diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie_dw_mvebu.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/pci/pcie_dw_mvebu.c b/drivers/pci/pcie_dw_mvebu.c index 93e57cf0cf..0490fd3377 100644 --- a/drivers/pci/pcie_dw_mvebu.c +++ b/drivers/pci/pcie_dw_mvebu.c @@ -115,6 +115,7 @@ struct pcie_dw_mvebu { int first_busno; /* IO and MEM PCI regions */ + int region_count; struct pci_region io; struct pci_region mem; }; @@ -267,9 +268,10 @@ static int pcie_dw_mvebu_read_config(const struct udevice *bus, pci_dev_t bdf, debug("(addr,val)=(0x%04x, 0x%08lx)\n", offset, value); *valuep = pci_conv_32_to_size(value, offset, size); - pcie_dw_prog_outbound_atu(pcie, PCIE_ATU_REGION_INDEX0, - PCIE_ATU_TYPE_IO, pcie->io.phys_start, - pcie->io.bus_start, pcie->io.size); + if (pcie->region_count > 1) + pcie_dw_prog_outbound_atu(pcie, PCIE_ATU_REGION_INDEX0, + PCIE_ATU_TYPE_IO, pcie->io.phys_start, + pcie->io.bus_start, pcie->io.size); return 0; } @@ -312,9 +314,10 @@ static int pcie_dw_mvebu_write_config(struct udevice *bus, pci_dev_t bdf, value = pci_conv_size_to_32(old, value, offset, size); writel(value, va_address); - pcie_dw_prog_outbound_atu(pcie, PCIE_ATU_REGION_INDEX0, - PCIE_ATU_TYPE_IO, pcie->io.phys_start, - pcie->io.bus_start, pcie->io.size); + if (pcie->region_count > 1) + pcie_dw_prog_outbound_atu(pcie, PCIE_ATU_REGION_INDEX0, + PCIE_ATU_TYPE_IO, pcie->io.phys_start, + pcie->io.bus_start, pcie->io.size); return 0; } @@ -513,14 +516,24 @@ static int pcie_dw_mvebu_probe(struct udevice *dev) hose->first_busno); } + pcie->region_count = hose->region_count - CONFIG_NR_DRAM_BANKS; + /* Store the IO and MEM windows settings for future use by the ATU */ - pcie->io.phys_start = hose->regions[0].phys_start; /* IO base */ - pcie->io.bus_start = hose->regions[0].bus_start; /* IO_bus_addr */ - pcie->io.size = hose->regions[0].size; /* IO size */ + if (pcie->region_count > 1) { + /* IO base */ + pcie->io.phys_start = hose->regions[0].phys_start; + /* IO_bus_addr */ + pcie->io.bus_start = hose->regions[0].bus_start; + /* IO size */ + pcie->io.size = hose->regions[0].size; + } - pcie->mem.phys_start = hose->regions[1].phys_start; /* MEM base */ - pcie->mem.bus_start = hose->regions[1].bus_start; /* MEM_bus_addr */ - pcie->mem.size = hose->regions[1].size; /* MEM size */ + /* MEM base */ + pcie->mem.phys_start = hose->regions[pcie->region_count - 1].phys_start; + /* MEM_bus_addr */ + pcie->mem.bus_start = hose->regions[pcie->region_count - 1].bus_start; + /* MEM size */ + pcie->mem.size = hose->regions[pcie->region_count - 1].size; pcie_dw_prog_outbound_atu(pcie, PCIE_ATU_REGION_INDEX1, PCIE_ATU_TYPE_MEM, pcie->mem.phys_start, |