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/*
* Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <platform_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 <lib/utils_def.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <tools_share/firmware_image_package.h>
#include "uniphier.h"
#define UNIPHIER_ROM_REGION_BASE 0x00000000ULL
#define UNIPHIER_ROM_REGION_SIZE 0x04000000ULL
#define UNIPHIER_OCM_REGION_SIZE 0x00040000ULL
#define UNIPHIER_BLOCK_BUF_OFFSET 0x03000000UL
#define UNIPHIER_BLOCK_BUF_SIZE 0x00800000UL
static const io_dev_connector_t *uniphier_fip_dev_con;
static uintptr_t uniphier_fip_dev_handle;
static const io_dev_connector_t *uniphier_backend_dev_con;
static uintptr_t uniphier_backend_dev_handle;
static io_block_spec_t uniphier_fip_spec = {
/* .offset will be set by the io_setup func */
.length = 0x00200000,
};
static const io_uuid_spec_t uniphier_bl2_spec = {
.uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2,
};
static const io_uuid_spec_t uniphier_scp_spec = {
.uuid = UUID_SCP_FIRMWARE_SCP_BL2,
};
static const io_uuid_spec_t uniphier_bl31_spec = {
.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
};
static const io_uuid_spec_t uniphier_bl32_spec = {
.uuid = UUID_SECURE_PAYLOAD_BL32,
};
static const io_uuid_spec_t uniphier_bl33_spec = {
.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
};
#if TRUSTED_BOARD_BOOT
static const io_uuid_spec_t uniphier_tb_fw_cert_spec = {
.uuid = UUID_TRUSTED_BOOT_FW_CERT,
};
static const io_uuid_spec_t uniphier_trusted_key_cert_spec = {
.uuid = UUID_TRUSTED_KEY_CERT,
};
static const io_uuid_spec_t uniphier_scp_fw_key_cert_spec = {
.uuid = UUID_SCP_FW_KEY_CERT,
};
static const io_uuid_spec_t uniphier_soc_fw_key_cert_spec = {
.uuid = UUID_SOC_FW_KEY_CERT,
};
static const io_uuid_spec_t uniphier_tos_fw_key_cert_spec = {
.uuid = UUID_TRUSTED_OS_FW_KEY_CERT,
};
static const io_uuid_spec_t uniphier_nt_fw_key_cert_spec = {
.uuid = UUID_NON_TRUSTED_FW_KEY_CERT,
};
static const io_uuid_spec_t uniphier_scp_fw_cert_spec = {
.uuid = UUID_SCP_FW_CONTENT_CERT,
};
static const io_uuid_spec_t uniphier_soc_fw_cert_spec = {
.uuid = UUID_SOC_FW_CONTENT_CERT,
};
static const io_uuid_spec_t uniphier_tos_fw_cert_spec = {
.uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT,
};
static const io_uuid_spec_t uniphier_nt_fw_cert_spec = {
.uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT,
};
#endif /* TRUSTED_BOARD_BOOT */
struct uniphier_io_policy {
uintptr_t *dev_handle;
uintptr_t image_spec;
uintptr_t init_params;
};
static const struct uniphier_io_policy uniphier_io_policies[] = {
[FIP_IMAGE_ID] = {
.dev_handle = &uniphier_backend_dev_handle,
.image_spec = (uintptr_t)&uniphier_fip_spec,
},
[BL2_IMAGE_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_bl2_spec,
.init_params = FIP_IMAGE_ID,
},
[SCP_BL2_IMAGE_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_scp_spec,
.init_params = FIP_IMAGE_ID,
},
[BL31_IMAGE_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_bl31_spec,
.init_params = FIP_IMAGE_ID,
},
[BL32_IMAGE_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_bl32_spec,
.init_params = FIP_IMAGE_ID,
},
[BL33_IMAGE_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_bl33_spec,
.init_params = FIP_IMAGE_ID,
},
#if TRUSTED_BOARD_BOOT
[TRUSTED_BOOT_FW_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_tb_fw_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[TRUSTED_KEY_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_trusted_key_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[SCP_FW_KEY_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_scp_fw_key_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[SOC_FW_KEY_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_soc_fw_key_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[TRUSTED_OS_FW_KEY_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_tos_fw_key_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[NON_TRUSTED_FW_KEY_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_nt_fw_key_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[SCP_FW_CONTENT_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_scp_fw_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[SOC_FW_CONTENT_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_soc_fw_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_tos_fw_cert_spec,
