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-rw-r--r--arch/h8300/kernel/process.c2
-rw-r--r--arch/i386/Kconfig2
-rw-r--r--arch/i386/kernel/cpu/amd.c9
-rw-r--r--arch/i386/kernel/cpu/common.c5
-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig14
-rw-r--r--arch/i386/kernel/cpu/cpufreq/Makefile1
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c58
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k7.c11
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c113
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.h15
-rw-r--r--arch/i386/kernel/cpu/cpufreq/sc520_freq.c186
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c6
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-lib.c6
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-smi.c3
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c2
-rw-r--r--arch/i386/kernel/setup.c2
-rw-r--r--arch/i386/kernel/smpboot.c5
-rw-r--r--arch/i386/kernel/timers/common.c6
-rw-r--r--arch/i386/kernel/timers/timer_tsc.c20
-rw-r--r--arch/i386/mach-voyager/voyager_smp.c17
-rw-r--r--arch/i386/mm/ioremap.c10
-rw-r--r--arch/i386/pci/irq.c5
-rw-r--r--arch/ia64/ia32/sys_ia32.c2
-rw-r--r--arch/ia64/kernel/entry.S4
-rw-r--r--arch/ia64/kernel/mca.c8
-rw-r--r--arch/ia64/kernel/minstate.h3
-rw-r--r--arch/ia64/kernel/perfmon.c175
-rw-r--r--arch/ia64/kernel/ptrace.c20
-rw-r--r--arch/ia64/kernel/smpboot.c2
-rw-r--r--arch/ia64/kernel/sys_ia64.c7
-rw-r--r--arch/ia64/sn/kernel/setup.c2
-rw-r--r--arch/ppc/Kconfig4
-rw-r--r--arch/ppc/boot/images/Makefile3
-rw-r--r--arch/ppc/configs/mpc8555_cds_defconfig117
-rw-r--r--arch/ppc/kernel/head_44x.S15
-rw-r--r--arch/ppc/kernel/head_fsl_booke.S15
-rw-r--r--arch/ppc/kernel/setup.c2
-rw-r--r--arch/ppc/kernel/traps.c7
-rw-r--r--arch/ppc/lib/string.S7
-rw-r--r--arch/ppc/mm/init.c1
-rw-r--r--arch/ppc/platforms/83xx/mpc834x_sys.c1
-rw-r--r--arch/ppc/platforms/83xx/mpc834x_sys.h7
-rw-r--r--arch/ppc/platforms/85xx/mpc8540_ads.c3
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.c143
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.h3
-rw-r--r--arch/ppc/platforms/85xx/sbc8560.c3
-rw-r--r--arch/ppc/platforms/pmac_cpufreq.c36
-rw-r--r--arch/ppc/platforms/pq2ads.h41
-rw-r--r--arch/ppc/syslib/Makefile4
-rw-r--r--arch/ppc/syslib/ipic.c2
-rw-r--r--arch/ppc/syslib/m8260_pci.c193
-rw-r--r--arch/ppc/syslib/m8260_pci.h76
-rw-r--r--arch/ppc/syslib/m8260_pci_erratum9.c10
-rw-r--r--arch/ppc/syslib/m8260_setup.c11
-rw-r--r--arch/ppc/syslib/m82xx_pci.c383
-rw-r--r--arch/ppc/syslib/m82xx_pci.h92
-rw-r--r--arch/ppc/syslib/mpc83xx_devices.c1
-rw-r--r--arch/ppc/syslib/mpc85xx_devices.c1
-rw-r--r--arch/ppc/syslib/open_pic.c6
-rw-r--r--arch/ppc/syslib/ppc83xx_setup.c28
-rw-r--r--arch/ppc/syslib/ppc85xx_setup.c16
-rw-r--r--arch/ppc/syslib/prom_init.c10
-rw-r--r--arch/ppc64/kernel/mf.c85
-rw-r--r--arch/ppc64/kernel/pSeries_reconfig.c8
-rw-r--r--arch/ppc64/kernel/pmac_smp.c28
-rw-r--r--arch/ppc64/kernel/prom_init.c60
-rw-r--r--arch/ppc64/kernel/rtc.c39
-rw-r--r--arch/ppc64/kernel/time.c3
-rw-r--r--arch/sparc64/kernel/pci_iommu.c221
-rw-r--r--arch/sparc64/kernel/pci_psycho.c2
-rw-r--r--arch/sparc64/kernel/pci_sabre.c2
-rw-r--r--arch/sparc64/kernel/pci_schizo.c2
-rw-r--r--arch/sparc64/kernel/sbus.c41
-rw-r--r--arch/sparc64/kernel/setup.c11
-rw-r--r--arch/sparc64/kernel/smp.c3
-rw-r--r--arch/sparc64/kernel/traps.c19
-rw-r--r--arch/um/Kconfig.debug4
-rw-r--r--arch/um/Kconfig_x86_644
-rw-r--r--arch/um/drivers/chan_kern.c22
-rw-r--r--arch/um/drivers/mcast_kern.c4
-rw-r--r--arch/um/drivers/mcast_user.c47
-rw-r--r--arch/um/drivers/random.c16
-rw-r--r--arch/um/drivers/ssl.c1
-rw-r--r--arch/um/drivers/stdio_console.c1
-rw-r--r--arch/um/drivers/ubd_kern.c303
-rw-r--r--arch/um/include/2_5compat.h24
-rw-r--r--arch/um/include/sysdep-i386/ptrace.h2
-rw-r--r--arch/um/include/sysdep-x86_64/checksum.h26
-rw-r--r--arch/um/include/sysdep-x86_64/ptrace.h62
-rw-r--r--arch/um/include/sysrq.h3
-rw-r--r--arch/um/kernel/Makefile2
-rw-r--r--arch/um/kernel/checksum.c0
-rw-r--r--arch/um/kernel/exec_kern.c1
-rw-r--r--arch/um/kernel/initrd.c (renamed from arch/um/kernel/initrd_kern.c)21
-rw-r--r--arch/um/kernel/initrd_user.c46
-rw-r--r--arch/um/kernel/ksyms.c1
-rw-r--r--arch/um/kernel/main.c40
-rw-r--r--arch/um/kernel/mem.c40
-rw-r--r--arch/um/kernel/process_kern.c36
-rw-r--r--arch/um/kernel/ptrace.c25
-rw-r--r--arch/um/kernel/sysrq.c21
-rw-r--r--arch/um/kernel/trap_kern.c37
-rw-r--r--arch/um/kernel/tt/ksyms.c1
-rw-r--r--arch/um/kernel/tt/process_kern.c8
-rw-r--r--arch/um/kernel/um_arch.c6
-rw-r--r--arch/um/kernel/uml.lds.S2
-rw-r--r--arch/um/sys-i386/Makefile4
-rw-r--r--arch/um/sys-i386/delay.c16
-rw-r--r--arch/um/sys-i386/sysrq.c80
-rw-r--r--arch/um/sys-ppc/sysrq.c14
-rw-r--r--arch/um/sys-x86_64/Makefile6
-rw-r--r--arch/um/sys-x86_64/delay.c33
-rw-r--r--arch/um/sys-x86_64/ksyms.c3
-rw-r--r--arch/um/sys-x86_64/ptrace.c9
-rw-r--r--arch/um/sys-x86_64/syscalls.c17
-rw-r--r--arch/um/sys-x86_64/sysrq.c11
-rw-r--r--arch/um/sys-x86_64/user-offsets.c8
-rw-r--r--arch/x86_64/Kconfig3
-rw-r--r--arch/x86_64/kernel/io_apic.c12
-rw-r--r--arch/x86_64/kernel/mpparse.c1
-rw-r--r--arch/x86_64/kernel/ptrace.c4
-rw-r--r--arch/x86_64/kernel/setup.c25
-rw-r--r--arch/x86_64/kernel/signal.c5
-rw-r--r--arch/x86_64/kernel/smpboot.c1
-rw-r--r--arch/x86_64/kernel/time.c2
-rw-r--r--arch/x86_64/kernel/traps.c2
-rw-r--r--arch/x86_64/kernel/x8664_ksyms.c3
-rw-r--r--arch/x86_64/mm/ioremap.c29
128 files changed, 2187 insertions, 1393 deletions
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index 134aec1c6d19..b5f83e9f04db 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -54,7 +54,7 @@ asmlinkage void ret_from_fork(void);
54void default_idle(void) 54void default_idle(void)
55{ 55{
56 while(1) { 56 while(1) {
57 if (need_resched()) { 57 if (!need_resched()) {
58 local_irq_enable(); 58 local_irq_enable();
59 __asm__("sleep"); 59 __asm__("sleep");
60 local_irq_disable(); 60 local_irq_disable();
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index e382f32d435e..dfd904f6883b 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1163,7 +1163,7 @@ config PCI_DIRECT
1163 1163
1164config PCI_MMCONFIG 1164config PCI_MMCONFIG
1165 bool 1165 bool
1166 depends on PCI && (PCI_GOMMCONFIG || (PCI_GOANY && ACPI)) 1166 depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
1167 select ACPI_BOOT 1167 select ACPI_BOOT
1168 default y 1168 default y
1169 1169
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index fa34a06c0d79..73aeaf5a9d4e 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -195,7 +195,7 @@ static void __init init_amd(struct cpuinfo_x86 *c)
195 c->x86_num_cores = 1; 195 c->x86_num_cores = 1;
196 } 196 }
197 197
198#ifdef CONFIG_X86_SMP 198#ifdef CONFIG_X86_HT
199 /* 199 /*
200 * On a AMD dual core setup the lower bits of the APIC id 200 * On a AMD dual core setup the lower bits of the APIC id
201 * distingush the cores. Assumes number of cores is a power 201 * distingush the cores. Assumes number of cores is a power
@@ -203,8 +203,11 @@ static void __init init_amd(struct cpuinfo_x86 *c)
203 */ 203 */
204 if (c->x86_num_cores > 1) { 204 if (c->x86_num_cores > 1) {
205 int cpu = smp_processor_id(); 205 int cpu = smp_processor_id();
206 /* Fix up the APIC ID following AMD specifications. */ 206 unsigned bits = 0;
207 cpu_core_id[cpu] >>= hweight32(c->x86_num_cores - 1); 207 while ((1 << bits) < c->x86_num_cores)
208 bits++;
209 cpu_core_id[cpu] = phys_proc_id[cpu] & ((1<<bits)-1);
210 phys_proc_id[cpu] >>= bits;
208 printk(KERN_INFO "CPU %d(%d) -> Core %d\n", 211 printk(KERN_INFO "CPU %d(%d) -> Core %d\n",
209 cpu, c->x86_num_cores, cpu_core_id[cpu]); 212 cpu, c->x86_num_cores, cpu_core_id[cpu]);
210 } 213 }
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index 11e6e6f23fa0..d199e525680a 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -244,11 +244,8 @@ static void __init early_cpu_detect(void)
244 244
245 early_intel_workaround(c); 245 early_intel_workaround(c);
246 246
247#ifdef CONFIG_SMP
248#ifdef CONFIG_X86_HT 247#ifdef CONFIG_X86_HT
249 phys_proc_id[smp_processor_id()] = 248 phys_proc_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
250#endif
251 cpu_core_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
252#endif 249#endif
253} 250}
254 251
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index f25ffd74235c..0f1eb507233b 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -23,7 +23,7 @@ config X86_ACPI_CPUFREQ
23 If in doubt, say N. 23 If in doubt, say N.
24 24
25config ELAN_CPUFREQ 25config ELAN_CPUFREQ
26 tristate "AMD Elan" 26 tristate "AMD Elan SC400 and SC410"
27 select CPU_FREQ_TABLE 27 select CPU_FREQ_TABLE
28 depends on X86_ELAN 28 depends on X86_ELAN
29 ---help--- 29 ---help---
@@ -38,6 +38,18 @@ config ELAN_CPUFREQ
38 38
39 If in doubt, say N. 39 If in doubt, say N.
40 40
41config SC520_CPUFREQ
42 tristate "AMD Elan SC520"
43 select CPU_FREQ_TABLE
44 depends on X86_ELAN
45 ---help---
46 This adds the CPUFreq driver for AMD Elan SC520 processor.
47
48 For details, take a look at <file:Documentation/cpu-freq/>.
49
50 If in doubt, say N.
51
52
41config X86_POWERNOW_K6 53config X86_POWERNOW_K6
42 tristate "AMD Mobile K6-2/K6-3 PowerNow!" 54 tristate "AMD Mobile K6-2/K6-3 PowerNow!"
43 select CPU_FREQ_TABLE 55 select CPU_FREQ_TABLE
diff --git a/arch/i386/kernel/cpu/cpufreq/Makefile b/arch/i386/kernel/cpu/cpufreq/Makefile
index a922e97aeedd..2e894f1c8910 100644
--- a/arch/i386/kernel/cpu/cpufreq/Makefile
+++ b/arch/i386/kernel/cpu/cpufreq/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o
3obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o 3obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o
4obj-$(CONFIG_X86_LONGHAUL) += longhaul.o 4obj-$(CONFIG_X86_LONGHAUL) += longhaul.o
5obj-$(CONFIG_ELAN_CPUFREQ) += elanfreq.o 5obj-$(CONFIG_ELAN_CPUFREQ) += elanfreq.o
6obj-$(CONFIG_SC520_CPUFREQ) += sc520_freq.o
6obj-$(CONFIG_X86_LONGRUN) += longrun.o 7obj-$(CONFIG_X86_LONGRUN) += longrun.o
7obj-$(CONFIG_X86_GX_SUSPMOD) += gx-suspmod.o 8obj-$(CONFIG_X86_GX_SUSPMOD) += gx-suspmod.o
8obj-$(CONFIG_X86_SPEEDSTEP_ICH) += speedstep-ich.o 9obj-$(CONFIG_X86_SPEEDSTEP_ICH) += speedstep-ich.o
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index ab0f9f5aac11..04e3563da4fe 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -29,6 +29,7 @@
29#include <linux/cpufreq.h> 29#include <linux/cpufreq.h>
30#include <linux/slab.h> 30#include <linux/slab.h>
31#include <linux/string.h> 31#include <linux/string.h>
32#include <linux/pci.h>
32 33
33#include <asm/msr.h> 34#include <asm/msr.h>
34#include <asm/timex.h> 35#include <asm/timex.h>
@@ -119,7 +120,13 @@ static int longhaul_get_cpu_mult(void)
119static void do_powersaver(union msr_longhaul *longhaul, 120static void do_powersaver(union msr_longhaul *longhaul,
120 unsigned int clock_ratio_index) 121 unsigned int clock_ratio_index)
121{ 122{
123 struct pci_dev *dev;
124 unsigned long flags;
125 unsigned int tmp_mask;
122 int version; 126 int version;
127 int i;
128 u16 pci_cmd;
129 u16 cmd_state[64];
123 130
124 switch (cpu_model) { 131 switch (cpu_model) {
125 case CPU_EZRA_T: 132 case CPU_EZRA_T:
@@ -137,17 +144,58 @@ static void do_powersaver(union msr_longhaul *longhaul,
137 longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4; 144 longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
138 longhaul->bits.EnableSoftBusRatio = 1; 145 longhaul->bits.EnableSoftBusRatio = 1;
139 longhaul->bits.RevisionKey = 0; 146 longhaul->bits.RevisionKey = 0;
140 local_irq_disable(); 147
141 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); 148 preempt_disable();
149 local_irq_save(flags);
150
151 /*
152 * get current pci bus master state for all devices
153 * and clear bus master bit
154 */
155 dev = NULL;
156 i = 0;
157 do {
158 dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
159 if (dev != NULL) {
160 pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
161 cmd_state[i++] = pci_cmd;
162 pci_cmd &= ~PCI_COMMAND_MASTER;
163 pci_write_config_word(dev, PCI_COMMAND, pci_cmd);
164 }
165 } while (dev != NULL);
166
167 tmp_mask=inb(0x21); /* works on C3. save mask. */
168 outb(0xFE,0x21); /* TMR0 only */
169 outb(0xFF,0x80); /* delay */
170
142 local_irq_enable(); 171 local_irq_enable();
172
173 __hlt();
174 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
143 __hlt(); 175 __hlt();
144 176
177 local_irq_disable();
178
179 outb(tmp_mask,0x21); /* restore mask */
180
181 /* restore pci bus master state for all devices */
182 dev = NULL;
183 i = 0;
184 do {
185 dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
186 if (dev != NULL) {
187 pci_cmd = cmd_state[i++];
188 pci_write_config_byte(dev, PCI_COMMAND, pci_cmd);
189 }
190 } while (dev != NULL);
191 local_irq_restore(flags);
192 preempt_enable();
193
194 /* disable bus ratio bit */
145 rdmsrl(MSR_VIA_LONGHAUL, longhaul->val); 195 rdmsrl(MSR_VIA_LONGHAUL, longhaul->val);
146 longhaul->bits.EnableSoftBusRatio = 0; 196 longhaul->bits.EnableSoftBusRatio = 0;
147 longhaul->bits.RevisionKey = version; 197 longhaul->bits.RevisionKey = version;
148 local_irq_disable();
149 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); 198 wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
150 local_irq_enable();
151} 199}
152 200
153/** 201/**
@@ -578,7 +626,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
578 longhaul_setup_voltagescaling(); 626 longhaul_setup_voltagescaling();
579 627
580 policy->governor = CPUFREQ_DEFAULT_GOVERNOR; 628 policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
581 policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; 629 policy->cpuinfo.transition_latency = 200000; /* nsec */
582 policy->cur = calc_speed(longhaul_get_cpu_mult()); 630 policy->cur = calc_speed(longhaul_get_cpu_mult());
583 631
584 ret = cpufreq_frequency_table_cpuinfo(policy, longhaul_table); 632 ret = cpufreq_frequency_table_cpuinfo(policy, longhaul_table);
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 913f652623d9..5c530064eb74 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -23,6 +23,7 @@
23#include <linux/dmi.h> 23#include <linux/dmi.h>
24 24
25#include <asm/msr.h> 25#include <asm/msr.h>
26#include <asm/timer.h>
26#include <asm/timex.h> 27#include <asm/timex.h>
27#include <asm/io.h> 28#include <asm/io.h>
28#include <asm/system.h> 29#include <asm/system.h>
@@ -586,13 +587,17 @@ static int __init powernow_cpu_init (struct cpufreq_policy *policy)
586 587
587 rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val); 588 rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val);
588 589
589 /* A K7 with powernow technology is set to max frequency by BIOS */ 590 /* recalibrate cpu_khz */
590 fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.MFID]; 591 result = recalibrate_cpu_khz();
592 if (result)
593 return result;
594
595 fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID];
591 if (!fsb) { 596 if (!fsb) {
592 printk(KERN_WARNING PFX "can not determine bus frequency\n"); 597 printk(KERN_WARNING PFX "can not determine bus frequency\n");
593 return -EINVAL; 598 return -EINVAL;
594 } 599 }
595 dprintk("FSB: %3d.%03d MHz\n", fsb/1000, fsb%1000); 600 dprintk("FSB: %3dMHz\n", fsb/1000);
596 601
597 if (dmi_check_system(powernow_dmi_table) || acpi_force) { 602 if (dmi_check_system(powernow_dmi_table) || acpi_force) {
598 printk (KERN_INFO PFX "PSB/PST known to be broken. Trying ACPI instead\n"); 603 printk (KERN_INFO PFX "PSB/PST known to be broken. Trying ACPI instead\n");
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index a65ff7e32e5d..10cc096c0ade 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -4,7 +4,7 @@
4 * GNU general public license version 2. See "COPYING" or 4 * GNU general public license version 2. See "COPYING" or
5 * http://www.gnu.org/licenses/gpl.html 5 * http://www.gnu.org/licenses/gpl.html
6 * 6 *
7 * Support : paul.devriendt@amd.com 7 * Support : mark.langsdorf@amd.com
8 * 8 *
9 * Based on the powernow-k7.c module written by Dave Jones. 9 * Based on the powernow-k7.c module written by Dave Jones.
10 * (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs 10 * (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs
@@ -15,12 +15,13 @@
15 * 15 *
16 * Valuable input gratefully received from Dave Jones, Pavel Machek, 16 * Valuable input gratefully received from Dave Jones, Pavel Machek,
17 * Dominik Brodowski, and others. 17 * Dominik Brodowski, and others.
18 * Originally developed by Paul Devriendt.
18 * Processor information obtained from Chapter 9 (Power and Thermal Management) 19 * Processor information obtained from Chapter 9 (Power and Thermal Management)
19 * of the "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD 20 * of the "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD
20 * Opteron Processors" available for download from www.amd.com 21 * Opteron Processors" available for download from www.amd.com
21 * 22 *
22 * Tables for specific CPUs can be infrerred from 23 * Tables for specific CPUs can be infrerred from
23 * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf 24 * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf
24 */ 25 */
25 26
26#include <linux/kernel.h> 27#include <linux/kernel.h>
@@ -30,6 +31,7 @@
30#include <linux/cpufreq.h> 31#include <linux/cpufreq.h>
31#include <linux/slab.h> 32#include <linux/slab.h>
32#include <linux/string.h> 33#include <linux/string.h>
34#include <linux/cpumask.h>
33 35
34#include <asm/msr.h> 36#include <asm/msr.h>
35#include <asm/io.h> 37#include <asm/io.h>
@@ -42,7 +44,7 @@
42 44
43#define PFX "powernow-k8: " 45#define PFX "powernow-k8: "
44#define BFX PFX "BIOS error: " 46#define BFX PFX "BIOS error: "
45#define VERSION "version 1.00.09e" 47#define VERSION "version 1.40.2"
46#include "powernow-k8.h" 48#include "powernow-k8.h"
47 49
48/* serialize freq changes */ 50/* serialize freq changes */
@@ -50,6 +52,10 @@ static DECLARE_MUTEX(fidvid_sem);
50 52
51static struct powernow_k8_data *powernow_data[NR_CPUS]; 53static struct powernow_k8_data *powernow_data[NR_CPUS];
52 54
55#ifndef CONFIG_SMP
56static cpumask_t cpu_core_map[1];
57#endif
58
53/* Return a frequency in MHz, given an input fid */ 59/* Return a frequency in MHz, given an input fid */
54static u32 find_freq_from_fid(u32 fid) 60static u32 find_freq_from_fid(u32 fid)
55{ 61{
@@ -274,11 +280,18 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid
274{ 280{
275 u32 rvosteps = data->rvo; 281 u32 rvosteps = data->rvo;
276 u32 savefid = data->currfid; 282 u32 savefid = data->currfid;
283 u32 maxvid, lo;
277 284
278 dprintk("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, reqvid 0x%x, rvo 0x%x\n", 285 dprintk("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, reqvid 0x%x, rvo 0x%x\n",
279 smp_processor_id(), 286 smp_processor_id(),
280 data->currfid, data->currvid, reqvid, data->rvo); 287 data->currfid, data->currvid, reqvid, data->rvo);
281 288
289 rdmsr(MSR_FIDVID_STATUS, lo, maxvid);
290 maxvid = 0x1f & (maxvid >> 16);
291 dprintk("ph1 maxvid=0x%x\n", maxvid);
292 if (reqvid < maxvid) /* lower numbers are higher voltages */
293 reqvid = maxvid;
294
282 while (data->currvid > reqvid) { 295 while (data->currvid > reqvid) {
283 dprintk("ph1: curr 0x%x, req vid 0x%x\n", 296 dprintk("ph1: curr 0x%x, req vid 0x%x\n",
284 data->currvid, reqvid); 297 data->currvid, reqvid);
@@ -286,8 +299,8 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid
286 return 1; 299 return 1;
287 } 300 }
288 301
289 while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) { 302 while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) {
290 if (data->currvid == 0) { 303 if (data->currvid == maxvid) {
291 rvosteps = 0; 304 rvosteps = 0;
292 } else { 305 } else {
293 dprintk("ph1: changing vid for rvo, req 0x%x\n", 306 dprintk("ph1: changing vid for rvo, req 0x%x\n",
@@ -671,7 +684,7 @@ static int find_psb_table(struct powernow_k8_data *data)
671 * BIOS and Kernel Developer's Guide, which is available on 684 * BIOS and Kernel Developer's Guide, which is available on
672 * www.amd.com 685 * www.amd.com
673 */ 686 */
674 printk(KERN_ERR PFX "BIOS error - no PSB\n"); 687 printk(KERN_INFO PFX "BIOS error - no PSB or ACPI _PSS objects\n");
675 return -ENODEV; 688 return -ENODEV;
676} 689}
677 690
@@ -695,7 +708,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
695 struct cpufreq_frequency_table *powernow_table; 708 struct cpufreq_frequency_table *powernow_table;
696 709
697 if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) { 710 if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) {
698 dprintk("register performance failed\n"); 711 dprintk("register performance failed: bad ACPI data\n");
699 return -EIO; 712 return -EIO;
700 } 713 }
701 714
@@ -746,22 +759,23 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
746 continue; 759 continue;
747 } 760 }
748 761
749 if (fid < HI_FID_TABLE_BOTTOM) { 762 /* verify only 1 entry from the lo frequency table */
750 if (cntlofreq) { 763 if (fid < HI_FID_TABLE_BOTTOM) {
751 /* if both entries are the same, ignore this 764 if (cntlofreq) {
752 * one... 765 /* if both entries are the same, ignore this
753 */ 766 * one...
754 if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) || 767 */
755 (powernow_table[i].index != powernow_table[cntlofreq].index)) { 768 if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) ||
756 printk(KERN_ERR PFX "Too many lo freq table entries\n"); 769 (powernow_table[i].index != powernow_table[cntlofreq].index)) {
757 goto err_out_mem; 770 printk(KERN_ERR PFX "Too many lo freq table entries\n");
758 } 771 goto err_out_mem;
759 772 }
760 dprintk("double low frequency table entry, ignoring it.\n"); 773
761 powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID; 774 dprintk("double low frequency table entry, ignoring it.\n");
762 continue; 775 powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
763 } else 776 continue;
764 cntlofreq = i; 777 } else
778 cntlofreq = i;
765 } 779 }
766 780
767 if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) { 781 if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) {
@@ -816,7 +830,7 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
816{ 830{
817 u32 fid; 831 u32 fid;
818 u32 vid; 832 u32 vid;
819 int res; 833 int res, i;
820 struct cpufreq_freqs freqs; 834 struct cpufreq_freqs freqs;
821 835
822 dprintk("cpu %d transition to index %u\n", smp_processor_id(), index); 836 dprintk("cpu %d transition to index %u\n", smp_processor_id(), index);
@@ -841,7 +855,8 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
841 } 855 }
842 856
843 if ((fid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) { 857 if ((fid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) {
844 printk("ignoring illegal change in lo freq table-%x to 0x%x\n", 858 printk(KERN_ERR PFX
859 "ignoring illegal change in lo freq table-%x to 0x%x\n",
845 data->currfid, fid); 860 data->currfid, fid);
846 return 1; 861 return 1;
847 } 862 }
@@ -850,18 +865,20 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
850 smp_processor_id(), fid, vid); 865 smp_processor_id(), fid, vid);
851 866
852 freqs.cpu = data->cpu; 867 freqs.cpu = data->cpu;
853
854 freqs.old = find_khz_freq_from_fid(data->currfid); 868 freqs.old = find_khz_freq_from_fid(data->currfid);
855 freqs.new = find_khz_freq_from_fid(fid); 869 freqs.new = find_khz_freq_from_fid(fid);
856 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); 870 for_each_cpu_mask(i, cpu_core_map[data->cpu]) {
871 freqs.cpu = i;
872 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
873 }
857 874
858 down(&fidvid_sem);
859 res = transition_fid_vid(data, fid, vid); 875 res = transition_fid_vid(data, fid, vid);
860 up(&fidvid_sem);
861 876
862 freqs.new = find_khz_freq_from_fid(data->currfid); 877 freqs.new = find_khz_freq_from_fid(data->currfid);
863 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); 878 for_each_cpu_mask(i, cpu_core_map[data->cpu]) {
864 879 freqs.cpu = i;
880 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
881 }
865 return res; 882 return res;
866} 883}
867 884
@@ -874,6 +891,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
874 u32 checkvid = data->currvid; 891 u32 checkvid = data->currvid;
875 unsigned int newstate; 892 unsigned int newstate;
876 int ret = -EIO; 893 int ret = -EIO;
894 int i;
877 895
878 /* only run on specific CPU from here on */ 896 /* only run on specific CPU from here on */
879 oldmask = current->cpus_allowed; 897 oldmask = current->cpus_allowed;
@@ -902,22 +920,41 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
902 data->currfid, data->currvid); 920 data->currfid, data->currvid);
903 921
904 if ((checkvid != data->currvid) || (checkfid != data->currfid)) { 922 if ((checkvid != data->currvid) || (checkfid != data->currfid)) {
905 printk(KERN_ERR PFX 923 printk(KERN_INFO PFX
906 "error - out of sync, fid 0x%x 0x%x, vid 0x%x 0x%x\n", 924 "error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",
907 checkfid, data->currfid, checkvid, data->currvid); 925 checkfid, data->currfid, checkvid, data->currvid);
908 } 926 }
909 927
910 if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate)) 928 if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate))
911 goto err_out; 929 goto err_out;
912 930
931 down(&fidvid_sem);
932
933 for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
934 /* make sure the sibling is initialized */
935 if (!powernow_data[i]) {
936 ret = 0;
937 up(&fidvid_sem);
938 goto err_out;
939 }
940 }
941
913 powernow_k8_acpi_pst_values(data, newstate); 942 powernow_k8_acpi_pst_values(data, newstate);
914 943
915 if (transition_frequency(data, newstate)) { 944 if (transition_frequency(data, newstate)) {
916 printk(KERN_ERR PFX "transition frequency failed\n"); 945 printk(KERN_ERR PFX "transition frequency failed\n");
917 ret = 1; 946 ret = 1;
947 up(&fidvid_sem);
918 goto err_out; 948 goto err_out;
919 } 949 }
920 950
951 /* Update all the fid/vids of our siblings */
952 for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
953 powernow_data[i]->currvid = data->currvid;
954 powernow_data[i]->currfid = data->currfid;
955 }
956 up(&fidvid_sem);
957
921 pol->cur = find_khz_freq_from_fid(data->currfid); 958 pol->cur = find_khz_freq_from_fid(data->currfid);
922 ret = 0; 959 ret = 0;
923 960
@@ -962,7 +999,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
962 */ 999 */
963 1000
964 if ((num_online_cpus() != 1) || (num_possible_cpus() != 1)) { 1001 if ((num_online_cpus() != 1) || (num_possible_cpus() != 1)) {
965 printk(KERN_INFO PFX "MP systems not supported by PSB BIOS structure\n"); 1002 printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n");
966 kfree(data); 1003 kfree(data);
967 return -ENODEV; 1004 return -ENODEV;
968 } 1005 }
@@ -1003,6 +1040,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
1003 schedule(); 1040 schedule();
1004 1041
1005 pol->governor = CPUFREQ_DEFAULT_GOVERNOR; 1042 pol->governor = CPUFREQ_DEFAULT_GOVERNOR;
1043 pol->cpus = cpu_core_map[pol->cpu];
1006 1044
1007 /* Take a crude guess here. 1045 /* Take a crude guess here.
1008 * That guess was in microseconds, so multiply with 1000 */ 1046 * That guess was in microseconds, so multiply with 1000 */
@@ -1069,7 +1107,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
1069 return 0; 1107 return 0;
1070 } 1108 }
1071 preempt_disable(); 1109 preempt_disable();
1072 1110
1073 if (query_current_values_with_pending_wait(data)) 1111 if (query_current_values_with_pending_wait(data))
1074 goto out; 1112 goto out;
1075 1113
@@ -1127,9 +1165,10 @@ static void __exit powernowk8_exit(void)
1127 cpufreq_unregister_driver(&cpufreq_amd64_driver); 1165 cpufreq_unregister_driver(&cpufreq_amd64_driver);
1128} 1166}
1129 1167
1130MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com>"); 1168MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com.");
1131MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver."); 1169MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver.");
1132MODULE_LICENSE("GPL"); 1170MODULE_LICENSE("GPL");
1133 1171
1134late_initcall(powernowk8_init); 1172late_initcall(powernowk8_init);
1135module_exit(powernowk8_exit); 1173module_exit(powernowk8_exit);
1174
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index 63ebc8470f52..9ed5bf221cb7 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -174,3 +174,18 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi
174static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid); 174static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid);
175 175
176static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index); 176static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index);
177
178#ifndef for_each_cpu_mask
179#define for_each_cpu_mask(i,mask) for (i=0;i<1;i++)
180#endif
181
182#ifdef CONFIG_SMP
183static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
184{
185}
186#else
187static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
188{
189 cpu_set(0, cpu_sharedcore_mask[0]);
190}
191#endif
diff --git a/arch/i386/kernel/cpu/cpufreq/sc520_freq.c b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
new file mode 100644
index 000000000000..ef457d50f4ac
--- /dev/null
+++ b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
@@ -0,0 +1,186 @@
1/*
2 * sc520_freq.c: cpufreq driver for the AMD Elan sc520
3 *
4 * Copyright (C) 2005 Sean Young <sean@mess.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 * Based on elanfreq.c
12 *
13 * 2005-03-30: - initial revision
14 */
15
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/init.h>
19
20#include <linux/delay.h>
21#include <linux/cpufreq.h>
22
23#include <asm/msr.h>
24#include <asm/timex.h>
25#include <asm/io.h>
26
27#define MMCR_BASE 0xfffef000 /* The default base address */
28#define OFFS_CPUCTL 0x2 /* CPU Control Register */
29
30static __u8 __iomem *cpuctl;
31
32#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "sc520_freq", msg)
33
34static struct cpufreq_frequency_table sc520_freq_table[] = {
35 {0x01, 100000},
36 {0x02, 133000},
37 {0, CPUFREQ_TABLE_END},
38};
39
40static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
41{
42 u8 clockspeed_reg = *cpuctl;
43
44 switch (clockspeed_reg & 0x03) {
45 default:
46 printk(KERN_ERR "sc520_freq: error: cpuctl register has unexpected value %02x\n", clockspeed_reg);
47 case 0x01:
48 return 100000;
49 case 0x02:
50 return 133000;
51 }
52}
53
54static void sc520_freq_set_cpu_state (unsigned int state)
55{
56
57 struct cpufreq_freqs freqs;
58 u8 clockspeed_reg;
59
60 freqs.old = sc520_freq_get_cpu_frequency(0);
61 freqs.new = sc520_freq_table[state].frequency;
62 freqs.cpu = 0; /* AMD Elan is UP */
63
64 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
65
66 dprintk("attempting to set frequency to %i kHz\n",
67 sc520_freq_table[state].frequency);
68
69 local_irq_disable();
70
71 clockspeed_reg = *cpuctl & ~0x03;
72 *cpuctl = clockspeed_reg | sc520_freq_table[state].index;
73
74 local_irq_enable();
75
76 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
77};
78
79static int sc520_freq_verify (struct cpufreq_policy *policy)
80{
81 return cpufreq_frequency_table_verify(policy, &sc520_freq_table[0]);
82}
83
84static int sc520_freq_target (struct cpufreq_policy *policy,
85 unsigned int target_freq,
86 unsigned int relation)
87{
88 unsigned int newstate = 0;
89
90 if (cpufreq_frequency_table_target(policy, sc520_freq_table, target_freq, relation, &newstate))
91 return -EINVAL;
92
93 sc520_freq_set_cpu_state(newstate);
94
95 return 0;
96}
97
98
99/*
100 * Module init and exit code
101 */
102
103static int sc520_freq_cpu_init(struct cpufreq_policy *policy)
104{
105 struct cpuinfo_x86 *c = cpu_data;
106 int result;
107
108 /* capability check */
109 if (c->x86_vendor != X86_VENDOR_AMD ||
110 c->x86 != 4 || c->x86_model != 9)
111 return -ENODEV;
112
113 /* cpuinfo and default policy values */
114 policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
115 policy->cpuinfo.transition_latency = 1000000; /* 1ms */
116 policy->cur = sc520_freq_get_cpu_frequency(0);
117
118 result = cpufreq_frequency_table_cpuinfo(policy, sc520_freq_table);
119 if (result)
120 return (result);
121
122 cpufreq_frequency_table_get_attr(sc520_freq_table, policy->cpu);
123
124 return 0;
125}
126
127
128static int sc520_freq_cpu_exit(struct cpufreq_policy *policy)
129{
130 cpufreq_frequency_table_put_attr(policy->cpu);
131 return 0;
132}
133
134
135static struct freq_attr* sc520_freq_attr[] = {
136 &cpufreq_freq_attr_scaling_available_freqs,
137 NULL,
138};
139
140
141static struct cpufreq_driver sc520_freq_driver = {
142 .get = sc520_freq_get_cpu_frequency,
143 .verify = sc520_freq_verify,
144 .target = sc520_freq_target,
145 .init = sc520_freq_cpu_init,
146 .exit = sc520_freq_cpu_exit,
147 .name = "sc520_freq",
148 .owner = THIS_MODULE,
149 .attr = sc520_freq_attr,
150};
151
152
153static int __init sc520_freq_init(void)
154{
155 struct cpuinfo_x86 *c = cpu_data;
156
157 /* Test if we have the right hardware */
158 if(c->x86_vendor != X86_VENDOR_AMD ||
159 c->x86 != 4 || c->x86_model != 9) {
160 dprintk("no Elan SC520 processor found!\n");
161 return -ENODEV;
162 }
163 cpuctl = ioremap((unsigned long)(MMCR_BASE + OFFS_CPUCTL), 1);
164 if(!cpuctl) {
165 printk(KERN_ERR "sc520_freq: error: failed to remap memory\n");
166 return -ENOMEM;
167 }
168
169 return cpufreq_register_driver(&sc520_freq_driver);
170}
171
172
173static void __exit sc520_freq_exit(void)
174{
175 cpufreq_unregister_driver(&sc520_freq_driver);
176 iounmap(cpuctl);
177}
178
179
180MODULE_LICENSE("GPL");
181MODULE_AUTHOR("Sean Young <sean@mess.org>");
182MODULE_DESCRIPTION("cpufreq driver for AMD's Elan sc520 CPU");
183
184module_init(sc520_freq_init);
185module_exit(sc520_freq_exit);
186
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index 07d5612dc00f..7dcbf70fc16f 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -54,6 +54,8 @@ enum {
54 CPU_DOTHAN_A1, 54 CPU_DOTHAN_A1,
55 CPU_DOTHAN_A2, 55 CPU_DOTHAN_A2,
56 CPU_DOTHAN_B0, 56 CPU_DOTHAN_B0,
57 CPU_MP4HT_D0,
58 CPU_MP4HT_E0,
57}; 59};
58 60
59static const struct cpu_id cpu_ids[] = { 61static const struct cpu_id cpu_ids[] = {
@@ -61,6 +63,8 @@ static const struct cpu_id cpu_ids[] = {
61 [CPU_DOTHAN_A1] = { 6, 13, 1 }, 63 [CPU_DOTHAN_A1] = { 6, 13, 1 },
62 [CPU_DOTHAN_A2] = { 6, 13, 2 }, 64 [CPU_DOTHAN_A2] = { 6, 13, 2 },
63 [CPU_DOTHAN_B0] = { 6, 13, 6 }, 65 [CPU_DOTHAN_B0] = { 6, 13, 6 },
66 [CPU_MP4HT_D0] = {15, 3, 4 },
67 [CPU_MP4HT_E0] = {15, 4, 1 },
64}; 68};
65#define N_IDS (sizeof(cpu_ids)/sizeof(cpu_ids[0])) 69#define N_IDS (sizeof(cpu_ids)/sizeof(cpu_ids[0]))
66 70
@@ -226,6 +230,8 @@ static struct cpu_model models[] =
226 { &cpu_ids[CPU_DOTHAN_A1], NULL, 0, NULL }, 230 { &cpu_ids[CPU_DOTHAN_A1], NULL, 0, NULL },
227 { &cpu_ids[CPU_DOTHAN_A2], NULL, 0, NULL }, 231 { &cpu_ids[CPU_DOTHAN_A2], NULL, 0, NULL },
228 { &cpu_ids[CPU_DOTHAN_B0], NULL, 0, NULL }, 232 { &cpu_ids[CPU_DOTHAN_B0], NULL, 0, NULL },
233 { &cpu_ids[CPU_MP4HT_D0], NULL, 0, NULL },
234 { &cpu_ids[CPU_MP4HT_E0], NULL, 0, NULL },
229 235
230 { NULL, } 236 { NULL, }
231}; 237};
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
index 8ba430a9c3a2..d368b3f5fce8 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
@@ -336,7 +336,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
336 if (!prev_speed) 336 if (!prev_speed)
337 return -EIO; 337 return -EIO;
338 338
339 dprintk("previous seped is %u\n", prev_speed); 339 dprintk("previous speed is %u\n", prev_speed);
340 340
341 local_irq_save(flags); 341 local_irq_save(flags);
342 342
@@ -348,7 +348,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
348 goto out; 348 goto out;
349 } 349 }
350 350
351 dprintk("low seped is %u\n", *low_speed); 351 dprintk("low speed is %u\n", *low_speed);
352 352
353 /* switch to high state */ 353 /* switch to high state */
354 set_state(SPEEDSTEP_HIGH); 354 set_state(SPEEDSTEP_HIGH);
@@ -358,7 +358,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
358 goto out; 358 goto out;
359 } 359 }
360 360
361 dprintk("high seped is %u\n", *high_speed); 361 dprintk("high speed is %u\n", *high_speed);
362 362
363 if (*low_speed == *high_speed) { 363 if (*low_speed == *high_speed) {
364 ret = -ENODEV; 364 ret = -ENODEV;
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
index 79440b3f087e..b25fb6b635ae 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
@@ -357,6 +357,9 @@ static int __init speedstep_init(void)
357 case SPEEDSTEP_PROCESSOR_PIII_C: 357 case SPEEDSTEP_PROCESSOR_PIII_C:
358 case SPEEDSTEP_PROCESSOR_PIII_C_EARLY: 358 case SPEEDSTEP_PROCESSOR_PIII_C_EARLY:
359 break; 359 break;
360 case SPEEDSTEP_PROCESSOR_P4M:
361 printk(KERN_INFO "speedstep-smi: you're trying to use this cpufreq driver on a Pentium 4-based CPU. Most likely it will not work.\n");
362 break;
360 default: 363 default:
361 speedstep_processor = 0; 364 speedstep_processor = 0;
362 } 365 }
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index aeb5b4ef8c8b..a710dc4eb20e 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -118,7 +118,7 @@ struct _cpuid4_info {
118}; 118};
119 119
120#define MAX_CACHE_LEAVES 4 120#define MAX_CACHE_LEAVES 4
121static unsigned short __devinitdata num_cache_leaves; 121static unsigned short num_cache_leaves;
122 122
123static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf) 123static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf)
124{ 124{
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 945ec73163c8..2bfbddebdbf8 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1502,11 +1502,13 @@ void __init setup_arch(char **cmdline_p)
1502 if (efi_enabled) 1502 if (efi_enabled)
1503 efi_map_memmap(); 1503 efi_map_memmap();
1504 1504
1505#ifdef CONFIG_ACPI_BOOT
1505 /* 1506 /*
1506 * Parse the ACPI tables for possible boot-time SMP configuration. 1507 * Parse the ACPI tables for possible boot-time SMP configuration.
