diff options
Diffstat (limited to 'drivers/core/fdtaddr.c')
-rw-r--r-- | drivers/core/fdtaddr.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c index 6850003a28..575798fae9 100644 --- a/drivers/core/fdtaddr.c +++ b/drivers/core/fdtaddr.c @@ -190,3 +190,33 @@ void *devfdt_map_physmem(struct udevice *dev, unsigned long size) return map_physmem(addr, size, MAP_NOCACHE); } + +fdt_addr_t devfdt_get_addr_pci(struct udevice *dev) +{ + ulong addr; + + addr = devfdt_get_addr(dev); + if (CONFIG_IS_ENABLED(PCI) && IS_ENABLED(CONFIG_DM_PCI) && + addr == FDT_ADDR_T_NONE) { + struct fdt_pci_addr pci_addr; + u32 bar; + int ret; + + ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_MEM32, + "reg", &pci_addr); + if (ret) { + /* try if there is any i/o-mapped register */ + ret = ofnode_read_pci_addr(dev_ofnode(dev), + FDT_PCI_SPACE_IO, "reg", + &pci_addr); + if (ret) + return FDT_ADDR_T_NONE; + } + ret = fdtdec_get_pci_bar32(dev, &pci_addr, &bar); + if (ret) + return FDT_ADDR_T_NONE; + addr = bar; + } + + return addr; +} |