Re: [Qemu-devel] [PATCH] hw/misc/zynq_slcr: Change CPU clock rate

2015-09-10 Thread Peter Crosthwaite
On Thu, Sep 10, 2015 at 6:57 PM, Guenter Roeck wrote: > Hi Peter, > > On Thu, Sep 10, 2015 at 04:26:13PM -0700, Peter Crosthwaite wrote: >> On Wed, Aug 12, 2015 at 7:24 AM, Guenter Roeck wrote: >> > The Linux kernel only accepts 34 Khz and 67 Khz clock rates, and >> > may crash if the act

Re: [Qemu-devel] [PATCH] hw/misc/zynq_slcr: Change CPU clock rate

2015-09-10 Thread Guenter Roeck
Hi Peter, On Thu, Sep 10, 2015 at 04:26:13PM -0700, Peter Crosthwaite wrote: > On Wed, Aug 12, 2015 at 7:24 AM, Guenter Roeck wrote: > > The Linux kernel only accepts 34 Khz and 67 Khz clock rates, and > > may crash if the actual clock rate is too low. The clock rate used to be > > (ps-cl

Re: [Qemu-devel] [PATCH] hw/misc/zynq_slcr: Change CPU clock rate

2015-09-10 Thread Peter Crosthwaite
On Wed, Aug 12, 2015 at 7:24 AM, Guenter Roeck wrote: > The Linux kernel only accepts 34 Khz and 67 Khz clock rates, and > may crash if the actual clock rate is too low. The clock rate used to be > (ps-clk-frequency * 26 / 4), which resulted in a CPU frequency of > 21 Khz if ps-clk-fre

[Qemu-devel] [PATCH] hw/misc/zynq_slcr: Change CPU clock rate

2015-08-12 Thread Guenter Roeck
The Linux kernel only accepts 34 Khz and 67 Khz clock rates, and may crash if the actual clock rate is too low. The clock rate used to be (ps-clk-frequency * 26 / 4), which resulted in a CPU frequency of 21 Khz if ps-clk-frequency was set to Hz. Change it to (ps-clk-frequency *