pnor: Add AST Mailbox protocol support

This adds a new alternative PnorDD that uses the Asped AST Mbox protocol
as supported by OpenBMC.

To enable this, you need these changes to the config:

@@ -1,10 +1,12 @@
-# The Serial Flash Controller is the AST2400 BMC.
-set   SFC_IS_AST2500
+# We use BMC MBOX protocol for flash accesses
+set PNORDD_IS_BMCMBOX
+unset PNORDD_IS_SFC
+unset SFC_IS_AST2500
 unset SFC_IS_AST2400
 unset BMC_DOES_SFC_INIT
 unset SFC_IS_IBM_DPSS
-set   ALLOW_MICRON_PNOR
-set   ALLOW_MACRONIX_PNOR
+unset ALLOW_MICRON_PNOR
+unset ALLOW_MACRONIX_PNOR

Other systems need to set PNORDD_IS_SFC

Change-Id: I8901288c98d8d0fce8c9a0fb31267f0001b2a731
Not-yet-signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
RTC: 170096
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/39387
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Matthew A. Ploetz <maploetz@us.ibm.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/usr/pnor/makefile b/src/usr/pnor/makefile
index b2c261a4b..d7609af13 100644
--- a/src/usr/pnor/makefile
+++ b/src/usr/pnor/makefile
@@ -5,7 +5,7 @@
 #
 # OpenPOWER HostBoot Project
 #
-# Contributors Listed Below - COPYRIGHT 2011,2016
+# Contributors Listed Below - COPYRIGHT 2011,2017
 # [+] Google Inc.
 # [+] International Business Machines Corp.
 #
@@ -30,7 +30,9 @@ MODULE = pnor
 OBJS += pnor_utils.o
 OBJS += pnorrp.o
 OBJS += $(if $(CONFIG_SECUREBOOT),spnorrp.o)
-OBJS += pnordd.o
+OBJS += $(if $(CONFIG_PNORDD_IS_SFC),pnordd.o)
+OBJS += $(if $(CONFIG_PNORDD_IS_BMCMBOX),ast_mboxdd.o)
+OBJS += $(if $(CONFIG_PNORDD_IS_BMCMBOX),pnor_mboxdd.o)
 OBJS += pnor_common.o
 OBJS += pnorvalid.o
 OBJS += ecc.o
@@ -51,3 +53,4 @@ SUBDIRS += test.d
 SUBDIRS += runtime.d
 
 include ${ROOTPATH}/config.mk
+