summaryrefslogtreecommitdiffstats
path: root/src/include/usr
diff options
context:
space:
mode:
authorBrian Bakke <bbakke@us.ibm.com>2018-05-22 11:30:26 -0500
committerDaniel M. Crowell <dcrowell@us.ibm.com>2018-06-07 13:37:46 -0400
commite364f91be1727019dd594c57d496e5ce43e8f5f0 (patch)
tree3515d4777d5ca4705fc232b02110d6c480151eff /src/include/usr
parent0c6d58230e615000dee1a1940bf4bc84ad5c1798 (diff)
downloadtalos-hostboot-e364f91be1727019dd594c57d496e5ce43e8f5f0.tar.gz
talos-hostboot-e364f91be1727019dd594c57d496e5ce43e8f5f0.zip
Fixes to node IPC messaging to handle non-zero base addresses
Current code has each Node calculate each Remote Node's IPC area remote address by performing a fixed format calculation. This change has each Node calculating its IPC area Remote address and posting this value to a local SCOM register. A Node reads a Remote Node's SCOM register to acquire the Remote IPC area address. Change-Id: I25260ce180e0d07e5e81990d4c1f99e249912491 RTC:191463 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59177 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/include/usr')
-rw-r--r--src/include/usr/xscom/xscomif.H11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/include/usr/xscom/xscomif.H b/src/include/usr/xscom/xscomif.H
index 65b7410f1..e547c4621 100644
--- a/src/include/usr/xscom/xscomif.H
+++ b/src/include/usr/xscom/xscomif.H
@@ -35,7 +35,7 @@ namespace XSCOM
uint64_t get_master_bar( void );
/**
- * @brief Generate a fully-qualified MMIO address for a physical scom
+ * @brief Generate a fully-qualified MMIO address for a physical scom
* address, relative to the given processor target
* @param[in] i_proc - Processor
* @param[in] i_scomAddr - Physical scom address to convert
@@ -44,6 +44,15 @@ uint64_t get_master_bar( void );
uint64_t generate_mmio_addr( TARGETING::Target* i_proc,
uint64_t i_scomAddr );
+/**
+ * @brief Multicast Read of core XSCOM register on remote Node
+ * @param[in] i_node - logical Node Number
+ * @param[in] i_scomAddr - Physical scom address to read
+ * @return uint64_t - Register value
+ */
+uint64_t readRemoteCoreScomMultiCast( uint64_t i_node,
+ uint64_t i_scomAddr );
+
}; // namespace XSCOM
#endif // end __XSCOMIF_H
OpenPOWER on IntegriCloud