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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 19:06:51 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 19:06:51 -0500
commitb6fedfd2a18a489d31246312f7279f82e3cc6b37 (patch)
treeeeaac614f3bb97731dfd9d9614f87f006b651117 /arch
parentc32da02342b7521df25fefc2ef20aee0e61cf887 (diff)
parent30124d11097e371e42052144d8a3f4a78d26e09f (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/booke: Fix breakpoint/watchpoint one-shot behavior powerpc: Reduce printk from pseries_mach_cpu_die() powerpc: Move checks in pseries_mach_cpu_die() powerpc: Reset kernel stack on cpu online from cede state powerpc: Fix G5 thermal shutdown powerpc/pseries: Pass CPPR value to H_XIRR hcall powerpc/booke: Fix a couple typos in the advanced ptrace code powerpc: Fix SMP build with disabled CPU hotplugging. powerpc: Dynamically allocate pacas powerpc/perf: e500 support powerpc/perf: Build callchain code regardless of hardware event support. powerpc/cpm2: Checkpatch cleanup powerpc/86xx: Renaming following split of GE Fanuc joint venture powerpc/86xx: Convert gef_pic_lock to raw_spinlock powerpc/qe: Convert qe_ic_lock to raw_spinlock powerpc/82xx: Convert pci_pic_lock to raw_spinlock powerpc/85xx: Convert socrates_fpga_pic_lock to raw_spinlock
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/dts/gef_ppc9a.dts4
-rw-r--r--arch/powerpc/boot/dts/gef_sbc310.dts4
-rw-r--r--arch/powerpc/boot/dts/gef_sbc610.dts4
-rw-r--r--arch/powerpc/include/asm/paca.h18
-rw-r--r--arch/powerpc/include/asm/perf_event.h109
-rw-r--r--arch/powerpc/include/asm/perf_event_fsl_emb.h50
-rw-r--r--arch/powerpc/include/asm/perf_event_server.h110
-rw-r--r--arch/powerpc/include/asm/reg_booke.h4
-rw-r--r--arch/powerpc/include/asm/reg_fsl_emb.h2
-rw-r--r--arch/powerpc/kernel/Makefile7
-rw-r--r--arch/powerpc/kernel/cputable.c2
-rw-r--r--arch/powerpc/kernel/e500-pmu.c129
-rw-r--r--arch/powerpc/kernel/head_64.S17
-rw-r--r--arch/powerpc/kernel/paca.c93
-rw-r--r--arch/powerpc/kernel/perf_event_fsl_emb.c654
-rw-r--r--arch/powerpc/kernel/prom.c3
-rw-r--r--arch/powerpc/kernel/ptrace.c12
-rw-r--r--arch/powerpc/kernel/setup-common.c3
-rw-r--r--arch/powerpc/kernel/setup_64.c12
-rw-r--r--arch/powerpc/platforms/82xx/pq2ads-pci-pic.c10
-rw-r--r--arch/powerpc/platforms/85xx/socrates_fpga_pic.c34
-rw-r--r--arch/powerpc/platforms/86xx/Kconfig12
-rw-r--r--arch/powerpc/platforms/86xx/gef_gpio.c10
-rw-r--r--arch/powerpc/platforms/86xx/gef_pic.c20
-rw-r--r--arch/powerpc/platforms/86xx/gef_ppc9a.c12
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc310.c12
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc610.c12
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype10
-rw-r--r--arch/powerpc/platforms/iseries/exception.S25
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c42
-rw-r--r--arch/powerpc/platforms/pseries/offline_states.h23
-rw-r--r--arch/powerpc/platforms/pseries/plpar_wrappers.h4
-rw-r--r--arch/powerpc/platforms/pseries/xics.c7
-rw-r--r--arch/powerpc/sysdev/cpm2_pic.h2
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe_ic.c10
35 files changed, 1225 insertions, 257 deletions
diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts
index 977f260d5e64..83f4b79dff85 100644
--- a/arch/powerpc/boot/dts/gef_ppc9a.dts
+++ b/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -1,7 +1,7 @@
1/* 1/*
2 * GE Fanuc PPC9A Device Tree Source 2 * GE PPC9A Device Tree Source
3 * 3 *
4 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 4 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 7 * under the terms of the GNU General Public License as published by the
diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts
index 8e4efff3bda1..fc3a331dd392 100644
--- a/arch/powerpc/boot/dts/gef_sbc310.dts
+++ b/arch/powerpc/boot/dts/gef_sbc310.dts
@@ -1,7 +1,7 @@
1/* 1/*
2 * GE Fanuc SBC310 Device Tree Source 2 * GE SBC310 Device Tree Source
3 * 3 *
4 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 4 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 7 * under the terms of the GNU General Public License as published by the
diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index bb7060078fb4..c0671cc98125 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -1,7 +1,7 @@
1/* 1/*
2 * GE Fanuc SBC610 Device Tree Source 2 * GE SBC610 Device Tree Source
3 * 3 *
4 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 4 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 7 * under the terms of the GNU General Public License as published by the
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index d8a693109c82..a011603d4079 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -14,6 +14,9 @@
14#define _ASM_POWERPC_PACA_H 14#define _ASM_POWERPC_PACA_H
15#ifdef __KERNEL__ 15#ifdef __KERNEL__
16 16
17#ifdef CONFIG_PPC64
18
19#include <linux/init.h>
17#include <asm/types.h> 20#include <asm/types.h>
18#include <asm/lppaca.h> 21#include <asm/lppaca.h>
19#include <asm/mmu.h> 22#include <asm/mmu.h>
@@ -145,8 +148,19 @@ struct paca_struct {
145#endif 148#endif
146}; 149};
147 150
148extern struct paca_struct paca[]; 151extern struct paca_struct *paca;
149extern void initialise_pacas(void); 152extern __initdata struct paca_struct boot_paca;
153extern void initialise_paca(struct paca_struct *new_paca, int cpu);
154
155extern void allocate_pacas(void);
156extern void free_unused_pacas(void);
157
158#else /* CONFIG_PPC64 */
159
160static inline void allocate_pacas(void) { };
161static inline void free_unused_pacas(void) { };
162
163#endif /* CONFIG_PPC64 */
150 164
151#endif /* __KERNEL__ */ 165#endif /* __KERNEL__ */
152#endif /* _ASM_POWERPC_PACA_H */ 166#endif /* _ASM_POWERPC_PACA_H */
diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h
index 3288ce3997e0..e6d4ce69b126 100644
--- a/arch/powerpc/include/asm/perf_event.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -1,110 +1,23 @@
1/* 1/*
2 * Performance event support - PowerPC-specific definitions. 2 * Performance event support - hardware-specific disambiguation
3 * 3 *
4 * Copyright 2008-2009 Paul Mackerras, IBM Corporation. 4 * For now this is a compile-time decision, but eventually it should be
5 * runtime. This would allow multiplatform perf event support for e300 (fsl
6 * embedded perf counters) plus server/classic, and would accommodate
7 * devices other than the core which provide their own performance counters.
8 *
9 * Copyright 2010 Freescale Semiconductor, Inc.
5 * 10 *
6 * This program is free software; you can redistribute it and/or 11 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License 12 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 13 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version. 14 * 2 of the License, or (at your option) any later version.
10 */ 15 */
11#include <linux/types.h>
12
13#include <asm/hw_irq.h>
14
15#define MAX_HWEVENTS 8
16#define MAX_EVENT_ALTERNATIVES 8
17#define MAX_LIMITED_HWCOUNTERS 2
18
19/*
20 * This struct provides the constants and functions needed to
21 * describe the PMU on a particular POWER-family CPU.
22 */
23struct power_pmu {
24 const char *name;
25 int n_counter;
26 int max_alternatives;
27 unsigned long add_fields;
28 unsigned long test_adder;
29 int (*compute_mmcr)(u64 events[], int n_ev,
30 unsigned int hwc[], unsigned long mmcr[]);
31 int (*get_constraint)(u64 event_id, unsigned long *mskp,
32 unsigned long *valp);
33 int (*get_alternatives)(u64 event_id, unsigned int flags,
34 u64 alt[]);
35 void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
36 int (*limited_pmc_event)(u64 event_id);
37 u32 flags;
38 int n_generic;
39 int *generic_events;
40 int (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
41 [PERF_COUNT_HW_CACHE_OP_MAX]
42 [PERF_COUNT_HW_CACHE_RESULT_MAX];
43};
44
45/*
46 * Values for power_pmu.flags
47 */
48#define PPMU_LIMITED_PMC5_6 1 /* PMC5/6 have limited function */
49#define PPMU_ALT_SIPR 2 /* uses alternate posn for SIPR/HV */
50
51/*
52 * Values for flags to get_alternatives()
53 */
54#define PPMU_LIMITED_PMC_OK 1 /* can put this on a limited PMC */
55#define PPMU_LIMITED_PMC_REQD 2 /* have to put this on a limited PMC */
56#define PPMU_ONLY_COUNT_RUN 4 /* only counting in run state */
57
58extern int register_power_pmu(struct power_pmu *);
59 16
60struct pt_regs;
61extern unsigned long perf_misc_flags(struct pt_regs *regs);
62extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
63
64#define PERF_EVENT_INDEX_OFFSET 1
65
66/*
67 * Only override the default definitions in include/linux/perf_event.h
68 * if we have hardware PMU support.
69 */
70#ifdef CONFIG_PPC_PERF_CTRS 17#ifdef CONFIG_PPC_PERF_CTRS
71#define perf_misc_flags(regs) perf_misc_flags(regs) 18#include <asm/perf_event_server.h>
72#endif 19#endif
73 20
74/* 21#ifdef CONFIG_FSL_EMB_PERF_EVENT
75 * The power_pmu.get_constraint function returns a 32/64-bit value and 22#include <asm/perf_event_fsl_emb.h>
76 * a 32/64-bit mask that express the constraints between this event_id and 23#endif
77 * other events.
78 *
79 * The value and mask are divided up into (non-overlapping) bitfields
80 * of three different types:
81 *
82 * Select field: this expresses the constraint that some set of bits
83 * in MMCR* needs to be set to a specific value for this event_id. For a
84 * select field, the mask contains 1s in every bit of the field, and
85 * the value contains a unique value for each possible setting of the
86 * MMCR* bits. The constraint checking code will ensure that two events
87 * that set the same field in their masks have the same value in their
88 * value dwords.
89 *
90 * Add field: this expresses the constraint that there can be at most
91 * N events in a particular class. A field of k bits can be used for
92 * N <= 2^(k-1) - 1. The mask has the most significant bit of the field
93 * set (and the other bits 0), and the value has only the least significant
94 * bit of the field set. In addition, the 'add_fields' and 'test_adder'
95 * in the struct power_pmu for this processor come into play. The
96 * add_fields value contains 1 in the LSB of the field, and the
97 * test_adder contains 2^(k-1) - 1 - N in the field.
98 *
99 * NAND field: this expresses the constraint that you may not have events
100 * in all of a set of classes. (For example, on PPC970, you can't select
101 * events from the FPU, ISU and IDU simultaneously, although any two are
102 * possible.) For N classes, the field is N+1 bits wide, and each class
103 * is assigned one bit from the least-significant N bits. The mask has
104 * only the most-significant bit set, and the value has only the bit
105 * for the event_id's class set. The test_adder has the least significant
106 * bit set in the field.
107 *
108 * If an event_id is not subject to the constraint expressed by a particular
109 * field, then it will have 0 in both the mask and value for that field.
110 */
diff --git a/arch/powerpc/include/asm/perf_event_fsl_emb.h b/arch/powerpc/include/asm/perf_event_fsl_emb.h
new file mode 100644
index 000000000000..718a9fa94e68
--- /dev/null
+++ b/arch/powerpc/include/asm/perf_event_fsl_emb.h
@@ -0,0 +1,50 @@
1/*
2 * Performance event support - Freescale embedded specific definitions.
3 *
4 * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
5 * Copyright 2010 Freescale Semiconductor, Inc.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#include <linux/types.h>
14#include <asm/hw_irq.h>
15
16#define MAX_HWEVENTS 4
17
18/* event flags */
19#define FSL_EMB_EVENT_VALID 1
20#define FSL_EMB_EVENT_RESTRICTED 2
21
22/* upper half of event flags is PMLCb */
23#define FSL_EMB_EVENT_THRESHMUL 0x0000070000000000ULL
24#define FSL_EMB_EVENT_THRESH 0x0000003f00000000ULL
25
26struct fsl_emb_pmu {
27 const char *name;
28 int n_counter; /* total number of counters */
29
30 /*
31 * The number of contiguous counters starting at zero that
32 * can hold restricted events, or zero if there are no
33 * restricted events.
34 *
35 * This isn't a very flexible method of expressing constraints,
36 * but it's very simple and is adequate for existing chips.
37 */
38 int n_restricted;
39
40 /* Returns event flags and PMLCb (FSL_EMB_EVENT_*) */
41 u64 (*xlate_event)(u64 event_id);
42
43 int n_generic;
44 int *generic_events;
45 int (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
46 [PERF_COUNT_HW_CACHE_OP_MAX]
47 [PERF_COUNT_HW_CACHE_RESULT_MAX];
48};
49
50int register_fsl_emb_pmu(struct fsl_emb_pmu *);
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
new file mode 100644
index 000000000000..8f1df1208d23
--- /dev/null
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -0,0 +1,110 @@
1/*
2 * Performance event support - PowerPC classic/server specific definitions.
3 *
4 * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/types.h>
13#include <asm/hw_irq.h>
14
15#define MAX_HWEVENTS 8
16#define MAX_EVENT_ALTERNATIVES 8
17#define MAX_LIMITED_HWCOUNTERS 2
18
19/*
20 * This struct provides the constants and functions needed to
21 * describe the PMU on a particular POWER-family CPU.
22 */
23struct power_pmu {
24 const char *name;
25 int n_counter;
26 int max_alternatives;
27 unsigned long add_fields;
28 unsigned long test_adder;
29 int (*compute_mmcr)(u64 events[], int n_ev,
30 unsigned int hwc[], unsigned long mmcr[]);
31 int (*get_constraint)(u64 event_id, unsigned long *mskp,
32 unsigned long *valp);
33 int (*get_alternatives)(u64 event_id, unsigned int flags,
34 u64 alt[]);
35 void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
36 int (*limited_pmc_event)(u64 event_id);
37 u32 flags;
38 int n_generic;
39 int *generic_events;
40 int (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
41 [PERF_COUNT_HW_CACHE_OP_MAX]
42 [PERF_COUNT_HW_CACHE_RESULT_MAX];
43};
44
45/*
46 * Values for power_pmu.flags
47 */
48#define PPMU_LIMITED_PMC5_6 1 /* PMC5/6 have limited function */
49#define PPMU_ALT_SIPR 2 /* uses alternate posn for SIPR/HV */
50
51/*
52 * Values for flags to get_alternatives()
53 */
54#define PPMU_LIMITED_PMC_OK 1 /* can put this on a limited PMC */
55#define PPMU_LIMITED_PMC_REQD 2 /* have to put this on a limited PMC */
56#define PPMU_ONLY_COUNT_RUN 4 /* only counting in run state */
57
58extern int register_power_pmu(struct power_pmu *);
59
60struct pt_regs;
61extern unsigned long perf_misc_flags(struct pt_regs *regs);
62extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
63
64#define PERF_EVENT_INDEX_OFFSET 1
65
66/*
67 * Only override the default definitions in include/linux/perf_event.h
68 * if we have hardware PMU support.
69 */
70#ifdef CONFIG_PPC_PERF_CTRS
71#define perf_misc_flags(regs) perf_misc_flags(regs)
72#endif
73
74/*
75 * The power_pmu.get_constraint function returns a 32/64-bit value and
76 * a 32/64-bit mask that express the constraints between this event_id and
77 * other events.
78 *
79 * The value and mask are divided up into (non-overlapping) bitfields
80 * of three different types:
81 *
82 * Select field: this expresses the constraint that some set of bits
83 * in MMCR* needs to be set to a specific value for this event_id. For a
84 * select field, the mask contains 1s in every bit of the field, and
85 * the value contains a unique value for each possible setting of the
86 * MMCR* bits. The constraint checking code will ensure that two events
87 * that set the same field in their masks have the same value in their
88 * value dwords.
89 *
90 * Add field: this expresses the constraint that there can be at most
91 * N events in a particular class. A field of k bits can be used for
92 * N <= 2^(k-1) - 1. The mask has the most significant bit of the field
93 * set (and the other bits 0), and the value has only the least significant
94 * bit of the field set. In addition, the 'add_fields' and 'test_adder'
95 * in the struct power_pmu for this processor come into play. The
96 * add_fields value contains 1 in the LSB of the field, and the
97 * test_adder contains 2^(k-1) - 1 - N in the field.
98 *
99 * NAND field: this expresses the constraint that you may not have events
100 * in all of a set of classes. (For example, on PPC970, you can't select
101 * events from the FPU, ISU and IDU simultaneously, although any two are
102 * possible.) For N classes, the field is N+1 bits wide, and each class
103 * is assigned one bit from the least-significant N bits. The mask has
104 * only the most-significant bit set, and the value has only the bit
105 * for the event_id's class set. The test_adder has the least significant
106 * bit set in the field.
107 *
108 * If an event_id is not subject to the constraint expressed by a particular
109 * field, then it will have 0 in both the mask and value for that field.
110 */
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 8808d307fe7e..414d434a66d0 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -421,8 +421,8 @@
421/* Bit definitions related to the DBCR2. */ 421/* Bit definitions related to the DBCR2. */
422#define DBCR2_DAC1US 0xC0000000 /* Data Addr Cmp 1 Sup/User */ 422#define DBCR2_DAC1US 0xC0000000 /* Data Addr Cmp 1 Sup/User */
423#define DBCR2_DAC1ER 0x30000000 /* Data Addr Cmp 1 Eff/Real */ 423#define DBCR2_DAC1ER 0x30000000 /* Data Addr Cmp 1 Eff/Real */
424#define DBCR2_DAC2US 0x00000000 /* Data Addr Cmp 2 Sup/User */ 424#define DBCR2_DAC2US 0x0C000000 /* Data Addr Cmp 2 Sup/User */
425#define DBCR2_DAC2ER 0x00000000 /* Data Addr Cmp 2 Eff/Real */ 425#define DBCR2_DAC2ER 0x03000000 /* Data Addr Cmp 2 Eff/Real */
426#define DBCR2_DAC12M 0x00800000 /* DAC 1-2 range enable */ 426#define DBCR2_DAC12M 0x00800000 /* DAC 1-2 range enable */
427#define DBCR2_DAC12MM 0x00400000 /* DAC 1-2 Mask mode*/ 427#define DBCR2_DAC12MM 0x00400000 /* DAC 1-2 Mask mode*/
428#define DBCR2_DAC12MX 0x00C00000 /* DAC 1-2 range eXclusive */ 428#define DBCR2_DAC12MX 0x00C00000 /* DAC 1-2 range eXclusive */
diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h
index 0de404dfee8b..77bb71cfd991 100644
--- a/arch/powerpc/include/asm/reg_fsl_emb.h
+++ b/arch/powerpc/include/asm/reg_fsl_emb.h
@@ -31,7 +31,7 @@
31#define PMLCA_FCM0 0x08000000 /* Freeze when PMM==0 */ 31#define PMLCA_FCM0 0x08000000 /* Freeze when PMM==0 */
32#define PMLCA_CE 0x04000000 /* Condition Enable */ 32#define PMLCA_CE 0x04000000 /* Condition Enable */
33 33
34#define PMLCA_EVENT_MASK 0x007f0000 /* Event field */ 34#define PMLCA_EVENT_MASK 0x00ff0000 /* Event field */
35#define PMLCA_EVENT_SHIFT 16 35#define PMLCA_EVENT_SHIFT 16
36 36
37#define PMRN_PMLCB0 0x110 /* PM Local Control B0 */ 37#define PMRN_PMLCB0 0x110 /* PM Local Control B0 */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index c002b0410219..877326320e74 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -98,11 +98,16 @@ obj64-$(CONFIG_AUDIT) += compat_audit.o
98 98
99obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o 99obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
100obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o 100obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
101obj-$(CONFIG_PPC_PERF_CTRS) += perf_event.o perf_callchain.o 101obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
102
103obj-$(CONFIG_PPC_PERF_CTRS) += perf_event.o
102obj64-$(CONFIG_PPC_PERF_CTRS) += power4-pmu.o ppc970-pmu.o power5-pmu.o \ 104obj64-$(CONFIG_PPC_PERF_CTRS) += power4-pmu.o ppc970-pmu.o power5-pmu.o \
103 power5+-pmu.o power6-pmu.o power7-pmu.o 105 power5+-pmu.o power6-pmu.o power7-pmu.o
104obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o 106obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o
105 107
108obj-$(CONFIG_FSL_EMB_PERF_EVENT) += perf_event_fsl_emb.o
109obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o
110
106obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o 111obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o
107 112
108ifneq ($(CONFIG_PPC_INDIRECT_IO),y) 113ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 2fc82bac3bbc..8af4949434b2 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1808,7 +1808,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
1808 .icache_bsize = 64, 1808 .icache_bsize = 64,
1809 .dcache_bsize = 64, 1809 .dcache_bsize = 64,
1810 .num_pmcs = 4, 1810 .num_pmcs = 4,
1811 .oprofile_cpu_type = "ppc/e500", /* xxx - galak, e500mc? */ 1811 .oprofile_cpu_type = "ppc/e500mc",
1812 .oprofile_type = PPC_OPROFILE_FSL_EMB, 1812 .oprofile_type = PPC_OPROFILE_FSL_EMB,
1813 .cpu_setup = __setup_cpu_e500mc, 1813 .cpu_setup = __setup_cpu_e500mc,
1814 .machine_check = machine_check_e500, 1814 .machine_check = machine_check_e500,
diff --git a/arch/powerpc/kernel/e500-pmu.c b/arch/powerpc/kernel/e500-pmu.c
new file mode 100644
index 000000000000..7c07de0d8943
--- /dev/null
+++ b/arch/powerpc/kernel/e500-pmu.c
@@ -0,0 +1,129 @@
1/*
2 * Performance counter support for e500 family processors.
3 *
4 * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
5 * Copyright 2010 Freescale Semiconductor, Inc.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12#include <linux/string.h>
13#include <linux/perf_event.h>
14#include <asm/reg.h>
15#include <asm/cputable.h>
16
17/*
18 * Map of generic hardware event types to hardware events
19 * Zero if unsupported
20 */
21static int e500_generic_events[] = {
22 [PERF_COUNT_HW_CPU_CYCLES] = 1,
23 [PERF_COUNT_HW_INSTRUCTIONS] = 2,
24 [PERF_COUNT_HW_CACHE_MISSES] = 41, /* Data L1 cache reloads */
25 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 12,
26 [PERF_COUNT_HW_BRANCH_MISSES] = 15,
27};
28
29#define C(x) PERF_COUNT_HW_CACHE_##x
30
31/*
32 * Table of generalized cache-related events.
33 * 0 means not supported, -1 means nonsensical, other values
34 * are event codes.
35 */
36static int e500_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
37 /*
38 * D-cache misses are not split into read/write/prefetch;
39 * use raw event 41.
40 */
41 [C(L1D)] = { /* RESULT_ACCESS RESULT_MISS */
42 [C(OP_READ)] = { 27, 0 },
43 [C(OP_WRITE)] = { 28, 0 },
44 [C(OP_PREFETCH)] = { 29, 0 },
45 },
46 [C(L1I)] = { /* RESULT_ACCESS RESULT_MISS */
47 [C(OP_READ)] = { 2, 60 },
48 [C(OP_WRITE)] = { -1, -1 },
49 [C(OP_PREFETCH)] = { 0, 0 },
50 },
51 /*
52 * Assuming LL means L2, it's not a good match for this model.
53 * It allocates only on L1 castout or explicit prefetch, and
54 * does not have separate read/write events (but it does have
55 * separate instruction/data events).
56 */
57 [C(LL)] = { /* RESULT_ACCESS RESULT_MISS */
58 [C(OP_READ)] = { 0, 0 },
59 [C(OP_WRITE)] = { 0, 0 },
60 [C(OP_PREFETCH)] = { 0, 0 },
61 },
62 /*
63 * There are data/instruction MMU misses, but that's a miss on
64 * the chip's internal level-one TLB which is probably not
65 * what the user wants. Instead, unified level-two TLB misses
66 * are reported here.
67 */
68 [C(DTLB)] = { /* RESULT_ACCESS RESULT_MISS */
69 [C(OP_READ)] = { 26, 66 },
70 [C(OP_WRITE)] = { -1, -1 },
71 [C(OP_PREFETCH)] = { -1, -1 },
72 },
73 [C(BPU)] = { /* RESULT_ACCESS RESULT_MISS */
74 [C(OP_READ)] = { 12, 15 },
75 [C(OP_WRITE)] = { -1, -1 },
76 [C(OP_PREFETCH)] = { -1, -1 },
77 },
78};
79
80static int num_events = 128;
81
82/* Upper half of event id is PMLCb, for threshold events */
83static u64 e500_xlate_event(u64 event_id)
84{
85 u32 event_low = (u32)event_id;
86 u64 ret;
87
88 if (event_low >= num_events)
89 return 0;
90
91 ret = FSL_EMB_EVENT_VALID;
92
93 if (event_low >= 76 && event_low <= 81) {
94 ret |= FSL_EMB_EVENT_RESTRICTED;
95 ret |= event_id &
96 (FSL_EMB_EVENT_THRESHMUL | FSL_EMB_EVENT_THRESH);
97 } else if (event_id &
98 (FSL_EMB_EVENT_THRESHMUL | FSL_EMB_EVENT_THRESH)) {
99 /* Threshold requested on non-threshold event */
100 return 0;
101 }
102
103 return ret;
104}
105
106static struct fsl_emb_pmu e500_pmu = {
107 .name = "e500 family",
108 .n_counter = 4,
109 .n_restricted = 2,
110 .xlate_event = e500_xlate_event,
111 .n_generic = ARRAY_SIZE(e500_generic_events),
112 .generic_events = e500_generic_events,
113 .cache_events = &e500_cache_events,
114};
115
116static int init_e500_pmu(void)
117{
118 if (!cur_cpu_spec->oprofile_cpu_type)
119 return -ENODEV;
120
121 if (!strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/e500mc"))
122 num_events = 256;
123 else if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/e500"))
124 return -ENODEV;
125
126 return register_fsl_emb_pmu(&e500_pmu);
127}
128
129arch_initcall(init_e500_pmu);
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 925807488022..bed9a29ee383 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -219,7 +219,8 @@ generic_secondary_common_init:
219 * physical cpu id in r24, we need to search the pacas to find 219 * physical cpu id in r24, we need to search the pacas to find
220 * which logical id maps to our physical one. 220 * which logical id maps to our physical one.
221 */ 221 */
222 LOAD_REG_ADDR(r13, paca) /* Get base vaddr of paca array */ 222 LOAD_REG_ADDR(r13, paca) /* Load paca pointer */
223 ld r13,0(r13) /* Get base vaddr of paca array */
223 li r5,0 /* logical cpu id */ 224 li r5,0 /* logical cpu id */
2241: lhz r6,PACAHWCPUID(r13) /* Load HW procid from paca */ 2251: lhz r6,PACAHWCPUID(r13) /* Load HW procid from paca */
225 cmpw r6,r24 /* Compare to our id */ 226 cmpw r6,r24 /* Compare to our id */
@@ -536,7 +537,8 @@ _GLOBAL(pmac_secondary_start)
536 mtmsrd r3 /* RI on */ 537 mtmsrd r3 /* RI on */
537 538
538 /* Set up a paca value for this processor. */ 539 /* Set up a paca value for this processor. */
539 LOAD_REG_ADDR(r4,paca) /* Get base vaddr of paca array */ 540 LOAD_REG_ADDR(r4,paca) /* Load paca pointer */
541 ld r4,0(r4) /* Get base vaddr of paca array */
540 mulli r13,r24,PACA_SIZE /* Calculate vaddr of right paca */ 542 mulli r13,r24,PACA_SIZE /* Calculate vaddr of right paca */
541 add r13,r13,r4 /* for this processor. */ 543 add r13,r13,r4 /* for this processor. */
542 mtspr SPRN_SPRG_PACA,r13 /* Save vaddr of paca in an SPRG*/ 544 mtspr SPRN_SPRG_PACA,r13 /* Save vaddr of paca in an SPRG*/
@@ -615,6 +617,17 @@ _GLOBAL(start_secondary_prolog)
615 std r3,0(r1) /* Zero the stack frame pointer */ 617 std r3,0(r1) /* Zero the stack frame pointer */
616 bl .start_secondary 618 bl .start_secondary
617 b . 619 b .
620/*
621 * Reset stack pointer and call start_secondary
622 * to continue with online operation when woken up
623 * from cede in cpu offline.
624 */
625_GLOBAL(start_secondary_resume)
626 ld r1,PACAKSAVE(r13) /* Reload kernel stack pointer */
627 li r3,0
628 std r3,0(r1) /* Zero the stack frame pointer */
629 bl .start_secondary
630 b .
618#endif 631#endif
619 632
620/* 633/*
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index d16b1ea55d44..0c40c6f476fe 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -9,11 +9,15 @@
9 9
10#include <linux/threads.h> 10#include <linux/threads.h>
11#include <linux/module.h> 11#include <linux/module.h>
12#include <linux/lmb.h>
12 13
14#include <asm/firmware.h>
13#include <asm/lppaca.h> 15#include <asm/lppaca.h>
14#include <asm/paca.h> 16#include <asm/paca.h>
15#include <asm/sections.h> 17#include <asm/sections.h>
16#include <asm/pgtable.h> 18#include <asm/pgtable.h>
19#include <asm/iseries/lpar_map.h>
20#include <asm/iseries/hv_types.h>
17 21
18/* This symbol is provided by the linker - let it fill in the paca 22/* This symbol is provided by the linker - let it fill in the paca
19 * field correctly */ 23 * field correctly */
@@ -70,37 +74,82 @@ struct slb_shadow slb_shadow[] __cacheline_aligned = {
70 * processors. The processor VPD array needs one entry per physical 74 * processors. The processor VPD array needs one entry per physical
71 * processor (not thread). 75 * processor (not thread).
72 */ 76 */
73struct paca_struct paca[NR_CPUS]; 77struct paca_struct *paca;
74EXPORT_SYMBOL(paca); 78EXPORT_SYMBOL(paca);
75 79
76void __init initialise_pacas(void) 80struct paca_struct boot_paca;
77{
78 int cpu;
79 81
80 /* The TOC register (GPR2) points 32kB into the TOC, so that 64kB 82void __init initialise_paca(struct paca_struct *new_paca, int cpu)
81 * of the TOC can be addressed using a single machine instruction. 83{
82 */ 84 /* The TOC register (GPR2) points 32kB into the TOC, so that 64kB
85 * of the TOC can be addressed using a single machine instruction.
86 */
83 unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL; 87 unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL;
84 88
85 /* Can't use for_each_*_cpu, as they aren't functional yet */
86 for (cpu = 0; cpu < NR_CPUS; cpu++) {
87 struct paca_struct *new_paca = &paca[cpu];
88
89#ifdef CONFIG_PPC_BOOK3S 89#ifdef CONFIG_PPC_BOOK3S
90 new_paca->lppaca_ptr = &lppaca[cpu]; 90 new_paca->lppaca_ptr = &lppaca[cpu];
91#else 91#else
92 new_paca->kernel_pgd = swapper_pg_dir; 92 new_paca->kernel_pgd = swapper_pg_dir;
93#endif 93#endif
94 new_paca->lock_token = 0x8000; 94 new_paca->lock_token = 0x8000;
95 new_paca->paca_index = cpu; 95 new_paca->paca_index = cpu;
96 new_paca->kernel_toc = kernel_toc; 96 new_paca->kernel_toc = kernel_toc;
97 new_paca->kernelbase = (unsigned long) _stext; 97 new_paca->kernelbase = (unsigned long) _stext;
98 new_paca->kernel_msr = MSR_KERNEL; 98 new_paca->kernel_msr = MSR_KERNEL;
99 new_paca->hw_cpu_id = 0xffff; 99 new_paca->hw_cpu_id = 0xffff;
100 new_paca->__current = &init_task; 100 new_paca->__current = &init_task;
101#ifdef CONFIG_PPC_STD_MMU_64 101#ifdef CONFIG_PPC_STD_MMU_64
102 new_paca->slb_shadow_ptr = &slb_shadow[cpu]; 102 new_paca->slb_shadow_ptr = &slb_shadow[cpu];
103#endif /* CONFIG_PPC_STD_MMU_64 */ 103#endif /* CONFIG_PPC_STD_MMU_64 */
104}
105
106static int __initdata paca_size;
107
108void __init allocate_pacas(void)
109{
110 int nr_cpus, cpu, limit;
111
112 /*
113 * We can't take SLB misses on the paca, and we want to access them
114 * in real mode, so allocate them within the RMA and also within
115 * the first segment. On iSeries they must be within the area mapped
116 * by the HV, which is HvPagesToMap * HVPAGESIZE bytes.
117 */
118 limit = min(0x10000000ULL, lmb.rmo_size);
119 if (firmware_has_feature(FW_FEATURE_ISERIES))
120 limit = min(limit, HvPagesToMap * HVPAGESIZE);
121
122 nr_cpus = NR_CPUS;
123 /* On iSeries we know we can never have more than 64 cpus */
124 if (firmware_has_feature(FW_FEATURE_ISERIES))
125 nr_cpus = min(64, nr_cpus);
126
127 paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpus);
128
129 paca = __va(lmb_alloc_base(paca_size, PAGE_SIZE, limit));
130 memset(paca, 0, paca_size);
131
132 printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
133 paca_size, nr_cpus, paca);
134
135 /* Can't use for_each_*_cpu, as they aren't functional yet */
136 for (cpu = 0; cpu < nr_cpus; cpu++)
137 initialise_paca(&paca[cpu], cpu);
138}
139
140void __init free_unused_pacas(void)
141{
142 int new_size;
143
144 new_size = PAGE_ALIGN(sizeof(struct paca_struct) * num_possible_cpus());
145
146 if (new_size >= paca_size)
147 return;
148
149 lmb_free(__pa(paca) + new_size, paca_size - new_size);
150
151 printk(KERN_DEBUG "Freed %u bytes for unused pacas\n",
152 paca_size - new_size);
104 153
105 } 154 paca_size = new_size;
106} 155}
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
new file mode 100644
index 000000000000..369872f6cf78
--- /dev/null
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -0,0 +1,654 @@
1/*
2 * Performance event support - Freescale Embedded Performance Monitor
3 *
4 * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
5 * Copyright 2010 Freescale Semiconductor, Inc.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12#include <linux/kernel.h>
13#include <linux/sched.h>
14#include <linux/perf_event.h>
15#include <linux/percpu.h>
16#include <linux/hardirq.h>
17#include <asm/reg_fsl_emb.h>
18#include <asm/pmc.h>
19#include <asm/machdep.h>
20#include <asm/firmware.h>
21#include <asm/ptrace.h>
22
23struct cpu_hw_events {
24 int n_events;
25 int disabled;
26 u8 pmcs_enabled;
27 struct perf_event *event[MAX_HWEVENTS];
28};
29static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
30
31static struct fsl_emb_pmu *ppmu;
32
33/* Number of perf_events counting hardware events */
34static atomic_t num_events;
35/* Used to avoid races in calling reserve/release_pmc_hardware */
36static DEFINE_MUTEX(pmc_reserve_mutex);
37
38/*
39 * If interrupts were soft-disabled when a PMU interrupt occurs, treat
40 * it as an NMI.
