Commit d7691b88 authored by Simon Glass's avatar Simon Glass
Browse files

x86: broadwell: Allow booting from SPL



At present broadwell only supports booting straight into U-Boot proper.
Add a separate init file to boot from SPL into U-Boot proper, and select
it when SPL is in use.
Signed-off-by: Simon Glass's avatarSimon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng's avatarBin Meng <bmeng.cn@gmail.com>
parent 150ee5d2
......@@ -5,6 +5,21 @@
obj-y += adsp.o
obj-y += cpu.o
obj-y += cpu_full.o
ifdef CONFIG_SPL
ifndef CONFIG_SPL_BUILD
obj-y += cpu_from_spl.o
obj-y += cpu_full.o
endif
ifndef CONFIG_SPL_BUILD
# obj-y += cpu_from_spl.o
endif
endif
ifeq ($(CONFIG_$(SPL_TPL_)X86_32BIT_INIT),)
#obj-y += cpu_from_spl.o
endif
obj-y += iobp.o
obj-y += lpc.o
obj-y += me.o
......
// 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 <debug_uart.h>
#include <handoff.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)
{
#ifdef CONFIG_NR_DRAM_BANKS
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);
#endif
return 0;
}
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