diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/host/pci-mvebu.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 9236ac0bd17b..b8c95a293f64 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -51,6 +51,7 @@ #define PCIE_CTRL_X1_MODE 0x0001 #define PCIE_STAT_OFF 0x1a04 #define PCIE_STAT_BUS 0xff00 +#define PCIE_STAT_DEV 0x1f0000 #define PCIE_STAT_LINK_DOWN BIT(0) #define PCIE_DEBUG_CTRL 0x1a60 #define PCIE_DEBUG_SOFT_RESET BIT(20) @@ -148,6 +149,16 @@ static void mvebu_pcie_set_local_bus_nr(struct mvebu_pcie_port *port, int nr) writel(stat, port->base + PCIE_STAT_OFF); } +static void mvebu_pcie_set_local_dev_nr(struct mvebu_pcie_port *port, int nr) +{ + u32 stat; + + stat = readl(port->base + PCIE_STAT_OFF); + stat &= ~PCIE_STAT_DEV; + stat |= nr << 16; + writel(stat, port->base + PCIE_STAT_OFF); +} + /* * Setup PCIE BARs and Address Decode Wins: * BAR[0,2] -> disabled, BAR[1] -> covers all DRAM banks @@ -572,8 +583,7 @@ static int mvebu_pcie_wr_conf(struct pci_bus *bus, u32 devfn, /* Access the real PCIe interface */ spin_lock_irqsave(&port->conf_lock, flags); - ret = mvebu_pcie_hw_wr_conf(port, bus, - PCI_DEVFN(1, PCI_FUNC(devfn)), + ret = mvebu_pcie_hw_wr_conf(port, bus, devfn, where, size, val); spin_unlock_irqrestore(&port->conf_lock, flags); @@ -606,8 +616,7 @@ static int mvebu_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, /* Access the real PCIe interface */ spin_lock_irqsave(&port->conf_lock, flags); - ret = mvebu_pcie_hw_rd_conf(port, bus, - PCI_DEVFN(1, PCI_FUNC(devfn)), + ret = mvebu_pcie_hw_rd_conf(port, bus, devfn, where, size, val); spin_unlock_irqrestore(&port->conf_lock, flags); @@ -817,6 +826,8 @@ static int __init mvebu_pcie_probe(struct platform_device *pdev) continue; } + mvebu_pcie_set_local_dev_nr(port, 1); + if (mvebu_pcie_link_up(port)) { port->haslink = 1; dev_info(&pdev->dev, "PCIe%d.%d: link up\n", |