198 lines
6.2 KiB
Plaintext
198 lines
6.2 KiB
Plaintext
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if ETRAXFS
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menu "ETRAX FS options"
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depends on ETRAXFS
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config ETRAX_DRAM_VIRTUAL_BASE
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hex
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depends on ETRAX_ARCH_V32
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default "c0000000"
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config ETRAX_SERIAL_PORTS
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int
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default 4
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config ETRAX_MEM_GRP1_CONFIG
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hex "MEM_GRP1_CONFIG"
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depends on ETRAX_ARCH_V32
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default "4044a"
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help
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Waitstates for flash. The default value is suitable for the
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standard flashes used in axis products (120 ns).
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config ETRAX_MEM_GRP2_CONFIG
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hex "MEM_GRP2_CONFIG"
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depends on ETRAX_ARCH_V32
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default "0"
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help
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Waitstates for SRAM. 0 is a good choice for most Axis products.
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config ETRAX_MEM_GRP3_CONFIG
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hex "MEM_GRP3_CONFIG"
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depends on ETRAX_ARCH_V32
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default "0"
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help
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Waitstates for CSP0-3. 0 is a good choice for most Axis products.
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It may need to be changed if external devices such as extra
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register-mapped LEDs are used.
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config ETRAX_MEM_GRP4_CONFIG
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hex "MEM_GRP4_CONFIG"
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depends on ETRAX_ARCH_V32
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default "0"
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help
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Waitstates for CSP4-6. 0 is a good choice for most Axis products.
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config ETRAX_SDRAM_GRP0_CONFIG
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hex "SDRAM_GRP0_CONFIG"
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depends on ETRAX_ARCH_V32
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default "336"
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help
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SDRAM configuration for group 0. The value depends on the
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hardware configuration. The default value is suitable
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for 32 MB organized as two 16 bits chips (e.g. Axis
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part number 18550) connected as one 32 bit device (i.e. in
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the same group).
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config ETRAX_SDRAM_GRP1_CONFIG
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hex "SDRAM_GRP1_CONFIG"
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depends on ETRAX_ARCH_V32
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default "0"
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help
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SDRAM configuration for group 1. The default value is 0
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because group 1 is not used in the default configuration,
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described in the help for SDRAM_GRP0_CONFIG.
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config ETRAX_SDRAM_TIMING
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hex "SDRAM_TIMING"
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depends on ETRAX_ARCH_V32
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default "104a"
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help
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SDRAM timing parameters. The default value is ok for
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most hardwares but large SDRAMs may require a faster
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refresh (a.k.a 8K refresh). The default value implies
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100MHz clock and SDR mode.
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config ETRAX_SDRAM_COMMAND
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hex "SDRAM_COMMAND"
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depends on ETRAX_ARCH_V32
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default "0"
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help
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SDRAM command. Should be 0 unless you really know what
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you are doing (may be != 0 for unusual address line
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mappings such as in a MCM)..
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config ETRAX_DEF_GIO_PA_OE
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hex "GIO_PA_OE"
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depends on ETRAX_ARCH_V32
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default "1c"
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help
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Configures the direction of general port A bits. 1 is out, 0 is in.
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This is often totally different depending on the product used.
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There are some guidelines though - if you know that only LED's are
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connected to port PA, then they are usually connected to bits 2-4
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and you can therefore use 1c. On other boards which don't have the
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LED's at the general ports, these bits are used for all kinds of
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stuff. If you don't know what to use, it is always safe to put all
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as inputs, although floating inputs isn't good.
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config ETRAX_DEF_GIO_PA_OUT
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hex "GIO_PA_OUT"
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depends on ETRAX_ARCH_V32
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default "00"
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help
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Configures the initial data for the general port A bits. Most
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products should use 00 here.
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config ETRAX_DEF_GIO_PB_OE
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hex "GIO_PB_OE"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the direction of general port B bits. 1 is out, 0 is in.
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This is often totally different depending on the product used.
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There are some guidelines though - if you know that only LED's are
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connected to port PA, then they are usually connected to bits 2-4
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and you can therefore use 1c. On other boards which don't have the
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LED's at the general ports, these bits are used for all kinds of
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stuff. If you don't know what to use, it is always safe to put all
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as inputs, although floating inputs isn't good.
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config ETRAX_DEF_GIO_PB_OUT
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hex "GIO_PB_OUT"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the initial data for the general port B bits. Most
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products should use 00000 here.
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config ETRAX_DEF_GIO_PC_OE
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hex "GIO_PC_OE"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the direction of general port C bits. 1 is out, 0 is in.
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This is often totally different depending on the product used.
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There are some guidelines though - if you know that only LED's are
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connected to port PA, then they are usually connected to bits 2-4
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and you can therefore use 1c. On other boards which don't have the
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LED's at the general ports, these bits are used for all kinds of
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stuff. If you don't know what to use, it is always safe to put all
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as inputs, although floating inputs isn't good.
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config ETRAX_DEF_GIO_PC_OUT
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hex "GIO_PC_OUT"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the initial data for the general port C bits. Most
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products should use 00000 here.
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config ETRAX_DEF_GIO_PD_OE
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hex "GIO_PD_OE"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the direction of general port D bits. 1 is out, 0 is in.
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This is often totally different depending on the product used.
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There are some guidelines though - if you know that only LED's are
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connected to port PA, then they are usually connected to bits 2-4
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and you can therefore use 1c. On other boards which don't have the
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LED's at the general ports, these bits are used for all kinds of
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stuff. If you don't know what to use, it is always safe to put all
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as inputs, although floating inputs isn't good.
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config ETRAX_DEF_GIO_PD_OUT
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hex "GIO_PD_OUT"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the initial data for the general port D bits. Most
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products should use 00000 here.
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config ETRAX_DEF_GIO_PE_OE
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hex "GIO_PE_OE"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the direction of general port E bits. 1 is out, 0 is in.
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This is often totally different depending on the product used.
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There are some guidelines though - if you know that only LED's are
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connected to port PA, then they are usually connected to bits 2-4
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and you can therefore use 1c. On other boards which don't have the
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LED's at the general ports, these bits are used for all kinds of
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stuff. If you don't know what to use, it is always safe to put all
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as inputs, although floating inputs isn't good.
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config ETRAX_DEF_GIO_PE_OUT
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hex "GIO_PE_OUT"
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depends on ETRAX_ARCH_V32
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default "00000"
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help
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Configures the initial data for the general port E bits. Most
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products should use 00000 here.
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endmenu
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endif
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