[mirror_ubuntu-bionic-kernel.git] / arch / cris / arch-v32 / drivers / Kconfig

# SPDX-License-Identifier: GPL-2.0
if ETRAX_ARCH_V32

config ETRAX_ETHERNET
	bool "Ethernet support"
	depends on ETRAX_ARCH_V32 && NETDEVICES
	select MII
	help
	  This option enables the ETRAX FS built-in 10/100Mbit Ethernet
	  controller.

config ETRAX_NO_PHY
	bool "PHY not present"
	depends on ETRAX_ETHERNET
	help
	  This option disables all MDIO communication with an ethernet
	  transceiver connected to the MII interface. This option shall
	  typically be enabled if the MII interface is connected to a
	  switch. This option should normally be disabled. If enabled,
	  speed and duplex will be locked to 100 Mbit and full duplex.

config ETRAXFS_SERIAL
	bool "Serial-port support"
	depends on ETRAX_ARCH_V32
	select SERIAL_CORE
	select SERIAL_CORE_CONSOLE
	help
	  Enables the ETRAX FS serial driver for ser0 (ttyS0)
	  You probably want this enabled.

config ETRAX_RS485
	bool "RS-485 support"
	depends on ETRAXFS_SERIAL
	help
	  Enables support for RS-485 serial communication.

config ETRAX_RS485_DISABLE_RECEIVER
	bool "Disable serial receiver"
	depends on ETRAX_RS485
	help
	  It is necessary to disable the serial receiver to avoid serial
	  loopback.  Not all products are able to do this in software only.

config ETRAX_SERIAL_PORT0
	bool "Serial port 0 enabled"
	depends on ETRAXFS_SERIAL
	help
	  Enables the ETRAX FS serial driver for ser0 (ttyS0)
	  Normally you want this on. You can control what DMA channels to use
	  if you do not need DMA to something else.
	  ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.

config ETRAX_SERIAL_PORT1
	bool "Serial port 1 enabled"
	depends on ETRAXFS_SERIAL
	help
	  Enables the ETRAX FS serial driver for ser1 (ttyS1).

config ETRAX_SERIAL_PORT2
	bool "Serial port 2 enabled"
	depends on ETRAXFS_SERIAL
	help
	  Enables the ETRAX FS serial driver for ser2 (ttyS2).

config ETRAX_SERIAL_PORT3
	bool "Serial port 3 enabled"
	depends on ETRAXFS_SERIAL
	help
	  Enables the ETRAX FS serial driver for ser3 (ttyS3).

config ETRAX_SYNCHRONOUS_SERIAL
	bool "Synchronous serial-port support"
	depends on ETRAX_ARCH_V32
	help
	  Enables the ETRAX FS synchronous serial driver.

config ETRAX_SYNCHRONOUS_SERIAL_PORT0
         bool "Synchronous serial port 0 enabled"
         depends on ETRAX_SYNCHRONOUS_SERIAL
         help
           Enabled synchronous serial port 0.

config ETRAX_SYNCHRONOUS_SERIAL0_DMA
         bool "Enable DMA on synchronous serial port 0."
         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
         help
           A synchronous serial port can run in manual or DMA mode.
           Selecting this option will make it run in DMA mode.

config ETRAX_SYNCHRONOUS_SERIAL_PORT1
         bool "Synchronous serial port 1 enabled"
         depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
         help
           Enabled synchronous serial port 1.

config ETRAX_SYNCHRONOUS_SERIAL1_DMA
         bool "Enable DMA on synchronous serial port 1."
         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
         help
           A synchronous serial port can run in manual or DMA mode.
           Selecting this option will make it run in DMA mode.

config ETRAX_AXISFLASHMAP
	bool "Axis flash-map support"
	depends on ETRAX_ARCH_V32
	select MTD
	select MTD_CFI
	select MTD_CFI_AMDSTD
	select MTD_JEDECPROBE
	select MTD_BLOCK
	select MTD_COMPLEX_MAPPINGS
	select MTD_MTDRAM
	help
	  This option enables MTD mapping of flash devices.  Needed to use
	  flash memories.  If unsure, say Y.

