The BrcmSTB PCIe controller needs to remap DMA accesses to it because of the requirements of its interface with the SOC memory controllers.
Signed-off-by: Jim Quinlan <[email protected]> --- drivers/pci/controller/Kconfig | 1 + drivers/pci/controller/pcie-brcmstb.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 8daa621..4394430 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -284,6 +284,7 @@ config PCIE_BRCMSTB depends on OF && PCI_MSI depends on SOC_BRCMSTB default ARCH_BRCMSTB || BMIPS_GENERIC + select ARCH_HAS_PHYS_TO_DMA if ARM64 help Say Y here to enable PCIe host controller support for Broadcom Settop Box SOCs. A Broadcom SOC will may have diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c index a805d87..ae9df8e 100644 --- a/drivers/pci/controller/pcie-brcmstb.c +++ b/drivers/pci/controller/pcie-brcmstb.c @@ -974,6 +974,18 @@ phys_addr_t brcm_dma_to_phys(struct device *dev, dma_addr_t dev_addr) return (phys_addr_t)dev_addr; } +#if defined(CONFIG_ARM64) +dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + return brcm_phys_to_dma(dev, paddr); +} + +phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dev_addr) +{ + return brcm_dma_to_phys(dev, dev_addr); +} +#endif + static int brcm_pcie_add_controller(struct brcm_pcie *pcie) { int i, ret = 0; -- 1.9.0.138.g2de3478
