--- Log opened Thu Nov 18 00:02:30 2010
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15:07 < TheSeven> benedikt93: your code seems to be badly broken... doesn't even compile for me
15:07 < TheSeven> and if i fix the obvious problems (like missing parantheses) it locks up
15:07 < TheSeven> however, if i completely remove the PMU init part it seems to work
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16:34 < TheSeven> 15:07 < TheSeven> benedikt93: your code seems to be badly broken... doesn't even compile for me
16:34 < TheSeven> 15:07 < TheSeven> and if i fix the obvious problems (like missing parantheses) it locks up
16:34 < TheSeven> 15:07 < TheSeven> however, if i completely remove the PMU init part it seems to work
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17:10 < benedikt93> <benedikt93> TheSeven, ping me when you're back, I fixed the sdram init
17:10 < benedikt93> why did I post this to -chatter ??
17:27 < TheSeven> mIRC claims you tried to send me a 220 GB file :)
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17:35 < TheSeven> benedikt93:     while (((IICSTAT & (1 << 5)) != 0) && (IICUNK20 & 0x100 == 0)) {}
17:36 < TheSeven> this is effectively a nop
17:36 < TheSeven> any idea what IICUNK20 might be?
17:36 < benedikt93> why?
17:36 < benedikt93> nope
17:37 < benedikt93> but it didn't return until I added that back in
17:37 < TheSeven> those lines look broken, too:
17:37 < TheSeven>     unsigned char* data;
17:37 < TheSeven>     if (*data & 0x80 == 1)
17:37 < benedikt93> where is that?
17:37 < TheSeven> in the pmu init
17:38 < TheSeven> and your changes effectively eliminate the i2c waiting loops (they will be optimized away)
17:39 < benedikt93> again, why? I might oversee something, I don't know much about c/gcc at all, but I don't see the reason for this being the case
17:40 < TheSeven> (((IICSTAT & (1 << 5)) != 0) && (IICUNK20 & 0x100 == 0))
17:40 < TheSeven> (((IICSTAT & (1 << 5)) != 0) && (IICUNK20 & 0))
17:40 < TheSeven> (((IICSTAT & (1 << 5)) != 0) && 0)
17:40 < TheSeven> (0)
17:40 < TheSeven> == has higher precedence than &
17:40 < benedikt93> ((IICUNK20 & 0x100) == 0)
17:41 < benedikt93> would be correct then
17:41 < TheSeven> probably
17:41 < TheSeven> the same issue is present in the other if statement i copied
17:41 < benedikt93> whih would actually mean that the pmu doesn't respond (properly)
17:41 < TheSeven> and you're apparently using an uninitialized pointer (data)
17:42 < benedikt93> -> line 241
17:42 < TheSeven> this just declares that data is a pointer to an unsigned char
17:42 < TheSeven> it will be whatever garbage was there on the stack before
17:42 < TheSeven> you'll probably want to do     unsigned char data[2]; there
17:43 < TheSeven> (which allocates two bytes on the stack and uses a pointer to them for all references to "data"
17:46 < benedikt93> at least we know now that the pmu is *not* shut down properly on reset :/
17:47 < TheSeven> ...or the reset values work for the sdram
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18:31 < TheSeven> benedikt93: can you check if the apple code manages to reach the pmu?
18:31 < TheSeven> you said you had a relocated copy of that somewhere
18:33 < TheSeven> just change some values to make it write the following:
18:33 < TheSeven> [0x2a] = 0x06
18:33 < TheSeven> [0x2b] = 0x20
18:33 < TheSeven> [0x28] = 0x3f
18:34 < TheSeven> [0x29] = 1
18:34 < TheSeven> that should turn on the backlight
19:07 < benedikt93> are you sure about these values?
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19:19 < TheSeven> yes, they're from diagmode, and they match what we know from the 2g except for the brightness
19:19 < TheSeven> this is from a classic though
19:19 < TheSeven> if you want to be really safe, reduce the 0x3f to 0x20 or something (brightness)
19:20 < TheSeven> also, I just spotted the I2C clock gate :)
19:20 < TheSeven> clock gate 36 in our terminology (0x3c50004c, bit 4)
19:21 < TheSeven> oh, apparently you already knew that :)
19:38 < user890104> could someone send me a dump of 3g nano or a classic's NOR, i'd like to explore what's inside :)
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19:52 < benedikt93> is diagflsh encrypted the same way as efi?
20:56 -!- benedikt93 [~benedikt9@unaffiliated/benedikt93] has quit [Quit: Bye ;)]
22:24 < TheSeven> benedikt93: apparently you totally broke the I2C code :)
22:25 < TheSeven> it's neither similar to mine nor to the peicore code
22:25 < TheSeven> and parts of it are really really weird
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22:46 < opnet> wooo
22:46 < opnet> got laid last night
22:46  * opnet isn't a virgin
22:46 < opnet> anymore
22:53  * TheSeven doesn't think this kind of stuff belongs here
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--- Log closed Fri Nov 19 00:02:31 2010