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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/board/corstone1000/common/corstone1000_plat.c | |
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 '')
-rw-r--r-- | plat/arm/board/corstone1000/common/corstone1000_plat.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/plat/arm/board/corstone1000/common/corstone1000_plat.c b/plat/arm/board/corstone1000/common/corstone1000_plat.c new file mode 100644 index 0000000..0235f8b --- /dev/null +++ b/plat/arm/board/corstone1000/common/corstone1000_plat.c @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <common/bl_common.h> + +#include <drivers/generic_delay_timer.h> +#include <drivers/io/io_storage.h> +#include <plat/common/platform.h> +#include <plat/arm/common/arm_fconf_getter.h> +#include <plat/arm/common/arm_fconf_io_storage.h> +#include <plat/arm/common/plat_arm.h> +#include <platform_def.h> + +/* + * Table of regions to map using the MMU. + * Replace or extend the below regions as required + */ + +const mmap_region_t plat_arm_mmap[] = { + ARM_MAP_SHARED_RAM, + ARM_MAP_NS_SHARED_RAM, + ARM_MAP_NS_DRAM1, + CORSTONE1000_MAP_DEVICE, + CORSTONE1000_EXTERNAL_FLASH, + {0} +}; + +static void set_fip_image_source(void) +{ + const struct plat_io_policy *policy; + /* + * metadata for firmware update is written at 0x0000 offset of the flash. + * PLAT_ARM_BOOT_BANK_FLAG contains the boot bank that TF-M is booted. + * As per firmware update spec, at a given point of time, only one bank + * is active. This means, TF-A should boot from the same bank as TF-M. + */ + volatile uint32_t *boot_bank_flag = (uint32_t *)(PLAT_ARM_BOOT_BANK_FLAG); + + if (*boot_bank_flag > 1) { + VERBOSE("Boot_bank is set higher than possible values"); + } + + VERBOSE("Boot bank flag = %u.\n\r", *boot_bank_flag); + + policy = FCONF_GET_PROPERTY(arm, io_policies, FIP_IMAGE_ID); + + assert(policy != NULL); + assert(policy->image_spec != 0UL); + + io_block_spec_t *spec = (io_block_spec_t *)policy->image_spec; + + if ((*boot_bank_flag) == 0) { + VERBOSE("Booting from bank 0: fip offset = 0x%lx\n\r", + PLAT_ARM_FIP_BASE_BANK0); + spec->offset = PLAT_ARM_FIP_BASE_BANK0; + } else { + VERBOSE("Booting from bank 1: fip offset = 0x%lx\n\r", + PLAT_ARM_FIP_BASE_BANK1); + spec->offset = PLAT_ARM_FIP_BASE_BANK1; + } +} + +void bl2_platform_setup(void) +{ + arm_bl2_platform_setup(); + /* + * Identify the start address of the FIP by reading the boot + * index flag from the flash. + */ + set_fip_image_source(); +} + +/* corstone1000 only has one always-on power domain and there + * is no power control present + */ +void __init plat_arm_pwrc_setup(void) +{ +} + +unsigned int plat_get_syscnt_freq2(void) +{ + /* Returning the Generic Timer Frequency */ + return SYS_COUNTER_FREQ_IN_TICKS; +} + + +/* + * Helper function to initialize ARM interconnect driver. + */ +void plat_arm_interconnect_init(void) +{ +} + +/* + * Helper function to place current master into coherency + */ +void plat_arm_interconnect_enter_coherency(void) +{ +} + +/* + * Helper function to remove current master from coherency + */ +void plat_arm_interconnect_exit_coherency(void) +{ +} + +/* + * This function is invoked during Mbed TLS library initialisation to get a heap + * The function simply returns the default allocated heap. + */ + +#if TRUSTED_BOARD_BOOT +int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size) +{ + assert(heap_addr != NULL); + assert(heap_size != NULL); + + return arm_get_mbedtls_heap(heap_addr, heap_size); +} +#endif |