MIPS: Remove unused R4300 CPU support

Our R4300 CPU support can only be included if a system selects
CONFIG_SYS_HAS_CPU_R4300. No system does, making all R4300-related CPU
support dead code. Remove it.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org

9 files changed, 1 insertions, 33 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ac9ed08a7fff..ce8d5e4640a1 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1601,15 +1601,6 @@ config CPU_VR41XX
           kernel built with this option will not run on any other type of
           processor or vice versa.
 
-config CPU_R4300
-        bool "R4300"
-        depends on SYS_HAS_CPU_R4300
-        select CPU_SUPPORTS_32BIT_KERNEL
-        select CPU_SUPPORTS_64BIT_KERNEL
-        select CPU_HAS_LOAD_STORE_LR
-        help
-          MIPS Technologies R4300-series processors.
-
 config CPU_R4X00
         bool "R4x00"
         depends on SYS_HAS_CPU_R4X00
@@ -1971,9 +1962,6 @@ config SYS_HAS_CPU_TX39XX
 config SYS_HAS_CPU_VR41XX
         bool
 
-config SYS_HAS_CPU_R4300
-        bool
-
 config SYS_HAS_CPU_R4X00
         bool
 
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index eceff9b75b22..e728d0555466 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -163,7 +163,6 @@ cflags-y += -fno-stack-check
 #
 cflags-$(CONFIG_CPU_R3000)      += -march=r3000
 cflags-$(CONFIG_CPU_TX39XX)     += -march=r3900
-cflags-$(CONFIG_CPU_R4300)      += -march=r4300 -Wa,--trap
 cflags-$(CONFIG_CPU_VR41XX)     += -march=r4100 -Wa,--trap
 cflags-$(CONFIG_CPU_R4X00)      += -march=r4600 -Wa,--trap
 cflags-$(CONFIG_CPU_TX49XX)     += -march=r4600 -Wa,--trap
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index 518659694112..a6c4114e3aa7 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -116,11 +116,6 @@ static inline int __pure __get_cpu_type(const int cpu_type)
         case CPU_VR4181A:
 #endif
 
-#ifdef CONFIG_SYS_HAS_CPU_R4300
-        case CPU_R4300:
-        case CPU_R4310:
-#endif
-
 #ifdef CONFIG_SYS_HAS_CPU_R4X00
         case CPU_R4000PC:
         case CPU_R4000SC:
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index f843959f38e2..babc602862bd 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -293,7 +293,7 @@ enum cpu_type_enum {
         /*
          * R4000 class processors
          */
-        CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
+        CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200,
         CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
         CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000,
         CPU_R12000, CPU_R14000, CPU_R16000, CPU_VR41XX, CPU_VR4111, CPU_VR4121,
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index 6dc0b21b8acd..eaf3f37ed583 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -103,8 +103,6 @@ search_module_dbetables(unsigned long addr)
 #define MODULE_PROC_FAMILY "TX39XX "
 #elif defined CONFIG_CPU_VR41XX
 #define MODULE_PROC_FAMILY "VR41XX "
-#elif defined CONFIG_CPU_R4300
-#define MODULE_PROC_FAMILY "R4300 "
 #elif defined CONFIG_CPU_R4X00
 #define MODULE_PROC_FAMILY "R4X00 "
 #elif defined CONFIG_CPU_TX49XX
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index a9c82338396a..7e6b693bff0a 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1384,15 +1384,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
                         break;
                 }
                 break;
-        case PRID_IMP_R4300:
-                c->cputype = CPU_R4300;
-                __cpu_name[cpu] = "R4300";
-                set_isa(c, MIPS_CPU_ISA_III);
-                c->fpu_msk31 |= FPU_CSR_CONDX;
-                c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR |
-                             MIPS_CPU_LLSC;
-                c->tlbsize = 32;
-                break;
         case PRID_IMP_R4600:
                 c->cputype = CPU_R4600;
                 __cpu_name[cpu] = "R4600";
diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index feaf9bbb82f2..eb2afc0b8db1 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -151,7 +151,6 @@ void __init check_wait(void)
                 cpu_wait = r39xx_wait;
                 break;
         case CPU_R4200:
-/*      case CPU_R4300: */
         case CPU_R4600:
         case CPU_R4640:
         case CPU_R4650:
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 5166e38cd1c6..07d9aa4f7491 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1134,7 +1134,6 @@ static void probe_pcache(void)
         case CPU_R4400PC:
         case CPU_R4400SC:
         case CPU_R4400MC:
-        case CPU_R4300:
                 icache_size = 1 << (12 + ((config & CONF_IC) >> 9));
                 c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
                 c->icache.ways = 1;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index efffeae7f789..35471a2a3528 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -545,7 +545,6 @@ void build_tlb_write_entry(u32 **p, struct uasm_label **l,
                 tlbw(p);
                 break;
 
-        case CPU_R4300:
         case CPU_5KC:
         case CPU_TX49XX:
         case CPU_PR4450: