Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/cell-2.6 into for-2.6.25

14 files changed, 170 insertions, 75 deletions

diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index bb6bff51ce4..13929771bee 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -61,7 +61,7 @@ static unsigned int spu_cycle_reset;
 #define NUM_THREADS 2         /* number of physical threads in
                                * physical processor
                                */
-#define NUM_TRACE_BUS_WORDS 4
+#define NUM_DEBUG_BUS_WORDS 4
 #define NUM_INPUT_BUS_WORDS 2
 
 #define MAX_SPU_COUNT 0xFFFFFF  /* maximum 24 bit LFSR value */
@@ -169,7 +169,6 @@ static DEFINE_SPINLOCK(virt_cntr_lock);
 
 static u32 ctr_enabled;
 
-static unsigned char trace_bus[NUM_TRACE_BUS_WORDS];
 static unsigned char input_bus[NUM_INPUT_BUS_WORDS];
 
 /*
@@ -298,7 +297,7 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask)
 
         p->signal_group = event / 100;
         p->bus_word = bus_word;
-        p->sub_unit = (unit_mask & 0x0000f000) >> 12;
+        p->sub_unit = GET_SUB_UNIT(unit_mask);
 
         pm_regs.pm07_cntrl[ctr] = 0;
         pm_regs.pm07_cntrl[ctr] |= PM07_CTR_COUNT_CYCLES(count_cycles);
@@ -334,16 +333,16 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask)
                 p->bit = signal_bit;
         }
 
-        for (i = 0; i < NUM_TRACE_BUS_WORDS; i++) {
+        for (i = 0; i < NUM_DEBUG_BUS_WORDS; i++) {
                 if (bus_word & (1 << i)) {
                         pm_regs.debug_bus_control |=
-                            (bus_type << (31 - (2 * i) + 1));
+                            (bus_type << (30 - (2 * i)));
 
                         for (j = 0; j < NUM_INPUT_BUS_WORDS; j++) {
                                 if (input_bus[j] == 0xff) {
                                         input_bus[j] = i;
                                         pm_regs.group_control |=
-                                            (i << (31 - i));
+                                            (i << (30 - (2 * j)));
 
                                         break;
                                 }
@@ -450,6 +449,12 @@ static void cell_virtual_cntr(unsigned long data)
         hdw_thread = 1 ^ hdw_thread;
         next_hdw_thread = hdw_thread;
 
+        pm_regs.group_control = 0;
+        pm_regs.debug_bus_control = 0;
+
+        for (i = 0; i < NUM_INPUT_BUS_WORDS; i++)
+                input_bus[i] = 0xff;
+
         /*
          * There are some per thread events.  Must do the
          * set event, for the thread that is being started
@@ -619,9 +624,6 @@ static int cell_reg_setup(struct op_counter_config *ctr,
                 pmc_cntrl[1][i].vcntr = i;
         }
 
-        for (i = 0; i < NUM_TRACE_BUS_WORDS; i++)
-                trace_bus[i] = 0xff;
-
         for (i = 0; i < NUM_INPUT_BUS_WORDS; i++)
                 input_bus[i] = 0xff;
 
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c
index 13d5a87f13b..ec7c8f45a21 100644
--- a/arch/powerpc/platforms/cell/cbe_cpufreq.c
+++ b/arch/powerpc/platforms/cell/cbe_cpufreq.c
@@ -21,8 +21,9 @@
  */
 
 #include <linux/cpufreq.h>
+#include <linux/of_platform.h>
+
 #include <asm/machdep.h>
-#include <asm/of_platform.h>
 #include <asm/prom.h>
 #include <asm/cell-regs.h>
 #include "cbe_cpufreq.h"
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
index 6a2c1b0a9a9..69288f65314 100644
--- a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
+++ b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
@@ -23,7 +23,8 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/timer.h>
-#include <asm/of_platform.h>
+#include <linux/of_platform.h>
+
 #include <asm/processor.h>
 #include <asm/prom.h>
 #include <asm/pmi.h>
diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c
index 16a9b07e7b0..a839c6cf344 100644
--- a/arch/powerpc/platforms/cell/cbe_regs.c
+++ b/arch/powerpc/platforms/cell/cbe_regs.c
@@ -9,13 +9,13 @@
 #include <linux/percpu.h>
 #include <linux/types.h>
 #include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/prom.h>
 #include <asm/ptrace.h>
-#include <asm/of_device.h>
-#include <asm/of_platform.h>
 #include <asm/cell-regs.h>
 
