[lantiq]

* update patches to 3.0
* add basic vr9 support
* backport 3.1 fixes
* backport 3.2 queue (falcon)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28405 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 1179 deletions

diff --git a/target/linux/lantiq/patches-3.0/250-mt-vpe.patch b/target/linux/lantiq/patches-3.0/250-mt-vpe.patch
deleted file mode 100644
index 4a8e8d553..000000000
--- a/target/linux/lantiq/patches-3.0/250-mt-vpe.patch
+++ /dev/null
@@ -1,1179 +0,0 @@
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -1905,6 +1905,28 @@ config MIPS_VPE_LOADER
- 	  Includes a loader for loading an elf relocatable object
- 	  onto another VPE and running it.
- 
-+config IFX_VPE_EXT
-+	bool "IFX APRP Extensions"
-+	depends on MIPS_VPE_LOADER
-+	default y
-+	help
-+	  IFX included extensions in APRP
-+
-+config PERFCTRS
-+	bool "34K Performance counters"
-+	depends on MIPS_MT && PROC_FS
-+	default n
-+	help
-+	  34K Performance counter through /proc
-+
-+config MTSCHED
-+	bool "Support mtsched priority configuration for TCs"
-+	depends on MIPS_MT && PROC_FS
-+	default y
-+	help
-+	  Support for mtsched priority configuration for TCs through
-+	  /proc/mips/mtsched
-+
- config MIPS_MT_SMTC_IM_BACKSTOP
- 	bool "Use per-TC register bits as backstop for inhibited IM bits"
- 	depends on MIPS_MT_SMTC
---- a/arch/mips/include/asm/mipsmtregs.h
-+++ b/arch/mips/include/asm/mipsmtregs.h
-@@ -28,14 +28,34 @@
- #define read_c0_vpeconf0()		__read_32bit_c0_register($1, 2)
- #define write_c0_vpeconf0(val)		__write_32bit_c0_register($1, 2, val)
- 
-+#define read_c0_vpeconf1()              __read_32bit_c0_register($1, 3)
-+#define write_c0_vpeconf1(val)          __write_32bit_c0_register($1, 3, val)
-+
-+#define read_c0_vpeschedule()           __read_32bit_c0_register($1, 5)
-+#define write_c0_vpeschedule(val)       __write_32bit_c0_register($1, 5, val)
-+
-+#define read_c0_vpeschefback()      	__read_32bit_c0_register($1, 6)
-+#define write_c0_vpeschefback(val)  	__write_32bit_c0_register($1, 6, val)
-+
-+#define read_c0_vpeopt()              __read_32bit_c0_register($1, 7)
-+#define write_c0_vpeopt(val)          __write_32bit_c0_register($1, 7, val)
-+
- #define read_c0_tcstatus()		__read_32bit_c0_register($2, 1)
- #define write_c0_tcstatus(val)		__write_32bit_c0_register($2, 1, val)
- 
- #define read_c0_tcbind()		__read_32bit_c0_register($2, 2)
-+#define write_c0_tcbind(val)		__write_32bit_c0_register($2, 2, val)
- 
- #define read_c0_tccontext()		__read_32bit_c0_register($2, 5)
- #define write_c0_tccontext(val)		__write_32bit_c0_register($2, 5, val)
- 
-+#define read_c0_tcschedule()		__read_32bit_c0_register($2, 6)
-+#define write_c0_tcschedule(val)	__write_32bit_c0_register($2, 6, val)
-+
-+#define read_c0_tcschefback()		__read_32bit_c0_register($2, 7)
-+#define write_c0_tcschefback(val)	__write_32bit_c0_register($2, 7, val)
-+
-+
- #else /* Assembly */
- /*
-  * Macros for use in assembly language code
-@@ -74,6 +94,8 @@
- #define MVPCONTROL_STLB_SHIFT	2
- #define MVPCONTROL_STLB		(_ULCAST_(1) << MVPCONTROL_STLB_SHIFT)
- 
-+#define MVPCONTROL_CPA_SHIFT	3
-+#define MVPCONTROL_CPA		(_ULCAST_(1) << MVPCONTROL_CPA_SHIFT)
- 
- /* MVPConf0 fields */
- #define MVPCONF0_PTC_SHIFT	0
-@@ -84,6 +106,8 @@
- #define MVPCONF0_TCA		( _ULCAST_(1) << MVPCONF0_TCA_SHIFT)
- #define MVPCONF0_PTLBE_SHIFT	16
- #define MVPCONF0_PTLBE		(_ULCAST_(0x3ff) << MVPCONF0_PTLBE_SHIFT)
-+#define MVPCONF0_PCP_SHIFT	27
-+#define MVPCONF0_PCP		(_ULCAST_(1) << MVPCONF0_PCP_SHIFT)
- #define MVPCONF0_TLBS_SHIFT	29
- #define MVPCONF0_TLBS		(_ULCAST_(1) << MVPCONF0_TLBS_SHIFT)
- #define MVPCONF0_M_SHIFT	31
-@@ -121,9 +145,25 @@
- #define VPECONF0_VPA		(_ULCAST_(1) << VPECONF0_VPA_SHIFT)
- #define VPECONF0_MVP_SHIFT	1
- #define VPECONF0_MVP		(_ULCAST_(1) << VPECONF0_MVP_SHIFT)
-+#define VPECONF0_ICS_SHIFT      16
-+#define VPECONF0_ICS		(_ULCAST_(1) << VPECONF0_ICS_SHIFT)
-+#define VPECONF0_DCS_SHIFT      17
-+#define VPECONF0_DCS            (_ULCAST_(1) << VPECONF0_DCS_SHIFT)
- #define VPECONF0_XTC_SHIFT	21
- #define VPECONF0_XTC		(_ULCAST_(0xff) << VPECONF0_XTC_SHIFT)
- 
-+/* VPEOpt fields */
-+#define VPEOPT_DWX_SHIFT	0
-+#define VPEOPT_IWX_SHIFT	8
-+#define VPEOPT_IWX0		( _ULCAST_(0x1) << VPEOPT_IWX_SHIFT)
-+#define VPEOPT_IWX1		( _ULCAST_(0x2) << VPEOPT_IWX_SHIFT)
-+#define VPEOPT_IWX2		( _ULCAST_(0x4) << VPEOPT_IWX_SHIFT)
-+#define VPEOPT_IWX3		( _ULCAST_(0x8) << VPEOPT_IWX_SHIFT)
