ppc64: wrap pSeries and iSeries specific code

arch/ppc64/kernel/head.S

@@ -79,7 +79,7 @@
 _stext:
 _STATIC(__start)
 	b .__start_initialization_pSeries
-
+#ifdef CONFIG_PPC_ISERIES
 	/* At offset 0x20, there is a pointer to iSeries LPAR data.
 	 * This is required by the hypervisor */
 	. = 0x20
@@ -90,9 +90,7 @@ _STATIC(__start)
 	 * between physical addresses and absolute addresses) and
 	 * to the pidhash table (also used by the debugger) */
 	.llong msChunks-KERNELBASE
-#ifdef CONFIG_PPC_ISERIES
 	.llong pidhash-KERNELBASE
-#endif
 
 	/* Offset 0x38 - Pointer to start of embedded System.map */
 	.globl	embedded_sysmap_start
@@ -102,6 +100,7 @@ embedded_sysmap_start:
 	.globl	embedded_sysmap_end
 embedded_sysmap_end:
 	.llong	0
+#endif
 
 	/* Secondary processors spin on this value until it goes to 1. */
 	.globl  __secondary_hold_spinloop
@@ -365,11 +364,15 @@ __start_interupts:
 	 * point to itVpdAreas.  On pSeries native, this value is not used.
 	 */
 	. = 0x4000
-	.globl __end_interupts
+	.globl __end_interrupts
 	.globl __start_naca
 __end_interupts:
 __start_naca:
+#ifdef CONFIG_PPC_ISERIES
 	.llong itVpdAreas
+#else
+	.llong 0x0
+#endif
 	.llong 0x0
 	.llong 0x0
 	.llong paca
@@ -390,6 +393,7 @@ __start_stab:
 	.globl __end_stab
 __end_stab:
 
+#ifdef CONFIG_PPC_ISERIES
 	/*
 	 * The iSeries LPAR map is at this fixed address
 	 * so that the HvReleaseData structure can address
@@ -503,7 +507,7 @@ maskable_exception_exit:
 	mfspr	r21,SPRG1
 	mfspr	r20,SPRG2
 	rfid
-
+#endif
 /*
  * Data area reserved for FWNMI option.
  */
@@ -1217,7 +1221,7 @@ _GLOBAL(pseries_secondary_smp_init)
 #endif
 #endif
 	b 	1b			 /* Loop until told to go         */
-
+#ifdef CONFIG_PPC_ISERIES
 _GLOBAL(__start_initialization_iSeries)
 
 	LOADADDR(r1,init_thread_union)
@@ -1241,6 +1245,7 @@ _GLOBAL(__start_initialization_iSeries)
 	bl      .iSeries_fixup_klimit
 
 	b	.start_here_common
+#endif
 
 _GLOBAL(__start_initialization_pSeries)
 	mr	r31,r3			/* save parameters */

arch/ppc64/kernel/pci_dma.c

@@ -147,6 +147,7 @@ static unsigned long __inline__ count_leading_zeros64( unsigned long x )
 	return lz;
 }
 
+#ifdef CONFIG_PPC_ISERIES
 static void tce_build_iSeries(struct TceTable *tbl, long tcenum, 
 			       unsigned long uaddr, int direction )
 {
@@ -180,7 +181,9 @@ static void tce_build_iSeries(struct TceTable *tbl, long tcenum,
 		panic("PCI_DMA: HvCallXm_setTce failed, Rc: 0x%lx\n", setTceRc);
 	}
 }
+#endif
 
+#ifdef CONFIG_PPC_PSERIES
 static void tce_build_pSeries(struct TceTable *tbl, long tcenum, 
 			       unsigned long uaddr, int direction )
 {
@@ -199,8 +202,8 @@ static void tce_build_pSeries(struct TceTable *tbl, long tcenum,
 
 	tce_addr = ((union Tce *)tbl->base) + tcenum;
 	*tce_addr = (union Tce)tce.wholeTce;
-
 }
+#endif
 
 /* 
  * Build a TceTable structure.  This contains a multi-level bit map which
@@ -548,6 +551,7 @@ static inline dma_addr_t get_tces( struct TceTable *tbl, unsigned order, void *p
 	return retTce; 
 }
 
