setup.c (140cd7fb04a4a2bc09a30980bc8104cc89e09330) setup.c (8eb8ac89a364305d05ad16be983b7890eb462cc3)
1/*
2 * PowerNV setup code.
3 *
4 * Copyright 2011 IBM Corp.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

--- 274 unchanged lines hidden (view full) ---

283 ppc_md.set_rtc_time = rtas_set_rtc_time;
284 }
285 ppc_md.restart = rtas_restart;
286 pm_power_off = rtas_power_off;
287 ppc_md.halt = rtas_halt;
288}
289#endif /* CONFIG_PPC_POWERNV_RTAS */
290
1/*
2 * PowerNV setup code.
3 *
4 * Copyright 2011 IBM Corp.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

--- 274 unchanged lines hidden (view full) ---

283 ppc_md.set_rtc_time = rtas_set_rtc_time;
284 }
285 ppc_md.restart = rtas_restart;
286 pm_power_off = rtas_power_off;
287 ppc_md.halt = rtas_halt;
288}
289#endif /* CONFIG_PPC_POWERNV_RTAS */
290
291static u32 supported_cpuidle_states;
292
293u32 pnv_get_supported_cpuidle_states(void)
294{
295 return supported_cpuidle_states;
296}
297
298static int __init pnv_init_idle_states(void)
299{
300 struct device_node *power_mgt;
301 int dt_idle_states;
302 const __be32 *idle_state_flags;
303 u32 len_flags, flags;
304 int i;
305
306 supported_cpuidle_states = 0;
307
308 if (cpuidle_disable != IDLE_NO_OVERRIDE)
309 return 0;
310
311 if (!firmware_has_feature(FW_FEATURE_OPALv3))
312 return 0;
313
314 power_mgt = of_find_node_by_path("/ibm,opal/power-mgt");
315 if (!power_mgt) {
316 pr_warn("opal: PowerMgmt Node not found\n");
317 return 0;
318 }
319
320 idle_state_flags = of_get_property(power_mgt,
321 "ibm,cpu-idle-state-flags", &len_flags);
322 if (!idle_state_flags) {
323 pr_warn("DT-PowerMgmt: missing ibm,cpu-idle-state-flags\n");
324 return 0;
325 }
326
327 dt_idle_states = len_flags / sizeof(u32);
328
329 for (i = 0; i < dt_idle_states; i++) {
330 flags = be32_to_cpu(idle_state_flags[i]);
331 supported_cpuidle_states |= flags;
332 }
333
334 return 0;
335}
336
337subsys_initcall(pnv_init_idle_states);
338
339
291static int __init pnv_probe(void)
292{
293 unsigned long root = of_get_flat_dt_root();
294
295 if (!of_flat_dt_is_compatible(root, "ibm,powernv"))
296 return 0;
297
298 hpte_init_native();

--- 53 unchanged lines hidden --- 		340static int __init pnv_probe(void)
341{
342 unsigned long root = of_get_flat_dt_root();
343
344 if (!of_flat_dt_is_compatible(root, "ibm,powernv"))
345 return 0;
346
347 hpte_init_native();

--- 53 unchanged lines hidden ---