 /*
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index b465494cc24..39fa2149fd0 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -26,13 +26,13 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
+#include <linux/of_platform.h>
 
 #include <asm/prom.h>
 #include <asm/iommu.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
 #include <asm/udbg.h>
-#include <asm/of_platform.h>
 #include <asm/lmb.h>
 #include <asm/firmware.h>
 #include <asm/cell-regs.h>
diff --git a/arch/powerpc/platforms/cell/pmu.c b/arch/powerpc/platforms/cell/pmu.c
index 1ed30367888..99d688e88cb 100644
--- a/arch/powerpc/platforms/cell/pmu.c
+++ b/arch/powerpc/platforms/cell/pmu.c
@@ -213,7 +213,7 @@ u32 cbe_read_pm(u32 cpu, enum pm_reg_name reg)
                 break;
 
         case pm_interval:
-                READ_SHADOW_REG(val, pm_interval);
+                READ_MMIO_UPPER32(val, pm_interval);
                 break;
 
         case pm_start_stop:
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 6a56b6474f5..7f42b7d0adc 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -30,6 +30,7 @@
 #include <linux/console.h>
 #include <linux/mutex.h>
 #include <linux/memory_hotplug.h>
+#include <linux/of_platform.h>
 
 #include <asm/mmu.h>
 #include <asm/processor.h>
@@ -51,7 +52,6 @@
 #include <asm/spu_priv1.h>
 #include <asm/udbg.h>
 #include <asm/mpic.h>
-#include <asm/of_platform.h>
 #include <asm/cell-regs.h>
 
 #include "interrupt.h"
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index c83c3e3f517..f73263ba984 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -34,6 +34,7 @@
 #include <linux/linux_logo.h>
 #include <asm/spu.h>
 #include <asm/spu_priv1.h>
+#include <asm/spu_csa.h>
 #include <asm/xmon.h>
 #include <asm/prom.h>
 
@@ -47,6 +48,13 @@ struct cbe_spu_info cbe_spu_info[MAX_NUMNODES];
 EXPORT_SYMBOL_GPL(cbe_spu_info);
 
 /*
+ * The spufs fault-handling code needs to call force_sig_info to raise signals
+ * on DMA errors. Export it here to avoid general kernel-wide access to this
+ * function
+ */
+EXPORT_SYMBOL_GPL(force_sig_info);
+
+/*
  * Protects cbe_spu_info and spu->number.
  */
 static DEFINE_SPINLOCK(spu_lock);
@@ -66,6 +74,10 @@ static LIST_HEAD(spu_full_list);
 static DEFINE_SPINLOCK(spu_full_list_lock);
 static DEFINE_MUTEX(spu_full_list_mutex);
 
+struct spu_slb {
+        u64 esid, vsid;
+};
+
 void spu_invalidate_slbs(struct spu *spu)
 {
         struct spu_priv2 __iomem *priv2 = spu->priv2;
@@ -114,6 +126,12 @@ void spu_associate_mm(struct spu *spu, struct mm_struct *mm)
 }
 EXPORT_SYMBOL_GPL(spu_associate_mm);
 
+int spu_64k_pages_available(void)
+{
+        return mmu_psize_defs[MMU_PAGE_64K].shift != 0;
+}
+EXPORT_SYMBOL_GPL(spu_64k_pages_available);
+
 static int __spu_trap_invalid_dma(struct spu *spu)
 {
         pr_debug("%s\n", __FUNCTION__);
@@ -143,11 +161,22 @@ static void spu_restart_dma(struct spu *spu)
                 out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESTART_DMA_COMMAND);
 }
 
