Re: [Qemu-devel] [PATCH target-arm v2 02/15] target-arm: cpu64: Add support for cortex-a53

["Alex Bennée" <alex.bennee@linaro.org>]

Peter Crosthwaite <peter.crosthwaite@xilinx.com> writes:

> Similar to a53, but with different L1 I cache policy, phys addr size and
> different cache geometries. The cache sizes is implementation
> configurable, but use these values (from Xilinx MPSoC) as a default
> until cache size configurability is added.
>
> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  target-arm/cpu64.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/target-arm/cpu64.c b/target-arm/cpu64.c
> index 5cf3121..0b9728e 100644
> --- a/target-arm/cpu64.c
> +++ b/target-arm/cpu64.c
> @@ -148,6 +148,20 @@ static void aarch64_a57_initfn(Object *obj)
>      cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
>  }
>  
> +static void aarch64_a53_initfn(Object *obj)
> +{
> +    ARMCPU *cpu = ARM_CPU(obj);
> +
> +    aarch64_axx_initfn(cpu);
> +
> +    cpu->midr = 0x410fd034;
> +    cpu->ctr = 0x84448004; /* L1Ip = VIPT */
> +    cpu->id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
> +    cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
> +    cpu->ccsidr[1] = 0x201fe00a; /* 32KB L1 icache */
> +    cpu->ccsidr[2] = 0x707fe07a; /* 1024KB L2 cache */
> +}
> +
>  #ifdef CONFIG_USER_ONLY
>  static void aarch64_any_initfn(Object *obj)
>  {
> @@ -175,6 +189,7 @@ typedef struct ARMCPUInfo {
>  
>  static const ARMCPUInfo aarch64_cpus[] = {
>      { .name = "cortex-a57",         .initfn = aarch64_a57_initfn },
> +    { .name = "cortex-a53",         .initfn = aarch64_a53_initfn },
>  #ifdef CONFIG_USER_ONLY
>      { .name = "any",         .initfn = aarch64_any_initfn },
>  #endif

-- 
Alex Bennée