1 files changed, 56 insertions, 12 deletions

diff --git a/arch/powerpc/cpu/mpc8xxx/cpu.c b/arch/powerpc/cpu/mpc8xxx/cpu.c
index cbc674211..78a8f926b 100644
--- a/arch/powerpc/cpu/mpc8xxx/cpu.c
+++ b/arch/powerpc/cpu/mpc8xxx/cpu.c
@@ -57,8 +57,6 @@ struct cpu_type cpu_type_list [] = {
 	CPU_TYPE_ENTRY(P1012, P1012, 1),
 	CPU_TYPE_ENTRY(P1013, P1013, 1),
 	CPU_TYPE_ENTRY(P1014, P1014, 1),
-	CPU_TYPE_ENTRY(P1015, P1015, 1),
-	CPU_TYPE_ENTRY(P1016, P1016, 1),
 	CPU_TYPE_ENTRY(P1017, P1017, 1),
 	CPU_TYPE_ENTRY(P1020, P1020, 2),
 	CPU_TYPE_ENTRY(P1021, P1021, 2),
@@ -71,7 +69,6 @@ struct cpu_type cpu_type_list [] = {
 	CPU_TYPE_ENTRY(P2040, P2040, 4),
 	CPU_TYPE_ENTRY(P2041, P2041, 4),
 	CPU_TYPE_ENTRY(P3041, P3041, 4),
-	CPU_TYPE_ENTRY_MASK(P3060, P3060, 6, 0xf3),
 	CPU_TYPE_ENTRY(P4040, P4040, 4),
 	CPU_TYPE_ENTRY(P4080, P4080, 8),
 	CPU_TYPE_ENTRY(P5010, P5010, 1),
@@ -85,7 +82,39 @@ struct cpu_type cpu_type_list [] = {
 #endif
 };
 
-struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
+#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
+u32 compute_ppc_cpumask(void)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	int i = 0, count = 0;
+	u32 cluster, mask = 0;
+
+	do {
+		int j;
+		cluster = in_be32(&gur->tp_cluster[i++].lower);
+		for (j = 0; j < 4; j++) {
+			u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK;
+			u32 type = in_be32(&gur->tp_ityp[idx]);
+
+			if (type & TP_ITYP_AV) {
+				if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC)
+					mask |= 1 << count;
+			}
+			count++;
+		}
+	} while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC);
+
+	return mask;
+}
+#else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+/*
+ * Before chassis genenration 2, the cpumask should be hard-coded.
+ * In case of cpu type unknown or cpumask unset, use 1 as fail save.
+ */
+#define compute_ppc_cpumask()	1
+#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+
+struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 0);
 
 struct cpu_type *identify_cpu(u32 ver)
 {
@@ -113,6 +142,9 @@ u32 cpu_mask()
 	return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >>
 			MPC8xxx_PICFRR_NCPU_SHIFT) + 1;
 
+	if (cpu->num_cores == 0)
+		return compute_ppc_cpumask();
+
 	return cpu->mask;
 }
 
@@ -120,13 +152,14 @@ u32 cpu_mask()
  * Return the number of cores on this SOC.
  */
 int cpu_numcores() {
-	ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC8xxx_PIC_ADDR;
 	struct cpu_type *cpu = gd->cpu;
 
-	/* better to query feature reporting register than just assume 1 */
-	if (cpu == &cpu_type_unknown)
-		return ((in_be32(&pic->frr) & MPC8xxx_PICFRR_NCPU_MASK) >>
-			MPC8xxx_PICFRR_NCPU_SHIFT) + 1;
+	/*
+	 * Report # of cores in terms of the cpu_mask if we haven't
+	 * figured out how many there are yet
+	 */
+	if (cpu->num_cores == 0)
+		return hweight32(cpu_mask());
 
 	return cpu->num_cores;
 }
@@ -138,9 +171,7 @@ int cpu_numcores() {
  */
 int is_core_valid(unsigned int core)
 {
-	struct cpu_type *cpu = gd->cpu;
-
-	return !!((1 << core) & cpu->mask);
+	return !!((1 << core) & cpu_mask());
 }
 
 int probecpu (void)
@@ -156,6 +187,19 @@ int probecpu (void)
 	return 0;
 }
 
+/* Once in memory, compute mask & # cores once and save them off */
+int fixup_cpu(void)
+{
+	struct cpu_type *cpu = gd->cpu;
+
+	if (cpu->num_cores == 0) {
+		cpu->mask = cpu_mask();
+		cpu->num_cores = cpu_numcores();
+	}
+
+	return 0;
+}
+
 /*
  * Initializes on-chip ethernet controllers.
  * to override, implement board_eth_init()