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/*
* This file is part of the coreboot project.
*
* Copyright 2014 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.
*/
#include <arch/exception.h>
#include <arch/stages.h>
#include <cbfs.h>
#include <cbmem.h>
#include <console/cbmem_console.h>
#include <console/console.h>
#include <program_loading.h>
#include <soc/addressmap.h>
#include <soc/ccplex.h>
#include <soc/clock.h>
#include <soc/sdram.h>
#include <soc/sdram_configs.h>
#include <soc/romstage.h>
#include <timer.h>
void __attribute__((weak)) romstage_mainboard_init(void)
{
/* Default empty implementation. */
}
void romstage(void)
{
console_init();
exception_init();
printk(BIOS_INFO, "T132: romstage here\n");
#if CONFIG_BOOTROM_SDRAM_INIT
printk(BIOS_INFO, "T132 romstage: SDRAM init done by BootROM, RAMCODE = %d\n",
sdram_get_ram_code());
#else
sdram_init(get_sdram_config());
printk(BIOS_INFO, "T132 romstage: sdram_init done\n");
#endif
/*
* Trust Zone needs to be initialized after the DRAM initialization
* because carveout registers are programmed during DRAM init.
* cbmem_initialize() is dependent on the Trust Zone region
* initalization because CBMEM lives right below the Trust Zone which
* needs to be properly identified.
*/
trustzone_region_init();
/*
* When romstage is running it's always on the reboot path -- never a
* resume path where cbmem recovery is required. Therefore, always
* initialize the cbmem area to be empty.
*/
cbmem_initialize_empty();
ccplex_cpu_prepare();
printk(BIOS_INFO, "T132 romstage: cpu prepare done\n");
ccplex_load_mts();
printk(BIOS_INFO, "T132 romstage: MTS loading done\n");
romstage_mainboard_init();
run_ramstage();
}
void platform_prog_run(struct prog *prog)
{
ccplex_cpu_start(prog_entry(prog));
clock_halt_avp();
}
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