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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 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.h>
#include "prom.h"
#include "clk.h"
static struct ltq_soc_info soc_info;
unsigned int ltq_get_cpu_ver(void)
{
return soc_info.rev;
}
EXPORT_SYMBOL(ltq_get_cpu_ver);
unsigned int ltq_get_soc_type(void)
{
return soc_info.type;
}
EXPORT_SYMBOL(ltq_get_soc_type);
const char *get_system_type(void)
{
return soc_info.sys_type;
}
void prom_free_prom_memory(void)
{
}
static void __init prom_init_cmdline(void)
{
int argc = fw_arg0;
char **argv = (char **) KSEG1ADDR(fw_arg1);
int i;
for (i = 0; i < argc; i++) {
char *p = (char *) KSEG1ADDR(argv[i]);
if (p && *p) {
strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
}
}
}
void __init prom_init(void)
{
struct clk *clk;
ltq_soc_detect(&soc_info);
clk_init();
clk = clk_get(0, "cpu");
snprintf(soc_info.sys_type, LTQ_SYS_TYPE_LEN - 1, "%s rev1.%d",
soc_info.name, soc_info.rev);
clk_put(clk);
soc_info.sys_type[LTQ_SYS_TYPE_LEN - 1] = '\0';
pr_info("SoC: %s\n", soc_info.sys_type);
prom_init_cmdline();
}
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