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-rw-r--r--arch/mips/Kconfig17
-rw-r--r--arch/mips/Makefile1
-rw-r--r--arch/mips/include/asm/cpu-type.h5
-rw-r--r--arch/mips/include/asm/cpu.h5
-rw-r--r--arch/mips/include/asm/module.h2
-rw-r--r--arch/mips/kernel/Makefile1
-rw-r--r--arch/mips/kernel/cpu-probe.c18
-rw-r--r--arch/mips/kernel/r6000_fpu.S99
-rw-r--r--arch/mips/kernel/traps.c15
-rw-r--r--arch/mips/mm/tlbex.c5
10 files changed, 3 insertions, 165 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 48d91d5be4e9..a2f6b199776a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1627,14 +1627,6 @@ config CPU_R5500
NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
instruction set.
-config CPU_R6000
- bool "R6000"
- depends on SYS_HAS_CPU_R6000
- select CPU_SUPPORTS_32BIT_KERNEL
- help
- MIPS Technologies R6000 and R6000A series processors. Note these
- processors are extremely rare and the support for them is incomplete.
-
config CPU_NEVADA
bool "RM52xx"
depends on SYS_HAS_CPU_NEVADA
@@ -1950,9 +1942,6 @@ config SYS_HAS_CPU_R5432
config SYS_HAS_CPU_R5500
bool
-config SYS_HAS_CPU_R6000
- bool
-
config SYS_HAS_CPU_NEVADA
bool
@@ -2180,7 +2169,7 @@ config PAGE_SIZE_32KB
config PAGE_SIZE_64KB
bool "64kB"
- depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
+ depends on !CPU_R3000 && !CPU_TX39XX
help
Using 64kB page size will result in higher performance kernel at
the price of higher memory consumption. This option is available on
@@ -2248,11 +2237,11 @@ config CPU_HAS_PREFETCH
config CPU_GENERIC_DUMP_TLB
bool
- default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
+ default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
config CPU_R4K_FPU
bool
- default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
+ default y if !(CPU_R3000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
config CPU_R4K_CACHE_TLB
bool
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index bc2708c9ada4..d78d615cd395 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -151,7 +151,6 @@ cflags-y += -fno-stack-check
#
cflags-$(CONFIG_CPU_R3000) += -march=r3000
cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
-cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index 175fe565f4e1..a45af3de075d 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -151,11 +151,6 @@ static inline int __pure __get_cpu_type(const int cpu_type)
case CPU_R5500:
#endif
-#ifdef CONFIG_SYS_HAS_CPU_R6000
- case CPU_R6000:
- case CPU_R6000A:
-#endif
-
#ifdef CONFIG_SYS_HAS_CPU_NEVADA
case CPU_NEVADA:
#endif
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index d0c152b989f8..ece9b84f3bcb 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -286,11 +286,6 @@ enum cpu_type_enum {
CPU_R3081, CPU_R3081E,
/*
- * R6000 class processors
- */
- CPU_R6000, CPU_R6000A,
-
- /*
* R4000 class processors
*/
CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index e51add184717..06552a965cf4 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -114,8 +114,6 @@ search_module_dbetables(unsigned long addr)
#define MODULE_PROC_FAMILY "R5432 "
#elif defined CONFIG_CPU_R5500
#define MODULE_PROC_FAMILY "R5500 "
-#elif defined CONFIG_CPU_R6000
-#define MODULE_PROC_FAMILY "R6000 "
#elif defined CONFIG_CPU_NEVADA
#define MODULE_PROC_FAMILY "NEVADA "
#elif defined CONFIG_CPU_R8000
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 46c0581256f1..afd66b2d9cf3 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -37,7 +37,6 @@ obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
obj-$(CONFIG_CPU_R4K_FPU) += r4k_fpu.o r4k_switch.o
obj-$(CONFIG_CPU_R3000) += r2300_fpu.o r2300_switch.o
-obj-$(CONFIG_CPU_R6000) += r6000_fpu.o r4k_switch.o
obj-$(CONFIG_CPU_TX39XX) += r2300_fpu.o r2300_switch.o
obj-$(CONFIG_CPU_CAVIUM_OCTEON) += r4k_fpu.o octeon_switch.o
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index d08afc7dc507..19ae0e279c86 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1394,24 +1394,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
MIPS_CPU_DIVEC | MIPS_CPU_LLSC;
c->tlbsize = 48;
break;
- case PRID_IMP_R6000:
- c->cputype = CPU_R6000;
- __cpu_name[cpu] = "R6000";
- set_isa(c, MIPS_CPU_ISA_II);
- c->fpu_msk31 |= FPU_CSR_CONDX | FPU_CSR_FS;
- c->options = MIPS_CPU_TLB | MIPS_CPU_FPU |
- MIPS_CPU_LLSC;
- c->tlbsize = 32;
- break;
- case PRID_IMP_R6000A:
- c->cputype = CPU_R6000A;
- __cpu_name[cpu] = "R6000A";
- set_isa(c, MIPS_CPU_ISA_II);
- c->fpu_msk31 |= FPU_CSR_CONDX | FPU_CSR_FS;
- c->options = MIPS_CPU_TLB | MIPS_CPU_FPU |
- MIPS_CPU_LLSC;
- c->tlbsize = 32;
- break;
case PRID_IMP_RM7000:
c->cputype = CPU_RM7000;
__cpu_name[cpu] = "RM7000";
diff --git a/arch/mips/kernel/r6000_fpu.S b/arch/mips/kernel/r6000_fpu.S
deleted file mode 100644
index 9cc7bfab3419..000000000000
--- a/arch/mips/kernel/r6000_fpu.S
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * r6000_fpu.S: Save/restore floating point context for signal handlers.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1996 by Ralf Baechle
- *
- * Multi-arch abstraction and asm macros for easier reading:
- * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
- */
-#include <asm/asm.h>
-#include <asm/fpregdef.h>
-#include <asm/mipsregs.h>
-#include <asm/asm-offsets.h>
-#include <asm/regdef.h>
-
- .set noreorder
- .set mips2
- .set push
- SET_HARDFLOAT
-
-/**
- * _save_fp_context() - save FP context from the FPU
- * @a0 - pointer to fpregs field of sigcontext
- * @a1 - pointer to fpc_csr field of sigcontext
- *
- * Save FP context, including the 32 FP data registers and the FP
- * control & status register, from the FPU to signal context.
