diff options
| -rw-r--r-- | arch/arm/mach-imx/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mach-imx/ehci-imx25.c | 80 | ||||
| -rw-r--r-- | arch/arm/mach-imx/ehci-imx27.c | 82 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/ehci-imx31.c | 83 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/ehci-imx35.c | 80 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/ehci.c | 156 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/ehci.c | 343 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_ehci.h | 6 |
10 files changed, 502 insertions, 338 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 3e49ae0..b85794d 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -9,10 +9,10 @@ obj-$(CONFIG_IMX_HAVE_DMA_V1) += dma-v1.o obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o -obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o +obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o ehci-imx25.o obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o -obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o +obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o ehci-imx27.o # Support for CMOS sensor interface obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o diff --git a/arch/arm/mach-imx/ehci-imx25.c b/arch/arm/mach-imx/ehci-imx25.c new file mode 100644 index 0000000..865daf0 --- /dev/null +++ b/arch/arm/mach-imx/ehci-imx25.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/mxc_ehci.h> + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#define MX25_OTG_SIC_SHIFT 29 +#define MX25_OTG_SIC_MASK (0x3 << MX25_OTG_SIC_SHIFT) +#define MX25_OTG_PM_BIT (1 << 24) + +#define MX25_H1_SIC_SHIFT 21 +#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT) +#define MX25_H1_PM_BIT (1 << 8) +#define MX25_H1_IPPUE_UP_BIT (1 << 7) +#define MX25_H1_IPPUE_DOWN_BIT (1 << 6) +#define MX25_H1_TLL_BIT (1 << 5) +#define MX25_H1_USBTE_BIT (1 << 4) + +int mx25_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + + v = readl(MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + switch (port) { + case 0: /* OTG port */ + v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX25_OTG_PM_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_TLL_BIT | + MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT | MX25_H1_IPPUE_UP_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX25_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX25_H1_TLL_BIT; + + if (flags & MXC_EHCI_INTERNAL_PHY) + v |= MX25_H1_USBTE_BIT; + + if (flags & MXC_EHCI_IPPUE_DOWN) + v |= MX25_H1_IPPUE_DOWN_BIT; + + if (flags & MXC_EHCI_IPPUE_UP) + v |= MX25_H1_IPPUE_UP_BIT; + + break; + default: + return -EINVAL; + } + + writel(v, MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + return 0; +} + diff --git a/arch/arm/mach-imx/ehci-imx27.c b/arch/arm/mach-imx/ehci-imx27.c new file mode 100644 index 0000000..fa69419 --- /dev/null +++ b/arch/arm/mach-imx/ehci-imx27.c @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/mxc_ehci.h> + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#define MX27_OTG_SIC_SHIFT 29 +#define MX27_OTG_SIC_MASK (0x3 << MX27_OTG_SIC_SHIFT) +#define MX27_OTG_PM_BIT (1 << 24) + +#define MX27_H2_SIC_SHIFT 21 +#define MX27_H2_SIC_MASK (0x3 << MX27_H2_SIC_SHIFT) +#define MX27_H2_PM_BIT (1 << 16) +#define MX27_H2_DT_BIT (1 << 5) + +#define MX27_H1_SIC_SHIFT 13 +#define MX27_H1_SIC_MASK (0x3 << MX27_H1_SIC_SHIFT) +#define MX27_H1_PM_BIT (1 << 8) +#define MX27_H1_DT_BIT (1 << 4) + +int mx27_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + + v = readl(MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + switch (port) { + case 0: /* OTG port */ + v &= ~(MX27_OTG_SIC_MASK | MX27_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_OTG_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX27_OTG_PM_BIT; + break; + case 1: /* H1 port */ + v &= ~(MX27_H1_SIC_MASK | MX27_H1_PM_BIT | MX27_H1_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_H1_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX27_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX27_H1_DT_BIT; + + break; + case 2: /* H2 port */ + v &= ~(MX27_H2_SIC_MASK | MX27_H2_PM_BIT | MX27_H2_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_H2_SIC_SHIFT; + + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX27_H2_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX27_H2_DT_BIT; + + break; + default: + return -EINVAL; + } + + writel(v, MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET)); + + return 0; +} + diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile index bc7294f..224d07a 100644 --- a/arch/arm/mach-mx3/Makefile +++ b/arch/arm/mach-mx3/Makefile @@ -5,8 +5,8 @@ # Object file lists. obj-y := mm.o devices.o cpu.o -obj-$(CONFIG_SOC_IMX31) += clock-imx31.o iomux-imx31.o -obj-$(CONFIG_SOC_IMX35) += clock-imx35.o +obj-$(CONFIG_SOC_IMX31) += clock-imx31.o iomux-imx31.o ehci-imx31.o +obj-$(CONFIG_SOC_IMX35) += clock-imx35.o ehci-imx35.o obj-$(CONFIG_MACH_MX31ADS) += mach-mx31ads.o obj-$(CONFIG_MACH_MX31LILLY) += mach-mx31lilly.o mx31lilly-db.o obj-$(CONFIG_MACH_MX31LITE) += mach-mx31lite.o mx31lite-db.o diff --git a/arch/arm/mach-mx3/ehci-imx31.c b/arch/arm/mach-mx3/ehci-imx31.c new file mode 100644 index 0000000..314a983 --- /dev/null +++ b/arch/arm/mach-mx3/ehci-imx31.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#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) + +int mx31_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + + 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; +} + diff --git a/arch/arm/mach-mx3/ehci-imx35.c b/arch/arm/mach-mx3/ehci-imx35.c new file mode 100644 index 0000000..33983a4 --- /dev/null +++ b/arch/arm/mach-mx3/ehci-imx35.c @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/mxc_ehci.h> + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#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) + +int mx35_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + + 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; +} + diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 0d43be9..dc27288 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -3,7 +3,7 @@ # # Object file lists. -obj-y := cpu.o mm.o clock-mx51-mx53.o devices.o +obj-y := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o obj-$(CONFIG_SOC_IMX50) += mm-mx50.o obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o diff --git a/arch/arm/mach-mx5/ehci.c b/arch/arm/mach-mx5/ehci.c new file mode 100644 index 0000000..7ce12c8 --- /dev/null +++ b/arch/arm/mach-mx5/ehci.c @@ -0,0 +1,156 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/mxc_ehci.h> + +#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 mx51_initialize_usb_hw(int port, unsigned int flags) +{ + unsigned int v; + 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; +} + 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 */ |