MIPS: CMP: activate CMP support

Most of the CMP support was added before, this mostly correct compile
problems but adds a platform specific translation for the interrupt number
based on cpu number.

Signed-off-by: Tim Anderson <tanderson@mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 61 deletions

diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index 653be06..ad0ff5d 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -37,80 +37,24 @@
 #include <asm/mipsregs.h>
 #include <asm/mipsmtregs.h>
 #include <asm/mips_mt.h>
-
-/*
- * Crude manipulation of the CPU masks to control which
- * which CPU's are brought online during initialisation
- *
- * Beware... this needs to be called after CPU discovery
- * but before CPU bringup
- */
-static int __init allowcpus(char *str)
-{
-	cpumask_t cpu_allow_map;
-	char buf[256];
-	int len;
-
-	cpus_clear(cpu_allow_map);
-	if (cpulist_parse(str, &cpu_allow_map) == 0) {
-		cpu_set(0, cpu_allow_map);
-		cpus_and(cpu_possible_map, cpu_possible_map, cpu_allow_map);
-		len = cpulist_scnprintf(buf, sizeof(buf)-1, &cpu_possible_map);
-		buf[len] = '\0';
-		pr_debug("Allowable CPUs: %s\n", buf);
-		return 1;
-	} else
-		return 0;
-}
-__setup("allowcpus=", allowcpus);
+#include <asm/amon.h>
+#include <asm/gic.h>
 
 static void ipi_call_function(unsigned int cpu)
 {
-	unsigned int action = 0;
-
 	pr_debug("CPU%d: %s cpu %d status %08x\n",
 		 smp_processor_id(), __func__, cpu, read_c0_status());
 
-	switch (cpu) {
-	case 0:
-		action = GIC_IPI_EXT_INTR_CALLFNC_VPE0;
-		break;
-	case 1:
-		action = GIC_IPI_EXT_INTR_CALLFNC_VPE1;
-		break;
-	case 2:
-		action = GIC_IPI_EXT_INTR_CALLFNC_VPE2;
-		break;
-	case 3:
-		action = GIC_IPI_EXT_INTR_CALLFNC_VPE3;
-		break;
-	}
-	gic_send_ipi(action);
+	gic_send_ipi(plat_ipi_call_int_xlate(cpu));
 }
 
 
 static void ipi_resched(unsigned int cpu)
 {
-	unsigned int action = 0;
-
 	pr_debug("CPU%d: %s cpu %d status %08x\n",
 		 smp_processor_id(), __func__, cpu, read_c0_status());
 
-	switch (cpu) {
-	case 0:
-		action = GIC_IPI_EXT_INTR_RESCHED_VPE0;
-		break;
-	case 1:
-		action = GIC_IPI_EXT_INTR_RESCHED_VPE1;
-		break;
-	case 2:
-		action = GIC_IPI_EXT_INTR_RESCHED_VPE2;
-		break;
-	case 3:
-		action = GIC_IPI_EXT_INTR_RESCHED_VPE3;
-		break;
-	}
-	gic_send_ipi(action);
+	gic_send_ipi(plat_ipi_resched_int_xlate(cpu));
 }
 
 /*
@@ -206,7 +150,7 @@ static void cmp_boot_secondary(int cpu, struct task_struct *idle)
 			   (unsigned long)(gp + sizeof(struct thread_info)));
 #endif
 
-	amon_cpu_start(cpu, pc, sp, gp, a0);
+	amon_cpu_start(cpu, pc, sp, (unsigned long)gp, a0);
 }
 
 /*