From patchwork Mon Mar 21 13:50:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot] sunxi: Fix 2nd usb controller on sun4i/sun7i no longer working From: Hans de Goede X-Patchwork-Id: 600131 Message-Id: <1458568216-18179-1-git-send-email-hdegoede@redhat.com> To: Ian Campbell Cc: u-boot@lists.denx.de Date: Mon, 21 Mar 2016 14:50:16 +0100 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 --- drivers/usb/host/ehci-sunxi.c | 13 +++++++++++-- drivers/usb/host/ohci-sunxi.c | 15 ++++++++++++--- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c index cf3dcc4..677a5d3 100644 --- a/drivers/usb/host/ehci-sunxi.c +++ b/drivers/usb/host/ehci-sunxi.c @@ -17,6 +17,14 @@ #include #include "ehci.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 ehci_sunxi_priv { struct ehci_ctrl ehci; int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ @@ -39,8 +47,9 @@ static int ehci_usb_probe(struct udevice *dev) #ifdef CONFIG_MACH_SUN8I_H3 priv->ahb_gate_mask |= 1 << AHB_GATE_OFFSET_USB_OHCI0; #endif - priv->phy_index = ((u32)hccr - SUNXI_USB1_BASE) / 0x1000 + 1; - priv->ahb_gate_mask <<= priv->phy_index - 1; + priv->phy_index = ((u32)hccr - SUNXI_USB1_BASE) / BASE_DIST; + priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; + priv->phy_index++; /* Non otg phys start at 1 */ setbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); #ifdef CONFIG_SUNXI_GEN_SUN6I 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 #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);