41 */
42static inline int perf_intr_is_nmi(struct pt_regs *regs)
43{
44#ifdef __powerpc64__
45 return !regs->softe;
46#else
47 return 0;
48#endif
49}
50
51static void perf_event_interrupt(struct pt_regs *regs);
52
53/*
54 * Read one performance monitor counter (PMC).
55 */
56static unsigned long read_pmc(int idx)
57{
58 unsigned long val;
59
60 switch (idx) {
61 case 0:
62 val = mfpmr(PMRN_PMC0);
63 break;
64 case 1:
65 val = mfpmr(PMRN_PMC1);
66 break;
67 case 2:
68 val = mfpmr(PMRN_PMC2);
69 break;
70 case 3:
71 val = mfpmr(PMRN_PMC3);
72 break;
73 default:
74 printk(KERN_ERR "oops trying to read PMC%d\n", idx);
75 val = 0;
76 }
77 return val;
78}
79
80/*
81 * Write one PMC.
82 */
83static void write_pmc(int idx, unsigned long val)
84{
85 switch (idx) {
86 case 0:
87 mtpmr(PMRN_PMC0, val);
88 break;
89 case 1:
90 mtpmr(PMRN_PMC1, val);
91 break;
92 case 2:
93 mtpmr(PMRN_PMC2, val);
94 break;
95 case 3:
96 mtpmr(PMRN_PMC3, val);
97 break;
98 default:
99 printk(KERN_ERR "oops trying to write PMC%d\n", idx);
100 }
101
102 isync();
103}
104
105/*
106 * Write one local control A register
107 */
108static void write_pmlca(int idx, unsigned long val)
109{
110 switch (idx) {
111 case 0:
112 mtpmr(PMRN_PMLCA0, val);
113 break;
114 case 1:
115 mtpmr(PMRN_PMLCA1, val);
116 break;
117 case 2:
118 mtpmr(PMRN_PMLCA2, val);
119 break;
120 case 3:
121 mtpmr(PMRN_PMLCA3, val);
122 break;
123 default:
124 printk(KERN_ERR "oops trying to write PMLCA%d\n", idx);
125 }
126
127 isync();
128}
129
130/*
131 * Write one local control B register
132 */
133static void write_pmlcb(int idx, unsigned long val)
134{
135 switch (idx) {
136 case 0:
137 mtpmr(PMRN_PMLCB0, val);
138 break;
139 case 1:
140 mtpmr(PMRN_PMLCB1, val);
141 break;
142 case 2:
143 mtpmr(PMRN_PMLCB2, val);
144 break;
145 case 3:
146 mtpmr(PMRN_PMLCB3, val);
147 break;
148 default:
149 printk(KERN_ERR "oops trying to write PMLCB%d\n", idx);
150 }
151
152 isync();
153}
154
155static void fsl_emb_pmu_read(struct perf_event *event)
156{
157 s64 val, delta, prev;
158
159 /*
160 * Performance monitor interrupts come even when interrupts
161 * are soft-disabled, as long as interrupts are hard-enabled.
162 * Therefore we treat them like NMIs.
163 */
164 do {
165 prev = atomic64_read(&event->hw.prev_count);
166 barrier();
167 val = read_pmc(event->hw.idx);
168 } while (atomic64_cmpxchg(&event->hw.prev_count, prev, val) != prev);
169
170 /* The counters are only 32 bits wide */
171 delta = (val - prev) & 0xfffffffful;
172 atomic64_add(delta, &event->count);
173 atomic64_sub(delta, &event->hw.period_left);
174}
175
176/*
177 * Disable all events to prevent PMU interrupts and to allow
178 * events to be added or removed.
179 */
180void hw_perf_disable(void)
181{
182 struct cpu_hw_events *cpuhw;
183 unsigned long flags;
184
185 local_irq_save(flags);
186 cpuhw = &__get_cpu_var(cpu_hw_events);
187
188 if (!cpuhw->disabled) {
189 cpuhw->disabled = 1;
190
191 /*
192 * Check if we ever enabled the PMU on this cpu.
193 */
194 if (!cpuhw->pmcs_enabled) {
195 ppc_enable_pmcs();
196 cpuhw->pmcs_enabled = 1;
197 }
198
199 if (atomic_read(&num_events)) {
200 /*
201 * Set the 'freeze all counters' bit, and disable
202 * interrupts. The barrier is to make sure the
203 * mtpmr has been executed and the PMU has frozen
204 * the events before we return.
205 */
206
207 mtpmr(PMRN_PMGC0, PMGC0_FAC);
208 isync();
209 }
210 }
211 local_irq_restore(flags);
212}
213
214/*
215 * Re-enable all events if disable == 0.
216 * If we were previously disabled and events were added, then
217 * put the new config on the PMU.
218 */
219void hw_perf_enable(void)
220{
221 struct cpu_hw_events *cpuhw;
222 unsigned long flags;
223
224 local_irq_save(flags);
225 cpuhw = &__get_cpu_var(cpu_hw_events);
226 if (!cpuhw->disabled)
227 goto out;
228
229 cpuhw->disabled = 0;
230 ppc_set_pmu_inuse(cpuhw->n_events != 0);
231
232 if (cpuhw->n_events > 0) {
233 mtpmr(PMRN_PMGC0, PMGC0_PMIE | PMGC0_FCECE);
234 isync();
235 }
236
237 out:
238 local_irq_restore(flags);
239}
240
241static int collect_events(struct perf_event *group, int max_count,
242 struct perf_event *ctrs[])
243{
244 int n = 0;
245 struct perf_event *event;
246
247 if (!is_software_event(group)) {
248 if (n >= max_count)
249 return -1;
250 ctrs[n] = group;
251 n++;
252 }
253 list_for_each_entry(event, &group->sibling_list, group_entry) {
254 if (!is_software_event(event) &&
255 event->state != PERF_EVENT_STATE_OFF) {
256 if (n >= max_count)
257 return -1;
258 ctrs[n] = event;
259 n++;
260 }
261 }
262 return n;
263}
264
265/* perf must be disabled, context locked on entry */
266static int fsl_emb_pmu_enable(struct perf_event *event)
267{
268 struct cpu_hw_events *cpuhw;
269 int ret = -EAGAIN;
270 int num_counters = ppmu->n_counter;
271 u64 val;
272 int i;
273
274 cpuhw = &get_cpu_var(cpu_hw_events);
275
276 if (event->hw.config & FSL_EMB_EVENT_RESTRICTED)
277 num_counters = ppmu->n_restricted;
278
279 /*
280 * Allocate counters from top-down, so that restricted-capable
281 * counters are kept free as long as possible.
282 */
283 for (i = num_counters - 1; i >= 0; i--) {
284 if (cpuhw->event[i])
285 continue;
286
287 break;
288 }
289
290 if (i < 0)
291 goto out;
292
293 event->hw.idx = i;
294 cpuhw->event[i] = event;
295 ++cpuhw->n_events;
296
297 val = 0;
298 if (event->hw.sample_period) {
299 s64 left = atomic64_read(&event->hw.period_left);
300 if (left < 0x80000000L)
301 val = 0x80000000L - left;
302 }
303 atomic64_set(&event->hw.prev_count, val);
304 write_pmc(i, val);
305 perf_event_update_userpage(event);
306
307 write_pmlcb(i, event->hw.config >> 32);
308 write_pmlca(i, event->hw.config_base);
309
310 ret = 0;
311 out:
312 put_cpu_var(cpu_hw_events);
313 return ret;
314}
315
316/* perf must be disabled, context locked on entry */
317static void fsl_emb_pmu_disable(struct perf_event *event)
318{
319 struct cpu_hw_events *cpuhw;
320 int i = event->hw.idx;
321
322 if (i < 0)
323 goto out;
324
325 fsl_emb_pmu_read(event);
326
327 cpuhw = &get_cpu_var(cpu_hw_events);
328
329 WARN_ON(event != cpuhw->event[event->hw.idx]);
330
331 write_pmlca(i, 0);
332 write_pmlcb(i, 0);
333 write_pmc(i, 0);
334
335 cpuhw->event[i] = NULL;
336 event->hw.idx = -1;
337
338 /*
339 * TODO: if at least one restricted event exists, and we
340 * just freed up a non-restricted-capable counter, and
341 * there is a restricted-capable counter occupied by
342 * a non-restricted event, migrate that event to the
343 * vacated counter.
344 */
345
346 cpuhw->n_events--;
347
348 out:
349 put_cpu_var(cpu_hw_events);
350}
351
352/*
353 * Re-enable interrupts on a event after they were throttled
354 * because they were coming too fast.
355 *
356 * Context is locked on entry, but perf is not disabled.
357 */
358static void fsl_emb_pmu_unthrottle(struct perf_event *event)
359{
360 s64 val, left;
361 unsigned long flags;
362
363 if (event->hw.idx < 0 || !event->hw.sample_period)
364 return;
365 local_irq_save(flags);
366 perf_disable();
367 fsl_emb_pmu_read(event);
368 left = event->hw.sample_period;
369 event->hw.last_period = left;
370 val = 0;
371 if (left < 0x80000000L)
372 val = 0x80000000L - left;
373 write_pmc(event->hw.idx, val);
374 atomic64_set(&event->hw.prev_count, val);
375 atomic64_set(&event->hw.period_left, left);
376 perf_event_update_userpage(event);
377 perf_enable();
378 local_irq_restore(flags);
379}
380
381static struct pmu fsl_emb_pmu = {
382 .enable = fsl_emb_pmu_enable,
383 .disable = fsl_emb_pmu_disable,
384 .read = fsl_emb_pmu_read,
385 .unthrottle = fsl_emb_pmu_unthrottle,
386};
387
388/*
389 * Release the PMU if this is the last perf_event.
390 */
391static void hw_perf_event_destroy(struct perf_event *event)
392{
393 if (!atomic_add_unless(&num_events, -1, 1)) {
394 mutex_lock(&pmc_reserve_mutex);
395 if (atomic_dec_return(&num_events) == 0)
396 release_pmc_hardware();
397 mutex_unlock(&pmc_reserve_mutex);
398 }
399}
400
401/*
402 * Translate a generic cache event_id config to a raw event_id code.
403 */
404static int hw_perf_cache_event(u64 config, u64 *eventp)
405{
406 unsigned long type, op, result;
407 int ev;
408
409 if (!ppmu->cache_events)
410 return -EINVAL;
411
412 /* unpack config */
413 type = config & 0xff;
414 op = (config >> 8) & 0xff;
415 result = (config >> 16) & 0xff;
416
417 if (type >= PERF_COUNT_HW_CACHE_MAX ||
418 op >= PERF_COUNT_HW_CACHE_OP_MAX ||
419 result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
420 return -EINVAL;
421
422 ev = (*ppmu->cache_events)[type][op][result];
423 if (ev == 0)
424 return -EOPNOTSUPP;
425 if (ev == -1)
426 return -EINVAL;
427 *eventp = ev;
428 return 0;
429}
430
431const struct pmu *hw_perf_event_init(struct perf_event *event)
432{
433 u64 ev;
434 struct perf_event *events[MAX_HWEVENTS];
435 int n;
436 int err;
437 int num_restricted;
438 int i;
439
440 switch (event->attr.type) {
441 case PERF_TYPE_HARDWARE:
442 ev = event->attr.config;
443 if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0)
444 return ERR_PTR(-EOPNOTSUPP);
445 ev = ppmu->generic_events[ev];
446 break;
447
448 case PERF_TYPE_HW_CACHE:
449 err = hw_perf_cache_event(event->attr.config, &ev);
450 if (err)
451 return ERR_PTR(err);
452 break;
453
454 case PERF_TYPE_RAW:
455 ev = event->attr.config;
456 break;
457
458 default:
459 return ERR_PTR(-EINVAL);
460 }
461
462 event->hw.config = ppmu->xlate_event(ev);
463 if (!(event->hw.config & FSL_EMB_EVENT_VALID))
464 return ERR_PTR(-EINVAL);
465
466 /*
467 * If this is in a group, check if it can go on with all the
468 * other hardware events in the group. We assume the event
469 * hasn't been linked into its leader's sibling list at this point.
