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rpi3: Move rng driver to drivers 

To allow sharing the driver between the RPi3 and RPi4, move the random
number generator driver into the generic driver directory.

Change-Id: Iae94d7cb22c6bce3af9bff709d76d4caf87b14d1
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Andre Przywara 2019-07-09 14:29:24 +01:00
parent c00311893d
commit 990ab78e78
4 changed files with 15 additions and 6 deletions
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0
plat/rpi/rpi3/rpi3_rng.c → drivers/rpi3/rng/rpi3_rng.c
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12
include/drivers/rpi3/rng/rpi3_rng.h Normal file
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@ -0,0 +1,12 @@
/*
* Copyright (c) 2019, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef RPI3_RNG_H
#define RPI3_RNG_H
void rpi3_rng_read(void *buf, size_t len);
#endif

4
plat/rpi/rpi3/platform.mk
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@ -1,5 +1,5 @@
#
# Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -159,7 +159,7 @@ ifeq (${ARCH},aarch32)
endif
ifneq ($(ENABLE_STACK_PROTECTOR), 0)
PLAT_BL_COMMON_SOURCES += plat/rpi/rpi3/rpi3_rng.c \
PLAT_BL_COMMON_SOURCES += drivers/rpi3/rng/rpi3_rng.c \
plat/rpi/rpi3/rpi3_stack_protector.c
endif

5
plat/rpi/rpi3/rpi3_private.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -33,9 +33,6 @@ uint32_t rpi3_get_spsr_for_bl33_entry(void);
/* IO storage utility functions */
void plat_rpi3_io_setup(void);
/* Hardware RNG functions */
void rpi3_rng_read(void *buf, size_t len);
/* VideoCore firmware commands */
int rpi3_vc_hardware_get_board_revision(uint32_t *revision);