34 files changed, 190 insertions, 200 deletions

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 7f64f0464d44..de69fb37c731 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -46,10 +46,10 @@
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/prom.h>
+#include <asm/machdep.h>
 #ifdef CONFIG_PPC64
 #include <asm/firmware.h>
 #include <asm/time.h>
-#include <asm/machdep.h>
 #endif
 
 extern unsigned long _get_SP(void);
@@ -203,10 +203,8 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs)
 
 int set_dabr(unsigned long dabr)
 {
-#ifdef CONFIG_PPC64
         if (ppc_md.set_dabr)
                 return ppc_md.set_dabr(dabr);
-#endif
 
         mtspr(SPRN_DABR, dabr);
         return 0;
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index b7fc2d884950..751f5ddea913 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -608,7 +608,6 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
         return 0;
 }
 
-#ifdef CONFIG_SMP
 /* This version can't take the spinlock, because it never returns */
 
 struct rtas_args rtas_stop_self_args = {
@@ -633,7 +632,6 @@ void rtas_stop_self(void)
 
         panic("Alas, I survived.\n");
 }
-#endif
 
 /*
  * Call early during boot, before mem init or bootmem, to retreive the RTAS
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index b0994050024f..785fd9d7b386 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -41,7 +41,6 @@
 #include <asm/elf.h>
 #include <asm/machdep.h>
 #include <asm/paca.h>
-#include <asm/ppcdebug.h>
 #include <asm/time.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
@@ -60,6 +59,7 @@
 #include <asm/firmware.h>
 #include <asm/systemcfg.h>
 #include <asm/xmon.h>
+#include <asm/udbg.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
@@ -244,12 +244,6 @@ void __init early_setup(unsigned long dt_ptr)
         DBG(" -> early_setup()\n");
 
         /*
-         * Fill the default DBG level (do we want to keep
-         * that old mecanism around forever ?)
-         */
-        ppcdbg_initialize();
-
-        /*
          * Do early initializations using the flattened device
          * tree, like retreiving the physical memory map or
          * calculating/retreiving the hash table size
@@ -521,7 +515,6 @@ void __init setup_system(void)
 
         printk("-----------------------------------------------------\n");
         printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
-        printk("ppc64_debug_switch            = 0x%lx\n", ppc64_debug_switch);
         printk("ppc64_interrupt_controller    = 0x%ld\n", ppc64_interrupt_controller);
         printk("systemcfg                     = 0x%p\n", systemcfg);
         printk("systemcfg->platform           = 0x%x\n", systemcfg->platform);
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 876c57c11365..081d931eae48 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -44,7 +44,6 @@
 #include <asm/cacheflush.h>
 #ifdef CONFIG_PPC64
 #include "ppc32.h"
-#include <asm/ppcdebug.h>
 #include <asm/unistd.h>
 #include <asm/vdso.h>
 #else
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index ec9d0984b6a0..58194e150711 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -33,7 +33,6 @@
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
-#include <asm/ppcdebug.h>
 #include <asm/unistd.h>
 #include <asm/cacheflush.h>
 #include <asm/vdso.h>
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index b1c89bc4bf90..a6282b625b44 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -61,6 +61,7 @@
 #include <asm/prom.h>
 #include <asm/irq.h>
 #include <asm/div64.h>
+#include <asm/smp.h>
 #ifdef CONFIG_PPC64
 #include <asm/systemcfg.h>
 #include <asm/firmware.h>
@@ -119,10 +120,6 @@ static unsigned adjusting_time = 0;
 unsigned long ppc_proc_freq;
 unsigned long ppc_tb_freq;
 
-#ifdef CONFIG_PPC32     /* XXX for now */
-#define boot_cpuid      0
-#endif
-
 u64 tb_last_jiffy __cacheline_aligned_in_smp;
 unsigned long tb_last_stamp;
 
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index 2a912f411eb4..35bd03c41dd1 100644
--- a/arch/powerpc/lib/locks.c
+++ b/arch/powerpc/lib/locks.c
@@ -23,6 +23,7 @@
 #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
 #include <asm/hvcall.h>
 #include <asm/iseries/hv_call.h>
+#include <asm/smp.h>
 
 void __spin_yield(raw_spinlock_t *lock)
 {
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 841d8b6323a8..93d4fbfdb724 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -389,5 +389,22 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
         }
 
