On Fri, Mar 24, 2017 at 07:46:23AM -0700, Doug Berger wrote: > This patch set contains changes to enable the GISB arbiter driver > on the latest ARM64 architecture Set-Top Box chips from Broadcom. > > This driver relies on being able to hook the abort handlers of > the processor core that are triggered by bus error signals > generated by the GISB bus arbiter hardware found in BCM7XXX chips. Ugh; hardware generating asynchonous exceptions is hideous. I had hoped that such hardware was a thing of the past. Under what circumstances does the GISB bus arbiter generate these aborts? Mark. > The first three patches are based on the arm64/for-next/core > branch to enable this functionality for the arm64 architecture. > > The remaining patches correct some issues with the existing driver, > add the ARM64 architecture specific support to the driver, and > finally add the new register map for the GISBv7 hardware first > appearing in the BCM7278 device. > > Doug Berger (7): > arm64: mm: mark fault_info __ro_after_init > arm64: mm: install SError abort handler > bus: brcmstb_gisb: Use register offsets with writes too > bus: brcmstb_gisb: Correct hooking of ARM aborts > bus: brcmstb_gisb: correct support for 64-bit address output > bus: brcmstb_gisb: add ARM64 SError support > bus: brcmstb_gisb: update to support new revision > > Florian Fainelli (2): > arm64: mm: Allow installation of memory abort handlers > bus: brcmstb_gisb: Add ARM64 support > > .../devicetree/bindings/bus/brcm,gisb-arb.txt | 3 +- > arch/arm64/include/asm/system_misc.h | 5 + > arch/arm64/kernel/entry.S | 69 ++++++++++++-- > arch/arm64/mm/fault.c | 48 +++++++++- > drivers/bus/Kconfig | 2 +- > drivers/bus/brcmstb_gisb.c | 106 ++++++++++++++++----- > 6 files changed, 197 insertions(+), 36 deletions(-) > > -- > 2.12.0 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
