arm64: platform: tegra: support for Denver MCA

This patch :
- defines MCA_ARI_SERR_IDX_OFF
which is used to caculate the ARI index which is
required to read another Denver's core MCAs banks.

- adds macro for converting logical cpu number to
phycial cpu number

Change-Id: I13f27c5a8094c397f6b7a8095ec8d1451c596947
Signed-off-by: Rohit Khanna <rokhanna@nvidia.com>
Reviewed-on: http://git-master/r/1220279
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/platform/tegra/ari_mca.h b/include/linux/platform/tegra/ari_mca.h
index a707d2cb6..b070ad5f4 100644
--- a/include/linux/platform/tegra/ari_mca.h
+++ b/include/linux/platform/tegra/ari_mca.h
@@ -61,6 +61,8 @@ enum {
         MCA_ARI_CMD_RD_PREBOOT_SERR = 0x08,
 };
 
+#define MCA_ARI_SERR_IDX_OFF    6
+
 enum {
         MCA_ARI_IDX_ASERR0 = 0x00,
         MCA_ARI_IDX_ASERR1 = 0x01,
diff --git a/include/linux/platform/tegra/tegra18_cpu_map.h b/include/linux/platform/tegra/tegra18_cpu_map.h
index 9b79700e1..826498c20 100644
--- a/include/linux/platform/tegra/tegra18_cpu_map.h
+++ b/include/linux/platform/tegra/tegra18_cpu_map.h
@@ -20,3 +20,9 @@ static inline int tegra18_is_cpu_arm(u8 cpu)
 {
         return tegra18_logical_to_cluster(cpu) == 1;
 }
+
+static inline int tegra18_logical_to_physical_cpu(u8 cpu)
+{
+        return (tegra18_logical_to_cluster(cpu) << 2) +
+                tegra18_logical_to_cpu(cpu);
+}