Re: [Qemu-devel] [PATCH v3] hw/arm/aspeed: Unlock SCU when running kernel

2017-11-15 Thread Cédric Le Goater
On 11/15/2017 11:56 AM, Peter Maydell wrote: > On 15 November 2017 at 08:18, Cédric Le Goater wrote: >> On 11/14/2017 01:20 PM, Joel Stanley wrote: >>> The ASPEED hardware contains a lock register for the SCU that disables >>> any writes to the SCU when it is locked. The machine comes up with the

Re: [Qemu-devel] [PATCH v3] hw/arm/aspeed: Unlock SCU when running kernel

2017-11-15 Thread Peter Maydell
On 15 November 2017 at 08:18, Cédric Le Goater wrote: > On 11/14/2017 01:20 PM, Joel Stanley wrote: >> The ASPEED hardware contains a lock register for the SCU that disables >> any writes to the SCU when it is locked. The machine comes up with the >> lock enabled, but on all known hardware u-boot

Re: [Qemu-devel] [PATCH v3] hw/arm/aspeed: Unlock SCU when running kernel

2017-11-15 Thread Cédric Le Goater
On 11/14/2017 01:20 PM, Joel Stanley wrote: > The ASPEED hardware contains a lock register for the SCU that disables > any writes to the SCU when it is locked. The machine comes up with the > lock enabled, but on all known hardware u-boot will unlock it and leave > it unlocked when loading the kern