On Sun, Nov 19, 2017 at 09:24:08PM -0600, Michael Davidsaver wrote: > This series adds simulation of MVME3100 powerpc SBCs, originally from > Motorola, > and now sold by Artesyn[1]. There are two variants differing in CPU > speed and memory size. > > I've been working on this sporadically for the past 2 year. Recently I've > finished all the features which I have in mind. If this series is accepted > there is a continuation which adds VME bus. I've found it > useful in software compatibility testing. I wonder if there is > any interest at large? > > > There are two main parts of this series. 1-5 are changing code common > with the "ppce500" and "mpc8544ds" boards, with the remainder being > additions. > > The changes are to how the CCSR region is handled in order to support > the CCSRBAR register which allows the whole region to be relocated. > Also added are a couple of memory and clock configuration registers > which RTEMS guests read. > > #3 is actually a minor issue I found recently with the mpc8544 PCI host > bridge, > which I'm uncertain how to address. The host bridge device 0:0 identifies > itself as a bridge, but doesn't properly implement the bridge config > registers. > This confuses Linux, which then does a full re-enumeration (successfully). > > The rest are additions of an I2C controller, an I2C eeprom, an I2C RTC, > and new board code. > > My testing has been almost exclusively with an RTEMS guest[2]. > Though I have recently done a little with Linux. > > RTEMS guests (and Linux too for now) require a stub bootloader[3] to > put the system in the same state as the real bootloader. > RTEMS has an unfortunately strong dependence on bootloader > provided configuration (eg. it doesn't re-enumerate the PCI bus).
I've applied several patches from this series to ppc-for-2.12, others
I've commented on. If you could address the comments and rebase
what's left on ppc-for-2.12, that would be great.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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