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Re: [Qemu-devel] [PATCH 0/2] sparc64: Fix NVRAM access mode
From: |
Blue Swirl |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] sparc64: Fix NVRAM access mode |
Date: |
Sat, 27 Apr 2013 11:39:10 +0000 |
On Sat, Apr 27, 2013 at 7:12 AM, Artyom Tarasenko <address@hidden> 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(-)
>