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-rw-r--r--arch/powerpc/boot/addnote.c4
-rw-r--r--arch/powerpc/boot/dts/bluestone.dts254
-rw-r--r--arch/powerpc/boot/dts/mpc8308_p1m.dts332
-rw-r--r--arch/powerpc/boot/dts/p1022ds.dts11
-rw-r--r--arch/powerpc/configs/44x/bluestone_defconfig68
-rw-r--r--arch/powerpc/configs/e55xx_smp_defconfig84
-rw-r--r--arch/powerpc/configs/ppc44x_defconfig9
-rw-r--r--arch/powerpc/configs/ppc64e_defconfig4
-rw-r--r--arch/powerpc/include/asm/checksum.h10
-rw-r--r--arch/powerpc/include/asm/compat.h4
-rw-r--r--arch/powerpc/include/asm/cputable.h14
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h14
-rw-r--r--arch/powerpc/include/asm/elf.h2
-rw-r--r--arch/powerpc/include/asm/exception-64s.h3
-rw-r--r--arch/powerpc/include/asm/fsl_85xx_cache_sram.h48
-rw-r--r--arch/powerpc/include/asm/kexec.h1
-rw-r--r--arch/powerpc/include/asm/kvm_fpu.h4
-rw-r--r--arch/powerpc/include/asm/lppaca.h29
-rw-r--r--arch/powerpc/include/asm/machdep.h3
-rw-r--r--arch/powerpc/include/asm/mmu-book3e.h15
-rw-r--r--arch/powerpc/include/asm/paca.h10
-rw-r--r--arch/powerpc/include/asm/page_64.h4
-rw-r--r--arch/powerpc/include/asm/ppc-pci.h4
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h50
-rw-r--r--arch/powerpc/include/asm/processor.h4
-rw-r--r--arch/powerpc/include/asm/pte-common.h7
-rw-r--r--arch/powerpc/include/asm/rtas.h1
-rw-r--r--arch/powerpc/include/asm/systbl.h19
-rw-r--r--arch/powerpc/include/asm/system.h4
-rw-r--r--arch/powerpc/include/asm/time.h5
-rw-r--r--arch/powerpc/include/asm/unistd.h21
-rw-r--r--arch/powerpc/kernel/Makefile4
-rw-r--r--arch/powerpc/kernel/align.c4
-rw-r--r--arch/powerpc/kernel/asm-offsets.c12
-rw-r--r--arch/powerpc/kernel/cpu_setup_44x.S1
-rw-r--r--arch/powerpc/kernel/cpu_setup_fsl_booke.S15
-rw-r--r--arch/powerpc/kernel/cputable.c43
-rw-r--r--arch/powerpc/kernel/crash.c13
-rw-r--r--arch/powerpc/kernel/dma-iommu.c21
-rw-r--r--arch/powerpc/kernel/dma.c20
-rw-r--r--arch/powerpc/kernel/entry_64.S40
-rw-r--r--arch/powerpc/kernel/fpu.S10
-rw-r--r--arch/powerpc/kernel/head_fsl_booke.S10
-rw-r--r--arch/powerpc/kernel/irq.c6
-rw-r--r--arch/powerpc/kernel/lparcfg.c14
-rw-r--r--arch/powerpc/kernel/machine_kexec.c24
-rw-r--r--arch/powerpc/kernel/machine_kexec_32.c4
-rw-r--r--arch/powerpc/kernel/paca.c70
-rw-r--r--arch/powerpc/kernel/pci-common.c4
-rw-r--r--arch/powerpc/kernel/ppc970-pmu.c2
-rw-r--r--arch/powerpc/kernel/process.c12
-rw-r--r--arch/powerpc/kernel/ptrace.c2
-rw-r--r--arch/powerpc/kernel/rtas.c4
-rw-r--r--arch/powerpc/kernel/setup_32.c2
-rw-r--r--arch/powerpc/kernel/smp.c14
-rw-r--r--arch/powerpc/kernel/time.c275
-rw-r--r--arch/powerpc/kernel/traps.c5
-rw-r--r--arch/powerpc/kernel/vdso.c6
-rw-r--r--arch/powerpc/kernel/vdso32/Makefile6
-rw-r--r--arch/powerpc/kernel/vdso64/Makefile6
-rw-r--r--arch/powerpc/kernel/vio.c10
-rw-r--r--arch/powerpc/kvm/Makefile2
-rw-r--r--arch/powerpc/kvm/book3s_paired_singles.c44
-rw-r--r--arch/powerpc/kvm/emulate.c4
-rw-r--r--arch/powerpc/kvm/fpu.S8
-rw-r--r--arch/powerpc/lib/Makefile7
-rw-r--r--arch/powerpc/lib/checksum_64.S482
-rw-r--r--arch/powerpc/lib/checksum_wrappers_64.c102
-rw-r--r--arch/powerpc/lib/copy_32.S2
-rw-r--r--arch/powerpc/lib/ldstfp.S36
-rw-r--r--arch/powerpc/lib/locks.c4
-rw-r--r--arch/powerpc/lib/sstep.c8
-rw-r--r--arch/powerpc/math-emu/Makefile2
-rw-r--r--arch/powerpc/mm/Makefile6
-rw-r--r--arch/powerpc/mm/fault.c6
-rw-r--r--arch/powerpc/mm/fsl_booke_mmu.c15
-rw-r--r--arch/powerpc/mm/mmu_context_nohash.c6
-rw-r--r--arch/powerpc/mm/mmu_decl.h5
-rw-r--r--arch/powerpc/mm/tlb_nohash.c56
-rw-r--r--arch/powerpc/mm/tlb_nohash_low.S2
-rw-r--r--arch/powerpc/oprofile/Makefile4
-rw-r--r--arch/powerpc/oprofile/backtrace.c2
-rw-r--r--arch/powerpc/oprofile/op_model_fsl_emb.c15
-rw-r--r--arch/powerpc/platforms/44x/Kconfig16
-rw-r--r--arch/powerpc/platforms/44x/ppc44x_simple.c1
-rw-r--r--arch/powerpc/platforms/83xx/Kconfig4
-rw-r--r--arch/powerpc/platforms/83xx/mpc830x_rdb.c3
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig28
-rw-r--r--arch/powerpc/platforms/85xx/Makefile2
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c2
-rw-r--r--arch/powerpc/platforms/85xx/p3041_ds.c64
-rw-r--r--arch/powerpc/platforms/85xx/p5020_ds.c69
-rw-r--r--arch/powerpc/platforms/85xx/smp.c83
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype8
-rw-r--r--arch/powerpc/platforms/cell/ras.c4
-rw-r--r--arch/powerpc/platforms/cell/spider-pic.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/file.c18
-rw-r--r--arch/powerpc/platforms/chrp/nvram.c4
-rw-r--r--arch/powerpc/platforms/iseries/Makefile2
-rw-r--r--arch/powerpc/platforms/iseries/dt.c4
-rw-r--r--arch/powerpc/platforms/iseries/smp.c2
-rw-r--r--arch/powerpc/platforms/maple/setup.c1
-rw-r--r--arch/powerpc/platforms/powermac/pfunc_core.c9
-rw-r--r--arch/powerpc/platforms/pseries/Makefile13
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c7
-rw-r--r--arch/powerpc/platforms/pseries/dtl.c224
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c25
-rw-r--r--arch/powerpc/platforms/pseries/mobility.c362
-rw-r--r--arch/powerpc/platforms/pseries/pseries.h9
-rw-r--r--arch/powerpc/platforms/pseries/setup.c52
-rw-r--r--arch/powerpc/platforms/pseries/xics.c2
-rw-r--r--arch/powerpc/sysdev/Makefile5
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c74
-rw-r--r--arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h101
-rw-r--r--arch/powerpc/sysdev/fsl_85xx_cache_sram.c159
-rw-r--r--arch/powerpc/sysdev/fsl_85xx_l2ctlr.c231
-rw-r--r--arch/powerpc/sysdev/fsl_msi.c9
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c60
-rw-r--r--arch/powerpc/sysdev/fsl_pci.h1
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c65
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c20
-rw-r--r--arch/powerpc/sysdev/mpc8xxx_gpio.c3
-rw-r--r--arch/powerpc/sysdev/pmi.c2
-rw-r--r--arch/powerpc/xmon/Makefile4
124 files changed, 3604 insertions, 671 deletions
diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c
index b1e5611b2ab1..349b5530d2c4 100644
--- a/arch/powerpc/boot/addnote.c
+++ b/arch/powerpc/boot/addnote.c
@@ -20,7 +20,7 @@
20#include <string.h> 20#include <string.h>
21 21
22/* CHRP note section */ 22/* CHRP note section */
23char arch[] = "PowerPC"; 23static const char arch[] = "PowerPC";
24 24
25#define N_DESCR 6 25#define N_DESCR 6
26unsigned int descr[N_DESCR] = { 26unsigned int descr[N_DESCR] = {
@@ -33,7 +33,7 @@ unsigned int descr[N_DESCR] = {
33}; 33};
34 34
35/* RPA note section */ 35/* RPA note section */
36char rpaname[] = "IBM,RPA-Client-Config"; 36static const char rpaname[] = "IBM,RPA-Client-Config";
37 37
38/* 38/*
39 * Note: setting ignore_my_client_config *should* mean that OF ignores 39 * Note: setting ignore_my_client_config *should* mean that OF ignores
diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
new file mode 100644
index 000000000000..9bb3d72c0e5a
--- /dev/null
+++ b/arch/powerpc/boot/dts/bluestone.dts
@@ -0,0 +1,254 @@
1/*
2 * Device Tree for Bluestone (APM821xx) board.
3 *
4 * Copyright (c) 2010, Applied Micro Circuits Corporation
5 * Author: Tirumala R Marri <tmarri@apm.com>
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 as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 *
22 */
23
24/dts-v1/;
25
26/ {
27 #address-cells = <2>;
28 #size-cells = <1>;
29 model = "apm,bluestone";
30 compatible = "apm,bluestone";
31 dcr-parent = <&{/cpus/cpu@0}>;
32
33 aliases {
34 ethernet0 = &EMAC0;
35 serial0 = &UART0;
36 serial1 = &UART1;
37 };
38
39 cpus {
40 #address-cells = <1>;
41 #size-cells = <0>;
42
43 cpu@0 {
44 device_type = "cpu";
45 model = "PowerPC,apm821xx";
46 reg = <0x00000000>;
47 clock-frequency = <0>; /* Filled in by U-Boot */
48 timebase-frequency = <0>; /* Filled in by U-Boot */
49 i-cache-line-size = <32>;
50 d-cache-line-size = <32>;
51 i-cache-size = <32768>;
52 d-cache-size = <32768>;
53 dcr-controller;
54 dcr-access-method = "native";
55 next-level-cache = <&L2C0>;
56 };
57 };
58
59 memory {
60 device_type = "memory";
61 reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
62 };
63
64 UIC0: interrupt-controller0 {
65 compatible = "ibm,uic";
66 interrupt-controller;
67 cell-index = <0>;
68 dcr-reg = <0x0c0 0x009>;
69 #address-cells = <0>;
70 #size-cells = <0>;
71 #interrupt-cells = <2>;
72 };
73
74 UIC1: interrupt-controller1 {
75 compatible = "ibm,uic";
76 interrupt-controller;
77 cell-index = <1>;
78 dcr-reg = <0x0d0 0x009>;
79 #address-cells = <0>;
80 #size-cells = <0>;
81 #interrupt-cells = <2>;
82 interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
83 interrupt-parent = <&UIC0>;
84 };
85
86 UIC2: interrupt-controller2 {
87 compatible = "ibm,uic";
88 interrupt-controller;
89 cell-index = <2>;
90 dcr-reg = <0x0e0 0x009>;
91 #address-cells = <0>;
92 #size-cells = <0>;
93 #interrupt-cells = <2>;
94 interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
95 interrupt-parent = <&UIC0>;
96 };
97
98 UIC3: interrupt-controller3 {
99 compatible = "ibm,uic";
100 interrupt-controller;
101 cell-index = <3>;
102 dcr-reg = <0x0f0 0x009>;
103 #address-cells = <0>;
104 #size-cells = <0>;
105 #interrupt-cells = <2>;
106 interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
107 interrupt-parent = <&UIC0>;
108 };
109
110 SDR0: sdr {
111 compatible = "ibm,sdr-apm821xx";
112 dcr-reg = <0x00e 0x002>;
113 };
114
115 CPR0: cpr {
116 compatible = "ibm,cpr-apm821xx";
117 dcr-reg = <0x00c 0x002>;
118 };
119
120 plb {
121 compatible = "ibm,plb4";
122 #address-cells = <2>;
123 #size-cells = <1>;
124 ranges;
125 clock-frequency = <0>; /* Filled in by U-Boot */
126
127 SDRAM0: sdram {
128 compatible = "ibm,sdram-apm821xx";
129 dcr-reg = <0x010 0x002>;
130 };
131
132 MAL0: mcmal {
133 compatible = "ibm,mcmal2";
134 descriptor-memory = "ocm";
135 dcr-reg = <0x180 0x062>;
136 num-tx-chans = <1>;
137 num-rx-chans = <1>;
138 #address-cells = <0>;
139 #size-cells = <0>;
140 interrupt-parent = <&UIC2>;
141 interrupts = < /*TXEOB*/ 0x6 0x4
142 /*RXEOB*/ 0x7 0x4
143 /*SERR*/ 0x3 0x4
144 /*TXDE*/ 0x4 0x4
145 /*RXDE*/ 0x5 0x4
146 };
147
148 POB0: opb {
149 compatible = "ibm,opb";
150 #address-cells = <1>;
151 #size-cells = <1>;
152 ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
153 clock-frequency = <0>; /* Filled in by U-Boot */
154
155 EBC0: ebc {
156 compatible = "ibm,ebc";
157 dcr-reg = <0x012 0x002>;
158 #address-cells = <2>;
159 #size-cells = <1>;
160 clock-frequency = <0>; /* Filled in by U-Boot */
161 /* ranges property is supplied by U-Boot */
162 ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
163 interrupts = <0x6 0x4>;
164 interrupt-parent = <&UIC1>;
165
166 nor_flash@0,0 {
167 compatible = "amd,s29gl512n", "cfi-flash";
168 bank-width = <2>;
169 reg = <0x00000000 0x00000000 0x00400000>;
170 #address-cells = <1>;
171 #size-cells = <1>;
172 partition@0 {
173 label = "kernel";
174 reg = <0x00000000 0x00180000>;
175 };
176 partition@180000 {
177 label = "env";
178 reg = <0x00180000 0x00020000>;
179 };
180 partition@1a0000 {
181 label = "u-boot";
182 reg = <0x001a0000 0x00060000>;
183 };
184 };
185 }
186
187 UART0: serial@ef600300 {
188 device_type = "serial";
189 compatible = "ns16550";
190 reg = <0xef600300 0x00000008>;
191 virtual-reg = <0xef600300>;
192 clock-frequency = <0>; /* Filled in by U-Boot */
193 current-speed = <0>; /* Filled in by U-Boot */
194 interrupt-parent = <&UIC1>;
195 interrupts = <0x1 0x4>;
196 };
197
198 IIC0: i2c@ef600700 {
199 compatible = "ibm,iic";
200 reg = <0xef600700 0x00000014>;
201 interrupt-parent = <&UIC0>;
202 interrupts = <0x2 0x4>;
203 };
204
205 IIC1: i2c@ef600800 {
206 compatible = "ibm,iic";
207 reg = <0xef600800 0x00000014>;
208 interrupt-parent = <&UIC0>;
209 interrupts = <0x3 0x4>;
210 };
211
212 RGMII0: emac-rgmii@ef601500 {
213 compatible = "ibm,rgmii";
214 reg = <0xef601500 0x00000008>;
215 has-mdio;
216 };
217
218 TAH0: emac-tah@ef601350 {
219 compatible = "ibm,tah";
220 reg = <0xef601350 0x00000030>;
221 };
222
223 EMAC0: ethernet@ef600c00 {
224 device_type = "network";
225 compatible = "ibm,emac4sync";
226 interrupt-parent = <&EMAC0>;
227 interrupts = <0x0 0x1>;
228 #interrupt-cells = <1>;
229 #address-cells = <0>;
230 #size-cells = <0>;
231 interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
232 /*Wake*/ 0x1 &UIC2 0x14 0x4>;
233 reg = <0xef600c00 0x000000c4>;
234 local-mac-address = [000000000000]; /* Filled in by U-Boot */
235 mal-device = <&MAL0>;
236 mal-tx-channel = <0>;
237 mal-rx-channel = <0>;
238 cell-index = <0>;
239 max-frame-size = <9000>;
240 rx-fifo-size = <16384>;
241 tx-fifo-size = <2048>;
242 phy-mode = "rgmii";
243 phy-map = <0x00000000>;
244 rgmii-device = <&RGMII0>;
245 rgmii-channel = <0>;
246 tah-device = <&TAH0>;
247 tah-channel = <0>;
248 has-inverted-stacr-oc;
249 has-new-stacr-staopc;
250 };
251 };
252
253 };
254};
diff --git a/arch/powerpc/boot/dts/mpc8308_p1m.dts b/arch/powerpc/boot/dts/mpc8308_p1m.dts
new file mode 100644
index 000000000000..05a76ccfd499
--- /dev/null
+++ b/arch/powerpc/boot/dts/mpc8308_p1m.dts
@@ -0,0 +1,332 @@
1/*
2 * mpc8308_p1m Device Tree Source
3 *
4 * Copyright 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
5 *
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
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 */
11
12/dts-v1/;
13
14/ {
15 compatible = "denx,mpc8308_p1m";
16 #address-cells = <1>;
17 #size-cells = <1>;
18
19 aliases {
20 ethernet0 = &enet0;
21 ethernet1 = &enet1;
22 serial0 = &serial0;
23 serial1 = &serial1;
24 pci0 = &pci0;
25 };
26
27 cpus {
28 #address-cells = <1>;
29 #size-cells = <0>;
30
31 PowerPC,8308@0 {
32 device_type = "cpu";
33 reg = <0x0>;
34 d-cache-line-size = <32>;
35 i-cache-line-size = <32>;
36 d-cache-size = <16384>;
37 i-cache-size = <16384>;
38 timebase-frequency = <0>; // from bootloader
39 bus-frequency = <0>; // from bootloader
40 clock-frequency = <0>; // from bootloader
41 };
42 };
43
44 memory {
45 device_type = "memory";
46 reg = <0x00000000 0x08000000>; // 128MB at 0
47 };
48
49 localbus@e0005000 {
50 #address-cells = <2>;
51 #size-cells = <1>;
52 compatible = "fsl,mpc8315-elbc", "fsl,elbc", "simple-bus";
53 reg = <0xe0005000 0x1000>;
54 interrupts = <77 0x8>;
55 interrupt-parent = <&ipic>;
56
57 ranges = <0x0 0x0 0xfc000000 0x04000000
58 0x1 0x0 0xfbff0000 0x00008000
59 0x2 0x0 0xfbff8000 0x00008000>;
60
61 flash@0,0 {
62 #address-cells = <1>;
63 #size-cells = <1>;
64 compatible = "cfi-flash";
65 reg = <0x0 0x0 0x4000000>;
66 bank-width = <2>;
67 device-width = <1>;
68
69 u-boot@0 {
70 reg = <0x0 0x60000>;
71 read-only;
72 };
73 env@60000 {
74 reg = <0x60000 0x20000>;
75 };
76 env1@80000 {
77 reg = <0x80000 0x20000>;
78 };
79 kernel@a0000 {
80 reg = <0xa0000 0x200000>;
81 };
82 dtb@2a0000 {
83 reg = <0x2a0000 0x20000>;
84 };
85 ramdisk@2c0000 {
86 reg = <0x2c0000 0x640000>;
87 };
88 user@700000 {
89 reg = <0x700000 0x3900000>;
90 };
91 };
92
93 can@1,0 {
94 compatible = "nxp,sja1000";
95 reg = <0x1 0x0 0x80>;
96 interrupts = <18 0x8>;
97 interrups-parent = <&ipic>;
98 };
99
100 cpld@2,0 {
101 compatible = "denx,mpc8308_p1m-cpld";
102 reg = <0x2 0x0 0x8>;
103 interrupts = <48 0x8>;
104 interrups-parent = <&ipic>;
105 };
106 };
107
108 immr@e0000000 {
109 #address-cells = <1>;
110 #size-cells = <1>;
111 device_type = "soc";
112 compatible = "fsl,mpc8308-immr", "simple-bus";
113 ranges = <0 0xe0000000 0x00100000>;
114 reg = <0xe0000000 0x00000200>;
115 bus-frequency = <0>;
116
117 i2c@3000 {
118 #address-cells = <1>;
119 #size-cells = <0>;
120 compatible = "fsl-i2c";
121 reg = <0x3000 0x100>;
122 interrupts = <14 0x8>;
123 interrupt-parent = <&ipic>;
124 dfsrr;
125 fram@50 {
126 compatible = "ramtron,24c64";
127 reg = <0x50>;
128 };
129 };
130
131 i2c@3100 {
132 #address-cells = <1>;
133 #size-cells = <0>;
134 compatible = "fsl-i2c";
135 reg = <0x3100 0x100>;
136 interrupts = <15 0x8>;
137 interrupt-parent = <&ipic>;
138 dfsrr;
139 pwm@28 {
140 compatible = "maxim,ds1050";
141 reg = <0x28>;
142 };
143 sensor@48 {
144 compatible = "maxim,max6625";
145 reg = <0x48>;
146 };
147 sensor@49 {
148 compatible = "maxim,max6625";
149 reg = <0x49>;
150 };
151 sensor@4b {
152 compatible = "maxim,max6625";
153 reg = <0x4b>;
154 };
155 };
156
157 usb@23000 {
158 compatible = "fsl-usb2-dr";
159 reg = <0x23000 0x1000>;
160 #address-cells = <1>;
161 #size-cells = <0>;
162 interrupt-parent = <&ipic>;
163 interrupts = <38 0x8>;
164 dr_mode = "peripheral";
165 phy_type = "ulpi";
166 };
167
168 enet0: ethernet@24000 {
169 #address-cells = <1>;
170 #size-cells = <1>;
171 ranges = <0x0 0x24000 0x1000>;
172
173 cell-index = <0>;
174 device_type = "network";
175 model = "eTSEC";
176 compatible = "gianfar";
177 reg = <0x24000 0x1000>;
178 local-mac-address = [ 00 00 00 00 00 00 ];
179 interrupts = <32 0x8 33 0x8 34 0x8>;
180 interrupt-parent = <&ipic>;
181 phy-handle = < &phy1 >;
182
183 mdio@520 {
184 #address-cells = <1>;
185 #size-cells = <0>;
186 compatible = "fsl,gianfar-mdio";
187 reg = <0x520 0x20>;
188 phy1: ethernet-phy@1 {
189 interrupt-parent = <&ipic>;
190 interrupts = <17 0x8>;
191 reg = <0x1>;
192 device_type = "ethernet-phy";
193 };
194 phy2: ethernet-phy@2 {
195 interrupt-parent = <&ipic>;
196 interrupts = <19 0x8>;
197 reg = <0x2>;
198 device_type = "ethernet-phy";
199 };
200 tbi0: tbi-phy@11 {
201 reg = <0x11>;
202 device_type = "tbi-phy";
203 };
204 };
205 };
206
207 enet1: ethernet@25000 {
208 #address-cells = <1>;
209 #size-cells = <1>;
210 cell-index = <1>;
211 device_type = "network";
212 model = "eTSEC";
213 compatible = "gianfar";
214 reg = <0x25000 0x1000>;
215 ranges = <0x0 0x25000 0x1000>;
216 local-mac-address = [ 00 00 00 00 00 00 ];
217 interrupts = <35 0x8 36 0x8 37 0x8>;
218 interrupt-parent = <&ipic>;
219 phy-handle = < &phy2 >;
220
221 mdio@520 {
222 #address-cells = <1>;
223 #size-cells = <0>;
224 compatible = "fsl,gianfar-tbi";
225 reg = <0x520 0x20>;
226 tbi1: tbi-phy@11 {
227 reg = <0x11>;
228 device_type = "tbi-phy";
229 };
230 };
231 };
232
233 serial0: serial@4500 {
234 cell-index = <0>;
235 device_type = "serial";
236 compatible = "ns16550";
237 reg = <0x4500 0x100>;
238 clock-frequency = <133333333>;
239 interrupts = <9 0x8>;
240 interrupt-parent = <&ipic>;
241 };
242
243 serial1: serial@4600 {
244 cell-index = <1>;
245 device_type = "serial";
246 compatible = "ns16550";
247 reg = <0x4600 0x100>;
248 clock-frequency = <133333333>;
249 interrupts = <10 0x8>;
250 interrupt-parent = <&ipic>;
251 };
252
253 gpio@c00 {
254 #gpio-cells = <2>;
255 compatible = "fsl,mpc8308-gpio", "fsl,mpc8349-gpio";
256 reg = <0xc00 0x18>;
257 interrupts = <74 0x8>;
258 interrupt-parent = <&ipic>;
259 gpio-controller;
260 };
261
262 timer@500 {
263 compatible = "fsl,mpc8308-gtm", "fsl,gtm";
264 reg = <0x500 0x100>;
265 interrupts = <90 8 78 8 84 8 72 8>;
266 interrupt-parent = <&ipic>;
267 clock-frequency = <133333333>;
268 };
269
270 /* IPIC
271 * interrupts cell = <intr #, sense>
272 * sense values match linux IORESOURCE_IRQ_* defines:
273 * sense == 8: Level, low assertion
274 * sense == 2: Edge, high-to-low change
275 */
276 ipic: interrupt-controller@700 {
277 compatible = "fsl,ipic";
278 interrupt-controller;
279 #address-cells = <0>;
280 #interrupt-cells = <2>;
281 reg = <0x700 0x100>;
282 device_type = "ipic";
283 };
284
285 ipic-msi@7c0 {
286 compatible = "fsl,ipic-msi";
287 reg = <0x7c0 0x40>;
288 msi-available-ranges = <0x0 0x100>;
289 interrupts = < 0x43 0x8
290 0x4 0x8
291 0x51 0x8
292 0x52 0x8
293 0x56 0x8
294 0x57 0x8
295 0x58 0x8
296 0x59 0x8 >;
297 interrupt-parent = < &ipic >;
298 };
299
300 };
301
302 pci0: pcie@e0009000 {
303 #address-cells = <3>;
304 #size-cells = <2>;
305 #interrupt-cells = <1>;
306 device_type = "pci";
307 compatible = "fsl,mpc8308-pcie", "fsl,mpc8314-pcie";
308 reg = <0xe0009000 0x00001000
309 0xb0000000 0x01000000>;
310 ranges = <0x02000000 0 0xa0000000 0xa0000000 0 0x10000000
311 0x01000000 0 0x00000000 0xb1000000 0 0x00800000>;
312 bus-range = <0 0>;
313 interrupt-map-mask = <0 0 0 0>;
314 interrupt-map = <0 0 0 0 &ipic 1 8>;
315 interrupts = <0x1 0x8>;
316 interrupt-parent = <&ipic>;
317 clock-frequency = <0>;
318
319 pcie@0 {
320 #address-cells = <3>;
321 #size-cells = <2>;
322 device_type = "pci";
323 reg = <0 0 0 0 0>;
324 ranges = <0x02000000 0 0xa0000000
325 0x02000000 0 0xa0000000
326 0 0x10000000
327 0x01000000 0 0x00000000
328 0x01000000 0 0x00000000
329 0 0x00800000>;
330 };
331 };
332};
diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts
index 8bcb10b92677..2bbecbb4cbf9 100644
--- a/arch/powerpc/boot/dts/p1022ds.dts
+++ b/arch/powerpc/boot/dts/p1022ds.dts
@@ -148,6 +148,17 @@
148 label = "reserved-nand"; 148 label = "reserved-nand";
149 }; 149 };
150 }; 150 };
151
152 board-control@3,0 {
153 compatible = "fsl,p1022ds-pixis";
154 reg = <3 0 0x30>;
155 interrupt-parent = <&mpic>;
156 /*
157 * IRQ8 is generated if the "EVENT" switch is pressed
158 * and PX_CTL[EVESEL] is set to 00.
159 */
160 interrupts = <8 8>;
161 };
151 }; 162 };
152 163
153 soc@fffe00000 { 164 soc@fffe00000 {
diff --git a/arch/powerpc/configs/44x/bluestone_defconfig b/arch/powerpc/configs/44x/bluestone_defconfig
new file mode 100644
index 000000000000..ac65b48b8ccd
--- /dev/null
+++ b/arch/powerpc/configs/44x/bluestone_defconfig
@@ -0,0 +1,68 @@
1CONFIG_44x=y
2CONFIG_EXPERIMENTAL=y
3CONFIG_SYSVIPC=y
4CONFIG_POSIX_MQUEUE=y
5CONFIG_LOG_BUF_SHIFT=14
6CONFIG_BLK_DEV_INITRD=y
7CONFIG_EMBEDDED=y
8# CONFIG_VM_EVENT_COUNTERS is not set
9# CONFIG_PCI_QUIRKS is not set
10# CONFIG_COMPAT_BRK is not set
11CONFIG_BLUESTONE=y
12# CONFIG_EBONY is not set
13# CONFIG_KVM_GUEST is not set
14CONFIG_NO_HZ=y
15CONFIG_HIGH_RES_TIMERS=y
16CONFIG_SPARSE_IRQ=y
17CONFIG_CMDLINE_BOOL=y
18CONFIG_CMDLINE=""
19CONFIG_NET=y
20CONFIG_PACKET=y
21CONFIG_UNIX=y
22CONFIG_INET=y
23CONFIG_IP_PNP=y
24CONFIG_IP_PNP_DHCP=y
25CONFIG_IP_PNP_BOOTP=y
26CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
27CONFIG_CONNECTOR=y
28CONFIG_MTD=y
29CONFIG_MTD_PARTITIONS=y
30CONFIG_MTD_CMDLINE_PARTS=y
31CONFIG_MTD_OF_PARTS=y
32CONFIG_MTD_CHAR=y
33CONFIG_MTD_BLOCK=y
34CONFIG_MTD_CFI=y
35CONFIG_MTD_CFI_AMDSTD=y
36CONFIG_MTD_PHYSMAP_OF=y
37CONFIG_PROC_DEVICETREE=y
38CONFIG_BLK_DEV_RAM=y
39CONFIG_BLK_DEV_RAM_SIZE=35000
40CONFIG_NETDEVICES=y
41CONFIG_NET_ETHERNET=y
42CONFIG_IBM_NEW_EMAC=y
43CONFIG_IBM_NEW_EMAC_RXB=256
44CONFIG_IBM_NEW_EMAC_TXB=256
45CONFIG_SERIAL_8250=y
46CONFIG_SERIAL_8250_CONSOLE=y
47CONFIG_SERIAL_8250_NR_UARTS=2
48CONFIG_SERIAL_8250_RUNTIME_UARTS=2
49CONFIG_SERIAL_8250_EXTENDED=y
50CONFIG_SERIAL_8250_SHARE_IRQ=y
51CONFIG_SERIAL_OF_PLATFORM=y
52CONFIG_I2C=y
53CONFIG_I2C_CHARDEV=y
54CONFIG_I2C_IBM_IIC=y
55CONFIG_SENSORS_AD7414=y
56# CONFIG_HID_SUPPORT is not set
57# CONFIG_USB_SUPPORT is not set
58CONFIG_RTC_CLASS=y
59CONFIG_RTC_DRV_M41T80=y
60CONFIG_EXT2_FS=y
61CONFIG_EXT3_FS=y
62CONFIG_PROC_KCORE=y
63CONFIG_TMPFS=y
64CONFIG_CRAMFS=y
65CONFIG_NFS_FS=y
66CONFIG_NFS_V3=y
67CONFIG_ROOT_NFS=y
68CONFIG_NLS=y
diff --git a/arch/powerpc/configs/e55xx_smp_defconfig b/arch/powerpc/configs/e55xx_smp_defconfig
new file mode 100644
index 000000000000..94d120ef99cf
--- /dev/null
+++ b/arch/powerpc/configs/e55xx_smp_defconfig
@@ -0,0 +1,84 @@
1CONFIG_PPC64=y
2CONFIG_PPC_BOOK3E_64=y
3# CONFIG_VIRT_CPU_ACCOUNTING is not set
4CONFIG_SMP=y
5CONFIG_NR_CPUS=2
6CONFIG_EXPERIMENTAL=y
7CONFIG_SYSVIPC=y
8CONFIG_BSD_PROCESS_ACCT=y
9CONFIG_IKCONFIG=y
10CONFIG_IKCONFIG_PROC=y
11CONFIG_LOG_BUF_SHIFT=14
12CONFIG_SYSFS_DEPRECATED_V2=y
13CONFIG_BLK_DEV_INITRD=y
14# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
15CONFIG_EMBEDDED=y
16CONFIG_KALLSYMS_ALL=y
17CONFIG_KALLSYMS_EXTRA_PASS=y
18CONFIG_MODULES=y
19CONFIG_MODULE_UNLOAD=y
20CONFIG_MODULE_FORCE_UNLOAD=y
21CONFIG_MODVERSIONS=y
22# CONFIG_BLK_DEV_BSG is not set
23CONFIG_P5020_DS=y
24# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
25CONFIG_NO_HZ=y
26CONFIG_HIGH_RES_TIMERS=y
27CONFIG_BINFMT_MISC=m
28CONFIG_SPARSE_IRQ=y
29# CONFIG_PCI is not set
30CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
31CONFIG_PROC_DEVICETREE=y
32CONFIG_BLK_DEV_LOOP=y
33CONFIG_BLK_DEV_RAM=y
34CONFIG_BLK_DEV_RAM_SIZE=131072
35CONFIG_EEPROM_LEGACY=y
36CONFIG_INPUT_FF_MEMLESS=m
37# CONFIG_INPUT_MOUSEDEV is not set
38# CONFIG_INPUT_KEYBOARD is not set
39# CONFIG_INPUT_MOUSE is not set
40CONFIG_SERIO_LIBPS2=y
41CONFIG_SERIAL_8250=y
42CONFIG_SERIAL_8250_CONSOLE=y
43CONFIG_SERIAL_8250_EXTENDED=y
44CONFIG_SERIAL_8250_MANY_PORTS=y
45CONFIG_SERIAL_8250_DETECT_IRQ=y
46CONFIG_SERIAL_8250_RSA=y
47CONFIG_I2C=y
48# CONFIG_HWMON is not set
49CONFIG_VIDEO_OUTPUT_CONTROL=y
50# CONFIG_HID_SUPPORT is not set
51# CONFIG_USB_SUPPORT is not set
52CONFIG_DMADEVICES=y
53CONFIG_FSL_DMA=y
54CONFIG_EXT2_FS=y
55CONFIG_EXT3_FS=y
56# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
57CONFIG_PROC_KCORE=y
58CONFIG_TMPFS=y
59# CONFIG_MISC_FILESYSTEMS is not set
60CONFIG_PARTITION_ADVANCED=y
61CONFIG_MAC_PARTITION=y
62CONFIG_NLS=y
63CONFIG_NLS_UTF8=m
64CONFIG_CRC_T10DIF=y
65CONFIG_CRC_ITU_T=m
66CONFIG_LIBCRC32C=m
67CONFIG_FRAME_WARN=1024
68CONFIG_DEBUG_FS=y
69CONFIG_DEBUG_KERNEL=y
70CONFIG_DETECT_HUNG_TASK=y
71# CONFIG_DEBUG_BUGVERBOSE is not set
72CONFIG_DEBUG_INFO=y
73# CONFIG_RCU_CPU_STALL_DETECTOR is not set
74CONFIG_SYSCTL_SYSCALL_CHECK=y
75CONFIG_VIRQ_DEBUG=y
76CONFIG_CRYPTO=y
77CONFIG_CRYPTO_CBC=y
78CONFIG_CRYPTO_PCBC=m
79CONFIG_CRYPTO_HMAC=y
80CONFIG_CRYPTO_MD5=y
81CONFIG_CRYPTO_SHA1=m
82CONFIG_CRYPTO_DES=y
83# CONFIG_CRYPTO_ANSI_CPRNG is not set
84CONFIG_CRYPTO_DEV_TALITOS=y
diff --git a/arch/powerpc/configs/ppc44x_defconfig b/arch/powerpc/configs/ppc44x_defconfig
index cd446fba3fae..2fa05f7be4cb 100644
--- a/arch/powerpc/configs/ppc44x_defconfig
+++ b/arch/powerpc/configs/ppc44x_defconfig
@@ -12,6 +12,7 @@ CONFIG_MODULES=y
12CONFIG_MODULE_UNLOAD=y 12CONFIG_MODULE_UNLOAD=y
13# CONFIG_BLK_DEV_BSG is not set 13# CONFIG_BLK_DEV_BSG is not set
14CONFIG_BAMBOO=y 14CONFIG_BAMBOO=y
15CONFIG_BLUESTONE=y
15CONFIG_SAM440EP=y 16CONFIG_SAM440EP=y
16CONFIG_SEQUOIA=y 17CONFIG_SEQUOIA=y
17CONFIG_TAISHAN=y 18CONFIG_TAISHAN=y
@@ -97,14 +98,17 @@ CONFIG_USB_STORAGE=m
97CONFIG_EXT2_FS=y 98CONFIG_EXT2_FS=y
98CONFIG_EXT3_FS=m 99CONFIG_EXT3_FS=m
99# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set 100# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
100CONFIG_INOTIFY=y
101CONFIG_VFAT_FS=m 101CONFIG_VFAT_FS=m
102CONFIG_PROC_KCORE=y 102CONFIG_PROC_KCORE=y
103CONFIG_TMPFS=y 103CONFIG_TMPFS=y
104CONFIG_JFFS2_FS=y 104CONFIG_JFFS2_FS=y
105CONFIG_UBIFS_FS=m 105CONFIG_UBIFS_FS=m
106CONFIG_UBIFS_FS_XATTR=y 106CONFIG_UBIFS_FS_XATTR=y
107CONFIG_LOGFS=m
107CONFIG_CRAMFS=y 108CONFIG_CRAMFS=y
109CONFIG_SQUASHFS=m
110CONFIG_SQUASHFS_XATTR=y
111CONFIG_SQUASHFS_LZO=y
108CONFIG_NFS_FS=y 112CONFIG_NFS_FS=y
109CONFIG_NFS_V3=y 113CONFIG_NFS_V3=y
110CONFIG_ROOT_NFS=y 114CONFIG_ROOT_NFS=y
@@ -116,11 +120,8 @@ CONFIG_DEBUG_KERNEL=y
116CONFIG_DETECT_HUNG_TASK=y 120CONFIG_DETECT_HUNG_TASK=y
117# CONFIG_RCU_CPU_STALL_DETECTOR is not set 121# CONFIG_RCU_CPU_STALL_DETECTOR is not set
118CONFIG_SYSCTL_SYSCALL_CHECK=y 122CONFIG_SYSCTL_SYSCALL_CHECK=y
119CONFIG_CRYPTO_CBC=y
120CONFIG_CRYPTO_ECB=y 123CONFIG_CRYPTO_ECB=y
121CONFIG_CRYPTO_PCBC=y 124CONFIG_CRYPTO_PCBC=y
122CONFIG_CRYPTO_MD5=y
123CONFIG_CRYPTO_DES=y
124# CONFIG_CRYPTO_ANSI_CPRNG is not set 125# CONFIG_CRYPTO_ANSI_CPRNG is not set
125# CONFIG_CRYPTO_HW is not set 126# CONFIG_CRYPTO_HW is not set
126CONFIG_VIRTUALIZATION=y 127CONFIG_VIRTUALIZATION=y
diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig
index 04ae0740b6d0..7bd1763877ba 100644
--- a/arch/powerpc/configs/ppc64e_defconfig
+++ b/arch/powerpc/configs/ppc64e_defconfig
@@ -18,6 +18,7 @@ CONFIG_MODULES=y
18CONFIG_MODULE_UNLOAD=y 18CONFIG_MODULE_UNLOAD=y
19CONFIG_MODVERSIONS=y 19CONFIG_MODVERSIONS=y
20CONFIG_MODULE_SRCVERSION_ALL=y 20CONFIG_MODULE_SRCVERSION_ALL=y
21CONFIG_P5020_DS=y
21CONFIG_CPU_FREQ=y 22CONFIG_CPU_FREQ=y
22CONFIG_CPU_FREQ_GOV_POWERSAVE=y 23CONFIG_CPU_FREQ_GOV_POWERSAVE=y
23CONFIG_CPU_FREQ_GOV_USERSPACE=y 24CONFIG_CPU_FREQ_GOV_USERSPACE=y
@@ -256,7 +257,6 @@ CONFIG_HID_ZEROPLUS=y
256CONFIG_USB=y 257CONFIG_USB=y
257CONFIG_USB_DEVICEFS=y 258CONFIG_USB_DEVICEFS=y
258CONFIG_USB_EHCI_HCD=y 259CONFIG_USB_EHCI_HCD=y
259CONFIG_USB_EHCI_TT_NEWSCHED=y
260# CONFIG_USB_EHCI_HCD_PPC_OF is not set 260# CONFIG_USB_EHCI_HCD_PPC_OF is not set
261CONFIG_USB_OHCI_HCD=y 261CONFIG_USB_OHCI_HCD=y
262CONFIG_USB_STORAGE=m 262CONFIG_USB_STORAGE=m
@@ -290,7 +290,6 @@ CONFIG_JFS_POSIX_ACL=y
290CONFIG_JFS_SECURITY=y 290CONFIG_JFS_SECURITY=y
291CONFIG_XFS_FS=m 291CONFIG_XFS_FS=m
292CONFIG_XFS_POSIX_ACL=y 292CONFIG_XFS_POSIX_ACL=y
293CONFIG_INOTIFY=y
294CONFIG_AUTOFS4_FS=m 293CONFIG_AUTOFS4_FS=m
295CONFIG_ISO9660_FS=y 294CONFIG_ISO9660_FS=y
296CONFIG_UDF_FS=m 295CONFIG_UDF_FS=m
@@ -384,7 +383,6 @@ CONFIG_CRYPTO_TGR192=m
384CONFIG_CRYPTO_WP512=m 383CONFIG_CRYPTO_WP512=m
385CONFIG_CRYPTO_AES=m 384CONFIG_CRYPTO_AES=m
386CONFIG_CRYPTO_ANUBIS=m 385CONFIG_CRYPTO_ANUBIS=m
387CONFIG_CRYPTO_ARC4=m
388CONFIG_CRYPTO_BLOWFISH=m 386CONFIG_CRYPTO_BLOWFISH=m
389CONFIG_CRYPTO_CAST6=m 387CONFIG_CRYPTO_CAST6=m
390CONFIG_CRYPTO_KHAZAD=m 388CONFIG_CRYPTO_KHAZAD=m
diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h
index 7cdf358337cf..ce0c28495f9a 100644
--- a/arch/powerpc/include/asm/checksum.h
+++ b/arch/powerpc/include/asm/checksum.h
@@ -52,12 +52,22 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
52extern __wsum csum_partial_copy_generic(const void *src, void *dst, 52extern __wsum csum_partial_copy_generic(const void *src, void *dst,
53 int len, __wsum sum, 53 int len, __wsum sum,
54 int *src_err, int *dst_err); 54 int *src_err, int *dst_err);
55
56#ifdef __powerpc64__
57#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
58extern __wsum csum_and_copy_from_user(const void __user *src, void *dst,
59 int len, __wsum sum, int *err_ptr);
60#define HAVE_CSUM_COPY_USER
61extern __wsum csum_and_copy_to_user(const void *src, void __user *dst,
62 int len, __wsum sum, int *err_ptr);
63#else
55/* 64/*
56 * the same as csum_partial, but copies from src to dst while it 65 * the same as csum_partial, but copies from src to dst while it
57 * checksums. 66 * checksums.
