On Mon, Jan 19, 2015 at 12:35 PM, Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> wrote: > This patch lays the groundwork for switching sun4u over from ioport NVRAM > access to MMIO NVRAM access. > > Patch 1 introduces a new year_offset property which is the offset between the > year value stored in hardware and the actual year. In particular, Sun hardware > has a 68 year offset used to extend the date range of the IC. While the > kernel sources I have viewed contain this offset within a #ifdef CONFIG_SPARC > block, I've updated all the callers so that no change in behaviour will be > seen across all platforms. PPC users may wish to alter the callers to change > this behaviour as required. > > Patch 2 mimics the mem_base parameter from m48t59_init() to m48t59_init_isa() > so that MMIO can be used for sun4u where the NVRAM is attached to the ebus > which is essentially the same as an ISA bus. > > Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4q...@gmail.com> > Mark Cave-Ayland (2): > m48t59: introduce new year_offset qdev property > m48t59: add mem_base value to m48t59_init_isa() > > hw/ppc/ppc405_boards.c | 2 +- > hw/ppc/prep.c | 2 +- > hw/sparc/sun4m.c | 2 +- > hw/sparc64/sun4u.c | 2 +- > hw/timer/m48t59.c | 42 ++++++++++++++++++++++-------------------- > include/hw/timer/m48t59.h | 7 ++++--- > 6 files changed, 30 insertions(+), 27 deletions(-) > > -- > 1.7.10.4 > -- Regards, Artyom Tarasenko SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu
