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-rw-r--r--arch/x86/kernel/mpparse_32.c420
1 files changed, 214 insertions, 206 deletions
diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index 052043ed649..f1c896ab827 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -41,10 +41,10 @@ int smp_found_config;
41 * MP-table. 41 * MP-table.
42 */ 42 */
43#if defined (CONFIG_MCA) || defined (CONFIG_EISA) 43#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
44int mp_bus_id_to_type [MAX_MP_BUSSES]; 44int mp_bus_id_to_type[MAX_MP_BUSSES];
45#endif 45#endif
46DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); 46DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
47int mp_bus_id_to_pci_bus [MAX_MP_BUSSES] = { [0 ... MAX_MP_BUSSES-1] = -1 }; 47int mp_bus_id_to_pci_bus[MAX_MP_BUSSES] = {[0 ... MAX_MP_BUSSES - 1] = -1 };
48static int mp_current_pci_id; 48static int mp_current_pci_id;
49 49
50int pic_mode; 50int pic_mode;
@@ -53,7 +53,6 @@ int pic_mode;
53 * Intel MP BIOS table parsing routines: 53 * Intel MP BIOS table parsing routines:
54 */ 54 */
55 55
56
57/* 56/*
58 * Checksum an MP configuration block. 57 * Checksum an MP configuration block.
59 */ 58 */
@@ -75,8 +74,9 @@ static int __init mpf_checksum(unsigned char *mp, int len)
75 * doing this .... 74 * doing this ....
76 */ 75 */
77 76
78static int mpc_record; 77static int mpc_record;
79static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __cpuinitdata; 78static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY]
79 __cpuinitdata;
80#endif 80#endif
81 81
82static void __cpuinit MP_processor_info(struct mpc_config_processor *m) 82static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
@@ -87,66 +87,63 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
87 disabled_cpus++; 87 disabled_cpus++;
88 return; 88 return;
89 } 89 }
90
91#ifdef CONFIG_X86_NUMAQ 90#ifdef CONFIG_X86_NUMAQ
92 apicid = mpc_apic_id(m, translation_table[mpc_record]); 91 apicid = mpc_apic_id(m, translation_table[mpc_record]);
93#else 92#else
94 Dprintk("Processor #%d %u:%u APIC version %d\n", 93 Dprintk("Processor #%d %u:%u APIC version %d\n",
95 m->mpc_apicid, 94 m->mpc_apicid,
96 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, 95 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
97 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, 96 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, m->mpc_apicver);
98 m->mpc_apicver);
99 apicid = m->mpc_apicid; 97 apicid = m->mpc_apicid;
100#endif 98#endif
101 99
102 if (m->mpc_featureflag&(1<<0)) 100 if (m->mpc_featureflag & (1 << 0))
103 Dprintk(" Floating point unit present.\n"); 101 Dprintk(" Floating point unit present.\n");
104 if (m->mpc_featureflag&(1<<7)) 102 if (m->mpc_featureflag & (1 << 7))
105 Dprintk(" Machine Exception supported.\n"); 103 Dprintk(" Machine Exception supported.\n");
106 if (m->mpc_featureflag&(1<<8)) 104 if (m->mpc_featureflag & (1 << 8))
107 Dprintk(" 64 bit compare & exchange supported.\n"); 105 Dprintk(" 64 bit compare & exchange supported.\n");
108 if (m->mpc_featureflag&(1<<9)) 106 if (m->mpc_featureflag & (1 << 9))
109 Dprintk(" Internal APIC present.\n"); 107 Dprintk(" Internal APIC present.\n");
110 if (m->mpc_featureflag&(1<<11)) 108 if (m->mpc_featureflag & (1 << 11))
111 Dprintk(" SEP present.\n"); 109 Dprintk(" SEP present.\n");
112 if (m->mpc_featureflag&(1<<12)) 110 if (m->mpc_featureflag & (1 << 12))
113 Dprintk(" MTRR present.\n"); 111 Dprintk(" MTRR present.\n");
114 if (m->mpc_featureflag&(1<<13)) 112 if (m->mpc_featureflag & (1 << 13))
115 Dprintk(" PGE present.\n"); 113 Dprintk(" PGE present.\n");
116 if (m->mpc_featureflag&(1<<14)) 114 if (m->mpc_featureflag & (1 << 14))
117 Dprintk(" MCA present.\n"); 115 Dprintk(" MCA present.\n");
118 if (m->mpc_featureflag&(1<<15)) 116 if (m->mpc_featureflag & (1 << 15))
119 Dprintk(" CMOV present.\n"); 117 Dprintk(" CMOV present.\n");
120 if (m->mpc_featureflag&(1<<16)) 118 if (m->mpc_featureflag & (1 << 16))
121 Dprintk(" PAT present.\n"); 119 Dprintk(" PAT present.\n");
122 if (m->mpc_featureflag&(1<<17)) 120 if (m->mpc_featureflag & (1 << 17))
123 Dprintk(" PSE present.\n"); 121 Dprintk(" PSE present.\n");
124 if (m->mpc_featureflag&(1<<18)) 122 if (m->mpc_featureflag & (1 << 18))
125 Dprintk(" PSN present.\n"); 123 Dprintk(" PSN present.\n");
126 if (m->mpc_featureflag&(1<<19)) 124 if (m->mpc_featureflag & (1 << 19))
127 Dprintk(" Cache Line Flush Instruction present.\n"); 125 Dprintk(" Cache Line Flush Instruction present.\n");
128 /* 20 Reserved */ 126 /* 20 Reserved */
129 if (m->mpc_featureflag&(1<<21)) 127 if (m->mpc_featureflag & (1 << 21))
130 Dprintk(" Debug Trace and EMON Store present.\n"); 128 Dprintk(" Debug Trace and EMON Store present.\n");
131 if (m->mpc_featureflag&(1<<22)) 129 if (m->mpc_featureflag & (1 << 22))
132 Dprintk(" ACPI Thermal Throttle Registers present.\n"); 130 Dprintk(" ACPI Thermal Throttle Registers present.\n");
133 if (m->mpc_featureflag&(1<<23)) 131 if (m->mpc_featureflag & (1 << 23))
134 Dprintk(" MMX present.\n"); 132 Dprintk(" MMX present.\n");
135 if (m->mpc_featureflag&(1<<24)) 133 if (m->mpc_featureflag & (1 << 24))
136 Dprintk(" FXSR present.\n"); 134 Dprintk(" FXSR present.\n");
137 if (m->mpc_featureflag&(1<<25)) 135 if (m->mpc_featureflag & (1 << 25))
138 Dprintk(" XMM present.\n"); 136 Dprintk(" XMM present.\n");
