xref: /openbmc/linux/include/linux/goldfish.h (revision 791d3ef2e11100449837dc0b6fe884e60ca3a484)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_GOLDFISH_H
3 #define __LINUX_GOLDFISH_H
4 
5 /* Helpers for Goldfish virtual platform */
6 
7 static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
8 				void __iomem *porth)
9 {
10 	writel((u32)(unsigned long)ptr, portl);
11 #ifdef CONFIG_64BIT
12 	writel((unsigned long)ptr >> 32, porth);
13 #endif
14 }
15 
16 static inline void gf_write_dma_addr(const dma_addr_t addr,
17 				     void __iomem *portl,
18 				     void __iomem *porth)
19 {
20 	writel((u32)addr, portl);
21 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
22 	writel(addr >> 32, porth);
23 #endif
24 }
25 
26 
27 #endif /* __LINUX_GOLDFISH_H */
28