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3 Commits

Author SHA1 Message Date
Jiandi An
704a6d719d Xen: ARM: Zero reserved fields of xatp before making hypervisor call 
[ Upstream commit 0b47a6bd1150f4846b1d61925a4cc5a96593a541 ]

Ensure all reserved fields of xatp are zero before making
hypervisor call to XEN in xen_map_device_mmio().
xenmem_add_to_physmap_one() in XEN fails the mapping request if
extra.res reserved field in xatp is not zero for XENMAPSPACE_dev_mmio
request.

Signed-off-by: Jiandi An <anjiandi@codeaurora.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2017-08-06 18:59:47 -07:00
Shannon Zhao
5789afeb0e Xen: ARM: Add support for mapping AMBA device mmio 
Add a bus_notifier for AMBA bus device in order to map the device
mmio regions when DOM0 booting with ACPI.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Tested-by: Julien Grall <julien.grall@arm.com>
 2016-07-06 10:34:43 +01:00
Shannon Zhao
4ba04bec37 Xen: ARM: Add support for mapping platform device mmio 
Add a bus_notifier for platform bus device in order to map the device
mmio regions when DOM0 booting with ACPI.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Julien Grall <julien.grall@arm.com>
 2016-07-06 10:34:43 +01:00