Re: [Qemu-devel] [RFC v5 0/5] hw/arm: add initial support for Canon DIGIC SoC: ping-ping-ping

[Antony Pavlov <antonynpavlov@gmail.com>]

On Fri, 20 Sep 2013 13:01:14 +0400
Antony Pavlov <antonynpavlov@gmail.com> wrote:

ping-ping-ping

> On Fri, 13 Sep 2013 18:37:27 +0400
> Antony Pavlov <antonynpavlov@gmail.com> wrote:
> 
> ping-ping
> 
> > On Sat,  7 Sep 2013 11:04:22 +0400
> > Antony Pavlov <antonynpavlov@gmail.com> wrote:
> > 
> > ping
> > > [RFC v5 1/5] hw/arm: add very initial support for Canon DIGIC SoC
> > > [RFC v5 2/5] hw/arm/digic: prepare DIGIC-based boards support
> > > [RFC v5 3/5] hw/arm/digic: add timer support
> > > [RFC v5 4/5] hw/arm/digic: add UART support
> > > [RFC v5 5/5] hw/arm/digic: add NOR ROM support
> > > 
> > > Changes since v4:
> > >  1. digic.h: parent_obj: change type Object -> DeviceState
> > >  2. digic-uart: drop reg array
> > >  3. digic_boards: fix K8P3215UQB comment
> > >  4. Makefile: place digic stuff in own line
> > >  5. drop cpu-qom.h inclusion
> > >  6. digic.h: add private/public labels
> > >  7. digic.h: fix guard macro
> > >  8. move base address macros to digic.c
> > >  9. fix header comments
> > > 
> > > Changes since v3:
> > >  1. fix typos and formatting
> > >  2. digic-timer: drop DPRINTF
> > >  3. digic-timer: fix DIGIC4_TIMER_BASE() macro
> > >  4. digic.c: fix max timer device string
> > > 
> > > Changes since v2:
> > >  1. rebase over latest master;
> > >    * pass available size to object_initialize().
> > >  2. digic-uart: qemu_log: use LOG_UNIMP instead LOG_GUEST_ERROR;
> > >  3. digic-boards: update rom image load code: introduce digic_load_rom().
> > > 
> > > Changes since v1:
> > >  0. drop the "add ARM946E-S CPU" patch;
> > >  1. convert to QOM, split DIGIC SoC code and board code
> > >     (thanks to Andreas Fa:rber, Peter Maydell and Peter Crosthwaite);
> > >  2. fix digic-uart (many thanks to Peter Crosthwaite
> > >     for his comments);
> > >  3. digic-boards: digic4_add_k8p3215uqb_rom(): update
> > >     rom image load code: use the '-bios' option.
> > > 
> > > DIGIC is Canon Inc.'s name for a family of SoC
> > > for digital cameras and camcorders.
> > > 
> > > See http://en.wikipedia.org/wiki/DIGIC for details.
> > > 
> > > There is no publicly available specification for
> > > DIGIC chips. All information about DIGIC chip
> > > internals is based on reverse engineering efforts
> > > made by CHDK (http://chdk.wikia.com) and
> > > Magic Lantern (http://www.magiclantern.fm) projects
> > > contributors.
> > > 
> > > Also this patch series adds initial support for Canon
> > > PowerShot A1100 IS compact camera (it is my only camera
> > > with connected UART interface). As the DIGIC-based cameras
> > > differences mostly are unsignificant (e.g. RAM-size,
> > > ROM type and size, GPIO usage) the other compact
> > > and DSLR cameras support can be easely added.
> > > 
> > > This DIGIC support patch series is inspired
> > > by EOS QEMU from Magic Lantern project.
> > > The main differences:
> > >  * EOS QEMU uses home-brew all-in-one monolith design;
> > >  this patch series uses conventional qemu object-centric design;
> > >  * EOS QEMU tries provide simplest emulation for most
> > >  controllers inside SoC to run Magic Lantern firmware;
> > >  this patch series provide more complete support
> > >  only for core devices to run barebox bootloader.
> > >   ** EOS QEMU does not support timer counting
> > >   (this patch series emulate 1 MHz counting);
> > >   ** EOS QEMU support DIGIC UART only for output
> > >   character to stderr; (this patch series emulate
> > >   introduces full blown UART interface);
> > >   ** EOS QEMU has incomplete ROM support;
> > >   (this patch series uses conventional qemu pflash).
> > > 
> > > This initial DIGIC support can't be used to run
> > > the original camera firmware, but it can successfully
> > > run experimental version of barebox bootloader
> > > (see http://www.barebox.org).
> > > 
> > > The last sources of barebox for PowerShot A1100 can be
> > > obtained here:
> > >   https://github.com/frantony/barebox/tree/next.digic.20130829
> > > 
> > > The precompiled ROM image usable with qemu can be
> > > obtained here:
> > >   https://github.com/frantony/barebox/blob/next.digic.20130829/canon-a1100-rom1.bin
> > > 
> > > This ROM image (after "dancing bit" encoding) can be run on
> > > real Canon A1100 camera.
> > > 
> > > The short build instruction for __previous__ DIGIC barebox
> > > version (it can be used with more recent sources too) can
> > > be obtained here:
> > >   http://lists.infradead.org/pipermail/barebox/2013-August/016007.html
> > 
> > 
> > -- 
> > Best regards,
> >   Antony Pavlov
> 
> -- 
> Best regards,
>   Antony Pavlov


-- 
-- 
Best regards,
  Antony Pavlov