 H. Peter Anvin
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46c873bd12
abcbus: make INT#, NMI#, RESIN# and WAIT#/RDY explicitly controllable
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3 years ago |
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H. Peter Anvin
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9daa6e28a5
abcbus: don't trigger RESIN# on internal reset
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3 years ago |
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H. Peter Anvin
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4a0966e759
abcbus: put the I/O status register (INP 1) in a separate SRAM
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3 years ago |
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H. Peter Anvin
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338c4e1649
fpga/abcbus: fix clear_irq signal
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3 years ago |
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H. Peter Anvin
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dd69eafb99
Many timing fixes; better IRQ handling for abcbus
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3 years ago |
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H. Peter Anvin
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df521ce35f
abcbus: fix missing clock to ABC-bus synchronizer
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3 years ago |
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H. Peter Anvin
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ec99762a84
Use waitirq rather than suspending a memory transaction for SD card
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3 years ago |
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H. Peter Anvin
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56753cd6a3
abcbus: move abcbus to separate module; add I/O status register
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3 years ago |
