | ||
287 | default: | ||
288 | AMIGAHW_SET(DENISE); | ||
289 | break; | ||
290 | } | ||
291 | switch ((amiga_custom.vposr>>8) & 0x7f) { | ||
292 | case 0x00: | ||
293 | AMIGAHW_SET(AGNUS_PAL); | ||
294 | break; | ||
295 | case 0x10: | ||
296 | AMIGAHW_SET(AGNUS_NTSC); | ||
297 | break; | ||
298 | case 0x20: | ||
299 | case 0x21: | ||
300 | AMIGAHW_SET(AGNUS_HR_PAL); | ||
301 | break; | ||
302 | case 0x30: | ||
303 | case 0x31: | ||
304 | AMIGAHW_SET(AGNUS_HR_NTSC); | ||
305 | break; | ||
306 | case 0x22: | ||
307 | case 0x23: | ||
308 | AMIGAHW_SET(ALICE_PAL); | ||
309 | break; | ||
310 | case 0x32: | ||
311 | case 0x33: | ||
312 | AMIGAHW_SET(ALICE_NTSC); | ||
313 | break; | ||
314 | } | ||
315 | AMIGAHW_SET(ZORRO); | ||
316 | break; | ||
317 | |||
318 | case AMI_DRACO: | ||
319 | panic("No support for Draco yet"); | ||
320 | |||
321 | default: | ||
322 | panic("Unknown Amiga Model"); | ||
323 | } | ||
324 | |||
325 | #define AMIGAHW_ANNOUNCE(name, str) \ | ||
326 | if (AMIGAHW_PRESENT(name)) \ | ||
327 | printk(str) | ||
328 | |||
329 | AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); | ||
330 | AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); | ||
331 | AMIGAHW_ANNOUNCE(AMBER_FF, "AMBER_FF "); | ||
332 | AMIGAHW_ANNOUNCE(AMI_AUDIO, "AUDIO "); | ||
333 | AMIGAHW_ANNOUNCE(AMI_FLOPPY, "FLOPPY "); | ||
334 | AMIGAHW_ANNOUNCE(A3000_SCSI, "A3000_SCSI "); | ||
335 | AMIGAHW_ANNOUNCE(A4000_SCSI, "A4000_SCSI "); | ||
336 | AMIGAHW_ANNOUNCE(A1200_IDE, "A1200_IDE "); | ||
337 | AMIGAHW_ANNOUNCE(A4000_IDE, "A4000_IDE "); | ||
338 | AMIGAHW_ANNOUNCE(CD_ROM, "CD_ROM "); | ||
339 | AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "KEYBOARD "); | ||
340 | AMIGAHW_ANNOUNCE(AMI_MOUSE, "MOUSE "); | ||
341 | AMIGAHW_ANNOUNCE(AMI_SERIAL, "SERIAL "); | ||
342 | AMIGAHW_ANNOUNCE(AMI_PARALLEL, "PARALLEL "); | ||
343 | AMIGAHW_ANNOUNCE(A2000_CLK, "A2000_CLK "); | ||
344 | AMIGAHW_ANNOUNCE(A3000_CLK, "A3000_CLK "); | ||
345 | AMIGAHW_ANNOUNCE(CHIP_RAM, "CHIP_RAM "); | ||
346 | AMIGAHW_ANNOUNCE(PAULA, "PAULA "); | ||
347 | AMIGAHW_ANNOUNCE(DENISE, "DENISE "); | ||
348 | AMIGAHW_ANNOUNCE(DENISE_HR, "DENISE_HR "); | ||
349 | AMIGAHW_ANNOUNCE(LISA, "LISA "); | ||
350 | AMIGAHW_ANNOUNCE(AGNUS_PAL, "AGNUS_PAL "); | ||
351 | AMIGAHW_ANNOUNCE(AGNUS_NTSC, "AGNUS_NTSC "); | ||
352 | AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "AGNUS_HR_PAL "); | ||
353 | AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "AGNUS_HR_NTSC "); | ||
354 | AMIGAHW_ANNOUNCE(ALICE_PAL, "ALICE_PAL "); | ||
355 | AMIGAHW_ANNOUNCE(ALICE_NTSC, "ALICE_NTSC "); | ||
356 | AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); | ||
357 | AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); | ||
358 | if (AMIGAHW_PRESENT(ZORRO)) | ||
359 | printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); | ||
360 | printk("\n"); | ||
361 | |||
362 | #undef AMIGAHW_ANNOUNCE | ||
363 | } | ||
364 | |||
365 | /* | ||
366 | * Setup the Amiga configuration info | ||
367 | */ | ||
368 | |||
369 | void __init config_amiga(void) | ||
370 | { | ||
371 | int i; | ||
372 | |||
373 | amiga_debug_init(); | ||
374 | amiga_identify(); | ||
375 | |||
376 | /* Some APUS boxes may have PCI memory, but ... */ | ||
377 | iomem_resource.name = "Memory"; | ||
378 | for (i = 0; i < 4; i++) | ||
379 | request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]); | ||
380 | |||
381 | mach_sched_init = amiga_sched_init; | ||
382 | mach_init_IRQ = amiga_init_IRQ; | ||
383 | #ifndef CONFIG_APUS | ||
384 | mach_default_handler = &amiga_default_handler; | ||
385 | mach_request_irq = amiga_request_irq; | ||
386 | mach_free_irq = amiga_free_irq; | ||
387 | enable_irq = amiga_enable_irq; | ||
388 | disable_irq = amiga_disable_irq; | ||
389 | #endif | ||
390 | mach_get_model = amiga_get_model; | ||
391 | mach_get_hardware_list = amiga_get_hardware_list; | ||
392 | mach_gettimeoffset = amiga_gettimeoffset; | ||
393 | if (AMIGAHW_PRESENT(A3000_CLK)){ | ||
394 | mach_gettod = a3000_gettod; | ||
395 | rtc_resource.name = "A3000 RTC"; | ||
396 | request_resource(&iomem_resource, &rtc_resource); | ||
397 | } | ||
398 | else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */ | ||
399 | mach_gettod = a2000_gettod; | ||
400 | rtc_resource.name = "A2000 RTC"; | ||
401 | request_resource(&iomem_resource, &rtc_resource); | ||
402 | } | ||
403 | |||
404 | mach_max_dma_address = 0xffffffff; /* | ||
405 | * default MAX_DMA=0xffffffff | ||
406 | * on all machines. If we don't | ||
407 | * do so, the SCSI code will not | ||
408 | * be able to allocate any mem | ||
409 | * for transfers, unless we are | ||
410 | * dealing with a Z2 mem only | ||
411 | * system. /Jes | ||
412 | */ | ||
413 | |||
414 | mach_hwclk = amiga_hwclk; | ||
415 | mach_set_clock_mmss = amiga_set_clock_mmss; | ||
416 | mach_reset = amiga_reset; | ||
417 | #ifdef CONFIG_HEARTBEAT | ||
418 | mach_heartbeat = amiga_heartbeat; | ||
419 | #endif | ||
420 | |||
421 | /* Fill in the clock values (based on the 700 kHz E-Clock) */ | ||
422 | amiga_masterclock = 40*amiga_eclock; /* 28 MHz */ | ||
423 | amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ | ||
424 | |||
425 | /* clear all DMA bits */ | ||
426 | amiga_custom.dmacon = DMAF_ALL; | ||
427 | /* ensure that the DMA master bit is set */ | ||
428 | amiga_custom.dmacon = DMAF_SETCLR | DMAF_MASTER; | ||
429 | |||
430 | /* request all RAM */ | ||
431 | for (i = 0; i < m68k_num_memory; i++) { | ||
432 | ram_resource[i].name = | ||
433 | (m68k_memory[i].addr >= 0x01000000) ? "32-bit Fast RAM" : | ||
434 | (m68k_memory[i].addr < 0x00c00000) ? "16-bit Fast RAM" : | ||
435 | "16-bit Slow RAM"; | ||
436 | ram_resource[i].start = m68k_memory[i].addr; | ||
437 | ram_resource[i].end = m68k_memory[i].addr+m68k_memory[i].size-1; | ||
438 | request_resource(&iomem_resource, &ram_resource[i]); | ||
439 | } | ||
440 | |||
441 | /* initialize chipram allocator */ | ||