1507 */ 1508 */
1508 acpi_boot_table_init(); 1509 acpi_boot_table_init();
1509 acpi_boot_init(); 1510 acpi_boot_init();
1511#endif
1510 1512
1511#ifdef CONFIG_X86_LOCAL_APIC 1513#ifdef CONFIG_X86_LOCAL_APIC
1512 if (smp_found_config) 1514 if (smp_found_config)
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index cbea7ac582e5..bc1bb6919e6a 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -888,6 +888,7 @@ void *xquad_portio;
888 888
889cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned; 889cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned;
890cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; 890cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
891EXPORT_SYMBOL(cpu_core_map);
891 892
892static void __init smp_boot_cpus(unsigned int max_cpus) 893static void __init smp_boot_cpus(unsigned int max_cpus)
893{ 894{
@@ -1073,8 +1074,10 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
1073 cpu_set(cpu, cpu_sibling_map[cpu]); 1074 cpu_set(cpu, cpu_sibling_map[cpu]);
1074 } 1075 }
1075 1076
1076 if (siblings != smp_num_siblings) 1077 if (siblings != smp_num_siblings) {
1077 printk(KERN_WARNING "WARNING: %d siblings found for CPU%d, should be %d\n", siblings, cpu, smp_num_siblings); 1078 printk(KERN_WARNING "WARNING: %d siblings found for CPU%d, should be %d\n", siblings, cpu, smp_num_siblings);
1079 smp_num_siblings = siblings;
1080 }
1078 1081
1079 if (c->x86_num_cores > 1) { 1082 if (c->x86_num_cores > 1) {
1080 for (i = 0; i < NR_CPUS; i++) { 1083 for (i = 0; i < NR_CPUS; i++) {
diff --git a/arch/i386/kernel/timers/common.c b/arch/i386/kernel/timers/common.c
index f7f90005e22e..8e201219f525 100644
--- a/arch/i386/kernel/timers/common.c
+++ b/arch/i386/kernel/timers/common.c
@@ -6,6 +6,7 @@
6#include <linux/timex.h> 6#include <linux/timex.h>
7#include <linux/errno.h> 7#include <linux/errno.h>
8#include <linux/jiffies.h> 8#include <linux/jiffies.h>
9#include <linux/module.h>
9 10
10#include <asm/io.h> 11#include <asm/io.h>
11#include <asm/timer.h> 12#include <asm/timer.h>
@@ -24,7 +25,7 @@
24 25
25#define CALIBRATE_TIME (5 * 1000020/HZ) 26#define CALIBRATE_TIME (5 * 1000020/HZ)
26 27
27unsigned long __init calibrate_tsc(void) 28unsigned long calibrate_tsc(void)
28{ 29{
29 mach_prepare_counter(); 30 mach_prepare_counter();
30 31
@@ -139,7 +140,7 @@ bad_calibration:
139#endif 140#endif
140 141
141/* calculate cpu_khz */ 142/* calculate cpu_khz */
142void __init init_cpu_khz(void) 143void init_cpu_khz(void)
143{ 144{
144 if (cpu_has_tsc) { 145 if (cpu_has_tsc) {
145 unsigned long tsc_quotient = calibrate_tsc(); 146 unsigned long tsc_quotient = calibrate_tsc();
@@ -158,3 +159,4 @@ void __init init_cpu_khz(void)
158 } 159 }
159 } 160 }
160} 161}
162
diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c
index 7926d967be00..180444d87824 100644
--- a/arch/i386/kernel/timers/timer_tsc.c
+++ b/arch/i386/kernel/timers/timer_tsc.c
@@ -320,6 +320,26 @@ core_initcall(cpufreq_tsc);
320static inline void cpufreq_delayed_get(void) { return; } 320static inline void cpufreq_delayed_get(void) { return; }
321#endif 321#endif
322 322
323int recalibrate_cpu_khz(void)
324{
325#ifndef CONFIG_SMP
326 unsigned long cpu_khz_old = cpu_khz;
327
328 if (cpu_has_tsc) {
329 init_cpu_khz();
330 cpu_data[0].loops_per_jiffy =
331 cpufreq_scale(cpu_data[0].loops_per_jiffy,
332 cpu_khz_old,
333 cpu_khz);
334 return 0;
335 } else
336 return -ENODEV;
337#else
338 return -ENODEV;
339#endif
340}
341EXPORT_SYMBOL(recalibrate_cpu_khz);
342
323static void mark_offset_tsc(void) 343static void mark_offset_tsc(void)
324{ 344{
325 unsigned long lost,delay; 345 unsigned long lost,delay;
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 903d739ca74a..a6e0ddd65bd0 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -97,7 +97,6 @@ static void ack_vic_irq(unsigned int irq);
97static void vic_enable_cpi(void); 97static void vic_enable_cpi(void);
98static void do_boot_cpu(__u8 cpuid); 98static void do_boot_cpu(__u8 cpuid);
99static void do_quad_bootstrap(void); 99static void do_quad_bootstrap(void);
100static inline void wrapper_smp_local_timer_interrupt(struct pt_regs *);
101 100
102int hard_smp_processor_id(void); 101int hard_smp_processor_id(void);
103 102
@@ -126,6 +125,14 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi)
126} 125}
127 126
128static inline void 127static inline void
128wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
129{
130 irq_enter();
131 smp_local_timer_interrupt(regs);
132 irq_exit();
133}
134
135static inline void
129send_one_CPI(__u8 cpu, __u8 cpi) 136send_one_CPI(__u8 cpu, __u8 cpi)
130{ 137{
131 if(voyager_quad_processors & (1<<cpu)) 138 if(voyager_quad_processors & (1<<cpu))
@@ -1249,14 +1256,6 @@ smp_vic_timer_interrupt(struct pt_regs *regs)
1249 smp_local_timer_interrupt(regs); 1256 smp_local_timer_interrupt(regs);
1250} 1257}
1251 1258
1252static inline void
1253wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
1254{
1255 irq_enter();
1256 smp_local_timer_interrupt(regs);
1257 irq_exit();
1258}
1259
1260/* local (per CPU) timer interrupt. It does both profiling and 1259/* local (per CPU) timer interrupt. It does both profiling and
1261 * process statistics/rescheduling. 1260 * process statistics/rescheduling.
1262 * 1261 *
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index db06f7399913..ab542792b27b 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -238,19 +238,21 @@ void iounmap(volatile void __iomem *addr)
238 addr < phys_to_virt(ISA_END_ADDRESS)) 238 addr < phys_to_virt(ISA_END_ADDRESS))
239 return; 239 return;
240 240
241 p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr)); 241 write_lock(&vmlist_lock);
242 p = __remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
242 if (!p) { 243 if (!p) {
243 printk("__iounmap: bad address %p\n", addr); 244 printk("iounmap: bad address %p\n", addr);
244 return; 245 goto out_unlock;
245 } 246 }
246 247
247 if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) { 248 if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) {
248 /* p->size includes the guard page, but cpa doesn't like that */
249 change_page_attr(virt_to_page(__va(p->phys_addr)), 249 change_page_attr(virt_to_page(__va(p->phys_addr)),
250 p->size >> PAGE_SHIFT, 250 p->size >> PAGE_SHIFT,
251 PAGE_KERNEL); 251 PAGE_KERNEL);
252 global_flush_tlb(); 252 global_flush_tlb();
253 } 253 }
254out_unlock:
255 write_unlock(&vmlist_lock);
254 kfree(p); 256 kfree(p);
255} 257}
256 258
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index d6598da4b67b..da21b1d07c15 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -1029,7 +1029,6 @@ void pcibios_penalize_isa_irq(int irq)
1029static int pirq_enable_irq(struct pci_dev *dev) 1029static int pirq_enable_irq(struct pci_dev *dev)
1030{ 1030{
1031 u8 pin; 1031 u8 pin;
1032 extern int via_interrupt_line_quirk;
1033 struct pci_dev *temp_dev; 1032 struct pci_dev *temp_dev;
1034 1033
1035 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); 1034 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
@@ -1084,10 +1083,6 @@ static int pirq_enable_irq(struct pci_dev *dev)
1084 printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n", 1083 printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
1085 'A' + pin, pci_name(dev), msg); 1084 'A' + pin, pci_name(dev), msg);
1086 } 1085 }
1087 /* VIA bridges use interrupt line for apic/pci steering across
1088 the V-Link */
1089 else if (via_interrupt_line_quirk)
1090 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq & 15);
1091 return 0; 1086 return 0;
1092} 1087}
1093 1088
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 247a21c64aea..c1e20d65dd6c 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -2427,7 +2427,7 @@ sys32_epoll_wait(int epfd, struct epoll_event32 __user * events, int maxevents,
2427{ 2427{
2428 struct epoll_event *events64 = NULL; 2428 struct epoll_event *events64 = NULL;
2429 mm_segment_t old_fs = get_fs(); 2429 mm_segment_t old_fs = get_fs();
2430 int error, numevents, size; 2430 int numevents, size;
2431 int evt_idx; 2431 int evt_idx;
2432 int do_free_pages = 0; 2432 int do_free_pages = 0;
2433 2433
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 81c45d447394..d99316c9be28 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1182,7 +1182,7 @@ ENTRY(notify_resume_user)
1182 ;; 1182 ;;
1183(pNonSys) mov out2=0 // out2==0 => not a syscall 1183(pNonSys) mov out2=0 // out2==0 => not a syscall
1184 .fframe 16 1184 .fframe 16
1185 .spillpsp ar.unat, 16 // (note that offset is relative to psp+0x10!) 1185 .spillsp ar.unat, 16
1186 st8 [sp]=r9,-16 // allocate space for ar.unat and save it 1186 st8 [sp]=r9,-16 // allocate space for ar.unat and save it
1187 st8 [out1]=loc1,-8 // save ar.pfs, out1=&sigscratch 1187 st8 [out1]=loc1,-8 // save ar.pfs, out1=&sigscratch
1188 .body 1188 .body
@@ -1208,7 +1208,7 @@ GLOBAL_ENTRY(sys_rt_sigsuspend)
1208 adds out2=8,sp // out2=&sigscratch->ar_pfs 1208 adds out2=8,sp // out2=&sigscratch->ar_pfs
1209 ;; 1209 ;;
1210 .fframe 16 1210 .fframe 16
1211 .spillpsp ar.unat, 16 // (note that offset is relative to psp+0x10!) 1211 .spillsp ar.unat, 16
1212 st8 [sp]=r9,-16 // allocate space for ar.unat and save it 1212 st8 [sp]=r9,-16 // allocate space for ar.unat and save it
1213 st8 [out2]=loc1,-8 // save ar.pfs, out2=&sigscratch 1213 st8 [out2]=loc1,-8 // save ar.pfs, out2=&sigscratch
1214 .body 1214 .body
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 4d6c7b8f667b..736e328b5e61 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1103,8 +1103,6 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
1103 return IRQ_HANDLED; 1103 return IRQ_HANDLED;
1104} 1104}
1105 1105
1106#endif /* CONFIG_ACPI */
1107
1108/* 1106/*
1109 * ia64_mca_cpe_poll 1107 * ia64_mca_cpe_poll
1110 * 1108 *
@@ -1122,6 +1120,8 @@ ia64_mca_cpe_poll (unsigned long dummy)
1122 platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0); 1120 platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
1123} 1121}
1124 1122
1123#endif /* CONFIG_ACPI */
1124
1125/* 1125/*
1126 * C portion of the OS INIT handler 1126 * C portion of the OS INIT handler
1127 * 1127 *
@@ -1390,8 +1390,7 @@ ia64_mca_init(void)
1390 register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction); 1390 register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction);
1391 1391
1392#ifdef CONFIG_ACPI 1392#ifdef CONFIG_ACPI
1393 /* Setup the CPEI/P vector and handler */ 1393 /* Setup the CPEI/P handler */
1394 cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
1395 register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction); 1394 register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
1396#endif 1395#endif
1397 1396
@@ -1436,6 +1435,7 @@ ia64_mca_late_init(void)
1436 1435
1437#ifdef CONFIG_ACPI 1436#ifdef CONFIG_ACPI
1438 /* Setup the CPEI/P vector and handler */ 1437 /* Setup the CPEI/P vector and handler */
1438 cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
1439 init_timer(&cpe_poll_timer); 1439 init_timer(&cpe_poll_timer);
1440 cpe_poll_timer.function = ia64_mca_cpe_poll; 1440 cpe_poll_timer.function = ia64_mca_cpe_poll;
1441 1441
diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 1dbc7b2497c9..f6d8a010d99b 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -41,7 +41,7 @@
41(pKStk) addl r3=THIS_CPU(ia64_mca_data),r3;; \ 41(pKStk) addl r3=THIS_CPU(ia64_mca_data),r3;; \
42(pKStk) ld8 r3 = [r3];; \ 42(pKStk) ld8 r3 = [r3];; \
43(pKStk) addl r3=IA64_MCA_CPU_INIT_STACK_OFFSET,r3;; \ 43(pKStk) addl r3=IA64_MCA_CPU_INIT_STACK_OFFSET,r3;; \
44(pKStk) addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3; \ 44(pKStk) addl r1=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3; \
45(pUStk) mov ar.rsc=0; /* set enforced lazy mode, pl 0, little-endian, loadrs=0 */ \ 45(pUStk) mov ar.rsc=0; /* set enforced lazy mode, pl 0, little-endian, loadrs=0 */ \
46(pUStk) addl r22=IA64_RBS_OFFSET,r1; /* compute base of register backing store */ \ 46(pUStk) addl r22=IA64_RBS_OFFSET,r1; /* compute base of register backing store */ \
47 ;; \ 47 ;; \
@@ -50,7 +50,6 @@
50(pUStk) mov r23=ar.bspstore; /* save ar.bspstore */ \ 50(pUStk) mov r23=ar.bspstore; /* save ar.bspstore */ \
51(pUStk) dep r22=-1,r22,61,3; /* compute kernel virtual addr of RBS */ \ 51(pUStk) dep r22=-1,r22,61,3; /* compute kernel virtual addr of RBS */ \
52 ;; \ 52 ;; \
53(pKStk) addl r1=-IA64_PT_REGS_SIZE,r1; /* if in kernel mode, use sp (r12) */ \
54(pUStk) mov ar.bspstore=r22; /* switch to kernel RBS */ \ 53(pUStk) mov ar.bspstore=r22; /* switch to kernel RBS */ \
55 ;; \ 54 ;; \
56(pUStk) mov r18=ar.bsp; \ 55(pUStk) mov r18=ar.bsp; \
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 71c101601e3e..6407bff6bfd7 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -11,7 +11,7 @@
11 * Version Perfmon-2.x is a rewrite of perfmon-1.x 11 * Version Perfmon-2.x is a rewrite of perfmon-1.x
12 * by Stephane Eranian, Hewlett Packard Co. 12 * by Stephane Eranian, Hewlett Packard Co.
13 * 13 *
14 * Copyright (C) 1999-2003, 2005 Hewlett Packard Co 14 * Copyright (C) 1999-2005 Hewlett Packard Co
15 * Stephane Eranian <eranian@hpl.hp.com> 15 * Stephane Eranian <eranian@hpl.hp.com>
16 * David Mosberger-Tang <davidm@hpl.hp.com> 16 * David Mosberger-Tang <davidm@hpl.hp.com>
17 * 17 *
@@ -497,6 +497,9 @@ typedef struct {
497static pfm_stats_t pfm_stats[NR_CPUS]; 497static pfm_stats_t pfm_stats[NR_CPUS];
498static pfm_session_t pfm_sessions; /* global sessions information */ 498static pfm_session_t pfm_sessions; /* global sessions information */
499 499
500static spinlock_t pfm_alt_install_check = SPIN_LOCK_UNLOCKED;
501static pfm_intr_handler_desc_t *pfm_alt_intr_handler;
502
500static struct proc_dir_entry *perfmon_dir; 503static struct proc_dir_entry *perfmon_dir;
501static pfm_uuid_t pfm_null_uuid = {0,}; 504static pfm_uuid_t pfm_null_uuid = {0,};
502 505
@@ -606,6 +609,7 @@ DEFINE_PER_CPU(unsigned long, pfm_syst_info);
606DEFINE_PER_CPU(struct task_struct *, pmu_owner); 609DEFINE_PER_CPU(struct task_struct *, pmu_owner);
607DEFINE_PER_CPU(pfm_context_t *, pmu_ctx); 610DEFINE_PER_CPU(pfm_context_t *, pmu_ctx);
608DEFINE_PER_CPU(unsigned long, pmu_activation_number); 611DEFINE_PER_CPU(unsigned long, pmu_activation_number);
612EXPORT_PER_CPU_SYMBOL_GPL(pfm_syst_info);
609 613
610 614
611/* forward declaration */ 615/* forward declaration */
@@ -1325,7 +1329,7 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
1325error_conflict: 1329error_conflict:
1326 DPRINT(("system wide not possible, conflicting session [%d] on CPU%d\n", 1330 DPRINT(("system wide not possible, conflicting session [%d] on CPU%d\n",
1327 pfm_sessions.pfs_sys_session[cpu]->pid, 1331 pfm_sessions.pfs_sys_session[cpu]->pid,
1328 smp_processor_id())); 1332 cpu));
1329abort: 1333abort:
1330 UNLOCK_PFS(flags); 1334 UNLOCK_PFS(flags);
1331 1335
@@ -5555,26 +5559,32 @@ pfm_interrupt_handler(int irq, void *arg, struct pt_regs *regs)
5555 int ret; 5559 int ret;
5556 5560
5557 this_cpu = get_cpu(); 5561 this_cpu = get_cpu();
5558 min = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min; 5562 if (likely(!pfm_alt_intr_handler)) {
5559 max = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max; 5563 min = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min;
5564 max = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max;
5560 5565
5561 start_cycles = ia64_get_itc(); 5566 start_cycles = ia64_get_itc();
5562 5567
5563 ret = pfm_do_interrupt_handler(irq, arg, regs); 5568 ret = pfm_do_interrupt_handler(irq, arg, regs);
5564 5569
5565 total_cycles = ia64_get_itc(); 5570 total_cycles = ia64_get_itc();
5566 5571
5567 /* 5572 /*
5568 * don't measure spurious interrupts 5573 * don't measure spurious interrupts
5569 */ 5574 */
5570 if (likely(ret == 0)) { 5575 if (likely(ret == 0)) {
5571 total_cycles -= start_cycles; 5576 total_cycles -= start_cycles;
5572 5577
5573 if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles; 5578 if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles;
5574 if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles; 5579 if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles;
5575 5580
5576 pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles; 5581 pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles;
5582 }
5583 }
5584 else {
5585 (*pfm_alt_intr_handler->handler)(irq, arg, regs);
5577 } 5586 }
5587
5578 put_cpu_no_resched(); 5588 put_cpu_no_resched();
5579 return IRQ_HANDLED; 5589 return IRQ_HANDLED;
5580} 5590}
@@ -6425,6 +6435,141 @@ static struct irqaction perfmon_irqaction = {
6425 .name = "perfmon" 6435 .name = "perfmon"
6426}; 6436};
6427 6437
6438static void
6439pfm_alt_save_pmu_state(void *data)
6440{
6441 struct pt_regs *regs;
6442
6443 regs = ia64_task_regs(current);
6444
6445 DPRINT(("called\n"));
6446
6447 /*
6448 * should not be necessary but
6449 * let's take not risk
6450 */
6451 pfm_clear_psr_up();
6452 pfm_clear_psr_pp();
6453 ia64_psr(regs)->pp = 0;
6454
6455 /*
6456 * This call is required
6457 * May cause a spurious interrupt on some processors
6458 */
6459 pfm_freeze_pmu();
6460
6461 ia64_srlz_d();
6462}
6463
6464void
6465pfm_alt_restore_pmu_state(void *data)
6466{
6467 struct pt_regs *regs;
6468
6469 regs = ia64_task_regs(current);
6470
6471 DPRINT(("called\n"));
6472
6473 /*
6474 * put PMU back in state expected
6475 * by perfmon
6476 */
6477 pfm_clear_psr_up();
6478 pfm_clear_psr_pp();
6479 ia64_psr(regs)->pp = 0;
6480
6481 /*
6482 * perfmon runs with PMU unfrozen at all times
6483 */
6484 pfm_unfreeze_pmu();
6485
6486 ia64_srlz_d();
6487}
6488
6489int
6490pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
6491{
6492 int ret, i;
6493 int reserve_cpu;
6494
6495 /* some sanity checks */
6496 if (hdl == NULL || hdl->handler == NULL) return -EINVAL;
6497
6498 /* do the easy test first */
6499 if (pfm_alt_intr_handler) return -EBUSY;
6500
6501 /* one at a time in the install or remove, just fail the others */
6502 if (!spin_trylock(&pfm_alt_install_check)) {
6503 return -EBUSY;
6504 }
6505
6506 /* reserve our session */
6507 for_each_online_cpu(reserve_cpu) {
6508 ret = pfm_reserve_session(NULL, 1, reserve_cpu);
6509 if (ret) goto cleanup_reserve;
6510 }
6511
6512 /* save the current system wide pmu states */
6513 ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 0, 1);
6514 if (ret) {
6515 DPRINT(("on_each_cpu() failed: %d\n", ret));
6516 goto cleanup_reserve;
6517 }
6518
6519 /* officially change to the alternate interrupt handler */
6520 pfm_alt_intr_handler = hdl;
6521
6522 spin_unlock(&pfm_alt_install_check);
6523
6524 return 0;
6525
6526cleanup_reserve:
6527 for_each_online_cpu(i) {
6528 /* don't unreserve more than we reserved */
6529 if (i >= reserve_cpu) break;
6530
6531 pfm_unreserve_session(NULL, 1, i);
6532 }
6533
6534 spin_unlock(&pfm_alt_install_check);
6535
6536 return ret;
6537}
6538EXPORT_SYMBOL_GPL(pfm_install_alt_pmu_interrupt);
6539
6540int
6541pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
6542{
6543 int i;
6544 int ret;
6545
6546 if (hdl == NULL) return -EINVAL;
6547
6548 /* cannot remove someone else's handler! */
6549 if (pfm_alt_intr_handler != hdl) return -EINVAL;
6550
6551 /* one at a time in the install or remove, just fail the others */
6552 if (!spin_trylock(&pfm_alt_install_check)) {
6553 return -EBUSY;
6554 }
6555
6556 pfm_alt_intr_handler = NULL;
6557
6558 ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 0, 1);
6559 if (ret) {
6560 DPRINT(("on_each_cpu() failed: %d\n", ret));
6561 }
6562
6563 for_each_online_cpu(i) {
6564 pfm_unreserve_session(NULL, 1, i);
6565 }
6566
6567 spin_unlock(&pfm_alt_install_check);
6568
6569 return 0;
6570}
6571EXPORT_SYMBOL_GPL(pfm_remove_alt_pmu_interrupt);
6572
6428/* 6573/*
6429 * perfmon initialization routine, called from the initcall() table 6574 * perfmon initialization routine, called from the initcall() table
6430 */ 6575 */
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 907464ee7273..08c8a5eb25ab 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -692,16 +692,30 @@ convert_to_non_syscall (struct task_struct *child, struct pt_regs *pt,
692 unsigned long cfm) 692 unsigned long cfm)
693{ 693{
694 struct unw_frame_info info, prev_info; 694 struct unw_frame_info info, prev_info;
695 unsigned long ip, pr; 695 unsigned long ip, sp, pr;
696 696
697 unw_init_from_blocked_task(&info, child); 697 unw_init_from_blocked_task(&info, child);
698 while (1) { 698 while (1) {
699 prev_info = info; 699 prev_info = info;
700 if (unw_unwind(&info) < 0) 700 if (unw_unwind(&info) < 0)
701 return; 701 return;
702 if (unw_get_rp(&info, &ip) < 0) 702
703 unw_get_sp(&info, &sp);
704 if ((long)((unsigned long)child + IA64_STK_OFFSET - sp)
705 < IA64_PT_REGS_SIZE) {
706 dprintk("ptrace.%s: ran off the top of the kernel "
707 "stack\n", __FUNCTION__);
708 return;
709 }
710 if (unw_get_pr (&prev_info, &pr) < 0) {
711 unw_get_rp(&prev_info, &ip);
712 dprintk("ptrace.%s: failed to read "
713 "predicate register (ip=0x%lx)\n",
714 __FUNCTION__, ip);
703 return; 715 return;
704 if (ip < FIXADDR_USER_END) 716 }
717 if (unw_is_intr_frame(&info)
718 && (pr & (1UL << PRED_USER_STACK)))
705 break; 719 break;
706 } 720 }
707 721
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 0d5ee57c9865..3865f088ffa2 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -624,7 +624,7 @@ static struct {
624 __u16 thread_id; 624 __u16 thread_id;
625 __u16 proc_fixed_addr; 625 __u16 proc_fixed_addr;
626 __u8 valid; 626 __u8 valid;
627}mt_info[NR_CPUS] __devinit; 627} mt_info[NR_CPUS] __devinitdata;
628 628
629#ifdef CONFIG_HOTPLUG_CPU 629#ifdef CONFIG_HOTPLUG_CPU
630static inline void 630static inline void
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index a8cf6d8a509c..770fab37928e 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -182,13 +182,6 @@ do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, un
182 } 182 }
183 } 183 }
184 184
185 /*
186 * A zero mmap always succeeds in Linux, independent of whether or not the
187 * remaining arguments are valid.
188 */
189 if (len == 0)
190 goto out;
191
192 /* Careful about overflows.. */ 185 /* Careful about overflows.. */
193 len = PAGE_ALIGN(len); 186 len = PAGE_ALIGN(len);
194 if (!len || len > TASK_SIZE) { 187 if (!len || len > TASK_SIZE) {
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 4fb44984afe6..e64cb8175f7a 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -271,6 +271,8 @@ void __init sn_setup(char **cmdline_p)
271 int major = sn_sal_rev_major(), minor = sn_sal_rev_minor(); 271 int major = sn_sal_rev_major(), minor = sn_sal_rev_minor();
272 extern void sn_cpu_init(void); 272 extern void sn_cpu_init(void);
273 273
274 ia64_sn_plat_set_error_handling_features();
275
274 /* 276 /*
275 * If the generic code has enabled vga console support - lets 277 * If the generic code has enabled vga console support - lets
276 * get rid of it again. This is a kludge for the fact that ACPI 278 * get rid of it again. This is a kludge for the fact that ACPI
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index cd752a3cf3bd..54ce6da22644 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -1160,12 +1160,12 @@ config PCI_QSPAN
1160 1160
1161config PCI_8260 1161config PCI_8260
1162 bool 1162 bool
1163 depends on PCI && 8260 && !8272 1163 depends on PCI && 8260
1164 default y 1164 default y
1165 1165
1166config 8260_PCI9 1166config 8260_PCI9
1167 bool " Enable workaround for MPC826x erratum PCI 9" 1167 bool " Enable workaround for MPC826x erratum PCI 9"
1168 depends on PCI_8260 1168 depends on PCI_8260 && !ADS8272
1169 default y 1169 default y
1170 1170
1171choice 1171choice
diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile
index f850fb0fb511..c9ac5f5fa9e4 100644
--- a/arch/ppc/boot/images/Makefile
+++ b/arch/ppc/boot/images/Makefile
@@ -22,7 +22,8 @@ targets += uImage
22$(obj)/uImage: $(obj)/vmlinux.gz 22$(obj)/uImage: $(obj)/vmlinux.gz
23 $(Q)rm -f $@ 23 $(Q)rm -f $@
24 $(call if_changed,uimage) 24 $(call if_changed,uimage)
25 @echo ' Image: $@' $(if $(wildcard $@),'is ready','not made') 25 @echo -n ' Image: $@ '
26 @if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi
26 27
27# Files generated that shall be removed upon make clean 28# Files generated that shall be removed upon make clean
28clean-files := sImage vmapus vmlinux* miboot* zImage* uImage 29clean-files := sImage vmapus vmlinux* miboot* zImage* uImage
diff --git a/arch/ppc/configs/mpc8555_cds_defconfig b/arch/ppc/configs/mpc8555_cds_defconfig
index 728bd9e1a8fa..15abebf46b96 100644
--- a/arch/ppc/configs/mpc8555_cds_defconfig
+++ b/arch/ppc/configs/mpc8555_cds_defconfig
@@ -1,7 +1,7 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.11-rc1 3# Linux kernel version: 2.6.12-rc4
4# Thu Jan 20 01:25:35 2005 4# Tue May 17 11:56:01 2005
5# 5#
6CONFIG_MMU=y 6CONFIG_MMU=y
7CONFIG_GENERIC_HARDIRQS=y 7CONFIG_GENERIC_HARDIRQS=y
@@ -11,6 +11,7 @@ CONFIG_HAVE_DEC_LOCK=y
11CONFIG_PPC=y 11CONFIG_PPC=y
12CONFIG_PPC32=y 12CONFIG_PPC32=y
13CONFIG_GENERIC_NVRAM=y 13CONFIG_GENERIC_NVRAM=y
14CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
14 15
15# 16#
16# Code maturity level options 17# Code maturity level options
@@ -18,6 +19,7 @@ CONFIG_GENERIC_NVRAM=y
18CONFIG_EXPERIMENTAL=y 19CONFIG_EXPERIMENTAL=y
19CONFIG_CLEAN_COMPILE=y 20CONFIG_CLEAN_COMPILE=y
20CONFIG_BROKEN_ON_SMP=y 21CONFIG_BROKEN_ON_SMP=y
22CONFIG_INIT_ENV_ARG_LIMIT=32
21 23
22# 24#
23# General setup 25# General setup
@@ -29,12 +31,14 @@ CONFIG_SYSVIPC=y
29# CONFIG_BSD_PROCESS_ACCT is not set 31# CONFIG_BSD_PROCESS_ACCT is not set
30CONFIG_SYSCTL=y 32CONFIG_SYSCTL=y
31# CONFIG_AUDIT is not set 33# CONFIG_AUDIT is not set
32CONFIG_LOG_BUF_SHIFT=14
33# CONFIG_HOTPLUG is not set 34# CONFIG_HOTPLUG is not set
34CONFIG_KOBJECT_UEVENT=y 35CONFIG_KOBJECT_UEVENT=y
35# CONFIG_IKCONFIG is not set 36# CONFIG_IKCONFIG is not set
36CONFIG_EMBEDDED=y 37CONFIG_EMBEDDED=y
37# CONFIG_KALLSYMS is not set 38# CONFIG_KALLSYMS is not set
39CONFIG_PRINTK=y
40CONFIG_BUG=y
41CONFIG_BASE_FULL=y
38CONFIG_FUTEX=y 42CONFIG_FUTEX=y
39# CONFIG_EPOLL is not set 43# CONFIG_EPOLL is not set
40# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set 44# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -44,6 +48,7 @@ CONFIG_CC_ALIGN_LABELS=0
44CONFIG_CC_ALIGN_LOOPS=0 48CONFIG_CC_ALIGN_LOOPS=0
45CONFIG_CC_ALIGN_JUMPS=0 49CONFIG_CC_ALIGN_JUMPS=0
46# CONFIG_TINY_SHMEM is not set 50# CONFIG_TINY_SHMEM is not set
51CONFIG_BASE_SMALL=0
47 52
48# 53#
49# Loadable module support 54# Loadable module support
@@ -62,10 +67,12 @@ CONFIG_CC_ALIGN_JUMPS=0
62CONFIG_E500=y 67CONFIG_E500=y
63CONFIG_BOOKE=y 68CONFIG_BOOKE=y
64CONFIG_FSL_BOOKE=y 69CONFIG_FSL_BOOKE=y
70# CONFIG_PHYS_64BIT is not set
65CONFIG_SPE=y 71CONFIG_SPE=y
66CONFIG_MATH_EMULATION=y 72CONFIG_MATH_EMULATION=y
67# CONFIG_CPU_FREQ is not set 73# CONFIG_CPU_FREQ is not set
68CONFIG_PPC_GEN550=y 74CONFIG_PPC_GEN550=y
75# CONFIG_PM is not set
69CONFIG_85xx=y 76CONFIG_85xx=y
70CONFIG_PPC_INDIRECT_PCI_BE=y 77CONFIG_PPC_INDIRECT_PCI_BE=y
71 78
@@ -76,6 +83,7 @@ CONFIG_PPC_INDIRECT_PCI_BE=y
76CONFIG_MPC8555_CDS=y 83CONFIG_MPC8555_CDS=y
77# CONFIG_MPC8560_ADS is not set 84# CONFIG_MPC8560_ADS is not set
78# CONFIG_SBC8560 is not set 85# CONFIG_SBC8560 is not set
86# CONFIG_STX_GP3 is not set
79CONFIG_MPC8555=y 87CONFIG_MPC8555=y
80CONFIG_85xx_PCI2=y 88CONFIG_85xx_PCI2=y
81 89
@@ -90,6 +98,7 @@ CONFIG_CPM2=y
90CONFIG_BINFMT_ELF=y 98CONFIG_BINFMT_ELF=y
91# CONFIG_BINFMT_MISC is not set 99# CONFIG_BINFMT_MISC is not set
92# CONFIG_CMDLINE_BOOL is not set 100# CONFIG_CMDLINE_BOOL is not set
101CONFIG_ISA_DMA_API=y
93 102
94# 103#
95# Bus options 104# Bus options
@@ -105,10 +114,6 @@ CONFIG_PCI_NAMES=y
105# CONFIG_PCCARD is not set 114# CONFIG_PCCARD is not set
106 115
107# 116#
108# PC-card bridges
109#
110
111#
112# Advanced setup 117# Advanced setup
113# 118#
114# CONFIG_ADVANCED_OPTIONS is not set 119# CONFIG_ADVANCED_OPTIONS is not set
@@ -180,7 +185,59 @@ CONFIG_IOSCHED_CFQ=y
180# 185#
181# ATA/ATAPI/MFM/RLL support 186# ATA/ATAPI/MFM/RLL support
182# 187#
183# CONFIG_IDE is not set 188CONFIG_IDE=y
189CONFIG_BLK_DEV_IDE=y
190
191#
192# Please see Documentation/ide.txt for help/info on IDE drives
193#
194# CONFIG_BLK_DEV_IDE_SATA is not set
195CONFIG_BLK_DEV_IDEDISK=y
196# CONFIG_IDEDISK_MULTI_MODE is not set
197# CONFIG_BLK_DEV_IDECD is not set
198# CONFIG_BLK_DEV_IDETAPE is not set
199# CONFIG_BLK_DEV_IDEFLOPPY is not set
200# CONFIG_IDE_TASK_IOCTL is not set
201
202#
203# IDE chipset support/bugfixes
204#
205CONFIG_IDE_GENERIC=y
206CONFIG_BLK_DEV_IDEPCI=y
207CONFIG_IDEPCI_SHARE_IRQ=y
208# CONFIG_BLK_DEV_OFFBOARD is not set
209CONFIG_BLK_DEV_GENERIC=y
210# CONFIG_BLK_DEV_OPTI621 is not set
211# CONFIG_BLK_DEV_SL82C105 is not set
212CONFIG_BLK_DEV_IDEDMA_PCI=y
213# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
214CONFIG_IDEDMA_PCI_AUTO=y
215# CONFIG_IDEDMA_ONLYDISK is not set
216# CONFIG_BLK_DEV_AEC62XX is not set
217# CONFIG_BLK_DEV_ALI15X3 is not set
218# CONFIG_BLK_DEV_AMD74XX is not set
219# CONFIG_BLK_DEV_CMD64X is not set
220# CONFIG_BLK_DEV_TRIFLEX is not set
221# CONFIG_BLK_DEV_CY82C693 is not set
222# CONFIG_BLK_DEV_CS5520 is not set
223# CONFIG_BLK_DEV_CS5530 is not set
224# CONFIG_BLK_DEV_HPT34X is not set
225# CONFIG_BLK_DEV_HPT366 is not set
226# CONFIG_BLK_DEV_SC1200 is not set
227# CONFIG_BLK_DEV_PIIX is not set
228# CONFIG_BLK_DEV_NS87415 is not set
229# CONFIG_BLK_DEV_PDC202XX_OLD is not set
230# CONFIG_BLK_DEV_PDC202XX_NEW is not set
231# CONFIG_BLK_DEV_SVWKS is not set
232# CONFIG_BLK_DEV_SIIMAGE is not set
233# CONFIG_BLK_DEV_SLC90E66 is not set
234# CONFIG_BLK_DEV_TRM290 is not set
235CONFIG_BLK_DEV_VIA82CXXX=y
236# CONFIG_IDE_ARM is not set
237CONFIG_BLK_DEV_IDEDMA=y
238# CONFIG_IDEDMA_IVB is not set
239CONFIG_IDEDMA_AUTO=y
240# CONFIG_BLK_DEV_HD is not set
184 241
185# 242#
186# SCSI device support 243# SCSI device support
@@ -220,7 +277,6 @@ CONFIG_NET=y
220# 277#
221CONFIG_PACKET=y 278CONFIG_PACKET=y
222# CONFIG_PACKET_MMAP is not set 279# CONFIG_PACKET_MMAP is not set
223# CONFIG_NETLINK_DEV is not set
224CONFIG_UNIX=y 280CONFIG_UNIX=y
225# CONFIG_NET_KEY is not set 281# CONFIG_NET_KEY is not set
226CONFIG_INET=y 282CONFIG_INET=y
@@ -370,14 +426,6 @@ CONFIG_INPUT=y
370# CONFIG_INPUT_EVBUG is not set 426# CONFIG_INPUT_EVBUG is not set
371 427
372# 428#
373# Input I/O drivers
374#
375# CONFIG_GAMEPORT is not set
376CONFIG_SOUND_GAMEPORT=y
377# CONFIG_SERIO is not set
378# CONFIG_SERIO_I8042 is not set
379
380#
381# Input Device Drivers 429# Input Device Drivers
382# 430#
383# CONFIG_INPUT_KEYBOARD is not set 431# CONFIG_INPUT_KEYBOARD is not set
@@ -387,6 +435,13 @@ CONFIG_SOUND_GAMEPORT=y
387# CONFIG_INPUT_MISC is not set 435# CONFIG_INPUT_MISC is not set
388 436
389# 437#
438# Hardware I/O ports
439#
440# CONFIG_SERIO is not set
441# CONFIG_GAMEPORT is not set
442CONFIG_SOUND_GAMEPORT=y
443
444#
390# Character devices 445# Character devices
391# 446#
392# CONFIG_VT is not set 447# CONFIG_VT is not set
@@ -406,6 +461,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
406CONFIG_SERIAL_CORE=y 461CONFIG_SERIAL_CORE=y
407CONFIG_SERIAL_CORE_CONSOLE=y 462CONFIG_SERIAL_CORE_CONSOLE=y
408# CONFIG_SERIAL_CPM is not set 463# CONFIG_SERIAL_CPM is not set
464# CONFIG_SERIAL_JSM is not set
409CONFIG_UNIX98_PTYS=y 465CONFIG_UNIX98_PTYS=y
410CONFIG_LEGACY_PTYS=y 466CONFIG_LEGACY_PTYS=y
411CONFIG_LEGACY_PTY_COUNT=256 467CONFIG_LEGACY_PTY_COUNT=256
@@ -434,6 +490,11 @@ CONFIG_GEN_RTC=y
434# CONFIG_RAW_DRIVER is not set 490# CONFIG_RAW_DRIVER is not set
435 491
436# 492#
493# TPM devices
494#
495# CONFIG_TCG_TPM is not set
496
497#
437# I2C support 498# I2C support
438# 499#
439CONFIG_I2C=y 500CONFIG_I2C=y
@@ -456,11 +517,11 @@ CONFIG_I2C_CHARDEV=y
456# CONFIG_I2C_AMD8111 is not set 517# CONFIG_I2C_AMD8111 is not set
457# CONFIG_I2C_I801 is not set 518# CONFIG_I2C_I801 is not set
458# CONFIG_I2C_I810 is not set 519# CONFIG_I2C_I810 is not set
520# CONFIG_I2C_PIIX4 is not set
459# CONFIG_I2C_ISA is not set 521# CONFIG_I2C_ISA is not set
460CONFIG_I2C_MPC=y 522CONFIG_I2C_MPC=y
461# CONFIG_I2C_NFORCE2 is not set 523# CONFIG_I2C_NFORCE2 is not set
462# CONFIG_I2C_PARPORT_LIGHT is not set 524# CONFIG_I2C_PARPORT_LIGHT is not set
463# CONFIG_I2C_PIIX4 is not set
464# CONFIG_I2C_PROSAVAGE is not set 525# CONFIG_I2C_PROSAVAGE is not set
465# CONFIG_I2C_SAVAGE4 is not set 526# CONFIG_I2C_SAVAGE4 is not set
466# CONFIG_SCx200_ACB is not set 527# CONFIG_SCx200_ACB is not set
@@ -483,7 +544,9 @@ CONFIG_I2C_MPC=y
483# CONFIG_SENSORS_ASB100 is not set 544# CONFIG_SENSORS_ASB100 is not set
484# CONFIG_SENSORS_DS1621 is not set 545# CONFIG_SENSORS_DS1621 is not set
485# CONFIG_SENSORS_FSCHER is not set 546# CONFIG_SENSORS_FSCHER is not set
547# CONFIG_SENSORS_FSCPOS is not set
486# CONFIG_SENSORS_GL518SM is not set 548# CONFIG_SENSORS_GL518SM is not set
549# CONFIG_SENSORS_GL520SM is not set
487# CONFIG_SENSORS_IT87 is not set 550# CONFIG_SENSORS_IT87 is not set
488# CONFIG_SENSORS_LM63 is not set 551# CONFIG_SENSORS_LM63 is not set
489# CONFIG_SENSORS_LM75 is not set 552# CONFIG_SENSORS_LM75 is not set
@@ -494,9 +557,11 @@ CONFIG_I2C_MPC=y
494# CONFIG_SENSORS_LM85 is not set 557# CONFIG_SENSORS_LM85 is not set
495# CONFIG_SENSORS_LM87 is not set 558# CONFIG_SENSORS_LM87 is not set
496# CONFIG_SENSORS_LM90 is not set 559# CONFIG_SENSORS_LM90 is not set
560# CONFIG_SENSORS_LM92 is not set
497# CONFIG_SENSORS_MAX1619 is not set 561# CONFIG_SENSORS_MAX1619 is not set
498# CONFIG_SENSORS_PC87360 is not set 562# CONFIG_SENSORS_PC87360 is not set
499# CONFIG_SENSORS_SMSC47B397 is not set 563# CONFIG_SENSORS_SMSC47B397 is not set
564# CONFIG_SENSORS_SIS5595 is not set
500# CONFIG_SENSORS_SMSC47M1 is not set 565# CONFIG_SENSORS_SMSC47M1 is not set
501# CONFIG_SENSORS_VIA686A is not set 566# CONFIG_SENSORS_VIA686A is not set
502# CONFIG_SENSORS_W83781D is not set 567# CONFIG_SENSORS_W83781D is not set
@@ -506,10 +571,12 @@ CONFIG_I2C_MPC=y
506# 571#
507# Other I2C Chip support 572# Other I2C Chip support
508# 573#
574# CONFIG_SENSORS_DS1337 is not set
509# CONFIG_SENSORS_EEPROM is not set 575# CONFIG_SENSORS_EEPROM is not set
510# CONFIG_SENSORS_PCF8574 is not set 576# CONFIG_SENSORS_PCF8574 is not set
511# CONFIG_SENSORS_PCF8591 is not set 577# CONFIG_SENSORS_PCF8591 is not set
512# CONFIG_SENSORS_RTC8564 is not set 578# CONFIG_SENSORS_RTC8564 is not set
579# CONFIG_SENSORS_M41T00 is not set
513# CONFIG_I2C_DEBUG_CORE is not set 580# CONFIG_I2C_DEBUG_CORE is not set
514# CONFIG_I2C_DEBUG_ALGO is not set 581# CONFIG_I2C_DEBUG_ALGO is not set
515# CONFIG_I2C_DEBUG_BUS is not set 582# CONFIG_I2C_DEBUG_BUS is not set
@@ -538,7 +605,6 @@ CONFIG_I2C_MPC=y
538# Graphics support 605# Graphics support
539# 606#
540# CONFIG_FB is not set 607# CONFIG_FB is not set
541# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
542 608
543# 609#
544# Sound 610# Sound
@@ -548,13 +614,9 @@ CONFIG_I2C_MPC=y
548# 614#
549# USB support 615# USB support
550# 616#
551# CONFIG_USB is not set
552CONFIG_USB_ARCH_HAS_HCD=y 617CONFIG_USB_ARCH_HAS_HCD=y
553CONFIG_USB_ARCH_HAS_OHCI=y 618CONFIG_USB_ARCH_HAS_OHCI=y
554 619# CONFIG_USB is not set
555#
556# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
557#
558 620
559# 621#
560# USB Gadget Support 622# USB Gadget Support
@@ -585,6 +647,10 @@ CONFIG_JBD=y
585CONFIG_FS_MBCACHE=y 647CONFIG_FS_MBCACHE=y
586# CONFIG_REISERFS_FS is not set 648# CONFIG_REISERFS_FS is not set
587# CONFIG_JFS_FS is not set 649# CONFIG_JFS_FS is not set
650
651#
652# XFS support
653#
588# CONFIG_XFS_FS is not set 654# CONFIG_XFS_FS is not set
589# CONFIG_MINIX_FS is not set 655# CONFIG_MINIX_FS is not set
590# CONFIG_ROMFS_FS is not set 656# CONFIG_ROMFS_FS is not set
@@ -646,7 +712,6 @@ CONFIG_NFS_FS=y
646# CONFIG_NFSD is not set 712# CONFIG_NFSD is not set
647CONFIG_ROOT_NFS=y 713CONFIG_ROOT_NFS=y
648CONFIG_LOCKD=y 714CONFIG_LOCKD=y
649# CONFIG_EXPORTFS is not set
650CONFIG_SUNRPC=y 715CONFIG_SUNRPC=y
651# CONFIG_RPCSEC_GSS_KRB5 is not set 716# CONFIG_RPCSEC_GSS_KRB5 is not set
652# CONFIG_RPCSEC_GSS_SPKM3 is not set 717# CONFIG_RPCSEC_GSS_SPKM3 is not set
@@ -698,7 +763,9 @@ CONFIG_CRC32=y
698# 763#
699# Kernel hacking 764# Kernel hacking
700# 765#
766# CONFIG_PRINTK_TIME is not set
701# CONFIG_DEBUG_KERNEL is not set 767# CONFIG_DEBUG_KERNEL is not set
768CONFIG_LOG_BUF_SHIFT=14
702# CONFIG_KGDB_CONSOLE is not set 769# CONFIG_KGDB_CONSOLE is not set
703# CONFIG_SERIAL_TEXT_DEBUG is not set 770# CONFIG_SERIAL_TEXT_DEBUG is not set
704 771
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 9b6a8e513657..6c7ae6052464 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -330,8 +330,9 @@ interrupt_base:
330 /* If we are faulting a kernel address, we have to use the 330 /* If we are faulting a kernel address, we have to use the
331 * kernel page tables. 331 * kernel page tables.
332 */ 332 */
333 andis. r11, r10, 0x8000 333 lis r11, TASK_SIZE@h
334 beq 3f 334 cmplw r10, r11
335 blt+ 3f
335 lis r11, swapper_pg_dir@h 336 lis r11, swapper_pg_dir@h
336 ori r11, r11, swapper_pg_dir@l 337 ori r11, r11, swapper_pg_dir@l
337 338
@@ -464,8 +465,9 @@ interrupt_base:
464 /* If we are faulting a kernel address, we have to use the 465 /* If we are faulting a kernel address, we have to use the
465 * kernel page tables. 466 * kernel page tables.
466 */ 467 */
467 andis. r11, r10, 0x8000 468 lis r11, TASK_SIZE@h
468 beq 3f 469 cmplw r10, r11
470 blt+ 3f
469 lis r11, swapper_pg_dir@h 471 lis r11, swapper_pg_dir@h
470 ori r11, r11, swapper_pg_dir@l 472 ori r11, r11, swapper_pg_dir@l
471 473
@@ -533,8 +535,9 @@ interrupt_base:
533 /* If we are faulting a kernel address, we have to use the 535 /* If we are faulting a kernel address, we have to use the
534 * kernel page tables. 536 * kernel page tables.
535 */ 537 */
536 andis. r11, r10, 0x8000 538 lis r11, TASK_SIZE@h
537 beq 3f 539 cmplw r10, r11
540 blt+ 3f
538 lis r11, swapper_pg_dir@h 541 lis r11, swapper_pg_dir@h
539 ori r11, r11, swapper_pg_dir@l 542 ori r11, r11, swapper_pg_dir@l
540 543
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index f22ddce36135..ce36e88ba627 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -232,7 +232,8 @@ skpinv: addi r6,r6,1 /* Increment */
232 tlbwe 232 tlbwe
233 233
234/* 7. Jump to KERNELBASE mapping */ 234/* 7. Jump to KERNELBASE mapping */
235 li r7,0 235 lis r7,MSR_KERNEL@h
236 ori r7,r7,MSR_KERNEL@l
236 bl 1f /* Find our address */ 237 bl 1f /* Find our address */
2371: mflr r9 2381: mflr r9
238 rlwimi r6,r9,0,20,31 239 rlwimi r6,r9,0,20,31
@@ -293,6 +294,18 @@ skpinv: addi r6,r6,1 /* Increment */
293 mtspr SPRN_HID0, r2 294 mtspr SPRN_HID0, r2
294#endif 295#endif
295 296
297#if !defined(CONFIG_BDI_SWITCH)
298 /*
299 * The Abatron BDI JTAG debugger does not tolerate others
300 * mucking with the debug registers.
301 */
302 lis r2,DBCR0_IDM@h
303 mtspr SPRN_DBCR0,r2
304 /* clear any residual debug events */
305 li r2,-1
306 mtspr SPRN_DBSR,r2
307#endif
308
296 /* 309 /*
297 * This is where the main kernel code starts. 310 * This is where the main kernel code starts.
298 */ 311 */
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 309797d7f96d..5c20266e3b1f 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -499,7 +499,7 @@ static int __init set_preferred_console(void)
499{ 499{
500 struct device_node *prom_stdout; 500 struct device_node *prom_stdout;
501 char *name; 501 char *name;
502 int offset; 502 int offset = 0;
503 503
504 if (of_stdout_device == NULL) 504 if (of_stdout_device == NULL)
505 return -ENODEV; 505 return -ENODEV;
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index f8e7e324a173..c65731e8bc65 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -408,12 +408,7 @@ static int emulate_string_inst(struct pt_regs *regs, u32 instword)
408 408
409 /* Early out if we are an invalid form of lswx */ 409 /* Early out if we are an invalid form of lswx */
410 if ((instword & INST_STRING_MASK) == INST_LSWX) 410 if ((instword & INST_STRING_MASK) == INST_LSWX)
411 if ((rA >= rT) || (NB_RB >= rT) || (rT == rA) || (rT == NB_RB)) 411 if ((rT == rA) || (rT == NB_RB))
412 return -EINVAL;
413
414 /* Early out if we are an invalid form of lswi */
415 if ((instword & INST_STRING_MASK) == INST_LSWI)
416 if ((rA >= rT) || (rT == rA))
417 return -EINVAL; 412 return -EINVAL;
418 413
419 EA = (rA == 0) ? 0 : regs->gpr[rA]; 414 EA = (rA == 0) ? 0 : regs->gpr[rA];
diff --git a/arch/ppc/lib/string.S b/arch/ppc/lib/string.S
index 8d08a2eb225e..36c9b97fd92a 100644
--- a/arch/ppc/lib/string.S
+++ b/arch/ppc/lib/string.S
@@ -446,6 +446,7 @@ _GLOBAL(__copy_tofrom_user)
446#ifdef CONFIG_8xx 446#ifdef CONFIG_8xx
447 /* Don't use prefetch on 8xx */ 447 /* Don't use prefetch on 8xx */
448 mtctr r0 448 mtctr r0
449 li r0,0
44953: COPY_16_BYTES_WITHEX(0) 45053: COPY_16_BYTES_WITHEX(0)
450 bdnz 53b 451 bdnz 53b
451 452
@@ -564,7 +565,9 @@ _GLOBAL(__copy_tofrom_user)
564/* or write fault in cacheline loop */ 565/* or write fault in cacheline loop */
565105: li r9,1 566105: li r9,1
56692: li r3,LG_CACHELINE_BYTES 56792: li r3,LG_CACHELINE_BYTES
567 b 99f 568 mfctr r8
569 add r0,r0,r8
570 b 106f
568/* read fault in final word loop */ 571/* read fault in final word loop */
569108: li r9,0 572108: li r9,0
570 b 93f 573 b 93f
@@ -585,7 +588,7 @@ _GLOBAL(__copy_tofrom_user)
585 * r5 + (ctr << r3), and r9 is 0 for read or 1 for write. 588 * r5 + (ctr << r3), and r9 is 0 for read or 1 for write.
586 */ 589 */
58799: mfctr r0 59099: mfctr r0
588 slw r3,r0,r3 591106: slw r3,r0,r3
589 add. r3,r3,r5 592 add. r3,r3,r5
590 beq 120f /* shouldn't happen */ 593 beq 120f /* shouldn't happen */
591 cmpwi 0,r9,0 594 cmpwi 0,r9,0
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index be02a7fec2b7..363c157e3617 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -179,6 +179,7 @@ void free_initmem(void)
179 if (!have_of) 179 if (!have_of)
180 FREESEC(openfirmware); 180 FREESEC(openfirmware);
181 printk("\n"); 181 printk("\n");
182 ppc_md.progress = NULL;
182#undef FREESEC 183#undef FREESEC
183} 184}
184 185
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c
index b3b0f51979d2..e6348b5a1ddc 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.c
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.c
@@ -127,7 +127,6 @@ mpc834x_sys_map_io(void)
127{ 127{
128 /* we steal the lowest ioremap addr for virt space */ 128 /* we steal the lowest ioremap addr for virt space */
129 io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO); 129 io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO);
130 io_block_mapping(BCSR_VIRT_ADDR, BCSR_PHYS_ADDR, BCSR_SIZE, _PAGE_IO);
131} 130}
132 131
133int 132int
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.h b/arch/ppc/platforms/83xx/mpc834x_sys.h
index f4d055ae19c1..a2f6e49d7151 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.h
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.h
@@ -26,9 +26,14 @@
26#define VIRT_IMMRBAR ((uint)0xfe000000) 26#define VIRT_IMMRBAR ((uint)0xfe000000)
27 27
28#define BCSR_PHYS_ADDR ((uint)0xf8000000) 28#define BCSR_PHYS_ADDR ((uint)0xf8000000)
29#define BCSR_VIRT_ADDR ((uint)0xfe100000)
30#define BCSR_SIZE ((uint)(32 * 1024)) 29#define BCSR_SIZE ((uint)(32 * 1024))
31 30
31#define BCSR_MISC_REG2_OFF 0x07
32#define BCSR_MISC_REG2_PORESET 0x01
33
34#define BCSR_MISC_REG3_OFF 0x08
35#define BCSR_MISC_REG3_CNFLOCK 0x80
36
32#ifdef CONFIG_PCI 37#ifdef CONFIG_PCI
33/* PCI interrupt controller */ 38/* PCI interrupt controller */
34#define PIRQA MPC83xx_IRQ_IRQ4 39#define PIRQA MPC83xx_IRQ_IRQ4
diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c
index 4d857d6d633d..583838ab02d8 100644
--- a/arch/ppc/platforms/85xx/mpc8540_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.c
@@ -210,6 +210,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
210#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) 210#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
211 ppc_md.progress = gen550_progress; 211 ppc_md.progress = gen550_progress;
212#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ 212#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
213#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
214 ppc_md.early_serial_map = mpc85xx_early_serial_map;
215#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
213 216
214 if (ppc_md.progress) 217 if (ppc_md.progress)
215 ppc_md.progress("mpc8540ads_init(): exit", 0); 218 ppc_md.progress("mpc8540ads_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
index 6c020d67ad70..e7cfa498568c 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
@@ -44,6 +44,7 @@
44#include <asm/machdep.h> 44#include <asm/machdep.h>
45#include <asm/prom.h> 45#include <asm/prom.h>
46#include <asm/open_pic.h> 46#include <asm/open_pic.h>
47#include <asm/i8259.h>
47#include <asm/bootinfo.h> 48#include <asm/bootinfo.h>
48#include <asm/pci-bridge.h> 49#include <asm/pci-bridge.h>
49#include <asm/mpc85xx.h> 50#include <asm/mpc85xx.h>
@@ -181,6 +182,7 @@ void __init
181mpc85xx_cds_init_IRQ(void) 182mpc85xx_cds_init_IRQ(void)
182{ 183{
183 bd_t *binfo = (bd_t *) __res; 184 bd_t *binfo = (bd_t *) __res;
185 int i;
184 186
185 /* Determine the Physical Address of the OpenPIC regs */ 187 /* Determine the Physical Address of the OpenPIC regs */
186 phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET; 188 phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET;
@@ -198,6 +200,15 @@ mpc85xx_cds_init_IRQ(void)
198 */ 200 */
199 openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET); 201 openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET);
200 202
203#ifdef CONFIG_PCI
204 openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq);
205
206 for (i = 0; i < NUM_8259_INTERRUPTS; i++)
207 irq_desc[i].handler = &i8259_pic;
208
209 i8259_init(0);
210#endif
211
201#ifdef CONFIG_CPM2 212#ifdef CONFIG_CPM2
202 /* Setup CPM2 PIC */ 213 /* Setup CPM2 PIC */
203 cpm2_init_IRQ(); 214 cpm2_init_IRQ();
@@ -231,7 +242,7 @@ mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
231 * interrupt on slot */ 242 * interrupt on slot */
232 { 243 {
233 { 0, 1, 2, 3 }, /* 16 - PMC */ 244 { 0, 1, 2, 3 }, /* 16 - PMC */
234 { 3, 0, 0, 0 }, /* 17 P2P (Tsi320) */ 245 { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */
235 { 0, 1, 2, 3 }, /* 18 - Slot 1 */ 246 { 0, 1, 2, 3 }, /* 18 - Slot 1 */
236 { 1, 2, 3, 0 }, /* 19 - Slot 2 */ 247 { 1, 2, 3, 0 }, /* 19 - Slot 2 */
237 { 2, 3, 0, 1 }, /* 20 - Slot 3 */ 248 { 2, 3, 0, 1 }, /* 20 - Slot 3 */
@@ -280,13 +291,135 @@ mpc85xx_exclude_device(u_char bus, u_char devfn)
280 return PCIBIOS_DEVICE_NOT_FOUND; 291 return PCIBIOS_DEVICE_NOT_FOUND;
281#endif 292#endif
282 /* We explicitly do not go past the Tundra 320 Bridge */ 293 /* We explicitly do not go past the Tundra 320 Bridge */
283 if (bus == 1) 294 if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
284 return PCIBIOS_DEVICE_NOT_FOUND; 295 return PCIBIOS_DEVICE_NOT_FOUND;
285 if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) 296 if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
286 return PCIBIOS_DEVICE_NOT_FOUND; 297 return PCIBIOS_DEVICE_NOT_FOUND;
287 else 298 else
288 return PCIBIOS_SUCCESSFUL; 299 return PCIBIOS_SUCCESSFUL;
289} 300}
301
302void __init
303mpc85xx_cds_enable_via(struct pci_controller *hose)
304{
305 u32 pci_class;
306 u16 vid, did;
307
308 early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
309 if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
310 return;
311
312 /* Configure P2P so that we can reach bus 1 */
313 early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0);
314 early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1);
315 early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff);
316
317 early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
318 early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
319
320 if ((vid != PCI_VENDOR_ID_VIA) ||
321 (did != PCI_DEVICE_ID_VIA_82C686))
322 return;
323
324 /* Enable USB and IDE functions */
325 early_write_config_byte(hose, 1, 0x10, 0x48, 0x08);
326}
327
328void __init
329mpc85xx_cds_fixup_via(struct pci_controller *hose)
330{
331 u32 pci_class;
332 u16 vid, did;
333
334 early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
335 if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
336 return;
337
338 /*
339 * Force the backplane P2P bridge to have a window
340 * open from 0x00000000-0x00001fff in PCI I/O space.
341 * This allows legacy I/O (i8259, etc) on the VIA
342 * southbridge to be accessed.
343 */
344 early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00);
345 early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000);
346 early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10);
347 early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000);
348
349 early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
350 early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
351 if ((vid != PCI_VENDOR_ID_VIA) ||
352 (did != PCI_DEVICE_ID_VIA_82C686))
353 return;
354
355 /*
356 * Since the P2P window was forced to cover the fixed
357 * legacy I/O addresses, it is necessary to manually
358 * place the base addresses for the IDE and USB functions
359 * within this window.
360 */
361 /* Function 1, IDE */
362 early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8);
363 early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4);
364 early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8);
365 early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4);
366 early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0);
367
368 /* Function 2, USB ports 0-1 */
369 early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0);
370
371 /* Function 3, USB ports 2-3 */
372 early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80);
373
374 /* Function 5, Power Management */
375 early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00);
376 early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc);
377 early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8);
378
379 /* Function 6, AC97 Interface */
380 early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00);
381}
382
383void __init
384mpc85xx_cds_pcibios_fixup(void)
385{
386 struct pci_dev *dev = NULL;
387 u_char c;
388
389 if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
390 PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
391 /*
392 * U-Boot does not set the enable bits
393 * for the IDE device. Force them on here.
394 */
395 pci_read_config_byte(dev, 0x40, &c);
396 c |= 0x03; /* IDE: Chip Enable Bits */
397 pci_write_config_byte(dev, 0x40, c);
398
399 /*
400 * Since only primary interface works, force the
401 * IDE function to standard primary IDE interrupt
402 * w/ 8259 offset
403 */
404 dev->irq = 14;
405 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
406 }
407
408 /*
409 * Force legacy USB interrupt routing
410 */
411 if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
412 PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
413 dev->irq = 10;
414 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
415 }
416
417 if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
418 PCI_DEVICE_ID_VIA_82C586_2, dev))) {
419 dev->irq = 11;
420 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
421 }
422}
290#endif /* CONFIG_PCI */ 423#endif /* CONFIG_PCI */
291 424
292TODC_ALLOC(); 425TODC_ALLOC();
@@ -328,6 +461,9 @@ mpc85xx_cds_setup_arch(void)
328 loops_per_jiffy = freq / HZ; 461 loops_per_jiffy = freq / HZ;
329 462
330#ifdef CONFIG_PCI 463#ifdef CONFIG_PCI
464 /* VIA IDE configuration */
465 ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
466
331 /* setup PCI host bridges */ 467 /* setup PCI host bridges */
332 mpc85xx_setup_hose(); 468 mpc85xx_setup_hose();
333#endif 469#endif
@@ -459,6 +595,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
459#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) 595#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
460 ppc_md.progress = gen550_progress; 596 ppc_md.progress = gen550_progress;
461#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ 597#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
598#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
599 ppc_md.early_serial_map = mpc85xx_early_serial_map;
600#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
462 601
463 if (ppc_md.progress) 602 if (ppc_md.progress)
464 ppc_md.progress("mpc85xx_cds_init(): exit", 0); 603 ppc_md.progress("mpc85xx_cds_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
index 7627d77504bd..12b292c6ae32 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
@@ -77,4 +77,7 @@
77 77
78#define MPC85XX_PCI2_IO_SIZE 0x01000000 78#define MPC85XX_PCI2_IO_SIZE 0x01000000
79 79
80#define NR_8259_INTS 16
81#define CPM_IRQ_OFFSET NR_8259_INTS
82
80#endif /* __MACH_MPC85XX_CDS_H__ */ 83#endif /* __MACH_MPC85XX_CDS_H__ */
diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c
index 9ab05e590c3e..7b9e1543e175 100644
--- a/arch/ppc/platforms/85xx/sbc8560.c
+++ b/arch/ppc/platforms/85xx/sbc8560.c
@@ -221,6 +221,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
221#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG) 221#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
222 ppc_md.progress = gen550_progress; 222 ppc_md.progress = gen550_progress;
223#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */ 223#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
224#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
225 ppc_md.early_serial_map = sbc8560_early_serial_map;
226#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
224 227
225 if (ppc_md.progress) 228 if (ppc_md.progress)
226 ppc_md.progress("sbc8560_init(): exit", 0); 229 ppc_md.progress("sbc8560_init(): exit", 0);
diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c
index f7fb2786cd50..937f46df711e 100644
--- a/arch/ppc/platforms/pmac_cpufreq.c
+++ b/arch/ppc/platforms/pmac_cpufreq.c
@@ -85,14 +85,11 @@ static int no_schedule;
85static int has_cpu_l2lve; 85static int has_cpu_l2lve;
86 86
87 87
88#define PMAC_CPU_LOW_SPEED 1
89#define PMAC_CPU_HIGH_SPEED 0
90
91/* There are only two frequency states for each processor. Values 88/* There are only two frequency states for each processor. Values
92 * are in kHz for the time being. 89 * are in kHz for the time being.
93 */ 90 */
94#define CPUFREQ_HIGH PMAC_CPU_HIGH_SPEED 91#define CPUFREQ_HIGH 0
95#define CPUFREQ_LOW PMAC_CPU_LOW_SPEED 92#define CPUFREQ_LOW 1
96 93
97static struct cpufreq_frequency_table pmac_cpu_freqs[] = { 94static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
98 {CPUFREQ_HIGH, 0}, 95 {CPUFREQ_HIGH, 0},
@@ -100,6 +97,11 @@ static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
100 {0, CPUFREQ_TABLE_END}, 97 {0, CPUFREQ_TABLE_END},
101}; 98};
102 99
100static struct freq_attr* pmac_cpu_freqs_attr[] = {
101 &cpufreq_freq_attr_scaling_available_freqs,
102 NULL,
103};
104
103static inline void local_delay(unsigned long ms) 105static inline void local_delay(unsigned long ms)
104{ 106{
105 if (no_schedule) 107 if (no_schedule)
@@ -269,6 +271,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
269#ifdef DEBUG_FREQ 271#ifdef DEBUG_FREQ
270 printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1)); 272 printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1));
271#endif 273#endif
274 pmu_suspend();
275
272 /* Disable all interrupt sources on openpic */ 276 /* Disable all interrupt sources on openpic */
273 pic_prio = openpic_get_priority(); 277 pic_prio = openpic_get_priority();
274 openpic_set_priority(0xf); 278 openpic_set_priority(0xf);
@@ -343,6 +347,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
343 debug_calc_bogomips(); 347 debug_calc_bogomips();
344#endif 348#endif
345 349
350 pmu_resume();
351
346 preempt_enable(); 352 preempt_enable();
347 353
348 return 0; 354 return 0;
@@ -355,7 +361,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
355 static unsigned long prev_l3cr; 361 static unsigned long prev_l3cr;
356 362
357 freqs.old = cur_freq; 363 freqs.old = cur_freq;
358 freqs.new = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq; 364 freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
359 freqs.cpu = smp_processor_id(); 365 freqs.cpu = smp_processor_id();
360 366
361 if (freqs.old == freqs.new) 367 if (freqs.old == freqs.new)
@@ -363,7 +369,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
363 369
364 if (notify) 370 if (notify)
365 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); 371 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
366 if (speed_mode == PMAC_CPU_LOW_SPEED && 372 if (speed_mode == CPUFREQ_LOW &&
367 cpu_has_feature(CPU_FTR_L3CR)) { 373 cpu_has_feature(CPU_FTR_L3CR)) {
368 l3cr = _get_L3CR(); 374 l3cr = _get_L3CR();
369 if (l3cr & L3CR_L3E) { 375 if (l3cr & L3CR_L3E) {
@@ -371,8 +377,8 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
371 _set_L3CR(0); 377 _set_L3CR(0);
372 } 378 }
373 } 379 }
374 set_speed_proc(speed_mode == PMAC_CPU_LOW_SPEED); 380 set_speed_proc(speed_mode == CPUFREQ_LOW);
375 if (speed_mode == PMAC_CPU_HIGH_SPEED && 381 if (speed_mode == CPUFREQ_HIGH &&
376 cpu_has_feature(CPU_FTR_L3CR)) { 382 cpu_has_feature(CPU_FTR_L3CR)) {
377 l3cr = _get_L3CR(); 383 l3cr = _get_L3CR();
378 if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr) 384 if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr)
@@ -380,7 +386,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
380 } 386 }
381 if (notify) 387 if (notify)
382 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); 388 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
383 cur_freq = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq; 389 cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
384 390
385 return 0; 391 return 0;
386} 392}
@@ -423,7 +429,8 @@ static int __pmac pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
423 policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; 429 policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
424 policy->cur = cur_freq; 430 policy->cur = cur_freq;
425 431
426 return cpufreq_frequency_table_cpuinfo(policy, &pmac_cpu_freqs[0]); 432 cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu);
433 return cpufreq_frequency_table_cpuinfo(policy, pmac_cpu_freqs);
427} 434}
428 435
429static u32 __pmac read_gpio(struct device_node *np) 436static u32 __pmac read_gpio(struct device_node *np)
@@ -457,7 +464,7 @@ static int __pmac pmac_cpufreq_suspend(struct cpufreq_policy *policy, u32 state)
457 no_schedule = 1; 464 no_schedule = 1;
458 sleep_freq = cur_freq; 465 sleep_freq = cur_freq;
459 if (cur_freq == low_freq) 466 if (cur_freq == low_freq)
460 do_set_cpu_speed(PMAC_CPU_HIGH_SPEED, 0); 467 do_set_cpu_speed(CPUFREQ_HIGH, 0);
461 return 0; 468 return 0;
462} 469}
463 470
@@ -473,8 +480,8 @@ static int __pmac pmac_cpufreq_resume(struct cpufreq_policy *policy)
473 * is that we force a switch to whatever it was, which is 480 * is that we force a switch to whatever it was, which is
474 * probably high speed due to our suspend() routine 481 * probably high speed due to our suspend() routine
475 */ 482 */
476 do_set_cpu_speed(sleep_freq == low_freq ? PMAC_CPU_LOW_SPEED 483 do_set_cpu_speed(sleep_freq == low_freq ?