         /* kernel has accessed a bad area */
+
+        printk(KERN_ALERT "Unable to handle kernel paging request for ");
+        switch (regs->trap) {
+                case 0x300:
+                case 0x380:
+                        printk("data at address 0x%08lx\n", regs->dar);
+                        break;
+                case 0x400:
+                case 0x480:
+                        printk("instruction fetch\n");
+                        break;
+                default:
+                        printk("unknown fault\n");
+        }
+        printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
+                regs->nip);
+
         die("Kernel access of bad area", regs, sig);
 }
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index f15dfb92dec0..3d83c3b84f0e 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -33,7 +33,6 @@
 #include <linux/init.h>
 #include <linux/signal.h>
 
-#include <asm/ppcdebug.h>
 #include <asm/processor.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
@@ -409,12 +408,6 @@ void __init htab_initialize(void)
         htab_size_bytes = htab_get_table_size();
         pteg_count = htab_size_bytes >> 7;
 
-        /* For debug, make the HTAB 1/8 as big as it normally would be. */
-        ifppcdebug(PPCDBG_HTABSIZE) {
-                pteg_count >>= 3;
-                htab_size_bytes = pteg_count << 7;
-        }
-
         htab_hash_mask = pteg_count - 1;
 
         if (systemcfg->platform & PLATFORM_LPAR) {
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index dfe7fa37b41a..ce974c83d88a 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -57,7 +57,6 @@
 #include <asm/processor.h>
 #include <asm/mmzone.h>
 #include <asm/cputable.h>
-#include <asm/ppcdebug.h>
 #include <asm/sections.h>
 #include <asm/system.h>
 #include <asm/iommu.h>
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 4035cad8d7f1..da09ba03c424 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -21,6 +21,7 @@
 #include <asm/machdep.h>
 #include <asm/abs_addr.h>
 #include <asm/system.h>
+#include <asm/smp.h>
 
 static int numa_enabled = 1;
 
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 51b786940971..900842451bd3 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -59,7 +59,6 @@
 #include <asm/processor.h>
 #include <asm/mmzone.h>
 #include <asm/cputable.h>
-#include <asm/ppcdebug.h>
 #include <asm/sections.h>
 #include <asm/system.h>
 #include <asm/iommu.h>
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c
index c1135912cc05..a06603d84a45 100644
--- a/arch/powerpc/platforms/iseries/irq.c
+++ b/arch/powerpc/platforms/iseries/irq.c
@@ -35,7 +35,6 @@
 #include <linux/irq.h>
 #include <linux/spinlock.h>
 
-#include <asm/ppcdebug.h>
 #include <asm/iseries/hv_types.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/hv_call_xm.h>
@@ -227,8 +226,6 @@ static void iSeries_enable_IRQ(unsigned int irq)
         /* Unmask secondary INTA */
         mask = 0x80000000;
         HvCallPci_unmaskInterrupts(bus, subBus, deviceId, mask);
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_enable_IRQ 0x%02X.%02X.%02X 0x%04X\n",
-                        bus, subBus, deviceId, irq);
 }
 
 /* This is called by iSeries_activate_IRQs */
@@ -310,8 +307,6 @@ static void iSeries_disable_IRQ(unsigned int irq)
         /* Mask secondary INTA   */
         mask = 0x80000000;
         HvCallPci_maskInterrupts(bus, subBus, deviceId, mask);
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_disable_IRQ 0x%02X.%02X.%02X 0x%04X\n",
-                        bus, subBus, deviceId, irq);
 }
 
 /*
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 7d7d5884343f..4b75131773a6 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -32,7 +32,6 @@
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/abs_addr.h>
 
@@ -207,10 +206,6 @@ static struct device_node *build_device_node(HvBusNumber Bus,
         struct device_node *node;
         struct pci_dn *pdn;
 
-        PPCDBG(PPCDBG_BUSWALK,
-                        "-build_device_node 0x%02X.%02X.%02X Function: %02X\n",
-                        Bus, SubBus, AgentId, Function);
-
         node = kmalloc(sizeof(struct device_node), GFP_KERNEL);
         if (node == NULL)
                 return NULL;
@@ -243,8 +238,6 @@ unsigned long __init find_and_init_phbs(void)
         struct pci_controller *phb;
         HvBusNumber bus;
 
