diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/boards/mach-titan/io.c | 2 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci.c | 5 | ||||
| -rw-r--r-- | arch/sh/include/asm/pci.h | 23 | ||||
| -rw-r--r-- | arch/sh/mm/ioremap_32.c | 4 |
4 files changed, 24 insertions, 10 deletions
diff --git a/arch/sh/boards/mach-titan/io.c b/arch/sh/boards/mach-titan/io.c index 4badad4c6f3..053b3ed2ed8 100644 --- a/arch/sh/boards/mach-titan/io.c +++ b/arch/sh/boards/mach-titan/io.c @@ -117,7 +117,7 @@ void titan_outsl(unsigned long port, const void *src, unsigned long count) void __iomem *titan_ioport_map(unsigned long port, unsigned int size) { - if (PXSEG(port) || is_pci_memaddr(port)) + if (PXSEG(port)) return (void __iomem *)port; else if (is_pci_ioaddr(port)) return (void __iomem *)pci_ioaddr(port); diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 29ec16e69af..b9aca547804 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -167,9 +167,8 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) /* * Presently the IORESOURCE_MEM case is a bit special, most * SH7751 style PCI controllers have PCI memory at a fixed - * location in the address space where no remapping is desired - * (typically at 0xfd000000, but is_pci_memaddr() will know - * best). With the IORESOURCE_MEM case more care has to be taken + * location in the address space where no remapping is desired. + * With the IORESOURCE_MEM case more care has to be taken * to inhibit page table mapping for legacy cores, but this is * punted off to __ioremap(). * -- PFM. diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 84d12ebef08..ccf5c5ff62f 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -61,12 +61,8 @@ extern unsigned long PCI_IO_AREA; #define is_pci_ioaddr(port) \ (((port) >= PCIBIOS_MIN_IO) && \ ((port) < (PCIBIOS_MIN_IO + PCI_IO_SIZE))) -#define is_pci_memaddr(port) \ - (((port) >= PCIBIOS_MIN_MEM) && \ - ((port) < (PCIBIOS_MIN_MEM + PCI_MEM_SIZE))) #else #define is_pci_ioaddr(port) (0) -#define is_pci_memaddr(port) (0) #endif struct pci_dev; @@ -127,6 +123,25 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, *strat = PCI_DMA_BURST_INFINITY; *strategy_parameter = ~0UL; } + +static inline int __is_pci_memory(unsigned long phys_addr, unsigned long size) +{ + struct pci_channel *p; + struct resource *res; + + for (p = board_pci_channels; p->init; p++) { + res = p->mem_resource; + if (p->enabled && (phys_addr >= res->start) && + (phys_addr + size) <= (res->end + 1)) + return 1; + } + return 0; +} +#else +static inline int __is_pci_memory(unsigned long phys_addr, unsigned long size) +{ + return 0; +} #endif /* Board-specific fixup routines. */ diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c index 60cc486d2c2..7e04cc8f3b9 100644 --- a/arch/sh/mm/ioremap_32.c +++ b/arch/sh/mm/ioremap_32.c @@ -56,7 +56,7 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, * P1/P2 space, ioremap() will already do the right thing, * and we'll never get this far. */ - if (is_pci_memaddr(phys_addr) && is_pci_memaddr(last_addr)) + if (__is_pci_memory(phys_addr, size)) return (void __iomem *)phys_addr; #if !defined(CONFIG_PMB_FIXED) @@ -121,7 +121,7 @@ void __iounmap(void __iomem *addr) unsigned long seg = PXSEG(vaddr); struct vm_struct *p; - if (seg < P3SEG || vaddr >= P3_ADDR_MAX || is_pci_memaddr(vaddr)) + if (seg < P3SEG || vaddr >= P3_ADDR_MAX || __is_pci_memory(vaddr, 0)) return; #ifdef CONFIG_PMB |