442 | amiga_chip_init (); | ||
443 | |||
444 | /* debugging using chipram */ | ||
445 | if (!strcmp( m68k_debug_device, "mem" )){ | ||
446 | if (!AMIGAHW_PRESENT(CHIP_RAM)) | ||
447 | printk("Warning: no chipram present for debugging\n"); | ||
448 | else { | ||
449 | amiga_savekmsg_init(); | ||
450 | amiga_console_driver.write = amiga_mem_console_write; | ||
451 | register_console(&amiga_console_driver); | ||
452 | } | ||
453 | } | ||
454 | |||
455 | /* our beloved beeper */ | ||
456 | if (AMIGAHW_PRESENT(AMI_AUDIO)) | ||
457 | amiga_init_sound(); | ||
458 | |||
459 | /* | ||
460 | * if it is an A3000, set the magic bit that forces | ||
461 | * a hard rekick | ||
462 | */ | ||
463 | if (AMIGAHW_PRESENT(MAGIC_REKICK)) | ||
464 | *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80; | ||
465 | } | ||
466 | |||
467 | static unsigned short jiffy_ticks; | ||
468 | |||
469 | static void __init amiga_sched_init(irqreturn_t (*timer_routine)(int, void *, | ||
470 | struct pt_regs *)) | ||
471 | { | ||
472 | static struct resource sched_res = { | ||
473 | "timer", 0x00bfd400, 0x00bfd5ff, | ||
474 | }; | ||
475 | jiffy_ticks = (amiga_eclock+HZ/2)/HZ; | ||
476 | |||
477 | if (request_resource(&mb_resources._ciab, &sched_res)) | ||
478 | printk("Cannot allocate ciab.ta{lo,hi}\n"); | ||
479 | ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ | ||
480 | ciab.talo = jiffy_ticks % 256; | ||
481 | ciab.tahi = jiffy_ticks / 256; | ||
482 | |||
483 | /* install interrupt service routine for CIAB Timer A | ||
484 | * | ||
485 | * Please don't change this to use ciaa, as it interferes with the | ||
486 | * SCSI code. We'll have to take a look at this later | ||
487 | */ | ||
488 | request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL); | ||
489 | /* start timer */ | ||
490 | ciab.cra |= 0x11; | ||
491 | } | ||
492 | |||
493 | #define TICK_SIZE 10000 | ||
494 | |||
495 | extern unsigned char cia_get_irq_mask(unsigned int irq); | ||
496 | |||
497 | /* This is always executed with interrupts disabled. */ | ||
498 | static unsigned long amiga_gettimeoffset (void) | ||
499 | { | ||
500 | unsigned short hi, lo, hi2; | ||
501 | unsigned long ticks, offset = 0; | ||
502 | |||
503 | /* read CIA B timer A current value */ | ||
504 | hi = ciab.tahi; | ||
505 | lo = ciab.talo; | ||
506 | hi2 = ciab.tahi; | ||
507 | |||
508 | if (hi != hi2) { | ||
509 | lo = ciab.talo; | ||
510 | hi = hi2; | ||
511 | } | ||
512 | |||
513 | ticks = hi << 8 | lo; | ||
514 | |||
515 | if (ticks > jiffy_ticks / 2) | ||
516 | /* check for pending interrupt */ | ||
517 | if (cia_get_irq_mask(IRQ_AMIGA_CIAB) & CIA_ICR_TA) | ||
518 | offset = 10000; | ||
519 | |||
520 | ticks = jiffy_ticks - ticks; | ||
521 | ticks = (10000 * ticks) / jiffy_ticks; | ||
522 | |||
523 | return ticks + offset; | ||
524 | } | ||
525 | |||
526 | static void a3000_gettod (int *yearp, int *monp, int *dayp, | ||
527 | int *hourp, int *minp, int *secp) | ||
