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/*
* 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;
}
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