[PATCH v4 1/1] powerpc/85xx: Add support for Emerson/Artesyn MVME2500.

2014-12-11 Thread Alessio Igor Bogani
Add support for the Artesyn MVME2500 Single Board Computer. The MVME2500 is a 6U form factor VME64 computer with: - A single Freescale QorIQ P2010 CPU - 1 GB of DDR3 onboard memory - Three Gigabit Ethernets - Five 16550 compatible UARTS - One USB 2.0 port,

Re: [PATCH] powerpc/powernv: Remove pnv_pci_probe_mode()

2014-12-11 Thread Benjamin Herrenschmidt
On Thu, 2014-12-11 at 17:00 +1100, Gavin Shan wrote: > The callback (ppc_md.pci_probe_mode()) is used to determine if the > child PCI devices of the indicated PCI bus should be probed from > device-tree or hardware. On PowerNV platform, we always expect > probing PCI devices from hardware, which is

Re: [PATCH] i2c-qoriq: modified compatibility for correct prescaler

2014-12-11 Thread Valentin Longchamp
Hi all, Picking up this issue again. On 11/26/2014 02:41 AM, Scott Wood wrote: > On Tue, 2014-11-25 at 19:13 +0100, Wolfram Sang wrote: >> On Mon, Nov 17, 2014 at 07:28:03PM -0600, Scott Wood wrote: >>> On Fri, 2014-11-14 at 09:28 +0100, Wolfram Sang wrote: >> >> If we're going to change

[PATCH] powerpc/kdump: skip enabling big endian exception during crash

2014-12-11 Thread Hari Bathini
In LE kernel, we currently have a hack for kexec that resets the exception endian before starting a new kernel as the kernel that is loaded could be a big endian or a little endian kernel. In kdump case, resetting exception endian fails when one or more cpus is disabled. But in case of kdump, we c

Re: [PATCH] powerpc/powernv: Print the M64 range information

2014-12-11 Thread Gavin Shan
On Thu, Dec 11, 2014 at 03:29:01PM +0800, Wei Yang wrote: >On Thu, Dec 11, 2014 at 09:40:30AM +1100, Gavin Shan wrote: >>On Wed, Dec 10, 2014 at 10:29:37PM +0800, Wei Yang wrote: >>>The M64 range information is missed, which would be helpful in debug. >>> >>>This patch print the M64 range informati

Re: powerpc/kdump: skip enabling big endian exception during crash

2014-12-11 Thread Michael Ellerman
On Thu, 2014-11-12 at 16:44:54 UTC, Hari Bathini wrote: > In LE kernel, we currently have a hack for kexec that resets the exception > endian > before starting a new kernel as the kernel that is loaded could be a big > endian > or a little endian kernel. In kdump case, resetting exception endian

Re: powerpc/kdump: skip enabling big endian exception during crash

2014-12-11 Thread Mahesh Jagannath Salgaonkar
On 12/12/2014 04:10 AM, Michael Ellerman wrote: > On Thu, 2014-11-12 at 16:44:54 UTC, Hari Bathini wrote: >> In LE kernel, we currently have a hack for kexec that resets the exception >> endian >> before starting a new kernel as the kernel that is loaded could be a big >> endian >> or a little en

Re: [PATCH] powerpc/powernv: Print the M64 range information

2014-12-11 Thread Wei Yang
On Fri, Dec 12, 2014 at 08:58:19AM +1100, Gavin Shan wrote: >On Thu, Dec 11, 2014 at 03:29:01PM +0800, Wei Yang wrote: >>On Thu, Dec 11, 2014 at 09:40:30AM +1100, Gavin Shan wrote: >>>On Wed, Dec 10, 2014 at 10:29:37PM +0800, Wei Yang wrote: The M64 range information is missed, which would be h

[PATCH] powerpc/powernv: Print the M64 range information in bootup log

2014-12-11 Thread Wei Yang
The M64 range information is missed in dmesg, which would be helpful in debug. This patch prints the M64 range information in the same format as M32. Signed-off-by: Wei Yang Reviewed-by: Gavin Shan V1: * use pr_info() instead of printk(KERN_INFO) --- arch/powerpc/platforms/powernv/pci-iod

Re: [PATCH 2 1/4] powerpc: drop the ability to tweak SMT mode at boot time

2014-12-11 Thread Michael Ellerman
On Wed, 2014-12-10 at 17:50 -0600, Scott Wood wrote: > On Wed, 2014-12-10 at 13:14 +1100, Michael Ellerman wrote: > > On Tue, 2014-12-09 at 18:14 -0600, Scott Wood wrote: > > > What benefit is there to ignoring "scripture" here? Going from an easy > > > to use command line option to needing to mes

Re: [PATCH 2 0/4] powerpc: don't mess with SMT at boot time

2014-12-11 Thread Michael Ellerman
On Fri, 2014-12-05 at 16:13 +0100, Greg Kurz wrote: > As requested by mpe, this series now covers both the smt-enabled > kernel parameter and the ibm,smt-enabled property. The cleanup was > split into 3 separate patches to ease review, but I guess they > could be folded into a single patch as well.

Re: [v3] i2c: Driver to expose PowerNV platform i2c busses

2014-12-11 Thread Michael Ellerman
On Tue, 2014-12-09 at 21:21 +1100, Benjamin Herrenschmidt wrote: > On Tue, 2014-12-09 at 20:45 +1100, Michael Ellerman wrote: > > On Mon, 2014-08-12 at 06:36:16 UTC, Neelesh Gupta wrote: > > > The patch exposes the available i2c busses on the PowerNV platform > > > to the kernel and implements the