MIPS: Remove TX39XX support

No (active) developer owns this hardware, so let's remove Linux support.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

Author: tsbogend

arch/mips/Kbuild.platforms

@@ -32,7 +32,6 @@ platform-$(CONFIG_SIBYTE_SB1250)	+= sibyte/
 platform-$(CONFIG_SIBYTE_BCM1x55)	+= sibyte/
 platform-$(CONFIG_SIBYTE_BCM1x80)	+= sibyte/
 platform-$(CONFIG_SNI_RM)		+= sni/
-platform-$(CONFIG_MACH_TX39XX)		+= txx9/
 platform-$(CONFIG_MACH_TX49XX)		+= txx9/
 platform-$(CONFIG_MACH_VR41XX)		+= vr41xx/
 

arch/mips/Kconfig

@@ -927,9 +927,6 @@ config SNI_RM
 	  Technology and now in turn merged with Fujitsu.  Say Y here to
 	  support this machine type.
 
-config MACH_TX39XX
-	bool "Toshiba TX39 series based machines"
-
 config MACH_TX49XX
 	bool "Toshiba TX49 series based machines"
 	select WAR_TX49XX_ICACHE_INDEX_INV
@@ -1584,12 +1581,6 @@ config CPU_R3000
 	  might be a safe bet.  If the resulting kernel does not work,
 	  try to recompile with R3000.
 
-config CPU_TX39XX
-	bool "R39XX"
-	depends on SYS_HAS_CPU_TX39XX
-	select CPU_SUPPORTS_32BIT_KERNEL
-	select CPU_R3K_TLB
-
 config CPU_VR41XX
 	bool "R41xx"
 	depends on SYS_HAS_CPU_VR41XX
@@ -1916,9 +1907,6 @@ config SYS_HAS_CPU_P5600
 config SYS_HAS_CPU_R3000
 	bool
 
-config SYS_HAS_CPU_TX39XX
-	bool
-
 config SYS_HAS_CPU_VR41XX
 	bool
 
@@ -2149,7 +2137,7 @@ config PAGE_SIZE_8KB
 
 config PAGE_SIZE_16KB
 	bool "16kB"
-	depends on !CPU_R3000 && !CPU_TX39XX
+	depends on !CPU_R3000
 	help
 	  Using 16kB page size will result in higher performance kernel at
 	  the price of higher memory consumption.  This option is available on
@@ -2168,7 +2156,7 @@ config PAGE_SIZE_32KB
 
 config PAGE_SIZE_64KB
 	bool "64kB"
-	depends on !CPU_R3000 && !CPU_TX39XX
+	depends on !CPU_R3000
 	help
 	  Using 64kB page size will result in higher performance kernel at
 	  the price of higher memory consumption.  This option is available on
@@ -2236,7 +2224,7 @@ config CPU_HAS_PREFETCH
 
 config CPU_GENERIC_DUMP_TLB
 	bool
-	default y if !(CPU_R3000 || CPU_TX39XX)
+	default y if !CPU_R3000
 
 config MIPS_FP_SUPPORT
 	bool "Floating Point support" if EXPERT
@@ -2256,7 +2244,7 @@ config MIPS_FP_SUPPORT
 config CPU_R2300_FPU
 	bool
 	depends on MIPS_FP_SUPPORT
-	default y if CPU_R3000 || CPU_TX39XX
+	default y if CPU_R3000
 
 config CPU_R3K_TLB
 	bool
@@ -2575,13 +2563,13 @@ config CPU_R4X00_BUGS64
 
 config MIPS_ASID_SHIFT
 	int
-	default 6 if CPU_R3000 || CPU_TX39XX
+	default 6 if CPU_R3000
 	default 0
 
 config MIPS_ASID_BITS
 	int
 	default 0 if MIPS_ASID_BITS_VARIABLE
-	default 6 if CPU_R3000 || CPU_TX39XX
+	default 6 if CPU_R3000
 	default 8
 
 config MIPS_ASID_BITS_VARIABLE

arch/mips/Makefile

@@ -158,7 +158,6 @@ cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
 # CPU-dependent compiler/assembler options for optimization.
 #
 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

arch/mips/configs/jmr3927_defconfig

@@ -120,9 +120,6 @@
 #ifndef cpu_has_4k_cache
 #define cpu_has_4k_cache	__isa_ge_or_opt(1, MIPS_CPU_4K_CACHE)
 #endif
-#ifndef cpu_has_tx39_cache
-#define cpu_has_tx39_cache	__opt(MIPS_CPU_TX39_CACHE)
-#endif
 #ifndef cpu_has_octeon_cache
 #define cpu_has_octeon_cache	0
 #endif

arch/mips/include/asm/cpu-features.h

@@ -105,12 +105,6 @@ static inline int __pure __get_cpu_type(const int cpu_type)
 	case CPU_R3081E:
 #endif
 
-#ifdef CONFIG_SYS_HAS_CPU_TX39XX
-	case CPU_TX3912:
-	case CPU_TX3922:
-	case CPU_TX3927:
-#endif
-
 #ifdef CONFIG_SYS_HAS_CPU_VR41XX
 	case CPU_VR41XX:
 	case CPU_VR4111:

arch/mips/include/asm/cpu-type.h

@@ -309,11 +309,6 @@ enum cpu_type_enum {
 	CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
 	CPU_SR71000, CPU_TX49XX,
 
-	/*
-	 * TX3900 class processors
-	 */
-	CPU_TX3912, CPU_TX3922, CPU_TX3927,
-
 	/*
 	 * MIPS32 class processors
 	 */
@@ -367,7 +362,6 @@ enum cpu_type_enum {
 #define MIPS_CPU_4KEX		BIT_ULL( 1)	/* "R4K" exception model */
 #define MIPS_CPU_3K_CACHE	BIT_ULL( 2)	/* R3000-style caches */
 #define MIPS_CPU_4K_CACHE	BIT_ULL( 3)	/* R4000-style caches */
-#define MIPS_CPU_TX39_CACHE	BIT_ULL( 4)	/* TX3900-style caches */
 #define MIPS_CPU_FPU		BIT_ULL( 5)	/* CPU has FPU */
 #define MIPS_CPU_32FPR		BIT_ULL( 6)	/* 32 dbl. prec. FP registers */
 #define MIPS_CPU_COUNTER	BIT_ULL( 7)	/* Cycle count/compare */

arch/mips/include/asm/cpu.h

@@ -10,7 +10,7 @@
 #ifndef __ASM_ISADEP_H
 #define __ASM_ISADEP_H
 
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
 /*
  * R2000 or R3000
  */

arch/mips/include/asm/isadep.h

@@ -18,7 +18,6 @@
 #define cpu_has_4kex			1
 #define cpu_has_3k_cache		0
 #define cpu_has_4k_cache		1
-#define cpu_has_tx39_cache		0
 #define cpu_has_sb1_cache		0
 #define cpu_has_fpu			0
 #define cpu_has_32fpr			0

arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h

@@ -16,7 +16,6 @@
 #define cpu_has_4kex		1
 #define cpu_has_3k_cache	0
 #define cpu_has_4k_cache	1
-#define cpu_has_tx39_cache	0
 #define cpu_has_sb1_cache	0
 #define cpu_has_fpu		0
 #define cpu_has_32fpr		0