58 */ 67 */
59#define csum_partial_copy_from_user(src, dst, len, sum, errp) \ 68#define csum_partial_copy_from_user(src, dst, len, sum, errp) \
60 csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL) 69 csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL)
70#endif
61 71
62#define csum_partial_copy_nocheck(src, dst, len, sum) \ 72#define csum_partial_copy_nocheck(src, dst, len, sum) \
63 csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL) 73 csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index a11d4eac4f97..2296112e247b 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -143,7 +143,7 @@ static inline void __user *arch_compat_alloc_user_space(long len)
143 * We cant access below the stack pointer in the 32bit ABI and 143 * We cant access below the stack pointer in the 32bit ABI and
144 * can access 288 bytes in the 64bit ABI 144 * can access 288 bytes in the 64bit ABI
145 */ 145 */
146 if (!(test_thread_flag(TIF_32BIT))) 146 if (!is_32bit_task())
147 usp -= 288; 147 usp -= 288;
148 148
149 return (void __user *) (usp - len); 149 return (void __user *) (usp - len);
@@ -213,7 +213,7 @@ struct compat_shmid64_ds {
213 213
214static inline int is_compat_task(void) 214static inline int is_compat_task(void)
215{ 215{
216 return test_thread_flag(TIF_32BIT); 216 return is_32bit_task();
217} 217}
218 218
219#endif /* __KERNEL__ */ 219#endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 3a40a992e594..f3a1fdd9cf08 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -198,6 +198,7 @@ extern const char *powerpc_base_platform;
198#define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0040000000000000) 198#define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0040000000000000)
199#define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0080000000000000) 199#define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0080000000000000)
200#define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0100000000000000) 200#define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0100000000000000)
201#define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0200000000000000)
201 202
202#ifndef __ASSEMBLY__ 203#ifndef __ASSEMBLY__
203 204
@@ -392,28 +393,31 @@ extern const char *powerpc_base_platform;
392 CPU_FTR_MMCRA | CPU_FTR_CTRL) 393 CPU_FTR_MMCRA | CPU_FTR_CTRL)
393#define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 394#define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
394 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 395 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
395 CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ) 396 CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \
397 CPU_FTR_STCX_CHECKS_ADDRESS)
396#define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 398#define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
397 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 399 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
398 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \ 400 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
399 CPU_FTR_CP_USE_DCBTZ) 401 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS)
400#define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 402#define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
401 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 403 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
402 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 404 CPU_FTR_MMCRA | CPU_FTR_SMT | \
403 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 405 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
404 CPU_FTR_PURR) 406 CPU_FTR_PURR | CPU_FTR_STCX_CHECKS_ADDRESS)
405#define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 407#define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
406 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 408 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
407 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 409 CPU_FTR_MMCRA | CPU_FTR_SMT | \
408 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 410 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
409 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 411 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
410 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD) 412 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
413 CPU_FTR_STCX_CHECKS_ADDRESS)
411#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 414#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
412 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 415 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
413 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 416 CPU_FTR_MMCRA | CPU_FTR_SMT | \
414 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 417 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
415 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 418 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
416 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT) 419 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
420 CPU_FTR_STCX_CHECKS_ADDRESS)
417#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 421#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
418 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 422 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
419 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ 423 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 8c9c6ad2004e..6d2416a85709 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -127,19 +127,7 @@ static inline int dma_supported(struct device *dev, u64 mask)
127 return dma_ops->dma_supported(dev, mask); 127 return dma_ops->dma_supported(dev, mask);
128} 128}
129 129
130static inline int dma_set_mask(struct device *dev, u64 dma_mask) 130extern int dma_set_mask(struct device *dev, u64 dma_mask);
131{
132 struct dma_map_ops *dma_ops = get_dma_ops(dev);
133
134 if (unlikely(dma_ops == NULL))
135 return -EIO;
136 if (dma_ops->set_dma_mask != NULL)
137 return dma_ops->set_dma_mask(dev, dma_mask);
138 if (!dev->dma_mask || !dma_supported(dev, dma_mask))
139 return -EIO;
140 *dev->dma_mask = dma_mask;
141 return 0;
142}
143 131
144static inline void *dma_alloc_coherent(struct device *dev, size_t size, 132static inline void *dma_alloc_coherent(struct device *dev, size_t size,
145 dma_addr_t *dma_handle, gfp_t flag) 133 dma_addr_t *dma_handle, gfp_t flag)
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index c376eda15313..2b917c69ed15 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -250,7 +250,7 @@ do { \
250 * the 64bit ABI has never had these issues dont enable the workaround 250 * the 64bit ABI has never had these issues dont enable the workaround
251 * even if we have an executable stack. 251 * even if we have an executable stack.
252 */ 252 */
253# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \ 253# define elf_read_implies_exec(ex, exec_stk) (is_32bit_task() ? \
254 (exec_stk == EXSTACK_DEFAULT) : 0) 254 (exec_stk == EXSTACK_DEFAULT) : 0)
255#else 255#else
256# define SET_PERSONALITY(ex) \ 256# define SET_PERSONALITY(ex) \
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 57c400071995..7778d6f0c878 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -137,7 +137,8 @@
137 li r10,0; \ 137 li r10,0; \
138 ld r11,exception_marker@toc(r2); \ 138 ld r11,exception_marker@toc(r2); \
139 std r10,RESULT(r1); /* clear regs->result */ \ 139 std r10,RESULT(r1); /* clear regs->result */ \
140 std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ 140 std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ \
141 ACCOUNT_STOLEN_TIME
141 142
142/* 143/*
143 * Exception vectors. 144 * Exception vectors.
diff --git a/arch/powerpc/include/asm/fsl_85xx_cache_sram.h b/arch/powerpc/include/asm/fsl_85xx_cache_sram.h
new file mode 100644
index 000000000000..2af2bdc37b2e
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_85xx_cache_sram.h
@@ -0,0 +1,48 @@
1/*
2 * Copyright 2009 Freescale Semiconductor, Inc.
3 *
4 * Cache SRAM handling for QorIQ platform
5 *
6 * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
7
8 * This file is derived from the original work done
9 * by Sylvain Munaut for the Bestcomm SRAM allocator.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#ifndef __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
27#define __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
28
29#include <asm/rheap.h>
30#include <linux/spinlock.h>
31
32/*
33 * Cache-SRAM
34 */
35
36struct mpc85xx_cache_sram {
37 phys_addr_t base_phys;
38 void *base_virt;
39 unsigned int size;
40 rh_info_t *rh;
41 spinlock_t lock;
42};
43
44extern void mpc85xx_cache_sram_free(void *ptr);
45extern void *mpc85xx_cache_sram_alloc(unsigned int size,
46 phys_addr_t *phys, unsigned int align);
47
48#endif /* __AMS_POWERPC_FSL_85XX_CACHE_SRAM_H__ */
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index 076327f2eff7..f54408d995b5 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -91,6 +91,7 @@ extern void machine_kexec_simple(struct kimage *image);
91extern void crash_kexec_secondary(struct pt_regs *regs); 91extern void crash_kexec_secondary(struct pt_regs *regs);
92extern int overlaps_crashkernel(unsigned long start, unsigned long size); 92extern int overlaps_crashkernel(unsigned long start, unsigned long size);
93extern void reserve_crashkernel(void); 93extern void reserve_crashkernel(void);
94extern void machine_kexec_mask_interrupts(void);
94 95
95#else /* !CONFIG_KEXEC */ 96#else /* !CONFIG_KEXEC */
96static inline int kexec_sr_activated(int cpu) { return 0; } 97static inline int kexec_sr_activated(int cpu) { return 0; }
diff --git a/arch/powerpc/include/asm/kvm_fpu.h b/arch/powerpc/include/asm/kvm_fpu.h
index c3d4f0518a67..92daae132492 100644
--- a/arch/powerpc/include/asm/kvm_fpu.h
+++ b/arch/powerpc/include/asm/kvm_fpu.h
@@ -82,7 +82,7 @@ FPD_THREE_IN(fmadd)
82FPD_THREE_IN(fnmsub) 82FPD_THREE_IN(fnmsub)
83FPD_THREE_IN(fnmadd) 83FPD_THREE_IN(fnmadd)
84 84
85extern void kvm_cvt_fd(u32 *from, u64 *to, u64 *fpscr); 85extern void kvm_cvt_fd(u32 *from, u64 *to);
86extern void kvm_cvt_df(u64 *from, u32 *to, u64 *fpscr); 86extern void kvm_cvt_df(u64 *from, u32 *to);
87 87
88#endif 88#endif
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h
index 14b592dfb4e8..7f5e0fefebb0 100644
--- a/arch/powerpc/include/asm/lppaca.h
+++ b/arch/powerpc/include/asm/lppaca.h
@@ -153,6 +153,8 @@ struct lppaca {
153 153
154extern struct lppaca lppaca[]; 154extern struct lppaca lppaca[];
155 155
156#define lppaca_of(cpu) (*paca[cpu].lppaca_ptr)
157
156/* 158/*
157 * SLB shadow buffer structure as defined in the PAPR. The save_area 159 * SLB shadow buffer structure as defined in the PAPR. The save_area
158 * contains adjacent ESID and VSID pairs for each shadowed SLB. The 160 * contains adjacent ESID and VSID pairs for each shadowed SLB. The
@@ -170,6 +172,33 @@ struct slb_shadow {
170 172
171extern struct slb_shadow slb_shadow[]; 173extern struct slb_shadow slb_shadow[];
172 174
175/*
176 * Layout of entries in the hypervisor's dispatch trace log buffer.
177 */
178struct dtl_entry {
179 u8 dispatch_reason;
180 u8 preempt_reason;
181 u16 processor_id;
182 u32 enqueue_to_dispatch_time;
183 u32 ready_to_enqueue_time;
184 u32 waiting_to_ready_time;
185 u64 timebase;
186 u64 fault_addr;
187 u64 srr0;
188 u64 srr1;
189};
190
191#define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */
192#define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry))
193
194/*
195 * When CONFIG_VIRT_CPU_ACCOUNTING = y, the cpu accounting code controls
196 * reading from the dispatch trace log. If other code wants to consume
197 * DTL entries, it can set this pointer to a function that will get
198 * called once for each DTL entry that gets processed.
199 */
200extern void (*dtl_consumer)(struct dtl_entry *entry, u64 index);
201
173#endif /* CONFIG_PPC_BOOK3S */ 202#endif /* CONFIG_PPC_BOOK3S */
174#endif /* __KERNEL__ */ 203#endif /* __KERNEL__ */
175#endif /* _ASM_POWERPC_LPPACA_H */ 204#endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index adc8e6cdf339..d045b0145537 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -102,6 +102,9 @@ struct machdep_calls {
102 void (*pci_dma_dev_setup)(struct pci_dev *dev); 102 void (*pci_dma_dev_setup)(struct pci_dev *dev);
103 void (*pci_dma_bus_setup)(struct pci_bus *bus); 103 void (*pci_dma_bus_setup)(struct pci_bus *bus);
104 104
105 /* Platform set_dma_mask override */
106 int (*dma_set_mask)(struct device *dev, u64 dma_mask);
107
105 int (*probe)(void); 108 int (*probe)(void);
106 void (*setup_arch)(void); /* Optional, may be NULL */ 109 void (*setup_arch)(void); /* Optional, may be NULL */
107 void (*init_early)(void); 110 void (*init_early)(void);
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 87a1d787c5b6..8eaed81ea642 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -114,6 +114,17 @@
114 114
115#define MAS7_RPN 0xFFFFFFFF 115#define MAS7_RPN 0xFFFFFFFF
116 116
117/* Bit definitions for MMUCFG */
118#define MMUCFG_MAVN 0x00000003 /* MMU Architecture Version Number */
119#define MMUCFG_MAVN_V1 0x00000000 /* v1.0 */
120#define MMUCFG_MAVN_V2 0x00000001 /* v2.0 */
121#define MMUCFG_NTLBS 0x0000000c /* Number of TLBs */
122#define MMUCFG_PIDSIZE 0x000007c0 /* PID Reg Size */
123#define MMUCFG_TWC 0x00008000 /* TLB Write Conditional (v2.0) */
124#define MMUCFG_LRAT 0x00010000 /* LRAT Supported (v2.0) */
125#define MMUCFG_RASIZE 0x00fe0000 /* Real Addr Size */
126#define MMUCFG_LPIDSIZE 0x0f000000 /* LPID Reg Size */
127
117/* Bit definitions for MMUCSR0 */ 128/* Bit definitions for MMUCSR0 */
118#define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */ 129#define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */
119#define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */ 130#define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */
@@ -133,6 +144,10 @@
133#define TLBnCFG_GTWE 0x00010000 /* Guest can write */ 144#define TLBnCFG_GTWE 0x00010000 /* Guest can write */
134#define TLBnCFG_IND 0x00020000 /* IND entries supported */ 145#define TLBnCFG_IND 0x00020000 /* IND entries supported */
135#define TLBnCFG_PT 0x00040000 /* Can load from page table */ 146#define TLBnCFG_PT 0x00040000 /* Can load from page table */
147#define TLBnCFG_MINSIZE 0x00f00000 /* Minimum Page Size (v1.0) */
148#define TLBnCFG_MINSIZE_SHIFT 20
149#define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */
150#define TLBnCFG_MAXSIZE_SHIFT 16
136#define TLBnCFG_ASSOC 0xff000000 /* Associativity */ 151#define TLBnCFG_ASSOC 0xff000000 /* Associativity */
137 152
138/* TLBnPS encoding */ 153/* TLBnPS encoding */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 9b287fdd8ea3..ec57540cd7af 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -85,6 +85,8 @@ struct paca_struct {
85 u8 kexec_state; /* set when kexec down has irqs off */ 85 u8 kexec_state; /* set when kexec down has irqs off */
86#ifdef CONFIG_PPC_STD_MMU_64 86#ifdef CONFIG_PPC_STD_MMU_64
87 struct slb_shadow *slb_shadow_ptr; 87 struct slb_shadow *slb_shadow_ptr;
88 struct dtl_entry *dispatch_log;
89 struct dtl_entry *dispatch_log_end;
88 90
89 /* 91 /*
90 * Now, starting in cacheline 2, the exception save areas 92 * Now, starting in cacheline 2, the exception save areas
@@ -134,8 +136,14 @@ struct paca_struct {
134 /* Stuff for accurate time accounting */ 136 /* Stuff for accurate time accounting */
135 u64 user_time; /* accumulated usermode TB ticks */ 137 u64 user_time; /* accumulated usermode TB ticks */
136 u64 system_time; /* accumulated system TB ticks */ 138 u64 system_time; /* accumulated system TB ticks */
137 u64 startpurr; /* PURR/TB value snapshot */ 139 u64 user_time_scaled; /* accumulated usermode SPURR ticks */
140 u64 starttime; /* TB value snapshot */
141 u64 starttime_user; /* TB value on exit to usermode */
138 u64 startspurr; /* SPURR value snapshot */ 142 u64 startspurr; /* SPURR value snapshot */
143 u64 utime_sspurr; /* ->user_time when ->startspurr set */
144 u64 stolen_time; /* TB ticks taken by hypervisor */
145 u64 dtl_ridx; /* read index in dispatch log */
146 struct dtl_entry *dtl_curr; /* pointer corresponding to dtl_ridx */
139 147
140#ifdef CONFIG_KVM_BOOK3S_HANDLER 148#ifdef CONFIG_KVM_BOOK3S_HANDLER
141 /* We use this to store guest state in */ 149 /* We use this to store guest state in */
diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
index 358ff14ea25e..932f88dcf6fa 100644
--- a/arch/powerpc/include/asm/page_64.h
+++ b/arch/powerpc/include/asm/page_64.h
@@ -163,7 +163,7 @@ do { \
163#endif /* !CONFIG_HUGETLB_PAGE */ 163#endif /* !CONFIG_HUGETLB_PAGE */
164 164
165#define VM_DATA_DEFAULT_FLAGS \ 165#define VM_DATA_DEFAULT_FLAGS \
166 (test_thread_flag(TIF_32BIT) ? \ 166 (is_32bit_task() ? \
167 VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64) 167 VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64)
168 168
169/* 169/*
@@ -179,7 +179,7 @@ do { \
179 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) 179 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
180 180
181#define VM_STACK_DEFAULT_FLAGS \ 181#define VM_STACK_DEFAULT_FLAGS \
182 (test_thread_flag(TIF_32BIT) ? \ 182 (is_32bit_task() ? \
183 VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) 183 VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
184 184
185#include <asm-generic/getorder.h> 185#include <asm-generic/getorder.h>
diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
index 42fdff0e4b32..43268f15004e 100644
--- a/arch/powerpc/include/asm/ppc-pci.h
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -28,8 +28,8 @@ extern void find_and_init_phbs(void);
28extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */ 28extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
29 29
30/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ 30/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
31#define BUID_HI(buid) ((buid) >> 32) 31#define BUID_HI(buid) upper_32_bits(buid)
32#define BUID_LO(buid) ((buid) & 0xffffffff) 32#define BUID_LO(buid) lower_32_bits(buid)
33 33
34/* PCI device_node operations */ 34/* PCI device_node operations */
35struct device_node; 35struct device_node;
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 498fe09263d3..98210067c1cc 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -9,6 +9,7 @@
9#include <asm/asm-compat.h> 9#include <asm/asm-compat.h>
10#include <asm/processor.h> 10#include <asm/processor.h>
11#include <asm/ppc-opcode.h> 11#include <asm/ppc-opcode.h>
12#include <asm/firmware.h>
12 13
13#ifndef __ASSEMBLY__ 14#ifndef __ASSEMBLY__
14#error __FILE__ should only be used in assembler files 15#error __FILE__ should only be used in assembler files
@@ -26,17 +27,13 @@
26#ifndef CONFIG_VIRT_CPU_ACCOUNTING 27#ifndef CONFIG_VIRT_CPU_ACCOUNTING
27#define ACCOUNT_CPU_USER_ENTRY(ra, rb) 28#define ACCOUNT_CPU_USER_ENTRY(ra, rb)
28#define ACCOUNT_CPU_USER_EXIT(ra, rb) 29#define ACCOUNT_CPU_USER_EXIT(ra, rb)
30#define ACCOUNT_STOLEN_TIME
29#else 31#else
30#define ACCOUNT_CPU_USER_ENTRY(ra, rb) \ 32#define ACCOUNT_CPU_USER_ENTRY(ra, rb) \
31 beq 2f; /* if from kernel mode */ \ 33 beq 2f; /* if from kernel mode */ \
32BEGIN_FTR_SECTION; \ 34 MFTB(ra); /* get timebase */ \
33 mfspr ra,SPRN_PURR; /* get processor util. reg */ \ 35 ld rb,PACA_STARTTIME_USER(r13); \
34END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ 36 std ra,PACA_STARTTIME(r13); \
35BEGIN_FTR_SECTION; \
36 MFTB(ra); /* or get TB if no PURR */ \
37END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
38 ld rb,PACA_STARTPURR(r13); \
39 std ra,PACA_STARTPURR(r13); \
40 subf rb,rb,ra; /* subtract start value */ \ 37 subf rb,rb,ra; /* subtract start value */ \
41 ld ra,PACA_USER_TIME(r13); \ 38 ld ra,PACA_USER_TIME(r13); \
42 add ra,ra,rb; /* add on to user time */ \ 39 add ra,ra,rb; /* add on to user time */ \
@@ -44,19 +41,34 @@ END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
442: 412:
45 42
46#define ACCOUNT_CPU_USER_EXIT(ra, rb) \ 43#define ACCOUNT_CPU_USER_EXIT(ra, rb) \
47BEGIN_FTR_SECTION; \ 44 MFTB(ra); /* get timebase */ \
48 mfspr ra,SPRN_PURR; /* get processor util. reg */ \ 45 ld rb,PACA_STARTTIME(r13); \
49END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ 46 std ra,PACA_STARTTIME_USER(r13); \
50BEGIN_FTR_SECTION; \
51 MFTB(ra); /* or get TB if no PURR */ \
52END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
53 ld rb,PACA_STARTPURR(r13); \
54 std ra,PACA_STARTPURR(r13); \
55 subf rb,rb,ra; /* subtract start value */ \ 47 subf rb,rb,ra; /* subtract start value */ \
56 ld ra,PACA_SYSTEM_TIME(r13); \ 48 ld ra,PACA_SYSTEM_TIME(r13); \
57 add ra,ra,rb; /* add on to user time */ \ 49 add ra,ra,rb; /* add on to system time */ \
58 std ra,PACA_SYSTEM_TIME(r13); 50 std ra,PACA_SYSTEM_TIME(r13)
59#endif 51
52#ifdef CONFIG_PPC_SPLPAR
53#define ACCOUNT_STOLEN_TIME \
54BEGIN_FW_FTR_SECTION; \
55 beq 33f; \
56 /* from user - see if there are any DTL entries to process */ \
57 ld r10,PACALPPACAPTR(r13); /* get ptr to VPA */ \
58 ld r11,PACA_DTL_RIDX(r13); /* get log read index */ \
59 ld r10,LPPACA_DTLIDX(r10); /* get log write index */ \
60 cmpd cr1,r11,r10; \
61 beq+ cr1,33f; \
62 bl .accumulate_stolen_time; \
6333: \
64END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
65
66#else /* CONFIG_PPC_SPLPAR */
67#define ACCOUNT_STOLEN_TIME
68
69#endif /* CONFIG_PPC_SPLPAR */
70
71#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
60 72
61/* 73/*
62 * Macros for storing registers into and loading registers from 74 * Macros for storing registers into and loading registers from
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 19c05b0f74be..4c14187ba02d 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -118,7 +118,7 @@ extern struct task_struct *last_task_used_spe;
118#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4)) 118#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
119#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4)) 119#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
120 120
121#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \ 121#define TASK_UNMAPPED_BASE ((is_32bit_task()) ? \
122 TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 ) 122 TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
123#endif 123#endif
124 124
@@ -128,7 +128,7 @@ extern struct task_struct *last_task_used_spe;
128#define STACK_TOP_USER64 TASK_SIZE_USER64 128#define STACK_TOP_USER64 TASK_SIZE_USER64
129#define STACK_TOP_USER32 TASK_SIZE_USER32 129#define STACK_TOP_USER32 TASK_SIZE_USER32
130 130
131#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \ 131#define STACK_TOP (is_32bit_task() ? \
132 STACK_TOP_USER32 : STACK_TOP_USER64) 132 STACK_TOP_USER32 : STACK_TOP_USER64)
133 133
134#define STACK_TOP_MAX STACK_TOP_USER64 134#define STACK_TOP_MAX STACK_TOP_USER64
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index f2b370180a09..76bb195e4f24 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -171,6 +171,13 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
171/* Make modules code happy. We don't set RO yet */ 171/* Make modules code happy. We don't set RO yet */
172#define PAGE_KERNEL_EXEC PAGE_KERNEL_X 172#define PAGE_KERNEL_EXEC PAGE_KERNEL_X
173 173
174/*
175 * Don't just check for any non zero bits in __PAGE_USER, since for book3e
176 * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
177 * _PAGE_USER. Need to explictly match _PAGE_BAP_UR bit in that case too.
178 */
179#define pte_user(val) ((val & _PAGE_USER) == _PAGE_USER)
180
174/* Advertise special mapping type for AGP */ 181/* Advertise special mapping type for AGP */
175#define PAGE_AGP (PAGE_KERNEL_NC) 182#define PAGE_AGP (PAGE_KERNEL_NC)
176#define HAVE_PAGE_AGP 183#define HAVE_PAGE_AGP
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 3d35f8ae377e..9a1193e30f26 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -187,6 +187,7 @@ extern void rtas_progress(char *s, unsigned short hex);
187extern void rtas_initialize(void); 187extern void rtas_initialize(void);
188extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data); 188extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
189extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data); 189extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
190extern int rtas_ibm_suspend_me(struct rtas_args *);
190 191
191struct rtc_time; 192struct rtc_time;
192extern unsigned long rtas_get_boot_time(void); 193extern unsigned long rtas_get_boot_time(void);
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 3d212669a130..aa0f1ebb4aaf 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -329,3 +329,22 @@ COMPAT_SYS(rt_tgsigqueueinfo)
329SYSCALL(fanotify_init) 329SYSCALL(fanotify_init)
330COMPAT_SYS(fanotify_mark) 330COMPAT_SYS(fanotify_mark)
331SYSCALL_SPU(prlimit64) 331SYSCALL_SPU(prlimit64)
332SYSCALL_SPU(socket)
333SYSCALL_SPU(bind)
334SYSCALL_SPU(connect)
335SYSCALL_SPU(listen)
336SYSCALL_SPU(accept)
337SYSCALL_SPU(getsockname)
338SYSCALL_SPU(getpeername)
339SYSCALL_SPU(socketpair)
340SYSCALL_SPU(send)
341SYSCALL_SPU(sendto)
342COMPAT_SYS_SPU(recv)
343COMPAT_SYS_SPU(recvfrom)
344SYSCALL_SPU(shutdown)
345COMPAT_SYS_SPU(setsockopt)
346COMPAT_SYS_SPU(getsockopt)
347COMPAT_SYS_SPU(sendmsg)
348COMPAT_SYS_SPU(recvmsg)
349COMPAT_SYS_SPU(recvmmsg)
350SYSCALL_SPU(accept4)
diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h
index 9c3d160670b4..5e474ddd2273 100644
--- a/arch/powerpc/include/asm/system.h
+++ b/arch/powerpc/include/asm/system.h
@@ -154,8 +154,8 @@ extern void enable_kernel_spe(void);
154extern void giveup_spe(struct task_struct *); 154extern void giveup_spe(struct task_struct *);
155extern void load_up_spe(struct task_struct *); 155extern void load_up_spe(struct task_struct *);
156extern int fix_alignment(struct pt_regs *); 156extern int fix_alignment(struct pt_regs *);
157extern void cvt_fd(float *from, double *to, struct thread_struct *thread); 157extern void cvt_fd(float *from, double *to);
158extern void cvt_df(double *from, float *to, struct thread_struct *thread); 158extern void cvt_df(double *from, float *to);
159 159
160#ifndef CONFIG_SMP 160#ifndef CONFIG_SMP
161extern void discard_lazy_cpu_state(void); 161extern void discard_lazy_cpu_state(void);
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h
index dc779dfcf258..fe6f7c2c9c68 100644
--- a/arch/powerpc/include/asm/time.h
+++ b/arch/powerpc/include/asm/time.h
@@ -34,7 +34,6 @@ extern void to_tm(int tim, struct rtc_time * tm);
34extern void GregorianDay(struct rtc_time *tm); 34extern void GregorianDay(struct rtc_time *tm);
35 35
36extern void generic_calibrate_decr(void); 36extern void generic_calibrate_decr(void);
37extern void snapshot_timebase(void);
38 37
39extern void set_dec_cpu6(unsigned int val); 38extern void set_dec_cpu6(unsigned int val);
40 39
@@ -212,12 +211,8 @@ struct cpu_usage {
212DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array); 211DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array);
213 212
214#if defined(CONFIG_VIRT_CPU_ACCOUNTING) 213#if defined(CONFIG_VIRT_CPU_ACCOUNTING)
215extern void calculate_steal_time(void);
216extern void snapshot_timebases(void);
217#define account_process_vtime(tsk) account_process_tick(tsk, 0) 214#define account_process_vtime(tsk) account_process_tick(tsk, 0)
218#else 215#else
219#define calculate_steal_time() do { } while (0)
220#define snapshot_timebases() do { } while (0)
221#define account_process_vtime(tsk) do { } while (0) 216#define account_process_vtime(tsk) do { } while (0)
222#endif 217#endif
223 218
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 597e6f9d094a..6151937657f6 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -348,10 +348,29 @@
348#define __NR_fanotify_init 323 348#define __NR_fanotify_init 323
349#define __NR_fanotify_mark 324 349#define __NR_fanotify_mark 324
350#define __NR_prlimit64 325 350#define __NR_prlimit64 325
351#define __NR_socket 326
352#define __NR_bind 327
353#define __NR_connect 328
354#define __NR_listen 329
355#define __NR_accept 330
356#define __NR_getsockname 331
357#define __NR_getpeername 332
358#define __NR_socketpair 333
359#define __NR_send 334
360#define __NR_sendto 335
361#define __NR_recv 336
362#define __NR_recvfrom 337
363#define __NR_shutdown 338
364#define __NR_setsockopt 339
365#define __NR_getsockopt 340
366#define __NR_sendmsg 341
367#define __NR_recvmsg 342
368#define __NR_recvmmsg 343
369#define __NR_accept4 344
351 370
352#ifdef __KERNEL__ 371#ifdef __KERNEL__
353 372
354#define __NR_syscalls 326 373#define __NR_syscalls 345
355 374
356#define __NR__exit __NR_exit 375#define __NR__exit __NR_exit
357#define NR_syscalls __NR_syscalls 376#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 1dda70129141..4ed076a4db24 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -55,7 +55,9 @@ obj-$(CONFIG_IBMVIO) += vio.o
55obj-$(CONFIG_IBMEBUS) += ibmebus.o 55obj-$(CONFIG_IBMEBUS) += ibmebus.o
56obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o 56obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
57obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 57obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
58ifeq ($(CONFIG_PPC32),y)
58obj-$(CONFIG_E500) += idle_e500.o 59obj-$(CONFIG_E500) += idle_e500.o
60endif
59obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o 61obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
60obj-$(CONFIG_TAU) += tau_6xx.o 62obj-$(CONFIG_TAU) += tau_6xx.o
61obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o 63obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
@@ -67,7 +69,7 @@ endif
67obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o 69obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
68obj-$(CONFIG_MODULES) += module.o module_$(CONFIG_WORD_SIZE).o 70obj-$(CONFIG_MODULES) += module.o module_$(CONFIG_WORD_SIZE).o
69obj-$(CONFIG_44x) += cpu_setup_44x.o 71obj-$(CONFIG_44x) += cpu_setup_44x.o
70obj-$(CONFIG_FSL_BOOKE) += cpu_setup_fsl_booke.o dbell.o 72obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o dbell.o
71obj-$(CONFIG_PPC_BOOK3E_64) += dbell.o 73obj-$(CONFIG_PPC_BOOK3E_64) += dbell.o
72 74
73extra-y := head_$(CONFIG_WORD_SIZE).o 75extra-y := head_$(CONFIG_WORD_SIZE).o
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index b876e989220b..8184ee97e484 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -889,7 +889,7 @@ int fix_alignment(struct pt_regs *regs)
889#ifdef CONFIG_PPC_FPU 889#ifdef CONFIG_PPC_FPU
890 preempt_disable(); 890 preempt_disable();
891 enable_kernel_fp(); 891 enable_kernel_fp();
892 cvt_df(&data.dd, (float *)&data.v[4], &current->thread); 892 cvt_df(&data.dd, (float *)&data.v[4]);
893 preempt_enable(); 893 preempt_enable();
894#else 894#else
895 return 0; 895 return 0;
@@ -933,7 +933,7 @@ int fix_alignment(struct pt_regs *regs)
933#ifdef CONFIG_PPC_FPU 933#ifdef CONFIG_PPC_FPU
934 preempt_disable(); 934 preempt_disable();
935 enable_kernel_fp(); 935 enable_kernel_fp();
936 cvt_fd((float *)&data.v[4], &data.dd, &current->thread); 936 cvt_fd((float *)&data.v[4], &data.dd);
937 preempt_enable(); 937 preempt_enable();
938#else 938#else
939 return 0; 939 return 0;
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 1c0607ddccc0..c3e01945ad4f 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -61,7 +61,7 @@
61#endif 61#endif
62#endif 62#endif
63 63
64#if defined(CONFIG_FSL_BOOKE) 64#if defined(CONFIG_PPC_FSL_BOOK3E)
65#include "../mm/mmu_decl.h" 65#include "../mm/mmu_decl.h"
66#endif 66#endif
67 67
@@ -181,17 +181,19 @@ int main(void)
181 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid)); 181 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
182 DEFINE(SLBSHADOW_STACKESID, 182 DEFINE(SLBSHADOW_STACKESID,
183 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid)); 183 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
184 DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
184 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); 185 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
185 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); 186 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
186 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); 187 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
187 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); 188 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
188 DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area)); 189 DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
190 DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
189#endif /* CONFIG_PPC_STD_MMU_64 */ 191#endif /* CONFIG_PPC_STD_MMU_64 */
190 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); 192 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
191 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); 193 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
192 DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state)); 194 DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
193 DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr)); 195 DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
194 DEFINE(PACA_STARTSPURR, offsetof(struct paca_struct, startspurr)); 196 DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
195 DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time)); 197 DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
196 DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); 198 DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
197 DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save)); 199 DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
@@ -468,7 +470,7 @@ int main(void)
468 DEFINE(PGD_T_LOG2, PGD_T_LOG2); 470 DEFINE(PGD_T_LOG2, PGD_T_LOG2);
469 DEFINE(PTE_T_LOG2, PTE_T_LOG2); 471 DEFINE(PTE_T_LOG2, PTE_T_LOG2);
470#endif 472#endif
471#ifdef CONFIG_FSL_BOOKE 473#ifdef CONFIG_PPC_FSL_BOOK3E
472 DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam)); 474 DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
473 DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0)); 475 DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
474 DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1)); 476 DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 7d606f89a839..e32b4a9a2c22 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx)
35_GLOBAL(__setup_cpu_460ex) 35_GLOBAL(__setup_cpu_460ex)
36_GLOBAL(__setup_cpu_460gt) 36_GLOBAL(__setup_cpu_460gt)
37_GLOBAL(__setup_cpu_460sx) 37_GLOBAL(__setup_cpu_460sx)
38_GLOBAL(__setup_cpu_apm821xx)
38 mflr r4 39 mflr r4
39 bl __init_fpu_44x 40 bl __init_fpu_44x
40 bl __fixup_440A_mcheck 41 bl __fixup_440A_mcheck
diff --git a/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
index 0adb50ad8031..894e64fa481e 100644
--- a/arch/powerpc/kernel/cpu_setup_fsl_booke.S
+++ b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
@@ -51,6 +51,7 @@ _GLOBAL(__e500_dcache_setup)
51 isync 51 isync
52 blr 52 blr
53 53
54#ifdef CONFIG_PPC32
54_GLOBAL(__setup_cpu_e200) 55_GLOBAL(__setup_cpu_e200)
55 /* enable dedicated debug exception handling resources (Debug APU) */ 56 /* enable dedicated debug exception handling resources (Debug APU) */
56 mfspr r3,SPRN_HID0 57 mfspr r3,SPRN_HID0
@@ -72,3 +73,17 @@ _GLOBAL(__setup_cpu_e500mc)
72 bl __setup_e500mc_ivors 73 bl __setup_e500mc_ivors
73 mtlr r4 74 mtlr r4
74 blr 75 blr
76#endif
77/* Right now, restore and setup are the same thing */
78_GLOBAL(__restore_cpu_e5500)
79_GLOBAL(__setup_cpu_e5500)
80 mflr r4
81 bl __e500_icache_setup
82 bl __e500_dcache_setup
83#ifdef CONFIG_PPC_BOOK3E_64
84 bl .__setup_base_ivors
85#else
86 bl __setup_e500mc_ivors
87#endif
88 mtlr r4
89 blr
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 1f9123f412ec..96a908f1cd87 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
48extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec); 48extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
49extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec); 49extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
50extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec); 50extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
51extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec);
51extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec); 52extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
52extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec); 53extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
53extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec); 54extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -66,6 +67,10 @@ extern void __restore_cpu_ppc970(void);
66extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec); 67extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
67extern void __restore_cpu_power7(void); 68extern void __restore_cpu_power7(void);
68#endif /* CONFIG_PPC64 */ 69#endif /* CONFIG_PPC64 */
70#if defined(CONFIG_E500)
71extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec);
72extern void __restore_cpu_e5500(void);
73#endif /* CONFIG_E500 */
69 74
70/* This table only contains "desktop" CPUs, it need to be filled with embedded 75/* This table only contains "desktop" CPUs, it need to be filled with embedded
71 * ones as well... 76 * ones as well...
@@ -1805,6 +1810,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
1805 .machine_check = machine_check_440A, 1810 .machine_check = machine_check_440A,
1806 .platform = "ppc440", 1811 .platform = "ppc440",
1807 }, 1812 },
1813 { /* 464 in APM821xx */
1814 .pvr_mask = 0xffffff00,
1815 .pvr_value = 0x12C41C80,
1816 .cpu_name = "APM821XX",
1817 .cpu_features = CPU_FTRS_44X,
1818 .cpu_user_features = COMMON_USER_BOOKE |
1819 PPC_FEATURE_HAS_FPU,
1820 .mmu_features = MMU_FTR_TYPE_44x,
1821 .icache_bsize = 32,
1822 .dcache_bsize = 32,
1823 .cpu_setup = __setup_cpu_apm821xx,
1824 .machine_check = machine_check_440A,
1825 .platform = "ppc440",
1826 },
1808 { /* 476 core */ 1827 { /* 476 core */
1809 .pvr_mask = 0xffff0000, 1828 .pvr_mask = 0xffff0000,
1810 .pvr_value = 0x11a50000, 1829 .pvr_value = 0x11a50000,
@@ -1891,7 +1910,9 @@ static struct cpu_spec __initdata cpu_specs[] = {
1891 .platform = "ppc5554", 1910 .platform = "ppc5554",
1892 } 1911 }
1893#endif /* CONFIG_E200 */ 1912#endif /* CONFIG_E200 */
1913#endif /* CONFIG_PPC32 */
1894#ifdef CONFIG_E500 1914#ifdef CONFIG_E500
1915#ifdef CONFIG_PPC32
1895 { /* e500 */ 1916 { /* e500 */
1896 .pvr_mask = 0xffff0000, 1917 .pvr_mask = 0xffff0000,
1897 .pvr_value = 0x80200000, 1918 .pvr_value = 0x80200000,
@@ -1946,6 +1967,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
1946 .machine_check = machine_check_e500mc, 1967 .machine_check = machine_check_e500mc,
1947 .platform = "ppce500mc", 1968 .platform = "ppce500mc",
1948 }, 1969 },
1970#endif /* CONFIG_PPC32 */
1971 { /* e5500 */
1972 .pvr_mask = 0xffff0000,
1973 .pvr_value = 0x80240000,
1974 .cpu_name = "e5500",
1975 .cpu_features = CPU_FTRS_E500MC,
1976 .cpu_user_features = COMMON_USER_BOOKE,
1977 .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
1978 MMU_FTR_USE_TLBILX,
1979 .icache_bsize = 64,
1980 .dcache_bsize = 64,
1981 .num_pmcs = 4,
1982 .oprofile_cpu_type = "ppc/e500mc",
1983 .oprofile_type = PPC_OPROFILE_FSL_EMB,
1984 .cpu_setup = __setup_cpu_e5500,
1985 .cpu_restore = __restore_cpu_e5500,
1986 .machine_check = machine_check_e500mc,
1987 .platform = "ppce5500",
1988 },
1989#ifdef CONFIG_PPC32
1949 { /* default match */ 1990 { /* default match */
1950 .pvr_mask = 0x00000000, 1991 .pvr_mask = 0x00000000,
1951 .pvr_value = 0x00000000, 1992 .pvr_value = 0x00000000,
@@ -1960,8 +2001,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
1960 .machine_check = machine_check_e500, 2001 .machine_check = machine_check_e500,
1961 .platform = "powerpc", 2002 .platform = "powerpc",
1962 } 2003 }
1963#endif /* CONFIG_E500 */
1964#endif /* CONFIG_PPC32 */ 2004#endif /* CONFIG_PPC32 */
2005#endif /* CONFIG_E500 */
1965 2006
1966#ifdef CONFIG_PPC_BOOK3E_64 2007#ifdef CONFIG_PPC_BOOK3E_64
1967 { /* This is a default entry to get going, to be replaced by 2008 { /* This is a default entry to get going, to be replaced by
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 4457382f8667..832c8c4db254 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -414,18 +414,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
414 crash_kexec_wait_realmode(crashing_cpu); 414 crash_kexec_wait_realmode(crashing_cpu);
415#endif 415#endif
416 416
417 for_each_irq(i) { 417 machine_kexec_mask_interrupts();
418 struct irq_desc *desc = irq_to_desc(i);
419
420 if (!desc || !desc->chip || !desc->chip->eoi)
421 continue;
422
423 if (desc->status & IRQ_INPROGRESS)
424 desc->chip->eoi(i);
425
426 if (!(desc->status & IRQ_DISABLED))
427 desc->chip->shutdown(i);
428 }
429 418
430 /* 419 /*
431 * Call registered shutdown routines savely. Swap out 420 * Call registered shutdown routines savely. Swap out
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 37771a518119..6e54a0fd31aa 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -74,16 +74,17 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask)
74{ 74{
75 struct iommu_table *tbl = get_iommu_table_base(dev); 75 struct iommu_table *tbl = get_iommu_table_base(dev);
76 76
77 if (!tbl || tbl->it_offset > mask) { 77 if (!tbl) {
78 printk(KERN_INFO 78 dev_info(dev, "Warning: IOMMU dma not supported: mask 0x%08llx"
79 "Warning: IOMMU offset too big for device mask\n"); 79 ", table unavailable\n", mask);
80 if (tbl) 80 return 0;
81 printk(KERN_INFO 81 }
82 "mask: 0x%08llx, table offset: 0x%08lx\n", 82
83 mask, tbl->it_offset); 83 if ((tbl->it_offset + tbl->it_size) > (mask >> IOMMU_PAGE_SHIFT)) {
84 else 84 dev_info(dev, "Warning: IOMMU window too big for device mask\n");
85 printk(KERN_INFO "mask: 0x%08llx, table unavailable\n", 85 dev_info(dev, "mask: 0x%08llx, table end: 0x%08lx\n",
86 mask); 86 mask, (tbl->it_offset + tbl->it_size) <<
87 IOMMU_PAGE_SHIFT);
87 return 0; 88 return 0;
88 } else 89 } else
89 return 1; 90 return 1;
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 84d6367ec003..cf02cad62d9a 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -12,6 +12,7 @@
12#include <linux/memblock.h> 12#include <linux/memblock.h>
13#include <asm/bug.h> 13#include <asm/bug.h>
14#include <asm/abs_addr.h> 14#include <asm/abs_addr.h>
15#include <asm/machdep.h>
15 16
16/* 17/*
17 * Generic direct DMA implementation 18 * Generic direct DMA implementation
@@ -89,7 +90,7 @@ static int dma_direct_dma_supported(struct device *dev, u64 mask)
89 /* Could be improved so platforms can set the limit in case 90 /* Could be improved so platforms can set the limit in case
90 * they have limited DMA windows 91 * they have limited DMA windows
91 */ 92 */
92 return mask >= (memblock_end_of_DRAM() - 1); 93 return mask >= get_dma_offset(dev) + (memblock_end_of_DRAM() - 1);
93#else 94#else
94 return 1; 95 return 1;
95#endif 96#endif
@@ -154,6 +155,23 @@ EXPORT_SYMBOL(dma_direct_ops);
154 155
155#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16) 156#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
156 157
158int dma_set_mask(struct device *dev, u64 dma_mask)
159{
160 struct dma_map_ops *dma_ops = get_dma_ops(dev);
161
162 if (ppc_md.dma_set_mask)
163 return ppc_md.dma_set_mask(dev, dma_mask);
164 if (unlikely(dma_ops == NULL))
165 return -EIO;
166 if (dma_ops->set_dma_mask != NULL)
167 return dma_ops->set_dma_mask(dev, dma_mask);
168 if (!dev->dma_mask || !dma_supported(dev, dma_mask))
169 return -EIO;
170 *dev->dma_mask = dma_mask;
171 return 0;
172}
173EXPORT_SYMBOL(dma_set_mask);
174
157static int __init dma_init(void) 175static int __init dma_init(void)
158{ 176{
159 dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); 177 dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 42e9d908914a..d82878c4daa6 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -97,6 +97,24 @@ system_call_common:
97 addi r9,r1,STACK_FRAME_OVERHEAD 97 addi r9,r1,STACK_FRAME_OVERHEAD
98 ld r11,exception_marker@toc(r2) 98 ld r11,exception_marker@toc(r2)
99 std r11,-16(r9) /* "regshere" marker */ 99 std r11,-16(r9) /* "regshere" marker */
100#if defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR)
101BEGIN_FW_FTR_SECTION
102 beq 33f
103 /* if from user, see if there are any DTL entries to process */
104 ld r10,PACALPPACAPTR(r13) /* get ptr to VPA */
105 ld r11,PACA_DTL_RIDX(r13) /* get log read index */
106 ld r10,LPPACA_DTLIDX(r10) /* get log write index */
107 cmpd cr1,r11,r10
108 beq+ cr1,33f
109 bl .accumulate_stolen_time
110 REST_GPR(0,r1)
111 REST_4GPRS(3,r1)
112 REST_2GPRS(7,r1)
113 addi r9,r1,STACK_FRAME_OVERHEAD
11433:
115END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
116#endif /* CONFIG_VIRT_CPU_ACCOUNTING && CONFIG_PPC_SPLPAR */
117
100#ifdef CONFIG_TRACE_IRQFLAGS 118#ifdef CONFIG_TRACE_IRQFLAGS
101 bl .trace_hardirqs_on 119 bl .trace_hardirqs_on
102 REST_GPR(0,r1) 120 REST_GPR(0,r1)
@@ -202,7 +220,9 @@ syscall_exit:
202 bge- syscall_error 220 bge- syscall_error
203syscall_error_cont: 221syscall_error_cont:
204 ld r7,_NIP(r1) 222 ld r7,_NIP(r1)
223BEGIN_FTR_SECTION
205 stdcx. r0,0,r1 /* to clear the reservation */ 224 stdcx. r0,0,r1 /* to clear the reservation */
225END_FTR_SECTION_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
206 andi. r6,r8,MSR_PR 226 andi. r6,r8,MSR_PR
207 ld r4,_LINK(r1) 227 ld r4,_LINK(r1)
208 /* 228 /*
@@ -419,6 +439,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
419 sync 439 sync
420#endif /* CONFIG_SMP */ 440#endif /* CONFIG_SMP */
421 441
442 /*
443 * If we optimise away the clear of the reservation in system
444 * calls because we know the CPU tracks the address of the
445 * reservation, then we need to clear it here to cover the
446 * case that the kernel context switch path has no larx
447 * instructions.
448 */
449BEGIN_FTR_SECTION
450 ldarx r6,0,r1
451END_FTR_SECTION_IFSET(CPU_FTR_STCX_CHECKS_ADDRESS)
452
422 addi r6,r4,-THREAD /* Convert THREAD to 'current' */ 453 addi r6,r4,-THREAD /* Convert THREAD to 'current' */
423 std r6,PACACURRENT(r13) /* Set new 'current' */ 454 std r6,PACACURRENT(r13) /* Set new 'current' */
424 455
@@ -576,7 +607,16 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
576 andi. r0,r3,MSR_RI 607 andi. r0,r3,MSR_RI
577 beq- unrecov_restore 608 beq- unrecov_restore
578 609
610 /*
611 * Clear the reservation. If we know the CPU tracks the address of
612 * the reservation then we can potentially save some cycles and use
613 * a larx. On POWER6 and POWER7 this is significantly faster.
614 */
615BEGIN_FTR_SECTION
579 stdcx. r0,0,r1 /* to clear the reservation */ 616 stdcx. r0,0,r1 /* to clear the reservation */
617FTR_SECTION_ELSE
618 ldarx r4,0,r1
619ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
580 620
581 /* 621 /*
582 * Clear RI before restoring r13. If we are returning to 622 * Clear RI before restoring r13. If we are returning to
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index fc8f5b14019c..e86c040ae585 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -163,24 +163,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
163/* 163/*
164 * These are used in the alignment trap handler when emulating 164 * These are used in the alignment trap handler when emulating
165 * single-precision loads and stores. 165 * single-precision loads and stores.
166 * We restore and save the fpscr so the task gets the same result
167 * and exceptions as if the cpu had performed the load or store.
168 */ 166 */
169 167
170_GLOBAL(cvt_fd) 168_GLOBAL(cvt_fd)
171 lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
172 MTFSF_L(0)
173 lfs 0,0(r3) 169 lfs 0,0(r3)
174 stfd 0,0(r4) 170 stfd 0,0(r4)
175 mffs 0
176 stfd 0,THREAD_FPSCR(r5) /* save new fpscr value */
177 blr 171 blr
178 172
179_GLOBAL(cvt_df) 173_GLOBAL(cvt_df)
180 lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
181 MTFSF_L(0)
182 lfd 0,0(r3) 174 lfd 0,0(r3)
183 stfs 0,0(r4) 175 stfs 0,0(r4)
184 mffs 0
185 stfd 0,THREAD_FPSCR(r5) /* save new fpscr value */
186 blr 176 blr
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 4faeba247854..529b817f473b 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -152,8 +152,11 @@ _ENTRY(__early_start)
152 /* Check to see if we're the second processor, and jump 152 /* Check to see if we're the second processor, and jump
153 * to the secondary_start code if so 153 * to the secondary_start code if so
154 */ 154 */
155 mfspr r24,SPRN_PIR 155 lis r24, boot_cpuid@h
156 cmpwi r24,0 156 ori r24, r24, boot_cpuid@l
157 lwz r24, 0(r24)
158 cmpwi r24, -1
159 mfspr r24,SPRN_PIR
157 bne __secondary_start 160 bne __secondary_start
158#endif 161#endif
159 162
@@ -175,6 +178,9 @@ _ENTRY(__early_start)
175 li r0,0 178 li r0,0
176 stwu r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1) 179 stwu r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1)
177 180
181 rlwinm r22,r1,0,0,31-THREAD_SHIFT /* current thread_info */
182 stw r24, TI_CPU(r22)
183
178 bl early_init 184 bl early_init
179 185
180#ifdef CONFIG_RELOCATABLE 186#ifdef CONFIG_RELOCATABLE
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1903290f5469..ce557f6f00fc 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -587,8 +587,10 @@ struct irq_host *irq_alloc_host(struct device_node *of_node,
587 * this will be fixed once slab is made available early 587 * this will be fixed once slab is made available early
588 * instead of the current cruft 588 * instead of the current cruft
589 */ 589 */
590 if (mem_init_done) 590 if (mem_init_done) {
591 of_node_put(host->of_node);
591 kfree(host); 592 kfree(host);
593 }
592 return NULL; 594 return NULL;
593 } 595 }
594 irq_map[0].host = host; 596 irq_map[0].host = host;
@@ -1143,7 +1145,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
1143 unsigned long flags; 1145 unsigned long flags;
1144 struct irq_desc *desc; 1146 struct irq_desc *desc;
1145 const char *p; 1147 const char *p;
1146 char none[] = "none"; 1148 static const char none[] = "none";
1147 int i; 1149 int i;
1148 1150
1149 seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq", 1151 seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq",
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index 50362b6ef6e9..8d9e3b9cda64 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -56,7 +56,7 @@ static unsigned long get_purr(void)
56 56
57 for_each_possible_cpu(cpu) { 57 for_each_possible_cpu(cpu) {
58 if (firmware_has_feature(FW_FEATURE_ISERIES)) 58 if (firmware_has_feature(FW_FEATURE_ISERIES))
59 sum_purr += lppaca[cpu].emulated_time_base; 59 sum_purr += lppaca_of(cpu).emulated_time_base;
60 else { 60 else {
61 struct cpu_usage *cu; 61 struct cpu_usage *cu;
62 62
@@ -263,7 +263,7 @@ static void parse_ppp_data(struct seq_file *m)
263 ppp_data.active_system_procs); 263 ppp_data.active_system_procs);
264 264
265 /* pool related entries are apropriate for shared configs */ 265 /* pool related entries are apropriate for shared configs */
266 if (lppaca[0].shared_proc) { 266 if (lppaca_of(0).shared_proc) {
267 unsigned long pool_idle_time, pool_procs; 267 unsigned long pool_idle_time, pool_procs;
268 268
269 seq_printf(m, "pool=%d\n", ppp_data.pool_num); 269 seq_printf(m, "pool=%d\n", ppp_data.pool_num);
@@ -460,8 +460,8 @@ static void pseries_cmo_data(struct seq_file *m)
460 return; 460 return;
461 461
462 for_each_possible_cpu(cpu) { 462 for_each_possible_cpu(cpu) {
463 cmo_faults += lppaca[cpu].cmo_faults; 463 cmo_faults += lppaca_of(cpu).cmo_faults;
464 cmo_fault_time += lppaca[cpu].cmo_fault_time; 464 cmo_fault_time += lppaca_of(cpu).cmo_fault_time;
465 } 465 }
466 466
467 seq_printf(m, "cmo_faults=%lu\n", cmo_faults); 467 seq_printf(m, "cmo_faults=%lu\n", cmo_faults);
@@ -479,8 +479,8 @@ static void splpar_dispatch_data(struct seq_file *m)
479 unsigned long dispatch_dispersions = 0; 479 unsigned long dispatch_dispersions = 0;
480 480
481 for_each_possible_cpu(cpu) { 481 for_each_possible_cpu(cpu) {
482 dispatches += lppaca[cpu].yield_count; 482 dispatches += lppaca_of(cpu).yield_count;
483 dispatch_dispersions += lppaca[cpu].dispersion_count; 483 dispatch_dispersions += lppaca_of(cpu).dispersion_count;
484 } 484 }
485 485
486 seq_printf(m, "dispatches=%lu\n", dispatches); 486 seq_printf(m, "dispatches=%lu\n", dispatches);
@@ -545,7 +545,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
545 seq_printf(m, "partition_potential_processors=%d\n", 545 seq_printf(m, "partition_potential_processors=%d\n",
546 partition_potential_processors); 546 partition_potential_processors);
547 547
548 seq_printf(m, "shared_processor_mode=%d\n", lppaca[0].shared_proc); 548 seq_printf(m, "shared_processor_mode=%d\n", lppaca_of(0).shared_proc);
549 549
550 seq_printf(m, "slb_size=%d\n", mmu_slb_size); 550 seq_printf(m, "slb_size=%d\n", mmu_slb_size);
551 551
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index dd6c141f1662..df7e20c191cd 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -14,10 +14,34 @@
14#include <linux/threads.h> 14#include <linux/threads.h>
15#include <linux/memblock.h> 15#include <linux/memblock.h>
16#include <linux/of.h> 16#include <linux/of.h>
17#include <linux/irq.h>
18
17#include <asm/machdep.h> 19#include <asm/machdep.h>
18#include <asm/prom.h> 20#include <asm/prom.h>
19#include <asm/sections.h> 21#include <asm/sections.h>
20 22
23void machine_kexec_mask_interrupts(void) {
24 unsigned int i;
25
26 for_each_irq(i) {
27 struct irq_desc *desc = irq_to_desc(i);
28
29 if (!desc || !desc->chip)
30 continue;
31
32 if (desc->chip->eoi &&
33 desc->status & IRQ_INPROGRESS)
34 desc->chip->eoi(i);
35
36 if (desc->chip->mask)
37 desc->chip->mask(i);
38
39 if (desc->chip->disable &&
40 !(desc->status & IRQ_DISABLED))
41 desc->chip->disable(i);
42 }
43}
44
21void machine_crash_shutdown(struct pt_regs *regs) 45void machine_crash_shutdown(struct pt_regs *regs)
22{ 46{
23 if (ppc_md.machine_crash_shutdown) 47 if (ppc_md.machine_crash_shutdown)
diff --git a/arch/powerpc/kernel/machine_kexec_32.c b/arch/powerpc/kernel/machine_kexec_32.c
index ae63a964b858..e63f2e7d2efb 100644
--- a/arch/powerpc/kernel/machine_kexec_32.c
+++ b/arch/powerpc/kernel/machine_kexec_32.c
@@ -39,6 +39,10 @@ void default_machine_kexec(struct kimage *image)
39 /* Interrupts aren't acceptable while we reboot */ 39 /* Interrupts aren't acceptable while we reboot */
40 local_irq_disable(); 40 local_irq_disable();
41 41
42 /* mask each interrupt so we are in a more sane state for the
43 * kexec kernel */
44 machine_kexec_mask_interrupts();
45
42 page_list = image->head; 46 page_list = image->head;
43 47
44 /* we need both effective and real address here */ 48 /* we need both effective and real address here */
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index a4e72159234f..ebf9846f3c3b 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -27,6 +27,20 @@ extern unsigned long __toc_start;
27#ifdef CONFIG_PPC_BOOK3S 27#ifdef CONFIG_PPC_BOOK3S
28 28
29/* 29/*
30 * We only have to have statically allocated lppaca structs on
31 * legacy iSeries, which supports at most 64 cpus.
32 */
33#ifdef CONFIG_PPC_ISERIES
34#if NR_CPUS < 64
35#define NR_LPPACAS NR_CPUS
36#else
37#define NR_LPPACAS 64
38#endif
39#else /* not iSeries */
40#define NR_LPPACAS 1
41#endif
42
43/*
30 * The structure which the hypervisor knows about - this structure 44 * The structure which the hypervisor knows about - this structure
31 * should not cross a page boundary. The vpa_init/register_vpa call 45 * should not cross a page boundary. The vpa_init/register_vpa call
32 * is now known to fail if the lppaca structure crosses a page 46 * is now known to fail if the lppaca structure crosses a page
@@ -36,7 +50,7 @@ extern unsigned long __toc_start;
36 * will suffice to ensure that it doesn't cross a page boundary. 50 * will suffice to ensure that it doesn't cross a page boundary.
37 */ 51 */
38struct lppaca lppaca[] = { 52struct lppaca lppaca[] = {
39 [0 ... (NR_CPUS-1)] = { 53 [0 ... (NR_LPPACAS-1)] = {
40 .desc = 0xd397d781, /* "LpPa" */ 54 .desc = 0xd397d781, /* "LpPa" */
41 .size = sizeof(struct lppaca), 55 .size = sizeof(struct lppaca),
42 .dyn_proc_status = 2, 56 .dyn_proc_status = 2,
@@ -49,6 +63,54 @@ struct lppaca lppaca[] = {
49 }, 63 },
50}; 64};
51 65
66static struct lppaca *extra_lppacas;
67static long __initdata lppaca_size;
68
69static void allocate_lppacas(int nr_cpus, unsigned long limit)
70{
71 if (nr_cpus <= NR_LPPACAS)
72 return;
73
74 lppaca_size = PAGE_ALIGN(sizeof(struct lppaca) *
75 (nr_cpus - NR_LPPACAS));
76 extra_lppacas = __va(memblock_alloc_base(lppaca_size,
77 PAGE_SIZE, limit));
78}
79
80static struct lppaca *new_lppaca(int cpu)
81{
82 struct lppaca *lp;
83
84 if (cpu < NR_LPPACAS)
85 return &lppaca[cpu];
86
87 lp = extra_lppacas + (cpu - NR_LPPACAS);
88 *lp = lppaca[0];
89
90 return lp;
91}
92
93static void free_lppacas(void)
94{
95 long new_size = 0, nr;
96
97 if (!lppaca_size)
98 return;
99 nr = num_possible_cpus() - NR_LPPACAS;
100 if (nr > 0)
101 new_size = PAGE_ALIGN(nr * sizeof(struct lppaca));
102 if (new_size >= lppaca_size)
103 return;
104
105 memblock_free(__pa(extra_lppacas) + new_size, lppaca_size - new_size);
106 lppaca_size = new_size;
107}
108
109#else
110
111static inline void allocate_lppacas(int nr_cpus, unsigned long limit) { }
112static inline void free_lppacas(void) { }
113
52#endif /* CONFIG_PPC_BOOK3S */ 114#endif /* CONFIG_PPC_BOOK3S */
53 115
54#ifdef CONFIG_PPC_STD_MMU_64 116#ifdef CONFIG_PPC_STD_MMU_64
@@ -88,7 +150,7 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu)
88 unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL; 150 unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL;
89 151
90#ifdef CONFIG_PPC_BOOK3S 152#ifdef CONFIG_PPC_BOOK3S
91 new_paca->lppaca_ptr = &lppaca[cpu]; 153 new_paca->lppaca_ptr = new_lppaca(cpu);
92#else 154#else
93 new_paca->kernel_pgd = swapper_pg_dir; 155 new_paca->kernel_pgd = swapper_pg_dir;
94#endif 156#endif
@@ -144,6 +206,8 @@ void __init allocate_pacas(void)
144 printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n", 206 printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
145 paca_size, nr_cpus, paca); 207 paca_size, nr_cpus, paca);
146 208
209 allocate_lppacas(nr_cpus, limit);
210
147 /* Can't use for_each_*_cpu, as they aren't functional yet */ 211 /* Can't use for_each_*_cpu, as they aren't functional yet */
148 for (cpu = 0; cpu < nr_cpus; cpu++) 212 for (cpu = 0; cpu < nr_cpus; cpu++)
149 initialise_paca(&paca[cpu], cpu); 213 initialise_paca(&paca[cpu], cpu);
@@ -164,4 +228,6 @@ void __init free_unused_pacas(void)
164 paca_size - new_size); 228 paca_size - new_size);
165 229
166 paca_size = new_size; 230 paca_size = new_size;
231
232 free_lppacas();
167} 233}
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 9021c4ad4bbd..10a44e68ef11 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1090,8 +1090,6 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
1090 bus->number, bus->self ? pci_name(bus->self) : "PHB"); 1090 bus->number, bus->self ? pci_name(bus->self) : "PHB");
1091 1091
1092 list_for_each_entry(dev, &bus->devices, bus_list) { 1092 list_for_each_entry(dev, &bus->devices, bus_list) {
1093 struct dev_archdata *sd = &dev->dev.archdata;
1094
1095 /* Cardbus can call us to add new devices to a bus, so ignore 1093 /* Cardbus can call us to add new devices to a bus, so ignore
1096 * those who are already fully discovered 1094 * those who are already fully discovered
1097 */ 1095 */
@@ -1107,7 +1105,7 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
1107 set_dev_node(&dev->dev, pcibus_to_node(dev->bus)); 1105 set_dev_node(&dev->dev, pcibus_to_node(dev->bus));
1108 1106
1109 /* Hook up default DMA ops */ 1107 /* Hook up default DMA ops */
1110 sd->dma_ops = pci_dma_ops; 1108 set_dma_ops(&dev->dev, pci_dma_ops);
1111 set_dma_offset(&dev->dev, PCI_DRAM_OFFSET); 1109 set_dma_offset(&dev->dev, PCI_DRAM_OFFSET);
1112 1110
1113 /* Additional platform DMA/iommu setup */ 1111 /* Additional platform DMA/iommu setup */
diff --git a/arch/powerpc/kernel/ppc970-pmu.c b/arch/powerpc/kernel/ppc970-pmu.c
index 8eff48e20dba..3fee685de4df 100644
--- a/arch/powerpc/kernel/ppc970-pmu.c
+++ b/arch/powerpc/kernel/ppc970-pmu.c
@@ -169,9 +169,11 @@ static int p970_marked_instr_event(u64 event)
169 switch (unit) { 169 switch (unit) {
170 case PM_VPU: 170 case PM_VPU:
171 mask = 0x4c; /* byte 0 bits 2,3,6 */ 171 mask = 0x4c; /* byte 0 bits 2,3,6 */
172 break;
172 case PM_LSU0: 173 case PM_LSU0:
173 /* byte 2 bits 0,2,3,4,6; all of byte 1 */ 174 /* byte 2 bits 0,2,3,4,6; all of byte 1 */
174 mask = 0x085dff00; 175 mask = 0x085dff00;
176 break;
175 case PM_LSU1L: 177 case PM_LSU1L:
176 mask = 0x50 << 24; /* byte 3 bits 4,6 */ 178 mask = 0x50 << 24; /* byte 3 bits 4,6 */
177 break; 179 break;
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index b1c648a36b03..84906d3fc860 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -517,7 +517,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
517 517
518 account_system_vtime(current); 518 account_system_vtime(current);
519 account_process_vtime(current); 519 account_process_vtime(current);
520 calculate_steal_time();
521 520
522 /* 521 /*
523 * We can't take a PMU exception inside _switch() since there is a 522 * We can't take a PMU exception inside _switch() since there is a
@@ -1298,14 +1297,3 @@ unsigned long randomize_et_dyn(unsigned long base)
1298 1297
1299 return ret; 1298 return ret;
1300} 1299}
1301
1302#ifdef CONFIG_SMP
1303int arch_sd_sibling_asym_packing(void)
1304{
1305 if (cpu_has_feature(CPU_FTR_ASYM_SMT)) {
1306 printk_once(KERN_INFO "Enabling Asymmetric SMT scheduling\n");
1307 return SD_ASYM_PACKING;
1308 }
1309 return 0;
1310}
1311#endif
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 11f3cd9c832f..286d9783d93f 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1681,7 +1681,7 @@ long do_syscall_trace_enter(struct pt_regs *regs)
1681 1681
1682 if (unlikely(current->audit_context)) { 1682 if (unlikely(current->audit_context)) {
1683#ifdef CONFIG_PPC64 1683#ifdef CONFIG_PPC64
1684 if (!test_thread_flag(TIF_32BIT)) 1684 if (!is_32bit_task())
1685 audit_syscall_entry(AUDIT_ARCH_PPC64, 1685 audit_syscall_entry(AUDIT_ARCH_PPC64,
1686 regs->gpr[0], 1686 regs->gpr[0],
1687 regs->gpr[3], regs->gpr[4], 1687 regs->gpr[3], regs->gpr[4],
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 7333fdbf857b..8fe8bc61c10a 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -805,7 +805,7 @@ static void rtas_percpu_suspend_me(void *info)
805 __rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1); 805 __rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
806} 806}
807 807
808static int rtas_ibm_suspend_me(struct rtas_args *args) 808int rtas_ibm_suspend_me(struct rtas_args *args)
809{ 809{
810 long state; 810 long state;
811 long rc; 811 long rc;
@@ -855,7 +855,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args)
855 return atomic_read(&data.error); 855 return atomic_read(&data.error);
856} 856}
857#else /* CONFIG_PPC_PSERIES */ 857#else /* CONFIG_PPC_PSERIES */
858static int rtas_ibm_suspend_me(struct rtas_args *args) 858int rtas_ibm_suspend_me(struct rtas_args *args)
859{ 859{
860 return -ENOSYS; 860 return -ENOSYS;
861} 861}
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index b86111fe9257..1d2fbc905303 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -46,7 +46,7 @@
46 46
47extern void bootx_init(unsigned long r4, unsigned long phys); 47extern void bootx_init(unsigned long r4, unsigned long phys);
48 48
49int boot_cpuid; 49int boot_cpuid = -1;
50EXPORT_SYMBOL_GPL(boot_cpuid); 50EXPORT_SYMBOL_GPL(boot_cpuid);
51int boot_cpuid_phys; 51int boot_cpuid_phys;
52 52
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 0008bc58e826..68034bbf2e4f 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -508,9 +508,6 @@ int __devinit start_secondary(void *unused)
508 if (smp_ops->take_timebase) 508 if (smp_ops->take_timebase)
509 smp_ops->take_timebase(); 509 smp_ops->take_timebase();
510 510
511 if (system_state > SYSTEM_BOOTING)
512 snapshot_timebase();
513
514 secondary_cpu_time_init(); 511 secondary_cpu_time_init();
515 512
516 ipi_call_lock(); 513 ipi_call_lock();
@@ -575,11 +572,18 @@ void __init smp_cpus_done(unsigned int max_cpus)
575 572
576 free_cpumask_var(old_mask); 573 free_cpumask_var(old_mask);
577 574
578 snapshot_timebases();
579
580 dump_numa_cpu_topology(); 575 dump_numa_cpu_topology();
581} 576}
582 577
578int arch_sd_sibling_asym_packing(void)
579{
580 if (cpu_has_feature(CPU_FTR_ASYM_SMT)) {
581 printk_once(KERN_INFO "Enabling Asymmetric SMT scheduling\n");
582 return SD_ASYM_PACKING;
583 }
584 return 0;
585}
586
583#ifdef CONFIG_HOTPLUG_CPU 587#ifdef CONFIG_HOTPLUG_CPU
584int __cpu_disable(void) 588int __cpu_disable(void)
585{ 589{
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 54888eb10c3b..010406958d97 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -161,10 +161,9 @@ extern struct timezone sys_tz;
161static long timezone_offset; 161static long timezone_offset;
162 162
163unsigned long ppc_proc_freq; 163unsigned long ppc_proc_freq;
164EXPORT_SYMBOL(ppc_proc_freq); 164EXPORT_SYMBOL_GPL(ppc_proc_freq);
165unsigned long ppc_tb_freq; 165unsigned long ppc_tb_freq;
166 166EXPORT_SYMBOL_GPL(ppc_tb_freq);
167static DEFINE_PER_CPU(u64, last_jiffy);
168 167
169#ifdef CONFIG_VIRT_CPU_ACCOUNTING 168#ifdef CONFIG_VIRT_CPU_ACCOUNTING
170/* 169/*
@@ -185,6 +184,8 @@ DEFINE_PER_CPU(unsigned long, cputime_scaled_last_delta);
185 184
186cputime_t cputime_one_jiffy; 185cputime_t cputime_one_jiffy;
187 186
187void (*dtl_consumer)(struct dtl_entry *, u64);
188
188static void calc_cputime_factors(void) 189static void calc_cputime_factors(void)
189{ 190{
190 struct div_result res; 191 struct div_result res;
@@ -200,62 +201,153 @@ static void calc_cputime_factors(void)
200} 201}
201 202
202/* 203/*
203 * Read the PURR on systems that have it, otherwise the timebase. 204 * Read the SPURR on systems that have it, otherwise the PURR,
205 * or if that doesn't exist return the timebase value passed in.
