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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/arm/common/tsp | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/arm/common/tsp')
-rw-r--r-- | plat/arm/common/tsp/arm_tsp.mk | 10 | ||||
-rw-r--r-- | plat/arm/common/tsp/arm_tsp_setup.c | 86 |
2 files changed, 96 insertions, 0 deletions
diff --git a/plat/arm/common/tsp/arm_tsp.mk b/plat/arm/common/tsp/arm_tsp.mk new file mode 100644 index 0000000..4ad77c6 --- /dev/null +++ b/plat/arm/common/tsp/arm_tsp.mk @@ -0,0 +1,10 @@ +# +# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +# TSP source files common to ARM standard platforms +BL32_SOURCES += plat/arm/common/arm_topology.c \ + plat/arm/common/tsp/arm_tsp_setup.c \ + plat/common/aarch64/platform_mp_stack.S diff --git a/plat/arm/common/tsp/arm_tsp_setup.c b/plat/arm/common/tsp/arm_tsp_setup.c new file mode 100644 index 0000000..a4da8c3 --- /dev/null +++ b/plat/arm/common/tsp/arm_tsp_setup.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <platform_def.h> + +#include <bl32/tsp/platform_tsp.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <drivers/arm/pl011.h> +#include <drivers/console.h> +#include <plat/arm/common/plat_arm.h> + +/* Weak definitions may be overridden in specific ARM standard platform */ +#pragma weak tsp_early_platform_setup +#pragma weak tsp_platform_setup +#pragma weak tsp_plat_arch_setup + +#define MAP_BL_TSP_TOTAL MAP_REGION_FLAT( \ + BL32_BASE, \ + BL32_END - BL32_BASE, \ + MT_MEMORY | MT_RW | MT_SECURE) + +/******************************************************************************* + * Initialize the UART + ******************************************************************************/ +static console_t arm_tsp_runtime_console; + +void arm_tsp_early_platform_setup(void) +{ + /* + * Initialize a different console than already in use to display + * messages from TSP + */ + int rc = console_pl011_register(PLAT_ARM_TSP_UART_BASE, + PLAT_ARM_TSP_UART_CLK_IN_HZ, + ARM_CONSOLE_BAUDRATE, + &arm_tsp_runtime_console); + if (rc == 0) + panic(); + + console_set_scope(&arm_tsp_runtime_console, + CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME); +} + +void tsp_early_platform_setup(void) +{ + arm_tsp_early_platform_setup(); +} + +/******************************************************************************* + * Perform platform specific setup placeholder + ******************************************************************************/ +void tsp_platform_setup(void) +{ + plat_arm_gic_driver_init(); +} + +/******************************************************************************* + * Perform the very early platform specific architectural setup here. At the + * moment this is only intializes the MMU + ******************************************************************************/ +void tsp_plat_arch_setup(void) +{ +#if USE_COHERENT_MEM + /* Ensure ARM platforms don't use coherent memory in TSP */ + assert((BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE) == 0U); +#endif + + const mmap_region_t bl_regions[] = { + MAP_BL_TSP_TOTAL, + ARM_MAP_BL_RO, + {0} + }; + + setup_page_tables(bl_regions, plat_arm_get_mmap()); + enable_mmu_el1(0); + +#if PLAT_RO_XLAT_TABLES + arm_xlat_make_tables_readonly(); +#endif +} |