diff options
Diffstat (limited to 'arch/i386/kernel/numaq_32.c')
| -rw-r--r-- | arch/i386/kernel/numaq_32.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/arch/i386/kernel/numaq_32.c b/arch/i386/kernel/numaq_32.c deleted file mode 100644 index 9000d82c6dc0..000000000000 --- a/arch/i386/kernel/numaq_32.c +++ /dev/null | |||
| @@ -1,89 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Written by: Patricia Gaughen, IBM Corporation | ||
| 3 | * | ||
| 4 | * Copyright (C) 2002, IBM Corp. | ||
| 5 | * | ||
| 6 | * All rights reserved. | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation; either version 2 of the License, or | ||
| 11 | * (at your option) any later version. | ||
| 12 | * | ||
| 13 | * This program is distributed in the hope that it will be useful, but | ||
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | ||
| 16 | * NON INFRINGEMENT. See the GNU General Public License for more | ||
| 17 | * details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU General Public License | ||
| 20 | * along with this program; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 22 | * | ||
| 23 | * Send feedback to <gone@us.ibm.com> | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include <linux/mm.h> | ||
| 27 | #include <linux/bootmem.h> | ||
| 28 | #include <linux/mmzone.h> | ||
| 29 | #include <linux/module.h> | ||
| 30 | #include <linux/nodemask.h> | ||
| 31 | #include <asm/numaq.h> | ||
| 32 | #include <asm/topology.h> | ||
| 33 | #include <asm/processor.h> | ||
| 34 | |||
| 35 | #define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT)) | ||
| 36 | |||
| 37 | /* | ||
| 38 | * Function: smp_dump_qct() | ||
| 39 | * | ||
| 40 | * Description: gets memory layout from the quad config table. This | ||
| 41 | * function also updates node_online_map with the nodes (quads) present. | ||
| 42 | */ | ||
| 43 | static void __init smp_dump_qct(void) | ||
| 44 | { | ||
| 45 | int node; | ||
| 46 | struct eachquadmem *eq; | ||
| 47 | struct sys_cfg_data *scd = | ||
| 48 | (struct sys_cfg_data *)__va(SYS_CFG_DATA_PRIV_ADDR); | ||
| 49 | |||
| 50 | nodes_clear(node_online_map); | ||
| 51 | for_each_node(node) { | ||
| 52 | if (scd->quads_present31_0 & (1 << node)) { | ||
| 53 | node_set_online(node); | ||
| 54 | eq = &scd->eq[node]; | ||
| 55 | /* Convert to pages */ | ||
| 56 | node_start_pfn[node] = MB_TO_PAGES( | ||
| 57 | eq->hi_shrd_mem_start - eq->priv_mem_size); | ||
| 58 | node_end_pfn[node] = MB_TO_PAGES( | ||
| 59 | eq->hi_shrd_mem_start + eq->hi_shrd_mem_size); | ||
| 60 | |||
| 61 | memory_present(node, | ||
| 62 | node_start_pfn[node], node_end_pfn[node]); | ||
| 63 | node_remap_size[node] = node_memmap_size_bytes(node, | ||
| 64 | node_start_pfn[node], | ||
| 65 | node_end_pfn[node]); | ||
| 66 | } | ||
| 67 | } | ||
| 68 | } | ||
| 69 | |||
| 70 | /* | ||
| 71 | * Unlike Summit, we don't really care to let the NUMA-Q | ||
| 72 | * fall back to flat mode. Don't compile for NUMA-Q | ||
| 73 | * unless you really need it! | ||
| 74 | */ | ||
| 75 | int __init get_memcfg_numaq(void) | ||
| 76 | { | ||
| 77 | smp_dump_qct(); | ||
| 78 | return 1; | ||
| 79 | } | ||
| 80 | |||
| 81 | static int __init numaq_tsc_disable(void) | ||
| 82 | { | ||
| 83 | if (num_online_nodes() > 1) { | ||
| 84 | printk(KERN_DEBUG "NUMAQ: disabling TSC\n"); | ||
| 85 | tsc_disable = 1; | ||
| 86 | } | ||
| 87 | return 0; | ||
| 88 | } | ||
| 89 | arch_initcall(numaq_tsc_disable); | ||