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linux/arch/arc
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Alexey Brodkin 8d362cb3bf ARCv2: PAE40: Explicitly set MSB counterpart of SLC region ops addresses 
commit 7d79cee2c6 upstream.

It is necessary to explicitly set both SLC_AUX_RGN_START1 and SLC_AUX_RGN_END1
which hold MSB bits of the physical address correspondingly of region start
and end otherwise SLC region operation is executed in unpredictable manner

Without this patch, SLC flushes on HSDK (IOC disabled) were taking
seconds.

Reported-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[vgupta: PAR40 regs only written if PAE40 exist]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2017-08-30 10:21:46 +02:00
..
boot ARC: Enable PERF_EVENTS in nSIM driven platforms 2016-10-31 17:12:38 -07:00
configs ARC: Enable PERF_EVENTS in nSIM driven platforms 2016-10-31 17:12:38 -07:00
include ARCv2: PAE40: Explicitly set MSB counterpart of SLC region ops addresses 2017-08-30 10:21:46 +02:00
kernel ARCv2: IRQ: Call entry/exit functions for chained handlers in MCIP 2017-08-06 18:59:49 -07:00
lib ARC: dw2 unwind: enable cfi pseudo ops in string lib 2016-09-30 14:48:22 -07:00
mm ARCv2: PAE40: Explicitly set MSB counterpart of SLC region ops addresses 2017-08-30 10:21:46 +02:00
oprofile ARC: OProfile support 2013-02-15 23:16:00 +05:30
plat-axs10x ARC updates for 4.7-rc1 2016-05-19 09:46:18 -07:00
plat-eznps ARC: [plat-eznps] remove IPI clear from SMP operations 2016-11-08 09:25:18 -08:00
plat-sim ARCv2: Add support for ZeBu Emulation platform for HS cores 2016-09-30 14:48:15 -07:00
plat-tb10x arc: select GPIOLIB directly 2016-04-26 14:07:59 +02:00
Kbuild ARC: Build system: Makefiles, Kconfig, Linker script 2013-02-11 20:00:25 +05:30
Kconfig ARC: module: Fix !CONFIG_ARC_DW2_UNWIND builds 2017-01-26 08:24:37 +01:00
Kconfig.debug ARC: With earlycon in use, retire EARLY_PRINTK 2015-05-11 11:20:21 +05:30
Makefile ARC fixes for 4.9-rc5 2016-11-11 16:51:50 -08:00