config ETRAX_AXISFLASHMAP_MTD0WHOLE
	bool "MTD0 is whole boot flash device"
	depends on ETRAX_AXISFLASHMAP
	help
	  When this option is not set, mtd0 refers to the first partition
	  on the boot flash device. When set, mtd0 refers to the whole
	  device, with mtd1 referring to the first partition etc.

config ETRAX_PTABLE_SECTOR
	int "Byte-offset of partition table sector"
	depends on ETRAX_AXISFLASHMAP
	default "65536"
	help
	  Byte-offset of the partition table in the first flash chip.
	  The default value is 64kB and should not be changed unless
	  you know exactly what you are doing. The only valid reason
	  for changing this is when the flash block size is bigger
	  than 64kB (e.g. when using two parallel 16 bit flashes).

config ETRAX_NANDFLASH
	bool "NAND flash support"
	depends on ETRAX_ARCH_V32
	select MTD_NAND
	help
	  This option enables MTD mapping of NAND flash devices.  Needed to use
	  NAND flash memories.  If unsure, say Y.

config ETRAX_NANDBOOT
	bool "Boot from NAND flash"
	depends on ETRAX_NANDFLASH
	help
	  This options enables booting from NAND flash devices.
	  Say Y if your boot code, kernel and root file system is in
	  NAND flash. Say N if they are in NOR flash.

config ETRAX_CARDBUS
        bool "Cardbus support"
        depends on ETRAX_ARCH_V32
        help
	 Enabled the ETRAX Cardbus driver.

config PCI
       bool
       depends on ETRAX_CARDBUS
       default y
       select HAVE_GENERIC_DMA_COHERENT

config ETRAX_IOP_FW_LOAD
	tristate "IO-processor hotplug firmware loading support"
	depends on ETRAX_ARCH_V32
	select FW_LOADER
	help
	  Enables IO-processor hotplug firmware loading support.

config ETRAX_STREAMCOPROC
	tristate "Stream co-processor driver enabled"
	depends on ETRAX_ARCH_V32
	help
	  This option enables a driver for the stream co-processor
	  for cryptographic operations.

config ETRAX_MMC_IOP
	tristate "MMC/SD host driver using IO-processor"
	depends on ETRAX_ARCH_V32 && MMC
	help
	  This option enables the SD/MMC host controller interface.
	  The host controller is implemented using the built in
	  IO-Processor. Only the SPU is used in this implementation.

config ETRAX_SPI_MMC
# Make this one of several "choices" (possible simultaneously but
# suggested uniquely) when an IOP driver emerges for "real" MMC/SD
# protocol support.
	tristate
	depends on !ETRAX_MMC_IOP
	default MMC
	select SPI
	select MMC_SPI

# While the board info is MMC_SPI only, the drivers are written to be
# independent of MMC_SPI, so we'll keep SPI non-dependent on the
# MMC_SPI config choices (well, except for a single depends-on-line
# for the board-info file until a separate non-MMC SPI board file
# emerges).
# FIXME: When that happens, we'll need to be able to ask for and
# configure non-MMC SPI ports together with MMC_SPI ports (if multiple
# SPI ports are enabled).

config SPI_ETRAX_SSER
	tristate
	depends on SPI_MASTER && ETRAX_ARCH_V32
	select SPI_BITBANG
	help
	  This enables using an synchronous serial (sser) port as a
	  SPI master controller on Axis ETRAX FS and later.  The
	  driver can be configured to use any sser port.

config SPI_ETRAX_GPIO
	tristate
	depends on SPI_MASTER && ETRAX_ARCH_V32
	select SPI_BITBANG
	help
	  This enables using GPIO pins port as a SPI master controller
	  on Axis ETRAX FS and later.  The driver can be configured to
	  use any GPIO pins.

config ETRAX_SPI_SSER0
	tristate "SPI using synchronous serial port 0 (sser0)"
	depends on ETRAX_SPI_MMC
	default m if MMC_SPI=m
	default y if MMC_SPI=y
	default y if MMC_SPI=n
	select SPI_ETRAX_SSER
	help
	  Say Y for an MMC/SD socket connected to synchronous serial port 0,
	  or for devices using the SPI protocol on that port.  Say m if you
	  want to build it as a module, which will be named spi_crisv32_sser.
	  (You need to select MMC separately.)