204 */ 206 */
205static u64 read_purr(void) 207static u64 read_spurr(u64 tb)
206{ 208{
209 if (cpu_has_feature(CPU_FTR_SPURR))
210 return mfspr(SPRN_SPURR);
207 if (cpu_has_feature(CPU_FTR_PURR)) 211 if (cpu_has_feature(CPU_FTR_PURR))
208 return mfspr(SPRN_PURR); 212 return mfspr(SPRN_PURR);
209 return mftb(); 213 return tb;
210} 214}
211 215
216#ifdef CONFIG_PPC_SPLPAR
217
212/* 218/*
213 * Read the SPURR on systems that have it, otherwise the purr 219 * Scan the dispatch trace log and count up the stolen time.
220 * Should be called with interrupts disabled.
214 */ 221 */
215static u64 read_spurr(u64 purr) 222static u64 scan_dispatch_log(u64 stop_tb)
216{ 223{
217 /* 224 u64 i = local_paca->dtl_ridx;
218 * cpus without PURR won't have a SPURR 225 struct dtl_entry *dtl = local_paca->dtl_curr;
219 * We already know the former when we use this, so tell gcc 226 struct dtl_entry *dtl_end = local_paca->dispatch_log_end;
220 */ 227 struct lppaca *vpa = local_paca->lppaca_ptr;
221 if (cpu_has_feature(CPU_FTR_PURR) && cpu_has_feature(CPU_FTR_SPURR)) 228 u64 tb_delta;
222 return mfspr(SPRN_SPURR); 229 u64 stolen = 0;
223 return purr; 230 u64 dtb;
231
232 if (i == vpa->dtl_idx)
233 return 0;
234 while (i < vpa->dtl_idx) {
235 if (dtl_consumer)
236 dtl_consumer(dtl, i);
237 dtb = dtl->timebase;
238 tb_delta = dtl->enqueue_to_dispatch_time +
239 dtl->ready_to_enqueue_time;
240 barrier();
241 if (i + N_DISPATCH_LOG < vpa->dtl_idx) {
242 /* buffer has overflowed */
243 i = vpa->dtl_idx - N_DISPATCH_LOG;
244 dtl = local_paca->dispatch_log + (i % N_DISPATCH_LOG);
245 continue;
246 }
247 if (dtb > stop_tb)
248 break;
249 stolen += tb_delta;
250 ++i;
251 ++dtl;
252 if (dtl == dtl_end)
253 dtl = local_paca->dispatch_log;
254 }
255 local_paca->dtl_ridx = i;
256 local_paca->dtl_curr = dtl;
257 return stolen;
224} 258}
225 259
226/* 260/*
261 * Accumulate stolen time by scanning the dispatch trace log.
262 * Called on entry from user mode.
263 */
264void accumulate_stolen_time(void)
265{
266 u64 sst, ust;
267
268 sst = scan_dispatch_log(get_paca()->starttime_user);
269 ust = scan_dispatch_log(get_paca()->starttime);
270 get_paca()->system_time -= sst;
271 get_paca()->user_time -= ust;
272 get_paca()->stolen_time += ust + sst;
273}
274
275static inline u64 calculate_stolen_time(u64 stop_tb)
276{
277 u64 stolen = 0;
278
279 if (get_paca()->dtl_ridx != get_paca()->lppaca_ptr->dtl_idx) {
280 stolen = scan_dispatch_log(stop_tb);
281 get_paca()->system_time -= stolen;
282 }
283
284 stolen += get_paca()->stolen_time;
285 get_paca()->stolen_time = 0;
286 return stolen;
287}
288
289#else /* CONFIG_PPC_SPLPAR */
290static inline u64 calculate_stolen_time(u64 stop_tb)
291{
292 return 0;
293}
294
295#endif /* CONFIG_PPC_SPLPAR */
296
297/*
227 * Account time for a transition between system, hard irq 298 * Account time for a transition between system, hard irq
228 * or soft irq state. 299 * or soft irq state.
229 */ 300 */
230void account_system_vtime(struct task_struct *tsk) 301void account_system_vtime(struct task_struct *tsk)
231{ 302{
232 u64 now, nowscaled, delta, deltascaled, sys_time; 303 u64 now, nowscaled, delta, deltascaled;
233 unsigned long flags; 304 unsigned long flags;
305 u64 stolen, udelta, sys_scaled, user_scaled;
234 306
235 local_irq_save(flags); 307 local_irq_save(flags);
236 now = read_purr(); 308 now = mftb();
237 nowscaled = read_spurr(now); 309 nowscaled = read_spurr(now);
238 delta = now - get_paca()->startpurr; 310 get_paca()->system_time += now - get_paca()->starttime;
311 get_paca()->starttime = now;
239 deltascaled = nowscaled - get_paca()->startspurr; 312 deltascaled = nowscaled - get_paca()->startspurr;
240 get_paca()->startpurr = now;
241 get_paca()->startspurr = nowscaled; 313 get_paca()->startspurr = nowscaled;
242 if (!in_interrupt()) { 314
243 /* deltascaled includes both user and system time. 315 stolen = calculate_stolen_time(now);
244 * Hence scale it based on the purr ratio to estimate 316
245 * the system time */ 317 delta = get_paca()->system_time;
246 sys_time = get_paca()->system_time; 318 get_paca()->system_time = 0;
247 if (get_paca()->user_time) 319 udelta = get_paca()->user_time - get_paca()->utime_sspurr;
248 deltascaled = deltascaled * sys_time / 320 get_paca()->utime_sspurr = get_paca()->user_time;
249 (sys_time + get_paca()->user_time); 321
250 delta += sys_time; 322 /*
251 get_paca()->system_time = 0; 323 * Because we don't read the SPURR on every kernel entry/exit,
324 * deltascaled includes both user and system SPURR ticks.
325 * Apportion these ticks to system SPURR ticks and user
326 * SPURR ticks in the same ratio as the system time (delta)
327 * and user time (udelta) values obtained from the timebase
328 * over the same interval. The system ticks get accounted here;
329 * the user ticks get saved up in paca->user_time_scaled to be
330 * used by account_process_tick.
331 */
332 sys_scaled = delta;
333 user_scaled = udelta;
334 if (deltascaled != delta + udelta) {
335 if (udelta) {
336 sys_scaled = deltascaled * delta / (delta + udelta);
337 user_scaled = deltascaled - sys_scaled;
338 } else {
339 sys_scaled = deltascaled;
340 }
341 }
342 get_paca()->user_time_scaled += user_scaled;
343
344 if (in_irq() || idle_task(smp_processor_id()) != tsk) {
345 account_system_time(tsk, 0, delta, sys_scaled);
346 if (stolen)
347 account_steal_time(stolen);
348 } else {
349 account_idle_time(delta + stolen);
252 } 350 }
253 if (in_irq() || idle_task(smp_processor_id()) != tsk)
254 account_system_time(tsk, 0, delta, deltascaled);
255 else
256 account_idle_time(delta);
257 __get_cpu_var(cputime_last_delta) = delta;
258 __get_cpu_var(cputime_scaled_last_delta) = deltascaled;
259 local_irq_restore(flags); 351 local_irq_restore(flags);
260} 352}
261EXPORT_SYMBOL_GPL(account_system_vtime); 353EXPORT_SYMBOL_GPL(account_system_vtime);
@@ -265,125 +357,26 @@ EXPORT_SYMBOL_GPL(account_system_vtime);
265 * by the exception entry and exit code to the generic process 357 * by the exception entry and exit code to the generic process
266 * user and system time records. 358 * user and system time records.
267 * Must be called with interrupts disabled. 359 * Must be called with interrupts disabled.
360 * Assumes that account_system_vtime() has been called recently
361 * (i.e. since the last entry from usermode) so that
362 * get_paca()->user_time_scaled is up to date.
268 */ 363 */
269void account_process_tick(struct task_struct *tsk, int user_tick) 364void account_process_tick(struct task_struct *tsk, int user_tick)
270{ 365{
271 cputime_t utime, utimescaled; 366 cputime_t utime, utimescaled;
272 367
273 utime = get_paca()->user_time; 368 utime = get_paca()->user_time;
369 utimescaled = get_paca()->user_time_scaled;
274 get_paca()->user_time = 0; 370 get_paca()->user_time = 0;
275 utimescaled = cputime_to_scaled(utime); 371 get_paca()->user_time_scaled = 0;
372 get_paca()->utime_sspurr = 0;
276 account_user_time(tsk, utime, utimescaled); 373 account_user_time(tsk, utime, utimescaled);
277} 374}
278 375
279/*
280 * Stuff for accounting stolen time.
281 */
282struct cpu_purr_data {
283 int initialized; /* thread is running */
284 u64 tb; /* last TB value read */
285 u64 purr; /* last PURR value read */
286 u64 spurr; /* last SPURR value read */
287};
288
289/*
290 * Each entry in the cpu_purr_data array is manipulated only by its
291 * "owner" cpu -- usually in the timer interrupt but also occasionally
292 * in process context for cpu online. As long as cpus do not touch
293 * each others' cpu_purr_data, disabling local interrupts is
294 * sufficient to serialize accesses.
295 */
296static DEFINE_PER_CPU(struct cpu_purr_data, cpu_purr_data);
297
298static void snapshot_tb_and_purr(void *data)
299{
300 unsigned long flags;
301 struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data);
302
303 local_irq_save(flags);
304 p->tb = get_tb_or_rtc();
305 p->purr = mfspr(SPRN_PURR);
306 wmb();
307 p->initialized = 1;
308 local_irq_restore(flags);
309}
310
311/*
312 * Called during boot when all cpus have come up.
313 */
314void snapshot_timebases(void)
315{
316 if (!cpu_has_feature(CPU_FTR_PURR))
317 return;
318 on_each_cpu(snapshot_tb_and_purr, NULL, 1);
319}
320
321/*
322 * Must be called with interrupts disabled.
323 */
324void calculate_steal_time(void)
325{
326 u64 tb, purr;
327 s64 stolen;
328 struct cpu_purr_data *pme;
329
330 pme = &__get_cpu_var(cpu_purr_data);
331 if (!pme->initialized)
332 return; /* !CPU_FTR_PURR or early in early boot */
333 tb = mftb();
334 purr = mfspr(SPRN_PURR);
335 stolen = (tb - pme->tb) - (purr - pme->purr);
336 if (stolen > 0) {
337 if (idle_task(smp_processor_id()) != current)
338 account_steal_time(stolen);
339 else
340 account_idle_time(stolen);
341 }
342 pme->tb = tb;
343 pme->purr = purr;
344}
345
346#ifdef CONFIG_PPC_SPLPAR
347/*
348 * Must be called before the cpu is added to the online map when
349 * a cpu is being brought up at runtime.
350 */
351static void snapshot_purr(void)
352{
353 struct cpu_purr_data *pme;
354 unsigned long flags;
355
356 if (!cpu_has_feature(CPU_FTR_PURR))
357 return;
358 local_irq_save(flags);
359 pme = &__get_cpu_var(cpu_purr_data);
360 pme->tb = mftb();
361 pme->purr = mfspr(SPRN_PURR);
362 pme->initialized = 1;
363 local_irq_restore(flags);
364}
365
366#endif /* CONFIG_PPC_SPLPAR */
367
368#else /* ! CONFIG_VIRT_CPU_ACCOUNTING */ 376#else /* ! CONFIG_VIRT_CPU_ACCOUNTING */
369#define calc_cputime_factors() 377#define calc_cputime_factors()
370#define calculate_steal_time() do { } while (0)
371#endif 378#endif
372 379
373#if !(defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR))
374#define snapshot_purr() do { } while (0)
375#endif
376
377/*
378 * Called when a cpu comes up after the system has finished booting,
379 * i.e. as a result of a hotplug cpu action.
380 */
381void snapshot_timebase(void)
382{
383 __get_cpu_var(last_jiffy) = get_tb_or_rtc();
384 snapshot_purr();
385}
386
387void __delay(unsigned long loops) 380void __delay(unsigned long loops)
388{ 381{
389 unsigned long start; 382 unsigned long start;
@@ -585,8 +578,6 @@ void timer_interrupt(struct pt_regs * regs)
585 old_regs = set_irq_regs(regs); 578 old_regs = set_irq_regs(regs);
586 irq_enter(); 579 irq_enter();
587 580
588 calculate_steal_time();
589
590 if (test_irq_work_pending()) { 581 if (test_irq_work_pending()) {
591 clear_irq_work_pending(); 582 clear_irq_work_pending();
592 irq_work_run(); 583 irq_work_run();
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index a45a63c3a0c7..1b2cdc8eec90 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -538,6 +538,11 @@ int machine_check_e500(struct pt_regs *regs)
538 538
539 return 0; 539 return 0;
540} 540}
541
542int machine_check_generic(struct pt_regs *regs)
543{
544 return 0;
545}
541#elif defined(CONFIG_E200) 546#elif defined(CONFIG_E200)
542int machine_check_e200(struct pt_regs *regs) 547int machine_check_e200(struct pt_regs *regs)
543{ 548{
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 13002fe206e7..fd8728729abc 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -159,7 +159,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
159{ 159{
160 int i; 160 int i;
161 161
162 if (!vma || test_thread_flag(TIF_32BIT)) { 162 if (!vma || is_32bit_task()) {
163 printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase); 163 printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase);
164 for (i=0; i<vdso32_pages; i++) { 164 for (i=0; i<vdso32_pages; i++) {
165 struct page *pg = virt_to_page(vdso32_kbase + 165 struct page *pg = virt_to_page(vdso32_kbase +
@@ -170,7 +170,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
170 dump_one_vdso_page(pg, upg); 170 dump_one_vdso_page(pg, upg);
171 } 171 }
172 } 172 }
173 if (!vma || !test_thread_flag(TIF_32BIT)) { 173 if (!vma || !is_32bit_task()) {
174 printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase); 174 printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase);
175 for (i=0; i<vdso64_pages; i++) { 175 for (i=0; i<vdso64_pages; i++) {
176 struct page *pg = virt_to_page(vdso64_kbase + 176 struct page *pg = virt_to_page(vdso64_kbase +
@@ -200,7 +200,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
200 return 0; 200 return 0;
201 201
202#ifdef CONFIG_PPC64 202#ifdef CONFIG_PPC64
203 if (test_thread_flag(TIF_32BIT)) { 203 if (is_32bit_task()) {
204 vdso_pagelist = vdso32_pagelist; 204 vdso_pagelist = vdso32_pagelist;
205 vdso_pages = vdso32_pages; 205 vdso_pages = vdso32_pages;
206 vdso_base = VDSO32_MBASE; 206 vdso_base = VDSO32_MBASE;
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 51ead52141bd..9a7946c41738 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -14,10 +14,10 @@ obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
14 14
15GCOV_PROFILE := n 15GCOV_PROFILE := n
16 16
17EXTRA_CFLAGS := -shared -fno-common -fno-builtin 17ccflags-y := -shared -fno-common -fno-builtin
18EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \ 18ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
19 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) 19 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
20EXTRA_AFLAGS := -D__VDSO32__ -s 20asflags-y := -D__VDSO32__ -s
21 21
22obj-y += vdso32_wrapper.o 22obj-y += vdso32_wrapper.o
23extra-y += vdso32.lds 23extra-y += vdso32.lds
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 79da65d44a2a..8c500d8622e4 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -9,10 +9,10 @@ obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
9 9
10GCOV_PROFILE := n 10GCOV_PROFILE := n
11 11
12EXTRA_CFLAGS := -shared -fno-common -fno-builtin 12ccflags-y := -shared -fno-common -fno-builtin
13EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \ 13ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
14 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) 14 $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
15EXTRA_AFLAGS := -D__VDSO64__ -s 15asflags-y := -D__VDSO64__ -s
16 16
17obj-y += vdso64_wrapper.o 17obj-y += vdso64_wrapper.o
18extra-y += vdso64.lds 18extra-y += vdso64.lds
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index fa3469ddaef8..d692989a4318 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1184,7 +1184,12 @@ EXPORT_SYMBOL(vio_unregister_driver);
1184/* vio_dev refcount hit 0 */ 1184/* vio_dev refcount hit 0 */
1185static void __devinit vio_dev_release(struct device *dev) 1185static void __devinit vio_dev_release(struct device *dev)
1186{ 1186{
1187 /* XXX should free TCE table */ 1187 struct iommu_table *tbl = get_iommu_table_base(dev);
1188
1189 /* iSeries uses a common table for all vio devices */
1190 if (!firmware_has_feature(FW_FEATURE_ISERIES) && tbl)
1191 iommu_free_table(tbl, dev->of_node ?
1192 dev->of_node->full_name : dev_name(dev));
1188 of_node_put(dev->of_node); 1193 of_node_put(dev->of_node);
1189 kfree(to_vio_dev(dev)); 1194 kfree(to_vio_dev(dev));
1190} 1195}
@@ -1254,8 +1259,7 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
1254 if (device_register(&viodev->dev)) { 1259 if (device_register(&viodev->dev)) {
1255 printk(KERN_ERR "%s: failed to register device %s\n", 1260 printk(KERN_ERR "%s: failed to register device %s\n",
1256 __func__, dev_name(&viodev->dev)); 1261 __func__, dev_name(&viodev->dev));
1257 /* XXX free TCE table */ 1262 put_device(&viodev->dev);
1258 kfree(viodev);
1259 return NULL; 1263 return NULL;
1260 } 1264 }
1261 1265
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index d45c818a384c..4d6863823f69 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -4,7 +4,7 @@
4 4
5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
6 6
7EXTRA_CFLAGS += -Ivirt/kvm -Iarch/powerpc/kvm 7ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm
8 8
9common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) 9common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)
10 10
diff --git a/arch/powerpc/kvm/book3s_paired_singles.c b/arch/powerpc/kvm/book3s_paired_singles.c
index 474f2e24050a..35a701f3ece4 100644
--- a/arch/powerpc/kvm/book3s_paired_singles.c
+++ b/arch/powerpc/kvm/book3s_paired_singles.c
@@ -159,7 +159,7 @@
159 159
160static inline void kvmppc_sync_qpr(struct kvm_vcpu *vcpu, int rt) 160static inline void kvmppc_sync_qpr(struct kvm_vcpu *vcpu, int rt)
161{ 161{
162 kvm_cvt_df(&vcpu->arch.fpr[rt], &vcpu->arch.qpr[rt], &vcpu->arch.fpscr); 162 kvm_cvt_df(&vcpu->arch.fpr[rt], &vcpu->arch.qpr[rt]);
163} 163}
164 164
165static void kvmppc_inject_pf(struct kvm_vcpu *vcpu, ulong eaddr, bool is_store) 165static void kvmppc_inject_pf(struct kvm_vcpu *vcpu, ulong eaddr, bool is_store)
@@ -204,7 +204,7 @@ static int kvmppc_emulate_fpr_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
204 /* put in registers */ 204 /* put in registers */
205 switch (ls_type) { 205 switch (ls_type) {
206 case FPU_LS_SINGLE: 206 case FPU_LS_SINGLE:
207 kvm_cvt_fd((u32*)tmp, &vcpu->arch.fpr[rs], &vcpu->arch.fpscr); 207 kvm_cvt_fd((u32*)tmp, &vcpu->arch.fpr[rs]);
208 vcpu->arch.qpr[rs] = *((u32*)tmp); 208 vcpu->arch.qpr[rs] = *((u32*)tmp);
209 break; 209 break;
210 case FPU_LS_DOUBLE: 210 case FPU_LS_DOUBLE:
@@ -230,7 +230,7 @@ static int kvmppc_emulate_fpr_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
230 230
231 switch (ls_type) { 231 switch (ls_type) {
232 case FPU_LS_SINGLE: 232 case FPU_LS_SINGLE:
233 kvm_cvt_df(&vcpu->arch.fpr[rs], (u32*)tmp, &vcpu->arch.fpscr); 233 kvm_cvt_df(&vcpu->arch.fpr[rs], (u32*)tmp);
234 val = *((u32*)tmp); 234 val = *((u32*)tmp);
235 len = sizeof(u32); 235 len = sizeof(u32);
236 break; 236 break;
@@ -296,7 +296,7 @@ static int kvmppc_emulate_psq_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
296 emulated = EMULATE_DONE; 296 emulated = EMULATE_DONE;
297 297
298 /* put in registers */ 298 /* put in registers */
299 kvm_cvt_fd(&tmp[0], &vcpu->arch.fpr[rs], &vcpu->arch.fpscr); 299 kvm_cvt_fd(&tmp[0], &vcpu->arch.fpr[rs]);
300 vcpu->arch.qpr[rs] = tmp[1]; 300 vcpu->arch.qpr[rs] = tmp[1];
301 301
302 dprintk(KERN_INFO "KVM: PSQ_LD [0x%x, 0x%x] at 0x%lx (%d)\n", tmp[0], 302 dprintk(KERN_INFO "KVM: PSQ_LD [0x%x, 0x%x] at 0x%lx (%d)\n", tmp[0],
@@ -314,7 +314,7 @@ static int kvmppc_emulate_psq_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
314 u32 tmp[2]; 314 u32 tmp[2];
315 int len = w ? sizeof(u32) : sizeof(u64); 315 int len = w ? sizeof(u32) : sizeof(u64);
316 316
317 kvm_cvt_df(&vcpu->arch.fpr[rs], &tmp[0], &vcpu->arch.fpscr); 317 kvm_cvt_df(&vcpu->arch.fpr[rs], &tmp[0]);
318 tmp[1] = vcpu->arch.qpr[rs]; 318 tmp[1] = vcpu->arch.qpr[rs];
319 319
320 r = kvmppc_st(vcpu, &addr, len, tmp, true); 320 r = kvmppc_st(vcpu, &addr, len, tmp, true);
@@ -516,9 +516,9 @@ static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
516 WARN_ON(rc); 516 WARN_ON(rc);
517 517
518 /* PS0 */ 518 /* PS0 */
519 kvm_cvt_df(&fpr[reg_in1], &ps0_in1, &vcpu->arch.fpscr); 519 kvm_cvt_df(&fpr[reg_in1], &ps0_in1);
520 kvm_cvt_df(&fpr[reg_in2], &ps0_in2, &vcpu->arch.fpscr); 520 kvm_cvt_df(&fpr[reg_in2], &ps0_in2);
521 kvm_cvt_df(&fpr[reg_in3], &ps0_in3, &vcpu->arch.fpscr); 521 kvm_cvt_df(&fpr[reg_in3], &ps0_in3);
522 522
523 if (scalar & SCALAR_LOW) 523 if (scalar & SCALAR_LOW)
524 ps0_in2 = qpr[reg_in2]; 524 ps0_in2 = qpr[reg_in2];
@@ -529,7 +529,7 @@ static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
529 ps0_in1, ps0_in2, ps0_in3, ps0_out); 529 ps0_in1, ps0_in2, ps0_in3, ps0_out);
530 530
531 if (!(scalar & SCALAR_NO_PS0)) 531 if (!(scalar & SCALAR_NO_PS0))
532 kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr); 532 kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
533 533
534 /* PS1 */ 534 /* PS1 */
535 ps1_in1 = qpr[reg_in1]; 535 ps1_in1 = qpr[reg_in1];
@@ -566,12 +566,12 @@ static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc,
566 WARN_ON(rc); 566 WARN_ON(rc);
567 567
568 /* PS0 */ 568 /* PS0 */
569 kvm_cvt_df(&fpr[reg_in1], &ps0_in1, &vcpu->arch.fpscr); 569 kvm_cvt_df(&fpr[reg_in1], &ps0_in1);
570 570
571 if (scalar & SCALAR_LOW) 571 if (scalar & SCALAR_LOW)
572 ps0_in2 = qpr[reg_in2]; 572 ps0_in2 = qpr[reg_in2];
573 else 573 else
574 kvm_cvt_df(&fpr[reg_in2], &ps0_in2, &vcpu->arch.fpscr); 574 kvm_cvt_df(&fpr[reg_in2], &ps0_in2);
575 575
576 func(&vcpu->arch.fpscr, &ps0_out, &ps0_in1, &ps0_in2); 576 func(&vcpu->arch.fpscr, &ps0_out, &ps0_in1, &ps0_in2);
577 577
@@ -579,7 +579,7 @@ static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc,
579 dprintk(KERN_INFO "PS2 ps0 -> f(0x%x, 0x%x) = 0x%x\n", 579 dprintk(KERN_INFO "PS2 ps0 -> f(0x%x, 0x%x) = 0x%x\n",
580 ps0_in1, ps0_in2, ps0_out); 580 ps0_in1, ps0_in2, ps0_out);
581 581
582 kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr); 582 kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
583 } 583 }
584 584
585 /* PS1 */ 585 /* PS1 */
@@ -615,13 +615,13 @@ static int kvmppc_ps_one_in(struct kvm_vcpu *vcpu, bool rc,
615 WARN_ON(rc); 615 WARN_ON(rc);
616 616
617 /* PS0 */ 617 /* PS0 */
618 kvm_cvt_df(&fpr[reg_in], &ps0_in, &vcpu->arch.fpscr); 618 kvm_cvt_df(&fpr[reg_in], &ps0_in);
619 func(&vcpu->arch.fpscr, &ps0_out, &ps0_in); 619 func(&vcpu->arch.fpscr, &ps0_out, &ps0_in);
620 620
621 dprintk(KERN_INFO "PS1 ps0 -> f(0x%x) = 0x%x\n", 621 dprintk(KERN_INFO "PS1 ps0 -> f(0x%x) = 0x%x\n",
622 ps0_in, ps0_out); 622 ps0_in, ps0_out);
623 623
624 kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr); 624 kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
625 625
626 /* PS1 */ 626 /* PS1 */
627 ps1_in = qpr[reg_in]; 627 ps1_in = qpr[reg_in];
@@ -671,7 +671,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
671#ifdef DEBUG 671#ifdef DEBUG
672 for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) { 672 for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
673 u32 f; 673 u32 f;
674 kvm_cvt_df(&vcpu->arch.fpr[i], &f, &vcpu->arch.fpscr); 674 kvm_cvt_df(&vcpu->arch.fpr[i], &f);
675 dprintk(KERN_INFO "FPR[%d] = 0x%x / 0x%llx QPR[%d] = 0x%x\n", 675 dprintk(KERN_INFO "FPR[%d] = 0x%x / 0x%llx QPR[%d] = 0x%x\n",
676 i, f, vcpu->arch.fpr[i], i, vcpu->arch.qpr[i]); 676 i, f, vcpu->arch.fpr[i], i, vcpu->arch.qpr[i]);
677 } 677 }
@@ -796,8 +796,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
796 vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra]; 796 vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra];
797 /* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */ 797 /* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
798 kvm_cvt_df(&vcpu->arch.fpr[ax_rb], 798 kvm_cvt_df(&vcpu->arch.fpr[ax_rb],
799 &vcpu->arch.qpr[ax_rd], 799 &vcpu->arch.qpr[ax_rd]);
800 &vcpu->arch.fpscr);
801 break; 800 break;
802 case OP_4X_PS_MERGE01: 801 case OP_4X_PS_MERGE01:
803 WARN_ON(rcomp); 802 WARN_ON(rcomp);
@@ -808,19 +807,16 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
808 WARN_ON(rcomp); 807 WARN_ON(rcomp);
809 /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */ 808 /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
810 kvm_cvt_fd(&vcpu->arch.qpr[ax_ra], 809 kvm_cvt_fd(&vcpu->arch.qpr[ax_ra],
811 &vcpu->arch.fpr[ax_rd], 810 &vcpu->arch.fpr[ax_rd]);
812 &vcpu->arch.fpscr);
813 /* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */ 811 /* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
814 kvm_cvt_df(&vcpu->arch.fpr[ax_rb], 812 kvm_cvt_df(&vcpu->arch.fpr[ax_rb],
815 &vcpu->arch.qpr[ax_rd], 813 &vcpu->arch.qpr[ax_rd]);
816 &vcpu->arch.fpscr);
817 break; 814 break;
818 case OP_4X_PS_MERGE11: 815 case OP_4X_PS_MERGE11:
819 WARN_ON(rcomp); 816 WARN_ON(rcomp);
820 /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */ 817 /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
821 kvm_cvt_fd(&vcpu->arch.qpr[ax_ra], 818 kvm_cvt_fd(&vcpu->arch.qpr[ax_ra],
822 &vcpu->arch.fpr[ax_rd], 819 &vcpu->arch.fpr[ax_rd]);
823 &vcpu->arch.fpscr);
824 vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb]; 820 vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
825 break; 821 break;
826 } 822 }
@@ -1255,7 +1251,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
1255#ifdef DEBUG 1251#ifdef DEBUG
1256 for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) { 1252 for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
1257 u32 f; 1253 u32 f;
1258 kvm_cvt_df(&vcpu->arch.fpr[i], &f, &vcpu->arch.fpscr); 1254 kvm_cvt_df(&vcpu->arch.fpr[i], &f);
1259 dprintk(KERN_INFO "FPR[%d] = 0x%x\n", i, f); 1255 dprintk(KERN_INFO "FPR[%d] = 0x%x\n", i, f);
1260 } 1256 }
1261#endif 1257#endif
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 4568ec386c2a..b83ba581fd8e 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -145,7 +145,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
145 /* this default type might be overwritten by subcategories */ 145 /* this default type might be overwritten by subcategories */
146 kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); 146 kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS);
147 147
148 pr_debug(KERN_INFO "Emulating opcode %d / %d\n", get_op(inst), get_xop(inst)); 148 pr_debug("Emulating opcode %d / %d\n", get_op(inst), get_xop(inst));
149 149
150 switch (get_op(inst)) { 150 switch (get_op(inst)) {
151 case OP_TRAP: 151 case OP_TRAP:
@@ -275,7 +275,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
275 { 275 {
276 u64 jd = get_tb() - vcpu->arch.dec_jiffies; 276 u64 jd = get_tb() - vcpu->arch.dec_jiffies;
277 kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd); 277 kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd);
278 pr_debug(KERN_INFO "mfDEC: %x - %llx = %lx\n", 278 pr_debug("mfDEC: %x - %llx = %lx\n",
279 vcpu->arch.dec, jd, 279 vcpu->arch.dec, jd,
280 kvmppc_get_gpr(vcpu, rt)); 280 kvmppc_get_gpr(vcpu, rt));
281 break; 281 break;
diff --git a/arch/powerpc/kvm/fpu.S b/arch/powerpc/kvm/fpu.S
index cb34bbe16113..bf68d597549e 100644
--- a/arch/powerpc/kvm/fpu.S
+++ b/arch/powerpc/kvm/fpu.S
@@ -273,19 +273,11 @@ FPD_THREE_IN(fnmsub)
273FPD_THREE_IN(fnmadd) 273FPD_THREE_IN(fnmadd)
274 274
275_GLOBAL(kvm_cvt_fd) 275_GLOBAL(kvm_cvt_fd)
276 lfd 0,0(r5) /* load up fpscr value */
277 MTFSF_L(0)
278 lfs 0,0(r3) 276 lfs 0,0(r3)
279 stfd 0,0(r4) 277 stfd 0,0(r4)
280 mffs 0
281 stfd 0,0(r5) /* save new fpscr value */
282 blr 278 blr
283 279
284_GLOBAL(kvm_cvt_df) 280_GLOBAL(kvm_cvt_df)
285 lfd 0,0(r5) /* load up fpscr value */
286 MTFSF_L(0)
287 lfd 0,0(r3) 281 lfd 0,0(r3)
288 stfs 0,0(r4) 282 stfs 0,0(r4)
289 mffs 0
290 stfd 0,0(r5) /* save new fpscr value */
291 blr 283 blr
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 5bb89c828070..889f2bc106dd 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -4,9 +4,7 @@
4 4
5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
6 6
7ifeq ($(CONFIG_PPC64),y) 7ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
8EXTRA_CFLAGS += -mno-minimal-toc
9endif
10 8
11CFLAGS_REMOVE_code-patching.o = -pg 9CFLAGS_REMOVE_code-patching.o = -pg
12CFLAGS_REMOVE_feature-fixups.o = -pg 10CFLAGS_REMOVE_feature-fixups.o = -pg
@@ -17,7 +15,8 @@ obj-$(CONFIG_PPC32) += div64.o copy_32.o
17obj-$(CONFIG_HAS_IOMEM) += devres.o 15obj-$(CONFIG_HAS_IOMEM) += devres.o
18 16
19obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \ 17obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \
20 memcpy_64.o usercopy_64.o mem_64.o string.o 18 memcpy_64.o usercopy_64.o mem_64.o string.o \
19 checksum_wrappers_64.o
21obj-$(CONFIG_XMON) += sstep.o ldstfp.o 20obj-$(CONFIG_XMON) += sstep.o ldstfp.o
22obj-$(CONFIG_KPROBES) += sstep.o ldstfp.o 21obj-$(CONFIG_KPROBES) += sstep.o ldstfp.o
23obj-$(CONFIG_HAVE_HW_BREAKPOINT) += sstep.o ldstfp.o 22obj-$(CONFIG_HAVE_HW_BREAKPOINT) += sstep.o ldstfp.o
diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S
index ef96c6c58efc..18245af38aea 100644
--- a/arch/powerpc/lib/checksum_64.S
+++ b/arch/powerpc/lib/checksum_64.S
@@ -65,165 +65,393 @@ _GLOBAL(csum_tcpudp_magic)
65 srwi r3,r3,16 65 srwi r3,r3,16
66 blr 66 blr
67 67
68#define STACKFRAMESIZE 256
69#define STK_REG(i) (112 + ((i)-14)*8)
70
68/* 71/*
69 * Computes the checksum of a memory block at buff, length len, 72 * Computes the checksum of a memory block at buff, length len,
70 * and adds in "sum" (32-bit). 73 * and adds in "sum" (32-bit).
71 * 74 *
72 * This code assumes at least halfword alignment, though the length
73 * can be any number of bytes. The sum is accumulated in r5.
74 *
75 * csum_partial(r3=buff, r4=len, r5=sum) 75 * csum_partial(r3=buff, r4=len, r5=sum)
76 */ 76 */
77_GLOBAL(csum_partial) 77_GLOBAL(csum_partial)
78 subi r3,r3,8 /* we'll offset by 8 for the loads */ 78 addic r0,r5,0 /* clear carry */
79 srdi. r6,r4,3 /* divide by 8 for doubleword count */ 79
80 addic r5,r5,0 /* clear carry */ 80 srdi. r6,r4,3 /* less than 8 bytes? */
81 beq 3f /* if we're doing < 8 bytes */ 81 beq .Lcsum_tail_word
82 andi. r0,r3,2 /* aligned on a word boundary already? */ 82
83 beq+ 1f 83 /*
84 lhz r6,8(r3) /* do 2 bytes to get aligned */ 84 * If only halfword aligned, align to a double word. Since odd
85 addi r3,r3,2 85 * aligned addresses should be rare and they would require more
86 subi r4,r4,2 86 * work to calculate the correct checksum, we ignore that case
87 addc r5,r5,r6 87 * and take the potential slowdown of unaligned loads.
88 srdi. r6,r4,3 /* recompute number of doublewords */ 88 */
89 beq 3f /* any left? */ 89 rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */
901: mtctr r6 90 beq .Lcsum_aligned
912: ldu r6,8(r3) /* main sum loop */ 91
92 adde r5,r5,r6 92 li r7,4
93 bdnz 2b 93 sub r6,r7,r6
94 andi. r4,r4,7 /* compute bytes left to sum after doublewords */ 94 mtctr r6
953: cmpwi 0,r4,4 /* is at least a full word left? */ 95
96 blt 4f 961:
97 lwz r6,8(r3) /* sum this word */ 97 lhz r6,0(r3) /* align to doubleword */
98 subi r4,r4,2
99 addi r3,r3,2
100 adde r0,r0,r6
101 bdnz 1b
102
103.Lcsum_aligned:
104 /*
105 * We unroll the loop such that each iteration is 64 bytes with an
106 * entry and exit limb of 64 bytes, meaning a minimum size of
107 * 128 bytes.
108 */
109 srdi. r6,r4,7
110 beq .Lcsum_tail_doublewords /* len < 128 */
111
112 srdi r6,r4,6
113 subi r6,r6,1
114 mtctr r6
115
116 stdu r1,-STACKFRAMESIZE(r1)
117 std r14,STK_REG(r14)(r1)
118 std r15,STK_REG(r15)(r1)
119 std r16,STK_REG(r16)(r1)
120
121 ld r6,0(r3)
122 ld r9,8(r3)
123
124 ld r10,16(r3)
125 ld r11,24(r3)
126
127 /*
128 * On POWER6 and POWER7 back to back addes take 2 cycles because of
129 * the XER dependency. This means the fastest this loop can go is
130 * 16 cycles per iteration. The scheduling of the loop below has
131 * been shown to hit this on both POWER6 and POWER7.
