mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 17:16:36 +00:00
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
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/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "cluster.h"
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#include "di.h"
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#include "exocfg.h"
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#include "flow.h"
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#include "mc.h"
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#include "nxboot.h"
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#include "se.h"
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#include "timers.h"
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void nxboot_finish(uint32_t boot_memaddr) {
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volatile tegra_se_t *se = se_get_regs();
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/* Clear used keyslots. */
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clear_aes_keyslot(KEYSLOT_SWITCH_PACKAGE2KEY);
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clear_aes_keyslot(KEYSLOT_SWITCH_RNGKEY);
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/* Lock keyslots. */
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set_aes_keyslot_flags(KEYSLOT_SWITCH_MASTERKEY, 0xFF);
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if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
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set_aes_keyslot_flags(KEYSLOT_SWITCH_DEVICEKEY, 0xFF);
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} else {
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set_aes_keyslot_flags(KEYSLOT_SWITCH_4XOLDDEVICEKEY, 0xFF);
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}
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/* Finalize the GPU UCODE carveout. */
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mc_config_carveout_finalize();
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/* Lock AES keyslots. */
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for (uint32_t i = 0; i < 16; i++)
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set_aes_keyslot_flags(i, 0x15);
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/* Lock RSA keyslots. */
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for (uint32_t i = 0; i < 2; i++)
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set_rsa_keyslot_flags(i, 1);
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/* Lock the Security Engine. */
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se->_0x4 = 0;
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se->AES_KEY_READ_DISABLE_REG = 0;
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se->RSA_KEY_READ_DISABLE_REG = 0;
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se->_0x0 &= 0xFFFFFFFB;
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/* Boot up Exosphère. */
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MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE = 0;
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if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_LOADED_PACKAGE2;
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} else {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X;
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}
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/* Terminate the display. */
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display_end();
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/* Boot CPU0. */
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cluster_boot_cpu0(boot_memaddr);
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/* Wait for Exosphère to wake up. */
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while (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE == 0) {
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udelay(1);
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}
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/* Signal Exosphère. */
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if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < EXOSPHERE_TARGET_FIRMWARE_400) {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED;
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} else {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED_4X;
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}
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/* Halt ourselves in waitevent state. */
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while (1) {
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FLOW_CTLR_HALT_COP_EVENTS_0 = 0x50000000;
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}
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}
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