81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef MT_SYNC_WRITE_H
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#define MT_SYNC_WRITE_H
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#if defined(__KERNEL__)
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#include <linux/io.h>
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#include <asm/cacheflush.h>
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/*
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* Define macros.
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*/
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#define mt_reg_sync_writel(v, a) \
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do { \
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__raw_writel((v), (void __force __iomem *)((a))); \
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dsb(sy); \
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} while (0)
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#define mt_reg_sync_writew(v, a) \
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do { \
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__raw_writew((v), (void __force __iomem *)((a))); \
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dsb(sy); \
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} while (0)
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#define mt_reg_sync_writeb(v, a) \
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do { \
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__raw_writeb((v), (void __force __iomem *)((a))); \
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dsb(sy); \
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} while (0)
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#ifdef CONFIG_64BIT
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#define mt_reg_sync_writeq(v, a) \
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do { \
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__raw_writeq((v), (void __force __iomem *)((a))); \
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dsb(sy); \
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} while (0)
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#endif
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#else /* __KERNEL__ */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#define mt_reg_sync_writel(v, a) mt65xx_reg_sync_writel(v, a)
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#define mt_reg_sync_writew(v, a) mt65xx_reg_sync_writew(v, a)
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#define mt_reg_sync_writeb(v, a) mt65xx_reg_sync_writeb(v, a)
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#define dsb() \
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{ \
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__asm__ __volatile__("dsb sy" : : : "memory"); \
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}
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#define mt65xx_reg_sync_writel(v, a) \
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do { \
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*(volatile unsigned int *)(a) = (v); \
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dsb(); \
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} while (0)
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#define mt65xx_reg_sync_writew(v, a) \
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do { \
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*(volatile unsigned short *)(a) = (v); \
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dsb(); \
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} while (0)
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#define mt65xx_reg_sync_writeb(v, a) \
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do { \
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*(volatile unsigned char *)(a) = (v); \
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dsb(); \
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} while (0)
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#endif /* __KERNEL__ */
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#endif /* !MT_SYNC_WRITE_H */
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