diff options
Diffstat (limited to 'target/linux/generic')
4 files changed, 1415 insertions, 113 deletions
diff --git a/target/linux/generic/patches-2.6.34/975-ssb_update.patch b/target/linux/generic/patches-2.6.34/975-ssb_update.patch index 245cec18a9..6525a10306 100644 --- a/target/linux/generic/patches-2.6.34/975-ssb_update.patch +++ b/target/linux/generic/patches-2.6.34/975-ssb_update.patch @@ -1,15 +1,380 @@ +--- a/drivers/net/b44.c ++++ b/drivers/net/b44.c +@@ -135,7 +135,6 @@ static void b44_init_rings(struct b44 *) + + static void b44_init_hw(struct b44 *, int); + +-static int dma_desc_align_mask; + static int dma_desc_sync_size; + static int instance; + +@@ -150,9 +149,8 @@ static inline void b44_sync_dma_desc_for + unsigned long offset, + enum dma_data_direction dir) + { +- ssb_dma_sync_single_range_for_device(sdev, dma_base, +- offset & dma_desc_align_mask, +- dma_desc_sync_size, dir); ++ dma_sync_single_for_device(sdev->dma_dev, dma_base + offset, ++ dma_desc_sync_size, dir); + } + + static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev, +@@ -160,9 +158,8 @@ static inline void b44_sync_dma_desc_for + unsigned long offset, + enum dma_data_direction dir) + { +- ssb_dma_sync_single_range_for_cpu(sdev, dma_base, +- offset & dma_desc_align_mask, +- dma_desc_sync_size, dir); ++ dma_sync_single_for_cpu(sdev->dma_dev, dma_base + offset, ++ dma_desc_sync_size, dir); + } + + static inline unsigned long br32(const struct b44 *bp, unsigned long reg) +@@ -608,10 +605,10 @@ static void b44_tx(struct b44 *bp) + + BUG_ON(skb == NULL); + +- ssb_dma_unmap_single(bp->sdev, +- rp->mapping, +- skb->len, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, ++ rp->mapping, ++ skb->len, ++ DMA_TO_DEVICE); + rp->skb = NULL; + dev_kfree_skb_irq(skb); + } +@@ -648,29 +645,29 @@ static int b44_alloc_rx_skb(struct b44 * + if (skb == NULL) + return -ENOMEM; + +- mapping = ssb_dma_map_single(bp->sdev, skb->data, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + + /* Hardware bug work-around, the chip is unable to do PCI DMA + to/from anything above 1GB :-( */ +- if (ssb_dma_mapping_error(bp->sdev, mapping) || ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || + mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { + /* Sigh... */ +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, + RX_PKT_BUF_SZ, DMA_FROM_DEVICE); + dev_kfree_skb_any(skb); + skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); + if (skb == NULL) + return -ENOMEM; +- mapping = ssb_dma_map_single(bp->sdev, skb->data, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || +- mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || ++ mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); + dev_kfree_skb_any(skb); + return -ENOMEM; + } +@@ -745,9 +742,9 @@ static void b44_recycle_rx(struct b44 *b + dest_idx * sizeof(*dest_desc), + DMA_BIDIRECTIONAL); + +- ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_sync_single_for_device(bp->sdev->dma_dev, dest_map->mapping, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + } + + static int b44_rx(struct b44 *bp, int budget) +@@ -767,9 +764,9 @@ static int b44_rx(struct b44 *bp, int bu + struct rx_header *rh; + u16 len; + +- ssb_dma_sync_single_for_cpu(bp->sdev, map, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_sync_single_for_cpu(bp->sdev->dma_dev, map, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + rh = (struct rx_header *) skb->data; + len = le16_to_cpu(rh->len); + if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) || +@@ -801,8 +798,8 @@ static int b44_rx(struct b44 *bp, int bu + skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod); + if (skb_size < 0) + goto drop_it; +- ssb_dma_unmap_single(bp->sdev, map, +- skb_size, DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, map, ++ skb_size, DMA_FROM_DEVICE); + /* Leave out rx_header */ + skb_put(skb, len + RX_PKT_OFFSET); + skb_pull(skb, RX_PKT_OFFSET); +@@ -954,24 +951,24 @@ static netdev_tx_t b44_start_xmit(struct + goto err_out; + } + +- mapping = ssb_dma_map_single(bp->sdev, skb->data, len, DMA_TO_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) { ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, len, DMA_TO_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) { + struct sk_buff *bounce_skb; + + /* Chip can't handle DMA to/from >1GB, use bounce buffer */ +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, len, ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, len, + DMA_TO_DEVICE); + + bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA); + if (!bounce_skb) + goto err_out; + +- mapping = ssb_dma_map_single(bp->sdev, bounce_skb->data, +- len, DMA_TO_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) { +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, ++ mapping = dma_map_single(bp->sdev->dma_dev, bounce_skb->data, ++ len, DMA_TO_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) { ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, + len, DMA_TO_DEVICE); + dev_kfree_skb_any(bounce_skb); + goto err_out; +@@ -1014,8 +1011,6 @@ static netdev_tx_t b44_start_xmit(struct + if (TX_BUFFS_AVAIL(bp) < 1) + netif_stop_queue(dev); + +- dev->trans_start = jiffies; +- + out_unlock: + spin_unlock_irqrestore(&bp->lock, flags); + +@@ -1070,8 +1065,8 @@ static void b44_free_rings(struct b44 *b + + if (rp->skb == NULL) + continue; +- ssb_dma_unmap_single(bp->sdev, rp->mapping, RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, rp->mapping, RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + dev_kfree_skb_any(rp->skb); + rp->skb = NULL; + } +@@ -1082,8 +1077,8 @@ static void b44_free_rings(struct b44 *b + + if (rp->skb == NULL) + continue; +- ssb_dma_unmap_single(bp->sdev, rp->mapping, rp->skb->len, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, rp->mapping, rp->skb->len, ++ DMA_TO_DEVICE); + dev_kfree_skb_any(rp->skb); + rp->skb = NULL; + } +@@ -1105,14 +1100,12 @@ static void b44_init_rings(struct b44 *b + memset(bp->tx_ring, 0, B44_TX_RING_BYTES); + + if (bp->flags & B44_FLAG_RX_RING_HACK) +- ssb_dma_sync_single_for_device(bp->sdev, bp->rx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ dma_sync_single_for_device(bp->sdev->dma_dev, bp->rx_ring_dma, ++ DMA_TABLE_BYTES, DMA_BIDIRECTIONAL); + + if (bp->flags & B44_FLAG_TX_RING_HACK) +- ssb_dma_sync_single_for_device(bp->sdev, bp->tx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ dma_sync_single_for_device(bp->sdev->dma_dev, bp->tx_ring_dma, ++ DMA_TABLE_BYTES, DMA_TO_DEVICE); + + for (i = 0; i < bp->rx_pending; i++) { + if (b44_alloc_rx_skb(bp, -1, i) < 0) +@@ -1132,27 +1125,23 @@ static void b44_free_consistent(struct b + bp->tx_buffers = NULL; + if (bp->rx_ring) { + if (bp->flags & B44_FLAG_RX_RING_HACK) { +- ssb_dma_unmap_single(bp->sdev, bp->rx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ dma_unmap_single(bp->sdev->dma_dev, bp->rx_ring_dma, ++ DMA_TABLE_BYTES, DMA_BIDIRECTIONAL); + kfree(bp->rx_ring); + } else +- ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES, +- bp->rx_ring, bp->rx_ring_dma, +- GFP_KERNEL); ++ dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES, ++ bp->rx_ring, bp->rx_ring_dma); + bp->rx_ring = NULL; + bp->flags &= ~B44_FLAG_RX_RING_HACK; + } + if (bp->tx_ring) { + if (bp->flags & B44_FLAG_TX_RING_HACK) { +- ssb_dma_unmap_single(bp->sdev, bp->tx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, bp->tx_ring_dma, ++ DMA_TABLE_BYTES, DMA_TO_DEVICE); + kfree(bp->tx_ring); + } else +- ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES, +- bp->tx_ring, bp->tx_ring_dma, +- GFP_KERNEL); ++ dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES, ++ bp->tx_ring, bp->tx_ring_dma); + bp->tx_ring = NULL; + bp->flags &= ~B44_FLAG_TX_RING_HACK; + } +@@ -1177,7 +1166,8 @@ static int b44_alloc_consistent(struct b + goto out_err; + + size = DMA_TABLE_BYTES; +- bp->rx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->rx_ring_dma, gfp); ++ bp->rx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size, ++ &bp->rx_ring_dma, gfp); + if (!bp->rx_ring) { + /* Allocation may have failed due to pci_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive +@@ -1189,11 +1179,11 @@ static int b44_alloc_consistent(struct b + if (!rx_ring) + goto out_err; + +- rx_ring_dma = ssb_dma_map_single(bp->sdev, rx_ring, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ rx_ring_dma = dma_map_single(bp->sdev->dma_dev, rx_ring, ++ DMA_TABLE_BYTES, ++ DMA_BIDIRECTIONAL); + +- if (ssb_dma_mapping_error(bp->sdev, rx_ring_dma) || ++ if (dma_mapping_error(bp->sdev->dma_dev, rx_ring_dma) || + rx_ring_dma + size > DMA_BIT_MASK(30)) { + kfree(rx_ring); + goto out_err; +@@ -1204,7 +1194,8 @@ static int b44_alloc_consistent(struct b + bp->flags |= B44_FLAG_RX_RING_HACK; + } + +- bp->tx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->tx_ring_dma, gfp); ++ bp->tx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size, ++ &bp->tx_ring_dma, gfp); + if (!bp->tx_ring) { + /* Allocation may have failed due to ssb_dma_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive +@@ -1216,11 +1207,11 @@ static int b44_alloc_consistent(struct b + if (!tx_ring) + goto out_err; + +- tx_ring_dma = ssb_dma_map_single(bp->sdev, tx_ring, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ tx_ring_dma = dma_map_single(bp->sdev->dma_dev, tx_ring, ++ DMA_TABLE_BYTES, ++ DMA_TO_DEVICE); + +- if (ssb_dma_mapping_error(bp->sdev, tx_ring_dma) || ++ if (dma_mapping_error(bp->sdev->dma_dev, tx_ring_dma) || + tx_ring_dma + size > DMA_BIT_MASK(30)) { + kfree(tx_ring); + goto out_err; +@@ -2178,12 +2169,14 @@ static int __devinit b44_init_one(struct + "Failed to powerup the bus\n"); + goto err_out_free_dev; + } +- err = ssb_dma_set_mask(sdev, DMA_BIT_MASK(30)); +- if (err) { ++ ++ if (dma_set_mask(sdev->dma_dev, DMA_BIT_MASK(30)) || ++ dma_set_coherent_mask(sdev->dma_dev, DMA_BIT_MASK(30))) { + dev_err(sdev->dev, + "Required 30BIT DMA mask unsupported by the system\n"); + goto err_out_powerdown; + } ++ + err = b44_get_invariants(bp); + if (err) { + dev_err(sdev->dev, +@@ -2346,7 +2339,6 @@ static int __init b44_init(void) + int err; + + /* Setup paramaters for syncing RX/TX DMA descriptors */ +- dma_desc_align_mask = ~(dma_desc_align_size - 1); + dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc)); + + err = b44_pci_init(); --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c -@@ -233,6 +233,8 @@ void ssb_chipcommon_init(struct ssb_chip +@@ -209,6 +209,24 @@ static void chipco_powercontrol_init(str + } + } + ++/* 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(stru + + 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; + +@@ -233,6 +257,9 @@ void ssb_chipcommon_init(struct ssb_chip { if (!cc->dev) 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); -@@ -370,6 +372,7 @@ u32 ssb_chipco_gpio_control(struct ssb_c +@@ -370,6 +397,7 @@ u32 ssb_chipco_gpio_control(struct ssb_c { return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); } @@ -17,9 +382,66 @@ u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) { +--- a/drivers/ssb/driver_chipcommon_pmu.c ++++ b/drivers/ssb/driver_chipcommon_pmu.c +@@ -502,9 +502,9 @@ static void ssb_pmu_resources_init(struc + 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 + 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); + } --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c -@@ -834,6 +834,9 @@ int ssb_bus_pcibus_register(struct ssb_b +@@ -486,11 +486,12 @@ static int ssb_devices_register(struct s + #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: + #ifdef CONFIG_SSB_PCMCIAHOST +- sdev->irq = bus->host_pcmcia->irq.AssignedIRQ; ++ sdev->irq = bus->host_pcmcia->irq; + dev->parent = &bus->host_pcmcia->dev; + #endif + break; +@@ -501,6 +502,7 @@ static int ssb_devices_register(struct s + break; + case SSB_BUSTYPE_SSB: + dev->dma_mask = &dev->coherent_dma_mask; ++ sdev->dma_dev = dev; + break; + } + +@@ -834,6 +836,9 @@ int ssb_bus_pcibus_register(struct ssb_b if (!err) { ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on " "PCI device %s\n", dev_name(&host_pci->dev)); @@ -29,6 +451,87 @@ } return err; +@@ -1223,80 +1228,6 @@ u32 ssb_dma_translation(struct ssb_devic + } + 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; --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -168,7 +168,7 @@ err_pci: @@ -40,7 +543,7 @@ /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ #define SPEX16(_outvar, _offset, _mask, _shift) \ out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) -@@ -254,7 +254,7 @@ static int sprom_do_read(struct ssb_bus +@@ -254,7 +254,7 @@ static int sprom_do_read(struct ssb_bus int i; for (i = 0; i < bus->sprom_size; i++) @@ -58,7 +561,7 @@ mmiowb(); msleep(20); } -@@ -621,6 +621,14 @@ static int ssb_pci_sprom_get(struct ssb_ +@@ -621,6 +621,28 @@ static int ssb_pci_sprom_get(struct ssb_ int err = -ENOMEM; u16 *buf; @@ -66,16 +569,30 @@ + ssb_printk(KERN_ERR PFX "No SPROM available!\n"); + return -ENODEV; + } -+ -+ bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ? -+ SSB_SPROM_BASE1 : SSB_SPROM_BASE31; ++ if (bus->chipco.dev) { /* can be unavailible! */ ++ /* ++ * 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) goto out; --- a/drivers/ssb/sprom.c +++ b/drivers/ssb/sprom.c -@@ -176,3 +176,17 @@ const struct ssb_sprom *ssb_get_fallback +@@ -176,3 +176,18 @@ const struct ssb_sprom *ssb_get_fallback { return fallback_sprom; } @@ -88,6 +605,7 @@ + /* this routine differs from specs as we do not access SPROM directly + on PCMCIA */ + if (bus->bustype == SSB_BUSTYPE_PCI && ++ bus->chipco.dev && /* can be unavailible! */ + bus->chipco.dev->id.revision >= 31) + return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM; + @@ -95,6 +613,15 @@ +} --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h +@@ -167,7 +167,7 @@ struct ssb_device { + * is an optimization. */ + const struct ssb_bus_ops *ops; + +- struct device *dev; ++ struct device *dev, *dma_dev; + + struct ssb_bus *bus; + struct ssb_device_id id; @@ -305,6 +305,7 @@ struct ssb_bus { /* ID information about the Chip. */ u16 chip_id; @@ -113,6 +640,177 @@ /* Set a fallback SPROM. * See kdoc at the function definition for complete documentation. */ extern int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom); +@@ -466,14 +470,6 @@ extern u32 ssb_dma_translation(struct ss + #define SSB_DMA_TRANSLATION_MASK 0xC0000000 + #define SSB_DMA_TRANSLATION_SHIFT 30 + +-extern int ssb_dma_set_mask(struct ssb_device *dev, u64 mask); +- +-extern void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size, +- dma_addr_t *dma_handle, gfp_t gfp_flags); +-extern void ssb_dma_free_consistent(struct ssb_device *dev, size_t size, +- void *vaddr, dma_addr_t dma_handle, +- gfp_t gfp_flags); +- + static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev) + { + #ifdef CONFIG_SSB_DEBUG +@@ -482,155 +478,6 @@ static inline void __cold __ssb_dma_not_ + #endif /* DEBUG */ + } + +-static inline int ssb_dma_mapping_error(struct ssb_device *dev, dma_addr_t addr) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- return pci_dma_mapping_error(dev->bus->host_pci, addr); +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- return dma_mapping_error(dev->dev, addr); +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +- return -ENOSYS; +-} +- +-static inline dma_addr_t ssb_dma_map_single(struct ssb_device *dev, void *p, +- size_t size, enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- return pci_map_single(dev->bus->host_pci, p, size, dir); +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- return dma_map_single(dev->dev, p, size, dir); +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +- return 0; +-} +- +-static inline void ssb_dma_unmap_single(struct ssb_device *dev, dma_addr_t dma_addr, +- size_t size, enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_unmap_single(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev, +- dma_addr_t dma_addr, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr, +- size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev, +- dma_addr_t dma_addr, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr, +- size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_for_device(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev, +- dma_addr_t dma_addr, +- unsigned long offset, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- /* Just sync everything. That's all the PCI API can do. */ +- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr, +- offset + size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset, +- size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev, +- dma_addr_t dma_addr, +- unsigned long offset, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- /* Just sync everything. That's all the PCI API can do. */ +- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr, +- offset + size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_range_for_device(dev->dev, dma_addr, offset, +- size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +- + #ifdef CONFIG_SSB_PCIHOST + /* PCI-host wrapper driver */ + extern int ssb_pcihost_register(struct pci_driver *driver); --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -53,6 +53,7 @@ diff --git a/target/linux/generic/patches-2.6.34/976-ssb_add_dma_dev.patch b/target/linux/generic/patches-2.6.34/976-ssb_add_dma_dev.patch deleted file mode 100644 index fd463b4a75..0000000000 --- a/target/linux/generic/patches-2.6.34/976-ssb_add_dma_dev.patch +++ /dev/null @@ -1,52 +0,0 @@ -From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> - -Add dma_dev, a pointer to struct device, to struct ssb_device. We pass it -to the generic DMA API with SSB_BUSTYPE_PCI and SSB_BUSTYPE_SSB. -ssb_devices_register() sets up it properly. - -This is preparation for replacing the ssb bus specific DMA API (ssb_dma_*) -with the generic DMA API. - -Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> -Acked-by: Michael Buesch <mb@bu3sch.de> -Cc: Gary Zambrano <zambrano@broadcom.com> -Cc: Stefano Brivio <stefano.brivio@polimi.it> -Cc: Larry Finger <Larry.Finger@lwfinger.net> -Cc: John W. Linville <linville@tuxdriver.com> -Acked-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Andrew Morton <akpm@linux-foundation.org> ---- - - drivers/ssb/main.c | 2 ++ - include/linux/ssb/ssb.h | 2 +- - 2 files changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/ssb/main.c -+++ b/drivers/ssb/main.c -@@ -486,6 +486,7 @@ static int ssb_devices_register(struct s - #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 s - break; - case SSB_BUSTYPE_SSB: - dev->dma_mask = &dev->coherent_dma_mask; -+ sdev->dma_dev = dev; - break; - } - ---- a/include/linux/ssb/ssb.h -+++ b/include/linux/ssb/ssb.h -@@ -167,7 +167,7 @@ struct ssb_device { - * is an optimization. */ - const struct ssb_bus_ops *ops; - -- struct device *dev; -+ struct device *dev, *dma_dev; - - struct ssb_bus *bus; - struct ssb_device_id id; diff --git a/target/linux/generic/patches-2.6.35/975-ssb_update.patch b/target/linux/generic/patches-2.6.35/975-ssb_update.patch new file mode 100644 index 0000000000..0def7628a1 --- /dev/null +++ b/target/linux/generic/patches-2.6.35/975-ssb_update.patch @@ -0,0 +1,708 @@ +--- a/drivers/net/b44.c ++++ b/drivers/net/b44.c +@@ -135,7 +135,6 @@ static void b44_init_rings(struct b44 *) + + static void b44_init_hw(struct b44 *, int); + +-static int dma_desc_align_mask; + static int dma_desc_sync_size; + static int instance; + +@@ -150,9 +149,8 @@ static inline void b44_sync_dma_desc_for + unsigned long offset, + enum dma_data_direction dir) + { +- ssb_dma_sync_single_range_for_device(sdev, dma_base, +- offset & dma_desc_align_mask, +- dma_desc_sync_size, dir); ++ dma_sync_single_for_device(sdev->dma_dev, dma_base + offset, ++ dma_desc_sync_size, dir); + } + + static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev, +@@ -160,9 +158,8 @@ static inline void b44_sync_dma_desc_for + unsigned long offset, + enum dma_data_direction dir) + { +- ssb_dma_sync_single_range_for_cpu(sdev, dma_base, +- offset & dma_desc_align_mask, +- dma_desc_sync_size, dir); ++ dma_sync_single_for_cpu(sdev->dma_dev, dma_base + offset, ++ dma_desc_sync_size, dir); + } + + static inline unsigned long br32(const struct b44 *bp, unsigned long reg) +@@ -608,10 +605,10 @@ static void b44_tx(struct b44 *bp) + + BUG_ON(skb == NULL); + +- ssb_dma_unmap_single(bp->sdev, +- rp->mapping, +- skb->len, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, ++ rp->mapping, ++ skb->len, ++ DMA_TO_DEVICE); + rp->skb = NULL; + dev_kfree_skb_irq(skb); + } +@@ -648,29 +645,29 @@ static int b44_alloc_rx_skb(struct b44 * + if (skb == NULL) + return -ENOMEM; + +- mapping = ssb_dma_map_single(bp->sdev, skb->data, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + + /* Hardware bug work-around, the chip is unable to do PCI DMA + to/from anything above 1GB :-( */ +- if (ssb_dma_mapping_error(bp->sdev, mapping) || ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || + mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { + /* Sigh... */ +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, + RX_PKT_BUF_SZ, DMA_FROM_DEVICE); + dev_kfree_skb_any(skb); + skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); + if (skb == NULL) + return -ENOMEM; +- mapping = ssb_dma_map_single(bp->sdev, skb->data, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || +- mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || ++ mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) { ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); + dev_kfree_skb_any(skb); + return -ENOMEM; + } +@@ -745,9 +742,9 @@ static void b44_recycle_rx(struct b44 *b + dest_idx * sizeof(*dest_desc), + DMA_BIDIRECTIONAL); + +- ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_sync_single_for_device(bp->sdev->dma_dev, dest_map->mapping, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + } + + static int b44_rx(struct b44 *bp, int budget) +@@ -767,9 +764,9 @@ static int b44_rx(struct b44 *bp, int bu + struct rx_header *rh; + u16 