| /* |
| * 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. |
| */ |
| |
| #include <arch/stages.h> |
| #include <gic.h> |
| #include <soc/addressmap.h> |
| #include <soc/clock.h> |
| #include <soc/mc.h> |
| #include <soc/mmu_operations.h> |
| |
| static void lock_down_vpr(void) |
| { |
| struct tegra_mc_regs *regs = (void *)(uintptr_t)TEGRA_MC_BASE; |
| |
| write32(®s->video_protect_bom, 0); |
| write32(®s->video_protect_size_mb, 0); |
| write32(®s->video_protect_reg_ctrl, 1); |
| } |
| |
| /* Tegra-specific entry point, called from assembly in stage_entry.S */ |
| void ramstage_entry(void); |
| void ramstage_entry(void) |
| { |
| /* TODO: Is this still needed? */ |
| gic_init(); |
| |
| /* TODO: Move TrustZone setup to BL31? */ |
| trustzone_region_init(); |
| |
| tegra132_mmu_init(); |
| |
| clock_cpu0_config(); |
| |
| clock_init_arm_generic_timer(); |
| |
| /* Lock down VPR */ |
| lock_down_vpr(); |
| |
| /* Jump to boot state machine in common code. */ |
| main(); |
| } |