132 */
133 .align 5
1342:
135 adde r0,r0,r6
136 ld r12,32(r3)
137 ld r14,40(r3)
138
139 adde r0,r0,r9
140 ld r15,48(r3)
141 ld r16,56(r3)
142 addi r3,r3,64
143
144 adde r0,r0,r10
145
146 adde r0,r0,r11
147
148 adde r0,r0,r12
149
150 adde r0,r0,r14
151
152 adde r0,r0,r15
153 ld r6,0(r3)
154 ld r9,8(r3)
155
156 adde r0,r0,r16
157 ld r10,16(r3)
158 ld r11,24(r3)
159 bdnz 2b
160
161
162 adde r0,r0,r6
163 ld r12,32(r3)
164 ld r14,40(r3)
165
166 adde r0,r0,r9
167 ld r15,48(r3)
168 ld r16,56(r3)
169 addi r3,r3,64
170
171 adde r0,r0,r10
172 adde r0,r0,r11
173 adde r0,r0,r12
174 adde r0,r0,r14
175 adde r0,r0,r15
176 adde r0,r0,r16
177
178 ld r14,STK_REG(r14)(r1)
179 ld r15,STK_REG(r15)(r1)
180 ld r16,STK_REG(r16)(r1)
181 addi r1,r1,STACKFRAMESIZE
182
183 andi. r4,r4,63
184
185.Lcsum_tail_doublewords: /* Up to 127 bytes to go */
186 srdi. r6,r4,3
187 beq .Lcsum_tail_word
188
189 mtctr r6
1903:
191 ld r6,0(r3)
192 addi r3,r3,8
193 adde r0,r0,r6
194 bdnz 3b
195
196 andi. r4,r4,7
197
198.Lcsum_tail_word: /* Up to 7 bytes to go */
199 srdi. r6,r4,2
200 beq .Lcsum_tail_halfword
201
202 lwz r6,0(r3)
98 addi r3,r3,4 203 addi r3,r3,4
204 adde r0,r0,r6
99 subi r4,r4,4 205 subi r4,r4,4
100 adde r5,r5,r6 206
1014: cmpwi 0,r4,2 /* is at least a halfword left? */ 207.Lcsum_tail_halfword: /* Up to 3 bytes to go */
102 blt+ 5f 208 srdi. r6,r4,1
103 lhz r6,8(r3) /* sum this halfword */ 209 beq .Lcsum_tail_byte
104 addi r3,r3,2 210
105 subi r4,r4,2 211 lhz r6,0(r3)
106 adde r5,r5,r6 212 addi r3,r3,2
1075: cmpwi 0,r4,1 /* is at least a byte left? */ 213 adde r0,r0,r6
108 bne+ 6f 214 subi r4,r4,2
109 lbz r6,8(r3) /* sum this byte */ 215
110 slwi r6,r6,8 /* this byte is assumed to be the upper byte of a halfword */ 216.Lcsum_tail_byte: /* Up to 1 byte to go */
111 adde r5,r5,r6 217 andi. r6,r4,1
1126: addze r5,r5 /* add in final carry */ 218 beq .Lcsum_finish
113 rldicl r4,r5,32,0 /* fold two 32-bit halves together */ 219
114 add r3,r4,r5 220 lbz r6,0(r3)
115 srdi r3,r3,32 221 sldi r9,r6,8 /* Pad the byte out to 16 bits */
116 blr 222 adde r0,r0,r9
223
224.Lcsum_finish:
225 addze r0,r0 /* add in final carry */
226 rldicl r4,r0,32,0 /* fold two 32 bit halves together */
227 add r3,r4,r0
228 srdi r3,r3,32
229 blr
230
231
232 .macro source
233100:
234 .section __ex_table,"a"
235 .align 3
236 .llong 100b,.Lsrc_error
237 .previous
238 .endm
239
240 .macro dest
241200:
242 .section __ex_table,"a"
243 .align 3
244 .llong 200b,.Ldest_error
245 .previous
246 .endm
117 247
118/* 248/*
119 * Computes the checksum of a memory block at src, length len, 249 * Computes the checksum of a memory block at src, length len,
120 * and adds in "sum" (32-bit), while copying the block to dst. 250 * and adds in "sum" (32-bit), while copying the block to dst.
121 * If an access exception occurs on src or dst, it stores -EFAULT 251 * If an access exception occurs on src or dst, it stores -EFAULT
122 * to *src_err or *dst_err respectively, and (for an error on 252 * to *src_err or *dst_err respectively. The caller must take any action
123 * src) zeroes the rest of dst. 253 * required in this case (zeroing memory, recalculating partial checksum etc).
124 *
125 * This code needs to be reworked to take advantage of 64 bit sum+copy.
126 * However, due to tokenring halfword alignment problems this will be very
127 * tricky. For now we'll leave it until we instrument it somehow.
128 * 254 *
129 * csum_partial_copy_generic(r3=src, r4=dst, r5=len, r6=sum, r7=src_err, r8=dst_err) 255 * csum_partial_copy_generic(r3=src, r4=dst, r5=len, r6=sum, r7=src_err, r8=dst_err)
130 */ 256 */
131_GLOBAL(csum_partial_copy_generic) 257_GLOBAL(csum_partial_copy_generic)
132 addic r0,r6,0 258 addic r0,r6,0 /* clear carry */
133 subi r3,r3,4 259
134 subi r4,r4,4 260 srdi. r6,r5,3 /* less than 8 bytes? */
135 srwi. r6,r5,2 261 beq .Lcopy_tail_word
136 beq 3f /* if we're doing < 4 bytes */ 262
137 andi. r9,r4,2 /* Align dst to longword boundary */ 263 /*
138 beq+ 1f 264 * If only halfword aligned, align to a double word. Since odd
13981: lhz r6,4(r3) /* do 2 bytes to get aligned */ 265 * aligned addresses should be rare and they would require more
140 addi r3,r3,2 266 * work to calculate the correct checksum, we ignore that case
267 * and take the potential slowdown of unaligned loads.
268 *
269 * If the source and destination are relatively unaligned we only
270 * align the source. This keeps things simple.
271 */
272 rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */
273 beq .Lcopy_aligned
274
275 li r7,4
276 sub r6,r7,r6
277 mtctr r6
278
2791:
280source; lhz r6,0(r3) /* align to doubleword */
141 subi r5,r5,2 281 subi r5,r5,2
14291: sth r6,4(r4)
143 addi r4,r4,2
144 addc r0,r0,r6
145 srwi. r6,r5,2 /* # words to do */
146 beq 3f
1471: mtctr r6
14882: lwzu r6,4(r3) /* the bdnz has zero overhead, so it should */
14992: stwu r6,4(r4) /* be unnecessary to unroll this loop */
150 adde r0,r0,r6
151 bdnz 82b
152 andi. r5,r5,3
1533: cmpwi 0,r5,2
154 blt+ 4f
15583: lhz r6,4(r3)
156 addi r3,r3,2 282 addi r3,r3,2
157 subi r5,r5,2 283 adde r0,r0,r6
15893: sth r6,4(r4) 284dest; sth r6,0(r4)
159 addi r4,r4,2 285 addi r4,r4,2
286 bdnz 1b
287
288.Lcopy_aligned:
289 /*
290 * We unroll the loop such that each iteration is 64 bytes with an
291 * entry and exit limb of 64 bytes, meaning a minimum size of
292 * 128 bytes.
293 */
294 srdi. r6,r5,7
295 beq .Lcopy_tail_doublewords /* len < 128 */
296
297 srdi r6,r5,6
298 subi r6,r6,1
299 mtctr r6
300
301 stdu r1,-STACKFRAMESIZE(r1)
302 std r14,STK_REG(r14)(r1)
303 std r15,STK_REG(r15)(r1)
304 std r16,STK_REG(r16)(r1)
305
306source; ld r6,0(r3)
307source; ld r9,8(r3)
308
309source; ld r10,16(r3)
310source; ld r11,24(r3)
311
312 /*
313 * On POWER6 and POWER7 back to back addes take 2 cycles because of
314 * the XER dependency. This means the fastest this loop can go is
315 * 16 cycles per iteration. The scheduling of the loop below has
316 * been shown to hit this on both POWER6 and POWER7.
317 */
318 .align 5
3192:
160 adde r0,r0,r6 320 adde r0,r0,r6
1614: cmpwi 0,r5,1 321source; ld r12,32(r3)
162 bne+ 5f 322source; ld r14,40(r3)
16384: lbz r6,4(r3) 323
16494: stb r6,4(r4) 324 adde r0,r0,r9
165 slwi r6,r6,8 /* Upper byte of word */ 325source; ld r15,48(r3)
326source; ld r16,56(r3)
327 addi r3,r3,64
328
329 adde r0,r0,r10
330dest; std r6,0(r4)
331dest; std r9,8(r4)
332
333 adde r0,r0,r11
334dest; std r10,16(r4)
335dest; std r11,24(r4)
336
337 adde r0,r0,r12
338dest; std r12,32(r4)
339dest; std r14,40(r4)
340
341 adde r0,r0,r14
342dest; std r15,48(r4)
343dest; std r16,56(r4)
344 addi r4,r4,64
345
346 adde r0,r0,r15
347source; ld r6,0(r3)
348source; ld r9,8(r3)
349
350 adde r0,r0,r16
351source; ld r10,16(r3)
352source; ld r11,24(r3)
353 bdnz 2b
354
355
166 adde r0,r0,r6 356 adde r0,r0,r6
1675: addze r3,r0 /* add in final carry (unlikely with 64-bit regs) */ 357source; ld r12,32(r3)
168 rldicl r4,r3,32,0 /* fold 64 bit value */ 358source; ld r14,40(r3)
169 add r3,r4,r3
170 srdi r3,r3,32
171 blr
172 359
173/* These shouldn't go in the fixup section, since that would 360 adde r0,r0,r9
174 cause the ex_table addresses to get out of order. */ 361source; ld r15,48(r3)
362source; ld r16,56(r3)
363 addi r3,r3,64
364
365 adde r0,r0,r10
366dest; std r6,0(r4)
367dest; std r9,8(r4)
368
369 adde r0,r0,r11
370dest; std r10,16(r4)
371dest; std r11,24(r4)
372
373 adde r0,r0,r12
374dest; std r12,32(r4)
375dest; std r14,40(r4)
376
377 adde r0,r0,r14
378dest; std r15,48(r4)
379dest; std r16,56(r4)
380 addi r4,r4,64
381
382 adde r0,r0,r15
383 adde r0,r0,r16
384
385 ld r14,STK_REG(r14)(r1)
386 ld r15,STK_REG(r15)(r1)
387 ld r16,STK_REG(r16)(r1)
388 addi r1,r1,STACKFRAMESIZE
389
390 andi. r5,r5,63
391
392.Lcopy_tail_doublewords: /* Up to 127 bytes to go */
393 srdi. r6,r5,3
394 beq .Lcopy_tail_word
175 395
176 .globl src_error_1
177src_error_1:
178 li r6,0
179 subi r5,r5,2
18095: sth r6,4(r4)
181 addi r4,r4,2
182 srwi. r6,r5,2
183 beq 3f
184 mtctr r6 396 mtctr r6
185 .globl src_error_2 3973:
186src_error_2: 398source; ld r6,0(r3)
187 li r6,0 399 addi r3,r3,8
18896: stwu r6,4(r4) 400 adde r0,r0,r6
189 bdnz 96b 401dest; std r6,0(r4)
1903: andi. r5,r5,3 402 addi r4,r4,8
191 beq src_error 403 bdnz 3b
192 .globl src_error_3 404
193src_error_3: 405 andi. r5,r5,7
194 li r6,0 406
195 mtctr r5 407.Lcopy_tail_word: /* Up to 7 bytes to go */
196 addi r4,r4,3 408 srdi. r6,r5,2
19797: stbu r6,1(r4) 409 beq .Lcopy_tail_halfword
198 bdnz 97b 410
199 .globl src_error 411source; lwz r6,0(r3)
200src_error: 412 addi r3,r3,4
413 adde r0,r0,r6
414dest; stw r6,0(r4)
415 addi r4,r4,4
416 subi r5,r5,4
417
418.Lcopy_tail_halfword: /* Up to 3 bytes to go */
419 srdi. r6,r5,1
420 beq .Lcopy_tail_byte
421
422source; lhz r6,0(r3)
423 addi r3,r3,2
424 adde r0,r0,r6
425dest; sth r6,0(r4)
426 addi r4,r4,2
427 subi r5,r5,2
428
429.Lcopy_tail_byte: /* Up to 1 byte to go */
430 andi. r6,r5,1
431 beq .Lcopy_finish
432
433source; lbz r6,0(r3)
434 sldi r9,r6,8 /* Pad the byte out to 16 bits */
435 adde r0,r0,r9
436dest; stb r6,0(r4)
437
438.Lcopy_finish:
439 addze r0,r0 /* add in final carry */
440 rldicl r4,r0,32,0 /* fold two 32 bit halves together */
441 add r3,r4,r0
442 srdi r3,r3,32
443 blr
444
445.Lsrc_error:
201 cmpdi 0,r7,0 446 cmpdi 0,r7,0
202 beq 1f 447 beqlr
203 li r6,-EFAULT 448 li r6,-EFAULT
204 stw r6,0(r7) 449 stw r6,0(r7)
2051: addze r3,r0
206 blr 450 blr
207 451
208 .globl dst_error 452.Ldest_error:
209dst_error:
210 cmpdi 0,r8,0 453 cmpdi 0,r8,0
211 beq 1f 454 beqlr
212 li r6,-EFAULT 455 li r6,-EFAULT
213 stw r6,0(r8) 456 stw r6,0(r8)
2141: addze r3,r0
215 blr 457 blr
216
217.section __ex_table,"a"
218 .align 3
219 .llong 81b,src_error_1
220 .llong 91b,dst_error
221 .llong 82b,src_error_2
222 .llong 92b,dst_error
223 .llong 83b,src_error_3
224 .llong 93b,dst_error
225 .llong 84b,src_error_3
226 .llong 94b,dst_error
227 .llong 95b,dst_error
228 .llong 96b,dst_error
229 .llong 97b,dst_error
diff --git a/arch/powerpc/lib/checksum_wrappers_64.c b/arch/powerpc/lib/checksum_wrappers_64.c
new file mode 100644
index 000000000000..769b817fbb32
--- /dev/null
+++ b/arch/powerpc/lib/checksum_wrappers_64.c
@@ -0,0 +1,102 @@
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 *
16 * Copyright (C) IBM Corporation, 2010
17 *
18 * Author: Anton Blanchard <anton@au.ibm.com>
19 */
20#include <linux/module.h>
21#include <linux/compiler.h>
22#include <linux/types.h>
23#include <asm/checksum.h>
24#include <asm/uaccess.h>
25
26__wsum csum_and_copy_from_user(const void __user *src, void *dst,
27 int len, __wsum sum, int *err_ptr)
28{
29 unsigned int csum;
30
31 might_sleep();
32
33 *err_ptr = 0;
34
35 if (!len) {
36 csum = 0;
37 goto out;
38 }
39
40 if (unlikely((len < 0) || !access_ok(VERIFY_READ, src, len))) {
41 *err_ptr = -EFAULT;
42 csum = (__force unsigned int)sum;
43 goto out;
44 }
45
46 csum = csum_partial_copy_generic((void __force *)src, dst,
47 len, sum, err_ptr, NULL);
48
49 if (unlikely(*err_ptr)) {
50 int missing = __copy_from_user(dst, src, len);
51
52 if (missing) {
53 memset(dst + len - missing, 0, missing);
54 *err_ptr = -EFAULT;
55 } else {
56 *err_ptr = 0;
57 }
58
59 csum = csum_partial(dst, len, sum);
60 }
61
62out:
63 return (__force __wsum)csum;
64}
65EXPORT_SYMBOL(csum_and_copy_from_user);
66
67__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
68 __wsum sum, int *err_ptr)
69{
70 unsigned int csum;
71
72 might_sleep();
73
74 *err_ptr = 0;
75
76 if (!len) {
77 csum = 0;
78 goto out;
79 }
80
81 if (unlikely((len < 0) || !access_ok(VERIFY_WRITE, dst, len))) {
82 *err_ptr = -EFAULT;
83 csum = -1; /* invalid checksum */
84 goto out;
85 }
86
87 csum = csum_partial_copy_generic(src, (void __force *)dst,
88 len, sum, NULL, err_ptr);
89
90 if (unlikely(*err_ptr)) {
91 csum = csum_partial(src, len, sum);
92
93 if (copy_to_user(dst, src, len)) {
94 *err_ptr = -EFAULT;
95 csum = -1; /* invalid checksum */
96 }
97 }
98
99out:
100 return (__force __wsum)csum;
101}
102EXPORT_SYMBOL(csum_and_copy_to_user);
diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S
index 74a7f4130b4c..55f19f9fd708 100644
--- a/arch/powerpc/lib/copy_32.S
+++ b/arch/powerpc/lib/copy_32.S
@@ -62,7 +62,7 @@
62 62
63 .text 63 .text
64 .stabs "arch/powerpc/lib/",N_SO,0,0,0f 64 .stabs "arch/powerpc/lib/",N_SO,0,0,0f
65 .stabs "copy32.S",N_SO,0,0,0f 65 .stabs "copy_32.S",N_SO,0,0,0f
660: 660:
67 67
68CACHELINE_BYTES = L1_CACHE_BYTES 68CACHELINE_BYTES = L1_CACHE_BYTES
diff --git a/arch/powerpc/lib/ldstfp.S b/arch/powerpc/lib/ldstfp.S
index f6448636baf5..6a85380520b6 100644
--- a/arch/powerpc/lib/ldstfp.S
+++ b/arch/powerpc/lib/ldstfp.S
@@ -17,6 +17,8 @@
17#include <asm/asm-offsets.h> 17#include <asm/asm-offsets.h>
18#include <linux/errno.h> 18#include <linux/errno.h>
19 19
20#ifdef CONFIG_PPC_FPU
21
20#define STKFRM (PPC_MIN_STKFRM + 16) 22#define STKFRM (PPC_MIN_STKFRM + 16)
21 23
22 .macro extab instr,handler 24 .macro extab instr,handler
@@ -81,7 +83,7 @@ _GLOBAL(do_lfs)
81 mfmsr r6 83 mfmsr r6
82 ori r7,r6,MSR_FP 84 ori r7,r6,MSR_FP
83 cmpwi cr7,r3,0 85 cmpwi cr7,r3,0
84 mtmsrd r7 86 MTMSRD(r7)
85 isync 87 isync
86 beq cr7,1f 88 beq cr7,1f
87 stfd fr0,STKFRM-16(r1) 89 stfd fr0,STKFRM-16(r1)
@@ -93,7 +95,7 @@ _GLOBAL(do_lfs)
93 lfd fr0,STKFRM-16(r1) 95 lfd fr0,STKFRM-16(r1)
944: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 964: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
95 mtlr r0 97 mtlr r0
96 mtmsrd r6 98 MTMSRD(r6)
97 isync 99 isync
98 mr r3,r9 100 mr r3,r9
99 addi r1,r1,STKFRM 101 addi r1,r1,STKFRM
@@ -108,7 +110,7 @@ _GLOBAL(do_lfd)
108 mfmsr r6 110 mfmsr r6
109 ori r7,r6,MSR_FP 111 ori r7,r6,MSR_FP
110 cmpwi cr7,r3,0 112 cmpwi cr7,r3,0
111 mtmsrd r7 113 MTMSRD(r7)
112 isync 114 isync
113 beq cr7,1f 115 beq cr7,1f
114 stfd fr0,STKFRM-16(r1) 116 stfd fr0,STKFRM-16(r1)
@@ -120,7 +122,7 @@ _GLOBAL(do_lfd)
120 lfd fr0,STKFRM-16(r1) 122 lfd fr0,STKFRM-16(r1)
1214: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 1234: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
122 mtlr r0 124 mtlr r0
123 mtmsrd r6 125 MTMSRD(r6)
124 isync 126 isync
125 mr r3,r9 127 mr r3,r9
126 addi r1,r1,STKFRM 128 addi r1,r1,STKFRM
@@ -135,7 +137,7 @@ _GLOBAL(do_stfs)
135 mfmsr r6 137 mfmsr r6
136 ori r7,r6,MSR_FP 138 ori r7,r6,MSR_FP
137 cmpwi cr7,r3,0 139 cmpwi cr7,r3,0
138 mtmsrd r7 140 MTMSRD(r7)
139 isync 141 isync
140 beq cr7,1f 142 beq cr7,1f
141 stfd fr0,STKFRM-16(r1) 143 stfd fr0,STKFRM-16(r1)
@@ -147,7 +149,7 @@ _GLOBAL(do_stfs)
147 lfd fr0,STKFRM-16(r1) 149 lfd fr0,STKFRM-16(r1)
1484: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 1504: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
149 mtlr r0 151 mtlr r0
150 mtmsrd r6 152 MTMSRD(r6)
151 isync 153 isync
152 mr r3,r9 154 mr r3,r9
153 addi r1,r1,STKFRM 155 addi r1,r1,STKFRM
@@ -162,7 +164,7 @@ _GLOBAL(do_stfd)
162 mfmsr r6 164 mfmsr r6
163 ori r7,r6,MSR_FP 165 ori r7,r6,MSR_FP
164 cmpwi cr7,r3,0 166 cmpwi cr7,r3,0
165 mtmsrd r7 167 MTMSRD(r7)
166 isync 168 isync
167 beq cr7,1f 169 beq cr7,1f
168 stfd fr0,STKFRM-16(r1) 170 stfd fr0,STKFRM-16(r1)
@@ -174,7 +176,7 @@ _GLOBAL(do_stfd)
174 lfd fr0,STKFRM-16(r1) 176 lfd fr0,STKFRM-16(r1)
1754: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 1774: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
176 mtlr r0 178 mtlr r0
177 mtmsrd r6 179 MTMSRD(r6)
178 isync 180 isync
179 mr r3,r9 181 mr r3,r9
180 addi r1,r1,STKFRM 182 addi r1,r1,STKFRM
@@ -229,7 +231,7 @@ _GLOBAL(do_lvx)
229 oris r7,r6,MSR_VEC@h 231 oris r7,r6,MSR_VEC@h
230 cmpwi cr7,r3,0 232 cmpwi cr7,r3,0
231 li r8,STKFRM-16 233 li r8,STKFRM-16
232 mtmsrd r7 234 MTMSRD(r7)
233 isync 235 isync
234 beq cr7,1f 236 beq cr7,1f
235 stvx vr0,r1,r8 237 stvx vr0,r1,r8
@@ -241,7 +243,7 @@ _GLOBAL(do_lvx)
241 lvx vr0,r1,r8 243 lvx vr0,r1,r8
2424: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 2444: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
243 mtlr r0 245 mtlr r0
244 mtmsrd r6 246 MTMSRD(r6)
245 isync 247 isync
246 mr r3,r9 248 mr r3,r9
247 addi r1,r1,STKFRM 249 addi r1,r1,STKFRM
@@ -257,7 +259,7 @@ _GLOBAL(do_stvx)
257 oris r7,r6,MSR_VEC@h 259 oris r7,r6,MSR_VEC@h
258 cmpwi cr7,r3,0 260 cmpwi cr7,r3,0
259 li r8,STKFRM-16 261 li r8,STKFRM-16
260 mtmsrd r7 262 MTMSRD(r7)
261 isync 263 isync
262 beq cr7,1f 264 beq cr7,1f
263 stvx vr0,r1,r8 265 stvx vr0,r1,r8
@@ -269,7 +271,7 @@ _GLOBAL(do_stvx)
269 lvx vr0,r1,r8 271 lvx vr0,r1,r8
2704: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 2724: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
271 mtlr r0 273 mtlr r0
272 mtmsrd r6 274 MTMSRD(r6)
273 isync 275 isync
274 mr r3,r9 276 mr r3,r9
275 addi r1,r1,STKFRM 277 addi r1,r1,STKFRM
@@ -325,7 +327,7 @@ _GLOBAL(do_lxvd2x)
325 oris r7,r6,MSR_VSX@h 327 oris r7,r6,MSR_VSX@h
326 cmpwi cr7,r3,0 328 cmpwi cr7,r3,0
327 li r8,STKFRM-16 329 li r8,STKFRM-16
328 mtmsrd r7 330 MTMSRD(r7)
329 isync 331 isync
330 beq cr7,1f 332 beq cr7,1f
331 STXVD2X(0,r1,r8) 333 STXVD2X(0,r1,r8)
@@ -337,7 +339,7 @@ _GLOBAL(do_lxvd2x)
337 LXVD2X(0,r1,r8) 339 LXVD2X(0,r1,r8)
3384: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 3404: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
339 mtlr r0 341 mtlr r0
340 mtmsrd r6 342 MTMSRD(r6)
341 isync 343 isync
342 mr r3,r9 344 mr r3,r9
343 addi r1,r1,STKFRM 345 addi r1,r1,STKFRM
@@ -353,7 +355,7 @@ _GLOBAL(do_stxvd2x)
353 oris r7,r6,MSR_VSX@h 355 oris r7,r6,MSR_VSX@h
354 cmpwi cr7,r3,0 356 cmpwi cr7,r3,0
355 li r8,STKFRM-16 357 li r8,STKFRM-16
356 mtmsrd r7 358 MTMSRD(r7)
357 isync 359 isync
358 beq cr7,1f 360 beq cr7,1f
359 STXVD2X(0,r1,r8) 361 STXVD2X(0,r1,r8)
@@ -365,7 +367,7 @@ _GLOBAL(do_stxvd2x)
365 LXVD2X(0,r1,r8) 367 LXVD2X(0,r1,r8)
3664: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) 3684: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
367 mtlr r0 369 mtlr r0
368 mtmsrd r6 370 MTMSRD(r6)
369 isync 371 isync
370 mr r3,r9 372 mr r3,r9
371 addi r1,r1,STKFRM 373 addi r1,r1,STKFRM
@@ -373,3 +375,5 @@ _GLOBAL(do_stxvd2x)
373 extab 2b,3b 375 extab 2b,3b
374 376
375#endif /* CONFIG_VSX */ 377#endif /* CONFIG_VSX */
378
379#endif /* CONFIG_PPC_FPU */
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index 58e14fba11b1..9b8182e82166 100644
--- a/arch/powerpc/lib/locks.c
+++ b/arch/powerpc/lib/locks.c
@@ -34,7 +34,7 @@ void __spin_yield(arch_spinlock_t *lock)
34 return; 34 return;
35 holder_cpu = lock_value & 0xffff; 35 holder_cpu = lock_value & 0xffff;
36 BUG_ON(holder_cpu >= NR_CPUS); 36 BUG_ON(holder_cpu >= NR_CPUS);
37 yield_count = lppaca[holder_cpu].yield_count; 37 yield_count = lppaca_of(holder_cpu).yield_count;
38 if ((yield_count & 1) == 0) 38 if ((yield_count & 1) == 0)
39 return; /* virtual cpu is currently running */ 39 return; /* virtual cpu is currently running */
40 rmb(); 40 rmb();
@@ -65,7 +65,7 @@ void __rw_yield(arch_rwlock_t *rw)
65 return; /* no write lock at present */ 65 return; /* no write lock at present */
66 holder_cpu = lock_value & 0xffff; 66 holder_cpu = lock_value & 0xffff;
67 BUG_ON(holder_cpu >= NR_CPUS); 67 BUG_ON(holder_cpu >= NR_CPUS);
68 yield_count = lppaca[holder_cpu].yield_count; 68 yield_count = lppaca_of(holder_cpu).yield_count;
69 if ((yield_count & 1) == 0) 69 if ((yield_count & 1) == 0)
70 return; /* virtual cpu is currently running */ 70 return; /* virtual cpu is currently running */
71 rmb(); 71 rmb();
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index e0a9858d537e..ae5189ab0049 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -30,6 +30,7 @@ extern char system_call_common[];
30#define XER_OV 0x40000000U 30#define XER_OV 0x40000000U
31#define XER_CA 0x20000000U 31#define XER_CA 0x20000000U
32 32
33#ifdef CONFIG_PPC_FPU
33/* 34/*
34 * Functions in ldstfp.S 35 * Functions in ldstfp.S
35 */ 36 */
@@ -41,6 +42,7 @@ extern int do_lvx(int rn, unsigned long ea);
41extern int do_stvx(int rn, unsigned long ea); 42extern int do_stvx(int rn, unsigned long ea);
42extern int do_lxvd2x(int rn, unsigned long ea); 43extern int do_lxvd2x(int rn, unsigned long ea);
43extern int do_stxvd2x(int rn, unsigned long ea); 44extern int do_stxvd2x(int rn, unsigned long ea);
45#endif
44 46
45/* 47/*
46 * Determine whether a conditional branch instruction would branch. 48 * Determine whether a conditional branch instruction would branch.
@@ -290,6 +292,7 @@ static int __kprobes write_mem(unsigned long val, unsigned long ea, int nb,
290 return write_mem_unaligned(val, ea, nb, regs); 292 return write_mem_unaligned(val, ea, nb, regs);
291} 293}
292 294
295#ifdef CONFIG_PPC_FPU
293/* 296/*
294 * Check the address and alignment, and call func to do the actual 297 * Check the address and alignment, and call func to do the actual
295 * load or store. 298 * load or store.
@@ -351,6 +354,7 @@ static int __kprobes do_fp_store(int rn, int (*func)(int, unsigned long),
351 } 354 }
352 return err; 355 return err;
353} 356}
357#endif
354 358
355#ifdef CONFIG_ALTIVEC 359#ifdef CONFIG_ALTIVEC
356/* For Altivec/VMX, no need to worry about alignment */ 360/* For Altivec/VMX, no need to worry about alignment */
@@ -1393,6 +1397,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
1393 regs->gpr[rd] = byterev_4(val); 1397 regs->gpr[rd] = byterev_4(val);
1394 goto ldst_done; 1398 goto ldst_done;
1395 1399
1400#ifdef CONFIG_PPC_CPU
1396 case 535: /* lfsx */ 1401 case 535: /* lfsx */
1397 case 567: /* lfsux */ 1402 case 567: /* lfsux */
1398 if (!(regs->msr & MSR_FP)) 1403 if (!(regs->msr & MSR_FP))
@@ -1424,6 +1429,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
1424 ea = xform_ea(instr, regs, u); 1429 ea = xform_ea(instr, regs, u);
1425 err = do_fp_store(rd, do_stfd, ea, 8, regs); 1430 err = do_fp_store(rd, do_stfd, ea, 8, regs);
1426 goto ldst_done; 1431 goto ldst_done;
1432#endif
1427 1433
1428#ifdef __powerpc64__ 1434#ifdef __powerpc64__
1429 case 660: /* stdbrx */ 1435 case 660: /* stdbrx */
@@ -1534,6 +1540,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
1534 } while (++rd < 32); 1540 } while (++rd < 32);
1535 goto instr_done; 1541 goto instr_done;
1536 1542
1543#ifdef CONFIG_PPC_FPU
1537 case 48: /* lfs */ 1544 case 48: /* lfs */
1538 case 49: /* lfsu */ 1545 case 49: /* lfsu */
1539 if (!(regs->msr & MSR_FP)) 1546 if (!(regs->msr & MSR_FP))
@@ -1565,6 +1572,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
1565 ea = dform_ea(instr, regs); 1572 ea = dform_ea(instr, regs);
1566 err = do_fp_store(rd, do_stfd, ea, 8, regs); 1573 err = do_fp_store(rd, do_stfd, ea, 8, regs);
1567 goto ldst_done; 1574 goto ldst_done;
1575#endif
1568 1576
1569#ifdef __powerpc64__ 1577#ifdef __powerpc64__
1570 case 58: /* ld[u], lwa */ 1578 case 58: /* ld[u], lwa */
diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile
index 0c16ab947f1f..7d1dba0d57f9 100644
--- a/arch/powerpc/math-emu/Makefile
+++ b/arch/powerpc/math-emu/Makefile
@@ -15,4 +15,4 @@ obj-$(CONFIG_SPE) += math_efp.o
15CFLAGS_fabs.o = -fno-builtin-fabs 15CFLAGS_fabs.o = -fno-builtin-fabs
16CFLAGS_math.o = -fno-builtin-fabs 16CFLAGS_math.o = -fno-builtin-fabs
17 17
18EXTRA_CFLAGS = -I. -Iinclude/math-emu -w 18ccflags-y = -I. -Iinclude/math-emu -w
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index ce68708bbad5..bdca46e08382 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -4,9 +4,7 @@
4 4
5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 5subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
6 6
7ifeq ($(CONFIG_PPC64),y) 7ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
8EXTRA_CFLAGS += -mno-minimal-toc
9endif
10 8
11obj-y := fault.o mem.o pgtable.o gup.o \ 9obj-y := fault.o mem.o pgtable.o gup.o \
12 init_$(CONFIG_WORD_SIZE).o \ 10 init_$(CONFIG_WORD_SIZE).o \
@@ -25,7 +23,7 @@ obj-$(CONFIG_PPC_STD_MMU) += hash_low_$(CONFIG_WORD_SIZE).o \
25 mmu_context_hash$(CONFIG_WORD_SIZE).o 23 mmu_context_hash$(CONFIG_WORD_SIZE).o
26obj-$(CONFIG_40x) += 40x_mmu.o 24obj-$(CONFIG_40x) += 40x_mmu.o
27obj-$(CONFIG_44x) += 44x_mmu.o 25obj-$(CONFIG_44x) += 44x_mmu.o
28obj-$(CONFIG_FSL_BOOKE) += fsl_booke_mmu.o 26obj-$(CONFIG_PPC_FSL_BOOK3E) += fsl_booke_mmu.o
29obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o 27obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o
30obj-$(CONFIG_PPC_MM_SLICES) += slice.o 28obj-$(CONFIG_PPC_MM_SLICES) += slice.o
31ifeq ($(CONFIG_HUGETLB_PAGE),y) 29ifeq ($(CONFIG_HUGETLB_PAGE),y)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 1bd712c33ce2..54f4fb994e99 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -30,6 +30,7 @@
30#include <linux/kprobes.h> 30#include <linux/kprobes.h>
31#include <linux/kdebug.h> 31#include <linux/kdebug.h>
32#include <linux/perf_event.h> 32#include <linux/perf_event.h>
33#include <linux/magic.h>
33 34
34#include <asm/firmware.h> 35#include <asm/firmware.h>
35#include <asm/page.h> 36#include <asm/page.h>
@@ -385,6 +386,7 @@ do_sigbus:
385void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) 386void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
386{ 387{
387 const struct exception_table_entry *entry; 388 const struct exception_table_entry *entry;
389 unsigned long *stackend;
388 390
389 /* Are we prepared to handle this fault? */ 391 /* Are we prepared to handle this fault? */
390 if ((entry = search_exception_tables(regs->nip)) != NULL) { 392 if ((entry = search_exception_tables(regs->nip)) != NULL) {
@@ -413,5 +415,9 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
413 printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n", 415 printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
414 regs->nip); 416 regs->nip);
415 417
418 stackend = end_of_stack(current);
419 if (current != &init_task && *stackend != STACK_END_MAGIC)
420 printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
421
416 die("Kernel access of bad area", regs, sig); 422 die("Kernel access of bad area", regs, sig);
417} 423}
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index cde270847e7c..f7802c8bba0a 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -57,11 +57,6 @@
57 57
58unsigned int tlbcam_index; 58unsigned int tlbcam_index;
59 59
60
61#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
62#error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
63#endif
64
65#define NUM_TLBCAMS (64) 60#define NUM_TLBCAMS (64)
66struct tlbcam TLBCAM[NUM_TLBCAMS]; 61struct tlbcam TLBCAM[NUM_TLBCAMS];
67 62
@@ -138,7 +133,8 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys,
138 if (mmu_has_feature(MMU_FTR_BIG_PHYS)) 133 if (mmu_has_feature(MMU_FTR_BIG_PHYS))
139 TLBCAM[index].MAS7 = (u64)phys >> 32; 134 TLBCAM[index].MAS7 = (u64)phys >> 32;
140 135
141 if (flags & _PAGE_USER) { 136 /* Below is unlikely -- only for large user pages or similar */
137 if (pte_user(flags)) {
142 TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR; 138 TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR;
143 TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0); 139 TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0);
144 } 140 }
@@ -185,6 +181,12 @@ unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
185 return amount_mapped; 181 return amount_mapped;
186} 182}
187 183
184#ifdef CONFIG_PPC32
185
186#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
187#error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
188#endif
189
188unsigned long __init mmu_mapin_ram(unsigned long top) 190unsigned long __init mmu_mapin_ram(unsigned long top)
189{ 191{
190 return tlbcam_addrs[tlbcam_index - 1].limit - PAGE_OFFSET + 1; 192 return tlbcam_addrs[tlbcam_index - 1].limit - PAGE_OFFSET + 1;
@@ -225,3 +227,4 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
225 /* 64M mapped initially according to head_fsl_booke.S */ 227 /* 64M mapped initially according to head_fsl_booke.S */
226 memblock_set_current_limit(min_t(u64, limit, 0x04000000)); 228 memblock_set_current_limit(min_t(u64, limit, 0x04000000));
227} 229}
230#endif
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index ddfd7ad4e1d6..5ce99848d91e 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -334,7 +334,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self,
334 /* We don't touch CPU 0 map, it's allocated at aboot and kept 334 /* We don't touch CPU 0 map, it's allocated at aboot and kept
335 * around forever 335 * around forever
336 */ 336 */
337 if (cpu == 0) 337 if (cpu == boot_cpuid)
338 return NOTIFY_OK; 338 return NOTIFY_OK;
339 339
340 switch (action) { 340 switch (action) {
@@ -420,9 +420,11 @@ void __init mmu_context_init(void)
420 */ 420 */
421 context_map = alloc_bootmem(CTX_MAP_SIZE); 421 context_map = alloc_bootmem(CTX_MAP_SIZE);
422 context_mm = alloc_bootmem(sizeof(void *) * (last_context + 1)); 422 context_mm = alloc_bootmem(sizeof(void *) * (last_context + 1));
423#ifndef CONFIG_SMP
423 stale_map[0] = alloc_bootmem(CTX_MAP_SIZE); 424 stale_map[0] = alloc_bootmem(CTX_MAP_SIZE);
425#else
426 stale_map[boot_cpuid] = alloc_bootmem(CTX_MAP_SIZE);
424 427
425#ifdef CONFIG_SMP
426 register_cpu_notifier(&mmu_context_cpu_nb); 428 register_cpu_notifier(&mmu_context_cpu_nb);
427#endif 429#endif
428 430
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 63b84a0d3b10..dd0a2589591d 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -140,10 +140,13 @@ extern void wii_memory_fixups(void);
140extern void MMU_init_hw(void); 140extern void MMU_init_hw(void);
141extern unsigned long mmu_mapin_ram(unsigned long top); 141extern unsigned long mmu_mapin_ram(unsigned long top);
142 142
143#elif defined(CONFIG_FSL_BOOKE) 143#elif defined(CONFIG_PPC_FSL_BOOK3E)
144extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx);
145#ifdef CONFIG_PPC32
144extern void MMU_init_hw(void); 146extern void MMU_init_hw(void);
145extern unsigned long mmu_mapin_ram(unsigned long top); 147extern unsigned long mmu_mapin_ram(unsigned long top);
146extern void adjust_total_lowmem(void); 148extern void adjust_total_lowmem(void);
149#endif
147extern void loadcam_entry(unsigned int index); 150extern void loadcam_entry(unsigned int index);
148 151
149struct tlbcam { 152struct tlbcam {
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 6a0f20c25469..36c0c449a899 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -349,11 +349,47 @@ void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address)
349 349
350static void setup_page_sizes(void) 350static void setup_page_sizes(void)
351{ 351{
352 unsigned int tlb0cfg = mfspr(SPRN_TLB0CFG); 352 unsigned int tlb0cfg;
353 unsigned int tlb0ps = mfspr(SPRN_TLB0PS); 353 unsigned int tlb0ps;
354 unsigned int eptcfg = mfspr(SPRN_EPTCFG); 354 unsigned int eptcfg;
355 int i, psize; 355 int i, psize;
356 356
357#ifdef CONFIG_PPC_FSL_BOOK3E
358 unsigned int mmucfg = mfspr(SPRN_MMUCFG);
359
360 if (((mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V1) &&
361 (mmu_has_feature(MMU_FTR_TYPE_FSL_E))) {
362 unsigned int tlb1cfg = mfspr(SPRN_TLB1CFG);
363 unsigned int min_pg, max_pg;
364
365 min_pg = (tlb1cfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT;
366 max_pg = (tlb1cfg & TLBnCFG_MAXSIZE) >> TLBnCFG_MAXSIZE_SHIFT;
367
368 for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
369 struct mmu_psize_def *def;
370 unsigned int shift;
371
372 def = &mmu_psize_defs[psize];
373 shift = def->shift;
374
375 if (shift == 0)
376 continue;
377
378 /* adjust to be in terms of 4^shift Kb */
379 shift = (shift - 10) >> 1;
380
381 if ((shift >= min_pg) && (shift <= max_pg))
382 def->flags |= MMU_PAGE_SIZE_DIRECT;
383 }
384
385 goto no_indirect;
386 }
387#endif
388
389 tlb0cfg = mfspr(SPRN_TLB0CFG);
390 tlb0ps = mfspr(SPRN_TLB0PS);
391 eptcfg = mfspr(SPRN_EPTCFG);
392
357 /* Look for supported direct sizes */ 393 /* Look for supported direct sizes */
358 for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { 394 for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
359 struct mmu_psize_def *def = &mmu_psize_defs[psize]; 395 struct mmu_psize_def *def = &mmu_psize_defs[psize];
@@ -505,6 +541,20 @@ static void __early_init_mmu(int boot_cpu)
505 */ 541 */
506 linear_map_top = memblock_end_of_DRAM(); 542 linear_map_top = memblock_end_of_DRAM();
507 543
544#ifdef CONFIG_PPC_FSL_BOOK3E
545 if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
546 unsigned int num_cams;
547
548 /* use a quarter of the TLBCAM for bolted linear map */
549 num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4;
550 linear_map_top = map_mem_in_cams(linear_map_top, num_cams);
551
552 /* limit memory so we dont have linear faults */
553 memblock_enforce_memory_limit(linear_map_top);
554 memblock_analyze();
555 }
556#endif
557
508 /* A sync won't hurt us after mucking around with 558 /* A sync won't hurt us after mucking around with
509 * the MMU configuration 559 * the MMU configuration
510 */ 560 */
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S
index b9d9fed8f36e..af405eefe48d 100644
--- a/arch/powerpc/mm/tlb_nohash_low.S
+++ b/arch/powerpc/mm/tlb_nohash_low.S
@@ -367,7 +367,7 @@ _GLOBAL(set_context)
367#error Unsupported processor type ! 367#error Unsupported processor type !
