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-rw-r--r--plat/socionext/uniphier/uniphier_io_storage.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/plat/socionext/uniphier/uniphier_io_storage.c b/plat/socionext/uniphier/uniphier_io_storage.c
new file mode 100644
index 0000000..92e15b0
--- /dev/null
+++ b/plat/socionext/uniphier/uniphier_io_storage.c
@@ -0,0 +1,373 @@
+/*
+ * 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);
+}