Niklas Eiling
ae42fccb9a
fpga/ip/i2c: remove dead code and improve comment.
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2025-01-24 10:15:44 +01:00
Niklas Eiling
0990c16454
fpga: Fix I2c causing an error when Dino FMC is not connected. We loose the self check, but this is not really possible if there is no Dino FMC.
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2025-01-22 11:25:37 +01:00
Niklas Eiling
a3209aa344
use polling instead of interrupt
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but keep interrupts for i2c
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-02-26 11:50:44 +01:00
Niklas Eiling
2c72af935a
ips/i2c: move deinit to stop instead of destructor
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accessing register space from destructor can cause use after free errors
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-02-14 14:20:33 +01:00
Niklas Eiling
d6fd533f0c
ips/dma: make interrupt handling more robust
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-02-07 18:21:45 +01:00
Niklas Eiling
b5682290c2
I2c: use Switch::selfTest to check i2c bus
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
60c65c2880
verify more assumptions in i2c
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add selftest to I2c and readback Dino configuration to verify it was
actually set
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
335dd2c0ce
fix bug where Dino IP always read 0 from i2c. Add hardware mutex to I2c
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and to I2c::Switch
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
acaa4dd9de
improve i2c IP
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more code reuse, add function for reading from a register i.e. combined
write and read
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
08b666a548
make I2c destructor call to I2c::reset explicit
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
810b1259f8
fix double start of i2c bus driver and move channel map to header
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
48846ace39
i2c: add handling of BusNotBusy interrupt on reads. add retrying of
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channel reads in case inconsistent state was detected.
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
57177c074e
fix several issues with i2c implementation and add support for
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interacting with i2c switches
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
1578a26915
i2c: fix missing getMemoryBlocks method leading to unmapped memory
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
7e07da6e60
add i2c ip draft
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2024-01-09 17:14:05 +01:00
Niklas Eiling
d61337023e
add draft for i2c drvier implementation
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Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2023-12-13 15:17:26 +01:00
