diff options
Diffstat (limited to 'arch/mips/pci')
-rw-r--r-- | arch/mips/pci/fixup-cobalt.c | 61 | ||||
-rw-r--r-- | arch/mips/pci/fixup-lemote2f.c | 2 | ||||
-rw-r--r-- | arch/mips/pci/ops-loongson2.c | 14 | ||||
-rw-r--r-- | arch/mips/pci/ops-pmcmsp.c | 3 | ||||
-rw-r--r-- | arch/mips/pci/ops-titan-ht.c | 1 | ||||
-rw-r--r-- | arch/mips/pci/pci-bcm47xx.c | 1 | ||||
-rw-r--r-- | arch/mips/pci/pci-octeon.c | 6 | ||||
-rw-r--r-- | arch/mips/pci/pci-sb1250.c | 3 | ||||
-rw-r--r-- | arch/mips/pci/pci-yosemite.c | 1 | ||||
-rw-r--r-- | arch/mips/pci/pci.c | 8 |
10 files changed, 83 insertions, 17 deletions
diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c index 9553b14002dd..acacd1407c63 100644 --- a/arch/mips/pci/fixup-cobalt.c +++ b/arch/mips/pci/fixup-cobalt.c @@ -51,6 +51,67 @@ static void qube_raq_galileo_early_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111, qube_raq_galileo_early_fixup); +static void __devinit cobalt_legacy_ide_resource_fixup(struct pci_dev *dev, + struct resource *res) +{ + struct pci_controller *hose = (struct pci_controller *)dev->sysdata; + unsigned long offset = hose->io_offset; + struct resource orig = *res; + + if (!(res->flags & IORESOURCE_IO) || + !(res->flags & IORESOURCE_PCI_FIXED)) + return; + + res->start -= offset; + res->end -= offset; + dev_printk(KERN_DEBUG, &dev->dev, "converted legacy %pR to bus %pR\n", + &orig, res); +} + +static void __devinit cobalt_legacy_ide_fixup(struct pci_dev *dev) +{ + u32 class; + u8 progif; + + /* + * If the IDE controller is in legacy mode, pci_setup_device() fills in + * the resources with the legacy addresses that normally appear on the + * PCI bus, just as if we had read them from a BAR. + * + * However, with the GT-64111, those legacy addresses, e.g., 0x1f0, + * will never appear on the PCI bus because it converts memory accesses + * in the PCI I/O region (which is never at address zero) into I/O port + * accesses with no address translation. + * + * For example, if GT_DEF_PCI0_IO_BASE is 0x10000000, a load or store + * to physical address 0x100001f0 will become a PCI access to I/O port + * 0x100001f0. There's no way to generate an access to I/O port 0x1f0, + * but the VT82C586 IDE controller does respond at 0x100001f0 because + * it only decodes the low 24 bits of the address. + * + * When this quirk runs, the pci_dev resources should contain bus + * addresses, not Linux I/O port numbers, so convert legacy addresses + * like 0x1f0 to bus addresses like 0x100001f0. Later, we'll convert + * them back with pcibios_fixup_bus() or pcibios_bus_to_resource(). + */ + class = dev->class >> 8; + if (class != PCI_CLASS_STORAGE_IDE) + return; + + pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); + if ((progif & 1) == 0) { + cobalt_legacy_ide_resource_fixup(dev, &dev->resource[0]); + cobalt_legacy_ide_resource_fixup(dev, &dev->resource[1]); + } + if ((progif & 4) == 0) { + cobalt_legacy_ide_resource_fixup(dev, &dev->resource[2]); + cobalt_legacy_ide_resource_fixup(dev, &dev->resource[3]); + } +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, + cobalt_legacy_ide_fixup); + static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev) { unsigned short cfgword; diff --git a/arch/mips/pci/fixup-lemote2f.c b/arch/mips/pci/fixup-lemote2f.c index caf2edeb02f0..4b9768d5d729 100644 --- a/arch/mips/pci/fixup-lemote2f.c +++ b/arch/mips/pci/fixup-lemote2f.c @@ -131,7 +131,7 @@ static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev) /* Serial short detect enable */ _rdmsr(USB_MSR_REG(USB_CONFIG), &hi, &lo); - _wrmsr(USB_MSR_REG(USB_CONFIG), (1 << 1) | (1 << 2) | (1 << 3), lo); + _wrmsr(USB_MSR_REG(USB_CONFIG), (1 << 1) | (1 << 3), lo); /* setting the USB2.0 micro frame length */ pci_write_config_dword(pdev, PCI_EHCI_FLADJ_REG, 0x2000); diff --git a/arch/mips/pci/ops-loongson2.c b/arch/mips/pci/ops-loongson2.c index aa5d3da27212..d657ee0bc131 100644 --- a/arch/mips/pci/ops-loongson2.c +++ b/arch/mips/pci/ops-loongson2.c @@ -1,13 +1,11 @@ /* - * fuloong2e specific PCI support. - * * Copyright (C) 1999, 2000, 2004 MIPS Technologies, Inc. * All rights reserved. * Authors: Carsten Langgaard <carstenl@mips.com> * Maciej W. Rozycki <macro@mips.com> * * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin <wuzj@lemote.com> + * Author: Wu Zhangjin <wuzhangjin@gmail.com> * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as @@ -182,15 +180,21 @@ struct pci_ops loongson_pci_ops = { }; #ifdef CONFIG_CS5536 +DEFINE_RAW_SPINLOCK(msr_lock); + void _rdmsr(u32 msr, u32 *hi, u32 *lo) { struct pci_bus bus = { .number = PCI_BUS_CS5536 }; u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + unsigned long flags; + + raw_spin_lock_irqsave(&msr_lock, flags); loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); + raw_spin_unlock_irqrestore(&msr_lock, flags); } EXPORT_SYMBOL(_rdmsr); @@ -200,9 +204,13 @@ void _wrmsr(u32 msr, u32 hi, u32 lo) .number = PCI_BUS_CS5536 }; u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + unsigned long flags; + + raw_spin_lock_irqsave(&msr_lock, flags); loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); + raw_spin_unlock_irqrestore(&msr_lock, flags); } EXPORT_SYMBOL(_wrmsr); #endif diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index 32548b5d68d6..b7c03d80c88c 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -206,7 +206,7 @@ static void pci_proc_init(void) } #endif /* CONFIG_PROC_FS && PCI_COUNTERS */ -DEFINE_SPINLOCK(bpci_lock); +static DEFINE_SPINLOCK(bpci_lock); /***************************************************************************** * @@ -944,6 +944,7 @@ static struct pci_controller msp_pci_controller = { .pci_ops = &msp_pci_ops, .mem_resource = &pci_mem_resource, .mem_offset = 0, + .io_map_base = MSP_PCI_IOSPACE_BASE, .io_resource = &pci_io_resource, .io_offset = 0 }; diff --git a/arch/mips/pci/ops-titan-ht.c b/arch/mips/pci/ops-titan-ht.c index 46c636c27e06..749c1922d420 100644 --- a/arch/mips/pci/ops-titan-ht.c +++ b/arch/mips/pci/ops-titan-ht.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/pci.h> #include <linux/kernel.h> -#include <linux/slab.h> #include <linux/delay.h> #include <asm/io.h> diff --git a/arch/mips/pci/pci-bcm47xx.c b/arch/mips/pci/pci-bcm47xx.c index bea9b6cdfdbf..455f8e50a007 100644 --- a/arch/mips/pci/pci-bcm47xx.c +++ b/arch/mips/pci/pci-bcm47xx.c @@ -57,4 +57,3 @@ int pcibios_plat_dev_init(struct pci_dev *dev) dev->irq = res; return 0; } - diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c index 9cb0c807f564..d248b707eff3 100644 --- a/arch/mips/pci/pci-octeon.c +++ b/arch/mips/pci/pci-octeon.c @@ -209,16 +209,14 @@ const char *octeon_get_pci_interrupts(void) case CVMX_BOARD_TYPE_NAO38: /* This is really the NAC38 */ return "AAAAADABAAAAAAAAAAAAAAAAAAAAAAAA"; - case CVMX_BOARD_TYPE_THUNDER: - return ""; - case CVMX_BOARD_TYPE_EBH3000: - return ""; case CVMX_BOARD_TYPE_EBH3100: case CVMX_BOARD_TYPE_CN3010_EVB_HS5: case CVMX_BOARD_TYPE_CN3005_EVB_HS5: return "AAABAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; case CVMX_BOARD_TYPE_BBGW_REF: return "AABCD"; + case CVMX_BOARD_TYPE_THUNDER: + case CVMX_BOARD_TYPE_EBH3000: default: return ""; } diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c index ada24e6f951f..1711e8e101bc 100644 --- a/arch/mips/pci/pci-sb1250.c +++ b/arch/mips/pci/pci-sb1250.c @@ -37,6 +37,7 @@ #include <linux/mm.h> #include <linux/console.h> #include <linux/tty.h> +#include <linux/vt.h> #include <asm/io.h> @@ -254,7 +255,7 @@ static int __init sb1250_pcibios_init(void) * XXX ehs: Should this happen in PCI Device mode? */ io_map_base = ioremap(A_PHYS_LDTPCI_IO_MATCH_BYTES, 1024 * 1024); - sb1250_controller.io_map_base = io_map_base; + sb1250_controller.io_map_base = (unsigned long)io_map_base; set_io_port_base((unsigned long)io_map_base); #ifdef CONFIG_SIBYTE_HAS_LDT diff --git a/arch/mips/pci/pci-yosemite.c b/arch/mips/pci/pci-yosemite.c index 0357946f30e6..cf5e1a25cb7d 100644 --- a/arch/mips/pci/pci-yosemite.c +++ b/arch/mips/pci/pci-yosemite.c @@ -54,6 +54,7 @@ static int __init pmc_yosemite_setup(void) panic(ioremap_failed); set_io_port_base(io_v_base); + py_controller.io_map_base = io_v_base; TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1); ioport_resource.end = TITAN_IO_SIZE - 1; diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 9a11c2226891..38bc28005b4a 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -49,8 +49,8 @@ static int pci_initialized; * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void -pcibios_align_resource(void *data, struct resource *res, +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; @@ -73,7 +73,7 @@ pcibios_align_resource(void *data, struct resource *res, start = PCIBIOS_MIN_MEM + hose->mem_resource->start; } - res->start = start; + return start; } static void __devinit pcibios_scanbus(struct pci_controller *hose) @@ -251,8 +251,6 @@ static void pcibios_fixup_device_resources(struct pci_dev *dev, for (i = 0; i < PCI_NUM_RESOURCES; i++) { if (!dev->resource[i].start) continue; - if (dev->resource[i].flags & IORESOURCE_PCI_FIXED) - continue; if (dev->resource[i].flags & IORESOURCE_IO) offset = hose->io_offset; else if (dev->resource[i].flags & IORESOURCE_MEM) |