139 if (m->mpc_featureflag&(1<<26)) 137 if (m->mpc_featureflag & (1 << 26))
140 Dprintk(" Willamette New Instructions present.\n"); 138 Dprintk(" Willamette New Instructions present.\n");
141 if (m->mpc_featureflag&(1<<27)) 139 if (m->mpc_featureflag & (1 << 27))
142 Dprintk(" Self Snoop present.\n"); 140 Dprintk(" Self Snoop present.\n");
143 if (m->mpc_featureflag&(1<<28)) 141 if (m->mpc_featureflag & (1 << 28))
144 Dprintk(" HT present.\n"); 142 Dprintk(" HT present.\n");
145 if (m->mpc_featureflag&(1<<29)) 143 if (m->mpc_featureflag & (1 << 29))
146 Dprintk(" Thermal Monitor present.\n"); 144 Dprintk(" Thermal Monitor present.\n");
147 /* 30, 31 Reserved */ 145 /* 30, 31 Reserved */
148 146
149
150 if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) { 147 if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) {
151 Dprintk(" Bootup CPU\n"); 148 Dprintk(" Bootup CPU\n");
152 boot_cpu_physical_apicid = m->mpc_apicid; 149 boot_cpu_physical_apicid = m->mpc_apicid;
@@ -155,7 +152,7 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
155 generic_processor_info(apicid, m->mpc_apicver); 152 generic_processor_info(apicid, m->mpc_apicver);
156} 153}
157 154
158static void __init MP_bus_info (struct mpc_config_bus *m) 155static void __init MP_bus_info(struct mpc_config_bus *m)
159{ 156{
160 char str[7]; 157 char str[7];
161 158
@@ -171,14 +168,14 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
171#if MAX_MP_BUSSES < 256 168#if MAX_MP_BUSSES < 256
172 if (m->mpc_busid >= MAX_MP_BUSSES) { 169 if (m->mpc_busid >= MAX_MP_BUSSES) {
173 printk(KERN_WARNING "MP table busid value (%d) for bustype %s " 170 printk(KERN_WARNING "MP table busid value (%d) for bustype %s "
174 " is too large, max. supported is %d\n", 171 " is too large, max. supported is %d\n",
175 m->mpc_busid, str, MAX_MP_BUSSES - 1); 172 m->mpc_busid, str, MAX_MP_BUSSES - 1);
176 return; 173 return;
177 } 174 }
178#endif 175#endif
179 176
180 set_bit(m->mpc_busid, mp_bus_not_pci); 177 set_bit(m->mpc_busid, mp_bus_not_pci);
181 if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI)-1) == 0) { 178 if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
182#ifdef CONFIG_X86_NUMAQ 179#ifdef CONFIG_X86_NUMAQ
183 mpc_oem_pci_bus(m, translation_table[mpc_record]); 180 mpc_oem_pci_bus(m, translation_table[mpc_record]);
184#endif 181#endif
@@ -187,11 +184,11 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
187 mp_current_pci_id++; 184 mp_current_pci_id++;
188#if defined(CONFIG_EISA) || defined (CONFIG_MCA) 185#if defined(CONFIG_EISA) || defined (CONFIG_MCA)
189 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI; 186 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI;
190 } else if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) { 187 } else if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA) - 1) == 0) {
191 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA; 188 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
192 } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) { 189 } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA) - 1) == 0) {
193 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA; 190 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA;
194 } else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA)-1) == 0) { 191 } else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA) - 1) == 0) {
195 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA; 192 mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA;
196 } else { 193 } else {
197 printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str); 194 printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
@@ -216,13 +213,13 @@ static int bad_ioapic(unsigned long address)
216 return 0; 213 return 0;
217} 214}
218 215
219static void __init MP_ioapic_info (struct mpc_config_ioapic *m) 216static void __init MP_ioapic_info(struct mpc_config_ioapic *m)
220{ 217{
221 if (!(m->mpc_flags & MPC_APIC_USABLE)) 218 if (!(m->mpc_flags & MPC_APIC_USABLE))
222 return; 219 return;
223 220
224 printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n", 221 printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
225 m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr); 222 m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr);
226 223
227 if (bad_ioapic(m->mpc_apicaddr)) 224 if (bad_ioapic(m->mpc_apicaddr))
228 return; 225 return;
@@ -231,38 +228,41 @@ static void __init MP_ioapic_info (struct mpc_config_ioapic *m)
231 nr_ioapics++; 228 nr_ioapics++;
232} 229}
233 230
234static void __init MP_intsrc_info (struct mpc_config_intsrc *m) 231static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
235{ 232{
236 mp_irqs [mp_irq_entries] = *m; 233 mp_irqs[mp_irq_entries] = *m;
237 Dprintk("Int: type %d, pol %d, trig %d, bus %d," 234 Dprintk("Int: type %d, pol %d, trig %d, bus %d,"
238 " IRQ %02x, APIC ID %x, APIC INT %02x\n", 235 " IRQ %02x, APIC ID %x, APIC INT %02x\n",
239 m->mpc_irqtype, m->mpc_irqflag & 3, 236 m->mpc_irqtype, m->mpc_irqflag & 3,
240 (m->mpc_irqflag >> 2) & 3, m->mpc_srcbus, 237 (m->mpc_irqflag >> 2) & 3, m->mpc_srcbus,
241 m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq); 238 m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq);
242 if (++mp_irq_entries == MAX_IRQ_SOURCES) 239 if (++mp_irq_entries == MAX_IRQ_SOURCES)
243 panic("Max # of irq sources exceeded!!\n"); 240 panic("Max # of irq sources exceeded!!\n");
244} 241}
245 242
246#endif 243#endif
247 244
248static void __init MP_lintsrc_info (struct mpc_config_lintsrc *m) 245static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m)
249{ 246{
250 Dprintk("Lint: type %d, pol %d, trig %d, bus %d," 247 Dprintk("Lint: type %d, pol %d, trig %d, bus %d,"
251 " IRQ %02x, APIC ID %x, APIC LINT %02x\n", 248 " IRQ %02x, APIC ID %x, APIC LINT %02x\n",
252 m->mpc_irqtype, m->mpc_irqflag & 3, 249 m->mpc_irqtype, m->mpc_irqflag & 3,
253 (m->mpc_irqflag >> 2) &3, m->mpc_srcbusid, 250 (m->mpc_irqflag >> 2) & 3, m->mpc_srcbusid,
254 m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint); 251 m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint);
255} 252}
256 253
257#ifdef CONFIG_X86_NUMAQ 254#ifdef CONFIG_X86_NUMAQ
258static void __init MP_translation_info (struct mpc_config_translation *m) 255static void __init MP_translation_info(struct mpc_config_translation *m)
259{ 256{
260 printk(KERN_INFO "Translation: record %d, type %d, quad %d, global %d, local %d\n", mpc_record, m->trans_type, m->trans_quad, m->trans_global, m->trans_local); 257 printk(KERN_INFO
258 "Translation: record %d, type %d, quad %d, global %d, local %d\n",
259 mpc_record, m->trans_type, m->trans_quad, m->trans_global,
260 m->trans_local);
261 261
262 if (mpc_record >= MAX_MPC_ENTRY) 262 if (mpc_record >= MAX_MPC_ENTRY)
263 printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n"); 263 printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n");
264 else 264 else
265 translation_table[mpc_record] = m; /* stash this for later */ 265 translation_table[mpc_record] = m; /* stash this for later */
266 if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad)) 266 if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad))
267 node_set_online(m->trans_quad); 267 node_set_online(m->trans_quad);
268} 268}
@@ -271,59 +271,59 @@ static void __init MP_translation_info (struct mpc_config_translation *m)
271 * Read/parse the MPC oem tables 271 * Read/parse the MPC oem tables
272 */ 272 */
273 273
274static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable, \ 274static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable,
275 unsigned short oemsize) 275 unsigned short oemsize)
276{ 276{
277 int count = sizeof (*oemtable); /* the header size */ 277 int count = sizeof(*oemtable); /* the header size */
278 unsigned char *oemptr = ((unsigned char *)oemtable)+count; 278 unsigned char *oemptr = ((unsigned char *)oemtable) + count;
279 279
280 mpc_record = 0; 280 mpc_record = 0;
281 printk(KERN_INFO "Found an OEM MPC table at %8p - parsing it ... \n", oemtable); 281 printk(KERN_INFO "Found an OEM MPC table at %8p - parsing it ... \n",
282 if (memcmp(oemtable->oem_signature,MPC_OEM_SIGNATURE,4)) 282 oemtable);
283 { 283 if (memcmp(oemtable->oem_signature, MPC_OEM_SIGNATURE, 4)) {
284 printk(KERN_WARNING "SMP mpc oemtable: bad signature [%c%c%c%c]!\n", 284 printk(KERN_WARNING
285 oemtable->oem_signature[0], 285 "SMP mpc oemtable: bad signature [%c%c%c%c]!\n",
286 oemtable->oem_signature[1], 286 oemtable->oem_signature[0], oemtable->oem_signature[1],
287 oemtable->oem_signature[2], 287 oemtable->oem_signature[2], oemtable->oem_signature[3]);
288 oemtable->oem_signature[3]);
289 return; 288 return;
290 } 289 }
291 if (mpf_checksum((unsigned char *)oemtable,oemtable->oem_length)) 290 if (mpf_checksum((unsigned char *)oemtable, oemtable->oem_length)) {
292 {
293 printk(KERN_WARNING "SMP oem mptable: checksum error!\n"); 291 printk(KERN_WARNING "SMP oem mptable: checksum error!\n");
294 return; 292 return;
295 } 293 }
296 while (count < oemtable->oem_length) { 294 while (count < oemtable->oem_length) {
297 switch (*oemptr) { 295 switch (*oemptr) {
298 case MP_TRANSLATION: 296 case MP_TRANSLATION:
299 { 297 {
300 struct mpc_config_translation *m= 298 struct mpc_config_translation *m =
301 (struct mpc_config_translation *)oemptr; 299 (struct mpc_config_translation *)oemptr;
302 MP_translation_info(m); 300 MP_translation_info(m);
303 oemptr += sizeof(*m); 301 oemptr += sizeof(*m);
304 count += sizeof(*m); 302 count += sizeof(*m);
305 ++mpc_record; 303 ++mpc_record;
306 break; 304 break;
307 } 305 }
308 default: 306 default:
309 { 307 {
310 printk(KERN_WARNING "Unrecognised OEM table entry type! - %d\n", (int) *oemptr); 308 printk(KERN_WARNING
309 "Unrecognised OEM table entry type! - %d\n",
310 (int)*oemptr);
311 return; 311 return;
312 } 312 }
313 } 313 }
314 } 314 }
315} 315}
316 316
317static inline void mps_oem_check(struct mp_config_table *mpc, char *oem, 317static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
318 char *productid) 318 char *productid)
319{ 319{
320 if (strncmp(oem, "IBM NUMA", 8)) 320 if (strncmp(oem, "IBM NUMA", 8))
321 printk("Warning! May not be a NUMA-Q system!\n"); 321 printk("Warning! May not be a NUMA-Q system!\n");
322 if (mpc->mpc_oemptr) 322 if (mpc->mpc_oemptr)
323 smp_read_mpc_oem((struct mp_config_oemtable *) mpc->mpc_oemptr, 323 smp_read_mpc_oem((struct mp_config_oemtable *)mpc->mpc_oemptr,
324 mpc->mpc_oemsize); 324 mpc->mpc_oemsize);
325} 325}
326#endif /* CONFIG_X86_NUMAQ */ 326#endif /* CONFIG_X86_NUMAQ */
327 327
328/* 328/*
329 * Read/parse the MPC 329 * Read/parse the MPC
@@ -333,34 +333,34 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
333{ 333{
334 char str[16]; 334 char str[16];
335 char oem[10]; 335 char oem[10];
336 int count=sizeof(*mpc); 336 int count = sizeof(*mpc);
337 unsigned char *mpt=((unsigned char *)mpc)+count; 337 unsigned char *mpt = ((unsigned char *)mpc) + count;
338 338
339 if (memcmp(mpc->mpc_signature,MPC_SIGNATURE,4)) { 339 if (memcmp(mpc->mpc_signature, MPC_SIGNATURE, 4)) {
340 printk(KERN_ERR "SMP mptable: bad signature [0x%x]!\n", 340 printk(KERN_ERR "SMP mptable: bad signature [0x%x]!\n",
341 *(u32 *)mpc->mpc_signature); 341 *(u32 *) mpc->mpc_signature);
342 return 0; 342 return 0;
343 } 343 }
344 if (mpf_checksum((unsigned char *)mpc,mpc->mpc_length)) { 344 if (mpf_checksum((unsigned char *)mpc, mpc->mpc_length)) {
345 printk(KERN_ERR "SMP mptable: checksum error!\n"); 345 printk(KERN_ERR "SMP mptable: checksum error!\n");
346 return 0; 346 return 0;
347 } 347 }
348 if (mpc->mpc_spec!=0x01 && mpc->mpc_spec!=0x04) { 348 if (mpc->mpc_spec != 0x01 && mpc->mpc_spec != 0x04) {
349 printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n", 349 printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n",
350 mpc->mpc_spec); 350 mpc->mpc_spec);
351 return 0; 351 return 0;
352 } 352 }
353 if (!mpc->mpc_lapic) { 353 if (!mpc->mpc_lapic) {
354 printk(KERN_ERR "SMP mptable: null local APIC address!\n"); 354 printk(KERN_ERR "SMP mptable: null local APIC address!\n");
355 return 0; 355 return 0;
356 } 356 }
357 memcpy(oem,mpc->mpc_oem,8); 357 memcpy(oem, mpc->mpc_oem, 8);
358 oem[8]=0; 358 oem[8] = 0;
359 printk(KERN_INFO "OEM ID: %s ",oem); 359 printk(KERN_INFO "OEM ID: %s ", oem);
360 360
361 memcpy(str,mpc->mpc_productid,12); 361 memcpy(str, mpc->mpc_productid, 12);
362 str[12]=0; 362 str[12] = 0;
363 printk("Product ID: %s ",str); 363 printk("Product ID: %s ", str);
364 364
365 mps_oem_check(mpc, oem, str); 365 mps_oem_check(mpc, oem, str);
366 366
@@ -374,17 +374,17 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
374 mp_lapic_addr = mpc->mpc_lapic; 374 mp_lapic_addr = mpc->mpc_lapic;
375 375
376 /* 376 /*
377 * Now process the configuration blocks. 377 * Now process the configuration blocks.
378 */ 378 */
379#ifdef CONFIG_X86_NUMAQ 379#ifdef CONFIG_X86_NUMAQ
380 mpc_record = 0; 380 mpc_record = 0;
381#endif 381#endif
382 while (count < mpc->mpc_length) { 382 while (count < mpc->mpc_length) {
383 switch(*mpt) { 383 switch (*mpt) {
384 case MP_PROCESSOR: 384 case MP_PROCESSOR:
385 { 385 {
386 struct mpc_config_processor *m= 386 struct mpc_config_processor *m =
387 (struct mpc_config_processor *)mpt; 387 (struct mpc_config_processor *)mpt;
388 /* ACPI may have already provided this data */ 388 /* ACPI may have already provided this data */
389 if (!acpi_lapic) 389 if (!acpi_lapic)
390 MP_processor_info(m); 390 MP_processor_info(m);
@@ -392,48 +392,48 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
392 count += sizeof(*m); 392 count += sizeof(*m);
393 break; 393 break;
394 } 394 }
395 case MP_BUS: 395 case MP_BUS:
396 { 396 {
397 struct mpc_config_bus *m= 397 struct mpc_config_bus *m =
398 (struct mpc_config_bus *)mpt; 398 (struct mpc_config_bus *)mpt;
399 MP_bus_info(m); 399 MP_bus_info(m);
400 mpt += sizeof(*m); 400 mpt += sizeof(*m);
401 count += sizeof(*m); 401 count += sizeof(*m);
402 break; 402 break;
403 } 403 }
404 case MP_IOAPIC: 404 case MP_IOAPIC:
405 { 405 {
406#ifdef CONFIG_X86_IO_APIC 406#ifdef CONFIG_X86_IO_APIC
407 struct mpc_config_ioapic *m= 407 struct mpc_config_ioapic *m =
408 (struct mpc_config_ioapic *)mpt; 408 (struct mpc_config_ioapic *)mpt;
409 MP_ioapic_info(m); 409 MP_ioapic_info(m);
410#endif 410#endif
411 mpt+=sizeof(struct mpc_config_ioapic); 411 mpt += sizeof(struct mpc_config_ioapic);
412 count+=sizeof(struct mpc_config_ioapic); 412 count += sizeof(struct mpc_config_ioapic);
413 break; 413 break;
414 } 414 }
415 case MP_INTSRC: 415 case MP_INTSRC:
416 { 416 {
417#ifdef CONFIG_X86_IO_APIC 417#ifdef CONFIG_X86_IO_APIC
418 struct mpc_config_intsrc *m= 418 struct mpc_config_intsrc *m =
419 (struct mpc_config_intsrc *)mpt; 419 (struct mpc_config_intsrc *)mpt;
420 420
421 MP_intsrc_info(m); 421 MP_intsrc_info(m);
422#endif 422#endif
423 mpt+=sizeof(struct mpc_config_intsrc); 423 mpt += sizeof(struct mpc_config_intsrc);
424 count+=sizeof(struct mpc_config_intsrc); 424 count += sizeof(struct mpc_config_intsrc);
425 break; 425 break;
426 } 426 }
427 case MP_LINTSRC: 427 case MP_LINTSRC:
428 { 428 {
429 struct mpc_config_lintsrc *m= 429 struct mpc_config_lintsrc *m =
430 (struct mpc_config_lintsrc *)mpt; 430 (struct mpc_config_lintsrc *)mpt;
431 MP_lintsrc_info(m); 431 MP_lintsrc_info(m);
432 mpt+=sizeof(*m); 432 mpt += sizeof(*m);
433 count+=sizeof(*m); 433 count += sizeof(*m);
434 break; 434 break;
435 } 435 }
436 default: 436 default:
437 { 437 {
438 count = mpc->mpc_length; 438 count = mpc->mpc_length;
439 break; 439 break;
@@ -466,7 +466,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
466 int ELCR_fallback = 0; 466 int ELCR_fallback = 0;
467 467
468 intsrc.mpc_type = MP_INTSRC; 468 intsrc.mpc_type = MP_INTSRC;
469 intsrc.mpc_irqflag = 0; /* conforming */ 469 intsrc.mpc_irqflag = 0; /* conforming */
470 intsrc.mpc_srcbus = 0; 470 intsrc.mpc_srcbus = 0;
471 intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid; 471 intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid;
472 472
@@ -481,12 +481,16 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
481 * If it does, we assume it's valid. 481 * If it does, we assume it's valid.
482 */ 482 */
483 if (mpc_default_type == 5) { 483 if (mpc_default_type == 5) {
484 printk(KERN_INFO "ISA/PCI bus type with no IRQ information... falling back to ELCR\n"); 484 printk(KERN_INFO
485 "ISA/PCI bus type with no IRQ information... falling back to ELCR\n");
485 486
486 if (ELCR_trigger(0) || ELCR_trigger(1) || ELCR_trigger(2) || ELCR_trigger(13)) 487 if (ELCR_trigger(0) || ELCR_trigger(1) || ELCR_trigger(2)
487 printk(KERN_WARNING "ELCR contains invalid data... not using ELCR\n"); 488 || ELCR_trigger(13))
489 printk(KERN_WARNING
490 "ELCR contains invalid data... not using ELCR\n");
488 else { 491 else {
489 printk(KERN_INFO "Using ELCR to identify PCI interrupts\n"); 492 printk(KERN_INFO
493 "Using ELCR to identify PCI interrupts\n");
490 ELCR_fallback = 1; 494 ELCR_fallback = 1;
491 } 495 }
492 } 496 }
@@ -515,13 +519,13 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
515 } 519 }
516 520
517 intsrc.mpc_srcbusirq = i; 521 intsrc.mpc_srcbusirq = i;
518 intsrc.mpc_dstirq = i ? i : 2; /* IRQ0 to INTIN2 */ 522 intsrc.mpc_dstirq = i ? i : 2; /* IRQ0 to INTIN2 */
519 MP_intsrc_info(&intsrc); 523 MP_intsrc_info(&intsrc);
520 } 524 }
521 525
522 intsrc.mpc_irqtype = mp_ExtINT; 526 intsrc.mpc_irqtype = mp_ExtINT;
523 intsrc.mpc_srcbusirq = 0; 527 intsrc.mpc_srcbusirq = 0;
524 intsrc.mpc_dstirq = 0; /* 8259A to INTIN0 */ 528 intsrc.mpc_dstirq = 0; /* 8259A to INTIN0 */
525 MP_intsrc_info(&intsrc); 529 MP_intsrc_info(&intsrc);
526} 530}
527 531
@@ -551,8 +555,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
551 processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01; 555 processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
552 processor.mpc_cpuflag = CPU_ENABLED; 556 processor.mpc_cpuflag = CPU_ENABLED;
553 processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) | 557 processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) |
554 (boot_cpu_data.x86_model << 4) | 558 (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
555 boot_cpu_data.x86_mask;
556 processor.mpc_featureflag = boot_cpu_data.x86_capability[0]; 559 processor.mpc_featureflag = boot_cpu_data.x86_capability[0];
557 processor.mpc_reserved[0] = 0; 560 processor.mpc_reserved[0] = 0;
558 processor.mpc_reserved[1] = 0; 561 processor.mpc_reserved[1] = 0;
@@ -564,23 +567,23 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
564 bus.mpc_type = MP_BUS; 567 bus.mpc_type = MP_BUS;
565 bus.mpc_busid = 0; 568 bus.mpc_busid = 0;
566 switch (mpc_default_type) { 569 switch (mpc_default_type) {
567 default: 570 default:
568 printk("???\n"); 571 printk("???\n");
569 printk(KERN_ERR "Unknown standard configuration %d\n", 572 printk(KERN_ERR "Unknown standard configuration %d\n",
570 mpc_default_type); 573 mpc_default_type);
571 /* fall through */ 574 /* fall through */
572 case 1: 575 case 1:
573 case 5: 576 case 5:
574 memcpy(bus.mpc_bustype, "ISA ", 6); 577 memcpy(bus.mpc_bustype, "ISA ", 6);
575 break; 578 break;
576 case 2: 579 case 2:
577 case 6: 580 case 6:
578 case 3: 581 case 3:
579 memcpy(bus.mpc_bustype, "EISA ", 6); 582 memcpy(bus.mpc_bustype, "EISA ", 6);
580 break; 583 break;
581 case 4: 584 case 4:
582 case 7: 585 case 7:
583 memcpy(bus.mpc_bustype, "MCA ", 6); 586 memcpy(bus.mpc_bustype, "MCA ", 6);
584 } 587 }
585 MP_bus_info(&bus); 588 MP_bus_info(&bus);
586 if (mpc_default_type > 4) { 589 if (mpc_default_type > 4) {
@@ -603,7 +606,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
603 construct_default_ioirq_mptable(mpc_default_type); 606 construct_default_ioirq_mptable(mpc_default_type);
604#endif 607#endif
605 lintsrc.mpc_type = MP_LINTSRC; 608 lintsrc.mpc_type = MP_LINTSRC;
606 lintsrc.mpc_irqflag = 0; /* conforming */ 609 lintsrc.mpc_irqflag = 0; /* conforming */
607 lintsrc.mpc_srcbusid = 0; 610 lintsrc.mpc_srcbusid = 0;
608 lintsrc.mpc_srcbusirq = 0; 611 lintsrc.mpc_srcbusirq = 0;
609 lintsrc.mpc_destapic = MP_APIC_ALL; 612 lintsrc.mpc_destapic = MP_APIC_ALL;
@@ -619,23 +622,25 @@ static struct intel_mp_floating *mpf_found;
619/* 622/*
620 * Scan the memory blocks for an SMP configuration block. 623 * Scan the memory blocks for an SMP configuration block.
621 */ 624 */
622void __init get_smp_config (void) 625void __init get_smp_config(void)
623{ 626{
624 struct intel_mp_floating *mpf = mpf_found; 627 struct intel_mp_floating *mpf = mpf_found;
625 628
626 /* 629 /*
627 * ACPI supports both logical (e.g. Hyper-Threading) and physical 630 * ACPI supports both logical (e.g. Hyper-Threading) and physical
628 * processors, where MPS only supports physical. 631 * processors, where MPS only supports physical.