528 | { | ||
529 | volatile struct tod3000 *tod = TOD_3000; | ||
530 | |||
531 | tod->cntrl1 = TOD3000_CNTRL1_HOLD; | ||
532 | |||
533 | *secp = tod->second1 * 10 + tod->second2; | ||
534 | *minp = tod->minute1 * 10 + tod->minute2; | ||
535 | *hourp = tod->hour1 * 10 + tod->hour2; | ||
536 | *dayp = tod->day1 * 10 + tod->day2; | ||
537 | *monp = tod->month1 * 10 + tod->month2; | ||
538 | *yearp = tod->year1 * 10 + tod->year2; | ||
539 | |||
540 | tod->cntrl1 = TOD3000_CNTRL1_FREE; | ||
541 | } | ||
542 | |||
543 | static void a2000_gettod (int *yearp, int *monp, int *dayp, | ||
544 | int *hourp, int *minp, int *secp) | ||
545 | { | ||
546 | volatile struct tod2000 *tod = TOD_2000; | ||
547 | |||
548 | tod->cntrl1 = TOD2000_CNTRL1_HOLD; | ||
549 | |||
550 | while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) | ||
551 | ; | ||
552 | |||
553 | *secp = tod->second1 * 10 + tod->second2; | ||
554 | *minp = tod->minute1 * 10 + tod->minute2; | ||
555 | *hourp = (tod->hour1 & 3) * 10 + tod->hour2; | ||
556 | *dayp = tod->day1 * 10 + tod->day2; | ||
557 | *monp = tod->month1 * 10 + tod->month2; | ||
558 | *yearp = tod->year1 * 10 + tod->year2; | ||
559 | |||
560 | if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){ | ||
561 | if (!(tod->hour1 & TOD2000_HOUR1_PM) && *hourp == 12) | ||
562 | *hourp = 0; | ||
563 | else if ((tod->hour1 & TOD2000_HOUR1_PM) && *hourp != 12) | ||
564 | *hourp += 12; | ||
565 | } | ||
566 | |||
567 | tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; | ||
568 | } | ||
569 | |||
570 | static int amiga_hwclk(int op, struct hwclk_time *t) | ||
571 | { | ||
572 | if (AMIGAHW_PRESENT(A3000_CLK)) { | ||
573 | volatile struct tod3000 *tod = TOD_3000; | ||
574 | |||
575 | tod->cntrl1 = TOD3000_CNTRL1_HOLD; | ||
576 | |||
577 | if (!op) { /* read */ | ||
578 | t->sec = tod->second1 * 10 + tod->second2; | ||
579 | t->min = tod->minute1 * 10 + tod->minute2; | ||
580 | t->hour = tod->hour1 * 10 + tod->hour2; | ||
581 | t->day = tod->day1 * 10 + tod->day2; | ||
582 | t->wday = tod->weekday; | ||
583 | t->mon = tod->month1 * 10 + tod->month2 - 1; | ||
584 | t->year = tod->year1 * 10 + tod->year2; | ||
585 | if (t->year <= 69) | ||
586 | t->year += 100; | ||
587 | } else { | ||
588 | tod->second1 = t->sec / 10; | ||
589 | tod->second2 = t->sec % 10; | ||
590 | tod->minute1 = t->min / 10; | ||
591 | tod->minute2 = t->min % 10; | ||
592 | tod->hour1 = t->hour / 10; | ||
593 | tod->hour2 = t->hour % 10; | ||
594 | tod->day1 = t->day / 10; | ||
595 | tod->day2 = t->day % 10; | ||
596 | if (t->wday != -1) | ||
597 | tod->weekday = t->wday; | ||
598 | tod->month1 = (t->mon + 1) / 10; | ||
599 | tod->month2 = (t->mon + 1) % 10; | ||
600 | if (t->year >= 100) | ||
601 | t->year -= 100; | ||
602 | tod->year1 = t->year / 10; | ||
603 | tod->year2 = t->year % 10; | ||
604 | } | ||
605 | |||
606 | tod->cntrl1 = TOD3000_CNTRL1_FREE; | ||
607 | } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { | ||
