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authorJayachandran C <jayachandranc@netlogicmicro.com>2011-05-11 12:04:58 +0530
committerRalf Baechle <ralf@linux-mips.org>2011-05-19 09:55:39 +0100
commita7117c6bddcbfff2fa237a14a853b32cb94bf59a (patch)
tree3a81d4194766dedf274985047022d3441074a3db /arch/mips/kernel/cpu-probe.c
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
MIPS: Netlogic XLR/XLS processor IDs.
Add Netlogic Microsystems company ID and processor IDs for XLR and XLS processors for CPU probe. Add CPU_XLR to cpu_type_enum. Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2367/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f65d4c8c65a..c7b7eb24e27 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -988,6 +988,59 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
}
}
+static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu)
+{
+ decode_configs(c);
+
+ c->options = (MIPS_CPU_TLB |
+ MIPS_CPU_4KEX |
+ MIPS_CPU_COUNTER |
+ MIPS_CPU_DIVEC |
+ MIPS_CPU_WATCH |
+ MIPS_CPU_EJTAG |
+ MIPS_CPU_LLSC);
+
+ switch (c->processor_id & 0xff00) {
+ case PRID_IMP_NETLOGIC_XLR732:
+ case PRID_IMP_NETLOGIC_XLR716:
+ case PRID_IMP_NETLOGIC_XLR532:
+ case PRID_IMP_NETLOGIC_XLR308:
+ case PRID_IMP_NETLOGIC_XLR532C:
+ case PRID_IMP_NETLOGIC_XLR516C:
+ case PRID_IMP_NETLOGIC_XLR508C:
+ case PRID_IMP_NETLOGIC_XLR308C:
+ c->cputype = CPU_XLR;
+ __cpu_name[cpu] = "Netlogic XLR";
+ break;
+
+ case PRID_IMP_NETLOGIC_XLS608:
+ case PRID_IMP_NETLOGIC_XLS408:
+ case PRID_IMP_NETLOGIC_XLS404:
+ case PRID_IMP_NETLOGIC_XLS208:
+ case PRID_IMP_NETLOGIC_XLS204:
+ case PRID_IMP_NETLOGIC_XLS108:
+ case PRID_IMP_NETLOGIC_XLS104:
+ case PRID_IMP_NETLOGIC_XLS616B:
+ case PRID_IMP_NETLOGIC_XLS608B:
+ case PRID_IMP_NETLOGIC_XLS416B:
+ case PRID_IMP_NETLOGIC_XLS412B:
+ case PRID_IMP_NETLOGIC_XLS408B:
+ case PRID_IMP_NETLOGIC_XLS404B:
+ c->cputype = CPU_XLR;
+ __cpu_name[cpu] = "Netlogic XLS";
+ break;
+
+ default:
+ printk(KERN_INFO "Unknown Netlogic chip id [%02x]!\n",
+ c->processor_id);
+ c->cputype = CPU_XLR;
+ break;
+ }
+
+ c->isa_level = MIPS_CPU_ISA_M64R1;
+ c->tlbsize = ((read_c0_config1() >> 25) & 0x3f) + 1;
+}
+
#ifdef CONFIG_64BIT
/* For use by uaccess.h */
u64 __ua_limit;
@@ -1035,6 +1088,9 @@ __cpuinit void cpu_probe(void)
case PRID_COMP_INGENIC:
cpu_probe_ingenic(c, cpu);
break;
+ case PRID_COMP_NETLOGIC:
+ cpu_probe_netlogic(c, cpu);
+ break;
}
BUG_ON(!__cpu_name[cpu]);