629 */ 632 */
630 if (acpi_lapic && acpi_ioapic) { 633 if (acpi_lapic && acpi_ioapic) {
631 printk(KERN_INFO "Using ACPI (MADT) for SMP configuration information\n"); 634 printk(KERN_INFO
635 "Using ACPI (MADT) for SMP configuration information\n");
632 return; 636 return;
633 } 637 } else if (acpi_lapic)
634 else if (acpi_lapic) 638 printk(KERN_INFO
635 printk(KERN_INFO "Using ACPI for processor (LAPIC) configuration information\n"); 639 "Using ACPI for processor (LAPIC) configuration information\n");
636 640
637 printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", mpf->mpf_specification); 641 printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
638 if (mpf->mpf_feature2 & (1<<7)) { 642 mpf->mpf_specification);
643 if (mpf->mpf_feature2 & (1 << 7)) {
639 printk(KERN_INFO " IMCR and PIC compatibility mode.\n"); 644 printk(KERN_INFO " IMCR and PIC compatibility mode.\n");
640 pic_mode = 1; 645 pic_mode = 1;
641 } else { 646 } else {
@@ -648,7 +653,8 @@ void __init get_smp_config (void)
648 */ 653 */
649 if (mpf->mpf_feature1 != 0) { 654 if (mpf->mpf_feature1 != 0) {
650 655
651 printk(KERN_INFO "Default MP configuration #%d\n", mpf->mpf_feature1); 656 printk(KERN_INFO "Default MP configuration #%d\n",
657 mpf->mpf_feature1);
652 construct_default_ISA_mptable(mpf->mpf_feature1); 658 construct_default_ISA_mptable(mpf->mpf_feature1);
653 659
654 } else if (mpf->mpf_physptr) { 660 } else if (mpf->mpf_physptr) {
@@ -659,8 +665,10 @@ void __init get_smp_config (void)
659 */ 665 */
660 if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr))) { 666 if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr))) {
661 smp_found_config = 0; 667 smp_found_config = 0;
662 printk(KERN_ERR "BIOS bug, MP table errors detected!...\n"); 668 printk(KERN_ERR
663 printk(KERN_ERR "... disabling SMP support. (tell your hw vendor)\n"); 669 "BIOS bug, MP table errors detected!...\n");
670 printk(KERN_ERR
671 "... disabling SMP support. (tell your hw vendor)\n");
664 return; 672 return;
665 } 673 }
666 674
@@ -673,7 +681,8 @@ void __init get_smp_config (void)
673 if (!mp_irq_entries) { 681 if (!mp_irq_entries) {
674 struct mpc_config_bus bus; 682 struct mpc_config_bus bus;
675 683
676 printk(KERN_ERR "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)\n"); 684 printk(KERN_ERR
685 "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)\n");
677 686
678 bus.mpc_type = MP_BUS; 687 bus.mpc_type = MP_BUS;
679 bus.mpc_busid = 0; 688 bus.mpc_busid = 0;
@@ -692,26 +701,26 @@ void __init get_smp_config (void)
692 */ 701 */
693} 702}
694 703
695static int __init smp_scan_config (unsigned long base, unsigned long length) 704static int __init smp_scan_config(unsigned long base, unsigned long length)
696{ 705{
697 unsigned long *bp = phys_to_virt(base); 706 unsigned long *bp = phys_to_virt(base);
698 struct intel_mp_floating *mpf; 707 struct intel_mp_floating *mpf;
699 708
700 printk(KERN_INFO "Scan SMP from %p for %ld bytes.\n", bp,length); 709 printk(KERN_INFO "Scan SMP from %p for %ld bytes.\n", bp, length);
701 if (sizeof(*mpf) != 16) 710 if (sizeof(*mpf) != 16)
702 printk("Error: MPF size\n"); 711 printk("Error: MPF size\n");
703 712
704 while (length > 0) { 713 while (length > 0) {
705 mpf = (struct intel_mp_floating *)bp; 714 mpf = (struct intel_mp_floating *)bp;
706 if ((*bp == SMP_MAGIC_IDENT) && 715 if ((*bp == SMP_MAGIC_IDENT) &&
707 (mpf->mpf_length == 1) && 716 (mpf->mpf_length == 1) &&
708 !mpf_checksum((unsigned char *)bp, 16) && 717 !mpf_checksum((unsigned char *)bp, 16) &&
709 ((mpf->mpf_specification == 1) 718 ((mpf->mpf_specification == 1)
710 || (mpf->mpf_specification == 4)) ) { 719 || (mpf->mpf_specification == 4))) {
711 720
712 smp_found_config = 1; 721 smp_found_config = 1;
713 printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n", 722 printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n",
714 mpf, virt_to_phys(mpf)); 723 mpf, virt_to_phys(mpf));
715 reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE, 724 reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE,
716 BOOTMEM_DEFAULT); 725 BOOTMEM_DEFAULT);
717 if (mpf->mpf_physptr) { 726 if (mpf->mpf_physptr) {
@@ -741,7 +750,7 @@ static int __init smp_scan_config (unsigned long base, unsigned long length)
741 return 0; 750 return 0;
742} 751}
743 752
744void __init find_smp_config (void) 753void __init find_smp_config(void)
745{ 754{
746 unsigned int address; 755 unsigned int address;
747 756
@@ -753,9 +762,9 @@ void __init find_smp_config (void)
753 * 2) Scan the top 1K of base RAM 762 * 2) Scan the top 1K of base RAM
754 * 3) Scan the 64K of bios 763 * 3) Scan the 64K of bios
755 */ 764 */
756 if (smp_scan_config(0x0,0x400) || 765 if (smp_scan_config(0x0, 0x400) ||
757 smp_scan_config(639*0x400,0x400) || 766 smp_scan_config(639 * 0x400, 0x400) ||
758 smp_scan_config(0xF0000,0x10000)) 767 smp_scan_config(0xF0000, 0x10000))
759 return; 768 return;
760 /* 769 /*
761 * If it is an SMP machine we should know now, unless the 770 * If it is an SMP machine we should know now, unless the
@@ -792,14 +801,14 @@ void __init find_smp_config (void)
792 801
793extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS]; 802extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS];
794 803
795static int mp_find_ioapic (int gsi) 804static int mp_find_ioapic(int gsi)
796{ 805{
797 int i = 0; 806 int i = 0;
798 807
799 /* Find the IOAPIC that manages this GSI. */ 808 /* Find the IOAPIC that manages this GSI. */
800 for (i = 0; i < nr_ioapics; i++) { 809 for (i = 0; i < nr_ioapics; i++) {
801 if ((gsi >= mp_ioapic_routing[i].gsi_base) 810 if ((gsi >= mp_ioapic_routing[i].gsi_base)
802 && (gsi <= mp_ioapic_routing[i].gsi_end)) 811 && (gsi <= mp_ioapic_routing[i].gsi_end))
803 return i; 812 return i;
804 } 813 }
805 814
@@ -833,34 +842,32 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
833 set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); 842 set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
834 mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id); 843 mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id);
835 mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx); 844 mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
836 845
837 /* 846 /*
838 * Build basic GSI lookup table to facilitate gsi->io_apic lookups 847 * Build basic GSI lookup table to facilitate gsi->io_apic lookups
839 * and to prevent reprogramming of IOAPIC pins (PCI GSIs). 848 * and to prevent reprogramming of IOAPIC pins (PCI GSIs).
