diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/ns16550.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 28da9dd..d7a3cf6 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -100,7 +100,8 @@ static void ns16550_writeb(NS16550_t port, int offset, int value) unsigned char *addr; offset *= 1 << plat->reg_shift; - addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset; + addr = (unsigned char *)plat->base + offset; + /* * As far as we know it doesn't make sense to support selection of * these options at run-time, so use the existing CONFIG options. @@ -114,7 +115,7 @@ static int ns16550_readb(NS16550_t port, int offset) unsigned char *addr; offset *= 1 << plat->reg_shift; - addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset; + addr = (unsigned char *)plat->base + offset; return serial_in_shift(addr + plat->reg_offset, plat->reg_shift); } @@ -400,7 +401,12 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) 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 = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg-offset", 0); plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset, |