swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
Raw File
Tip revision: 136057256686de39cc3a07c2e39ef6bc43003ff6 authored by Linus Torvalds on 21 November 2021, 21:47:39 UTC
Linux 5.16-rc2
Tip revision: 1360572
goldfish.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H

#include <linux/kernel.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)
{
	const unsigned long addr = (unsigned long)ptr;

	__raw_writel(lower_32_bits(addr), portl);
#ifdef CONFIG_64BIT
	__raw_writel(upper_32_bits(addr), porth);
#endif
}

static inline void gf_write_dma_addr(const dma_addr_t addr,
				     void __iomem *portl,
				     void __iomem *porth)
{
	__raw_writel(lower_32_bits(addr), portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	__raw_writel(upper_32_bits(addr), porth);
#endif
}


#endif /* __LINUX_GOLDFISH_H */
back to top