driver_chipcommon.c (d8a382d2662822248a97ce9d670b90e68aefbd3a) driver_chipcommon.c (9d1ac34ec3a67713308ae0883c3359c557f14d17)
1/*
2 * Sonics Silicon Backplane
3 * Broadcom ChipCommon core driver
4 *
5 * Copyright 2005, Broadcom Corporation
6 * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
7 *
8 * Licensed under the GNU/GPL. See COPYING for details.

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

204 maxfreq = chipco_pctl_clockfreqlimit(cc, 1);
205 chipco_write32(cc, SSB_CHIPCO_PLLONDELAY,
206 (maxfreq * 150 + 999999) / 1000000);
207 chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY,
208 (maxfreq * 15 + 999999) / 1000000);
209 }
210}
211
1/*
2 * Sonics Silicon Backplane
3 * Broadcom ChipCommon core driver
4 *
5 * Copyright 2005, Broadcom Corporation
6 * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
7 *
8 * Licensed under the GNU/GPL. See COPYING for details.

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

204 maxfreq = chipco_pctl_clockfreqlimit(cc, 1);
205 chipco_write32(cc, SSB_CHIPCO_PLLONDELAY,
206 (maxfreq * 150 + 999999) / 1000000);
207 chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY,
208 (maxfreq * 15 + 999999) / 1000000);
209 }
210}
211
212/* http://bcm-v4.sipsolutions.net/802.11/PmuFastPwrupDelay */
213static u16 pmu_fast_powerup_delay(struct ssb_chipcommon *cc)
214{
215 struct ssb_bus *bus = cc->dev->bus;
216
217 switch (bus->chip_id) {
218 case 0x4312:
219 case 0x4322:
220 case 0x4328:
221 return 7000;
222 case 0x4325:
223 /* TODO: */
224 default:
225 return 15000;
226 }
227}
228
229/* http://bcm-v4.sipsolutions.net/802.11/ClkctlFastPwrupDelay */
212static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
213{
214 struct ssb_bus *bus = cc->dev->bus;
215 int minfreq;
216 unsigned int tmp;
217 u32 pll_on_delay;
218
219 if (bus->bustype != SSB_BUSTYPE_PCI)
220 return;
230static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
231{
232 struct ssb_bus *bus = cc->dev->bus;
233 int minfreq;
234 unsigned int tmp;
235 u32 pll_on_delay;
236
237 if (bus->bustype != SSB_BUSTYPE_PCI)
238 return;
239
240 if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
241 cc->fast_pwrup_delay = pmu_fast_powerup_delay(cc);
242 return;
243 }
244
221 if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
222 return;
223
224 minfreq = chipco_pctl_clockfreqlimit(cc, 0);
225 pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY);
226 tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq;
227 SSB_WARN_ON(tmp & ~0xFFFF);
228
229 cc->fast_pwrup_delay = tmp;
230}
231
232void ssb_chipcommon_init(struct ssb_chipcommon *cc)
233{
234 if (!cc->dev)
235 return; /* We don't have a ChipCommon */
236 if (cc->dev->id.revision >= 11)
237 cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
245 if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
246 return;
247
248 minfreq = chipco_pctl_clockfreqlimit(cc, 0);
249 pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY);
250 tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq;
251 SSB_WARN_ON(tmp & ~0xFFFF);
252
253 cc->fast_pwrup_delay = tmp;
254}
255
256void ssb_chipcommon_init(struct ssb_chipcommon *cc)
257{
258 if (!cc->dev)
259 return; /* We don't have a ChipCommon */
260 if (cc->dev->id.revision >= 11)
261 cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
262 ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status);
238 ssb_pmu_init(cc);
239 chipco_powercontrol_init(cc);
240 ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
241 calc_fast_powerup_delay(cc);
242}
243
244void ssb_chipco_suspend(struct ssb_chipcommon *cc)
245{

--- 244 unchanged lines hidden --- 		263 ssb_pmu_init(cc);
264 chipco_powercontrol_init(cc);
265 ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
266 calc_fast_powerup_delay(cc);
267}
268
269void ssb_chipco_suspend(struct ssb_chipcommon *cc)
270{

--- 244 unchanged lines hidden ---