linux/arch/cris/arch-v10/drivers/Kconfig
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   1if ETRAX_ARCH_V10
   2
   3config ETRAX_ETHERNET
   4        bool "Ethernet support"
   5        depends on ETRAX_ARCH_V10
   6        select ETHERNET
   7        select NET_CORE
   8        select MII
   9        help
  10          This option enables the ETRAX 100LX built-in 10/100Mbit Ethernet
  11          controller.
  12
  13config ETRAX_SERIAL
  14        bool "Serial-port support"
  15        depends on ETRAX_ARCH_V10
  16        help
  17          Enables the ETRAX 100 serial driver for ser0 (ttyS0)
  18          You probably want this enabled.
  19
  20config ETRAX_SERIAL_FAST_TIMER
  21        bool "Use fast timers for serial DMA flush (experimental)"
  22        depends on ETRAX_SERIAL
  23        help
  24          Select this to have the serial DMAs flushed at a higher rate than
  25          normally, possible by using the fast timer API, the timeout is
  26          approx. 4 character times.
  27          If unsure, say N.
  28
  29config ETRAX_SERIAL_FLUSH_DMA_FAST
  30        bool "Fast serial port DMA flush"
  31        depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER
  32        help
  33          Select this to have the serial DMAs flushed at a higher rate than
  34          normally possible through a fast timer interrupt (currently at
  35          15360 Hz).
  36          If unsure, say N.
  37
  38config ETRAX_SERIAL_RX_TIMEOUT_TICKS
  39        int "Receive flush timeout (ticks) "
  40        depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER && !ETRAX_SERIAL_FLUSH_DMA_FAST
  41        default "5"
  42        help
  43          Number of timer ticks between flush of receive fifo (1 tick = 10ms).
  44          Try 0-3 for low latency applications.  Approx 5 for high load
  45          applications (e.g. PPP).  Maybe this should be more adaptive some
  46          day...
  47
  48config ETRAX_SERIAL_PORT0
  49        bool "Serial port 0 enabled"
  50        depends on ETRAX_SERIAL
  51        help
  52          Enables the ETRAX 100 serial driver for ser0 (ttyS0)
  53          Normally you want this on, unless you use external DMA 1 that uses
  54          the same DMA channels.
  55
  56choice
  57        prompt "Ser0 DTR, RI, DSR and CD assignment"
  58        depends on ETRAX_SERIAL_PORT0
  59        default ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
  60
  61config ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
  62        bool "No_DTR_RI_DSR_CD"
  63
  64config ETRAX_SER0_DTR_RI_DSR_CD_ON_PA
  65        bool "DTR_RI_DSR_CD_on_PA"
  66
  67config ETRAX_SER0_DTR_RI_DSR_CD_ON_PB
  68        bool "DTR_RI_DSR_CD_on_PB"
  69        help
  70          Enables the status and control signals DTR, RI, DSR and CD on PB for
  71          ser0.
  72
  73config ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  74        bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
  75
  76endchoice
  77
  78config ETRAX_SER0_DTR_ON_PA_BIT
  79        int "Ser0 DTR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  80        depends on ETRAX_SERIAL_PORT0
  81        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  82        default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  83
  84config ETRAX_SER0_RI_ON_PA_BIT
  85        int "Ser0 RI  on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  86        depends on ETRAX_SERIAL_PORT0
  87        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  88        default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  89
  90config ETRAX_SER0_DSR_ON_PA_BIT
  91        int "Ser0 DSR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  92        depends on ETRAX_SERIAL_PORT0
  93        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  94        default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  95
  96config ETRAX_SER0_CD_ON_PA_BIT
  97        int "Ser0 CD  on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  98        depends on ETRAX_SERIAL_PORT0
  99        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 100        default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 101
 102config ETRAX_SER0_DTR_ON_PB_BIT
 103        int "Ser0 DTR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 104        depends on ETRAX_SERIAL_PORT0
 105        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 106        default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 107        help
 108          Specify the pin of the PB port to carry the DTR signal for serial
 109          port 0.
 110
 111config ETRAX_SER0_RI_ON_PB_BIT
 112        int "Ser0 RI  on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 113        depends on ETRAX_SERIAL_PORT0
 114        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 115        default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 116        help
 117          Specify the pin of the PB port to carry the RI signal for serial
 118          port 0.
 119
 120config ETRAX_SER0_DSR_ON_PB_BIT
 121        int "Ser0 DSR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 122        depends on ETRAX_SERIAL_PORT0
 123        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 124        default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 125        help
 126          Specify the pin of the PB port to carry the DSR signal for serial
 127          port 0.
