diff options
Diffstat (limited to 'plat/socionext/synquacer/sq_io_storage.c')
| -rw-r--r-- | plat/socionext/synquacer/sq_io_storage.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/plat/socionext/synquacer/sq_io_storage.c b/plat/socionext/synquacer/sq_io_storage.c new file mode 100644 index 0000000..ea83dad --- /dev/null +++ b/plat/socionext/synquacer/sq_io_storage.c @@ -0,0 +1,246 @@ +/* + * Copyright (c) 2022, Socionext Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <errno.h> +#include <stdint.h> + +#include <drivers/io/io_block.h> +#include <drivers/io/io_driver.h> +#include <drivers/io/io_fip.h> +#include <drivers/io/io_memmap.h> +#include <lib/mmio.h> +#include <lib/utils_def.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <tools_share/firmware_image_package.h> + +#include <platform_def.h> +#include <sq_common.h> + +static const io_dev_connector_t *sq_fip_dev_con; +static uintptr_t sq_fip_dev_handle; + +static const io_dev_connector_t *sq_backend_dev_con; +static uintptr_t sq_backend_dev_handle; + +static io_block_spec_t sq_fip_spec = { + .offset = PLAT_SQ_FIP_IOBASE, /* FIP Image is at 5MB offset on memory-mapped NOR flash */ + .length = PLAT_SQ_FIP_MAXSIZE, /* Expected maximum FIP image size */ +}; + +static const io_uuid_spec_t sq_bl2_spec = { + .uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2, +}; + +static const io_uuid_spec_t sq_bl31_spec = { + .uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31, +}; + +static const io_uuid_spec_t sq_bl32_spec = { + .uuid = UUID_SECURE_PAYLOAD_BL32, +}; + +static const io_uuid_spec_t sq_bl33_spec = { + .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33, +}; + +#if TRUSTED_BOARD_BOOT +static const io_uuid_spec_t sq_tb_fw_cert_spec = { + .uuid = UUID_TRUSTED_BOOT_FW_CERT, +}; + +static const io_uuid_spec_t sq_trusted_key_cert_spec = { + .uuid = UUID_TRUSTED_KEY_CERT, +}; + +static const io_uuid_spec_t sq_soc_fw_key_cert_spec = { + .uuid = UUID_SOC_FW_KEY_CERT, +}; + +static const io_uuid_spec_t sq_tos_fw_key_cert_spec = { + .uuid = UUID_TRUSTED_OS_FW_KEY_CERT, +}; + +static const io_uuid_spec_t sq_nt_fw_key_cert_spec = { + .uuid = UUID_NON_TRUSTED_FW_KEY_CERT, +}; + +static const io_uuid_spec_t sq_soc_fw_cert_spec = { + .uuid = UUID_SOC_FW_CONTENT_CERT, +}; + +static const io_uuid_spec_t sq_tos_fw_cert_spec = { + .uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT, +}; + +static const io_uuid_spec_t sq_nt_fw_cert_spec = { + .uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT, +}; +#endif /* TRUSTED_BOARD_BOOT */ + +struct sq_io_policy { + uintptr_t *dev_handle; + uintptr_t image_spec; + uintptr_t init_params; +}; + +static const struct sq_io_policy sq_io_policies[] = { + [FIP_IMAGE_ID] = { + .dev_handle = &sq_backend_dev_handle, + .image_spec = (uintptr_t)&sq_fip_spec, + }, + [BL2_IMAGE_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_bl2_spec, + .init_params = FIP_IMAGE_ID, + }, + [BL31_IMAGE_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_bl31_spec, + .init_params = FIP_IMAGE_ID, + }, + [BL32_IMAGE_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_bl32_spec, + .init_params = FIP_IMAGE_ID, + }, + [BL33_IMAGE_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_bl33_spec, + .init_params = FIP_IMAGE_ID, + }, +#if TRUSTED_BOARD_BOOT + [TRUSTED_BOOT_FW_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_tb_fw_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [TRUSTED_KEY_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_trusted_key_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [SOC_FW_KEY_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_soc_fw_key_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [TRUSTED_OS_FW_KEY_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_tos_fw_key_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [NON_TRUSTED_FW_KEY_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_nt_fw_key_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [SOC_FW_CONTENT_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_soc_fw_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [TRUSTED_OS_FW_CONTENT_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_tos_fw_cert_spec, + .init_params = FIP_IMAGE_ID, + }, + [NON_TRUSTED_FW_CONTENT_CERT_ID] = { + .dev_handle = &sq_fip_dev_handle, + .image_spec = (uintptr_t)&sq_nt_fw_cert_spec, + .init_params = FIP_IMAGE_ID, + }, +#endif +}; + +static int sq_update_fip_spec(void) +{ + uint32_t boot_index; + int ret; + + ret = mmap_add_dynamic_region(PLAT_SQ_BOOTIDX_BASE, PLAT_SQ_BOOTIDX_BASE, + PAGE_SIZE, MT_RO_DATA | MT_SECURE); + if (ret) { + return ret; + } + + boot_index = mmio_read_32(PLAT_SQ_BOOTIDX_BASE); + if (boot_index < PLAT_SQ_MAX_BOOT_INDEX) { + sq_fip_spec.offset += PLAT_SQ_FIP_MAXSIZE * boot_index; + INFO("FWU Enabled: boot_index %d\n", boot_index); + } else { + WARN("FWU Disabled: wrong boot_index value. Fallback to index 0.\n"); + } + + mmap_remove_dynamic_region(PLAT_SQ_BOOTIDX_BASE, PAGE_SIZE); + return 0; +} + +static int sq_io_memmap_setup(void) +{ + int ret; + + ret = sq_update_fip_spec(); + if (ret) { + return ret; + } + + ret = mmap_add_dynamic_region(sq_fip_spec.offset, sq_fip_spec.offset, + sq_fip_spec.length, MT_RO_DATA | MT_SECURE); + if (ret) { + return ret; + } + + ret = register_io_dev_memmap(&sq_backend_dev_con); + if (ret) { + return ret; + } + + return io_dev_open(sq_backend_dev_con, 0, &sq_backend_dev_handle); +} + +static int sq_io_fip_setup(void) +{ + int ret; + + ret = register_io_dev_fip(&sq_fip_dev_con); + if (ret) { + return ret; + } + + return io_dev_open(sq_fip_dev_con, 0, &sq_fip_dev_handle); +} + +int sq_io_setup(void) +{ + int ret; + + ret = sq_io_memmap_setup(); + if (ret) { + return ret; + } + + ret = sq_io_fip_setup(); + if (ret) { + return ret; + } + + return 0; +} + +int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, + uintptr_t *image_spec) +{ + uintptr_t init_params; + + assert(image_id < ARRAY_SIZE(sq_io_policies)); + + *dev_handle = *sq_io_policies[image_id].dev_handle; + *image_spec = sq_io_policies[image_id].image_spec; + init_params = sq_io_policies[image_id].init_params; + + return io_dev_init(*dev_handle, init_params); +} |