[U-Boot-Users] [PATCH 4/7] USB: Add support for OHCI controller on s3c6400

2008-07-31 Thread Guennadi Liakhovetski 
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 [EMAIL PROTECTED]
---
 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
 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 000..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 
[EMAIL PROTECTED]
+ *
+ * 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 |= 0x1;
+   return 0;
+}
+
+int usb_cpu_stop(void)
+{
+   OTHERS_REG = ~0x1;
+   return 0;
+}
+
+void usb_cpu_init_fail(void)
+{
+   OTHERS_REG = ~0x1;
+}
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) || \
-- 
1.5.4


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Re: [U-Boot-Users] [PATCH 4/7] USB: Add support for OHCI controller on s3c6400

2008-07-31 Thread Wolfgang Denk 
In message [EMAIL PROTECTED] you 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 [EMAIL PROTECTED]

...
 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) || \

Please keep the list sorted.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH, MD: Wolfgang Denk  Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED]
Wish not to seem, but to be, the best.  - Aeschylus

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Re: [U-Boot-Users] [PATCH 4/7] USB: Add support for OHCI controller on s3c6400

2008-07-31 Thread Jean-Christophe PLAGNIOL-VILLARD 
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 [EMAIL PROTECTED]
 ---
  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 000..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 
 [EMAIL PROTECTED]
 + *
 + * 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 |= 0x1;
 + return 0;
 +}
 +
 +int usb_cpu_stop(void)
 +{
 + OTHERS_REG = ~0x1;
 + return 0;
 +}
 +
 +void usb_cpu_init_fail(void)
 +{
 + OTHERS_REG = ~0x1;
 +}
 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.

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