- */
- LEAF(_save_fp_context)
- mfc0 t0,CP0_STATUS
- sll t0,t0,2
- bgez t0,1f
- nop
-
- cfc1 t1,fcr31
- /* Store the 16 double precision registers */
- sdc1 $f0,0(a0)
- sdc1 $f2,16(a0)
- sdc1 $f4,32(a0)
- sdc1 $f6,48(a0)
- sdc1 $f8,64(a0)
- sdc1 $f10,80(a0)
- sdc1 $f12,96(a0)
- sdc1 $f14,112(a0)
- sdc1 $f16,128(a0)
- sdc1 $f18,144(a0)
- sdc1 $f20,160(a0)
- sdc1 $f22,176(a0)
- sdc1 $f24,192(a0)
- sdc1 $f26,208(a0)
- sdc1 $f28,224(a0)
- sdc1 $f30,240(a0)
- jr ra
- sw t0,(a1)
-1: jr ra
- nop
- END(_save_fp_context)
-
-/**
- * _restore_fp_context() - restore FP context to the FPU
- * @a0 - pointer to fpregs field of sigcontext
- * @a1 - pointer to fpc_csr field of sigcontext
- *
- * Restore FP context, including the 32 FP data registers and the FP
- * control & status register, from signal context to the FPU.
- */
- LEAF(_restore_fp_context)
- mfc0 t0,CP0_STATUS
- sll t0,t0,2
-
- bgez t0,1f
- lw t0,(a1)
- /* Restore the 16 double precision registers */
- ldc1 $f0,0(a0)
- ldc1 $f2,16(a0)
- ldc1 $f4,32(a0)
- ldc1 $f6,48(a0)
- ldc1 $f8,64(a0)
- ldc1 $f10,80(a0)
- ldc1 $f12,96(a0)
- ldc1 $f14,112(a0)
- ldc1 $f16,128(a0)
- ldc1 $f18,144(a0)
- ldc1 $f20,160(a0)
- ldc1 $f22,176(a0)
- ldc1 $f24,192(a0)
- ldc1 $f26,208(a0)
- ldc1 $f28,224(a0)
- ldc1 $f30,240(a0)
- jr ra
- ctc1 t0,fcr31
-1: jr ra
- nop
- END(_restore_fp_context)
-
- .set pop /* SET_HARDFLOAT */
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b68b4d0726d3..b52a785477f9 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2428,21 +2428,6 @@ void __init trap_init(void)
set_except_vector(EXCCODE_TR, handle_tr);
set_except_vector(EXCCODE_MSAFPE, handle_msa_fpe);
- if (current_cpu_type() == CPU_R6000 ||
- current_cpu_type() == CPU_R6000A) {
- /*
- * The R6000 is the only R-series CPU that features a machine
- * check exception (similar to the R4000 cache error) and
- * unaligned ldc1/sdc1 exception. The handlers have not been
- * written yet. Well, anyway there is no R6000 machine on the
- * current list of targets for Linux/MIPS.
- * (Duh, crap, there is someone with a triple R6k machine)
- */
- //set_except_vector(14, handle_mc);
- //set_except_vector(15, handle_ndc);
- }
-
-
if (board_nmi_handler_setup)
board_nmi_handler_setup();
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 5aadc69c8ce3..79b9f2ad3ff5 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -2634,11 +2634,6 @@ void build_tlb_refill_handler(void)
#endif
break;
- case CPU_R6000:
- case CPU_R6000A:
- panic("No R6000 TLB refill handler yet");
- break;
-
case CPU_R8000:
panic("No R8000 TLB refill handler yet");
break;