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 int checkcpu(void)
  35 {
  36         ccm_t *ccm = (ccm_t *) MMAP_CCM;
  37         u16 msk;
  38         u16 id = 0;
  39         u8 ver;
  40
  41         puts("CPU:   ");
  42         msk = (in_be16(&ccm->cir) >> 6);
  43         ver = (in_be16(&ccm->cir) & 0x003f);
  44         switch (msk) {
  45         case 0x48:
  46                 id = 54455;
  47                 break;
  48         case 0x49:
  49                 id = 54454;
  50                 break;
  51         case 0x4a:
  52                 id = 54453;
  53                 break;
  54         case 0x4b:
  55                 id = 54452;
  56                 break;
  57         case 0x4d:
  58                 id = 54451;
  59                 break;
  60         case 0x4f:
  61                 id = 54450;
  62                 break;
  63         case 0x9F:
  64                 id = 54410;
  65                 break;
  66         case 0xA0:
  67                 id = 54415;
  68                 break;
  69         case 0xA1:
  70                 id = 54416;
  71                 break;
  72         case 0xA2:
  73                 id = 54417;
  74                 break;
  75         case 0xA3:
  76                 id = 54418;
  77                 break;
  78         }
  79
  80         if (id) {
  81                 char buf1[32], buf2[32], buf3[32];
  82
  83                 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
  84                        ver);
  85                 printf("       CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
  86                        strmhz(buf1, gd->cpu_clk),
  87                        strmhz(buf2, gd->bus_clk),
  88                        strmhz(buf3, gd->arch.flb_clk));
  89 #ifdef CONFIG_PCI
  90                 printf("       PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n",
  91                        strmhz(buf1, gd->pci_clk),
  92                        strmhz(buf2, gd->arch.inp_clk),
  93                        strmhz(buf3, gd->arch.vco_clk));
  94 #else
  95                 printf("       INP CLK %s MHz VCO CLK %s MHz\n",
  96                        strmhz(buf1, gd->arch.inp_clk),
  97                        strmhz(buf2, gd->arch.vco_clk));
  98 #endif
  99         }
 100
 101         return 0;
 102 }
 103
 104 #if defined(CONFIG_MCFFEC)
 105 /* Default initializations for MCFFEC controllers.  To override,
 106  * create a board-specific function called:
 107  *      int board_eth_init(bd_t *bis)
 108  */
 109
 110 int cpu_eth_init(bd_t *bis)
 111 {
 112         return mcffec_initialize(bis);
 113 }
 114 #endif