mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
ce0eff0d9b
We want to use DW AXI DMAC on HSDK board in our automated verification to test cache & dma kernel code changes. This is perfect candidate as we don't depend on any external peripherals like MMC card / USB storage / etc. To increase test coverage we want to test both options: * DW AXI DMAC is connected through IOC port & dma direct ops used * DW AXI DMAC is connected to DDR port & dma noncoherent ops used Introduce 'arc_hsdk_axi_dmac_coherent' global variable which can be modified by debugger (same way as we patch 'ioc_enable') to switch between these options without recompiling the kernel. Depend on this value we tweak memory bridge configuration and "dma-coherent" DTS property of DW AXI DMAC. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
18 lines
442 B
Makefile
18 lines
442 B
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
# Built-in dtb
|
|
builtindtb-y := nsim_700
|
|
|
|
ifneq ($(CONFIG_ARC_BUILTIN_DTB_NAME),"")
|
|
builtindtb-y := $(patsubst "%",%,$(CONFIG_ARC_BUILTIN_DTB_NAME))
|
|
endif
|
|
|
|
obj-y += $(builtindtb-y).dtb.o
|
|
dtb-y := $(builtindtb-y).dtb
|
|
|
|
# for CONFIG_OF_ALL_DTBS test
|
|
dtstree := $(srctree)/$(src)
|
|
dtb- := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
|
|
|
|
# board-specific dtc flags
|
|
DTC_FLAGS_hsdk += --pad 20
|