include/linux/goldfish.h

   1 #ifndef __LINUX_GOLDFISH_H
   2 #define __LINUX_GOLDFISH_H
   3
   4 #include <linux/types.h>
   5 #include <linux/io.h>
   6
   7 /* Helpers for Goldfish virtual platform */
   8
   9 static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
  10                                 void __iomem *porth)
  11 {
  12         const uintptr_t addr = (uintptr_t)ptr;
  13
  14         writel((u32)addr, portl);
  15 #ifdef CONFIG_64BIT
  16         writel(addr >> 32, porth);
  17 #endif
  18 }
  19
  20 static inline void gf_write_dma_addr(const dma_addr_t addr,
  21                                      void __iomem *portl,
  22                                      void __iomem *porth)
  23 {
  24         writel((u32)addr, portl);
  25 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
  26         writel(addr >> 32, porth);
  27 #endif
  28 }
  29
  30
  31 #endif /* __LINUX_GOLDFISH_H */