.init_params = FIP_IMAGE_ID,
},
[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
.dev_handle = &uniphier_fip_dev_handle,
.image_spec = (uintptr_t)&uniphier_nt_fw_cert_spec,
.init_params = FIP_IMAGE_ID,
},
#endif
};
static int uniphier_io_block_setup(size_t fip_offset,
struct io_block_dev_spec *block_dev_spec,
size_t buffer_offset)
{
int ret;
uniphier_fip_spec.offset = fip_offset;
block_dev_spec->buffer.offset = buffer_offset;
block_dev_spec->buffer.length = UNIPHIER_BLOCK_BUF_SIZE;
ret = mmap_add_dynamic_region(block_dev_spec->buffer.offset,
block_dev_spec->buffer.offset,
block_dev_spec->buffer.length,
MT_MEMORY | MT_RW | MT_NS);
if (ret)
return ret;
ret = register_io_dev_block(&uniphier_backend_dev_con);
if (ret)
return ret;
return io_dev_open(uniphier_backend_dev_con, (uintptr_t)block_dev_spec,
&uniphier_backend_dev_handle);
}
static int uniphier_io_memmap_setup(size_t fip_offset)
{
int ret;
uniphier_fip_spec.offset = fip_offset;
ret = mmap_add_dynamic_region(fip_offset, fip_offset,
uniphier_fip_spec.length,
MT_RO_DATA | MT_SECURE);
if (ret)
return ret;
ret = register_io_dev_memmap(&uniphier_backend_dev_con);
if (ret)
return ret;
return io_dev_open(uniphier_backend_dev_con, 0,
&uniphier_backend_dev_handle);
}
static int uniphier_io_fip_setup(void)
{
int ret;
ret = register_io_dev_fip(&uniphier_fip_dev_con);
if (ret)
return ret;
return io_dev_open(uniphier_fip_dev_con, 0, &uniphier_fip_dev_handle);
}
static int uniphier_io_emmc_setup(unsigned int soc, size_t buffer_offset)
{
struct io_block_dev_spec *block_dev_spec;
int ret;
ret = uniphier_emmc_init(soc, &block_dev_spec);
if (ret)
return ret;
return uniphier_io_block_setup(0x20000, block_dev_spec, buffer_offset);
}
static int uniphier_io_nand_setup(unsigned int soc, size_t buffer_offset)
{
struct io_block_dev_spec *block_dev_spec;
int ret;
ret = uniphier_nand_init(soc, &block_dev_spec);
if (ret)
return ret;
return uniphier_io_block_setup(0x20000, block_dev_spec, buffer_offset);
}
static int uniphier_io_nor_setup(unsigned int soc_id, size_t buffer_offset)
{
return uniphier_io_memmap_setup(0x70000);
}
static const uintptr_t uniphier_ocm_base[] = {
[UNIPHIER_SOC_LD11] = 0x30000000,
[UNIPHIER_SOC_LD20] = 0x30000000,
[UNIPHIER_SOC_PXS3] = 0x30000000,
};
static int uniphier_io_rom_api_setup(unsigned int soc)
{
uintptr_t ocm_base;
int ret;
assert(soc < ARRAY_SIZE(uniphier_ocm_base));
ocm_base = uniphier_ocm_base[soc];
ret = mmap_add_dynamic_region(UNIPHIER_ROM_REGION_BASE,
UNIPHIER_ROM_REGION_BASE,
UNIPHIER_ROM_REGION_SIZE,
MT_CODE | MT_SECURE);
if (ret)
return ret;
/*
* on-chip SRAM region: should be DEVICE attribute because the USB
* load functions provided by the ROM use this memory region as a work
* area, but do not cater to cache coherency.
*/
ret = mmap_add_dynamic_region(ocm_base, ocm_base,
UNIPHIER_OCM_REGION_SIZE,
MT_DEVICE | MT_RW | MT_SECURE);
if (ret)
return ret;
return 0;
}
static int uniphier_io_usb_setup(unsigned int soc, size_t buffer_offset)
{
struct io_block_dev_spec *block_dev_spec;
int ret;
/* use ROM API for loading images from USB storage */
ret = uniphier_io_rom_api_setup(soc);
if (ret)
return ret;
ret = uniphier_usb_init(soc, &block_dev_spec);
if (ret)
return ret;
return uniphier_io_block_setup(0x20000, block_dev_spec, buffer_offset);
}
static int (* const uniphier_io_setup_table[])(unsigned int, size_t) = {
[UNIPHIER_BOOT_DEVICE_EMMC] = uniphier_io_emmc_setup,
[UNIPHIER_BOOT_DEVICE_NAND] = uniphier_io_nand_setup,
[UNIPHIER_BOOT_DEVICE_NOR] = uniphier_io_nor_setup,
[UNIPHIER_BOOT_DEVICE_USB] = uniphier_io_usb_setup,
};
int uniphier_io_setup(unsigned int soc_id, uintptr_t mem_base)
{
int (*io_setup)(unsigned int soc_id, size_t buffer_offset);
unsigned int boot_dev;
int ret;
boot_dev = uniphier_get_boot_device(soc_id);
if (boot_dev == UNIPHIER_BOOT_DEVICE_RSV)
return -EINVAL;
io_setup = uniphier_io_setup_table[boot_dev];
ret = io_setup(soc_id, mem_base + UNIPHIER_BLOCK_BUF_OFFSET);
if (ret)
return ret;
ret = uniphier_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(uniphier_io_policies));
*dev_handle = *uniphier_io_policies[image_id].dev_handle;
*image_spec = uniphier_io_policies[image_id].image_spec;
init_params = uniphier_io_policies[image_id].init_params;
return io_dev_init(*dev_handle, init_params);
}
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