diff options
Diffstat (limited to 'drivers/bus/fslmc/qbman/qbman_sys_decl.h')
| -rw-r--r-- | drivers/bus/fslmc/qbman/qbman_sys_decl.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/bus/fslmc/qbman/qbman_sys_decl.h b/drivers/bus/fslmc/qbman/qbman_sys_decl.h new file mode 100644 index 00000000..e52f5ed2 --- /dev/null +++ b/drivers/bus/fslmc/qbman/qbman_sys_decl.h @@ -0,0 +1,73 @@ +/*- + * BSD LICENSE + * + * Copyright (C) 2014-2016 Freescale Semiconductor, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <compat.h> +#include <fsl_qbman_base.h> + +/* Sanity check */ +#if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && \ + (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__) +#error "Unknown endianness!" +#endif + +/* The platform-independent code shouldn't need endianness, except for + * weird/fast-path cases like qbman_result_has_token(), which needs to + * perform a passive and endianness-specific test on a read-only data structure + * very quickly. It's an exception, and this symbol is used for that case. + */ +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#define DQRR_TOK_OFFSET 0 +#define QBMAN_RESULT_VERB_OFFSET_IN_MEM 24 +#define SCN_STATE_OFFSET_IN_MEM 8 +#define SCN_RID_OFFSET_IN_MEM 8 +#else +#define DQRR_TOK_OFFSET 24 +#define QBMAN_RESULT_VERB_OFFSET_IN_MEM 0 +#define SCN_STATE_OFFSET_IN_MEM 16 +#define SCN_RID_OFFSET_IN_MEM 0 +#endif + +/* Similarly-named functions */ +#define upper32(a) upper_32_bits(a) +#define lower32(a) lower_32_bits(a) + + /****************/ + /* arch assists */ + /****************/ +#define dcbz(p) { asm volatile("dc zva, %0" : : "r" (p) : "memory"); } +#define lwsync() { asm volatile("dmb st" : : : "memory"); } +#define dcbf(p) { asm volatile("dc cvac, %0" : : "r"(p) : "memory"); } +#define dccivac(p) { asm volatile("dc civac, %0" : : "r"(p) : "memory"); } +static inline void prefetch_for_load(void *p) +{ + asm volatile("prfm pldl1keep, [%0, #64]" : : "r" (p)); +} + +static inline void prefetch_for_store(void *p) +{ + asm volatile("prfm pstl1keep, [%0, #64]" : : "r" (p)); +} |