diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/boards/mach-se/7751/pci.c | 9 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci-lib.c | 42 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci-new.c | 23 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci.c | 23 | ||||
| -rw-r--r-- | arch/sh/include/asm/pci.h | 5 |
5 files changed, 49 insertions, 53 deletions
diff --git a/arch/sh/boards/mach-se/7751/pci.c b/arch/sh/boards/mach-se/7751/pci.c index 203b2923fe7..9ec64a416b3 100644 --- a/arch/sh/boards/mach-se/7751/pci.c +++ b/arch/sh/boards/mach-se/7751/pci.c @@ -30,6 +30,9 @@ #define PCIC_WRITE(x,v) writel((v), PCI_REG(x)) #define PCIC_READ(x) readl(PCI_REG(x)) +#define xPCIBIOS_MIN_IO board_pci_channels->io_resource->start +#define xPCIBIOS_MIN_MEM board_pci_channels->mem_resource->start + /* * Description: This function sets up and initializes the pcic, sets * up the BARS, maps the DRAM into the address space etc, etc. @@ -97,12 +100,12 @@ int __init pcibios_init_platform(void) * meaning all calls go straight through... use BUG_ON to * catch erroneous assumption. */ - BUG_ON(PCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE); + BUG_ON(xPCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE); - PCIC_WRITE(SH7751_PCIMBR, PCIBIOS_MIN_MEM); + PCIC_WRITE(SH7751_PCIMBR, xPCIBIOS_MIN_MEM); /* Set IOBR for window containing area specified in pci.h */ - PCIC_WRITE(SH7751_PCIIOBR, (PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK)); + PCIC_WRITE(SH7751_PCIIOBR, (xPCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK)); /* All done, may as well say so... */ printk("SH7751 PCI: Finished initialization of the PCI controller\n"); diff --git a/arch/sh/drivers/pci/pci-lib.c b/arch/sh/drivers/pci/pci-lib.c index 1a43a350d57..8ab1a2d1b48 100644 --- a/arch/sh/drivers/pci/pci-lib.c +++ b/arch/sh/drivers/pci/pci-lib.c @@ -4,6 +4,41 @@ #include <linux/types.h> #include <linux/pci.h> +unsigned long PCIBIOS_MIN_IO = 0x0000; +unsigned long PCIBIOS_MIN_MEM = 0; + +/* + * We need to avoid collisions with `mirrored' VGA ports + * and other strange ISA hardware, so we always want the + * addresses to be allocated in the 0x000-0x0ff region + * modulo 0x400. + */ +void pcibios_align_resource(void *data, struct resource *res, + resource_size_t size, resource_size_t align) +{ + struct pci_dev *dev = data; + struct pci_channel *chan = dev->sysdata; + resource_size_t start = res->start; + + if (res->flags & IORESOURCE_IO) { + if (start < PCIBIOS_MIN_IO + chan->io_resource->start) + start = PCIBIOS_MIN_IO + chan->io_resource->start; + + /* + * Put everything into 0x00-0xff region modulo 0x400. + */ + if (start & 0x300) { + start = (start + 0x3ff) & ~0x3ff; + res->start = start; + } + } else if (res->flags & IORESOURCE_MEM) { + if (start < PCIBIOS_MIN_MEM + chan->mem_resource->start) + start = PCIBIOS_MIN_MEM + chan->mem_resource->start; + } + + res->start = start; +} + int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { @@ -24,3 +59,10 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, vma->vm_end - vma->vm_start, vma->vm_page_prot); } + +#ifdef CONFIG_HOTPLUG +EXPORT_SYMBOL(pcibios_resource_to_bus); +EXPORT_SYMBOL(pcibios_bus_to_resource); +EXPORT_SYMBOL(PCIBIOS_MIN_IO); +EXPORT_SYMBOL(PCIBIOS_MIN_MEM); +#endif diff --git a/arch/sh/drivers/pci/pci-new.c b/arch/sh/drivers/pci/pci-new.c index 097eb881112..4e9251f3d09 100644 --- a/arch/sh/drivers/pci/pci-new.c +++ b/arch/sh/drivers/pci/pci-new.c @@ -129,29 +129,6 @@ pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, res->end = region->end + offset; } -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) - __attribute__ ((weak)); - -/* - * We need to avoid collisions with `mirrored' VGA ports - * and other strange ISA hardware, so we always want the - * addresses to be allocated in the 0x000-0x0ff region - * modulo 0x400. - */ -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; - - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } -} - int pcibios_enable_device(struct pci_dev *dev, int mask) { u16 cmd, old_cmd; diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 6d659cd93c9..f670988e033 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -86,29 +86,6 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, res->end = region->end; } -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) - __attribute__ ((weak)); - -/* - * We need to avoid collisions with `mirrored' VGA ports - * and other strange ISA hardware, so we always want the - * addresses to be allocated in the 0x000-0x0ff region - * modulo 0x400. - */ -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; - - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } -} - int pcibios_enable_device(struct pci_dev *dev, int mask) { u16 cmd, old_cmd; diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 46afd449739..5212bf6dd4b 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -33,10 +33,7 @@ struct pci_channel { */ extern struct pci_channel board_pci_channels[]; -/* ugly as hell, but makes drivers/pci/setup-res.c compile and work */ -#define __PCI_CHAN(bus) ((struct pci_channel *)bus->sysdata) -#define PCIBIOS_MIN_IO __PCI_CHAN(bus)->io_resource->start -#define PCIBIOS_MIN_MEM __PCI_CHAN(bus)->mem_resource->start +extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM; struct pci_dev; |