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// 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;
}
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