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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <cbmem.h>
#include <console/console.h>
#include <cpu/x86/tsc.h>
#include <rmodule.h>
#include <baytrail/ramstage.h>
#include <baytrail/efi_wrapper.h>
static void ABI_X86 send_to_console(unsigned char b)
{
console_tx_byte(b);
}
void baytrail_run_reference_code(void)
{
int ret;
efi_wrapper_entry_t entry;
struct efi_wrapper_params wrp = {
.version = EFI_WRAPPER_VER,
.console_out = send_to_console,
};
struct rmod_stage_load refcode = {
.cbmem_id = CBMEM_ID_REFCODE,
.name = CONFIG_CBFS_PREFIX "/refcode",
};
if (rmodule_stage_load_from_cbfs(&refcode) || refcode.entry == NULL) {
printk(BIOS_DEBUG, "Error loading reference code.\n");
return;
}
wrp.tsc_ticks_per_microsecond = tsc_freq_mhz();
entry = refcode.entry;
/* Call into reference code. */
ret = entry(&wrp);
if (ret != 0) {
printk(BIOS_DEBUG, "Reference code returned %d\n", ret);
return;
}
}
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