-static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
+static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb)
 {
         struct spu_priv2 __iomem *priv2 = spu->priv2;
+
+        pr_debug("%s: adding SLB[%d] 0x%016lx 0x%016lx\n",
+                        __func__, slbe, slb->vsid, slb->esid);
+
+        out_be64(&priv2->slb_index_W, slbe);
+        out_be64(&priv2->slb_vsid_RW, slb->vsid);
+        out_be64(&priv2->slb_esid_RW, slb->esid);
+}
+
+static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
+{
         struct mm_struct *mm = spu->mm;
-        u64 esid, vsid, llp;
+        struct spu_slb slb;
         int psize;
 
         pr_debug("%s\n", __FUNCTION__);
@@ -159,7 +188,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
                 printk("%s: invalid access during switch!\n", __func__);
                 return 1;
         }
-        esid = (ea & ESID_MASK) | SLB_ESID_V;
+        slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
 
         switch(REGION_ID(ea)) {
         case USER_REGION_ID:
@@ -168,21 +197,21 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 #else
                 psize = mm->context.user_psize;
 #endif
-                vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                                SLB_VSID_USER;
+                slb.vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_USER;
                 break;
         case VMALLOC_REGION_ID:
                 if (ea < VMALLOC_END)
                         psize = mmu_vmalloc_psize;
                 else
                         psize = mmu_io_psize;
-                vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                        SLB_VSID_KERNEL;
+                slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
                 break;
         case KERNEL_REGION_ID:
                 psize = mmu_linear_psize;
-                vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                        SLB_VSID_KERNEL;
+                slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
                 break;
         default:
                 /* Future: support kernel segments so that drivers
@@ -191,11 +220,9 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
                 pr_debug("invalid region access at %016lx\n", ea);
                 return 1;
         }
-        llp = mmu_psize_defs[psize].sllp;
+        slb.vsid |= mmu_psize_defs[psize].sllp;
 
-        out_be64(&priv2->slb_index_W, spu->slb_replace);
-        out_be64(&priv2->slb_vsid_RW, vsid | llp);
-        out_be64(&priv2->slb_esid_RW, esid);
+        spu_load_slb(spu, spu->slb_replace, &slb);
 
         spu->slb_replace++;
         if (spu->slb_replace >= 8)
@@ -232,6 +259,74 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
         return 0;
 }
 
+static void __spu_kernel_slb(void *addr, struct spu_slb *slb)
+{
+        unsigned long ea = (unsigned long)addr;
+        u64 llp;
+
+        if (REGION_ID(ea) == KERNEL_REGION_ID)
+                llp = mmu_psize_defs[mmu_linear_psize].sllp;
+        else
+                llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+
+        slb->vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
+                SLB_VSID_KERNEL | llp;
+        slb->esid = (ea & ESID_MASK) | SLB_ESID_V;
+}
+
+/**
+ * Given an array of @nr_slbs SLB entries, @slbs, return non-zero if the
+ * address @new_addr is present.
+ */
+static inline int __slb_present(struct spu_slb *slbs, int nr_slbs,
+                void *new_addr)
+{
+        unsigned long ea = (unsigned long)new_addr;
+        int i;
+
+        for (i = 0; i < nr_slbs; i++)
+                if (!((slbs[i].esid ^ ea) & ESID_MASK))
+                        return 1;
+
+        return 0;
+}
+
+/**
+ * Setup the SPU kernel SLBs, in preparation for a context save/restore. We
+ * need to map both the context save area, and the save/restore code.
+ *
+ * Because the lscsa and code may cross segment boundaires, we check to see
+ * if mappings are required for the start and end of each range. We currently
+ * assume that the mappings are smaller that one segment - if not, something
+ * is seriously wrong.
+ */
+void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
+                void *code, int code_size)
+{
+        struct spu_slb slbs[4];
+        int i, nr_slbs = 0;
+        /* start and end addresses of both mappings */
+        void *addrs[] = {
+                lscsa, (void *)lscsa + sizeof(*lscsa) - 1,
+                code, code + code_size - 1
+        };
+
+        /* check the set of addresses, and create a new entry in the slbs array
+         * if there isn't already a SLB for that address */
+        for (i = 0; i < ARRAY_SIZE(addrs); i++) {
+                if (__slb_present(slbs, nr_slbs, addrs[i]))
+                        continue;
+
+                __spu_kernel_slb(addrs[i], &slbs[nr_slbs]);
+                nr_slbs++;
+        }
+
+        /* Add the set of SLBs */
+        for (i = 0; i < nr_slbs; i++)
+                spu_load_slb(spu, i, &slbs[i]);
+}
+EXPORT_SYMBOL_GPL(spu_setup_kernel_slbs);
+
 static irqreturn_t
 spu_irq_class_0(int irq, void *data)
 {
@@ -479,13 +574,27 @@ EXPORT_SYMBOL_GPL(spu_add_sysdev_attr);
 int spu_add_sysdev_attr_group(struct attribute_group *attrs)
 {
         struct spu *spu;
+        int rc = 0;
 
         mutex_lock(&spu_full_list_mutex);
-        list_for_each_entry(spu, &spu_full_list, full_list)
-                sysfs_create_group(&spu->sysdev.kobj, attrs);
+        list_for_each_entry(spu, &spu_full_list, full_list) {
+                rc = sysfs_create_group(&spu->sysdev.kobj, attrs);
+
+                /* we're in trouble here, but try unwinding anyway */
+                if (rc) {
+                        printk(KERN_ERR "%s: can't create sysfs group '%s'\n",
+                                        __func__, attrs->name);
+
+                        list_for_each_entry_continue_reverse(spu,
+                                        &spu_full_list, full_list)
+                                sysfs_remove_group(&spu->sysdev.kobj, attrs);
+                        break;
+                }
+        }
+
         mutex_unlock(&spu_full_list_mutex);
 
-        return 0;
+        return rc;
 }
 EXPORT_SYMBOL_GPL(spu_add_sysdev_attr_group);
 
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index 1b010707488..9979197ff40 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -345,7 +345,7 @@ static int __init of_create_spu(struct spu *spu, void *data)
                 }
                 ret = spu_map_interrupts_old(spu, spe);
                 if (ret) {
-                        printk(KERN_ERR "%s: could not map interrupts",
+                        printk(KERN_ERR "%s: could not map interrupts\n",
                                 spu->name);
                         goto out_unmap;
                 }
@@ -411,10 +411,15 @@ static void init_affinity_qs20_harcoded(void)
 
 static int of_has_vicinity(void)
 {
-        struct spu* spu;
+        struct device_node *dn;
 
-        spu = list_first_entry(&cbe_spu_info[0].spus, struct spu, cbe_list);
-        return of_find_property(spu_devnode(spu), "vicinity", NULL) != NULL;
+        for_each_node_by_type(dn, "spe") {
+                if (of_find_property(dn, "vicinity", NULL))  {
+                        of_node_put(dn);
+                        return 1;
+                }
+        }
+        return 0;
 }
 
 static struct spu *devnode_spu(int cbe, struct device_node *dn)
@@ -525,7 +530,7 @@ static int __init init_affinity(void)
                 if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
                         init_affinity_qs20_harcoded();
                 else
-                        printk("No affinity configuration found");
+                        printk("No affinity configuration found\n");
         }
 
         return 0;
diff --git a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
index f4b3c052dab..d606e575a20 100644
--- a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
+++ b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
@@ -73,7 +73,7 @@ int spu_alloc_lscsa(struct spu_state *csa)
         int             i, j, n_4k;
 
         /* Check availability of 64K pages */
-        if (mmu_psize_defs[MMU_PAGE_64K].shift == 0)
+        if (!spu_64k_pages_available())
                 goto fail;
 
         csa->use_big_pages = 1;
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 3d64c81cc6e..8cbc6574820 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -691,35 +691,9 @@ static inline void resume_mfc_queue(struct spu_state *csa, struct spu *spu)
         out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESUME_DMA_QUEUE);
 }
 
-static inline void get_kernel_slb(u64 ea, u64 slb[2])
+static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu,
+                unsigned int *code, int code_size)
 {
-        u64 llp;
-
-        if (REGION_ID(ea) == KERNEL_REGION_ID)
-                llp = mmu_psize_defs[mmu_linear_psize].sllp;
-        else
-                llp = mmu_psize_defs[mmu_virtual_psize].sllp;
-        slb[0] = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                SLB_VSID_KERNEL | llp;
-        slb[1] = (ea & ESID_MASK) | SLB_ESID_V;
-}
-
-static inline void load_mfc_slb(struct spu *spu, u64 slb[2], int slbe)
-{
-        struct spu_priv2 __iomem *priv2 = spu->priv2;
-
-        out_be64(&priv2->slb_index_W, slbe);
-        eieio();
-        out_be64(&priv2->slb_vsid_RW, slb[0]);
-        out_be64(&priv2->slb_esid_RW, slb[1]);
-        eieio();
-}
-
-static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu)
-{
-        u64 code_slb[2];
-        u64 lscsa_slb[2];
-
         /* Save, Step 47:
          * Restore, Step 30.
          *     If MFC_SR1[R]=1, write 0 to SLB_Invalidate_All
@@ -735,11 +709,7 @@ static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu)
          *     translation is desired by OS environment).
          */
         spu_invalidate_slbs(spu);
-        get_kernel_slb((unsigned long)&spu_save_code[0], code_slb);
-        get_kernel_slb((unsigned long)csa->lscsa, lscsa_slb);
-        load_mfc_slb(spu, code_slb, 0);
-        if ((lscsa_slb[0] != code_slb[0]) || (lscsa_slb[1] != code_slb[1]))
-                load_mfc_slb(spu, lscsa_slb, 1);
+        spu_setup_kernel_slbs(spu, csa->lscsa, code, code_size);
 }
 
