aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kbuild.platforms1
-rw-r--r--arch/mips/Kconfig82
-rw-r--r--arch/mips/Makefile5
-rw-r--r--arch/mips/ath25/ar2315.c2
-rw-r--r--arch/mips/ath25/ar5312.c2
-rw-r--r--arch/mips/ath79/early_printk.c1
-rw-r--r--arch/mips/ath79/setup.c11
-rw-r--r--arch/mips/boot/compressed/Makefile1
-rw-r--r--arch/mips/boot/compressed/decompress.c10
-rw-r--r--arch/mips/boot/dts/ingenic/jz4780.dtsi2
-rw-r--r--arch/mips/cavium-octeon/octeon-irq.c10
-rw-r--r--arch/mips/configs/jmr3927_defconfig50
-rw-r--r--arch/mips/configs/malta_defconfig1
-rw-r--r--arch/mips/dec/int-handler.S6
-rw-r--r--arch/mips/dec/prom/Makefile2
-rw-r--r--arch/mips/dec/setup.c3
-rw-r--r--arch/mips/include/asm/cpu-features.h3
-rw-r--r--arch/mips/include/asm/cpu-type.h6
-rw-r--r--arch/mips/include/asm/cpu.h6
-rw-r--r--arch/mips/include/asm/dec/prom.h15
-rw-r--r--arch/mips/include/asm/futex.h1
-rw-r--r--arch/mips/include/asm/isadep.h2
-rw-r--r--arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ath79/ar71xx_regs.h1
-rw-r--r--arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-dec/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ingenic/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h1
-rw-r--r--arch/mips/include/asm/mach-tx39xx/ioremap.h25
-rw-r--r--arch/mips/include/asm/mach-tx39xx/mangle-port.h24
-rw-r--r--arch/mips/include/asm/mach-tx39xx/spaces.h17
-rw-r--r--arch/mips/include/asm/mipsmtregs.h1
-rw-r--r--arch/mips/include/asm/mipsregs.h1
-rw-r--r--arch/mips/include/asm/pgalloc.h6
-rw-r--r--arch/mips/include/asm/prom.h4
-rw-r--r--arch/mips/include/asm/setup.h2
-rw-r--r--arch/mips/include/asm/stackframe.h6
-rw-r--r--arch/mips/include/asm/thread_info.h4
-rw-r--r--arch/mips/include/asm/txx9/boards.h3
-rw-r--r--arch/mips/include/asm/txx9/jmr3927.h179
-rw-r--r--arch/mips/include/asm/txx9/tx3927.h341
-rw-r--r--arch/mips/include/asm/txx9irq.h4
-rw-r--r--arch/mips/include/asm/txx9tmr.h4
-rw-r--r--arch/mips/include/asm/vermagic.h2
-rw-r--r--arch/mips/include/asm/war.h73
-rw-r--r--arch/mips/kernel/Makefile1
-rw-r--r--arch/mips/kernel/cpu-probe.c23
-rw-r--r--arch/mips/kernel/cpu-r3k-probe.c22
-rw-r--r--arch/mips/kernel/elf.c16
-rw-r--r--arch/mips/kernel/entry.S3
-rw-r--r--arch/mips/kernel/genex.S5
-rw-r--r--arch/mips/kernel/idle.c10
-rw-r--r--arch/mips/kernel/irq_txx9.c13
-rw-r--r--arch/mips/kernel/proc.c2
-rw-r--r--arch/mips/kernel/process.c2
-rw-r--r--arch/mips/kernel/prom.c5
-rw-r--r--arch/mips/kernel/r4k-bugs64.c9
-rw-r--r--arch/mips/kernel/scall32-o32.S1
-rw-r--r--arch/mips/kernel/scall64-n64.S1
-rw-r--r--arch/mips/kernel/signal.c1
