include/linux/goldfish.h

   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 */