-+#define VPEOPT_DWX0		( _ULCAST_(0x1) << VPEOPT_DWX_SHIFT)
-+#define VPEOPT_DWX1		( _ULCAST_(0x2) << VPEOPT_DWX_SHIFT)
-+#define VPEOPT_DWX2		( _ULCAST_(0x4) << VPEOPT_DWX_SHIFT)
-+#define VPEOPT_DWX3		( _ULCAST_(0x8) << VPEOPT_DWX_SHIFT)
-+
- /* TCStatus fields (per TC) */
- #define TCSTATUS_TASID		(_ULCAST_(0xff))
- #define TCSTATUS_IXMT_SHIFT	10
-@@ -350,6 +390,14 @@ do {									\
- #define write_vpe_c0_vpecontrol(val)	mttc0(1, 1, val)
- #define read_vpe_c0_vpeconf0()		mftc0(1, 2)
- #define write_vpe_c0_vpeconf0(val)	mttc0(1, 2, val)
-+#define read_vpe_c0_vpeschedule()	mftc0(1, 5)
-+#define write_vpe_c0_vpeschedule(val)	mttc0(1, 5, val)
-+#define read_vpe_c0_vpeschefback()	mftc0(1, 6)
-+#define write_vpe_c0_vpeschefback(val)	mttc0(1, 6, val)
-+#define read_vpe_c0_vpeopt()            mftc0(1, 7)
-+#define write_vpe_c0_vpeopt(val)        mttc0(1, 7, val)
-+#define read_vpe_c0_wired()		mftc0(6, 0)
-+#define write_vpe_c0_wired(val)		mttc0(6, 0, val)
- #define read_vpe_c0_count()		mftc0(9, 0)
- #define write_vpe_c0_count(val)		mttc0(9, 0, val)
- #define read_vpe_c0_status()		mftc0(12, 0)
-@@ -381,6 +429,12 @@ do {									\
- #define write_tc_c0_tchalt(val)		mttc0(2, 4, val)
- #define read_tc_c0_tccontext()		mftc0(2, 5)
- #define write_tc_c0_tccontext(val)	mttc0(2, 5, val)
-+#define read_tc_c0_tcschedule()		mftc0(2, 6)
-+#define write_tc_c0_tcschedule(val)	mttc0(2, 6, val)
-+#define read_tc_c0_tcschefback()	mftc0(2, 7)
-+#define write_tc_c0_tcschefback(val)	mttc0(2, 7, val)
-+#define read_tc_c0_entryhi()            mftc0(10, 0)
-+#define write_tc_c0_entryhi(val)        mttc0(10, 0, val)
- 
- /* GPR */
- #define read_tc_gpr_sp()		mftgpr(29)
---- a/arch/mips/kernel/Makefile
-+++ b/arch/mips/kernel/Makefile
-@@ -86,7 +86,8 @@ obj-$(CONFIG_MIPS32_O32)	+= binfmt_elfo3
- 
- obj-$(CONFIG_KGDB)		+= kgdb.o
- obj-$(CONFIG_PROC_FS)		+= proc.o
--
-+obj-$(CONFIG_MTSCHED)		+= mtsched_proc.o
-+obj-$(CONFIG_PERFCTRS)		+= perf_proc.o
- obj-$(CONFIG_64BIT)		+= cpu-bugs64.o
- 
- obj-$(CONFIG_I8253)		+= i8253.o
---- a/arch/mips/kernel/mips-mt.c
-+++ b/arch/mips/kernel/mips-mt.c
-@@ -21,26 +21,96 @@
- #include <asm/cacheflush.h>
- 
- int vpelimit;
--
- static int __init maxvpes(char *str)
- {
- 	get_option(&str, &vpelimit);
--
- 	return 1;
- }
--
- __setup("maxvpes=", maxvpes);
- 
- int tclimit;
--
- static int __init maxtcs(char *str)
- {
- 	get_option(&str, &tclimit);
-+	return 1;
-+}
-+__setup("maxtcs=", maxtcs);
- 
-+#ifdef CONFIG_IFX_VPE_EXT
-+int stlb;
-+static int __init istlbshared(char *str)
-+{
-+	get_option(&str, &stlb);
- 	return 1;
- }
-+__setup("vpe_tlb_shared=", istlbshared);
- 
--__setup("maxtcs=", maxtcs);
-+int vpe0_wired;
-+static int __init vpe0wired(char *str)
-+{
-+	get_option(&str, &vpe0_wired);
-+	return 1;
-+}
-+__setup("vpe0_wired_tlb_entries=", vpe0wired);
-+
-+int vpe1_wired;
-+static int __init vpe1wired(char *str)
-+{
-+	get_option(&str, &vpe1_wired);
-+	return 1;
-+}
-+__setup("vpe1_wired_tlb_entries=", vpe1wired);
-+
-+#ifdef CONFIG_MIPS_MT_SMTC
-+extern int nostlb;
-+#endif
-+void configure_tlb(void)
-+{
-+	int vpeflags, tcflags, tlbsiz;
-+	unsigned int config1val;
-+	vpeflags = dvpe();
-+	tcflags = dmt();
-+	write_c0_vpeconf0((read_c0_vpeconf0() | VPECONF0_MVP));
-+	write_c0_mvpcontrol((read_c0_mvpcontrol() | MVPCONTROL_VPC));
-+	mips_ihb();
-+	//printk("stlb = %d, vpe0_wired = %d vpe1_wired=%d\n", stlb,vpe0_wired, vpe1_wired);
-+	if (stlb) {
-+		if (!(read_c0_mvpconf0() & MVPCONF0_TLBS)) {
-+			emt(tcflags);
-+			evpe(vpeflags);
-+			return;
-+		}
-+
-+		write_c0_mvpcontrol(read_c0_mvpcontrol() | MVPCONTROL_STLB);
-+		write_c0_wired(vpe0_wired + vpe1_wired);
-+		if (((read_vpe_c0_config() & MIPS_CONF_MT) >> 7) == 1) {
-+			config1val = read_vpe_c0_config1();
-+			tlbsiz = (((config1val >> 25) & 0x3f) + 1);
-+			if (tlbsiz > 64)
-+				tlbsiz = 64;
-+			cpu_data[0].tlbsize = tlbsiz;
-+			current_cpu_data.tlbsize = tlbsiz;
-+		}
-+
-+	}
-+	else {
-+		write_c0_mvpcontrol(read_c0_mvpcontrol() & ~MVPCONTROL_STLB);
-+		write_c0_wired(vpe0_wired);
-+	}
-+
-+	ehb();
-+	write_c0_mvpcontrol((read_c0_mvpcontrol() & ~MVPCONTROL_VPC));
-+	ehb();
-+	local_flush_tlb_all();
-+
-+	printk("Wired TLB entries for Linux read_c0_wired() = %d\n", read_c0_wired());
-+#ifdef CONFIG_MIPS_MT_SMTC
-+	nostlb = !stlb;
-+#endif
-+	emt(tcflags);
-+	evpe(vpeflags);
-+}
-+#endif
- 
- /*
-  * Dump new MIPS MT state for the core. Does not leave TCs halted.