 static inline void set_switch_active(struct spu_state *csa, struct spu *spu)
@@ -1866,7 +1836,8 @@ static void save_lscsa(struct spu_state *prev, struct spu *spu)
          */
 
         resume_mfc_queue(prev, spu);    /* Step 46. */
-        setup_mfc_slbs(prev, spu);      /* Step 47. */
+        /* Step 47. */
+        setup_mfc_slbs(prev, spu, spu_save_code, sizeof(spu_save_code));
         set_switch_active(prev, spu);   /* Step 48. */
         enable_interrupts(prev, spu);   /* Step 49. */
         save_ls_16kb(prev, spu);        /* Step 50. */
@@ -1971,7 +1942,8 @@ static void restore_lscsa(struct spu_state *next, struct spu *spu)
         setup_spu_status_part1(next, spu);      /* Step 27. */
         setup_spu_status_part2(next, spu);      /* Step 28. */
         restore_mfc_rag(next, spu);             /* Step 29. */
-        setup_mfc_slbs(next, spu);              /* Step 30. */
+        /* Step 30. */
+        setup_mfc_slbs(next, spu, spu_restore_code, sizeof(spu_restore_code));
         set_spu_npc(next, spu);                 /* Step 31. */
         set_signot1(next, spu);                 /* Step 32. */
         set_signot2(next, spu);                 /* Step 33. */
diff --git a/arch/powerpc/platforms/celleb/iommu.c b/arch/powerpc/platforms/celleb/iommu.c
index 287450a07c4..61df97f4e1a 100644
--- a/arch/powerpc/platforms/celleb/iommu.c
+++ b/arch/powerpc/platforms/celleb/iommu.c
@@ -22,8 +22,8 @@
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
 #include <linux/pci.h>
+#include <linux/of_platform.h>
 
-#include <asm/of_platform.h>
 #include <asm/firmware.h>
 
 #include "beat_wrapper.h"
diff --git a/arch/powerpc/platforms/celleb/setup.c b/arch/powerpc/platforms/celleb/setup.c
index 5a3f73478f4..8b03a1bdc79 100644
--- a/arch/powerpc/platforms/celleb/setup.c
+++ b/arch/powerpc/platforms/celleb/setup.c
@@ -40,6 +40,7 @@
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/console.h>
+#include <linux/of_platform.h>
 
 #include <asm/mmu.h>
 #include <asm/processor.h>
@@ -52,7 +53,6 @@
 #include <asm/time.h>
 #include <asm/spu_priv1.h>
 #include <asm/firmware.h>
-#include <asm/of_platform.h>
 #include <asm/rtas.h>
 #include <asm/cell-regs.h>
 
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index b1accce77bb..314aad357d9 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -104,6 +104,7 @@
 
 struct spu_context;
 struct spu_runqueue;
+struct spu_lscsa;
 struct device_node;
 
 enum spu_utilization_state {
@@ -200,6 +201,9 @@ int spu_irq_class_0_bottom(struct spu *spu);
 int spu_irq_class_1_bottom(struct spu *spu);
 void spu_irq_setaffinity(struct spu *spu, int cpu);
 
+void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
+                void *code, int code_size);
+
 #ifdef CONFIG_KEXEC
 void crash_register_spus(struct list_head *list);
 #else
@@ -210,6 +214,7 @@ static inline void crash_register_spus(struct list_head *list)
 
 extern void spu_invalidate_slbs(struct spu *spu);
 extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
+int spu_64k_pages_available(void);
 
 /* Calls from the memory management to the SPU */
 struct mm_struct;