freemyipod r196 - Code Review

Repository:	freemyipod
Revision:	< r195‎ \| r196 \| r197 >
Date:	16:38, 5 September 2010
Author:	theseven
Status:	new
Tags:
Comment:	Wait a bit after initializing the PMU before initializing the backlight, seems to prevent a sudden power-off.
Modified paths:	/apps/installer-nano2g/bootstub/bootstub.S (modified) (history) /embios/trunk/loader/ipodnano2g/main.S (modified) (history)

Diff [purge]

Index: apps/installer-nano2g/bootstub/bootstub.S
—	—	@@ -50,7 +50,7 @@
51	51
52	52	cacheflush_done:
53	53	adr r0, _start
54		~~- adr r1, _stubend + 16 @ should be +4, increased to make it fit into a shifter arg~~
	54	+ adr r1, _stubend + 4
55	55	mov r2, #0x22000000
56	56	copyloop:
57	57	cmp r1, r0
—	—	@@ -169,7 +169,6 @@
170	170	.byte 9, 0x13, 3, 0, 0, 7, 0, 5, 2, 0x6b, 0
171	171	.byte 4, 0x1e, 0x12, 1, 0, 0x10
172	172	.byte 6, 0x22, 0x2f, 1, 0, 0x10, 9, 1
173		~~- .byte 1, 0x2a, 6~~
174	173	.byte 6, 0x31, 0x15, 1, 0x0f, 3, 0x15, 0
175	174	.byte 1, 0x43, 0
176	175	.byte 1, 0x4e, 0
—	—	@@ -321,6 +320,10 @@
322	321	orr r0, r0, #0x1000
323	322	mcr p15, 0, r0,c1,c0 @ Re-enable the Protection Unit and caches
324	323	mov r0, #0xe6
	324	+ mov r1, #0x2a
	325	+ mov r2, #6
	326	+ bl i2csendbyte
	327	+ mov r0, #0xe6
325	328	mov r1, #0x2b
326	329	mov r2, #4
327	330	bl i2csendbyte
Index: embios/trunk/loader/ipodnano2g/main.S
—	—	@@ -160,7 +160,6 @@
161	161	.byte 9, 0x13, 3, 0, 0, 7, 0, 5, 2, 0x6b, 0
162	162	.byte 4, 0x1e, 0x12, 1, 0, 0x10
163	163	.byte 6, 0x22, 0x2f, 1, 0, 0x10, 9, 1
164		~~- .byte 1, 0x2a, 6~~
165	164	.byte 6, 0x31, 0x15, 1, 0x0f, 3, 0x15, 0
166	165	.byte 1, 0x43, 0
167	166	.byte 1, 0x4e, 0
—	—	@@ -335,6 +334,10 @@
336	335	str r11, [sp]
337	336	bl displaylcd
338	337	mov r0, #0xe6
	338	+ mov r1, #0x2a
	339	+ mov r2, #6
	340	+ bl i2csendbyte
	341	+ mov r0, #0xe6
339	342	mov r1, #0x2b
340	343	mov r2, #4
341	344	bl i2csendbyte