From fdc0491d6e3775e89d1cc7e1ef57182f854f840d Mon Sep 17 00:00:00 2001
From: Lei YU <mine260309@gmail.com>
Date: Thu, 22 Dec 2016 16:15:03 +0800
Subject: meta-romulus: Add CPLD workaround

Romulus power on scripts requires a workaround to trigger CPLD to give
pgood signal after vcs_workaround.
Add this as cpld_trigger service that runs after vcs_workaround and
before obmc-host-start-pre.

Change-Id: I0723bad38a5832f0bb2a8776129885308a8e644a
Signed-off-by: Lei YU <mine260309@gmail.com>
---
 .../recipes-phosphor/chassis/cpld-trigger.bb       | 28 ++++++++++++++++++++++
 .../chassis/cpld-trigger/cpld_trigger.sh           |  4 ++++
 .../chassis/cpld-trigger/cpld_trigger@.service     | 15 ++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100644 meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger.bb
 create mode 100644 meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger.sh
 create mode 100644 meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger@.service

(limited to 'meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor')

diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger.bb b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger.bb
new file mode 100644
index 000000000..4fb9e2090
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger.bb
@@ -0,0 +1,28 @@
+SUMMARY = "Romulus CPLD Trigger"
+DESCRIPTION = "Romulus power on workaround to trigger CPLD to continue power sequence"
+PR = "r0"
+
+inherit obmc-phosphor-systemd
+inherit obmc-phosphor-license
+
+RDEPENDS_${PN} += "obmc-pydevtools"
+
+PROVIDES += 'virtual/p9-vcs-workaround'
+RPROVIDES_${PN} += 'virtual-p9-vcs-workaround'
+
+S = "${WORKDIR}"
+SRC_URI += "file://cpld_trigger.sh"
+
+do_install() {
+        install -d ${D}${bindir}
+        install -m 0755 ${WORKDIR}/cpld_trigger.sh ${D}${bindir}/cpld_trigger.sh
+}
+
+TMPL = "cpld_trigger@.service"
+INSTFMT = "cpld_trigger@{0}.service"
+TGTFMT = "obmc-chassis-start@{0}.target"
+FMT = "../${TMPL}:${TGTFMT}.wants/${INSTFMT}"
+
+SYSTEMD_SERVICE_${PN} += "${TMPL}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT', 'OBMC_CHASSIS_INSTANCES')}"
+
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger.sh b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger.sh
new file mode 100644
index 000000000..9c7bf9a84
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Trigger CPLD to give pgood signal
+gpioutil -p S7 -d out -v 0
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger@.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger@.service
new file mode 100644
index 000000000..e96141891
--- /dev/null
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_trigger@.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=Trigger CPLD to give pgood
+Wants=vcs_workaround@%i.service
+After=vcs_workaround@%i.service
+Wants=obmc-host-start-pre@%i.target
+Before=obmc-host-start-pre@%i.target
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/cpld_trigger.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target
-- 
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