/* * Copyright (C) 2016 Maxime Ripard * * This file is dual-licensed: you can use it either under the terms * of the GPL or the X11 license, at your option. Note that this dual * licensing only applies to this file, and not this project as a * whole. * * a) This file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This file 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. * * Or, alternatively, * * b) Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _DT_BINDINGS_RST_SUN8I_H3_H_ #define _DT_BINDINGS_RST_SUN8I_H3_H_ #define RST_USB_PHY0 0 #define RST_USB_PHY1 1 #define RST_USB_PHY2 2 #define RST_USB_PHY3 3 #define RST_MBUS 4 #define RST_BUS_CE 5 #define RST_BUS_DMA 6 #define RST_BUS_MMC0 7 #define RST_BUS_MMC1 8 #define RST_BUS_MMC2 9 #define RST_BUS_NAND 10 #define RST_BUS_DRAM 11 #define RST_BUS_EMAC 12 #define RST_BUS_TS 13 #define RST_BUS_HSTIMER 14 #define RST_BUS_SPI0 15 #define RST_BUS_SPI1 16 #define RST_BUS_OTG 17 #define RST_BUS_EHCI0 18 #define RST_BUS_EHCI1 19 #define RST_BUS_EHCI2 20 #define RST_BUS_EHCI3 21 #define RST_BUS_OHCI0 22 #define RST_BUS_OHCI1 23 #define RST_BUS_OHCI2 24 #define RST_BUS_OHCI3 25 #define RST_BUS_VE 26 #define RST_BUS_TCON0 27 #define RST_BUS_TCON1 28 #define RST_BUS_DEINTERLACE 29 #define RST_BUS_CSI 30 #define RST_BUS_TVE 31 #define RST_BUS_HDMI0 32 #define RST_BUS_HDMI1 33 #define RST_BUS_DE 34 #define RST_BUS_GPU 35 #define RST_BUS_MSGBOX 36 #define RST_BUS_SPINLOCK 37 #define RST_BUS_DBG 38 #define RST_BUS_EPHY 39 #define RST_BUS_CODEC 40 #define RST_BUS_SPDIF 41 #define RST_BUS_THS 42 #define RST_BUS_I2S0 43 #define RST_BUS_I2S1 44 #define RST_BUS_I2S2 45 #define RST_BUS_I2C0 46 #define RST_BUS_I2C1 47 #define RST_BUS_I2C2 48 #define RST_BUS_UART0 49 #define RST_BUS_UART1 50 #define RST_BUS_UART2 51 #define RST_BUS_UART3 52 #define RST_BUS_SCR 53 #endif /* _DT_BINDINGS_RST_SUN8I_H3_H_ */ tion>space:mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-02-01 17:45:02 +0000
committerIngo Molnar <mingo@kernel.org>2017-02-01 21:17:49 +0100
commitc8f325a59cfc718d13a50fbc746ed9b415c25e92 (patch)
treed53fbdac9d0781e39a13b2ac6b2bd258cf3b4140 /net/wireless/wext-compat.h
parentbf29bddf0417a4783da3b24e8c9e017ac649326f (diff)
efi/fdt: Avoid FDT manipulation after ExitBootServices()
Some AArch64 UEFI implementations disable the MMU in ExitBootServices(), after which unaligned accesses to RAM are no longer supported. Commit: abfb7b686a3e ("efi/libstub/arm*: Pass latest memory map to the kernel") fixed an issue in the memory map handling of the stub FDT code, but inadvertently created an issue with such firmware, by moving some of the FDT manipulation to after the invocation of ExitBootServices(). Given that the stub's libfdt implementation uses the ordinary, accelerated string functions, which rely on hardware handling of unaligned accesses, manipulating the FDT with the MMU off may result in alignment faults. So fix the situation by moving the update_fdt_memmap() call into the callback function invoked by efi_exit_boot_services() right before it calls the ExitBootServices() UEFI service (which is arguably a better place for it anyway) Note that disabling the MMU in ExitBootServices() is not compliant with the UEFI spec, and carries great risk due to the fact that switching from cached to uncached memory accesses halfway through compiler generated code (i.e., involving a stack) can never be done in a way that is architecturally safe. Fixes: abfb7b686a3e ("efi/libstub/arm*: Pass latest memory map to the kernel") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Tested-by: Riku Voipio <riku.voipio@linaro.org> Cc: <stable@vger.kernel.org> Cc: mark.rutland@arm.com Cc: linux-efi@vger.kernel.org Cc: matt@codeblueprint.co.uk Cc: leif.lindholm@linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1485971102-23330-2-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/wireless/wext-compat.h')