-        PPCDBG(PPCDBG_BUSWALK, "find_and_init_phbs Entry\n");
-
         /* Check all possible buses. */
         for (bus = 0; bus < 256; bus++) {
                 int ret = HvCallXm_testBus(bus);
@@ -261,9 +254,6 @@ unsigned long __init find_and_init_phbs(void)
                         phb->last_busno = bus;
                         phb->ops = &iSeries_pci_ops;
 
-                        PPCDBG(PPCDBG_BUSWALK, "PCI:Create iSeries pci_controller(%p), Bus: %04X\n",
-                                        phb, bus);
-
                         /* Find and connect the devices. */
                         scan_PHB_slots(phb);
                 }
@@ -285,11 +275,9 @@ unsigned long __init find_and_init_phbs(void)
  */
 void iSeries_pcibios_init(void)
 {
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Entry.\n");
         iomm_table_initialize();
         find_and_init_phbs();
         io_page_mask = -1;
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_init Exit.\n");
 }
 
 /*
@@ -301,8 +289,6 @@ void __init iSeries_pci_final_fixup(void)
         struct device_node *node;
         int DeviceCount = 0;
 
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup Entry.\n");
-
         /* Fix up at the device node and pci_dev relationship */
         mf_display_src(0xC9000100);
 
@@ -316,9 +302,6 @@ void __init iSeries_pci_final_fixup(void)
                         ++DeviceCount;
                         pdev->sysdata = (void *)node;
                         PCI_DN(node)->pcidev = pdev;
-                        PPCDBG(PPCDBG_BUSWALK,
-                                        "pdev 0x%p <==> DevNode 0x%p\n",
-                                        pdev, node);
                         allocate_device_bars(pdev);
                         iSeries_Device_Information(pdev, DeviceCount);
                         iommu_devnode_init_iSeries(node);
@@ -333,13 +316,10 @@ void __init iSeries_pci_final_fixup(void)
 
 void pcibios_fixup_bus(struct pci_bus *PciBus)
 {
-        PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup_bus(0x%04X) Entry.\n",
-                        PciBus->number);
 }
 
 void pcibios_fixup_resources(struct pci_dev *pdev)
 {
-        PPCDBG(PPCDBG_BUSWALK, "fixup_resources pdev %p\n", pdev);
 }
 
 /*
@@ -401,9 +381,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus,
                         printk("found device at bus %d idsel %d func %d (AgentId %x)\n",
                                bus, IdSel, Function, AgentId);
                         /*  Connect EADs: 0x18.00.12 = 0x00 */
-                        PPCDBG(PPCDBG_BUSWALK,
-                                        "PCI:Connect EADs: 0x%02X.%02X.%02X\n",
-                                        bus, SubBus, AgentId);
                         HvRc = HvCallPci_getBusUnitInfo(bus, SubBus, AgentId,
                                         iseries_hv_addr(BridgeInfo),
                                         sizeof(struct HvCallPci_BridgeInfo));
@@ -414,14 +391,6 @@ static void scan_EADS_bridge(HvBusNumber bus, HvSubBusNumber SubBus,
                                         BridgeInfo->maxAgents,
                                         BridgeInfo->maxSubBusNumber,
                                         BridgeInfo->logicalSlotNumber);
-                                PPCDBG(PPCDBG_BUSWALK,
-                                        "PCI: BridgeInfo, Type:0x%02X, SubBus:0x%02X, MaxAgents:0x%02X, MaxSubBus: 0x%02X, LSlot: 0x%02X\n",
-                                        BridgeInfo->busUnitInfo.deviceType,
-                                        BridgeInfo->subBusNumber,
-                                        BridgeInfo->maxAgents,
-                                        BridgeInfo->maxSubBusNumber,
-                                        BridgeInfo->logicalSlotNumber);
-
                                 if (BridgeInfo->busUnitInfo.deviceType ==
                                                 HvCallPci_BridgeDevice)  {
                                         /* Scan_Bridge_Slot...: 0x18.00.12 */
@@ -454,9 +423,6 @@ static int scan_bridge_slot(HvBusNumber Bus,
 
