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| 45 ++
drivers/usb/usb_ohci.c |1 +
3 files changed, 47 insertions(+), 0 deletions(-)
create mode 100644 cpu/arm1176/s3c64xx/usb.c
diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile
index fa4ee3f..4ab1811 100644
--- a/cpu/arm1176/s3c64xx/Makefile
+++ b/cpu/arm1176/s3c64xx/Makefile
@@ -30,6 +30,7 @@ LIB = $(obj)lib$(SOC).a
COBJS-y= interrupts.o
COBJS-$(CONFIG_S3C6400)+= cpu_init.o speed.o
+COBJS-$(CONFIG_USB_OHCI_NEW) += usb.o
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
diff --git a/cpu/arm1176/s3c64xx/usb.c b/cpu/arm1176/s3c64xx/usb.c
new file mode 100644
index 000..274a4ed
--- /dev/null
+++ b/cpu/arm1176/s3c64xx/usb.c
@@ -0,0 +1,45 @@
+/*
+ * 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..0bfa4d7 100644
--- a/drivers/usb/usb_ohci.c
+++ b/drivers/usb/usb_ohci.c
@@ -69,6 +69,7 @@
#if defined(CONFIG_ARM920T) || \
defined(CONFIG_S3C2400) || \
defined(CONFIG_S3C2410) || \
+defined(CONFIG_S3C6400) || \
defined(CONFIG_440EP) || \
defined(CONFIG_PCI_OHCI) || \
defined(CONFIG_MPC5200) || \
--
1.5.4
-
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