diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 10:50:33 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 10:50:33 +0100 |
commit | 353816f43d1fb340ff2d9a911dd5d0799c09f6a5 (patch) | |
tree | 517290fd884d286fe2971137ac89f89e3567785a /arch/sparc/kernel/cpu.c | |
parent | 160bbab3000dafccbe43688e48208cecf4deb879 (diff) | |
parent | fe0bdec68b77020281dc814805edfe594ae89e0f (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/arm/mach-pxa/corgi.c
arch/arm/mach-pxa/poodle.c
arch/arm/mach-pxa/spitz.c
Diffstat (limited to 'arch/sparc/kernel/cpu.c')
-rw-r--r-- | arch/sparc/kernel/cpu.c | 413 |
1 files changed, 292 insertions, 121 deletions
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index 1fc17f59c6b..6c2da2420f7 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -8,6 +8,8 @@ #include <linux/init.h> #include <linux/smp.h> #include <linux/threads.h> + +#include <asm/spitfire.h> #include <asm/oplib.h> #include <asm/page.h> #include <asm/head.h> @@ -15,153 +17,322 @@ #include <asm/mbus.h> #include <asm/cpudata.h> +#include "kernel.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_info { + int psr_vers; + const char *name; +}; + +struct fpu_info { + int fp_vers; + const char *name; }; -struct cpu_fp_info { - int psr_impl; - int fp_vers; - char* fp_name; +#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 CPU(ver, _name) \ +{ .psr_vers = ver, .name = _name } + +#define FPU(ver, _name) \ +{ .fp_vers = ver, .name = _name } + +static const struct manufacturer_info __initconst manufacturer_info[] = { +{ + 0, + /* Sun4/100, 4/200, SLC */ + .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) + } +},{ + 0x17, + .cpu_info = { + CPU(0x10, "TI UltraSparc I (SpitFire)"), + CPU(0x11, "TI UltraSparc II (BlackBird)"), + CPU(0x12, "TI UltraSparc IIi (Sabre)"), + CPU(0x13, "TI UltraSparc IIe (Hummingbird)"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0x10, "UltraSparc I integrated FPU"), + FPU(0x11, "UltraSparc II integrated FPU"), + FPU(0x12, "UltraSparc IIi integrated FPU"), + FPU(0x13, "UltraSparc IIe integrated FPU"), + FPU(-1, NULL) + } +},{ + 0x22, + .cpu_info = { + CPU(0x10, "TI UltraSparc I (SpitFire)"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0x10, "UltraSparc I integrated FPU"), + FPU(-1, NULL) + } +},{ + 0x3e, + .cpu_info = { + CPU(0x14, "TI UltraSparc III (Cheetah)"), + CPU(0x15, "TI UltraSparc III+ (Cheetah+)"), + CPU(0x16, "TI UltraSparc IIIi (Jalapeno)"), + CPU(0x18, "TI UltraSparc IV (Jaguar)"), + CPU(0x19, "TI UltraSparc IV+ (Panther)"), + CPU(0x22, "TI UltraSparc IIIi+ (Serrano)"), + CPU(-1, NULL) + }, + .fpu_info = { + FPU(0x14, "UltraSparc III integrated FPU"), + FPU(0x15, "UltraSparc III+ integrated FPU"), + FPU(0x16, "UltraSparc IIIi integrated FPU"), + FPU(0x18, "UltraSparc IV integrated FPU"), + FPU(0x19, "UltraSparc IV+ integrated FPU"), + FPU(0x22, "UltraSparc IIIi+ integrated FPU"), + FPU(-1, NULL) + } +}}; + /* 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"}, -}; +const char *sparc_cpu_type; +const char *sparc_fpu_type; -#define NSPARCCHIPS ARRAY_SIZE(linux_sparc_chips) +unsigned int fsr_storage; -char *sparc_cpu_type; -char *sparc_fpu_type; +static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers) +{ + 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; -unsigned int fsr_storage; + 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 (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"; + } + 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"; + } +} +#ifdef CONFIG_SPARC32 void __cpuinit cpu_probe(void) { int psr_impl, psr_vers, fpu_vers; - int i, psr; + int psr; - psr_impl = ((get_psr()>>28)&0xf); - psr_vers = ((get_psr()>>24)&0xf); + 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); + 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; - } - } + set_cpu_and_fpu(psr_impl, psr_vers, fpu_vers); +} +#else +static void __init sun4v_cpu_probe(void) +{ + switch (sun4v_chip_type) { + case SUN4V_CHIP_NIAGARA1: + sparc_cpu_type = "UltraSparc T1 (Niagara)"; + sparc_fpu_type = "UltraSparc T1 integrated FPU"; + break; - if(i==NSPARCCHIPS) - printk("DEBUG: psr.impl = 0x%x psr.vers = 0x%x\n", psr_impl, - psr_vers); + case SUN4V_CHIP_NIAGARA2: + sparc_cpu_type = "UltraSparc T2 (Niagara2)"; + sparc_fpu_type = "UltraSparc T2 integrated FPU"; + break; - 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; - } + default: + printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n", + prom_cpu_compatible); + sparc_cpu_type = "Unknown SUN4V CPU"; + sparc_fpu_type = "Unknown SUN4V FPU"; + break; } +} + +static int __init cpu_type_probe(void) +{ + if (tlb_type == hypervisor) { + sun4v_cpu_probe(); + } else { + unsigned long ver; + int manuf, impl; - 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; + __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver)); + + manuf = ((ver >> 48) & 0xffff); + impl = ((ver >> 32) & 0xffff); + set_cpu_and_fpu(manuf, impl, impl); } + return 0; } + +arch_initcall(cpu_type_probe); +#endif |