ppc64: Introduce Cell/BPA platform, v3

@@ -665,9 +665,6 @@ static void __init iSeries_bolt_kernel(u
 	}
 }
 
-extern unsigned long ppc_proc_freq;
-extern unsigned long ppc_tb_freq;
-
 /*
  * Document me.
  */

@@ -766,8 +763,6 @@ static void iSeries_halt(void)
 	mf_power_off();
 }
 
-extern void setup_default_decr(void);
-
 /*
  * void __init iSeries_calibrate_decr()
  *

@@ -235,6 +235,6 @@ struct machdep_calls __initdata maple_md
        	.get_boot_time		= maple_get_boot_time,
        	.set_rtc_time		= maple_set_rtc_time,
        	.get_rtc_time		= maple_get_rtc_time,
-      	.calibrate_decr		= maple_calibrate_decr,
+      	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= maple_progress,
 };

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@@ -40,11 +40,6 @@
 #define DBG(x...)
 #endif
 
-extern void setup_default_decr(void);
-
-extern unsigned long ppc_tb_freq;
-extern unsigned long ppc_proc_freq;
-
 /* Apparently the RTC stores seconds since 1 Jan 1904 */
 #define RTC_OFFSET	2082844800
 

@@ -161,8 +156,7 @@ void __init pmac_get_boot_time(struct rt
 
 /*
  * Query the OF and get the decr frequency.
- * This was taken from the pmac time_init() when merging the prep/pmac
- * time functions.
+ * FIXME: merge this with generic_calibrate_decr
  */
 void __init pmac_calibrate_decr(void)
 {

@@ -700,9 +700,6 @@ void machine_halt(void)
 
 EXPORT_SYMBOL(machine_halt);
 
-unsigned long ppc_proc_freq;
-unsigned long ppc_tb_freq;
-
 static int ppc64_panic_event(struct notifier_block *this,
                              unsigned long event, void *ptr)
 {

@@ -1116,7 +1113,7 @@ void ppc64_dump_msg(unsigned int src, co
 }
 
 /* This should only be called on processor 0 during calibrate decr */
-void setup_default_decr(void)
+void __init setup_default_decr(void)
 {
 	struct paca_struct *lpaca = get_paca();
 

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@@ -34,6 +34,15 @@ struct rtc_time;
 extern void to_tm(int tim, struct rtc_time * tm);
 extern time_t last_rtc_update;
 
+void generic_calibrate_decr(void);
+void setup_default_decr(void);
+
+/* Some sane defaults: 125 MHz timebase, 1GHz processor */
+extern unsigned long ppc_proc_freq;
+#define DEFAULT_PROC_FREQ	(DEFAULT_TB_FREQ * 8)
+extern unsigned long ppc_tb_freq;
+#define DEFAULT_TB_FREQ		125000000UL
+
 /*
  * By putting all of this stuff into a single struct we 
  * reduce the number of cache lines touched by do_gettimeofday.

@@ -73,9 +73,6 @@
 
 extern void pSeries_final_fixup(void);
 
-extern void pSeries_get_boot_time(struct rtc_time *rtc_time);
-extern void pSeries_get_rtc_time(struct rtc_time *rtc_time);
-extern int  pSeries_set_rtc_time(struct rtc_time *rtc_time);
 extern void find_udbg_vterm(void);
 extern void system_reset_fwnmi(void);	/* from head.S */
 extern void machine_check_fwnmi(void);	/* from head.S */

@@ -534,9 +531,9 @@ struct machdep_calls __initdata pSeries_
 	.halt			= rtas_halt,
 	.panic			= rtas_os_term,
 	.cpu_die		= pSeries_mach_cpu_die,
-	.get_boot_time		= pSeries_get_boot_time,
-	.get_rtc_time		= pSeries_get_rtc_time,
-	.set_rtc_time		= pSeries_set_rtc_time,
+	.get_boot_time		= rtas_get_boot_time,
+	.get_rtc_time		= rtas_get_rtc_time,
+	.set_rtc_time		= rtas_set_rtc_time,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= pSeries_progress,
 	.check_legacy_ioport	= pSeries_check_legacy_ioport,

@@ -303,7 +303,7 @@ void iSeries_get_boot_time(struct rtc_ti
 #ifdef CONFIG_PPC_RTAS
 #define MAX_RTC_WAIT 5000	/* 5 sec */
 #define RTAS_CLOCK_BUSY (-2)
-void pSeries_get_boot_time(struct rtc_time *rtc_tm)
+void rtas_get_boot_time(struct rtc_time *rtc_tm)
 {
 	int ret[8];
 	int error, wait_time;

