mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 17:41:08 +00:00
d9abba8254
This patch adds generic support for the Samsung s3c2440 processor. Global s3c24x0 changes to struct members converting from upper case to lower case. Signed-off-by: Craig Nauman <cnauman@diagraph.com> Cc: kevin.morfitt@fearnside-systems.co.uk Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
|
|
* (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) */
|