/* * (C) Copyright 2006 * Markus Klotzbuecher, DENX Software Engineering * * See file CREDITS for list of people who contributed to this * project. * * 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 */ #include #include #ifdef CFG_USB_CPU_INIT # ifdef CONFIG_CPU_MONAHANS int usb_cpu_init() { /* Enable USB host clock. */ CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC); udelay(100); /* Configure Port 2 for Host (USB Client Registers) */ UP2OCR = 0x3000c; #if 0 GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */ GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */ #endif UHCHR |= UHCHR_FHR; wait_ms(11); UHCHR &= ~UHCHR_FHR; UHCHR |= UHCHR_FSBIR; while (UHCHR & UHCHR_FSBIR) udelay(1); #if 0 UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */ UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */ #endif UHCHR &= ~UHCHR_SSEP0; UHCHR &= ~UHCHR_SSEP1; UHCHR &= ~UHCHR_SSE; return 0; } int usb_cpu_stop() { /* may not want to do this */ /* CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); */ return 0; } # endif /* CONFIG_CPU_MONAHANS */ #endif /* CFG_USB_CPU_INIT */