From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/crypto/ccree/cc_sram_mgr.h | 52 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 drivers/crypto/ccree/cc_sram_mgr.h (limited to 'drivers/crypto/ccree/cc_sram_mgr.h') diff --git a/drivers/crypto/ccree/cc_sram_mgr.h b/drivers/crypto/ccree/cc_sram_mgr.h new file mode 100644 index 000000000..1c965ef83 --- /dev/null +++ b/drivers/crypto/ccree/cc_sram_mgr.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ + +#ifndef __CC_SRAM_MGR_H__ +#define __CC_SRAM_MGR_H__ + +#ifndef CC_CC_SRAM_SIZE +#define CC_CC_SRAM_SIZE 4096 +#endif + +struct cc_drvdata; + +#define NULL_SRAM_ADDR ((u32)-1) + +/** + * cc_sram_mgr_init() - Initializes SRAM pool. + * The first X bytes of SRAM are reserved for ROM usage, hence, pool + * starts right after X bytes. + * + * @drvdata: Associated device driver context + * + * Return: + * Zero for success, negative value otherwise. + */ +int cc_sram_mgr_init(struct cc_drvdata *drvdata); + +/** + * cc_sram_alloc() - Allocate buffer from SRAM pool. + * + * @drvdata: Associated device driver context + * @size: The requested bytes to allocate + * + * Return: + * Address offset in SRAM or NULL_SRAM_ADDR for failure. + */ +u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size); + +/** + * cc_set_sram_desc() - Create const descriptors sequence to + * set values in given array into SRAM. + * Note: each const value can't exceed word size. + * + * @src: A pointer to array of words to set as consts. + * @dst: The target SRAM buffer to set into + * @nelement: The number of words in "src" array + * @seq: A pointer to the given IN/OUT descriptor sequence + * @seq_len: A pointer to the given IN/OUT sequence length + */ +void cc_set_sram_desc(const u32 *src, u32 dst, unsigned int nelement, + struct cc_hw_desc *seq, unsigned int *seq_len); + +#endif /*__CC_SRAM_MGR_H__*/ -- cgit v1.2.3