608 | volatile struct tod2000 *tod = TOD_2000; | ||
609 | |||
610 | tod->cntrl1 = TOD2000_CNTRL1_HOLD; | ||
611 | |||
612 | while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) | ||
613 | ; | ||
614 | |||
615 | if (!op) { /* read */ | ||
616 | t->sec = tod->second1 * 10 + tod->second2; | ||
617 | t->min = tod->minute1 * 10 + tod->minute2; | ||
618 | t->hour = (tod->hour1 & 3) * 10 + tod->hour2; | ||
619 | t->day = tod->day1 * 10 + tod->day2; | ||
620 | t->wday = tod->weekday; | ||
621 | t->mon = tod->month1 * 10 + tod->month2 - 1; | ||
622 | t->year = tod->year1 * 10 + tod->year2; | ||
623 | if (t->year <= 69) | ||
624 | t->year += 100; | ||
625 | |||
626 | if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){ | ||
627 | if (!(tod->hour1 & TOD2000_HOUR1_PM) && t->hour == 12) | ||
628 | t->hour = 0; | ||
629 | else if ((tod->hour1 & TOD2000_HOUR1_PM) && t->hour != 12) | ||
630 | t->hour += 12; | ||
631 | } | ||
632 | } else { | ||
633 | tod->second1 = t->sec / 10; | ||
634 | tod->second2 = t->sec % 10; | ||
635 | tod->minute1 = t->min / 10; | ||
636 | tod->minute2 = t->min % 10; | ||
637 | if (tod->cntrl3 & TOD2000_CNTRL3_24HMODE) | ||
638 | tod->hour1 = t->hour / 10; | ||
639 | else if (t->hour >= 12) | ||
640 | tod->hour1 = TOD2000_HOUR1_PM + | ||
641 | (t->hour - 12) / 10; | ||
642 | else | ||
643 | tod->hour1 = t->hour / 10; | ||
644 | tod->hour2 = t->hour % 10; | ||
645 | tod->day1 = t->day / 10; | ||
646 | tod->day2 = t->day % 10; | ||
647 | if (t->wday != -1) | ||
648 | tod->weekday = t->wday; | ||
649 | tod->month1 = (t->mon + 1) / 10; | ||
650 | tod->month2 = (t->mon + 1) % 10; | ||
651 | if (t->year >= 100) | ||
652 | t->year -= 100; | ||
653 | tod->year1 = t->year / 10; | ||
654 | tod->year2 = t->year % 10; | ||
655 | } | ||
656 | |||
657 | tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; | ||
658 | } | ||
659 | |||
660 | return 0; | ||
661 | } | ||
662 | |||
663 | static int amiga_set_clock_mmss (unsigned long nowtime) | ||
664 | { | ||
665 | short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; | ||
666 | |||
667 | if (AMIGAHW_PRESENT(A3000_CLK)) { | ||
668 | volatile struct tod3000 *tod = TOD_3000; | ||
669 | |||
670 | tod->cntrl1 = TOD3000_CNTRL1_HOLD; | ||
671 | |||
672 | tod->second1 = real_seconds / 10; | ||
673 | tod->second2 = real_seconds % 10; | ||
674 | tod->minute1 = real_minutes / 10; | ||
675 | tod->minute2 = real_minutes % 10; | ||
676 | |||
677 | tod->cntrl1 = TOD3000_CNTRL1_FREE; | ||
678 | } else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ { | ||
679 | volatile struct tod2000 *tod = TOD_2000; | ||
680 | |||
681 | tod->cntrl1 = TOD2000_CNTRL1_HOLD; | ||
682 | |||
683 | while (tod->cntrl1 & TOD2000_CNTRL1_BUSY) | ||
684 | ; | ||
685 | |||
686 | tod->second1 = real_seconds / 10; | ||
687 | tod->second2 = real_seconds % 10; | ||
688 | tod->minute1 = real_minutes / 10; | ||
689 | tod->minute2 = real_minutes % 10; | ||
690 | |||
