3 * DENX Software Engineering <mk@denx.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
27 # if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
29 #if defined(CONFIG_S3C2400)
31 #elif defined(CONFIG_S3C2410)
33 #elif defined(CONFIG_S3C2440)
37 int usb_cpu_init (void)
40 S3C24X0_CLOCK_POWER
* const clk_power
= S3C24X0_GetBase_CLOCK_POWER();
41 S3C24X0_GPIO
* const gpio
= S3C24X0_GetBase_GPIO();
44 * Set the 48 MHz UPLL clocking. Values are taken from
45 * "PLL value selection guide", 6-23, s3c2400_UM.pdf.
47 clk_power
->UPLLCON
= ((40 << 12) + (1 << 4) + 2);
48 gpio
->MISCCR
|= 0x8; /* 1 = use pads related USB for USB host */
51 * Enable USB host clock.
53 clk_power
->CLKCON
|= (1 << 4);
58 int usb_cpu_stop (void)
60 S3C24X0_CLOCK_POWER
* const clk_power
= S3C24X0_GetBase_CLOCK_POWER();
61 /* may not want to do this */
62 clk_power
->CLKCON
&= ~(1 << 4);
66 int usb_cpu_init_fail (void)
68 S3C24X0_CLOCK_POWER
* const clk_power
= S3C24X0_GetBase_CLOCK_POWER();
69 clk_power
->CLKCON
&= ~(1 << 4);
73 # endif /* defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440) */
74 #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */