Linux-libre 4.2-gnu

1 files changed, 0 insertions, 296 deletions

diff --git a/arch/mips/loongson/loongson-3/numa.c b/arch/mips/loongson/loongson-3/numa.c
deleted file mode 100644
index 12d14ed48..000000000
--- a/arch/mips/loongson/loongson-3/numa.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * Copyright (C) 2010 Loongson Inc. & Lemote Inc. &
- *                    Insititute of Computing Technology
- * Author:  Xiang Gao, gaoxiang@ict.ac.cn
- *          Huacai Chen, chenhc@lemote.com
- *          Xiaofu Meng, Shuangshuang Zhang
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <linux/module.h>
-#include <linux/nodemask.h>
-#include <linux/swap.h>
-#include <linux/memblock.h>
-#include <linux/bootmem.h>
-#include <linux/pfn.h>
-#include <linux/highmem.h>
-#include <asm/page.h>
-#include <asm/pgalloc.h>
-#include <asm/sections.h>
-#include <linux/irq.h>
-#include <asm/bootinfo.h>
-#include <asm/mc146818-time.h>
-#include <asm/time.h>
-#include <asm/wbflush.h>
-#include <boot_param.h>
-
-static struct node_data prealloc__node_data[MAX_NUMNODES];
-unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
-EXPORT_SYMBOL(__node_distances);
-struct node_data *__node_data[MAX_NUMNODES];
-EXPORT_SYMBOL(__node_data);
-
-static void enable_lpa(void)
-{
-	unsigned long value;
-
-	value = __read_32bit_c0_register($16, 3);
-	value |= 0x00000080;
-	__write_32bit_c0_register($16, 3, value);
-	value = __read_32bit_c0_register($16, 3);
-	pr_info("CP0_Config3: CP0 16.3 (0x%lx)\n", value);
-
-	value = __read_32bit_c0_register($5, 1);
-	value |= 0x20000000;
-	__write_32bit_c0_register($5, 1, value);
-	value = __read_32bit_c0_register($5, 1);
-	pr_info("CP0_PageGrain: CP0 5.1 (0x%lx)\n", value);
-}
-
-static void cpu_node_probe(void)
-{
-	int i;
-
-	nodes_clear(node_possible_map);
-	nodes_clear(node_online_map);
-	for (i = 0; i < loongson_sysconf.nr_nodes; i++) {
-		node_set_state(num_online_nodes(), N_POSSIBLE);
-		node_set_online(num_online_nodes());
-	}
-
-	pr_info("NUMA: Discovered %d cpus on %d nodes\n",
-		loongson_sysconf.nr_cpus, num_online_nodes());
-}
-
-static int __init compute_node_distance(int row, int col)
-{
-	int package_row = row * loongson_sysconf.cores_per_node /
-				loongson_sysconf.cores_per_package;
-	int package_col = col * loongson_sysconf.cores_per_node /
-				loongson_sysconf.cores_per_package;
-
-	if (col == row)
-		return 0;
-	else if (package_row == package_col)
-		return 40;
-	else
-		return 100;
-}
-
-static void __init init_topology_matrix(void)
-{
-	int row, col;
-
-	for (row = 0; row < MAX_NUMNODES; row++)
-		for (col = 0; col < MAX_NUMNODES; col++)
-			__node_distances[row][col] = -1;
-
-	for_each_online_node(row) {
-		for_each_online_node(col) {
-			__node_distances[row][col] =
-				compute_node_distance(row, col);
-		}
-	}
-}
-
-static unsigned long nid_to_addroffset(unsigned int nid)
-{
-	unsigned long result;
-	switch (nid) {
-	case 0:
-	default:
-		result = NODE0_ADDRSPACE_OFFSET;
-		break;
-	case 1:
-		result = NODE1_ADDRSPACE_OFFSET;
-		break;
-	case 2:
-		result = NODE2_ADDRSPACE_OFFSET;
-		break;
-	case 3:
-		result = NODE3_ADDRSPACE_OFFSET;
-		break;
-	}
-	return result;
-}
-
-static void __init szmem(unsigned int node)
-{
-	u32 i, mem_type;
-	static unsigned long num_physpages = 0;
-	u64 node_id, node_psize, start_pfn, end_pfn, mem_start, mem_size;
-
-	/* Parse memory information and activate */
-	for (i = 0; i < loongson_memmap->nr_map; i++) {
-		node_id = loongson_memmap->map[i].node_id;
-		if (node_id != node)
-			continue;
-
-		mem_type = loongson_memmap->map[i].mem_type;
-		mem_size = loongson_memmap->map[i].mem_size;
-		mem_start = loongson_memmap->map[i].mem_start;
-
-		switch (mem_type) {
-		case SYSTEM_RAM_LOW:
-			start_pfn = ((node_id << 44) + mem_start) >> PAGE_SHIFT;
-			node_psize = (mem_size << 20) >> PAGE_SHIFT;
-			end_pfn  = start_pfn + node_psize;
-			num_physpages += node_psize;
-			pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n",
-				(u32)node_id, mem_type, mem_start, mem_size);
-			pr_info("       start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
-				start_pfn, end_pfn, num_physpages);
-			add_memory_region((node_id << 44) + mem_start,
-				(u64)mem_size << 20, BOOT_MEM_RAM);
