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authorMarian Balakowicz <m8@semihalf.com>2008-02-21 17:18:01 +0100
committerMarian Balakowicz <m8@semihalf.com>2008-02-21 17:18:01 +0100
commit20c93959330aba8b5bbdbfde1ef319e99eba235d (patch)
treeef82297e3aeb904f94584e6d136fac55ec32c317 /cpu/arm926ejs/at91cap9/usb.c
parent5cf746c303710329f8040d9c62ee354313e3e91f (diff)
parent928d1d77f8623c120d8763e20e1ca58df9c5c4c6 (diff)
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Merge branch 'master' of /home/git/u-boot
Diffstat (limited to 'cpu/arm926ejs/at91cap9/usb.c')
-rw-r--r--cpu/arm926ejs/at91cap9/usb.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/cpu/arm926ejs/at91cap9/usb.c b/cpu/arm926ejs/at91cap9/usb.c
new file mode 100644
index 0000000..69da5f3
--- /dev/null
+++ b/cpu/arm926ejs/at91cap9/usb.c
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2006
+ * DENX Software Engineering <mk <at> 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)
+#ifdef CONFIG_AT91CAP9
+
+#include <asm/arch/hardware.h>
+
+int usb_cpu_init(void)
+{
+ /* Enable USB host clock. */
+ AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UHP;
+ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_UHP;
+
+ return 0;
+}
+
+int usb_cpu_stop(void)
+{
+ /* Disable USB host clock. */
+ AT91C_BASE_PMC->PMC_PCDR = 1 << AT91C_ID_UHP;
+ AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_UHP;
+ return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+ return usb_cpu_stop();
+}
+
+#endif /* CONFIG_AT91CAP9 */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */