From ff639a7836242e1437ad2a2e995201c2c005f790 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Mon, 6 Apr 2020 14:19:11 -0600
Subject: [PATCH] Set fan to 100% when in scratch ROM

---
 src/board/system76/darp5/scratch.c   | 7 +++++++
 src/board/system76/galp3-c/scratch.c | 7 +++++++
 src/board/system76/lemp9/scratch.c   | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/src/board/system76/darp5/scratch.c b/src/board/system76/darp5/scratch.c
index aff51d0..e3c4029 100644
--- a/src/board/system76/darp5/scratch.c
+++ b/src/board/system76/darp5/scratch.c
@@ -3,6 +3,7 @@
 
 #include <board/smfi.h>
 #include <common/macro.h>
+#include <ec/pwm.h>
 
 // Include scratch ROM
 uint8_t __code __at(SCRATCH_OFFSET) scratch_rom[] = {
@@ -16,6 +17,12 @@ volatile uint8_t __xdata __at(0x1045) SCAR1H;
 
 // Enter or exit scratch ROM
 void scratch_trampoline(void) {
+    // Set fans to 100%
+    DCR2 = 0xFF;
+
+    //TODO: Clear keyboard presses
+
+    // Start watchdog timer
     smfi_watchdog();
 
     // Disable interrupts
diff --git a/src/board/system76/galp3-c/scratch.c b/src/board/system76/galp3-c/scratch.c
index aff51d0..e3c4029 100644
--- a/src/board/system76/galp3-c/scratch.c
+++ b/src/board/system76/galp3-c/scratch.c
@@ -3,6 +3,7 @@
 
 #include <board/smfi.h>
 #include <common/macro.h>
+#include <ec/pwm.h>
 
 // Include scratch ROM
 uint8_t __code __at(SCRATCH_OFFSET) scratch_rom[] = {
@@ -16,6 +17,12 @@ volatile uint8_t __xdata __at(0x1045) SCAR1H;
 
 // Enter or exit scratch ROM
 void scratch_trampoline(void) {
+    // Set fans to 100%
+    DCR2 = 0xFF;
+
+    //TODO: Clear keyboard presses
+
+    // Start watchdog timer
     smfi_watchdog();
 
     // Disable interrupts
diff --git a/src/board/system76/lemp9/scratch.c b/src/board/system76/lemp9/scratch.c
index 844310e..e14654d 100644
--- a/src/board/system76/lemp9/scratch.c
+++ b/src/board/system76/lemp9/scratch.c
@@ -3,6 +3,7 @@
 
 #include <board/smfi.h>
 #include <common/macro.h>
+#include <ec/pwm.h>
 
 // Include scratch ROM
 uint8_t __code __at(SCRATCH_OFFSET) scratch_rom[] = {
@@ -16,6 +17,12 @@ volatile uint8_t __xdata __at(0x1042) SCAR0H;
 
 // Enter or exit scratch ROM
 void scratch_trampoline(void) {
+    // Set fans to 100%
+    DCR2 = 0xFF;
+
+    //TODO: Clear keyboard presses
+
+    // Start watchdog timer
     smfi_watchdog();
 
     // Disable interrupts