diff options
Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/fbutils/files/ast-functions')
| -rw-r--r-- | meta-facebook/meta-wedge/recipes-wedge/fbutils/files/ast-functions | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/ast-functions b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/ast-functions deleted file mode 100644 index dd53ad1..0000000 --- a/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/ast-functions +++ /dev/null @@ -1,222 +0,0 @@ -# Copyright 2014-present Facebook. All Rights Reserved. -DEVMEM=/sbin/devmem - -devmem_set_bit() { - local addr - local val - addr=$1 - val=$($DEVMEM $addr) - val=$((val | (0x1 << $2))) - $DEVMEM $addr 32 $val -} - -devmem_clear_bit() { - local addr - local val - addr=$1 - val=$($DEVMEM $addr) - val=$((val & ~(0x1 << $2))) - $DEVMEM $addr 32 $val -} - -scu_addr() { - echo $((0x1E6E2000 + 0x$1)) -} - -GPIODIR="/sys/class/gpio" -GPIOEXPORT="$GPIODIR/export" - -gpio_dir() { - echo "$GPIODIR/gpio$1" -} - -gpio_name2value() { - local first remaining base val - remaining=$1 - val=0 - while [ -n "$remaining" ]; do - first=${remaining:0:1} - case "$first" in - [[:lower:]]) - base=$(printf "%d" "'$first'") - base=$((base - 96)) - val=$((val * 26 + base)) - ;; - [[:upper:]]) - base=$(printf "%d" "'$first'") - base=$((base - 64)) - val=$((val * 26 + base)) - ;; - *) - if [ $val -gt 0 ]; then - val=$((val-1)) - fi - val=$((val * 8 + $remaining)) - break - ;; - esac - remaining=${remaining:1} - done - echo "$val" -} - -gpio_export() { - local gpio - gpio=$(gpio_name2value $1) - dir=$(gpio_dir $gpio) - if [ ! -d ${dir} ]; then - echo $gpio > $GPIOEXPORT - fi -} - -gpio_set() { - local gpio - local val - gpio=$(gpio_name2value $1) - val=$2 - dir=$(gpio_dir $gpio) - if [ ! -d ${dir} ]; then - echo $gpio > $GPIOEXPORT - fi - echo out > ${dir}/direction - echo $val > ${dir}/value -} - -gpio_get() { - local gpio - local val - gpio=$(gpio_name2value $1) - dir=$(gpio_dir $gpio) - if [ ! -d ${dir} ]; then - echo $gpio > $GPIOEXPORT - fi - echo in > ${dir}/direction - cat ${dir}/value -} - -wedge_iso_buf_enable() { - # GPIOC2 (18) to low, SCU90[0] and SCU90[24] must be 0 - devmem_clear_bit $(scu_addr 90) 0 - devmem_clear_bit $(scu_addr 90) 24 - gpio_set 18 0 -} - -wedge_iso_buf_disable() { - # GPIOC2 (18) to low, SCU90[0] and SCU90[24] must be 0 - devmem_clear_bit $(scu_addr 90) 0 - devmem_clear_bit $(scu_addr 90) 24 - gpio_set 18 1 -} - -wedge_is_us_on() { - local val n retries prog - if [ $# -gt 0 ]; then - retries="$1" - else - retries=1 - fi - if [ $# -gt 1 ]; then - prog="$2" - else - prog="" - fi - n=1 - while true; do - val=$(cat /sys/class/i2c-adapter/i2c-4/4-0040/gpio_inputs 2>/dev/null) - if [ -n "$val" ]; then - break - fi - n=$((n+1)) - if [ $n -gt $retries ]; then - echo -n " failed to read GPIO. " - val=0 - break - fi - echo -n "$prog" - sleep 1 - done - if [ "$((val & (0x1 << 14)))" != "0" ]; then - # powered on already - return 0 - else - return 1 - fi -} - - -# Return the board type, 'LC', 'FC-LEFT', 'FC-RIGHT', or, 'WEDGE' -wedge_board_type() { - local pn - pn=$(/usr/bin/weutil 2> /dev/null | grep -i '^Location on Fabric:') - case "$pn" in - *LEFT*) - echo 'FC-LEFT' - ;; - *RIGHT*) - echo 'FC-RIGHT' - ;; - *LC*) - echo 'LC' - ;; - *) - echo 'WEDGE' - ;; - esac -} - -# On FC, FAB_SLOT_ID (GPIOU0), low == FC0; high == FC1 -# On LC, Wedge, -# board rev < 3: -# GPIOU0(ID0), GPIOU1(ID1), GPIOU2(ID2), GPIOU3(ID3) -# else: -# GPIOU6(ID0), GPIOU7(ID1), GPIOV0(ID2), GPIOV1(ID3) -# -# ID[2:0] ID3 Slot# -# 000 0 1 -# 000 1 2 -# 001 0 3 -# 001 1 4 -# 010 0 5 -# 010 1 6 -# 011 0 7 -# 011 1 8 - -wedge_slot_id() { - local type slot id3 id2 id1 id0 FC_CARD_BASE board_rev - FC_CARD_BASE=65 - if [ "$1" = "FC-LEFT" ]; then - # fabric card left - slot=$(gpio_get U0) - slot=$((FC_CARD_BASE + slot * 2)) - elif [ "$1" = "FC-RIGHT" ]; then - # fabric card right - slot=$(gpio_get U0) - slot=$((FC_CARD_BASE + slot * 2 + 1)) - else - # either edge or LC - # need to check the board rev - board_rev=$(wedge_board_rev) - if [ $board_rev -lt 3 ]; then - id0=$(gpio_get U0) - id1=$(gpio_get U1) - id2=$(gpio_get U2) - id3=$(gpio_get U3) - else - id0=$(gpio_get U6) - id1=$(gpio_get U7) - id2=$(gpio_get V0) - id3=$(gpio_get V1) - fi - slot=$(((id2 * 4 + id1 * 2 + id0) * 2 + id3 + 1)) - fi - echo "$slot" -} - -# wedge_board_rev() is only valid after GPIO Y0, Y1, and Y2 are enabled -wedge_board_rev() { - local val0 val1 val2 - val0=$(cat /sys/class/gpio/gpio192/value 2>/dev/null) - val1=$(cat /sys/class/gpio/gpio193/value 2>/dev/null) - val2=$(cat /sys/class/gpio/gpio194/value 2>/dev/null) - echo $((val0 | (val1 << 1) | (val2 << 2))) -} |
