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

/*
 * Copyright (C) 2013-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

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

#include "sg-regs.h"

int print_cpuinfo(void)
{
	u32 revision, type, model, rev, required_model = 1, required_rev = 1;

	revision = readl(SG_REVISION);
	type = (revision & SG_REVISION_TYPE_MASK) >> SG_REVISION_TYPE_SHIFT;
	model = (revision & SG_REVISION_MODEL_MASK) >> SG_REVISION_MODEL_SHIFT;
	rev = (revision & SG_REVISION_REV_MASK) >> SG_REVISION_REV_SHIFT;

	puts("CPU:   ");

	switch (type) {
	case 0x25:
		puts("PH1-sLD3 (MN2WS0220)");
		required_model = 2;
		break;
	case 0x26:
		puts("PH1-LD4 (MN2WS0250)");
		required_rev = 2;
		break;
	case 0x28:
		puts("PH1-Pro4 (MN2WS0230)");
		break;
	case 0x29:
		puts("PH1-sLD8 (MN2WS0270)");
		break;
	case 0x2A:
		puts("PH1-Pro5 (MN2WS0300)");
		break;
	case 0x2E:
		puts("ProXstream2 (MN2WS0310)");
		break;
	case 0x2F:
		puts("PH1-LD6b (MN2WS0320)");
		break;
	case 0x31:
		puts("PH1-LD11 ()");
		break;
	case 0x32:
		puts("PH1-LD20 (SC1401AJ1)");
		break;
	default:
		printf("Unknown Processor ID (0x%x)\n", revision);
		return -1;
	}

	printf(" model %d", model);

	printf(" (rev. %d)\n", rev);

	if (model < required_model) {
		printf("Sorry, this model is not supported.\n");
		printf("Required model is %d.", required_model);
		return -1;
	} else if (rev < required_rev) {
		printf("Sorry, this revision is not supported.\n");
		printf("Required revision is %d.", required_rev);
		return -1;
	}

	return 0;
}
Commit	Line	Data
5894ca00	1	/*
f6e7f07c	2	* Copyright (C) 2013-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
5894ca00 MY	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#include <common.h>
f6e7f07c	8	#include <linux/io.h>
107b3fb4 MY	9
107b3fb4 MY	10	#include "sg-regs.h"
5894ca00 MY	11
	12	int print_cpuinfo(void)
	13	{
	14	u32 revision, type, model, rev, required_model = 1, required_rev = 1;
	15
	16	revision = readl(SG_REVISION);
	17	type = (revision & SG_REVISION_TYPE_MASK) >> SG_REVISION_TYPE_SHIFT;
	18	model = (revision & SG_REVISION_MODEL_MASK) >> SG_REVISION_MODEL_SHIFT;
	19	rev = (revision & SG_REVISION_REV_MASK) >> SG_REVISION_REV_SHIFT;
	20
	21	puts("CPU: ");
	22
	23	switch (type) {
	24	case 0x25:
	25	puts("PH1-sLD3 (MN2WS0220)");
	26	required_model = 2;
	27	break;
	28	case 0x26:
	29	puts("PH1-LD4 (MN2WS0250)");
	30	required_rev = 2;
	31	break;
	32	case 0x28:
	33	puts("PH1-Pro4 (MN2WS0230)");
	34	break;
	35	case 0x29:
	36	puts("PH1-sLD8 (MN2WS0270)");
	37	break;
8101b982 MY	38	case 0x2A:
	39	puts("PH1-Pro5 (MN2WS0300)");
	40	break;
	41	case 0x2E:
	42	puts("ProXstream2 (MN2WS0310)");
	43	break;
	44	case 0x2F:
	45	puts("PH1-LD6b (MN2WS0320)");
	46	break;
6f45a975	47	case 0x31:
2247c332	48	puts("PH1-LD11 ()");
6f45a975 MY	49	break;
6f45a975 MY	50	case 0x32:
9d0c2ceb	51	puts("PH1-LD20 (SC1401AJ1)");
6f45a975	52	break;
5894ca00 MY	53	default:
	54	printf("Unknown Processor ID (0x%x)\n", revision);
	55	return -1;
	56	}
	57
6e1550fa	58	printf(" model %d", model);
5894ca00 MY	59
	60	printf(" (rev. %d)\n", rev);
	61
	62	if (model < required_model) {
	63	printf("Sorry, this model is not supported.\n");
	64	printf("Required model is %d.", required_model);
	65	return -1;
	66	} else if (rev < required_rev) {
	67	printf("Sorry, this revision is not supported.\n");
	68	printf("Required revision is %d.", required_rev);
	69	return -1;
	70	}
	71
	72	return 0;
	73	}