368#endif 368#endif
369 369
370#if defined(CONFIG_FSL_BOOKE) 370#if defined(CONFIG_PPC_FSL_BOOK3E)
371/* 371/*
372 * extern void loadcam_entry(unsigned int index) 372 * extern void loadcam_entry(unsigned int index)
373 * 373 *
diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile
index e219ca43962d..73456c4cec28 100644
--- a/arch/powerpc/oprofile/Makefile
+++ b/arch/powerpc/oprofile/Makefile
@@ -1,8 +1,6 @@
1subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 1subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
2 2
3ifeq ($(CONFIG_PPC64),y) 3ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
4EXTRA_CFLAGS += -mno-minimal-toc
5endif
6 4
7obj-$(CONFIG_OPROFILE) += oprofile.o 5obj-$(CONFIG_OPROFILE) += oprofile.o
8 6
diff --git a/arch/powerpc/oprofile/backtrace.c b/arch/powerpc/oprofile/backtrace.c
index b4278cfd1f80..f75301f2c85f 100644
--- a/arch/powerpc/oprofile/backtrace.c
+++ b/arch/powerpc/oprofile/backtrace.c
@@ -105,7 +105,7 @@ void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth)
105 } 105 }
106 } else { 106 } else {
107#ifdef CONFIG_PPC64 107#ifdef CONFIG_PPC64
108 if (!test_thread_flag(TIF_32BIT)) { 108 if (!is_32bit_task()) {
109 while (depth--) { 109 while (depth--) {
110 sp = user_getsp64(sp, first_frame); 110 sp = user_getsp64(sp, first_frame);
111 if (!sp) 111 if (!sp)
diff --git a/arch/powerpc/oprofile/op_model_fsl_emb.c b/arch/powerpc/oprofile/op_model_fsl_emb.c
index 62312abffa28..d4e6507277b5 100644
--- a/arch/powerpc/oprofile/op_model_fsl_emb.c
+++ b/arch/powerpc/oprofile/op_model_fsl_emb.c
@@ -2,7 +2,7 @@
2 * Freescale Embedded oprofile support, based on ppc64 oprofile support 2 * Freescale Embedded oprofile support, based on ppc64 oprofile support
3 * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM 3 * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
4 * 4 *
5 * Copyright (c) 2004 Freescale Semiconductor, Inc 5 * Copyright (c) 2004, 2010 Freescale Semiconductor, Inc
6 * 6 *
7 * Author: Andy Fleming 7 * Author: Andy Fleming
8 * Maintainer: Kumar Gala <galak@kernel.crashing.org> 8 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
@@ -321,9 +321,6 @@ static void fsl_emb_handle_interrupt(struct pt_regs *regs,
321 int val; 321 int val;
322 int i; 322 int i;
323 323
324 /* set the PMM bit (see comment below) */
325 mtmsr(mfmsr() | MSR_PMM);
326
327 pc = regs->nip; 324 pc = regs->nip;
328 is_kernel = is_kernel_addr(pc); 325 is_kernel = is_kernel_addr(pc);
329 326
@@ -340,9 +337,13 @@ static void fsl_emb_handle_interrupt(struct pt_regs *regs,
340 } 337 }
341 338
342 /* The freeze bit was set by the interrupt. */ 339 /* The freeze bit was set by the interrupt. */
343 /* Clear the freeze bit, and reenable the interrupt. 340 /* Clear the freeze bit, and reenable the interrupt. The
344 * The counters won't actually start until the rfi clears 341 * counters won't actually start until the rfi clears the PMM
345 * the PMM bit */ 342 * bit. The PMM bit should not be set until after the interrupt
343 * is cleared to avoid it getting lost in some hypervisor
344 * environments.
345 */
346 mtmsr(mfmsr() | MSR_PMM);
346 pmc_start_ctrs(1); 347 pmc_start_ctrs(1);
347} 348}
348 349
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 69d668c072ae..0f979c5c756b 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -17,6 +17,16 @@ config BAMBOO
17 help 17 help
18 This option enables support for the IBM PPC440EP evaluation board. 18 This option enables support for the IBM PPC440EP evaluation board.
19 19
20config BLUESTONE
21 bool "Bluestone"
22 depends on 44x
23 default n
24 select PPC44x_SIMPLE
25 select APM821xx
26 select IBM_NEW_EMAC_RGMII
27 help
28 This option enables support for the APM APM821xx Evaluation board.
29
20config EBONY 30config EBONY
21 bool "Ebony" 31 bool "Ebony"
22 depends on 44x 32 depends on 44x
@@ -293,6 +303,12 @@ config 460SX
293 select IBM_NEW_EMAC_ZMII 303 select IBM_NEW_EMAC_ZMII
294 select IBM_NEW_EMAC_TAH 304 select IBM_NEW_EMAC_TAH
295 305
306config APM821xx
307 bool
308 select PPC_FPU
309 select IBM_NEW_EMAC_EMAC4
310 select IBM_NEW_EMAC_TAH
311
296# 44x errata/workaround config symbols, selected by the CPU models above 312# 44x errata/workaround config symbols, selected by the CPU models above
297config IBM440EP_ERR42 313config IBM440EP_ERR42
298 bool 314 bool
diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c
index 5f7a29d7f590..7ddcba3b9397 100644
--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -52,6 +52,7 @@ machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
52static char *board[] __initdata = { 52static char *board[] __initdata = {
53 "amcc,arches", 53 "amcc,arches",
54 "amcc,bamboo", 54 "amcc,bamboo",
55 "amcc,bluestone",
55 "amcc,canyonlands", 56 "amcc,canyonlands",
56 "amcc,glacier", 57 "amcc,glacier",
57 "ibm,ebony", 58 "ibm,ebony",
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 021763a32c2f..73f4135f3a1a 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -10,12 +10,12 @@ menuconfig PPC_83xx
10if PPC_83xx 10if PPC_83xx
11 11
12config MPC830x_RDB 12config MPC830x_RDB
13 bool "Freescale MPC830x RDB" 13 bool "Freescale MPC830x RDB and derivatives"
14 select DEFAULT_UIMAGE 14 select DEFAULT_UIMAGE
15 select PPC_MPC831x 15 select PPC_MPC831x
16 select FSL_GTM 16 select FSL_GTM
17 help 17 help
18 This option enables support for the MPC8308 RDB board. 18 This option enables support for the MPC8308 RDB and MPC8308 P1M boards.
19 19
20config MPC831x_RDB 20config MPC831x_RDB
21 bool "Freescale MPC831x RDB" 21 bool "Freescale MPC831x RDB"
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
index ac102ee9abe8..846831d495b5 100644
--- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -65,7 +65,8 @@ static int __init mpc830x_rdb_probe(void)
65 unsigned long root = of_get_flat_dt_root(); 65 unsigned long root = of_get_flat_dt_root();
66 66
67 return of_flat_dt_is_compatible(root, "MPC8308RDB") || 67 return of_flat_dt_is_compatible(root, "MPC8308RDB") ||
68 of_flat_dt_is_compatible(root, "fsl,mpc8308rdb"); 68 of_flat_dt_is_compatible(root, "fsl,mpc8308rdb") ||
69 of_flat_dt_is_compatible(root, "denx,mpc8308_p1m");
69} 70}
70 71
71static struct of_device_id __initdata of_bus_ids[] = { 72static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index bea1f5905ad4..b6976e1726e4 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -11,6 +11,8 @@ menuconfig FSL_SOC_BOOKE
11 11
12if FSL_SOC_BOOKE 12if FSL_SOC_BOOKE
13 13
14if PPC32
15
14config MPC8540_ADS 16config MPC8540_ADS
15 bool "Freescale MPC8540 ADS" 17 bool "Freescale MPC8540 ADS"
16 select DEFAULT_UIMAGE 18 select DEFAULT_UIMAGE
@@ -153,10 +155,20 @@ config SBC8560
153 help 155 help
154 This option enables support for the Wind River SBC8560 board 156 This option enables support for the Wind River SBC8560 board
155 157
158config P3041_DS
159 bool "Freescale P3041 DS"
160 select DEFAULT_UIMAGE
161 select PPC_E500MC
162 select PHYS_64BIT
163 select SWIOTLB
164 select MPC8xxx_GPIO
165 select HAS_RAPIDIO
166 help
167 This option enables support for the P3041 DS board
168
156config P4080_DS 169config P4080_DS
157 bool "Freescale P4080 DS" 170 bool "Freescale P4080 DS"
158 select DEFAULT_UIMAGE 171 select DEFAULT_UIMAGE
159 select PPC_FSL_BOOK3E
160 select PPC_E500MC 172 select PPC_E500MC
161 select PHYS_64BIT 173 select PHYS_64BIT
162 select SWIOTLB 174 select SWIOTLB
@@ -165,6 +177,20 @@ config P4080_DS
165 help 177 help
166 This option enables support for the P4080 DS board 178 This option enables support for the P4080 DS board
167 179
180endif # PPC32
181
182config P5020_DS
183 bool "Freescale P5020 DS"
184 select DEFAULT_UIMAGE
185 select E500
186 select PPC_E500MC
187 select PHYS_64BIT
188 select SWIOTLB
189 select MPC8xxx_GPIO
190 select HAS_RAPIDIO
191 help
192 This option enables support for the P5020 DS board
193
168endif # FSL_SOC_BOOKE 194endif # FSL_SOC_BOOKE
169 195
170config TQM85xx 196config TQM85xx
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index a2ec3f8f4d06..dd70db77d63e 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -11,7 +11,9 @@ obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
11obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o 11obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
12obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o 12obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
13obj-$(CONFIG_P1022_DS) += p1022_ds.o 13obj-$(CONFIG_P1022_DS) += p1022_ds.o
14obj-$(CONFIG_P3041_DS) += p3041_ds.o corenet_ds.o
14obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o 15obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o
16obj-$(CONFIG_P5020_DS) += p5020_ds.o corenet_ds.o
15obj-$(CONFIG_STX_GP3) += stx_gp3.o 17obj-$(CONFIG_STX_GP3) += stx_gp3.o
16obj-$(CONFIG_TQM85xx) += tqm85xx.o 18obj-$(CONFIG_TQM85xx) += tqm85xx.o
17obj-$(CONFIG_SBC8560) += sbc8560.o 19obj-$(CONFIG_SBC8560) += sbc8560.o
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index 34e00902ce86..2b390d19a1d1 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -112,6 +112,8 @@ static struct of_device_id __initdata p1022_ds_ids[] = {
112 { .compatible = "soc", }, 112 { .compatible = "soc", },
113 { .compatible = "simple-bus", }, 113 { .compatible = "simple-bus", },
114 { .compatible = "gianfar", }, 114 { .compatible = "gianfar", },
115 /* So that the DMA channel nodes can be probed individually: */
116 { .compatible = "fsl,eloplus-dma", },
115 {}, 117 {},
116}; 118};
117 119
diff --git a/arch/powerpc/platforms/85xx/p3041_ds.c b/arch/powerpc/platforms/85xx/p3041_ds.c
new file mode 100644
index 000000000000..0ed52e18298c
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/p3041_ds.c
@@ -0,0 +1,64 @@
1/*
2 * P3041 DS Setup
3 *
4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5 *
6 * Copyright 2009-2010 Freescale Semiconductor Inc.
7 *
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
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13
14#include <linux/kernel.h>
15#include <linux/pci.h>
16#include <linux/kdev_t.h>
17#include <linux/delay.h>
18#include <linux/interrupt.h>
19#include <linux/phy.h>
20
21#include <asm/system.h>
22#include <asm/time.h>
23#include <asm/machdep.h>
24#include <asm/pci-bridge.h>
25#include <mm/mmu_decl.h>
26#include <asm/prom.h>
27#include <asm/udbg.h>
28#include <asm/mpic.h>
29
30#include <linux/of_platform.h>
31#include <sysdev/fsl_soc.h>
32#include <sysdev/fsl_pci.h>
33
34#include "corenet_ds.h"
35
36/*
37 * Called very early, device-tree isn't unflattened
38 */
39static int __init p3041_ds_probe(void)
40{
41 unsigned long root = of_get_flat_dt_root();
42
43 return of_flat_dt_is_compatible(root, "fsl,P3041DS");
44}
45
46define_machine(p3041_ds) {
47 .name = "P3041 DS",
48 .probe = p3041_ds_probe,
49 .setup_arch = corenet_ds_setup_arch,
50 .init_IRQ = corenet_ds_pic_init,
51#ifdef CONFIG_PCI
52 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
53#endif
54 .get_irq = mpic_get_coreint_irq,
55 .restart = fsl_rstcr_restart,
56 .calibrate_decr = generic_calibrate_decr,
57 .progress = udbg_progress,
58};
59
60machine_device_initcall(p3041_ds, corenet_ds_publish_devices);
61
62#ifdef CONFIG_SWIOTLB
63machine_arch_initcall(p3041_ds, swiotlb_setup_bus_notifier);
64#endif
diff --git a/arch/powerpc/platforms/85xx/p5020_ds.c b/arch/powerpc/platforms/85xx/p5020_ds.c
new file mode 100644
index 000000000000..7467b712ee00
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/p5020_ds.c
@@ -0,0 +1,69 @@
1/*
2 * P5020 DS Setup
3 *
4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5 *
6 * Copyright 2009-2010 Freescale Semiconductor Inc.
7 *
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
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13
14#include <linux/kernel.h>
15#include <linux/pci.h>
16#include <linux/kdev_t.h>
17#include <linux/delay.h>
18#include <linux/interrupt.h>
19#include <linux/phy.h>
20
21#include <asm/system.h>
22#include <asm/time.h>
23#include <asm/machdep.h>
24#include <asm/pci-bridge.h>
25#include <mm/mmu_decl.h>
26#include <asm/prom.h>
27#include <asm/udbg.h>
28#include <asm/mpic.h>
29
30#include <linux/of_platform.h>
31#include <sysdev/fsl_soc.h>
32#include <sysdev/fsl_pci.h>
33
34#include "corenet_ds.h"
35
36/*
37 * Called very early, device-tree isn't unflattened
38 */
39static int __init p5020_ds_probe(void)
40{
41 unsigned long root = of_get_flat_dt_root();
42
43 return of_flat_dt_is_compatible(root, "fsl,P5020DS");
44}
45
46define_machine(p5020_ds) {
47 .name = "P5020 DS",
48 .probe = p5020_ds_probe,
49 .setup_arch = corenet_ds_setup_arch,
50 .init_IRQ = corenet_ds_pic_init,
51#ifdef CONFIG_PCI
52 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
53#endif
54/* coreint doesn't play nice with lazy EE, use legacy mpic for now */
55#ifdef CONFIG_PPC64
56 .get_irq = mpic_get_irq,
57#else
58 .get_irq = mpic_get_coreint_irq,
59#endif
60 .restart = fsl_rstcr_restart,
61 .calibrate_decr = generic_calibrate_decr,
62 .progress = udbg_progress,
63};
64
65machine_device_initcall(p5020_ds, corenet_ds_publish_devices);
66
67#ifdef CONFIG_SWIOTLB
68machine_arch_initcall(p5020_ds, swiotlb_setup_bus_notifier);
69#endif
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index a6b106557be4..5c91a992f02b 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -16,6 +16,7 @@
16#include <linux/delay.h> 16#include <linux/delay.h>
17#include <linux/of.h> 17#include <linux/of.h>
18#include <linux/kexec.h> 18#include <linux/kexec.h>
19#include <linux/highmem.h>
19 20
20#include <asm/machdep.h> 21#include <asm/machdep.h>
21#include <asm/pgtable.h> 22#include <asm/pgtable.h>
@@ -79,6 +80,7 @@ smp_85xx_kick_cpu(int nr)
79 local_irq_save(flags); 80 local_irq_save(flags);
80 81
81 out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr); 82 out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr);
83#ifdef CONFIG_PPC32
82 out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start)); 84 out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start));
83 85
84 if (!ioremappable) 86 if (!ioremappable)
@@ -88,6 +90,12 @@ smp_85xx_kick_cpu(int nr)
88 /* Wait a bit for the CPU to ack. */ 90 /* Wait a bit for the CPU to ack. */
89 while ((__secondary_hold_acknowledge != nr) && (++n < 1000)) 91 while ((__secondary_hold_acknowledge != nr) && (++n < 1000))
90 mdelay(1); 92 mdelay(1);
93#else
94 out_be64((u64 *)(bptr_vaddr + BOOT_ENTRY_ADDR_UPPER),
95 __pa((u64)*((unsigned long long *) generic_secondary_smp_init)));
96
97 smp_generic_kick_cpu(nr);
98#endif
91 99
92 local_irq_restore(flags); 100 local_irq_restore(flags);
93 101
@@ -114,19 +122,15 @@ struct smp_ops_t smp_85xx_ops = {
114}; 122};
115 123
116#ifdef CONFIG_KEXEC 124#ifdef CONFIG_KEXEC
117static int kexec_down_cpus = 0; 125atomic_t kexec_down_cpus = ATOMIC_INIT(0);
118 126
119void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary) 127void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
120{ 128{
121 mpic_teardown_this_cpu(1); 129 local_irq_disable();
122
123 /* When crashing, this gets called on all CPU's we only
124 * take down the non-boot cpus */
125 if (smp_processor_id() != boot_cpuid)
126 {
127 local_irq_disable();
128 kexec_down_cpus++;
129 130
131 if (secondary) {
132 atomic_inc(&kexec_down_cpus);
133 /* loop forever */
130 while (1); 134 while (1);
131 } 135 }
132} 136}
@@ -137,16 +141,65 @@ static void mpc85xx_smp_kexec_down(void *arg)
137 ppc_md.kexec_cpu_down(0,1); 141 ppc_md.kexec_cpu_down(0,1);
138} 142}
139 143
140static void mpc85xx_smp_machine_kexec(struct kimage *image) 144static void map_and_flush(unsigned long paddr)
141{ 145{
142 int timeout = 2000; 146 struct page *page = pfn_to_page(paddr >> PAGE_SHIFT);
147 unsigned long kaddr = (unsigned long)kmap(page);
148
149 flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
150 kunmap(page);
151}
152
153/**
154 * Before we reset the other cores, we need to flush relevant cache
155 * out to memory so we don't get anything corrupted, some of these flushes
156 * are performed out of an overabundance of caution as interrupts are not
157 * disabled yet and we can switch cores
158 */
159static void mpc85xx_smp_flush_dcache_kexec(struct kimage *image)
160{
161 kimage_entry_t *ptr, entry;
162 unsigned long paddr;
143 int i; 163 int i;
144 164
145 set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid)); 165 if (image->type == KEXEC_TYPE_DEFAULT) {
166 /* normal kexec images are stored in temporary pages */
167 for (ptr = &image->head; (entry = *ptr) && !(entry & IND_DONE);
168 ptr = (entry & IND_INDIRECTION) ?
169 phys_to_virt(entry & PAGE_MASK) : ptr + 1) {
170 if (!(entry & IND_DESTINATION)) {
171 map_and_flush(entry);
172 }
173 }
174 /* flush out last IND_DONE page */
175 map_and_flush(entry);
176 } else {
177 /* crash type kexec images are copied to the crash region */
178 for (i = 0; i < image->nr_segments; i++) {
179 struct kexec_segment *seg = &image->segment[i];
180 for (paddr = seg->mem; paddr < seg->mem + seg->memsz;
181 paddr += PAGE_SIZE) {
182 map_and_flush(paddr);
183 }
184 }
185 }
186
187 /* also flush the kimage struct to be passed in as well */
188 flush_dcache_range((unsigned long)image,
189 (unsigned long)image + sizeof(*image));
190}
191
192static void mpc85xx_smp_machine_kexec(struct kimage *image)
193{
194 int timeout = INT_MAX;
195 int i, num_cpus = num_present_cpus();
196
197 mpc85xx_smp_flush_dcache_kexec(image);
146 198
147 smp_call_function(mpc85xx_smp_kexec_down, NULL, 0); 199 if (image->type == KEXEC_TYPE_DEFAULT)
200 smp_call_function(mpc85xx_smp_kexec_down, NULL, 0);
148 201
149 while ( (kexec_down_cpus != (num_online_cpus() - 1)) && 202 while ( (atomic_read(&kexec_down_cpus) != (num_cpus - 1)) &&
150 ( timeout > 0 ) ) 203 ( timeout > 0 ) )
151 { 204 {
152 timeout--; 205 timeout--;
@@ -155,7 +208,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image)
155 if ( !timeout ) 208 if ( !timeout )
156 printk(KERN_ERR "Unable to bring down secondary cpu(s)"); 209 printk(KERN_ERR "Unable to bring down secondary cpu(s)");
157 210
158 for (i = 0; i < num_present_cpus(); i++) 211 for (i = 0; i < num_cpus; i++)
159 { 212 {
160 if ( i == smp_processor_id() ) continue; 213 if ( i == smp_processor_id() ) continue;
161 mpic_reset_core(i); 214 mpic_reset_core(i);
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index d361f8119b1e..111138c55f9c 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -125,6 +125,7 @@ config 8xx
125 125
126config E500 126config E500
127 select FSL_EMB_PERFMON 127 select FSL_EMB_PERFMON
128 select PPC_FSL_BOOK3E
128 bool 129 bool
129 130
130config PPC_E500MC 131config PPC_E500MC
@@ -166,9 +167,14 @@ config BOOKE
166 167
167config FSL_BOOKE 168config FSL_BOOKE
168 bool 169 bool
169 depends on E200 || E500 170 depends on (E200 || E500) && PPC32
170 default y 171 default y
171 172
173# this is for common code between PPC32 & PPC64 FSL BOOKE
174config PPC_FSL_BOOK3E
175 bool
176 select FSL_EMB_PERFMON
177 default y if FSL_BOOKE
172 178
173config PTE_64BIT 179config PTE_64BIT
174 bool 180 bool
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 1d3c4effea10..5ec1e47a0d77 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -173,8 +173,10 @@ static int __init cbe_ptcal_enable(void)
173 return -ENODEV; 173 return -ENODEV;
174 174
175 size = of_get_property(np, "ibm,cbe-ptcal-size", NULL); 175 size = of_get_property(np, "ibm,cbe-ptcal-size", NULL);
176 if (!size) 176 if (!size) {
177 of_node_put(np);
177 return -ENODEV; 178 return -ENODEV;
179 }
178 180
179 pr_debug("%s: enabling PTCAL, size = 0x%x\n", __func__, *size); 181 pr_debug("%s: enabling PTCAL, size = 0x%x\n", __func__, *size);
180 order = get_order(*size); 182 order = get_order(*size);
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 5876e888e412..3f2e557344a3 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -258,8 +258,10 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic)
258 return NO_IRQ; 258 return NO_IRQ;
259 imap += intsize + 1; 259 imap += intsize + 1;
260 tmp = of_get_property(iic, "#interrupt-cells", NULL); 260 tmp = of_get_property(iic, "#interrupt-cells", NULL);
261 if (tmp == NULL) 261 if (tmp == NULL) {
262 of_node_put(iic);
262 return NO_IRQ; 263 return NO_IRQ;
264 }
263 intsize = *tmp; 265 intsize = *tmp;
264 /* Assume unit is last entry of interrupt specifier */ 266 /* Assume unit is last entry of interrupt specifier */
265 unit = imap[intsize - 1]; 267 unit = imap[intsize - 1];
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 1a40da92154c..02f7b113a31b 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -154,6 +154,7 @@ static const struct file_operations __fops = { \
154 .release = spufs_attr_release, \ 154 .release = spufs_attr_release, \
155 .read = spufs_attr_read, \ 155 .read = spufs_attr_read, \
156 .write = spufs_attr_write, \ 156 .write = spufs_attr_write, \
157 .llseek = generic_file_llseek, \
157}; 158};
158 159
159 160
@@ -521,6 +522,7 @@ static const struct file_operations spufs_cntl_fops = {
521 .release = spufs_cntl_release, 522 .release = spufs_cntl_release,
522 .read = simple_attr_read, 523 .read = simple_attr_read,
523 .write = simple_attr_write, 524 .write = simple_attr_write,
525 .llseek = generic_file_llseek,
524 .mmap = spufs_cntl_mmap, 526 .mmap = spufs_cntl_mmap,
525}; 527};
526 528
@@ -714,6 +716,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
714static const struct file_operations spufs_mbox_fops = { 716static const struct file_operations spufs_mbox_fops = {
715 .open = spufs_pipe_open, 717 .open = spufs_pipe_open,
716 .read = spufs_mbox_read, 718 .read = spufs_mbox_read,
719 .llseek = no_llseek,
717}; 720};
718 721
719static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf, 722static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
@@ -743,6 +746,7 @@ static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
743static const struct file_operations spufs_mbox_stat_fops = { 746static const struct file_operations spufs_mbox_stat_fops = {
744 .open = spufs_pipe_open, 747 .open = spufs_pipe_open,
745 .read = spufs_mbox_stat_read, 748 .read = spufs_mbox_stat_read,
749 .llseek = no_llseek,
746}; 750};
747 751
748/* low-level ibox access function */ 752/* low-level ibox access function */
@@ -863,6 +867,7 @@ static const struct file_operations spufs_ibox_fops = {
863 .read = spufs_ibox_read, 867 .read = spufs_ibox_read,
864 .poll = spufs_ibox_poll, 868 .poll = spufs_ibox_poll,
865 .fasync = spufs_ibox_fasync, 869 .fasync = spufs_ibox_fasync,
870 .llseek = no_llseek,
866}; 871};
867 872
868static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf, 873static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
@@ -890,6 +895,7 @@ static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
890static const struct file_operations spufs_ibox_stat_fops = { 895static const struct file_operations spufs_ibox_stat_fops = {
891 .open = spufs_pipe_open, 896 .open = spufs_pipe_open,
892 .read = spufs_ibox_stat_read, 897 .read = spufs_ibox_stat_read,
898 .llseek = no_llseek,
893}; 899};
894 900
895/* low-level mailbox write */ 901/* low-level mailbox write */
@@ -1011,6 +1017,7 @@ static const struct file_operations spufs_wbox_fops = {
1011 .write = spufs_wbox_write, 1017 .write = spufs_wbox_write,
1012 .poll = spufs_wbox_poll, 1018 .poll = spufs_wbox_poll,
1013 .fasync = spufs_wbox_fasync, 1019 .fasync = spufs_wbox_fasync,
1020 .llseek = no_llseek,
1014}; 1021};
1015 1022
1016static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf, 1023static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
@@ -1038,6 +1045,7 @@ static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
1038static const struct file_operations spufs_wbox_stat_fops = { 1045static const struct file_operations spufs_wbox_stat_fops = {
1039 .open = spufs_pipe_open, 1046 .open = spufs_pipe_open,
1040 .read = spufs_wbox_stat_read, 1047 .read = spufs_wbox_stat_read,
1048 .llseek = no_llseek,
1041}; 1049};
1042 1050
1043static int spufs_signal1_open(struct inode *inode, struct file *file) 1051static int spufs_signal1_open(struct inode *inode, struct file *file)
@@ -1166,6 +1174,7 @@ static const struct file_operations spufs_signal1_fops = {
1166 .read = spufs_signal1_read, 1174 .read = spufs_signal1_read,
1167 .write = spufs_signal1_write, 1175 .write = spufs_signal1_write,
1168 .mmap = spufs_signal1_mmap, 1176 .mmap = spufs_signal1_mmap,
1177 .llseek = no_llseek,
1169}; 1178};
1170 1179
1171static const struct file_operations spufs_signal1_nosched_fops = { 1180static const struct file_operations spufs_signal1_nosched_fops = {
@@ -1173,6 +1182,7 @@ static const struct file_operations spufs_signal1_nosched_fops = {
1173 .release = spufs_signal1_release, 1182 .release = spufs_signal1_release,
1174 .write = spufs_signal1_write, 1183 .write = spufs_signal1_write,
1175 .mmap = spufs_signal1_mmap, 1184 .mmap = spufs_signal1_mmap,
1185 .llseek = no_llseek,
1176}; 1186};
1177 1187
1178static int spufs_signal2_open(struct inode *inode, struct file *file) 1188static int spufs_signal2_open(struct inode *inode, struct file *file)
@@ -1305,6 +1315,7 @@ static const struct file_operations spufs_signal2_fops = {
1305 .read = spufs_signal2_read, 1315 .read = spufs_signal2_read,
1306 .write = spufs_signal2_write, 1316 .write = spufs_signal2_write,
1307 .mmap = spufs_signal2_mmap, 1317 .mmap = spufs_signal2_mmap,
1318 .llseek = no_llseek,
1308}; 1319};
1309 1320
1310static const struct file_operations spufs_signal2_nosched_fops = { 1321static const struct file_operations spufs_signal2_nosched_fops = {
@@ -1312,6 +1323,7 @@ static const struct file_operations spufs_signal2_nosched_fops = {
1312 .release = spufs_signal2_release, 1323 .release = spufs_signal2_release,
1313 .write = spufs_signal2_write, 1324 .write = spufs_signal2_write,
1314 .mmap = spufs_signal2_mmap, 1325 .mmap = spufs_signal2_mmap,
1326 .llseek = no_llseek,
1315}; 1327};
1316 1328
1317/* 1329/*
@@ -1451,6 +1463,7 @@ static const struct file_operations spufs_mss_fops = {
1451 .open = spufs_mss_open, 1463 .open = spufs_mss_open,
1452 .release = spufs_mss_release, 1464 .release = spufs_mss_release,
1453 .mmap = spufs_mss_mmap, 1465 .mmap = spufs_mss_mmap,
1466 .llseek = no_llseek,
1454}; 1467};
1455 1468
1456static int 1469static int
@@ -1508,6 +1521,7 @@ static const struct file_operations spufs_psmap_fops = {
1508 .open = spufs_psmap_open, 1521 .open = spufs_psmap_open,
1509 .release = spufs_psmap_release, 1522 .release = spufs_psmap_release,
1510 .mmap = spufs_psmap_mmap, 1523 .mmap = spufs_psmap_mmap,
1524 .llseek = no_llseek,
1511}; 1525};
1512 1526
1513 1527
@@ -1871,6 +1885,7 @@ static const struct file_operations spufs_mfc_fops = {
1871 .fsync = spufs_mfc_fsync, 1885 .fsync = spufs_mfc_fsync,
1872 .fasync = spufs_mfc_fasync, 1886 .fasync = spufs_mfc_fasync,
1873 .mmap = spufs_mfc_mmap, 1887 .mmap = spufs_mfc_mmap,
1888 .llseek = no_llseek,
1874}; 1889};
1875 1890
1876static int spufs_npc_set(void *data, u64 val) 1891static int spufs_npc_set(void *data, u64 val)
@@ -2246,6 +2261,7 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf,
2246static const struct file_operations spufs_dma_info_fops = { 2261static const struct file_operations spufs_dma_info_fops = {
2247 .open = spufs_info_open, 2262 .open = spufs_info_open,
2248 .read = spufs_dma_info_read, 2263 .read = spufs_dma_info_read,
2264 .llseek = no_llseek,
2249}; 2265};
2250 2266
2251static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx, 2267static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx,
@@ -2299,6 +2315,7 @@ static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf,
2299static const struct file_operations spufs_proxydma_info_fops = { 2315static const struct file_operations spufs_proxydma_info_fops = {
2300 .open = spufs_info_open, 2316 .open = spufs_info_open,
2301 .read = spufs_proxydma_info_read, 2317 .read = spufs_proxydma_info_read,
2318 .llseek = no_llseek,
2302}; 2319};
2303 2320
2304static int spufs_show_tid(struct seq_file *s, void *private) 2321static int spufs_show_tid(struct seq_file *s, void *private)
@@ -2585,6 +2602,7 @@ static const struct file_operations spufs_switch_log_fops = {
2585 .read = spufs_switch_log_read, 2602 .read = spufs_switch_log_read,
2586 .poll = spufs_switch_log_poll, 2603 .poll = spufs_switch_log_poll,
2587 .release = spufs_switch_log_release, 2604 .release = spufs_switch_log_release,
2605 .llseek = no_llseek,
2588}; 2606};
2589 2607
2590/** 2608/**
diff --git a/arch/powerpc/platforms/chrp/nvram.c b/arch/powerpc/platforms/chrp/nvram.c
index ba3588f2d8e0..d3ceff04ffc7 100644
--- a/arch/powerpc/platforms/chrp/nvram.c
+++ b/arch/powerpc/platforms/chrp/nvram.c
@@ -74,8 +74,10 @@ void __init chrp_nvram_init(void)
74 return; 74 return;
75 75
76 nbytes_p = of_get_property(nvram, "#bytes", &proplen); 76 nbytes_p = of_get_property(nvram, "#bytes", &proplen);
77 if (nbytes_p == NULL || proplen != sizeof(unsigned int)) 77 if (nbytes_p == NULL || proplen != sizeof(unsigned int)) {
78 of_node_put(nvram);
78 return; 79 return;
80 }
79 81
80 nvram_size = *nbytes_p; 82 nvram_size = *nbytes_p;
81 83
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
index ce014928d460..a7602b11ed9d 100644
--- a/arch/powerpc/platforms/iseries/Makefile
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -1,4 +1,4 @@
1EXTRA_CFLAGS += -mno-minimal-toc 1ccflags-y := -mno-minimal-toc
2 2
3obj-y += exception.o 3obj-y += exception.o
4obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o dt.o mf.o lpevents.o \ 4obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o dt.o mf.o lpevents.o \
diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c
index 7f45a51fe793..fdb7384c0c4f 100644
--- a/arch/powerpc/platforms/iseries/dt.c
+++ b/arch/powerpc/platforms/iseries/dt.c
@@ -243,7 +243,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt)
243 pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE); 243 pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE);
244 244
245 for (i = 0; i < NR_CPUS; i++) { 245 for (i = 0; i < NR_CPUS; i++) {
246 if (lppaca[i].dyn_proc_status >= 2) 246 if (lppaca_of(i).dyn_proc_status >= 2)
247 continue; 247 continue;
248 248
249 snprintf(p, 32 - (p - buf), "@%d", i); 249 snprintf(p, 32 - (p - buf), "@%d", i);
@@ -251,7 +251,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt)
251 251
252 dt_prop_str(dt, "device_type", device_type_cpu); 252 dt_prop_str(dt, "device_type", device_type_cpu);
253 253
254 index = lppaca[i].dyn_hv_phys_proc_index; 254 index = lppaca_of(i).dyn_hv_phys_proc_index;
255 d = &xIoHriProcessorVpd[index]; 255 d = &xIoHriProcessorVpd[index];
256 256
257 dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024); 257 dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024);
diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
index 6590850045af..6c6029914dbc 100644
--- a/arch/powerpc/platforms/iseries/smp.c
+++ b/arch/powerpc/platforms/iseries/smp.c
@@ -91,7 +91,7 @@ static void smp_iSeries_kick_cpu(int nr)
91 BUG_ON((nr < 0) || (nr >= NR_CPUS)); 91 BUG_ON((nr < 0) || (nr >= NR_CPUS));
92 92
93 /* Verify that our partition has a processor nr */ 93 /* Verify that our partition has a processor nr */
94 if (lppaca[nr].dyn_proc_status >= 2) 94 if (lppaca_of(nr).dyn_proc_status >= 2)
95 return; 95 return;
96 96
97 /* The processor is currently spinning, waiting 97 /* The processor is currently spinning, waiting
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 3fff8d979b41..fe34c3d9bb74 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -358,6 +358,7 @@ static int __init maple_cpc925_edac_setup(void)
358 model = (const unsigned char *)of_get_property(np, "model", NULL); 358 model = (const unsigned char *)of_get_property(np, "model", NULL);
359 if (!model) { 359 if (!model) {
360 printk(KERN_ERR "%s: Unabel to get model info\n", __func__); 360 printk(KERN_ERR "%s: Unabel to get model info\n", __func__);
361 of_node_put(np);
361 return -ENODEV; 362 return -ENODEV;
362 } 363 }
363 364
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index cec635942657..b0c3777528a1 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -837,8 +837,10 @@ struct pmf_function *__pmf_find_function(struct device_node *target,
837 return NULL; 837 return NULL;
838 find_it: 838 find_it:
839 dev = pmf_find_device(actor); 839 dev = pmf_find_device(actor);
840 if (dev == NULL) 840 if (dev == NULL) {
841 return NULL; 841 result = NULL;
842 goto out;
843 }
842 844
843 list_for_each_entry(func, &dev->functions, link) { 845 list_for_each_entry(func, &dev->functions, link) {
844 if (name && strcmp(name, func->name)) 846 if (name && strcmp(name, func->name))
@@ -850,8 +852,9 @@ struct pmf_function *__pmf_find_function(struct device_node *target,
850 result = func; 852 result = func;
851 break; 853 break;
852 } 854 }
853 of_node_put(actor);
854 pmf_put_device(dev); 855 pmf_put_device(dev);
856out:
857 of_node_put(actor);
855 return result; 858 return result;
856} 859}
857 860
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 046ace9c4381..59eb8bdaa79d 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -1,14 +1,9 @@
1ifeq ($(CONFIG_PPC64),y) 1ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
2EXTRA_CFLAGS += -mno-minimal-toc 2ccflags-$(CONFIG_PPC_PSERIES_DEBUG) += -DDEBUG
3endif
4
5ifeq ($(CONFIG_PPC_PSERIES_DEBUG),y)
6EXTRA_CFLAGS += -DDEBUG
7endif
8 3
9obj-y := lpar.o hvCall.o nvram.o reconfig.o \ 4obj-y := lpar.o hvCall.o nvram.o reconfig.o \
10 setup.o iommu.o event_sources.o ras.o \ 5 setup.o iommu.o event_sources.o ras.o \
11 firmware.o power.o dlpar.o 6 firmware.o power.o dlpar.o mobility.o
12obj-$(CONFIG_SMP) += smp.o 7obj-$(CONFIG_SMP) += smp.o
13obj-$(CONFIG_XICS) += xics.o 8obj-$(CONFIG_XICS) += xics.o
14obj-$(CONFIG_SCANLOG) += scanlog.o 9obj-$(CONFIG_SCANLOG) += scanlog.o
@@ -23,7 +18,7 @@ obj-$(CONFIG_MEMORY_HOTPLUG) += hotplug-memory.o
23obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o 18obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o
24obj-$(CONFIG_HVCS) += hvcserver.o 19obj-$(CONFIG_HVCS) += hvcserver.o
25obj-$(CONFIG_HCALL_STATS) += hvCall_inst.o 20obj-$(CONFIG_HCALL_STATS) += hvCall_inst.o
26obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o 21obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o
27obj-$(CONFIG_CMM) += cmm.o 22obj-$(CONFIG_CMM) += cmm.o
28obj-$(CONFIG_DTL) += dtl.o 23obj-$(CONFIG_DTL) += dtl.o
29 24
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 72d8054fa739..b74a9230edc9 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -33,7 +33,7 @@ struct cc_workarea {
33 u32 prop_offset; 33 u32 prop_offset;
34}; 34};
35 35
36static void dlpar_free_cc_property(struct property *prop) 36void dlpar_free_cc_property(struct property *prop)
37{ 37{
38 kfree(prop->name); 38 kfree(prop->name);
39 kfree(prop->value); 39 kfree(prop->value);
@@ -55,13 +55,12 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa)
55 55
56 prop->length = ccwa->prop_length; 56 prop->length = ccwa->prop_length;
57 value = (char *)ccwa + ccwa->prop_offset; 57 value = (char *)ccwa + ccwa->prop_offset;
58 prop->value = kzalloc(prop->length, GFP_KERNEL); 58 prop->value = kmemdup(value, prop->length, GFP_KERNEL);
59 if (!prop->value) { 59 if (!prop->value) {
60 dlpar_free_cc_property(prop); 60 dlpar_free_cc_property(prop);
61 return NULL; 61 return NULL;
62 } 62 }
63 63
64 memcpy(prop->value, value, prop->length);
65 return prop; 64 return prop;
66} 65}
67 66
@@ -102,7 +101,7 @@ static void dlpar_free_one_cc_node(struct device_node *dn)
102 kfree(dn); 101 kfree(dn);
103} 102}
104 103
105static void dlpar_free_cc_nodes(struct device_node *dn) 104void dlpar_free_cc_nodes(struct device_node *dn)
106{ 105{
107 if (dn->child) 106 if (dn->child)
108 dlpar_free_cc_nodes(dn->child); 107 dlpar_free_cc_nodes(dn->child);
diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c
index a00addb55945..c371bc06434b 100644
--- a/arch/powerpc/platforms/pseries/dtl.c
+++ b/arch/powerpc/platforms/pseries/dtl.c
@@ -23,37 +23,22 @@
23#include <linux/init.h> 23#include <linux/init.h>
24#include <linux/slab.h> 24#include <linux/slab.h>
25#include <linux/debugfs.h> 25#include <linux/debugfs.h>
26#include <linux/spinlock.h>
26#include <asm/smp.h> 27#include <asm/smp.h>
27#include <asm/system.h> 28#include <asm/system.h>
28#include <asm/uaccess.h> 29#include <asm/uaccess.h>
29#include <asm/firmware.h> 30#include <asm/firmware.h>
31#include <asm/lppaca.h>
30 32
31#include "plpar_wrappers.h" 33#include "plpar_wrappers.h"
32 34
33/*
34 * Layout of entries in the hypervisor's DTL buffer. Although we don't
35 * actually access the internals of an entry (we only need to know the size),
36 * we might as well define it here for reference.
