src/soc/sifive/fu540/uart.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <stddef.h>
  16 #include <stdint.h>
  17 #include <console/uart.h>
  18 #include <soc/addressmap.h>
  19 #include <soc/clock.h>
  20
  21 uintptr_t uart_platform_base(int idx)
  22 {
  23         if (idx < 2)
  24                 return FU540_UART(idx);
  25         else
  26                 return 0;
  27 }
  28
  29 unsigned int uart_platform_refclk(void)
  30 {
  31         return clock_get_tlclk_khz() * KHz;
  32 }