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 = dev_get_addr(dev); #if defined(CONFIG_PCI) && defined(CONFIG_DM_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(dev, &pci_addr, &bar); if (ret) return ret; addr = bar; } #endif if (addr == FDT_ADDR_T_NONE) return -EINVAL; plat->base = addr; plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg-shift", 0); plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "clock-frequency", CONFIG_SYS_NS16550_CLK); if (!plat->clock) { debug("ns16550 clock not defined\n"); return -EINVAL; } return 0; }
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; plat->base = addr; plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg-shift", 1); return 0; }
int ns16550_serial_ofdata_to_platdata(struct udevice *dev) { struct ns16550_platdata *plat = dev->platdata; const u32 port_type = dev_get_driver_data(dev); fdt_addr_t addr; struct clk clk; int err; /* try Processor Local Bus device first */ addr = dev_read_addr(dev); #if defined(CONFIG_PCI) && defined(CONFIG_DM_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(dev), 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(dev), FDT_PCI_SPACE_IO, "reg", &pci_addr); if (ret) return ret; } ret = fdtdec_get_pci_bar32(dev, &pci_addr, &bar); if (ret) return ret; addr = bar; } #endif if (addr == FDT_ADDR_T_NONE) return -EINVAL; #ifdef CONFIG_SYS_NS16550_PORT_MAPPED plat->base = addr; #else plat->base = (unsigned long)map_physmem(addr, 0, MAP_NOCACHE); #endif plat->reg_offset = dev_read_u32_default(dev, "reg-offset", 0); plat->reg_shift = dev_read_u32_default(dev, "reg-shift", 0); err = clk_get_by_index(dev, 0, &clk); if (!err) { err = clk_get_rate(&clk); if (!IS_ERR_VALUE(err)) plat->clock = err; } else if (err != -ENOENT && err != -ENODEV && err != -ENOSYS) { debug("ns16550 failed to get clock\n"); return err; } if (!plat->clock) plat->clock = dev_read_u32_default(dev, "clock-frequency", CONFIG_SYS_NS16550_CLK); if (!plat->clock) { debug("ns16550 clock not defined\n"); return -EINVAL; } plat->fcr = UART_FCR_DEFVAL; if (port_type == PORT_JZ4780) plat->fcr |= UART_FCR_UME; return 0; }