840 */ 849 */
841 mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid; 850 mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid;
842 mp_ioapic_routing[idx].gsi_base = gsi_base; 851 mp_ioapic_routing[idx].gsi_base = gsi_base;
843 mp_ioapic_routing[idx].gsi_end = gsi_base + 852 mp_ioapic_routing[idx].gsi_end = gsi_base +
844 io_apic_get_redir_entries(idx); 853 io_apic_get_redir_entries(idx);
845 854
846 printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, " 855 printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
847 "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid, 856 "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
848 mp_ioapics[idx].mpc_apicver, 857 mp_ioapics[idx].mpc_apicver,
849 mp_ioapics[idx].mpc_apicaddr, 858 mp_ioapics[idx].mpc_apicaddr,
850 mp_ioapic_routing[idx].gsi_base, 859 mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end);
851 mp_ioapic_routing[idx].gsi_end);
852 860
853 nr_ioapics++; 861 nr_ioapics++;
854} 862}
855 863
856void __init 864void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
857mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
858{ 865{
859 struct mpc_config_intsrc intsrc; 866 struct mpc_config_intsrc intsrc;
860 int ioapic = -1; 867 int ioapic = -1;
861 int pin = -1; 868 int pin = -1;
862 869
863 /* 870 /*
864 * Convert 'gsi' to 'ioapic.pin'. 871 * Convert 'gsi' to 'ioapic.pin'.
865 */ 872 */
866 ioapic = mp_find_ioapic(gsi); 873 ioapic = mp_find_ioapic(gsi);
@@ -870,7 +877,7 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
870 877
871 /* 878 /*
872 * TBD: This check is for faulty timer entries, where the override 879 * TBD: This check is for faulty timer entries, where the override
873 * erroneously sets the trigger to level, resulting in a HUGE 880 * erroneously sets the trigger to level, resulting in a HUGE
874 * increase of timer interrupts! 881 * increase of timer interrupts!
875 */ 882 */
876 if ((bus_irq == 0) && (trigger == 3)) 883 if ((bus_irq == 0) && (trigger == 3))
@@ -880,13 +887,13 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
880 intsrc.mpc_irqtype = mp_INT; 887 intsrc.mpc_irqtype = mp_INT;
881 intsrc.mpc_irqflag = (trigger << 2) | polarity; 888 intsrc.mpc_irqflag = (trigger << 2) | polarity;
882 intsrc.mpc_srcbus = MP_ISA_BUS; 889 intsrc.mpc_srcbus = MP_ISA_BUS;
883 intsrc.mpc_srcbusirq = bus_irq; /* IRQ */ 890 intsrc.mpc_srcbusirq = bus_irq; /* IRQ */
884 intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; /* APIC ID */ 891 intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; /* APIC ID */
885 intsrc.mpc_dstirq = pin; /* INTIN# */ 892 intsrc.mpc_dstirq = pin; /* INTIN# */
886 893
887 Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, %d-%d\n", 894 Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, %d-%d\n",
888 intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, 895 intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3,
889 (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, 896 (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus,
890 intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, intsrc.mpc_dstirq); 897 intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, intsrc.mpc_dstirq);
891 898
892 mp_irqs[mp_irq_entries] = intsrc; 899 mp_irqs[mp_irq_entries] = intsrc;
@@ -896,14 +903,14 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
896 903
897int es7000_plat; 904int es7000_plat;
898 905
899void __init mp_config_acpi_legacy_irqs (void) 906void __init mp_config_acpi_legacy_irqs(void)
900{ 907{
901 struct mpc_config_intsrc intsrc; 908 struct mpc_config_intsrc intsrc;
902 int i = 0; 909 int i = 0;
903 int ioapic = -1; 910 int ioapic = -1;
904 911
905#if defined (CONFIG_MCA) || defined (CONFIG_EISA) 912#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
906 /* 913 /*
907 * Fabricate the legacy ISA bus (bus #31). 914 * Fabricate the legacy ISA bus (bus #31).
908 */ 915 */
909 mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA; 916 mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
@@ -917,20 +924,20 @@ void __init mp_config_acpi_legacy_irqs (void)
917 if (es7000_plat == 1) 924 if (es7000_plat == 1)
918 return; 925 return;
919 926
920 /* 927 /*
921 * Locate the IOAPIC that manages the ISA IRQs (0-15). 928 * Locate the IOAPIC that manages the ISA IRQs (0-15).
922 */ 929 */
923 ioapic = mp_find_ioapic(0); 930 ioapic = mp_find_ioapic(0);
924 if (ioapic < 0) 931 if (ioapic < 0)
925 return; 932 return;
926 933
927 intsrc.mpc_type = MP_INTSRC; 934 intsrc.mpc_type = MP_INTSRC;
928 intsrc.mpc_irqflag = 0; /* Conforming */ 935 intsrc.mpc_irqflag = 0; /* Conforming */
929 intsrc.mpc_srcbus = MP_ISA_BUS; 936 intsrc.mpc_srcbus = MP_ISA_BUS;
930#ifdef CONFIG_X86_IO_APIC 937#ifdef CONFIG_X86_IO_APIC
931 intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; 938 intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid;
932#endif 939#endif
933 /* 940 /*
934 * Use the default configuration for the IRQs 0-15. Unless 941 * Use the default configuration for the IRQs 0-15. Unless
935 * overridden by (MADT) interrupt source override entries. 942 * overridden by (MADT) interrupt source override entries.