691 | tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD; | ||
692 | } | ||
693 | |||
694 | return 0; | ||
695 | } | ||
696 | |||
697 | static NORET_TYPE void amiga_reset( void ) | ||
698 | ATTRIB_NORET; | ||
699 | |||
700 | static void amiga_reset (void) | ||
701 | { | ||
702 | for (;;); | ||
703 | } | ||
704 | |||
705 | |||
706 | /* | ||
707 | * Debugging | ||
708 | */ | ||
709 | |||
710 | #define SAVEKMSG_MAXMEM 128*1024 | ||
711 | |||
712 | #define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ | ||
713 | #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ | ||
714 | |||
715 | struct savekmsg { | ||
716 | unsigned long magic1; /* SAVEKMSG_MAGIC1 */ | ||
717 | unsigned long magic2; /* SAVEKMSG_MAGIC2 */ | ||
718 | unsigned long magicptr; /* address of magic1 */ | ||
719 | unsigned long size; | ||
720 | char data[0]; | ||
721 | }; | ||
722 | |||
723 | static struct savekmsg *savekmsg = NULL; | ||
724 | |||
725 | static void amiga_mem_console_write(struct console *co, const char *s, | ||
726 | unsigned int count) | ||
727 | { | ||
728 | if (savekmsg->size+count <= SAVEKMSG_MAXMEM-sizeof(struct savekmsg)) { | ||
729 | memcpy(savekmsg->data+savekmsg->size, s, count); | ||
730 | savekmsg->size += count; | ||
731 | } | ||
732 | } | ||
733 | |||
734 | static void amiga_savekmsg_init(void) | ||
735 | { | ||
736 | static struct resource debug_res = { "Debug" }; | ||
737 | |||
738 | savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); | ||
739 | savekmsg->magic1 = SAVEKMSG_MAGIC1; | ||
740 | savekmsg->magic2 = SAVEKMSG_MAGIC2; | ||
741 | savekmsg->magicptr = virt_to_phys(savekmsg); | ||
742 | savekmsg->size = 0; | ||
743 | } | ||
744 | |||
745 | static void amiga_serial_putc(char c) | ||
746 | { | ||
747 | amiga_custom.serdat = (unsigned char)c | 0x100; | ||
748 | mb(); | ||
749 | while (!(amiga_custom.serdatr & 0x2000)) | ||
750 | ; | ||
751 | } | ||
752 | |||
753 | void amiga_serial_console_write(struct console *co, const char *s, | ||
754 | unsigned int count) | ||
755 | { | ||
756 | #if 0 /* def CONFIG_KGDB */ | ||
757 | /* FIXME:APUS GDB doesn't seem to like O-packages before it is | ||
758 | properly connected with the target. */ | ||
759 | __gdb_output_string (s, count); | ||
760 | #else | ||
761 | while (count--) { | ||
762 | if (*s == '\n') | ||
763 | amiga_serial_putc('\r'); | ||
764 | amiga_serial_putc(*s++); | ||
765 | } | ||
766 | #endif | ||
767 | } | ||
768 | |||
769 | #ifdef CONFIG_SERIAL_CONSOLE | ||
770 | void amiga_serial_puts(const char *s) | ||
771 | { | ||
772 | amiga_serial_console_write(NULL, s, strlen(s)); | ||
773 | } | ||
774 | |||
775 | int amiga_serial_console_wait_key(struct console *co) | ||
776 | { | ||
777 | int ch; | ||
778 | |||
779 | while (!(amiga_custom.intreqr & IF_RBF)) | ||
780 | barrier(); | ||
781 | ch = amiga_custom.serdatr & 0xff; | ||
782 | /* clear the interrupt, so that another character can be read */ | ||
783 | amiga_custom.intreq = IF_RBF; | ||
