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Diffstat (limited to '')
| -rw-r--r-- | plat/hisilicon/poplar/plat_storage.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/plat/hisilicon/poplar/plat_storage.c b/plat/hisilicon/poplar/plat_storage.c new file mode 100644 index 0000000..a17e0f1 --- /dev/null +++ b/plat/hisilicon/poplar/plat_storage.c @@ -0,0 +1,254 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <string.h> + +#include <platform_def.h> + +#include <arch_helpers.h> +#include <common/debug.h> +#include <common/tbbr/tbbr_img_def.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 <drivers/io/io_storage.h> +#include <drivers/mmc.h> +#include <drivers/partition/partition.h> +#include <lib/mmio.h> +#include <lib/semihosting.h> +#include <lib/utils.h> +#include <tools_share/firmware_image_package.h> + +#if !POPLAR_RECOVERY +static const io_dev_connector_t *emmc_dev_con; +static uintptr_t emmc_dev_handle; +static int open_emmc(const uintptr_t spec); + +static const io_block_spec_t emmc_fip_spec = { + .offset = FIP_BASE_EMMC, + .length = FIP_SIZE +}; + +static const io_block_dev_spec_t emmc_dev_spec = { + .buffer = { + .offset = POPLAR_EMMC_DATA_BASE, + .length = POPLAR_EMMC_DATA_SIZE, + }, + .ops = { + .read = mmc_read_blocks, + .write = mmc_write_blocks, + }, + .block_size = MMC_BLOCK_SIZE, +}; +#else +static const io_dev_connector_t *mmap_dev_con; +static uintptr_t mmap_dev_handle; +static int open_mmap(const uintptr_t spec); + +static const io_block_spec_t loader_fip_spec = { + .offset = FIP_BASE, + .length = FIP_SIZE +}; +#endif + +static const io_dev_connector_t *fip_dev_con; +static uintptr_t fip_dev_handle; +static int open_fip(const uintptr_t spec); + +static const io_uuid_spec_t bl2_uuid_spec = { + .uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2, +}; + +static const io_uuid_spec_t bl31_uuid_spec = { + .uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31, +}; + +static const io_uuid_spec_t bl32_uuid_spec = { + .uuid = UUID_SECURE_PAYLOAD_BL32, +}; + +static const io_uuid_spec_t bl32_extra1_uuid_spec = { + .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA1, +}; + +static const io_uuid_spec_t bl32_extra2_uuid_spec = { + .uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA2, +}; + +static const io_uuid_spec_t bl33_uuid_spec = { + .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33, +}; + +struct plat_io_policy { + uintptr_t *dev_handle; + uintptr_t image_spec; + int (*check)(const uintptr_t spec); +}; + +static const struct plat_io_policy policies[] = { +#if !POPLAR_RECOVERY + [FIP_IMAGE_ID] = { + &emmc_dev_handle, + (uintptr_t)&emmc_fip_spec, + open_emmc + }, +#else + [FIP_IMAGE_ID] = { + &mmap_dev_handle, + (uintptr_t)&loader_fip_spec, + open_mmap + }, +#endif + [BL2_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl2_uuid_spec, + open_fip + }, + [BL31_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl31_uuid_spec, + open_fip + }, + [BL32_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl32_uuid_spec, + open_fip + }, + [BL32_EXTRA1_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl32_extra1_uuid_spec, + open_fip + }, + [BL32_EXTRA2_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl32_extra2_uuid_spec, + open_fip + }, + [BL33_IMAGE_ID] = { + &fip_dev_handle, + (uintptr_t)&bl33_uuid_spec, + open_fip + }, +}; + +#if !POPLAR_RECOVERY +static int open_emmc(const uintptr_t spec) +{ + int result; + uintptr_t local_image_handle; + + result = io_dev_init(emmc_dev_handle, (uintptr_t)NULL); + if (result == 0) { + result = io_open(emmc_dev_handle, spec, &local_image_handle); + if (result == 0) { + INFO("Using eMMC\n"); + io_close(local_image_handle); + } else { + ERROR("error opening emmc\n"); + } + } else { + ERROR("error initializing emmc\n"); + } + + return result; +} +#else +static int open_mmap(const uintptr_t spec) +{ + int result; + uintptr_t local_image_handle; + + result = io_dev_init(mmap_dev_handle, (uintptr_t)NULL); + if (result == 0) { + result = io_open(mmap_dev_handle, spec, &local_image_handle); + if (result == 0) { + INFO("Using mmap\n"); + io_close(local_image_handle); + } else { + ERROR("error opening mmap\n"); + } + } else { + ERROR("error initializing mmap\n"); + } + + return result; +} +#endif + +static int open_fip(const uintptr_t spec) +{ + uintptr_t local_image_handle; + int result; + + result = io_dev_init(fip_dev_handle, (uintptr_t) FIP_IMAGE_ID); + if (result == 0) { + result = io_open(fip_dev_handle, spec, &local_image_handle); + if (result == 0) { + INFO("Using FIP\n"); + io_close(local_image_handle); + } else { + ERROR("error opening fip\n"); + } + } else { + ERROR("error initializing fip\n"); + } + + return result; +} + +int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, + uintptr_t *image_spec) +{ + const struct plat_io_policy *policy; + int result; + + assert(image_id < ARRAY_SIZE(policies)); + + policy = &policies[image_id]; + result = policy->check(policy->image_spec); + assert(result == 0); + + *image_spec = policy->image_spec; + *dev_handle = *(policy->dev_handle); + + return result; +} + +void plat_io_setup(void) +{ + int result; + +#if !POPLAR_RECOVERY + result = register_io_dev_block(&emmc_dev_con); +#else + result = register_io_dev_memmap(&mmap_dev_con); +#endif + assert(result == 0); + + result = register_io_dev_fip(&fip_dev_con); + assert(result == 0); + +#if !POPLAR_RECOVERY + result = io_dev_open(fip_dev_con, (uintptr_t)NULL, + &fip_dev_handle); +#else + result = io_dev_open(fip_dev_con, (uintptr_t)&loader_fip_spec, + &fip_dev_handle); +#endif + assert(result == 0); + +#if !POPLAR_RECOVERY + result = io_dev_open(emmc_dev_con, (uintptr_t)&emmc_dev_spec, + &emmc_dev_handle); +#else + result = io_dev_open(mmap_dev_con, (uintptr_t)NULL, &mmap_dev_handle); +#endif + assert(result == 0); + + (void) result; +} |