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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
Download patch file Download diff file Expand all files Collapse all files

4
hw/misc/bcm2835_property.c
View file

@ -43,8 +43,7 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
resplen = 4;
break;
case 0x00010002: /* Get board revision */
qemu_log_mask(LOG_UNIMP,
"bcm2835_property: %x get board revision NYI\n", tag);
stl_phys(&s->dma_as, value + 12, s->board_rev);
resplen = 4;
break;
case 0x00010003: /* Get board MAC address */
@ -258,6 +257,7 @@ static void bcm2835_property_realize(DeviceState *dev, Error **errp)
}
static Property bcm2835_property_props[] = {
DEFINE_PROP_UINT32("board-rev", BCM2835PropertyState, board_rev, 0),
DEFINE_PROP_UINT32("ram-size", BCM2835PropertyState, ram_size, 0),
DEFINE_PROP_END_OF_LIST()
};