Rev |
Log message |
Author |
Age |
Path |
88 |
Adjusted copyright date. |
dgisselq |
2937d 08h |
/xulalx25soc/trunk |
87 |
Placed the interrupt into the carry chain for less logic area. |
dgisselq |
2937d 08h |
/xulalx25soc/trunk |
86 |
Fine tuning the `defines, so that you can build pipelined without pipelined
bus access and so forth. |
dgisselq |
2937d 08h |
/xulalx25soc/trunk |
85 |
First version of the SD-SPI interface, with partial functionality. (No the
empty link that was here before.) |
dgisselq |
2941d 05h |
/xulalx25soc/trunk |
84 |
First part of switching to proper sdspi.v, and not just the link. |
dgisselq |
2941d 06h |
/xulalx25soc/trunk |
83 |
Fixes a bug in the LX9 build whereby the flash was never ever granted permission
to use the SPI port. |
dgisselq |
2942d 09h |
/xulalx25soc/trunk |
82 |
|
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
81 |
Adds register values for the SD-Card registers. |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
80 |
Currently working version: contains both a working DMA controller as well as
a working (as far as I can tell) SD-Card controller (writes not yet tested). |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
79 |
Adds 'bench' and 'sw' targets, and automatically builds them (now). |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
78 |
Comments out the line that caused a compiler warning--setting an unused
variable. Code should be better as a result. |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
77 |
Adds register names and values for the SD card interface. |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
76 |
Now tries to avoid reading from the stack if the stack addresses are already
known to be bad. That way, the debugger tries to preserve any bus error address
already on the buserr device. |
dgisselq |
2943d 04h |
/xulalx25soc/trunk |
75 |
Added simulation capability for the SD-Card, as well as debugging output for the
DMA. (The SD-Card debug may not be fully featured, yet, but it has gotten me
to where I can talk to the card.) |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
74 |
Adds the SD-card capability, and connects the debug wires to/from the uartdev
in case it needs to be debugged. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
73 |
Simplified logic. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
72 |
Sets XULA25 as the default. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
71 |
Needed to play with subtle timing to get this to build. Expect me to play
with these two clock numbers more. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
70 |
Cosmetic (minor) update. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
69 |
Massive logic simplification. This is also the first (verified) working
version. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
68 |
Fixes the debug ack line, so it no longer acks when there isn't a dbg_stb.
Fixed the multiply option parameter, so it sets a 3-clock multiply properly.
Adjusted the watchdog timer so that it now produces a timer that doesn't
reload--since this is pointless for a watchdog. Finally, connects a reset
line to the DMA, to make certain that resetting the CPU will also reset any
ongoing DMA operation. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
67 |
Simplifies logic, and guarantees that the minimum set value will always
produce an int. For example, if the count was X before, setting X-1 wouldn't
produce an interrupt since it had passed. Now it produces an interrupt, and
keeps the next interrupt valid. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
66 |
Simplified logic (barely). |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
65 |
Makes the auto-reload feature a parameterized (generic) feature, so the same
code will work for both auto-reloadable and non-autoreloadable (i.e. watchdog)
timers. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
64 |
First (verified) working version. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
63 |
Simplified logic. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
62 |
Removed the pipe logic from the non-pipelined version, and made the NOOP a
specific ALU instruction so that the PC is always properly updated. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
61 |
Fixed the timing control wires: busy and valid will never both be true. Busy
will be true (now) until valid is asserted, and busy will never not be
asserted until valid is true. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
60 |
LONG_MPY upgrade. This is part of swapping out the LDIHI instruction for a
MPY, and the MPYS and MPYU instructions for MPYSHI and MPYUHI respectively. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |
59 |
Simplified logic. |
dgisselq |
2943d 05h |
/xulalx25soc/trunk |