u-boot/arch/x86/cpu/x86_64/cpu.c

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/*
* (C) Copyright 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <debug_uart.h>
DECLARE_GLOBAL_DATA_PTR;
/* Global declaration of gd */
struct global_data *global_data_ptr;
void arch_setup_gd(gd_t *new_gd)
{
global_data_ptr = new_gd;
/*
* TODO(sjg@chromium.org): For some reason U-Boot does not boot
* without this line. It fails to start up U-Boot proper and instead
* restarts SPL. Need to figure out why:
*
* U-Boot SPL 2017.01
*
* U-Boot SPL 2017.01
* CPU: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz
* Trying to boot from SPIJumping to 64-bit U-Boot: Note many
* features are missing
*
* U-Boot SPL 2017.01
*/
#ifdef CONFIG_DEBUG_UART
printch(' ');
#endif
}
int cpu_has_64bit(void)
{
return true;
}
void enable_caches(void)
{
/* Not implemented */
}
void disable_caches(void)
{
/* Not implemented */
}
int dcache_status(void)
{
return true;
}
int x86_mp_init(void)
{
/* Not implemented */
return 0;
}
int misc_init_r(void)
{
return 0;
}
int checkcpu(void)
{
return 0;
}
int print_cpuinfo(void)
{
return 0;
}