diff options
Diffstat (limited to 'drivers/usb/host/ehci-mx5.c')
| -rw-r--r-- | drivers/usb/host/ehci-mx5.c | 146 |
1 files changed, 120 insertions, 26 deletions
diff --git a/drivers/usb/host/ehci-mx5.c b/drivers/usb/host/ehci-mx5.c index 9a2c295ec..adbed5c90 100644 --- a/drivers/usb/host/ehci-mx5.c +++ b/drivers/usb/host/ehci-mx5.c @@ -29,34 +29,63 @@ #define MX5_USBOTHER_REGS_OFFSET 0x800 -#define MXC_OTG_OFFSET 0 -#define MXC_H1_OFFSET 0x200 -#define MXC_H2_OFFSET 0x400 +#define MXC_OTG_OFFSET 0 +#define MXC_H1_OFFSET 0x200 +#define MXC_H2_OFFSET 0x400 +#define MXC_H3_OFFSET 0x600 #define MXC_USBCTRL_OFFSET 0 #define MXC_USB_PHY_CTR_FUNC_OFFSET 0x8 #define MXC_USB_PHY_CTR_FUNC2_OFFSET 0xc #define MXC_USB_CTRL_1_OFFSET 0x10 #define MXC_USBH2CTRL_OFFSET 0x14 +#define MXC_USBH3CTRL_OFFSET 0x18 /* USB_CTRL */ -#define MXC_OTG_UCTRL_OWIE_BIT (1 << 27) /* OTG wakeup intr enable */ -#define MXC_OTG_UCTRL_OPM_BIT (1 << 24) /* OTG power mask */ -#define MXC_H1_UCTRL_H1UIE_BIT (1 << 12) /* Host1 ULPI interrupt enable */ -#define MXC_H1_UCTRL_H1WIE_BIT (1 << 11) /* HOST1 wakeup intr enable */ -#define MXC_H1_UCTRL_H1PM_BIT (1 << 8) /* HOST1 power mask */ +/* OTG wakeup intr enable */ +#define MXC_OTG_UCTRL_OWIE_BIT (1 << 27) +/* OTG power mask */ +#define MXC_OTG_UCTRL_OPM_BIT (1 << 24) +/* OTG power pin polarity */ +#define MXC_OTG_UCTRL_O_PWR_POL_BIT (1 << 24) +/* Host1 ULPI interrupt enable */ +#define MXC_H1_UCTRL_H1UIE_BIT (1 << 12) +/* HOST1 wakeup intr enable */ +#define MXC_H1_UCTRL_H1WIE_BIT (1 << 11) +/* HOST1 power mask */ +#define MXC_H1_UCTRL_H1PM_BIT (1 << 8) +/* HOST1 power pin polarity */ +#define MXC_H1_UCTRL_H1_PWR_POL_BIT (1 << 8) /* USB_PHY_CTRL_FUNC */ -#define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8) /* OTG Disable Overcurrent Event */ -#define MXC_H1_OC_DIS_BIT (1 << 5) /* UH1 Disable Overcurrent Event */ +/* OTG Polarity of Overcurrent */ +#define MXC_OTG_PHYCTRL_OC_POL_BIT (1 << 9) +/* OTG Disable Overcurrent Event */ +#define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8) +/* UH1 Polarity of Overcurrent */ +#define MXC_H1_OC_POL_BIT (1 << 6) +/* UH1 Disable Overcurrent Event */ +#define MXC_H1_OC_DIS_BIT (1 << 5) +/* OTG Power Pin Polarity */ +#define MXC_OTG_PHYCTRL_PWR_POL_BIT (1 << 3) /* USBH2CTRL */ -#define MXC_H2_UCTRL_H2UIE_BIT (1 << 8) -#define MXC_H2_UCTRL_H2WIE_BIT (1 << 7) -#define MXC_H2_UCTRL_H2PM_BIT (1 << 4) +#define MXC_H2_UCTRL_H2_OC_POL_BIT (1 << 31) +#define MXC_H2_UCTRL_H2_OC_DIS_BIT (1 << 30) +#define MXC_H2_UCTRL_H2UIE_BIT (1 << 8) +#define MXC_H2_UCTRL_H2WIE_BIT (1 << 7) +#define MXC_H2_UCTRL_H2PM_BIT (1 << 4) +#define MXC_H2_UCTRL_H2_PWR_POL_BIT (1 << 4) + +/* USBH3CTRL */ +#define MXC_H3_UCTRL_H3_OC_POL_BIT (1 << 31) +#define MXC_H3_UCTRL_H3_OC_DIS_BIT (1 << 30) +#define MXC_H3_UCTRL_H3UIE_BIT (1 << 8) +#define MXC_H3_UCTRL_H3WIE_BIT (1 << 7) +#define MXC_H3_UCTRL_H3_PWR_POL_BIT (1 << 4) /* USB_CTRL_1 */ -#define MXC_USB_CTRL_UH1_EXT_CLK_EN (1 << 25) +#define MXC_USB_CTRL_UH1_EXT_CLK_EN (1 << 25) /* USB pin configuration */ #define USB_PAD_CONFIG (PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \ @@ -143,24 +172,42 @@ int mxc_set_usbcontrol(int port, unsigned int flags) if (flags & MXC_EHCI_INTERNAL_PHY) { v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_OTG_PHYCTRL_OC_POL_BIT; + else + v &= ~MXC_OTG_PHYCTRL_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) + /* OC/USBPWR is used */ + v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT; + else /* OC/USBPWR