@@ -338,7 +338,7 @@ void pSeries_get_boot_time(struct rtc_ti
  * and if a delay is needed to read the clock.  In this case we just
  * silently return without updating rtc_tm.
  */
-void pSeries_get_rtc_time(struct rtc_time *rtc_tm)
+void rtas_get_rtc_time(struct rtc_time *rtc_tm)
 {
         int ret[8];
 	int error, wait_time;

@@ -373,7 +373,7 @@ void pSeries_get_rtc_time(struct rtc_tim
 	rtc_tm->tm_year = ret[0] - 1900;
 }
 
-int pSeries_set_rtc_time(struct rtc_time *tm)
+int rtas_set_rtc_time(struct rtc_time *tm)
 {
 	int error, wait_time;
 	unsigned long max_wait_tb;

@@ -188,6 +188,11 @@ extern int rtas_set_power_level(int powe
 extern int rtas_set_indicator(int indicator, int index, int new_value);
 extern void rtas_initialize(void);
 
+struct rtc_time;
+extern void rtas_get_boot_time(struct rtc_time *rtc_time);
+extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
+extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
+
 /* Given an RTAS status code of 9900..9905 compute the hinted delay */
 unsigned int rtas_extended_busy_delay_time(int status);
 static inline int rtas_is_extended_busy(int status)

@@ -265,3 +265,6 @@ extern void mpic_send_ipi(unsigned int i
 extern int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
 /* This one gets to the primary mpic */
 extern int mpic_get_irq(struct pt_regs *regs);
+
+/* global mpic for pSeries */
+extern struct mpic *pSeries_mpic;

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@@ -375,107 +375,6 @@ static void __init pSeries_init_early(vo
 }
 
 
-static void pSeries_progress(char *s, unsigned short hex)
-{
-	struct device_node *root;
-	int width, *p;
-	char *os;
-	static int display_character, set_indicator;
-	static int max_width;
-	static DEFINE_SPINLOCK(progress_lock);
-	static int pending_newline = 0;  /* did last write end with unprinted newline? */
-
-	if (!rtas.base)
-		return;
-
-	if (max_width == 0) {
-		if ((root = find_path_device("/rtas")) &&
-		     (p = (unsigned int *)get_property(root,
-						       "ibm,display-line-length",
-						       NULL)))
-			max_width = *p;
-		else
-			max_width = 0x10;
-		display_character = rtas_token("display-character");
-		set_indicator = rtas_token("set-indicator");
-	}
-
-	if (display_character == RTAS_UNKNOWN_SERVICE) {
-		/* use hex display if available */
-		if (set_indicator != RTAS_UNKNOWN_SERVICE)
-			rtas_call(set_indicator, 3, 1, NULL, 6, 0, hex);
-		return;
-	}
-
-	spin_lock(&progress_lock);
-
-	/*
-	 * Last write ended with newline, but we didn't print it since
-	 * it would just clear the bottom line of output. Print it now
-	 * instead.
-	 *
-	 * If no newline is pending, print a CR to start output at the
-	 * beginning of the line.
-	 */
-	if (pending_newline) {
-		rtas_call(display_character, 1, 1, NULL, '\r');
-		rtas_call(display_character, 1, 1, NULL, '\n');
-		pending_newline = 0;
-	} else {
-		rtas_call(display_character, 1, 1, NULL, '\r');
-	}
- 
-	width = max_width;
-	os = s;
-	while (*os) {
-		if (*os == '\n' || *os == '\r') {
-			/* Blank to end of line. */
-			while (width-- > 0)
-				rtas_call(display_character, 1, 1, NULL, ' ');
- 
-			/* If newline is the last character, save it
-			 * until next call to avoid bumping up the
-			 * display output.
-			 */
-			if (*os == '\n' && !os[1]) {
-				pending_newline = 1;
-				spin_unlock(&progress_lock);
-				return;
-			}
- 
-			/* RTAS wants CR-LF, not just LF */
- 
-			if (*os == '\n') {
-				rtas_call(display_character, 1, 1, NULL, '\r');
-				rtas_call(display_character, 1, 1, NULL, '\n');
-			} else {
-				/* CR might be used to re-draw a line, so we'll
-				 * leave it alone and not add LF.
-				 */
-				rtas_call(display_character, 1, 1, NULL, *os);
-			}
- 
-			width = max_width;
-		} else {
-			width--;
-			rtas_call(display_character, 1, 1, NULL, *os);
-		}
- 
-		os++;
- 
-		/* if we overwrite the screen length */
-		if (width <= 0)
-			while ((*os != 0) && (*os != '\n') && (*os != '\r'))
-				os++;
-	}
- 
-	/* Blank to end of line. */
-	while (width-- > 0)
-		rtas_call(display_character, 1, 1, NULL, ' ');
-
-	spin_unlock(&progress_lock);
-}
-
 static int pSeries_check_legacy_ioport(unsigned int baseport)
 {
 	struct device_node *np;

