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hw/misc/mps2-fpgaio: Support SWITCH register

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MPS3 boards have an extra SWITCH register in the FPGAIO block which
reports the value of some switches.  Implement this, governed by a
property the board code can use to specify whether whether it exists.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210215115138.20465-7-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-02-15 11:51:20 +00:00
parent e8556f435e
commit b2234223fd
2 changed files with 11 additions and 0 deletions
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1
include/hw/misc/mps2-fpgaio.h
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@ -38,6 +38,7 @@ struct MPS2FPGAIO {
MemoryRegion iomem;
LEDState *led[MPS2FPGAIO_MAX_LEDS];
uint32_t num_leds;
bool has_switches;
uint32_t led0;
uint32_t prescale;