// SPDX-License-Identifier: GPL-2.0-or-later | |
/* | |
* Copyright (C) 2019 Stephan Gerhold <stephan@gerhold.net> | |
*/ | |
#include <common.h> | |
#include <init.h> | |
#include <asm/io.h> | |
#define U8500_BOOTROM_BASE 0x90000000 | |
#define U8500_ASIC_ID_LOC_V2 (U8500_BOOTROM_BASE + 0x1DBF4) | |
int print_cpuinfo(void) | |
{ | |
/* Convert ASIC ID to display string, e.g. 0x8520A0 => DB8520 V1.0 */ | |
u32 asicid = readl(U8500_ASIC_ID_LOC_V2); | |
u32 cpu = (asicid >> 8) & 0xffff; | |
u32 rev = asicid & 0xff; | |
/* 0xA0 => 0x10 (V1.0) */ | |
if (rev >= 0xa0) | |
rev -= 0x90; | |
printf("CPU: ST-Ericsson DB%x V%d.%d\n", cpu, rev >> 4, rev & 0xf); | |
return 0; | |
} |