diff options
Diffstat (limited to 'arch/sparc/kernel/cpu_32.c')
| -rw-r--r-- | arch/sparc/kernel/cpu_32.c | 319 |
1 files changed, 195 insertions, 124 deletions
diff --git a/arch/sparc/kernel/cpu_32.c b/arch/sparc/kernel/cpu_32.c index 4e14240f9ce3..60528227e591 100644 --- a/arch/sparc/kernel/cpu_32.c +++ b/arch/sparc/kernel/cpu_32.c @@ -19,158 +19,229 @@ DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 }; -struct cpu_iu_info { - int psr_impl; +struct cpu_info { int psr_vers; - char *cpu_name; /* should be enough I hope... */ + const char *name; }; -struct cpu_fp_info { - int psr_impl; +struct fpu_info { int fp_vers; - char *fp_name; + const char *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. - */ -#define CPU_FP(psr, ver, name) \ -{ .psr_impl = (psr), .fp_vers = (ver), .fp_name = (name) } -static struct cpu_fp_info linux_sparc_fpu[] = { - CPU_FP(0, 0, "Fujitsu MB86910 or Weitek WTL1164/5"), - CPU_FP(0, 1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"), - CPU_FP(0, 2, "LSI Logic L64802 or Texas Instruments ACT8847"), - /* SparcStation SLC, SparcStation1 */ - CPU_FP(0, 3, "Weitek WTL3170/2"), - /* SPARCstation-5 */ - CPU_FP(0, 4, "Lsi Logic/Meiko L64804 or compatible"), - CPU_FP(0, 5, "reserved"), - CPU_FP(0, 6, "reserved"), - CPU_FP(0, 7, "No FPU"), - CPU_FP(1, 0, "ROSS HyperSparc combined IU/FPU"), - CPU_FP(1, 1, "Lsi Logic L64814"), - CPU_FP(1, 2, "Texas Instruments TMS390-C602A"), - CPU_FP(1, 3, "Cypress CY7C602 FPU"), - CPU_FP(1, 4, "reserved"), - CPU_FP(1, 5, "reserved"), - CPU_FP(1, 6, "reserved"), - CPU_FP(1, 7, "No FPU"), - CPU_FP(2, 0, "BIT B5010 or B5110/20 or B5210"), - CPU_FP(2, 1, "reserved"), - CPU_FP(2, 2, "reserved"), - CPU_FP(2, 3, "reserved"), - CPU_FP(2, 4, "reserved"), - CPU_FP(2, 5, "reserved"), - CPU_FP(2, 6, "reserved"), - CPU_FP(2, 7, "No FPU"), - /* SuperSparc 50 module */ - CPU_FP(4, 0, "SuperSparc on-chip FPU"), - /* SparcClassic */ - CPU_FP(4, 4, "TI MicroSparc on chip FPU"), - CPU_FP(5, 0, "Matsushita MN10501"), - CPU_FP(5, 1, "reserved"), - CPU_FP(5, 2, "reserved"), - CPU_FP(5, 3, "reserved"), - CPU_FP(5, 4, "reserved"), - CPU_FP(5, 5, "reserved"), - CPU_FP(5, 6, "reserved"), - CPU_FP(5, 7, "No FPU"), - CPU_FP(9, 3, "Fujitsu or Weitek on-chip FPU"), +#define NOCPU 8 +#define NOFPU 8 + +struct manufacturer_info { + int psr_impl; + struct cpu_info cpu_info[NOCPU]; + struct fpu_info fpu_info[NOFPU]; }; -#define NSPARCFPU ARRAY_SIZE(linux_sparc_fpu) +#define CPU(ver, _name) \ +{ .psr_vers = ver, .name = _name } + +#define FPU(ver, _name) \ +{ .fp_vers = ver, .name = _name } -#define CPU_INFO(psr, ver, name) \ -{ .psr_impl = (psr), .psr_vers = (ver), .cpu_name = (name) } -static struct cpu_iu_info linux_sparc_chips[] = { +static const struct manufacturer_info __initconst manufacturer_info[] = { +{ + 0, /* Sun4/100, 4/200, SLC */ - CPU_INFO(0, 0, "Fujitsu MB86900/1A or LSI L64831 SparcKIT-40"), - /* borned STP1012PGA */ - CPU_INFO(0, 4, "Fujitsu MB86904"), - CPU_INFO(0, 5, "Fujitsu TurboSparc MB86907"), - /* SparcStation2, SparcServer 490 & 690 */ - CPU_INFO(1, 0, "LSI Logic Corporation - L64811"), - /* SparcStation2 */ - CPU_INFO(1, 1, "Cypress/ROSS CY7C601"), - /* Embedded controller */ - CPU_INFO(1, 3, "Cypress/ROSS CY7C611"), - /* Ross Technologies HyperSparc */ - CPU_INFO(1, 0xf, "ROSS HyperSparc RT620"), - CPU_INFO(1, 0xe, "ROSS HyperSparc RT625 or RT626"), - /* ECL Implementation, CRAY S-MP Supercomputer... AIEEE! */ - /* Someone please write the code to support this beast! ;) */ - CPU_INFO(2, 0, "Bipolar Integrated Technology - B5010"), - CPU_INFO(3, 0, "LSI Logic Corporation - unknown-type"), - CPU_INFO(4, 0, "Texas Instruments, Inc. - SuperSparc-(II)"), - /* SparcClassic -- borned STP1010TAB-50*/ - CPU_INFO(4, 1, "Texas Instruments, Inc. - MicroSparc"), - CPU_INFO(4, 2, "Texas Instruments, Inc. - MicroSparc II"), - CPU_INFO(4, 3, "Texas Instruments, Inc. - SuperSparc 51"), - CPU_INFO(4, 4, "Texas Instruments, Inc. - SuperSparc 61"), - CPU_INFO(4, 5, "Texas Instruments, Inc. - unknown"), - CPU_INFO(5, 0, "Matsushita - MN10501"), - CPU_INFO(6, 0, "Philips Corporation - unknown"), - CPU_INFO(7, 0, "Harvest VLSI Design Center, Inc. - unknown"), - /* Gallium arsenide 200MHz, BOOOOGOOOOMIPS!!! */ - CPU_INFO(8, 0, "Systems and Processes Engineering Corporation (SPEC)"), - CPU_INFO(9, 0, "Fujitsu or Weitek Power-UP"), - CPU_INFO(9, 1, "Fujitsu or Weitek Power-UP"), - CPU_INFO(9, 2, "Fujitsu or Weitek Power-UP"), - CPU_INFO(9, 3, "Fujitsu or Weitek Power-UP"), - CPU_INFO(0xa, 0, "UNKNOWN CPU-VENDOR/TYPE"), - CPU_INFO(0xb, 0, "UNKNOWN CPU-VENDOR/TYPE"), - CPU_INFO(0xc, 0, "UNKNOWN CPU-VENDOR/TYPE"), - CPU_INFO(0xd, 0, "UNKNOWN CPU-VENDOR/TYPE"), - CPU_INFO(0xe, 0, "UNKNOWN CPU-VENDOR/TYPE"), - CPU_INFO(0xf, 0, "UNKNOWN CPU-VENDOR/TYPE"), -}; + .cpu_info = { + CPU(0, "Fujitsu MB86900/1A or LSI L64831 SparcKIT-40"), + /* borned STP1012PGA */ + CPU(4, "Fujitsu MB86904"), + CPU(5, "Fujitsu TurboSparc MB86907"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0, "Fujitsu MB86910 or Weitek WTL1164/5"), + FPU(1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"), + FPU(2, "LSI Logic L64802 or Texas Instruments ACT8847"), + /* SparcStation SLC, SparcStation1 */ + FPU(3, "Weitek WTL3170/2"), + /* SPARCstation-5 */ + FPU(4, "Lsi Logic/Meiko L64804 or compatible"), + FPU(-1, NULL) + } +},{ + 1, + .cpu_info = { + /* SparcStation2, SparcServer 490 & 690 */ + CPU(0, "LSI Logic Corporation - L64811"), + /* SparcStation2 */ + CPU(1, "Cypress/ROSS CY7C601"), + /* Embedded controller */ + CPU(3, "Cypress/ROSS CY7C611"), + /* Ross Technologies HyperSparc */ + CPU(0xf, "ROSS HyperSparc RT620"), + CPU(0xe, "ROSS HyperSparc RT625 or RT626"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0, "ROSS HyperSparc combined IU/FPU"), + FPU(1, "Lsi Logic L64814"), + FPU(2, "Texas Instruments TMS390-C602A"), + FPU(3, "Cypress CY7C602 FPU"), + FPU(-1, NULL) + } +},{ + 2, + .cpu_info = { + /* ECL Implementation, CRAY S-MP Supercomputer... AIEEE! */ + /* Someone please write the code to support this beast! ;) */ + CPU(0, "Bipolar Integrated Technology - B5010"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(-1, NULL) + } +},{ + 3, + .cpu_info = { + CPU(0, "LSI Logic Corporation - unknown-type"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(-1, NULL) + } +},{ + 4, + .cpu_info = { + CPU(0, "Texas Instruments, Inc. - SuperSparc-(II)"), + /* SparcClassic -- borned STP1010TAB-50*/ + CPU(1, "Texas Instruments, Inc. - MicroSparc"), + CPU(2, "Texas Instruments, Inc. - MicroSparc II"), + CPU(3, "Texas Instruments, Inc. - SuperSparc 51"), + CPU(4, "Texas Instruments, Inc. - SuperSparc 61"), + CPU(5, "Texas Instruments, Inc. - unknown"), + CPU(-1, NULL) + }, + .fpu_info = { + /* SuperSparc 50 module */ + FPU(0, "SuperSparc on-chip FPU"), + /* SparcClassic */ + FPU(4, "TI MicroSparc on chip FPU"), + FPU(-1, NULL) + } +},{ + 5, + .cpu_info = { + CPU(0, "Matsushita - MN10501"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0, "Matsushita MN10501"), + FPU(-1, NULL) + } +},{ + 6, + .cpu_info = { + CPU(0, "Philips Corporation - unknown"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(-1, NULL) + } +},{ + 7, + .cpu_info = { + CPU(0, "Harvest VLSI Design Center, Inc. - unknown"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(-1, NULL) + } +},{ + 8, + .cpu_info = { + CPU(0, "Systems and Processes Engineering Corporation (SPEC)"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(-1, NULL) + } +},{ + 9, + .cpu_info = { + /* Gallium arsenide 200MHz, BOOOOGOOOOMIPS!!! */ + CPU(0, "Fujitsu or Weitek Power-UP"), + CPU(1, "Fujitsu or Weitek Power-UP"), + CPU(2, "Fujitsu or Weitek Power-UP"), + CPU(3, "Fujitsu or Weitek Power-UP"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(3, "Fujitsu or Weitek on-chip FPU"), + FPU(-1, NULL) + } +}}; -#define NSPARCCHIPS ARRAY_SIZE(linux_sparc_chips) +/* 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. + */ const char *sparc_cpu_type; const char *sparc_fpu_type; unsigned int fsr_storage; -void __cpuinit cpu_probe(void) +static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers) { - 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; + sparc_cpu_type = NULL; + sparc_fpu_type = NULL; + if (psr_impl < ARRAY_SIZE(manufacturer_info)) + { + const struct cpu_info *cpu; + const struct fpu_info *fpu; + + cpu = &manufacturer_info[psr_impl].cpu_info[0]; + while (cpu->psr_vers != -1) + { + if (cpu->psr_vers == psr_vers) { + sparc_cpu_type = cpu->name; + sparc_fpu_type = "No FPU"; + break; + } + cpu++; + } + fpu = &manufacturer_info[psr_impl].fpu_info[0]; + while (fpu->fp_vers != -1) + { + if (fpu->fp_vers == fpu_vers) { + sparc_fpu_type = fpu->name; break; } + fpu++; + } } - - if (i == NSPARCCHIPS) + if (sparc_cpu_type == NULL) { printk(KERN_ERR "CPU: Unknown chip, impl[0x%x] vers[0x%x]\n", psr_impl, psr_vers); sparc_cpu_type = "Unknown CPU"; } - - 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) { + if (sparc_fpu_type == NULL) + { printk(KERN_ERR "FPU: Unknown chip, impl[0x%x] vers[0x%x]\n", psr_impl, fpu_vers); sparc_fpu_type = "Unknown FPU"; } } + +void __cpuinit cpu_probe(void) +{ + int psr_impl, psr_vers, fpu_vers; + int 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); + + set_cpu_and_fpu(psr_impl, psr_vers, fpu_vers); +} |