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Add single source of truth for target firmwares.

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This commit is contained in:
Michael Scire
2018-12-17 12:39:35 -08:00
parent fc4912ef54
commit e0f1e637f7
31 changed files with 855 additions and 171 deletions
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40
exosphere/lp0fw/src/mc.c Normal file
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/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include "mc.h"
#include "utils.h"
void disable_bpmp_access_to_dram(void) {
/* Modify carveout 4 to prevent BPMP access to dram (TZ will fix it). */
volatile security_carveout_t *carveout = (volatile security_carveout_t *)(MC_BASE + 0xC08 + 0x50 * (4 - CARVEOUT_ID_MIN));
carveout->paddr_low = 0;
carveout->paddr_high = 0;
carveout->size_big_pages = 1; /* 128 KiB */
carveout->client_access_0 = 0;
carveout->client_access_1 = 0;
carveout->client_access_2 = 0;
carveout->client_access_3 = 0;
carveout->client_access_4 = 0;
carveout->client_force_internal_access_0 = BIT(CSR_AVPCARM7R);
carveout->client_force_internal_access_1 = BIT(CSW_AVPCARM7W);
carveout->client_force_internal_access_2 = 0;
carveout->client_force_internal_access_3 = 0;
carveout->client_force_internal_access_4 = 0;
/* Set config to LOCKED, TZ-SECURE, untranslated addresses only. */
carveout->config = 0x8F;
}