-			memblock_add_node(PFN_PHYS(start_pfn),
-				PFN_PHYS(end_pfn - start_pfn), node);
-			break;
-		case SYSTEM_RAM_HIGH:
-			start_pfn = ((node_id << 44) + mem_start) >> PAGE_SHIFT;
-			node_psize = (mem_size << 20) >> PAGE_SHIFT;
-			end_pfn  = start_pfn + node_psize;
-			num_physpages += node_psize;
-			pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n",
-				(u32)node_id, mem_type, mem_start, mem_size);
-			pr_info("       start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
-				start_pfn, end_pfn, num_physpages);
-			add_memory_region((node_id << 44) + mem_start,
-				(u64)mem_size << 20, BOOT_MEM_RAM);
-			memblock_add_node(PFN_PHYS(start_pfn),
-				PFN_PHYS(end_pfn - start_pfn), node);
-			break;
-		case MEM_RESERVED:
-			pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n",
-				(u32)node_id, mem_type, mem_start, mem_size);
-			add_memory_region((node_id << 44) + mem_start,
-				(u64)mem_size << 20, BOOT_MEM_RESERVED);
-			memblock_reserve(((node_id << 44) + mem_start),
-				mem_size << 20);
-			break;
-		}
-	}
-}
-
-static void __init node_mem_init(unsigned int node)
-{
-	unsigned long bootmap_size;
-	unsigned long node_addrspace_offset;
-	unsigned long start_pfn, end_pfn, freepfn;
-
-	node_addrspace_offset = nid_to_addroffset(node);
-	pr_info("Node%d's addrspace_offset is 0x%lx\n",
-			node, node_addrspace_offset);
-
-	get_pfn_range_for_nid(node, &start_pfn, &end_pfn);
-	freepfn = start_pfn;
-	if (node == 0)
-		freepfn = PFN_UP(__pa_symbol(&_end)); /* kernel end address */
-	pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx, freepfn=0x%lx\n",
-		node, start_pfn, end_pfn, freepfn);
-
-	__node_data[node] = prealloc__node_data + node;
-
-	NODE_DATA(node)->bdata = &bootmem_node_data[node];
-	NODE_DATA(node)->node_start_pfn = start_pfn;
-	NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;
-
-	bootmap_size = init_bootmem_node(NODE_DATA(node), freepfn,
-					start_pfn, end_pfn);
-	free_bootmem_with_active_regions(node, end_pfn);
-	if (node == 0) /* used by finalize_initrd() */
-		max_low_pfn = end_pfn;
-
-	/* This is reserved for the kernel and bdata->node_bootmem_map */
-	reserve_bootmem_node(NODE_DATA(node), start_pfn << PAGE_SHIFT,
-		((freepfn - start_pfn) << PAGE_SHIFT) + bootmap_size,
-		BOOTMEM_DEFAULT);
-
-	if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
-		/* Reserve 0xff800000~0xffffffff for RS780E integrated GPU */
-		reserve_bootmem_node(NODE_DATA(node),
-				(node_addrspace_offset | 0xff800000),
-				8 << 20, BOOTMEM_DEFAULT);
-	}
-
-	sparse_memory_present_with_active_regions(node);
-}
-
-static __init void prom_meminit(void)
-{
-	unsigned int node, cpu, active_cpu = 0;
-
-	cpu_node_probe();
-	init_topology_matrix();
-
-	for (node = 0; node < loongson_sysconf.nr_nodes; node++) {
-		if (node_online(node)) {
-			szmem(node);
-			node_mem_init(node);
-			cpumask_clear(&__node_data[(node)]->cpumask);
-		}
-	}
-	for (cpu = 0; cpu < loongson_sysconf.nr_cpus; cpu++) {
-		node = cpu / loongson_sysconf.cores_per_node;
-		if (node >= num_online_nodes())
-			node = 0;
-
-		if (loongson_sysconf.reserved_cpus_mask & (1<<cpu))
-			continue;
-
-		cpumask_set_cpu(active_cpu, &__node_data[(node)]->cpumask);
-		pr_info("NUMA: set cpumask cpu %d on node %d\n", active_cpu, node);
-
-		active_cpu++;
-	}
-}
-
-void __init paging_init(void)
-{
-	unsigned node;
-	unsigned long zones_size[MAX_NR_ZONES] = {0, };
-
-	pagetable_init();
-
-	for_each_online_node(node) {
-		unsigned long  start_pfn, end_pfn;
-
-		get_pfn_range_for_nid(node, &start_pfn, &end_pfn);
-
-		if (end_pfn > max_low_pfn)
-			max_low_pfn = end_pfn;
-	}
-#ifdef CONFIG_ZONE_DMA32
-	zones_size[ZONE_DMA32] = MAX_DMA32_PFN;
-#endif
-	zones_size[ZONE_NORMAL] = max_low_pfn;
-	free_area_init_nodes(zones_size);
-}
-
-void __init mem_init(void)
-{
-	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
-	free_all_bootmem();
-	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
-}
-
-/* All PCI device belongs to logical Node-0 */
-int pcibus_to_node(struct pci_bus *bus)
-{
-	return 0;
-}
-EXPORT_SYMBOL(pcibus_to_node);
-
-void __init prom_init_numa_memory(void)
-{
-	enable_lpa();
-	prom_meminit();
-}
-EXPORT_SYMBOL(prom_init_numa_memory);