diff options
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/ehci.c | 343 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_ehci.h | 6 |
2 files changed, 16 insertions, 333 deletions
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c index 8772ce3..06fb3a4 100644 --- a/arch/arm/plat-mxc/ehci.c +++ b/arch/arm/plat-mxc/ehci.c @@ -14,352 +14,29 @@ */ #include <linux/platform_device.h> -#include <linux/io.h> #include <mach/hardware.h> #include <mach/mxc_ehci.h> -#define USBCTRL_OTGBASE_OFFSET 0x600 - -#define MX31_OTG_SIC_SHIFT 29 -#define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) -#define MX31_OTG_PM_BIT (1 << 24) - -#define MX31_H2_SIC_SHIFT 21 -#define MX31_H2_SIC_MASK (0x3 << MX31_H2_SIC_SHIFT) -#define MX31_H2_PM_BIT (1 << 16) -#define MX31_H2_DT_BIT (1 << 5) - -#define MX31_H1_SIC_SHIFT 13 -#define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT) -#define MX31_H1_PM_BIT (1 << 8) -#define MX31_H1_DT_BIT (1 << 4) - -#define MX35_OTG_SIC_SHIFT 29 -#define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT) -#define MX35_OTG_PM_BIT (1 << 24) - -#define MX35_H1_SIC_SHIFT 21 -#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT) -#define MX35_H1_PM_BIT (1 << 8) -#define MX35_H1_IPPUE_UP_BIT (1 << 7) -#define MX35_H1_IPPUE_DOWN_BIT (1 << 6) -#define MX35_H1_TLL_BIT (1 << 5) -#define MX35_H1_USBTE_BIT (1 << 4) - -#define MXC_OTG_OFFSET 0 -#define MXC_H1_OFFSET 0x200 -#define MXC_H2_OFFSET 0x400 - -/* 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 */ - -/* 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 */ - -/* 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_USBCMD_OFFSET 0x140 - -/* USBCMD */ -#define MXC_UCMD_ITC_NO_THRESHOLD_MASK (~(0xff << 16)) /* Interrupt Threshold Control */ - int mxc_initialize_usb_hw(int port, unsigned int flags) { - unsigned int v; #if defined(CONFIG_SOC_IMX25) - if (cpu_is_mx25()) { - v = readl(MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - - switch (port) { - case 0: /* OTG port */ - v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX35_OTG_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX35_OTG_PM_BIT; - - break; - case 1: /* H1 port */ - v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT | - MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX35_H1_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX35_H1_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX35_H1_TLL_BIT; - - if (flags & MXC_EHCI_INTERNAL_PHY) - v |= MX35_H1_USBTE_BIT; - - if (flags & MXC_EHCI_IPPUE_DOWN) - v |= MX35_H1_IPPUE_DOWN_BIT; - - if (flags & MXC_EHCI_IPPUE_UP) - v |= MX35_H1_IPPUE_UP_BIT; - - break; - default: - return -EINVAL; - } - - writel(v, MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - return 0; - } + if (cpu_is_mx25()) + return mx25_initialize_usb_hw(port, flags); #endif /* if defined(CONFIG_SOC_IMX25) */ #if defined(CONFIG_ARCH_MX3) - if (cpu_is_mx31()) { - v = readl(MX31_IO_ADDRESS(MX31_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - - switch (port) { - case 0: /* OTG port */ - v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_OTG_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_OTG_PM_BIT; - - break; - case 1: /* H1 port */ - v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H1_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H1_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H1_DT_BIT; - - break; - case 2: /* H2 port */ - v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H2_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H2_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H2_DT_BIT; - - break; - default: - return -EINVAL; - } - - writel(v, MX31_IO_ADDRESS(MX31_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - return 0; - } - - if (cpu_is_mx35()) { - v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - - switch (port) { - case 0: /* OTG port */ - v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX35_OTG_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX35_OTG_PM_BIT; - - break; - case 1: /* H1 port */ - v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT | - MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX35_H1_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX35_H1_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX35_H1_TLL_BIT; - - if (flags & MXC_EHCI_INTERNAL_PHY) - v |= MX35_H1_USBTE_BIT; - - if (flags & MXC_EHCI_IPPUE_DOWN) - v |= MX35_H1_IPPUE_DOWN_BIT; - - if (flags & MXC_EHCI_IPPUE_UP) - v |= MX35_H1_IPPUE_UP_BIT; - - break; - default: - return -EINVAL; - } - - writel(v, MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - return 0; - } + if (cpu_is_mx31()) + return mx31_initialize_usb_hw(port, flags); + if (cpu_is_mx35()) + return mx35_initialize_usb_hw(port, flags); #endif /* CONFIG_ARCH_MX3 */ #ifdef CONFIG_MACH_MX27 - if (cpu_is_mx27()) { - /* On i.MX27 we can use the i.MX31 USBCTRL bits, they - * are identical - */ - v = readl(MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - switch (port) { - case 0: /* OTG port */ - v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_OTG_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_OTG_PM_BIT; - break; - case 1: /* H1 port */ - v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H1_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H1_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H1_DT_BIT; - - break; - case 2: /* H2 port */ - v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT); - v |= (flags & MXC_EHCI_INTERFACE_MASK) - << MX31_H2_SIC_SHIFT; - if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) - v |= MX31_H2_PM_BIT; - - if (!(flags & MXC_EHCI_TTL_ENABLED)) - v |= MX31_H2_DT_BIT; - - break; - default: - return -EINVAL; - } - writel(v, MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + - USBCTRL_OTGBASE_OFFSET)); - return 0; - } + if (cpu_is_mx27()) + return mx27_initialize_usb_hw(port, flags); #endif /* CONFIG_MACH_MX27 */ #ifdef CONFIG_SOC_IMX51 - if (cpu_is_mx51()) { - void __iomem *usb_base; - void __iomem *usbotg_base; - void __iomem *usbother_base; - int ret = 0; - - usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); - if (!usb_base) { - printk(KERN_ERR "%s(): ioremap failed\n", __func__); - return -ENOMEM; - } - - switch (port) { - case 0: /* OTG port */ - usbotg_base = usb_base + MXC_OTG_OFFSET; - break; - case 1: /* Host 1 port */ - usbotg_base = usb_base + MXC_H1_OFFSET; - break; - case 2: /* Host 2 port */ - usbotg_base = usb_base + MXC_H2_OFFSET; - break; - default: - printk(KERN_ERR"%s no such port %d\n", __func__, port); - ret = -ENOENT; - goto error; - } - usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; - - switch (port) { - case 0: /*OTG port */ - if (flags & MXC_EHCI_INTERNAL_PHY) { - v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - if (flags & MXC_EHCI_POWER_PINS_ENABLED) { - /* OC/USBPWR is not used */ - v |= MXC_OTG_PHYCTRL_OC_DIS_BIT; - } else { - /* OC/USBPWR is used */ - v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT; - } - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) - v |= MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup enable */ - else - v &= ~MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup disable */ - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v |= MXC_OTG_UCTRL_OPM_BIT; - else - v &= ~MXC_OTG_UCTRL_OPM_BIT; - __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); - } - break; - case 1: /* Host 1 */ - /*Host ULPI */ - v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) { - /* HOST1 wakeup/ULPI intr enable */ - v |= (MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT); - } else { - /* HOST1 wakeup/ULPI intr disable */ - v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT); - } - - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/ - else - v |= MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/ - __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); - - v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */ - else - v |= MXC_H1_OC_DIS_BIT; /* OC is not used */ - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); - - v = __raw_readl(usbotg_base + MXC_USBCMD_OFFSET); - if (flags & MXC_EHCI_ITC_NO_THRESHOLD) - /* Interrupt Threshold Control:Immediate (no threshold) */ - v &= MXC_UCMD_ITC_NO_THRESHOLD_MASK; - __raw_writel(v, usbotg_base + MXC_USBCMD_OFFSET); - break; - case 2: /* Host 2 ULPI */ - v = __raw_readl(usbother_base + MXC_USBH2CTRL_OFFSET); - if (flags & MXC_EHCI_WAKEUP_ENABLED) { - /* HOST1 wakeup/ULPI intr enable */ - v |= (MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT); - } else { - /* HOST1 wakeup/ULPI intr disable */ - v &= ~(MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT); - } - - if (flags & MXC_EHCI_POWER_PINS_ENABLED) - v &= ~MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used*/ - else - v |= MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used*/ - __raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET); - break; - } - -error: - iounmap(usb_base); - return ret; - } + if (cpu_is_mx51()) + return mx51_initialize_usb_hw(port, flags); #endif printk(KERN_WARNING "%s() unable to setup USBCONTROL for this CPU\n", __func__); diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h index a523a40..7e555a1 100644 --- a/arch/arm/plat-mxc/include/mach/mxc_ehci.h +++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h @@ -50,5 +50,11 @@ struct mxc_usbh_platform_data { int mxc_initialize_usb_hw(int port, unsigned int flags); +int mx51_initialize_usb_hw(int port, unsigned int flags); +int mx25_initialize_usb_hw(int port, unsigned int flags); +int mx31_initialize_usb_hw(int port, unsigned int flags); +int mx35_initialize_usb_hw(int port, unsigned int flags); +int mx27_initialize_usb_hw(int port, unsigned int flags); + #endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */ |