arch/cris/arch-v32/mach-fs/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 if ETRAXFS
   3
   4 menu "ETRAX FS options"
   5        depends on ETRAXFS
   6
   7 config ETRAX_DRAM_VIRTUAL_BASE
   8         hex
   9         depends on ETRAX_ARCH_V32
  10         default "c0000000"
  11
  12 config ETRAX_SERIAL_PORTS
  13        int
  14        default 4
  15
  16 config ETRAX_MEM_GRP1_CONFIG
  17         hex "MEM_GRP1_CONFIG"
  18         depends on ETRAX_ARCH_V32
  19         default "4044a"
  20         help
  21           Waitstates for flash. The default value is suitable for the
  22           standard flashes used in axis products (120 ns).
  23
  24 config ETRAX_MEM_GRP2_CONFIG
  25         hex "MEM_GRP2_CONFIG"
  26         depends on ETRAX_ARCH_V32
  27         default "0"
  28         help
  29           Waitstates for SRAM. 0 is a good choice for most Axis products.
  30
  31 config ETRAX_MEM_GRP3_CONFIG
  32         hex "MEM_GRP3_CONFIG"
  33         depends on ETRAX_ARCH_V32
  34         default "0"
  35         help
  36           Waitstates for CSP0-3. 0 is a good choice for most Axis products.
  37           It may need to be changed if external devices such as extra
  38           register-mapped LEDs are used.
  39
  40 config ETRAX_MEM_GRP4_CONFIG
  41         hex "MEM_GRP4_CONFIG"
  42         depends on ETRAX_ARCH_V32
  43         default "0"
  44         help
  45           Waitstates for CSP4-6. 0 is a good choice for most Axis products.
  46
  47 config ETRAX_SDRAM_GRP0_CONFIG
  48         hex "SDRAM_GRP0_CONFIG"
  49         depends on ETRAX_ARCH_V32
  50         default "336"
  51         help
  52           SDRAM configuration for group 0. The value depends on the
  53           hardware configuration. The default value is suitable
  54           for 32 MB organized as two 16 bits chips (e.g. Axis
  55           part number 18550) connected as one 32 bit device (i.e. in
  56           the same group).
  57
  58 config ETRAX_SDRAM_GRP1_CONFIG
  59         hex "SDRAM_GRP1_CONFIG"
  60         depends on ETRAX_ARCH_V32
  61         default "0"
  62         help
  63           SDRAM configuration for group 1. The default value is 0
  64           because group 1 is not used in the default configuration,
  65           described in the help for SDRAM_GRP0_CONFIG.
  66
  67 config ETRAX_SDRAM_TIMING
  68         hex "SDRAM_TIMING"
  69         depends on ETRAX_ARCH_V32
  70         default "104a"
  71         help
  72           SDRAM timing parameters. The default value is ok for
  73           most hardwares but large SDRAMs may require a faster
  74           refresh (a.k.a 8K refresh). The default value implies
  75           100MHz clock and SDR mode.
  76
  77 config ETRAX_SDRAM_COMMAND
  78         hex "SDRAM_COMMAND"
  79         depends on ETRAX_ARCH_V32
  80         default "0"
  81         help
  82           SDRAM command. Should be 0 unless you really know what
  83           you are doing (may be != 0 for unusual address line
  84           mappings such as in a MCM)..
  85
  86 config ETRAX_DEF_GIO_PA_OE
  87         hex "GIO_PA_OE"
  88         depends on ETRAX_ARCH_V32
  89         default "1c"
  90         help
  91           Configures the direction of general port A bits.  1 is out, 0 is in.
  92           This is often totally different depending on the product used.
  93           There are some guidelines though - if you know that only LED's are
  94           connected to port PA, then they are usually connected to bits 2-4
  95           and you can therefore use 1c.  On other boards which don't have the
  96           LED's at the general ports, these bits are used for all kinds of
  97           stuff.  If you don't know what to use, it is always safe to put all
  98           as inputs, although floating inputs isn't good.
