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hw/misc/mps2-fpgaio: Make number of LEDs configurable by board

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The MPS2 board has 2 LEDs, but the MPS3 board has 10 LEDs.  The
FPGAIO device is similar on both sets of boards, but the LED0
register has correspondingly more bits that have an effect.  Add a
device property for number of LEDs.

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: 20210215115138.20465-6-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-02-15 11:51:19 +00:00
parent f7c71b21f2
commit e8556f435e
2 changed files with 27 additions and 9 deletions
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5
include/hw/misc/mps2-fpgaio.h
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@ -28,13 +28,16 @@
#define TYPE_MPS2_FPGAIO "mps2-fpgaio"
OBJECT_DECLARE_SIMPLE_TYPE(MPS2FPGAIO, MPS2_FPGAIO)
#define MPS2FPGAIO_MAX_LEDS 32
struct MPS2FPGAIO {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion iomem;
LEDState *led[2];
LEDState *led[MPS2FPGAIO_MAX_LEDS];
uint32_t num_leds;
uint32_t led0;
uint32_t prescale;