         /* iSeries_allocate_IRQ.: 0x18.00.12(0xA3) */
         Irq = iSeries_allocate_IRQ(Bus, 0, EADsIdSel);
-        PPCDBG(PPCDBG_BUSWALK,
-                "PCI:- allocate and assign IRQ 0x%02X.%02X.%02X = 0x%02X\n",
-                Bus, 0, EADsIdSel, Irq);
 
         /*
          * Connect all functions of any device found.
@@ -482,9 +448,6 @@ static int scan_bridge_slot(HvBusNumber Bus,
                         printk("read vendor ID: %x\n", VendorId);
 
                         /* FoundDevice: 0x18.28.10 = 0x12AE */
-                        PPCDBG(PPCDBG_BUSWALK,
-                               "PCI:- FoundDevice: 0x%02X.%02X.%02X = 0x%04X, irq %d\n",
-                               Bus, SubBus, AgentId, VendorId, Irq);
                         HvRc = HvCallPci_configStore8(Bus, SubBus, AgentId,
                                                       PCI_INTERRUPT_LINE, Irq);
                         if (HvRc != 0)
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index c5207064977d..d3e4bf756c83 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -71,8 +71,6 @@ extern void hvlog(char *fmt, ...);
 #endif
 
 /* Function Prototypes */
-extern void ppcdbg_initialize(void);
-
 static void build_iSeries_Memory_Map(void);
 static void iseries_shared_idle(void);
 static void iseries_dedicated_idle(void);
@@ -309,8 +307,6 @@ static void __init iSeries_init_early(void)
 
         ppc64_firmware_features = FW_FEATURE_ISERIES;
 
-        ppcdbg_initialize();
-
         ppc64_interrupt_controller = IC_ISERIES;
 
 #if defined(CONFIG_BLK_DEV_INITRD)
diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
index 3336bad67724..fcb094ec6aec 100644
--- a/arch/powerpc/platforms/iseries/smp.c
+++ b/arch/powerpc/platforms/iseries/smp.c
@@ -40,7 +40,6 @@
 #include <asm/paca.h>
 #include <asm/iseries/hv_call.h>
 #include <asm/time.h>
-#include <asm/ppcdebug.h>
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/system.h>
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 513e27231493..fcc50bfd43fd 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -37,7 +37,6 @@
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
@@ -47,6 +46,7 @@
 #include <asm/firmware.h>
 #include <asm/tce.h>
 #include <asm/ppc-pci.h>
+#include <asm/udbg.h>
 
 #include "plpar_wrappers.h"
 
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ab0c6dd6ec94..a50e5f3f396d 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -31,13 +31,14 @@
 #include <asm/machdep.h>
 #include <asm/abs_addr.h>
 #include <asm/mmu_context.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/tlbflush.h>
 #include <asm/tlb.h>
 #include <asm/prom.h>
 #include <asm/abs_addr.h>
 #include <asm/cputable.h>
+#include <asm/udbg.h>
+#include <asm/smp.h>
 
 #include "plpar_wrappers.h"
 
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 382f8c5b0e7c..3bd1b3e06003 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -107,14 +107,4 @@ static inline long plpar_put_term_char(unsigned long termno, unsigned long len,
                         lbuf[1]);
 }
 
-static inline long plpar_set_xdabr(unsigned long address, unsigned long flags)
-{
-        return plpar_hcall_norets(H_SET_XDABR, address, flags);
-}
-
-static inline long plpar_set_dabr(unsigned long val)
-{
-        return plpar_hcall_norets(H_SET_DABR, val);
-}
-
 #endif /* _PSERIES_PLPAR_WRAPPERS_H */
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 6562ff4b0a82..fbd214d68b07 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -48,7 +48,7 @@
 #include <asm/ptrace.h>
 #include <asm/machdep.h>
 #include <asm/rtas.h>
-#include <asm/ppcdebug.h>
+#include <asm/udbg.h>
 
 static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX];
 static DEFINE_SPINLOCK(ras_log_buf_lock);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 65bee939eecc..e78c39368841 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -65,6 +65,7 @@
 #include <asm/ppc-pci.h>
 #include <asm/i8259.h>
 #include <asm/udbg.h>
+#include <asm/smp.h>
 
 #include "plpar_wrappers.h"
 
@@ -353,14 +354,15 @@ static void pSeries_mach_cpu_die(void)
 
 static int pseries_set_dabr(unsigned long dabr)
 {
-        if (firmware_has_feature(FW_FEATURE_XDABR)) {
-                /* We want to catch accesses from kernel and userspace */
-                return plpar_set_xdabr(dabr, H_DABRX_KERNEL | H_DABRX_USER);
-        }
-
-        return plpar_set_dabr(dabr);
+        return plpar_hcall_norets(H_SET_DABR, dabr);
 }
 
+static int pseries_set_xdabr(unsigned long dabr)
+{
+        /* We want to catch accesses from kernel and userspace */
+        return plpar_hcall_norets(H_SET_XDABR, dabr,
+                        H_DABRX_KERNEL | H_DABRX_USER);
+}
 
 /*
  * Early initialization.  Relocation is on but do not reference unbolted pages
@@ -396,8 +398,10 @@ static void __init pSeries_init_early(void)
                 DBG("Hello World !\n");
         }
 
-        if (firmware_has_feature(FW_FEATURE_XDABR | FW_FEATURE_DABR))
+        if (firmware_has_feature(FW_FEATURE_DABR))
                 ppc_md.set_dabr = pseries_set_dabr;
+        else if (firmware_has_feature(FW_FEATURE_XDABR))
+                ppc_md.set_dabr = pseries_set_xdabr;
 
         iommu_init_early_pSeries();
 
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 90bce6e0c191..b7ac32fdd776 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -207,6 +207,9 @@ void __init i8259_init(unsigned long intack_addr, int offset)
 
         spin_unlock_irqrestore(&i8259_lock, flags);
 
+        for (i = 0; i < NUM_ISA_INTERRUPTS; ++i)
+                irq_desc[offset + i].handler = &i8259_pic;
+
         /* reserve our resources */
         setup_irq(offset + 2, &i8259_irqaction);
         request_resource(&ioport_resource, &pic1_iores);
@@ -216,6 +219,4 @@ void __init i8259_init(unsigned long intack_addr, int offset)
         if (intack_addr != 0)
                 pci_intack = ioremap(intack_addr, 1);
 
-        for (i = 0; i < NUM_ISA_INTERRUPTS; ++i)
-                irq_desc[offset + i].handler = &i8259_pic;
 }
diff --git a/arch/powerpc/sysdev/u3_iommu.c b/arch/powerpc/sysdev/u3_iommu.c
index 607722178c1a..543d65909812 100644
--- a/arch/powerpc/sysdev/u3_iommu.c
+++ b/arch/powerpc/sysdev/u3_iommu.c
@@ -37,7 +37,6 @@
 #include <linux/vmalloc.h>
 #include <asm/io.h>
 #include <asm/prom.h>
-#include <asm/ppcdebug.h>
 #include <asm/iommu.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 3056ede2424d..ae6af29938a1 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -25,6 +25,11 @@
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
 
+#ifdef CONFIG_8xx
+#define ISYNC_8xx isync
+#else
+#define ISYNC_8xx
+#endif
         .text
 
