u-boot/arch/arm/cpu/arm920t/s3c24x0/cpu_info.c

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/*
* (C) Copyright 2010
* David Mueller <d.mueller@elsoft.ch>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/s3c24x0_cpu.h>
typedef ulong (*getfreq)(void);
static const getfreq freq_f[] = {
get_FCLK,
get_HCLK,
get_PCLK,
};
static const char freq_c[] = { 'F', 'H', 'P' };
int print_cpuinfo(void)
{
int i;
char buf[32];
/* the S3C2400 seems to be lacking a CHIP ID register */
#ifndef CONFIG_S3C2400
ulong cpuid;
struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
cpuid = readl(&gpio->gstatus1);
printf("CPUID: %8lX\n", cpuid);
#endif
for (i = 0; i < ARRAY_SIZE(freq_f); i++)
printf("%cCLK: %8s MHz\n", freq_c[i], strmhz(buf, freq_f[i]()));
return 0;
}