blob: be7c941ff3246733418536434a59d31660f1442a [file] [log] [blame]
/*
* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <assert.h>
#include <debug.h>
#include <errno.h>
#include <firmware_image_package.h>
#include <io_block.h>
#include <io_driver.h>
#include <io_fip.h>
#include <io_memmap.h>
#include <io_storage.h>
#include <mmio.h>
#include <platform_def.h>
#include <semihosting.h> /* For FOPEN_MODE_... */
#include <string.h>
#include <ufs.h>
struct plat_io_policy {
uintptr_t *dev_handle;
uintptr_t image_spec;
int (*check)(const uintptr_t spec);
};
static const io_dev_connector_t *ufs_dev_con, *fip_dev_con;
static uintptr_t ufs_dev_handle, fip_dev_handle;
static int check_ufs(const uintptr_t spec);
static int check_fip(const uintptr_t spec);
size_t ufs_read_lun3_blks(int lba, uintptr_t buf, size_t size);
size_t ufs_write_lun3_blks(int lba, const uintptr_t buf, size_t size);
static const io_block_spec_t ufs_fip_spec = {
.offset = HIKEY960_FIP_BASE,
.length = HIKEY960_FIP_MAX_SIZE,
};
static const io_block_dev_spec_t ufs_dev_spec = {
/* It's used as temp buffer in block driver. */
.buffer = {
.offset = HIKEY960_UFS_DATA_BASE,
.length = HIKEY960_UFS_DATA_SIZE,
},
.ops = {
.read = ufs_read_lun3_blks,
.write = ufs_write_lun3_blks,
},
.block_size = UFS_BLOCK_SIZE,
};
static const io_uuid_spec_t scp_bl2_uuid_spec = {
.uuid = UUID_SCP_FIRMWARE_SCP_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,
};
static const struct plat_io_policy policies[] = {
[FIP_IMAGE_ID] = {
&ufs_dev_handle,
(uintptr_t)&ufs_fip_spec,
check_ufs
},
[SCP_BL2_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&scp_bl2_uuid_spec,
check_fip
},
[BL31_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl31_uuid_spec,
check_fip
},
[BL32_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl32_uuid_spec,
check_fip
},
[BL32_EXTRA1_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl32_extra1_uuid_spec,
check_fip
},
[BL32_EXTRA2_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl32_extra2_uuid_spec,
check_fip
},
[BL33_IMAGE_ID] = {
&fip_dev_handle,
(uintptr_t)&bl33_uuid_spec,
check_fip
}
};
static int check_ufs(const uintptr_t spec)
{
int result;
uintptr_t local_handle;
result = io_dev_init(ufs_dev_handle, (uintptr_t)NULL);
if (result == 0) {
result = io_open(ufs_dev_handle, spec, &local_handle);
if (result == 0)
io_close(local_handle);
}
return result;
}
static int check_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;
}
void hikey960_io_setup(void)
{
int result;
result = register_io_dev_block(&ufs_dev_con);
assert(result == 0);
result = register_io_dev_fip(&fip_dev_con);
assert(result == 0);
result = io_dev_open(ufs_dev_con, (uintptr_t)&ufs_dev_spec,
&ufs_dev_handle);
assert(result == 0);
result = io_dev_open(fip_dev_con, (uintptr_t)NULL, &fip_dev_handle);
assert(result == 0);
/* Ignore improbable errors in release builds */
(void)result;
}
/* 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);
assert(result == 0);
*image_spec = policy->image_spec;
*dev_handle = *(policy->dev_handle);
return result;
}
size_t ufs_read_lun3_blks(int lba, uintptr_t buf, size_t size)
{
return ufs_read_blocks(3, lba, buf, size);
}
size_t ufs_write_lun3_blks(int lba, const uintptr_t buf, size_t size)
{
return ufs_write_blocks(3, lba, buf, size);
}