@@ -535,7 +434,7 @@ struct machdep_calls __initdata pSeries_
 	.get_rtc_time		= rtas_get_rtc_time,
 	.set_rtc_time		= rtas_set_rtc_time,
 	.calibrate_decr		= generic_calibrate_decr,
-	.progress		= pSeries_progress,
+	.progress		= rtas_progress,
 	.check_legacy_ioport	= pSeries_check_legacy_ioport,
 	.system_reset_exception = pSeries_system_reset_exception,
 	.machine_check_exception = pSeries_machine_check_exception,

@@ -371,11 +371,11 @@ static ssize_t ppc_rtas_progress_write(s
 	/* Lets see if the user passed hexdigits */
 	hex = simple_strtoul(progress_led, NULL, 10);
 
-	ppc_md.progress ((char *)progress_led, hex);
+	rtas_progress ((char *)progress_led, hex);
 	return count;
 
 	/* clear the line */
-	/* ppc_md.progress("                   ", 0xffff);*/
+	/* rtas_progress("                   ", 0xffff);*/
 }
 /* ****************************************************************** */
 static int ppc_rtas_progress_show(struct seq_file *m, void *v)

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@@ -186,6 +186,7 @@ extern int rtas_get_sensor(int sensor, i
 extern int rtas_get_power_level(int powerdomain, int *level);
 extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
 extern int rtas_set_indicator(int indicator, int index, int new_value);
+extern void rtas_progress(char *s, unsigned short hex);
 extern void rtas_initialize(void);
 
 struct rtc_time;

Index: linus-2.5/arch/ppc64/kernel/bpa_nvram.c
===================================================================
@@ -0,0 +1,118 @@
+/*
+ * NVRAM for CPBW
+ *
+ * (C) Copyright IBM Corp. 2005
+ *
+ * Authors : Utz Bacher <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <asm/machdep.h>
+#include <asm/nvram.h>
+#include <asm/prom.h>
+
+static void __iomem *bpa_nvram_start;
+static long bpa_nvram_len;
+static spinlock_t bpa_nvram_lock = SPIN_LOCK_UNLOCKED;
+
+static ssize_t bpa_nvram_read(char *buf, size_t count, loff_t *index)
+{
+	unsigned long flags;
+
+	if (*index >= bpa_nvram_len)
+		return 0;
+	if (*index + count > bpa_nvram_len)
+		count = bpa_nvram_len - *index;
+
+	spin_lock_irqsave(&bpa_nvram_lock, flags);
+
+	memcpy_fromio(buf, bpa_nvram_start + *index, count);
+
+	spin_unlock_irqrestore(&bpa_nvram_lock, flags);
+	
+	*index += count;
+	return count;
+}
+
+static ssize_t bpa_nvram_write(char *buf, size_t count, loff_t *index)
+{
+	unsigned long flags;
+
+	if (*index >= bpa_nvram_len)
+		return 0;
+	if (*index + count > bpa_nvram_len)
+		count = bpa_nvram_len - *index;
+
+	spin_lock_irqsave(&bpa_nvram_lock, flags);
+
+	memcpy_toio(bpa_nvram_start + *index, buf, count);
+
+	spin_unlock_irqrestore(&bpa_nvram_lock, flags);
+	
+	*index += count;
+	return count;
+}
+
+static ssize_t bpa_nvram_get_size(void)
+{
+	return bpa_nvram_len;
+}
+
+int __init bpa_nvram_init(void)
+{
+	struct device_node *nvram_node;
+	unsigned long *buffer;
+	int proplen;
+	unsigned long nvram_addr;
+	int ret;
+
+	ret = -ENODEV;
+	nvram_node = of_find_node_by_type(NULL, "nvram");
+	if (!nvram_node)
+		goto out;
+
+	ret = -EIO;
+	buffer = (unsigned long *)get_property(nvram_node, "reg", &proplen);
+	if (proplen != 2*sizeof(unsigned long))
+		goto out;
+
+	ret = -ENODEV;
+	nvram_addr = buffer[0];
+	bpa_nvram_len = buffer[1];
+	if ( (!bpa_nvram_len) || (!nvram_addr) )
+		goto out;
+
+	bpa_nvram_start = ioremap(nvram_addr, bpa_nvram_len);
+	if (!bpa_nvram_start)
+		goto out;
+
+	printk(KERN_INFO "BPA NVRAM, %luk mapped to %p\n",
+	       bpa_nvram_len >> 10, bpa_nvram_start);
+
+	ppc_md.nvram_read	= bpa_nvram_read;
+	ppc_md.nvram_write	= bpa_nvram_write;
+	ppc_md.nvram_size	= bpa_nvram_get_size;
+
+out:
+	of_node_put(nvram_node);
+	return ret;
+}

Index: linus-2.5/include/asm-ppc64/nvram.h
===================================================================
@@ -70,6 +70,7 @@
 
 extern int pSeries_nvram_init(void);
 extern int pmac_nvram_init(void);
+extern int bpa_nvram_init(void);
 
 /* PowerMac specific nvram stuffs */
 

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@@ -34,6 +34,7 @@ EXPORT_SYMBOL(cur_cpu_spec);
 extern void __setup_cpu_power3(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_power4(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_be(unsigned long offset, struct cpu_spec* spec);
 
 
 /* We only set the altivec features if the kernel was compiled with altivec

@@ -162,6 +163,16 @@ struct cpu_spec	cpu_specs[] = {
 	    __setup_cpu_power4,
 	    COMMON_PPC64_FW
     },
+    {	/* BE DD1.x  */
+	    0xffff0000, 0x00700000, "Broadband Engine",
+	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
+		    CPU_FTR_SMT,
+	    COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
+	    128, 128,
+	    __setup_cpu_be,
+	    COMMON_PPC64_FW
+    },
     {	/* default match */
 	    0x00000000, 0x00000000, "POWER4 (compatible)",
   	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |

@@ -395,6 +395,9 @@ int virt_irq_create_mapping(unsigned int
 	if (ppc64_interrupt_controller == IC_OPEN_PIC)
 		return real_irq;	/* no mapping for openpic (for now) */
 
+	if (ppc64_interrupt_controller == IC_BPA_IIC)
+		return real_irq;	/* no mapping for iic either */
+
 	/* don't map interrupts < MIN_VIRT_IRQ */
 	if (real_irq < MIN_VIRT_IRQ) {
 		virt_irq_to_real_map[real_irq] = real_irq;

@@ -53,7 +53,7 @@ static int __init proc_ppc64_create(void
 	if (!root)
 		return 1;
 
-	if (!(systemcfg->platform & PLATFORM_PSERIES))
+	if (!(systemcfg->platform & (PLATFORM_PSERIES | PLATFORM_BPA)))
 		return 0;
 
 	if (!proc_mkdir("rtas", root))

@@ -1915,9 +1915,9 @@ unsigned long __init prom_init(unsigned 
 		prom_send_capabilities();
 
 	/*
-	 * On pSeries, copy the CPU hold code
+	 * On pSeries and BPA, copy the CPU hold code
 	 */
-       	if (RELOC(of_platform) & PLATFORM_PSERIES)
+       	if (RELOC(of_platform) & (PLATFORM_PSERIES | PLATFORM_BPA))
        		copy_and_flush(0, KERNELBASE - offset, 0x100, 0);
 
 	/*

@@ -343,6 +343,7 @@ static void __init setup_cpu_maps(void)
 extern struct machdep_calls pSeries_md;
 extern struct machdep_calls pmac_md;
 extern struct machdep_calls maple_md;
+extern struct machdep_calls bpa_md;
 
 /* Ultimately, stuff them in an elf section like initcalls... */
 static struct machdep_calls __initdata *machines[] = {

@@ -355,6 +356,9 @@ static struct machdep_calls __initdata *
 #ifdef CONFIG_PPC_MAPLE
 	&maple_md,
 #endif /* CONFIG_PPC_MAPLE */
+#ifdef CONFIG_PPC_BPA
+	&bpa_md,
+#endif
 	NULL
 };
 

