LXR uboot/arch/sh/cpu/sh4/cpu.c

   1/*
   2 * (C) Copyright 2007
   3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <command.h>
  10#include <netdev.h>
  11#include <asm/processor.h>
  12#include <asm/cache.h>
  13
  14int checkcpu(void)
  15{
  16        puts("CPU: SH4\n");
  17        return 0;
  18}
  19
  20int cpu_init (void)
  21{
  22        return 0;
  23}
  24
  25int cleanup_before_linux (void)
  26{
  27        disable_interrupts();
  28        return 0;
  29}
  30
  31int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  32{
  33        disable_interrupts();
  34        reset_cpu (0);
  35        return 0;
  36}
  37
  38void flush_cache (unsigned long addr, unsigned long size)
  39{
  40        invalidate_dcache_range(addr , addr + size);
  41}
  42
  43void icache_enable (void)
  44{
  45        cache_control(0);
  46}
  47
  48void icache_disable (void)
  49{
  50        cache_control(1);
  51}
  52
  53int icache_status (void)
  54{
  55        return 0;
  56}
  57
  58void dcache_enable (void)
  59{
  60}
  61
  62void dcache_disable (void)
  63{
  64}
  65
  66int dcache_status (void)
  67{
  68        return 0;
  69}
  70
  71int cpu_eth_init(bd_t *bis)
  72{
  73#ifdef CONFIG_SH_ETHER
  74        sh_eth_initialize(bis);
  75#endif
  76        return 0;
  77}
  78