forked from mirrors/linux
da31de35cd
gf_early_console_putchar() uses __raw_writel() but the standard driver uses writel()/readl(). This means we can't use both on the same machine as the device is either big-endian, little-endian or native-endian. As android implementation defines the endianness of the device is the one of the architecture replace all writel()/readl() by __raw_writel()/__raw_readl() https://android.googlesource.com/platform/external/qemu/+/refs/heads/emu-master-dev/hw/char/goldfish_tty.c#222 Signed-off-by: Laurent Vivier <laurent@vivier.eu> Link: https://lore.kernel.org/r/20201010004749.1201695-1-laurent@vivier.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
33 lines
762 B
C
33 lines
762 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_GOLDFISH_H
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#define __LINUX_GOLDFISH_H
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/io.h>
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/* Helpers for Goldfish virtual platform */
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static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
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void __iomem *porth)
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{
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const unsigned long addr = (unsigned long)ptr;
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__raw_writel(lower_32_bits(addr), portl);
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#ifdef CONFIG_64BIT
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__raw_writel(upper_32_bits(addr), porth);
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#endif
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}
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static inline void gf_write_dma_addr(const dma_addr_t addr,
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void __iomem *portl,
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void __iomem *porth)
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{
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__raw_writel(lower_32_bits(addr), portl);
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#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
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__raw_writel(upper_32_bits(addr), porth);
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#endif
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}
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#endif /* __LINUX_GOLDFISH_H */
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