diff options
Diffstat (limited to 'arch/sparc/kernel/cpu_64.c')
-rw-r--r-- | arch/sparc/kernel/cpu_64.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/sparc/kernel/cpu_64.c b/arch/sparc/kernel/cpu_64.c deleted file mode 100644 index 4a81ed74447..00000000000 --- a/arch/sparc/kernel/cpu_64.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, 2007, 2008 David S. Miller (davem@davemloft.net) - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <asm/asi.h> -#include <asm/system.h> -#include <asm/fpumacro.h> -#include <asm/cpudata.h> -#include <asm/spitfire.h> -#include <asm/oplib.h> - -#include "entry.h" -#include "kernel.h" - -DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 }; - -struct cpu_chip_info { - unsigned short manuf; - unsigned short impl; - const char *cpu_name; - const char *fp_name; -}; - -static const struct cpu_chip_info cpu_chips[] = { - { - .manuf = 0x17, - .impl = 0x10, - .cpu_name = "TI UltraSparc I (SpitFire)", - .fp_name = "UltraSparc I integrated FPU", - }, - { - .manuf = 0x22, - .impl = 0x10, - .cpu_name = "TI UltraSparc I (SpitFire)", - .fp_name = "UltraSparc I integrated FPU", - }, - { - .manuf = 0x17, - .impl = 0x11, - .cpu_name = "TI UltraSparc II (BlackBird)", - .fp_name = "UltraSparc II integrated FPU", - }, - { - .manuf = 0x17, - .impl = 0x12, - .cpu_name = "TI UltraSparc IIi (Sabre)", - .fp_name = "UltraSparc IIi integrated FPU", - }, - { - .manuf = 0x17, - .impl = 0x13, - .cpu_name = "TI UltraSparc IIe (Hummingbird)", - .fp_name = "UltraSparc IIe integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x14, - .cpu_name = "TI UltraSparc III (Cheetah)", - .fp_name = "UltraSparc III integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x15, - .cpu_name = "TI UltraSparc III+ (Cheetah+)", - .fp_name = "UltraSparc III+ integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x16, - .cpu_name = "TI UltraSparc IIIi (Jalapeno)", - .fp_name = "UltraSparc IIIi integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x18, - .cpu_name = "TI UltraSparc IV (Jaguar)", - .fp_name = "UltraSparc IV integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x19, - .cpu_name = "TI UltraSparc IV+ (Panther)", - .fp_name = "UltraSparc IV+ integrated FPU", - }, - { - .manuf = 0x3e, - .impl = 0x22, - .cpu_name = "TI UltraSparc IIIi+ (Serrano)", - .fp_name = "UltraSparc IIIi+ integrated FPU", - }, -}; - -#define NSPARCCHIPS ARRAY_SIZE(linux_sparc_chips) - -const char *sparc_cpu_type; -const char *sparc_fpu_type; - -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; - - case SUN4V_CHIP_NIAGARA2: - sparc_cpu_type = "UltraSparc T2 (Niagara2)"; - sparc_fpu_type = "UltraSparc T2 integrated FPU"; - 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 const struct cpu_chip_info * __init find_cpu_chip(unsigned short manuf, - unsigned short impl) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(cpu_chips); i++) { - const struct cpu_chip_info *p = &cpu_chips[i]; - - if (p->manuf == manuf && p->impl == impl) - return p; - } - return NULL; -} - -static int __init cpu_type_probe(void) -{ - if (tlb_type == hypervisor) { - sun4v_cpu_probe(); - } else { - unsigned long ver, manuf, impl; - const struct cpu_chip_info *p; - - __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver)); - - manuf = ((ver >> 48) & 0xffff); - impl = ((ver >> 32) & 0xffff); - - p = find_cpu_chip(manuf, impl); - if (p) { - sparc_cpu_type = p->cpu_name; - sparc_fpu_type = p->fp_name; - } else { - printk(KERN_ERR "CPU: Unknown chip, manuf[%lx] impl[%lx]\n", - manuf, impl); - sparc_cpu_type = "Unknown CPU"; - sparc_fpu_type = "Unknown FPU"; - } - } - return 0; -} - -arch_initcall(cpu_type_probe); |