u-boot/arch/arm/mach-uniphier/cpu-info.c

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/*
* 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;
}