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bcm2835_property: implement framebuffer control/configuration properties

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The property channel driver now interfaces with the framebuffer device
to query and set framebuffer parameters. As a result of this, the "get
ARM RAM size" query now correctly returns the video RAM base address
(not total RAM size), and the ram-size property is no longer relevant
here.

Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Message-id: 1457467526-8840-5-git-send-email-Andrew.Baumann@microsoft.com
[AB: cleanup/refactoring for upstream submission]
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Grégory ESTRADE 2016-03-16 17:06:01 +00:00 • committed by Peter Maydell
parent 5e9c2a8dac
commit 355a8ccc5c
4 changed files with 144 additions and 15 deletions
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5
include/hw/misc/bcm2835_property.h
View file

@ -9,6 +9,7 @@
#include "hw/sysbus.h"
#include "exec/address-spaces.h"
#include "net/net.h"
#include "hw/display/bcm2835_fb.h"
#define TYPE_BCM2835_PROPERTY "bcm2835-property"
#define BCM2835_PROPERTY(obj) \
@ -18,13 +19,15 @@ typedef struct {
/*< private >*/
SysBusDevice busdev;
/*< public >*/
MemoryRegion *dma_mr;
AddressSpace dma_as;
MemoryRegion iomem;
qemu_irq mbox_irq;
BCM2835FBState *fbdev;
MACAddr macaddr;
uint32_t board_rev;
uint32_t ram_size;
uint32_t addr;
bool pending;
} BCM2835PropertyState;