Re: [Qemu-devel] [PATCH 0/5] Fix MMC card detection for Realview boards

[Aurelien Jarno]

On Mon, Feb 21, 2011 at 08:57:48PM +0000, Peter Maydell wrote:
> This patchset fixes a number of problems which were preventing
> Linux on Realview boards (EB926, EB 11MPCore, PB-A8 and PBX)
> from recognising the presence of an MMC card. Basically the
> PL181 needs to export some output pins for card status,
> which we can then wire up to both a system register and a
> PL061 GPIO module. However we weren't actually instantiating
> the PL061 and in any case the ID registers weren't correct for
> Linux to detect it.
> 
> Combined with the SD card model patch I posted earlier
> (http://patchwork.ozlabs.org/patch/83594/) these patches
> allow Linux on a PBX to detect and mount an SD card rootfs.
> 
> (I'm doing this work not for the sake of the realview boards,
> but because it's also mostly necessary for the Versatile Express
> model patchset I'm cleaning up and hope to post shortly.)
> 
> Peter Maydell (5):
>   hw/pl181: Implement GPIO output pins for card status
>   hw/arm_sysctl.c: Wire MCI register MMC card status bits to GPIO inputs
>   hw/pl061.c: Implement ARM PL061 as well as Luminary one
>   hw/irq: Add qemu_irq_split() so one GPIO output can feed two inputs
>   hw/realview: Wire up the MMC card status
> 
>  hw/arm_sysctl.c |   47 ++++++++++++++++++++++++++++++++++++++++++++++-
>  hw/irq.c        |   15 +++++++++++++++
>  hw/irq.h        |    3 +++
>  hw/pl061.c      |   23 +++++++++++++++++++----
>  hw/pl181.c      |    6 ++++++
>  hw/primecell.h  |    4 ++++
>  hw/realview.c   |   29 ++++++++++++++++++++++++++---
>  hw/stellaris.c  |    2 +-
>  8 files changed, 120 insertions(+), 9 deletions(-)
> 

Thanks all applied.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net