         .align  5
@@ -800,8 +805,18 @@ _GLOBAL(_insb)
         subi    r4,r4,1
         blelr-
 00:     lbz     r5,0(r3)
-        eieio
-        stbu    r5,1(r4)
+01:     eieio
+02:     stbu    r5,1(r4)
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -811,8 +826,18 @@ _GLOBAL(_outsb)
         subi    r4,r4,1
         blelr-
 00:     lbzu    r5,1(r4)
-        stb     r5,0(r3)
-        eieio
+01:     stb     r5,0(r3)
+02:     eieio
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -822,8 +847,18 @@ _GLOBAL(_insw)
         subi    r4,r4,2
         blelr-
 00:     lhbrx   r5,0,r3
-        eieio
-        sthu    r5,2(r4)
+01:     eieio
+02:     sthu    r5,2(r4)
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -833,8 +868,18 @@ _GLOBAL(_outsw)
         subi    r4,r4,2
         blelr-
 00:     lhzu    r5,2(r4)
-        eieio
-        sthbrx  r5,0,r3
+01:     eieio
+02:     sthbrx  r5,0,r3
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -844,8 +889,18 @@ _GLOBAL(_insl)
         subi    r4,r4,4
         blelr-
 00:     lwbrx   r5,0,r3
-        eieio
-        stwu    r5,4(r4)
+01:     eieio
+02:     stwu    r5,4(r4)
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -855,8 +910,18 @@ _GLOBAL(_outsl)
         subi    r4,r4,4
         blelr-
 00:     lwzu    r5,4(r4)
-        stwbrx  r5,0,r3
-        eieio
+01:     stwbrx  r5,0,r3
+02:     eieio
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -867,8 +932,18 @@ _GLOBAL(_insw_ns)
         subi    r4,r4,2
         blelr-
 00:     lhz     r5,0(r3)
-        eieio
-        sthu    r5,2(r4)
+01:     eieio
+02:     sthu    r5,2(r4)
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -879,8 +954,18 @@ _GLOBAL(_outsw_ns)
         subi    r4,r4,2
         blelr-
 00:     lhzu    r5,2(r4)
-        sth     r5,0(r3)
-        eieio
+01:     sth     r5,0(r3)
+02:     eieio
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -891,8 +976,18 @@ _GLOBAL(_insl_ns)
         subi    r4,r4,4
         blelr-
 00:     lwz     r5,0(r3)
-        eieio
-        stwu    r5,4(r4)
+01:     eieio
+02:     stwu    r5,4(r4)
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
@@ -903,8 +998,18 @@ _GLOBAL(_outsl_ns)
         subi    r4,r4,4
         blelr-
 00:     lwzu    r5,4(r4)
-        stw     r5,0(r3)
-        eieio
+01:     stw     r5,0(r3)
+02:     eieio
+        ISYNC_8xx
+        .section .fixup,"ax"
+03:     blr
+        .text
+        .section __ex_table, "a"
+                .align 2
+                .long 00b, 03b
+                .long 01b, 03b
+                .long 02b, 03b
+        .text
         bdnz    00b
         blr
 
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 16adde6b429d..42d980e82bdc 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -159,7 +159,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
  */
 static inline int check_io_access(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC_PMAC
+#if defined CONFIG_PPC_PMAC || defined CONFIG_8xx
         unsigned long msr = regs->msr;
         const struct exception_table_entry *entry;
         unsigned int *nip = (unsigned int *)regs->nip;
@@ -178,7 +178,11 @@ static inline int check_io_access(struct pt_regs *regs)
                         nip -= 2;
                 else if (*nip == 0x4c00012c)    /* isync */
                         --nip;
-                if (*nip == 0x7c0004ac || (*nip >> 26) == 3) {
+                /* eieio from I/O string functions */
+                else if ((*nip) == 0x7c0006ac || *(nip+1) == 0x7c0006ac)
+                        nip += 2;
+                if (*nip == 0x7c0004ac || (*nip >> 26) == 3 ||
+                        (*(nip+1) >> 26) == 3) {
                         /* sync or twi */
                         unsigned int rb;
 
diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
index c5ac5ce5d7d2..a21632d37e5a 100644
--- a/arch/ppc/syslib/m8xx_wdt.c
+++ b/arch/ppc/syslib/m8xx_wdt.c
@@ -14,6 +14,7 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <asm/io.h>
 #include <asm/8xx_immap.h>
 #include <syslib/m8xx_wdt.h>
 
@@ -29,8 +30,8 @@ void m8xx_wdt_reset(void)
 {
         volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
 
-        out_be16(imap->im_siu_conf.sc_swsr, 0x556c);    /* write magic1 */
-        out_be16(imap->im_siu_conf.sc_swsr, 0xaa39);    /* write magic2 */
+        out_be16(&imap->im_siu_conf.sc_swsr, 0x556c);   /* write magic1 */
+        out_be16(&imap->im_siu_conf.sc_swsr, 0xaa39);   /* write magic2 */
 }
 
 static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
@@ -39,7 +40,7 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
 
         m8xx_wdt_reset();
 