len; + +- ssb_dma_sync_single_for_cpu(bp->sdev, map, +- RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_sync_single_for_cpu(bp->sdev->dma_dev, map, ++ RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + rh = (struct rx_header *) skb->data; + len = le16_to_cpu(rh->len); + if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) || +@@ -801,8 +798,8 @@ static int b44_rx(struct b44 *bp, int bu + skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod); + if (skb_size < 0) + goto drop_it; +- ssb_dma_unmap_single(bp->sdev, map, +- skb_size, DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, map, ++ skb_size, DMA_FROM_DEVICE); + /* Leave out rx_header */ + skb_put(skb, len + RX_PKT_OFFSET); + skb_pull(skb, RX_PKT_OFFSET); +@@ -954,24 +951,24 @@ static netdev_tx_t b44_start_xmit(struct + goto err_out; + } + +- mapping = ssb_dma_map_single(bp->sdev, skb->data, len, DMA_TO_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) { ++ mapping = dma_map_single(bp->sdev->dma_dev, skb->data, len, DMA_TO_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) { + struct sk_buff *bounce_skb; + + /* Chip can't handle DMA to/from >1GB, use bounce buffer */ +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, len, ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, len, + DMA_TO_DEVICE); + + bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA); + if (!bounce_skb) + goto err_out; + +- mapping = ssb_dma_map_single(bp->sdev, bounce_skb->data, +- len, DMA_TO_DEVICE); +- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) { +- if (!ssb_dma_mapping_error(bp->sdev, mapping)) +- ssb_dma_unmap_single(bp->sdev, mapping, ++ mapping = dma_map_single(bp->sdev->dma_dev, bounce_skb->data, ++ len, DMA_TO_DEVICE); ++ if (dma_mapping_error(bp->sdev->dma_dev, mapping) || mapping + len > DMA_BIT_MASK(30)) { ++ if (!dma_mapping_error(bp->sdev->dma_dev, mapping)) ++ dma_unmap_single(bp->sdev->dma_dev, mapping, + len, DMA_TO_DEVICE); + dev_kfree_skb_any(bounce_skb); + goto err_out; +@@ -1068,8 +1065,8 @@ static void b44_free_rings(struct b44 *b + + if (rp->skb == NULL) + continue; +- ssb_dma_unmap_single(bp->sdev, rp->mapping, RX_PKT_BUF_SZ, +- DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, rp->mapping, RX_PKT_BUF_SZ, ++ DMA_FROM_DEVICE); + dev_kfree_skb_any(rp->skb); + rp->skb = NULL; + } +@@ -1080,8 +1077,8 @@ static void b44_free_rings(struct b44 *b + + if (rp->skb == NULL) + continue; +- ssb_dma_unmap_single(bp->sdev, rp->mapping, rp->skb->len, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, rp->mapping, rp->skb->len, ++ DMA_TO_DEVICE); + dev_kfree_skb_any(rp->skb); + rp->skb = NULL; + } +@@ -1103,14 +1100,12 @@ static void b44_init_rings(struct b44 *b + memset(bp->tx_ring, 0, B44_TX_RING_BYTES); + + if (bp->flags & B44_FLAG_RX_RING_HACK) +- ssb_dma_sync_single_for_device(bp->sdev, bp->rx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ dma_sync_single_for_device(bp->sdev->dma_dev, bp->rx_ring_dma, ++ DMA_TABLE_BYTES, DMA_BIDIRECTIONAL); + + if (bp->flags & B44_FLAG_TX_RING_HACK) +- ssb_dma_sync_single_for_device(bp->sdev, bp->tx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ dma_sync_single_for_device(bp->sdev->dma_dev, bp->tx_ring_dma, ++ DMA_TABLE_BYTES, DMA_TO_DEVICE); + + for (i = 0; i < bp->rx_pending; i++) { + if (b44_alloc_rx_skb(bp, -1, i) < 0) +@@ -1130,27 +1125,23 @@ static void b44_free_consistent(struct b + bp->tx_buffers = NULL; + if (bp->rx_ring) { + if (bp->flags & B44_FLAG_RX_RING_HACK) { +- ssb_dma_unmap_single(bp->sdev, bp->rx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ dma_unmap_single(bp->sdev->dma_dev, bp->rx_ring_dma, ++ DMA_TABLE_BYTES, DMA_BIDIRECTIONAL); + kfree(bp->rx_ring); + } else +- ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES, +- bp->rx_ring, bp->rx_ring_dma, +- GFP_KERNEL); ++ dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES, ++ bp->rx_ring, bp->rx_ring_dma); + bp->rx_ring = NULL; + bp->flags &= ~B44_FLAG_RX_RING_HACK; + } + if (bp->tx_ring) { + if (bp->flags & B44_FLAG_TX_RING_HACK) { +- ssb_dma_unmap_single(bp->sdev, bp->tx_ring_dma, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dma_dev, bp->tx_ring_dma, ++ DMA_TABLE_BYTES, DMA_TO_DEVICE); + kfree(bp->tx_ring); + } else +- ssb_dma_free_consistent(bp->sdev, DMA_TABLE_BYTES, +- bp->tx_ring, bp->tx_ring_dma, +- GFP_KERNEL); ++ dma_free_coherent(bp->sdev->dma_dev, DMA_TABLE_BYTES, ++ bp->tx_ring, bp->tx_ring_dma); + bp->tx_ring = NULL; + bp->flags &= ~B44_FLAG_TX_RING_HACK; + } +@@ -1175,7 +1166,8 @@ static int b44_alloc_consistent(struct b + goto out_err; + + size = DMA_TABLE_BYTES; +- bp->rx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->rx_ring_dma, gfp); ++ bp->rx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size, ++ &bp->rx_ring_dma, gfp); + if (!bp->rx_ring) { + /* Allocation may have failed due to pci_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive +@@ -1187,11 +1179,11 @@ static int b44_alloc_consistent(struct b + if (!rx_ring) + goto out_err; + +- rx_ring_dma = ssb_dma_map_single(bp->sdev, rx_ring, +- DMA_TABLE_BYTES, +- DMA_BIDIRECTIONAL); ++ rx_ring_dma = dma_map_single(bp->sdev->dma_dev, rx_ring, ++ DMA_TABLE_BYTES, ++ DMA_BIDIRECTIONAL); + +- if (ssb_dma_mapping_error(bp->sdev, rx_ring_dma) || ++ if (dma_mapping_error(bp->sdev->dma_dev, rx_ring_dma) || + rx_ring_dma + size > DMA_BIT_MASK(30)) { + kfree(rx_ring); + goto out_err; +@@ -1202,7 +1194,8 @@ static int b44_alloc_consistent(struct b + bp->flags |= B44_FLAG_RX_RING_HACK; + } + +- bp->tx_ring = ssb_dma_alloc_consistent(bp->sdev, size, &bp->tx_ring_dma, gfp); ++ bp->tx_ring = dma_alloc_coherent(bp->sdev->dma_dev, size, ++ &bp->tx_ring_dma, gfp); + if (!bp->tx_ring) { + /* Allocation may have failed due to ssb_dma_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive +@@ -1214,11 +1207,11 @@ static int b44_alloc_consistent(struct b + if (!tx_ring) + goto out_err; + +- tx_ring_dma = ssb_dma_map_single(bp->sdev, tx_ring, +- DMA_TABLE_BYTES, +- DMA_TO_DEVICE); ++ tx_ring_dma = dma_map_single(bp->sdev->dma_dev, tx_ring, ++ DMA_TABLE_BYTES, ++ DMA_TO_DEVICE); + +- if (ssb_dma_mapping_error(bp->sdev, tx_ring_dma) || ++ if (dma_mapping_error(bp->sdev->dma_dev, tx_ring_dma) || + tx_ring_dma + size > DMA_BIT_MASK(30)) { + kfree(tx_ring); + goto out_err; +@@ -2176,12 +2169,14 @@ static int __devinit b44_init_one(struct + "Failed to powerup the bus\n"); + goto err_out_free_dev; + } +- err = ssb_dma_set_mask(sdev, DMA_BIT_MASK(30)); +- if (err) { ++ ++ if (dma_set_mask(sdev->dma_dev, DMA_BIT_MASK(30)) || ++ dma_set_coherent_mask(sdev->dma_dev, DMA_BIT_MASK(30))) { + dev_err(sdev->dev, + "Required 30BIT DMA mask unsupported by the system\n"); + goto err_out_powerdown; + } ++ + err = b44_get_invariants(bp); + if (err) { + dev_err(sdev->dev, +@@ -2344,7 +2339,6 @@ static int __init b44_init(void) + int err; + + /* Setup paramaters for syncing RX/TX DMA descriptors */ +- dma_desc_align_mask = ~(dma_desc_align_size - 1); + dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc)); + + err = b44_pci_init(); +--- a/drivers/ssb/driver_chipcommon.c ++++ b/drivers/ssb/driver_chipcommon.c +@@ -209,6 +209,24 @@ static void chipco_powercontrol_init(str + } + } + ++/* 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(stru + + 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_chip + 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); +--- a/drivers/ssb/driver_chipcommon_pmu.c ++++ b/drivers/ssb/driver_chipcommon_pmu.c +@@ -502,9 +502,9 @@ static void ssb_pmu_resources_init(struc + 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 + 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); + } +--- a/drivers/ssb/main.c ++++ b/drivers/ssb/main.c +@@ -486,6 +486,7 @@ static int ssb_devices_register(struct s + #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 s + 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_devic + } + 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; +--- a/drivers/ssb/pci.c ++++ b/drivers/ssb/pci.c +@@ -626,11 +626,22 @@ static int ssb_pci_sprom_get(struct ssb_ + 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) +--- a/include/linux/ssb/ssb.h ++++ b/include/linux/ssb/ssb.h +@@ -167,7 +167,7 @@ struct ssb_device { + * is an optimization. */ + const struct ssb_bus_ops *ops; + +- struct device *dev; ++ struct device *dev, *dma_dev; + + struct ssb_bus *bus; + struct ssb_device_id id; +@@ -470,14 +470,6 @@ extern u32 ssb_dma_translation(struct ss + #define SSB_DMA_TRANSLATION_MASK 0xC0000000 + #define SSB_DMA_TRANSLATION_SHIFT 30 + +-extern int ssb_dma_set_mask(struct ssb_device *dev, u64 mask); +- +-extern void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size, +- dma_addr_t *dma_handle, gfp_t gfp_flags); +-extern void ssb_dma_free_consistent(struct ssb_device *dev, size_t size, +- void *vaddr, dma_addr_t dma_handle, +- gfp_t gfp_flags); +- + static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev) + { + #ifdef CONFIG_SSB_DEBUG +@@ -486,155 +478,6 @@ static inline void __cold __ssb_dma_not_ + #endif /* DEBUG */ + } + +-static inline int ssb_dma_mapping_error(struct ssb_device *dev, dma_addr_t addr) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- return pci_dma_mapping_error(dev->bus->host_pci, addr); +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- return dma_mapping_error(dev->dev, addr); +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +- return -ENOSYS; +-} +- +-static inline dma_addr_t ssb_dma_map_single(struct ssb_device *dev, void *p, +- size_t size, enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- return pci_map_single(dev->bus->host_pci, p, size, dir); +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- return dma_map_single(dev->dev, p, size, dir); +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +- return 0; +-} +- +-static inline void ssb_dma_unmap_single(struct ssb_device *dev, dma_addr_t dma_addr, +- size_t size, enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_unmap_single(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev, +- dma_addr_t dma_addr, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr, +- size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev, +- dma_addr_t dma_addr, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr, +- size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_for_device(dev->dev, dma_addr, size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev, +- dma_addr_t dma_addr, +- unsigned long offset, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- /* Just sync everything. That's all the PCI API can do. */ +- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr, +- offset + size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset, +- size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +-static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev, +- dma_addr_t dma_addr, +- unsigned long offset, +- size_t size, +- enum dma_data_direction dir) +-{ +- switch (dev->bus->bustype) { +- case SSB_BUSTYPE_PCI: +-#ifdef CONFIG_SSB_PCIHOST +- /* Just sync everything. That's all the PCI API can do. */ +- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr, +- offset + size, dir); +- return; +-#endif +- break; +- case SSB_BUSTYPE_SSB: +- dma_sync_single_range_for_device(dev->dev, dma_addr, offset, +- size, dir); +- return; +- default: +- break; +- } +- __ssb_dma_not_implemented(dev); +-} +- +- + #ifdef CONFIG_SSB_PCIHOST + /* PCI-host wrapper driver */ + extern int ssb_pcihost_register(struct pci_driver *driver); diff --git a/target/linux/generic/patches-2.6.35/976-ssb_add_dma_dev.patch b/target/linux/generic/patches-2.6.35/976-ssb_add_dma_dev.patch deleted file mode 100644 index fd463b4a75..0000000000 --- a/target/linux/generic/patches-2.6.35/976-ssb_add_dma_dev.patch +++ /dev/null @@ -1,52 +0,0 @@ -From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> - -Add dma_dev, a pointer to struct device, to struct ssb_device. We pass it -to the generic DMA API with SSB_BUSTYPE_PCI and SSB_BUSTYPE_SSB. -ssb_devices_register() sets up it properly. - -This is preparation for replacing the ssb bus specific DMA API (ssb_dma_*) -with the generic DMA API. - -Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> -Acked-by: Michael Buesch <mb@bu3sch.de> -Cc: Gary Zambrano <zambrano@broadcom.com> -Cc: Stefano Brivio <stefano.brivio@polimi.it> -Cc: Larry Finger <Larry.Finger@lwfinger.net> -Cc: John W. Linville <linville@tuxdriver.com> -Acked-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Andrew Morton <akpm@linux-foundation.org> ---- - - drivers/ssb/main.c | 2 ++ - include/linux/ssb/ssb.h | 2 +- - 2 files changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/ssb/main.c -+++ b/drivers/ssb/main.c -@@ -486,6 +486,7 @@ static int ssb_devices_register(struct s - #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 s - break; - case SSB_BUSTYPE_SSB: - dev->dma_mask = &dev->coherent_dma_mask; -+ sdev->dma_dev = dev; - break; - } - ---- a/include/linux/ssb/ssb.h -+++ b/include/linux/ssb/ssb.h -@@ -167,7 +167,7 @@ struct ssb_device { - * is an optimization. */ - const struct ssb_bus_ops *ops; - -- struct device *dev; -+ struct device *dev, *dma_dev; - - struct ssb_bus *bus; - struct ssb_device_id id; |