>>>>> On Tue, 16 Oct 2001 10:28:56 -0400, "Hanks Li" <hli@quicklogic.com> said: hli> We are working on the IDE/ATAPI for mips. When I changed to Big hli> endian mode, the following information appared, and the program hli> hang. When I tried PCI-IDE in BigEndian (with 2.4.6 kernel), this patch solved my problem. --- linux/drivers/ide/ide-dma.c:1.1.1.1 Fri Jul 6 11:24:54 2001 +++ linux/drivers/ide/ide-dma.c Fri Aug 17 20:17:30 2001 @@ -492,7 +492,11 @@ SELECT_READ_WRITE(hwif,drive,func); if (!(count = ide_build_dmatable(drive, func))) return 1; /* try PIO instead of DMA */ +#if defined(__mips__) && defined(__BIG_ENDIAN) /* XXX mips only? */ + outl(cpu_to_le32(hwif->dmatable_dma), dma_base + 4); /* PRD table */ +#else outl(hwif->dmatable_dma, dma_base + 4); /* PRD table */ +#endif outb(reading, dma_base); /* specify r/w */ outb(inb(dma_base+2)|6, dma_base+2); /* clear INTR & ERROR flags */ drive->waiting_for_dma = 1; --- Atsushi Nemoto
