summaryrefslogtreecommitdiffstats
path: root/arch/mips/Kconfig
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2018-06-15 13:08:38 +0200
committerPaul Burton <paul.burton@mips.com>2018-06-24 09:26:03 -0700
commit3369ddb62a42e8392562c86d63811ba8b0167a58 (patch)
tree8b0690f2567f3c8c7ab5ed635c7976b02d62f902 /arch/mips/Kconfig
parentd3b83dcc7fcba94b7ec6bc0899828e1d814d20a9 (diff)
downloadlinux-3369ddb62a42e8392562c86d63811ba8b0167a58.tar.bz2
MIPS: make the default mips dma implementation optional
Octeon and loonson64 already don't use it at all, and we're going to migrate more plaforms away from it. Signed-off-by: Christoph Hellwig <hch@lst.de> Patchwork: https://patchwork.linux-mips.org/patch/19536/ Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: David Daney <david.daney@cavium.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de> Cc: Huacai Chen <chenhc@lemote.com> Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a7ecd785f8b9..7c539a39c43e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -77,6 +77,9 @@ config MIPS
select SYSCTL_EXCEPTION_TRACE
select VIRT_TO_BUS
+config MIPS_DMA_DEFAULT
+ bool
+
menu "Machine selection"
choice
@@ -98,6 +101,7 @@ config MIPS_GENERIC
select IRQ_MIPS_CPU
select LIBFDT
select MIPS_CPU_SCACHE
+ select MIPS_DMA_DEFAULT
select MIPS_GIC
select MIPS_L1_CACHE_SHIFT_7
select NO_EXCEPT_FILL
@@ -141,6 +145,7 @@ config MIPS_ALCHEMY
select CEVT_R4K
select CSRC_R4K
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
@@ -156,6 +161,7 @@ config AR7
select CEVT_R4K
select CSRC_R4K
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select NO_EXCEPT_FILL
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
@@ -178,6 +184,7 @@ config ATH25
select DMA_NONCOHERENT
select IRQ_MIPS_CPU
select IRQ_DOMAIN
+ select MIPS_DMA_DEFAULT
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_32BIT_KERNEL
@@ -197,6 +204,7 @@ config ATH79
select COMMON_CLK
select CLKDEV_LOOKUP
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select MIPS_MACHINE
select SYS_HAS_CPU_MIPS32_R2
select SYS_HAS_EARLY_PRINTK
@@ -223,6 +231,7 @@ config BMIPS_GENERIC
select BCM7120_L2_IRQ
select BRCMSTB_L2_IRQ
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select DMA_NONCOHERENT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -253,6 +262,7 @@ config BCM47XX
select HW_HAS_PCI
select IRQ_MIPS_CPU
select SYS_HAS_CPU_MIPS32_R1
+ select MIPS_DMA_DEFAULT
select NO_EXCEPT_FILL
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -276,6 +286,7 @@ config BCM63XX
select SYNC_R4K
select DMA_NONCOHERENT
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_HAS_EARLY_PRINTK
@@ -298,6 +309,7 @@ config MIPS_COBALT
select I8259
select IRQ_MIPS_CPU
select IRQ_GT641XX
+ select MIPS_DMA_DEFAULT
select PCI_GT64XXX_PCI0
select PCI
select SYS_HAS_CPU_NEVADA
@@ -318,6 +330,7 @@ config MACH_DECSTATION
select CPU_R4000_WORKAROUNDS if 64BIT
select CPU_R4400_WORKAROUNDS if 64BIT
select DMA_NONCOHERENT
+ select MIPS_DMA_DEFAULT
select NO_IOPORT_MAP
select IRQ_MIPS_CPU
select SYS_HAS_CPU_R3000
@@ -377,6 +390,7 @@ config MACH_INGENIC
select SYS_SUPPORTS_ZBOOT_UART16550
select DMA_NONCOHERENT
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select PINCTRL
select GPIOLIB
select COMMON_CLK
@@ -391,6 +405,7 @@ config LANTIQ
select IRQ_MIPS_CPU
select CEVT_R4K
select CSRC_R4K
+ select MIPS_DMA_DEFAULT
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
select SYS_SUPPORTS_BIG_ENDIAN
@@ -418,6 +433,7 @@ config LASAT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select PCI_GT64XXX_PCI0
select MIPS_NILE4
select R5000_CPU_SCACHE
@@ -464,6 +480,7 @@ config MACH_PISTACHIO
select LIBFDT
select MFD_SYSCON
select MIPS_CPU_SCACHE
+ select MIPS_DMA_DEFAULT
select MIPS_GIC
select PINCTRL
select REGULATOR
@@ -496,6 +513,7 @@ config MIPS_MALTA
select GENERIC_ISA_DMA
select HAVE_PCSPKR_PLATFORM
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select MIPS_GIC
select HW_HAS_PCI
select I8253
@@ -552,6 +570,7 @@ config NEC_MARKEINS
bool "NEC EMMA2RH Mark-eins board"
select SOC_EMMA2RH
select HW_HAS_PCI
+ select MIPS_DMA_DEFAULT
help
This enables support for the NEC Electronics Mark-eins boards.
