6717f587a4
bcm2835_dma: add emulation of Raspberry Pi DMA controller
...
At present, all DMA transfers complete inline (so a looping descriptor
queue will lock up the device). We also do not model pause/abort,
arbitrarion/priority, or debug features.
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: 1457467526-8840-6-git-send-email-Andrew.Baumann@microsoft.com
[AB: implement 2D mode, 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 >
2016-03-16 17:42:18 +00:00
5e9c2a8dac
bcm2835_fb: add framebuffer device for Raspberry Pi
...
The framebuffer occupies the upper portion of memory (64MiB by
default), but it can only be controlled/configured via a system
mailbox or property channel (to be added by a subsequent patch).
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: 1457467526-8840-4-git-send-email-Andrew.Baumann@microsoft.com
[AB: added Windows (BGR) support and 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 >
2016-03-16 17:42:18 +00:00
97398d900c
bcm2835_aux: add emulation of BCM2835 AUX (aka UART1) block
...
At present only the core UART functions (data path for tx/rx) are
implemented, which is enough for UEFI to boot. The following
features/registers are unimplemented:
* Line/modem control
* Scratch register
* Extra control
* Baudrate
* SPI interfaces
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com >
Reviewed-by: Peter Maydell <peter.maydell@linaro.org >
Message-id: 1457467526-8840-3-git-send-email-Andrew.Baumann@microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org >
2016-03-16 17:42:18 +00:00
7c62aeb82a
bcm2835_peripherals: add rollup device for bcm2835 peripherals
...
This device maintains all the non-CPU peripherals on bcm2835 (Pi1)
which are also present on bcm2836 (Pi2). It also implements the
private address spaces used for DMA and mailboxes.
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com >
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com >
Signed-off-by: Peter Maydell <peter.maydell@linaro.org >
2016-02-03 15:00:45 +00:00
