1#!/bin/sh
2
3# ensure VCS ON_OFF_CONFIG set correctly from prior FW drivers
4# A side
5i2cset -y 4 0x70 0x00 0x01 b
6i2cset -y 4 0x70 0x02 0x16 b #respond to ENABLE pin
7i2cset -y 4 0x70 0x00 0x00 b
8# B side
9i2cset -y 5 0x70 0x00 0x01 b
10i2cset -y 5 0x70 0x02 0x16 b #respond to ENABLE pin
11i2cset -y 5 0x70 0x00 0x00 b
12
13# vddio = 1.0V, mdat/sdat PU enabled
14i2cset -y 4 0x12 0xFF 0x00 b # VDD/VCS 0
15i2cset -y 4 0x12 0x2E 0x03 b # VDD/VCS 0
16i2cset -y 4 0x13 0xFF 0x00 b # VDN 0
17i2cset -y 4 0x13 0x2E 0x03 b # VDN 0
18i2cset -y 5 0x12 0xFF 0x00 b # VDD/VCS 1
19i2cset -y 5 0x12 0x2E 0x03 b # VDD/VCS 1
20i2cset -y 5 0x13 0xFF 0x00 b # VDN 1
21i2cset -y 5 0x13 0x2E 0x03 b # VDN 1
22
23# A side VDDR - set to 1.23V
24i2cset -y 4 0x71 0x00 0x01
25i2cset -y 4 0x71 0x21 0x3B 0x01 i
26i2cset -y 4 0x71 0x00 0x00
27
28# B side VDDR - set to 1.23V
29i2cset -y 5 0x71 0x00 0x01
30i2cset -y 5 0x71 0x21 0x3B 0x01 i
31i2cset -y 5 0x71 0x00 0x00
32
33# VDN A - PGOOD_ON threshold
34i2cset -y 4 0x71 0x00 0x00 b # PAGE
35i2cset -y 4 0x71 0x5E 0xCD 0x00 i # set to 0.8V
36
37# VDN B - PGOOD_ON threshold
38i2cset -y 5 0x71 0x00 0x00 b # PAGE
39i2cset -y 5 0x71 0x5E 0xCD 0x00 i # set to 0.8V
40
41# unbind ucd driver to permit i2cset
42ucd_retries=5
43ucd=
44
45ucdpath="/sys/bus/i2c/drivers/ucd9000"
46if [ -e $ucdpath ]
47then
48  # shellcheck disable=SC2010
49  ucd=$(ls -1 $ucdpath | grep 64)
50  if [ -n "$ucd" ]
51  then
52    echo "$ucd" > $ucdpath/unbind
53  fi
54fi
55
56# make sure VCS ON_OFF_CONFIG set correctly from old FW releases
57i2cset -y 11 0x64 0x00 0x0E i
58i2cset -y 11 0x64 0x02 0x16 i
59i2cset -y 11 0x64 0x00 0x0F i
60i2cset -y 11 0x64 0x02 0x16 i
61
62## move memory enables to align with VDN (VDN to VDDR leakage issue)
63#GPO_CONFIG_1 (GPIO15) : mem 0 reg enables
64i2cset -y 11 0x64 0xF7 0x00 i
65i2cset -y 11 0x64 0xF8 0x15 0x6E 0x80 0x08 0x00 0x00 0x00 0x40 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 i
66#GPO_CONFIG_2 (GPIO7) : mem 1 reg enables
67i2cset -y 11 0x64 0xF7 0x01 i
68i2cset -y 11 0x64 0xF8 0x15 0x16 0x80 0x08 0x00 0x00 0x20 0x40 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 i
69
70# change VDN delays based on UCD MFR_REVISION setting
71REV=$(i2cget -y 11 0x64 0x9B i 2|cut -f2 -d' ')
72if [ "$REV" = "0x01" ] || [ "$REV" = "0x02" ] ; then
73  # use 20ms delay for VDN
74  #TON_DELAY rail 8
75  i2cset -y 11 0x64 0x00 0x07 i
76  i2cset -y 11 0x64 0x60 0x80 0xDA i
77  #TON_DELAY rail 9
78  i2cset -y 11 0x64 0x00 0x08 i
79  i2cset -y 11 0x64 0x60 0x80 0xDA i
80else
81  # use 70ms delay for VDN
82  #TON_DELAY rail 8
83  i2cset -y 11 0x64 0x00 0x07 i
84  i2cset -y 11 0x64 0x60 0x30 0xEA i
85  #TON_DELAY rail 9
86  i2cset -y 11 0x64 0x00 0x08 i
87  i2cset -y 11 0x64 0x60 0x30 0xEA i
88fi
89
90# Raise AVDD +100mV
91i2cset -y 11 0x64 0x00 0x09 i # set PAGE
92i2cset -y 11 0x64 0xF5 0x81 i # set margin_config
93i2cset -y 11 0x64 0x21 0x85 0x33 i # set VOUT_COMMAND
94
95# Increase over-current settings
96#VDD A phase current
97i2cset -y 4 0x12 0xFF 0x04 b    # set window register high byte to 4
98i2cset -y 4 0x12 0x3C 0x80 b    # Set to 64A
99#VDD B phase current
100i2cset -y 5 0x12 0xFF 0x04 b    # set window register high byte to 4
101i2cset -y 5 0x12 0x3C 0x80 b    # Set to 64A
102#VDD A master OC fault to 445A
103i2cset -y 4 0x70 0x00 0x00 b    # PAGE
104i2cset -y 4 0x70 0x46 0x08DE w
105# VDD A master OC warn to 326A
106i2cset -y 4 0x70 0x4A 0x08A3 w # A308
107#VDD B master OC fault to 445A
108i2cset -y 5 0x70 0x00 0x00 b    # PAGE
109i2cset -y 5 0x70 0x46 0x08DE w
110# VDD B master OC warn to 326A
111i2cset -y 5 0x70 0x4A 0x08A3 w
112#VCS phase current to 30A C/C
113i2cset -y 4 0x12 0xFF 0x08 b    # set window register to 8
114i2cset -y 4 0x12 0x3C 0x3C b    # 30A
115i2cset -y 5 0x12 0xFF 0x08 b    # set window register to 8
116i2cset -y 5 0x12 0x3C 0x3C b    # 30A
117#VCS master OC to 43A
118i2cset -y 4 0x70 0x00 0x01 # PAGE 1
119i2cset -y 4 0x70 0x46 0x0816 w # OC to 43A
120i2cset -y 5 0x70 0x00 0x01 # PAGE 1
121i2cset -y 5 0x70 0x46 0x0816 w # OC to 43A
122
123# re-bind ucd driver only if we unbound it (i.e. ucd has been set with a value)
124if [ -e $ucdpath ] && [ -n "$ucd" ]; then
125  j=0
126  until [ $j -ge $ucd_retries ] || [ -e "$ucdpath/$ucd" ]; do
127    j=$((j+1))
128    # shellcheck disable=2320
129    echo "$ucd" > $ucdpath/bind || ret=$?
130    if [ $j -gt 1 ]; then
131      echo "rebinding UCD driver. Retry number $j"
132      sleep 1
133    fi
134  done
135  if [ ! -e "$ucdpath/$ucd" ]; then exit "$ret"; fi
136fi
137