diff options
Diffstat (limited to 'arch/arm/plat-omap/usb.c')
| -rw-r--r-- | arch/arm/plat-omap/usb.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c deleted file mode 100644 index d2bbfd1cb0b5..000000000000 --- a/arch/arm/plat-omap/usb.c +++ /dev/null @@ -1,147 +0,0 @@ - /* - * arch/arm/plat-omap/usb.c -- platform level USB initialization - * - * Copyright (C) 2004 Texas Instruments, 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#undef DEBUG - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <plat/usb.h> -#include <plat/board.h> - -#include <mach/hardware.h> - -#include "../mach-omap2/common.h" - -#ifdef CONFIG_ARCH_OMAP_OTG - -void __init -omap_otg_init(struct omap_usb_config *config) -{ - u32 syscon; - int status; - int alt_pingroup = 0; - - /* NOTE: no bus or clock setup (yet?) */ - - syscon = omap_readl(OTG_SYSCON_1) & 0xffff; - if (!(syscon & OTG_RESET_DONE)) - pr_debug("USB resets not complete?\n"); - - //omap_writew(0, OTG_IRQ_EN); - - /* pin muxing and transceiver pinouts */ - if (config->pins[0] > 2) /* alt pingroup 2 */ - alt_pingroup = 1; - syscon |= config->usb0_init(config->pins[0], is_usb0_device(config)); - syscon |= config->usb1_init(config->pins[1]); - syscon |= config->usb2_init(config->pins[2], alt_pingroup); - pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); - omap_writel(syscon, OTG_SYSCON_1); - - syscon = config->hmc_mode; - syscon |= USBX_SYNCHRO | (4 << 16) /* B_ASE0_BRST */; -#ifdef CONFIG_USB_OTG - if (config->otg) - syscon |= OTG_EN; -#endif - if (cpu_class_is_omap1()) - pr_debug("USB_TRANSCEIVER_CTRL = %03x\n", - omap_readl(USB_TRANSCEIVER_CTRL)); - pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2)); - omap_writel(syscon, OTG_SYSCON_2); - - printk("USB: hmc %d", config->hmc_mode); - if (!alt_pingroup) - printk(", usb2 alt %d wires", config->pins[2]); - else if (config->pins[0]) - printk(", usb0 %d wires%s", config->pins[0], - is_usb0_device(config) ? " (dev)" : ""); - if (config->pins[1]) - printk(", usb1 %d wires", config->pins[1]); - if (!alt_pingroup && config->pins[2]) - printk(", usb2 %d wires", config->pins[2]); - if (config->otg) - printk(", Mini-AB on usb%d", config->otg - 1); - printk("\n"); - - if (cpu_class_is_omap1()) { - u16 w; - - /* leave USB clocks/controllers off until needed */ - w = omap_readw(ULPD_SOFT_REQ); - w &= ~SOFT_USB_CLK_REQ; - omap_writew(w, ULPD_SOFT_REQ); - - w = omap_readw(ULPD_CLOCK_CTRL); - w &= ~USB_MCLK_EN; - w |= DIS_USB_PVCI_CLK; - omap_writew(w, ULPD_CLOCK_CTRL); - } - syscon = omap_readl(OTG_SYSCON_1); - syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN; - -#ifdef CONFIG_USB_GADGET_OMAP - if (config->otg || config->register_dev) { - struct platform_device *udc_device = config->udc_device; - - syscon &= ~DEV_IDLE_EN; - udc_device->dev.platform_data = config; - status = platform_device_register(udc_device); - if (status) - pr_debug("can't register UDC device, %d\n", status); - } -#endif - -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - if (config->otg || config->register_host) { - struct platform_device *ohci_device = config->ohci_device; - - syscon &= ~HST_IDLE_EN; - ohci_device->dev.platform_data = config; - status = platform_device_register(ohci_device); - if (status) - pr_debug("can't register OHCI device, %d\n", status); - } -#endif - -#ifdef CONFIG_USB_OTG - if (config->otg) { - struct platform_device *otg_device = config->otg_device; - - syscon &= ~OTG_IDLE_EN; - otg_device->dev.platform_data = config; - status = platform_device_register(otg_device); - if (status) - pr_debug("can't register OTG device, %d\n", status); - } -#endif - pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1)); - omap_writel(syscon, OTG_SYSCON_1); - - status = 0; -} - -#else -void omap_otg_init(struct omap_usb_config *config) {} -#endif |