+#ifdef CONFIG_PPC_ISERIES
 static void tce_free_one_iSeries( struct TceTable *tbl, long tcenum )
 {
 	u64 set_tce_rc;
@@ -560,7 +564,9 @@ static void tce_free_one_iSeries( struct TceTable *tbl, long tcenum )
 		panic("PCI_DMA: HvCallXm_setTce failed, Rc: 0x%lx\n", set_tce_rc);
 
 }
+#endif
 
+#ifdef CONFIG_PPC_PSERIES
 static void tce_free_one_pSeries( struct TceTable *tbl, long tcenum )
 {
 	union Tce tce;
@@ -572,6 +578,7 @@ static void tce_free_one_pSeries( struct TceTable *tbl, long tcenum )
 	*tce_addr = (union Tce)tce.wholeTce;
 
 }
+#endif
 
 static void tce_free(struct TceTable *tbl, dma_addr_t dma_addr, 
 			     unsigned order, unsigned num_pages)
@@ -609,6 +616,7 @@ static void tce_free(struct TceTable *tbl, dma_addr_t dma_addr,
 	free_tce_range( tbl, free_tce, order );
 }
 
+#ifdef CONFIG_PPC_ISERIES
 void __init create_virtual_bus_tce_table(void)
 {
 	struct TceTable *t;
@@ -661,6 +669,7 @@ void __init create_virtual_bus_tce_table(void)
 	}
 	else printk( "Virtual Bus VIO TCE table failed.\n");
 }
+#endif
 
 void create_tce_tables_for_buses(struct list_head *bus_list)
 {
@@ -842,6 +851,7 @@ static struct TceTable* findHwTceTable(struct TceTable * newTceTable )
 static void getTceTableParmsiSeries(struct iSeries_Device_Node* DevNode,
 				    struct TceTable* newTceTable )
 {
+#ifdef CONFIG_PPC_ISERIES
 	struct TceTableManagerCB* pciBusTceTableParms = (struct TceTableManagerCB*)kmalloc( sizeof(struct TceTableManagerCB), GFP_KERNEL );
 	if(pciBusTceTableParms == NULL) panic("PCI_DMA: TCE Table Allocation failed.");
 
@@ -872,6 +882,7 @@ static void getTceTableParmsiSeries(struct iSeries_Device_Node* DevNode,
 	newTceTable->tceType     = TCE_PCI;
 
 	kfree(pciBusTceTableParms);
+#endif
 }
 
 static void getTceTableParmsPSeries(struct pci_controller *phb,
@@ -1440,15 +1451,19 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
 }
 #endif
 
+#ifdef CONFIG_PPC_PSERIES
 /* These are called very early. */
 void tce_init_pSeries(void)
 {
 	ppc_md.tce_build = tce_build_pSeries;
 	ppc_md.tce_free_one = tce_free_one_pSeries;
 }
+#endif
 
+#ifdef CONFIG_PPC_ISERIES
 void tce_init_iSeries(void)
 {
 	ppc_md.tce_build = tce_build_iSeries;
 	ppc_md.tce_free_one = tce_free_one_iSeries;
 }
+#endif

arch/ppc64/kernel/prom.c

@@ -1060,9 +1060,11 @@ prom_init(unsigned long r3, unsigned long r4, unsigned long pp,
 	/* Default machine type. */
 	_naca->platform = PLATFORM_PSERIES;
 
+#if 0
 	/* Reset klimit to take into account the embedded system map */
 	if (RELOC(embedded_sysmap_end))
 		RELOC(klimit) = __va(PAGE_ALIGN(RELOC(embedded_sysmap_end)));
+#endif
 
 	/* Get a handle to the prom entry point before anything else */
 	_prom->entry = pp;

arch/ppc64/kernel/rtc.c

@@ -257,6 +257,7 @@ static int rtc_read_proc(char *page, char **start, off_t off,
         return len;
 }
 
+#ifdef CONFIG_PPC_ISERIES
 /*
  * Get the RTC from the virtual service processor
  * This requires flowing LpEvents to the primary partition
@@ -270,60 +271,6 @@ void iSeries_get_rtc_time(struct rtc_time *rtc_tm)
 	rtc_tm->tm_mon--;
 }
 
