MPIPL: Reserve memory to capture architected registers data

- Split SPIRAH memory to accommodate architected register ntuple.
  Today we have 1K memory for SPIRAH and it uses 288 bytes. Lets split
  this into two parts :
    SPIRAH (756 bytes)
    architected register memory (256 bytes)

- Update SPIRAH architected register ntuple

- Calculate memory required to capture architected registers data
  Ideally we should use HDAT provided data (proc_dump_area->thread_size).
  But we are not getting this data during boot. Hence lets reserve fixed
  memory for architected registers data collection.

- Add architected registers destination memory to reserve-memory DT node.

Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[oliver: rebased]
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/hdata/spira.c b/hdata/spira.c
index 0c44a66..e118e22 100644
--- a/hdata/spira.c
+++ b/hdata/spira.c
@@ -207,6 +207,13 @@ __section(".spirah.data") struct spirah spirah = {
 			.alloc_len      = CPU_TO_BE32(sizeof(struct mdrt_table)),
 			.act_len        = CPU_TO_BE32(sizeof(struct mdrt_table)),
 		},
+		.proc_dump_area = {
+			.addr		= CPU_TO_BE64(PROC_DUMP_AREA_OFF),
+			.alloc_cnt	= CPU_TO_BE16(1),
+			.act_cnt	= CPU_TO_BE16(1),
+			.alloc_len	= CPU_TO_BE32(sizeof(struct proc_dump_area)),
+			.act_len	= CPU_TO_BE32(sizeof(struct proc_dump_area)),
+		},
 	},
 };