 128
 129config ETRAX_SER0_CD_ON_PB_BIT
 130        int "Ser0 CD  on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 131        depends on ETRAX_SERIAL_PORT0
 132        default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 133        default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
 134        help
 135          Specify the pin of the PB port to carry the CD signal for serial
 136          port 0.
 137
 138config ETRAX_SERIAL_PORT1
 139        bool "Serial port 1 enabled"
 140        depends on ETRAX_SERIAL
 141        help
 142          Enables the ETRAX 100 serial driver for ser1 (ttyS1).
 143
 144choice
 145        prompt "Ser1 DTR, RI, DSR and CD assignment"
 146        depends on ETRAX_SERIAL_PORT1
 147        default ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
 148
 149config ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
 150        bool "No_DTR_RI_DSR_CD"
 151
 152config ETRAX_SER1_DTR_RI_DSR_CD_ON_PA
 153        bool "DTR_RI_DSR_CD_on_PA"
 154
 155config ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
 156        bool "DTR_RI_DSR_CD_on_PB"
 157        help
 158          Enables the status and control signals DTR, RI, DSR and CD on PB for
 159          ser1.
 160
 161config ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 162        bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
 163
 164endchoice
 165
 166config ETRAX_SER1_DTR_ON_PA_BIT
 167        int "Ser1 DTR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 168        depends on ETRAX_SERIAL_PORT1
 169        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 170        default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 171
 172config ETRAX_SER1_RI_ON_PA_BIT
 173        int "Ser1 RI  on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 174        depends on ETRAX_SERIAL_PORT1
 175        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 176        default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 177
 178config ETRAX_SER1_DSR_ON_PA_BIT
 179        int "Ser1 DSR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 180        depends on ETRAX_SERIAL_PORT1
 181        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 182        default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 183
 184config ETRAX_SER1_CD_ON_PA_BIT
 185        int "Ser1 CD  on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 186        depends on ETRAX_SERIAL_PORT1
 187        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 188        default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 189
 190config ETRAX_SER1_DTR_ON_PB_BIT
 191        int "Ser1 DTR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 192        depends on ETRAX_SERIAL_PORT1
 193        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 194        default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 195        help
 196          Specify the pin of the PB port to carry the DTR signal for serial
 197          port 1.
 198
 199config ETRAX_SER1_RI_ON_PB_BIT
 200        int "Ser1 RI  on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 201        depends on ETRAX_SERIAL_PORT1
 202        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 203        default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 204        help
 205          Specify the pin of the PB port to carry the RI signal for serial
 206          port 1.
 207
 208config ETRAX_SER1_DSR_ON_PB_BIT
 209        int "Ser1 DSR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 210        depends on ETRAX_SERIAL_PORT1
 211        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 212        default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 213        help
 214          Specify the pin of the PB port to carry the DSR signal for serial
 215          port 1.
 216
 217config ETRAX_SER1_CD_ON_PB_BIT
 218        int "Ser1 CD  on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 219        depends on ETRAX_SERIAL_PORT1
 220        default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 221        default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
 222        help
 223          Specify the pin of the PB port to carry the CD signal for serial
 224          port 1.
 225
 226comment "Make sure you do not have the same PB bits more than once!"
 227        depends on ETRAX_SERIAL && ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
 228
 229config ETRAX_SERIAL_PORT2
 230        bool "Serial port 2 enabled"
 231        depends on ETRAX_SERIAL
 232        help
 233          Enables the ETRAX 100 serial driver for ser2 (ttyS2).
 234
 235choice
 236        prompt "Ser2 DTR, RI, DSR and CD assignment"
 237        depends on ETRAX_SERIAL_PORT2
 238        default ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
 239
 240config ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
 241        bool "No_DTR_RI_DSR_CD"
 242
 243config ETRAX_SER2_DTR_RI_DSR_CD_ON_PA
 244        bool "DTR_RI_DSR_CD_on_PA"
 245        help
 246          Enables the status and control signals DTR, RI, DSR and CD on PA for
 247          ser2.
 248
 249config ETRAX_SER2_DTR_RI_DSR_CD_ON_PB
 250        bool "DTR_RI_DSR_CD_on_PB"
 251
 252config ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 253        bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
 254
 255endchoice
 256
 257config ETRAX_SER2_DTR_ON_PA_BIT
 258        int "Ser2 DTR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 259        depends on ETRAX_SERIAL_PORT2
 260        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 261        default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 262        help
 263          Specify the pin of the PA port to carry the DTR signal for serial
 264          port 2.
 265
 266config ETRAX_SER2_RI_ON_PA_BIT
 267        int "Ser2 RI  on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 268        depends on ETRAX_SERIAL_PORT2
 269        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 270        default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 271        help
 272          Specify the pin of the PA port to carry the RI signal for serial
 273          port 2.
 274
 275config ETRAX_SER2_DSR_ON_PA_BIT
 276        int "Ser2 DSR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 277        depends on ETRAX_SERIAL_PORT2
 278        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 279        default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 280        help
 281          Specify the pin of the PA port to carry the DTR signal for serial
 282          port 2.
 283
 284config ETRAX_SER2_CD_ON_PA_BIT
 285        int "Ser2 CD  on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 286        depends on ETRAX_SERIAL_PORT2
 287        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 288        default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 289        help
 290          Specify the pin of the PA port to carry the CD signal for serial
 291          port 2.
 292
 293config ETRAX_SER2_DTR_ON_PB_BIT
 294        int "Ser2 DTR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 295        depends on ETRAX_SERIAL_PORT2
 296        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 297        default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 298
 299config ETRAX_SER2_RI_ON_PB_BIT
 300        int "Ser2 RI  on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 301        depends on ETRAX_SERIAL_PORT2
 302        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 303        default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 304
 305config ETRAX_SER2_DSR_ON_PB_BIT
 306        int "Ser2 DSR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 307        depends on ETRAX_SERIAL_PORT2
 308        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 309        default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 310
 311config ETRAX_SER2_CD_ON_PB_BIT
 312        int "Ser2 CD  on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 313        depends on ETRAX_SERIAL_PORT2
 314        default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 315        default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
 316
 317config ETRAX_SERIAL_PORT3
 318        bool "Serial port 3 enabled"
 319        depends on ETRAX_SERIAL
 320        help
 321          Enables the ETRAX 100 serial driver for ser3 (ttyS3).
 322
 323choice
 324        prompt "Ser3 DTR, RI, DSR and CD assignment"
 325        depends on ETRAX_SERIAL_PORT3
 326        default ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
 327
 328config ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
 329        bool "No_DTR_RI_DSR_CD"
 330
 331config ETRAX_SER3_DTR_RI_DSR_CD_ON_PA
 332        bool "DTR_RI_DSR_CD_on_PA"
 333
 334config ETRAX_SER3_DTR_RI_DSR_CD_ON_PB
 335        bool "DTR_RI_DSR_CD_on_PB"
 336
 337config ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 338        bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
 339
 340endchoice
 341
 342config ETRAX_SER3_DTR_ON_PA_BIT
 343        int "Ser3 DTR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 344        depends on ETRAX_SERIAL_PORT3
 345        default "-1"
 346
 347config ETRAX_SER3_RI_ON_PA_BIT
 348        int "Ser3 RI  on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 349        depends on ETRAX_SERIAL_PORT3
 350        default "-1"
 351
 352config ETRAX_SER3_DSR_ON_PA_BIT
 353        int "Ser3 DSR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 354        depends on ETRAX_SERIAL_PORT3
 355        default "-1"
 356
 357config ETRAX_SER3_CD_ON_PA_BIT
 358        int "Ser3 CD  on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 359        depends on ETRAX_SERIAL_PORT3
 360        default "-1"
 361
 362config ETRAX_SER3_DTR_ON_PB_BIT
 363        int "Ser3 DTR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 364        depends on ETRAX_SERIAL_PORT3
 365        default "-1"
 366
 367config ETRAX_SER3_RI_ON_PB_BIT
 368        int "Ser3 RI  on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 369        depends on ETRAX_SERIAL_PORT3
 370        default "-1"
 371
 372config ETRAX_SER3_DSR_ON_PB_BIT
 373        int "Ser3 DSR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 374        depends on ETRAX_SERIAL_PORT3
 375        default "-1"
 376
 377config ETRAX_SER3_CD_ON_PB_BIT
 378        int "Ser3 CD  on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
 379        depends on ETRAX_SERIAL_PORT3
 380        default "-1"
 381
 382config ETRAX_RS485
 383        bool "RS-485 support"
 384        depends on ETRAX_SERIAL
 385        help
 386          Enables support for RS-485 serial communication.  For a primer on
 387          RS-485, see <http://en.wikipedia.org/wiki/Rs485>
 388
 389config ETRAX_RS485_ON_PA
 390        bool "RS-485 mode on PA"
 391        depends on ETRAX_RS485
 392        help
 393          Control Driver Output Enable on RS485 transceiver using a pin on PA
 394          port:
 395          Axis 2400/2401 uses PA 3.
 396
 397config ETRAX_RS485_ON_PA_BIT
 398        int "RS-485 mode on PA bit"
 399        depends on ETRAX_RS485_ON_PA
 400        default "3"
 401        help
 402          Control Driver Output Enable on RS485 transceiver using a this bit
 403          on PA port.
