add support for target 3c24xx (more known as Openmoko GTA02 "Freerunner") and merge it with the openmoko-target and the work Michael Buesch <mb> did

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13609 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 89 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches/0051-s3c2410-usb-switch.patch.patch b/target/linux/s3c24xx/patches/0051-s3c2410-usb-switch.patch.patch
new file mode 100755
index 0000000000..bfe959faaa
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0051-s3c2410-usb-switch.patch.patch
@@ -0,0 +1,89 @@
+From 7cb1e9a0797dd5d372f943f0ed971a5b432d16aa Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Fri, 25 Jul 2008 22:21:23 +0100
+Subject: [PATCH] s3c2410-usb-switch.patch
+
+---
+ drivers/usb/host/ohci-s3c2410.c |   43 +++++++++++++++++++++++++++++++++++++++
+ 1 files changed, 43 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
+index 3c7a740..5877fc9 100644
+--- a/drivers/usb/host/ohci-s3c2410.c
++++ b/drivers/usb/host/ohci-s3c2410.c
+@@ -24,6 +24,7 @@
+ 
+ #include <asm/hardware.h>
+ #include <asm/arch/usb-control.h>
++#include <asm/arch/regs-gpio.h>
+ 
+ #define valid_port(idx) ((idx) == 1 || (idx) == 2)
+ 
+@@ -308,6 +309,40 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
+ 	local_irq_restore(flags);
+ }
+ 
++/* switching of USB pads */
++static ssize_t show_usb_mode(struct device *dev, struct device_attribute *attr,
++			     char *buf)
++{
++	if (__raw_readl(S3C24XX_MISCCR) & S3C2410_MISCCR_USBHOST)
++		return sprintf(buf, "host\n");
++
++	return sprintf(buf, "device\n");
++}
++
++static ssize_t set_usb_mode(struct device *dev, struct device_attribute *attr,
++			    const char *buf, size_t count)
++{
++	if (!strncmp(buf, "host", 4)) {
++		printk("s3c2410: changing usb to host\n");
++		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST,
++				      S3C2410_MISCCR_USBHOST);
++		/* FIXME:
++		 * - call machine-specific disable-pullup function i
++		 * - enable +Vbus (if hardware supports it)
++		 */
++		s3c2410_gpio_setpin(S3C2410_GPB9, 0);
++	} else if (!strncmp(buf, "device", 6)) {
++		printk("s3c2410: changing usb to device\n");
++		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST, 0);
++		s3c2410_gpio_setpin(S3C2410_GPB9, 1);
++	} else
++		printk("s3c2410: unknown mode\n");
++		return -EINVAL;
++	return count;
++}
++
++static DEVICE_ATTR(usb_mode, S_IRUGO | S_IWUSR, show_usb_mode, set_usb_mode);
++
+ /* may be called without controller electrically present */
+ /* may be called with controller, bus, and devices active */
+ 
+@@ -325,6 +360,7 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
+ static void
+ usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
+ {
++	device_remove_file(&dev->dev, &dev_attr_usb_mode);
+ 	usb_remove_hcd(hcd);
+ 	s3c2410_stop_hc(dev);
+ 	iounmap(hcd->regs);
+@@ -392,8 +428,15 @@ static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
+ 	if (retval != 0)
+ 		goto err_ioremap;
+ 
++	retval = device_create_file(&dev->dev, &dev_attr_usb_mode);
++	if (retval != 0)
++		goto err_hcd;
++
+ 	return 0;
+ 
++ err_hcd:
++	usb_remove_hcd(hcd);
++
+  err_ioremap:
+ 	s3c2410_stop_hc(dev);
+ 	iounmap(hcd->regs);
+-- 
+1.5.6.3
+