-        out_be16(imap->im_sit.sit_piscr, in_be16(imap->im_sit.sit_piscr | PISCR_PS));   /* clear irq */
+        out_be16(&imap->im_sit.sit_piscr, in_be16(&imap->im_sit.sit_piscr) | PISCR_PS); /* clear irq */
 
         return IRQ_HANDLED;
 }
@@ -51,7 +52,7 @@ void __init m8xx_wdt_handler_install(bd_t * binfo)
         u32 sypcr;
         u32 pitrtclk;
 
-        sypcr = in_be32(imap->im_siu_conf.sc_sypcr);
+        sypcr = in_be32(&imap->im_siu_conf.sc_sypcr);
 
         if (!(sypcr & 0x04)) {
                 printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n",
@@ -87,9 +88,9 @@ void __init m8xx_wdt_handler_install(bd_t * binfo)
         else
                 pitc = pitrtclk * wdt_timeout / binfo->bi_intfreq / 2;
 
-        out_be32(imap->im_sit.sit_pitc, pitc << 16);
+        out_be32(&imap->im_sit.sit_pitc, pitc << 16);
 
-        out_be16(imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE);
+        out_be16(&imap->im_sit.sit_piscr, (mk_int_int_mask(PIT_INTERRUPT) << 8) | PISCR_PIE | PISCR_PTE);
 
         if (setup_irq(PIT_INTERRUPT, &m8xx_wdt_irqaction))
                 panic("m8xx_wdt: error setting up the watchdog irq!");
diff --git a/arch/ppc64/Kconfig.debug b/arch/ppc64/Kconfig.debug
index f16a5030527b..b258c9314a1b 100644
--- a/arch/ppc64/Kconfig.debug
+++ b/arch/ppc64/Kconfig.debug
@@ -55,10 +55,6 @@ config XMON_DEFAULT
           xmon is normally disabled unless booted with 'xmon=on'.
           Use 'xmon=off' to disable xmon init during runtime.
 
-config PPCDBG
-        bool "Include PPCDBG realtime debugging"
-        depends on DEBUG_KERNEL
-
 config IRQSTACKS
         bool "Use separate kernel stacks when processing interrupts"
         help
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 8abd2ad92832..8fec27469802 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -28,6 +28,7 @@
 #include <asm/time.h>
 #include <asm/systemcfg.h>
 #include <asm/machdep.h>
+#include <asm/smp.h>
 
 extern void power4_idle(void);
 
diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c
index ff8679f260f3..07ea03598c00 100644
--- a/arch/ppc64/kernel/machine_kexec.c
+++ b/arch/ppc64/kernel/machine_kexec.c
@@ -24,6 +24,7 @@
 #include <asm/mmu.h>
 #include <asm/sections.h>       /* _end */
 #include <asm/prom.h>
+#include <asm/smp.h>
 
 #define HASH_GROUP_SIZE 0x80    /* size of each hash group, asm/mmu.h */
 
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 3d2106b022a1..30247ff74972 100644
--- a/arch/ppc64/kernel/pci.c
+++ b/arch/ppc64/kernel/pci.c
@@ -295,8 +295,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev)
         }
 }
 
-static struct pci_dev *of_create_pci_dev(struct device_node *node,
-                                         struct pci_bus *bus, int devfn)
+struct pci_dev *of_create_pci_dev(struct device_node *node,
+                                 struct pci_bus *bus, int devfn)
 {
         struct pci_dev *dev;
         const char *type;
@@ -354,10 +354,9 @@ static struct pci_dev *of_create_pci_dev(struct device_node *node,
 
         return dev;
 }
+EXPORT_SYMBOL(of_create_pci_dev);
 
-static void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev);
-
-static void __devinit of_scan_bus(struct device_node *node,
+void __devinit of_scan_bus(struct device_node *node,
                                   struct pci_bus *bus)
 {
         struct device_node *child = NULL;
@@ -381,9 +380,10 @@ static void __devinit of_scan_bus(struct device_node *node,
 
         do_bus_setup(bus);
 }
+EXPORT_SYMBOL(of_scan_bus);
 
