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authorSven Schnelle <svens@stackframe.org>2011-10-27 13:05:40 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2011-10-27 18:27:07 +0200
commitb2f173e168b5a368eab138a22be5524159532c63 (patch)
treeb4c683ae59071a459d5e36e682215423a04a18d3 /payloads
parent5e4e2290b653b068b1ca55205efd3fbfcc1fda34 (diff)
downloadcoreboot-b2f173e168b5a368eab138a22be5524159532c63.tar.xz
i82801gx: Fix port status in AHCI mode
The code used PCI register 0x92 to enable sata ports, which is wrong. The ICH7 documentation states: "This register is only used in systems that do not support AHCI. In AHCI enabled systems, bits[3:0] must always be set (ICH7R only) / bits[2,0] must always be set (Mobile only), and the status of the port is controlled through AHCI memory space." Writing 0x0f to ICH7-M doesn't seem to hurt, so lets write 0x0f for both variants. This patch makes sata_ahci work on my Thinkpad T60 and X60s. Change-Id: If3b3daec2e5fbaa446de00272ebde01cd8d52475 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/340 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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