[U-Boot] [PATCH v1 0/3] Enable PSCI services for booting Linux

Ang, Chee Hong chee.hong.ang at intel.com
Thu May 9 08:03:21 UTC 2019


On Thu, 2019-05-09 at 08:59 +0200, Marek Vasut wrote:
> On 5/9/19 7:52 AM, Ang, Chee Hong wrote:
> > 
> > On Mon, 2019-05-06 at 22:20 -0700, chee.hong.ang at intel.com wrote:
> > > 
> > > From: "Ang, Chee Hong" <chee.hong.ang at intel.com>
> > > 
> > > Add "SYTEM_RESET" (cold reset) and "CPU_ON" (SMP) PSCI support
> > > for booting Linux on Stratix 10 platform.
> > > 
> > > Ang, Chee Hong (3):
> > >   ARM: socfpga: stratix10: Enable PSCI system reset
> > >   ARM: socfpga: stratix10: Enable PSCI CPU_ON
> > >   ARM: socfpga: stratix10: Enable PSCI support for Stratix 10
> > > 
> > >  arch/arm/mach-socfpga/Kconfig  |  9 ++++++-
> > >  arch/arm/mach-socfpga/Makefile |  3 +++
> > >  arch/arm/mach-socfpga/psci.c   | 56
> > > ++++++++++++++++++++++++++++++++++++++++++
> > >  3 files changed, 67 insertions(+), 1 deletion(-)
> > >  create mode 100644 arch/arm/mach-socfpga/psci.c
> > > 
> > Hi Marek,
> > 
> > Any comment on this ? These PSCI patches are needed for booting
> > Linux
> > on our S10 platform.
> Same questions as in Re: [PATCH v1 0/3] Enable HPS execution stage
> notification , can we stop adding more and more stuff to arch/ and
> instead add it to drivers/ ? As you might have noticed, we are trying
> to
> remove stuff from arch/ and move as much as possible to drivers/ ,
> but
> S10 is doing the exact opposite :(
> 
Not all PSCI code fit in DM (drivers/). There should be a good place to
keep the PSCI code for our platform. Can you advise us where should we
place those PSCI implementation other than arch/ ? 


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