477 : PMAC_CPU_HIGH_SPEED, 0); 484 CPUFREQ_LOW : CPUFREQ_HIGH, 0);
478 485
479 no_schedule = 0; 486 no_schedule = 0;
480 return 0; 487 return 0;
@@ -488,6 +495,7 @@ static struct cpufreq_driver pmac_cpufreq_driver = {
488 .suspend = pmac_cpufreq_suspend, 495 .suspend = pmac_cpufreq_suspend,
489 .resume = pmac_cpufreq_resume, 496 .resume = pmac_cpufreq_resume,
490 .flags = CPUFREQ_PM_NO_WARN, 497 .flags = CPUFREQ_PM_NO_WARN,
498 .attr = pmac_cpu_freqs_attr,
491 .name = "powermac", 499 .name = "powermac",
492 .owner = THIS_MODULE, 500 .owner = THIS_MODULE,
493}; 501};
diff --git a/arch/ppc/platforms/pq2ads.h b/arch/ppc/platforms/pq2ads.h
index cf5e5dd06d63..067d9a5aebc1 100644
--- a/arch/ppc/platforms/pq2ads.h
+++ b/arch/ppc/platforms/pq2ads.h
@@ -49,10 +49,10 @@
49/* PCI interrupt controller */ 49/* PCI interrupt controller */
50#define PCI_INT_STAT_REG 0xF8200000 50#define PCI_INT_STAT_REG 0xF8200000
51#define PCI_INT_MASK_REG 0xF8200004 51#define PCI_INT_MASK_REG 0xF8200004
52#define PIRQA (NR_SIU_INTS + 0) 52#define PIRQA (NR_CPM_INTS + 0)
53#define PIRQB (NR_SIU_INTS + 1) 53#define PIRQB (NR_CPM_INTS + 1)
54#define PIRQC (NR_SIU_INTS + 2) 54#define PIRQC (NR_CPM_INTS + 2)
55#define PIRQD (NR_SIU_INTS + 3) 55#define PIRQD (NR_CPM_INTS + 3)
56 56
57/* 57/*
58 * PCI memory map definitions for MPC8266ADS-PCI. 58 * PCI memory map definitions for MPC8266ADS-PCI.
@@ -68,28 +68,23 @@
68 * 0x00000000-0x1FFFFFFF 0x00000000-0x1FFFFFFF MPC8266 local memory 68 * 0x00000000-0x1FFFFFFF 0x00000000-0x1FFFFFFF MPC8266 local memory
69 */ 69 */
70 70
71/* window for a PCI master to access MPC8266 memory */ 71/* All the other PCI memory map definitions reside at syslib/m82xx_pci.h
72#define PCI_SLV_MEM_LOCAL 0x00000000 /* Local base */ 72 Here we should redefine what is unique for this board */
73#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */ 73#define M82xx_PCI_SLAVE_MEM_LOCAL 0x00000000 /* Local base */
74#define M82xx_PCI_SLAVE_MEM_BUS 0x00000000 /* PCI base */
75#define M82xx_PCI_SLAVE_MEM_SIZE 0x10000000 /* 256 Mb */
74 76
75/* window for the processor to access PCI memory with prefetching */ 77#define M82xx_PCI_SLAVE_SEC_WND_SIZE ~(0x40000000 - 1U) /* 2 x 512Mb */
76#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */ 78#define M82xx_PCI_SLAVE_SEC_WND_BASE 0x80000000 /* PCI Memory base */
77#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */
78#define PCI_MSTR_MEM_SIZE 0x20000000 /* 512MB */
79 79
80/* window for the processor to access PCI memory without prefetching */ 80#if defined(CONFIG_ADS8272)
81#define PCI_MSTR_MEMIO_LOCAL 0xA0000000 /* Local base */ 81#define PCI_INT_TO_SIU SIU_INT_IRQ2
82#define PCI_MSTR_MEMIO_BUS 0xA0000000 /* PCI base */ 82#elif defined(CONFIG_PQ2FADS)
83#define PCI_MSTR_MEMIO_SIZE 0x20000000 /* 512MB */ 83#define PCI_INT_TO_SIU SIU_INT_IRQ6
84#else
85#warning PCI Bridge will be without interrupts support
86#endif
84 87
85/* window for the processor to access PCI I/O */
86#define PCI_MSTR_IO_LOCAL 0xF4000000 /* Local base */
87#define PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
88#define PCI_MSTR_IO_SIZE 0x04000000 /* 64MB */
89
90#define _IO_BASE PCI_MSTR_IO_LOCAL
91#define _ISA_MEM_BASE PCI_MSTR_MEMIO_LOCAL
92#define PCI_DRAM_OFFSET PCI_SLV_MEM_BUS
93#endif /* CONFIG_PCI */ 88#endif /* CONFIG_PCI */
94 89
95#endif /* __MACH_ADS8260_DEFS */ 90#endif /* __MACH_ADS8260_DEFS */
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index dd418ea3426c..96acf85800d4 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -81,7 +81,7 @@ obj-$(CONFIG_SBC82xx) += todc_time.o
81obj-$(CONFIG_SPRUCE) += cpc700_pic.o indirect_pci.o pci_auto.o \ 81obj-$(CONFIG_SPRUCE) += cpc700_pic.o indirect_pci.o pci_auto.o \
82 todc_time.o 82 todc_time.o
83obj-$(CONFIG_8260) += m8260_setup.o 83obj-$(CONFIG_8260) += m8260_setup.o
84obj-$(CONFIG_PCI_8260) += m8260_pci.o indirect_pci.o 84obj-$(CONFIG_PCI_8260) += m82xx_pci.o indirect_pci.o pci_auto.o
85obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o 85obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o
86obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o 86obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o
87ifeq ($(CONFIG_PPC_GEN550),y) 87ifeq ($(CONFIG_PPC_GEN550),y)
@@ -97,7 +97,7 @@ obj-$(CONFIG_MPC10X_OPENPIC) += open_pic.o
97obj-$(CONFIG_40x) += dcr.o 97obj-$(CONFIG_40x) += dcr.o
98obj-$(CONFIG_BOOKE) += dcr.o 98obj-$(CONFIG_BOOKE) += dcr.o
99obj-$(CONFIG_85xx) += open_pic.o ppc85xx_common.o ppc85xx_setup.o \ 99obj-$(CONFIG_85xx) += open_pic.o ppc85xx_common.o ppc85xx_setup.o \
100 ppc_sys.o mpc85xx_sys.o \ 100 ppc_sys.o i8259.o mpc85xx_sys.o \
101 mpc85xx_devices.o 101 mpc85xx_devices.o
102ifeq ($(CONFIG_85xx),y) 102ifeq ($(CONFIG_85xx),y)
103obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o 103obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
index acb2cde3171f..580ed658e872 100644
--- a/arch/ppc/syslib/ipic.c
+++ b/arch/ppc/syslib/ipic.c
@@ -479,7 +479,7 @@ void __init ipic_init(phys_addr_t phys_addr,
479 temp = 0; 479 temp = 0;
480 for (i = 0 ; i < senses_count ; i++) { 480 for (i = 0 ; i < senses_count ; i++) {
481 if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) { 481 if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
482 temp |= 1 << (16 - i); 482 temp |= 1 << (15 - i);
483 if (i != 0) 483 if (i != 0)
484 irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0; 484 irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
485 else 485 else
diff --git a/arch/ppc/syslib/m8260_pci.c b/arch/ppc/syslib/m8260_pci.c
deleted file mode 100644
index 057cc3f8ff37..000000000000
--- a/arch/ppc/syslib/m8260_pci.c
+++ /dev/null
@@ -1,193 +0,0 @@
1/*
2 * (C) Copyright 2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2004 Red Hat, Inc.
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26#include <linux/kernel.h>
27#include <linux/init.h>
28#include <linux/pci.h>
29#include <linux/slab.h>
30#include <linux/delay.h>
31
32#include <asm/byteorder.h>
33#include <asm/io.h>
34#include <asm/irq.h>
35#include <asm/uaccess.h>
36#include <asm/machdep.h>
37#include <asm/pci-bridge.h>
38#include <asm/immap_cpm2.h>
39#include <asm/mpc8260.h>
40
41#include "m8260_pci.h"
42
43
44/* PCI bus configuration registers.
45 */
46
47static void __init m8260_setup_pci(struct pci_controller *hose)
48{
49 volatile cpm2_map_t *immap = cpm2_immr;
50 unsigned long pocmr;
51 u16 tempShort;
52
53#ifndef CONFIG_ATC /* already done in U-Boot */
54 /*
55 * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
56 * and local bus for PCI (SIUMCR [LBPC]).
57 */
58 immap->im_siu_conf.siu_82xx.sc_siumcr = 0x00640000;
59#endif
60
61 /* Make PCI lowest priority */
62 /* Each 4 bits is a device bus request and the MS 4bits
63 is highest priority */
64 /* Bus 4bit value
65 --- ----------
66 CPM high 0b0000
67 CPM middle 0b0001
68 CPM low 0b0010
69 PCI reguest 0b0011
70 Reserved 0b0100
71 Reserved 0b0101
72 Internal Core 0b0110
73 External Master 1 0b0111
74 External Master 2 0b1000
75 External Master 3 0b1001
76 The rest are reserved */
77 immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
78
79 /* Park bus on core while modifying PCI Bus accesses */
80 immap->im_siu_conf.siu_82xx.sc_ppc_acr = 0x6;
81
82 /*
83 * Set up master window that allows the CPU to access PCI space. This
84 * window is set up using the first SIU PCIBR registers.
85 */
86 immap->im_memctl.memc_pcimsk0 = MPC826x_PCI_MASK;
87 immap->im_memctl.memc_pcibr0 = MPC826x_PCI_BASE | PCIBR_ENABLE;
88
89 /* Disable machine check on no response or target abort */
90 immap->im_pci.pci_emr = cpu_to_le32(0x1fe7);
91 /* Release PCI RST (by default the PCI RST signal is held low) */
92 immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
93
94 /* give it some time */
95 mdelay(1);
96
97 /*
98 * Set up master window that allows the CPU to access PCI Memory (prefetch)
99 * space. This window is set up using the first set of Outbound ATU registers.
100 */
101 immap->im_pci.pci_potar0 = cpu_to_le32(MPC826x_PCI_LOWER_MEM >> 12);
102 immap->im_pci.pci_pobar0 = cpu_to_le32((MPC826x_PCI_LOWER_MEM - MPC826x_PCI_MEM_OFFSET) >> 12);
103 pocmr = ((MPC826x_PCI_UPPER_MEM - MPC826x_PCI_LOWER_MEM) >> 12) ^ 0xfffff;
104 immap->im_pci.pci_pocmr0 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PREFETCH_EN);
105
106 /*
107 * Set up master window that allows the CPU to access PCI Memory (non-prefetch)
108 * space. This window is set up using the second set of Outbound ATU registers.
109 */
110 immap->im_pci.pci_potar1 = cpu_to_le32(MPC826x_PCI_LOWER_MMIO >> 12);
111 immap->im_pci.pci_pobar1 = cpu_to_le32((MPC826x_PCI_LOWER_MMIO - MPC826x_PCI_MMIO_OFFSET) >> 12);
112 pocmr = ((MPC826x_PCI_UPPER_MMIO - MPC826x_PCI_LOWER_MMIO) >> 12) ^ 0xfffff;
113 immap->im_pci.pci_pocmr1 = cpu_to_le32(pocmr | POCMR_ENABLE);
114
115 /*
116 * Set up master window that allows the CPU to access PCI IO space. This window
117 * is set up using the third set of Outbound ATU registers.
118 */
119 immap->im_pci.pci_potar2 = cpu_to_le32(MPC826x_PCI_IO_BASE >> 12);
120 immap->im_pci.pci_pobar2 = cpu_to_le32(MPC826x_PCI_LOWER_IO >> 12);
121 pocmr = ((MPC826x_PCI_UPPER_IO - MPC826x_PCI_LOWER_IO) >> 12) ^ 0xfffff;
122 immap->im_pci.pci_pocmr2 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PCI_IO);
123
124 /*
125 * Set up slave window that allows PCI masters to access MPC826x local memory.
126 * This window is set up using the first set of Inbound ATU registers
127 */
128
129 immap->im_pci.pci_pitar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_LOCAL >> 12);
130 immap->im_pci.pci_pibar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_BUS >> 12);
131 pocmr = ((MPC826x_PCI_SLAVE_MEM_SIZE-1) >> 12) ^ 0xfffff;
132 immap->im_pci.pci_picmr0 = cpu_to_le32(pocmr | PICMR_ENABLE | PICMR_PREFETCH_EN);
133
134 /* See above for description - puts PCI request as highest priority */
135 immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
136
137 /* Park the bus on the PCI */
138 immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
139
140 /* Host mode - specify the bridge as a host-PCI bridge */
141 early_write_config_word(hose, 0, 0, PCI_CLASS_DEVICE, PCI_CLASS_BRIDGE_HOST);
142
143 /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
144 early_read_config_word(hose, 0, 0, PCI_COMMAND, &tempShort);
145 early_write_config_word(hose, 0, 0, PCI_COMMAND,
146 tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
147}
148
149void __init m8260_find_bridges(void)
150{
151 extern int pci_assign_all_busses;
152 struct pci_controller * hose;
153
154 pci_assign_all_busses = 1;
155
156 hose = pcibios_alloc_controller();
157
158 if (!hose)
159 return;
160
161 ppc_md.pci_swizzle = common_swizzle;
162
163 hose->first_busno = 0;
164 hose->bus_offset = 0;
165 hose->last_busno = 0xff;
166
167 setup_m8260_indirect_pci(hose,
168 (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
169 (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
170
171 m8260_setup_pci(hose);
172 hose->pci_mem_offset = MPC826x_PCI_MEM_OFFSET;
173
174 hose->io_base_virt = ioremap(MPC826x_PCI_IO_BASE,
175 MPC826x_PCI_IO_SIZE);
176 isa_io_base = (unsigned long) hose->io_base_virt;
177
178 /* setup resources */
179 pci_init_resource(&hose->mem_resources[0],
180 MPC826x_PCI_LOWER_MEM,
181 MPC826x_PCI_UPPER_MEM,
182 IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
183
184 pci_init_resource(&hose->mem_resources[1],
185 MPC826x_PCI_LOWER_MMIO,
186 MPC826x_PCI_UPPER_MMIO,
187 IORESOURCE_MEM, "PCI memory");
188
189 pci_init_resource(&hose->io_resource,
190 MPC826x_PCI_LOWER_IO,
191 MPC826x_PCI_UPPER_IO,
192 IORESOURCE_IO, "PCI I/O");
193}
diff --git a/arch/ppc/syslib/m8260_pci.h b/arch/ppc/syslib/m8260_pci.h
deleted file mode 100644
index d1352120acd7..000000000000
--- a/arch/ppc/syslib/m8260_pci.h
+++ /dev/null
@@ -1,76 +0,0 @@
1
2#ifndef _PPC_KERNEL_M8260_PCI_H
3#define _PPC_KERNEL_M8260_PCI_H
4
5#include <asm/m8260_pci.h>
6
7/*
8 * Local->PCI map (from CPU) controlled by
9 * MPC826x master window
10 *
11 * 0x80000000 - 0xBFFFFFFF Total CPU2PCI space PCIBR0
12 *
13 * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1)
14 * 0xA0000000 - 0xAFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2)
15 * 0xB0000000 - 0xB0FFFFFF 32-bit PCI IO (Outbound ATU #3)
16 *
17 * PCI->Local map (from PCI)
18 * MPC826x slave window controlled by
19 *
20 * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1)
21 */
22
23/*
24 * Slave window that allows PCI masters to access MPC826x local memory.
25 * This window is set up using the first set of Inbound ATU registers
26 */
27
28#ifndef MPC826x_PCI_SLAVE_MEM_LOCAL
29#define MPC826x_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart)
30#define MPC826x_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart)
31#define MPC826x_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize)
32#endif
33
34/*
35 * This is the window that allows the CPU to access PCI address space.
36 * It will be setup with the SIU PCIBR0 register. All three PCI master
37 * windows, which allow the CPU to access PCI prefetch, non prefetch,
38 * and IO space (see below), must all fit within this window.
39 */
40#ifndef MPC826x_PCI_BASE
41#define MPC826x_PCI_BASE 0x80000000
42#define MPC826x_PCI_MASK 0xc0000000
43#endif
44
45#ifndef MPC826x_PCI_LOWER_MEM
46#define MPC826x_PCI_LOWER_MEM 0x80000000
47#define MPC826x_PCI_UPPER_MEM 0x9fffffff
48#define MPC826x_PCI_MEM_OFFSET 0x00000000
49#endif
50
51#ifndef MPC826x_PCI_LOWER_MMIO
52#define MPC826x_PCI_LOWER_MMIO 0xa0000000
53#define MPC826x_PCI_UPPER_MMIO 0xafffffff
54#define MPC826x_PCI_MMIO_OFFSET 0x00000000
55#endif
56
57#ifndef MPC826x_PCI_LOWER_IO
58#define MPC826x_PCI_LOWER_IO 0x00000000
59#define MPC826x_PCI_UPPER_IO 0x00ffffff
60#define MPC826x_PCI_IO_BASE 0xb0000000
61#define MPC826x_PCI_IO_SIZE 0x01000000
62#endif
63
64#ifndef _IO_BASE
65#define _IO_BASE isa_io_base
66#endif
67
68#ifdef CONFIG_8260_PCI9
69struct pci_controller;
70extern void setup_m8260_indirect_pci(struct pci_controller* hose,
71 u32 cfg_addr, u32 cfg_data);
72#else
73#define setup_m8260_indirect_pci setup_indirect_pci
74#endif
75
76#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/m8260_pci_erratum9.c b/arch/ppc/syslib/m8260_pci_erratum9.c
index 9c0582d639e0..1dc7e4e1d491 100644
--- a/arch/ppc/syslib/m8260_pci_erratum9.c
+++ b/arch/ppc/syslib/m8260_pci_erratum9.c
@@ -31,7 +31,7 @@
31#include <asm/immap_cpm2.h> 31#include <asm/immap_cpm2.h>
32#include <asm/cpm2.h> 32#include <asm/cpm2.h>
33 33
34#include "m8260_pci.h" 34#include "m82xx_pci.h"
35 35
36#ifdef CONFIG_8260_PCI9 36#ifdef CONFIG_8260_PCI9
37/*#include <asm/mpc8260_pci9.h>*/ /* included in asm/io.h */ 37/*#include <asm/mpc8260_pci9.h>*/ /* included in asm/io.h */
@@ -248,11 +248,11 @@ EXPORT_SYMBOL(idma_pci9_read_le);
248 248
249static inline int is_pci_mem(unsigned long addr) 249static inline int is_pci_mem(unsigned long addr)
250{ 250{
251 if (addr >= MPC826x_PCI_LOWER_MMIO && 251 if (addr >= M82xx_PCI_LOWER_MMIO &&
252 addr <= MPC826x_PCI_UPPER_MMIO) 252 addr <= M82xx_PCI_UPPER_MMIO)
253 return 1; 253 return 1;
254 if (addr >= MPC826x_PCI_LOWER_MEM && 254 if (addr >= M82xx_PCI_LOWER_MEM &&
255 addr <= MPC826x_PCI_UPPER_MEM) 255 addr <= M82xx_PCI_UPPER_MEM)
256 return 1; 256 return 1;
257 return 0; 257 return 0;
258} 258}
diff --git a/arch/ppc/syslib/m8260_setup.c b/arch/ppc/syslib/m8260_setup.c
index 23ea3f694de2..fda75d79050c 100644
--- a/arch/ppc/syslib/m8260_setup.c
+++ b/arch/ppc/syslib/m8260_setup.c
@@ -34,7 +34,8 @@
34unsigned char __res[sizeof(bd_t)]; 34unsigned char __res[sizeof(bd_t)];
35 35
36extern void cpm2_reset(void); 36extern void cpm2_reset(void);
37extern void m8260_find_bridges(void); 37extern void pq2_find_bridges(void);
38extern void pq2pci_init_irq(void);
38extern void idma_pci9_init(void); 39extern void idma_pci9_init(void);
39 40
40/* Place-holder for board-specific init */ 41/* Place-holder for board-specific init */
@@ -56,7 +57,7 @@ m8260_setup_arch(void)
56 idma_pci9_init(); 57 idma_pci9_init();
57#endif 58#endif
58#ifdef CONFIG_PCI_8260 59#ifdef CONFIG_PCI_8260
59 m8260_find_bridges(); 60 pq2_find_bridges();
60#endif 61#endif
61#ifdef CONFIG_BLK_DEV_INITRD 62#ifdef CONFIG_BLK_DEV_INITRD
62 if (initrd_start) 63 if (initrd_start)
@@ -173,6 +174,12 @@ m8260_init_IRQ(void)
173 * in case the boot rom changed something on us. 174 * in case the boot rom changed something on us.
174 */ 175 */
175 cpm2_immr->im_intctl.ic_siprr = 0x05309770; 176 cpm2_immr->im_intctl.ic_siprr = 0x05309770;
177
178#if defined(CONFIG_PCI) && (defined(CONFIG_ADS8272) || defined(CONFIG_PQ2FADS))
179 /* Initialize stuff for the 82xx CPLD IC and install demux */
180 pq2pci_init_irq();
181#endif
182
176} 183}
177 184
178/* 185/*
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
new file mode 100644
index 000000000000..5e7a7edcea74
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -0,0 +1,383 @@
1/*
2 *
3 * (C) Copyright 2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 *
6 * (C) Copyright 2004 Red Hat, Inc.
7 *
8 * 2005 (c) MontaVista Software, Inc.
9 * Vitaly Bordug <vbordug@ru.mvista.com>
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#include <linux/kernel.h>
31#include <linux/init.h>
32#include <linux/pci.h>
33#include <linux/slab.h>
34#include <linux/delay.h>
35#include <linux/irq.h>
36#include <linux/interrupt.h>
37
38#include <asm/byteorder.h>
39#include <asm/io.h>
40#include <asm/irq.h>
41#include <asm/uaccess.h>
42#include <asm/machdep.h>
43#include <asm/pci-bridge.h>
44#include <asm/immap_cpm2.h>
45#include <asm/mpc8260.h>
46#include <asm/cpm2.h>
47
48#include "m82xx_pci.h"
49
50/*
51 * Interrupt routing
52 */
53
54static inline int
55pq2pci_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
56{
57 static char pci_irq_table[][4] =
58 /*
59 * PCI IDSEL/INTPIN->INTLINE
60 * A B C D
61 */
62 {
63 { PIRQA, PIRQB, PIRQC, PIRQD }, /* IDSEL 22 - PCI slot 0 */
64 { PIRQD, PIRQA, PIRQB, PIRQC }, /* IDSEL 23 - PCI slot 1 */
65 { PIRQC, PIRQD, PIRQA, PIRQB }, /* IDSEL 24 - PCI slot 2 */
66 };
67
68 const long min_idsel = 22, max_idsel = 24, irqs_per_slot = 4;
69 return PCI_IRQ_TABLE_LOOKUP;
70}
71
72static void
73pq2pci_mask_irq(unsigned int irq)
74{
75 int bit = irq - NR_CPM_INTS;
76
77 *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
78 return;
79}
80
81static void
82pq2pci_unmask_irq(unsigned int irq)
83{
84 int bit = irq - NR_CPM_INTS;
85
86 *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
87 return;
88}
89
90static void
91pq2pci_mask_and_ack(unsigned int irq)
92{
93 int bit = irq - NR_CPM_INTS;
94
95 *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
96 return;
97}
98
99static void
100pq2pci_end_irq(unsigned int irq)
101{
102 int bit = irq - NR_CPM_INTS;
103
104 *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
105 return;
106}
107
108struct hw_interrupt_type pq2pci_ic = {
109 "PQ2 PCI",
110 NULL,
111 NULL,
112 pq2pci_unmask_irq,
113 pq2pci_mask_irq,
114 pq2pci_mask_and_ack,
115 pq2pci_end_irq,
116 0
117};
118
119static irqreturn_t
120pq2pci_irq_demux(int irq, void *dev_id, struct pt_regs *regs)
121{
122 unsigned long stat, mask, pend;
123 int bit;
124
125 for(;;) {
126 stat = *(volatile unsigned long *) PCI_INT_STAT_REG;
127 mask = *(volatile unsigned long *) PCI_INT_MASK_REG;
128 pend = stat & ~mask & 0xf0000000;
129 if (!pend)
130 break;
131 for (bit = 0; pend != 0; ++bit, pend <<= 1) {
132 if (pend & 0x80000000)
133 __do_IRQ(NR_CPM_INTS + bit, regs);
134 }
135 }
136
137 return IRQ_HANDLED;
138}
139
140static struct irqaction pq2pci_irqaction = {
141 .handler = pq2pci_irq_demux,
142 .flags = SA_INTERRUPT,
143 .mask = CPU_MASK_NONE,
144 .name = "PQ2 PCI cascade",
145};
146
147
148void
149pq2pci_init_irq(void)
150{
151 int irq;
152 volatile cpm2_map_t *immap = cpm2_immr;
153#if defined CONFIG_ADS8272
154 /* configure chip select for PCI interrupt controller */
155 immap->im_memctl.memc_br3 = PCI_INT_STAT_REG | 0x00001801;
156 immap->im_memctl.memc_or3 = 0xffff8010;
157#elif defined CONFIG_PQ2FADS
158 immap->im_memctl.memc_br8 = PCI_INT_STAT_REG | 0x00001801;
159 immap->im_memctl.memc_or8 = 0xffff8010;
160#endif
161 for (irq = NR_CPM_INTS; irq < NR_CPM_INTS + 4; irq++)
162 irq_desc[irq].handler = &pq2pci_ic;
163
164 /* make PCI IRQ level sensitive */
165 immap->im_intctl.ic_siexr &=
166 ~(1 << (14 - (PCI_INT_TO_SIU - SIU_INT_IRQ1)));
167
168 /* mask all PCI interrupts */
169 *(volatile unsigned long *) PCI_INT_MASK_REG |= 0xfff00000;
170
171 /* install the demultiplexer for the PCI cascade interrupt */
172 setup_irq(PCI_INT_TO_SIU, &pq2pci_irqaction);
173 return;
174}
175
176static int
177pq2pci_exclude_device(u_char bus, u_char devfn)
178{
179 return PCIBIOS_SUCCESSFUL;
180}
181
182/* PCI bus configuration registers.
183 */
184static void
185pq2ads_setup_pci(struct pci_controller *hose)
186{
187 __u32 val;
188 volatile cpm2_map_t *immap = cpm2_immr;
189 bd_t* binfo = (bd_t*) __res;
190 u32 sccr = immap->im_clkrst.car_sccr;
191 uint pci_div,freq,time;
192 /* PCI int lowest prio */
193 /* Each 4 bits is a device bus request and the MS 4bits
194 is highest priority */
195 /* Bus 4bit value
196 --- ----------
197 CPM high 0b0000
198 CPM middle 0b0001
199 CPM low 0b0010
200 PCI reguest 0b0011
201 Reserved 0b0100
202 Reserved 0b0101
203 Internal Core 0b0110
204 External Master 1 0b0111
205 External Master 2 0b1000
206 External Master 3 0b1001
207 The rest are reserved
208 */
209 immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
210 /* park bus on core */
211 immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_CORE;
212 /*
213 * Set up master windows that allow the CPU to access PCI space. These
214 * windows are set up using the two SIU PCIBR registers.
215 */
216
217 immap->im_memctl.memc_pcimsk0 = M82xx_PCI_PRIM_WND_SIZE;
218 immap->im_memctl.memc_pcibr0 = M82xx_PCI_PRIM_WND_BASE | PCIBR_ENABLE;
219
220#ifdef M82xx_PCI_SEC_WND_SIZE
221 immap->im_memctl.memc_pcimsk1 = M82xx_PCI_SEC_WND_SIZE;
222 immap->im_memctl.memc_pcibr1 = M82xx_PCI_SEC_WND_BASE | PCIBR_ENABLE;
223#endif
224
225#if defined CONFIG_ADS8272
226 immap->im_siu_conf.siu_82xx.sc_siumcr =
227 (immap->im_siu_conf.siu_82xx.sc_siumcr &
228 ~(SIUMCR_BBD | SIUMCR_ESE | SIUMCR_PBSE |
229 SIUMCR_CDIS | SIUMCR_DPPC11 | SIUMCR_L2CPC11 |
230 SIUMCR_LBPC11 | SIUMCR_APPC11 |
231 SIUMCR_CS10PC11 | SIUMCR_BCTLC11 | SIUMCR_MMR11)) |
232 SIUMCR_DPPC11 | SIUMCR_L2CPC01 | SIUMCR_LBPC00 |
233 SIUMCR_APPC10 | SIUMCR_CS10PC00 |
234 SIUMCR_BCTLC00 | SIUMCR_MMR11 ;
235
236#elif defined CONFIG_PQ2FADS
237 /*
238 * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
239 * and local bus for PCI (SIUMCR [LBPC]).
240 */
241 immap->im_siu_conf.siu_82xx.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
242 ~(SIUMCR_L2PC11 | SIUMCR_LBPC11 | SIUMCR_CS10PC11 | SIUMCR_APPC11) |
243 SIUMCR_BBD | SIUMCR_LBPC01 | SIUMCR_DPPC11 | SIUMCR_APPC10;
244#endif
245 /* Enable PCI */
246 immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
247
248 pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) *
249 ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1);
250 freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div));
251 time = (int)666666/freq;
252 /* due to PCI Local Bus spec, some devices needs to wait such a long
253 time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */
254 printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq,
255 (time==1) ? "0.5 seconds":"1 second" );
256
257 {
258 int i;
259 for(i=0;i<(500*time);i++)
260 udelay(1000);
261 }
262
263 /* setup ATU registers */
264 immap->im_pci.pci_pocmr0 = cpu_to_le32(POCMR_ENABLE | POCMR_PCI_IO |
265 ((~(M82xx_PCI_IO_SIZE - 1U)) >> POTA_ADDR_SHIFT));
266 immap->im_pci.pci_potar0 = cpu_to_le32(M82xx_PCI_LOWER_IO >> POTA_ADDR_SHIFT);
267 immap->im_pci.pci_pobar0 = cpu_to_le32(M82xx_PCI_IO_BASE >> POTA_ADDR_SHIFT);
268
269 /* Set-up non-prefetchable window */
270 immap->im_pci.pci_pocmr1 = cpu_to_le32(POCMR_ENABLE | ((~(M82xx_PCI_MMIO_SIZE-1U)) >> POTA_ADDR_SHIFT));
271 immap->im_pci.pci_potar1 = cpu_to_le32(M82xx_PCI_LOWER_MMIO >> POTA_ADDR_SHIFT);
272 immap->im_pci.pci_pobar1 = cpu_to_le32((M82xx_PCI_LOWER_MMIO - M82xx_PCI_MMIO_OFFSET) >> POTA_ADDR_SHIFT);
273
274 /* Set-up prefetchable window */
275 immap->im_pci.pci_pocmr2 = cpu_to_le32(POCMR_ENABLE |POCMR_PREFETCH_EN |
276 (~(M82xx_PCI_MEM_SIZE-1U) >> POTA_ADDR_SHIFT));
277 immap->im_pci.pci_potar2 = cpu_to_le32(M82xx_PCI_LOWER_MEM >> POTA_ADDR_SHIFT);
278 immap->im_pci.pci_pobar2 = cpu_to_le32((M82xx_PCI_LOWER_MEM - M82xx_PCI_MEM_OFFSET) >> POTA_ADDR_SHIFT);
279
280 /* Inbound transactions from PCI memory space */
281 immap->im_pci.pci_picmr0 = cpu_to_le32(PICMR_ENABLE | PICMR_PREFETCH_EN |
282 ((~(M82xx_PCI_SLAVE_MEM_SIZE-1U)) >> PITA_ADDR_SHIFT));
283 immap->im_pci.pci_pibar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_BUS >> PITA_ADDR_SHIFT);
284 immap->im_pci.pci_pitar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_LOCAL>> PITA_ADDR_SHIFT);
285
286#if defined CONFIG_ADS8272
287 /* PCI int highest prio */
288 immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x01236745;
289#elif defined CONFIG_PQ2FADS
290 immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
291#endif
292 /* park bus on PCI */
293 immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
294
295 /* Enable bus mastering and inbound memory transactions */
296 early_read_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, &val);
297 val &= 0xffff0000;
298 val |= PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER;
299 early_write_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, val);
300
301}
302
303void __init pq2_find_bridges(void)
304{
305 extern int pci_assign_all_busses;
306 struct pci_controller * hose;
307 int host_bridge;
308
309 pci_assign_all_busses = 1;
310
311 hose = pcibios_alloc_controller();
312
313 if (!hose)
314 return;
315
316 ppc_md.pci_swizzle = common_swizzle;
317
318 hose->first_busno = 0;
319 hose->bus_offset = 0;
320 hose->last_busno = 0xff;
321
322#ifdef CONFIG_ADS8272
323 hose->set_cfg_type = 1;
324#endif
325
326 setup_m8260_indirect_pci(hose,
327 (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
328 (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
329
330 /* Make sure it is a supported bridge */
331 early_read_config_dword(hose,
332 0,
333 PCI_DEVFN(0,0),
334 PCI_VENDOR_ID,
335 &host_bridge);
336 switch (host_bridge) {
337 case PCI_DEVICE_ID_MPC8265:
338 break;
339 case PCI_DEVICE_ID_MPC8272:
340 break;
341 default:
342 printk("Attempting to use unrecognized host bridge ID"
343 " 0x%08x.\n", host_bridge);
344 break;
345 }
346
347 pq2ads_setup_pci(hose);
348
349 hose->io_space.start = M82xx_PCI_LOWER_IO;
350 hose->io_space.end = M82xx_PCI_UPPER_IO;
351 hose->mem_space.start = M82xx_PCI_LOWER_MEM;
352 hose->mem_space.end = M82xx_PCI_UPPER_MMIO;
353 hose->pci_mem_offset = M82xx_PCI_MEM_OFFSET;
354
355 isa_io_base =
356 (unsigned long) ioremap(M82xx_PCI_IO_BASE,
357 M82xx_PCI_IO_SIZE);
358 hose->io_base_virt = (void *) isa_io_base;
359
360 /* setup resources */
361 pci_init_resource(&hose->mem_resources[0],
362 M82xx_PCI_LOWER_MEM,
363 M82xx_PCI_UPPER_MEM,
364 IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
365
366 pci_init_resource(&hose->mem_resources[1],
367 M82xx_PCI_LOWER_MMIO,
368 M82xx_PCI_UPPER_MMIO,
369 IORESOURCE_MEM, "PCI memory");
370
371 pci_init_resource(&hose->io_resource,
372 M82xx_PCI_LOWER_IO,
373 M82xx_PCI_UPPER_IO,
374 IORESOURCE_IO | 1, "PCI I/O");
375
376 ppc_md.pci_exclude_device = pq2pci_exclude_device;
377 hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
378
379 ppc_md.pci_map_irq = pq2pci_map_irq;
380 ppc_md.pcibios_fixup = NULL;
381 ppc_md.pcibios_fixup_bus = NULL;
382
383}
diff --git a/arch/ppc/syslib/m82xx_pci.h b/arch/ppc/syslib/m82xx_pci.h
new file mode 100644
index 000000000000..924f73f8e595
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.h
@@ -0,0 +1,92 @@
1
2#ifndef _PPC_KERNEL_M82XX_PCI_H
3#define _PPC_KERNEL_M82XX_PCI_H
4
5#include <asm/m8260_pci.h>
6/*
7 * Local->PCI map (from CPU) controlled by
8 * MPC826x master window
9 *
10 * 0xF6000000 - 0xF7FFFFFF IO space
11 * 0x80000000 - 0xBFFFFFFF CPU2PCI memory space PCIBR0
12 *
13 * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1)
14 * 0xA0000000 - 0xBFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2)
15 * 0xF6000000 - 0xF7FFFFFF 32-bit PCI IO (Outbound ATU #3)
16 *
17 * PCI->Local map (from PCI)
18 * MPC826x slave window controlled by
19 *
20 * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1)
21 */
22
23/*
24 * Slave window that allows PCI masters to access MPC826x local memory.
25 * This window is set up using the first set of Inbound ATU registers
26 */
27
28#ifndef M82xx_PCI_SLAVE_MEM_LOCAL
29#define M82xx_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart)
30#define M82xx_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart)
31#define M82xx_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize)
32#endif
33
34/*
35 * This is the window that allows the CPU to access PCI address space.
36 * It will be setup with the SIU PCIBR0 register. All three PCI master
37 * windows, which allow the CPU to access PCI prefetch, non prefetch,
38 * and IO space (see below), must all fit within this window.
39 */
40
41#ifndef M82xx_PCI_LOWER_MEM
42#define M82xx_PCI_LOWER_MEM 0x80000000
43#define M82xx_PCI_UPPER_MEM 0x9fffffff
44#define M82xx_PCI_MEM_OFFSET 0x00000000
45#define M82xx_PCI_MEM_SIZE 0x20000000
46#endif
47
48#ifndef M82xx_PCI_LOWER_MMIO
49#define M82xx_PCI_LOWER_MMIO 0xa0000000
50#define M82xx_PCI_UPPER_MMIO 0xafffffff
51#define M82xx_PCI_MMIO_OFFSET 0x00000000
52#define M82xx_PCI_MMIO_SIZE 0x20000000
53#endif
54
55#ifndef M82xx_PCI_LOWER_IO
56#define M82xx_PCI_LOWER_IO 0x00000000
57#define M82xx_PCI_UPPER_IO 0x01ffffff
58#define M82xx_PCI_IO_BASE 0xf6000000
59#define M82xx_PCI_IO_SIZE 0x02000000
60#endif
61
62#ifndef M82xx_PCI_PRIM_WND_SIZE
63#define M82xx_PCI_PRIM_WND_SIZE ~(M82xx_PCI_IO_SIZE - 1U)
64#define M82xx_PCI_PRIM_WND_BASE (M82xx_PCI_IO_BASE)
65#endif
66
67#ifndef M82xx_PCI_SEC_WND_SIZE
68#define M82xx_PCI_SEC_WND_SIZE ~(M82xx_PCI_MEM_SIZE + M82xx_PCI_MMIO_SIZE - 1U)
69#define M82xx_PCI_SEC_WND_BASE (M82xx_PCI_LOWER_MEM)
70#endif
71
72#ifndef POTA_ADDR_SHIFT
73#define POTA_ADDR_SHIFT 12
74#endif
75
76#ifndef PITA_ADDR_SHIFT
77#define PITA_ADDR_SHIFT 12
78#endif
79
80#ifndef _IO_BASE
81#define _IO_BASE isa_io_base
82#endif
83
84#ifdef CONFIG_8260_PCI9
85struct pci_controller;
86extern void setup_m8260_indirect_pci(struct pci_controller* hose,
87 u32 cfg_addr, u32 cfg_data);
88#else
89#define setup_m8260_indirect_pci setup_indirect_pci
90#endif
91
92#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c
index 5c1a919eaabf..75c8e9834ae7 100644
--- a/arch/ppc/syslib/mpc83xx_devices.c
+++ b/arch/ppc/syslib/mpc83xx_devices.c
@@ -61,6 +61,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
61 .iotype = UPIO_MEM, 61 .iotype = UPIO_MEM,
62 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, 62 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
63 }, 63 },
64 { },
64}; 65};
65 66
66struct platform_device ppc_sys_platform_devices[] = { 67struct platform_device ppc_sys_platform_devices[] = {
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
index a231795ee26f..1e658ef57e75 100644
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -61,6 +61,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
61 .iotype = UPIO_MEM, 61 .iotype = UPIO_MEM,
62 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ, 62 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ,
63 }, 63 },
64 { },
64}; 65};
65 66
66struct platform_device ppc_sys_platform_devices[] = { 67struct platform_device ppc_sys_platform_devices[] = {
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c
index 7619e16fccae..000ba47c67cb 100644
--- a/arch/ppc/syslib/open_pic.c
+++ b/arch/ppc/syslib/open_pic.c
@@ -275,7 +275,7 @@ static void __init openpic_enable_sie(void)
275} 275}
276#endif 276#endif
277 277
278#if defined(CONFIG_EPIC_SERIAL_MODE) || defined(CONFIG_PM) 278#if defined(CONFIG_EPIC_SERIAL_MODE)
279static void openpic_reset(void) 279static void openpic_reset(void)
280{ 280{
281 openpic_setfield(&OpenPIC->Global.Global_Configuration0, 281 openpic_setfield(&OpenPIC->Global.Global_Configuration0,
@@ -557,12 +557,10 @@ static void __init openpic_initipi(u_int ipi, u_int pri, u_int vec)
557 */ 557 */
558void openpic_cause_IPI(u_int ipi, cpumask_t cpumask) 558void openpic_cause_IPI(u_int ipi, cpumask_t cpumask)
559{ 559{
560 cpumask_t phys;
561 DECL_THIS_CPU; 560 DECL_THIS_CPU;
562 561
563 CHECK_THIS_CPU; 562 CHECK_THIS_CPU;
564 check_arg_ipi(ipi); 563 check_arg_ipi(ipi);
565 phys = physmask(cpumask);
566 openpic_write(&OpenPIC->THIS_CPU.IPI_Dispatch(ipi), 564 openpic_write(&OpenPIC->THIS_CPU.IPI_Dispatch(ipi),
567 cpus_addr(physmask(cpumask))[0]); 565 cpus_addr(physmask(cpumask))[0]);
568} 566}
@@ -995,8 +993,6 @@ int openpic_resume(struct sys_device *sysdev)
995 return 0; 993 return 0;
996 } 994 }
997 995
998 openpic_reset();
999
1000 /* OpenPIC sometimes seem to need some time to be fully back up... */ 996 /* OpenPIC sometimes seem to need some time to be fully back up... */
1001 do { 997 do {
1002 openpic_set_spurious(OPENPIC_VEC_SPURIOUS); 998 openpic_set_spurious(OPENPIC_VEC_SPURIOUS);
diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c
index c28f9d679484..843cf8873e60 100644
--- a/arch/ppc/syslib/ppc83xx_setup.c
+++ b/arch/ppc/syslib/ppc83xx_setup.c
@@ -29,6 +29,7 @@
29#include <asm/mmu.h> 29#include <asm/mmu.h>
30#include <asm/ppc_sys.h> 30#include <asm/ppc_sys.h>
31#include <asm/kgdb.h> 31#include <asm/kgdb.h>
32#include <asm/delay.h>
32 33
33#include <syslib/ppc83xx_setup.h> 34#include <syslib/ppc83xx_setup.h>
34 35
@@ -117,7 +118,34 @@ mpc83xx_early_serial_map(void)
117void 118void
118mpc83xx_restart(char *cmd) 119mpc83xx_restart(char *cmd)
119{ 120{
121 volatile unsigned char __iomem *reg;
122 unsigned char tmp;
123
124 reg = ioremap(BCSR_PHYS_ADDR, BCSR_SIZE);
125
120 local_irq_disable(); 126 local_irq_disable();
127
128 /*
129 * Unlock the BCSR bits so a PRST will update the contents.
130 * Otherwise the reset asserts but doesn't clear.
131 */
132 tmp = in_8(reg + BCSR_MISC_REG3_OFF);
133 tmp |= BCSR_MISC_REG3_CNFLOCK; /* low true, high false */
134 out_8(reg + BCSR_MISC_REG3_OFF, tmp);
135
136 /*
137 * Trigger a reset via a low->high transition of the
138 * PORESET bit.
139 */
140 tmp = in_8(reg + BCSR_MISC_REG2_OFF);
141 tmp &= ~BCSR_MISC_REG2_PORESET;
142 out_8(reg + BCSR_MISC_REG2_OFF, tmp);
143
144 udelay(1);
145
146 tmp |= BCSR_MISC_REG2_PORESET;
147 out_8(reg + BCSR_MISC_REG2_OFF, tmp);
148
121 for(;;); 149 for(;;);
122} 150}
123 151
diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
index 152c3ef1312a..f3277f469e78 100644
--- a/arch/ppc/syslib/ppc85xx_setup.c
+++ b/arch/ppc/syslib/ppc85xx_setup.c
@@ -132,6 +132,12 @@ mpc85xx_halt(void)
132} 132}
133 133
134#ifdef CONFIG_PCI 134#ifdef CONFIG_PCI
135
136#if defined(CONFIG_MPC8555_CDS)
137extern void mpc85xx_cds_enable_via(struct pci_controller *hose);
138extern void mpc85xx_cds_fixup_via(struct pci_controller *hose);
139#endif
140
135static void __init 141static void __init
136mpc85xx_setup_pci1(struct pci_controller *hose) 142mpc85xx_setup_pci1(struct pci_controller *hose)
137{ 143{
@@ -302,8 +308,18 @@ mpc85xx_setup_hose(void)
302 308
303 ppc_md.pci_exclude_device = mpc85xx_exclude_device; 309 ppc_md.pci_exclude_device = mpc85xx_exclude_device;
304 310
311#if defined(CONFIG_MPC8555_CDS)
312 /* Pre pciauto_bus_scan VIA init */
313 mpc85xx_cds_enable_via(hose_a);
314#endif
315
305 hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno); 316 hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno);
306 317
318#if defined(CONFIG_MPC8555_CDS)
319 /* Post pciauto_bus_scan VIA fixup */
320 mpc85xx_cds_fixup_via(hose_a);
321#endif
322
307#ifdef CONFIG_85xx_PCI2 323#ifdef CONFIG_85xx_PCI2
308 hose_b = pcibios_alloc_controller(); 324 hose_b = pcibios_alloc_controller();
309 325
diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c
index 2cee87137f2e..7f15136830f4 100644
--- a/arch/ppc/syslib/prom_init.c
+++ b/arch/ppc/syslib/prom_init.c
@@ -626,8 +626,18 @@ inspect_node(phandle node, struct device_node *dad,
626 l = call_prom("package-to-path", 3, 1, node, 626 l = call_prom("package-to-path", 3, 1, node,
627 mem_start, mem_end - mem_start); 627 mem_start, mem_end - mem_start);
628 if (l >= 0) { 628 if (l >= 0) {
629 char *p, *ep;
630
629 np->full_name = PTRUNRELOC((char *) mem_start); 631 np->full_name = PTRUNRELOC((char *) mem_start);
630 *(char *)(mem_start + l) = 0; 632 *(char *)(mem_start + l) = 0;
633 /* Fixup an Apple bug where they have bogus \0 chars in the
634 * middle of the path in some properties
635 */
636 for (p = (char *)mem_start, ep = p + l; p < ep; p++)
637 if ((*p) == '\0') {
638 memmove(p, p+1, ep - p);
639 ep--;
640 }
631 mem_start = ALIGNUL(mem_start + l + 1); 641 mem_start = ALIGNUL(mem_start + l + 1);
632 } 642 }
633 643
diff --git a/arch/ppc64/kernel/mf.c b/arch/ppc64/kernel/mf.c
index 1bd52ece497c..5aca7e8005a8 100644
--- a/arch/ppc64/kernel/mf.c
+++ b/arch/ppc64/kernel/mf.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * mf.c 2 * mf.c
3 * Copyright (C) 2001 Troy D. Armstrong IBM Corporation 3 * Copyright (C) 2001 Troy D. Armstrong IBM Corporation
4 * Copyright (C) 2004 Stephen Rothwell IBM Corporation 4 * Copyright (C) 2004-2005 Stephen Rothwell IBM Corporation
5 * 5 *
6 * This modules exists as an interface between a Linux secondary partition 6 * This modules exists as an interface between a Linux secondary partition
7 * running on an iSeries and the primary partition's Virtual Service 7 * running on an iSeries and the primary partition's Virtual Service
@@ -36,10 +36,12 @@
36 36
37#include <asm/time.h> 37#include <asm/time.h>
38#include <asm/uaccess.h> 38#include <asm/uaccess.h>
39#include <asm/paca.h>
39#include <asm/iSeries/vio.h> 40#include <asm/iSeries/vio.h>
40#include <asm/iSeries/mf.h> 41#include <asm/iSeries/mf.h>
41#include <asm/iSeries/HvLpConfig.h> 42#include <asm/iSeries/HvLpConfig.h>
42#include <asm/iSeries/ItSpCommArea.h> 43#include <asm/iSeries/ItSpCommArea.h>
44#include <asm/iSeries/ItLpQueue.h>
43 45
44/* 46/*
45 * This is the structure layout for the Machine Facilites LPAR event 47 * This is the structure layout for the Machine Facilites LPAR event
@@ -696,36 +698,23 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
696 complete(&rtc->com); 698 complete(&rtc->com);
697} 699}
698 700
699int mf_get_rtc(struct rtc_time *tm) 701static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
700{ 702{
701 struct ce_msg_comp_data ce_complete;
702 struct rtc_time_data rtc_data;
703 int rc;
704
705 memset(&ce_complete, 0, sizeof(ce_complete));
706 memset(&rtc_data, 0, sizeof(rtc_data));
707 init_completion(&rtc_data.com);
708 ce_complete.handler = &get_rtc_time_complete;
709 ce_complete.token = &rtc_data;
710 rc = signal_ce_msg_simple(0x40, &ce_complete);
711 if (rc)
712 return rc;
713 wait_for_completion(&rtc_data.com);
714 tm->tm_wday = 0; 703 tm->tm_wday = 0;
715 tm->tm_yday = 0; 704 tm->tm_yday = 0;
716 tm->tm_isdst = 0; 705 tm->tm_isdst = 0;
717 if (rtc_data.rc) { 706 if (rc) {
718 tm->tm_sec = 0; 707 tm->tm_sec = 0;
719 tm->tm_min = 0; 708 tm->tm_min = 0;
720 tm->tm_hour = 0; 709 tm->tm_hour = 0;
721 tm->tm_mday = 15; 710 tm->tm_mday = 15;
722 tm->tm_mon = 5; 711 tm->tm_mon = 5;
723 tm->tm_year = 52; 712 tm->tm_year = 52;
724 return rtc_data.rc; 713 return rc;
725 } 714 }
726 715
727 if ((rtc_data.ce_msg.ce_msg[2] == 0xa9) || 716 if ((ce_msg[2] == 0xa9) ||
728 (rtc_data.ce_msg.ce_msg[2] == 0xaf)) { 717 (ce_msg[2] == 0xaf)) {
729 /* TOD clock is not set */ 718 /* TOD clock is not set */
730 tm->tm_sec = 1; 719 tm->tm_sec = 1;
731 tm->tm_min = 1; 720 tm->tm_min = 1;
@@ -736,7 +725,6 @@ int mf_get_rtc(struct rtc_time *tm)
736 mf_set_rtc(tm); 725 mf_set_rtc(tm);
737 } 726 }
738 { 727 {
739 u8 *ce_msg = rtc_data.ce_msg.ce_msg;
740 u8 year = ce_msg[5]; 728 u8 year = ce_msg[5];
741 u8 sec = ce_msg[6]; 729 u8 sec = ce_msg[6];
742 u8 min = ce_msg[7]; 730 u8 min = ce_msg[7];
@@ -765,6 +753,63 @@ int mf_get_rtc(struct rtc_time *tm)
765 return 0; 753 return 0;
766} 754}
767 755
756int mf_get_rtc(struct rtc_time *tm)
757{
758 struct ce_msg_comp_data ce_complete;
759 struct rtc_time_data rtc_data;
760 int rc;
761
762 memset(&ce_complete, 0, sizeof(ce_complete));
763 memset(&rtc_data, 0, sizeof(rtc_data));
764 init_completion(&rtc_data.com);
765 ce_complete.handler = &get_rtc_time_complete;
766 ce_complete.token = &rtc_data;
767 rc = signal_ce_msg_simple(0x40, &ce_complete);
768 if (rc)
769 return rc;
770 wait_for_completion(&rtc_data.com);
771 return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
772}
773
774struct boot_rtc_time_data {
775 int busy;
776 struct ce_msg_data ce_msg;
777 int rc;
778};
779
780static void get_boot_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
781{
782 struct boot_rtc_time_data *rtc = token;
783
784 memcpy(&rtc->ce_msg, ce_msg, sizeof(rtc->ce_msg));
785 rtc->rc = 0;
786 rtc->busy = 0;
787}
788
789int mf_get_boot_rtc(struct rtc_time *tm)
790{
791 struct ce_msg_comp_data ce_complete;
792 struct boot_rtc_time_data rtc_data;
793 int rc;
794
795 memset(&ce_complete, 0, sizeof(ce_complete));
796 memset(&rtc_data, 0, sizeof(rtc_data));
797 rtc_data.busy = 1;
798 ce_complete.handler = &get_boot_rtc_time_complete;
799 ce_complete.token = &rtc_data;
800 rc = signal_ce_msg_simple(0x40, &ce_complete);
801 if (rc)
802 return rc;
803 /* We need to poll here as we are not yet taking interrupts */
804 while (rtc_data.busy) {
805 extern unsigned long lpevent_count;
806 struct ItLpQueue *lpq = get_paca()->lpqueue_ptr;
807 if (lpq && ItLpQueue_isLpIntPending(lpq))
808 lpevent_count += ItLpQueue_process(lpq, NULL);
809 }
810 return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
811}
812
768int mf_set_rtc(struct rtc_time *tm) 813int mf_set_rtc(struct rtc_time *tm)
769{ 814{
770 char ce_time[12]; 815 char ce_time[12];
diff --git a/arch/ppc64/kernel/pSeries_reconfig.c b/arch/ppc64/kernel/pSeries_reconfig.c
index cb5443f2e49b..dc2a69d412a2 100644
--- a/arch/ppc64/kernel/pSeries_reconfig.c
+++ b/arch/ppc64/kernel/pSeries_reconfig.c
@@ -47,14 +47,6 @@ static void remove_node_proc_entries(struct device_node *np)
47 remove_proc_entry(pp->name, np->pde); 47 remove_proc_entry(pp->name, np->pde);
48 pp = pp->next; 48 pp = pp->next;
49 } 49 }
50
51 /* Assuming that symlinks have the same parent directory as
52 * np->pde.
53 */
54 if (np->name_link)
55 remove_proc_entry(np->name_link->name, parent->pde);
56 if (np->addr_link)
57 remove_proc_entry(np->addr_link->name, parent->pde);
58 if (np->pde) 50 if (np->pde)
59 remove_proc_entry(np->pde->name, parent->pde); 51 remove_proc_entry(np->pde->name, parent->pde);
60} 52}
diff --git a/arch/ppc64/kernel/pmac_smp.c b/arch/ppc64/kernel/pmac_smp.c
index c27588ede2fe..a23de37227bf 100644
--- a/arch/ppc64/kernel/pmac_smp.c
+++ b/arch/ppc64/kernel/pmac_smp.c
@@ -68,6 +68,7 @@ extern struct smp_ops_t *smp_ops;
68 68
69static void (*pmac_tb_freeze)(int freeze); 69static void (*pmac_tb_freeze)(int freeze);
70static struct device_node *pmac_tb_clock_chip_host; 70static struct device_node *pmac_tb_clock_chip_host;
71static u8 pmac_tb_pulsar_addr;
71static DEFINE_SPINLOCK(timebase_lock); 72static DEFINE_SPINLOCK(timebase_lock);
72static unsigned long timebase; 73static unsigned long timebase;
73 74
@@ -106,12 +107,9 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
106 u8 data; 107 u8 data;
107 int rc; 108 int rc;
108 109
109 /* Strangely, the device-tree says address is 0xd2, but darwin
110 * accesses 0xd0 ...
111 */
112 pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_combined); 110 pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_combined);
113 rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host, 111 rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
114 0xd4 | pmac_low_i2c_read, 112 pmac_tb_pulsar_addr | pmac_low_i2c_read,
115 0x2e, &data, 1); 113 0x2e, &data, 1);
116 if (rc != 0) 114 if (rc != 0)
117 goto bail; 115 goto bail;
@@ -120,7 +118,7 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
120 118
121 pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_stdsub); 119 pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_stdsub);
122 rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host, 120 rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
123 0xd4 | pmac_low_i2c_write, 121 pmac_tb_pulsar_addr | pmac_low_i2c_write,
124 0x2e, &data, 1); 122 0x2e, &data, 1);
125 bail: 123 bail:
126 if (rc != 0) { 124 if (rc != 0) {
@@ -185,6 +183,12 @@ static int __init smp_core99_probe(void)
185 if (ncpus <= 1) 183 if (ncpus <= 1)
186 return 1; 184 return 1;
187 185
186 /* HW sync only on these platforms */
187 if (!machine_is_compatible("PowerMac7,2") &&
188 !machine_is_compatible("PowerMac7,3") &&
189 !machine_is_compatible("RackMac3,1"))
190 goto nohwsync;
191
188 /* Look for the clock chip */ 192 /* Look for the clock chip */
189 for (cc = NULL; (cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL;) { 193 for (cc = NULL; (cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL;) {
190 struct device_node *p = of_get_parent(cc); 194 struct device_node *p = of_get_parent(cc);
@@ -198,11 +202,18 @@ static int __init smp_core99_probe(void)
198 goto next; 202 goto next;
199 switch (*reg) { 203 switch (*reg) {
200 case 0xd2: 204 case 0xd2:
201 pmac_tb_freeze = smp_core99_cypress_tb_freeze; 205 if (device_is_compatible(cc, "pulsar-legacy-slewing")) {
202 printk(KERN_INFO "Timebase clock is Cypress chip\n"); 206 pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
207 pmac_tb_pulsar_addr = 0xd2;
208 printk(KERN_INFO "Timebase clock is Pulsar chip\n");
209 } else if (device_is_compatible(cc, "cy28508")) {
210 pmac_tb_freeze = smp_core99_cypress_tb_freeze;
211 printk(KERN_INFO "Timebase clock is Cypress chip\n");
212 }
203 break; 213 break;
204 case 0xd4: 214 case 0xd4:
205 pmac_tb_freeze = smp_core99_pulsar_tb_freeze; 215 pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
216 pmac_tb_pulsar_addr = 0xd4;
206 printk(KERN_INFO "Timebase clock is Pulsar chip\n"); 217 printk(KERN_INFO "Timebase clock is Pulsar chip\n");
207 break; 218 break;
208 } 219 }
@@ -210,12 +221,15 @@ static int __init smp_core99_probe(void)
210 pmac_tb_clock_chip_host = p; 221 pmac_tb_clock_chip_host = p;
211 smp_ops->give_timebase = smp_core99_give_timebase; 222 smp_ops->give_timebase = smp_core99_give_timebase;
212 smp_ops->take_timebase = smp_core99_take_timebase; 223 smp_ops->take_timebase = smp_core99_take_timebase;
224 of_node_put(cc);
225 of_node_put(p);
213 break; 226 break;
214 } 227 }
215 next: 228 next:
216 of_node_put(p); 229 of_node_put(p);
217 } 230 }
218 231
232 nohwsync:
219 mpic_request_ipis(); 233 mpic_request_ipis();
220 234
221 return ncpus; 235 return ncpus;
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index 35ec42de962e..3de950de3671 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -1566,7 +1566,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
1566{ 1566{
1567 int l, align; 1567 int l, align;
1568 phandle child; 1568 phandle child;
1569 char *namep, *prev_name, *sstart; 1569 char *namep, *prev_name, *sstart, *p, *ep;
1570 unsigned long soff; 1570 unsigned long soff;
1571 unsigned char *valp; 1571 unsigned char *valp;
1572 unsigned long offset = reloc_offset(); 1572 unsigned long offset = reloc_offset();
@@ -1588,6 +1588,14 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
1588 call_prom("package-to-path", 3, 1, node, namep, l); 1588 call_prom("package-to-path", 3, 1, node, namep, l);
1589 } 1589 }
1590 namep[l] = '\0'; 1590 namep[l] = '\0';
1591 /* Fixup an Apple bug where they have bogus \0 chars in the
1592 * middle of the path in some properties
1593 */
1594 for (p = namep, ep = namep + l; p < ep; p++)
1595 if (*p == '\0') {
1596 memmove(p, p+1, ep - p);
1597 ep--; l--;
1598 }
1591 *mem_start = _ALIGN(((unsigned long) namep) + strlen(namep) + 1, 4); 1599 *mem_start = _ALIGN(((unsigned long) namep) + strlen(namep) + 1, 4);
1592 } 1600 }
1593 1601
@@ -1750,7 +1758,44 @@ static void __init flatten_device_tree(void)
1750 prom_printf("Device tree struct 0x%x -> 0x%x\n", 1758 prom_printf("Device tree struct 0x%x -> 0x%x\n",
1751 RELOC(dt_struct_start), RELOC(dt_struct_end)); 1759 RELOC(dt_struct_start), RELOC(dt_struct_end));
1752 1760
1753 } 1761}
1762
1763
1764static void __init fixup_device_tree(void)
1765{
1766 unsigned long offset = reloc_offset();
1767 phandle u3, i2c, mpic;
1768 u32 u3_rev;
1769 u32 interrupts[2];
1770 u32 parent;
1771
1772 /* Some G5s have a missing interrupt definition, fix it up here */
1773 u3 = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000"));
1774 if ((long)u3 <= 0)
1775 return;
1776 i2c = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/i2c@f8001000"));
1777 if ((long)i2c <= 0)
1778 return;
1779 mpic = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/mpic@f8040000"));
1780 if ((long)mpic <= 0)
1781 return;
1782
1783 /* check if proper rev of u3 */
1784 if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev)) <= 0)
1785 return;
1786 if (u3_rev != 0x35)
1787 return;
1788 /* does it need fixup ? */
1789 if (prom_getproplen(i2c, "interrupts") > 0)
1790 return;
1791 /* interrupt on this revision of u3 is number 0 and level */
1792 interrupts[0] = 0;
1793 interrupts[1] = 1;
1794 prom_setprop(i2c, "interrupts", &interrupts, sizeof(interrupts));
1795 parent = (u32)mpic;
1796 prom_setprop(i2c, "interrupt-parent", &parent, sizeof(parent));
1797}
1798
1754 1799
1755static void __init prom_find_boot_cpu(void) 1800static void __init prom_find_boot_cpu(void)
1756{ 1801{
@@ -1844,6 +1889,12 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long
1844 &getprop_rval, sizeof(getprop_rval)); 1889 &getprop_rval, sizeof(getprop_rval));
1845 1890
1846 /* 1891 /*
1892 * On pSeries, inform the firmware about our capabilities
1893 */
1894 if (RELOC(of_platform) & PLATFORM_PSERIES)
1895 prom_send_capabilities();
1896
1897 /*
1847 * On pSeries, copy the CPU hold code 1898 * On pSeries, copy the CPU hold code
1848 */ 1899 */
1849 if (RELOC(of_platform) & PLATFORM_PSERIES) 1900 if (RELOC(of_platform) & PLATFORM_PSERIES)
@@ -1920,6 +1971,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long
1920 } 1971 }
1921 1972
1922 /* 1973 /*
1974 * Fixup any known bugs in the device-tree
1975 */
1976 fixup_device_tree();
1977
1978 /*
1923 * Now finally create the flattened device-tree 1979 * Now finally create the flattened device-tree
1924 */ 1980 */
1925 prom_printf("copying OF device tree ...\n"); 1981 prom_printf("copying OF device tree ...\n");
diff --git a/arch/ppc64/kernel/rtc.c b/arch/ppc64/kernel/rtc.c
index 3e70b91375fc..67989055a9fe 100644
--- a/arch/ppc64/kernel/rtc.c
+++ b/arch/ppc64/kernel/rtc.c
@@ -292,47 +292,10 @@ int iSeries_set_rtc_time(struct rtc_time *tm)
292 292
293void iSeries_get_boot_time(struct rtc_time *tm) 293void iSeries_get_boot_time(struct rtc_time *tm)
294{ 294{
295 unsigned long time;
296 static unsigned long lastsec = 1;
297
298 u32 dataWord1 = *((u32 *)(&xSpCommArea.xBcdTimeAtIplStart));
299 u32 dataWord2 = *(((u32 *)&(xSpCommArea.xBcdTimeAtIplStart)) + 1);
300 int year = 1970;
301 int year1 = ( dataWord1 >> 24 ) & 0x000000FF;
302 int year2 = ( dataWord1 >> 16 ) & 0x000000FF;
303 int sec = ( dataWord1 >> 8 ) & 0x000000FF;
304 int min = dataWord1 & 0x000000FF;
305 int hour = ( dataWord2 >> 24 ) & 0x000000FF;
306 int day = ( dataWord2 >> 8 ) & 0x000000FF;
307 int mon = dataWord2 & 0x000000FF;
308
309 if ( piranha_simulator ) 295 if ( piranha_simulator )
310 return; 296 return;
311 297
312 BCD_TO_BIN(sec); 298 mf_get_boot_rtc(tm);
313 BCD_TO_BIN(min);
314 BCD_TO_BIN(hour);
315 BCD_TO_BIN(day);
316 BCD_TO_BIN(mon);
317 BCD_TO_BIN(year1);
318 BCD_TO_BIN(year2);
319 year = year1 * 100 + year2;
320
321 time = mktime(year, mon, day, hour, min, sec);
322 time += ( jiffies / HZ );
323
324 /* Now THIS is a nasty hack!
325 * It ensures that the first two calls get different answers.
326 * That way the loop in init_time (time.c) will not think
327 * the clock is stuck.
328 */
329 if ( lastsec ) {
330 time -= lastsec;
331 --lastsec;
332 }
333
334 to_tm(time, tm);
335 tm->tm_year -= 1900;
336 tm->tm_mon -= 1; 299 tm->tm_mon -= 1;
337} 300}
338#endif 301#endif
diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 772a465b49f9..33364a7d2cd2 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -325,9 +325,7 @@ int timer_interrupt(struct pt_regs * regs)
325 325
326 irq_enter(); 326 irq_enter();
327 327
328#ifndef CONFIG_PPC_ISERIES
329 profile_tick(CPU_PROFILING, regs); 328 profile_tick(CPU_PROFILING, regs);
330#endif
331 329
332 lpaca->lppaca.int_dword.fields.decr_int = 0; 330 lpaca->lppaca.int_dword.fields.decr_int = 0;
333 331
@@ -515,6 +513,7 @@ void __init time_init(void)
515 do_gtod.varp = &do_gtod.vars[0]; 513 do_gtod.varp = &do_gtod.vars[0];
516 do_gtod.var_idx = 0; 514 do_gtod.var_idx = 0;
517 do_gtod.varp->tb_orig_stamp = tb_last_stamp; 515 do_gtod.varp->tb_orig_stamp = tb_last_stamp;
516 get_paca()->next_jiffy_update_tb = tb_last_stamp + tb_ticks_per_jiffy;
518 do_gtod.varp->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC; 517 do_gtod.varp->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
519 do_gtod.tb_ticks_per_sec = tb_ticks_per_sec; 518 do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
520 do_gtod.varp->tb_to_xs = tb_to_xs; 519 do_gtod.varp->tb_to_xs = tb_to_xs;
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c
index 292983413ae2..2803bc7c2c79 100644
--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -8,6 +8,7 @@
8#include <linux/kernel.h> 8#include <linux/kernel.h>
9#include <linux/sched.h> 9#include <linux/sched.h>
10#include <linux/mm.h> 10#include <linux/mm.h>
11#include <linux/delay.h>
11 12
12#include <asm/pbm.h> 13#include <asm/pbm.h>
13 14
@@ -195,6 +196,34 @@ static iopte_t *alloc_consistent_cluster(struct pci_iommu *iommu, unsigned long
195 return NULL; 196 return NULL;
196} 197}
197 198
199static int iommu_alloc_ctx(struct pci_iommu *iommu)
200{
201 int lowest = iommu->ctx_lowest_free;
202 int sz = IOMMU_NUM_CTXS - lowest;
203 int n = find_next_zero_bit(iommu->ctx_bitmap, sz, lowest);
204
205 if (unlikely(n == sz)) {
206 n = find_next_zero_bit(iommu->ctx_bitmap, lowest, 1);
207 if (unlikely(n == lowest)) {
208 printk(KERN_WARNING "IOMMU: Ran out of contexts.\n");
209 n = 0;
210 }
211 }
212 if (n)
213 __set_bit(n, iommu->ctx_bitmap);
214
215 return n;
216}
217
218static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx)
219{
220 if (likely(ctx)) {
221 __clear_bit(ctx, iommu->ctx_bitmap);
222 if (ctx < iommu->ctx_lowest_free)
223 iommu->ctx_lowest_free = ctx;
224 }
225}
226
198/* Allocate and map kernel buffer of size SIZE using consistent mode 227/* Allocate and map kernel buffer of size SIZE using consistent mode
199 * DMA for PCI device PDEV. Return non-NULL cpu-side address if 228 * DMA for PCI device PDEV. Return non-NULL cpu-side address if
200 * successful and set *DMA_ADDRP to the PCI side dma address. 229 * successful and set *DMA_ADDRP to the PCI side dma address.
@@ -235,7 +264,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad
235 npages = size >> IO_PAGE_SHIFT; 264 npages = size >> IO_PAGE_SHIFT;
236 ctx = 0; 265 ctx = 0;
237 if (iommu->iommu_ctxflush) 266 if (iommu->iommu_ctxflush)
238 ctx = iommu->iommu_cur_ctx++; 267 ctx = iommu_alloc_ctx(iommu);
239 first_page = __pa(first_page); 268 first_page = __pa(first_page);
240 while (npages--) { 269 while (npages--) {
241 iopte_val(*iopte) = (IOPTE_CONSISTENT(ctx) | 270 iopte_val(*iopte) = (IOPTE_CONSISTENT(ctx) |
@@ -316,6 +345,8 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_
316 } 345 }
317 } 346 }
318 347
348 iommu_free_ctx(iommu, ctx);
349
319 spin_unlock_irqrestore(&iommu->lock, flags); 350 spin_unlock_irqrestore(&iommu->lock, flags);
320 351
321 order = get_order(size); 352 order = get_order(size);
@@ -359,7 +390,7 @@ dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direct
359 base_paddr = __pa(oaddr & IO_PAGE_MASK); 390 base_paddr = __pa(oaddr & IO_PAGE_MASK);
360 ctx = 0; 391 ctx = 0;
361 if (iommu->iommu_ctxflush) 392 if (iommu->iommu_ctxflush)
362 ctx = iommu->iommu_cur_ctx++; 393 ctx = iommu_alloc_ctx(iommu);
363 if (strbuf->strbuf_enabled) 394 if (strbuf->strbuf_enabled)
364 iopte_protection = IOPTE_STREAMING(ctx); 395 iopte_protection = IOPTE_STREAMING(ctx);
365 else 396 else
@@ -379,6 +410,70 @@ bad:
379 return PCI_DMA_ERROR_CODE; 410 return PCI_DMA_ERROR_CODE;
380} 411}
381 412
413static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, u32 vaddr, unsigned long ctx, unsigned long npages, int direction)
414{
415 int limit;
416
417 if (strbuf->strbuf_ctxflush &&
418 iommu->iommu_ctxflush) {
419 unsigned long matchreg, flushreg;
420 u64 val;
421
422 flushreg = strbuf->strbuf_ctxflush;
423 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
424
425 pci_iommu_write(flushreg, ctx);
426 val = pci_iommu_read(matchreg);
427 val &= 0xffff;
428 if (!val)
429 goto do_flush_sync;
430
431 while (val) {
432 if (val & 0x1)
433 pci_iommu_write(flushreg, ctx);
434 val >>= 1;
435 }
436 val = pci_iommu_read(matchreg);
437 if (unlikely(val)) {
438 printk(KERN_WARNING "pci_strbuf_flush: ctx flush "
439 "timeout matchreg[%lx] ctx[%lx]\n",
440 val, ctx);
441 goto do_page_flush;
442 }
443 } else {
444 unsigned long i;
445
446 do_page_flush:
447 for (i = 0; i < npages; i++, vaddr += IO_PAGE_SIZE)
448 pci_iommu_write(strbuf->strbuf_pflush, vaddr);
449 }
450
451do_flush_sync:
452 /* If the device could not have possibly put dirty data into
453 * the streaming cache, no flush-flag synchronization needs
454 * to be performed.