-@@ -78,18 +148,18 @@ void mips_mt_regdump(unsigned long mvpct
- 			if ((read_tc_c0_tcbind() & TCBIND_CURVPE) == i) {
- 				printk("  VPE %d\n", i);
- 				printk("   VPEControl : %08lx\n",
--				       read_vpe_c0_vpecontrol());
-+					read_vpe_c0_vpecontrol());
- 				printk("   VPEConf0 : %08lx\n",
--				       read_vpe_c0_vpeconf0());
-+					read_vpe_c0_vpeconf0());
- 				printk("   VPE%d.Status : %08lx\n",
--				       i, read_vpe_c0_status());
-+					i, read_vpe_c0_status());
- 				printk("   VPE%d.EPC : %08lx %pS\n",
--				       i, read_vpe_c0_epc(),
--				       (void *) read_vpe_c0_epc());
-+					i, read_vpe_c0_epc(),
-+					(void *) read_vpe_c0_epc());
- 				printk("   VPE%d.Cause : %08lx\n",
--				       i, read_vpe_c0_cause());
-+					i, read_vpe_c0_cause());
- 				printk("   VPE%d.Config7 : %08lx\n",
--				       i, read_vpe_c0_config7());
-+					i, read_vpe_c0_config7());
- 				break; /* Next VPE */
- 			}
- 		}
-@@ -287,6 +357,9 @@ void mips_mt_set_cpuoptions(void)
- 		printk("Mapped %ld ITC cells starting at 0x%08x\n",
- 			((itcblkgrn & 0x7fe00000) >> 20), itc_base);
- 	}
-+#ifdef CONFIG_IFX_VPE_EXT
-+	configure_tlb();
-+#endif
- }
- 
- /*
---- a/arch/mips/kernel/proc.c
-+++ b/arch/mips/kernel/proc.c
-@@ -7,6 +7,7 @@
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <linux/seq_file.h>
-+#include <linux/proc_fs.h>
- #include <asm/bootinfo.h>
- #include <asm/cpu.h>
- #include <asm/cpu-features.h>
-@@ -110,3 +111,19 @@ const struct seq_operations cpuinfo_op =
- 	.stop	= c_stop,
- 	.show	= show_cpuinfo,
- };
-+
-+/*
-+ * Support for MIPS/local /proc hooks in /proc/mips/
-+ */
-+
-+static struct proc_dir_entry *mips_proc = NULL;
-+
-+struct proc_dir_entry *get_mips_proc_dir(void)
-+{
-+       /*
-+        * This ought not to be preemptable.
-+        */
-+       if(mips_proc == NULL)
-+               mips_proc = proc_mkdir("mips", NULL);
-+       return(mips_proc);
-+}
---- a/arch/mips/kernel/smtc.c
-+++ b/arch/mips/kernel/smtc.c
-@@ -1334,6 +1334,13 @@ void smtc_get_new_mmu_context(struct mm_
- 	asid = asid_cache(cpu);
- 
- 	do {
-+#ifdef CONFIG_IFX_VPE_EXT
-+		/* If TLB is shared between AP and RP (AP is running SMTC),
-+		   leave out max ASID i.e., ASID_MASK for RP
-+		 */
-+		if (!nostlb && ((asid & ASID_MASK) == (ASID_MASK - 1)))
-+			asid++;
-+#endif
- 		if (!((asid += ASID_INC) & ASID_MASK) ) {
- 			if (cpu_has_vtag_icache)
- 				flush_icache_all();
---- a/arch/mips/kernel/vpe.c
-+++ b/arch/mips/kernel/vpe.c
-@@ -76,6 +76,58 @@ static struct kspd_notifications kspd_ev
- static int kspd_events_reqd;
- #endif
- 
-+#ifdef CONFIG_IFX_VPE_EXT
-+static int is_sdepgm;
-+extern int stlb;
-+extern int vpe0_wired;
-+extern int vpe1_wired;
-+unsigned int vpe1_load_addr;
-+
-+static int __init load_address(char *str)
-+{
-+	get_option(&str, &vpe1_load_addr);
-+	return 1;
-+}
-+__setup("vpe1_load_addr=", load_address);
-+
-+#include <asm/mipsmtregs.h>
-+#define write_vpe_c0_wired(val)		mttc0(6, 0, val)
-+
-+#ifndef COMMAND_LINE_SIZE
-+#	define COMMAND_LINE_SIZE	512
-+#endif
-+
-+char command_line[COMMAND_LINE_SIZE * 2];
-+
-+static unsigned int vpe1_mem;
-+static int __init vpe1mem(char *str)
-+{
-+	vpe1_mem = memparse(str, &str);
-+	return 1;
-+}
-+__setup("vpe1_mem=", vpe1mem);
-+
-+uint32_t vpe1_wdog_ctr;
-+static int __init wdog_ctr(char *str)
-+{
-+	get_option(&str, &vpe1_wdog_ctr);
-+	return 1;
-+}
-+
-+__setup("vpe1_wdog_ctr_addr=", wdog_ctr);
-+EXPORT_SYMBOL(vpe1_wdog_ctr);
-+
-+uint32_t vpe1_wdog_timeout;
-+static int __init wdog_timeout(char *str)
-+{
-+        get_option(&str, &vpe1_wdog_timeout);
-+        return 1;
-+}
-+
-+__setup("vpe1_wdog_timeout=", wdog_timeout);
-+EXPORT_SYMBOL(vpe1_wdog_timeout);
-+
-+#endif
- /* grab the likely amount of memory we will need. */
- #ifdef CONFIG_MIPS_VPE_LOADER_TOM
- #define P_SIZE (2 * 1024 * 1024)
-@@ -268,6 +320,13 @@ static void *alloc_progmem(unsigned long
- 	void *addr;
- 
- #ifdef CONFIG_MIPS_VPE_LOADER_TOM
-+#ifdef CONFIG_IFX_VPE_EXT
-+	if (vpe1_load_addr) {
-+		memset((void *)vpe1_load_addr, 0, len);
-+		return (void *)vpe1_load_addr;
-+	}
-+#endif
-+
- 	/*
- 	 * This means you must tell Linux to use less memory than you
- 	 * physically have, for example by passing a mem= boot argument.
