On Thu, Jun 4, 2015 at 11:43 PM, Alistair Francis
<alistair.fran...@xilinx.com> wrote:
> Move the hard coded register values to the init function.
> This also allows the entire reset function to be deleted, as
> PVR registers are now preserved on reset.
>
> The hardcoded PVR0 values can be removed as they are setting
> the endianness and stack protection, which is already done
> or invalid.
>
> Signed-off-by: Alistair Francis <alistair.fran...@xilinx.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
> ---
> V2:
> - Don't set PVR0
>
> hw/microblaze/petalogix_ml605_mmu.c | 18 ++++++------------
> 1 files changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/hw/microblaze/petalogix_ml605_mmu.c
> b/hw/microblaze/petalogix_ml605_mmu.c
> index 609c90b..ed84a37 100644
> --- a/hw/microblaze/petalogix_ml605_mmu.c
> +++ b/hw/microblaze/petalogix_ml605_mmu.c
> @@ -64,17 +64,6 @@
> #define SPI_IRQ 4
> #define UART16550_IRQ 5
>
> -static void machine_cpu_reset(MicroBlazeCPU *cpu)
> -{
> - CPUMBState *env = &cpu->env;
> -
> - env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
> - /* setup pvr to match kernel setting */
> - env->pvr.regs[0] |= (0x14 << 8);
> - env->pvr.regs[4] = 0xc56b8000;
> - env->pvr.regs[5] = 0xc56be000;
> -}
> -
> static void
> petalogix_ml605_init(MachineState *machine)
> {
> @@ -205,10 +194,15 @@ petalogix_ml605_init(MachineState *machine)
> }
> }
>
> + /* setup PVR to match kernel settings */
> + cpu->env.pvr.regs[4] = 0xc56b8000;
> + cpu->env.pvr.regs[5] = 0xc56be000;
> + cpu->env.pvr.regs[10] = 0x0e000000; /* virtex 6 */
> +
> microblaze_load_kernel(cpu, MEMORY_BASEADDR, ram_size,
> machine->initrd_filename,
> BINARY_DEVICE_TREE_FILE,
> - machine_cpu_reset);
> + NULL);
>
> }
>
> --
> 1.7.1
>
>
