diff options
Diffstat (limited to 'plat/layerscape/common/ls_io_storage.c')
-rw-r--r-- | plat/layerscape/common/ls_io_storage.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/plat/layerscape/common/ls_io_storage.c b/plat/layerscape/common/ls_io_storage.c deleted file mode 100644 index 71c2f45b3f..0000000000 --- a/plat/layerscape/common/ls_io_storage.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include <assert.h> - -#include <platform_def.h> - -#include <common/debug.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 <tools_share/firmware_image_package.h> - -/* IO devices */ -static const io_dev_connector_t *fip_dev_con; -static uintptr_t fip_dev_handle; -static const io_dev_connector_t *memmap_dev_con; -static uintptr_t memmap_dev_handle; - -static const io_block_spec_t fip_block_spec = { - .offset = PLAT_LS_FIP_BASE, - .length = PLAT_LS_FIP_MAX_SIZE -}; - -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 bl33_uuid_spec = { - .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33, -}; - -static int open_fip(const uintptr_t spec); -static int open_memmap(const uintptr_t spec); - -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[] = { - [FIP_IMAGE_ID] = { - &memmap_dev_handle, - (uintptr_t)&fip_block_spec, - open_memmap - }, - [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 - }, - [BL33_IMAGE_ID] = { - &fip_dev_handle, - (uintptr_t)&bl33_uuid_spec, - open_fip - }, -}; - -static int open_fip(const uintptr_t spec) -{ - int result; - uintptr_t local_image_handle; - - /* See if a Firmware Image Package is available */ - 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) { - VERBOSE("Using FIP\n"); - io_close(local_image_handle); - } - } - return result; -} - - -static int open_memmap(const uintptr_t spec) -{ - int result; - uintptr_t local_image_handle; - - result = io_dev_init(memmap_dev_handle, (uintptr_t)NULL); - if (result == 0) { - result = io_open(memmap_dev_handle, spec, &local_image_handle); - if (result == 0) { - VERBOSE("Using Memmap\n"); - io_close(local_image_handle); - } - } - return result; -} - - -void ls_io_setup(void) -{ - int io_result; - - io_result = register_io_dev_fip(&fip_dev_con); - assert(io_result == 0); - - io_result = register_io_dev_memmap(&memmap_dev_con); - assert(io_result == 0); - - /* Open connections to devices and cache the handles */ - io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL, - &fip_dev_handle); - assert(io_result == 0); - - io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL, - &memmap_dev_handle); - assert(io_result == 0); - - /* Ignore improbable errors in release builds */ - (void)io_result; -} - -void plat_ls_io_setup(void) -{ - ls_io_setup(); -} - -int plat_ls_get_alt_image_source( - unsigned int image_id __unused, - uintptr_t *dev_handle __unused, - uintptr_t *image_spec __unused) -{ - /* By default do not try an alternative */ - return -ENOENT; -} - -/* - * Return an IO device handle and specification which can be used to access - * an image. Use this to enforce platform load policy. - */ -int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle, - uintptr_t *image_spec) -{ - int result; - const struct plat_io_policy *policy; - - assert(image_id < ARRAY_SIZE(policies)); - - policy = &policies[image_id]; - result = policy->check(policy->image_spec); - if (result == 0) { - *image_spec = policy->image_spec; - *dev_handle = *(policy->dev_handle); - } else { - VERBOSE("Trying alternative IO\n"); - result = plat_ls_get_alt_image_source(image_id, dev_handle, - image_spec); - } - - return result; -} |