Merge git://www.denx.de/git/u-boot

1 files changed, 79 insertions, 0 deletions

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) */