From: Albert Herranz <albert_herranz@yahoo.es>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [RFC PATCH 10/19] powerpc: gamecube/wii: early debugging using usbgecko
Date: Tue, 24 Nov 2009 19:19:52 +0100 [thread overview]
Message-ID: <4B0C23C8.7040905@yahoo.es> (raw)
In-Reply-To: <A07AD196-D33F-477C-B53C-AB05BA236FEC@kernel.crashing.org>
Segher Boessenkool wrote:
> You set up DBAT1 here...
>
>> +setup_usbgecko_bat:
>> + /* prepare a BAT for early io */
>> + lis r8, 0x0c00
>> + ori r8, r8, 0x002a /* uncached, guarded ,rw */
>> + lis r11, 0xcc00
>> + ori r11, r11, 0x3 /* 128K */
>> +#ifdef CONFIG_WII
>> + oris r8, r8, 0x0100
>> + oris r11, r11, 0x0100
>> +#endif
>> + mtspr SPRN_DBAT1L, r8
>> + mtspr SPRN_DBAT1U, r11
>> + sync
>> + isync
>> + blr
>
> ... and again here:
>
>> +void __init udbg_init_usbgecko(void)
>> +{
>> + unsigned long vaddr, paddr;
>> +
>> +#if defined(CONFIG_GAMECUBE)
>> + paddr = 0x0c000000;
>> +#elif defined(CONFIG_WII)
>> + paddr = 0x0d000000;
>> +#else
>> +#error Invalid platform for USB Gecko based early debugging.
>> +#endif
>> +
>> + vaddr = 0xc0000000 | paddr;
>> + setbat(1, vaddr, paddr, 128*1024, PAGE_KERNEL_NCG);
>
> Do you need to do it twice?
>
Uhmm... I need to re-check it.
IIRC the BATs were re-initialized in between. But I'm not sure now :)
>> + ug_io_base = (void __iomem *)(vaddr | 0x6814);
>
> Oh, hardcoded slot2, now i'm confused which one should be it :-)
>
early udbg : hardcoded to mem2 slot
normal udbg : as specified in device tree
Clearer now ? ;)
Thanks for the review!
Albert
next prev parent reply other threads:[~2009-11-24 18:19 UTC|newest]
Thread overview: 181+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-22 22:01 [RFC PATCH 00/19] powerpc: nintendo gamecube and wii support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 01/19] powerpc: gamecube/wii: usbgecko bootwrapper console support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 02/19] powerpc: gamecube: device tree Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 03/19] powerpc: gamecube: bootwrapper bits Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 04/19] powerpc: wii: device tree Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 05/19] powerpc: wii: bootwrapper bits Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 06/19] powerpc: gamecube/wii: introduce GAMECUBE_COMMON Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 07/19] powerpc: gamecube/wii: declare as non-coherent platforms Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 08/19] powerpc: gamecube/wii: do not include PCI support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 09/19] powerpc: gamecube/wii: udbg support for usbgecko Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 10/19] powerpc: gamecube/wii: early debugging using usbgecko Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 11/19] powerpc: gamecube/wii: flipper interrupt controller support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 12/19] powerpc: gamecube: platform support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 13/19] powerpc: gamecube: default config Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 14/19] powerpc: allow ioremap within reserved fake ram regions Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 15/19] powerpc: broadway processor support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 16/19] powerpc: wii: hollywood interrupt controller support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 17/19] powerpc: wii: bootmii starlet 'mini' firmware support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 18/19] powerpc: wii: platform support Albert Herranz
2009-11-22 22:01 ` [RFC PATCH 19/19] powerpc: wii: default config Albert Herranz
2009-11-22 23:45 ` [RFC PATCH 18/19] powerpc: wii: platform support Grant Likely
2009-11-23 20:21 ` Albert Herranz
2009-11-24 22:24 ` Segher Boessenkool
2009-11-25 17:58 ` Albert Herranz
2009-11-26 22:05 ` Segher Boessenkool
2009-11-22 22:48 ` [RFC PATCH 17/19] powerpc: wii: bootmii starlet 'mini' firmware support Arnd Bergmann
2009-11-23 19:21 ` Albert Herranz
2009-11-24 22:13 ` Segher Boessenkool
2009-11-25 17:47 ` Albert Herranz
2009-11-26 22:00 ` Segher Boessenkool
2009-11-22 23:40 ` [RFC PATCH 16/19] powerpc: wii: hollywood interrupt controller support Grant Likely
2009-11-23 20:18 ` Albert Herranz
2009-11-24 21:54 ` Segher Boessenkool
2009-11-25 17:27 ` Albert Herranz
2009-11-26 5:23 ` Benjamin Herrenschmidt
2009-11-26 15:42 ` Albert Herranz
2009-11-26 21:13 ` Benjamin Herrenschmidt
2009-11-26 23:03 ` Segher Boessenkool
2009-11-22 23:38 ` [RFC PATCH 15/19] powerpc: broadway processor support Grant Likely
2009-11-23 20:16 ` Albert Herranz
2009-11-22 23:36 ` [RFC PATCH 14/19] powerpc: allow ioremap within reserved fake ram regions Grant Likely
2009-11-23 20:16 ` Albert Herranz
2009-11-23 20:41 ` Grant Likely
2009-11-23 23:45 ` Michael Ellerman
2009-11-24 17:09 ` Albert Herranz
2009-11-25 0:38 ` Michael Ellerman
2009-11-26 5:22 ` Benjamin Herrenschmidt
2009-11-26 15:35 ` Albert Herranz
2009-11-26 21:13 ` Benjamin Herrenschmidt
2009-11-22 23:34 ` [RFC PATCH 12/19] powerpc: gamecube: platform support Grant Likely
2009-11-23 20:02 ` Albert Herranz
2009-11-24 21:39 ` Segher Boessenkool
2009-11-25 17:24 ` Albert Herranz
2009-11-26 21:53 ` Segher Boessenkool
2009-11-26 22:07 ` Albert Herranz
2009-11-27 0:09 ` Segher Boessenkool
2009-11-27 21:35 ` Benjamin Herrenschmidt
2009-11-28 3:56 ` Grant Likely
2009-11-28 3:56 ` Grant Likely
2009-11-22 23:28 ` [RFC PATCH 11/19] powerpc: gamecube/wii: flipper interrupt controller support Grant Likely
2009-11-23 19:59 ` Albert Herranz
2009-11-26 5:18 ` Benjamin Herrenschmidt
2009-11-26 15:33 ` Albert Herranz
2009-11-26 21:12 ` Benjamin Herrenschmidt
2009-11-26 23:00 ` Segher Boessenkool
2009-11-26 23:38 ` Benjamin Herrenschmidt
2009-11-24 21:30 ` Segher Boessenkool
2009-11-25 17:13 ` Albert Herranz
2009-11-26 21:52 ` Segher Boessenkool
2009-11-26 22:05 ` Albert Herranz
2009-11-27 0:06 ` Segher Boessenkool
2009-11-27 12:17 ` Segher Boessenkool
2009-11-27 17:27 ` Albert Herranz
2009-11-27 21:34 ` Benjamin Herrenschmidt
2009-11-28 2:04 ` Segher Boessenkool
2009-11-28 2:26 ` Benjamin Herrenschmidt
2009-11-26 5:18 ` Benjamin Herrenschmidt
2009-11-26 15:30 ` Albert Herranz
2009-11-26 21:10 ` Benjamin Herrenschmidt
2009-11-22 22:27 ` [RFC PATCH 10/19] powerpc: gamecube/wii: early debugging using usbgecko Arnd Bergmann
2009-11-23 19:10 ` Albert Herranz
2009-11-23 22:13 ` Arnd Bergmann
2009-11-26 5:14 ` Benjamin Herrenschmidt
2009-11-26 22:54 ` Segher Boessenkool
2009-11-26 23:27 ` Benjamin Herrenschmidt
2009-11-24 0:54 ` Segher Boessenkool
2009-11-24 18:19 ` Albert Herranz [this message]
2009-11-22 23:22 ` [RFC PATCH 09/19] powerpc: gamecube/wii: udbg support for usbgecko Grant Likely
2009-11-24 0:49 ` Segher Boessenkool
2009-11-24 18:08 ` Albert Herranz
2009-11-24 21:19 ` Segher Boessenkool
2009-11-25 17:07 ` Albert Herranz
2009-11-26 5:12 ` Benjamin Herrenschmidt
2009-11-26 15:28 ` Albert Herranz
2009-11-26 21:02 ` Benjamin Herrenschmidt
2009-11-26 23:12 ` Segher Boessenkool
2009-11-22 23:21 ` [RFC PATCH 08/19] powerpc: gamecube/wii: do not include PCI support Grant Likely
