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authorIan Campbell <ijc@hellion.org.uk>2014-07-18 20:38:41 +0100
committerHans de Goede <hdegoede@redhat.com>2014-07-31 15:37:22 +0200
commita6e50a88d8d3724fc75f1c6959b80a6c7c69cbad (patch)
tree820888fa2425b2cb4a3fa8dee2cae624ed4702af /arch/sandbox
parent25b4adbba018633b943a99322bfb2fb819c0bafb (diff)
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ahci: provide sunxi SATA driver using AHCI platform framework
This enables the necessary clocks, in AHB0 and in PLL6_CFG. This is done for sun7i only since I don't have access to any other sunxi platforms with sata included. The PHY setup is derived from the Alwinner releases and Linux, but is mostly undocumented. The Allwinner AHCI controller also requires some magic (and, again, undocumented) DMA initialisation when starting a port. This is added under a suitable ifdef. This option is enabled for Cubieboard, Cubieboard2 and Cubietruck based on contents of Linux DTS files, including SATA power pin config taken from the DTS. All build tested, but runtime tested on Cubieboard2 and Cubietruck only. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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