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28a3c1b5f1
Demonstrate how to use nios2 VIC on a machine.
Introduce a new machine property to attach a VIC.
When VIC is present, let the CPU know that it should use the
External Interrupt Interface instead of the Internal Interrupt Interface.
The devices on the machine are attached to the VIC and not directly to cpu.
To allow VIC update EIC fields, we set the "cpu" property of the VIC
with a reference to the nios2 cpu.
[rth: Put a property on the 10m50-ghrd machine, rather than
create a new machine class.]
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-6-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-63-richard.henderson@linaro.org>
13 lines
185 B
Text
13 lines
185 B
Text
config NIOS2_10M50
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bool
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select NIOS2
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select SERIAL
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select ALTERA_TIMER
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select NIOS2_VIC
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config NIOS2_GENERIC_NOMMU
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bool
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select NIOS2
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config NIOS2
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bool
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