784 | return ch; | ||
785 | } | ||
786 | |||
787 | void amiga_serial_gets(struct console *co, char *s, int len) | ||
788 | { | ||
789 | int ch, cnt = 0; | ||
790 | |||
791 | while (1) { | ||
792 | ch = amiga_serial_console_wait_key(co); | ||
793 | |||
794 | /* Check for backspace. */ | ||
795 | if (ch == 8 || ch == 127) { | ||
796 | if (cnt == 0) { | ||
797 | amiga_serial_putc('\007'); | ||
798 | continue; | ||
799 | } | ||
800 | cnt--; | ||
801 | amiga_serial_puts("\010 \010"); | ||
802 | continue; | ||
803 | } | ||
804 | |||
805 | /* Check for enter. */ | ||
806 | if (ch == 10 || ch == 13) | ||
807 | break; | ||
808 | |||
809 | /* See if line is too long. */ | ||
810 | if (cnt >= len + 1) { | ||
811 | amiga_serial_putc(7); | ||
812 | cnt--; | ||
813 | continue; | ||
814 | } | ||
815 | |||
816 | /* Store and echo character. */ | ||
817 | s[cnt++] = ch; | ||
818 | amiga_serial_putc(ch); | ||
819 | } | ||
820 | /* Print enter. */ | ||
821 | amiga_serial_puts("\r\n"); | ||
822 | s[cnt] = 0; | ||
823 | } | ||
824 | #endif | ||
825 | |||
826 | static void __init amiga_debug_init(void) | ||
827 | { | ||
828 | if (!strcmp( m68k_debug_device, "ser" )) { | ||
829 | /* no initialization required (?) */ | ||
830 | amiga_console_driver.write = amiga_serial_console_write; | ||
831 | register_console(&amiga_console_driver); | ||
832 | } | ||
833 | } | ||
834 | |||
835 | #ifdef CONFIG_HEARTBEAT | ||
836 | static void amiga_heartbeat(int on) | ||
837 | { | ||
838 | if (on) | ||
839 | ciaa.pra &= ~2; | ||
840 | else | ||
841 | ciaa.pra |= 2; | ||
842 | } | ||
843 | #endif | ||
844 | |||
845 | /* | ||
846 | * Amiga specific parts of /proc | ||
847 | */ | ||
848 | |||
849 | static void amiga_get_model(char *model) | ||
850 | { | ||
851 | strcpy(model, amiga_model_name); | ||
852 | } | ||
853 | |||
854 | |||
855 | static int amiga_get_hardware_list(char *buffer) | ||
856 | { | ||
857 | int len = 0; | ||
858 | |||
859 | if (AMIGAHW_PRESENT(CHIP_RAM)) | ||
860 | len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10); | ||
861 | len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n", | ||
862 | amiga_psfreq, amiga_eclock); | ||
863 | if (AMIGAHW_PRESENT(AMI_VIDEO)) { | ||
864 | char *type; | ||
865 | switch(amiga_chipset) { | ||
866 | case CS_OCS: | ||
867 | type = "OCS"; | ||
868 | break; | ||
869 | case CS_ECS: | ||
870 | type = "ECS"; | ||
871 | break; | ||
872 | case CS_AGA: | ||
873 | type = "AGA"; | ||
874 | break; | ||
875 | default: | ||
876 | type = "Old or Unknown"; | ||
877 | break; | ||
878 | } | ||
879 | len += sprintf(buffer+len, "Graphics:\t%s\n", type); | ||
880 | } | ||
881 | |||
882 | #define AMIGAHW_ANNOUNCE(name, str) \ | ||
883 | if (AMIGAHW_PRESENT(name)) \ | ||
884 | len += sprintf (buffer+len, "\t%s\n", str) | ||
885 | |||
886 | len += sprintf (buffer + len, "Detected hardware:\n"); | ||
887 | |||
888 | AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video"); | ||
