1 files changed, 85 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/drivers/usb/host/ohci-at91.c b/roms/u-boot-sam460ex/drivers/usb/host/ohci-at91.c
new file mode 100644
index 000000000..b2e03bc58
--- /dev/null
+++ b/roms/u-boot-sam460ex/drivers/usb/host/ohci-at91.c
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2006
+ * 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(CONFIG_SYS_USB_OHCI_CPU_INIT)
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/io.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
+
+int usb_cpu_init(void)
+{
+	at91_pmc_t *pmc	= (at91_pmc_t *)AT91_PMC_BASE;
+
+#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) || \
+    defined(CONFIG_AT91SAM9261)
+	/* Enable PLLB */
+	writel(get_pllb_init(), &pmc->pllbr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
+		;
+#endif
+
+	/* Enable USB host clock. */
+	writel(1 << AT91_ID_UHP, &pmc->pcer);
+#ifdef CONFIG_AT91SAM9261
+	writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
+#else
+	writel(AT91_PMC_UHP, &pmc->scer);
+#endif
+
+	return 0;
+}
+
+int usb_cpu_stop(void)
+{
+	at91_pmc_t *pmc	= (at91_pmc_t *)AT91_PMC_BASE;
+
+	/* Disable USB host clock. */
+	writel(1 << AT91_ID_UHP, &pmc->pcdr);
+#ifdef CONFIG_AT91SAM9261
+	writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr);
+#else
+	writel(AT91_PMC_UHP, &pmc->scdr);
+#endif
+
+#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
+	/* Disable PLLB */
+	writel(0, &pmc->pllbr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
+		;
+#endif
+
+	return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+	return usb_cpu_stop();
+}
+
+#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */