summaryrefslogtreecommitdiff
path: root/cpu/mpc83xx/cpu_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/mpc83xx/cpu_init.c')
-rw-r--r--cpu/mpc83xx/cpu_init.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 8e9c87559..414565cb6 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -23,6 +23,10 @@
#include <common.h>
#include <mpc83xx.h>
#include <ioports.h>
+#ifdef CONFIG_USB_EHCI_FSL
+#include <asm/io.h>
+#include <usb/ehci-fsl.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -185,7 +189,7 @@ void cpu_init_f (volatile immap_t * im)
/* System General Purpose Register */
#ifdef CONFIG_SYS_SICRH
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC8313)
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313)
/* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */
im->sysconf.sicrh = (im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH;
#else
@@ -294,6 +298,19 @@ void cpu_init_f (volatile immap_t * im)
im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT;
im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
#endif
+#ifdef CONFIG_USB_EHCI_FSL
+ uint32_t temp;
+ struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR;
+
+ /* Configure interface. */
+ setbits_be32((void *)ehci->control, REFSEL_16MHZ | UTMI_PHY_EN);
+
+ /* Wait for clock to stabilize */
+ do {
+ temp = in_be32((void *)ehci->control);
+ udelay(1000);
+ } while (!(temp & PHY_CLK_VALID));
+#endif
}
int cpu_init_r (void)