470 */
471 n = 0;
472 if (event->group_leader != event) {
473 n = collect_events(event->group_leader,
474 ppmu->n_counter - 1, events);
475 if (n < 0)
476 return ERR_PTR(-EINVAL);
477 }
478
479 if (event->hw.config & FSL_EMB_EVENT_RESTRICTED) {
480 num_restricted = 0;
481 for (i = 0; i < n; i++) {
482 if (events[i]->hw.config & FSL_EMB_EVENT_RESTRICTED)
483 num_restricted++;
484 }
485
486 if (num_restricted >= ppmu->n_restricted)
487 return ERR_PTR(-EINVAL);
488 }
489
490 event->hw.idx = -1;
491
492 event->hw.config_base = PMLCA_CE | PMLCA_FCM1 |
493 (u32)((ev << 16) & PMLCA_EVENT_MASK);
494
495 if (event->attr.exclude_user)
496 event->hw.config_base |= PMLCA_FCU;
497 if (event->attr.exclude_kernel)
498 event->hw.config_base |= PMLCA_FCS;
499 if (event->attr.exclude_idle)
500 return ERR_PTR(-ENOTSUPP);
501
502 event->hw.last_period = event->hw.sample_period;
503 atomic64_set(&event->hw.period_left, event->hw.last_period);
504
505 /*
506 * See if we need to reserve the PMU.
507 * If no events are currently in use, then we have to take a
508 * mutex to ensure that we don't race with another task doing
509 * reserve_pmc_hardware or release_pmc_hardware.
510 */
511 err = 0;
512 if (!atomic_inc_not_zero(&num_events)) {
513 mutex_lock(&pmc_reserve_mutex);
514 if (atomic_read(&num_events) == 0 &&
515 reserve_pmc_hardware(perf_event_interrupt))
516 err = -EBUSY;
517 else
518 atomic_inc(&num_events);
519 mutex_unlock(&pmc_reserve_mutex);
520
521 mtpmr(PMRN_PMGC0, PMGC0_FAC);
522 isync();
523 }
524 event->destroy = hw_perf_event_destroy;
525
526 if (err)
527 return ERR_PTR(err);
528 return &fsl_emb_pmu;
529}
530
531/*
532 * A counter has overflowed; update its count and record
533 * things if requested. Note that interrupts are hard-disabled
534 * here so there is no possibility of being interrupted.
535 */
536static void record_and_restart(struct perf_event *event, unsigned long val,
537 struct pt_regs *regs, int nmi)
538{
539 u64 period = event->hw.sample_period;
540 s64 prev, delta, left;
541 int record = 0;
542
543 /* we don't have to worry about interrupts here */
544 prev = atomic64_read(&event->hw.prev_count);
545 delta = (val - prev) & 0xfffffffful;
546 atomic64_add(delta, &event->count);
547
548 /*
549 * See if the total period for this event has expired,
550 * and update for the next period.
551 */
552 val = 0;
553 left = atomic64_read(&event->hw.period_left) - delta;
554 if (period) {
555 if (left <= 0) {
556 left += period;
557 if (left <= 0)
558 left = period;
559 record = 1;
560 }
561 if (left < 0x80000000LL)
562 val = 0x80000000LL - left;
563 }
564
565 /*
566 * Finally record data if requested.
567 */
568 if (record) {
569 struct perf_sample_data data = {
570 .period = event->hw.last_period,
571 };
572
573 if (perf_event_overflow(event, nmi, &data, regs)) {
574 /*
575 * Interrupts are coming too fast - throttle them
576 * by setting the event to 0, so it will be
577 * at least 2^30 cycles until the next interrupt
578 * (assuming each event counts at most 2 counts
579 * per cycle).
580 */
581 val = 0;
582 left = ~0ULL >> 1;
583 }
584 }
585
586 write_pmc(event->hw.idx, val);
587 atomic64_set(&event->hw.prev_count, val);
588 atomic64_set(&event->hw.period_left, left);
589 perf_event_update_userpage(event);
590}
591
592static void perf_event_interrupt(struct pt_regs *regs)
593{
594 int i;
595 struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
596 struct perf_event *event;
597 unsigned long val;
598 int found = 0;
599 int nmi;
600
601 nmi = perf_intr_is_nmi(regs);
602 if (nmi)
603 nmi_enter();
604 else
605 irq_enter();
606
607 for (i = 0; i < ppmu->n_counter; ++i) {
608 event = cpuhw->event[i];
609
610 val = read_pmc(i);
611 if ((int)val < 0) {
612 if (event) {
613 /* event has overflowed */
614 found = 1;
615 record_and_restart(event, val, regs, nmi);
616 } else {
617 /*
618 * Disabled counter is negative,
619 * reset it just in case.
620 */
621 write_pmc(i, 0);
622 }
623 }
624 }
625
626 /* PMM will keep counters frozen until we return from the interrupt. */
627 mtmsr(mfmsr() | MSR_PMM);
628 mtpmr(PMRN_PMGC0, PMGC0_PMIE | PMGC0_FCECE);
629 isync();
630
631 if (nmi)
632 nmi_exit();
633 else
634 irq_exit();
635}
636
637void hw_perf_event_setup(int cpu)
638{
639 struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu);
640
641 memset(cpuhw, 0, sizeof(*cpuhw));
642}
643
644int register_fsl_emb_pmu(struct fsl_emb_pmu *pmu)
645{
646 if (ppmu)
647 return -EBUSY; /* something's already registered */
648
649 ppmu = pmu;
650 pr_info("%s performance monitor hardware support registered\n",
651 pmu->name);
652
653 return 0;
654}
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 43238b2054b6..05131d634e73 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -43,6 +43,7 @@
43#include <asm/smp.h> 43#include <asm/smp.h>
44#include <asm/system.h> 44#include <asm/system.h>
45#include <asm/mmu.h> 45#include <asm/mmu.h>
46#include <asm/paca.h>
46#include <asm/pgtable.h> 47#include <asm/pgtable.h>
47#include <asm/pci.h> 48#include <asm/pci.h>
48#include <asm/iommu.h> 49#include <asm/iommu.h>
@@ -721,6 +722,8 @@ void __init early_init_devtree(void *params)
721 * FIXME .. and the initrd too? */ 722 * FIXME .. and the initrd too? */
722 move_device_tree(); 723 move_device_tree();
723 724
725 allocate_pacas();
726
724 DBG("Scanning CPUs ...\n"); 727 DBG("Scanning CPUs ...\n");
725 728
726 /* Retreive CPU related informations from the flat tree 729 /* Retreive CPU related informations from the flat tree
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index d9b05866615f..ed2cfe17d25e 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -940,7 +940,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
940{ 940{
941 switch (slot) { 941 switch (slot) {
942 case 1: 942 case 1:
943 if (child->thread.iac1 == 0) 943 if ((child->thread.dbcr0 & DBCR0_IAC1) == 0)
944 return -ENOENT; 944 return -ENOENT;
945 945
946 if (dbcr_iac_range(child) & DBCR_IAC12MODE) { 946 if (dbcr_iac_range(child) & DBCR_IAC12MODE) {
@@ -952,7 +952,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
952 child->thread.dbcr0 &= ~DBCR0_IAC1; 952 child->thread.dbcr0 &= ~DBCR0_IAC1;
953 break; 953 break;
954 case 2: 954 case 2:
955 if (child->thread.iac2 == 0) 955 if ((child->thread.dbcr0 & DBCR0_IAC2) == 0)
956 return -ENOENT; 956 return -ENOENT;
957 957
958 if (dbcr_iac_range(child) & DBCR_IAC12MODE) 958 if (dbcr_iac_range(child) & DBCR_IAC12MODE)
@@ -963,7 +963,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
963 break; 963 break;
964#if CONFIG_PPC_ADV_DEBUG_IACS > 2 964#if CONFIG_PPC_ADV_DEBUG_IACS > 2
965 case 3: 965 case 3:
966 if (child->thread.iac3 == 0) 966 if ((child->thread.dbcr0 & DBCR0_IAC3) == 0)
967 return -ENOENT; 967 return -ENOENT;
968 968
969 if (dbcr_iac_range(child) & DBCR_IAC34MODE) { 969 if (dbcr_iac_range(child) & DBCR_IAC34MODE) {
@@ -975,7 +975,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
975 child->thread.dbcr0 &= ~DBCR0_IAC3; 975 child->thread.dbcr0 &= ~DBCR0_IAC3;
976 break; 976 break;
977 case 4: 977 case 4:
978 if (child->thread.iac4 == 0) 978 if ((child->thread.dbcr0 & DBCR0_IAC4) == 0)
979 return -ENOENT; 979 return -ENOENT;
980 980
981 if (dbcr_iac_range(child) & DBCR_IAC34MODE) 981 if (dbcr_iac_range(child) & DBCR_IAC34MODE)
@@ -1054,7 +1054,7 @@ static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info)
1054static int del_dac(struct task_struct *child, int slot) 1054static int del_dac(struct task_struct *child, int slot)
1055{ 1055{
1056 if (slot == 1) { 1056 if (slot == 1) {
1057 if (child->thread.dac1 == 0) 1057 if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0)
1058 return -ENOENT; 1058 return -ENOENT;
1059 1059
1060 child->thread.dac1 = 0; 1060 child->thread.dac1 = 0;
@@ -1070,7 +1070,7 @@ static int del_dac(struct task_struct *child, int slot)
1070 child->thread.dvc1 = 0; 1070 child->thread.dvc1 = 0;
1071#endif 1071#endif
1072 } else if (slot == 2) { 1072 } else if (slot == 2) {
1073 if (child->thread.dac1 == 0) 1073 if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0)
1074 return -ENOENT; 1074 return -ENOENT;
1075 1075
1076#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE 1076#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 03dd6a248198..48f0a008b20b 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -36,6 +36,7 @@
36#include <linux/lmb.h> 36#include <linux/lmb.h>
37#include <linux/of_platform.h> 37#include <linux/of_platform.h>
38#include <asm/io.h> 38#include <asm/io.h>
39#include <asm/paca.h>
39#include <asm/prom.h> 40#include <asm/prom.h>
40#include <asm/processor.h> 41#include <asm/processor.h>
41#include <asm/vdso_datapage.h> 42#include <asm/vdso_datapage.h>
@@ -493,6 +494,8 @@ void __init smp_setup_cpu_maps(void)
493 * here will have to be reworked 494 * here will have to be reworked
494 */ 495 */
495 cpu_init_thread_core_maps(nthreads); 496 cpu_init_thread_core_maps(nthreads);
497
498 free_unused_pacas();
496} 499}
497#endif /* CONFIG_SMP */ 500#endif /* CONFIG_SMP */
498 501
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 6568406b2a30..63547394048c 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -144,9 +144,9 @@ early_param("smt-enabled", early_smt_enabled);
144#endif /* CONFIG_SMP */ 144#endif /* CONFIG_SMP */
145 145
146/* Put the paca pointer into r13 and SPRG_PACA */ 146/* Put the paca pointer into r13 and SPRG_PACA */
147void __init setup_paca(int cpu) 147static void __init setup_paca(struct paca_struct *new_paca)
148{ 148{
149 local_paca = &paca[cpu]; 149 local_paca = new_paca;
150 mtspr(SPRN_SPRG_PACA, local_paca); 150 mtspr(SPRN_SPRG_PACA, local_paca);
151#ifdef CONFIG_PPC_BOOK3E 151#ifdef CONFIG_PPC_BOOK3E
152 mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb); 152 mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb);
@@ -176,14 +176,12 @@ void __init early_setup(unsigned long dt_ptr)
176{ 176{
177 /* -------- printk is _NOT_ safe to use here ! ------- */ 177 /* -------- printk is _NOT_ safe to use here ! ------- */
178 178
179 /* Fill in any unititialised pacas */
180 initialise_pacas();
181
182 /* Identify CPU type */ 179 /* Identify CPU type */
183 identify_cpu(0, mfspr(SPRN_PVR)); 180 identify_cpu(0, mfspr(SPRN_PVR));
184 181
185 /* Assume we're on cpu 0 for now. Don't write to the paca yet! */ 182 /* Assume we're on cpu 0 for now. Don't write to the paca yet! */
186 setup_paca(0); 183 initialise_paca(&boot_paca, 0);
184 setup_paca(&boot_paca);
187 185
188 /* Initialize lockdep early or else spinlocks will blow */ 186 /* Initialize lockdep early or else spinlocks will blow */
189 lockdep_init(); 187 lockdep_init();
