[PATCH] Platform/ARM/Morello: Correct the private resources in PPTT

[PATCH] Platform/ARM/Morello: Correct the private resources in PPTT

[chandni cherukuri]

As per ACPI specification, only the head of the list needs to be
listed as a resources by a processore node, as cache node itself
contains a link to the next level of cache.

Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
---
 Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c | 3 +--
 Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
index 89fadbcb03..7c949812ec 100644
--- a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
+++ b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
@@ -389,8 +389,7 @@ EDKII_COMMON_PLATFORM_REPOSITORY_INFO CommonPlatformInfo = {
   // Resources private to each individual 'core instance in Cluster
   {
     { REFERENCE_TOKEN (CacheInfo[1]) }, // -> 'core's L1 I-cache in Cluster
-    { REFERENCE_TOKEN (CacheInfo[2]) }, // -> 'core's L1 D-cache in Cluster
-    { REFERENCE_TOKEN (CacheInfo[3]) }  // -> 'core's L2 cache in Cluster
+    { REFERENCE_TOKEN (CacheInfo[2]) }  // -> 'core's L1 D-cache in Cluster
   },
 
   // Resources private to the SoC
diff --git a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
index fea4a0efd2..09ebc9a842 100644
--- a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
+++ b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
@@ -205,9 +205,8 @@ HandleCmObjectRefByToken (
 /** The number of resources private to 'core instance
     - L1 data cache
     - L1 instruction cache
-    - L2 cache
 */
-#define CORE_RESOURCE_COUNT  3
+#define CORE_RESOURCE_COUNT  2
 
 /** The number of resources private to SoC
     - slc cache
-- 
2.17.1

Re: [edk2-devel] [PATCH] Platform/ARM/Morello: Correct the private resources in PPTT

[christopher.jones]

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Hi Chandni,

I have built and verified this patch and it looks good to me.

Reviewed-by: Chris Jones < christopher. jones @arm.com>

Thanks,
Chris

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Re: [PATCH] Platform/ARM/Morello: Correct the private resources in PPTT

[Sami Mujawar]

Pushed as 7bf73ecc3c47..442dfd5da647

Thanks.

Regards,

Sami Mujawar

On 19/05/2021 02:34 PM, Chandni Cherukuri wrote:
> As per ACPI specification, only the head of the list needs to be
> listed as a resources by a processore node, as cache node itself
> contains a link to the next level of cache.
>
> Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
> ---
>   Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c | 3 +--
>   Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h | 3 +--
>   2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> index 89fadbcb03..7c949812ec 100644
> --- a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> +++ b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> @@ -389,8 +389,7 @@ EDKII_COMMON_PLATFORM_REPOSITORY_INFO CommonPlatformInfo = {
>     // Resources private to each individual 'core instance in Cluster
>     {
>       { REFERENCE_TOKEN (CacheInfo[1]) }, // -> 'core's L1 I-cache in Cluster
> -    { REFERENCE_TOKEN (CacheInfo[2]) }, // -> 'core's L1 D-cache in Cluster
> -    { REFERENCE_TOKEN (CacheInfo[3]) }  // -> 'core's L2 cache in Cluster
> +    { REFERENCE_TOKEN (CacheInfo[2]) }  // -> 'core's L1 D-cache in Cluster
>     },
>   
>     // Resources private to the SoC
> diff --git a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> index fea4a0efd2..09ebc9a842 100644
> --- a/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> +++ b/Platform/ARM/Morello/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.h
> @@ -205,9 +205,8 @@ HandleCmObjectRefByToken (
>   /** The number of resources private to 'core instance
>       - L1 data cache
>       - L1 instruction cache
> -    - L2 cache
>   */
> -#define CORE_RESOURCE_COUNT  3
> +#define CORE_RESOURCE_COUNT  2
>   
>   /** The number of resources private to SoC
>       - slc cache