 404
 405config ETRAX_RS485_DISABLE_RECEIVER
 406        bool "Disable serial receiver"
 407        depends on ETRAX_RS485
 408        help
 409          It's necessary to disable the serial receiver to avoid serial
 410          loopback.  Not all products are able to do this in software only.
 411          Axis 2400/2401 must disable receiver.
 412
 413config ETRAX_USB_HOST
 414        bool "USB host"
 415        select USB
 416        help
 417           This option enables the host functionality of the ETRAX 100LX
 418           built-in USB controller. In host mode the controller is designed
 419           for CTRL and BULK traffic only, INTR traffic may work as well
 420           however (depending on the requirements of timeliness).
 421
 422config ETRAX_USB_HOST_PORT1
 423        bool "USB port 1 enabled"
 424        depends on ETRAX_USB_HOST
 425        default n
 426
 427config ETRAX_USB_HOST_PORT2
 428        bool "USB port 2 enabled"
 429        depends on ETRAX_USB_HOST
 430        default n
 431
 432config ETRAX_PTABLE_SECTOR
 433        int "Byte-offset of partition table sector"
 434        depends on ETRAX_AXISFLASHMAP
 435        default "65536"
 436        help
 437          Byte-offset of the partition table in the first flash chip.
 438          The default value is 64kB and should not be changed unless
 439          you know exactly what you are doing. The only valid reason
 440          for changing this is when the flash block size is bigger
 441          than 64kB (e.g. when using two parallel 16 bit flashes).
 442
 443config ETRAX_I2C
 444        bool "I2C support"
 445        depends on ETRAX_ARCH_V10
 446        help
 447          Enables an I2C driver on ETRAX100.
 448          EXAMPLE usage:
 449          i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val);
 450          ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
 451          i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
 452          val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
 453
 454# this is true for most products since PB-I2C seems to be somewhat
 455# flawed..
 456config ETRAX_I2C_USES_PB_NOT_PB_I2C
 457        bool "I2C uses PB not PB-I2C"
 458        depends on ETRAX_I2C
 459        help
 460          Select whether to use the special I2C mode in the PB I/O register or
 461          not.  This option needs to be selected in order to use some drivers
 462          that access the I2C I/O pins directly instead of going through the
 463          I2C driver, like the DS1302 realtime-clock driver.  If you are
 464          uncertain, choose Y here.
 465
 466config ETRAX_I2C_DATA_PORT
 467        int "I2C SDA bit number"
 468        depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
 469        default "0"
 470        help
 471          Selects the pin on Port B where the data pin is connected
 472
 473config ETRAX_I2C_CLK_PORT
 474        int "I2C SCL bit number"
 475        depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
 476        default "1"
 477        help
 478          Select the pin on Port B where the clock pin is connected
 479
 480config ETRAX_I2C_EEPROM
 481        bool "I2C EEPROM (non-volatile RAM) support"
 482        depends on ETRAX_I2C
 483        help
 484          Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
 485          driver.  Select size option: Probed, 2k, 8k, 16k.
 486          (Probing works for 2k and 8k but not that well for 16k)
 487
 488choice
 489        prompt "EEPROM size"
 490        depends on ETRAX_I2C_EEPROM
 491        default ETRAX_I2C_EEPROM_PROBE
 492
 493config ETRAX_I2C_EEPROM_PROBE
 494        bool "Probed"
 495        help
 496          Specifies size or auto probe of the EEPROM size.
 497          Options: Probed, 2k, 8k, 16k.
 498          (Probing works for 2k and 8k but not that well for 16k)
 499
 500config ETRAX_I2C_EEPROM_2KB
 501        bool "2kB"
 502        help
 503          Use a 2kB EEPROM.
 504
 505config ETRAX_I2C_EEPROM_8KB
 506        bool "8kB"
 507        help
 508          Use a 8kB EEPROM.
 509
 510config ETRAX_I2C_EEPROM_16KB
 511        bool "16kB"
 512        help
 513          Use a 16kB EEPROM.
 514
 515endchoice
 516
 517config ETRAX_GPIO
 518        bool "GPIO support"
 519        depends on ETRAX_ARCH_V10
 520        ---help---
 521          Enables the ETRAX general port device (major 120, minors 0 and 1).
 522          You can use this driver to access the general port bits. It supports
 523          these ioctl's:
 524          #include <linux/etraxgpio.h>
 525          fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob
 526          ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set);
 527          ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear);
 528          val = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READBITS), NULL);
 529          Remember that you need to setup the port directions appropriately in
 530          the General configuration.
