diff options
Diffstat (limited to 'recipes/linux/opensimpad/sa1100-usb-tcl1.patch')
| -rw-r--r-- | recipes/linux/opensimpad/sa1100-usb-tcl1.patch | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/recipes/linux/opensimpad/sa1100-usb-tcl1.patch b/recipes/linux/opensimpad/sa1100-usb-tcl1.patch new file mode 100644 index 0000000000..da7f50d120 --- /dev/null +++ b/recipes/linux/opensimpad/sa1100-usb-tcl1.patch @@ -0,0 +1,216 @@ + +# +# Patch managed by http://www.holgerschurig.de/patcher.html +# + +--- linux-2.4.27/arch/arm/mach-sa1100/sa1100_usb.h~sa1100-usb ++++ linux-2.4.27/arch/arm/mach-sa1100/sa1100_usb.h +@@ -10,6 +10,11 @@ + #define _SA1100_USB_H + #include <asm/byteorder.h> + ++#define SA1100_USB_DEBUG ++#ifdef SA1100_USB_DEBUG ++extern int sa1100_usb_debug; ++#endif ++ + typedef void (*usb_callback_t)(int flag, int size); + + /* in usb_ctl.c (see also descriptor methods at bottom of file) */ +--- linux-2.4.27/arch/arm/mach-sa1100/usb_ctl.c~sa1100-usb ++++ linux-2.4.27/arch/arm/mach-sa1100/usb_ctl.c +@@ -28,6 +28,12 @@ + #include "sa1100_usb.h" + #include "usb_ctl.h" + ++// Toby Churchill Ltd modification to re assert Ser0UDCOMP when it gets corrupted (why?) ++// Identified by Chris Jones for TCL. ++// Added 25/3/2004 N C Bane for balloon board. ++#define TCL_FIX ++ ++ + ////////////////////////////////////////////////////////////////////////////// + // Prototypes + ////////////////////////////////////////////////////////////////////////////// +@@ -109,6 +115,45 @@ + ////////////////////////////////////////////////////////////////////////////// + // Async + ////////////////////////////////////////////////////////////////////////////// ++ ++#ifdef CONFIG_SA1100_USB_HOTPLUG ++// user space notification support for sa1100 usb state change ++// Copyright (c) 2003 N C Bane ++#include <linux/kmod.h> ++#include <linux/interrupt.h> ++//static int usb_hotplug_state=USB_STATE_DEFAULT; ++ ++static void do_usb_helper (void *status) ++{ ++ char *argv [3], *envp [3]; ++ int v; ++ ++ argv [0] = "/sbin/sausb-hotplug"; ++ ++ argv [1] = device_state_names[(int)status]; ++ argv [2] = NULL; ++ ++ envp [0] = "HOME=/"; ++ envp [1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; ++ envp [2] = NULL; ++ ++ v = call_usermodehelper (argv [0], argv, envp); ++ ++ if (v != 0) ++ printk ("sausb hotplug returned 0x%x", v); ++} ++ ++static struct tq_struct usb_task; ++ ++static void usb_helper (int status) { ++// usb_hotplug_state = status; ++ usb_task.routine=do_usb_helper; ++ usb_task.data=(void *)status; ++ schedule_task(&usb_task); ++} ++ ++#endif ++ + static void core_kicker(void); + + static inline void enable_resume_mask_suspend( void ); +@@ -119,6 +164,7 @@ + { + __u32 status = Ser0UDCSR; + ++//static int reset; + /* ReSeT Interrupt Request - UDC has been reset */ + if ( status & UDCSR_RSTIR ) + { +@@ -133,6 +179,7 @@ + // mask reset ints, they flood during sequence, enable + // suspend and resume + Ser0UDCCR |= UDCCR_REM; // mask reset ++//reset=true; + Ser0UDCCR &= ~(UDCCR_SUSIM | UDCCR_RESIM); // enable suspend and resume + UDC_flip( Ser0UDCSR, status ); // clear all pending sources + return; // <-- no reason to continue if resetting +@@ -160,6 +207,13 @@ + if (status & UDCSR_EIR) + ep0_int_hndlr(); + ++#ifdef TCL_FIX ++ if (Ser0UDCOMP!