From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Salter To: agnew@missl.cs.umd.edu Cc: ecos-discuss@sources.redhat.com, waa@cs.umd.edu, bdpayne@cs.umd.edu, usn01a@hotmail.com Subject: Re: [ECOS] RedBoot IDE access on x86 without BIOS Date: Thu, 13 Sep 2001 06:24:00 -0000 Message-id: <200109131324.f8DDOY111277@deneb.localdomain> References: X-SW-Source: 2001-09/msg00310.html >>>>> Adam Agnew writes: > On Thu, 13 Sep 2001, Mark Salter wrote: >> I think you're right, but the odd thing is it sees the drives on my pc. >> The above defines are correct for the base of the control registers. >> Its the macros for HAL_IDE_READ_ALTSTATUS and HAL_IDE_WRITE_CONTROL >> which need to add 2 to the base to get the status/ctl regs. >> > Alright, I tried that change. However, it didn't fix my ram from rom > boot's problem. Any other ideas? Thanks! The IDE code in RedBoot assumes that the IDE controller/interface is initialized. If you aren't using the normal PC bios, perhaps the chipset has not been sufficiently initialized to support IDE. --Mark