4 * Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
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9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of Freescale Semiconductor nor the
14 * names of its contributors may be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
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19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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29 #include <fsl_qbman_base.h>
32 #if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && \
33 (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
34 #error "Unknown endianness!"
37 /* The platform-independent code shouldn't need endianness, except for
38 * weird/fast-path cases like qbman_result_has_token(), which needs to
39 * perform a passive and endianness-specific test on a read-only data structure
40 * very quickly. It's an exception, and this symbol is used for that case.
42 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
43 #define DQRR_TOK_OFFSET 0
44 #define QBMAN_RESULT_VERB_OFFSET_IN_MEM 24
45 #define SCN_STATE_OFFSET_IN_MEM 8
46 #define SCN_RID_OFFSET_IN_MEM 8
48 #define DQRR_TOK_OFFSET 24
49 #define QBMAN_RESULT_VERB_OFFSET_IN_MEM 0
50 #define SCN_STATE_OFFSET_IN_MEM 16
51 #define SCN_RID_OFFSET_IN_MEM 0
54 /* Similarly-named functions */
55 #define upper32(a) upper_32_bits(a)
56 #define lower32(a) lower_32_bits(a)
61 #define dcbz(p) { asm volatile("dc zva, %0" : : "r" (p) : "memory"); }
62 #define lwsync() { asm volatile("dmb st" : : : "memory"); }
63 #define dcbf(p) { asm volatile("dc cvac, %0" : : "r"(p) : "memory"); }
64 #define dccivac(p) { asm volatile("dc civac, %0" : : "r"(p) : "memory"); }
65 static inline void prefetch_for_load(void *p)
67 asm volatile("prfm pldl1keep, [%0, #64]" : : "r" (p));
70 static inline void prefetch_for_store(void *p)
72 asm volatile("prfm pstl1keep, [%0, #64]" : : "r" (p));