From fd98c8d0d9f64e8ef37e45afe9edf4c3b8e0fe8d Mon Sep 17 00:00:00 2001
From: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>
Date: Thu, 20 Jun 2024 16:25:09 +0200
Subject: [PATCH] nitropad-nx: use standard shutdown/reboot commands

This commit effectively reverts commits a1c13ff and 902866cc. There is
no need for this special EC-based poweroff command. See more details in
issue linked below.

Fixes: https://github.com/Dasharo/dasharo-issues/issues/711

Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>
---
 initrd/bin/nitropad-shutdown.sh | 36 ---------------------------------
 initrd/bin/poweroff             |  5 -----
 initrd/bin/reboot               |  5 -----
 3 files changed, 46 deletions(-)
 delete mode 100755 initrd/bin/nitropad-shutdown.sh

diff --git a/initrd/bin/nitropad-shutdown.sh b/initrd/bin/nitropad-shutdown.sh
deleted file mode 100755
index e449bc31..00000000
--- a/initrd/bin/nitropad-shutdown.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/ash
-
-# Method to access IT5570 IO Depth 2 registers
-it5570_i2ec() {
-  # TODO: Use /dev/port instead of iotools
-
-  # Address high byte
-  iotools io_write8 0x2e 0x2e
-  iotools io_write8 0x2f 0x11
-  iotools io_write8 0x2e 0x2f
-  iotools io_write8 0x2f $(($2>>8 & 0xff))
-
-  # Address low byte
-  iotools io_write8 0x2e 0x2e
-  iotools io_write8 0x2f 0x10
-  iotools io_write8 0x2e 0x2f
-  iotools io_write8 0x2f $(($2 & 0xff))
-
-  # Data
-  iotools io_write8 0x2e 0x2e
-  iotools io_write8 0x2f 0x12
-  iotools io_write8 0x2e 0x2f
-
-  case $1 in
-    "r")
-      iotools io_read8 0x2f
-      ;;
-    "w")
-      iotools io_write8 0x2f "$3"
-      ;;
-  esac
-}
-
-# shut down using EC external watchdog reset
-it5570_i2ec w 0x1f01 0x20
-it5570_i2ec w 0x1f07 0x01
diff --git a/initrd/bin/poweroff b/initrd/bin/poweroff
index a27da23b..ef4bdf86 100755
--- a/initrd/bin/poweroff
+++ b/initrd/bin/poweroff
@@ -8,11 +8,6 @@ if [ "$CONFIG_TPM" = "y" ]; then
 	tpmr shutdown
 fi
 
-# Run special EC-based poweroff for Nitropad-Nxx
-if [ "$CONFIG_BOARD" = "nitropad-nv41" ] || [ "$CONFIG_BOARD" = "nitropad-ns50" ]; then
-	/bin/nitropad-shutdown.sh
-fi
-
 # Sync all mounted filesystems
 echo s > /proc/sysrq-trigger
 
diff --git a/initrd/bin/reboot b/initrd/bin/reboot
index 26255f12..358931e9 100755
--- a/initrd/bin/reboot
+++ b/initrd/bin/reboot
@@ -17,11 +17,6 @@ if [ "$CONFIG_TPM" = "y" ]; then
 	tpmr shutdown
 fi
 
-# Run special EC-based poweroff for Nitropad-Nxx
-if [ "$CONFIG_BOARD" = "nitropad-nv41" ] || [ "$CONFIG_BOARD" = "nitropad-ns50" ]; then
-    /bin/nitropad-shutdown.sh
-fi
-
 # Sync all mounted filesystems
 echo s > /proc/sysrq-trigger