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| author | Dan Williams <dan.j.williams@intel.com> | 2007-04-29 09:31:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-04-30 15:24:50 +0100 |
| commit | 7dcad376e85b6eff56f29ee21e10e1fe855f1ed7 (patch) | |
| tree | f8934388ee4dbe3bd24cc674089e4d5593c94ab6 /arch/arm/mach-iop13xx | |
| parent | 8903fcce9b91bab6bb98adbb57a4edfc372c8bff (diff) | |
| download | linux-7dcad376e85b6eff56f29ee21e10e1fe855f1ed7.tar.gz linux-7dcad376e85b6eff56f29ee21e10e1fe855f1ed7.tar.bz2 linux-7dcad376e85b6eff56f29ee21e10e1fe855f1ed7.zip | |
[ARM] 4341/1: iop13xx: fix i/o address translation
PCI devices were being programmed with an incorrect base address value.
This patch moves I/O space into a 16-bit addressable region and corrects
the i/o offset.
Much thanks to Martin Michlmayr for tracking this issue and testing
debug patches.
Cc: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-iop13xx')
| -rw-r--r-- | arch/arm/mach-iop13xx/pci.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c index 89ec70ea3187..d907a2aadfe6 100644 --- a/arch/arm/mach-iop13xx/pci.c +++ b/arch/arm/mach-iop13xx/pci.c @@ -1023,7 +1023,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) << IOP13XX_ATUX_PCIXSR_FUNC_NUM; __raw_writel(pcixsr, IOP13XX_ATUX_PCIXSR); - res[0].start = IOP13XX_PCIX_LOWER_IO_PA; + res[0].start = IOP13XX_PCIX_LOWER_IO_PA + IOP13XX_PCIX_IO_BUS_OFFSET; res[0].end = IOP13XX_PCIX_UPPER_IO_PA; res[0].name = "IQ81340 ATUX PCI I/O Space"; res[0].flags = IORESOURCE_IO; @@ -1033,7 +1033,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) res[1].name = "IQ81340 ATUX PCI Memory Space"; res[1].flags = IORESOURCE_MEM; sys->mem_offset = IOP13XX_PCIX_MEM_OFFSET; - sys->io_offset = IOP13XX_PCIX_IO_OFFSET; + sys->io_offset = IOP13XX_PCIX_LOWER_IO_PA; break; case IOP13XX_INIT_ATU_ATUE: /* Note: the function number field in the PCSR is ro */ @@ -1044,7 +1044,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) __raw_writel(pcsr, IOP13XX_ATUE_PCSR); - res[0].start = IOP13XX_PCIE_LOWER_IO_PA; + res[0].start = IOP13XX_PCIE_LOWER_IO_PA + IOP13XX_PCIE_IO_BUS_OFFSET; res[0].end = IOP13XX_PCIE_UPPER_IO_PA; res[0].name = "IQ81340 ATUE PCI I/O Space"; res[0].flags = IORESOURCE_IO; @@ -1054,7 +1054,7 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) res[1].name = "IQ81340 ATUE PCI Memory Space"; res[1].flags = IORESOURCE_MEM; sys->mem_offset = IOP13XX_PCIE_MEM_OFFSET; - sys->io_offset = IOP13XX_PCIE_IO_OFFSET; + sys->io_offset = IOP13XX_PCIE_LOWER_IO_PA; sys->map_irq = iop13xx_pcie_map_irq; break; default: |