blob: dc94dc68100eb2f297765ed73a7de045841db071 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 - 2020 Intel Corporation
* Copyright (C) 2019 - 2020 Facebook 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#include <arch/romstage.h>
#include <cbmem.h>
#include <intelblocks/rtc.h>
#include <console/console.h>
#include <cpu/x86/mtrr.h>
#include <soc/romstage.h>
#include <soc/soc_util.h>
#include "chip.h"
asmlinkage void car_stage_entry(void)
{
struct postcar_frame pcf;
uintptr_t top_of_ram;
printk(BIOS_DEBUG, "FSP TempRamInit was successful...\n");
console_init();
rtc_init();
fsp_memory_init(false);
printk(BIOS_DEBUG, "coreboot fsp_memory_init finished...\n");
unlock_pam_regions();
if (postcar_frame_init(&pcf, 1 * KiB))
die("Unable to initialize postcar frame.\n");
/*
* We need to make sure ramstage will be run cached. At this point exact
* location of ramstage in cbmem is not known. Instruct postcar to cache
* 16 megs under cbmem top which is a safe bet to cover ramstage.
*/
top_of_ram = (uintptr_t)cbmem_top();
printk(BIOS_DEBUG, "top_of_ram: 0x%lx\n", top_of_ram);
postcar_frame_add_mtrr(&pcf, top_of_ram - 16 * MiB, 16 * MiB,
MTRR_TYPE_WRBACK);
/* Cache the memory-mapped boot media. */
postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
run_postcar_phase(&pcf);
}
static void soc_memory_init_params(FSP_M_CONFIG *m_cfg)
{
}
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
{
const config_t *config = config_of_soc();
FSP_M_CONFIG *m_cfg = &mupd->FspmConfig;
mupd->FspmUpdVersion = FSP_UPD_VERSION;
// ErrorLevel - 0 (disable) to 8 (verbose)
m_cfg->PcdFspMrcDebugPrintErrorLevel = 0;
m_cfg->PcdFspKtiDebugPrintErrorLevel = 0;
soc_memory_init_params(m_cfg);
mainboard_memory_init_params(mupd);
m_cfg->VTdConfig.VTdSupport = config->vtd_support;
m_cfg->VTdConfig.CoherencySupport = config->coherency_support;
m_cfg->VTdConfig.ATS = config->ats_support;
}