On 12:54 Thu 31 Jul , Guennadi Liakhovetski wrote:

Notice: USB on s3c6400 currently works _only_ with switched off MMU. One could try to enable the MMU, but map addresses 1-to-1, and disable data cache, then it should work too and we could still profit from instruction cache.

Signed-off-by: Guennadi Liakhovetski lg@denx.de

cpu/arm1176/s3c64xx/Makefile | 1 + cpu/arm1176/s3c64xx/usb.c | 44 ++++++++++++++++++++++++++++++++++++++++++ drivers/usb/usb_ohci.c | 1 + 3 files changed, 46 insertions(+), 0 deletions(-) create mode 100644 cpu/arm1176/s3c64xx/usb.c

diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile index 92373d8..0a1201d 100644 --- a/cpu/arm1176/s3c64xx/Makefile +++ b/cpu/arm1176/s3c64xx/Makefile @@ -28,6 +28,7 @@ LIB = $(obj)lib$(SOC).a OBJS = interrupts.o #OBJS = nand_cp.o serial.o usb_ohci.o interrupts.o nand.o

If no need please remove put it as conditional

COBJS-$(CONFIG_S3C6400) += cpu_init.o speed.o +COBJS-$(CONFIG_USB_OHCI_NEW) += usb.o

OBJS += $(COBJS-y)

diff --git a/cpu/arm1176/s3c64xx/usb.c b/cpu/arm1176/s3c64xx/usb.c new file mode 100644 index 0000000..f9dbc5e --- /dev/null +++ b/cpu/arm1176/s3c64xx/usb.c @@ -0,0 +1,44 @@ +/*

• • URB OHCI HCD (Host Controller Driver) initialization for USB on the S3C64XX.
• • Copyright (C) 2008, Guennadi Liakhovetski, DENX Software Engineering lg@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> +#include <s3c6400.h>

+int usb_cpu_init(void) +{

• OTHERS_REG |= 0x10000;
• return 0;

+}

+int usb_cpu_stop(void) +{

• OTHERS_REG &= ~0x10000;
• return 0;

+}

+void usb_cpu_init_fail(void) +{

• OTHERS_REG &= ~0x10000;

+} diff --git a/drivers/usb/usb_ohci.c b/drivers/usb/usb_ohci.c index fd60edb..94549a8 100644 --- a/drivers/usb/usb_ohci.c +++ b/drivers/usb/usb_ohci.c @@ -67,6 +67,7 @@ #endif

#if defined(CONFIG_ARM920T) || \

• defined(CONFIG_S3C6400) || \ defined(CONFIG_S3C2400) || \ defined(CONFIG_S3C2410) || \ defined(CONFIG_440EP) || \

Could we find a better way than add and add more defined?

Best Regards, J.