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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
425f3740 A |
2 | #ifndef __LINUX_GOLDFISH_H |
3 | #define __LINUX_GOLDFISH_H | |
4 | ||
68275680 | 5 | #include <linux/kernel.h> |
72755eed RK |
6 | #include <linux/types.h> |
7 | #include <linux/io.h> | |
8 | ||
425f3740 A |
9 | /* Helpers for Goldfish virtual platform */ |
10 | ||
2e2ac4a3 LV |
11 | #ifndef gf_ioread32 |
12 | #define gf_ioread32 ioread32 | |
13 | #endif | |
14 | #ifndef gf_iowrite32 | |
15 | #define gf_iowrite32 iowrite32 | |
16 | #endif | |
17 | ||
07d783fd PST |
18 | static inline void gf_write_ptr(const void *ptr, void __iomem *portl, |
19 | void __iomem *porth) | |
425f3740 | 20 | { |
68275680 RK |
21 | const unsigned long addr = (unsigned long)ptr; |
22 | ||
2e2ac4a3 | 23 | gf_iowrite32(lower_32_bits(addr), portl); |
8d9e9857 | 24 | #ifdef CONFIG_64BIT |
2e2ac4a3 | 25 | gf_iowrite32(upper_32_bits(addr), porth); |
425f3740 A |
26 | #endif |
27 | } | |
28 | ||
07d783fd PST |
29 | static inline void gf_write_dma_addr(const dma_addr_t addr, |
30 | void __iomem *portl, | |
31 | void __iomem *porth) | |
32 | { | |
2e2ac4a3 | 33 | gf_iowrite32(lower_32_bits(addr), portl); |
07d783fd | 34 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
2e2ac4a3 | 35 | gf_iowrite32(upper_32_bits(addr), porth); |
07d783fd PST |
36 | #endif |
37 | } | |
38 | ||
39 | ||
425f3740 | 40 | #endif /* __LINUX_GOLDFISH_H */ |