config ETRAX_SPI_SSER1
	tristate "SPI using synchronous serial port 1 (sser1)"
	depends on ETRAX_SPI_MMC
	default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
	default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
	default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
	select SPI_ETRAX_SSER
	help
	  Say Y for an MMC/SD socket connected to synchronous serial port 1,
	  or for devices using the SPI protocol on that port.  Say m if you
	  want to build it as a module, which will be named spi_crisv32_sser.
	  (You need to select MMC separately.)

config ETRAX_SPI_GPIO
	tristate "Bitbanged SPI using gpio pins"
	depends on ETRAX_SPI_MMC
	select SPI_ETRAX_GPIO
	default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	help
	  Say Y for an MMC/SD socket connected to general I/O pins (but not
	  a complete synchronous serial ports), or for devices using the SPI
	  protocol on general I/O pins.  Slow and slows down the system.
	  Say m to build it as a module, which will be called spi_crisv32_gpio.
	  (You need to select MMC separately.)

endif
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
2d33d563 JN	2	if ETRAX_ARCH_V32
2d33d563 JN	3
51533b61 MS	4	config ETRAX_ETHERNET
51533b61 MS	5	bool "Ethernet support"
2206209e	6	depends on ETRAX_ARCH_V32 && NETDEVICES
923dd2a4	7	select MII
51533b61 MS	8	help
	9	This option enables the ETRAX FS built-in 10/100Mbit Ethernet
	10	controller.
	11
923dd2a4 JN	12	config ETRAX_NO_PHY
923dd2a4 JN	13	bool "PHY not present"
51533b61	14	depends on ETRAX_ETHERNET
51533b61	15	help
923dd2a4 JN	16	This option disables all MDIO communication with an ethernet
	17	transceiver connected to the MII interface. This option shall
	18	typically be enabled if the MII interface is connected to a
	19	switch. This option should normally be disabled. If enabled,
	20	speed and duplex will be locked to 100 Mbit and full duplex.
51533b61	21
51533b61 MS	22	config ETRAXFS_SERIAL
	23	bool "Serial-port support"
	24	depends on ETRAX_ARCH_V32
923dd2a4 JN	25	select SERIAL_CORE
923dd2a4 JN	26	select SERIAL_CORE_CONSOLE
51533b61 MS	27	help
	28	Enables the ETRAX FS serial driver for ser0 (ttyS0)
	29	You probably want this enabled.
	30
923dd2a4 JN	31	config ETRAX_RS485
	32	bool "RS-485 support"
	33	depends on ETRAXFS_SERIAL
	34	help
	35	Enables support for RS-485 serial communication.
	36
	37	config ETRAX_RS485_DISABLE_RECEIVER
	38	bool "Disable serial receiver"
	39	depends on ETRAX_RS485
	40	help
	41	It is necessary to disable the serial receiver to avoid serial
	42	loopback. Not all products are able to do this in software only.
	43
51533b61 MS	44	config ETRAX_SERIAL_PORT0
	45	bool "Serial port 0 enabled"
	46	depends on ETRAXFS_SERIAL
	47	help
	48	Enables the ETRAX FS serial driver for ser0 (ttyS0)
	49	Normally you want this on. You can control what DMA channels to use
	50	if you do not need DMA to something else.
	51	ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.
	52
51533b61 MS	53	config ETRAX_SERIAL_PORT1
	54	bool "Serial port 1 enabled"
	55	depends on ETRAXFS_SERIAL
	56	help
	57	Enables the ETRAX FS serial driver for ser1 (ttyS1).
	58
51533b61 MS	59	config ETRAX_SERIAL_PORT2
	60	bool "Serial port 2 enabled"
	61	depends on ETRAXFS_SERIAL
	62	help
	63	Enables the ETRAX FS serial driver for ser2 (ttyS2).
	64
51533b61 MS	65	config ETRAX_SERIAL_PORT3
	66	bool "Serial port 3 enabled"
	67	depends on ETRAXFS_SERIAL
	68	help
	69	Enables the ETRAX FS serial driver for ser3 (ttyS3).
	70
51533b61 MS	71	config ETRAX_SYNCHRONOUS_SERIAL
	72	bool "Synchronous serial-port support"
	73	depends on ETRAX_ARCH_V32
