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40 lines
878 B
40 lines
878 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __LINUX_GOLDFISH_H |
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#define __LINUX_GOLDFISH_H |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <linux/io.h> |
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/* Helpers for Goldfish virtual platform */ |
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#ifndef gf_ioread32 |
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#define gf_ioread32 ioread32 |
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#endif |
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#ifndef gf_iowrite32 |
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#define gf_iowrite32 iowrite32 |
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#endif |
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static inline void gf_write_ptr(const void *ptr, void __iomem *portl, |
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void __iomem *porth) |
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{ |
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const unsigned long addr = (unsigned long)ptr; |
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gf_iowrite32(lower_32_bits(addr), portl); |
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#ifdef CONFIG_64BIT |
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gf_iowrite32(upper_32_bits(addr), porth); |
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#endif |
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} |
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static inline void gf_write_dma_addr(const dma_addr_t addr, |
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void __iomem *portl, |
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void __iomem *porth) |
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{ |
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gf_iowrite32(lower_32_bits(addr), portl); |
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#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
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gf_iowrite32(upper_32_bits(addr), porth); |
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#endif |
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} |
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#endif /* __LINUX_GOLDFISH_H */
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