37 */
38struct dtl_entry {
39 u8 dispatch_reason;
40 u8 preempt_reason;
41 u16 processor_id;
42 u32 enqueue_to_dispatch_time;
43 u32 ready_to_enqueue_time;
44 u32 waiting_to_ready_time;
45 u64 timebase;
46 u64 fault_addr;
47 u64 srr0;
48 u64 srr1;
49};
50
51struct dtl { 35struct dtl {
52 struct dtl_entry *buf; 36 struct dtl_entry *buf;
53 struct dentry *file; 37 struct dentry *file;
54 int cpu; 38 int cpu;
55 int buf_entries; 39 int buf_entries;
56 u64 last_idx; 40 u64 last_idx;
41 spinlock_t lock;
57}; 42};
58static DEFINE_PER_CPU(struct dtl, cpu_dtl); 43static DEFINE_PER_CPU(struct dtl, cpu_dtl);
59 44
@@ -72,25 +57,97 @@ static u8 dtl_event_mask = 0x7;
72static int dtl_buf_entries = (16 * 85); 57static int dtl_buf_entries = (16 * 85);
73 58
74 59
75static int dtl_enable(struct dtl *dtl) 60#ifdef CONFIG_VIRT_CPU_ACCOUNTING
61struct dtl_ring {
62 u64 write_index;
63 struct dtl_entry *write_ptr;
64 struct dtl_entry *buf;
65 struct dtl_entry *buf_end;
66 u8 saved_dtl_mask;
67};
68
69static DEFINE_PER_CPU(struct dtl_ring, dtl_rings);
70
71static atomic_t dtl_count;
72
73/*
74 * The cpu accounting code controls the DTL ring buffer, and we get
75 * given entries as they are processed.
76 */
77static void consume_dtle(struct dtl_entry *dtle, u64 index)
76{ 78{
77 unsigned long addr; 79 struct dtl_ring *dtlr = &__get_cpu_var(dtl_rings);
78 int ret, hwcpu; 80 struct dtl_entry *wp = dtlr->write_ptr;
81 struct lppaca *vpa = local_paca->lppaca_ptr;
79 82
80 /* only allow one reader */ 83 if (!wp)
81 if (dtl->buf) 84 return;
82 return -EBUSY;
83 85
84 /* we need to store the original allocation size for use during read */ 86 *wp = *dtle;
85 dtl->buf_entries = dtl_buf_entries; 87 barrier();
86 88
87 dtl->buf = kmalloc_node(dtl->buf_entries * sizeof(struct dtl_entry), 89 /* check for hypervisor ring buffer overflow, ignore this entry if so */
88 GFP_KERNEL, cpu_to_node(dtl->cpu)); 90 if (index + N_DISPATCH_LOG < vpa->dtl_idx)
89 if (!dtl->buf) { 91 return;
90 printk(KERN_WARNING "%s: buffer alloc failed for cpu %d\n", 92
91 __func__, dtl->cpu); 93 ++wp;
92 return -ENOMEM; 94 if (wp == dtlr->buf_end)
93 } 95 wp = dtlr->buf;
96 dtlr->write_ptr = wp;
97
98 /* incrementing write_index makes the new entry visible */
99 smp_wmb();
100 ++dtlr->write_index;
101}
102
103static int dtl_start(struct dtl *dtl)
104{
105 struct dtl_ring *dtlr = &per_cpu(dtl_rings, dtl->cpu);
106
107 dtlr->buf = dtl->buf;
108 dtlr->buf_end = dtl->buf + dtl->buf_entries;
109 dtlr->write_index = 0;
110
111 /* setting write_ptr enables logging into our buffer */
112 smp_wmb();
113 dtlr->write_ptr = dtl->buf;
114
115 /* enable event logging */
116 dtlr->saved_dtl_mask = lppaca_of(dtl->cpu).dtl_enable_mask;
117 lppaca_of(dtl->cpu).dtl_enable_mask |= dtl_event_mask;
118
119 dtl_consumer = consume_dtle;
120 atomic_inc(&dtl_count);
121 return 0;
122}
123
124static void dtl_stop(struct dtl *dtl)
125{
126 struct dtl_ring *dtlr = &per_cpu(dtl_rings, dtl->cpu);
127
128 dtlr->write_ptr = NULL;
129 smp_wmb();
130
131 dtlr->buf = NULL;
132
133 /* restore dtl_enable_mask */
134 lppaca_of(dtl->cpu).dtl_enable_mask = dtlr->saved_dtl_mask;
135
136 if (atomic_dec_and_test(&dtl_count))
137 dtl_consumer = NULL;
138}
139
140static u64 dtl_current_index(struct dtl *dtl)
141{
142 return per_cpu(dtl_rings, dtl->cpu).write_index;
143}
144
145#else /* CONFIG_VIRT_CPU_ACCOUNTING */
146
147static int dtl_start(struct dtl *dtl)
148{
149 unsigned long addr;
150 int ret, hwcpu;
94 151
95 /* Register our dtl buffer with the hypervisor. The HV expects the 152 /* Register our dtl buffer with the hypervisor. The HV expects the
96 * buffer size to be passed in the second word of the buffer */ 153 * buffer size to be passed in the second word of the buffer */
@@ -102,34 +159,82 @@ static int dtl_enable(struct dtl *dtl)
102 if (ret) { 159 if (ret) {
103 printk(KERN_WARNING "%s: DTL registration for cpu %d (hw %d) " 160 printk(KERN_WARNING "%s: DTL registration for cpu %d (hw %d) "
104 "failed with %d\n", __func__, dtl->cpu, hwcpu, ret); 161 "failed with %d\n", __func__, dtl->cpu, hwcpu, ret);
105 kfree(dtl->buf);
106 return -EIO; 162 return -EIO;
107 } 163 }
108 164
109 /* set our initial buffer indices */ 165 /* set our initial buffer indices */
110 dtl->last_idx = lppaca[dtl->cpu].dtl_idx = 0; 166 lppaca_of(dtl->cpu).dtl_idx = 0;
111 167
112 /* ensure that our updates to the lppaca fields have occurred before 168 /* ensure that our updates to the lppaca fields have occurred before
113 * we actually enable the logging */ 169 * we actually enable the logging */
114 smp_wmb(); 170 smp_wmb();
115 171
116 /* enable event logging */ 172 /* enable event logging */
117 lppaca[dtl->cpu].dtl_enable_mask = dtl_event_mask; 173 lppaca_of(dtl->cpu).dtl_enable_mask = dtl_event_mask;
118 174
119 return 0; 175 return 0;
120} 176}
121 177
122static void dtl_disable(struct dtl *dtl) 178static void dtl_stop(struct dtl *dtl)
123{ 179{
124 int hwcpu = get_hard_smp_processor_id(dtl->cpu); 180 int hwcpu = get_hard_smp_processor_id(dtl->cpu);
125 181
126 lppaca[dtl->cpu].dtl_enable_mask = 0x0; 182 lppaca_of(dtl->cpu).dtl_enable_mask = 0x0;
127 183
128 unregister_dtl(hwcpu, __pa(dtl->buf)); 184 unregister_dtl(hwcpu, __pa(dtl->buf));
185}
186
187static u64 dtl_current_index(struct dtl *dtl)
188{
189 return lppaca_of(dtl->cpu).dtl_idx;
190}
191#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
192
193static int dtl_enable(struct dtl *dtl)
194{
195 long int n_entries;
196 long int rc;
197 struct dtl_entry *buf = NULL;
129 198
199 /* only allow one reader */
200 if (dtl->buf)
201 return -EBUSY;
202
203 n_entries = dtl_buf_entries;
204 buf = kmalloc_node(n_entries * sizeof(struct dtl_entry),
205 GFP_KERNEL, cpu_to_node(dtl->cpu));
206 if (!buf) {
207 printk(KERN_WARNING "%s: buffer alloc failed for cpu %d\n",
208 __func__, dtl->cpu);
209 return -ENOMEM;
210 }
211
212 spin_lock(&dtl->lock);
213 rc = -EBUSY;
214 if (!dtl->buf) {
215 /* store the original allocation size for use during read */
216 dtl->buf_entries = n_entries;
217 dtl->buf = buf;
218 dtl->last_idx = 0;
219 rc = dtl_start(dtl);
220 if (rc)
221 dtl->buf = NULL;
222 }
223 spin_unlock(&dtl->lock);
224
225 if (rc)
226 kfree(buf);
227 return rc;
228}
229
230static void dtl_disable(struct dtl *dtl)
231{
232 spin_lock(&dtl->lock);
233 dtl_stop(dtl);
130 kfree(dtl->buf); 234 kfree(dtl->buf);
131 dtl->buf = NULL; 235 dtl->buf = NULL;
132 dtl->buf_entries = 0; 236 dtl->buf_entries = 0;
237 spin_unlock(&dtl->lock);
133} 238}
134 239
135/* file interface */ 240/* file interface */
@@ -157,8 +262,9 @@ static int dtl_file_release(struct inode *inode, struct file *filp)
157static ssize_t dtl_file_read(struct file *filp, char __user *buf, size_t len, 262static ssize_t dtl_file_read(struct file *filp, char __user *buf, size_t len,
158 loff_t *pos) 263 loff_t *pos)
159{ 264{
160 int rc, cur_idx, last_idx, n_read, n_req, read_size; 265 long int rc, n_read, n_req, read_size;
161 struct dtl *dtl; 266 struct dtl *dtl;
267 u64 cur_idx, last_idx, i;
162 268
163 if ((len % sizeof(struct dtl_entry)) != 0) 269 if ((len % sizeof(struct dtl_entry)) != 0)
164 return -EINVAL; 270 return -EINVAL;
@@ -171,41 +277,48 @@ static ssize_t dtl_file_read(struct file *filp, char __user *buf, size_t len,
171 /* actual number of entries read */ 277 /* actual number of entries read */
172 n_read = 0; 278 n_read = 0;
173 279
174 cur_idx = lppaca[dtl->cpu].dtl_idx; 280 spin_lock(&dtl->lock);
281
282 cur_idx = dtl_current_index(dtl);
175 last_idx = dtl->last_idx; 283 last_idx = dtl->last_idx;
176 284
177 if (cur_idx - last_idx > dtl->buf_entries) { 285 if (last_idx + dtl->buf_entries <= cur_idx)
178 pr_debug("%s: hv buffer overflow for cpu %d, samples lost\n", 286 last_idx = cur_idx - dtl->buf_entries + 1;
179 __func__, dtl->cpu); 287
180 } 288 if (last_idx + n_req > cur_idx)
289 n_req = cur_idx - last_idx;
290
291 if (n_req > 0)
292 dtl->last_idx = last_idx + n_req;
293
294 spin_unlock(&dtl->lock);
295
296 if (n_req <= 0)
297 return 0;
181 298
182 cur_idx %= dtl->buf_entries; 299 i = last_idx % dtl->buf_entries;
183 last_idx %= dtl->buf_entries;
184 300
185 /* read the tail of the buffer if we've wrapped */ 301 /* read the tail of the buffer if we've wrapped */
186 if (last_idx > cur_idx) { 302 if (i + n_req > dtl->buf_entries) {
187 read_size = min(n_req, dtl->buf_entries - last_idx); 303 read_size = dtl->buf_entries - i;
188 304
189 rc = copy_to_user(buf, &dtl->buf[last_idx], 305 rc = copy_to_user(buf, &dtl->buf[i],
190 read_size * sizeof(struct dtl_entry)); 306 read_size * sizeof(struct dtl_entry));
191 if (rc) 307 if (rc)
192 return -EFAULT; 308 return -EFAULT;
193 309
194 last_idx = 0; 310 i = 0;
195 n_req -= read_size; 311 n_req -= read_size;
196 n_read += read_size; 312 n_read += read_size;
197 buf += read_size * sizeof(struct dtl_entry); 313 buf += read_size * sizeof(struct dtl_entry);
198 } 314 }
199 315
200 /* .. and now the head */ 316 /* .. and now the head */
201 read_size = min(n_req, cur_idx - last_idx); 317 rc = copy_to_user(buf, &dtl->buf[i], n_req * sizeof(struct dtl_entry));
202 rc = copy_to_user(buf, &dtl->buf[last_idx],
203 read_size * sizeof(struct dtl_entry));
204 if (rc) 318 if (rc)
205 return -EFAULT; 319 return -EFAULT;
206 320
207 n_read += read_size; 321 n_read += n_req;
208 dtl->last_idx += n_read;
209 322
210 return n_read * sizeof(struct dtl_entry); 323 return n_read * sizeof(struct dtl_entry);
211} 324}
@@ -263,6 +376,7 @@ static int dtl_init(void)
263 /* set up the per-cpu log structures */ 376 /* set up the per-cpu log structures */
264 for_each_possible_cpu(i) { 377 for_each_possible_cpu(i) {
265 struct dtl *dtl = &per_cpu(cpu_dtl, i); 378 struct dtl *dtl = &per_cpu(cpu_dtl, i);
379 spin_lock_init(&dtl->lock);
266 dtl->cpu = i; 380 dtl->cpu = i;
267 381
268 rc = dtl_setup_file(dtl); 382 rc = dtl_setup_file(dtl);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index cf79b46d8f88..f129040d974c 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -248,11 +248,13 @@ void vpa_init(int cpu)
248 int hwcpu = get_hard_smp_processor_id(cpu); 248 int hwcpu = get_hard_smp_processor_id(cpu);
249 unsigned long addr; 249 unsigned long addr;
250 long ret; 250 long ret;
251 struct paca_struct *pp;
252 struct dtl_entry *dtl;
251 253
252 if (cpu_has_feature(CPU_FTR_ALTIVEC)) 254 if (cpu_has_feature(CPU_FTR_ALTIVEC))
253 lppaca[cpu].vmxregs_in_use = 1; 255 lppaca_of(cpu).vmxregs_in_use = 1;
254 256
255 addr = __pa(&lppaca[cpu]); 257 addr = __pa(&lppaca_of(cpu));
256 ret = register_vpa(hwcpu, addr); 258 ret = register_vpa(hwcpu, addr);
257 259
258 if (ret) { 260 if (ret) {
@@ -274,6 +276,25 @@ void vpa_init(int cpu)
274 "registration for cpu %d (hw %d) of area %lx " 276 "registration for cpu %d (hw %d) of area %lx "
275 "returns %ld\n", cpu, hwcpu, addr, ret); 277 "returns %ld\n", cpu, hwcpu, addr, ret);
276 } 278 }
279
280 /*
281 * Register dispatch trace log, if one has been allocated.
282 */
283 pp = &paca[cpu];
284 dtl = pp->dispatch_log;
285 if (dtl) {
286 pp->dtl_ridx = 0;
287 pp->dtl_curr = dtl;
288 lppaca_of(cpu).dtl_idx = 0;
289
290 /* hypervisor reads buffer length from this field */
291 dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES;
292 ret = register_dtl(hwcpu, __pa(dtl));
293 if (ret)
294 pr_warn("DTL registration failed for cpu %d (%ld)\n",
295 cpu, ret);
296 lppaca_of(cpu).dtl_enable_mask = 2;
297 }
277} 298}
278 299
279static long pSeries_lpar_hpte_insert(unsigned long hpte_group, 300static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
new file mode 100644
index 000000000000..3e7f651e50ac
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -0,0 +1,362 @@
1/*
2 * Support for Partition Mobility/Migration
3 *
4 * Copyright (C) 2010 Nathan Fontenot
5 * Copyright (C) 2010 IBM Corporation
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 version
9 * 2 as published by the Free Software Foundation.
10 */
11
12#include <linux/kernel.h>
13#include <linux/kobject.h>
14#include <linux/smp.h>
15#include <linux/completion.h>
16#include <linux/device.h>
17#include <linux/delay.h>
18#include <linux/slab.h>
19
20#include <asm/rtas.h>
21#include "pseries.h"
22
23static struct kobject *mobility_kobj;
24
25struct update_props_workarea {
26 u32 phandle;
27 u32 state;
28 u64 reserved;
29 u32 nprops;
30};
31
32#define NODE_ACTION_MASK 0xff000000
33#define NODE_COUNT_MASK 0x00ffffff
34
35#define DELETE_DT_NODE 0x01000000
36#define UPDATE_DT_NODE 0x02000000
37#define ADD_DT_NODE 0x03000000
38
39static int mobility_rtas_call(int token, char *buf)
40{
41 int rc;
42
43 spin_lock(&rtas_data_buf_lock);
44
45 memcpy(rtas_data_buf, buf, RTAS_DATA_BUF_SIZE);
46 rc = rtas_call(token, 2, 1, NULL, rtas_data_buf, 1);
47 memcpy(buf, rtas_data_buf, RTAS_DATA_BUF_SIZE);
48
49 spin_unlock(&rtas_data_buf_lock);
50 return rc;
51}
52
53static int delete_dt_node(u32 phandle)
54{
55 struct device_node *dn;
56
57 dn = of_find_node_by_phandle(phandle);
58 if (!dn)
59 return -ENOENT;
60
61 dlpar_detach_node(dn);
62 return 0;
63}
64
65static int update_dt_property(struct device_node *dn, struct property **prop,
66 const char *name, u32 vd, char *value)
67{
68 struct property *new_prop = *prop;
69 struct property *old_prop;
70 int more = 0;
71
72 /* A negative 'vd' value indicates that only part of the new property
73 * value is contained in the buffer and we need to call
74 * ibm,update-properties again to get the rest of the value.
75 *
76 * A negative value is also the two's compliment of the actual value.
77 */
78 if (vd & 0x80000000) {
79 vd = ~vd + 1;
80 more = 1;
81 }
82
83 if (new_prop) {
84 /* partial property fixup */
85 char *new_data = kzalloc(new_prop->length + vd, GFP_KERNEL);
86 if (!new_data)
87 return -ENOMEM;
88
89 memcpy(new_data, new_prop->value, new_prop->length);
90 memcpy(new_data + new_prop->length, value, vd);
91
92 kfree(new_prop->value);
93 new_prop->value = new_data;
94 new_prop->length += vd;
95 } else {
96 new_prop = kzalloc(sizeof(*new_prop), GFP_KERNEL);
97 if (!new_prop)
98 return -ENOMEM;
99
100 new_prop->name = kstrdup(name, GFP_KERNEL);
101 if (!new_prop->name) {
102 kfree(new_prop);
103 return -ENOMEM;
104 }
105
106 new_prop->length = vd;
107 new_prop->value = kzalloc(new_prop->length, GFP_KERNEL);
108 if (!new_prop->value) {
109 kfree(new_prop->name);
110 kfree(new_prop);
111 return -ENOMEM;
112 }
113
114 memcpy(new_prop->value, value, vd);
115 *prop = new_prop;
116 }
117
118 if (!more) {
119 old_prop = of_find_property(dn, new_prop->name, NULL);
120 if (old_prop)
121 prom_update_property(dn, new_prop, old_prop);
122 else
123 prom_add_property(dn, new_prop);
124
125 new_prop = NULL;
126 }
127
128 return 0;
129}
130
131static int update_dt_node(u32 phandle)
132{
133 struct update_props_workarea *upwa;
134 struct device_node *dn;
135 struct property *prop = NULL;
136 int i, rc;
137 char *prop_data;
138 char *rtas_buf;
139 int update_properties_token;
140
141 update_properties_token = rtas_token("ibm,update-properties");
142 if (update_properties_token == RTAS_UNKNOWN_SERVICE)
143 return -EINVAL;
144
145 rtas_buf = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
146 if (!rtas_buf)
147 return -ENOMEM;
148
149 dn = of_find_node_by_phandle(phandle);
150 if (!dn) {
151 kfree(rtas_buf);
152 return -ENOENT;
153 }
154
155 upwa = (struct update_props_workarea *)&rtas_buf[0];
156 upwa->phandle = phandle;
157
158 do {
159 rc = mobility_rtas_call(update_properties_token, rtas_buf);
160 if (rc < 0)
161 break;
162
163 prop_data = rtas_buf + sizeof(*upwa);
164
165 for (i = 0; i < upwa->nprops; i++) {
166 char *prop_name;
167 u32 vd;
168
169 prop_name = prop_data + 1;
170 prop_data += strlen(prop_name) + 1;
171 vd = *prop_data++;
172
173 switch (vd) {
174 case 0x00000000:
175 /* name only property, nothing to do */
176 break;
177
178 case 0x80000000:
179 prop = of_find_property(dn, prop_name, NULL);
180 prom_remove_property(dn, prop);
181 prop = NULL;
182 break;
183
184 default:
185 rc = update_dt_property(dn, &prop, prop_name,
186 vd, prop_data);
187 if (rc) {
188 printk(KERN_ERR "Could not update %s"
189 " property\n", prop_name);
190 }
191
192 prop_data += vd;
193 }
194 }
195 } while (rc == 1);
196
197 of_node_put(dn);
198 kfree(rtas_buf);
199 return 0;
200}
201
202static int add_dt_node(u32 parent_phandle, u32 drc_index)
203{
204 struct device_node *dn;
205 struct device_node *parent_dn;
206 int rc;
207
208 dn = dlpar_configure_connector(drc_index);
209 if (!dn)
210 return -ENOENT;
211
212 parent_dn = of_find_node_by_phandle(parent_phandle);
213 if (!parent_dn) {
214 dlpar_free_cc_nodes(dn);
215 return -ENOENT;
216 }
217
218 dn->parent = parent_dn;
219 rc = dlpar_attach_node(dn);
220 if (rc)
221 dlpar_free_cc_nodes(dn);
222
223 of_node_put(parent_dn);
224 return rc;
225}
226
227static int pseries_devicetree_update(void)
228{
229 char *rtas_buf;
230 u32 *data;
231 int update_nodes_token;
232 int rc;
233
234 update_nodes_token = rtas_token("ibm,update-nodes");
235 if (update_nodes_token == RTAS_UNKNOWN_SERVICE)
236 return -EINVAL;
237
238 rtas_buf = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
239 if (!rtas_buf)
240 return -ENOMEM;
241
242 do {
243 rc = mobility_rtas_call(update_nodes_token, rtas_buf);
244 if (rc && rc != 1)
245 break;
246
247 data = (u32 *)rtas_buf + 4;
248 while (*data & NODE_ACTION_MASK) {
249 int i;
250 u32 action = *data & NODE_ACTION_MASK;
251 int node_count = *data & NODE_COUNT_MASK;
252
253 data++;
254
255 for (i = 0; i < node_count; i++) {
256 u32 phandle = *data++;
257 u32 drc_index;
258
259 switch (action) {
260 case DELETE_DT_NODE:
261 delete_dt_node(phandle);
262 break;
263 case UPDATE_DT_NODE:
264 update_dt_node(phandle);
265 break;
266 case ADD_DT_NODE:
267 drc_index = *data++;
268 add_dt_node(phandle, drc_index);
269 break;
270 }
271 }
272 }
273 } while (rc == 1);
274
275 kfree(rtas_buf);
276 return rc;
277}
278
279void post_mobility_fixup(void)
280{
281 int rc;
282 int activate_fw_token;
283
284 rc = pseries_devicetree_update();
285 if (rc) {
286 printk(KERN_ERR "Initial post-mobility device tree update "
287 "failed: %d\n", rc);
288 return;
289 }
290
291 activate_fw_token = rtas_token("ibm,activate-firmware");
292 if (activate_fw_token == RTAS_UNKNOWN_SERVICE) {
293 printk(KERN_ERR "Could not make post-mobility "
294 "activate-fw call.\n");
295 return;
296 }
297
298 rc = rtas_call(activate_fw_token, 0, 1, NULL);
299 if (!rc) {
300 rc = pseries_devicetree_update();
301 if (rc)
302 printk(KERN_ERR "Secondary post-mobility device tree "
303 "update failed: %d\n", rc);
304 } else {
305 printk(KERN_ERR "Post-mobility activate-fw failed: %d\n", rc);
306 return;
307 }
308
309 return;
310}
311
312static ssize_t migrate_store(struct class *class, struct class_attribute *attr,
313 const char *buf, size_t count)
314{
315 struct rtas_args args;
316 u64 streamid;
317 int rc;
318
319 rc = strict_strtoull(buf, 0, &streamid);
320 if (rc)
321 return rc;
322
323 memset(&args, 0, sizeof(args));
324 args.token = rtas_token("ibm,suspend-me");
325 args.nargs = 2;
326 args.nret = 1;
327
328 args.args[0] = streamid >> 32 ;
329 args.args[1] = streamid & 0xffffffff;
330 args.rets = &args.args[args.nargs];
331
332 do {
333 args.rets[0] = 0;
334 rc = rtas_ibm_suspend_me(&args);
335 if (!rc && args.rets[0] == RTAS_NOT_SUSPENDABLE)
336 ssleep(1);
337 } while (!rc && args.rets[0] == RTAS_NOT_SUSPENDABLE);
338
339 if (rc)
340 return rc;
341 else if (args.rets[0])
342 return args.rets[0];
343
344 post_mobility_fixup();
345 return count;
346}
347
348static CLASS_ATTR(migration, S_IWUSR, NULL, migrate_store);
349
350static int __init mobility_sysfs_init(void)
351{
352 int rc;
353
354 mobility_kobj = kobject_create_and_add("mobility", kernel_kobj);
355 if (!mobility_kobj)
356 return -ENOMEM;
357
358 rc = sysfs_create_file(mobility_kobj, &class_attr_migration.attr);
359
360 return rc;
361}
362device_initcall(mobility_sysfs_init);
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 40c93cad91d2..e9f6d2859c3c 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -17,6 +17,8 @@ struct device_node;
17extern void request_event_sources_irqs(struct device_node *np, 17extern void request_event_sources_irqs(struct device_node *np,
18 irq_handler_t handler, const char *name); 18 irq_handler_t handler, const char *name);
19 19
20#include <linux/of.h>
21
20extern void __init fw_feature_init(const char *hypertas, unsigned long len); 22extern void __init fw_feature_init(const char *hypertas, unsigned long len);
21 23
22struct pt_regs; 24struct pt_regs;
@@ -47,4 +49,11 @@ extern unsigned long rtas_poweron_auto;
47 49
48extern void find_udbg_vterm(void); 50extern void find_udbg_vterm(void);
49 51
52/* Dynamic logical Partitioning/Mobility */
53extern void dlpar_free_cc_nodes(struct device_node *);
54extern void dlpar_free_cc_property(struct property *);
55extern struct device_node *dlpar_configure_connector(u32);
56extern int dlpar_attach_node(struct device_node *);
57extern int dlpar_detach_node(struct device_node *);
58
50#endif /* _PSERIES_PSERIES_H */ 59#endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index a6d19e3a505e..d345bfd56bbe 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -273,6 +273,58 @@ static struct notifier_block pci_dn_reconfig_nb = {
273 .notifier_call = pci_dn_reconfig_notifier, 273 .notifier_call = pci_dn_reconfig_notifier,
274}; 274};
275 275
276#ifdef CONFIG_VIRT_CPU_ACCOUNTING
277/*
278 * Allocate space for the dispatch trace log for all possible cpus
279 * and register the buffers with the hypervisor. This is used for
280 * computing time stolen by the hypervisor.
281 */
282static int alloc_dispatch_logs(void)
283{
284 int cpu, ret;
285 struct paca_struct *pp;
286 struct dtl_entry *dtl;
287
288 if (!firmware_has_feature(FW_FEATURE_SPLPAR))
289 return 0;
290
291 for_each_possible_cpu(cpu) {
292 pp = &paca[cpu];
293 dtl = kmalloc_node(DISPATCH_LOG_BYTES, GFP_KERNEL,
294 cpu_to_node(cpu));
295 if (!dtl) {
296 pr_warn("Failed to allocate dispatch trace log for cpu %d\n",
297 cpu);
298 pr_warn("Stolen time statistics will be unreliable\n");
299 break;
300 }
301
302 pp->dtl_ridx = 0;
303 pp->dispatch_log = dtl;
304 pp->dispatch_log_end = dtl + N_DISPATCH_LOG;
305 pp->dtl_curr = dtl;
306 }
307
308 /* Register the DTL for the current (boot) cpu */
309 dtl = get_paca()->dispatch_log;
310 get_paca()->dtl_ridx = 0;
311 get_paca()->dtl_curr = dtl;
312 get_paca()->lppaca_ptr->dtl_idx = 0;
313
314 /* hypervisor reads buffer length from this field */
315 dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES;
316 ret = register_dtl(hard_smp_processor_id(), __pa(dtl));
317 if (ret)
318 pr_warn("DTL registration failed for boot cpu %d (%d)\n",
319 smp_processor_id(), ret);
320 get_paca()->lppaca_ptr->dtl_enable_mask = 2;
321
322 return 0;
323}
324
325early_initcall(alloc_dispatch_logs);
326#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
327
276static void __init pSeries_setup_arch(void) 328static void __init pSeries_setup_arch(void)
277{ 329{
278 /* Discover PIC type and setup ppc_md accordingly */ 330 /* Discover PIC type and setup ppc_md accordingly */
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 67e2c4bdac8f..7b96e5a270ce 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -178,7 +178,7 @@ static int get_irq_server(unsigned int virq, const struct cpumask *cpumask,
178 if (!distribute_irqs) 178 if (!distribute_irqs)
179 return default_server; 179 return default_server;
180 180
181 if (!cpumask_equal(cpumask, cpu_all_mask)) { 181 if (!cpumask_subset(cpu_possible_mask, cpumask)) {
182 int server = cpumask_first_and(cpu_online_mask, cpumask); 182 int server = cpumask_first_and(cpu_online_mask, cpumask);
183 183
184 if (server < nr_cpu_ids) 184 if (server < nr_cpu_ids)
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 5642924fb9fb..0bef9dacb64e 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -1,8 +1,6 @@
1subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 1subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
2 2
3ifeq ($(CONFIG_PPC64),y) 3ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
4EXTRA_CFLAGS += -mno-minimal-toc
5endif
6 4
7mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o mpic_pasemi_msi.o 5mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o mpic_pasemi_msi.o
8obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) 6obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y)
@@ -20,6 +18,7 @@ obj-$(CONFIG_FSL_PMC) += fsl_pmc.o
20obj-$(CONFIG_FSL_LBC) += fsl_lbc.o 18obj-$(CONFIG_FSL_LBC) += fsl_lbc.o
21obj-$(CONFIG_FSL_GTM) += fsl_gtm.o 19obj-$(CONFIG_FSL_GTM) += fsl_gtm.o
22obj-$(CONFIG_MPC8xxx_GPIO) += mpc8xxx_gpio.o 20obj-$(CONFIG_MPC8xxx_GPIO) += mpc8xxx_gpio.o
21obj-$(CONFIG_FSL_85XX_CACHE_SRAM) += fsl_85xx_l2ctlr.o fsl_85xx_cache_sram.o
23obj-$(CONFIG_SIMPLE_GPIO) += simple_gpio.o 22obj-$(CONFIG_SIMPLE_GPIO) += simple_gpio.o
24obj-$(CONFIG_RAPIDIO) += fsl_rio.o 23obj-$(CONFIG_RAPIDIO) += fsl_rio.o
25obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o 24obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 559db2b846a9..17cf15ec38be 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -70,6 +70,8 @@ static int iommu_table_dart_inited;
70static int dart_dirty; 70static int dart_dirty;
71static int dart_is_u4; 71static int dart_is_u4;
72 72
73#define DART_U4_BYPASS_BASE 0x8000000000ull
74
73#define DBG(...) 75#define DBG(...)
