aboutsummaryrefslogtreecommitdiff
path: root/drivers/st/io/io_mmc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/st/io/io_mmc.c')
-rw-r--r--drivers/st/io/io_mmc.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/drivers/st/io/io_mmc.c b/drivers/st/io/io_mmc.c
deleted file mode 100644
index 0ed71540c3..0000000000
--- a/drivers/st/io/io_mmc.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-
-#include <common/debug.h>
-#include <drivers/io/io_driver.h>
-#include <drivers/io/io_storage.h>
-#include <drivers/mmc.h>
-#include <drivers/st/io_mmc.h>
-#include <drivers/st/stm32_sdmmc2.h>
-
-/* SDMMC device functions */
-static int mmc_dev_open(const uintptr_t init_params, io_dev_info_t **dev_info);
-static int mmc_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
- io_entity_t *entity);
-static int mmc_dev_init(io_dev_info_t *dev_info, const uintptr_t init_params);
-static int mmc_block_seek(io_entity_t *entity, int mode,
- signed long long offset);
-static int mmc_block_read(io_entity_t *entity, uintptr_t buffer, size_t length,
- size_t *length_read);
-static int mmc_block_close(io_entity_t *entity);
-static int mmc_dev_close(io_dev_info_t *dev_info);
-static io_type_t device_type_mmc(void);
-
-static signed long long seek_offset;
-
-static const io_dev_connector_t mmc_dev_connector = {
- .dev_open = mmc_dev_open
-};
-
-static const io_dev_funcs_t mmc_dev_funcs = {
- .type = device_type_mmc,
- .open = mmc_block_open,
- .seek = mmc_block_seek,
- .size = NULL,
- .read = mmc_block_read,
- .write = NULL,
- .close = mmc_block_close,
- .dev_init = mmc_dev_init,
- .dev_close = mmc_dev_close,
-};
-
-static const io_dev_info_t mmc_dev_info = {
- .funcs = &mmc_dev_funcs,
- .info = 0,
-};
-
-/* Identify the device type as mmc device */
-static io_type_t device_type_mmc(void)
-{
- return IO_TYPE_MMC;
-}
-
-/* Open a connection to the mmc device */
-static int mmc_dev_open(const uintptr_t init_params, io_dev_info_t **dev_info)
-{
- assert(dev_info != NULL);
- *dev_info = (io_dev_info_t *)&mmc_dev_info;
-
- return 0;
-}
-
-static int mmc_dev_init(io_dev_info_t *dev_info, const uintptr_t init_params)
-{
- return 0;
-}
-
-/* Close a connection to the mmc device */
-static int mmc_dev_close(io_dev_info_t *dev_info)
-{
- return 0;
-}
-
-/* Open a file on the mmc device */
-static int mmc_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
- io_entity_t *entity)
-{
- seek_offset = 0;
- return 0;
-}
-
-/* Seek to a particular file offset on the mmc device */
-static int mmc_block_seek(io_entity_t *entity, int mode,
- signed long long offset)
-{
- seek_offset = offset;
- return 0;
-}
-
-/* Read data from a file on the mmc device */
-static int mmc_block_read(io_entity_t *entity, uintptr_t buffer,
- size_t length, size_t *length_read)
-{
- uint8_t retries;
-
- for (retries = 0U; retries < 3U; retries++) {
- *length_read = mmc_read_blocks(seek_offset / MMC_BLOCK_SIZE,
- buffer, length);
-
- if (*length_read == length) {
- return 0;
- }
- WARN("%s: length_read = %lu (!= %lu), retry %u\n", __func__,
- (unsigned long)*length_read, (unsigned long)length,
- retries + 1U);
- }
-
- return -EIO;
-}
-
-/* Close a file on the mmc device */
-static int mmc_block_close(io_entity_t *entity)
-{
- return 0;
-}
-
-/* Register the mmc driver with the IO abstraction */
-int register_io_dev_mmc(const io_dev_connector_t **dev_con)
-{
- int result;
-
- assert(dev_con != NULL);
-
- result = io_register_device(&mmc_dev_info);
- if (result == 0) {
- *dev_con = &mmc_dev_connector;
- }
-
- return result;
-}