arch/powerpc/lib/bdinfo.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * PPC-specific information for the 'bd' command
   4  *
   5  * (C) Copyright 2003
   6  * Wolfgang Denk, DENX Software Engineering, [email protected].
   7  */
   8
   9 #include <init.h>
  10 #include <asm/global_data.h>
  11
  12 DECLARE_GLOBAL_DATA_PTR;
  13
  14 int arch_setup_bdinfo(void)
  15 {
  16         struct bd_info *bd = gd->bd;
  17
  18 #if defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
  19         bd->bi_immr_base = CONFIG_SYS_IMMR;     /* base  of IMMR register     */
  20 #endif
  21
  22 #if defined(CONFIG_MPC83xx)
  23         bd->bi_immrbar = CONFIG_SYS_IMMR;
  24 #endif
  25
  26         bd->bi_intfreq = gd->cpu_clk;   /* Internal Freq, in Hz */
  27         bd->bi_busfreq = gd->bus_clk;   /* Bus Freq,      in Hz */
  28
  29         return 0;
  30 }
  31
  32 void __weak board_detail(void)
  33 {
  34         /* Please define board_detail() for your PPC platform */
  35 }
  36
  37 void arch_print_bdinfo(void)
  38 {
  39         struct bd_info *bd = gd->bd;
  40
  41         bdinfo_print_mhz("busfreq", bd->bi_busfreq);
  42 #if defined(CONFIG_MPC8xx) || defined(CONFIG_E500)
  43         bdinfo_print_num_l("immr_base", bd->bi_immr_base);
  44 #endif
  45         bdinfo_print_num_l("bootflags", bd->bi_bootflags);
  46         bdinfo_print_mhz("intfreq", bd->bi_intfreq);
  47 #ifdef CONFIG_ENABLE_36BIT_PHYS
  48         if (IS_ENABLED(CONFIG_PHYS_64BIT))
  49                 puts("addressing  = 36-bit\n");
  50         else
  51                 puts("addressing  = 32-bit\n");
  52 #endif
  53         board_detail();
  54 }