[thirdparty/u-boot.git] / arch / arm / cpu / arm920t / s3c24x0 / cpu_info.c

/*
 * (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;
}
Commit	Line	Data
9fd68266 DMEA	1	/*
	2	* (C) Copyright 2010
	3	* David Mueller <d.mueller@elsoft.ch>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
9fd68266 DMEA	6	*/
	7
	8	#include <common.h>
	9	#include <asm/io.h>
	10	#include <asm/arch/s3c24x0_cpu.h>
	11
	12	typedef ulong (*getfreq)(void);
	13
	14	static const getfreq freq_f[] = {
	15	get_FCLK,
	16	get_HCLK,
	17	get_PCLK,
	18	};
	19
	20	static const char freq_c[] = { 'F', 'H', 'P' };
	21
	22	int print_cpuinfo(void)
	23	{
	24	int i;
	25	char buf[32];
	26	/* the S3C2400 seems to be lacking a CHIP ID register */
	27	#ifndef CONFIG_S3C2400
	28	ulong cpuid;
	29	struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
	30
	31	cpuid = readl(&gpio->gstatus1);
	32	printf("CPUID: %8lX\n", cpuid);
	33	#endif
	34	for (i = 0; i < ARRAY_SIZE(freq_f); i++)
	35	printf("%cCLK: %8s MHz\n", freq_c[i], strmhz(buf, freq_f[i]()));
	36
	37	return 0;
	38	}