From 7034228792cc561e79ff8600f02884bd4c80e287 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 22 Jan 2013 12:59:30 +0100 Subject: MIPS: Whitespace cleanup. Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/cpu.h | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) (limited to 'arch/mips/include/asm/cpu.h') diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 90112adb1940..9904697bd792 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -1,6 +1,6 @@ /* * cpu.h: Values of the PRId register used to match up - * various MIPS cpu types. + * various MIPS cpu types. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) * Copyright (C) 2004 Maciej W. Rozycki @@ -9,14 +9,14 @@ #define _ASM_CPU_H /* Assigned Company values for bits 23:16 of the PRId Register - (CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from + (CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from MTI, the PRId register is defined in this (backwards compatible) way: +----------------+----------------+----------------+----------------+ - | Company Options| Company ID | Processor ID | Revision | + | Company Options| Company ID | Processor ID | Revision | +----------------+----------------+----------------+----------------+ - 31 24 23 16 15 8 7 + 31 24 23 16 15 8 7 I don't have docs for all the previous processors, but my impression is that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64 @@ -29,7 +29,7 @@ #define PRID_COMP_ALCHEMY 0x030000 #define PRID_COMP_SIBYTE 0x040000 #define PRID_COMP_SANDCRAFT 0x050000 -#define PRID_COMP_NXP 0x060000 +#define PRID_COMP_NXP 0x060000 #define PRID_COMP_TOSHIBA 0x070000 #define PRID_COMP_LSI 0x080000 #define PRID_COMP_LEXRA 0x0b0000 @@ -38,9 +38,9 @@ #define PRID_COMP_INGENIC 0xd00000 /* - * Assigned values for the product ID register. In order to detect a + * Assigned values for the product ID register. In order to detect a * certain CPU type exactly eventually additional registers may need to - * be examined. These are valid when 23:16 == PRID_COMP_LEGACY + * be examined. These are valid when 23:16 == PRID_COMP_LEGACY */ #define PRID_IMP_R2000 0x0100 #define PRID_IMP_AU1_REV1 0x0100 @@ -101,14 +101,14 @@ * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE */ -#define PRID_IMP_SB1 0x0100 -#define PRID_IMP_SB1A 0x1100 +#define PRID_IMP_SB1 0x0100 +#define PRID_IMP_SB1A 0x1100 /* * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT */ -#define PRID_IMP_SR71000 0x0400 +#define PRID_IMP_SR71000 0x0400 /* * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM @@ -145,7 +145,7 @@ * These are the PRID's for when 23:16 == PRID_COMP_INGENIC */ -#define PRID_IMP_JZRISC 0x0200 +#define PRID_IMP_JZRISC 0x0200 /* * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC @@ -188,9 +188,9 @@ #define PRID_REV_R3000A 0x0030 #define PRID_REV_R3000 0x0020 #define PRID_REV_R2000A 0x0010 -#define PRID_REV_TX3912 0x0010 -#define PRID_REV_TX3922 0x0030 -#define PRID_REV_TX3927 0x0040 +#define PRID_REV_TX3912 0x0010 +#define PRID_REV_TX3922 0x0030 +#define PRID_REV_TX3927 0x0040 #define PRID_REV_VR4111 0x0050 #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */ #define PRID_REV_VR4121 0x0060 @@ -217,9 +217,9 @@ * FPU implementation/revision register (CP1 control register 0). * * +---------------------------------+----------------+----------------+ - * | 0 | Implementation | Revision | + * | 0 | Implementation | Revision | * +---------------------------------+----------------+----------------+ - * 31 16 15 8 7 0 + * 31 16 15 8 7 0 */ #define FPIR_IMP_NONE 0x0000 -- cgit v1.2.3 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/mips/include/asm/cpu.h') 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 From 1e7decdb27ae89b2a0626635a8cf527f930bff1c Mon Sep 17 00:00:00 2001 From: David Daney Date: Sat, 16 Feb 2013 23:42:43 +0100 Subject: MIPS: Probe for and report hardware virtualization support. The presence of the MIPS Virtualization Application-Specific Extension is indicated by CP0_Config3[23]. Probe for this and report it in /proc/cpuinfo. Signed-off-by: David Daney Patchwork: http://patchwork.linux-mips.org/patch/4904/ Signed-off-by: John Crispin --- arch/mips/include/asm/cpu-features.h | 4 ++++ arch/mips/include/asm/cpu.h | 2 +- arch/mips/include/asm/mipsregs.h | 1 + arch/mips/kernel/cpu-probe.c | 2 ++ arch/mips/kernel/proc.c | 1 + 5 files changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/mips/include/asm/cpu.h') diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 00171cddb6d5..c6f64ef0681e 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -263,4 +263,8 @@ #define cpu_has_perf_cntr_intr_bit (cpu_data[0].options & MIPS_CPU_PCI) #endif +#ifndef cpu_has_vz +#define cpu_has_vz (cpu_data[0].ases & MIPS_ASE_VZ) +#endif + #endif /* __ASM_CPU_FEATURES_H */ diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 2de2fee16cc4..4dff3378d96f 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -336,6 +336,6 @@ enum cpu_type_enum { #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */ #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */ #define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */ - +#define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */ #endif /* _ASM_CPU_H */ diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 9f47cda632ab..5df4cda4991a 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -596,6 +596,7 @@ #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) +#define MIPS_CONF3_VZ (_ULCAST_(1) << 23) #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 ba169022fe1d..0c69d1d14080 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -442,6 +442,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) c->options |= MIPS_CPU_ULRI; if (config3 & MIPS_CONF3_ISA) c->options |= MIPS_CPU_MICROMIPS; + if (config3 & MIPS_CONF3_VZ) + c->ases |= MIPS_ASE_VZ; return config3 & MIPS_CONF_M; } diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 239ae03f3330..453d55699fef 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -74,6 +74,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) 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"); + if (cpu_has_vz) seq_printf(m, "%s", " vz"); seq_printf(m, "\n"); seq_printf(m, "shadow register sets\t: %d\n", -- cgit v1.2.3