diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/mmu_operations.c')
-rw-r--r-- | src/soc/nvidia/tegra132/mmu_operations.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/src/soc/nvidia/tegra132/mmu_operations.c b/src/soc/nvidia/tegra132/mmu_operations.c deleted file mode 100644 index 23531bee79..0000000000 --- a/src/soc/nvidia/tegra132/mmu_operations.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * 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/mmu.h> -#include <assert.h> -#include <soc/addressmap.h> -#include <soc/mmu_operations.h> -#include <stdlib.h> -#include <stdint.h> -#include <symbols.h> - -static void tegra132_mmu_config(void) -{ - uint64_t start,end; - const unsigned long devmem = MA_DEV | MA_S | MA_RW; - const unsigned long cachedmem = MA_MEM | MA_NS | MA_RW; - const unsigned long secure_mem = MA_MEM | MA_S | MA_RW; - uintptr_t tz_base_mib; - size_t tz_size_mib; - - memory_in_range_below_4gb(&start,&end); - - /* Device memory below DRAM */ - mmu_config_range((void *)0, start * MiB, devmem); - - /* DRAM */ - mmu_config_range((void *)(start * MiB), (end-start) * MiB, cachedmem); - - memory_in_range_above_4gb(&start,&end); - - mmu_config_range((void *)(start * MiB), (end-start) * MiB, cachedmem); - - /* SRAM */ - mmu_config_range(_sram, _sram_size, cachedmem); - - /* Add TZ carveout. */ - carveout_range(CARVEOUT_TZ, &tz_base_mib, &tz_size_mib); - - mmu_config_range((void *)(tz_base_mib * MiB), - tz_size_mib * MiB, secure_mem); - - /* Ensure page tables are at the base of the trust zone region. */ - assert((uintptr_t)_ttb == tz_base_mib * MiB && - _ttb_size <= tz_size_mib * MiB); -} - -void tegra132_mmu_init(void) -{ - mmu_init(); - tegra132_mmu_config(); - mmu_enable(); -} |