 531
 532config ETRAX_PA_BUTTON_BITMASK
 533        hex "PA-buttons bitmask"
 534        depends on ETRAX_GPIO
 535        default "02"
 536        help
 537          This is a bitmask with information about what bits on PA that
 538          are used for buttons.
 539          Most products has a so called TEST button on PA1, if that's true
 540          use 02 here.
 541          Use 00 if there are no buttons on PA.
 542          If the bitmask is <> 00 a button driver will be included in the gpio
 543          driver. ETRAX general I/O support must be enabled.
 544
 545config ETRAX_PA_CHANGEABLE_DIR
 546        hex "PA user changeable dir mask"
 547        depends on ETRAX_GPIO
 548        default "00"
 549        help
 550          This is a bitmask with information of what bits in PA that a user
 551          can change direction on using ioctl's.
 552          Bit set = changeable.
 553          You probably want 00 here.
 554
 555config ETRAX_PA_CHANGEABLE_BITS
 556        hex "PA user changeable bits mask"
 557        depends on ETRAX_GPIO
 558        default "FF"
 559        help
 560          This is a bitmask with information of what bits in PA that a user
 561          can change the value on using ioctl's.
 562          Bit set = changeable.
 563          You probably want 00 here.
 564
 565config ETRAX_PB_CHANGEABLE_DIR
 566        hex "PB user changeable dir mask"
 567        depends on ETRAX_GPIO
 568        default "00"
 569        help
 570          This is a bitmask with information of what bits in PB that a user
 571          can change direction on using ioctl's.
 572          Bit set = changeable.
 573          You probably want 00 here.
 574
 575config ETRAX_PB_CHANGEABLE_BITS
 576        hex "PB user changeable bits mask"
 577        depends on ETRAX_GPIO
 578        default "FF"
 579        help
 580          This is a bitmask with information of what bits in PB that a user
 581          can change the value on using ioctl's.
 582          Bit set = changeable.
 583          You probably want 00 here.
 584
 585config ETRAX_DS1302_RST_ON_GENERIC_PORT
 586        bool "DS1302 RST on Generic Port"
 587        depends on ETRAX_DS1302
 588        help
 589          If your product has the RST signal line for the DS1302 RTC on the
 590          Generic Port then say Y here, otherwise leave it as N in which
 591          case the RST signal line is assumed to be connected to Port PB
 592          (just like the SCL and SDA lines).
 593
 594config ETRAX_DS1302_RSTBIT
 595        int "DS1302 RST bit number"
 596        depends on ETRAX_DS1302
 597        default "2"
 598        help
 599          This is the bit number for the RST signal line of the DS1302 RTC on
 600          the selected port. If you have selected the generic port then it
 601          should be bit 27, otherwise your best bet is bit 5.
 602
 603config ETRAX_DS1302_SCLBIT
 604        int "DS1302 SCL bit number"
 605        depends on ETRAX_DS1302
 606        default "1"
 607        help
 608          This is the bit number for the SCL signal line of the DS1302 RTC on
 609          Port PB. This is probably best left at 3.
 610
 611config ETRAX_DS1302_SDABIT
 612        int "DS1302 SDA bit number"
 613        depends on ETRAX_DS1302
 614        default "0"
 615        help
 616          This is the bit number for the SDA signal line of the DS1302 RTC on
 617          Port PB. This is probably best left at 2.
 618
 619config ETRAX_DS1302_TRICKLE_CHARGE
 620        int "DS1302 Trickle charger value"
 621        depends on ETRAX_DS1302
 622        default "0"
 623        help
 624          This controls the initial value of the trickle charge register.
 625          0 = disabled (use this if you are unsure or have a non rechargeable battery)
 626          Otherwise the following values can be OR:ed together to control the
 627          charge current:
 628          1 = 2kohm, 2 = 4kohm, 3 = 4kohm
 629          4 = 1 diode, 8 = 2 diodes
 630          Allowed values are (increasing current): 0, 11, 10, 9, 7, 6, 5
 631
 632endif
 633
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