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bcm2835_property: implement "get board revision" query

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Return a valid value from the BCM2835 property mailbox query "get board
revision". This query is used by U-Boot. Implementing it fixes the first
obvious difference between qemu and real HW.

The value returned is currently hard-coded to match the RPi2 I own. Other
values are legal, e.g. different board manufacturer field values are
likely to exist in the wild.

Cc: Andrew Baumann <Andrew.Baumann@microsoft.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Message-id: 1454993910-24077-1-git-send-email-swarren@wwwdotorg.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Stephen Warren 2016-02-11 11:17:32 +00:00 • committed by Peter Maydell
parent 7ea686f5dd
commit f0afa73164
5 changed files with 9 additions and 2 deletions
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2
hw/arm/raspi.c
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@ -128,6 +128,8 @@ static void raspi2_init(MachineState *machine)
&error_abort);
object_property_set_int(OBJECT(&s->soc), smp_cpus, "enabled-cpus",
&error_abort);
object_property_set_int(OBJECT(&s->soc), 0xa21041, "board-rev",
&error_abort);
object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_abort);
setup_boot(machine, 2, machine->ram_size);