889 | AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter"); | ||
890 | AMIGAHW_ANNOUNCE(AMBER_FF, "Amber Flicker Fixer"); | ||
891 | AMIGAHW_ANNOUNCE(AMI_AUDIO, "Amiga Audio"); | ||
892 | AMIGAHW_ANNOUNCE(AMI_FLOPPY, "Floppy Controller"); | ||
893 | AMIGAHW_ANNOUNCE(A3000_SCSI, "SCSI Controller WD33C93 (A3000 style)"); | ||
894 | AMIGAHW_ANNOUNCE(A4000_SCSI, "SCSI Controller NCR53C710 (A4000T style)"); | ||
895 | AMIGAHW_ANNOUNCE(A1200_IDE, "IDE Interface (A1200 style)"); | ||
896 | AMIGAHW_ANNOUNCE(A4000_IDE, "IDE Interface (A4000 style)"); | ||
897 | AMIGAHW_ANNOUNCE(CD_ROM, "Internal CD ROM drive"); | ||
898 | AMIGAHW_ANNOUNCE(AMI_KEYBOARD, "Keyboard"); | ||
899 | AMIGAHW_ANNOUNCE(AMI_MOUSE, "Mouse Port"); | ||
900 | AMIGAHW_ANNOUNCE(AMI_SERIAL, "Serial Port"); | ||
901 | AMIGAHW_ANNOUNCE(AMI_PARALLEL, "Parallel Port"); | ||
902 | AMIGAHW_ANNOUNCE(A2000_CLK, "Hardware Clock (A2000 style)"); | ||
903 | AMIGAHW_ANNOUNCE(A3000_CLK, "Hardware Clock (A3000 style)"); | ||
904 | AMIGAHW_ANNOUNCE(CHIP_RAM, "Chip RAM"); | ||
905 | AMIGAHW_ANNOUNCE(PAULA, "Paula 8364"); | ||
906 | AMIGAHW_ANNOUNCE(DENISE, "Denise 8362"); | ||
907 | AMIGAHW_ANNOUNCE(DENISE_HR, "Denise 8373"); | ||
908 | AMIGAHW_ANNOUNCE(LISA, "Lisa 8375"); | ||
909 | AMIGAHW_ANNOUNCE(AGNUS_PAL, "Normal/Fat PAL Agnus 8367/8371"); | ||
910 | AMIGAHW_ANNOUNCE(AGNUS_NTSC, "Normal/Fat NTSC Agnus 8361/8370"); | ||
911 | AMIGAHW_ANNOUNCE(AGNUS_HR_PAL, "Fat Hires PAL Agnus 8372"); | ||
912 | AMIGAHW_ANNOUNCE(AGNUS_HR_NTSC, "Fat Hires NTSC Agnus 8372"); | ||
913 | AMIGAHW_ANNOUNCE(ALICE_PAL, "PAL Alice 8374"); | ||
914 | AMIGAHW_ANNOUNCE(ALICE_NTSC, "NTSC Alice 8374"); | ||
915 | AMIGAHW_ANNOUNCE(MAGIC_REKICK, "Magic Hard Rekick"); | ||
916 | AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot"); | ||
917 | if (AMIGAHW_PRESENT(ZORRO)) | ||
918 | len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion " | ||
919 | "Device%s\n", | ||
920 | AMIGAHW_PRESENT(ZORRO3) ? "I" : "", | ||
921 | zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); | ||
922 | |||
923 | #undef AMIGAHW_ANNOUNCE | ||
924 | |||
925 | return(len); | ||
926 | } | ||
927 | |||
928 | #ifdef CONFIG_APUS | ||
929 | int get_hardware_list(char *buffer) | ||
930 | { | ||
931 | extern int get_cpuinfo(char *buffer); | ||
932 | int len = 0; | ||
933 | char model[80]; | ||
934 | u_long mem; | ||
935 | int i; | ||
936 | |||
937 | if (mach_get_model) | ||
938 | mach_get_model(model); | ||
939 | else | ||
940 | strcpy(model, "Unknown PowerPC"); | ||
941 | |||
942 | len += sprintf(buffer+len, "Model:\t\t%s\n", model); | ||
943 | len += get_cpuinfo(buffer+len); | ||
944 | for (mem = 0, i = 0; i < m68k_realnum_memory; i++) | ||
945 | mem += m68k_memory[i].size; | ||
946 | len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10); | ||
947 | |||
948 | if (mach_get_hardware_list) | ||
949 | len += mach_get_hardware_list(buffer+len); | ||
950 | |||
951 | return(len); | ||
952 | } | ||
953 | #endif | ||