-rw-r--r--arch/mips/kernel/signal_n32.c1
-rw-r--r--arch/mips/kernel/traps.c22
-rw-r--r--arch/mips/lantiq/prom.c5
-rw-r--r--arch/mips/lib/Makefile1
-rw-r--r--arch/mips/lib/delay.c1
-rw-r--r--arch/mips/lib/r3k_dump_tlb.c4
-rw-r--r--arch/mips/loongson2ef/Platform3
-rw-r--r--arch/mips/loongson64/Platform24
-rw-r--r--arch/mips/loongson64/numa.c10
-rw-r--r--arch/mips/loongson64/setup.c8
-rw-r--r--arch/mips/mm/Makefile1
-rw-r--r--arch/mips/mm/c-octeon.c1
-rw-r--r--arch/mips/mm/c-r4k.c1
-rw-r--r--arch/mips/mm/c-tx39.c414
-rw-r--r--arch/mips/mm/cache.c5
-rw-r--r--arch/mips/mm/page.c5
-rw-r--r--arch/mips/mm/tlb-r3k.c40
-rw-r--r--arch/mips/mm/tlbex.c24
-rw-r--r--arch/mips/mti-malta/Makefile1
-rw-r--r--arch/mips/mti-malta/malta-dt.c15
-rw-r--r--arch/mips/pci/Makefile2
-rw-r--r--arch/mips/pci/fixup-jmr3927.c79
-rw-r--r--arch/mips/pci/ops-tx3927.c231
-rw-r--r--arch/mips/pci/pci-ar2315.c2
-rw-r--r--arch/mips/pic32/pic32mzda/init.c8
-rw-r--r--arch/mips/ralink/ill_acc.c1
-rw-r--r--arch/mips/ralink/of.c5
-rw-r--r--arch/mips/rb532/devices.c6
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c10
-rw-r--r--arch/mips/sibyte/common/sb_tbprof.c6
-rw-r--r--arch/mips/txx9/Kconfig18
-rw-r--r--arch/mips/txx9/Makefile6
-rw-r--r--arch/mips/txx9/Platform3
-rw-r--r--arch/mips/txx9/generic/Makefile1
-rw-r--r--arch/mips/txx9/generic/irq_tx3927.c25
-rw-r--r--arch/mips/txx9/generic/setup.c55
-rw-r--r--arch/mips/txx9/generic/setup_tx3927.c136
-rw-r--r--arch/mips/txx9/jmr3927/Makefile6
-rw-r--r--arch/mips/txx9/jmr3927/irq.c128
-rw-r--r--arch/mips/txx9/jmr3927/prom.c52
-rw-r--r--arch/mips/txx9/jmr3927/setup.c223
-rw-r--r--arch/mips/vdso/Makefile3
116 files changed, 191 insertions, 2453 deletions
diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
index 30193bcf9caa..1bc4282af064 100644
--- a/arch/mips/Kbuild.platforms
+++ b/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/
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 058446f01487..de3b32a507d2 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,6 +4,7 @@ config MIPS
default y
select ARCH_32BIT_OFF_T if !64BIT
select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
+ select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_KCOV
@@ -101,6 +102,7 @@ config MIPS
select TRACE_IRQFLAGS_SUPPORT
select VIRT_TO_BUS
select ARCH_HAS_ELFCORE_COMPAT
+ select HAVE_ARCH_KCSAN if 64BIT
config MIPS_FIXUP_BIGPHYS_ADDR
bool
@@ -511,6 +513,7 @@ config MACH_LOONGSON64
select USE_OF
select BUILTIN_DTB
select PCI_HOST_GENERIC
+ select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
help
This enables the support of Loongson-2/3 family of machines.
