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| author | Hans de Goede <hdegoede@redhat.com> | 2016-06-05 16:53:04 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2016-06-10 12:09:38 +0200 |
| commit | bca4c3c5fcb3d170308e621dadcc5555a1aca1b8 (patch) | |
| tree | 931e4d490e4eff14ac5dbd9ea2facb071d09717c | |
| parent | fd2aa39a619ce011414f6cb6efb0232136e300c7 (diff) | |
| download | blackbird-obmc-uboot-bca4c3c5fcb3d170308e621dadcc5555a1aca1b8.tar.gz blackbird-obmc-uboot-bca4c3c5fcb3d170308e621dadcc5555a1aca1b8.zip | |
sunxi: musb: Properly turn of musb controller before booting
Turn of the clock and assert the reset when musb_stop gets called, so that
the os gets the musb controller in a pristine state. This fixes a spurious
VBus error interrupt triggering as soon as the Linux musb driver loads.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
| -rw-r--r-- | drivers/usb/musb-new/sunxi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index 3081afca0e..c016a0bb54 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -340,9 +340,16 @@ int musb_usb_probe(struct udevice *dev) int musb_usb_remove(struct udevice *dev) { struct musb_host_data *host = dev_get_priv(dev); + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; musb_stop(host->host); + sunxi_usb_phy_exit(0); +#ifdef CONFIG_SUNXI_GEN_SUN6I + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); +#endif + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); + return 0; } |
