diff options
| author |   Magnus Damm <magnus.damm@gmail.com> | 2008-02-19 21:35:22 +0900 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2009-04-16 16:00:14 +0900 |
| commit | ef339f241b08a16af58897e6288ba200e0c7a8c7 (patch) | |
| tree | 6e9984ccbccc87017c3beb97567002926b5ae549 /arch/sh/include/asm/pci.h | |
| parent | sh: add io_base member to pci_channel (diff) | |
| download | linux-dev-ef339f241b08a16af58897e6288ba200e0c7a8c7.tar.xz linux-dev-ef339f241b08a16af58897e6288ba200e0c7a8c7.zip | |
sh: pci memory range checking code
This patch changes the code to use __is_pci_memory() instead of
is_pci_memaddr(). __is_pci_memory() loops through all the pci
channels on the system to match memory windows.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/pci.h')
| -rw-r--r-- | arch/sh/include/asm/pci.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 84d12ebef084..ccf5c5ff62ff 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. */ |