upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/xtensa/lib/misc.S

178 lines
2.3 KiB

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Miscellaneous assembly functions.
*
* Copyright (C) 2001 - 2007 Tensilica Inc.
* Copyright (C) 2014 - 2016 Cadence Design Systems Inc.
*
* Chris Zankel <chris@zankel.net>
*/
#include <linux/linkage.h>
#include <asm/asmmacro.h>
#include <asm/cacheasm.h>
/*
* void __invalidate_icache_page(ulong start)
*/
ENTRY(__invalidate_icache_page)
abi_entry
___invalidate_icache_page a2 a3
isync
abi_ret
ENDPROC(__invalidate_icache_page)
/*
* void __invalidate_dcache_page(ulong start)
*/
ENTRY(__invalidate_dcache_page)
abi_entry
___invalidate_dcache_page a2 a3
dsync
abi_ret
ENDPROC(__invalidate_dcache_page)
/*
* void __flush_invalidate_dcache_page(ulong start)
*/
ENTRY(__flush_invalidate_dcache_page)
abi_entry
___flush_invalidate_dcache_page a2 a3
dsync
abi_ret
ENDPROC(__flush_invalidate_dcache_page)
/*
* void __flush_dcache_page(ulong start)
*/
ENTRY(__flush_dcache_page)
abi_entry
___flush_dcache_page a2 a3
dsync
abi_ret
ENDPROC(__flush_dcache_page)
/*
* void __invalidate_icache_range(ulong start, ulong size)
*/
ENTRY(__invalidate_icache_range)
abi_entry
___invalidate_icache_range a2 a3 a4
isync
abi_ret
ENDPROC(__invalidate_icache_range)
/*
* void __flush_invalidate_dcache_range(ulong start, ulong size)
*/
ENTRY(__flush_invalidate_dcache_range)
abi_entry
___flush_invalidate_dcache_range a2 a3 a4
dsync
abi_ret
ENDPROC(__flush_invalidate_dcache_range)
/*
* void _flush_dcache_range(ulong start, ulong size)
*/
ENTRY(__flush_dcache_range)
abi_entry
___flush_dcache_range a2 a3 a4
dsync
abi_ret
ENDPROC(__flush_dcache_range)
/*
* void _invalidate_dcache_range(ulong start, ulong size)
*/
ENTRY(__invalidate_dcache_range)
abi_entry
___invalidate_dcache_range a2 a3 a4
abi_ret
ENDPROC(__invalidate_dcache_range)
/*
* void _invalidate_icache_all(void)
*/
ENTRY(__invalidate_icache_all)
abi_entry
___invalidate_icache_all a2 a3
isync
abi_ret
ENDPROC(__invalidate_icache_all)
/*
* void _flush_invalidate_dcache_all(void)
*/
ENTRY(__flush_invalidate_dcache_all)
abi_entry
___flush_invalidate_dcache_all a2 a3
dsync
abi_ret
ENDPROC(__flush_invalidate_dcache_all)
/*
* void _invalidate_dcache_all(void)
*/
ENTRY(__invalidate_dcache_all)
abi_entry
___invalidate_dcache_all a2 a3
dsync
abi_ret
ENDPROC(__invalidate_dcache_all)