feat(drivers/st): manage boot part in io_mmc
Use dedicated read function for boot partition
Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com>
Change-Id: If75df7691fce0797205365736fc6e4e3429efdca
diff --git a/drivers/st/io/io_mmc.c b/drivers/st/io/io_mmc.c
index 0ed7154..2bf88e6 100644
--- a/drivers/st/io/io_mmc.c
+++ b/drivers/st/io/io_mmc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -29,6 +29,7 @@
static io_type_t device_type_mmc(void);
static signed long long seek_offset;
+static size_t (*_read_blocks)(int lba, uintptr_t buf, size_t size);
static const io_dev_connector_t mmc_dev_connector = {
.dev_open = mmc_dev_open
@@ -60,9 +61,15 @@
/* Open a connection to the mmc device */
static int mmc_dev_open(const uintptr_t init_params, io_dev_info_t **dev_info)
{
+ struct io_mmc_dev_spec *device_spec =
+ (struct io_mmc_dev_spec *)init_params;
+
assert(dev_info != NULL);
*dev_info = (io_dev_info_t *)&mmc_dev_info;
+ _read_blocks = !device_spec->use_boot_part ?
+ mmc_read_blocks : mmc_boot_part_read_blocks;
+
return 0;
}
@@ -100,8 +107,8 @@
uint8_t retries;
for (retries = 0U; retries < 3U; retries++) {
- *length_read = mmc_read_blocks(seek_offset / MMC_BLOCK_SIZE,
- buffer, length);
+ *length_read = _read_blocks(seek_offset / MMC_BLOCK_SIZE,
+ buffer, length);
if (*length_read == length) {
return 0;
diff --git a/include/drivers/st/io_mmc.h b/include/drivers/st/io_mmc.h
index b35b4b5..6179e89 100644
--- a/include/drivers/st/io_mmc.h
+++ b/include/drivers/st/io_mmc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -9,6 +9,10 @@
#include <drivers/io/io_driver.h>
+struct io_mmc_dev_spec {
+ bool use_boot_part;
+};
+
int register_io_dev_mmc(const io_dev_connector_t **dev_con);
#endif /* IO_MMC_H */