is not used */ v |= MXC_OTG_PHYCTRL_OC_DIS_BIT; +#ifdef CONFIG_MX51 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_OTG_PHYCTRL_PWR_POL_BIT; else - /* OC/USBPWR is used */ - v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT; + v &= ~MXC_OTG_PHYCTRL_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); +#ifdef CONFIG_MX51 if (flags & MXC_EHCI_POWER_PINS_ENABLED) + v &= ~MXC_OTG_UCTRL_OPM_BIT; + else v |= MXC_OTG_UCTRL_OPM_BIT; +#endif +#ifdef CONFIG_MX53 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_OTG_UCTRL_O_PWR_POL_BIT; else - v &= ~MXC_OTG_UCTRL_OPM_BIT; + v &= ~MXC_OTG_UCTRL_O_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); } break; - case 1: /* Host 1 Host ULPI */ + case 1: /* Host 1 ULPI */ #ifdef CONFIG_MX51 /* The clock for the USBH1 ULPI port will come externally from the PHY. */ @@ -170,13 +217,25 @@ int mxc_set_usbcontrol(int port, unsigned int flags) #endif v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); +#ifdef CONFIG_MX51 if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used */ + v &= ~MXC_H1_UCTRL_H1PM_BIT; /* H1 power mask unused */ else - v |= MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used */ + v |= MXC_H1_UCTRL_H1PM_BIT; /* H1 power mask used */ +#endif +#ifdef CONFIG_MX53 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H1_UCTRL_H1_PWR_POL_BIT; + else + v &= ~MXC_H1_UCTRL_H1_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H1_OC_POL_BIT; + else + v &= ~MXC_H1_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */ else @@ -186,24 +245,59 @@ int mxc_set_usbcontrol(int port, unsigned int flags) break; case 2: /* Host 2 ULPI */ v = __raw_readl(usbother_base + MXC_USBH2CTRL_OFFSET); +#ifdef CONFIG_MX51 if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used */ + v &= ~MXC_H2_UCTRL_H2PM_BIT; /* H2 power mask unused */ else - v |= MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used */ - + v |= MXC_H2_UCTRL_H2PM_BIT; /* H2 power mask used */ +#endif +#ifdef CONFIG_MX53 + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H2_UCTRL_H2_OC_POL_BIT; + else + v &= ~MXC_H2_UCTRL_H2_OC_POL_BIT; + if (flags & MXC_EHCI_POWER_PINS_ENABLED) + v &= ~MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is used */ + else + v |= MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is not used */ + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H2_UCTRL_H2_PWR_POL_BIT; + else + v &= ~MXC_H2_UCTRL_H2_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET); break; +#ifdef CONFIG_MX53 + case 3: /* Host 3 ULPI */ + v = __raw_readl(usbother_base + MXC_USBH3CTRL_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H3_UCTRL_H3_OC_POL_BIT; + else + v &= ~MXC_H3_UCTRL_H3_OC_POL_BIT; + if (flags & MXC_EHCI_POWER_PINS_ENABLED) + v &= ~MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is used */ + else + v |= MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is not used */ + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H3_UCTRL_H3_PWR_POL_BIT; + else + v &= ~MXC_H3_UCTRL_H3_PWR_POL_BIT; + __raw_writel(v, usbother_base + MXC_USBH3CTRL_OFFSET); + break; +#endif } return ret; } -void __board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) +int __weak board_ehci_hcd_init(int port) { + return 0; } -void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) - __attribute((weak, alias("__board_ehci_hcd_postinit"))); +void __weak board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) +{ +} int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { |