diff options
| -rw-r--r-- | arch/arm/include/asm/arch-mx31/imx-regs.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-mxc.c | 33 |
2 files changed, 26 insertions, 9 deletions
diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h index 306f966..3c8d607 100644 --- a/arch/arm/include/asm/arch-mx31/imx-regs.h +++ b/arch/arm/include/asm/arch-mx31/imx-regs.h @@ -746,7 +746,7 @@ enum iomux_pins { #define IRAM_SIZE (16 * 1024) #define MX31_AIPS1_BASE_ADDR 0x43f00000 -#define MX31_OTG_BASE_ADDR (MX31_AIPS1_BASE_ADDR + 0x88000) +#define IMX_USB_BASE (MX31_AIPS1_BASE_ADDR + 0x88000) /* USB portsc */ /* values for portsc field */ diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 6af35ab..a0cfbb7 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -29,6 +29,14 @@ #define USBCTRL_OTGBASE_OFFSET 0x600 +#ifdef CONFIG_MX25 +#define MX25_USB_CTRL_IP_PUE_DOWN_BIT (1<<6) +#define MX25_USB_CTRL_HSTD_BIT (1<<5) +#define MX25_USB_CTRL_USBTE_BIT (1<<4) +#define MX25_USB_CTRL_OCPOL_OTG_BIT (1<<3) +#endif + +#ifdef CONFIG_MX31 #define MX31_OTG_SIC_SHIFT 29 #define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) #define MX31_OTG_PM_BIT (1 << 24) @@ -42,12 +50,19 @@ #define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT) #define MX31_H1_PM_BIT (1 << 8) #define MX31_H1_DT_BIT (1 << 4) +#endif static int mxc_set_usbcontrol(int port, unsigned int flags) { unsigned int v; + +#ifdef CONFIG_MX25 + v = MX25_USB_CTRL_IP_PUE_DOWN_BIT | MX25_USB_CTRL_HSTD_BIT | + MX25_USB_CTRL_USBTE_BIT | MX25_USB_CTRL_OCPOL_OTG_BIT; +#endif + #ifdef CONFIG_MX31 - v = readl(MX31_OTG_BASE_ADDR + USBCTRL_OTGBASE_OFFSET); + v = readl(IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); switch (port) { case 0: /* OTG port */ @@ -85,36 +100,38 @@ static int mxc_set_usbcontrol(int port, unsigned int flags) default: return -EINVAL; } - - writel(v, MX31_OTG_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET); #endif - return 0; + + writel(v, IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET); + return 0; } int ehci_hcd_init(void) { - u32 tmp; struct usb_ehci *ehci; +#ifdef CONFIG_MX31 + u32 tmp; struct clock_control_regs *sc_regs = (struct clock_control_regs *)CCM_BASE; tmp = __raw_readl(&sc_regs->ccmr); __raw_writel(__raw_readl(&sc_regs->ccmr) | (1 << 9), &sc_regs->ccmr) ; +#endif udelay(80); /* Take USB2 */ - ehci = (struct usb_ehci *)(MX31_OTG_BASE_ADDR + + ehci = (struct usb_ehci *)(IMX_USB_BASE + (0x200 * CONFIG_MXC_USB_PORT)); hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); hcor = (struct ehci_hcor *)((uint32_t) hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); setbits_le32(&ehci->usbmode, CM_HOST); +#ifdef CONFIG_MX31 setbits_le32(&ehci->control, USB_EN); __raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); - +#endif mxc_set_usbcontrol(CONFIG_MXC_USB_PORT, CONFIG_MXC_USB_FLAGS); udelay(10000); |