@@ -126,6 +126,10 @@ int die(const char *str, struct pt_regs 
 			printk("POWERMAC ");
 			nl = 1;
 			break;
+		case PLATFORM_BPA:
+			printk("BPA ");
+			nl = 1;
+			break;
 	}
 	if (nl)
 		printk("\n");

@@ -47,9 +47,10 @@
 #define SLB_VSID_KS		ASM_CONST(0x0000000000000800)
 #define SLB_VSID_KP		ASM_CONST(0x0000000000000400)
 #define SLB_VSID_N		ASM_CONST(0x0000000000000200) /* no-execute */
-#define SLB_VSID_L		ASM_CONST(0x0000000000000100) /* largepage 16M */
+#define SLB_VSID_L		ASM_CONST(0x0000000000000100) /* largepage */
 #define SLB_VSID_C		ASM_CONST(0x0000000000000080) /* class */
-
+#define SLB_VSID_LS		ASM_CONST(0x0000000000000070) /* size of largepage */
+ 
 #define SLB_VSID_KERNEL		(SLB_VSID_KP|SLB_VSID_C)
 #define SLB_VSID_USER		(SLB_VSID_KP|SLB_VSID_KS)
 

@@ -138,8 +138,16 @@
 #define	SPRN_NIADORM	0x3F3	/* Hardware Implementation Register 2 */
 #define SPRN_HID4	0x3F4	/* 970 HID4 */
 #define SPRN_HID5	0x3F6	/* 970 HID5 */
-#define	SPRN_TSC 	0x3FD	/* Thread switch control */
-#define	SPRN_TST 	0x3FC	/* Thread switch timeout */
+#define	SPRN_HID6	0x3F9	/* BE HID 6 */
+#define	  HID6_LB	(0x0F<<12) /* Concurrent Large Page Modes */
+#define	  HID6_DLP	(1<<20)	/* Disable all large page modes (4K only) */
+#define	SPRN_TSCR	0x399   /* Thread switch control on BE */
+#define	SPRN_TTR	0x39A   /* Thread switch timeout on BE */
+#define	  TSCR_DEC_ENABLE	0x200000 /* Decrementer Interrupt */
+#define	  TSCR_EE_ENABLE	0x100000 /* External Interrupt */
+#define	  TSCR_EE_BOOST		0x080000 /* External Interrupt Boost */
+#define	SPRN_TSC 	0x3FD	/* Thread switch control on others */
+#define	SPRN_TST 	0x3FC	/* Thread switch timeout on others */
 #define	SPRN_L2CR	0x3F9	/* Level 2 Cache Control Regsiter */
 #define	SPRN_LR		0x008	/* Link Register */
 #define	SPRN_PIR	0x3FF	/* Processor Identification Register */

@@ -259,6 +267,7 @@
 #define PV_970FX	0x003C
 #define	PV_630        	0x0040
 #define	PV_630p	        0x0041
+#define	PV_BE		0x0070
 
 /* Platforms supported by PPC64 */
 #define PLATFORM_PSERIES      0x0100

@@ -267,6 +276,7 @@
 #define PLATFORM_LPAR         0x0001
 #define PLATFORM_POWERMAC     0x0400
 #define PLATFORM_MAPLE        0x0500
+#define PLATFORM_BPA          0x1000
 
 /* Compatibility with drivers coming from PPC32 world */
 #define _machine	(systemcfg->platform)

@@ -278,6 +288,7 @@
 #define IC_INVALID    0
 #define IC_OPEN_PIC   1
 #define IC_PPC_XIC    2
+#define IC_BPA_IIC    3
 
 #define XGLUE(a,b) a##b
 #define GLUE(a,b) XGLUE(a,b)

@@ -85,6 +85,14 @@ extern void smp_generic_take_timebase(vo
 
 extern struct smp_ops_t *smp_ops;
 
+#ifdef CONFIG_PPC_PSERIES
+void vpa_init(int cpu);
+#else
+static inline void vpa_init(int cpu)
+{
+}
+#endif /* CONFIG_PPC_PSERIES */
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* !(_PPC64_SMP_H) */

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Index: linus-2.5/arch/ppc64/kernel/bpa_setup.c
===================================================================
@@ -45,6 +45,7 @@
 #include <asm/cputable.h>
 
 #include "pci.h"
+#include "bpa_iic.h"
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)

