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path: root/board/sunxi/ahci.c
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2016-03-23sunxi: Turn satapwr on from board_initHans de Goede
There are 2 reasons for doing this: 1) The main reason for doing this is to move it outside of board/sunxi/ahci.c, so that it can be used on boards which use a usb<->sata chip too; 2) While doing this I realized that doing it from board_init also meant doing it much earlier. Some printf get_timer(0) calls show that the time between board_init() and scsi_init() is more then 600 ms, so we can drop the mdelay(500) While at it also drop the printf("SUNXI SCSI INIT\n") AHCI init is noisy enough by itself. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Ian Campbell <ijc@hellion.org.uk>
2015-04-18ahci: mmio_base is a virtual addressScott Wood
Don't store it in a u32. Don't dereference the bus address as if it were a virtual address (fixes 284231e49a2b4 ("ahci: Support splitting of read transactions into multiple chunks")). Fixes crash on boot in MPC8641HPCN_36BIT target. Signed-off-by: Scott Wood <scottwood@freescale.com> Cc: Vadim Bendebury <vbendeb@chromium.org> Acked-by: York Sun <yorksun@freescale.com>
2014-11-25sunxi: ahci: Add a delay after enabling target powerHans de Goede
If the target power is connected through a gpio, then give the target some time to power up before continuing with ahci / sata probing, this avoids link timeouts, without penalizing other boards where there is no target power gpio. Why 500 ms ? I started with 200, that was not enough, then I went to 500 which worked, lowering it to 350 broke things again, so 500 seems the minimum my vertex2 needs to be ready to get probed. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Ian Campbell <ijc@hellion.org.uk>
2014-11-05dm: sunxi: Make sure that GPIOs are requestedSimon Glass
The scsi_init() function uses a GPIO so should request it. There is no way to return an error here, and the request may be made multiple times, so just ignore errors for now. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2014-07-31ahci: provide sunxi SATA driver using AHCI platform frameworkIan Campbell
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>