arch/m68k/cpu/mcf5445x/cpu.c

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