70 	struct cpuinfo_mips *c = &current_cpu_data;  in cpu_probe()  local
79 	c->processor_id = PRID_IMP_UNKNOWN;  in cpu_probe()
80 	c->fpu_id	= FPIR_IMP_NONE;  in cpu_probe()
81 	c->cputype	= CPU_UNKNOWN;  in cpu_probe()
82 	c->writecombine = _CACHE_UNCACHED;  in cpu_probe()
84 	c->fpu_csr31	= FPU_CSR_RN;  in cpu_probe()
85 	c->fpu_msk31	= FPU_CSR_RSVD | FPU_CSR_ABS2008 | FPU_CSR_NAN2008 |  in cpu_probe()
88 	c->srsets = 1;  in cpu_probe()
90 	c->processor_id = read_c0_prid();  in cpu_probe()
91 	switch (c->processor_id & (PRID_COMP_MASK | PRID_IMP_MASK)) {  in cpu_probe()
93 		c->cputype = CPU_R2000;  in cpu_probe()
95 		c->options = MIPS_CPU_TLB | MIPS_CPU_3K_CACHE |  in cpu_probe()
98 			c->options |= MIPS_CPU_FPU;  in cpu_probe()
99 		c->tlbsize = 64;  in cpu_probe()
102 		if ((c->processor_id & PRID_REV_MASK) == PRID_REV_R3000A) {  in cpu_probe()
104 				c->cputype = CPU_R3081E;  in cpu_probe()
107 				c->cputype = CPU_R3000A;  in cpu_probe()
111 			c->cputype = CPU_R3000;  in cpu_probe()
114 		c->options = MIPS_CPU_TLB | MIPS_CPU_3K_CACHE |  in cpu_probe()
117 			c->options |= MIPS_CPU_FPU;  in cpu_probe()
118 		c->tlbsize = 64;  in cpu_probe()
121 		c->options = MIPS_CPU_TLB | MIPS_CPU_TX39_CACHE;  in cpu_probe()
123 		if ((c->processor_id & 0xf0) == (PRID_REV_TX3927 & 0xf0)) {  in cpu_probe()
124 			c->cputype = CPU_TX3927;  in cpu_probe()
126 			c->tlbsize = 64;  in cpu_probe()
128 			switch (c->processor_id & PRID_REV_MASK) {  in cpu_probe()
130 				c->cputype = CPU_TX3912;  in cpu_probe()
132 				c->tlbsize = 32;  in cpu_probe()
135 				c->cputype = CPU_TX3922;  in cpu_probe()
137 				c->tlbsize = 64;  in cpu_probe()
145 	BUG_ON(c->cputype == CPU_UNKNOWN);  in cpu_probe()
152 	BUG_ON(current_cpu_type() != c->cputype);  in cpu_probe()
155 		c->options &= ~MIPS_CPU_FPU;  in cpu_probe()
157 	if (c->options & MIPS_CPU_FPU)  in cpu_probe()
158 		cpu_set_fpu_opts(c);  in cpu_probe()
160 		cpu_set_nofpu_opts(c);  in cpu_probe()
165 	struct cpuinfo_mips *c = &current_cpu_data;  in cpu_report()  local
168 		smp_processor_id(), c->processor_id, cpu_name_string());  in cpu_report()
169 	if (c->options & MIPS_CPU_FPU)  in cpu_report()
170 		pr_info("FPU revision is: %08x\n", c->fpu_id);  in cpu_report()