mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 14:23:00 +00:00
667dbcd01d
This is a low-cost ARMv8 SoC from Socionext Inc. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
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 (SC1405AP1)");
|
|
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;
|
|
}
|