-@@ -746,6 +805,12 @@ static int vpe_run(struct vpe * v)
- 	}
- 
- 	/* Write the address we want it to start running from in the TCPC register. */
-+#if defined(CONFIG_IFX_VPE_EXT) && 0
-+	if (stlb)
-+		write_vpe_c0_wired(vpe0_wired + vpe1_wired);
-+	else
-+		write_vpe_c0_wired(vpe1_wired);
-+#endif
- 	write_tc_c0_tcrestart((unsigned long)v->__start);
- 	write_tc_c0_tccontext((unsigned long)0);
- 
-@@ -759,6 +824,20 @@ static int vpe_run(struct vpe * v)
- 
- 	write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H);
- 
-+#if defined(CONFIG_IFX_VPE_EXT) && 0
-+	/*
-+	 * $a2 & $a3 are used to pass command line parameters to VPE1. $a2
-+	 * points to the start of the command line string and $a3 points to
-+	 * the end of the string. This convention is identical to the Linux
-+	 * kernel boot parameter passing mechanism. Please note that $a3 is
-+	 * used to pass physical memory size or 0 in SDE tool kit. So, if you
-+	 * are passing comand line parameters through $a2 & $a3 SDE programs
-+	 * don't work as desired.
-+	 */
-+	mttgpr(6, command_line);
-+	mttgpr(7, (command_line + strlen(command_line)));
-+	if (is_sdepgm)
-+#endif
- 	/*
- 	 * The sde-kit passes 'memsize' to __start in $a3, so set something
- 	 * here...  Or set $a3 to zero and define DFLT_STACK_SIZE and
-@@ -833,6 +912,9 @@ static int find_vpe_symbols(struct vpe *
- 	if ( (v->__start == 0) || (v->shared_ptr == NULL))
- 		return -1;
- 
-+#ifdef CONFIG_IFX_VPE_EXT
-+	is_sdepgm = 1;
-+#endif
- 	return 0;
- }
- 
-@@ -994,6 +1076,15 @@ static int vpe_elfload(struct vpe * v)
- 			   (unsigned long)v->load_addr + v->len);
- 
- 	if ((find_vpe_symbols(v, sechdrs, symindex, strtab, &mod)) < 0) {
-+#ifdef CONFIG_IFX_VPE_EXT
-+		if (vpe1_load_addr) {
-+			/* Conversion to KSEG1 is required ??? */
-+			v->__start = KSEG1ADDR(vpe1_load_addr);
-+			is_sdepgm = 0;
-+			return 0;
-+		}
-+#endif
-+
- 		if (v->__start == 0) {
- 			printk(KERN_WARNING "VPE loader: program does not contain "
- 			       "a __start symbol\n");
-@@ -1064,6 +1155,9 @@ static int vpe_open(struct inode *inode,
- 	struct vpe_notifications *not;
- 	struct vpe *v;
- 	int ret;
-+#ifdef CONFIG_IFX_VPE_EXT
-+   int progsize;
-+#endif
- 
- 	if (minor != iminor(inode)) {
- 		/* assume only 1 device at the moment. */
-@@ -1089,7 +1183,12 @@ static int vpe_open(struct inode *inode,
- 		release_progmem(v->load_addr);
- 		cleanup_tc(get_tc(tclimit));
- 	}
--
-+#ifdef CONFIG_IFX_VPE_EXT
-+	progsize = (vpe1_mem  != 0) ? vpe1_mem : P_SIZE;
-+	//printk("progsize = %x\n", progsize);
-+	v->pbuffer = vmalloc(progsize);
-+	v->plen = progsize;
-+#else
- 	/* this of-course trashes what was there before... */
- 	v->pbuffer = vmalloc(P_SIZE);
- 	if (!v->pbuffer) {
-@@ -1097,11 +1196,14 @@ static int vpe_open(struct inode *inode,
- 		return -ENOMEM;
- 	}
- 	v->plen = P_SIZE;
-+#endif
- 	v->load_addr = NULL;
- 	v->len = 0;
- 
-+#if 0
- 	v->uid = filp->f_cred->fsuid;
- 	v->gid = filp->f_cred->fsgid;
-+#endif
- 
- #ifdef CONFIG_MIPS_APSP_KSPD
- 	/* get kspd to tell us when a syscall_exit happens */
-@@ -1349,6 +1451,133 @@ static void kspd_sp_exit( int sp_id)
- 	cleanup_tc(get_tc(sp_id));
- }
- #endif
-+#ifdef CONFIG_IFX_VPE_EXT
-+int32_t vpe1_sw_start(void* sw_start_addr, uint32_t tcmask, uint32_t flags)
-+{
-+	enum vpe_state state;
-+	struct vpe *v = get_vpe(tclimit);
-+	struct vpe_notifications *not;
-+
-+	if (tcmask || flags) {
-+		printk(KERN_WARNING "Currently tcmask and flags should be 0.\