455 */
456 if (direction == PCI_DMA_TODEVICE)
457 return;
458
459 PCI_STC_FLUSHFLAG_INIT(strbuf);
460 pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
461 (void) pci_iommu_read(iommu->write_complete_reg);
462
463 limit = 100000;
464 while (!PCI_STC_FLUSHFLAG_SET(strbuf)) {
465 limit--;
466 if (!limit)
467 break;
468 udelay(1);
469 membar("#LoadLoad");
470 }
471 if (!limit)
472 printk(KERN_WARNING "pci_strbuf_flush: flushflag timeout "
473 "vaddr[%08x] ctx[%lx] npages[%ld]\n",
474 vaddr, ctx, npages);
475}
476
382/* Unmap a single streaming mode DMA translation. */ 477/* Unmap a single streaming mode DMA translation. */
383void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction) 478void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int direction)
384{ 479{
@@ -386,7 +481,7 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
386 struct pci_iommu *iommu; 481 struct pci_iommu *iommu;
387 struct pci_strbuf *strbuf; 482 struct pci_strbuf *strbuf;
388 iopte_t *base; 483 iopte_t *base;
389 unsigned long flags, npages, i, ctx; 484 unsigned long flags, npages, ctx;
390 485
391 if (direction == PCI_DMA_NONE) 486 if (direction == PCI_DMA_NONE)
392 BUG(); 487 BUG();
@@ -414,29 +509,8 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
414 ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL; 509 ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL;
415 510
416 /* Step 1: Kick data out of streaming buffers if necessary. */ 511 /* Step 1: Kick data out of streaming buffers if necessary. */
417 if (strbuf->strbuf_enabled) { 512 if (strbuf->strbuf_enabled)
418 u32 vaddr = bus_addr; 513 pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
419
420 PCI_STC_FLUSHFLAG_INIT(strbuf);
421 if (strbuf->strbuf_ctxflush &&
422 iommu->iommu_ctxflush) {
423 unsigned long matchreg, flushreg;
424
425 flushreg = strbuf->strbuf_ctxflush;
426 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
427 do {
428 pci_iommu_write(flushreg, ctx);
429 } while(((long)pci_iommu_read(matchreg)) < 0L);
430 } else {
431 for (i = 0; i < npages; i++, vaddr += IO_PAGE_SIZE)
432 pci_iommu_write(strbuf->strbuf_pflush, vaddr);
433 }
434
435 pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
436 (void) pci_iommu_read(iommu->write_complete_reg);
437 while (!PCI_STC_FLUSHFLAG_SET(strbuf))
438 membar("#LoadLoad");
439 }
440 514
441 /* Step 2: Clear out first TSB entry. */ 515 /* Step 2: Clear out first TSB entry. */
442 iopte_make_dummy(iommu, base); 516 iopte_make_dummy(iommu, base);
@@ -444,6 +518,8 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
444 free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base, 518 free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
445 npages, ctx); 519 npages, ctx);
446 520
521 iommu_free_ctx(iommu, ctx);
522
447 spin_unlock_irqrestore(&iommu->lock, flags); 523 spin_unlock_irqrestore(&iommu->lock, flags);
448} 524}
449 525
@@ -583,7 +659,7 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int
583 /* Step 4: Choose a context if necessary. */ 659 /* Step 4: Choose a context if necessary. */
584 ctx = 0; 660 ctx = 0;
585 if (iommu->iommu_ctxflush) 661 if (iommu->iommu_ctxflush)
586 ctx = iommu->iommu_cur_ctx++; 662 ctx = iommu_alloc_ctx(iommu);
587 663
588 /* Step 5: Create the mappings. */ 664 /* Step 5: Create the mappings. */
589 if (strbuf->strbuf_enabled) 665 if (strbuf->strbuf_enabled)
@@ -647,29 +723,8 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
647 ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL; 723 ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL;
648 724
649 /* Step 1: Kick data out of streaming buffers if necessary. */ 725 /* Step 1: Kick data out of streaming buffers if necessary. */
650 if (strbuf->strbuf_enabled) { 726 if (strbuf->strbuf_enabled)
651 u32 vaddr = (u32) bus_addr; 727 pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
652
653 PCI_STC_FLUSHFLAG_INIT(strbuf);
654 if (strbuf->strbuf_ctxflush &&
655 iommu->iommu_ctxflush) {
656 unsigned long matchreg, flushreg;
657
658 flushreg = strbuf->strbuf_ctxflush;
659 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
660 do {
661 pci_iommu_write(flushreg, ctx);
662 } while(((long)pci_iommu_read(matchreg)) < 0L);
663 } else {
664 for (i = 0; i < npages; i++, vaddr += IO_PAGE_SIZE)
665 pci_iommu_write(strbuf->strbuf_pflush, vaddr);
666 }
667
668 pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
669 (void) pci_iommu_read(iommu->write_complete_reg);
670 while (!PCI_STC_FLUSHFLAG_SET(strbuf))
671 membar("#LoadLoad");
672 }
673 728
674 /* Step 2: Clear out first TSB entry. */ 729 /* Step 2: Clear out first TSB entry. */
675 iopte_make_dummy(iommu, base); 730 iopte_make_dummy(iommu, base);
@@ -677,6 +732,8 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
677 free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base, 732 free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
678 npages, ctx); 733 npages, ctx);
679 734
735 iommu_free_ctx(iommu, ctx);
736
680 spin_unlock_irqrestore(&iommu->lock, flags); 737 spin_unlock_irqrestore(&iommu->lock, flags);
681} 738}
682 739
@@ -715,28 +772,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size
715 } 772 }
716 773
717 /* Step 2: Kick data out of streaming buffers. */ 774 /* Step 2: Kick data out of streaming buffers. */
718 PCI_STC_FLUSHFLAG_INIT(strbuf); 775 pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
719 if (iommu->iommu_ctxflush &&
720 strbuf->strbuf_ctxflush) {
721 unsigned long matchreg, flushreg;
722
723 flushreg = strbuf->strbuf_ctxflush;
724 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
725 do {
726 pci_iommu_write(flushreg, ctx);
727 } while(((long)pci_iommu_read(matchreg)) < 0L);
728 } else {
729 unsigned long i;
730
731 for (i = 0; i < npages; i++, bus_addr += IO_PAGE_SIZE)
732 pci_iommu_write(strbuf->strbuf_pflush, bus_addr);
733 }
734
735 /* Step 3: Perform flush synchronization sequence. */
736 pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
737 (void) pci_iommu_read(iommu->write_complete_reg);
738 while (!PCI_STC_FLUSHFLAG_SET(strbuf))
739 membar("#LoadLoad");
740 776
741 spin_unlock_irqrestore(&iommu->lock, flags); 777 spin_unlock_irqrestore(&iommu->lock, flags);
742} 778}
@@ -749,7 +785,8 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, i
749 struct pcidev_cookie *pcp; 785 struct pcidev_cookie *pcp;
750 struct pci_iommu *iommu; 786 struct pci_iommu *iommu;
751 struct pci_strbuf *strbuf; 787 struct pci_strbuf *strbuf;
752 unsigned long flags, ctx; 788 unsigned long flags, ctx, npages, i;
789 u32 bus_addr;
753 790
754 pcp = pdev->sysdata; 791 pcp = pdev->sysdata;
755 iommu = pcp->pbm->iommu; 792 iommu = pcp->pbm->iommu;
@@ -772,36 +809,14 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, i
772 } 809 }
773 810
774 /* Step 2: Kick data out of streaming buffers. */ 811 /* Step 2: Kick data out of streaming buffers. */
775 PCI_STC_FLUSHFLAG_INIT(strbuf); 812 bus_addr = sglist[0].dma_address & IO_PAGE_MASK;
776 if (iommu->iommu_ctxflush && 813 for(i = 1; i < nelems; i++)
777 strbuf->strbuf_ctxflush) { 814 if (!sglist[i].dma_length)
778 unsigned long matchreg, flushreg; 815 break;
779 816 i--;
780 flushreg = strbuf->strbuf_ctxflush; 817 npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length)
781 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx); 818 - bus_addr) >> IO_PAGE_SHIFT;
782 do { 819 pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
783 pci_iommu_write(flushreg, ctx);
784 } while (((long)pci_iommu_read(matchreg)) < 0L);
785 } else {
786 unsigned long i, npages;
787 u32 bus_addr;
788
789 bus_addr = sglist[0].dma_address & IO_PAGE_MASK;
790
791 for(i = 1; i < nelems; i++)
792 if (!sglist[i].dma_length)
793 break;
794 i--;
795 npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length) - bus_addr) >> IO_PAGE_SHIFT;
796 for (i = 0; i < npages; i++, bus_addr += IO_PAGE_SIZE)
797 pci_iommu_write(strbuf->strbuf_pflush, bus_addr);
798 }
799
800 /* Step 3: Perform flush synchronization sequence. */
801 pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
802 (void) pci_iommu_read(iommu->write_complete_reg);
803 while (!PCI_STC_FLUSHFLAG_SET(strbuf))
804 membar("#LoadLoad");
805 820
806 spin_unlock_irqrestore(&iommu->lock, flags); 821 spin_unlock_irqrestore(&iommu->lock, flags);
807} 822}
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 3567fa879e1f..534320ef0db2 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1212,7 +1212,7 @@ static void __init psycho_iommu_init(struct pci_controller_info *p)
1212 1212
1213 /* Setup initial software IOMMU state. */ 1213 /* Setup initial software IOMMU state. */
1214 spin_lock_init(&iommu->lock); 1214 spin_lock_init(&iommu->lock);
1215 iommu->iommu_cur_ctx = 0; 1215 iommu->ctx_lowest_free = 1;
1216 1216
1217 /* Register addresses. */ 1217 /* Register addresses. */
1218 iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL; 1218 iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 5525d1ec4af8..53d333b4a4e8 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1265,7 +1265,7 @@ static void __init sabre_iommu_init(struct pci_controller_info *p,
1265 1265
1266 /* Setup initial software IOMMU state. */ 1266 /* Setup initial software IOMMU state. */
1267 spin_lock_init(&iommu->lock); 1267 spin_lock_init(&iommu->lock);
1268 iommu->iommu_cur_ctx = 0; 1268 iommu->ctx_lowest_free = 1;
1269 1269
1270 /* Register addresses. */ 1270 /* Register addresses. */
1271 iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL; 1271 iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index e93fcadc3722..5753175b94e6 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -1753,7 +1753,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
1753 1753
1754 /* Setup initial software IOMMU state. */ 1754 /* Setup initial software IOMMU state. */
1755 spin_lock_init(&iommu->lock); 1755 spin_lock_init(&iommu->lock);
1756 iommu->iommu_cur_ctx = 0; 1756 iommu->ctx_lowest_free = 1;
1757 1757
1758 /* Register addresses, SCHIZO has iommu ctx flushing. */ 1758 /* Register addresses, SCHIZO has iommu ctx flushing. */
1759 iommu->iommu_control = pbm->pbm_regs + SCHIZO_IOMMU_CONTROL; 1759 iommu->iommu_control = pbm->pbm_regs + SCHIZO_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 14d9c3a21b9a..89f5e019f24c 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -117,19 +117,42 @@ static void iommu_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages
117 117
118#define STRBUF_TAG_VALID 0x02UL 118#define STRBUF_TAG_VALID 0x02UL
119 119
120static void strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages) 120static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages, int direction)
121{ 121{
122 iommu->strbuf_flushflag = 0UL; 122 unsigned long n;
123 while (npages--) 123 int limit;
124 upa_writeq(base + (npages << IO_PAGE_SHIFT), 124
125 n = npages;
126 while (n--)
127 upa_writeq(base + (n << IO_PAGE_SHIFT),
125 iommu->strbuf_regs + STRBUF_PFLUSH); 128 iommu->strbuf_regs + STRBUF_PFLUSH);
126 129
130 /* If the device could not have possibly put dirty data into
131 * the streaming cache, no flush-flag synchronization needs
132 * to be performed.
133 */
134 if (direction == SBUS_DMA_TODEVICE)
135 return;
136
137 iommu->strbuf_flushflag = 0UL;
138
127 /* Whoopee cushion! */ 139 /* Whoopee cushion! */
128 upa_writeq(__pa(&iommu->strbuf_flushflag), 140 upa_writeq(__pa(&iommu->strbuf_flushflag),
129 iommu->strbuf_regs + STRBUF_FSYNC); 141 iommu->strbuf_regs + STRBUF_FSYNC);
130 upa_readq(iommu->sbus_control_reg); 142 upa_readq(iommu->sbus_control_reg);
131 while (iommu->strbuf_flushflag == 0UL) 143
144 limit = 100000;
145 while (iommu->strbuf_flushflag == 0UL) {
146 limit--;
147 if (!limit)
148 break;
149 udelay(1);
132 membar("#LoadLoad"); 150 membar("#LoadLoad");
151 }
152 if (!limit)
153 printk(KERN_WARNING "sbus_strbuf_flush: flushflag timeout "
154 "vaddr[%08x] npages[%ld]\n",
155 base, npages);
133} 156}
134 157
135static iopte_t *alloc_streaming_cluster(struct sbus_iommu *iommu, unsigned long npages) 158static iopte_t *alloc_streaming_cluster(struct sbus_iommu *iommu, unsigned long npages)
@@ -406,7 +429,7 @@ void sbus_unmap_single(struct sbus_dev *sdev, dma_addr_t dma_addr, size_t size,
406 429
407 spin_lock_irqsave(&iommu->lock, flags); 430 spin_lock_irqsave(&iommu->lock, flags);
408 free_streaming_cluster(iommu, dma_base, size >> IO_PAGE_SHIFT); 431 free_streaming_cluster(iommu, dma_base, size >> IO_PAGE_SHIFT);
409 strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT); 432 sbus_strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT, direction);
410 spin_unlock_irqrestore(&iommu->lock, flags); 433 spin_unlock_irqrestore(&iommu->lock, flags);
411} 434}
412 435
@@ -569,7 +592,7 @@ void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, int nents, int
569 iommu = sdev->bus->iommu; 592 iommu = sdev->bus->iommu;
570 spin_lock_irqsave(&iommu->lock, flags); 593 spin_lock_irqsave(&iommu->lock, flags);
571 free_streaming_cluster(iommu, dvma_base, size >> IO_PAGE_SHIFT); 594 free_streaming_cluster(iommu, dvma_base, size >> IO_PAGE_SHIFT);
572 strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT); 595 sbus_strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT, direction);
573 spin_unlock_irqrestore(&iommu->lock, flags); 596 spin_unlock_irqrestore(&iommu->lock, flags);
574} 597}
575 598
@@ -581,7 +604,7 @@ void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, dma_addr_t base, size_t
581 size = (IO_PAGE_ALIGN(base + size) - (base & IO_PAGE_MASK)); 604 size = (IO_PAGE_ALIGN(base + size) - (base & IO_PAGE_MASK));
582 605
583 spin_lock_irqsave(&iommu->lock, flags); 606 spin_lock_irqsave(&iommu->lock, flags);
584 strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT); 607 sbus_strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT, direction);
585 spin_unlock_irqrestore(&iommu->lock, flags); 608 spin_unlock_irqrestore(&iommu->lock, flags);
586} 609}
587 610
@@ -605,7 +628,7 @@ void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, struct scatterlist *sg, int
605 size = IO_PAGE_ALIGN(sg[i].dma_address + sg[i].dma_length) - base; 628 size = IO_PAGE_ALIGN(sg[i].dma_address + sg[i].dma_length) - base;
606 629
607 spin_lock_irqsave(&iommu->lock, flags); 630 spin_lock_irqsave(&iommu->lock, flags);
608 strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT); 631 sbus_strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT, direction);
609 spin_unlock_irqrestore(&iommu->lock, flags); 632 spin_unlock_irqrestore(&iommu->lock, flags);
610} 633}
611 634
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 12c3d84b7460..b7e6a91952b2 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -383,6 +383,17 @@ static void __init process_switch(char c)
383 /* Use PROM debug console. */ 383 /* Use PROM debug console. */
384 register_console(&prom_debug_console); 384 register_console(&prom_debug_console);
385 break; 385 break;
386 case 'P':
387 /* Force UltraSPARC-III P-Cache on. */
388 if (tlb_type != cheetah) {
389 printk("BOOT: Ignoring P-Cache force option.\n");
390 break;
391 }
392 cheetah_pcache_forced_on = 1;
393 add_taint(TAINT_MACHINE_CHECK);
394 cheetah_enable_pcache();
395 break;
396
386 default: 397 default:
387 printk("Unknown boot switch (-%c)\n", c); 398 printk("Unknown boot switch (-%c)\n", c);
388 break; 399 break;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 6dff06a44e76..e5b9c7a27789 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -123,6 +123,9 @@ void __init smp_callin(void)
123 123
124 smp_setup_percpu_timer(); 124 smp_setup_percpu_timer();
125 125
126 if (cheetah_pcache_forced_on)
127 cheetah_enable_pcache();
128
126 local_irq_enable(); 129 local_irq_enable();
127 130
128 calibrate_delay(); 131 calibrate_delay();
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 56b203a2af69..a9f4596d7c2b 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -421,6 +421,25 @@ asmlinkage void cee_log(unsigned long ce_status,
421 } 421 }
422} 422}
423 423
424int cheetah_pcache_forced_on;
425
426void cheetah_enable_pcache(void)
427{
428 unsigned long dcr;
429
430 printk("CHEETAH: Enabling P-Cache on cpu %d.\n",
431 smp_processor_id());
432
433 __asm__ __volatile__("ldxa [%%g0] %1, %0"
434 : "=r" (dcr)
435 : "i" (ASI_DCU_CONTROL_REG));
436 dcr |= (DCU_PE | DCU_HPE | DCU_SPE | DCU_SL);
437 __asm__ __volatile__("stxa %0, [%%g0] %1\n\t"
438 "membar #Sync"
439 : /* no outputs */
440 : "r" (dcr), "i" (ASI_DCU_CONTROL_REG));
441}
442
424/* Cheetah error trap handling. */ 443/* Cheetah error trap handling. */
425static unsigned long ecache_flush_physbase; 444static unsigned long ecache_flush_physbase;
426static unsigned long ecache_flush_linesize; 445static unsigned long ecache_flush_linesize;
diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index b89989de364d..bd41e4286d0d 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -2,10 +2,6 @@ menu "Kernel hacking"
2 2
3source "lib/Kconfig.debug" 3source "lib/Kconfig.debug"
4 4
5config FRAME_POINTER
6 bool
7 default y if DEBUG_INFO
8
9config PT_PROXY 5config PT_PROXY
10 bool "Enable ptrace proxy" 6 bool "Enable ptrace proxy"
11 depends on XTERM_CHAN && DEBUG_INFO && MODE_TT 7 depends on XTERM_CHAN && DEBUG_INFO && MODE_TT
diff --git a/arch/um/Kconfig_x86_64 b/arch/um/Kconfig_x86_64
index fd8d7e8982b1..f162f50f0b17 100644
--- a/arch/um/Kconfig_x86_64
+++ b/arch/um/Kconfig_x86_64
@@ -6,6 +6,10 @@ config 64BIT
6 bool 6 bool
7 default y 7 default y
8 8
9config TOP_ADDR
10 hex
11 default 0x80000000
12
9config 3_LEVEL_PGTABLES 13config 3_LEVEL_PGTABLES
10 bool 14 bool
11 default y 15 default y
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 0150038af795..14a12d6b3df6 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -20,9 +20,17 @@
20#include "os.h" 20#include "os.h"
21 21
22#ifdef CONFIG_NOCONFIG_CHAN 22#ifdef CONFIG_NOCONFIG_CHAN
23
24/* The printk's here are wrong because we are complaining that there is no
25 * output device, but printk is printing to that output device. The user will
26 * never see the error. printf would be better, except it can't run on a
27 * kernel stack because it will overflow it.
28 * Use printk for now since that will avoid crashing.
29 */
30
23static void *not_configged_init(char *str, int device, struct chan_opts *opts) 31static void *not_configged_init(char *str, int device, struct chan_opts *opts)
24{ 32{
25 printf(KERN_ERR "Using a channel type which is configured out of " 33 printk(KERN_ERR "Using a channel type which is configured out of "
26 "UML\n"); 34 "UML\n");
27 return(NULL); 35 return(NULL);
28} 36}
@@ -30,27 +38,27 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts)
30static int not_configged_open(int input, int output, int primary, void *data, 38static int not_configged_open(int input, int output, int primary, void *data,
31 char **dev_out) 39 char **dev_out)
32{ 40{
33 printf(KERN_ERR "Using a channel type which is configured out of " 41 printk(KERN_ERR "Using a channel type which is configured out of "
34 "UML\n"); 42 "UML\n");
35 return(-ENODEV); 43 return(-ENODEV);
36} 44}
37 45
38static void not_configged_close(int fd, void *data) 46static void not_configged_close(int fd, void *data)
39{ 47{
40 printf(KERN_ERR "Using a channel type which is configured out of " 48 printk(KERN_ERR "Using a channel type which is configured out of "
41 "UML\n"); 49 "UML\n");
42} 50}
43 51
44static int not_configged_read(int fd, char *c_out, void *data) 52static int not_configged_read(int fd, char *c_out, void *data)
45{ 53{
46 printf(KERN_ERR "Using a channel type which is configured out of " 54 printk(KERN_ERR "Using a channel type which is configured out of "
47 "UML\n"); 55 "UML\n");
48 return(-EIO); 56 return(-EIO);
49} 57}
50 58
51static int not_configged_write(int fd, const char *buf, int len, void *data) 59static int not_configged_write(int fd, const char *buf, int len, void *data)
52{ 60{
53 printf(KERN_ERR "Using a channel type which is configured out of " 61 printk(KERN_ERR "Using a channel type which is configured out of "
54 "UML\n"); 62 "UML\n");
55 return(-EIO); 63 return(-EIO);
56} 64}
@@ -58,7 +66,7 @@ static int not_configged_write(int fd, const char *buf, int len, void *data)
58static int not_configged_console_write(int fd, const char *buf, int len, 66static int not_configged_console_write(int fd, const char *buf, int len,
59 void *data) 67 void *data)
60{ 68{
61 printf(KERN_ERR "Using a channel type which is configured out of " 69 printk(KERN_ERR "Using a channel type which is configured out of "
62 "UML\n"); 70 "UML\n");
63 return(-EIO); 71 return(-EIO);
64} 72}
@@ -66,7 +74,7 @@ static int not_configged_console_write(int fd, const char *buf, int len,
66static int not_configged_window_size(int fd, void *data, unsigned short *rows, 74static int not_configged_window_size(int fd, void *data, unsigned short *rows,
67 unsigned short *cols) 75 unsigned short *cols)
68{ 76{
69 printf(KERN_ERR "Using a channel type which is configured out of " 77 printk(KERN_ERR "Using a channel type which is configured out of "
70 "UML\n"); 78 "UML\n");
71 return(-ENODEV); 79 return(-ENODEV);
72} 80}
diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c
index faf714e87b5b..217438cdef33 100644
--- a/arch/um/drivers/mcast_kern.c
+++ b/arch/um/drivers/mcast_kern.c
@@ -73,7 +73,6 @@ int mcast_setup(char *str, char **mac_out, void *data)
73 struct mcast_init *init = data; 73 struct mcast_init *init = data;
74 char *port_str = NULL, *ttl_str = NULL, *remain; 74 char *port_str = NULL, *ttl_str = NULL, *remain;
75 char *last; 75 char *last;
76 int n;
77 76
78 *init = ((struct mcast_init) 77 *init = ((struct mcast_init)
79 { .addr = "239.192.168.1", 78 { .addr = "239.192.168.1",
@@ -89,13 +88,12 @@ int mcast_setup(char *str, char **mac_out, void *data)
89 } 88 }
90 89
91 if(port_str != NULL){ 90 if(port_str != NULL){
92 n = simple_strtoul(port_str, &last, 10); 91 init->port = simple_strtoul(port_str, &last, 10);
93 if((*last != '\0') || (last == port_str)){ 92 if((*last != '\0') || (last == port_str)){
94 printk(KERN_ERR "mcast_setup - Bad port : '%s'\n", 93 printk(KERN_ERR "mcast_setup - Bad port : '%s'\n",
95 port_str); 94 port_str);
96 return(0); 95 return(0);
97 } 96 }
98 init->port = htons(n);
99 } 97 }
100 98
101 if(ttl_str != NULL){ 99 if(ttl_str != NULL){
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 0fe1d9fa9139..7a0d115b29d0 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -38,7 +38,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port)
38 } 38 }
39 sin->sin_family = AF_INET; 39 sin->sin_family = AF_INET;
40 sin->sin_addr.s_addr = in_aton(addr); 40 sin->sin_addr.s_addr = in_aton(addr);
41 sin->sin_port = port; 41 sin->sin_port = htons(port);
42 return(sin); 42 return(sin);
43} 43}
44 44
@@ -55,28 +55,25 @@ static int mcast_open(void *data)
55 struct mcast_data *pri = data; 55 struct mcast_data *pri = data;
56 struct sockaddr_in *sin = pri->mcast_addr; 56 struct sockaddr_in *sin = pri->mcast_addr;
57 struct ip_mreq mreq; 57 struct ip_mreq mreq;
58 int fd, yes = 1; 58 int fd = -EINVAL, yes = 1, err = -EINVAL;;
59 59
60 60
61 if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0)) { 61 if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0))
62 fd = -EINVAL;
63 goto out; 62 goto out;
64 }
65 63
66 fd = socket(AF_INET, SOCK_DGRAM, 0); 64 fd = socket(AF_INET, SOCK_DGRAM, 0);
65
67 if (fd < 0){ 66 if (fd < 0){
68 printk("mcast_open : data socket failed, errno = %d\n", 67 printk("mcast_open : data socket failed, errno = %d\n",
69 errno); 68 errno);
70 fd = -ENOMEM; 69 fd = -errno;
71 goto out; 70 goto out;
72 } 71 }
73 72
74 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { 73 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
75 printk("mcast_open: SO_REUSEADDR failed, errno = %d\n", 74 printk("mcast_open: SO_REUSEADDR failed, errno = %d\n",
76 errno); 75 errno);
77 os_close_file(fd); 76 goto out_close;
78 fd = -EINVAL;
79 goto out;
80 } 77 }
81 78
82 /* set ttl according to config */ 79 /* set ttl according to config */
@@ -84,26 +81,20 @@ static int mcast_open(void *data)
84 sizeof(pri->ttl)) < 0) { 81 sizeof(pri->ttl)) < 0) {
85 printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n", 82 printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n",
86 errno); 83 errno);
87 os_close_file(fd); 84 goto out_close;
88 fd = -EINVAL;
89 goto out;
90 } 85 }
91 86
92 /* set LOOP, so data does get fed back to local sockets */ 87 /* set LOOP, so data does get fed back to local sockets */
93 if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) { 88 if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
94 printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n", 89 printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n",
95 errno); 90 errno);
96 os_close_file(fd); 91 goto out_close;
97 fd = -EINVAL;
98 goto out;
99 } 92 }
100 93
101 /* bind socket to mcast address */ 94 /* bind socket to mcast address */
102 if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) { 95 if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
103 printk("mcast_open : data bind failed, errno = %d\n", errno); 96 printk("mcast_open : data bind failed, errno = %d\n", errno);
104 os_close_file(fd); 97 goto out_close;
105 fd = -EINVAL;
106 goto out;
107 } 98 }
108 99
109 /* subscribe to the multicast group */ 100 /* subscribe to the multicast group */
@@ -117,12 +108,15 @@ static int mcast_open(void *data)
117 "interface on the host.\n"); 108 "interface on the host.\n");
118 printk("eth0 should be configured in order to use the " 109 printk("eth0 should be configured in order to use the "
119 "multicast transport.\n"); 110 "multicast transport.\n");
120 os_close_file(fd); 111 goto out_close;
121 fd = -EINVAL;
122 } 112 }
123 113
124 out: 114 out:
125 return(fd); 115 return fd;
116
117 out_close:
118 os_close_file(fd);
119 return err;
126} 120}
127 121
128static void mcast_close(int fd, void *data) 122static void mcast_close(int fd, void *data)
@@ -164,14 +158,3 @@ struct net_user_info mcast_user_info = {
164 .delete_address = NULL, 158 .delete_address = NULL,
165 .max_packet = MAX_PACKET - ETH_HEADER_OTHER 159 .max_packet = MAX_PACKET - ETH_HEADER_OTHER
166}; 160};
167
168/*
169 * Overrides for Emacs so that we follow Linus's tabbing style.
170 * Emacs will notice this stuff at the end of the file and automatically
171 * adjust the settings for this buffer only. This must remain at the end
172 * of the file.
173 * ---------------------------------------------------------------------------
174 * Local variables:
175 * c-file-style: "linux"
176 * End:
177 */
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index d43e9fab05a7..f9e22198e011 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -1,5 +1,10 @@
1/* Much of this ripped from hw_random.c */ 1/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */
2 2/* Much of this ripped from drivers/char/hw_random.c, see there for other
3 * copyright.
4 *
5 * This software may be used and distributed according to the terms
6 * of the GNU General Public License, incorporated herein by reference.
7 */
3#include <linux/module.h> 8#include <linux/module.h>
4#include <linux/fs.h> 9#include <linux/fs.h>
5#include <linux/miscdevice.h> 10#include <linux/miscdevice.h>
@@ -12,8 +17,6 @@
12 */ 17 */
13#define RNG_VERSION "1.0.0" 18#define RNG_VERSION "1.0.0"
14#define RNG_MODULE_NAME "random" 19#define RNG_MODULE_NAME "random"
15#define RNG_DRIVER_NAME RNG_MODULE_NAME " virtual driver " RNG_VERSION
16#define PFX RNG_MODULE_NAME ": "
17 20
18#define RNG_MISCDEV_MINOR 183 /* official */ 21#define RNG_MISCDEV_MINOR 183 /* official */
19 22
@@ -98,7 +101,7 @@ static int __init rng_init (void)
98 101
99 err = misc_register (&rng_miscdev); 102 err = misc_register (&rng_miscdev);
100 if (err) { 103 if (err) {
101 printk (KERN_ERR PFX "misc device register failed\n"); 104 printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n");
102 goto err_out_cleanup_hw; 105 goto err_out_cleanup_hw;
103 } 106 }
104 107
@@ -120,3 +123,6 @@ static void __exit rng_cleanup (void)
120 123
121module_init (rng_init); 124module_init (rng_init);
122module_exit (rng_cleanup); 125module_exit (rng_cleanup);
126
127MODULE_DESCRIPTION("UML Host Random Number Generator (RNG) driver");
128MODULE_LICENSE("GPL");
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index a2bac429f3d4..b32a77010fbe 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -22,7 +22,6 @@
22#include "init.h" 22#include "init.h"
23#include "irq_user.h" 23#include "irq_user.h"
24#include "mconsole_kern.h" 24#include "mconsole_kern.h"
25#include "2_5compat.h"
26 25
27static int ssl_version = 1; 26static int ssl_version = 1;
28 27
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 361d0be342b3..afbe1e71ed83 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -28,7 +28,6 @@
28#include "irq_user.h" 28#include "irq_user.h"
29#include "mconsole_kern.h" 29#include "mconsole_kern.h"
30#include "init.h" 30#include "init.h"
31#include "2_5compat.h"
32 31
33#define MAX_TTYS (16) 32#define MAX_TTYS (16)
34 33
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 9a56ff94308d..2a7f6892c55c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -49,13 +49,12 @@
49#include "irq_user.h" 49#include "irq_user.h"
50#include "irq_kern.h" 50#include "irq_kern.h"
51#include "ubd_user.h" 51#include "ubd_user.h"
52#include "2_5compat.h"
53#include "os.h" 52#include "os.h"
54#include "mem.h" 53#include "mem.h"
55#include "mem_kern.h" 54#include "mem_kern.h"
56#include "cow.h" 55#include "cow.h"
57 56
58enum ubd_req { UBD_READ, UBD_WRITE, UBD_MMAP }; 57enum ubd_req { UBD_READ, UBD_WRITE };
59 58
60struct io_thread_req { 59struct io_thread_req {
61 enum ubd_req op; 60 enum ubd_req op;
@@ -68,8 +67,6 @@ struct io_thread_req {
68 unsigned long sector_mask; 67 unsigned long sector_mask;
69 unsigned long long cow_offset; 68 unsigned long long cow_offset;
70 unsigned long bitmap_words[2]; 69 unsigned long bitmap_words[2];
71 int map_fd;
72 unsigned long long map_offset;
73 int error; 70 int error;
74}; 71};
75 72
@@ -122,10 +119,6 @@ static int ubd_ioctl(struct inode * inode, struct file * file,
122 119
123#define MAX_DEV (8) 120#define MAX_DEV (8)
124 121
125/* Changed in early boot */
126static int ubd_do_mmap = 0;
127#define UBD_MMAP_BLOCK_SIZE PAGE_SIZE
128
129static struct block_device_operations ubd_blops = { 122static struct block_device_operations ubd_blops = {
130 .owner = THIS_MODULE, 123 .owner = THIS_MODULE,
131 .open = ubd_open, 124 .open = ubd_open,
@@ -175,12 +168,6 @@ struct ubd {
175 int no_cow; 168 int no_cow;
176 struct cow cow; 169 struct cow cow;
177 struct platform_device pdev; 170 struct platform_device pdev;
178
179 int map_writes;
180 int map_reads;
181 int nomap_writes;
182 int nomap_reads;
183 int write_maps;
184}; 171};
185 172
186#define DEFAULT_COW { \ 173#define DEFAULT_COW { \
@@ -200,11 +187,6 @@ struct ubd {
200 .openflags = OPEN_FLAGS, \ 187 .openflags = OPEN_FLAGS, \
201 .no_cow = 0, \ 188 .no_cow = 0, \
202 .cow = DEFAULT_COW, \ 189 .cow = DEFAULT_COW, \
203 .map_writes = 0, \
204 .map_reads = 0, \
205 .nomap_writes = 0, \
206 .nomap_reads = 0, \
207 .write_maps = 0, \
208} 190}
209 191
210struct ubd ubd_dev[MAX_DEV] = { [ 0 ... MAX_DEV - 1 ] = DEFAULT_UBD }; 192struct ubd ubd_dev[MAX_DEV] = { [ 0 ... MAX_DEV - 1 ] = DEFAULT_UBD };
@@ -314,13 +296,6 @@ static int ubd_setup_common(char *str, int *index_out)
314 int major; 296 int major;
315 297
316 str++; 298 str++;
317 if(!strcmp(str, "mmap")){
318 CHOOSE_MODE(printk("mmap not supported by the ubd "
319 "driver in tt mode\n"),
320 ubd_do_mmap = 1);
321 return(0);
322 }
323
324 if(!strcmp(str, "sync")){ 299 if(!strcmp(str, "sync")){
325 global_openflags = of_sync(global_openflags); 300 global_openflags = of_sync(global_openflags);
326 return(0); 301 return(0);
@@ -464,9 +439,9 @@ static int udb_setup(char *str)
464__setup("udb", udb_setup); 439__setup("udb", udb_setup);
465__uml_help(udb_setup, 440__uml_help(udb_setup,
466"udb\n" 441"udb\n"
467" This option is here solely to catch ubd -> udb typos, which can be\n\n" 442" This option is here solely to catch ubd -> udb typos, which can be\n"
468" to impossible to catch visually unless you specifically look for\n\n" 443" to impossible to catch visually unless you specifically look for\n"
469" them. The only result of any option starting with 'udb' is an error\n\n" 444" them. The only result of any option starting with 'udb' is an error\n"
470" in the boot output.\n\n" 445" in the boot output.\n\n"
471); 446);
472 447
@@ -524,7 +499,7 @@ static void ubd_handler(void)
524{ 499{
525 struct io_thread_req req; 500 struct io_thread_req req;
526 struct request *rq = elv_next_request(ubd_queue); 501 struct request *rq = elv_next_request(ubd_queue);
527 int n, err; 502 int n;
528 503
529 do_ubd = NULL; 504 do_ubd = NULL;
530 intr_count++; 505 intr_count++;
@@ -538,19 +513,6 @@ static void ubd_handler(void)
538 return; 513 return;
539 } 514 }
540 515
541 if((req.op != UBD_MMAP) &&
542 ((req.offset != ((__u64) (rq->sector)) << 9) ||
543 (req.length != (rq->current_nr_sectors) << 9)))
544 panic("I/O op mismatch");
545
546 if(req.map_fd != -1){
547 err = physmem_subst_mapping(req.buffer, req.map_fd,
548 req.map_offset, 1);
549 if(err)
550 printk("ubd_handler - physmem_subst_mapping failed, "
551 "err = %d\n", -err);
552 }
553
554 ubd_finish(rq, req.error); 516 ubd_finish(rq, req.error);
555 reactivate_fd(thread_fd, UBD_IRQ); 517 reactivate_fd(thread_fd, UBD_IRQ);
556 do_ubd_request(ubd_queue); 518 do_ubd_request(ubd_queue);
@@ -583,14 +545,10 @@ static int ubd_file_size(struct ubd *dev, __u64 *size_out)
583 545
584static void ubd_close(struct ubd *dev) 546static void ubd_close(struct ubd *dev)
585{ 547{
586 if(ubd_do_mmap)
587 physmem_forget_descriptor(dev->fd);
588 os_close_file(dev->fd); 548 os_close_file(dev->fd);
589 if(dev->cow.file == NULL) 549 if(dev->cow.file == NULL)
590 return; 550 return;
591 551
592 if(ubd_do_mmap)
593 physmem_forget_descriptor(dev->cow.fd);
594 os_close_file(dev->cow.fd); 552 os_close_file(dev->cow.fd);
595 vfree(dev->cow.bitmap); 553 vfree(dev->cow.bitmap);
596 dev->cow.bitmap = NULL; 554 dev->cow.bitmap = NULL;
@@ -1010,94 +968,13 @@ static void cowify_req(struct io_thread_req *req, unsigned long *bitmap,
1010 req->bitmap_words, bitmap_len); 968 req->bitmap_words, bitmap_len);
1011} 969}
1012 970
1013static int mmap_fd(struct request *req, struct ubd *dev, __u64 offset)
1014{
1015 __u64 sector;
1016 unsigned char *bitmap;
1017 int bit, i;
1018
1019 /* mmap must have been requested on the command line */
1020 if(!ubd_do_mmap)
1021 return(-1);
1022
1023 /* The buffer must be page aligned */
1024 if(((unsigned long) req->buffer % UBD_MMAP_BLOCK_SIZE) != 0)
1025 return(-1);
1026
1027 /* The request must be a page long */
1028 if((req->current_nr_sectors << 9) != PAGE_SIZE)
1029 return(-1);
1030
1031 if(dev->cow.file == NULL)
1032 return(dev->fd);
1033
1034 sector = offset >> 9;
1035 bitmap = (unsigned char *) dev->cow.bitmap;
1036 bit = ubd_test_bit(sector, bitmap);
1037
1038 for(i = 1; i < req->current_nr_sectors; i++){
1039 if(ubd_test_bit(sector + i, bitmap) != bit)
1040 return(-1);
1041 }
1042
1043 if(bit || (rq_data_dir(req) == WRITE))
1044 offset += dev->cow.data_offset;
1045
1046 /* The data on disk must be page aligned */
1047 if((offset % UBD_MMAP_BLOCK_SIZE) != 0)
1048 return(-1);
1049
1050 return(bit ? dev->fd : dev->cow.fd);
1051}
1052
1053static int prepare_mmap_request(struct ubd *dev, int fd, __u64 offset,
1054 struct request *req,
1055 struct io_thread_req *io_req)
1056{
1057 int err;
1058
1059 if(rq_data_dir(req) == WRITE){
1060 /* Writes are almost no-ops since the new data is already in the
1061 * host page cache
1062 */
1063 dev->map_writes++;
1064 if(dev->cow.file != NULL)
1065 cowify_bitmap(io_req->offset, io_req->length,
1066 &io_req->sector_mask, &io_req->cow_offset,
1067 dev->cow.bitmap, dev->cow.bitmap_offset,
1068 io_req->bitmap_words,
1069 dev->cow.bitmap_len);
1070 }
1071 else {
1072 int w;
1073
1074 if((dev->cow.file != NULL) && (fd == dev->cow.fd))
1075 w = 0;
1076 else w = dev->openflags.w;
1077
1078 if((dev->cow.file != NULL) && (fd == dev->fd))
1079 offset += dev->cow.data_offset;
1080
1081 err = physmem_subst_mapping(req->buffer, fd, offset, w);
1082 if(err){
1083 printk("physmem_subst_mapping failed, err = %d\n",
1084 -err);
1085 return(1);
1086 }
1087 dev->map_reads++;
1088 }
1089 io_req->op = UBD_MMAP;
1090 io_req->buffer = req->buffer;
1091 return(0);
1092}
1093
1094/* Called with ubd_io_lock held */ 971/* Called with ubd_io_lock held */
1095static int prepare_request(struct request *req, struct io_thread_req *io_req) 972static int prepare_request(struct request *req, struct io_thread_req *io_req)
1096{ 973{
1097 struct gendisk *disk = req->rq_disk; 974 struct gendisk *disk = req->rq_disk;
1098 struct ubd *dev = disk->private_data; 975 struct ubd *dev = disk->private_data;
1099 __u64 offset; 976 __u64 offset;
1100 int len, fd; 977 int len;
1101 978
1102 if(req->rq_status == RQ_INACTIVE) return(1); 979 if(req->rq_status == RQ_INACTIVE) return(1);
1103 980
@@ -1114,34 +991,12 @@ static int prepare_request(struct request *req, struct io_thread_req *io_req)
1114 991
1115 io_req->fds[0] = (dev->cow.file != NULL) ? dev->cow.fd : dev->fd; 992 io_req->fds[0] = (dev->cow.file != NULL) ? dev->cow.fd : dev->fd;
1116 io_req->fds[1] = dev->fd; 993 io_req->fds[1] = dev->fd;
1117 io_req->map_fd = -1;
1118 io_req->cow_offset = -1; 994 io_req->cow_offset = -1;
1119 io_req->offset = offset; 995 io_req->offset = offset;
1120 io_req->length = len; 996 io_req->length = len;
1121 io_req->error = 0; 997 io_req->error = 0;
1122 io_req->sector_mask = 0; 998 io_req->sector_mask = 0;
1123 999
1124 fd = mmap_fd(req, dev, io_req->offset);
1125 if(fd > 0){
1126 /* If mmapping is otherwise OK, but the first access to the
1127 * page is a write, then it's not mapped in yet. So we have
1128 * to write the data to disk first, then we can map the disk
1129 * page in and continue normally from there.
1130 */
1131 if((rq_data_dir(req) == WRITE) && !is_remapped(req->buffer)){
1132 io_req->map_fd = dev->fd;
1133 io_req->map_offset = io_req->offset +
1134 dev->cow.data_offset;
1135 dev->write_maps++;
1136 }
1137 else return(prepare_mmap_request(dev, fd, io_req->offset, req,
1138 io_req));
1139 }
1140
1141 if(rq_data_dir(req) == READ)
1142 dev->nomap_reads++;
1143 else dev->nomap_writes++;
1144
1145 io_req->op = (rq_data_dir(req) == READ) ? UBD_READ : UBD_WRITE; 1000 io_req->op = (rq_data_dir(req) == READ) ? UBD_READ : UBD_WRITE;
1146 io_req->offsets[0] = 0; 1001 io_req->offsets[0] = 0;
1147 io_req->offsets[1] = dev->cow.data_offset; 1002 io_req->offsets[1] = dev->cow.data_offset;
@@ -1229,143 +1084,6 @@ static int ubd_ioctl(struct inode * inode, struct file * file,
1229 return(-EINVAL); 1084 return(-EINVAL);
1230} 1085}
1231 1086
1232static int ubd_check_remapped(int fd, unsigned long address, int is_write,
1233 __u64 offset)
1234{
1235 __u64 bitmap_offset;
1236 unsigned long new_bitmap[2];
1237 int i, err, n;
1238
1239 /* If it's not a write access, we can't do anything about it */
1240 if(!is_write)
1241 return(0);
1242
1243 /* We have a write */
1244 for(i = 0; i < sizeof(ubd_dev) / sizeof(ubd_dev[0]); i++){
1245 struct ubd *dev = &ubd_dev[i];
1246
1247 if((dev->fd != fd) && (dev->cow.fd != fd))
1248 continue;
1249
1250 /* It's a write to a ubd device */
1251
1252 /* This should be impossible now */
1253 if(!dev->openflags.w){
1254 /* It's a write access on a read-only device - probably
1255 * shouldn't happen. If the kernel is trying to change
1256 * something with no intention of writing it back out,
1257 * then this message will clue us in that this needs
1258 * fixing
1259 */
1260 printk("Write access to mapped page from readonly ubd "
1261 "device %d\n", i);
1262 return(0);
1263 }
1264
1265 /* It's a write to a writeable ubd device - it must be COWed
1266 * because, otherwise, the page would have been mapped in
1267 * writeable
1268 */
1269
1270 if(!dev->cow.file)
1271 panic("Write fault on writeable non-COW ubd device %d",
1272 i);
1273
1274 /* It should also be an access to the backing file since the
1275 * COW pages should be mapped in read-write
1276 */
1277
1278 if(fd == dev->fd)
1279 panic("Write fault on a backing page of ubd "
1280 "device %d\n", i);
1281
1282 /* So, we do the write, copying the backing data to the COW
1283 * file...
1284 */
1285
1286 err = os_seek_file(dev->fd, offset + dev->cow.data_offset);
1287 if(err < 0)
1288 panic("Couldn't seek to %lld in COW file of ubd "
1289 "device %d, err = %d",
1290 offset + dev->cow.data_offset, i, -err);
1291
1292 n = os_write_file(dev->fd, (void *) address, PAGE_SIZE);
1293 if(n != PAGE_SIZE)
1294 panic("Couldn't copy data to COW file of ubd "
1295 "device %d, err = %d", i, -n);
1296
1297 /* ... updating the COW bitmap... */
1298
1299 cowify_bitmap(offset, PAGE_SIZE, NULL, &bitmap_offset,
1300 dev->cow.bitmap, dev->cow.bitmap_offset,
1301 new_bitmap, dev->cow.bitmap_len);
1302
1303 err = os_seek_file(dev->fd, bitmap_offset);
1304 if(err < 0)
1305 panic("Couldn't seek to %lld in COW file of ubd "
1306 "device %d, err = %d", bitmap_offset, i, -err);
1307
1308 n = os_write_file(dev->fd, new_bitmap, sizeof(new_bitmap));
1309 if(n != sizeof(new_bitmap))
1310 panic("Couldn't update bitmap of ubd device %d, "
1311 "err = %d", i, -n);
1312
1313 /* Maybe we can map the COW page in, and maybe we can't. If
1314 * it is a pre-V3 COW file, we can't, since the alignment will
1315 * be wrong. If it is a V3 or later COW file which has been
1316 * moved to a system with a larger page size, then maybe we
1317 * can't, depending on the exact location of the page.
1318 */
1319
1320 offset += dev->cow.data_offset;
1321
1322 /* Remove the remapping, putting the original anonymous page
1323 * back. If the COW file can be mapped in, that is done.
1324 * Otherwise, the COW page is read in.
1325 */
1326
1327 if(!physmem_remove_mapping((void *) address))
1328 panic("Address 0x%lx not remapped by ubd device %d",
1329 address, i);
1330 if((offset % UBD_MMAP_BLOCK_SIZE) == 0)
1331 physmem_subst_mapping((void *) address, dev->fd,
1332 offset, 1);
1333 else {
1334 err = os_seek_file(dev->fd, offset);
1335 if(err < 0)
1336 panic("Couldn't seek to %lld in COW file of "
1337 "ubd device %d, err = %d", offset, i,
1338 -err);
1339
1340 n = os_read_file(dev->fd, (void *) address, PAGE_SIZE);
1341 if(n != PAGE_SIZE)
1342 panic("Failed to read page from offset %llx of "
1343 "COW file of ubd device %d, err = %d",
1344 offset, i, -n);
1345 }
1346
1347 return(1);
1348 }
1349
1350 /* It's not a write on a ubd device */
1351 return(0);
1352}
1353
1354static struct remapper ubd_remapper = {
1355 .list = LIST_HEAD_INIT(ubd_remapper.list),
1356 .proc = ubd_check_remapped,
1357};
1358
1359static int ubd_remapper_setup(void)
1360{
1361 if(ubd_do_mmap)
1362 register_remapper(&ubd_remapper);
1363
1364 return(0);
1365}
1366
1367__initcall(ubd_remapper_setup);
1368
1369static int same_backing_files(char *from_cmdline, char *from_cow, char *cow) 1087static int same_backing_files(char *from_cmdline, char *from_cow, char *cow)
1370{ 1088{
1371 struct uml_stat buf1, buf2; 1089 struct uml_stat buf1, buf2;
@@ -1568,15 +1286,6 @@ void do_io(struct io_thread_req *req)
1568 int err; 1286 int err;
1569 __u64 off; 1287 __u64 off;
1570 1288
1571 if(req->op == UBD_MMAP){
1572 /* Touch the page to force the host to do any necessary IO to
1573 * get it into memory
1574 */
1575 n = *((volatile int *) req->buffer);
1576 req->error = update_bitmap(req);
1577 return;
1578 }
1579
1580 nsectors = req->length / req->sectorsize; 1289 nsectors = req->length / req->sectorsize;
1581 start = 0; 1290 start = 0;
1582 do { 1291 do {
diff --git a/arch/um/include/2_5compat.h b/arch/um/include/2_5compat.h
deleted file mode 100644
index abdb015a4d71..000000000000
--- a/arch/um/include/2_5compat.h
+++ /dev/null
@@ -1,24 +0,0 @@
1/*
2 * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __2_5_COMPAT_H__
7#define __2_5_COMPAT_H__
8
9#define INIT_HARDSECT(arr, maj, sizes)
10
11#define SET_PRI(task) do ; while(0)
12
13#endif
14
15/*
16 * Overrides for Emacs so that we follow Linus's tabbing style.
17 * Emacs will notice this stuff at the end of the file and automatically
18 * adjust the settings for this buffer only. This must remain at the end
19 * of the file.
20 * ---------------------------------------------------------------------------
21 * Local variables:
22 * c-file-style: "linux"
23 * End:
24 */
diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/sysdep-i386/ptrace.h
index 84ec7ff5cf8c..6eaeb9919983 100644
--- a/arch/um/include/sysdep-i386/ptrace.h
+++ b/arch/um/include/sysdep-i386/ptrace.h
@@ -31,7 +31,6 @@ extern int sysemu_supported;
31#ifdef UML_CONFIG_MODE_SKAS 31#ifdef UML_CONFIG_MODE_SKAS
32 32
33#include "skas_ptregs.h" 33#include "skas_ptregs.h"
34#include "sysdep/faultinfo.h"
35 34
36#define REGS_IP(r) ((r)[HOST_IP]) 35#define REGS_IP(r) ((r)[HOST_IP])
37#define REGS_SP(r) ((r)[HOST_SP]) 36#define REGS_SP(r) ((r)[HOST_SP])
@@ -59,6 +58,7 @@ extern int sysemu_supported;
59#define PTRACE_SYSEMU_SINGLESTEP 32 58#define PTRACE_SYSEMU_SINGLESTEP 32
60#endif 59#endif
61 60
61#include "sysdep/faultinfo.h"
62#include "choose-mode.h" 62#include "choose-mode.h"
63 63
64union uml_pt_regs { 64union uml_pt_regs {
diff --git a/arch/um/include/sysdep-x86_64/checksum.h b/arch/um/include/sysdep-x86_64/checksum.h
index 572c6c19be33..ea97005af694 100644
--- a/arch/um/include/sysdep-x86_64/checksum.h
+++ b/arch/um/include/sysdep-x86_64/checksum.h
@@ -9,8 +9,6 @@
9#include "linux/in6.h" 9#include "linux/in6.h"
10#include "asm/uaccess.h" 10#include "asm/uaccess.h"
11 11
12extern unsigned int csum_partial_copy_from(const unsigned char *src, unsigned char *dst, int len,
13 int sum, int *err_ptr);
14extern unsigned csum_partial(const unsigned char *buff, unsigned len, 12extern unsigned csum_partial(const unsigned char *buff, unsigned len,
15 unsigned sum); 13 unsigned sum);
16 14
@@ -31,10 +29,15 @@ unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *
31} 29}
32 30
33static __inline__ 31static __inline__
34unsigned int csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, 32unsigned int csum_partial_copy_from_user(const unsigned char *src,
35 int len, int sum, int *err_ptr) 33 unsigned char *dst, int len, int sum,
34 int *err_ptr)
36{ 35{
37 return csum_partial_copy_from(src, dst, len, sum, err_ptr); 36 if(copy_from_user(dst, src, len)){
37 *err_ptr = -EFAULT;
38 return(-1);
39 }
40 return csum_partial(dst, len, sum);
38} 41}
39 42
40/** 43/**
@@ -137,15 +140,6 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
137 return a; 140 return a;
138} 141}
139 142
140#endif 143extern unsigned short ip_compute_csum(unsigned char * buff, int len);
141 144
142/* 145#endif
143 * Overrides for Emacs so that we follow Linus's tabbing style.
144 * Emacs will notice this stuff at the end of the file and automatically
145 * adjust the settings for this buffer only. This must remain at the end
146 * of the file.
147 * ---------------------------------------------------------------------------
148 * Local variables:
149 * c-file-style: "linux"
150 * End:
151 */
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h
index 348e8fcd513f..be8acd5efd97 100644
--- a/arch/um/include/sysdep-x86_64/ptrace.h
+++ b/arch/um/include/sysdep-x86_64/ptrace.h
@@ -135,6 +135,7 @@ extern int mode_tt;
135 __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs)) 135 __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs))
136#define UPT_SC(r) ((r)->tt.sc) 136#define UPT_SC(r) ((r)->tt.sc)
137#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall) 137#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall)
138#define UPT_SYSCALL_RET(r) UPT_RAX(r)
138 139
139extern int user_context(unsigned long sp); 140extern int user_context(unsigned long sp);
140 141
@@ -196,32 +197,32 @@ struct syscall_args {
196 197
197 198
198#define UPT_SET(regs, reg, val) \ 199#define UPT_SET(regs, reg, val) \
199 ({ unsigned long val; \ 200 ({ unsigned long __upt_val = val; \
200 switch(reg){ \ 201 switch(reg){ \
201 case R8: UPT_R8(regs) = val; break; \ 202 case R8: UPT_R8(regs) = __upt_val; break; \
202 case R9: UPT_R9(regs) = val; break; \ 203 case R9: UPT_R9(regs) = __upt_val; break; \
203 case R10: UPT_R10(regs) = val; break; \ 204 case R10: UPT_R10(regs) = __upt_val; break; \
204 case R11: UPT_R11(regs) = val; break; \ 205 case R11: UPT_R11(regs) = __upt_val; break; \
205 case R12: UPT_R12(regs) = val; break; \ 206 case R12: UPT_R12(regs) = __upt_val; break; \
206 case R13: UPT_R13(regs) = val; break; \ 207 case R13: UPT_R13(regs) = __upt_val; break; \
207 case R14: UPT_R14(regs) = val; break; \ 208 case R14: UPT_R14(regs) = __upt_val; break; \
208 case R15: UPT_R15(regs) = val; break; \ 209 case R15: UPT_R15(regs) = __upt_val; break; \
209 case RIP: UPT_IP(regs) = val; break; \ 210 case RIP: UPT_IP(regs) = __upt_val; break; \
210 case RSP: UPT_SP(regs) = val; break; \ 211 case RSP: UPT_SP(regs) = __upt_val; break; \
211 case RAX: UPT_RAX(regs) = val; break; \ 212 case RAX: UPT_RAX(regs) = __upt_val; break; \
212 case RBX: UPT_RBX(regs) = val; break; \ 213 case RBX: UPT_RBX(regs) = __upt_val; break; \
213 case RCX: UPT_RCX(regs) = val; break; \ 214 case RCX: UPT_RCX(regs) = __upt_val; break; \
214 case RDX: UPT_RDX(regs) = val; break; \ 215 case RDX: UPT_RDX(regs) = __upt_val; break; \
215 case RSI: UPT_RSI(regs) = val; break; \ 216 case RSI: UPT_RSI(regs) = __upt_val; break; \
216 case RDI: UPT_RDI(regs) = val; break; \ 217 case RDI: UPT_RDI(regs) = __upt_val; break; \
217 case RBP: UPT_RBP(regs) = val; break; \ 218 case RBP: UPT_RBP(regs) = __upt_val; break; \
218 case ORIG_RAX: UPT_ORIG_RAX(regs) = val; break; \ 219 case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
219 case CS: UPT_CS(regs) = val; break; \ 220 case CS: UPT_CS(regs) = __upt_val; break; \
220 case DS: UPT_DS(regs) = val; break; \ 221 case DS: UPT_DS(regs) = __upt_val; break; \
221 case ES: UPT_ES(regs) = val; break; \ 222 case ES: UPT_ES(regs) = __upt_val; break; \
222 case FS: UPT_FS(regs) = val; break; \ 223 case FS: UPT_FS(regs) = __upt_val; break; \
223 case GS: UPT_GS(regs) = val; break; \ 224 case GS: UPT_GS(regs) = __upt_val; break; \
224 case EFLAGS: UPT_EFLAGS(regs) = val; break; \ 225 case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
225 default : \ 226 default : \
226 panic("Bad register in UPT_SET : %d\n", reg); \ 227 panic("Bad register in UPT_SET : %d\n", reg); \
227 break; \ 228 break; \
@@ -245,14 +246,3 @@ struct syscall_args {
245 CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo)) 246 CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo))
246 247
247#endif 248#endif
248
249/*
250 * Overrides for Emacs so that we follow Linus's tabbing style.
251 * Emacs will notice this stuff at the end of the file and automatically
252 * adjust the settings for this buffer only. This must remain at the end
253 * of the file.
254 * ---------------------------------------------------------------------------
255 * Local variables:
256 * c-file-style: "linux"
257 * End:
258 */
diff --git a/arch/um/include/sysrq.h b/arch/um/include/sysrq.h
index 2ce9423460b3..c8d332b56b98 100644
--- a/arch/um/include/sysrq.h
+++ b/arch/um/include/sysrq.h
@@ -1,6 +1,7 @@
1#ifndef __UM_SYSRQ_H 1#ifndef __UM_SYSRQ_H
2#define __UM_SYSRQ_H 2#define __UM_SYSRQ_H
3 3
4extern void show_trace(unsigned long *stack); 4struct task_struct;
5extern void show_trace(struct task_struct* task, unsigned long *stack);
5 6
6#endif 7#endif
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 9736ca27c5f0..a8918e80df96 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -14,7 +14,7 @@ obj-y = config.o exec_kern.o exitcode.o \
14 tlb.o trap_kern.o trap_user.o uaccess_user.o um_arch.o umid.o \ 14 tlb.o trap_kern.o trap_user.o uaccess_user.o um_arch.o umid.o \
15 user_util.o 15 user_util.o
16 16
17obj-$(CONFIG_BLK_DEV_INITRD) += initrd_kern.o initrd_user.o 17obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
18obj-$(CONFIG_GPROF) += gprof_syms.o 18obj-$(CONFIG_GPROF) += gprof_syms.o
19obj-$(CONFIG_GCOV) += gmon_syms.o 19obj-$(CONFIG_GCOV) += gmon_syms.o
20obj-$(CONFIG_TTY_LOG) += tty_log.o 20obj-$(CONFIG_TTY_LOG) += tty_log.o
diff --git a/arch/um/kernel/checksum.c b/arch/um/kernel/checksum.c
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/arch/um/kernel/checksum.c
+++ /dev/null
diff --git a/arch/um/kernel/exec_kern.c b/arch/um/kernel/exec_kern.c
index 49ddabe69be7..efd222ffe20e 100644
--- a/arch/um/kernel/exec_kern.c
+++ b/arch/um/kernel/exec_kern.c
@@ -16,7 +16,6 @@
16#include "kern.h" 16#include "kern.h"
17#include "irq_user.h" 17#include "irq_user.h"
18#include "tlb.h" 18#include "tlb.h"
19#include "2_5compat.h"
20#include "os.h" 19#include "os.h"
21#include "time_user.h" 20#include "time_user.h"
22#include "choose-mode.h" 21#include "choose-mode.h"
diff --git a/arch/um/kernel/initrd_kern.c b/arch/um/kernel/initrd.c
index fc568af468b9..82ecf904b09c 100644
--- a/arch/um/kernel/initrd_kern.c
+++ b/arch/um/kernel/initrd.c
@@ -41,12 +41,31 @@ static int __init uml_initrd_setup(char *line, int *add)
41 return 0; 41 return 0;
42} 42}
43 43
44__uml_setup("initrd=", uml_initrd_setup, 44__uml_setup("initrd=", uml_initrd_setup,
45"initrd=<initrd image>\n" 45"initrd=<initrd image>\n"
46" This is used to boot UML from an initrd image. The argument is the\n" 46" This is used to boot UML from an initrd image. The argument is the\n"
47" name of the file containing the image.\n\n" 47" name of the file containing the image.\n\n"
48); 48);
49 49
50int load_initrd(char *filename, void *buf, int size)
51{
52 int fd, n;
53
54 fd = os_open_file(filename, of_read(OPENFLAGS()), 0);
55 if(fd < 0){
56 printk("Opening '%s' failed - err = %d\n", filename, -fd);
57 return(-1);
58 }
59 n = os_read_file(fd, buf, size);
60 if(n != size){
61 printk("Read of %d bytes from '%s' failed, err = %d\n", size,
62 filename, -n);
63 return(-1);
64 }
65
66 os_close_file(fd);
67 return(0);
68}
50/* 69/*
51 * Overrides for Emacs so that we follow Linus's tabbing style. 70 * Overrides for Emacs so that we follow Linus's tabbing style.
52 * Emacs will notice this stuff at the end of the file and automatically 71 * Emacs will notice this stuff at the end of the file and automatically
diff --git a/arch/um/kernel/initrd_user.c b/arch/um/kernel/initrd_user.c
deleted file mode 100644
index cb90681e151c..000000000000
--- a/arch/um/kernel/initrd_user.c
+++ /dev/null
@@ -1,46 +0,0 @@
1/*
2 * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#include <unistd.h>
7#include <sys/types.h>
8#include <sys/stat.h>
9#include <errno.h>
10
11#include "user_util.h"
12#include "kern_util.h"
13#include "user.h"
14#include "initrd.h"
15#include "os.h"
16
17int load_initrd(char *filename, void *buf, int size)
18{
19 int fd, n;
20
21 fd = os_open_file(filename, of_read(OPENFLAGS()), 0);
22 if(fd < 0){
23 printk("Opening '%s' failed - err = %d\n", filename, -fd);
24 return(-1);
25 }
26 n = os_read_file(fd, buf, size);
27 if(n != size){
28 printk("Read of %d bytes from '%s' failed, err = %d\n", size,
29 filename, -n);
30 return(-1);
31 }
32
33 os_close_file(fd);
34 return(0);
35}
36
37/*
38 * Overrides for Emacs so that we follow Linus's tabbing style.
39 * Emacs will notice this stuff at the end of the file and automatically
40 * adjust the settings for this buffer only. This must remain at the end
41 * of the file.
42 * ---------------------------------------------------------------------------
43 * Local variables:
44 * c-file-style: "linux"
45 * End:
46 */
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 78d69dc74b26..99439fa15ef4 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -57,6 +57,7 @@ EXPORT_SYMBOL(copy_to_user_tt);
57EXPORT_SYMBOL(strncpy_from_user_skas); 57EXPORT_SYMBOL(strncpy_from_user_skas);
58EXPORT_SYMBOL(copy_to_user_skas); 58EXPORT_SYMBOL(copy_to_user_skas);
59EXPORT_SYMBOL(copy_from_user_skas); 59EXPORT_SYMBOL(copy_from_user_skas);
60EXPORT_SYMBOL(clear_user_skas);
60#endif 61#endif
61EXPORT_SYMBOL(uml_strdup); 62EXPORT_SYMBOL(uml_strdup);
62 63
diff --git a/arch/um/kernel/main.c b/arch/um/kernel/main.c
index a17c49703f9b..e42e6364ca13 100644
--- a/arch/um/kernel/main.c
+++ b/arch/um/kernel/main.c
@@ -71,7 +71,7 @@ static __init void do_uml_initcalls(void)
71 71
72static void last_ditch_exit(int sig) 72static void last_ditch_exit(int sig)
73{ 73{
74 CHOOSE_MODE(kmalloc_ok = 0, (void) 0); 74 kmalloc_ok = 0;
75 signal(SIGINT, SIG_DFL); 75 signal(SIGINT, SIG_DFL);
76 signal(SIGTERM, SIG_DFL); 76 signal(SIGTERM, SIG_DFL);
77 signal(SIGHUP, SIG_DFL); 77 signal(SIGHUP, SIG_DFL);
@@ -87,7 +87,7 @@ int main(int argc, char **argv, char **envp)
87{ 87{
88 char **new_argv; 88 char **new_argv;
89 sigset_t mask; 89 sigset_t mask;
90 int ret, i; 90 int ret, i, err;
91 91
92 /* Enable all signals except SIGIO - in some environments, we can 92 /* Enable all signals except SIGIO - in some environments, we can
93 * enter with some signals blocked 93 * enter with some signals blocked
@@ -160,27 +160,29 @@ int main(int argc, char **argv, char **envp)
160 */ 160 */
161 change_sig(SIGPROF, 0); 161 change_sig(SIGPROF, 0);
162 162
163 /* Reboot */ 163 /* This signal stuff used to be in the reboot case. However,
164 if(ret){ 164 * sometimes a SIGVTALRM can come in when we're halting (reproducably
165 int err; 165 * when writing out gcov information, presumably because that takes
166 166 * some time) and cause a segfault.
167 printf("\n"); 167 */
168 168
169 /* stop timers and set SIG*ALRM to be ignored */ 169 /* stop timers and set SIG*ALRM to be ignored */
170 disable_timer(); 170 disable_timer();
171 171
172 /* disable SIGIO for the fds and set SIGIO to be ignored */ 172 /* disable SIGIO for the fds and set SIGIO to be ignored */
173 err = deactivate_all_fds(); 173 err = deactivate_all_fds();
174 if(err) 174 if(err)
175 printf("deactivate_all_fds failed, errno = %d\n", 175 printf("deactivate_all_fds failed, errno = %d\n", -err);
176 -err);
177 176
178 /* Let any pending signals fire now. This ensures 177 /* Let any pending signals fire now. This ensures
179 * that they won't be delivered after the exec, when 178 * that they won't be delivered after the exec, when
180 * they are definitely not expected. 179 * they are definitely not expected.
181 */ 180 */
182 unblock_signals(); 181 unblock_signals();
183 182
183 /* Reboot */
184 if(ret){
185 printf("\n");
184 execvp(new_argv[0], new_argv); 186 execvp(new_argv[0], new_argv);
185 perror("Failed to exec kernel"); 187 perror("Failed to exec kernel");
186 ret = 1; 188 ret = 1;
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index f156661781cb..c22825f13e40 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -100,12 +100,37 @@ void mem_init(void)
100#endif 100#endif
101} 101}
102 102
103/*
104 * Create a page table and place a pointer to it in a middle page
105 * directory entry.
106 */
107static void __init one_page_table_init(pmd_t *pmd)
108{
109 if (pmd_none(*pmd)) {
110 pte_t *pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
111 set_pmd(pmd, __pmd(_KERNPG_TABLE +
112 (unsigned long) __pa(pte)));
113 if (pte != pte_offset_kernel(pmd, 0))
114 BUG();
115 }
116}
117
118static void __init one_md_table_init(pud_t *pud)
119{
120#ifdef CONFIG_3_LEVEL_PGTABLES
121 pmd_t *pmd_table = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE);
122 set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table)));
123 if (pmd_table != pmd_offset(pud, 0))
124 BUG();
125#endif
126}
127
103static void __init fixrange_init(unsigned long start, unsigned long end, 128static void __init fixrange_init(unsigned long start, unsigned long end,
104 pgd_t *pgd_base) 129 pgd_t *pgd_base)
105{ 130{
106 pgd_t *pgd; 131 pgd_t *pgd;
132 pud_t *pud;
107 pmd_t *pmd; 133 pmd_t *pmd;
108 pte_t *pte;
109 int i, j; 134 int i, j;
110 unsigned long vaddr; 135 unsigned long vaddr;
111 136
@@ -115,15 +140,12 @@ static void __init fixrange_init(unsigned long start, unsigned long end,
115 pgd = pgd_base + i; 140 pgd = pgd_base + i;
116 141
117 for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) { 142 for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) {
118 pmd = (pmd_t *)pgd; 143 pud = pud_offset(pgd, vaddr);
144 if (pud_none(*pud))
145 one_md_table_init(pud);
146 pmd = pmd_offset(pud, vaddr);
119 for (; (j < PTRS_PER_PMD) && (vaddr != end); pmd++, j++) { 147 for (; (j < PTRS_PER_PMD) && (vaddr != end); pmd++, j++) {
120 if (pmd_none(*pmd)) { 148 one_page_table_init(pmd);
121 pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
122 set_pmd(pmd, __pmd(_KERNPG_TABLE +
123 (unsigned long) __pa(pte)));
124 if (pte != pte_offset_kernel(pmd, 0))
125 BUG();
126 }
127 vaddr += PMD_SIZE; 149 vaddr += PMD_SIZE;
128 } 150 }
129 j = 0; 151 j = 0;
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index c1adf7ba3fd1..804c6bbdf67c 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -43,7 +43,6 @@
43#include "tlb.h" 43#include "tlb.h"
44#include "frame_kern.h" 44#include "frame_kern.h"
45#include "sigcontext.h" 45#include "sigcontext.h"
46#include "2_5compat.h"
47#include "os.h" 46#include "os.h"
48#include "mode.h" 47#include "mode.h"
49#include "mode_kern.h" 48#include "mode_kern.h"
@@ -55,18 +54,6 @@
55 */ 54 */
56struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } }; 55struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } };
57 56
58struct task_struct *get_task(int pid, int require)
59{
60 struct task_struct *ret;
61
62 read_lock(&tasklist_lock);
63 ret = find_task_by_pid(pid);
64 read_unlock(&tasklist_lock);
65
66 if(require && (ret == NULL)) panic("get_task couldn't find a task\n");
67 return(ret);
68}
69
70int external_pid(void *t) 57int external_pid(void *t)
71{ 58{
72 struct task_struct *task = t ? t : current; 59 struct task_struct *task = t ? t : current;
@@ -189,7 +176,6 @@ void default_idle(void)
189 176
190 while(1){ 177 while(1){
191 /* endless idle loop with no priority at all */ 178 /* endless idle loop with no priority at all */
192 SET_PRI(current);
193 179
194 /* 180 /*
195 * although we are an idle CPU, we do not want to 181 * although we are an idle CPU, we do not want to
@@ -212,11 +198,6 @@ int page_size(void)
212 return(PAGE_SIZE); 198 return(PAGE_SIZE);
213} 199}
214 200
215unsigned long page_mask(void)
216{
217 return(PAGE_MASK);
218}
219
220void *um_virt_to_phys(struct task_struct *task, unsigned long addr, 201void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
221 pte_t *pte_out) 202 pte_t *pte_out)
222{ 203{
@@ -349,11 +330,6 @@ char *uml_strdup(char *string)
349 return(new); 330 return(new);
350} 331}
351 332
352void *get_init_task(void)
353{
354 return(&init_thread_union.thread_info.task);
355}
356
357int copy_to_user_proc(void __user *to, void *from, int size) 333int copy_to_user_proc(void __user *to, void *from, int size)
358{ 334{
359 return(copy_to_user(to, from, size)); 335 return(copy_to_user(to, from, size));
@@ -480,15 +456,3 @@ unsigned long arch_align_stack(unsigned long sp)
480 return sp & ~0xf; 456 return sp & ~0xf;
481} 457}
482#endif 458#endif
483
484
485/*
486 * Overrides for Emacs so that we follow Linus's tabbing style.
487 * Emacs will notice this stuff at the end of the file and automatically
488 * adjust the settings for this buffer only. This must remain at the end
489 * of the file.
490 * ---------------------------------------------------------------------------
491 * Local variables:
492 * c-file-style: "linux"
493 * End:
494 */
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 2b75d8d9ba73..71af4d503899 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -28,9 +28,9 @@ static inline void set_singlestepping(struct task_struct *child, int on)
28 child->thread.singlestep_syscall = 0; 28 child->thread.singlestep_syscall = 0;
29 29
30#ifdef SUBARCH_SET_SINGLESTEPPING 30#ifdef SUBARCH_SET_SINGLESTEPPING
31 SUBARCH_SET_SINGLESTEPPING(child, on) 31 SUBARCH_SET_SINGLESTEPPING(child, on);
32#endif 32#endif
33 } 33}
34 34
35/* 35/*
36 * Called by kernel/ptrace.c when detaching.. 36 * Called by kernel/ptrace.c when detaching..
@@ -83,7 +83,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
83 } 83 }
84 84
85#ifdef SUBACH_PTRACE_SPECIAL 85#ifdef SUBACH_PTRACE_SPECIAL
86 SUBARCH_PTRACE_SPECIAL(child,request,addr,data) 86 SUBARCH_PTRACE_SPECIAL(child,request,addr,data);
87#endif 87#endif
88 88
89 ret = ptrace_check_attach(child, request == PTRACE_KILL); 89 ret = ptrace_check_attach(child, request == PTRACE_KILL);
@@ -322,11 +322,9 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
322 UPT_SYSCALL_ARG2(regs), 322 UPT_SYSCALL_ARG2(regs),
323 UPT_SYSCALL_ARG3(regs), 323 UPT_SYSCALL_ARG3(regs),
324 UPT_SYSCALL_ARG4(regs)); 324 UPT_SYSCALL_ARG4(regs));
325 else { 325 else audit_syscall_exit(current,
326 int res = UPT_SYSCALL_RET(regs); 326 AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
327 audit_syscall_exit(current, AUDITSC_RESULT(res), 327 UPT_SYSCALL_RET(regs));
328 res);
329 }
330 } 328 }
331 329
332 /* Fake a debug trap */ 330 /* Fake a debug trap */
@@ -356,14 +354,3 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
356 current->exit_code = 0; 354 current->exit_code = 0;
357 } 355 }
358} 356}
359
360/*
361 * Overrides for Emacs so that we follow Linus's tabbing style.
362 * Emacs will notice this stuff at the end of the file and automatically
363 * adjust the settings for this buffer only. This must remain at the end
364 * of the file.
365 * ---------------------------------------------------------------------------
366 * Local variables:
367 * c-file-style: "linux"
368 * End:
369 */
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index e630438f9e73..f80850091e79 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -3,6 +3,7 @@
3 * Licensed under the GPL 3 * Licensed under the GPL
4 */ 4 */
5 5
6#include "linux/config.h"
6#include "linux/sched.h" 7#include "linux/sched.h"
7#include "linux/kernel.h" 8#include "linux/kernel.h"
8#include "linux/module.h" 9#include "linux/module.h"
@@ -12,14 +13,14 @@
12#include "sysrq.h" 13#include "sysrq.h"
13#include "user_util.h" 14#include "user_util.h"
14 15
15void show_trace(unsigned long * stack) 16/* Catch non-i386 SUBARCH's. */
17#if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
18void show_trace(struct task_struct *task, unsigned long * stack)
16{ 19{
17 /* XXX: Copy the CONFIG_FRAME_POINTER stack-walking backtrace from
18 * arch/i386/kernel/traps.c, and then move this to sys-i386/sysrq.c.*/
19 unsigned long addr; 20 unsigned long addr;
20 21
21 if (!stack) { 22 if (!stack) {
22 stack = (unsigned long*) &stack; 23 stack = (unsigned long*) &stack;
23 WARN_ON(1); 24 WARN_ON(1);
24 } 25 }
25 26
@@ -35,6 +36,7 @@ void show_trace(unsigned long * stack)
35 } 36 }
36 printk("\n"); 37 printk("\n");
37} 38}
39#endif
38 40
39/* 41/*
40 * stack dumps generator - this is used by arch-independent code. 42 * stack dumps generator - this is used by arch-independent code.