@@ -203,7 +201,7 @@ void __init early_setup(unsigned long dt_ptr)
203 early_init_devtree(__va(dt_ptr)); 201 early_init_devtree(__va(dt_ptr));
204 202
205 /* Now we know the logical id of our boot cpu, setup the paca. */ 203 /* Now we know the logical id of our boot cpu, setup the paca. */
206 setup_paca(boot_cpuid); 204 setup_paca(&paca[boot_cpuid]);
207 205
208 /* Fix up paca fields required for the boot cpu */ 206 /* Fix up paca fields required for the boot cpu */
209 get_paca()->cpu_start = 1; 207 get_paca()->cpu_start = 1;
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 9d962d7c72c1..d4a09f8705b5 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -24,7 +24,7 @@
24 24
25#include "pq2.h" 25#include "pq2.h"
26 26
27static DEFINE_SPINLOCK(pci_pic_lock); 27static DEFINE_RAW_SPINLOCK(pci_pic_lock);
28 28
29struct pq2ads_pci_pic { 29struct pq2ads_pci_pic {
30 struct device_node *node; 30 struct device_node *node;
@@ -45,12 +45,12 @@ static void pq2ads_pci_mask_irq(unsigned int virq)
45 45
46 if (irq != -1) { 46 if (irq != -1) {
47 unsigned long flags; 47 unsigned long flags;
48 spin_lock_irqsave(&pci_pic_lock, flags); 48 raw_spin_lock_irqsave(&pci_pic_lock, flags);
49 49
50 setbits32(&priv->regs->mask, 1 << irq); 50 setbits32(&priv->regs->mask, 1 << irq);
51 mb(); 51 mb();
52 52
53 spin_unlock_irqrestore(&pci_pic_lock, flags); 53 raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
54 } 54 }
55} 55}
56 56
@@ -62,9 +62,9 @@ static void pq2ads_pci_unmask_irq(unsigned int virq)
62 if (irq != -1) { 62 if (irq != -1) {
63 unsigned long flags; 63 unsigned long flags;
64 64
65 spin_lock_irqsave(&pci_pic_lock, flags); 65 raw_spin_lock_irqsave(&pci_pic_lock, flags);
66 clrbits32(&priv->regs->mask, 1 << irq); 66 clrbits32(&priv->regs->mask, 1 << irq);
67 spin_unlock_irqrestore(&pci_pic_lock, flags); 67 raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
68 } 68 }
69} 69}
70 70
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index 42e87f08aa01..d48527ffc425 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -50,7 +50,7 @@ static struct socrates_fpga_irq_info fpga_irqs[SOCRATES_FPGA_NUM_IRQS] = {
50 50
51#define socrates_fpga_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq) 51#define socrates_fpga_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
52 52
53static DEFINE_SPINLOCK(socrates_fpga_pic_lock); 53static DEFINE_RAW_SPINLOCK(socrates_fpga_pic_lock);
54 54
55static void __iomem *socrates_fpga_pic_iobase; 55static void __iomem *socrates_fpga_pic_iobase;
56static struct irq_host *socrates_fpga_pic_irq_host; 56static struct irq_host *socrates_fpga_pic_irq_host;
@@ -80,9 +80,9 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
80 if (i == 3) 80 if (i == 3)
81 return NO_IRQ; 81 return NO_IRQ;
82 82
83 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 83 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
84 cause = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(i)); 84 cause = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(i));
85 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 85 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
86 for (i = SOCRATES_FPGA_NUM_IRQS - 1; i >= 0; i--) { 86 for (i = SOCRATES_FPGA_NUM_IRQS - 1; i >= 0; i--) {
87 if (cause >> (i + 16)) 87 if (cause >> (i + 16))
88 break; 88 break;
@@ -116,12 +116,12 @@ static void socrates_fpga_pic_ack(unsigned int virq)
116 hwirq = socrates_fpga_irq_to_hw(virq); 116 hwirq = socrates_fpga_irq_to_hw(virq);
117 117
118 irq_line = fpga_irqs[hwirq].irq_line; 118 irq_line = fpga_irqs[hwirq].irq_line;
119 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 119 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
120 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line)) 120 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
121 & SOCRATES_FPGA_IRQ_MASK; 121 & SOCRATES_FPGA_IRQ_MASK;
122 mask |= (1 << (hwirq + 16)); 122 mask |= (1 << (hwirq + 16));
123 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask); 123 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
124 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 124 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
125} 125}
126 126
127static void socrates_fpga_pic_mask(unsigned int virq) 127static void socrates_fpga_pic_mask(unsigned int virq)
@@ -134,12 +134,12 @@ static void socrates_fpga_pic_mask(unsigned int virq)
134 hwirq = socrates_fpga_irq_to_hw(virq); 134 hwirq = socrates_fpga_irq_to_hw(virq);
135 135
136 irq_line = fpga_irqs[hwirq].irq_line; 136 irq_line = fpga_irqs[hwirq].irq_line;
137 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 137 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
138 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line)) 138 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
139 & SOCRATES_FPGA_IRQ_MASK; 139 & SOCRATES_FPGA_IRQ_MASK;
140 mask &= ~(1 << hwirq); 140 mask &= ~(1 << hwirq);
141 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask); 141 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
142 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 142 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
143} 143}
144 144
145static void socrates_fpga_pic_mask_ack(unsigned int virq) 145static void socrates_fpga_pic_mask_ack(unsigned int virq)
@@ -152,13 +152,13 @@ static void socrates_fpga_pic_mask_ack(unsigned int virq)
152 hwirq = socrates_fpga_irq_to_hw(virq); 152 hwirq = socrates_fpga_irq_to_hw(virq);
153 153
154 irq_line = fpga_irqs[hwirq].irq_line; 154 irq_line = fpga_irqs[hwirq].irq_line;
155 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 155 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
156 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line)) 156 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
157 & SOCRATES_FPGA_IRQ_MASK; 157 & SOCRATES_FPGA_IRQ_MASK;
158 mask &= ~(1 << hwirq); 158 mask &= ~(1 << hwirq);
159 mask |= (1 << (hwirq + 16)); 159 mask |= (1 << (hwirq + 16));
160 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask); 160 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
161 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 161 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
162} 162}
163 163
164static void socrates_fpga_pic_unmask(unsigned int virq) 164static void socrates_fpga_pic_unmask(unsigned int virq)
@@ -171,12 +171,12 @@ static void socrates_fpga_pic_unmask(unsigned int virq)
171 hwirq = socrates_fpga_irq_to_hw(virq); 171 hwirq = socrates_fpga_irq_to_hw(virq);
172 172
173 irq_line = fpga_irqs[hwirq].irq_line; 173 irq_line = fpga_irqs[hwirq].irq_line;
174 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 174 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
175 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line)) 175 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
176 & SOCRATES_FPGA_IRQ_MASK; 176 & SOCRATES_FPGA_IRQ_MASK;
177 mask |= (1 << hwirq); 177 mask |= (1 << hwirq);
178 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask); 178 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
179 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 179 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
180} 180}
181 181
182static void socrates_fpga_pic_eoi(unsigned int virq) 182static void socrates_fpga_pic_eoi(unsigned int virq)
@@ -189,12 +189,12 @@ static void socrates_fpga_pic_eoi(unsigned int virq)
189 hwirq = socrates_fpga_irq_to_hw(virq); 189 hwirq = socrates_fpga_irq_to_hw(virq);
190 190
191 irq_line = fpga_irqs[hwirq].irq_line; 191 irq_line = fpga_irqs[hwirq].irq_line;
192 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 192 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
193 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line)) 193 mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
194 & SOCRATES_FPGA_IRQ_MASK; 194 & SOCRATES_FPGA_IRQ_MASK;
195 mask |= (1 << (hwirq + 16)); 195 mask |= (1 << (hwirq + 16));
196 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask); 196 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
197 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 197 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
198} 198}
199 199
200static int socrates_fpga_pic_set_type(unsigned int virq, 200static int socrates_fpga_pic_set_type(unsigned int virq,
@@ -220,14 +220,14 @@ static int socrates_fpga_pic_set_type(unsigned int virq,
220 default: 220 default:
221 return -EINVAL; 221 return -EINVAL;
222 } 222 }
223 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 223 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
224 mask = socrates_fpga_pic_read(FPGA_PIC_IRQCFG); 224 mask = socrates_fpga_pic_read(FPGA_PIC_IRQCFG);
225 if (polarity) 225 if (polarity)
226 mask |= (1 << hwirq); 226 mask |= (1 << hwirq);
227 else 227 else
228 mask &= ~(1 << hwirq); 228 mask &= ~(1 << hwirq);
229 socrates_fpga_pic_write(FPGA_PIC_IRQCFG, mask); 229 socrates_fpga_pic_write(FPGA_PIC_IRQCFG, mask);
230 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 230 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
231 return 0; 231 return 0;
232} 232}
233 233
@@ -314,14 +314,14 @@ void socrates_fpga_pic_init(struct device_node *pic)
314 314
315 socrates_fpga_pic_iobase = of_iomap(pic, 0); 315 socrates_fpga_pic_iobase = of_iomap(pic, 0);
316 316
317 spin_lock_irqsave(&socrates_fpga_pic_lock, flags); 317 raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
318 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(0), 318 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(0),
319 SOCRATES_FPGA_IRQ_MASK << 16); 319 SOCRATES_FPGA_IRQ_MASK << 16);
320 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(1), 320 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(1),
321 SOCRATES_FPGA_IRQ_MASK << 16); 321 SOCRATES_FPGA_IRQ_MASK << 16);
322 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(2), 322 socrates_fpga_pic_write(FPGA_PIC_IRQMASK(2),
323 SOCRATES_FPGA_IRQ_MASK << 16); 323 SOCRATES_FPGA_IRQ_MASK << 16);
324 spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags); 324 raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
325 325
326 pr_info("FPGA PIC: Setting up Socrates FPGA PIC\n"); 326 pr_info("FPGA PIC: Setting up Socrates FPGA PIC\n");
327} 327}
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 2bbfd530d6d8..fbe9f3621424 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -33,32 +33,32 @@ config MPC8610_HPCD
33 This option enables support for the MPC8610 HPCD board. 33 This option enables support for the MPC8610 HPCD board.
34 34
35config GEF_PPC9A 35config GEF_PPC9A
36 bool "GE Fanuc PPC9A" 36 bool "GE PPC9A"
