1028.reboot.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/arch/mips/tango2/setup.c linuxmips-2.4.30/arch/mips/tango2/setup.c
--- linuxmips-2.4.30.ref/arch/mips/tango2/setup.c	2006-05-18 11:13:36.000000000 -0700
+++ linuxmips-2.4.30/arch/mips/tango2/setup.c	2006-05-18 11:18:29.000000000 -0700
@@ -118,12 +118,53 @@
 	gbus_write_uint32(pGBus, REG_BASE_host_interface + G2L_RESET_CONTROL, 3);
 	gbus_write_uint32(pGBus, REG_BASE_host_interface + G2L_RESET_CONTROL, 2);
 
+#ifdef CONFIG_TANGO2_XENV
+	/* nowhere to  jump, everything is  in xload format,  lets ask
+ 	 * xpu to reboot */
+	{
+#define XRPC_ID_REBOOT		19
+#define SOFT_IRQ_XRPC		(1 << 4)
+
+		struct xrpc_block_header {
+			u32 callerid;
+			u32 xrpcid;
+			u32 param0;
+			u32 param1;
+			u32 param2;
+			u32 param3;
+			u32 param4;
+			u32 headerandblocksize;
+		};
+
+		int loop;
+		unsigned long base_addr = DMEM_BASE_audio_engine_0;
+		struct xrpc_block_header *pB = (struct xrpc_block_header *)base_addr;
+
+		gbus_write_uint32(pGBus, (unsigned long)&pB->callerid, 0);
+		gbus_write_uint32(pGBus, (unsigned long)&pB->headerandblocksize, 
+				(sizeof(struct xrpc_block_header) + 63) & ~63);
+		gbus_write_uint32(pGBus, (unsigned long)&pB->xrpcid, XRPC_ID_REBOOT);
+
+		/* try to lock xrpc mutex for at most 1 sec */
+		for (loop = 0; loop < 1000; loop++) {
+			if (!gbus_read_uint32(pGBus, REG_BASE_host_interface + host_mutex10))
+				break;
+			mdelay(1);
+		}
+		gbus_write_uint32(pGBus, REG_BASE_cpu_block + LR_XPU_STAGE, (unsigned long)pB);
+
+		/* cross our fingers now */
+		gbus_write_uint32(pGBus, REG_BASE_irq_handler_block + CPU_irq_softset, SOFT_IRQ_XRPC);
+		while (1);
+	}
+#else
 	/* Now to handle CPU side */
         set_c0_status(ST0_BEV | ST0_ERL);
         change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
         flush_cache_all();
         write_c0_wired(0);
         __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
+#endif
 }
 
 void tango2_halt(void)
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/README.1028.reboot.patch linuxmips-2.4.30/README.1028.reboot.patch
--- linuxmips-2.4.30.ref/README.1028.reboot.patch	1969-12-31 16:00:00.000000000 -0800
+++ linuxmips-2.4.30/README.1028.reboot.patch	2006-05-18 11:19:33.000000000 -0700
@@ -0,0 +1,19 @@
+Feature:
+--------
+Using XRPC to do XPU reboot.
+
+Prerequisite patch numbers:
+---------------------------
+0000
+1000
+
+Primary author:
+---------------
+YH Lin
+
+Related to which chip version SMP863x x=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------