diff options
Diffstat (limited to 'arch/arm/cpu/arm920t/s3c24x0/usb.c')
-rw-r--r-- | arch/arm/cpu/arm920t/s3c24x0/usb.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/arm/cpu/arm920t/s3c24x0/usb.c b/arch/arm/cpu/arm920t/s3c24x0/usb.c deleted file mode 100644 index 226a3f6c90..0000000000 --- a/arch/arm/cpu/arm920t/s3c24x0/usb.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * (C) Copyright 2006 - * DENX Software Engineering <mk@denx.de> - * - * 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 <common.h> - -#if defined(CONFIG_USB_OHCI_NEW) && \ - defined(CONFIG_SYS_USB_OHCI_CPU_INIT) && \ - defined(CONFIG_S3C24X0) - -#include <asm/arch/s3c24x0_cpu.h> -#include <asm/io.h> - -int usb_cpu_init(void) -{ - struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power(); - struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio(); - - /* - * Set the 48 MHz UPLL clocking. Values are taken from - * "PLL value selection guide", 6-23, s3c2400_UM.pdf. - */ - writel((40 << 12) + (1 << 4) + 2, &clk_power->upllcon); - /* 1 = use pads related USB for USB host */ - writel(readl(&gpio->misccr) | 0x8, &gpio->misccr); - - /* - * Enable USB host clock. - */ - writel(readl(&clk_power->clkcon) | (1 << 4), &clk_power->clkcon); - - return 0; -} - -int usb_cpu_stop(void) -{ - struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power(); - /* may not want to do this */ - writel(readl(&clk_power->clkcon) & ~(1 << 4), &clk_power->clkcon); - return 0; -} - -int usb_cpu_init_fail(void) -{ - struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power(); - writel(readl(&clk_power->clkcon) & ~(1 << 4), &clk_power->clkcon); - return 0; -} - -#endif /* defined(CONFIG_USB_OHCI_NEW) && \ - defined(CONFIG_SYS_USB_OHCI_CPU_INIT) && \ - defined(CONFIG_S3C24X0) */ |