37 select DEFAULT_UIMAGE 37 select DEFAULT_UIMAGE
38 select MMIO_NVRAM 38 select MMIO_NVRAM
39 select GENERIC_GPIO 39 select GENERIC_GPIO
40 select ARCH_REQUIRE_GPIOLIB 40 select ARCH_REQUIRE_GPIOLIB
41 help 41 help
42 This option enables support for GE Fanuc's PPC9A. 42 This option enables support for the GE PPC9A.
43 43
44config GEF_SBC310 44config GEF_SBC310
45 bool "GE Fanuc SBC310" 45 bool "GE SBC310"
46 select DEFAULT_UIMAGE 46 select DEFAULT_UIMAGE
47 select MMIO_NVRAM 47 select MMIO_NVRAM
48 select GENERIC_GPIO 48 select GENERIC_GPIO
49 select ARCH_REQUIRE_GPIOLIB 49 select ARCH_REQUIRE_GPIOLIB
50 help 50 help
51 This option enables support for GE Fanuc's SBC310. 51 This option enables support for the GE SBC310.
52 52
53config GEF_SBC610 53config GEF_SBC610
54 bool "GE Fanuc SBC610" 54 bool "GE SBC610"
55 select DEFAULT_UIMAGE 55 select DEFAULT_UIMAGE
56 select MMIO_NVRAM 56 select MMIO_NVRAM
57 select GENERIC_GPIO 57 select GENERIC_GPIO
58 select ARCH_REQUIRE_GPIOLIB 58 select ARCH_REQUIRE_GPIOLIB
59 select HAS_RAPIDIO 59 select HAS_RAPIDIO
60 help 60 help
61 This option enables support for GE Fanuc's SBC610. 61 This option enables support for the GE SBC610.
62 62
63endif 63endif
64 64
diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/arch/powerpc/platforms/86xx/gef_gpio.c
index b2ea8875adba..11f7b2b6f49e 100644
--- a/arch/powerpc/platforms/86xx/gef_gpio.c
+++ b/arch/powerpc/platforms/86xx/gef_gpio.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * Driver for GE Fanuc's FPGA based GPIO pins 2 * Driver for GE FPGA based GPIO
3 * 3 *
4 * Author: Martyn Welch <martyn.welch@gefanuc.com> 4 * Author: Martyn Welch <martyn.welch@ge.com>
5 * 5 *
6 * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc. 6 * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
7 * 7 *
8 * This file is licensed under the terms of the GNU General Public License 8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" without any warranty of any 9 * version 2. This program is licensed "as is" without any warranty of any
@@ -164,6 +164,6 @@ static int __init gef_gpio_init(void)
164}; 164};
165arch_initcall(gef_gpio_init); 165arch_initcall(gef_gpio_init);
166 166
167MODULE_DESCRIPTION("GE Fanuc I/O FPGA GPIO driver"); 167MODULE_DESCRIPTION("GE I/O FPGA GPIO driver");
168MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com"); 168MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
169MODULE_LICENSE("GPL"); 169MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c
index 0110a8736d33..6df9e2561c06 100644
--- a/arch/powerpc/platforms/86xx/gef_pic.c
+++ b/arch/powerpc/platforms/86xx/gef_pic.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * Interrupt handling for GE Fanuc's FPGA based PIC 2 * Interrupt handling for GE FPGA based PIC
3 * 3 *
4 * Author: Martyn Welch <martyn.welch@gefanuc.com> 4 * Author: Martyn Welch <martyn.welch@ge.com>
5 * 5 *
6 * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc. 6 * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
7 * 7 *
8 * This file is licensed under the terms of the GNU General Public License 8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" without any warranty of any 9 * version 2. This program is licensed "as is" without any warranty of any
@@ -49,7 +49,7 @@
49#define gef_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq) 49#define gef_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
50 50
51 51
52static DEFINE_SPINLOCK(gef_pic_lock); 52static DEFINE_RAW_SPINLOCK(gef_pic_lock);
53 53
54static void __iomem *gef_pic_irq_reg_base; 54static void __iomem *gef_pic_irq_reg_base;
55static struct irq_host *gef_pic_irq_host; 55static struct irq_host *gef_pic_irq_host;
@@ -118,11 +118,11 @@ static void gef_pic_mask(unsigned int virq)
118 118
119 hwirq = gef_irq_to_hw(virq); 119 hwirq = gef_irq_to_hw(virq);
120 120
121 spin_lock_irqsave(&gef_pic_lock, flags); 121 raw_spin_lock_irqsave(&gef_pic_lock, flags);
122 mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0)); 122 mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
123 mask &= ~(1 << hwirq); 123 mask &= ~(1 << hwirq);
124 out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask); 124 out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
125 spin_unlock_irqrestore(&gef_pic_lock, flags); 125 raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
126} 126}
127 127
128static void gef_pic_mask_ack(unsigned int virq) 128static void gef_pic_mask_ack(unsigned int virq)
@@ -141,11 +141,11 @@ static void gef_pic_unmask(unsigned int virq)
141 141
142 hwirq = gef_irq_to_hw(virq); 142 hwirq = gef_irq_to_hw(virq);
143 143
144 spin_lock_irqsave(&gef_pic_lock, flags); 144 raw_spin_lock_irqsave(&gef_pic_lock, flags);
145 mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0)); 145 mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
146 mask |= (1 << hwirq); 146 mask |= (1 << hwirq);
147 out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask); 147 out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
148 spin_unlock_irqrestore(&gef_pic_lock, flags); 148 raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
149} 149}
150 150
151static struct irq_chip gef_pic_chip = { 151static struct irq_chip gef_pic_chip = {
@@ -199,7 +199,7 @@ void __init gef_pic_init(struct device_node *np)
199 /* Map the devices registers into memory */ 199 /* Map the devices registers into memory */
200 gef_pic_irq_reg_base = of_iomap(np, 0); 200 gef_pic_irq_reg_base = of_iomap(np, 0);
201 201
202 spin_lock_irqsave(&gef_pic_lock, flags); 202 raw_spin_lock_irqsave(&gef_pic_lock, flags);
203 203
204 /* Initialise everything as masked. */ 204 /* Initialise everything as masked. */
205 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0); 205 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0);
@@ -208,7 +208,7 @@ void __init gef_pic_init(struct device_node *np)
208 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0); 208 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0);
209 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0); 209 out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0);
210 210
211 spin_unlock_irqrestore(&gef_pic_lock, flags); 211 raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
212 212
213 /* Map controller */ 213 /* Map controller */
214 gef_pic_cascade_irq = irq_of_parse_and_map(np, 0); 214 gef_pic_cascade_irq = irq_of_parse_and_map(np, 0);
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index a792e5d85813..60ce07e39100 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * GE Fanuc PPC9A board support 2 * GE PPC9A board support
3 * 3 *
4 * Author: Martyn Welch <martyn.welch@gefanuc.com> 4 * Author: Martyn Welch <martyn.welch@ge.com>
5 * 5 *
6 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 6 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify it 8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the 9 * under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_ppc9a_setup_arch(void)
82 } 82 }
83#endif 83#endif
84 84
85 printk(KERN_INFO "GE Fanuc Intelligent Platforms PPC9A 6U VME SBC\n"); 85 printk(KERN_INFO "GE Intelligent Platforms PPC9A 6U VME SBC\n");
86 86
87#ifdef CONFIG_SMP 87#ifdef CONFIG_SMP
88 mpc86xx_smp_init(); 88 mpc86xx_smp_init();
@@ -151,7 +151,7 @@ static void gef_ppc9a_show_cpuinfo(struct seq_file *m)
151{ 151{
152 uint svid = mfspr(SPRN_SVR); 152 uint svid = mfspr(SPRN_SVR);
153 153
154 seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); 154 seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
155 155
156 seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(), 156 seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(),
157 ('A' + gef_ppc9a_get_board_rev())); 157 ('A' + gef_ppc9a_get_board_rev()));
@@ -235,7 +235,7 @@ static int __init declare_of_platform_devices(void)
235machine_device_initcall(gef_ppc9a, declare_of_platform_devices); 235machine_device_initcall(gef_ppc9a, declare_of_platform_devices);
236 236
237define_machine(gef_ppc9a) { 237define_machine(gef_ppc9a) {
238 .name = "GE Fanuc PPC9A", 238 .name = "GE PPC9A",
239 .probe = gef_ppc9a_probe, 239 .probe = gef_ppc9a_probe,
240 .setup_arch = gef_ppc9a_setup_arch, 240 .setup_arch = gef_ppc9a_setup_arch,
241 .init_IRQ = gef_ppc9a_init_irq, 241 .init_IRQ = gef_ppc9a_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index 6a1a613836c2..3ecee25bf3ed 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * GE Fanuc SBC310 board support 2 * GE SBC310 board support
3 * 3 *
4 * Author: Martyn Welch <martyn.welch@gefanuc.com> 4 * Author: Martyn Welch <martyn.welch@ge.com>
5 * 5 *
6 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 6 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify it 8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the 9 * under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc310_setup_arch(void)
82 } 82 }
83#endif 83#endif
84 84
85 printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC310 6U VPX SBC\n"); 85 printk(KERN_INFO "GE Intelligent Platforms SBC310 6U VPX SBC\n");
86 86
87#ifdef CONFIG_SMP 87#ifdef CONFIG_SMP
88 mpc86xx_smp_init(); 88 mpc86xx_smp_init();
@@ -142,7 +142,7 @@ static void gef_sbc310_show_cpuinfo(struct seq_file *m)
142{ 142{
143 uint svid = mfspr(SPRN_SVR); 143 uint svid = mfspr(SPRN_SVR);
144 144
145 seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); 145 seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
146 146
147 seq_printf(m, "Board ID\t: 0x%2.2x\n", gef_sbc310_get_board_id()); 147 seq_printf(m, "Board ID\t: 0x%2.2x\n", gef_sbc310_get_board_id());
148 seq_printf(m, "Revision\t: %u%c\n", gef_sbc310_get_pcb_rev(), 148 seq_printf(m, "Revision\t: %u%c\n", gef_sbc310_get_pcb_rev(),
@@ -223,7 +223,7 @@ static int __init declare_of_platform_devices(void)
223machine_device_initcall(gef_sbc310, declare_of_platform_devices); 223machine_device_initcall(gef_sbc310, declare_of_platform_devices);
224 224
225define_machine(gef_sbc310) { 225define_machine(gef_sbc310) {
226 .name = "GE Fanuc SBC310", 226 .name = "GE SBC310",
227 .probe = gef_sbc310_probe, 227 .probe = gef_sbc310_probe,
228 .setup_arch = gef_sbc310_setup_arch, 228 .setup_arch = gef_sbc310_setup_arch,
229 .init_IRQ = gef_sbc310_init_irq, 229 .init_IRQ = gef_sbc310_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index e10688a0fc4e..5090d608d9ee 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -1,9 +1,9 @@
1/* 1/*
2 * GE Fanuc SBC610 board support 2 * GE SBC610 board support
3 * 3 *
4 * Author: Martyn Welch <martyn.welch@gefanuc.com> 4 * Author: Martyn Welch <martyn.welch@ge.com>
5 * 5 *
6 * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. 6 * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify it 8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the 9 * under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc610_setup_arch(void)
82 } 82 }
83#endif 83#endif
84 84
85 printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n"); 85 printk(KERN_INFO "GE Intelligent Platforms SBC610 6U VPX SBC\n");
86 86
87#ifdef CONFIG_SMP 87#ifdef CONFIG_SMP
88 mpc86xx_smp_init(); 88 mpc86xx_smp_init();
@@ -133,7 +133,7 @@ static void gef_sbc610_show_cpuinfo(struct seq_file *m)
133{ 133{
134 uint svid = mfspr(SPRN_SVR); 134 uint svid = mfspr(SPRN_SVR);
135 135
136 seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); 136 seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
137 137
138 seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(), 138 seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(),
139 ('A' + gef_sbc610_get_board_rev() - 1)); 139 ('A' + gef_sbc610_get_board_rev() - 1));
