1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef __LINUX_GOLDFISH_H |
3 | #define __LINUX_GOLDFISH_H |
4 | |
5 | #include <linux/kernel.h> |
6 | #include <linux/types.h> |
7 | #include <linux/io.h> |
8 | |
9 | /* Helpers for Goldfish virtual platform */ |
10 | |
11 | #ifndef gf_ioread32 |
12 | #define gf_ioread32 ioread32 |
13 | #endif |
14 | #ifndef gf_iowrite32 |
15 | #define gf_iowrite32 iowrite32 |
16 | #endif |
17 | |
18 | static inline void gf_write_ptr(const void *ptr, void __iomem *portl, |
19 | void __iomem *porth) |
20 | { |
21 | const unsigned long addr = (unsigned long)ptr; |
22 | |
23 | gf_iowrite32(lower_32_bits(addr), portl); |
24 | #ifdef CONFIG_64BIT |
25 | gf_iowrite32(upper_32_bits(addr), porth); |
26 | #endif |
27 | } |
28 | |
29 | static inline void gf_write_dma_addr(const dma_addr_t addr, |
30 | void __iomem *portl, |
31 | void __iomem *porth) |
32 | { |
33 | gf_iowrite32(lower_32_bits(addr), portl); |
34 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
35 | gf_iowrite32(upper_32_bits(addr), porth); |
36 | #endif |
37 | } |
38 | |
39 | |
40 | #endif /* __LINUX_GOLDFISH_H */ |
41 |