Initial commit

meta-yadro/meta-nicole/recipes-phosphor/chassis/avsbus-control.bb

@@ -0,0 +1,25 @@
+SUMMARY = "Nicole AVSBus control"
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit obmc-phosphor-systemd
+
+RDEPENDS:${PN} += "i2c-tools"
+
+S = "${WORKDIR}"
+SRC_URI += "file://avsbus-control.sh"
+
+do_install() {
+        install -d ${D}${bindir}
+        install -m 0755 ${WORKDIR}/avsbus-control.sh \
+            ${D}${bindir}/avsbus-control.sh
+}
+
+TMPL= "avsbus-control@.service"
+INSTFMT= "avsbus-control@{0}.service"
+TGTFMT = "obmc-chassis-poweron@{0}.target"
+FMT = "../${TMPL}:${TGTFMT}.requires/${INSTFMT}"
+
+SYSTEMD_SERVICE:${PN} += "${TMPL}"
+SYSTEMD_LINK:${PN} += "${@compose_list(d, 'FMT', 'OBMC_CHASSIS_INSTANCES')}"

meta-yadro/meta-nicole/recipes-phosphor/chassis/avsbus-control/avsbus-control.sh

@@ -0,0 +1,31 @@
+#!/bin/sh -eu
+
+override_avs_settings()
+{
+    BUS=$1
+
+    i2cset -y "${BUS}" 0x44 0x00 0x00 b    # VCS
+    i2cset -y "${BUS}" 0x44 0x24 0x044C w  # VOUT_MAX 1100mV
+    i2cset -y "${BUS}" 0x44 0x40 0x0456 w  # VOUT_OV_FAULT_LIMIT 1110mV
+    i2cset -y "${BUS}" 0x44 0x25 0x0438 w  # VOUT_MARGING_HIGH 1080mV
+    i2cset -y "${BUS}" 0x44 0x26 0x03D4 w  # VOUT_MARGING_LOW 980mV
+    i2cset -y "${BUS}" 0x44 0x44 0x024E w  # VOUT_UV_FAULT_LIMIT 590mV
+    i2cset -y "${BUS}" 0x44 0x2B 0x0258 w  # VOUT_MIN 600mV
+
+    i2cset -y "${BUS}" 0x44 0x00 0x01 b    # VDD
+    i2cset -y "${BUS}" 0x44 0x24 0x044C w  # VOUT_MAX 1100mV
+    i2cset -y "${BUS}" 0x44 0x40 0x0456 w  # VOUT_OV_FAULT_LIMIT 1110mV
+    i2cset -y "${BUS}" 0x44 0x25 0x041A w  # VOUT_MARGING_HIGH 1050mV
+    i2cset -y "${BUS}" 0x44 0x26 0x03B6 w  # VOUT_MARGING_LOW 950mV
+    i2cset -y "${BUS}" 0x44 0x44 0x024E w  # VOUT_UV_FAULT_LIMIT 590mV
+    i2cset -y "${BUS}" 0x44 0x2B 0x0258 w  # VOUT_MIN 600mV
+
+    i2cset -y "${BUS}" 0x44 0x00 0xFF b   # All pages (VCS & VDD)
+    i2cset -y "${BUS}" 0x44 0x01 0xB0 b   # Enable
+
+    i2cset -y "${BUS}" 0x46 0x00 0x01 b    # VDN
+    i2cset -y "${BUS}" 0x46 0x01 0xB0 b    # Enable
+}
+
+override_avs_settings 4
+override_avs_settings 5

meta-yadro/meta-nicole/recipes-phosphor/chassis/avsbus-control/avsbus-control@.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=Enable the AVS bus on VRMs
+Wants=obmc-host-start-pre@%i.target
+Before=obmc-host-start-pre@%i.target
+Wants=obmc-power-on@%i.target
+After=obmc-power-on@%i.target
+Wants=fsi-scan@%i.service
+After=fsi-scan@%i.service
+Conflicts=obmc-chassis-poweroff@%i.target
+ConditionPathExists=!/run/openbmc/chassis@%i-on
+
+[Service]
+ExecStart=/usr/bin/avsbus-control.sh
+SyslogIdentifier=avsbus-control.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-poweron@%i.target
+