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authorWolfgang Denk <wd@denx.de>2007-08-09 23:17:32 +0200
committerWolfgang Denk <wd@denx.de>2007-08-09 23:17:32 +0200
commit19901c6320a07dfa33814c9cdb5b9f6511765079 (patch)
treed85a6eec1ec2a4d94c61244ab85d72368305726e /cpu/pxa
parent2c4faea84f3d96d674e3c065e1f220b20c8930c0 (diff)
parent78549bbf44bd2c8d1a0730fb068836071751afaa (diff)
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Merge with /home/wd/git/u-boot/custodian/u-boot-usb
Diffstat (limited to 'cpu/pxa')
-rw-r--r--cpu/pxa/Makefile2
-rw-r--r--cpu/pxa/usb.c79
2 files changed, 80 insertions, 1 deletions
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index cded7ff..8b4367e 100644
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
+COBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c
new file mode 100644
index 0000000..65f457f
--- /dev/null
+++ b/cpu/pxa/usb.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2006
+ * 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(CFG_USB_OHCI_CPU_INIT)
+# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
+
+#include <asm/arch/pxa-regs.h>
+
+int usb_cpu_init()
+{
+#if defined(CONFIG_CPU_MONAHANS)
+ /* Enable USB host clock. */
+ CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC);
+ udelay(100);
+#endif
+#if defined(CONFIG_PXA27X)
+ /* Enable USB host clock. */
+ CKEN |= CKEN10_USBHOST;
+#endif
+
+#if defined(CONFIG_CPU_MONAHANS)
+ /* Configure Port 2 for Host (USB Client Registers) */
+ UP2OCR = 0x3000c;
+#endif
+
+ UHCHR |= UHCHR_FHR;
+ wait_ms(11);
+ UHCHR &= ~UHCHR_FHR;
+
+ UHCHR |= UHCHR_FSBIR;
+ while (UHCHR & UHCHR_FSBIR)
+ udelay(1);
+
+#if defined(CONFIG_CPU_MONAHANS)
+ UHCHR &= ~UHCHR_SSEP0;
+#endif
+#if defined(CONFIG_PXA27X)
+ UHCHR &= ~UHCHR_SSEP2;
+#endif
+ UHCHR &= ~UHCHR_SSEP1;
+ UHCHR &= ~UHCHR_SSE;
+
+ return 0;
+}
+
+int usb_cpu_stop()
+{
+ return 0;
+}
+
+int usb_cpu_init_fail()
+{
+ return 0;
+}
+
+# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */