diff options
Diffstat (limited to 'arch/mips/cavium-octeon/dma-octeon.c')
| -rw-r--r-- | arch/mips/cavium-octeon/dma-octeon.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index ea4febaa4bb1..b6bb92c16a47 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -61,6 +61,16 @@ static phys_addr_t octeon_gen1_dma_to_phys(struct device *dev, dma_addr_t daddr) return daddr; } +static dma_addr_t octeon_gen2_phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + return octeon_hole_phys_to_dma(paddr); +} + +static phys_addr_t octeon_gen2_dma_to_phys(struct device *dev, dma_addr_t daddr) +{ + return octeon_hole_dma_to_phys(daddr); +} + static dma_addr_t octeon_big_phys_to_dma(struct device *dev, phys_addr_t paddr) { if (paddr >= 0x410000000ull && paddr < 0x420000000ull) @@ -262,11 +272,11 @@ void __init plat_swiotlb_setup(void) for (i = 0 ; i < boot_mem_map.nr_map; i++) { struct boot_mem_map_entry *e = &boot_mem_map.map[i]; - if (e->type != BOOT_MEM_RAM) + if (e->type != BOOT_MEM_RAM && e->type != BOOT_MEM_INIT_RAM) continue; /* These addresses map low for PCI. */ - if (e->addr > 0x410000000ull) + if (e->addr > 0x410000000ull && !OCTEON_IS_MODEL(OCTEON_CN6XXX)) continue; addr_size += e->size; @@ -296,6 +306,11 @@ void __init plat_swiotlb_setup(void) swiotlbsize = 64 * (1<<20); } #endif +#ifdef CONFIG_USB_OCTEON_OHCI + /* OCTEON II ohci is only 32-bit. */ + if (OCTEON_IS_MODEL(OCTEON_CN6XXX) && max_addr >= 0x100000000ul) + swiotlbsize = 64 * (1<<20); +#endif swiotlb_nslabs = swiotlbsize >> IO_TLB_SHIFT; swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE); swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; @@ -330,6 +345,10 @@ struct dma_map_ops *octeon_pci_dma_map_ops; void __init octeon_pci_dma_init(void) { switch (octeon_dma_bar_type) { + case OCTEON_DMA_BAR_TYPE_PCIE2: + _octeon_pci_dma_map_ops.phys_to_dma = octeon_gen2_phys_to_dma; + _octeon_pci_dma_map_ops.dma_to_phys = octeon_gen2_dma_to_phys; + break; case OCTEON_DMA_BAR_TYPE_PCIE: _octeon_pci_dma_map_ops.phys_to_dma = octeon_gen1_phys_to_dma; _octeon_pci_dma_map_ops.dma_to_phys = octeon_gen1_dma_to_phys; |