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oh/gpio/hdl/gpio_regmap.vh
aolofsson 289024fd89 Flattening directory tree (again)
- Creating an arbitrary 'src' directory really doesn't help much...
- Goal is to make each folder self contained
- Make meta repos and individual repos have the same directory structure
2022-06-21 14:48:48 -04:00

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Systemverilog

//64 bit registers, maps to addr[6:3]
`ifndef GPIO_REGMAP_VH_
`define GPIO_REGMAP_VH_
`define GPIO_DIR 4'h0 // set direction of pin
`define GPIO_IN 4'h1 // input data (read only)
`define GPIO_OUT 4'h2 // output data (write only)
`define GPIO_OUTCLR 4'h3 // alias, clears specific bits in GPIO_OUT
`define GPIO_OUTSET 4'h4 // alias, sets specific bits in GPIO_OUT
`define GPIO_OUTXOR 4'h5 // alias, toggles specific bits in GPIO_OUT
`define GPIO_IMASK 4'h6 // interrupt mask
`define GPIO_ITYPE 4'h7 // interrupt type (level/edge)
`define GPIO_IPOL 4'h8 // interrupt polarity (falling/rising edge)
`define GPIO_ILAT 4'h9 // latched interrupts (read only)
`define GPIO_ILATCLR 4'hA // clear an interrupt
`endif