2 * Written by: Patricia Gaughen, IBM Corporation
4 * Copyright (C) 2002, IBM Corp.
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.
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
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.
23 * Send feedback to <gone@us.ibm.com>
26 #ifndef _ASM_X86_NUMAQ_H
27 #define _ASM_X86_NUMAQ_H
29 #ifdef CONFIG_X86_NUMAQ
31 extern int found_numaq;
32 extern int get_memcfg_numaq(void);
35 * SYS_CFG_DATA_PRIV_ADDR, struct eachquadmem, and struct sys_cfg_data are the
37 #define SYS_CFG_DATA_PRIV_ADDR 0x0009d000 /* place for scd in private
41 * Communication area for each processor on lynxer-processor tests.
43 * NOTE: If you change the size of this eachproc structure you need
44 * to change the definition for EACH_QUAD_SIZE.
47 unsigned int priv_mem_start; /* Starting address of this */
48 /* quad's private memory. */
49 /* This is always 0. */
51 unsigned int priv_mem_size; /* Size of this quad's */
54 unsigned int low_shrd_mem_strp_start;/* Starting address of this */
55 /* quad's low shared block */
58 unsigned int low_shrd_mem_start; /* Starting address of this */
59 /* quad's low shared memory */
62 unsigned int low_shrd_mem_size; /* Size of this quad's low */
65 unsigned int lmmio_copb_start; /* Starting address of this */
66 /* quad's local memory */
67 /* mapped I/O in the */
68 /* compatibility OPB. */
70 unsigned int lmmio_copb_size; /* Size of this quad's local */
71 /* memory mapped I/O in the */
72 /* compatibility OPB. */
74 unsigned int lmmio_nopb_start; /* Starting address of this */
75 /* quad's local memory */
76 /* mapped I/O in the */
77 /* non-compatibility OPB. */
79 unsigned int lmmio_nopb_size; /* Size of this quad's local */
80 /* memory mapped I/O in the */
81 /* non-compatibility OPB. */
83 unsigned int io_apic_0_start; /* Starting address of I/O */
85 unsigned int io_apic_0_sz; /* Size I/O APIC 0. */
86 unsigned int io_apic_1_start; /* Starting address of I/O */
88 unsigned int io_apic_1_sz; /* Size I/O APIC 1. */
89 unsigned int hi_shrd_mem_start; /* Starting address of this */
90 /* quad's high shared memory.*/
92 unsigned int hi_shrd_mem_size; /* Size of this quad's high */
95 unsigned int mps_table_addr; /* Address of this quad's */
96 /* MPS tables from BIOS, */
98 unsigned int lcl_MDC_pio_addr; /* Port-I/O address for */
99 /* local access of MDC. */
100 unsigned int rmt_MDC_mmpio_addr; /* MM-Port-I/O address for */
101 /* remote access of MDC. */
102 unsigned int mm_port_io_start; /* Starting address of this */
103 /* quad's memory mapped Port */
105 unsigned int mm_port_io_size; /* Size of this quad's memory*/
106 /* mapped Port I/O space. */
107 unsigned int mm_rmt_io_apic_start; /* Starting address of this */
108 /* quad's memory mapped */
109 /* remote I/O APIC space. */
110 unsigned int mm_rmt_io_apic_size; /* Size of this quad's memory*/
111 /* mapped remote I/O APIC */
113 unsigned int mm_isa_start; /* Starting address of this */
114 /* quad's memory mapped ISA */
115 /* space (contains MDC */
117 unsigned int mm_isa_size; /* Size of this quad's memory*/
118 /* mapped ISA space (contains*/
119 /* MDC memory space). */
120 unsigned int rmt_qmi_addr; /* Remote addr to access QMI.*/
121 unsigned int lcl_qmi_addr; /* Local addr to access QMI. */
125 * Note: This structure must be NOT be changed unless the multiproc and
126 * OS are changed to reflect the new structure.
128 struct sys_cfg_data {
129 unsigned int quad_id;
130 unsigned int bsp_proc_id; /* Boot Strap Processor in this quad. */
131 unsigned int scd_version; /* Version number of this table. */
132 unsigned int first_quad_id;
133 unsigned int quads_present31_0; /* 1 bit for each quad */
134 unsigned int quads_present63_32; /* 1 bit for each quad */
135 unsigned int config_flags;
136 unsigned int boot_flags;
137 unsigned int csr_start_addr; /* Absolute value (not in MB) */
138 unsigned int csr_size; /* Absolute value (not in MB) */
139 unsigned int lcl_apic_start_addr; /* Absolute value (not in MB) */
140 unsigned int lcl_apic_size; /* Absolute value (not in MB) */
141 unsigned int low_shrd_mem_base; /* 0 or 512MB or 1GB */
142 unsigned int low_shrd_mem_quad_offset; /* 0,128M,256M,512M,1G */
143 /* may not be totally populated */
144 unsigned int split_mem_enbl; /* 0 for no low shared memory */
145 unsigned int mmio_sz; /* Size of total system memory mapped I/O */
147 unsigned int quad_spin_lock; /* Spare location used for quad */
149 unsigned int nonzero55; /* For checksumming. */
150 unsigned int nonzeroaa; /* For checksumming. */
151 unsigned int scd_magic_number;
152 unsigned int system_type;
153 unsigned int checksum;
155 * memory configuration area for each quad
157 struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */
160 void numaq_tsc_disable(void);
163 static inline int get_memcfg_numaq(void)
167 #endif /* CONFIG_X86_NUMAQ */
168 #endif /* _ASM_X86_NUMAQ_H */