diff options
Diffstat (limited to 'arch/sparc/kernel/cpu.c')
-rw-r--r-- | arch/sparc/kernel/cpu.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c deleted file mode 100644 index 1fc17f5..0000000 --- a/arch/sparc/kernel/cpu.c +++ /dev/null @@ -1,167 +0,0 @@ -/* cpu.c: Dinky routines to look for the kind of Sparc cpu - * we are on. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/threads.h> -#include <asm/oplib.h> -#include <asm/page.h> -#include <asm/head.h> -#include <asm/psr.h> -#include <asm/mbus.h> -#include <asm/cpudata.h> - -DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 }; - -struct cpu_iu_info { - int psr_impl; - int psr_vers; - char* cpu_name; /* should be enough I hope... */ -}; - -struct cpu_fp_info { - int psr_impl; - int fp_vers; - char* fp_name; -}; - -/* In order to get the fpu type correct, you need to take the IDPROM's - * machine type value into consideration too. I will fix this. - */ -static struct cpu_fp_info linux_sparc_fpu[] = { - { 0, 0, "Fujitsu MB86910 or Weitek WTL1164/5"}, - { 0, 1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"}, - { 0, 2, "LSI Logic L64802 or Texas Instruments ACT8847"}, - /* SparcStation SLC, SparcStation1 */ - { 0, 3, "Weitek WTL3170/2"}, - /* SPARCstation-5 */ - { 0, 4, "Lsi Logic/Meiko L64804 or compatible"}, - { 0, 5, "reserved"}, - { 0, 6, "reserved"}, - { 0, 7, "No FPU"}, - { 1, 0, "ROSS HyperSparc combined IU/FPU"}, - { 1, 1, "Lsi Logic L64814"}, - { 1, 2, "Texas Instruments TMS390-C602A"}, - { 1, 3, "Cypress CY7C602 FPU"}, - { 1, 4, "reserved"}, - { 1, 5, "reserved"}, - { 1, 6, "reserved"}, - { 1, 7, "No FPU"}, - { 2, 0, "BIT B5010 or B5110/20 or B5210"}, - { 2, 1, "reserved"}, - { 2, 2, "reserved"}, - { 2, 3, "reserved"}, - { 2, 4, "reserved"}, - { 2, 5, "reserved"}, - { 2, 6, "reserved"}, - { 2, 7, "No FPU"}, - /* SuperSparc 50 module */ - { 4, 0, "SuperSparc on-chip FPU"}, - /* SparcClassic */ - { 4, 4, "TI MicroSparc on chip FPU"}, - { 5, 0, "Matsushita MN10501"}, - { 5, 1, "reserved"}, - { 5, 2, "reserved"}, - { 5, 3, "reserved"}, - { 5, 4, "reserved"}, - { 5, 5, "reserved"}, - { 5, 6, "reserved"}, - { 5, 7, "No FPU"}, - { 9, 3, "Fujitsu or Weitek on-chip FPU"}, -}; - -#define NSPARCFPU ARRAY_SIZE(linux_sparc_fpu) - -static struct cpu_iu_info linux_sparc_chips[] = { - /* Sun4/100, 4/200, SLC */ - { 0, 0, "Fujitsu MB86900/1A or LSI L64831 SparcKIT-40"}, - /* borned STP1012PGA */ - { 0, 4, "Fujitsu MB86904"}, - { 0, 5, "Fujitsu TurboSparc MB86907"}, - /* SparcStation2, SparcServer 490 & 690 */ - { 1, 0, "LSI Logic Corporation - L64811"}, - /* SparcStation2 */ - { 1, 1, "Cypress/ROSS CY7C601"}, - /* Embedded controller */ - { 1, 3, "Cypress/ROSS CY7C611"}, - /* Ross Technologies HyperSparc */ - { 1, 0xf, "ROSS HyperSparc RT620"}, - { 1, 0xe, "ROSS HyperSparc RT625 or RT626"}, - /* ECL Implementation, CRAY S-MP Supercomputer... AIEEE! */ - /* Someone please write the code to support this beast! ;) */ - { 2, 0, "Bipolar Integrated Technology - B5010"}, - { 3, 0, "LSI Logic Corporation - unknown-type"}, - { 4, 0, "Texas Instruments, Inc. - SuperSparc-(II)"}, - /* SparcClassic -- borned STP1010TAB-50*/ - { 4, 1, "Texas Instruments, Inc. - MicroSparc"}, - { 4, 2, "Texas Instruments, Inc. - MicroSparc II"}, - { 4, 3, "Texas Instruments, Inc. - SuperSparc 51"}, - { 4, 4, "Texas Instruments, Inc. - SuperSparc 61"}, - { 4, 5, "Texas Instruments, Inc. - unknown"}, - { 5, 0, "Matsushita - MN10501"}, - { 6, 0, "Philips Corporation - unknown"}, - { 7, 0, "Harvest VLSI Design Center, Inc. - unknown"}, - /* Gallium arsenide 200MHz, BOOOOGOOOOMIPS!!! */ - { 8, 0, "Systems and Processes Engineering Corporation (SPEC)"}, - { 9, 0, "Fujitsu or Weitek Power-UP"}, - { 9, 1, "Fujitsu or Weitek Power-UP"}, - { 9, 2, "Fujitsu or Weitek Power-UP"}, - { 9, 3, "Fujitsu or Weitek Power-UP"}, - { 0xa, 0, "UNKNOWN CPU-VENDOR/TYPE"}, - { 0xb, 0, "UNKNOWN CPU-VENDOR/TYPE"}, - { 0xc, 0, "UNKNOWN CPU-VENDOR/TYPE"}, - { 0xd, 0, "UNKNOWN CPU-VENDOR/TYPE"}, - { 0xe, 0, "UNKNOWN CPU-VENDOR/TYPE"}, - { 0xf, 0, "UNKNOWN CPU-VENDOR/TYPE"}, -}; - -#define NSPARCCHIPS ARRAY_SIZE(linux_sparc_chips) - -char *sparc_cpu_type; -char *sparc_fpu_type; - -unsigned int fsr_storage; - -void __cpuinit cpu_probe(void) -{ - int psr_impl, psr_vers, fpu_vers; - int i, psr; - - psr_impl = ((get_psr()>>28)&0xf); - psr_vers = ((get_psr()>>24)&0xf); - - psr = get_psr(); - put_psr(psr | PSR_EF); - fpu_vers = ((get_fsr()>>17)&0x7); - put_psr(psr); - - for(i = 0; i<NSPARCCHIPS; i++) { - if(linux_sparc_chips[i].psr_impl == psr_impl) - if(linux_sparc_chips[i].psr_vers == psr_vers) { - sparc_cpu_type = linux_sparc_chips[i].cpu_name; - break; - } - } - - if(i==NSPARCCHIPS) - printk("DEBUG: psr.impl = 0x%x psr.vers = 0x%x\n", psr_impl, - psr_vers); - - for(i = 0; i<NSPARCFPU; i++) { - if(linux_sparc_fpu[i].psr_impl == psr_impl) - if(linux_sparc_fpu[i].fp_vers == fpu_vers) { - sparc_fpu_type = linux_sparc_fpu[i].fp_name; - break; - } - } - - if(i == NSPARCFPU) { - printk("DEBUG: psr.impl = 0x%x fsr.vers = 0x%x\n", psr_impl, - fpu_vers); - sparc_fpu_type = linux_sparc_fpu[31].fp_name; - } -} |