From 9e16e6abec895c16a77582b126b221b1b97573f2 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 11 Aug 2001 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2001-08-11

---
 bitsy/l.s     | 5 +----
 bitsy/power.c | 7 ++++++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/bitsy/l.s b/bitsy/l.s
index 16f7c0e6a2787962d7e709870b34bc1e8ecc295e..fd9110d0519458d9239d8908d7e7453756858dc1 100644
--- a/bitsy/l.s
+++ b/bitsy/l.s
@@ -562,10 +562,7 @@ TEXT sa1100_power_resume(SB), $-4
 	MCR	CpMMU, 0, R0, C(CpCacheFlush), C(0xa), 4
 	/* gotopowerlabel() */
 	/* svc */
-/* Debug
-	MOVW	$0x25, R0
-	BL		_PrChar(SB)
- */
+
 	MOVW	$power_resume+0(SB), R0
 	MOVW	56(R0), R1		/* R1: SPSR, R2: CPSR */
 	MOVW	60(R0), R2
diff --git a/bitsy/power.c b/bitsy/power.c
index e8ce165d116cc28d4f78e1e39c8a2b07e4b06432..b6388847c4a157bbd71a97c3655f72a525a8ccee 100644
--- a/bitsy/power.c
+++ b/bitsy/power.c
@@ -147,6 +147,7 @@ deepsleep(void) {
 	delay(50);
 	/* Power down */
 	iprint("entering suspend mode\n");
+	dumpitall();
 	uartpower(0);
 	clockpower(0);
 	irpower(0);
@@ -159,6 +160,8 @@ deepsleep(void) {
 	cacheflush();
 	delay(50);
 	if (setpowerlabel()) {
+		/* Turn off memory auto power */
+		memconfregs->mdrefr &= ~0x30000000;
 		mmurestart();
 		gpiorestore(gpioregs, &savedgpioregs);
 		delay(50);
@@ -178,7 +181,7 @@ deepsleep(void) {
 		µcpower(1);
 		screenpower(1);
 		iprint("\nresuming execution\n");
-//		dumpitall();
+		dumpitall();
 		delay(800);
 		splx(power_pl);
 		return;
@@ -195,7 +198,9 @@ powerkproc(void*)
 		while(powerflag == 0)
 			sleep(&powerr, powerdown, 0);
 
+		iprint("call deepsleep\n");
 		deepsleep();
+		iprint("deepsleep returned\n");
 
 		delay(2000);