@@ -44,7 +46,7 @@ void dump_stack(void)
44{ 46{
45 unsigned long stack; 47 unsigned long stack;
46 48
47 show_trace(&stack); 49 show_trace(current, &stack);
48} 50}
49EXPORT_SYMBOL(dump_stack); 51EXPORT_SYMBOL(dump_stack);
50 52
@@ -59,7 +61,11 @@ void show_stack(struct task_struct *task, unsigned long *esp)
59 int i; 61 int i;
60 62
61 if (esp == NULL) { 63 if (esp == NULL) {
62 if (task != current) { 64 if (task != current && task != NULL) {
65 /* XXX: Isn't this bogus? I.e. isn't this the
66 * *userspace* stack of this task? If not so, use this
67 * even when task == current (as in i386).
68 */
63 esp = (unsigned long *) KSTK_ESP(task); 69 esp = (unsigned long *) KSTK_ESP(task);
64 /* Which one? No actual difference - just coding style.*/ 70 /* Which one? No actual difference - just coding style.*/
65 //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs); 71 //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs);
@@ -77,5 +83,6 @@ void show_stack(struct task_struct *task, unsigned long *esp)
77 printk("%08lx ", *stack++); 83 printk("%08lx ", *stack++);
78 } 84 }
79 85
80 show_trace(esp); 86 printk("Call Trace: \n");
87 show_trace(current, esp);
81} 88}
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index 5fca2c61eb98..c20aef120598 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -23,7 +23,6 @@
23#include "kern.h" 23#include "kern.h"
24#include "chan_kern.h" 24#include "chan_kern.h"
25#include "mconsole_kern.h" 25#include "mconsole_kern.h"
26#include "2_5compat.h"
27#include "mem.h" 26#include "mem.h"
28#include "mem_kern.h" 27#include "mem_kern.h"
29 28
@@ -57,10 +56,11 @@ int handle_page_fault(unsigned long address, unsigned long ip,
57 *code_out = SEGV_ACCERR; 56 *code_out = SEGV_ACCERR;
58 if(is_write && !(vma->vm_flags & VM_WRITE)) 57 if(is_write && !(vma->vm_flags & VM_WRITE))
59 goto out; 58 goto out;
59
60 if(!(vma->vm_flags & (VM_READ | VM_EXEC)))
61 goto out;
62
60 page = address & PAGE_MASK; 63 page = address & PAGE_MASK;
61 pgd = pgd_offset(mm, page);
62 pud = pud_offset(pgd, page);
63 pmd = pmd_offset(pud, page);
64 do { 64 do {
65 survive: 65 survive:
66 switch (handle_mm_fault(mm, vma, address, is_write)){ 66 switch (handle_mm_fault(mm, vma, address, is_write)){
@@ -106,33 +106,6 @@ out_of_memory:
106 goto out; 106 goto out;
107} 107}
108 108
109LIST_HEAD(physmem_remappers);
110
111void register_remapper(struct remapper *info)
112{
113 list_add(&info->list, &physmem_remappers);
114}
115
116static int check_remapped_addr(unsigned long address, int is_write)
117{
118 struct remapper *remapper;
119 struct list_head *ele;
120 __u64 offset;
121 int fd;
122
123 fd = phys_mapping(__pa(address), &offset);
124 if(fd == -1)
125 return(0);
126
127 list_for_each(ele, &physmem_remappers){
128 remapper = list_entry(ele, struct remapper, list);
129 if((*remapper->proc)(fd, address, is_write, offset))
130 return(1);
131 }
132
133 return(0);
134}
135
136/* 109/*
137 * We give a *copy* of the faultinfo in the regs to segv. 110 * We give a *copy* of the faultinfo in the regs to segv.
138 * This must be done, since nesting SEGVs could overwrite 111 * This must be done, since nesting SEGVs could overwrite
@@ -151,8 +124,6 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc)
151 flush_tlb_kernel_vm(); 124 flush_tlb_kernel_vm();
152 return(0); 125 return(0);
153 } 126 }
154 else if(check_remapped_addr(address & PAGE_MASK, is_write))
155 return(0);
156 else if(current->mm == NULL) 127 else if(current->mm == NULL)
157 panic("Segfault with no mm"); 128 panic("Segfault with no mm");
158 err = handle_page_fault(address, ip, is_write, is_user, &si.si_code); 129 err = handle_page_fault(address, ip, is_write, is_user, &si.si_code);
diff --git a/arch/um/kernel/tt/ksyms.c b/arch/um/kernel/tt/ksyms.c
index 92ec85d67c7c..84a9385a8fef 100644
--- a/arch/um/kernel/tt/ksyms.c
+++ b/arch/um/kernel/tt/ksyms.c
@@ -12,6 +12,7 @@ EXPORT_SYMBOL(__do_copy_to_user);
12EXPORT_SYMBOL(__do_strncpy_from_user); 12EXPORT_SYMBOL(__do_strncpy_from_user);
13EXPORT_SYMBOL(__do_strnlen_user); 13EXPORT_SYMBOL(__do_strnlen_user);
14EXPORT_SYMBOL(__do_clear_user); 14EXPORT_SYMBOL(__do_clear_user);
15EXPORT_SYMBOL(clear_user_tt);
15 16
16EXPORT_SYMBOL(tracing_pid); 17EXPORT_SYMBOL(tracing_pid);
17EXPORT_SYMBOL(honeypot); 18EXPORT_SYMBOL(honeypot);
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index df810ca8fc12..776310fd5b8b 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -32,10 +32,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
32 unsigned long flags; 32 unsigned long flags;
33 int err, vtalrm, alrm, prof, cpu; 33 int err, vtalrm, alrm, prof, cpu;
34 char c; 34 char c;
35 /* jailing and SMP are incompatible, so this doesn't need to be
36 * made per-cpu
37 */
38 static int reading;
39 35
40 from = prev; 36 from = prev;
41 to = next; 37 to = next;
@@ -59,13 +55,11 @@ void *switch_to_tt(void *prev, void *next, void *last)
59 c = 0; 55 c = 0;
60 set_current(to); 56 set_current(to);
61 57
62 reading = 0;
63 err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c)); 58 err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
64 if(err != sizeof(c)) 59 if(err != sizeof(c))
65 panic("write of switch_pipe failed, err = %d", -err); 60 panic("write of switch_pipe failed, err = %d", -err);
66 61
67 reading = 1; 62 if(from->thread.mode.tt.switch_pipe[0] == -1)
68 if(from->thread.mode.tt.switch_pipe[0] == -1)
69 os_kill_process(os_getpid(), 0); 63 os_kill_process(os_getpid(), 0);
70 64
71 err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c)); 65 err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c));
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 4d10ec372a67..418427107b29 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -111,12 +111,6 @@ struct seq_operations cpuinfo_op = {
111 .show = show_cpuinfo, 111 .show = show_cpuinfo,
112}; 112};
113 113
114pte_t * __bad_pagetable(void)
115{
116 panic("Someone should implement __bad_pagetable");
117 return(NULL);
118}
119
120/* Set in linux_main */ 114/* Set in linux_main */
121unsigned long host_task_size; 115unsigned long host_task_size;
122unsigned long task_size; 116unsigned long task_size;
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 76eadb309189..dd5355500bdc 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -73,6 +73,8 @@ SECTIONS
73 73
74 .got : { *(.got.plt) *(.got) } 74 .got : { *(.got.plt) *(.got) }
75 .dynamic : { *(.dynamic) } 75 .dynamic : { *(.dynamic) }
76 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
77 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
76 /* We want the small data sections together, so single-instruction offsets 78 /* We want the small data sections together, so single-instruction offsets
77 can access them all, and initialized data all before uninitialized, so 79 can access them all, and initialized data all before uninitialized, so
78 we can shorten the on-disk segment size. */ 80 we can shorten the on-disk segment size. */
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index fcd67c3414e4..4351e5605506 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -9,11 +9,11 @@ USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
9 9
10SYMLINKS = bitops.c semaphore.c highmem.c module.c 10SYMLINKS = bitops.c semaphore.c highmem.c module.c
11 11
12include arch/um/scripts/Makefile.rules
13
12bitops.c-dir = lib 14bitops.c-dir = lib
13semaphore.c-dir = kernel 15semaphore.c-dir = kernel
14highmem.c-dir = mm 16highmem.c-dir = mm
15module.c-dir = kernel 17module.c-dir = kernel
16 18
17subdir- := util 19subdir- := util
18
19include arch/um/scripts/Makefile.rules
diff --git a/arch/um/sys-i386/delay.c b/arch/um/sys-i386/delay.c
index e9892eef51ce..2c11b9770e8b 100644
--- a/arch/um/sys-i386/delay.c
+++ b/arch/um/sys-i386/delay.c
@@ -1,5 +1,7 @@
1#include "linux/delay.h" 1#include <linux/module.h>
2#include "asm/param.h" 2#include <linux/kernel.h>
3#include <linux/delay.h>
4#include <asm/param.h>
3 5
4void __delay(unsigned long time) 6void __delay(unsigned long time)
5{ 7{
@@ -20,13 +22,19 @@ void __udelay(unsigned long usecs)
20 int i, n; 22 int i, n;
21 23
22 n = (loops_per_jiffy * HZ * usecs) / MILLION; 24 n = (loops_per_jiffy * HZ * usecs) / MILLION;
23 for(i=0;i<n;i++) ; 25 for(i=0;i<n;i++)
26 cpu_relax();
24} 27}
25 28
29EXPORT_SYMBOL(__udelay);
30
26void __const_udelay(unsigned long usecs) 31void __const_udelay(unsigned long usecs)
27{ 32{
28 int i, n; 33 int i, n;
29 34
30 n = (loops_per_jiffy * HZ * usecs) / MILLION; 35 n = (loops_per_jiffy * HZ * usecs) / MILLION;
31 for(i=0;i<n;i++) ; 36 for(i=0;i<n;i++)
37 cpu_relax();
32} 38}
39
40EXPORT_SYMBOL(__const_udelay);
diff --git a/arch/um/sys-i386/sysrq.c b/arch/um/sys-i386/sysrq.c
index 281fc7b8ca00..e3706d15c4f5 100644
--- a/arch/um/sys-i386/sysrq.c
+++ b/arch/um/sys-i386/sysrq.c
@@ -3,12 +3,15 @@
3 * Licensed under the GPL 3 * Licensed under the GPL
4 */ 4 */
5 5
6#include "linux/config.h"
6#include "linux/kernel.h" 7#include "linux/kernel.h"
7#include "linux/smp.h" 8#include "linux/smp.h"
8#include "linux/sched.h" 9#include "linux/sched.h"
10#include "linux/kallsyms.h"
9#include "asm/ptrace.h" 11#include "asm/ptrace.h"
10#include "sysrq.h" 12#include "sysrq.h"
11 13
14/* This is declared by <linux/sched.h> */
12void show_regs(struct pt_regs *regs) 15void show_regs(struct pt_regs *regs)
13{ 16{
14 printk("\n"); 17 printk("\n");
@@ -31,5 +34,80 @@ void show_regs(struct pt_regs *regs)
31 0xffff & PT_REGS_DS(regs), 34 0xffff & PT_REGS_DS(regs),
32 0xffff & PT_REGS_ES(regs)); 35 0xffff & PT_REGS_ES(regs));
33 36
34 show_trace((unsigned long *) &regs); 37 show_trace(NULL, (unsigned long *) &regs);
35} 38}
39
40/* Copied from i386. */
41static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
42{
43 return p > (void *)tinfo &&
44 p < (void *)tinfo + THREAD_SIZE - 3;
45}
46
47/* Adapted from i386 (we also print the address we read from). */
48static inline unsigned long print_context_stack(struct thread_info *tinfo,
49 unsigned long *stack, unsigned long ebp)
50{
51 unsigned long addr;
52
53#ifdef CONFIG_FRAME_POINTER
54 while (valid_stack_ptr(tinfo, (void *)ebp)) {
55 addr = *(unsigned long *)(ebp + 4);
56 printk("%08lx: [<%08lx>]", ebp + 4, addr);
57 print_symbol(" %s", addr);
58 printk("\n");
59 ebp = *(unsigned long *)ebp;
60 }
61#else
62 while (valid_stack_ptr(tinfo, stack)) {
63 addr = *stack;
64 if (__kernel_text_address(addr)) {
65 printk("%08lx: [<%08lx>]", (unsigned long) stack, addr);
66 print_symbol(" %s", addr);
67 printk("\n");
68 }
69 stack++;
70 }
71#endif
72 return ebp;
73}
74
75void show_trace(struct task_struct* task, unsigned long * stack)
76{
77 unsigned long ebp;
78 struct thread_info *context;
79
80 /* Turn this into BUG_ON if possible. */
81 if (!stack) {
82 stack = (unsigned long*) &stack;
83 printk("show_trace: got NULL stack, implicit assumption task == current");
84 WARN_ON(1);
85 }
86
87 if (!task)
88 task = current;
89
90 if (task != current) {
91 //ebp = (unsigned long) KSTK_EBP(task);
92 /* Which one? No actual difference - just coding style.*/
93 ebp = (unsigned long) PT_REGS_EBP(&task->thread.regs);
94 } else {
95 asm ("movl %%ebp, %0" : "=r" (ebp) : );
96 }
97
98 context = (struct thread_info *)
99 ((unsigned long)stack & (~(THREAD_SIZE - 1)));
100 print_context_stack(context, stack, ebp);
101
102 /*while (((long) stack & (THREAD_SIZE-1)) != 0) {
103 addr = *stack;
104 if (__kernel_text_address(addr)) {
105 printk("%08lx: [<%08lx>]", (unsigned long) stack, addr);
106 print_symbol(" %s", addr);
107 printk("\n");
108 }
109 stack++;
110 }*/
111 printk("\n");
112}
113
diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c
index 82d6e9335bb6..2f816f1a0ff4 100644
--- a/arch/um/sys-ppc/sysrq.c
+++ b/arch/um/sys-ppc/sysrq.c
@@ -27,17 +27,5 @@ void show_regs(struct pt_regs_subarch *regs)
27 0xffff & regs->xds, 0xffff & regs->xes); 27 0xffff & regs->xds, 0xffff & regs->xes);
28#endif 28#endif
29 29
30 show_trace(&regs->gpr[1]); 30 show_trace(current, &regs->gpr[1]);
31} 31}
32
33
34/*
35 * Overrides for Emacs so that we follow Linus's tabbing style.
36 * Emacs will notice this stuff at the end of the file and automatically
37 * adjust the settings for this buffer only. This must remain at the end
38 * of the file.
39 * ---------------------------------------------------------------------------
40 * Local variables:
41 * c-file-style: "linux"
42 * End:
43 */
diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile
index 3d7da911cc8c..608466ad6b22 100644
--- a/arch/um/sys-x86_64/Makefile
+++ b/arch/um/sys-x86_64/Makefile
@@ -14,11 +14,11 @@ obj-$(CONFIG_MODULES) += module.o um_module.o
14 14
15USER_OBJS := ptrace_user.o sigcontext.o 15USER_OBJS := ptrace_user.o sigcontext.o
16 16
17include arch/um/scripts/Makefile.rules
18
19SYMLINKS = bitops.c csum-copy.S csum-partial.c csum-wrappers.c memcpy.S \ 17SYMLINKS = bitops.c csum-copy.S csum-partial.c csum-wrappers.c memcpy.S \
20 semaphore.c thunk.S module.c 18 semaphore.c thunk.S module.c
21 19
20include arch/um/scripts/Makefile.rules
21
22bitops.c-dir = lib 22bitops.c-dir = lib
23csum-copy.S-dir = lib 23csum-copy.S-dir = lib
24csum-partial.c-dir = lib 24csum-partial.c-dir = lib
@@ -28,6 +28,4 @@ semaphore.c-dir = kernel
28thunk.S-dir = lib 28thunk.S-dir = lib
29module.c-dir = kernel 29module.c-dir = kernel
30 30
31CFLAGS_csum-partial.o := -Dcsum_partial=arch_csum_partial
32
33subdir- := util 31subdir- := util
diff --git a/arch/um/sys-x86_64/delay.c b/arch/um/sys-x86_64/delay.c
index 651332aeec22..137f4446b439 100644
--- a/arch/um/sys-x86_64/delay.c
+++ b/arch/um/sys-x86_64/delay.c
@@ -5,40 +5,37 @@
5 * Licensed under the GPL 5 * Licensed under the GPL
6 */ 6 */
7 7
8#include "linux/delay.h" 8#include <linux/module.h>
9#include "asm/processor.h" 9#include <linux/delay.h>
10#include "asm/param.h" 10#include <asm/processor.h>
11#include <asm/param.h>
11 12
12void __delay(unsigned long loops) 13void __delay(unsigned long loops)
13{ 14{
14 unsigned long i; 15 unsigned long i;
15 16
16 for(i = 0; i < loops; i++) ; 17 for(i = 0; i < loops; i++)
18 cpu_relax();
17} 19}
18 20
19void __udelay(unsigned long usecs) 21void __udelay(unsigned long usecs)
20{ 22{
21 int i, n; 23 unsigned long i, n;
22 24
23 n = (loops_per_jiffy * HZ * usecs) / MILLION; 25 n = (loops_per_jiffy * HZ * usecs) / MILLION;
24 for(i=0;i<n;i++) ; 26 for(i=0;i<n;i++)
27 cpu_relax();
25} 28}
26 29
30EXPORT_SYMBOL(__udelay);
31
27void __const_udelay(unsigned long usecs) 32void __const_udelay(unsigned long usecs)
28{ 33{
29 int i, n; 34 unsigned long i, n;
30 35
31 n = (loops_per_jiffy * HZ * usecs) / MILLION; 36 n = (loops_per_jiffy * HZ * usecs) / MILLION;
32 for(i=0;i<n;i++) ; 37 for(i=0;i<n;i++)
38 cpu_relax();
33} 39}
34 40
35/* 41EXPORT_SYMBOL(__const_udelay);
36 * Overrides for Emacs so that we follow Linus's tabbing style.
37 * Emacs will notice this stuff at the end of the file and automatically
38 * adjust the settings for this buffer only. This must remain at the end
39 * of the file.
40 * ---------------------------------------------------------------------------
41 * Local variables:
42 * c-file-style: "linux"
43 * End:
44 */
diff --git a/arch/um/sys-x86_64/ksyms.c b/arch/um/sys-x86_64/ksyms.c
index a27f0ee6a4f6..859273808203 100644
--- a/arch/um/sys-x86_64/ksyms.c
+++ b/arch/um/sys-x86_64/ksyms.c
@@ -16,5 +16,4 @@ EXPORT_SYMBOL(__up_wakeup);
16EXPORT_SYMBOL(__memcpy); 16EXPORT_SYMBOL(__memcpy);
17 17
18/* Networking helper routines. */ 18/* Networking helper routines. */
19/*EXPORT_SYMBOL(csum_partial_copy_from); 19EXPORT_SYMBOL(ip_compute_csum);
20EXPORT_SYMBOL(csum_partial_copy_to);*/
diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
index b593bb256f2c..74eee5c7c6dd 100644
--- a/arch/um/sys-x86_64/ptrace.c
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -5,10 +5,11 @@
5 */ 5 */
6 6
7#define __FRAME_OFFSETS 7#define __FRAME_OFFSETS
8#include "asm/ptrace.h" 8#include <asm/ptrace.h>
9#include "linux/sched.h" 9#include <linux/sched.h>
10#include "linux/errno.h" 10#include <linux/errno.h>
11#include "asm/elf.h" 11#include <asm/uaccess.h>
12#include <asm/elf.h>
12 13
13/* XXX x86_64 */ 14/* XXX x86_64 */
14unsigned long not_ss; 15unsigned long not_ss;
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index dd9914642b8e..6f44f40204ed 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -15,6 +15,7 @@
15#include "asm/unistd.h" 15#include "asm/unistd.h"
16#include "asm/prctl.h" /* XXX This should get the constants from libc */ 16#include "asm/prctl.h" /* XXX This should get the constants from libc */
17#include "choose-mode.h" 17#include "choose-mode.h"
18#include "kern.h"
18 19
19asmlinkage long sys_uname64(struct new_utsname __user * name) 20asmlinkage long sys_uname64(struct new_utsname __user * name)
20{ 21{
@@ -132,23 +133,27 @@ static long arch_prctl_tt(int code, unsigned long addr)
132 133
133#ifdef CONFIG_MODE_SKAS 134#ifdef CONFIG_MODE_SKAS
134 135
136/* XXX: Must also call arch_prctl in the host, beside saving the segment bases! */
135static long arch_prctl_skas(int code, unsigned long addr) 137static long arch_prctl_skas(int code, unsigned long addr)
136{ 138{
137 long ret = 0; 139 long ret = 0;
138 140
139 switch(code){ 141 switch(code){
140 case ARCH_SET_GS:
141 current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr;
142 break;
143 case ARCH_SET_FS: 142 case ARCH_SET_FS:
144 current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr; 143 current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr;
145 break; 144 break;
145 case ARCH_SET_GS:
146 current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr;
147 break;
146 case ARCH_GET_FS: 148 case ARCH_GET_FS:
147 ret = put_user(current->thread.regs.regs.skas.regs[GS / sizeof(unsigned long)], &addr); 149 ret = put_user(current->thread.regs.regs.skas.
150 regs[FS_BASE / sizeof(unsigned long)],
151 (unsigned long __user *)addr);
148 break; 152 break;
149 case ARCH_GET_GS: 153 case ARCH_GET_GS:
150 ret = put_user(current->thread.regs.regs.skas.regs[FS / sizeof(unsigned \ 154 ret = put_user(current->thread.regs.regs.skas.
151long)], &addr); 155 regs[GS_BASE / sizeof(unsigned long)],
156 (unsigned long __user *)addr);
152 break; 157 break;
153 default: 158 default:
154 ret = -EINVAL; 159 ret = -EINVAL;
diff --git a/arch/um/sys-x86_64/sysrq.c b/arch/um/sys-x86_64/sysrq.c
index ddf74691a610..d0a25af19a5b 100644
--- a/arch/um/sys-x86_64/sysrq.c
+++ b/arch/um/sys-x86_64/sysrq.c
@@ -36,14 +36,5 @@ void __show_regs(struct pt_regs * regs)
36void show_regs(struct pt_regs *regs) 36void show_regs(struct pt_regs *regs)
37{ 37{
38 __show_regs(regs); 38 __show_regs(regs);
39 show_trace((unsigned long *) &regs); 39 show_trace(current, (unsigned long *) &regs);
40} 40}
41
42/* Emacs will notice this stuff at the end of the file and automatically
43 * adjust the settings for this buffer only. This must remain at the end
44 * of the file.
45 * ---------------------------------------------------------------------------
46 * Local variables:
47 * c-file-style: "linux"
48 * End:
49 */
diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c
index 5e14792e4838..513d17ceafd4 100644
--- a/arch/um/sys-x86_64/user-offsets.c
+++ b/arch/um/sys-x86_64/user-offsets.c
@@ -3,6 +3,14 @@
3#include <signal.h> 3#include <signal.h>
4#define __FRAME_OFFSETS 4#define __FRAME_OFFSETS
5#include <asm/ptrace.h> 5#include <asm/ptrace.h>
6#include <asm/types.h>
7/* For some reason, x86_64 defines u64 and u32 only in <pci/types.h>, which I
8 * refuse to include here, even though they're used throughout the headers.
9 * These are used in asm/user.h, and that include can't be avoided because of
10 * the sizeof(struct user_regs_struct) below.
11 */
12typedef __u64 u64;
13typedef __u32 u32;
6#include <asm/user.h> 14#include <asm/user.h>
7 15
8#define DEFINE(sym, val) \ 16#define DEFINE(sym, val) \
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 82cb2a3f127a..289f448ac89c 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -305,6 +305,7 @@ config HPET_TIMER
305 305
306config X86_PM_TIMER 306config X86_PM_TIMER
307 bool "PM timer" 307 bool "PM timer"
308 depends on ACPI
308 default y 309 default y
309 help 310 help
310 Support the ACPI PM timer for time keeping. This is slow, 311 Support the ACPI PM timer for time keeping. This is slow,
@@ -421,7 +422,7 @@ config PCI_DIRECT
421 422
422config PCI_MMCONFIG 423config PCI_MMCONFIG
423 bool "Support mmconfig PCI config space access" 424 bool "Support mmconfig PCI config space access"
424 depends on PCI 425 depends on PCI && ACPI
425 select ACPI_BOOT 426 select ACPI_BOOT
426 427
427config UNORDERED_IO 428config UNORDERED_IO
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index ac7684324954..afd87e64d0a8 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -37,11 +37,14 @@
37#include <asm/desc.h> 37#include <asm/desc.h>
38#include <asm/proto.h> 38#include <asm/proto.h>
39#include <asm/mach_apic.h> 39#include <asm/mach_apic.h>
40#include <asm/acpi.h>
40 41
41#define __apicdebuginit __init 42#define __apicdebuginit __init
42 43
43int sis_apic_bug; /* not actually supported, dummy for compile */ 44int sis_apic_bug; /* not actually supported, dummy for compile */
44 45
46static int no_timer_check;
47
45static DEFINE_SPINLOCK(ioapic_lock); 48static DEFINE_SPINLOCK(ioapic_lock);
46 49
47/* 50/*
@@ -1601,7 +1604,7 @@ static inline void check_timer(void)
1601 * Ok, does IRQ0 through the IOAPIC work? 1604 * Ok, does IRQ0 through the IOAPIC work?
1602 */ 1605 */
1603 unmask_IO_APIC_irq(0); 1606 unmask_IO_APIC_irq(0);
1604 if (timer_irq_works()) { 1607 if (!no_timer_check && timer_irq_works()) {
1605 nmi_watchdog_default(); 1608 nmi_watchdog_default();
1606 if (nmi_watchdog == NMI_IO_APIC) { 1609 if (nmi_watchdog == NMI_IO_APIC) {
1607 disable_8259A_irq(0); 1610 disable_8259A_irq(0);
@@ -1671,6 +1674,13 @@ static inline void check_timer(void)
1671 panic("IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter\n"); 1674 panic("IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter\n");
1672} 1675}
1673 1676
1677static int __init notimercheck(char *s)
1678{
1679 no_timer_check = 1;
1680 return 1;
1681}
1682__setup("no_timer_check", notimercheck);
1683
1674/* 1684/*
1675 * 1685 *
1676 * IRQ's that are handled by the PIC in the MPS IOAPIC case. 1686 * IRQ's that are handled by the PIC in the MPS IOAPIC case.
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index f86d9db94bfc..61a63be6b294 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -30,6 +30,7 @@
30#include <asm/pgalloc.h> 30#include <asm/pgalloc.h>
31#include <asm/io_apic.h> 31#include <asm/io_apic.h>
32#include <asm/proto.h> 32#include <asm/proto.h>
33#include <asm/acpi.h>
33 34
34/* Have we found an MP table */ 35/* Have we found an MP table */
35int smp_found_config; 36int smp_found_config;
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 60dc9b98951d..525f6a128a27 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -380,7 +380,7 @@ asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, long data
380 break; 380 break;
381 381
382 switch (addr) { 382 switch (addr) {
383 case 0 ... sizeof(struct user_regs_struct): 383 case 0 ... sizeof(struct user_regs_struct) - sizeof(long):
384 tmp = getreg(child, addr); 384 tmp = getreg(child, addr);
385 break; 385 break;
386 case offsetof(struct user, u_debugreg[0]): 386 case offsetof(struct user, u_debugreg[0]):
@@ -425,7 +425,7 @@ asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, long data
425 break; 425 break;
426 426
427 switch (addr) { 427 switch (addr) {
428 case 0 ... sizeof(struct user_regs_struct): 428 case 0 ... sizeof(struct user_regs_struct) - sizeof(long):
429 ret = putreg(child, addr, data); 429 ret = putreg(child, addr, data);
430 break; 430 break;
431 /* Disallows to set a breakpoint into the vsyscall */ 431 /* Disallows to set a breakpoint into the vsyscall */
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index b9fd0252c279..99f038ede23c 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -719,7 +719,6 @@ static void __init display_cacheinfo(struct cpuinfo_x86 *c)
719 } 719 }
720} 720}
721 721
722#ifdef CONFIG_SMP
723/* 722/*
724 * On a AMD dual core setup the lower bits of the APIC id distingush the cores. 723 * On a AMD dual core setup the lower bits of the APIC id distingush the cores.
725 * Assumes number of cores is a power of two. 724 * Assumes number of cores is a power of two.
@@ -729,16 +728,24 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
729#ifdef CONFIG_SMP 728#ifdef CONFIG_SMP
730 int cpu = smp_processor_id(); 729 int cpu = smp_processor_id();
731 int node = 0; 730 int node = 0;
731 unsigned bits;
732 if (c->x86_num_cores == 1) 732 if (c->x86_num_cores == 1)
733 return; 733 return;
734 /* Fix up the APIC ID following the AMD specification. */ 734
735 cpu_core_id[cpu] >>= hweight32(c->x86_num_cores - 1); 735 bits = 0;
736 while ((1 << bits) < c->x86_num_cores)
737 bits++;
738
739 /* Low order bits define the core id (index of core in socket) */
740 cpu_core_id[cpu] = phys_proc_id[cpu] & ((1 << bits)-1);
741 /* Convert the APIC ID into the socket ID */
742 phys_proc_id[cpu] >>= bits;
736 743
737#ifdef CONFIG_NUMA 744#ifdef CONFIG_NUMA
738 /* When an ACPI SRAT table is available use the mappings from SRAT 745 /* When an ACPI SRAT table is available use the mappings from SRAT
739 instead. */ 746 instead. */
740 if (acpi_numa <= 0) { 747 if (acpi_numa <= 0) {
741 node = cpu_core_id[cpu]; 748 node = phys_proc_id[cpu];
742 if (!node_online(node)) 749 if (!node_online(node))
743 node = first_node(node_online_map); 750 node = first_node(node_online_map);
744 cpu_to_node[cpu] = node; 751 cpu_to_node[cpu] = node;
@@ -746,18 +753,11 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
746 node = cpu_to_node[cpu]; 753 node = cpu_to_node[cpu];
747 } 754 }
748#endif 755#endif
749 /* For now: - better than BAD_APIC_ID at least*/
750 phys_proc_id[cpu] = cpu_core_id[cpu];
751 756
752 printk(KERN_INFO "CPU %d(%d) -> Node %d -> Core %d\n", 757 printk(KERN_INFO "CPU %d(%d) -> Node %d -> Core %d\n",
753 cpu, c->x86_num_cores, node, cpu_core_id[cpu]); 758 cpu, c->x86_num_cores, node, cpu_core_id[cpu]);
754#endif 759#endif
755} 760}
756#else
757static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
758{
759}
760#endif
761 761
762static int __init init_amd(struct cpuinfo_x86 *c) 762static int __init init_amd(struct cpuinfo_x86 *c)
763{ 763{
@@ -963,8 +963,7 @@ void __init early_identify_cpu(struct cpuinfo_x86 *c)
963 } 963 }
964 964
965#ifdef CONFIG_SMP 965#ifdef CONFIG_SMP
966 phys_proc_id[smp_processor_id()] = 966 phys_proc_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
967 cpu_core_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
968#endif 967#endif
969} 968}
970 969
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index d439ced150c6..429c0269dc4e 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -28,6 +28,7 @@
28#include <asm/uaccess.h> 28#include <asm/uaccess.h>
29#include <asm/i387.h> 29#include <asm/i387.h>
30#include <asm/proto.h> 30#include <asm/proto.h>
31#include <asm/ia32_unistd.h>
31 32
32/* #define DEBUG_SIG 1 */ 33/* #define DEBUG_SIG 1 */
33 34
@@ -452,7 +453,9 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
452 regs->rip -= 2; 453 regs->rip -= 2;
453 } 454 }
454 if (regs->rax == (unsigned long)-ERESTART_RESTARTBLOCK) { 455 if (regs->rax == (unsigned long)-ERESTART_RESTARTBLOCK) {
455 regs->rax = __NR_restart_syscall; 456 regs->rax = test_thread_flag(TIF_IA32) ?
457 __NR_ia32_restart_syscall :
458 __NR_restart_syscall;
456 regs->rip -= 2; 459 regs->rip -= 2;
457 } 460 }
458 } 461 }
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 5abdee1e16a5..f1ec0f345941 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -94,6 +94,7 @@ int smp_threads_ready;
94 94
95cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned; 95cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned;
96cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; 96cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
97EXPORT_SYMBOL(cpu_core_map);
97 98
98/* 99/*
99 * Trampoline 80x86 program as an array. 100 * Trampoline 80x86 program as an array.
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 735b6767c8ed..fb8c809b4cd9 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -27,7 +27,9 @@
27#include <linux/bcd.h> 27#include <linux/bcd.h>
28#include <linux/kallsyms.h> 28#include <linux/kallsyms.h>
29#include <linux/acpi.h> 29#include <linux/acpi.h>
30#ifdef CONFIG_ACPI
30#include <acpi/achware.h> /* for PM timer frequency */ 31#include <acpi/achware.h> /* for PM timer frequency */
32#endif
31#include <asm/8253pit.h> 33#include <asm/8253pit.h>
32#include <asm/pgtable.h> 34#include <asm/pgtable.h>
33#include <asm/vsyscall.h> 35#include <asm/vsyscall.h>
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 65a37f52c56e..3dfec8fdabcd 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -332,10 +332,12 @@ void handle_BUG(struct pt_regs *regs)
332 printk(KERN_ALERT "Kernel BUG at %.50s:%d\n", f.filename, f.line); 332 printk(KERN_ALERT "Kernel BUG at %.50s:%d\n", f.filename, f.line);
333} 333}
334 334
335#ifdef CONFIG_BUG
335void out_of_line_bug(void) 336void out_of_line_bug(void)
336{ 337{
337 BUG(); 338 BUG();
338} 339}
340#endif
339 341
340static DEFINE_SPINLOCK(die_lock); 342static DEFINE_SPINLOCK(die_lock);
341static int die_owner = -1; 343static int die_owner = -1;
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index a43dedb58fa2..68ec03070e5a 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -193,8 +193,9 @@ EXPORT_SYMBOL(smp_num_siblings);
193extern void do_softirq_thunk(void); 193extern void do_softirq_thunk(void);
194EXPORT_SYMBOL(do_softirq_thunk); 194EXPORT_SYMBOL(do_softirq_thunk);
195 195
196void out_of_line_bug(void); 196#ifdef CONFIG_BUG
197EXPORT_SYMBOL(out_of_line_bug); 197EXPORT_SYMBOL(out_of_line_bug);
198#endif
198 199
199EXPORT_SYMBOL(init_level4_pgt); 200EXPORT_SYMBOL(init_level4_pgt);
200 201
diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c
index c6fb0cb69992..58aac23760ef 100644
--- a/arch/x86_64/mm/ioremap.c
+++ b/arch/x86_64/mm/ioremap.c
@@ -133,7 +133,7 @@ ioremap_change_attr(unsigned long phys_addr, unsigned long size,
133 unsigned long flags) 133 unsigned long flags)
134{ 134{
135 int err = 0; 135 int err = 0;
136 if (flags && phys_addr + size - 1 < (end_pfn_map << PAGE_SHIFT)) { 136 if (phys_addr + size - 1 < (end_pfn_map << PAGE_SHIFT)) {
137 unsigned long npages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; 137 unsigned long npages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
138 unsigned long vaddr = (unsigned long) __va(phys_addr); 138 unsigned long vaddr = (unsigned long) __va(phys_addr);
139 139
@@ -214,7 +214,7 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
214 remove_vm_area((void *)(PAGE_MASK & (unsigned long) addr)); 214 remove_vm_area((void *)(PAGE_MASK & (unsigned long) addr));
215 return NULL; 215 return NULL;
216 } 216 }
217 if (ioremap_change_attr(phys_addr, size, flags) < 0) { 217 if (flags && ioremap_change_attr(phys_addr, size, flags) < 0) {
218 area->flags &= 0xffffff; 218 area->flags &= 0xffffff;
219 vunmap(addr); 219 vunmap(addr);
220 return NULL; 220 return NULL;
@@ -251,7 +251,7 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size)
251 251
252void iounmap(volatile void __iomem *addr) 252void iounmap(volatile void __iomem *addr)
253{ 253{
254 struct vm_struct *p, **pprev; 254 struct vm_struct *p;
255 255
256 if (addr <= high_memory) 256 if (addr <= high_memory)
257 return; 257 return;
@@ -260,24 +260,11 @@ void iounmap(volatile void __iomem *addr)
260 return; 260 return;
261 261
262 write_lock(&vmlist_lock); 262 write_lock(&vmlist_lock);
263 for (p = vmlist, pprev = &vmlist; p != NULL; pprev = &p->next, p = *pprev) 263 p = __remove_vm_area((void *)((unsigned long)addr & PAGE_MASK));
264 if (p->addr == (void *)(PAGE_MASK & (unsigned long)addr)) 264 if (!p)
265 break; 265 printk("iounmap: bad address %p\n", addr);
266 if (!p) { 266 else if (p->flags >> 20)
267 printk("__iounmap: bad address %p\n", addr); 267 ioremap_change_attr(p->phys_addr, p->size, 0);
268 goto out_unlock;
269 }
270 *pprev = p->next;
271 unmap_vm_area(p);
272 if ((p->flags >> 20) &&
273 p->phys_addr + p->size - 1 < virt_to_phys(high_memory)) {
274 /* p->size includes the guard page, but cpa doesn't like that */
275 change_page_attr_addr((unsigned long)__va(p->phys_addr),
276 p->size >> PAGE_SHIFT,
277 PAGE_KERNEL);
278 global_flush_tlb();
279 }
280out_unlock:
281 write_unlock(&vmlist_lock); 268 write_unlock(&vmlist_lock);
282 kfree(p); 269 kfree(p);
283} 270}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-05 02:17:01 -0400