u-boot-brain/arch/x86/cpu/broadwell/cpu_from_spl.c

65 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <bloblist.h>
#include <cpu_func.h>
#include <debug_uart.h>
#include <handoff.h>
#include <init.h>
#include <log.h>
#include <asm/mtrr.h>
int misc_init_r(void)
{
return 0;
}
int dram_init(void)
{
struct spl_handoff *ho;
ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
if (!ho)
return log_msg_ret("Missing SPL hand-off info", -ENOENT);
handoff_load_dram_size(ho);
#ifdef CONFIG_TPL
/* TODO(sjg@chromium.org): MTRR cannot be adjusted without a hang */
mtrr_add_request(MTRR_TYPE_WRBACK, 0, 2ULL << 30);
#else
mtrr_add_request(MTRR_TYPE_WRBACK, 0, gd->ram_size);
mtrr_commit(true);
#endif
return 0;
}
int checkcpu(void)
{
return 0;
}
int print_cpuinfo(void)
{
return 0;
}
void board_debug_uart_init(void)
{
}
int dram_init_banksize(void)
{
struct spl_handoff *ho;
ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
if (!ho)
return log_msg_ret("Missing SPL hand-off info", -ENOENT);
handoff_load_dram_banks(ho);
return 0;
}