	74	help
	75	Enables the ETRAX FS synchronous serial driver.
	76
	77	config ETRAX_SYNCHRONOUS_SERIAL_PORT0
	78	bool "Synchronous serial port 0 enabled"
	79	depends on ETRAX_SYNCHRONOUS_SERIAL
	80	help
	81	Enabled synchronous serial port 0.
	82
	83	config ETRAX_SYNCHRONOUS_SERIAL0_DMA
	84	bool "Enable DMA on synchronous serial port 0."
	85	depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
	86	help
	87	A synchronous serial port can run in manual or DMA mode.
	88	Selecting this option will make it run in DMA mode.
	89
	90	config ETRAX_SYNCHRONOUS_SERIAL_PORT1
	91	bool "Synchronous serial port 1 enabled"
923dd2a4	92	depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
51533b61 MS	93	help
	94	Enabled synchronous serial port 1.
	95
	96	config ETRAX_SYNCHRONOUS_SERIAL1_DMA
	97	bool "Enable DMA on synchronous serial port 1."
	98	depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
	99	help
	100	A synchronous serial port can run in manual or DMA mode.
	101	Selecting this option will make it run in DMA mode.
	102
923dd2a4 JN	103	config ETRAX_AXISFLASHMAP
	104	bool "Axis flash-map support"
	105	depends on ETRAX_ARCH_V32
	106	select MTD
	107	select MTD_CFI
	108	select MTD_CFI_AMDSTD
	109	select MTD_JEDECPROBE
923dd2a4	110	select MTD_BLOCK
923dd2a4	111	select MTD_COMPLEX_MAPPINGS
9f1ad51b	112	select MTD_MTDRAM
923dd2a4 JN	113	help
	114	This option enables MTD mapping of flash devices. Needed to use
	115	flash memories. If unsure, say Y.
	116
	117	config ETRAX_AXISFLASHMAP_MTD0WHOLE
	118	bool "MTD0 is whole boot flash device"
	119	depends on ETRAX_AXISFLASHMAP
923dd2a4 JN	120	help
	121	When this option is not set, mtd0 refers to the first partition
	122	on the boot flash device. When set, mtd0 refers to the whole
	123	device, with mtd1 referring to the first partition etc.
	124
51533b61 MS	125	config ETRAX_PTABLE_SECTOR
	126	int "Byte-offset of partition table sector"
	127	depends on ETRAX_AXISFLASHMAP
	128	default "65536"
	129	help
	130	Byte-offset of the partition table in the first flash chip.
	131	The default value is 64kB and should not be changed unless
	132	you know exactly what you are doing. The only valid reason
	133	for changing this is when the flash block size is bigger
	134	than 64kB (e.g. when using two parallel 16 bit flashes).
	135
	136	config ETRAX_NANDFLASH
	137	bool "NAND flash support"
	138	depends on ETRAX_ARCH_V32
	139	select MTD_NAND
51533b61 MS	140	help
	141	This option enables MTD mapping of NAND flash devices. Needed to use
	142	NAND flash memories. If unsure, say Y.
	143
923dd2a4 JN	144	config ETRAX_NANDBOOT
	145	bool "Boot from NAND flash"
	146	depends on ETRAX_NANDFLASH
	147	help
	148	This options enables booting from NAND flash devices.
	149	Say Y if your boot code, kernel and root file system is in
	150	NAND flash. Say N if they are in NOR flash.
	151
51533b61 MS	152	config ETRAX_CARDBUS
	153	bool "Cardbus support"
	154	depends on ETRAX_ARCH_V32
51533b61	155	help
3dde6ad8	156	Enabled the ETRAX Cardbus driver.
51533b61 MS	157
	158	config PCI
	159	bool
	160	depends on ETRAX_CARDBUS
	161	default y
8fa8b9fb	162	select HAVE_GENERIC_DMA_COHERENT
51533b61 MS	163
	164	config ETRAX_IOP_FW_LOAD
	165	tristate "IO-processor hotplug firmware loading support"
	166	depends on ETRAX_ARCH_V32
	167	select FW_LOADER
	168	help
	169	Enables IO-processor hotplug firmware loading support.
	170
	171	config ETRAX_STREAMCOPROC
	172	tristate "Stream co-processor driver enabled"
	173	depends on ETRAX_ARCH_V32
	174	help
	175	This option enables a driver for the stream co-processor
	176	for cryptographic operations.
2d33d563	177
923dd2a4 JN	178	config ETRAX_MMC_IOP
	179	tristate "MMC/SD host driver using IO-processor"
	180	depends on ETRAX_ARCH_V32 && MMC
	181	help
	182	This option enables the SD/MMC host controller interface.
	183	The host controller is implemented using the built in
	184	IO-Processor. Only the SPU is used in this implementation.
	185
	186	config ETRAX_SPI_MMC
	187	# Make this one of several "choices" (possible simultaneously but
	188	# suggested uniquely) when an IOP driver emerges for "real" MMC/SD
	189	# protocol support.
	190	tristate
	191	depends on !ETRAX_MMC_IOP
	192	default MMC
	193	select SPI
	194	select MMC_SPI
923dd2a4 JN	195
	196	# While the board info is MMC_SPI only, the drivers are written to be
	197	# independent of MMC_SPI, so we'll keep SPI non-dependent on the
	198	# MMC_SPI config choices (well, except for a single depends-on-line
	199	# for the board-info file until a separate non-MMC SPI board file
	200	# emerges).
	201	# FIXME: When that happens, we'll need to be able to ask for and
	202	# configure non-MMC SPI ports together with MMC_SPI ports (if multiple
	203	# SPI ports are enabled).
	204
	205	config SPI_ETRAX_SSER
	206	tristate
366a2445	207	depends on SPI_MASTER && ETRAX_ARCH_V32
923dd2a4 JN	208	select SPI_BITBANG
	209	help
	210	This enables using an synchronous serial (sser) port as a
	211	SPI master controller on Axis ETRAX FS and later. The
	212	driver can be configured to use any sser port.
	213
	214	config SPI_ETRAX_GPIO
	215	tristate
366a2445	216	depends on SPI_MASTER && ETRAX_ARCH_V32
923dd2a4 JN	217	select SPI_BITBANG
	218	help
	219	This enables using GPIO pins port as a SPI master controller
	220	on Axis ETRAX FS and later. The driver can be configured to
	221	use any GPIO pins.
	222
	223	config ETRAX_SPI_SSER0
	224	tristate "SPI using synchronous serial port 0 (sser0)"
	225	depends on ETRAX_SPI_MMC
	226	default m if MMC_SPI=m
	227	default y if MMC_SPI=y
	228	default y if MMC_SPI=n
	229	select SPI_ETRAX_SSER
	230	help
	231	Say Y for an MMC/SD socket connected to synchronous serial port 0,
	232	or for devices using the SPI protocol on that port. Say m if you
	233	want to build it as a module, which will be named spi_crisv32_sser.
	234	(You need to select MMC separately.)
	235
923dd2a4 JN	236	config ETRAX_SPI_SSER1
	237	tristate "SPI using synchronous serial port 1 (sser1)"
	238	depends on ETRAX_SPI_MMC
	239	default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
	240	default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
	241	default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
	242	select SPI_ETRAX_SSER
	243	help
	244	Say Y for an MMC/SD socket connected to synchronous serial port 1,
	245	or for devices using the SPI protocol on that port. Say m if you
	246	want to build it as a module, which will be named spi_crisv32_sser.
	247	(You need to select MMC separately.)
	248
923dd2a4 JN	249	config ETRAX_SPI_GPIO
	250	tristate "Bitbanged SPI using gpio pins"
	251	depends on ETRAX_SPI_MMC
	252	select SPI_ETRAX_GPIO
	253	default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	254	default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	255	default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
	256	help
	257	Say Y for an MMC/SD socket connected to general I/O pins (but not
	258	a complete synchronous serial ports), or for devices using the SPI
	259	protocol on general I/O pins. Slow and slows down the system.
	260	Say m to build it as a module, which will be called spi_crisv32_gpio.
	261	(You need to select MMC separately.)
	262
2d33d563	263	endif