diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2016-03-21 14:44:35 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2016-03-23 22:04:13 +0100 |
| commit | 948603d4d637a0e04a3214253b911cfc4ed11220 (patch) | |
| tree | 91011f6fe2b33b4a3ca7228c84c7f9aa6299b4c8 /drivers/usb/host/ohci-sunxi.c | |
| parent | 9284f3b452faa328fcc7e948c091598926d792ff (diff) | |
| download | u-boot-imx-948603d4d637a0e04a3214253b911cfc4ed11220.zip u-boot-imx-948603d4d637a0e04a3214253b911cfc4ed11220.tar.gz u-boot-imx-948603d4d637a0e04a3214253b911cfc4ed11220.tar.bz2 | |
sunxi: Fix 2nd usb controller on sun4i/sun7i no longer working
The 2nd usb controller on sun4i/sun7i has its base address 0x8000
bytes from the 1st one, rather then 0x1000. Also the ahb clk gates
are interleaved with the ohci clk-gates introducing a hole between
the clks for usb1 and usb2.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'drivers/usb/host/ohci-sunxi.c')
| -rw-r--r-- | drivers/usb/host/ohci-sunxi.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c index 1b1f651..d4fb95a 100644 --- a/drivers/usb/host/ohci-sunxi.c +++ b/drivers/usb/host/ohci-sunxi.c @@ -17,6 +17,14 @@ #include <usb.h> #include "ohci.h" +#ifdef CONFIG_SUNXI_GEN_SUN4I +#define BASE_DIST 0x8000 +#define AHB_CLK_DIST 2 +#else +#define BASE_DIST 0x1000 +#define AHB_CLK_DIST 1 +#endif + struct ohci_sunxi_priv { ohci_t ohci; int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ @@ -42,9 +50,10 @@ static int ohci_usb_probe(struct udevice *dev) priv->ahb_gate_mask |= 1 << AHB_GATE_OFFSET_USB_EHCI0; #endif priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK; - priv->phy_index = ((u32)regs - (SUNXI_USB1_BASE + 0x400)) / 0x1000 + 1; - priv->ahb_gate_mask <<= priv->phy_index - 1; - priv->usb_gate_mask <<= priv->phy_index - 1; + priv->phy_index = ((u32)regs - (SUNXI_USB1_BASE + 0x400)) / BASE_DIST; + priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; + priv->usb_gate_mask <<= priv->phy_index; + priv->phy_index++; /* Non otg phys start at 1 */ setbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); setbits_le32(&ccm->usb_clk_cfg, priv->usb_gate_mask); |