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-rw-r--r--arch/mips/include/asm/gcmpregs.h2
-rw-r--r--arch/mips/mti-malta/malta-init.c14
-rw-r--r--arch/mips/mti-malta/malta-int.c5
3 files changed, 16 insertions, 5 deletions
diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h
index d74a8a4ca861..36fd969d64d6 100644
--- a/arch/mips/include/asm/gcmpregs.h
+++ b/arch/mips/include/asm/gcmpregs.h
@@ -114,4 +114,6 @@
114#define GCMP_CCB_DINTGROUP_OFS 0x0030 /* DINT Group Participate */ 114#define GCMP_CCB_DINTGROUP_OFS 0x0030 /* DINT Group Participate */
115#define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */ 115#define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */
116 116
117extern int __init gcmp_probe(unsigned long, unsigned long);
118
117#endif /* _ASM_GCMPREGS_H */ 119#endif /* _ASM_GCMPREGS_H */
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index 475038a141a6..27c807b67fea 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -30,6 +30,7 @@
30#include <asm/cacheflush.h> 30#include <asm/cacheflush.h>
31#include <asm/traps.h> 31#include <asm/traps.h>
32 32
33#include <asm/gcmpregs.h>
33#include <asm/mips-boards/prom.h> 34#include <asm/mips-boards/prom.h>
34#include <asm/mips-boards/generic.h> 35#include <asm/mips-boards/generic.h>
35#include <asm/mips-boards/bonito64.h> 36#include <asm/mips-boards/bonito64.h>
@@ -192,6 +193,8 @@ extern struct plat_smp_ops msmtc_smp_ops;
192 193
193void __init prom_init(void) 194void __init prom_init(void)
194{ 195{
196 int result;
197
195 prom_argc = fw_arg0; 198 prom_argc = fw_arg0;
196 _prom_argv = (int *) fw_arg1; 199 _prom_argv = (int *) fw_arg1;
197 _prom_envp = (int *) fw_arg2; 200 _prom_envp = (int *) fw_arg2;
@@ -358,12 +361,21 @@ void __init prom_init(void)
358#ifdef CONFIG_SERIAL_8250_CONSOLE 361#ifdef CONFIG_SERIAL_8250_CONSOLE
359 console_config(); 362 console_config();
360#endif 363#endif
364 /* Early detection of CMP support */
365 result = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
366
361#ifdef CONFIG_MIPS_CMP 367#ifdef CONFIG_MIPS_CMP
362 register_smp_ops(&cmp_smp_ops); 368 if (result)
369 register_smp_ops(&cmp_smp_ops);
363#endif 370#endif
364#ifdef CONFIG_MIPS_MT_SMP 371#ifdef CONFIG_MIPS_MT_SMP
372#ifdef CONFIG_MIPS_CMP
373 if (!result)
374 register_smp_ops(&vsmp_smp_ops);
375#else
365 register_smp_ops(&vsmp_smp_ops); 376 register_smp_ops(&vsmp_smp_ops);
366#endif 377#endif
378#endif
367#ifdef CONFIG_MIPS_MT_SMTC 379#ifdef CONFIG_MIPS_MT_SMTC
368 register_smp_ops(&msmtc_smp_ops); 380 register_smp_ops(&msmtc_smp_ops);
369#endif 381#endif
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index bc0ba58acfd5..a8756f82c31b 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -409,7 +409,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
409/* 409/*
410 * GCMP needs to be detected before any SMP initialisation 410 * GCMP needs to be detected before any SMP initialisation
411 */ 411 */
412static int __init gcmp_probe(unsigned long addr, unsigned long size) 412int __init gcmp_probe(unsigned long addr, unsigned long size)
413{ 413{
414 if (gcmp_present >= 0) 414 if (gcmp_present >= 0)
415 return gcmp_present; 415 return gcmp_present;
@@ -449,14 +449,11 @@ static void __init fill_ipi_map(void)
449 449
450void __init arch_init_irq(void) 450void __init arch_init_irq(void)
451{ 451{
452 int gic_present, gcmp_present;
453
454 init_i8259_irqs(); 452 init_i8259_irqs();
455 453
456 if (!cpu_has_veic) 454 if (!cpu_has_veic)
457 mips_cpu_irq_init(); 455 mips_cpu_irq_init();
458 456
459 gcmp_present = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
460 if (gcmp_present) { 457 if (gcmp_present) {
461 GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK; 458 GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK;
462 gic_present = 1; 459 gic_present = 1;