@@ -143,6 +144,9 @@
 
 static void __init bpa_setup_arch(void)
 {
+	ppc_md.init_IRQ       = iic_init_IRQ;
+	ppc_md.get_irq        = iic_get_irq;
+
 #ifdef CONFIG_SMP
 	smp_init_pSeries();
 #endif

@@ -158,7 +162,7 @@
 	/* Find and initialize PCI host bridges */
 	init_pci_config_tokens();
 	find_and_init_phbs();
-
+	spider_init_IRQ();
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
 #endif

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Index: linus-2.5/arch/ppc64/kernel/smp.c
===================================================================
@@ -71,7 +71,7 @@
 
 int smt_enabled_at_boot = 1;
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
 void smp_mpic_message_pass(int target, int msg)
 {
 	/* make sure we're sending something that translates to an IPI */

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Index: linus-2.5/arch/ppc64/kernel/bpa_setup.c
===================================================================
@@ -46,6 +46,7 @@
 
 #include "pci.h"
 #include "bpa_iic.h"
+#include "bpa_iommu.h"
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)

@@ -179,7 +180,7 @@
 
 	hpte_init_native();
 
-	pci_direct_iommu_init();
+	bpa_init_iommu();
 
 	ppc64_interrupt_controller = IC_BPA_IIC;
 

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@@ -354,6 +354,7 @@ int hash_page(unsigned long ea, unsigned
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(hash_page);
 
 void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
 		     int local)

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@@ -2201,6 +2201,7 @@ unsigned long vmalloc_to_pfn(void * vmal
 {
 	return page_to_pfn(vmalloc_to_page(vmalloc_addr));
 }
+EXPORT_SYMBOL_GPL(handle_mm_fault);
 
 EXPORT_SYMBOL(vmalloc_to_pfn);
 

@@ -343,6 +343,16 @@ out:
 	return ret;
 }
 
+static int spufs_run_open(struct inode *inode, struct file *file)
+{
+        struct spufs_inode_info *i = SPUFS_I(inode);
+        file->private_data = i->i_ctx;
+
+	i->i_spu_run = spufs_run_spu;
+
+	return nonseekable_open(inode, file);
+}
+
 struct spufs_run_arg {
 	u32 npc;    /* inout: Next Program Counter */
 	u32 status; /* out:   SPU status */

@@ -371,7 +381,7 @@ static long spufs_run_ioctl(struct file 
 }
 
 static struct file_operations spufs_run_fops = {
-	.open		= spufs_pipe_open,
+	.open		= spufs_run_open,
 	.unlocked_ioctl	= spufs_run_ioctl,
 	.compat_ioctl	= spufs_run_ioctl,
 };

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@@ -42,6 +42,8 @@ struct spu_context {
 
 struct spufs_inode_info {
 	struct spu_context *i_ctx;
+	long (*i_spu_run)(struct file *filp, struct spu_context *ctx,
+		u32 *npc, u32 *result);
 	struct inode vfs_inode;
 };
 #define SPUFS_I(inode) container_of(inode, struct spufs_inode_info, vfs_inode)

@@ -277,8 +277,9 @@
 #define __NR_request_key	270
 #define __NR_keyctl		271
 #define __NR_waitid		272
+#define __NR_spu_run		273
 
-#define __NR_syscalls		273
+#define __NR_syscalls		274
 
 #define __NR(n)	#n
 

@@ -283,8 +283,9 @@
 #define __NR_request_key	270
 #define __NR_keyctl		271
 #define __NR_waitid		272
+#define __NR_spu_run		273
 
-#define __NR_syscalls		273
+#define __NR_syscalls		274
 #ifdef __KERNEL__
 #define NR_syscalls	__NR_syscalls
 #endif

@@ -505,4 +505,7 @@ asmlinkage long sys_request_key(const ch
 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
 			   unsigned long arg4, unsigned long arg5);
 
+asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
+				 __u32 __user *ustatus);
+
 #endif

@@ -85,3 +85,4 @@ cond_syscall(sys_pciconfig_iobase);
 cond_syscall(sys32_ipc);
 cond_syscall(sys32_sysctl);
 cond_syscall(ppc_rtas);
+cond_syscall(sys_spu_run);

@@ -91,7 +91,7 @@ static void __init bpa_setup_arch(void)
 	conswitchp = &dummy_con;
 #endif
 
-	// bpa_nvram_init();
+	bpa_nvram_init();
 }
 
 /*