@@ -707,6 +710,7 @@ config SGI_IP27
select WAR_R10000_LLSC
select MIPS_L1_CACHE_SHIFT_7
select NUMA
+ select HAVE_ARCH_NODEDATA_EXTENSION
help
This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
workstations. To compile a Linux kernel that runs on these, say Y
@@ -926,9 +930,6 @@ 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
@@ -1343,19 +1344,14 @@ config LOONGSON3_ENHANCEMENT
new Loongson-3 machines only, please say 'Y' here.
config CPU_LOONGSON3_WORKAROUNDS
- bool "Old Loongson-3 LLSC Workarounds"
+ bool "Loongson-3 LLSC Workarounds"
default y if SMP
depends on CPU_LOONGSON64
help
Loongson-3 processors have the llsc issues which require workarounds.
Without workarounds the system may hang unexpectedly.
- Newer Loongson-3 will fix these issues and no workarounds are needed.
- The workarounds have no significant side effect on them but may
- decrease the performance of the system so this option should be
- disabled unless the kernel is intended to be run on old systems.
-
- If unsure, please say Y.
+ Say Y, unless you know what you are doing.
config CPU_LOONGSON3_CPUCFG_EMULATION
bool "Emulate the CPUCFG instruction on older Loongson cores"
@@ -1583,12 +1579,6 @@ 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
@@ -1915,9 +1905,6 @@ config SYS_HAS_CPU_P5600
config SYS_HAS_CPU_R3000
bool
-config SYS_HAS_CPU_TX39XX
- bool
-
config SYS_HAS_CPU_VR41XX
bool
@@ -2148,7 +2135,7 @@ 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
@@ -2167,7 +2154,7 @@ 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
@@ -2235,7 +2222,7 @@ 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
@@ -2255,7 +2242,7 @@ 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
@@ -2520,13 +2507,51 @@ config CPU_HAS_SYNC
#
# CPU non-features
#
+
+# Work around the "daddi" and "daddiu" CPU errata:
+#
+# - The `daddi' instruction fails to trap on overflow.
+# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+# erratum #23
+#
+# - The `daddiu' instruction can produce an incorrect result.
+# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+# erratum #41
+# "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
+# #15
+# "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
+# "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
config CPU_DADDI_WORKAROUNDS
bool
+# Work around certain R4000 CPU errata (as implemented by GCC):
+#
+# - A double-word or a variable shift may give an incorrect result
+# if executed immediately after starting an integer division:
+# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+# erratum #28
+# "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
+# #19
+#
+# - A double-word or a variable shift may give an incorrect result
+# if executed while an integer multiplication is in progress:
+# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+# errata #16 & #28
+#
+# - An integer division may give an incorrect result if started in
+# a delay slot of a taken branch or a jump:
+# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+# erratum #52
config CPU_R4000_WORKAROUNDS
bool
select CPU_R4400_WORKAROUNDS
+# Work around certain R4400 CPU errata (as implemented by GCC):
+#
+# - A double-word or a variable shift may give an incorrect result
+# if executed immediately after starting an integer division:
+# "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
+# "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
config CPU_R4400_WORKAROUNDS
bool
@@ -2536,13 +2561,13 @@ 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
@@ -2685,6 +2710,9 @@ config NUMA
config SYS_SUPPORTS_NUMA
bool
+config HAVE_ARCH_NODEDATA_EXTENSION
+ bool
+
config RELOCATABLE
bool "Relocatable kernel"
depends on SYS_SUPPORTS_RELOCATABLE
@@ -3202,6 +3230,10 @@ config MIPS32_N32
If unsure, say N.
