arch/m68k/cpu/mcf5445x/cpu.c

   1 /*
   2  *
   3  * (C) Copyright 2000-2003
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  *
   6  * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
   7  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <watchdog.h>
  14 #include <command.h>
  15 #include <netdev.h>
  16
  17 #include <asm/immap.h>
  18 #include <asm/io.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  23 {
  24         rcm_t *rcm = (rcm_t *) (MMAP_RCM);
  25         udelay(1000);
  26         out_8(&rcm->rcr, RCM_RCR_FRCRSTOUT);
  27         udelay(10000);
  28         setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
  29
  30         /* we don't return! */
  31         return 0;
  32 };
  33
  34 #if defined(CONFIG_DISPLAY_CPUINFO)
  35 int print_cpuinfo(void)
  36 {
  37         ccm_t *ccm = (ccm_t *) MMAP_CCM;
  38         u16 msk;
  39         u16 id = 0;
  40         u8 ver;
  41
  42         puts("CPU:   ");
  43         msk = (in_be16(&ccm->cir) >> 6);
  44         ver = (in_be16(&ccm->cir) & 0x003f);
  45         switch (msk) {
  46         case 0x48:
  47                 id = 54455;
  48                 break;
  49         case 0x49:
  50                 id = 54454;
  51                 break;
  52         case 0x4a:
  53                 id = 54453;
  54                 break;
  55         case 0x4b:
  56                 id = 54452;
  57                 break;
  58         case 0x4d:
  59                 id = 54451;
  60                 break;
  61         case 0x4f:
  62                 id = 54450;
  63                 break;
  64         case 0x9F:
  65                 id = 54410;
  66                 break;
  67         case 0xA0:
  68                 id = 54415;
  69                 break;
  70         case 0xA1:
  71                 id = 54416;
  72                 break;
  73         case 0xA2:
  74                 id = 54417;
  75                 break;
  76         case 0xA3:
  77                 id = 54418;
  78                 break;
  79         }
  80
  81         if (id) {
  82                 char buf1[32], buf2[32], buf3[32];
  83
  84                 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
  85                        ver);
  86                 printf("       CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
  87                        strmhz(buf1, gd->cpu_clk),
  88                        strmhz(buf2, gd->bus_clk),
  89                        strmhz(buf3, gd->arch.flb_clk));
  90 #ifdef CONFIG_PCI
  91                 printf("       PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n",
  92                        strmhz(buf1, gd->pci_clk),
  93                        strmhz(buf2, gd->arch.inp_clk),
  94                        strmhz(buf3, gd->arch.vco_clk));
  95 #else
  96                 printf("       INP CLK %s MHz VCO CLK %s MHz\n",
  97                        strmhz(buf1, gd->arch.inp_clk),
  98                        strmhz(buf2, gd->arch.vco_clk));
  99 #endif
 100         }
 101
 102         return 0;
 103 }
 104 #endif /* CONFIG_DISPLAY_CPUINFO */
 105
 106 #if defined(CONFIG_MCFFEC)
 107 /* Default initializations for MCFFEC controllers.  To override,
 108  * create a board-specific function called:
 109  *      int board_eth_init(bd_t *bis)
 110  */
 111
 112 int cpu_eth_init(bd_t *bis)
 113 {
 114         return mcffec_initialize(bis);
 115 }
 116 #endif