diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/pcie.c')
-rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 42 |
1 files changed, 16 insertions, 26 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index ec544918b12..ef102646ba9 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -26,7 +26,7 @@ static void kirkwood_enable_pcie_clk(const char *port) clk = clk_get_sys("pcie", port); if (IS_ERR(clk)) { - printk(KERN_ERR "PCIE clock %s missing\n", port); + pr_err("PCIE clock %s missing\n", port); return; } clk_prepare_enable(clk); @@ -168,7 +168,7 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) return 0; index = pcie_port_map[nr]; - printk(KERN_INFO "PCI: bus%d uses PCIe port %d\n", sys->busnr, index); + pr_info("PCI: bus%d uses PCIe port %d\n", sys->busnr, index); pp = kzalloc(sizeof(*pp), GFP_KERNEL); if (!pp) @@ -186,7 +186,8 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) case 1: kirkwood_enable_pcie_clk("1"); pcie1_ioresources_init(pp); - pci_ioremap_io(SZ_64K * sys->busnr, KIRKWOOD_PCIE1_IO_PHYS_BASE); + pci_ioremap_io(SZ_64K * sys->busnr, + KIRKWOOD_PCIE1_IO_PHYS_BASE); break; default: panic("PCIe setup: invalid controller %d", index); @@ -207,14 +208,19 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } +/* + * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it + * is operating as a root complex this needs to be switched to + * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on + * the device. Decoding setup is handled by the orion code. + */ static void __devinit rc_pci_fixup(struct pci_dev *dev) { - /* - * Prevent enumeration of root complex. - */ if (dev->bus->parent == NULL && dev->devfn == 0) { int i; + dev->class &= 0xff; + dev->class |= PCI_CLASS_BRIDGE_HOST << 8; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { dev->resource[i].start = 0; dev->resource[i].end = 0; @@ -224,22 +230,6 @@ static void __devinit rc_pci_fixup(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_ANY_ID, rc_pci_fixup); -static struct pci_bus __init * -kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys) -{ - struct pci_bus *bus; - - if (nr < num_pcie_ports) { - bus = pci_scan_root_bus(NULL, sys->busnr, &pcie_ops, sys, - &sys->resources); - } else { - bus = NULL; - BUG(); - } - - return bus; -} - static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -251,19 +241,19 @@ static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci kirkwood_pci __initdata = { .setup = kirkwood_pcie_setup, - .scan = kirkwood_pcie_scan_bus, .map_irq = kirkwood_pcie_map_irq, + .ops = &pcie_ops, }; static void __init add_pcie_port(int index, void __iomem *base) { - printk(KERN_INFO "Kirkwood PCIe port %d: ", index); + pr_info("Kirkwood PCIe port %d: ", index); if (orion_pcie_link_up(base)) { - printk(KERN_INFO "link up\n"); + pr_info("link up\n"); pcie_port_map[num_pcie_ports++] = index; } else - printk(KERN_INFO "link down, ignoring\n"); + pr_info("link down, ignoring\n"); } void __init kirkwood_pcie_init(unsigned int portmask) |