summaryrefslogblamecommitdiffstats
path: root/include/linux/goldfish.h
blob: 159b4191f15d8b3515257b345460b6418b19f880 (plain) (tree)
1
2
3
4
5
6
7
8
9
                                      


                          


                        

                                           

                                                                     
 
                                               
                   
                                                


      










                                                           
                               
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H

#include <linux/types.h>
#include <linux/io.h>

/* Helpers for Goldfish virtual platform */

static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
				void __iomem *porth)
{
	writel((u32)(unsigned long)ptr, portl);
#ifdef CONFIG_64BIT
	writel((unsigned long)ptr >> 32, porth);
#endif
}

static inline void gf_write_dma_addr(const dma_addr_t addr,
				     void __iomem *portl,
				     void __iomem *porth)
{
	writel((u32)addr, portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	writel(addr >> 32, porth);
#endif
}


#endif /* __LINUX_GOLDFISH_H */