-
-void pSeries_get_rtc_time(struct rtc_time *rtc_tm)
-{
-        unsigned long ret[8];
-        int error;
-	int count;
-
-	/*
-	 * error -2 is clock busy, we keep retrying a few times to see
-	 * if it will come good  -- paulus
-	 */
-	count = 0;
-	do {
-		error = rtas_call(rtas_token("get-time-of-day"), 0, 8, (void *)&ret);
-	} while (error == -2 && ++count < 1000);
-
-        if (error != 0) {
-                printk(KERN_WARNING "error: reading the clock failed (%d)\n",
-		       error);
-		return;
-        }
-
-	rtc_tm->tm_sec = ret[5];
-	rtc_tm->tm_min = ret[4];
-	rtc_tm->tm_hour = ret[3];
-	rtc_tm->tm_mday = ret[2];
-	rtc_tm->tm_mon = ret[1] - 1;
-	rtc_tm->tm_year = ret[0] - 1900;
-}
-
-int pSeries_set_rtc_time(struct rtc_time *tm)
-{
-        int error;
-	int count;
-
-	/*
-	 * error -2 is clock busy, we keep retrying a few times to see
-	 * if it will come good  -- paulus
-	 */
-	count = 0;
-	do {
-	        error = rtas_call(rtas_token("set-time-of-day"), 7, 1, NULL,
-				  tm->tm_year + 1900, tm->tm_mon + 1, 
-				  tm->tm_mday, tm->tm_hour, tm->tm_min, 
-				  tm->tm_sec, 0);
-	} while (error == -2 && ++count < 1000);
-
-        if (error != 0)
-                printk(KERN_WARNING "error: setting the clock failed (%d)\n",
-		       error); 
-
-        return 0;
-}
-
 /*
  * Set the RTC in the virtual service processor
  * This requires flowing LpEvents to the primary partition
@@ -379,3 +326,59 @@ void iSeries_get_boot_time(struct rtc_time *tm)
 	tm->tm_year -= 1900;
 	tm->tm_mon  -= 1;
 }
+#endif
+
+#ifdef CONFIG_PPC_PSERIES
+void pSeries_get_rtc_time(struct rtc_time *rtc_tm)
+{
+        unsigned long ret[8];
+        int error;
+	int count;
+
+	/*
+	 * error -2 is clock busy, we keep retrying a few times to see
+	 * if it will come good  -- paulus
+	 */
+	count = 0;
+	do {
+		error = rtas_call(rtas_token("get-time-of-day"), 0, 8, (void *)&ret);
+	} while (error == -2 && ++count < 1000);
+
+        if (error != 0) {
+                printk(KERN_WARNING "error: reading the clock failed (%d)\n",
+		       error);
+		return;
+        }
+
+	rtc_tm->tm_sec = ret[5];
+	rtc_tm->tm_min = ret[4];
+	rtc_tm->tm_hour = ret[3];
+	rtc_tm->tm_mday = ret[2];
+	rtc_tm->tm_mon = ret[1] - 1;
+	rtc_tm->tm_year = ret[0] - 1900;
+}
+
+int pSeries_set_rtc_time(struct rtc_time *tm)
+{
+        int error;
+	int count;
+
+	/*
+	 * error -2 is clock busy, we keep retrying a few times to see
+	 * if it will come good  -- paulus
+	 */
+	count = 0;
+	do {
+	        error = rtas_call(rtas_token("set-time-of-day"), 7, 1, NULL,
+				  tm->tm_year + 1900, tm->tm_mon + 1, 
+				  tm->tm_mday, tm->tm_hour, tm->tm_min, 
+				  tm->tm_sec, 0);
+	} while (error == -2 && ++count < 1000);
+
+        if (error != 0)
+                printk(KERN_WARNING "error: setting the clock failed (%d)\n",
+		       error); 
+
+        return 0;
+}
+#endif

arch/ppc64/kernel/setup.c

@@ -153,14 +153,18 @@ void setup_system(unsigned long r3, unsigned long r4, unsigned long r5,
 	debugger_dabr_match = xmon_dabr_match;
 #endif
 
+#ifdef CONFIG_PPC_ISERIES
 	/* pSeries systems are identified in prom.c via OF. */
 	if ( itLpNaca.xLparInstalled == 1 )
 		naca->platform = PLATFORM_ISERIES_LPAR;
+#endif
 	
 	switch (naca->platform) {
+#ifdef CONFIG_PPC_ISERIES
 	case PLATFORM_ISERIES_LPAR:
 		iSeries_init_early();
 		break;
+#endif
 
 #ifdef CONFIG_PPC_PSERIES
 	case PLATFORM_PSERIES:
@@ -215,9 +219,11 @@ void setup_system(unsigned long r3, unsigned long r4, unsigned long r5,
 	mm_init_ppc64();
 
 	switch (naca->platform) {
+#ifdef CONFIG_PPC_ISERIES
 	case PLATFORM_ISERIES_LPAR:
 		iSeries_init();
 		break;
+#endif
 	default:
 		/* The following relies on the device tree being */
 		/* fully configured.                             */

arch/ppc64/kernel/smp.c

@@ -86,6 +86,7 @@ static inline void set_tb(unsigned int upper, unsigned int lower)
 	mttbl(lower);
 }
 
+#ifdef CONFIG_PPC_ISERIES
 void iSeries_smp_message_recv( struct pt_regs * regs )
 {
 	int cpu = smp_processor_id();
@@ -117,7 +118,6 @@ static void smp_iSeries_message_pass(int target, int msg, unsigned long data, in
 	}
 }
 
-#ifdef CONFIG_PPC_ISERIES
 static int smp_iSeries_numProcs(void)
 {
 	unsigned np, i;
@@ -132,7 +132,6 @@ static int smp_iSeries_numProcs(void)
         }
 	return np;
 }
-#endif
 
 static int smp_iSeries_probe(void)
 {
@@ -189,13 +188,12 @@ void __init smp_init_iSeries(void)
 	smp_ops->probe        = smp_iSeries_probe;
 	smp_ops->kick_cpu     = smp_iSeries_kick_cpu;
 	smp_ops->setup_cpu    = smp_iSeries_setup_cpu;
-#ifdef CONFIG_PPC_ISERIES
 #warning fix for iseries
 	naca->processorCount	= smp_iSeries_numProcs();
-#endif
 }
+#endif
 
-
+#ifdef CONFIG_PPC_PSERIES
 static void
 smp_openpic_message_pass(int target, int msg, unsigned long data, int wait)
 {
@@ -257,6 +255,7 @@ smp_kick_cpu(int nr)
 	 */
 	paca[nr].xProcStart = 1;
 }
+#endif
 
 static void __init smp_space_timers(unsigned int max_cpus)
 {
@@ -273,6 +272,7 @@ static void __init smp_space_timers(unsigned int max_cpus)
 	}
 }
 
+#ifdef CONFIG_PPC_PSERIES
 static void __devinit pSeries_setup_cpu(int cpu)
 {
 	if (OpenPIC_Addr) {
@@ -361,6 +361,7 @@ void __init smp_init_pSeries(void)
 	smp_ops->kick_cpu = smp_kick_cpu;
 	smp_ops->setup_cpu = pSeries_setup_cpu;
 }
+#endif
 
 void smp_local_timer_interrupt(struct pt_regs * regs)
 {

arch/ppc64/kernel/time.c

@@ -301,9 +301,11 @@ int timer_interrupt(struct pt_regs * regs)
         	next_dec = lpaca->default_decr;
 	set_dec(next_dec);
 
+#ifdef CONFIG_PPC_ISERIES
 	lpq = lpaca->lpQueuePtr;
 	if (lpq && ItLpQueue_isLpIntPending(lpq))
 		lpEvent_count += ItLpQueue_process(lpq, regs); 
+#endif
 
 	irq_exit();
 
@@ -458,9 +460,11 @@ void __init time_init(void)
 
 	ppc_md.calibrate_decr();
 
-	if ( ! piranha_simulator ) {
+#ifdef CONFIG_PPC_ISERIES
+	if (!piranha_simulator)
+#endif
 		ppc_md.get_boot_time(&tm);
-	}
+
 	write_lock_irqsave(&xtime_lock, flags);
 	xtime.tv_sec = mktime(tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
 			      tm.tm_hour, tm.tm_min, tm.tm_sec);