1# SPDX-License-Identifier: GPL-2.0 2if ETRAX_ARCH_V32 3 4config ETRAX_ETHERNET 5 bool "Ethernet support" 6 depends on ETRAX_ARCH_V32 && NETDEVICES 7 select MII 8 help 9 This option enables the ETRAX FS built-in 10/100Mbit Ethernet 10 controller. 11 12config ETRAX_NO_PHY 13 bool "PHY not present" 14 depends on ETRAX_ETHERNET 15 help 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. 21 22config ETRAXFS_SERIAL 23 bool "Serial-port support" 24 depends on ETRAX_ARCH_V32 25 select SERIAL_CORE 26 select SERIAL_CORE_CONSOLE 27 help 28 Enables the ETRAX FS serial driver for ser0 (ttyS0) 29 You probably want this enabled. 30 31config ETRAX_RS485 32 bool "RS-485 support" 33 depends on ETRAXFS_SERIAL 34 help 35 Enables support for RS-485 serial communication. 36 37config 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 44config 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 53config 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 59config 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 65config 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 71config 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 77config 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 83config 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 90config ETRAX_SYNCHRONOUS_SERIAL_PORT1 91 bool "Synchronous serial port 1 enabled" 92 depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS 93 help 94 Enabled synchronous serial port 1. 95 96config 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 103config 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 110 select MTD_BLOCK 111 select MTD_COMPLEX_MAPPINGS 112 select MTD_MTDRAM 113 help 114 This option enables MTD mapping of flash devices. Needed to use 115 flash memories. If unsure, say Y. 116 117config ETRAX_AXISFLASHMAP_MTD0WHOLE 118 bool "MTD0 is whole boot flash device" 119 depends on ETRAX_AXISFLASHMAP 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 125config 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 136config ETRAX_NANDFLASH 137 bool "NAND flash support" 138 depends on ETRAX_ARCH_V32 139 select MTD_NAND 140 help 141 This option enables MTD mapping of NAND flash devices. Needed to use 142 NAND flash memories. If unsure, say Y. 143 144config 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 152config ETRAX_CARDBUS 153 bool "Cardbus support" 154 depends on ETRAX_ARCH_V32 155 help 156 Enabled the ETRAX Cardbus driver. 157 158config PCI 159 bool 160 depends on ETRAX_CARDBUS 161 default y 162 select HAVE_GENERIC_DMA_COHERENT 163 164config 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 171config 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. 177 178config 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 186config 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 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 205config SPI_ETRAX_SSER 206 tristate 207 depends on SPI_MASTER && ETRAX_ARCH_V32 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 214config SPI_ETRAX_GPIO 215 tristate 216 depends on SPI_MASTER && ETRAX_ARCH_V32 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 223config 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 236config 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 249config 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 263endif 264