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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2008 - 2013 Tensilica Inc.
* (C) Copyright 2014 - 2016 Cadence Design Systems Inc.
*/
/*
* CPU specific code
*/
#include <common.h>
#include <command.h>
#include <vsprintf.h>
#include <linux/stringify.h>
#include <asm/global_data.h>
#include <asm/cache.h>
#include <asm/string.h>
#include <asm/misc.h>
DECLARE_GLOBAL_DATA_PTR;
gd_t *gd __attribute__((section(".data")));
#if defined(CONFIG_DISPLAY_CPUINFO)
/*
* Print information about the CPU.
*/
int print_cpuinfo(void)
{
char buf[120], mhz[8];
uint32_t id0, id1;
asm volatile ("rsr %0, 176\n"
"rsr %1, 208\n"
: "=r"(id0), "=r"(id1));
sprintf(buf, "CPU: Xtensa %s (id: %08x:%08x) at %s MHz\n",
XCHAL_CORE_ID, id0, id1, strmhz(mhz, gd->cpu_clk));
puts(buf);
return 0;
}
#endif
int arch_cpu_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
int dram_init(void)
{
return 0;
}
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