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/*
 * Berlin2 BG2Q clock tree IDs
 */

#define CLKID_SYS		0
#define CLKID_DRMFIGO		1
#define CLKID_CFG		2
#define CLKID_GFX2D		3
#define CLKID_ZSP		4
#define CLKID_PERIF		5
#define CLKID_PCUBE		6
#define CLKID_VSCOPE		7
#define CLKID_NFC_ECC		8
#define CLKID_VPP		9
#define CLKID_APP		10
#define CLKID_SDIO0XIN		11
#define CLKID_SDIO1XIN		12
#define CLKID_GFX2DAXI		13
#define CLKID_GETH0		14
#define CLKID_SATA		15
#define CLKID_AHBAPB		16
#define CLKID_USB0		17
#define CLKID_USB1		18
#define CLKID_USB2		19
#define CLKID_USB3		20
#define CLKID_PBRIDGE		21
#define CLKID_SDIO		22
#define CLKID_NFC		23
#define CLKID_SMEMC		24
#define CLKID_PCIE		25
#define CLKID_TWD		26
#define CLKID_CPU		27
'/cgit.cgi/linux/net-next.git/commit/include/scsi/fc_encode.h?h=nds-private-remove&id=bf29bddf0417a4783da3b24e8c9e017ac649326f'>bf29bddf0417a4783da3b24e8c9e017ac649326f (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 'include/scsi/fc_encode.h')