+config CC_HAS_MNO_BRANCH_LIKELY
+ def_bool y
+ depends on $(cc-option,-mno-branch-likely)
+
menu "Power management options"
config ARCH_HIBERNATION_POSSIBLE
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index e036fc025ccc..bb236de13133 100644
--- a/arch/mips/Makefile
+++ b/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-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
@@ -340,14 +339,12 @@ drivers-$(CONFIG_PM) += arch/mips/power/
boot-y := vmlinux.bin
boot-y += vmlinux.ecoff
boot-y += vmlinux.srec
-ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
boot-y += uImage
boot-y += uImage.bin
boot-y += uImage.bz2
boot-y += uImage.gz
boot-y += uImage.lzma
boot-y += uImage.lzo
-endif
boot-y += vmlinux.itb
boot-y += vmlinux.gz.itb
boot-y += vmlinux.bz2.itb
@@ -359,9 +356,7 @@ bootz-y := vmlinuz
bootz-y += vmlinuz.bin
bootz-y += vmlinuz.ecoff
bootz-y += vmlinuz.srec
-ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
bootz-y += uzImage.bin
-endif
bootz-y += vmlinuz.itb
#
diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c
index 76e43a73ba1b..8ccf167c167e 100644
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -112,7 +112,7 @@ static int ar2315_misc_irq_map(struct irq_domain *d, unsigned irq,
return 0;
}
-static struct irq_domain_ops ar2315_misc_irq_domain_ops = {
+static const struct irq_domain_ops ar2315_misc_irq_domain_ops = {
.map = ar2315_misc_irq_map,
};
diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c
index 822b639dbd1e..cfa103518113 100644
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -116,7 +116,7 @@ static int ar5312_misc_irq_map(struct irq_domain *d, unsigned irq,
return 0;
}
-static struct irq_domain_ops ar5312_misc_irq_domain_ops = {
+static const struct irq_domain_ops ar5312_misc_irq_domain_ops = {
.map = ar5312_misc_irq_map,
};
diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
index 782732cd1a2b..8751d067f98f 100644
--- a/arch/mips/ath79/early_printk.c
+++ b/arch/mips/ath79/early_printk.c
@@ -121,6 +121,7 @@ static void prom_putchar_init(void)
case REV_ID_MAJOR_QCA9558:
case REV_ID_MAJOR_TP9343:
case REV_ID_MAJOR_QCA956X:
+ case REV_ID_MAJOR_QCN550X:
_prom_putchar = prom_putchar_ar71xx;
break;
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 0ac435fe2dc9..4e18cdcf65a0 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -168,6 +168,12 @@ static void __init ath79_detect_sys_type(void)
rev = id & QCA956X_REV_ID_REVISION_MASK;
break;
+ case REV_ID_MAJOR_QCN550X:
+ ath79_soc = ATH79_SOC_QCA956X;
+ chip = "550X";
+ rev = id & QCA956X_REV_ID_REVISION_MASK;
+ break;
+
case REV_ID_MAJOR_TP9343:
ath79_soc = ATH79_SOC_TP9343;
chip = "9343";
@@ -263,8 +269,3 @@ void __init arch_init_irq(void)
{
irqchip_init();
}
-
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
-}
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 5a15d51e8884..6cc28173bee8 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -38,6 +38,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
KCOV_INSTRUMENT := n
GCOV_PROFILE := n
UBSAN_SANITIZE := n
+KCSAN_SANITIZE := n
# decompressor objects (linked with vmlinuz)
vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index aae1346a509a..5b38a802e101 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -26,7 +26,7 @@ unsigned long free_mem_ptr;
unsigned long free_mem_end_ptr;
/* The linker tells us where the image is. */
-extern unsigned char __image_begin, __image_end;
+extern unsigned char __image_begin[], __image_end[];
/* debug interfaces */
#ifdef CONFIG_DEBUG_ZBOOT
@@ -91,9 +91,9 @@ void decompress_kernel(unsigned long boot_heap_start)
{
unsigned long zimage_start, zimage_size;
- zimage_start = (unsigned long)(&__image_begin);
- zimage_size = (unsigned long)(&__image_end) -
- (unsigned long)(&__image_begin);
+ zimage_start = (unsigned long)(__image_begin);
+ zimage_size = (unsigned long)(__image_end) -
+ (unsigned long)(__image_begin);
puts("zimage at: ");
puthex(zimage_start);
@@ -121,7 +121,7 @@ void decompress_kernel(unsigned long boot_heap_start)
dtb_size = fdt_totalsize((void *)&__appended_dtb);
