On Monday, February 27, 2012 10:30:35 AM Seungwon Jeon wrote: > Hi. > > CONFIG_HIGHMEM is enabled in 3.3rc5? > I think your problem is similar to the following commit. > "mmc: dw_mmc: Fix PIO mode with support of highmem"(fc66a7bb13806c0) > Hi, Thank you for your input. CONFIG_HIGHMEM isn't enabled, but CONFIG_SPARSEMEM is (The SAM9G45 has two banks of RAM with a hole in the middle). Could that be an issue? Without it I can only access 128MB of 256MB of RAM, but I can test if it works. Cheers, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html