=63) { ++ printk("%s: Ser0UDCOMP = %d. Reset to 63\n",__FUNCTION__,Ser0UDCOMP); ++ Ser0UDCOMP=63; ++ } ++#endif ++ + if (status & UDCSR_RIR) + ep1_int_hndlr(status); + +@@ -443,6 +497,12 @@ + ) { + configured_callback(); + } ++#ifdef CONFIG_SA1100_USB_HOTPLUG ++ if (next_device_state == USB_STATE_CONFIGURED) ++ usb_helper(next_device_state); ++ if ((next_device_state == USB_STATE_SUSPENDED) && (usbd_info.state == USB_STATE_CONFIGURED)) ++ usb_helper(next_device_state); ++#endif + usbd_info.state = next_device_state; + ep1_state_change_notify( next_device_state ); + ep2_state_change_notify( next_device_state ); +@@ -683,6 +743,43 @@ + return len; + } + ++#ifdef SA1100_USB_DEBUG ++#include <asm/uaccess.h> /* to copy to/from userspace */ ++struct proc_dir_entry *debug_entry; ++ ++static int proc_debug_read (struct file * file, char * buf, ++ size_t nbytes, loff_t *ppos) ++{ ++ char outputbuf[8]; ++ int count; ++ // read completed? ++ if (*ppos) ++ return 0; ++ count=sprintf(outputbuf, "%d\n",sa1100_usb_debug); ++ if (copy_to_user(buf, outputbuf, count)) ++ return -EFAULT; ++ return count; ++} ++ ++static ssize_t proc_debug_write(struct file * file, const char * buffer, ++ size_t count, loff_t *ppos) ++{ ++ char *endp; ++ if (*ppos) ++ return -EINVAL; ++ sa1100_usb_debug = simple_strtoul(buffer,&endp,0); ++ // we claim all is read ++ return count; ++} ++ ++ ++ ++static struct file_operations proc_debug_operations = { ++ read: proc_debug_read, ++ write: proc_debug_write ++}; ++ ++#endif + #endif /* CONFIG_PROC_FS */ + + ////////////////////////////////////////////////////////////////////////////// +@@ -703,6 +800,15 @@ + + #if CONFIG_PROC_FS + create_proc_read_entry ( PROC_NODE_NAME, 0, NULL, usbctl_read_proc, NULL); ++#ifdef SA1100_USB_DEBUG ++ { ++ debug_entry = create_proc_entry("sa1100_usb_debug", ++ S_IWUSR |S_IRUSR | S_IRGRP | S_IROTH, ++ &proc_root); ++ if (debug_entry) ++ debug_entry->proc_fops = &proc_debug_operations; ++ } ++#endif + #endif + + /* setup rx dma */ +@@ -751,6 +857,9 @@ + + #if CONFIG_PROC_FS + remove_proc_entry ( PROC_NODE_NAME, NULL); ++#ifdef SA1100_USB_DEBUG ++ remove_proc_entry("sa1100_usb_debug",&proc_root); ++#endif + #endif + + sa1100_free_dma(usbd_info.dmach_rx); +@@ -769,6 +878,10 @@ + EXPORT_SYMBOL( sa1100_usb_get_string_descriptor ); + EXPORT_SYMBOL( sa1100_usb_kmalloc_string_descriptor ); + ++#ifdef SA1100_USB_DEBUG ++int sa1100_usb_debug=0; ++EXPORT_SYMBOL(sa1100_usb_debug); ++#endif + + module_init( usbctl_init ); + module_exit( usbctl_exit ); +--- linux-2.4.27/arch/arm/config.in~sa1100-usb ++++ linux-2.4.27/arch/arm/config.in +@@ -138,6 +138,9 @@ + dep_bool ' Yopy' CONFIG_SA1100_YOPY $CONFIG_ARCH_SA1100 + + dep_tristate 'SA1100 USB function support' CONFIG_SA1100_USB $CONFIG_ARCH_SA1100 ++if [ "$CONFIG_SA1100_USB" != "n" ]; then ++ bool ' Support for SA11x0 USB usb-hotplug' CONFIG_SA1100_USB_HOTPLUG ++fi + dep_tristate ' Support for SA11x0 USB network link function' CONFIG_SA1100_USB_NETLINK $CONFIG_SA1100_USB + dep_tristate ' Support for SA11x0 USB character device emulation' CONFIG_SA1100_USB_CHAR $CONFIG_SA1100_USB + |