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authorMichal Simek <monstr@monstr.eu>2007-08-15 21:06:52 +0200
committerMichal Simek <monstr@monstr.eu>2007-08-15 21:06:52 +0200
commit19909edb97140a5ea3139705589bb90e023ab5e1 (patch)
tree6629766d2355d3c01b96b0c5ee6b9fd73502c943 /cpu/pxa
parentd1ed28cf36ab6b1d4c479809de7252bf53d2f2d4 (diff)
parent210f463c71917b7a4495c2103c228b9c179ae64d (diff)
downloadu-boot-imx-19909edb97140a5ea3139705589bb90e023ab5e1.zip
u-boot-imx-19909edb97140a5ea3139705589bb90e023ab5e1.tar.gz
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Merge git://www.denx.de/git/u-boot into merge
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) */