diff options
Diffstat (limited to 'drivers/bcma/host_pci.c')
| -rw-r--r-- | drivers/bcma/host_pci.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 471a04013fe..ac4bc626c14 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -65,6 +65,54 @@ static void bcma_host_pci_write32(struct bcma_device *core, u16 offset, iowrite32(value, core->bus->mmio + offset); } +#ifdef CONFIG_BCMA_BLOCKIO +void bcma_host_pci_block_read(struct bcma_device *core, void *buffer, + size_t count, u16 offset, u8 reg_width) +{ + void __iomem *addr = core->bus->mmio + offset; + if (core->bus->mapped_core != core) + bcma_host_pci_switch_core(core); + switch (reg_width) { + case sizeof(u8): + ioread8_rep(addr, buffer, count); + break; + case sizeof(u16): + WARN_ON(count & 1); + ioread16_rep(addr, buffer, count >> 1); + break; + case sizeof(u32): + WARN_ON(count & 3); + ioread32_rep(addr, buffer, count >> 2); + break; + default: + WARN_ON(1); + } +} + +void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer, + size_t count, u16 offset, u8 reg_width) +{ + void __iomem *addr = core->bus->mmio + offset; + if (core->bus->mapped_core != core) + bcma_host_pci_switch_core(core); + switch (reg_width) { + case sizeof(u8): + iowrite8_rep(addr, buffer, count); + break; + case sizeof(u16): + WARN_ON(count & 1); + iowrite16_rep(addr, buffer, count >> 1); + break; + case sizeof(u32): + WARN_ON(count & 3); + iowrite32_rep(addr, buffer, count >> 2); + break; + default: + WARN_ON(1); + } +} +#endif + static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset) { if (core->bus->mapped_core != core) @@ -87,6 +135,10 @@ const struct bcma_host_ops bcma_host_pci_ops = { .write8 = bcma_host_pci_write8, .write16 = bcma_host_pci_write16, .write32 = bcma_host_pci_write32, +#ifdef CONFIG_BCMA_BLOCKIO + .block_read = bcma_host_pci_block_read, + .block_write = bcma_host_pci_block_write, +#endif .aread32 = bcma_host_pci_aread32, .awrite32 = bcma_host_pci_awrite32, }; @@ -175,6 +227,7 @@ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, { 0, }, }; |