Roman Yeryomin wrote: > > Region 1: 1C00 is what you want to use. The driver should check > > that BAR and use that address. > > ok, I will try it > but this is only one led, what about others? their ports will change > respectively? 6100->1c00, 6180->1c80 ?
The 5536 doesn't have a single port per GPIO. Please have a look at the 5536 GPIO documentation to learn how they work. I think it is explained well: http://www.amd.com/files/connectivitysolutions/geode/geode_lx/33238G_cs5536_db.pdf See 6.16 GPIO Device Register Descriptions The GPIO I/O Offset should be added to what is read from the ISA bridge BAR1, 0x1c00 in this case. > and what about this? is it needed? > outl(GPIOL_6_SET, GPIO_IO_BASE + GPIOL_OUT_AUX1_SELECT); > outl(GPIOL_6_SET, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE); > outl(GPIOL_6_SET, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT); > outl(GPIOL_6_SET, GPIO_IO_BASE + GPIOL_INPUT_ENABLE); Yes. The PDF explains how these registers work. //Peter -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
