Am 01.03.2016 um 13:43 schrieb Andre Przywara: > On 01/03/16 11:18, Andreas Färber wrote: >> Am 01.03.2016 um 12:01 schrieb Andre Przywara: >>> On 29/02/16 23:44, Andreas Färber wrote: >>>> reg = <0x0 0xc4301000 0 0x1000>, >>>> - <0x0 0xc4302000 0 0x0100>; >>>> + <0x0 0xc4302000 0 0x0100>, >>> >>> Please use 0x2000 for the size here. I guess this is really the GIC-400 >>> from ARM, and in this case this is the right size, [1] is the reference >>> here. This will enable EOI mode 1 for KVM. >> >> Will test later. >> >> Is there any easy way to find out whether or not this is that GIC-400? > > If you can read registers: GICD_IIDR and PIDRx have some info: > http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0471b/CHDIFAEE.html > So if your U-Boot for instance supports md, a dump of: > md.l c4301008 1 > md.l c4301fd0 30 > > would help to identify the GIC. gxb_p200_v1#md.l c4301008 1 c4301008: 0200143b ;... gxb_p200_v1#md.l c4301fd0 30 c4301fd0: 00000004 00000000 00000000 00000000 ................ c4301fe0: 00000090 000000b4 0000002b 00000000 ........+....... c4301ff0: 0000000d 000000f0 00000005 000000b1 ................ c4302000: 00000060 000000f0 00000003 000003ff `............... c4302010: 00000000 000000ff 000003ff 00000000 ................ c4302020: 00000000 00000000 00000000 00000000 ................ c4302030: 00000000 00000000 00000000 00000000 ................ c4302040: 00000000 00000000 00000000 00000000 ................ c4302050: 00000000 00000000 00000000 00000000 ................ c4302060: 00000000 00000000 00000000 00000000 ................ c4302070: 00000000 00000000 00000000 00000000 ................ c4302080: 00000000 00000000 00000000 00000000 ................ Cheers, Andreas -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
