6  * Copyright (C) 2000, 05 by Ralf Baechle (ralf@linux-mips.org)
32 #include "ip27-common.h"
34 #define SLOT_PFNSHIFT		(SLOT_SHIFT - PAGE_SHIFT)
35 #define PFN_NASIDSHFT		(NASID_SHFT - PAGE_SHIFT)
64 	if (router_a->rou_rflag == 1)  in router_recurse()
70 	router_a->rou_rflag = 1;  in router_recurse()
73 		if (router_a->rou_port[port].port_nasid == INVALID_NASID)  in router_recurse()
77 			router_a->rou_port[port].port_nasid,  in router_recurse()
78 			router_a->rou_port[port].port_offset);  in router_recurse()
80 		if (brd->brd_type == KLTYPE_ROUTER) {  in router_recurse()
81 			router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);  in router_recurse()
91 	router_a->rou_rflag = 0;  in router_recurse()
113 			if (brd->brd_flags & DUPLICATE_BOARD)  in compute_node_distance()
116 			router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);  in compute_node_distance()
117 			router->rou_rflag = 0;  in compute_node_distance()
120 				if (router->rou_port[port].port_nasid == INVALID_NASID)  in compute_node_distance()
124 					router->rou_port[port].port_nasid,  in compute_node_distance()
125 					router->rou_port[port].port_offset);  in compute_node_distance()
127 				if (dest_brd->brd_type == KLTYPE_IP27) {  in compute_node_distance()
128 					if (dest_brd->brd_nasid == nasid_a)  in compute_node_distance()
130 					if (dest_brd->brd_nasid == nasid_b)  in compute_node_distance()
165 			__node_distances[row][col] = -1;  in init_topology_matrix()
205 			if (brd->brd_flags & DUPLICATE_BOARD)  in dump_topology()
210 			router = (klrou_t *)NODE_OFFSET_TO_K0(NASID_GET(brd), brd->brd_compts[0]);  in dump_topology()
213 				if (router->rou_port[port].port_nasid == INVALID_NASID)  in dump_topology()
217 					router->rou_port[port].port_nasid,  in dump_topology()
218 					router->rou_port[port].port_offset);  in dump_topology()
220 				if (dest_brd->brd_type == KLTYPE_IP27)  in dump_topology()
221 					pr_cont(" %d", dest_brd->brd_nasid);  in dump_topology()
222 				if (dest_brd->brd_type == KLTYPE_ROUTER)  in dump_topology()
231 static unsigned long __init slot_getbasepfn(nasid_t nasid, int slot)  in slot_getbasepfn()  argument
233 	return ((unsigned long)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT);  in slot_getbasepfn()
236 static unsigned long __init slot_psize_compute(nasid_t nasid, int slot)  in slot_psize_compute()  argument
240 	unsigned long size;  in slot_psize_compute()  local
252 	/* Size in _Megabytes_ */  in slot_psize_compute()
253 	size = (unsigned long)banks->membnk_bnksz[slot/4];  in slot_psize_compute()
256 	if (size <= 128) {  in slot_psize_compute()
257 		if (slot % 4 == 0) {  in slot_psize_compute()
258 			size <<= 20;		/* size in bytes */  in slot_psize_compute()
259 			return size >> PAGE_SHIFT;  in slot_psize_compute()
263 		size /= 4;  in slot_psize_compute()
264 		size <<= 20;  in slot_psize_compute()
265 		return size >> PAGE_SHIFT;  in slot_psize_compute()
277 	 * Probe for all CPUs - this creates the cpumask and sets up the  in mlreset()
318 	int slot;  in szmem()  local
323 		for (slot = 0; slot < MAX_MEM_SLOTS; slot++) {  in szmem()
324 			slot_psize = slot_psize_compute(node, slot);  in szmem()
325 			if (slot == 0)  in szmem()
338 				pr_info("Ignoring slot %d onwards on node %d\n",  in szmem()
339 								slot, node);  in szmem()
340 				slot = MAX_MEM_SLOTS;  in szmem()
343 			memblock_add_node(PFN_PHYS(slot_getbasepfn(node, slot)),  in szmem()
363 	node_data[node] = &__node_data[node]->pglist;  in node_mem_init()
365 	NODE_DATA(node)->node_start_pfn = start_pfn;  in node_mem_init()
366 	NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;  in node_mem_init()
368 	cpumask_clear(&hub_data(node)->h_cpus);  in node_mem_init()
374 			 ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT));  in node_mem_init()
388  * Currently, the intranode memory hole support assumes that each slot
390  * fits on the first slot.