diff options
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index af5beba..70c9462 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -289,7 +289,38 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) struct ns16550_platdata *plat = dev->platdata; fdt_addr_t addr; + /* try Processor Local Bus device first */ addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg"); +#ifdef CONFIG_PCI + if (addr == FDT_ADDR_T_NONE) { + /* then try pci device */ + struct fdt_pci_addr pci_addr; + u32 bar; + int ret; + + /* we prefer to use a memory-mapped register */ + ret = fdtdec_get_pci_addr(gd->fdt_blob, dev->of_offset, + FDT_PCI_SPACE_MEM32, "reg", + &pci_addr); + if (ret) { + /* try if there is any i/o-mapped register */ + ret = fdtdec_get_pci_addr(gd->fdt_blob, + dev->of_offset, + FDT_PCI_SPACE_IO, + "reg", &pci_addr); + if (ret) + return ret; + } + + ret = fdtdec_get_pci_bar32(gd->fdt_blob, dev->of_offset, + &pci_addr, &bar); + if (ret) + return ret; + + addr = bar; + } +#endif + if (addr == FDT_ADDR_T_NONE) return -EINVAL; |