From 3ee8b750f49b7c82e8b8787ee306017746e8c12a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Sun, 3 Mar 2019 00:35:15 +0200 Subject: arch/io.h: Separate MMIO and PNP ops MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Ie32f1d43168c277be46cdbd7fbfa2445d9899689 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/31699 Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- src/arch/arm64/include/armv8/arch/io.h | 88 ------------------------------- src/arch/arm64/include/armv8/arch/mmio.h | 89 ++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 88 deletions(-) delete mode 100644 src/arch/arm64/include/armv8/arch/io.h create mode 100644 src/arch/arm64/include/armv8/arch/mmio.h (limited to 'src/arch/arm64') diff --git a/src/arch/arm64/include/armv8/arch/io.h b/src/arch/arm64/include/armv8/arch/io.h deleted file mode 100644 index 31615f736f..0000000000 --- a/src/arch/arm64/include/armv8/arch/io.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Originally imported from linux/include/asm-arm/io.h. This file has changed - * substantially since then. - * - * Copyright 2014 Google Inc. - * Copyright (C) 1996-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Modifications: - * 08-Apr-2013 G Replaced several macros with inlines for type safety. - * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both - * constant addresses and variable addresses. - * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture - * specific IO header files. - * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. - * 04-Apr-1999 PJB Added check_signature. - * 12-Dec-1999 RMK More cleanups - * 18-Jun-2000 RMK Removed virt_to_* and friends definitions - */ -#ifndef __ARCH_IO_H -#define __ARCH_IO_H - -#include -#include -#include -#include - -static inline uint8_t read8(const void *addr) -{ - dmb(); - return *(volatile uint8_t *)addr; -} - -static inline uint16_t read16(const void *addr) -{ - dmb(); - return *(volatile uint16_t *)addr; -} - -static inline uint32_t read32(const void *addr) -{ - dmb(); - return *(volatile uint32_t *)addr; -} - -static inline uint64_t read64(const void *addr) -{ - dmb(); - return *(volatile uint64_t *)addr; -} - -static inline void write8(void *addr, uint8_t val) -{ - dmb(); - *(volatile uint8_t *)addr = val; - dmb(); -} - -static inline void write16(void *addr, uint16_t val) -{ - dmb(); - *(volatile uint16_t *)addr = val; - dmb(); -} - -static inline void write32(void *addr, uint32_t val) -{ - dmb(); - *(volatile uint32_t *)addr = val; - dmb(); -} - -static inline void write64(void *addr, uint64_t val) -{ - dmb(); - *(volatile uint64_t *)addr = val; - dmb(); -} - -#endif /* __ARCH_IO_H */ diff --git a/src/arch/arm64/include/armv8/arch/mmio.h b/src/arch/arm64/include/armv8/arch/mmio.h new file mode 100644 index 0000000000..aabfa87fc9 --- /dev/null +++ b/src/arch/arm64/include/armv8/arch/mmio.h @@ -0,0 +1,89 @@ +/* + * Originally imported from linux/include/asm-arm/io.h. This file has changed + * substantially since then. + * + * Copyright 2014 Google Inc. + * Copyright (C) 1996-2000 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Modifications: + * 08-Apr-2013 G Replaced several macros with inlines for type safety. + * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both + * constant addresses and variable addresses. + * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture + * specific IO header files. + * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. + * 04-Apr-1999 PJB Added check_signature. + * 12-Dec-1999 RMK More cleanups + * 18-Jun-2000 RMK Removed virt_to_* and friends definitions + */ + +#ifndef __ARCH_MMIO_H__ +#define __ARCH_MMIO_H__ + +#include +#include +#include +#include + +static inline uint8_t read8(const void *addr) +{ + dmb(); + return *(volatile uint8_t *)addr; +} + +static inline uint16_t read16(const void *addr) +{ + dmb(); + return *(volatile uint16_t *)addr; +} + +static inline uint32_t read32(const void *addr) +{ + dmb(); + return *(volatile uint32_t *)addr; +} + +static inline uint64_t read64(const void *addr) +{ + dmb(); + return *(volatile uint64_t *)addr; +} + +static inline void write8(void *addr, uint8_t val) +{ + dmb(); + *(volatile uint8_t *)addr = val; + dmb(); +} + +static inline void write16(void *addr, uint16_t val) +{ + dmb(); + *(volatile uint16_t *)addr = val; + dmb(); +} + +static inline void write32(void *addr, uint32_t val) +{ + dmb(); + *(volatile uint32_t *)addr = val; + dmb(); +} + +static inline void write64(void *addr, uint64_t val) +{ + dmb(); + *(volatile uint64_t *)addr = val; + dmb(); +} + +#endif /* __ARCH_MMIO_H__ */ -- cgit v1.2.3