79f8511c83
Add SWIOTLB config option and related files to Netlogic platform. Some XLP SoC components like the SD/MMC interface cannot do DMA beyond 32-bit physical address. The SD/MMC driver can use memory outside this range for IO, to support this we have to add bounce buffers implemented by SWIOTLB. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Cc: Ganesan Ramalingam <ganesanr@broadcom.com> Patchwork: https://patchwork.linux-mips.org/patch/5410/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
66 lines
1.4 KiB
Plaintext
66 lines
1.4 KiB
Plaintext
if NLM_XLP_BOARD || NLM_XLR_BOARD
|
|
|
|
if NLM_XLP_BOARD
|
|
config DT_XLP_EVP
|
|
bool "Built-in device tree for XLP EVP boards"
|
|
default y
|
|
help
|
|
Add an FDT blob for XLP EVP boards into the kernel.
|
|
This DTB will be used if the firmware does not pass in a DTB
|
|
pointer to the kernel. The corresponding DTS file is at
|
|
arch/mips/netlogic/dts/xlp_evp.dts
|
|
|
|
config DT_XLP_SVP
|
|
bool "Built-in device tree for XLP SVP boards"
|
|
default y
|
|
help
|
|
Add an FDT blob for XLP VP boards into the kernel.
|
|
This DTB will be used if the firmware does not pass in a DTB
|
|
pointer to the kernel. The corresponding DTS file is at
|
|
arch/mips/netlogic/dts/xlp_svp.dts
|
|
|
|
config NLM_MULTINODE
|
|
bool "Support for multi-chip boards"
|
|
depends on NLM_XLP_BOARD
|
|
default n
|
|
help
|
|
Add support for boards with 2 or 4 XLPs connected over ICI.
|
|
|
|
if NLM_MULTINODE
|
|
choice
|
|
prompt "Number of XLPs on the board"
|
|
default NLM_MULTINODE_2
|
|
help
|
|
In the multi-node case, specify the number of SoCs on the board.
|
|
|
|
config NLM_MULTINODE_2
|
|
bool "Dual-XLP board"
|
|
help
|
|
Support boards with upto two XLPs connected over ICI.
|
|
|
|
config NLM_MULTINODE_4
|
|
bool "Quad-XLP board"
|
|
help
|
|
Support boards with upto four XLPs connected over ICI.
|
|
|
|
endchoice
|
|
|
|
endif
|
|
endif
|
|
|
|
config NLM_COMMON
|
|
bool
|
|
|
|
config IOMMU_HELPER
|
|
bool
|
|
|
|
config NEED_SG_DMA_LENGTH
|
|
bool
|
|
|
|
config SWIOTLB
|
|
def_bool y
|
|
select NEED_SG_DMA_LENGTH
|
|
select IOMMU_HELPER
|
|
|
|
endif
|