arch/arm/cpu/armv7/s5p-common/cpu_info.c

   1 /*
   2  * Copyright (C) 2009 Samsung Electronics
   3  * Minkyu Kang <mk7.kang@samsung.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/clk.h>
  10
  11 /* Default is s5pc100 */
  12 unsigned int s5p_cpu_id = 0xC100;
  13 /* Default is EVT1 */
  14 unsigned int s5p_cpu_rev = 1;
  15
  16 #ifdef CONFIG_ARCH_CPU_INIT
  17 int arch_cpu_init(void)
  18 {
  19         s5p_set_cpu_id();
  20
  21         return 0;
  22 }
  23 #endif
  24
  25 u32 get_device_type(void)
  26 {
  27         return s5p_cpu_id;
  28 }
  29
  30 #ifdef CONFIG_DISPLAY_CPUINFO
  31 int print_cpuinfo(void)
  32 {
  33         char buf[32];
  34
  35         printf("CPU:\t%s%X@%sMHz\n",
  36                         s5p_get_cpu_name(), s5p_cpu_id,
  37                         strmhz(buf, get_arm_clk()));
  38
  39         return 0;
  40 }
  41 #endif