/* last four bytes is always image size in little endian */
- image_size = get_unaligned_le32((void *)&__image_end - 4);
+ image_size = get_unaligned_le32((void *)__image_end - 4);
/* The device tree's address must be properly aligned */
image_size = ALIGN(image_size, STRUCT_ALIGNMENT);
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index 3f9ea47a10cd..b998301f179c 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -510,7 +510,7 @@
#address-cells = <1>;
#size-cells = <1>;
- eth0_addr: eth-mac-addr@0x22 {
+ eth0_addr: eth-mac-addr@22 {
reg = <0x22 0x6>;
};
};
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 844f882096e6..07d7ff5a981d 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -1274,13 +1274,13 @@ static int octeon_irq_gpio_map(struct irq_domain *d,
return r;
}
-static struct irq_domain_ops octeon_irq_domain_ciu_ops = {
+static const struct irq_domain_ops octeon_irq_domain_ciu_ops = {
.map = octeon_irq_ciu_map,
.unmap = octeon_irq_free_cd,
.xlate = octeon_irq_ciu_xlat,
};
-static struct irq_domain_ops octeon_irq_domain_gpio_ops = {
+static const struct irq_domain_ops octeon_irq_domain_gpio_ops = {
.map = octeon_irq_gpio_map,
.unmap = octeon_irq_free_cd,
.xlate = octeon_irq_gpio_xlat,
@@ -1974,7 +1974,7 @@ static int octeon_irq_ciu2_map(struct irq_domain *d,
return 0;
}
-static struct irq_domain_ops octeon_irq_domain_ciu2_ops = {
+static const struct irq_domain_ops octeon_irq_domain_ciu2_ops = {
.map = octeon_irq_ciu2_map,
.unmap = octeon_irq_free_cd,
.xlate = octeon_irq_ciu2_xlat,
@@ -2226,7 +2226,7 @@ static int octeon_irq_cib_map(struct irq_domain *d,
return 0;
}
-static struct irq_domain_ops octeon_irq_domain_cib_ops = {
+static const struct irq_domain_ops octeon_irq_domain_cib_ops = {
.map = octeon_irq_cib_map,
.unmap = octeon_irq_free_cd,
.xlate = octeon_irq_cib_xlat,
@@ -2578,7 +2578,7 @@ static int octeon_irq_ciu3_map(struct irq_domain *d,
return octeon_irq_ciu3_mapx(d, virq, hw, &octeon_irq_chip_ciu3);
}
-static struct irq_domain_ops octeon_dflt_domain_ciu3_ops = {
+static const struct irq_domain_ops octeon_dflt_domain_ciu3_ops = {
.map = octeon_irq_ciu3_map,
.unmap = octeon_irq_free_cd,
.xlate = octeon_irq_ciu3_xlat,
diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig
deleted file mode 100644
index 24b96faf9b4e..000000000000
--- a/arch/mips/configs/jmr3927_defconfig
+++ /dev/null
@@ -1,50 +0,0 @@
-CONFIG_SYSVIPC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EXPERT=y
-CONFIG_SLAB=y
-CONFIG_MACH_TX39XX=y
-CONFIG_TOSHIBA_JMR3927=y
-# CONFIG_SECCOMP is not set
-CONFIG_PCI=y
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_DIAG is not set
-# CONFIG_IPV6 is not set
-CONFIG_MTD=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_JEDECPROBE=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_NETDEVICES=y
-CONFIG_TC35815=y
-# CONFIG_INPUT is not set
-# CONFIG_SERIO is not set
-# CONFIG_VT is not set
-# CONFIG_UNIX98_PTYS is not set
-CONFIG_SERIAL_NONSTANDARD=y
-CONFIG_SERIAL_TXX9_CONSOLE=y
-CONFIG_SERIAL_TXX9_STDSERIAL=y
-# CONFIG_HW_RANDOM is not set
-# CONFIG_HWMON is not set
-CONFIG_WATCHDOG=y
-CONFIG_TXX9_WDT=y
-# CONFIG_USB_SUPPORT is not set
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_DS1742=y
-CONFIG_PROC_KCORE=y
-# CONFIG_MISC_FILESYSTEMS is not set
-CONFIG_NFS_FS=y
-CONFIG_ROOT_NFS=y
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 1c220d152a50..7a5bdd236a2a 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -4,6 +4,7 @@ CONFIG_HIGH_RES_TIMERS=y
CONFIG_LOG_BUF_SHIFT=15
CONFIG_NAMESPACES=y
CONFIG_RELAY=y
+CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
# CONFIG_COMPAT_BRK is not set
CONFIG_SLAB=y
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index ea5b5a83f1e1..011d1d678840 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -131,7 +131,7 @@
*/
mfc0 t0,CP0_CAUSE # get pending interrupts
mfc0 t1,CP0_STATUS
-#ifdef CONFIG_32BIT
+#if defined(CONFIG_32BIT) && defined(CONFIG_MIPS_FP_SUPPORT)
lw t2,cpu_fpu_mask
#endif
andi t0,ST0_IM # CAUSE.CE may be non-zero!