@@ -212,7 +212,7 @@ static int __init declare_of_platform_devices(void)
212machine_device_initcall(gef_sbc610, declare_of_platform_devices); 212machine_device_initcall(gef_sbc610, declare_of_platform_devices);
213 213
214define_machine(gef_sbc610) { 214define_machine(gef_sbc610) {
215 .name = "GE Fanuc SBC610", 215 .name = "GE SBC610",
216 .probe = gef_sbc610_probe, 216 .probe = gef_sbc610_probe,
217 .setup_arch = gef_sbc610_setup_arch, 217 .setup_arch = gef_sbc610_setup_arch,
218 .init_IRQ = gef_sbc610_init_irq, 218 .init_IRQ = gef_sbc610_init_irq,
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index fa0f690d3867..a8aae0b54579 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -144,6 +144,16 @@ config FSL_EMB_PERFMON
144 and some e300 cores (c3 and c4). Select this only if your 144 and some e300 cores (c3 and c4). Select this only if your
145 core supports the Embedded Performance Monitor APU 145 core supports the Embedded Performance Monitor APU
146 146
147config FSL_EMB_PERF_EVENT
148 bool
149 depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
150 default y
151
152config FSL_EMB_PERF_EVENT_E500
153 bool
154 depends on FSL_EMB_PERF_EVENT && E500
155 default y
156
147config 4xx 157config 4xx
148 bool 158 bool
149 depends on 40x || 44x 159 depends on 40x || 44x
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 5369653dcf6a..fba5bf915073 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -43,17 +43,14 @@ system_reset_iSeries:
43 LOAD_REG_ADDR(r23, alpaca) 43 LOAD_REG_ADDR(r23, alpaca)
44 li r0,ALPACA_SIZE 44 li r0,ALPACA_SIZE
45 sub r23,r13,r23 45 sub r23,r13,r23
46 divdu r23,r23,r0 /* r23 has cpu number */ 46 divdu r24,r23,r0 /* r24 has cpu number */
47 LOAD_REG_ADDR(r13, paca)
48 mulli r0,r23,PACA_SIZE
49 add r13,r13,r0
50 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
51 mfmsr r24
52 ori r24,r24,MSR_RI
53 mtmsrd r24 /* RI on */
54 mr r24,r23
55 cmpwi 0,r24,0 /* Are we processor 0? */ 47 cmpwi 0,r24,0 /* Are we processor 0? */
56 bne 1f 48 bne 1f
49 LOAD_REG_ADDR(r13, boot_paca)
50 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
51 mfmsr r23
52 ori r23,r23,MSR_RI
53 mtmsrd r23 /* RI on */
57 b .__start_initialization_iSeries /* Start up the first processor */ 54 b .__start_initialization_iSeries /* Start up the first processor */
581: mfspr r4,SPRN_CTRLF 551: mfspr r4,SPRN_CTRLF
59 li r5,CTRL_RUNLATCH /* Turn off the run light */ 56 li r5,CTRL_RUNLATCH /* Turn off the run light */
@@ -86,6 +83,16 @@ system_reset_iSeries:
86#endif 83#endif
87 84
882: 852:
86 /* Load our paca now that it's been allocated */
87 LOAD_REG_ADDR(r13, paca)
88 ld r13,0(r13)
89 mulli r0,r24,PACA_SIZE
90 add r13,r13,r0
91 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
92 mfmsr r23
93 ori r23,r23,MSR_RI
94 mtmsrd r23 /* RI on */
95
89 HMT_LOW 96 HMT_LOW
90#ifdef CONFIG_SMP 97#ifdef CONFIG_SMP
91 lbz r23,PACAPROCSTART(r13) /* Test if this processor 98 lbz r23,PACAPROCSTART(r13) /* Test if this processor
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index d1b124e44d77..a8e1d5d17a28 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -122,44 +122,32 @@ static void pseries_mach_cpu_die(void)
122 if (!get_lppaca()->shared_proc) 122 if (!get_lppaca()->shared_proc)
123 get_lppaca()->donate_dedicated_cpu = 1; 123 get_lppaca()->donate_dedicated_cpu = 1;
124 124
125 printk(KERN_INFO
126 "cpu %u (hwid %u) ceding for offline with hint %d\n",
127 cpu, hwcpu, cede_latency_hint);
128 while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) { 125 while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
129 extended_cede_processor(cede_latency_hint); 126 extended_cede_processor(cede_latency_hint);
130 printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n",
131 cpu, hwcpu);
132 printk(KERN_INFO
133 "Decrementer value = %x Timebase value = %llx\n",
134 get_dec(), get_tb());
135 } 127 }
136 128
137 printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n",
138 cpu, hwcpu);
139
140 if (!get_lppaca()->shared_proc) 129 if (!get_lppaca()->shared_proc)
141 get_lppaca()->donate_dedicated_cpu = 0; 130 get_lppaca()->donate_dedicated_cpu = 0;
142 get_lppaca()->idle = 0; 131 get_lppaca()->idle = 0;
143 }
144 132
145 if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) { 133 if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
146 unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); 134 unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
147 135
148 /* 136 /*
149 * NOTE: Calling start_secondary() here for now to 137 * Call to start_secondary_resume() will not return.
150 * start new context. 138 * Kernel stack will be reset and start_secondary()
151 * However, need to do it cleanly by resetting the 139 * will be called to continue the online operation.
152 * stack pointer. 140 */
153 */ 141 start_secondary_resume();
154 start_secondary(); 142 }
143 }
155 144
156 } else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) { 145 /* Requested state is CPU_STATE_OFFLINE at this point */
146 WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE);
157 147
158 set_cpu_current_state(cpu, CPU_STATE_OFFLINE); 148 set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
159 unregister_slb_shadow(hard_smp_processor_id(), 149 unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
160 __pa(get_slb_shadow())); 150 rtas_stop_self();
161 rtas_stop_self();
162 }
163 151
164 /* Should never get here... */ 152 /* Should never get here... */
165 BUG(); 153 BUG();
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 22574e0d9d91..75a6f480d931 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -9,10 +9,31 @@ enum cpu_state_vals {
9 CPU_MAX_OFFLINE_STATES 9 CPU_MAX_OFFLINE_STATES
10}; 10};
11 11
12#ifdef CONFIG_HOTPLUG_CPU
12extern enum cpu_state_vals get_cpu_current_state(int cpu); 13extern enum cpu_state_vals get_cpu_current_state(int cpu);
13extern void set_cpu_current_state(int cpu, enum cpu_state_vals state); 14extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
14extern enum cpu_state_vals get_preferred_offline_state(int cpu);
15extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state); 15extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
16extern void set_default_offline_state(int cpu); 16extern void set_default_offline_state(int cpu);
17#else
18static inline enum cpu_state_vals get_cpu_current_state(int cpu)
19{
20 return CPU_STATE_ONLINE;
21}
22
23static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
24{
25}
26
27static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
28{
29}
30
31static inline void set_default_offline_state(int cpu)
32{
33}
34#endif
35
36extern enum cpu_state_vals get_preferred_offline_state(int cpu);
17extern int start_secondary(void); 37extern int start_secondary(void);
38extern void start_secondary_resume(void);
18#endif 39#endif
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 0603c91538ae..a05f8d427856 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -259,12 +259,12 @@ static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
259 return plpar_hcall_norets(H_IPI, servernum, mfrr); 259 return plpar_hcall_norets(H_IPI, servernum, mfrr);
260} 260}
261 261
262static inline long plpar_xirr(unsigned long *xirr_ret) 262static inline long plpar_xirr(unsigned long *xirr_ret, unsigned char cppr)
263{ 263{
264 long rc; 264 long rc;
265 unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; 265 unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
266 266
267 rc = plpar_hcall(H_XIRR, retbuf); 267 rc = plpar_hcall(H_XIRR, retbuf, cppr);
268 268
269 *xirr_ret = retbuf[0]; 269 *xirr_ret = retbuf[0];
270 270
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 4ca641042ec3..1bcedd8b4616 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -120,12 +120,12 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
120 120
121/* LPAR low level accessors */ 121/* LPAR low level accessors */
122 122
123static inline unsigned int lpar_xirr_info_get(void) 123static inline unsigned int lpar_xirr_info_get(unsigned char cppr)
124{ 124{
125 unsigned long lpar_rc; 125 unsigned long lpar_rc;
126 unsigned long return_value; 126 unsigned long return_value;
127 127
128 lpar_rc = plpar_xirr(&return_value); 128 lpar_rc = plpar_xirr(&return_value, cppr);
129 if (lpar_rc != H_SUCCESS) 129 if (lpar_rc != H_SUCCESS)
130 panic(" bad return code xirr - rc = %lx\n", lpar_rc); 130 panic(" bad return code xirr - rc = %lx\n", lpar_rc);
131 return (unsigned int)return_value; 131 return (unsigned int)return_value;
@@ -331,7 +331,8 @@ static unsigned int xics_get_irq_direct(void)
331 331
332static unsigned int xics_get_irq_lpar(void) 332static unsigned int xics_get_irq_lpar(void)
333{ 333{
334 unsigned int xirr = lpar_xirr_info_get(); 334 struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
335 unsigned int xirr = lpar_xirr_info_get(os_cppr->stack[os_cppr->index]);
335 unsigned int vec = xics_xirr_vector(xirr); 336 unsigned int vec = xics_xirr_vector(xirr);
336 unsigned int irq; 337 unsigned int irq;
337 338
diff --git a/arch/powerpc/sysdev/cpm2_pic.h b/arch/powerpc/sysdev/cpm2_pic.h
index 30e5828a2781..2c5f70c24485 100644
--- a/arch/powerpc/sysdev/cpm2_pic.h
+++ b/arch/powerpc/sysdev/cpm2_pic.h
@@ -3,6 +3,6 @@
3 3
4extern unsigned int cpm2_get_irq(void); 4extern unsigned int cpm2_get_irq(void);
5 5
6extern void cpm2_pic_init(struct device_node*); 6extern void cpm2_pic_init(struct device_node *);
7 7
8#endif /* _PPC_KERNEL_CPM2_H */ 8#endif /* _PPC_KERNEL_CPM2_H */
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index d927da893ec4..541ba9863647 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -33,7 +33,7 @@
33 33
34#include "qe_ic.h" 34#include "qe_ic.h"
35 35
36static DEFINE_SPINLOCK(qe_ic_lock); 36static DEFINE_RAW_SPINLOCK(qe_ic_lock);
37 37
38static struct qe_ic_info qe_ic_info[] = { 38static struct qe_ic_info qe_ic_info[] = {
39 [1] = { 39 [1] = {
@@ -201,13 +201,13 @@ static void qe_ic_unmask_irq(unsigned int virq)
201 unsigned long flags; 201 unsigned long flags;
202 u32 temp; 202 u32 temp;
203 203
204 spin_lock_irqsave(&qe_ic_lock, flags); 204 raw_spin_lock_irqsave(&qe_ic_lock, flags);
205 205
206 temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg); 206 temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
207 qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg, 207 qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
208 temp | qe_ic_info[src].mask); 208 temp | qe_ic_info[src].mask);
209 209
210 spin_unlock_irqrestore(&qe_ic_lock, flags); 210 raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
211} 211}
212 212
213static void qe_ic_mask_irq(unsigned int virq) 213static void qe_ic_mask_irq(unsigned int virq)
@@ -217,7 +217,7 @@ static void qe_ic_mask_irq(unsigned int virq)
217 unsigned long flags; 217 unsigned long flags;
218 u32 temp; 218 u32 temp;
219 219
220 spin_lock_irqsave(&qe_ic_lock, flags); 220 raw_spin_lock_irqsave(&qe_ic_lock, flags);
221 221
222 temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg); 222 temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
223 qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg, 223 qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
@@ -233,7 +233,7 @@ static void qe_ic_mask_irq(unsigned int virq)
233 */ 233 */
234 mb(); 234 mb();
235 235
236 spin_unlock_irqrestore(&qe_ic_lock, flags); 236 raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
237} 237}
238 238
239static struct irq_chip qe_ic_irq_chip = { 239static struct irq_chip qe_ic_irq_chip = {
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 12:36:52 -0500