@@ -565,12 +584,14 @@ config MACH_VR41XX
config NXP_STB220
bool "NXP STB220 board"
+ select MIPS_DMA_DEFAULT
select SOC_PNX833X
help
Support for NXP Semiconductors STB220 Development Board.
config NXP_STB225
bool "NXP 225 board"
+ select MIPS_DMA_DEFAULT
select SOC_PNX833X
select SOC_PNX8335
help
@@ -590,6 +611,7 @@ config PMC_MSP
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_MIPS16
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select SERIAL_8250
select SERIAL_8250_CONSOLE
select USB_EHCI_BIG_ENDIAN_MMIO
@@ -607,6 +629,7 @@ config RALINK
select BOOT_RAW
select DMA_NONCOHERENT
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select USE_OF
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
@@ -633,6 +656,7 @@ config SGI_IP22
select I8259
select IP22_CPU_SCACHE
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select SGI_HAS_I8042
select SGI_HAS_INDYDOG
@@ -666,6 +690,7 @@ config SGI_IP27
select FW_ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
+ select MIPS_DMA_DEFAULT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select NR_CPUS_DEFAULT_64
@@ -692,6 +717,7 @@ config SGI_IP28
select DMA_NONCOHERENT
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select HW_HAS_EISA
select I8253
select I8259
@@ -728,6 +754,7 @@ config SGI_IP32
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select R5000_CPU_SCACHE
select RM7000_CPU_SCACHE
select SYS_HAS_CPU_R5000
@@ -742,6 +769,7 @@ config SGI_IP32
config SIBYTE_CRHINE
bool "Sibyte BCM91120C-CRhine"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select SIBYTE_BCM1120
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -751,6 +779,7 @@ config SIBYTE_CRHINE
config SIBYTE_CARMEL
bool "Sibyte BCM91120x-Carmel"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select SIBYTE_BCM1120
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -760,6 +789,7 @@ config SIBYTE_CARMEL
config SIBYTE_CRHONE
bool "Sibyte BCM91125C-CRhone"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select SIBYTE_BCM1125
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -770,6 +800,7 @@ config SIBYTE_CRHONE
config SIBYTE_RHONE
bool "Sibyte BCM91125E-Rhone"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select SIBYTE_BCM1125H
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -780,6 +811,7 @@ config SIBYTE_SWARM
bool "Sibyte BCM91250A-SWARM"
select BOOT_ELF32
select HAVE_PATA_PLATFORM
+ select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -792,6 +824,7 @@ config SIBYTE_LITTLESUR
bool "Sibyte BCM91250C2-LittleSur"
select BOOT_ELF32
select HAVE_PATA_PLATFORM
+ select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -802,6 +835,7 @@ config SIBYTE_LITTLESUR
config SIBYTE_SENTOSA
bool "Sibyte BCM91250E-Sentosa"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -811,6 +845,7 @@ config SIBYTE_SENTOSA
config SIBYTE_BIGSUR
bool "Sibyte BCM91480B-BigSur"
select BOOT_ELF32
+ select MIPS_DMA_DEFAULT
select NR_CPUS_DEFAULT_4
select SIBYTE_BCM1x80
select SWAP_IO_SPACE
@@ -841,6 +876,7 @@ config SNI_RM
select I8253
select I8259
select ISA
+ select MIPS_DMA_DEFAULT
select SWAP_IO_SPACE if CPU_BIG_ENDIAN
select SYS_HAS_CPU_R4X00
select SYS_HAS_CPU_R5000
@@ -871,6 +907,7 @@ config MIKROTIK_RB532
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_MIPS_CPU
+ select MIPS_DMA_DEFAULT
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -929,6 +966,7 @@ config NLM_XLR_BOARD
select SYS_HAS_CPU_XLR
select SYS_SUPPORTS_SMP
select HW_HAS_PCI
+ select MIPS_DMA_DEFAULT
select SWAP_IO_SPACE
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
@@ -955,6 +993,7 @@ config NLM_XLP_BOARD
select SYS_HAS_CPU_XLP
select SYS_SUPPORTS_SMP
select HW_HAS_PCI
+ select MIPS_DMA_DEFAULT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select PHYS_ADDR_T_64BIT
@@ -980,6 +1019,7 @@ config MIPS_PARAVIRT
bool "Para-Virtualized guest system"
select CEVT_R4K
select CSRC_R4K
+ select MIPS_DMA_DEFAULT
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN