meta-evb: meta-evb-arm: use kernel mctp stack

create mctp-local.service to

- configure serial parameters for /dev/ttyAMA1
- create the link with 'mctp' command
- configure local and remote EID for the link
- setup the endpoint with mctpd

Tested: pldm commands work and response is received from the MCP

Change-Id: If924376c4775229c1701924e154894e4eaefa362
Signed-off-by: Alexander Hansen <[email protected]>

Author: pointbazaar

meta-evb/meta-evb-arm/meta-evb-fvp-base/conf/machine/fvp.conf

@@ -6,6 +6,7 @@ include fvp-config.inc
 
 require conf/distro/include/phosphor-mmc.inc
 require conf/machine/include/arm/arch-armv8-4a.inc
+require conf/distro/include/mctp.inc
 require conf/distro/include/pldm.inc
 require conf/machine/include/obmc-evb-common.inc
 require conf/machine/include/obmc-bsp-common.inc

meta-evb/meta-evb-arm/meta-evb-fvp-base/recipes-phosphor/mctp/files/mctp-local.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=MCTP configuration for serial ttyAMA1
+After=mctpd.service
+Before=pldmd.service
+BindTo=mctpd.service
+
+[Service]
+Type=simple
+ExecStartPre=stty -F /dev/ttyAMA1 115200 litout -crtscts -ixon -echo raw
+ExecStart=mctp link serial /dev/ttyAMA1
+ExecStartPost=sleep 3
+ExecStartPost=mctp link set mctpserial0 up
+ExecStartPost=mctp addr add 8 dev mctpserial0
+ExecStartPost=mctp route add 18 via mctpserial0
+ExecStartPost=busctl call xyz.openbmc_project.MCTP /xyz/openbmc_project/mctp au.com.CodeConstruct.MCTP SetupEndpoint say mctpserial0 0
+
+[Install]
+WantedBy=mctpd.service

meta-evb/meta-evb-arm/meta-evb-fvp-base/recipes-phosphor/mctp/mctp_%.bbappend

@@ -0,0 +1,12 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+
+SRC_URI:append = " \
+  file://mctp-local.service \
+"
+
+SYSTEMD_SERVICE:${PN} += "mctp-local.service"
+
+do_install:append() {
+    install -m 0644 ${WORKDIR}/mctp-local.service ${D}${systemd_system_unitdir}/
+}
+

meta-evb/meta-evb-arm/meta-evb-fvp-base/recipes-phosphor/pldm/files/host_eid

@@ -1 +1 @@
-0
+18

meta-evb/meta-evb-arm/meta-evb-fvp-base/recipes-phosphor/pldm/pldm_%.bbappend

@@ -1,8 +1,12 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
 
+# increase the timeouts for our use-case,
+# refer to this layer's README.md
+
 EXTRA_OEMESON:append = " \
-                        -Doem-ibm=disabled \
-                       "
+  -Dresponse-time-out=4800 \
+  -Ddbus-timeout-value=10 \
+"
 
 SRC_URI:append = " file://host_eid "