On 02/05/06 07:46 +0200, Wolfgang Ocker wrote: > Hello, > > I'm trying to get a SD card to work on an Db1200 board. I'm using kernel > 2.6.16.11 (+ the patch from Jordan Crouse): Thats not an encouraging sign. > au1xx(0): DEBUG: set_ios (power=2, clock=450000Hz, vdd=15, mode=2) > MMC: starting cmd 09 arg e0080000 flags 00000007 > MMC: req done (09): 1: 00000000 00000000 00000000 00000000 > MMC: req done (09): 1: 00000000 00000000 00000000 00000000 > MMC: req done (09): 1: 00000000 00000000 00000000 00000000 > MMC: req done (09): 1: 00000000 00000000 00000000 00000000 Ok - so the reasons for cmd->error to be MMC_ERR_TIMEOUT are: * invalid return from dma_map_sg in au1xmmc_prepare_data * general error from the DBDMA engine * one of SD_STATUS_RAT sent when the IRQ fires So to narrow it down - check the return value of au1xmmc_prepare_data in au1xmmc_request. Then, see if RAT is ever set in au1xmmc_irq. This will help narrow down the problem. Also, the usual general questions: What SD card are you using? How big is it? Is it a v1.01 or a v1.1 card? Jordan
