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-rw-r--r--arch/arm/include/asm/cp15.h14
-rw-r--r--arch/arm/include/asm/delay.h2
-rw-r--r--arch/arm/include/asm/glue-cache.h8
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h2
-rw-r--r--arch/arm/include/asm/highmem.h7
-rw-r--r--arch/arm/include/asm/irq.h5
-rw-r--r--arch/arm/include/asm/mach/arch.h5
-rw-r--r--arch/arm/include/asm/mach/irq.h36
-rw-r--r--arch/arm/include/asm/mmu_context.h2
-rw-r--r--arch/arm/include/asm/pgtable-3level.h2
-rw-r--r--arch/arm/include/asm/pmu.h12
-rw-r--r--arch/arm/include/asm/psci.h12
-rw-r--r--arch/arm/include/asm/tlbflush.h26
-rw-r--r--arch/arm/include/asm/topology.h34
14 files changed, 111 insertions, 56 deletions
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
index 1f3262e99d8..cedd3721318 100644
--- a/arch/arm/include/asm/cp15.h
+++ b/arch/arm/include/asm/cp15.h
@@ -61,6 +61,20 @@ static inline void set_cr(unsigned int val)
isb();
}
+static inline unsigned int get_auxcr(void)
+{
+ unsigned int val;
+ asm("mrc p15, 0, %0, c1, c0, 1 @ get AUXCR" : "=r" (val));
+ return val;
+}
+
+static inline void set_auxcr(unsigned int val)
+{
+ asm volatile("mcr p15, 0, %0, c1, c0, 1 @ set AUXCR"
+ : : "r" (val));
+ isb();
+}
+
#ifndef CONFIG_SMP
extern void adjust_cr(unsigned long mask, unsigned long set);
#endif
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index 720799fd3a8..dff714d886d 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -24,7 +24,7 @@ extern struct arm_delay_ops {
void (*delay)(unsigned long);
void (*const_udelay)(unsigned long);
void (*udelay)(unsigned long);
- bool const_clock;
+ unsigned long ticks_per_jiffy;
} arm_delay_ops;
#define __delay(n) arm_delay_ops.delay(n)
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h
index cca9f15704e..ea289e1435e 100644
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -19,14 +19,6 @@
#undef _CACHE
#undef MULTI_CACHE
-#if defined(CONFIG_CPU_CACHE_V3)
-# ifdef _CACHE
-# define MULTI_CACHE 1
-# else
-# define _CACHE v3
-# endif
-#endif
-
#if defined(CONFIG_CPU_CACHE_V4)
# ifdef _CACHE
# define MULTI_CACHE 1
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 02fe2fbe247..ed94b1a366a 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -37,7 +37,7 @@ extern int iop3xx_get_init_atu(void);
* IOP3XX processor registers
*/
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
-#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000
+#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfedfe000
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
IOP3XX_PERIPHERAL_SIZE - 1)
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 8c5e828f484..91b99abe7a9 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -41,6 +41,13 @@ extern void kunmap_high(struct page *page);
#endif
#endif
+/*
+ * Needed to be able to broadcast the TLB invalidation for kmap.
+ */
+#ifdef CONFIG_ARM_ERRATA_798181
+#undef ARCH_NEEDS_KMAP_HIGH_GET
+#endif
+
#ifdef ARCH_NEEDS_KMAP_HIGH_GET
extern void *kmap_high_get(struct page *page);
#else
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 35c21c375d8..53c15dec7af 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -30,6 +30,11 @@ extern void asm_do_IRQ(unsigned int, struct pt_regs *);
void handle_IRQ(unsigned int, struct pt_regs *);
void init_IRQ(void);
+#ifdef CONFIG_MULTI_IRQ_HANDLER
+extern void (*handle_arch_irq)(struct pt_regs *);
+extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
+#endif
+
#endif
#endif
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 308ad7d6f98..75bf07910b8 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -8,6 +8,8 @@
* published by the Free Software Foundation.
*/
+#include <linux/types.h>
+
#ifndef __ASSEMBLY__
struct tag;
@@ -16,8 +18,10 @@ struct pt_regs;
struct smp_operations;
#ifdef CONFIG_SMP
#define smp_ops(ops) (&(ops))
+#define smp_init_ops(ops) (&(ops))
#else
#define smp_ops(ops) (struct smp_operations *)NULL
+#define smp_init_ops(ops) (bool (*)(void))NULL
#endif
struct machine_desc {
@@ -41,6 +45,7 @@ struct machine_desc {
unsigned char reserve_lp2 :1; /* never has lp2 */
char restart_mode; /* default restart mode */
struct smp_operations *smp; /* SMP operations */
+ bool (*smp_init)(void);
void (*fixup)(struct tag *, char **,
struct meminfo *);
void (*reserve)(void);/* reserve mem blocks */
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index 18c88302333..2092ee1e130 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -20,11 +20,6 @@ struct seq_file;
extern void init_FIQ(int);
extern int show_fiq_list(struct seq_file *, int);
-#ifdef CONFIG_MULTI_IRQ_HANDLER
-extern void (*handle_arch_irq)(struct pt_regs *);
-extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
-#endif
-
/*
* This is for easy migration, but should be changed in the source
*/
@@ -35,35 +30,4 @@ do { \
raw_spin_unlock(&desc->lock); \
} while(0)
-#ifndef __ASSEMBLY__
-/*
- * Entry/exit functions for chained handlers where the primary IRQ chip
- * may implement either fasteoi or level-trigger flow control.
- */
-static inline void chained_irq_enter(struct irq_chip *chip,
- struct irq_desc *desc)
-{
- /* FastEOI controllers require no action on entry. */
- if (chip->irq_eoi)
- return;
-
- if (chip->irq_mask_ack) {
- chip->irq_mask_ack(&desc->irq_data);
- } else {
- chip->irq_mask(&desc->irq_data);
- if (chip->irq_ack)
- chip->irq_ack(&desc->irq_data);
- }
-}
-
-static inline void chained_irq_exit(struct irq_chip *chip,
- struct irq_desc *desc)
-{
- if (chip->irq_eoi)
- chip->irq_eoi(&desc->irq_data);
- else
- chip->irq_unmask(&desc->irq_data);
-}
-#endif
-
#endif
diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h
index 863a6611323..a7b85e0d0cc 100644
--- a/arch/arm/include/asm/mmu_context.h
+++ b/arch/arm/include/asm/mmu_context.h
@@ -27,6 +27,8 @@ void __check_vmalloc_seq(struct mm_struct *mm);
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk);
#define init_new_context(tsk,mm) ({ atomic64_set(&mm->context.id, 0); 0; })
+DECLARE_PER_CPU(atomic64_t, active_asids);
+
#else /* !CONFIG_CPU_HAS_ASID */
#ifdef CONFIG_MMU
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 6ef8afd1b64..86b8fe398b9 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -111,7 +111,7 @@
#define L_PTE_S2_MT_WRITETHROUGH (_AT(pteval_t, 0xa) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_MT_WRITEBACK (_AT(pteval_t, 0xf) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[1] */
-#define L_PTE_S2_RDWR (_AT(pteval_t, 2) << 6) /* HAP[2:1] */
+#define L_PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
/*
* Hyp-mode PL2 PTE definitions for LPAE.
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index f24edad26c7..0cd7824ca76 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -62,9 +62,19 @@ struct pmu_hw_events {
raw_spinlock_t pmu_lock;
};
+struct cpupmu_regs {
+ u32 pmc;
+ u32 pmcntenset;
+ u32 pmuseren;
+ u32 pmintenset;
+ u32 pmxevttype[8];
+ u32 pmxevtcnt[8];
+};
+
struct arm_pmu {
struct pmu pmu;
cpumask_t active_irqs;
+ cpumask_t valid_cpus;
char *name;
irqreturn_t (*handle_irq)(int irq_num, void *dev);
void (*enable)(struct perf_event *event);
@@ -81,6 +91,8 @@ struct arm_pmu {
int (*request_irq)(struct arm_pmu *, irq_handler_t handler);
void (*free_irq)(struct arm_pmu *);
int (*map_event)(struct perf_event *event);
+ void (*save_regs)(struct arm_pmu *, struct cpupmu_regs *);
+ void (*restore_regs)(struct arm_pmu *, struct cpupmu_regs *);
int num_events;
atomic_t active_events;
struct mutex reserve_mutex;
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index ce0dbe7c162..a079cbee427 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -16,6 +16,10 @@
#define PSCI_POWER_STATE_TYPE_STANDBY 0
#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1
+#define PSCI_POWER_STATE_AFFINITY_LEVEL0 0
+#define PSCI_POWER_STATE_AFFINITY_LEVEL1 1
+#define PSCI_POWER_STATE_AFFINITY_LEVEL2 2
+#define PSCI_POWER_STATE_AFFINITY_LEVEL3 3
struct psci_power_state {
u16 id;
@@ -33,4 +37,12 @@ struct psci_operations {
extern struct psci_operations psci_ops;
+#ifdef CONFIG_ARM_PSCI
+extern int __init psci_probe(void);
+#else
+static inline int psci_probe(void)
+{
+ return -ENODEV;
+}
+#endif
#endif /* __ASM_ARM_PSCI_H */
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 4db8c8820f0..ab865e65a84 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -14,7 +14,6 @@
#include <asm/glue.h>
-#define TLB_V3_PAGE (1 << 0)
#define TLB_V4_U_PAGE (1 << 1)
#define TLB_V4_D_PAGE (1 << 2)
#define TLB_V4_I_PAGE (1 << 3)
@@ -22,7 +21,6 @@
#define TLB_V6_D_PAGE (1 << 5)
#define TLB_V6_I_PAGE (1 << 6)
-#define TLB_V3_FULL (1 << 8)
#define TLB_V4_U_FULL (1 << 9)
#define TLB_V4_D_FULL (1 << 10)
#define TLB_V4_I_FULL (1 << 11)
@@ -52,7 +50,6 @@
* =============
*
* We have the following to choose from:
- * v3 - ARMv3
* v4 - ARMv4 without write buffer
* v4wb - ARMv4 with write buffer without I TLB flush entry instruction
* v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
@@ -330,7 +327,6 @@ static inline void local_flush_tlb_all(void)
if (tlb_flag(TLB_WB))
dsb();
- tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
tlb_op(TLB_V4_U_FULL | TLB_V6_U_FULL, "c8, c7, 0", zero);
tlb_op(TLB_V4_D_FULL | TLB_V6_D_FULL, "c8, c6, 0", zero);
tlb_op(TLB_V4_I_FULL | TLB_V6_I_FULL, "c8, c5, 0", zero);
@@ -351,9 +347,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
if (tlb_flag(TLB_WB))
dsb();
- if (possible_tlb_flags & (TLB_V3_FULL|TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
+ if (possible_tlb_flags & (TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) {
if (cpumask_test_cpu(get_cpu(), mm_cpumask(mm))) {
- tlb_op(TLB_V3_FULL, "c6, c0, 0", zero);
tlb_op(TLB_V4_U_FULL, "c8, c7, 0", zero);
tlb_op(TLB_V4_D_FULL, "c8, c6, 0", zero);
tlb_op(TLB_V4_I_FULL, "c8, c5, 0", zero);
@@ -385,9 +380,8 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
if (tlb_flag(TLB_WB))
dsb();
- if (possible_tlb_flags & (TLB_V3_PAGE|TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
+ if (possible_tlb_flags & (TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) &&
cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
- tlb_op(TLB_V3_PAGE, "c6, c0, 0", uaddr);
tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", uaddr);
tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", uaddr);
tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", uaddr);
@@ -418,7 +412,6 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
if (tlb_flag(TLB_WB))
dsb();
- tlb_op(TLB_V3_PAGE, "c6, c0, 0", kaddr);
tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", kaddr);
tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", kaddr);
tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", kaddr);
@@ -450,6 +443,21 @@ static inline void local_flush_bp_all(void)
isb();
}
+#ifdef CONFIG_ARM_ERRATA_798181
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+ /*
+ * Dummy TLBIMVAIS. Using the unmapped address 0 and ASID 0.
+ */
+ asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (0));
+ dsb();
+}
+#else
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+}
+#endif
+
/*
* flush_pmd_entry
*
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 58b8b84adcd..983fa7c153a 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -26,11 +26,45 @@ extern struct cputopo_arm cpu_topology[NR_CPUS];
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
+int cluster_to_logical_mask(unsigned int socket_id, cpumask_t *cluster_mask);
+
+#ifdef CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE
+/* Common values for CPUs */
+#ifndef SD_CPU_INIT
+#define SD_CPU_INIT (struct sched_domain) { \
+ .min_interval = 1, \
+ .max_interval = 4, \
+ .busy_factor = 64, \
+ .imbalance_pct = 125, \
+ .cache_nice_tries = 1, \
+ .busy_idx = 2, \
+ .idle_idx = 1, \
+ .newidle_idx = 0, \
+ .wake_idx = 0, \
+ .forkexec_idx = 0, \
+ \
+ .flags = 0*SD_LOAD_BALANCE \
+ | 1*SD_BALANCE_NEWIDLE \
+ | 1*SD_BALANCE_EXEC \
+ | 1*SD_BALANCE_FORK \
+ | 0*SD_BALANCE_WAKE \
+ | 1*SD_WAKE_AFFINE \
+ | 0*SD_SHARE_CPUPOWER \
+ | 0*SD_SHARE_PKG_RESOURCES \
+ | 0*SD_SERIALIZE \
+ , \
+ .last_balance = jiffies, \
+ .balance_interval = 1, \
+}
+#endif
+#endif /* CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE */
#else
static inline void init_cpu_topology(void) { }
static inline void store_cpu_topology(unsigned int cpuid) { }
+static inline int cluster_to_logical_mask(unsigned int socket_id,
+ cpumask_t *cluster_mask) { return -EINVAL; }
#endif