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Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
28 lines
813 B
C
28 lines
813 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* mach/sram.h - DaVinci simple SRAM allocator
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*
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* Copyright (C) 2009 David Brownell
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*/
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#ifndef __MACH_SRAM_H
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#define __MACH_SRAM_H
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/* ARBITRARY: SRAM allocations are multiples of this 2^N size */
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#define SRAM_GRANULARITY 512
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/*
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* SRAM allocations return a CPU virtual address, or NULL on error.
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* If a DMA address is requested and the SRAM supports DMA, its
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* mapped address is also returned.
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*
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* Errors include SRAM memory not being available, and requesting
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* DMA mapped SRAM on systems which don't allow that.
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*/
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extern void *sram_alloc(size_t len, dma_addr_t *dma);
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extern void sram_free(void *addr, size_t len);
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/* Get the struct gen_pool * for use in platform data */
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extern struct gen_pool *sram_get_gen_pool(void);
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#endif /* __MACH_SRAM_H */
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