1 files changed, 40 insertions, 8 deletions

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index a41df7b..4fb9de0 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -46,7 +46,6 @@
 #include <asm/tsb.h>
 #include <asm/hypervisor.h>
 #include <asm/prom.h>
-#include <asm/sstate.h>
 #include <asm/mdesc.h>
 #include <asm/cpudata.h>
 #include <asm/irq.h>
@@ -938,6 +937,10 @@ int of_node_to_nid(struct device_node *dp)
 	int count, nid;
 	u64 grp;
 
+	/* This is the right thing to do on currently supported
+	 * SUN4U NUMA platforms as well, as the PCI controller does
+	 * not sit behind any particular memory controller.
+	 */
 	if (!mlgroups)
 		return -1;
 
@@ -1206,8 +1209,44 @@ out:
 	return err;
 }
 
+static int __init numa_parse_jbus(void)
+{
+	unsigned long cpu, index;
+
+	/* NUMA node id is encoded in bits 36 and higher, and there is
+	 * a 1-to-1 mapping from CPU ID to NUMA node ID.
+	 */
+	index = 0;
+	for_each_present_cpu(cpu) {
+		numa_cpu_lookup_table[cpu] = index;
+		numa_cpumask_lookup_table[index] = cpumask_of_cpu(cpu);
+		node_masks[index].mask = ~((1UL << 36UL) - 1UL);
+		node_masks[index].val = cpu << 36UL;
+
+		index++;
+	}
+	num_node_masks = index;
+
+	add_node_ranges();
+
+	for (index = 0; index < num_node_masks; index++) {
+		allocate_node_data(index);
+		node_set_online(index);
+	}
+
+	return 0;
+}
+
 static int __init numa_parse_sun4u(void)
 {
+	if (tlb_type == cheetah || tlb_type == cheetah_plus) {
+		unsigned long ver;
+
+		__asm__ ("rdpr %%ver, %0" : "=r" (ver));
+		if ((ver >> 32UL) == __JALAPENO_ID ||
+		    (ver >> 32UL) == __SERRANO_ID)
+			return numa_parse_jbus();
+	}
 	return -1;
 }
 
@@ -1633,8 +1672,6 @@ void __cpuinit sun4v_ktsb_register(void)
 
 /* paging_init() sets up the page tables */
 
-extern void central_probe(void);
-
 static unsigned long last_valid_pfn;
 pgd_t swapper_pg_dir[2048];
 
@@ -1679,8 +1716,6 @@ void __init paging_init(void)
 	kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
 	kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
 
-	sstate_booting();
-
 	/* Invalidate both kernel TSBs.  */
 	memset(swapper_tsb, 0x40, sizeof(swapper_tsb));
 #ifndef CONFIG_DEBUG_PAGEALLOC
@@ -1803,9 +1838,6 @@ void __init paging_init(void)
 	}
 
 	printk("Booting Linux...\n");
-
-	central_probe();
-	cpu_probe();
 }
 
 int __init page_in_phys_avail(unsigned long paddr)