u-boot/arch/x86/cpu/x86_64/cpu.c
Simon Glass afa3d90c08 x86: Support debug UART in 64-bit mode
The debug UART is already set up in SPL, so there is no need to do
anything here. We must provide the (empty) function though.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2023-05-11 10:25:29 +08:00

59 lines
759 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <cpu_func.h>
#include <debug_uart.h>
#include <init.h>
#include <asm/global_data.h>
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 x86_cpu_reinit_f(void)
{
return 0;
}
int cpu_phys_address_size(void)
{
return CONFIG_CPU_ADDR_BITS;
}
int x86_cpu_init_f(void)
{
return 0;
}
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
/* this was already done in SPL */
}
#endif