2009-11-26 5:10 ` Benjamin Herrenschmidt
2009-11-22 22:20 ` [RFC PATCH 07/19] powerpc: gamecube/wii: declare as non-coherent platforms Arnd Bergmann
2009-11-23 19:06 ` Albert Herranz
2009-11-26 5:09 ` Benjamin Herrenschmidt
2009-11-22 23:20 ` [RFC PATCH 06/19] powerpc: gamecube/wii: introduce GAMECUBE_COMMON Grant Likely
2009-11-23 19:56 ` Albert Herranz
2009-11-24 0:35 ` Segher Boessenkool
2009-11-24 18:03 ` Albert Herranz
2009-11-24 21:15 ` Segher Boessenkool
2009-11-24 22:33 ` Arnd Bergmann
2009-11-25 17:06 ` Albert Herranz
2009-11-26 5:08 ` Benjamin Herrenschmidt
2009-11-26 15:22 ` Albert Herranz
2009-11-27 12:12 ` Segher Boessenkool
2009-11-22 23:19 ` [RFC PATCH 05/19] powerpc: wii: bootwrapper bits Grant Likely
2009-11-24 0:33 ` Segher Boessenkool
2009-11-24 17:56 ` Albert Herranz
2009-11-24 21:13 ` Segher Boessenkool
2009-11-22 23:18 ` [RFC PATCH 04/19] powerpc: wii: device tree Grant Likely
2009-11-23 19:54 ` Albert Herranz
2009-11-23 20:36 ` Grant Likely
2009-11-23 21:55 ` Albert Herranz
2009-11-25 16:57 ` Segher Boessenkool
2009-11-25 18:09 ` Albert Herranz
2009-11-25 17:49 ` Segher Boessenkool
2009-11-25 18:34 ` Albert Herranz
2009-11-26 4:58 ` Benjamin Herrenschmidt
2009-11-26 15:19 ` Albert Herranz
2009-11-26 4:51 ` Benjamin Herrenschmidt
2009-11-26 15:18 ` Albert Herranz
2009-11-26 21:01 ` Benjamin Herrenschmidt
2009-11-26 21:38 ` Albert Herranz
2009-11-26 22:37 ` Benjamin Herrenschmidt
2009-11-27 0:16 ` Segher Boessenkool
2009-11-27 0:15 ` Benjamin Herrenschmidt
2009-11-26 23:25 ` Segher Boessenkool
2009-11-26 22:50 ` Segher Boessenkool
2009-11-26 23:02 ` Albert Herranz
2009-11-26 4:45 ` Benjamin Herrenschmidt
2009-11-26 15:09 ` Albert Herranz
2009-11-26 20:48 ` Benjamin Herrenschmidt
2009-11-26 21:20 ` Albert Herranz
2009-11-26 23:17 ` Segher Boessenkool
2009-11-26 22:45 ` Segher Boessenkool
2009-11-22 23:11 ` [RFC PATCH 03/19] powerpc: gamecube: bootwrapper bits Grant Likely
2009-11-24 0:08 ` Segher Boessenkool
2009-11-24 17:38 ` Albert Herranz
2009-11-24 21:00 ` Segher Boessenkool
2009-11-24 23:45 ` Albert Herranz
2009-11-25 16:53 ` Segher Boessenkool
2009-11-26 4:36 ` Benjamin Herrenschmidt
2009-11-26 8:17 ` Gabriel Paubert
2009-11-26 8:46 ` Benjamin Herrenschmidt
2009-11-26 23:06 ` Segher Boessenkool
2009-11-26 4:35 ` Benjamin Herrenschmidt
2009-11-26 22:23 ` Segher Boessenkool
2009-11-22 23:02 ` [RFC PATCH 02/19] powerpc: gamecube: device tree Grant Likely
2009-11-23 19:44 ` Albert Herranz
2009-11-23 20:19 ` Grant Likely
2009-11-23 20:25 ` Albert Herranz
2009-11-24 22:53 ` Segher Boessenkool
2009-11-26 4:23 ` Benjamin Herrenschmidt
2009-11-27 12:09 ` Segher Boessenkool
2009-11-24 22:36 ` Segher Boessenkool
2009-11-26 4:23 ` Benjamin Herrenschmidt
2009-11-26 22:15 ` Segher Boessenkool
2009-11-26 22:38 ` Benjamin Herrenschmidt
2009-11-27 0:18 ` Segher Boessenkool
2009-11-26 4:21 ` Benjamin Herrenschmidt
2009-11-26 4:38 ` Grant Likely
2009-11-26 5:29 ` Benjamin Herrenschmidt
2009-11-26 5:51 ` Grant Likely
2009-11-26 22:30 ` Segher Boessenkool
2009-11-25 18:00 ` Segher Boessenkool
2009-11-25 18:43 ` Albert Herranz
2009-11-27 12:07 ` Segher Boessenkool
2009-11-26 4:27 ` Benjamin Herrenschmidt
2009-11-26 22:19 ` Segher Boessenkool
2009-11-22 22:50 ` [RFC PATCH 01/19] powerpc: gamecube/wii: usbgecko bootwrapper console support Grant Likely
2009-11-26 4:12 ` Benjamin Herrenschmidt
2009-11-22 22:48 ` [RFC PATCH 00/19] powerpc: nintendo gamecube and wii support Grant Likely
2009-11-22 22:49 ` Arnd Bergmann
2009-11-23 19:22 ` Albert Herranz
2009-11-23 5:13 ` Wolfram Sang
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