^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*******************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * This file is part of the Emulex Linux Device Driver for *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Fibre Channel Host Bus Adapters. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2004-2011 Emulex. All rights reserved. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * EMULEX and SLI are trademarks of Emulex. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * www.broadcom.com *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * This program is free software; you can redistribute it and/or *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * modify it under the terms of version 2 of the GNU General *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Public License as published by the Free Software Foundation. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * TO BE LEGALLY INVALID. See the GNU General Public License for *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * more details, a copy of which can be found in the file COPYING *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * included with this package. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *******************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * This file provides macros to aid compilation in the Linux 2.4 kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * over various platform architectures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /*******************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) Note: HBA's SLI memory contains little-endian LW.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) Thus to access it from a little-endian host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) memcpy_toio() and memcpy_fromio() can be used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) However on a big-endian host, copy 4 bytes at a time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) using writel() and readl().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *******************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #ifdef __BIG_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) lpfc_memcpy_to_slim(void __iomem *dest, void *src, unsigned int bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) uint32_t __iomem *dest32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) uint32_t *src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) unsigned int four_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) dest32 = (uint32_t __iomem *) dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) src32 = (uint32_t *) src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* write input bytes, 4 bytes at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) writel( *src32, dest32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) readl(dest32); /* flush */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) dest32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) uint32_t *dest32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) uint32_t __iomem *src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) unsigned int four_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) dest32 = (uint32_t *) dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) src32 = (uint32_t __iomem *) src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* read input bytes, 4 bytes at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) *dest32 = readl( src32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) dest32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) lpfc_memcpy_to_slim( void __iomem *dest, void *src, unsigned int bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* convert bytes in argument list to word count for copy function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) __iowrite32_copy(dest, src, bytes / sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* actually returns 1 byte past dest */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) memcpy_fromio( dest, src, bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #endif /* __BIG_ENDIAN */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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