diff options
Diffstat (limited to 'drivers/ssb')
-rw-r--r-- | drivers/ssb/driver_chipcommon.c | 25 | ||||
-rw-r--r-- | drivers/ssb/driver_chipcommon_pmu.c | 17 | ||||
-rw-r--r-- | drivers/ssb/main.c | 76 | ||||
-rw-r--r-- | drivers/ssb/pci.c | 15 |
4 files changed, 47 insertions, 86 deletions
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 59ae76bace1..7c031fdc820 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -209,6 +209,24 @@ static void chipco_powercontrol_init(struct ssb_chipcommon *cc) } } +/* http://bcm-v4.sipsolutions.net/802.11/PmuFastPwrupDelay */ +static u16 pmu_fast_powerup_delay(struct ssb_chipcommon *cc) +{ + struct ssb_bus *bus = cc->dev->bus; + + switch (bus->chip_id) { + case 0x4312: + case 0x4322: + case 0x4328: + return 7000; + case 0x4325: + /* TODO: */ + default: + return 15000; + } +} + +/* http://bcm-v4.sipsolutions.net/802.11/ClkctlFastPwrupDelay */ static void calc_fast_powerup_delay(struct ssb_chipcommon *cc) { struct ssb_bus *bus = cc->dev->bus; @@ -218,6 +236,12 @@ static void calc_fast_powerup_delay(struct ssb_chipcommon *cc) if (bus->bustype != SSB_BUSTYPE_PCI) return; + + if (cc->capabilities & SSB_CHIPCO_CAP_PMU) { + cc->fast_pwrup_delay = pmu_fast_powerup_delay(cc); + return; + } + if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) return; @@ -235,6 +259,7 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc) return; /* We don't have a ChipCommon */ if (cc->dev->id.revision >= 11) cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT); + ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status); ssb_pmu_init(cc); chipco_powercontrol_init(cc); ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c index 3d551245a4e..5732bb2c357 100644 --- a/drivers/ssb/driver_chipcommon_pmu.c +++ b/drivers/ssb/driver_chipcommon_pmu.c @@ -502,9 +502,9 @@ static void ssb_pmu_resources_init(struct ssb_chipcommon *cc) chipco_write32(cc, SSB_CHIPCO_PMU_MAXRES_MSK, max_msk); } +/* http://bcm-v4.sipsolutions.net/802.11/SSB/PmuInit */ void ssb_pmu_init(struct ssb_chipcommon *cc) { - struct ssb_bus *bus = cc->dev->bus; u32 pmucap; if (!(cc->capabilities & SSB_CHIPCO_CAP_PMU)) @@ -516,15 +516,12 @@ void ssb_pmu_init(struct ssb_chipcommon *cc) ssb_dprintk(KERN_DEBUG PFX "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev, pmucap); - if (cc->pmu.rev >= 1) { - if ((bus->chip_id == 0x4325) && (bus->chip_rev < 2)) { - chipco_mask32(cc, SSB_CHIPCO_PMU_CTL, - ~SSB_CHIPCO_PMU_CTL_NOILPONW); - } else { - chipco_set32(cc, SSB_CHIPCO_PMU_CTL, - SSB_CHIPCO_PMU_CTL_NOILPONW); - } - } + if (cc->pmu.rev == 1) + chipco_mask32(cc, SSB_CHIPCO_PMU_CTL, + ~SSB_CHIPCO_PMU_CTL_NOILPONW); + else + chipco_set32(cc, SSB_CHIPCO_PMU_CTL, + SSB_CHIPCO_PMU_CTL_NOILPONW); ssb_pmu_pll_init(cc); ssb_pmu_resources_init(cc); } diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 51275aac5b3..7cee7f4eb60 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -486,6 +486,7 @@ static int ssb_devices_register(struct ssb_bus *bus) #ifdef CONFIG_SSB_PCIHOST sdev->irq = bus->host_pci->irq; dev->parent = &bus->host_pci->dev; + sdev->dma_dev = dev->parent; #endif break; case SSB_BUSTYPE_PCMCIA: @@ -501,6 +502,7 @@ static int ssb_devices_register(struct ssb_bus *bus) break; case SSB_BUSTYPE_SSB: dev->dma_mask = &dev->coherent_dma_mask; + sdev->dma_dev = dev; break; } @@ -1226,80 +1228,6 @@ u32 ssb_dma_translation(struct ssb_device *dev) } EXPORT_SYMBOL(ssb_dma_translation); -int ssb_dma_set_mask(struct ssb_device *dev, u64 mask) -{ -#ifdef CONFIG_SSB_PCIHOST - int err; -#endif - - switch (dev->bus->bustype) { - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - err = pci_set_dma_mask(dev->bus->host_pci, mask); - if (err) - return err; - err = pci_set_consistent_dma_mask(dev->bus->host_pci, mask); - return err; -#endif - case SSB_BUSTYPE_SSB: - return dma_set_mask(dev->dev, mask); - default: - __ssb_dma_not_implemented(dev); - } - return -ENOSYS; -} -EXPORT_SYMBOL(ssb_dma_set_mask); - -void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp_flags) -{ - switch (dev->bus->bustype) { - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - if (gfp_flags & GFP_DMA) { - /* Workaround: The PCI API does not support passing - * a GFP flag. */ - return dma_alloc_coherent(&dev->bus->host_pci->dev, - size, dma_handle, gfp_flags); - } - return pci_alloc_consistent(dev->bus->host_pci, size, dma_handle); -#endif - case SSB_BUSTYPE_SSB: - return dma_alloc_coherent(dev->dev, size, dma_handle, gfp_flags); - default: - __ssb_dma_not_implemented(dev); - } - return NULL; -} -EXPORT_SYMBOL(ssb_dma_alloc_consistent); - -void ssb_dma_free_consistent(struct ssb_device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle, - gfp_t gfp_flags) -{ - switch (dev->bus->bustype) { - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - if (gfp_flags & GFP_DMA) { - /* Workaround: The PCI API does not support passing - * a GFP flag. */ - dma_free_coherent(&dev->bus->host_pci->dev, - size, vaddr, dma_handle); - return; - } - pci_free_consistent(dev->bus->host_pci, size, - vaddr, dma_handle); - return; -#endif - case SSB_BUSTYPE_SSB: - dma_free_coherent(dev->dev, size, vaddr, dma_handle); - return; - default: - __ssb_dma_not_implemented(dev); - } -} -EXPORT_SYMBOL(ssb_dma_free_consistent); - int ssb_bus_may_powerdown(struct ssb_bus *bus) { struct ssb_chipcommon *cc; diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index 6dcda86be6e..6e88d2b603b 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -626,11 +626,22 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, return -ENODEV; } if (bus->chipco.dev) { /* can be unavailible! */ - bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ? - SSB_SPROM_BASE1 : SSB_SPROM_BASE31; + /* + * get SPROM offset: SSB_SPROM_BASE1 except for + * chipcommon rev >= 31 or chip ID is 0x4312 and + * chipcommon status & 3 == 2 + */ + if (bus->chipco.dev->id.revision >= 31) + bus->sprom_offset = SSB_SPROM_BASE31; + else if (bus->chip_id == 0x4312 && + (bus->chipco.status & 0x03) == 2) + bus->sprom_offset = SSB_SPROM_BASE31; + else + bus->sprom_offset = SSB_SPROM_BASE1; } else { bus->sprom_offset = SSB_SPROM_BASE1; } + ssb_dprintk(KERN_INFO PFX "SPROM offset is 0x%x\n", bus->sprom_offset); buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL); if (!buf) |