-+				other values not supported\n");
-+		return -1;
-+	}
-+
-+	state = xchg(&v->state, VPE_STATE_INUSE);
-+	if (state != VPE_STATE_UNUSED) {
-+		vpe_stop(v);
-+
-+		list_for_each_entry(not, &v->notify, list) {
-+			not->stop(tclimit);
-+		}
-+	}
-+
-+	v->__start = (unsigned long)sw_start_addr;
-+	is_sdepgm = 0;
-+
-+	if (!vpe_run(v)) {
-+		printk(KERN_DEBUG "VPE loader: VPE1 running successfully\n");
-+		return 0;
-+	}
-+	return -1;
-+}
-+
-+EXPORT_SYMBOL(vpe1_sw_start);
-+
-+int32_t vpe1_sw_stop(uint32_t flags)
-+{
-+	struct vpe *v = get_vpe(tclimit);
-+
-+	if (!vpe_free(v)) {
-+		printk(KERN_DEBUG "RP Stopped\n");
-+		return 0;
-+	}
-+	else
-+		return -1;
-+}
-+
-+EXPORT_SYMBOL(vpe1_sw_stop);
-+
-+uint32_t vpe1_get_load_addr (uint32_t flags)
-+{
-+	return vpe1_load_addr;
-+}
-+
-+EXPORT_SYMBOL(vpe1_get_load_addr);
-+
-+uint32_t vpe1_get_max_mem (uint32_t flags)
-+{
-+	if (!vpe1_mem)
-+		return P_SIZE;
-+	else
-+		return vpe1_mem;
-+}
-+
-+EXPORT_SYMBOL(vpe1_get_max_mem);
-+
-+void* vpe1_get_cmdline_argument(void)
-+{
-+	return saved_command_line;
-+}
-+
-+EXPORT_SYMBOL(vpe1_get_cmdline_argument);
-+
-+int32_t vpe1_set_boot_param(char *field, char *value, char flags)
-+{
-+	char *ptr, string[64];
-+	int start_off, end_off;
-+	if (!field)
-+		return -1;
-+	strcpy(string, field);
-+	if (value) {
-+		strcat(string, "=");
-+		strcat(string, value);
-+		strcat(command_line, " ");
-+		strcat(command_line, string);
-+	}
-+	else {
-+		ptr = strstr(command_line, string);
-+		if (ptr) {
-+			start_off = ptr - command_line;
-+			ptr += strlen(string);
-+			while ((*ptr != ' ') && (*ptr != '\0'))
-+				ptr++;
-+			end_off = ptr - command_line;
-+			command_line[start_off] = '\0';
-+			strcat (command_line, command_line+end_off);
-+		}
-+	}
-+	return 0;
-+}
-+
-+EXPORT_SYMBOL(vpe1_set_boot_param);
-+
-+int32_t vpe1_get_boot_param(char *field, char **value, char flags)
-+{
-+	char *ptr, string[64];
-+	int i = 0;
-+	if (!field)
-+		return -1;
-+	if ((ptr = strstr(command_line, field))) {
-+		ptr += strlen(field) + 1; /* including = */
-+		while ((*ptr != ' ') && (*ptr != '\0'))
-+			string[i++] = *ptr++;
-+		string[i] = '\0';
-+		*value = kmalloc((strlen(string) + 1), GFP_KERNEL);
-+		if (*value != NULL)
-+			strcpy(*value, string);
-+	}
-+	else
-+		*value = NULL;
-+
-+	return 0;
-+}
-+
-+EXPORT_SYMBOL(vpe1_get_boot_param);
-+
-+extern void configure_tlb(void);
-+#endif
- 
- static ssize_t store_kill(struct device *dev, struct device_attribute *attr,
- 			  const char *buf, size_t len)
-@@ -1430,6 +1659,18 @@ static int __init vpe_module_init(void)
- 		printk("VPE loader: not a MIPS MT capable processor\n");
- 		return -ENODEV;
- 	}
-+#ifdef CONFIG_IFX_VPE_EXT
-+#ifndef CONFIG_MIPS_MT_SMTC
-+	configure_tlb();
-+#endif
-+#endif
-+
-+#ifndef CONFIG_MIPS_MT_SMTC
-+	if (!vpelimit)
-+		vpelimit = 1;
-+	if (!tclimit)
-+		tclimit = 1;
-+#endif
- 
- 	if (vpelimit == 0) {
- 		printk(KERN_WARNING "No VPEs reserved for AP/SP, not "
-@@ -1474,10 +1715,12 @@ static int __init vpe_module_init(void)
- 	mtflags = dmt();
- 	vpflags = dvpe();
- 
-+	back_to_back_c0_hazard();
-+
- 	/* Put MVPE's into 'configuration state' */
- 	set_c0_mvpcontrol(MVPCONTROL_VPC);
- 
--	/* dump_mtregs(); */
-+	dump_mtregs();
- 
- 	val = read_c0_mvpconf0();
- 	hw_tcs = (val & MVPCONF0_PTC) + 1;
-@@ -1489,6 +1732,7 @@ static int __init vpe_module_init(void)
- 		 * reschedule send IPIs or similar we might hang.