-static void __devinit of_scan_pci_bridge(struct device_node *node,
-                                         struct pci_dev *dev)
+void __devinit of_scan_pci_bridge(struct device_node *node,
+                                struct pci_dev *dev)
 {
         struct pci_bus *bus;
         u32 *busrange, *ranges;
@@ -464,9 +464,10 @@ static void __devinit of_scan_pci_bridge(struct device_node *node,
         else if (mode == PCI_PROBE_NORMAL)
                 pci_scan_child_bus(bus);
 }
+EXPORT_SYMBOL(of_scan_pci_bridge);
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
-static void __devinit scan_phb(struct pci_controller *hose)
+void __devinit scan_phb(struct pci_controller *hose)
 {
         struct pci_bus *bus;
         struct device_node *node = hose->arch_data;
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c
index dece31e58bc4..0e8961dea3bc 100644
--- a/arch/ppc64/kernel/prom.c
+++ b/arch/ppc64/kernel/prom.c
@@ -46,7 +46,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci.h>
 #include <asm/iommu.h>
-#include <asm/ppcdebug.h>
 #include <asm/btext.h>
 #include <asm/sections.h>
 #include <asm/machdep.h>
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index a4bbca6dbb8b..e72b3f9061f0 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -44,7 +44,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci.h>
 #include <asm/iommu.h>
-#include <asm/ppcdebug.h>
 #include <asm/btext.h>
 #include <asm/sections.h>
 #include <asm/machdep.h>
diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 3ad15c90fbbd..3c3f19192fcc 100644
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -440,7 +440,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
         struct device_node *root = of_find_node_by_path("/");
         unsigned int root_size_cells = 0;
         struct pci_controller *phb;
-        struct pci_bus *bus;
         int primary;
 
         root_size_cells = prom_n_size_cells(root);
@@ -456,10 +455,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
         of_node_put(root);
 
         pci_devs_phb_init_dynamic(phb);
-        phb->last_busno = 0xff;
-        bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data);
-        phb->bus = bus;
-        phb->last_busno = bus->subordinate;
+        scan_phb(phb);
 
         return phb;
 }
diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c
index d49c3613c8ec..0d878e72fc44 100644
--- a/arch/ppc64/kernel/udbg.c
+++ b/arch/ppc64/kernel/udbg.c
@@ -10,12 +10,10 @@
  */
 
 #include <stdarg.h>
-#define WANT_PPCDBG_TAB /* Only defined here */
 #include <linux/config.h>
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/console.h>
-#include <asm/ppcdebug.h>
 #include <asm/processor.h>
 
 void (*udbg_putc)(unsigned char c);
@@ -89,59 +87,6 @@ void udbg_printf(const char *fmt, ...)
         va_end(args);
 }
 
-/* PPCDBG stuff */
-
-u64 ppc64_debug_switch;
-
-/* Special print used by PPCDBG() macro */
-void udbg_ppcdbg(unsigned long debug_flags, const char *fmt, ...)
-{
-        unsigned long active_debugs = debug_flags & ppc64_debug_switch;
-
-        if (active_debugs) {
-                va_list ap;
-                unsigned char buf[UDBG_BUFSIZE];
-                unsigned long i, len = 0;
-
-                for (i=0; i < PPCDBG_NUM_FLAGS; i++) {
-                        if (((1U << i) & active_debugs) && 
-                            trace_names[i]) {
-                                len += strlen(trace_names[i]); 
-                                udbg_puts(trace_names[i]);
-                                break;
-                        }
-                }
-
-                snprintf(buf, UDBG_BUFSIZE, " [%s]: ", current->comm);
-                len += strlen(buf); 
-                udbg_puts(buf);
-
-                while (len < 18) {
-                        udbg_puts(" ");
-                        len++;
-                }
-
-                va_start(ap, fmt);
-                vsnprintf(buf, UDBG_BUFSIZE, fmt, ap);
-                udbg_puts(buf);
-                va_end(ap);
-        }
-}
-
-unsigned long udbg_ifdebug(unsigned long flags)
-{
-        return (flags & ppc64_debug_switch);
-}
-
-/*
- * Initialize the PPCDBG state.  Called before relocation has been enabled.
- */
-void __init ppcdbg_initialize(void)
-{
-        ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */
-        /* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */;
-}
-
 /*
  * Early boot console based on udbg
  */