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

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2009 Samsung Electronics
* Minkyu Kang <mk7.kang@samsung.com>
*/
#include <common.h>
#include <fdtdec.h>
#include <asm/io.h>
#include <asm/arch/clk.h>
DECLARE_GLOBAL_DATA_PTR;
/* Default is s5pc100 */
unsigned int s5p_cpu_id = 0xC100;
/* Default is EVT1 */
unsigned int s5p_cpu_rev = 1;
#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
s5p_set_cpu_id();
return 0;
}
#endif
u32 get_device_type(void)
{
return s5p_cpu_id;
}
#ifdef CONFIG_DISPLAY_CPUINFO
int print_cpuinfo(void)
{
const char *cpu_model;
int len;
/* For SoC with no real CPU ID in naming convention. */
cpu_model = fdt_getprop(gd->fdt_blob, 0, "cpu-model", &len);
if (cpu_model)
printf("CPU: %.*s @ ", len, cpu_model);
else
printf("CPU: %s%X @ ", s5p_get_cpu_name(), s5p_cpu_id);
print_freq(get_arm_clk(), "\n");
return 0;
}
#endif