[people/ms/u-boot.git] / arch / arm / mach-uniphier / cpu-info.c

/*
 * Copyright (C) 2013-2014 Panasonic Corporation
 * Copyright (C) 2015-2017 Socionext Inc.
 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <linux/errno.h>
#include <linux/io.h>

#include "soc-info.h"

int print_cpuinfo(void)
{
	unsigned int id, model, rev, required_model = 1, required_rev = 1;

	id = uniphier_get_soc_id();
	model = uniphier_get_soc_model();
	rev = uniphier_get_soc_revision();

	puts("CPU:   ");

	switch (id) {
	case UNIPHIER_SLD3_ID:
		puts("sLD3 (MN2WS0220)");
		required_model = 2;
		break;
	case UNIPHIER_LD4_ID:
		puts("LD4 (MN2WS0250)");
		required_rev = 2;
		break;
	case UNIPHIER_PRO4_ID:
		puts("Pro4 (MN2WS0230)");
		break;
	case UNIPHIER_SLD8_ID:
		puts("sLD8 (MN2WS0270)");
		break;
	case UNIPHIER_PRO5_ID:
		puts("Pro5 (MN2WS0300)");
		break;
	case UNIPHIER_PXS2_ID:
		puts("PXs2 (MN2WS0310)");
		break;
	case UNIPHIER_LD6B_ID:
		puts("LD6b (MN2WS0320)");
		break;
	case UNIPHIER_LD11_ID:
		puts("LD11 (SC1405AP1)");
		break;
	case UNIPHIER_LD20_ID:
		puts("LD20 (SC1401AJ1)");
		break;
	case UNIPHIER_PXS3_ID:
		puts("PXs3");
		break;
	default:
		printf("Unknown Processor ID (0x%x)\n", id);
		return -ENOTSUPP;
	}

	printf(" model %d (revision %d)\n", model, rev);

	if (model < required_model) {
		printf("Only model %d or newer is supported.\n",
		       required_model);
		return -ENOTSUPP;
	} else if (rev < required_rev) {
		printf("Only revision %d or newer is supported.\n",
		       required_rev);
		return -ENOTSUPP;
	}

	return 0;
}
Commit	Line	Data
e27d6c7d MY	1	/*
	2	* Copyright (C) 2013-2014 Panasonic Corporation
	3	* Copyright (C) 2015-2017 Socionext Inc.
	4	* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
	5	*
	6	* SPDX-License-Identifier: GPL-2.0+
	7	*/
	8
	9	#include <common.h>
	10	#include <linux/errno.h>
	11	#include <linux/io.h>
	12
	13	#include "soc-info.h"
	14
	15	int print_cpuinfo(void)
	16	{
	17	unsigned int id, model, rev, required_model = 1, required_rev = 1;
	18
	19	id = uniphier_get_soc_id();
	20	model = uniphier_get_soc_model();
	21	rev = uniphier_get_soc_revision();
	22
	23	puts("CPU: ");
	24
	25	switch (id) {
	26	case UNIPHIER_SLD3_ID:
	27	puts("sLD3 (MN2WS0220)");
	28	required_model = 2;
	29	break;
	30	case UNIPHIER_LD4_ID:
	31	puts("LD4 (MN2WS0250)");
	32	required_rev = 2;
	33	break;
	34	case UNIPHIER_PRO4_ID:
	35	puts("Pro4 (MN2WS0230)");
	36	break;
	37	case UNIPHIER_SLD8_ID:
	38	puts("sLD8 (MN2WS0270)");
	39	break;
	40	case UNIPHIER_PRO5_ID:
	41	puts("Pro5 (MN2WS0300)");
	42	break;
	43	case UNIPHIER_PXS2_ID:
	44	puts("PXs2 (MN2WS0310)");
	45	break;
	46	case UNIPHIER_LD6B_ID:
	47	puts("LD6b (MN2WS0320)");
	48	break;
	49	case UNIPHIER_LD11_ID:
	50	puts("LD11 (SC1405AP1)");
	51	break;
	52	case UNIPHIER_LD20_ID:
	53	puts("LD20 (SC1401AJ1)");
	54	break;
2c2ab3d4 MY	55	case UNIPHIER_PXS3_ID:
	56	puts("PXs3");
	57	break;
e27d6c7d MY	58	default:
	59	printf("Unknown Processor ID (0x%x)\n", id);
	60	return -ENOTSUPP;
	61	}
	62
	63	printf(" model %d (revision %d)\n", model, rev);
	64
	65	if (model < required_model) {
	66	printf("Only model %d or newer is supported.\n",
	67	required_model);
	68	return -ENOTSUPP;
	69	} else if (rev < required_rev) {
	70	printf("Only revision %d or newer is supported.\n",
	71	required_rev);
	72	return -ENOTSUPP;
	73	}
	74
	75	return 0;
	76	}