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arm: K3: am654: Add support for boot device detection

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AM654 allows for booting from primary or backup boot media.
Both media can be chosen individually based on switch settings.
ROM looks for a valid image in primary boot media, if not found
then looks in backup boot media. In order to pass this boot media
information to boot loader, ROM stores a value at a particular
address. Add support for reading this information and determining
the boot media correctly.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Lokesh Vutla
2018-08-27 15:57:11 +05:30
committed by Tom Rini
parent f70b72e353
commit e00646099f
7 changed files with 148 additions and 2 deletions
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12
arch/arm/mach-k3/include/mach/hardware.h Normal file
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
* Lokesh Vutla <lokeshvutla@ti.com>
*/
#ifndef _ASM_ARCH_HARDWARE_H_
#define _ASM_ARCH_HARDWARE_H_
#ifdef CONFIG_SOC_K3_AM6
#include "am6_hardware.h"
#endif
#endif /* _ASM_ARCH_HARDWARE_H_ */