  99
 100 config ETRAX_DEF_GIO_PA_OUT
 101         hex "GIO_PA_OUT"
 102         depends on ETRAX_ARCH_V32
 103         default "00"
 104         help
 105           Configures the initial data for the general port A bits.  Most
 106           products should use 00 here.
 107
 108 config ETRAX_DEF_GIO_PB_OE
 109         hex "GIO_PB_OE"
 110         depends on ETRAX_ARCH_V32
 111         default "00000"
 112         help
 113           Configures the direction of general port B bits.  1 is out, 0 is in.
 114           This is often totally different depending on the product used.
 115           There are some guidelines though - if you know that only LED's are
 116           connected to port PA, then they are usually connected to bits 2-4
 117           and you can therefore use 1c.  On other boards which don't have the
 118           LED's at the general ports, these bits are used for all kinds of
 119           stuff.  If you don't know what to use, it is always safe to put all
 120           as inputs, although floating inputs isn't good.
 121
 122 config ETRAX_DEF_GIO_PB_OUT
 123         hex "GIO_PB_OUT"
 124         depends on ETRAX_ARCH_V32
 125         default "00000"
 126         help
 127           Configures the initial data for the general port B bits.  Most
 128           products should use 00000 here.
 129
 130 config ETRAX_DEF_GIO_PC_OE
 131         hex "GIO_PC_OE"
 132         depends on ETRAX_ARCH_V32
 133         default "00000"
 134         help
 135           Configures the direction of general port C bits.  1 is out, 0 is in.
 136           This is often totally different depending on the product used.
 137           There are some guidelines though - if you know that only LED's are
 138           connected to port PA, then they are usually connected to bits 2-4
 139           and you can therefore use 1c.  On other boards which don't have the
 140           LED's at the general ports, these bits are used for all kinds of
 141           stuff.  If you don't know what to use, it is always safe to put all
 142           as inputs, although floating inputs isn't good.
 143
 144 config ETRAX_DEF_GIO_PC_OUT
 145         hex "GIO_PC_OUT"
 146         depends on ETRAX_ARCH_V32
 147         default "00000"
 148         help
 149           Configures the initial data for the general port C bits.  Most
 150           products should use 00000 here.
 151
 152 config ETRAX_DEF_GIO_PD_OE
 153         hex "GIO_PD_OE"
 154         depends on ETRAX_ARCH_V32
 155         default "00000"
 156         help
 157           Configures the direction of general port D bits.  1 is out, 0 is in.
 158           This is often totally different depending on the product used.
 159           There are some guidelines though - if you know that only LED's are
 160           connected to port PA, then they are usually connected to bits 2-4
 161           and you can therefore use 1c.  On other boards which don't have the
 162           LED's at the general ports, these bits are used for all kinds of
 163           stuff.  If you don't know what to use, it is always safe to put all
 164           as inputs, although floating inputs isn't good.
 165
 166 config ETRAX_DEF_GIO_PD_OUT
 167         hex "GIO_PD_OUT"
 168         depends on ETRAX_ARCH_V32
 169         default "00000"
 170         help
 171           Configures the initial data for the general port D bits.  Most
 172           products should use 00000 here.
 173
 174 config ETRAX_DEF_GIO_PE_OE
 175         hex "GIO_PE_OE"
 176         depends on ETRAX_ARCH_V32
 177         default "00000"
 178         help
 179           Configures the direction of general port E bits.  1 is out, 0 is in.
 180           This is often totally different depending on the product used.
 181           There are some guidelines though - if you know that only LED's are
 182           connected to port PA, then they are usually connected to bits 2-4
 183           and you can therefore use 1c.  On other boards which don't have the
 184           LED's at the general ports, these bits are used for all kinds of
 185           stuff.  If you don't know what to use, it is always safe to put all
 186           as inputs, although floating inputs isn't good.
 187
 188 config ETRAX_DEF_GIO_PE_OUT
 189         hex "GIO_PE_OUT"
 190         depends on ETRAX_ARCH_V32
 191         default "00000"
 192         help
 193           Configures the initial data for the general port E bits.  Most
 194           products should use 00000 here.
 195
 196 endmenu
 197
 198 endif