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-rw-r--r--arch/powerpc/kernel/setup-common.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6088a39edc26..a6d8aebf2bc6 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -294,129 +294,6 @@ struct seq_operations cpuinfo_op = {
294 .show = show_cpuinfo, 294 .show = show_cpuinfo,
295}; 295};
296 296
297#ifdef CONFIG_PPC_MULTIPLATFORM
298static int __init set_preferred_console(void)
299{
300 struct device_node *prom_stdout = NULL;
301 char *name;
302 u32 *spd;
303 int offset = 0;
304
305 DBG(" -> set_preferred_console()\n");
306
307 /* The user has requested a console so this is already set up. */
308 if (strstr(saved_command_line, "console=")) {
309 DBG(" console was specified !\n");
310 return -EBUSY;
311 }
312
313 if (!of_chosen) {
314 DBG(" of_chosen is NULL !\n");
315 return -ENODEV;
316 }
317 /* We are getting a weird phandle from OF ... */
318 /* ... So use the full path instead */
319 name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
320 if (name == NULL) {
321 DBG(" no linux,stdout-path !\n");
322 return -ENODEV;
323 }
324 prom_stdout = of_find_node_by_path(name);
325 if (!prom_stdout) {
326 DBG(" can't find stdout package %s !\n", name);
327 return -ENODEV;
328 }
329 DBG("stdout is %s\n", prom_stdout->full_name);
330
331 name = (char *)get_property(prom_stdout, "name", NULL);
332 if (!name) {
333 DBG(" stdout package has no name !\n");
334 goto not_found;
335 }
336 spd = (u32 *)get_property(prom_stdout, "current-speed", NULL);
337
338 if (0)
339 ;
340#ifdef CONFIG_SERIAL_8250_CONSOLE
341 else if (strcmp(name, "serial") == 0) {
342 int i;
343 u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i);
344 if (i > 8) {
345 switch (reg[1]) {
346 case 0x3f8:
347 offset = 0;
348 break;
349 case 0x2f8:
350 offset = 1;
351 break;
352 case 0x898:
353 offset = 2;
354 break;
355 case 0x890:
356 offset = 3;
357 break;
358 default:
359 /* We dont recognise the serial port */
360 goto not_found;
361 }
362 }
363 }
364#endif /* CONFIG_SERIAL_8250_CONSOLE */
365#ifdef CONFIG_PPC_PSERIES
366 else if (strcmp(name, "vty") == 0) {
367 u32 *reg = (u32 *)get_property(prom_stdout, "reg", NULL);
368 char *compat = (char *)get_property(prom_stdout, "compatible", NULL);
369
370 if (reg && compat && (strcmp(compat, "hvterm-protocol") == 0)) {
371 /* Host Virtual Serial Interface */
372 switch (reg[0]) {
373 case 0x30000000:
374 offset = 0;
375 break;
376 case 0x30000001:
377 offset = 1;
378 break;
379 default:
380 goto not_found;
381 }
382 of_node_put(prom_stdout);
383 DBG("Found hvsi console at offset %d\n", offset);
384 return add_preferred_console("hvsi", offset, NULL);
385 } else {
386 /* pSeries LPAR virtual console */
387 of_node_put(prom_stdout);
388 DBG("Found hvc console\n");
389 return add_preferred_console("hvc", 0, NULL);
390 }
391 }
392#endif /* CONFIG_PPC_PSERIES */
393#ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
394 else if (strcmp(name, "ch-a") == 0)
395 offset = 0;
396 else if (strcmp(name, "ch-b") == 0)
397 offset = 1;
398#endif /* CONFIG_SERIAL_PMACZILOG_CONSOLE */
399 else
400 goto not_found;
401 of_node_put(prom_stdout);
402
403 DBG("Found serial console at ttyS%d\n", offset);
404
405 if (spd) {
406 static char __initdata opt[16];
407 sprintf(opt, "%d", *spd);
408 return add_preferred_console("ttyS", offset, opt);
409 } else
410 return add_preferred_console("ttyS", offset, NULL);
411
412 not_found:
413 DBG("No preferred console found !\n");
414 of_node_put(prom_stdout);
415 return -ENODEV;
416}
417console_initcall(set_preferred_console);
418#endif /* CONFIG_PPC_MULTIPLATFORM */
419
420void __init check_for_initrd(void) 297void __init check_for_initrd(void)
421{ 298{
422#ifdef CONFIG_BLK_DEV_INITRD 299#ifdef CONFIG_BLK_DEV_INITRD