- 		 */
- 		clear_c0_mvpcontrol(MVPCONTROL_VPC);
-+		back_to_back_c0_hazard();
- 		evpe(vpflags);
- 		emt(mtflags);
- 		local_irq_restore(flags);
-@@ -1514,6 +1758,7 @@ static int __init vpe_module_init(void)
- 			}
- 
- 			v->ntcs = hw_tcs - tclimit;
-+                        write_tc_c0_tcbind((read_tc_c0_tcbind() & ~TCBIND_CURVPE) | 1);
- 
- 			/* add the tc to the list of this vpe's tc's. */
- 			list_add(&t->tc, &v->tc);
-@@ -1582,6 +1827,7 @@ static int __init vpe_module_init(void)
- out_reenable:
- 	/* release config state */
- 	clear_c0_mvpcontrol(MVPCONTROL_VPC);
-+	back_to_back_c0_hazard();
- 
- 	evpe(vpflags);
- 	emt(mtflags);
---- /dev/null
-+++ b/arch/mips/kernel/mtsched_proc.c
-@@ -0,0 +1,279 @@
-+/*
-+ * /proc hooks for MIPS MT scheduling policy management for 34K cores
-+ *
-+ *  This program is free software; you can distribute it and/or modify it
-+ *  under the terms of the GNU General Public License (Version 2) as
-+ *  published by the Free Software Foundation.
-+ *
-+ *  This program is distributed in the hope 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.
-+ *
-+ * Copyright (C) 2006 Mips Technologies, Inc
-+ */
-+
-+#include <linux/kernel.h>
-+
-+#include <asm/cpu.h>
-+#include <asm/processor.h>
-+#include <asm/system.h>
-+#include <asm/mipsregs.h>
-+#include <asm/mipsmtregs.h>
-+#include <asm/uaccess.h>
-+#include <linux/proc_fs.h>
-+
-+static struct proc_dir_entry *mtsched_proc;
-+
-+#ifndef CONFIG_MIPS_MT_SMTC
-+#define NTCS 2
-+#else
-+#define NTCS NR_CPUS
-+#endif
-+#define NVPES 2
-+
-+int lastvpe = 1;
-+int lasttc = 8;
-+
-+static int proc_read_mtsched(char *page, char **start, off_t off,
-+			int count, int *eof, void *data)
-+{
-+	int totalen = 0;
-+	int len;
-+
-+	int i;
-+	int vpe;
-+	int mytc;
-+	unsigned long flags;
-+	unsigned int mtflags;
-+	unsigned int haltstate;
-+	unsigned int vpes_checked[NVPES];
-+	unsigned int vpeschedule[NVPES];
-+	unsigned int vpeschefback[NVPES];
-+	unsigned int tcschedule[NTCS];
-+	unsigned int tcschefback[NTCS];
-+
-+	/* Dump the state of the MIPS MT scheduling policy manager */
-+	/* Inititalize control state */
-+	for(i = 0; i < NVPES; i++) {
-+		vpes_checked[i] = 0;
-+		vpeschedule[i] = 0;
-+		vpeschefback[i] = 0;
-+	}
-+	for(i = 0; i < NTCS; i++) {
-+		tcschedule[i] = 0;
-+		tcschefback[i] = 0;
-+	}
-+
-+	/* Disable interrupts and multithreaded issue */
-+	local_irq_save(flags);
-+	mtflags = dvpe();
-+
-+	/* Then go through the TCs, halt 'em, and extract the values */
-+	mytc = (read_c0_tcbind() & TCBIND_CURTC) >> TCBIND_CURTC_SHIFT;
-+	for(i = 0; i < NTCS; i++) {
-+		if(i == mytc) {
-+			/* No need to halt ourselves! */
-+			tcschedule[i] = read_c0_tcschedule();
-+			tcschefback[i] = read_c0_tcschefback();
-+			/* If VPE bound to TC hasn't been checked, do it */
-+			vpe = read_c0_tcbind() & TCBIND_CURVPE;
-+			if(!vpes_checked[vpe]) {
-+				vpeschedule[vpe] = read_c0_vpeschedule();
-+				vpeschefback[vpe] = read_c0_vpeschefback();
-+				vpes_checked[vpe] = 1;
-+			}
-+		} else {
-+			settc(i);
-+			haltstate = read_tc_c0_tchalt();
-+			write_tc_c0_tchalt(TCHALT_H);
-+			mips_ihb();
-+			tcschedule[i] = read_tc_c0_tcschedule();
-+			tcschefback[i] = read_tc_c0_tcschefback();
-+			/* If VPE bound to TC hasn't been checked, do it */
-+			vpe = read_tc_c0_tcbind() & TCBIND_CURVPE;
-+			if(!vpes_checked[vpe]) {
-+			    vpeschedule[vpe] = read_vpe_c0_vpeschedule();
-+			    vpeschefback[vpe] = read_vpe_c0_vpeschefback();
-+			    vpes_checked[vpe] = 1;
-+			}
-+			if(!haltstate) write_tc_c0_tchalt(0);
-+		}
-+	}
-+	/* Re-enable MT and interrupts */
-+	evpe(mtflags);
-+	local_irq_restore(flags);
-+
-+	for(vpe=0; vpe < NVPES; vpe++) {
-+		len = sprintf(page, "VPE[%d].VPEschedule  = 0x%08x\n",
-+			vpe, vpeschedule[vpe]);
-+		totalen += len;
-+		page += len;
-+		len = sprintf(page, "VPE[%d].VPEschefback = 0x%08x\n",
-+			vpe, vpeschefback[vpe]);
-+		totalen += len;
-+		page += len;
-+	}
-+	for(i=0; i < NTCS; i++) {
-+		len = sprintf(page, "TC[%d].TCschedule    = 0x%08x\n",
-+			i, tcschedule[i]);
-+		totalen += len;
-+		page += len;
-+		len = sprintf(page, "TC[%d].TCschefback   = 0x%08x\n",
-+			i, tcschefback[i]);
-+		totalen += len;
-+		page += len;
-+	}
-+	return totalen;
-+}
-+
-+/*
-+ * Write to perf counter registers based on text input
-+ */
-+
-+#define TXTBUFSZ 100
-+
-+static int proc_write_mtsched(struct file *file, const char *buffer,
-+				unsigned long count, void *data)
-+{
-+	int len = 0;
-+	char mybuf[TXTBUFSZ];
-+	/* At most, we will set up 9 TCs and 2 VPEs, 11 entries in all */
-+	char entity[1];   //, entity1[1];
-+	int number[1];
-+	unsigned long value[1];
-+	int nparsed = 0 , index = 0;
-+	unsigned long flags;
-+	unsigned int mtflags;
-+	unsigned int haltstate;
-+	unsigned int tcbindval;
-+
-+	if(count >= TXTBUFSZ) len = TXTBUFSZ-1;
-+	else len = count;
-+	memset(mybuf,0,TXTBUFSZ);
-+	if(copy_from_user(mybuf, buffer, len)) return -EFAULT;
-+
-+	nparsed = sscanf(mybuf, "%c%d %lx",
-+		 &entity[0] ,&number[0], &value[0]);
-+
-+	/*
-+	 * Having acquired the inputs, which might have
-+	 * generated exceptions and preemptions,
-+	 * program the registers.
