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