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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/time.h>
#include <asm/bootinfo.h>
#include <lantiq_soc.h>
#include "../prom.h"
#include "../clk.h"
#include "../machtypes.h"
#include <base_reg.h>
#include <ebu_reg.h>
#define SOC_SVIP "SVIP"
#define PART_SHIFT 12
#define PART_MASK 0x0FFFF000
#define REV_SHIFT 28
#define REV_MASK 0xF0000000
static struct svip_reg_ebu *const ebu = (struct svip_reg_ebu *)LTQ_EBU_BASE;
void __init ltq_soc_init(void)
{
clkdev_add_static(ltq_svip_cpu_hz(), ltq_svip_fpi_hz(),
ltq_svip_io_region_clock());
}
void __init
ltq_soc_setup(void)
{
if (mips_machtype == LANTIQ_MACH_EASY33016 ||
mips_machtype == LANTIQ_MACH_EASY336) {
ebu_w32(0x120000f1, addr_sel_2);
ebu_w32(LTQ_EBU_CON_0_ADSWP |
LTQ_EBU_CON_0_SETUP |
LTQ_EBU_CON_0_BCGEN_VAL(0x02) |
LTQ_EBU_CON_0_WAITWRC_VAL(7) |
LTQ_EBU_CON_0_WAITRDC_VAL(3) |
LTQ_EBU_CON_0_HOLDC_VAL(3) |
LTQ_EBU_CON_0_RECOVC_VAL(3) |
LTQ_EBU_CON_0_CMULT_VAL(3), con_2);
}
}
void __init
ltq_soc_detect(struct ltq_soc_info *i)
{
i->partnum = (ltq_r32(LTQ_STATUS_CHIPID) & PART_MASK) >> PART_SHIFT;
i->rev = (ltq_r32(LTQ_STATUS_CHIPID) & REV_MASK) >> REV_SHIFT;
sprintf(i->rev_type, "1.%d", i->rev);
switch (i->partnum) {
case SOC_ID_SVIP:
i->name = SOC_SVIP;
i->type = SOC_TYPE_SVIP;
break;
default:
printk(KERN_ERR "unknown partnum : 0x%08X\n", i->partnum);
while (1);
break;
}
}
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