M7350/kernel/arch/mips/lantiq/xway/prom-ase.c
2024-09-09 08:52:07 +00:00

40 lines
877 B
C

/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#include <linux/export.h>
#include <linux/clk.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <lantiq_soc.h>
#include "../prom.h"
#define SOC_AMAZON_SE "Amazon_SE"
#define PART_SHIFT 12
#define PART_MASK 0x0FFFFFFF
#define REV_SHIFT 28
#define REV_MASK 0xF0000000
void __init ltq_soc_detect(struct ltq_soc_info *i)
{
i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
switch (i->partnum) {
case SOC_ID_AMAZON_SE:
i->name = SOC_AMAZON_SE;
i->type = SOC_TYPE_AMAZON_SE;
break;
default:
unreachable();
break;
}
}