src/soc/rockchip/rk3399/bootblock.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright 2016 Rockchip 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.
 */

#include <arch/io.h>
#include <bootblock_common.h>
#include <soc/grf.h>
#include <soc/mmu_operations.h>
#include <soc/clock.h>

void bootblock_soc_init(void)
{
	rkclk_init();

	/* all ddr range non-secure */
	write32(&rk3399_pmusgrf->ddr_rgn_con[16], 0xff << 16 | 0);

	/* tzma_rosize = 0, all sram non-secure */
	write32(&rk3399_pmusgrf->soc_con4, 0x3ff << 16 | 0);

	/* emmc master secure */
	write32(&rk3399_pmusgrf->soc_con7, 1 << 23 | 1 << 24 | 0 << 8 | 0 << 7);

	/* glb_slv_secure_bypass */
	write32(&rk3399_pmusgrf->pmu_slv_con0, 1 << 16 | 1);
}