From: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx> Shift System Controller memory mapping to 0x80000000 Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx> Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx> --- arch/mips/mti-malta/malta-init.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c index fcebfce..deb1d7b 100644 --- a/arch/mips/mti-malta/malta-init.c +++ b/arch/mips/mti-malta/malta-init.c @@ -238,10 +238,23 @@ mips_pci_controller: MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_MEM_SHF | MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_BAR0_SHF); #endif +#ifndef CONFIG_EVA /* Fix up target memory mapping. */ MSC_READ(MSC01_PCI_BAR0, mask); MSC_WRITE(MSC01_PCI_P2SCMSKL, mask & MSC01_PCI_BAR0_SIZE_MSK); +#else + /* + * Setup the Malta max (2GB) memory for PCI DMA in host bridge + * in transparent addressing mode, starting from 0x80000000. + */ + mask = PHYS_OFFSET | (1<<3); + MSC_WRITE(MSC01_PCI_BAR0, mask); + mask = PHYS_OFFSET; + MSC_WRITE(MSC01_PCI_HEAD4, mask); + MSC_WRITE(MSC01_PCI_P2SCMSKL, mask); + MSC_WRITE(MSC01_PCI_P2SCMAPL, mask); +#endif /* Don't handle target retries indefinitely. */ if ((data & MSC01_PCI_CFG_MAXRTRY_MSK) == MSC01_PCI_CFG_MAXRTRY_MSK) -- 1.8.5.3