-+	 */
-+	/* Disable interrupts and multithreaded issue */
-+	local_irq_save(flags);
-+	mtflags = dvpe();
-+
-+	if(entity[index] == 't' ) {
-+		/* Set TCSchedule or TCScheFBack of specified TC */
-+		if(number[index] > NTCS) goto skip;
-+		/* If it's our own TC, do it direct */
-+		if(number[index] ==
-+				((read_c0_tcbind() & TCBIND_CURTC)
-+				>> TCBIND_CURTC_SHIFT)) {
-+			if(entity[index] == 't')
-+				 write_c0_tcschedule(value[index]);
-+			else
-+				write_c0_tcschefback(value[index]);
-+		} else {
-+		/* Otherwise, we do it via MTTR */
-+			settc(number[index]);
-+			haltstate = read_tc_c0_tchalt();
-+			write_tc_c0_tchalt(TCHALT_H);
-+			mips_ihb();
-+			if(entity[index] == 't')
-+				 write_tc_c0_tcschedule(value[index]);
-+			else
-+				write_tc_c0_tcschefback(value[index]);
-+			mips_ihb();
-+			if(!haltstate) write_tc_c0_tchalt(0);
-+		}
-+	} else if(entity[index] == 'v') {
-+		/* Set VPESchedule of specified VPE */
-+		if(number[index] > NVPES) goto skip;
-+		tcbindval = read_c0_tcbind();
-+		/* Are we doing this to our current VPE? */
-+		if((tcbindval & TCBIND_CURVPE) == number[index]) {
-+			/* Then life is simple */
-+			write_c0_vpeschedule(value[index]);
-+		} else {
-+			/*
-+			 * Bind ourselves to the other VPE long enough
-+			 * to program the bind value.
-+			 */
-+			write_c0_tcbind((tcbindval & ~TCBIND_CURVPE)
-+					   | number[index]);
-+			mips_ihb();
-+			write_c0_vpeschedule(value[index]);
-+			mips_ihb();
-+			/* Restore previous binding */
-+			write_c0_tcbind(tcbindval);
-+			mips_ihb();
-+		}
-+	}
-+
-+	else if(entity[index] == 'r') {
-+		unsigned int vpes_checked[2], vpe ,i , mytc;
-+		vpes_checked[0] = vpes_checked[1] = 0;
-+
-+		/* Then go through the TCs, halt 'em, and extract the values */
-+		mytc = (read_c0_tcbind() & TCBIND_CURTC) >> TCBIND_CURTC_SHIFT;
-+
-+		for(i = 0; i < NTCS; i++) {
-+			if(i == mytc) {
-+				/* No need to halt ourselves! */
-+				write_c0_vpeschefback(0);
-+				write_c0_tcschefback(0);
-+			} else {
-+				settc(i);
-+				haltstate = read_tc_c0_tchalt();
-+				write_tc_c0_tchalt(TCHALT_H);
-+				mips_ihb();
-+				write_tc_c0_tcschefback(0);
-+				/* If VPE bound to TC hasn't been checked, do it */
-+				vpe = read_tc_c0_tcbind() & TCBIND_CURVPE;
-+				if(!vpes_checked[vpe]) {
-+				    write_vpe_c0_vpeschefback(0);
-+				    vpes_checked[vpe] = 1;
-+				}
-+				if(!haltstate) write_tc_c0_tchalt(0);
-+			}
-+		}
-+	}
-+	else {
-+		printk ("\n Usage : <t/v><0/1> <Hex Value>\n Example : t0 0x01\n");
-+	}
-+
-+skip:
-+	/* Re-enable MT and interrupts */
-+	evpe(mtflags);
-+	local_irq_restore(flags);
-+	return (len);
-+}
-+
-+static int __init init_mtsched_proc(void)
-+{
-+	extern struct proc_dir_entry *get_mips_proc_dir(void);
-+	struct proc_dir_entry *mips_proc_dir;
-+
-+	if (!cpu_has_mipsmt) {
-+		printk("mtsched: not a MIPS MT capable processor\n");
-+		return -ENODEV;
-+	}
-+
-+	mips_proc_dir = get_mips_proc_dir();
-+
-+	mtsched_proc = create_proc_entry("mtsched", 0644, mips_proc_dir);
-+	mtsched_proc->read_proc = proc_read_mtsched;
-+	mtsched_proc->write_proc = proc_write_mtsched;
-+
-+	return 0;
-+}
-+
-+/* Automagically create the entry */
-+module_init(init_mtsched_proc);
---- /dev/null
-+++ b/arch/mips/kernel/perf_proc.c
-@@ -0,0 +1,191 @@
-+/*
-+ * /proc hooks for CPU performance counter support for SMTC kernel
-+ * (and ultimately others)
-+ * Copyright (C) 2006 Mips Technologies, Inc
-+ */
-+
-+#include <linux/kernel.h>
-+
-+#include <asm/cpu.h>
-+#include <asm/processor.h>
-+#include <asm/system.h>
-+#include <asm/mipsregs.h>
-+#include <asm/uaccess.h>
-+#include <linux/proc_fs.h>
-+
-+/*
-+ * /proc diagnostic and statistics hooks
-+ */
-+
-+
-+/* Internal software-extended event counters */
-+
-+static unsigned long long extencount[4] = {0,0,0,0};
-+
-+static struct proc_dir_entry *perf_proc;
-+
-+static int proc_read_perf(char *page, char **start, off_t off,
-+				int count, int *eof, void *data)
-+{
-+	int totalen = 0;
-+	int len;
-+
-+	len = sprintf(page, "PerfCnt[0].Ctl : 0x%08x\n", read_c0_perfctrl0());
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[0].Cnt : %Lu\n",
-+		extencount[0] + (unsigned long long)((unsigned)read_c0_perfcntr0()));
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[1].Ctl : 0x%08x\n", read_c0_perfctrl1());
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[1].Cnt : %Lu\n",
-+		extencount[1] + (unsigned long long)((unsigned)read_c0_perfcntr1()));
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[2].Ctl : 0x%08x\n", read_c0_perfctrl2());
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[2].Cnt : %Lu\n",
-+		extencount[2] + (unsigned long long)((unsigned)read_c0_perfcntr2()));
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[3].Ctl : 0x%08x\n", read_c0_perfctrl3());
-+	totalen += len;
-+	page += len;
-+	len = sprintf(page, "PerfCnt[3].Cnt : %Lu\n",
-+		extencount[3] + (unsigned long long)((unsigned)read_c0_perfcntr3()));
-+	totalen += len;
-+	page += len;
-+
-+	return totalen;
-+}
-+
-+/*
-+ * Write to perf counter registers based on text input
-+ */
-+
-+#define TXTBUFSZ 100
-+
-+static int proc_write_perf(struct file *file, const char *buffer,
-+				unsigned long count, void *data)
-+{
-+	int len;
-+	int nparsed;
-+	int index;
-+	char mybuf[TXTBUFSZ];
-+
-+	int which[4];
-+	unsigned long control[4];
-+	long long ctrdata[4];
-+
-+	if(count >= TXTBUFSZ) len = TXTBUFSZ-1;
-+	else len = count;
-+	memset(mybuf,0,TXTBUFSZ);
-+	if(copy_from_user(mybuf, buffer, len)) return -EFAULT;
-+
-+	nparsed = sscanf(mybuf,
-+			"%d %lx %Ld %d %lx %Ld %d %lx %Ld %d %lx %Ld",
-+				&which[0], &control[0], &ctrdata[0],
-+				&which[1], &control[1], &ctrdata[1],
-+				&which[2], &control[2], &ctrdata[2],
-+				&which[3], &control[3], &ctrdata[3]);
-+
-+	for(index = 0; nparsed >= 3; index++) {
-+		switch (which[index]) {
-+		case 0:
-+			write_c0_perfctrl0(control[index]);
-+			if(ctrdata[index] != -1) {
-+			    extencount[0] = (unsigned long long)ctrdata[index];
-+			    write_c0_perfcntr0((unsigned long)0);
-+			}
-+			break;
-+		case 1:
-+			write_c0_perfctrl1(control[index]);
-+			if(ctrdata[index] != -1) {
-+			    extencount[1] = (unsigned long long)ctrdata[index];
-+			    write_c0_perfcntr1((unsigned long)0);
-+			}
-+			break;
-+		case 2:
-+			write_c0_perfctrl2(control[index]);
-+			if(ctrdata[index] != -1) {
-+			    extencount[2] = (unsigned long long)ctrdata[index];
-+			    write_c0_perfcntr2((unsigned long)0);
-+			}
-+			break;
-+		case 3:
-+			write_c0_perfctrl3(control[index]);
-+			if(ctrdata[index] != -1) {
-+			    extencount[3] = (unsigned long long)ctrdata[index];
-+			    write_c0_perfcntr3((unsigned long)0);
-+			}
-+			break;
-+		}
-+		nparsed -= 3;
-+	}
-+	return (len);
-+}
-+
-+extern int (*perf_irq)(void);
-+
-+/*
-+ * Invoked when timer interrupt vector picks up a perf counter overflow
-+ */
-+
-+static int perf_proc_irq(void)
-+{
-+	unsigned long snapshot;
-+
-+	/*
-+	 * It would be nice to do this as a loop, but we don't have
-+	 * indirect access to CP0 registers.
-+	 */
-+	snapshot = read_c0_perfcntr0();
-+	if ((long)snapshot < 0) {
-+		extencount[0] +=
-+			(unsigned long long)((unsigned)read_c0_perfcntr0());
-+		write_c0_perfcntr0(0);
-+	}
-+	snapshot = read_c0_perfcntr1();
-+	if ((long)snapshot < 0) {
-+		extencount[1] +=
-+			(unsigned long long)((unsigned)read_c0_perfcntr1());
-+		write_c0_perfcntr1(0);
-+	}
-+	snapshot = read_c0_perfcntr2();
-+	if ((long)snapshot < 0) {
-+		extencount[2] +=
-+			(unsigned long long)((unsigned)read_c0_perfcntr2());
-+		write_c0_perfcntr2(0);
-+	}
-+	snapshot = read_c0_perfcntr3();
-+	if ((long)snapshot < 0) {
-+		extencount[3] +=
-+			(unsigned long long)((unsigned)read_c0_perfcntr3());
-+		write_c0_perfcntr3(0);
-+	}
-+	return 0;
-+}
-+
-+static int __init init_perf_proc(void)
-+{
-+	extern struct proc_dir_entry *get_mips_proc_dir(void);
-+
-+	struct proc_dir_entry *mips_proc_dir = get_mips_proc_dir();
-+
-+	write_c0_perfcntr0(0);
-+	write_c0_perfcntr1(0);
-+	write_c0_perfcntr2(0);
-+	write_c0_perfcntr3(0);
-+	perf_proc = create_proc_entry("perf", 0644, mips_proc_dir);
-+	perf_proc->read_proc = proc_read_perf;
-+	perf_proc->write_proc = proc_write_perf;
-+	perf_irq = perf_proc_irq;
-+
-+	return 0;
-+}
-+
-+/* Automagically create the entry */
-+module_init(init_perf_proc);