1 /* 1 2 * This file is subject to the terms and condi 3 * License. See the file "COPYING" in the mai 4 * for more details. 5 * 6 * SGI IP27 specific setup. 7 * 8 * Copyright (C) 1995 - 1997, 1999 Silcon Grap 9 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.o 10 */ 11 #ifndef _ASM_SN_SN0_ARCH_H 12 #define _ASM_SN_SN0_ARCH_H 13 14 15 /* 16 * MAXCPUS refers to the maximum number of CPU 17 * This is not necessarily the same as MAXNODE 18 */ 19 #define MAXCPUS (MAX_NUMNODES 20 21 /* 22 * This is the maximum number of NASIDS that c 23 * (Highest NASID plus one.) 24 */ 25 #define MAX_NASIDS 256 26 27 /* 28 * MAX_REGIONS refers to the maximum number of 29 */ 30 #define MAX_REGIONS 64 31 #define MAX_NONPREMIUM_REGIONS 16 32 #define MAX_PREMIUM_REGIONS MAX_REGIONS 33 34 /* 35 * MAX_PARITIONS refers to the maximum number 36 * partitions the system can support. 37 */ 38 #define MAX_PARTITIONS MAX_REGIONS 39 40 #define NASID_MASK_BYTES ((MAX_NASIDS + 41 42 /* 43 * Slot constants for SN0 44 */ 45 #ifdef CONFIG_SGI_SN_N_MODE 46 #define MAX_MEM_SLOTS 16 47 #else /* !CONFIG_SGI_SN_N_MODE, assume CONFIG_ 48 #define MAX_MEM_SLOTS 32 49 #endif /* CONFIG_SGI_SN_M_MODE */ 50 51 #define SLOT_SHIFT (27) 52 #define SLOT_MIN_MEM_SIZE (32*1024*1024) 53 54 #define CPUS_PER_NODE 2 /* CPU 55 56 #endif /* _ASM_SN_SN0_ARCH_H */ 57
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