Re: [Qemu-devel] [PATCH 0/2] sparc64: Fix NVRAM access mode

[Blue Swirl <blauwirbel@gmail.com>]

On Sat, Apr 27, 2013 at 7:12 AM, Artyom Tarasenko <atar4qemu@gmail.com> wrote:
> The sun4u machines use a slightly different modification of the ISA Mostek chip.
> It has MMIO, 1968 as a base year and no IRQ line. Since it matches our m48t08,
> make keep PIO behavior for the 59 model and use MMIO for the 8 model.

The chip is definitely m48t59 (SGS-Thompson, M48T59Y-70MH1), even if
the IRQ is not connected and software uses 1968 as the base year.

Please make the base year a qdev property and keep the model unchanged.

>
> This series fixes recognising Mostek RTC in the Linux/sparc64 guest.
>
> Artyom Tarasenko (2):
>   m48t59: use mmio for the m48t08 model of the m48t59_isa card
>   sparc64: Use the correct type of the Mostek NVRAM chip
>
>  hw/sparc64/sun4u.c |    5 ++++-
>  hw/timer/m48t59.c  |   38 +++++++++++++++++++++++++++++++++++---
>  2 files changed, 39 insertions(+), 4 deletions(-)
>