74 76
75static inline void dart_tlb_invalidate_all(void) 77static inline void dart_tlb_invalidate_all(void)
@@ -292,12 +294,20 @@ static void iommu_table_dart_setup(void)
292 set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map); 294 set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map);
293} 295}
294 296
295static void pci_dma_dev_setup_dart(struct pci_dev *dev) 297static void dma_dev_setup_dart(struct device *dev)
296{ 298{
297 /* We only have one iommu table on the mac for now, which makes 299 /* We only have one iommu table on the mac for now, which makes
298 * things simple. Setup all PCI devices to point to this table 300 * things simple. Setup all PCI devices to point to this table
299 */ 301 */
300 set_iommu_table_base(&dev->dev, &iommu_table_dart); 302 if (get_dma_ops(dev) == &dma_direct_ops)
303 set_dma_offset(dev, DART_U4_BYPASS_BASE);
304 else
305 set_iommu_table_base(dev, &iommu_table_dart);
306}
307
308static void pci_dma_dev_setup_dart(struct pci_dev *dev)
309{
310 dma_dev_setup_dart(&dev->dev);
301} 311}
302 312
303static void pci_dma_bus_setup_dart(struct pci_bus *bus) 313static void pci_dma_bus_setup_dart(struct pci_bus *bus)
@@ -315,6 +325,45 @@ static void pci_dma_bus_setup_dart(struct pci_bus *bus)
315 PCI_DN(dn)->iommu_table = &iommu_table_dart; 325 PCI_DN(dn)->iommu_table = &iommu_table_dart;
316} 326}
317 327
328static bool dart_device_on_pcie(struct device *dev)
329{
330 struct device_node *np = of_node_get(dev->of_node);
331
332 while(np) {
333 if (of_device_is_compatible(np, "U4-pcie") ||
334 of_device_is_compatible(np, "u4-pcie")) {
335 of_node_put(np);
336 return true;
337 }
338 np = of_get_next_parent(np);
339 }
340 return false;
341}
342
343static int dart_dma_set_mask(struct device *dev, u64 dma_mask)
344{
345 if (!dev->dma_mask || !dma_supported(dev, dma_mask))
346 return -EIO;
347
348 /* U4 supports a DART bypass, we use it for 64-bit capable
349 * devices to improve performances. However, that only works
350 * for devices connected to U4 own PCIe interface, not bridged
351 * through hypertransport. We need the device to support at
352 * least 40 bits of addresses.
353 */
354 if (dart_device_on_pcie(dev) && dma_mask >= DMA_BIT_MASK(40)) {
355 dev_info(dev, "Using 64-bit DMA iommu bypass\n");
356 set_dma_ops(dev, &dma_direct_ops);
357 } else {
358 dev_info(dev, "Using 32-bit DMA via iommu\n");
359 set_dma_ops(dev, &dma_iommu_ops);
360 }
361 dma_dev_setup_dart(dev);
362
363 *dev->dma_mask = dma_mask;
364 return 0;
365}
366
318void __init iommu_init_early_dart(void) 367void __init iommu_init_early_dart(void)
319{ 368{
320 struct device_node *dn; 369 struct device_node *dn;
@@ -328,20 +377,25 @@ void __init iommu_init_early_dart(void)
328 dart_is_u4 = 1; 377 dart_is_u4 = 1;
329 } 378 }
330 379
380 /* Initialize the DART HW */
381 if (dart_init(dn) != 0)
382 goto bail;
383
331 /* Setup low level TCE operations for the core IOMMU code */ 384 /* Setup low level TCE operations for the core IOMMU code */
332 ppc_md.tce_build = dart_build; 385 ppc_md.tce_build = dart_build;
333 ppc_md.tce_free = dart_free; 386 ppc_md.tce_free = dart_free;
334 ppc_md.tce_flush = dart_flush; 387 ppc_md.tce_flush = dart_flush;
335 388
336 /* Initialize the DART HW */ 389 /* Setup bypass if supported */
337 if (dart_init(dn) == 0) { 390 if (dart_is_u4)
338 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart; 391 ppc_md.dma_set_mask = dart_dma_set_mask;
339 ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart;
340 392
341 /* Setup pci_dma ops */ 393 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart;
342 set_pci_dma_ops(&dma_iommu_ops); 394 ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart;
343 return; 395
344 } 396 /* Setup pci_dma ops */
397 set_pci_dma_ops(&dma_iommu_ops);
398 return;
345 399
346 bail: 400 bail:
347 /* If init failed, use direct iommu and null setup functions */ 401 /* If init failed, use direct iommu and null setup functions */
diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h
new file mode 100644
index 000000000000..60c9c0bd5ba2
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h
@@ -0,0 +1,101 @@
1/*
2 * Copyright 2009-2010 Freescale Semiconductor, Inc
3 *
4 * QorIQ based Cache Controller Memory Mapped Registers
5 *
6 * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
7 *
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
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23#ifndef __FSL_85XX_CACHE_CTLR_H__
24#define __FSL_85XX_CACHE_CTLR_H__
25
26#define L2CR_L2FI 0x40000000 /* L2 flash invalidate */
27#define L2CR_L2IO 0x00200000 /* L2 instruction only */
28#define L2CR_SRAM_ZERO 0x00000000 /* L2SRAM zero size */
29#define L2CR_SRAM_FULL 0x00010000 /* L2SRAM full size */
30#define L2CR_SRAM_HALF 0x00020000 /* L2SRAM half size */
31#define L2CR_SRAM_TWO_HALFS 0x00030000 /* L2SRAM two half sizes */
32#define L2CR_SRAM_QUART 0x00040000 /* L2SRAM one quarter size */
33#define L2CR_SRAM_TWO_QUARTS 0x00050000 /* L2SRAM two quarter size */
34#define L2CR_SRAM_EIGHTH 0x00060000 /* L2SRAM one eighth size */
35#define L2CR_SRAM_TWO_EIGHTH 0x00070000 /* L2SRAM two eighth size */
36
37#define L2SRAM_OPTIMAL_SZ_SHIFT 0x00000003 /* Optimum size for L2SRAM */
38
39#define L2SRAM_BAR_MSK_LO18 0xFFFFC000 /* Lower 18 bits */
40#define L2SRAM_BARE_MSK_HI4 0x0000000F /* Upper 4 bits */
41
42enum cache_sram_lock_ways {
43 LOCK_WAYS_ZERO,
44 LOCK_WAYS_EIGHTH,
45 LOCK_WAYS_TWO_EIGHTH,
46 LOCK_WAYS_HALF = 4,
47 LOCK_WAYS_FULL = 8,
48};
49
50struct mpc85xx_l2ctlr {
51 u32 ctl; /* 0x000 - L2 control */
52 u8 res1[0xC];
53 u32 ewar0; /* 0x010 - External write address 0 */
54 u32 ewarea0; /* 0x014 - External write address extended 0 */
55 u32 ewcr0; /* 0x018 - External write ctrl */
56 u8 res2[4];
57 u32 ewar1; /* 0x020 - External write address 1 */
58 u32 ewarea1; /* 0x024 - External write address extended 1 */
59 u32 ewcr1; /* 0x028 - External write ctrl 1 */
60 u8 res3[4];
61 u32 ewar2; /* 0x030 - External write address 2 */
62 u32 ewarea2; /* 0x034 - External write address extended 2 */
63 u32 ewcr2; /* 0x038 - External write ctrl 2 */
64 u8 res4[4];
65 u32 ewar3; /* 0x040 - External write address 3 */
66 u32 ewarea3; /* 0x044 - External write address extended 3 */
67 u32 ewcr3; /* 0x048 - External write ctrl 3 */
68 u8 res5[0xB4];
69 u32 srbar0; /* 0x100 - SRAM base address 0 */
70 u32 srbarea0; /* 0x104 - SRAM base addr reg ext address 0 */
71 u32 srbar1; /* 0x108 - SRAM base address 1 */
72 u32 srbarea1; /* 0x10C - SRAM base addr reg ext address 1 */
73 u8 res6[0xCF0];
74 u32 errinjhi; /* 0xE00 - Error injection mask high */
75 u32 errinjlo; /* 0xE04 - Error injection mask low */
76 u32 errinjctl; /* 0xE08 - Error injection tag/ecc control */
77 u8 res7[0x14];
78 u32 captdatahi; /* 0xE20 - Error data high capture */
79 u32 captdatalo; /* 0xE24 - Error data low capture */
80 u32 captecc; /* 0xE28 - Error syndrome */
81 u8 res8[0x14];
82 u32 errdet; /* 0xE40 - Error detect */
83 u32 errdis; /* 0xE44 - Error disable */
84 u32 errinten; /* 0xE48 - Error interrupt enable */
85 u32 errattr; /* 0xE4c - Error attribute capture */
86 u32 erradrrl; /* 0xE50 - Error address capture low */
87 u32 erradrrh; /* 0xE54 - Error address capture high */
88 u32 errctl; /* 0xE58 - Error control */
89 u8 res9[0x1A4];
90};
91
92struct sram_parameters {
93 unsigned int sram_size;
94 uint64_t sram_offset;
95};
96
97extern int instantiate_cache_sram(struct platform_device *dev,
98 struct sram_parameters sram_params);
99extern void remove_cache_sram(struct platform_device *dev);
100
101#endif /* __FSL_85XX_CACHE_CTLR_H__ */
diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
new file mode 100644
index 000000000000..54fb1922fe30
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
@@ -0,0 +1,159 @@
1/*
2 * Copyright 2009-2010 Freescale Semiconductor, Inc.
3 *
4 * Simple memory allocator abstraction for QorIQ (P1/P2) based Cache-SRAM
5 *
6 * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
7 *
8 * This file is derived from the original work done
9 * by Sylvain Munaut for the Bestcomm SRAM allocator.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#include <linux/kernel.h>
27#include <linux/slab.h>
28#include <linux/err.h>
29#include <linux/of_platform.h>
30#include <asm/pgtable.h>
31#include <asm/fsl_85xx_cache_sram.h>
32
33#include "fsl_85xx_cache_ctlr.h"
34
35struct mpc85xx_cache_sram *cache_sram;
36
37void *mpc85xx_cache_sram_alloc(unsigned int size,
38 phys_addr_t *phys, unsigned int align)
39{
40 unsigned long offset;
41 unsigned long flags;
42
43 if (unlikely(cache_sram == NULL))
44 return NULL;
45
46 if (!size || (size > cache_sram->size) || (align > cache_sram->size)) {
47 pr_err("%s(): size(=%x) or align(=%x) zero or too big\n",
48 __func__, size, align);
49 return NULL;
50 }
51
52 if ((align & (align - 1)) || align <= 1) {
53 pr_err("%s(): align(=%x) must be power of two and >1\n",
54 __func__, align);
55 return NULL;
56 }
57
58 spin_lock_irqsave(&cache_sram->lock, flags);
59 offset = rh_alloc_align(cache_sram->rh, size, align, NULL);
60 spin_unlock_irqrestore(&cache_sram->lock, flags);
61
62 if (IS_ERR_VALUE(offset))
63 return NULL;
64
65 *phys = cache_sram->base_phys + offset;
66
67 return (unsigned char *)cache_sram->base_virt + offset;
68}
69EXPORT_SYMBOL(mpc85xx_cache_sram_alloc);
70
71void mpc85xx_cache_sram_free(void *ptr)
72{
73 unsigned long flags;
74 BUG_ON(!ptr);
75
76 spin_lock_irqsave(&cache_sram->lock, flags);
77 rh_free(cache_sram->rh, ptr - cache_sram->base_virt);
78 spin_unlock_irqrestore(&cache_sram->lock, flags);
79}
80EXPORT_SYMBOL(mpc85xx_cache_sram_free);
81
82int __init instantiate_cache_sram(struct platform_device *dev,
83 struct sram_parameters sram_params)
84{
85 int ret = 0;
86
87 if (cache_sram) {
88 dev_err(&dev->dev, "Already initialized cache-sram\n");
89 return -EBUSY;
90 }
91
92 cache_sram = kzalloc(sizeof(struct mpc85xx_cache_sram), GFP_KERNEL);
93 if (!cache_sram) {
94 dev_err(&dev->dev, "Out of memory for cache_sram structure\n");
95 return -ENOMEM;
96 }
97
98 cache_sram->base_phys = sram_params.sram_offset;
99 cache_sram->size = sram_params.sram_size;
100
101 if (!request_mem_region(cache_sram->base_phys, cache_sram->size,
102 "fsl_85xx_cache_sram")) {
103 dev_err(&dev->dev, "%s: request memory failed\n",
104 dev->dev.of_node->full_name);
105 ret = -ENXIO;
106 goto out_free;
107 }
108
109 cache_sram->base_virt = ioremap_flags(cache_sram->base_phys,
110 cache_sram->size, _PAGE_COHERENT | PAGE_KERNEL);
111 if (!cache_sram->base_virt) {
112 dev_err(&dev->dev, "%s: ioremap_flags failed\n",
113 dev->dev.of_node->full_name);
114 ret = -ENOMEM;
115 goto out_release;
116 }
117
118 cache_sram->rh = rh_create(sizeof(unsigned int));
119 if (IS_ERR(cache_sram->rh)) {
120 dev_err(&dev->dev, "%s: Unable to create remote heap\n",
121 dev->dev.of_node->full_name);
122 ret = PTR_ERR(cache_sram->rh);
123 goto out_unmap;
124 }
125
126 rh_attach_region(cache_sram->rh, 0, cache_sram->size);
127 spin_lock_init(&cache_sram->lock);
128
129 dev_info(&dev->dev, "[base:0x%llx, size:0x%x] configured and loaded\n",
130 (unsigned long long)cache_sram->base_phys, cache_sram->size);
131
132 return 0;
133
134out_unmap:
135 iounmap(cache_sram->base_virt);
136
137out_release:
138 release_mem_region(cache_sram->base_phys, cache_sram->size);
139
140out_free:
141 kfree(cache_sram);
142 return ret;
143}
144
145void remove_cache_sram(struct platform_device *dev)
146{
147 BUG_ON(!cache_sram);
148
149 rh_detach_region(cache_sram->rh, 0, cache_sram->size);
150 rh_destroy(cache_sram->rh);
151
152 iounmap(cache_sram->base_virt);
153 release_mem_region(cache_sram->base_phys, cache_sram->size);
154
155 kfree(cache_sram);
156 cache_sram = NULL;
157
158 dev_info(&dev->dev, "MPC85xx Cache-SRAM driver unloaded\n");
159}
diff --git a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
new file mode 100644
index 000000000000..cc8d6556d799
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
@@ -0,0 +1,231 @@
1/*
2 * Copyright 2009-2010 Freescale Semiconductor, Inc.
3 *
4 * QorIQ (P1/P2) L2 controller init for Cache-SRAM instantiation
5 *
6 * Author: Vivek Mahajan <vivek.mahajan@freescale.com>
7 *
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
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23#include <linux/kernel.h>
24#include <linux/of_platform.h>
25#include <asm/io.h>
26
27#include "fsl_85xx_cache_ctlr.h"
28
29static char *sram_size;
30static char *sram_offset;
31struct mpc85xx_l2ctlr __iomem *l2ctlr;
32
33static long get_cache_sram_size(void)
34{
35 unsigned long val;
36
37 if (!sram_size || (strict_strtoul(sram_size, 0, &val) < 0))
38 return -EINVAL;
39
40 return val;
41}
42
43static long get_cache_sram_offset(void)
44{
45 unsigned long val;
46
47 if (!sram_offset || (strict_strtoul(sram_offset, 0, &val) < 0))
48 return -EINVAL;
49
50 return val;
51}
52
53static int __init get_size_from_cmdline(char *str)
54{
55 if (!str)
56 return 0;
57
58 sram_size = str;
59 return 1;
60}
61
62static int __init get_offset_from_cmdline(char *str)
63{
64 if (!str)
65 return 0;
66
67 sram_offset = str;
68 return 1;
69}
70
71__setup("cache-sram-size=", get_size_from_cmdline);
72__setup("cache-sram-offset=", get_offset_from_cmdline);
73
74static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev,
75 const struct of_device_id *match)
76{
77 long rval;
78 unsigned int rem;
79 unsigned char ways;
80 const unsigned int *prop;
81 unsigned int l2cache_size;
82 struct sram_parameters sram_params;
83
84 if (!dev->dev.of_node) {
85 dev_err(&dev->dev, "Device's OF-node is NULL\n");
86 return -EINVAL;
87 }
88
89 prop = of_get_property(dev->dev.of_node, "cache-size", NULL);
90 if (!prop) {
91 dev_err(&dev->dev, "Missing L2 cache-size\n");
92 return -EINVAL;
93 }
94 l2cache_size = *prop;
95
96 sram_params.sram_size = get_cache_sram_size();
97 if (sram_params.sram_size <= 0) {
98 dev_err(&dev->dev,
99 "Entire L2 as cache, Aborting Cache-SRAM stuff\n");
100 return -EINVAL;
101 }
102
103 sram_params.sram_offset = get_cache_sram_offset();
104 if (sram_params.sram_offset <= 0) {
105 dev_err(&dev->dev,
106 "Entire L2 as cache, provide a valid sram offset\n");
107 return -EINVAL;
108 }
109
110
111 rem = l2cache_size % sram_params.sram_size;
112 ways = LOCK_WAYS_FULL * sram_params.sram_size / l2cache_size;
113 if (rem || (ways & (ways - 1))) {
114 dev_err(&dev->dev, "Illegal cache-sram-size in command line\n");
115 return -EINVAL;
116 }
117
118 l2ctlr = of_iomap(dev->dev.of_node, 0);
119 if (!l2ctlr) {
120 dev_err(&dev->dev, "Can't map L2 controller\n");
121 return -EINVAL;
122 }
123
124 /*
125 * Write bits[0-17] to srbar0
126 */
127 out_be32(&l2ctlr->srbar0,
128 sram_params.sram_offset & L2SRAM_BAR_MSK_LO18);
129
130 /*
131 * Write bits[18-21] to srbare0
132 */
133#ifdef CONFIG_PHYS_64BIT
134 out_be32(&l2ctlr->srbarea0,
135 (sram_params.sram_offset >> 32) & L2SRAM_BARE_MSK_HI4);
136#endif
137
138 clrsetbits_be32(&l2ctlr->ctl, L2CR_L2E, L2CR_L2FI);
139
140 switch (ways) {
141 case LOCK_WAYS_EIGHTH:
142 setbits32(&l2ctlr->ctl,
143 L2CR_L2E | L2CR_L2FI | L2CR_SRAM_EIGHTH);
144 break;
145
146 case LOCK_WAYS_TWO_EIGHTH:
147 setbits32(&l2ctlr->ctl,
148 L2CR_L2E | L2CR_L2FI | L2CR_SRAM_QUART);
149 break;
150
151 case LOCK_WAYS_HALF:
152 setbits32(&l2ctlr->ctl,
153 L2CR_L2E | L2CR_L2FI | L2CR_SRAM_HALF);
154 break;
155
156 case LOCK_WAYS_FULL:
157 default:
158 setbits32(&l2ctlr->ctl,
159 L2CR_L2E | L2CR_L2FI | L2CR_SRAM_FULL);
160 break;
161 }
162 eieio();
163
164 rval = instantiate_cache_sram(dev, sram_params);
165 if (rval < 0) {
166 dev_err(&dev->dev, "Can't instantiate Cache-SRAM\n");
167 iounmap(l2ctlr);
168 return -EINVAL;
169 }
170
171 return 0;
172}
173
174static int __devexit mpc85xx_l2ctlr_of_remove(struct platform_device *dev)
175{
176 BUG_ON(!l2ctlr);
177
178 iounmap(l2ctlr);
179 remove_cache_sram(dev);
180 dev_info(&dev->dev, "MPC85xx L2 controller unloaded\n");
181
182 return 0;
183}
184
185static struct of_device_id mpc85xx_l2ctlr_of_match[] = {
186 {
187 .compatible = "fsl,p2020-l2-cache-controller",
188 },
189 {
190 .compatible = "fsl,p2010-l2-cache-controller",
191 },
192 {
193 .compatible = "fsl,p1020-l2-cache-controller",
194 },
195 {
196 .compatible = "fsl,p1011-l2-cache-controller",
197 },
198 {
199 .compatible = "fsl,p1013-l2-cache-controller",
200 },
201 {
202 .compatible = "fsl,p1022-l2-cache-controller",
203 },
204 {},
205};
206
207static struct of_platform_driver mpc85xx_l2ctlr_of_platform_driver = {
208 .driver = {
209 .name = "fsl-l2ctlr",
210 .owner = THIS_MODULE,
211 .of_match_table = mpc85xx_l2ctlr_of_match,
212 },
213 .probe = mpc85xx_l2ctlr_of_probe,
214 .remove = __devexit_p(mpc85xx_l2ctlr_of_remove),
215};
216
217static __init int mpc85xx_l2ctlr_of_init(void)
218{
219 return of_register_platform_driver(&mpc85xx_l2ctlr_of_platform_driver);
220}
221
222static void __exit mpc85xx_l2ctlr_of_exit(void)
223{
224 of_unregister_platform_driver(&mpc85xx_l2ctlr_of_platform_driver);
225}
226
227subsys_initcall(mpc85xx_l2ctlr_of_init);
228module_exit(mpc85xx_l2ctlr_of_exit);
229
230MODULE_DESCRIPTION("Freescale MPC85xx L2 controller init");
231MODULE_LICENSE("GPL v2");
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index bdbd896c89d8..108d76fa8f1c 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -24,6 +24,7 @@
24#include <asm/ppc-pci.h> 24#include <asm/ppc-pci.h>
25#include <asm/mpic.h> 25#include <asm/mpic.h>
26#include "fsl_msi.h" 26#include "fsl_msi.h"
27#include "fsl_pci.h"
27 28
28LIST_HEAD(msi_head); 29LIST_HEAD(msi_head);
29 30
@@ -125,13 +126,11 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq,
125{ 126{
126 struct fsl_msi *msi_data = fsl_msi_data; 127 struct fsl_msi *msi_data = fsl_msi_data;
127 struct pci_controller *hose = pci_bus_to_host(pdev->bus); 128 struct pci_controller *hose = pci_bus_to_host(pdev->bus);
128 u32 base = 0; 129 u64 base = fsl_pci_immrbar_base(hose);
129 130
130 pci_bus_read_config_dword(hose->bus, 131 msg->address_lo = msi_data->msi_addr_lo + lower_32_bits(base);
131 PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base); 132 msg->address_hi = msi_data->msi_addr_hi + upper_32_bits(base);
132 133
133 msg->address_lo = msi_data->msi_addr_lo + base;
134 msg->address_hi = msi_data->msi_addr_hi;
135 msg->data = hwirq; 134 msg->data = hwirq;
136 135
137 pr_debug("%s: allocated srs: %d, ibs: %d\n", 136 pr_debug("%s: allocated srs: %d, ibs: %d\n",
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 4ae933225251..818f7c6c8fa1 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * MPC83xx/85xx/86xx PCI/PCIE support routing. 2 * MPC83xx/85xx/86xx PCI/PCIE support routing.
3 * 3 *
4 * Copyright 2007-2009 Freescale Semiconductor, Inc. 4 * Copyright 2007-2010 Freescale Semiconductor, Inc.
5 * Copyright 2008-2009 MontaVista Software, Inc. 5 * Copyright 2008-2009 MontaVista Software, Inc.
6 * 6 *
7 * Initial author: Xianghua Xiao <x.xiao@freescale.com> 7 * Initial author: Xianghua Xiao <x.xiao@freescale.com>
@@ -34,7 +34,7 @@
34#include <sysdev/fsl_soc.h> 34#include <sysdev/fsl_soc.h>
35#include <sysdev/fsl_pci.h> 35#include <sysdev/fsl_pci.h>
36 36
37static int fsl_pcie_bus_fixup; 37static int fsl_pcie_bus_fixup, is_mpc83xx_pci;
38 38
39static void __init quirk_fsl_pcie_header(struct pci_dev *dev) 39static void __init quirk_fsl_pcie_header(struct pci_dev *dev)
40{ 40{
@@ -407,10 +407,18 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010E, quirk_fsl_pcie_header);
407DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header); 407DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header);
408DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header); 408DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header);
409DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header); 409DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header);
410DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2040E, quirk_fsl_pcie_header);
411DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2040, quirk_fsl_pcie_header);
412DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P3041E, quirk_fsl_pcie_header);
413DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P3041, quirk_fsl_pcie_header);
410DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header); 414DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header);
411DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header); 415DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header);
412DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header); 416DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header);
413DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header); 417DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header);
418DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5010E, quirk_fsl_pcie_header);
419DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5010, quirk_fsl_pcie_header);
420DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5020E, quirk_fsl_pcie_header);
421DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5020, quirk_fsl_pcie_header);
414#endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */ 422#endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */
415 423
416#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x) 424#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)
@@ -430,6 +438,13 @@ struct mpc83xx_pcie_priv {
430 u32 dev_base; 438 u32 dev_base;
431}; 439};
432 440
441struct pex_inbound_window {
442 u32 ar;
443 u32 tar;
444 u32 barl;
445 u32 barh;
446};
447
433/* 448/*
434 * With the convention of u-boot, the PCIE outbound window 0 serves 449 * With the convention of u-boot, the PCIE outbound window 0 serves
435 * as configuration transactions outbound. 450 * as configuration transactions outbound.
@@ -437,6 +452,8 @@ struct mpc83xx_pcie_priv {
437#define PEX_OUTWIN0_BAR 0xCA4 452#define PEX_OUTWIN0_BAR 0xCA4
438#define PEX_OUTWIN0_TAL 0xCA8 453#define PEX_OUTWIN0_TAL 0xCA8
439#define PEX_OUTWIN0_TAH 0xCAC 454#define PEX_OUTWIN0_TAH 0xCAC
455#define PEX_RC_INWIN_BASE 0xE60
456#define PEX_RCIWARn_EN 0x1
440 457
441static int mpc83xx_pcie_exclude_device(struct pci_bus *bus, unsigned int devfn) 458static int mpc83xx_pcie_exclude_device(struct pci_bus *bus, unsigned int devfn)
442{ 459{
@@ -604,6 +621,8 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
604 const int *bus_range; 621 const int *bus_range;
605 int primary; 622 int primary;
606 623
624 is_mpc83xx_pci = 1;
625
607 if (!of_device_is_available(dev)) { 626 if (!of_device_is_available(dev)) {
608 pr_warning("%s: disabled by the firmware.\n", 627 pr_warning("%s: disabled by the firmware.\n",
609 dev->full_name); 628 dev->full_name);
@@ -683,3 +702,40 @@ err0:
683 return ret; 702 return ret;
684} 703}
685#endif /* CONFIG_PPC_83xx */ 704#endif /* CONFIG_PPC_83xx */
705
706u64 fsl_pci_immrbar_base(struct pci_controller *hose)
707{
708#ifdef CONFIG_PPC_83xx
709 if (is_mpc83xx_pci) {
710 struct mpc83xx_pcie_priv *pcie = hose->dn->data;
711 struct pex_inbound_window *in;
712 int i;
713
714 /* Walk the Root Complex Inbound windows to match IMMR base */
715 in = pcie->cfg_type0 + PEX_RC_INWIN_BASE;
716 for (i = 0; i < 4; i++) {
717 /* not enabled, skip */
718 if (!in_le32(&in[i].ar) & PEX_RCIWARn_EN)
719 continue;
720
721 if (get_immrbase() == in_le32(&in[i].tar))
722 return (u64)in_le32(&in[i].barh) << 32 |
723 in_le32(&in[i].barl);
724 }
725
726 printk(KERN_WARNING "could not find PCI BAR matching IMMR\n");
727 }
728#endif
729
730#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
731 if (!is_mpc83xx_pci) {
732 u32 base;
733
734 pci_bus_read_config_dword(hose->bus,
735 PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base);
736 return base;
737 }
738#endif
739
740 return 0;
741}
diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h
index a9d8bbebed80..8ad72a11f77b 100644
--- a/arch/powerpc/sysdev/fsl_pci.h
+++ b/arch/powerpc/sysdev/fsl_pci.h
@@ -88,6 +88,7 @@ struct ccsr_pci {
88extern int fsl_add_bridge(struct device_node *dev, int is_primary); 88extern int fsl_add_bridge(struct device_node *dev, int is_primary);
89extern void fsl_pcibios_fixup_bus(struct pci_bus *bus); 89extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
90extern int mpc83xx_add_bridge(struct device_node *dev); 90extern int mpc83xx_add_bridge(struct device_node *dev);
91u64 fsl_pci_immrbar_base(struct pci_controller *hose);
91 92
92#endif /* __POWERPC_FSL_PCI_H */ 93#endif /* __POWERPC_FSL_PCI_H */
93#endif /* __KERNEL__ */ 94#endif /* __KERNEL__ */
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 3017532319c8..412763672d23 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -117,44 +117,59 @@ struct rio_atmu_regs {
117}; 117};
118 118
119struct rio_msg_regs { 119struct rio_msg_regs {
120 u32 omr; 120 u32 omr; /* 0xD_3000 - Outbound message 0 mode register */
121 u32 osr; 121 u32 osr; /* 0xD_3004 - Outbound message 0 status register */
122 u32 pad1; 122 u32 pad1;
123 u32 odqdpar; 123 u32 odqdpar; /* 0xD_300C - Outbound message 0 descriptor queue
124 dequeue pointer address register */
124 u32 pad2; 125 u32 pad2;
125 u32 osar; 126 u32 osar; /* 0xD_3014 - Outbound message 0 source address
126 u32 odpr; 127 register */
127 u32 odatr; 128 u32 odpr; /* 0xD_3018 - Outbound message 0 destination port
128 u32 odcr; 129 register */
130 u32 odatr; /* 0xD_301C - Outbound message 0 destination attributes
131 Register*/
132 u32 odcr; /* 0xD_3020 - Outbound message 0 double-word count
133 register */
129 u32 pad3; 134 u32 pad3;
130 u32 odqepar; 135 u32 odqepar; /* 0xD_3028 - Outbound message 0 descriptor queue
136 enqueue pointer address register */
131 u32 pad4[13]; 137 u32 pad4[13];
132 u32 imr; 138 u32 imr; /* 0xD_3060 - Inbound message 0 mode register */
133 u32 isr; 139 u32 isr; /* 0xD_3064 - Inbound message 0 status register */
134 u32 pad5; 140 u32 pad5;
135 u32 ifqdpar; 141 u32 ifqdpar; /* 0xD_306C - Inbound message 0 frame queue dequeue
142 pointer address register*/
136 u32 pad6; 143 u32 pad6;
137 u32 ifqepar; 144 u32 ifqepar; /* 0xD_3074 - Inbound message 0 frame queue enqueue
145 pointer address register */
138 u32 pad7[226]; 146 u32 pad7[226];
139 u32 odmr; 147 u32 odmr; /* 0xD_3400 - Outbound doorbell mode register */
140 u32 odsr; 148 u32 odsr; /* 0xD_3404 - Outbound doorbell status register */
141 u32 res0[4]; 149 u32 res0[4];
142 u32 oddpr; 150 u32 oddpr; /* 0xD_3418 - Outbound doorbell destination port
143 u32 oddatr; 151 register */
152 u32 oddatr; /* 0xD_341c - Outbound doorbell destination attributes
153 register */
144 u32 res1[3]; 154 u32 res1[3];
145 u32 odretcr; 155 u32 odretcr; /* 0xD_342C - Outbound doorbell retry error threshold
156 configuration register */
146 u32 res2[12]; 157 u32 res2[12];
147 u32 dmr; 158 u32 dmr; /* 0xD_3460 - Inbound doorbell mode register */
148 u32 dsr; 159 u32 dsr; /* 0xD_3464 - Inbound doorbell status register */
149 u32 pad8; 160 u32 pad8;
150 u32 dqdpar; 161 u32 dqdpar; /* 0xD_346C - Inbound doorbell queue dequeue Pointer
162 address register */
151 u32 pad9; 163 u32 pad9;
152 u32 dqepar; 164 u32 dqepar; /* 0xD_3474 - Inbound doorbell Queue enqueue pointer
165 address register */
153 u32 pad10[26]; 166 u32 pad10[26];
154 u32 pwmr; 167 u32 pwmr; /* 0xD_34E0 - Inbound port-write mode register */
155 u32 pwsr; 168 u32 pwsr; /* 0xD_34E4 - Inbound port-write status register */
156 u32 epwqbar; 169 u32 epwqbar; /* 0xD_34E8 - Extended Port-Write Queue Base Address
157 u32 pwqbar; 170 register */
171 u32 pwqbar; /* 0xD_34EC - Inbound port-write queue base address
172 register */
158}; 173};
159 174
160struct rio_tx_desc { 175struct rio_tx_desc {
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index b91f7acdda6f..6c67d9ebf166 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -378,17 +378,23 @@ static __be32 __iomem *rstcr;
378static int __init setup_rstcr(void) 378static int __init setup_rstcr(void)
379{ 379{
380 struct device_node *np; 380 struct device_node *np;
381 np = of_find_node_by_name(NULL, "global-utilities"); 381
382 if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { 382 for_each_node_by_name(np, "global-utilities") {
383 rstcr = of_iomap(np, 0) + 0xb0; 383 if ((of_get_property(np, "fsl,has-rstcr", NULL))) {
384 if (!rstcr) 384 rstcr = of_iomap(np, 0) + 0xb0;
385 printk (KERN_EMERG "Error: reset control register " 385 if (!rstcr)
386 "not mapped!\n"); 386 printk (KERN_ERR "Error: reset control "
387 } else if (ppc_md.restart == fsl_rstcr_restart) 387 "register not mapped!\n");
388 break;
389 }
390 }
391
392 if (!rstcr && ppc_md.restart == fsl_rstcr_restart)
388 printk(KERN_ERR "No RSTCR register, warm reboot won't work\n"); 393 printk(KERN_ERR "No RSTCR register, warm reboot won't work\n");
389 394
390 if (np) 395 if (np)
391 of_node_put(np); 396 of_node_put(np);
397
392 return 0; 398 return 0;
393} 399}
394 400
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c
index 2b69084d0f0c..c0ea05e87f1d 100644
--- a/arch/powerpc/sysdev/mpc8xxx_gpio.c
+++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c
@@ -330,6 +330,9 @@ static int __init mpc8xxx_add_gpiochips(void)
330 for_each_compatible_node(np, NULL, "fsl,mpc8610-gpio") 330 for_each_compatible_node(np, NULL, "fsl,mpc8610-gpio")
331 mpc8xxx_add_controller(np); 331 mpc8xxx_add_controller(np);
332 332
333 for_each_compatible_node(np, NULL, "fsl,qoriq-gpio")
334 mpc8xxx_add_controller(np);
335
333 return 0; 336 return 0;
334} 337}
335arch_initcall(mpc8xxx_add_gpiochips); 338arch_initcall(mpc8xxx_add_gpiochips);
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index 24a0bb955b18..4260f368db52 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -114,7 +114,7 @@ static void pmi_notify_handlers(struct work_struct *work)
114 114
115 spin_lock(&data->handler_spinlock); 115 spin_lock(&data->handler_spinlock);
116 list_for_each_entry(handler, &data->handler, node) { 116 list_for_each_entry(handler, &data->handler, node) {
117 pr_debug(KERN_INFO "pmi: notifying handler %p\n", handler); 117 pr_debug("pmi: notifying handler %p\n", handler);
118 if (handler->type == data->msg.type) 118 if (handler->type == data->msg.type)
119 handler->handle_pmi_message(data->msg); 119 handler->handle_pmi_message(data->msg);
120 } 120 }
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index faa81b6a6612..c168c54e3c40 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -4,9 +4,7 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
4 4
5GCOV_PROFILE := n 5GCOV_PROFILE := n
6 6
7ifdef CONFIG_PPC64 7ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
8EXTRA_CFLAGS += -mno-minimal-toc
9endif
10 8
11obj-y += xmon.o start.o nonstdio.o 9obj-y += xmon.o start.o nonstdio.o
12 10
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-29 06:16:13 -0500