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/*
* BK Id: %F% %I% %G% %U% %#%
*/
/*
* arch/ppc/kernel/cputable.c
*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
*
* 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/config.h>
#include <linux/string.h>
#include <linux/sched.h>
#include <linux/threads.h>
#include <linux/init.h>
#include <asm/cputable.h>
struct cpu_spec* cur_cpu_spec[NR_CPUS];
extern void __setup_cpu_601(int cpu_nr);
extern void __setup_cpu_603(int cpu_nr);
extern void __setup_cpu_604(int cpu_nr);
extern void __setup_cpu_750(int cpu_nr);
extern void __setup_cpu_7400(int cpu_nr);
extern void __setup_cpu_7410(int cpu_nr);
extern void __setup_cpu_7450(int cpu_nr);
extern void __setup_cpu_power3(int cpu_nr);
extern void __setup_cpu_power4(int cpu_nr);
extern void __setup_cpu_8xx(int cpu_nr);
extern void __setup_cpu_generic(int cpu_nr);
#define CLASSIC_PPC (!defined(CONFIG_8xx) && \
!defined(CONFIG_4xx) && !defined(CONFIG_POWER3) && \
!defined(CONFIG_POWER4) && !defined(CONFIG_PPC_ISERIES))
/* This table only contains "desktop" CPUs, it need to be filled with embedded
* ones as well...
*/
#define COMMON_PPC (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \
PPC_FEATURE_HAS_MMU)
/* We only set the altivec features if the kernel was compiled with altivec
* support
*/
#ifdef CONFIG_ALTIVEC
#define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
#else
#define CPU_FTR_ALTIVEC_COMP 0
#endif
struct cpu_spec cpu_specs[] = {
#if CLASSIC_PPC
{ /* 601 */
0xffff0000, 0x00010000, "601",
CPU_FTR_601 | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_601_INSTR | PPC_FEATURE_UNIFIED_CACHE,
32, 32,
__setup_cpu_601
},
{ /* 603 */
0xffff0000, 0x00030000, "603",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB,
COMMON_PPC,
32, 32,
__setup_cpu_603
},
{ /* 603e */
0xffff0000, 0x00060000, "603e",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB,
COMMON_PPC,
32, 32,
__setup_cpu_603
},
{ /* 603ev */
0xffff0000, 0x00070000, "603ev",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB,
COMMON_PPC,
32, 32,
__setup_cpu_603
},
{ /* 604 */
0xffff0000, 0x00040000, "604",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON |
CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_604
},
{ /* 604e */
0xfffff000, 0x00090000, "604e",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON |
CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_604
},
{ /* 604r */
0xffff0000, 0x00090000, "604r",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON |
CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_604
},
{ /* 604ev */
0xffff0000, 0x000a0000, "604ev",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON |
CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_604
},
{ /* 740/750 (0x4202, don't support TAU ?) */
0xffffffff, 0x00084202, "740/750",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_750
},
{ /* 745/755 */
0xfffff000, 0x00083000, "745/755",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_750
},
{ /* 750CX */
0xffffff00, 0x00082200, "750CX",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_750
},
{ /* 740/750 (L2CR bit need fixup for 740) */
0xffff0000, 0x00080000, "740/750",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_750
},
{ /* 7400 rev 1.1 ? (no TAU) */
0xffffffff, 0x000c1101, "7400 (1.1)",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_HAS_ALTIVEC,
32, 32,
__setup_cpu_7400
},
{ /* 7400 */
0xffff0000, 0x000c0000, "7400",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_HAS_ALTIVEC,
32, 32,
__setup_cpu_7400
},
{ /* 7410 */
0xffff0000, 0x800c0000, "7410",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_HAS_ALTIVEC,
32, 32,
__setup_cpu_7410
},
{ /* 7450 2.0 - no doze/nap */
0xffffffff, 0x80000200, "7450",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP |
CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450,
COMMON_PPC | PPC_FEATURE_HAS_ALTIVEC,
32, 32,
__setup_cpu_7450
},
{ /* 7450 others */
0xffff0000, 0x80000000, "7450",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB |
CPU_FTR_L2CR | CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP |
CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450,
COMMON_PPC | PPC_FEATURE_HAS_ALTIVEC,
32, 32,
__setup_cpu_7450
},
{ /* 82xx (8240, 8245, 8260 are all 603e cores) */
0x7fff0000, 0x00810000, "82xx",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_CAN_DOZE | CPU_FTR_USE_TB,
COMMON_PPC,
32, 32,
__setup_cpu_603
},
{ /* default match, we assume split I/D cache & TB (non-601)... */
0x00000000, 0x00000000, "(generic PPC)",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC,
32, 32,
__setup_cpu_generic
},
#endif /* CLASSIC_PPC */
#ifdef CONFIG_PPC64BRIDGE
{ /* Power3 */
0xffff0000, 0x00400000, "Power3 (630)",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_64,
128, 128,
__setup_cpu_power3
},
{ /* Power3+ */
0xffff0000, 0x00410000, "Power3 (630+)",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_64,
128, 128,
__setup_cpu_power3
},
{ /* I-star */
0xffff0000, 0x00360000, "I-star",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_64,
128, 128,
__setup_cpu_power3
},
{ /* S-star */
0xffff0000, 0x00370000, "S-star",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_64,
128, 128,
__setup_cpu_power3
},
#endif /* CONFIG_PPC64BRIDGE */
#ifdef CONFIG_POWER4
{ /* Power4 */
0xffff0000, 0x00350000, "Power4",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
COMMON_PPC | PPC_FEATURE_64,
128, 128,
__setup_cpu_power4
},
#endif /* CONFIG_POWER4 */
#ifdef CONFIG_8xx
{ /* 8xx */
0xffff0000, 0x00500000, "8xx",
/* CPU_FTR_CAN_DOZE is possible, if the 8xx code is there.... */
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
16, 16,
__setup_cpu_8xx /* Empty */
},
#endif /* CONFIG_8xx */
#ifdef CONFIG_4xx
{ /* 403GC */
0xffffff00, 0x00200200, "403GC",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
16, 16,
0, /*__setup_cpu_403 */
},
{ /* 403GCX */
0xffffff00, 0x00201400, "403GCX",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
16, 16,
0, /*__setup_cpu_403 */
},
{ /* 403G ?? */
0xffff0000, 0x00200000, "403G ??",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
16, 16,
0, /*__setup_cpu_403 */
},
{ /* 405GP */
0xffff0000, 0x40110000, "405GP",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
32, 32,
0, /*__setup_cpu_405 */
},
{ /* STB 03xxx */
0xffff0000, 0x40130000, "STB03xxx",
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
32, 32,
0, /*__setup_cpu_405 */
},
#endif /* CONFIG_4xx */
#if !CLASSIC_PPC
{ /* default match */
0x00000000, 0x00000000, "(generic PPC)",
0,
PPC_FEATURE_32,
32, 32,
0,
}
#endif /* !CLASSIC_PPC */
};
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