From f8fa4811dbb264aef13f982e963389fd828b1ac0 Mon Sep 17 00:00:00 2001 From: "Steven J. Hill" Date: Fri, 7 Dec 2012 03:51:35 +0000 Subject: MIPS: Add support for the M14KEc core. Signed-off-by: Steven J. Hill Patchwork: http://patchwork.linux-mips.org/patch/4682/ Signed-off-by: John Crispin --- arch/mips/include/asm/cpu-features.h | 3 +++ arch/mips/include/asm/cpu.h | 3 +++ arch/mips/include/asm/mipsregs.h | 1 + arch/mips/kernel/cpu-probe.c | 7 +++++++ arch/mips/kernel/proc.c | 1 + arch/mips/mm/c-r4k.c | 1 + arch/mips/mm/tlbex.c | 1 + arch/mips/oprofile/common.c | 1 + arch/mips/oprofile/op_model_mipsxx.c | 4 ++++ 9 files changed, 22 insertions(+) (limited to 'arch') diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index c507b931b484..00171cddb6d5 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -98,6 +98,9 @@ #ifndef cpu_has_rixi #define cpu_has_rixi (cpu_data[0].options & MIPS_CPU_RIXI) #endif +#ifndef cpu_has_mmips +#define cpu_has_mmips (cpu_data[0].options & MIPS_CPU_MICROMIPS) +#endif #ifndef cpu_has_vtag_icache #define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG) #endif diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 90112adb1940..2de2fee16cc4 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -96,6 +96,7 @@ #define PRID_IMP_1004K 0x9900 #define PRID_IMP_1074K 0x9a00 #define PRID_IMP_M14KC 0x9c00 +#define PRID_IMP_M14KEC 0x9e00 /* * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE @@ -264,6 +265,7 @@ enum cpu_type_enum { CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC, + CPU_M14KEC, /* * MIPS64 class processors @@ -322,6 +324,7 @@ enum cpu_type_enum { #define MIPS_CPU_ULRI 0x00200000 /* CPU has ULRI feature */ #define MIPS_CPU_PCI 0x00400000 /* CPU has Perf Ctr Int indicator */ #define MIPS_CPU_RIXI 0x00800000 /* CPU has TLB Read/eXec Inhibit */ +#define MIPS_CPU_MICROMIPS 0x01000000 /* CPU has microMIPS capability */ /* * CPU ASE encodings diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 7e4e6f8fab37..3e36745670b2 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -595,6 +595,7 @@ #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) +#define MIPS_CONF3_ISA (_ULCAST_(3) << 14) #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 9f31334ed1de..ba169022fe1d 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -201,6 +201,7 @@ void __init check_wait(void) break; case CPU_M14KC: + case CPU_M14KEC: case CPU_24K: case CPU_34K: case CPU_1004K: @@ -439,6 +440,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) c->ases |= MIPS_ASE_MIPSMT; if (config3 & MIPS_CONF3_ULRI) c->options |= MIPS_CPU_ULRI; + if (config3 & MIPS_CONF3_ISA) + c->options |= MIPS_CPU_MICROMIPS; return config3 & MIPS_CONF_M; } @@ -861,6 +864,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) c->cputype = CPU_M14KC; __cpu_name[cpu] = "MIPS M14Kc"; break; + case PRID_IMP_M14KEC: + c->cputype = CPU_M14KEC; + __cpu_name[cpu] = "MIPS M14KEc"; + break; case PRID_IMP_1004K: c->cputype = CPU_1004K; __cpu_name[cpu] = "MIPS 1004Kc"; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 07dff54f2ce8..239ae03f3330 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -73,6 +73,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (cpu_has_dsp) seq_printf(m, "%s", " dsp"); if (cpu_has_dsp2) seq_printf(m, "%s", " dsp2"); if (cpu_has_mipsmt) seq_printf(m, "%s", " mt"); + if (cpu_has_mmips) seq_printf(m, "%s", " micromips"); seq_printf(m, "\n"); seq_printf(m, "shadow register sets\t: %d\n", diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 0f7d788e8810..606e8286970c 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1057,6 +1057,7 @@ static void __cpuinit probe_pcache(void) break; case CPU_M14KC: + case CPU_M14KEC: case CPU_24K: case CPU_34K: case CPU_74K: diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 1c8ac49ec72c..074d6595e7b3 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -581,6 +581,7 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l, case CPU_4KC: case CPU_4KEC: case CPU_M14KC: + case CPU_M14KEC: case CPU_SB1: case CPU_SB1A: case CPU_4KSC: diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index e32db1ff02c7..fc41aa997f1a 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -78,6 +78,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) switch (current_cpu_type()) { case CPU_5KC: case CPU_M14KC: + case CPU_M14KEC: case CPU_20KC: case CPU_24K: case CPU_25KF: diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 786254630403..18c3afefa67d 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -351,6 +351,10 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.cpu_type = "mips/M14Kc"; break; + case CPU_M14KEC: + op_model_mipsxx_ops.cpu_type = "mips/M14KEc"; + break; + case CPU_20KC: op_model_mipsxx_ops.cpu_type = "mips/20K"; break; -- cgit v1.2.3