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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-04-29 02:18:50 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-16 12:45:22 -0400 |
| commit | 29f6b3d823885093890b1604d8450e7b57a31281 (patch) | |
| tree | ed9f92e732c742a1fc5931372cb58a4adf89f6d4 | |
| parent | 0b2948eeb128e259b7903b12de79d6886d43eb11 (diff) | |
| download | linux-3.10-29f6b3d823885093890b1604d8450e7b57a31281.tar.gz linux-3.10-29f6b3d823885093890b1604d8450e7b57a31281.tar.bz2 linux-3.10-29f6b3d823885093890b1604d8450e7b57a31281.zip | |
bcma: add bcma_core_pci_extend_L1timer
This code is based on code from pcie_extendL1timer() in brcmsmac. This
patch is part of the move of pci specific code from brcmsmac to bcma.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/bcma/driver_pci.c | 16 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_pci.h | 2 |
2 files changed, 16 insertions, 2 deletions
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index 4d38ae179b4..949206674dc 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -24,14 +24,12 @@ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address) return pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_DATA); } -#if 0 static void bcma_pcie_write(struct bcma_drv_pci *pc, u32 address, u32 data) { pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address); pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR); pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data); } -#endif static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy) { @@ -224,3 +222,17 @@ out: return err; } EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl); + +void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend) +{ + u32 w; + + w = bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG); + if (extend) + w |= BCMA_CORE_PCI_ASPMTIMER_EXTEND; + else + w &= ~BCMA_CORE_PCI_ASPMTIMER_EXTEND; + bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w); + bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG); +} +EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer); diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h index 46c71e27d31..20c9f96d407 100644 --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -133,6 +133,7 @@ struct pci_dev; #define BCMA_CORE_PCI_DLLP_LRREG 0x120 /* Link Replay */ #define BCMA_CORE_PCI_DLLP_LACKTOREG 0x124 /* Link Ack Timeout */ #define BCMA_CORE_PCI_DLLP_PMTHRESHREG 0x128 /* Power Management Threshold */ +#define BCMA_CORE_PCI_ASPMTIMER_EXTEND 0x01000000 /* > rev7: enable extend ASPM timer */ #define BCMA_CORE_PCI_DLLP_RTRYWPREG 0x12C /* Retry buffer write ptr */ #define BCMA_CORE_PCI_DLLP_RTRYRPREG 0x130 /* Retry buffer Read ptr */ #define BCMA_CORE_PCI_DLLP_RTRYPPREG 0x134 /* Retry buffer Purged ptr */ @@ -207,6 +208,7 @@ struct bcma_drv_pci { extern void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc); extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable); +extern void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend); extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); |