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f9f18906a3
This makes the control bus currently going out of "soc" towards litedram more generic for external IO devices added by the top-level rather than inside the SoC proper. This is mostly renaming of signals and a small change on how the address decoder operates, using a separate "cascaded" decode for the external IOs. We make the region 0xc8nn_nnnn be the "external IO" region for now. This will make it easier / cleaner to add more external devices. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
5 years ago | |
|---|---|---|
| .. | ||
| LICENSE | ||
| arty_a7.xdc | 5 years ago | |
| clk_gen_bypass.vhd | ||
| clk_gen_mcmm.vhd | ||
| clk_gen_plle2.vhd | ||
| cmod_a7-35.xdc | ||
| firmware.hex | ||
| hello_world.hex | ||
| main_bram.vhdl | ||
| nexys-video.xdc | 5 years ago | |
| nexys_a7.xdc | ||
| pp_fifo.vhd | ||
| pp_soc_uart.vhd | 5 years ago | |
| pp_utilities.vhd | ||
| soc_reset.vhdl | 5 years ago | |
| soc_reset_tb.vhdl | 5 years ago | |
| top-arty.vhdl | 5 years ago | |
| top-generic.vhdl | 5 years ago | |
| top-nexys-video.vhdl | 5 years ago | |