Commit 29f6b3d8 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by John W. Linville
Browse files

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: default avatarHauke Mehrtens <hauke@hauke-m.de>
Tested-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0b2948ee
......@@ -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);
......@@ -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);
......
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