936 */ 943 */
@@ -941,28 +948,29 @@ void __init mp_config_acpi_legacy_irqs (void)
941 struct mpc_config_intsrc *irq = mp_irqs + idx; 948 struct mpc_config_intsrc *irq = mp_irqs + idx;
942 949
943 /* Do we already have a mapping for this ISA IRQ? */ 950 /* Do we already have a mapping for this ISA IRQ? */
944 if (irq->mpc_srcbus == MP_ISA_BUS && irq->mpc_srcbusirq == i) 951 if (irq->mpc_srcbus == MP_ISA_BUS
952 && irq->mpc_srcbusirq == i)
945 break; 953 break;
946 954
947 /* Do we already have a mapping for this IOAPIC pin */ 955 /* Do we already have a mapping for this IOAPIC pin */
948 if ((irq->mpc_dstapic == intsrc.mpc_dstapic) && 956 if ((irq->mpc_dstapic == intsrc.mpc_dstapic) &&
949 (irq->mpc_dstirq == i)) 957 (irq->mpc_dstirq == i))
950 break; 958 break;
951 } 959 }
952 960
953 if (idx != mp_irq_entries) { 961 if (idx != mp_irq_entries) {
954 printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i); 962 printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i);
955 continue; /* IRQ already used */ 963 continue; /* IRQ already used */
956 } 964 }
957 965
958 intsrc.mpc_irqtype = mp_INT; 966 intsrc.mpc_irqtype = mp_INT;
959 intsrc.mpc_srcbusirq = i; /* Identity mapped */ 967 intsrc.mpc_srcbusirq = i; /* Identity mapped */
960 intsrc.mpc_dstirq = i; 968 intsrc.mpc_dstirq = i;
961 969
962 Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, " 970 Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, "
963 "%d-%d\n", intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, 971 "%d-%d\n", intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3,
964 (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, 972 (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus,
965 intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, 973 intsrc.mpc_srcbusirq, intsrc.mpc_dstapic,
966 intsrc.mpc_dstirq); 974 intsrc.mpc_dstirq);
967 975
968 mp_irqs[mp_irq_entries] = intsrc; 976 mp_irqs[mp_irq_entries] = intsrc;
@@ -985,7 +993,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
985 * represent all possible interrupts, and IRQs 993 * represent all possible interrupts, and IRQs
986 * assigned to actual devices. 994 * assigned to actual devices.
987 */ 995 */
988 static int gsi_to_irq[MAX_GSI_NUM]; 996 static int gsi_to_irq[MAX_GSI_NUM];
989 997
990 /* Don't set up the ACPI SCI because it's already set up */ 998 /* Don't set up the ACPI SCI because it's already set up */
991 if (acpi_gbl_FADT.sci_interrupt == gsi) 999 if (acpi_gbl_FADT.sci_interrupt == gsi)
@@ -1002,8 +1010,8 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
1002 if (ioapic_renumber_irq) 1010 if (ioapic_renumber_irq)
1003 gsi = ioapic_renumber_irq(ioapic, gsi); 1011 gsi = ioapic_renumber_irq(ioapic, gsi);
1004 1012
1005 /* 1013 /*
1006 * Avoid pin reprogramming. PRTs typically include entries 1014 * Avoid pin reprogramming. PRTs typically include entries
1007 * with redundant pin->gsi mappings (but unique PCI devices); 1015 * with redundant pin->gsi mappings (but unique PCI devices);
1008 * we only program the IOAPIC on the first. 1016 * we only program the IOAPIC on the first.
1009 */ 1017 */
@@ -1011,23 +1019,23 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
1011 idx = (ioapic_pin < 32) ? 0 : (ioapic_pin / 32); 1019 idx = (ioapic_pin < 32) ? 0 : (ioapic_pin / 32);
1012 if (idx > 3) { 1020 if (idx > 3) {
1013 printk(KERN_ERR "Invalid reference to IOAPIC pin " 1021 printk(KERN_ERR "Invalid reference to IOAPIC pin "
1014 "%d-%d\n", mp_ioapic_routing[ioapic].apic_id, 1022 "%d-%d\n", mp_ioapic_routing[ioapic].apic_id,
1015 ioapic_pin); 1023 ioapic_pin);
1016 return gsi; 1024 return gsi;
1017 } 1025 }
1018 if ((1<<bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) { 1026 if ((1 << bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) {
1019 Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n", 1027 Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
1020 mp_ioapic_routing[ioapic].apic_id, ioapic_pin); 1028 mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
1021 return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]); 1029 return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
1022 } 1030 }
1023 1031
1024 mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1<<bit); 1032 mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1 << bit);
1025 1033
1026 /* 1034 /*
1027 * For GSI >= 64, use IRQ compression 1035 * For GSI >= 64, use IRQ compression
1028 */ 1036 */
1029 if ((gsi >= IRQ_COMPRESSION_START) 1037 if ((gsi >= IRQ_COMPRESSION_START)
1030 && (triggering == ACPI_LEVEL_SENSITIVE)) { 1038 && (triggering == ACPI_LEVEL_SENSITIVE)) {
1031 /* 1039 /*
1032 * For PCI devices assign IRQs in order, avoiding gaps 1040 * For PCI devices assign IRQs in order, avoiding gaps
1033 * due to unused I/O APIC pins. 1041 * due to unused I/O APIC pins.
@@ -1058,8 +1066,8 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
1058 } 1066 }
1059 1067
1060 io_apic_set_pci_routing(ioapic, ioapic_pin, gsi, 1068 io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
1061 triggering == ACPI_EDGE_SENSITIVE ? 0 : 1, 1069 triggering == ACPI_EDGE_SENSITIVE ? 0 : 1,
1062 polarity == ACPI_ACTIVE_HIGH ? 0 : 1); 1070 polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
1063 return gsi; 1071 return gsi;
1064} 1072}
1065 1073