diff options
author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 15:54:21 -0500 |
---|---|---|
committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 15:54:21 -0500 |
commit | 0223e595f4033e91e93403a7317bcc9e47676b8f (patch) | |
tree | 2ccd7127bc343f82456b76eeb0da2d380f6eaf65 /arch/powerpc/cpu/mpc5xxx/usb.c | |
download | ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.zip ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.tar.gz |
Initial import of modified u-boot tree
Original upstream URL:
git://git.denx.de/u-boot.git
Original upstream GIT hash:
62c175fbb8a0f9a926c88294ea9f7e88eb898f6c
Diffstat (limited to 'arch/powerpc/cpu/mpc5xxx/usb.c')
-rw-r--r-- | arch/powerpc/cpu/mpc5xxx/usb.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc5xxx/usb.c b/arch/powerpc/cpu/mpc5xxx/usb.c new file mode 100644 index 0000000..bec7da3 --- /dev/null +++ b/arch/powerpc/cpu/mpc5xxx/usb.c @@ -0,0 +1,58 @@ +/* + * (C) Copyright 2007 + * Markus Klotzbuecher, 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) + +#include <mpc5xxx.h> + +int usb_cpu_init(void) +{ + /* Set the USB Clock */ + *(vu_long *)MPC5XXX_CDM_48_FDC = CONFIG_USB_CLOCK; + +#ifdef CONFIG_PSC3_USB /* USB is using the alternate configuration */ + /* remove all PSC3 USB bits first before ORing in ours */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG &= ~0x00804f00; +#else + /* remove all USB bits first before ORing in ours */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG &= ~0x00807000; +#endif + /* Activate USB port */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= CONFIG_USB_CONFIG; + + return 0; +} + +int usb_cpu_stop(void) +{ + return 0; +} + +int usb_cpu_init_fail(void) +{ + return 0; +} + +#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |