arch/mips/xilfpga/init.c

   1 /*
   2  * Xilfpga platform setup
   3  *
   4  * Copyright (C) 2015 Imagination Technologies
   5  * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2, as published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/of_fdt.h>
  13
  14 #include <asm/prom.h>
  15
  16 #define XILFPGA_UART_BASE       0xb0401000
  17
  18 const char *get_system_type(void)
  19 {
  20         return "MIPSfpga";
  21 }
  22
  23 void __init plat_mem_setup(void)
  24 {
  25         __dt_setup_arch(__dtb_start);
  26         strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
  27 }
  28
  29 void __init prom_init(void)
  30 {
  31         setup_8250_early_printk_port(XILFPGA_UART_BASE, 2, 50000);
  32 }
  33
  34 void __init prom_free_prom_memory(void)
  35 {
  36 }
  37
  38 void __init device_tree_init(void)
  39 {
  40         if (!initial_boot_params)
  41                 return;
  42
  43         unflatten_and_copy_device_tree();
  44 }