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