@@ -139,7 +139,7 @@
beqz t0,spurious
-#ifdef CONFIG_32BIT
+#if defined(CONFIG_32BIT) && defined(CONFIG_MIPS_FP_SUPPORT)
and t2,t0
bnez t2,fpu # handle FPU immediately
#endif
@@ -280,7 +280,7 @@ handle_it:
j dec_irq_dispatch
nop
-#ifdef CONFIG_32BIT
+#if defined(CONFIG_32BIT) && defined(CONFIG_MIPS_FP_SUPPORT)
fpu:
lw t0,fpu_kstat_irq
nop
diff --git a/arch/mips/dec/prom/Makefile b/arch/mips/dec/prom/Makefile
index d95016016b42..2bad87551203 100644
--- a/arch/mips/dec/prom/Makefile
+++ b/arch/mips/dec/prom/Makefile
@@ -6,4 +6,4 @@
lib-y += init.o memory.o cmdline.o identify.o console.o
-lib-$(CONFIG_32BIT) += locore.o
+lib-$(CONFIG_CPU_R3000) += locore.o
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index a8a30bb1dee8..82b00e45ce50 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -746,7 +746,8 @@ void __init arch_init_irq(void)
dec_interrupt[DEC_IRQ_HALT] = -1;
/* Register board interrupts: FPU and cascade. */
- if (dec_interrupt[DEC_IRQ_FPU] >= 0 && cpu_has_fpu) {
+ if (IS_ENABLED(CONFIG_MIPS_FP_SUPPORT) &&
+ dec_interrupt[DEC_IRQ_FPU] >= 0 && cpu_has_fpu) {
struct irq_desc *desc_fpu;
int irq_fpu;
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 3d71081afc55..de8cb2ccb781 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -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
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index 5efe8c8b854e..5582ff0c247e 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.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:
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 5c2f8d9cb7cf..00a3fc7d778d 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -310,11 +310,6 @@ enum cpu_type_enum {
CPU_SR71000, CPU_TX49XX,
/*
- * TX3900 class processors
- */
- CPU_TX3912, CPU_TX3922, CPU_TX3927,
-
- /*
* MIPS32 class processors
*/
CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
@@ -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 */
diff --git a/arch/mips/include/asm/dec/prom.h b/arch/mips/include/asm/dec/prom.h
index 62c7dfb90e06..1e1247add1cf 100644
--- a/arch/mips/include/asm/dec/prom.h
+++ b/arch/mips/include/asm/dec/prom.h
@@ -43,16 +43,11 @@
*/
#define REX_PROM_MAGIC 0x30464354
-#ifdef CONFIG_64BIT
-
-#define prom_is_rex(magic) 1 /* KN04 and KN05 are REX PROMs. */
-
-#else /* !CONFIG_64BIT */
-
-#define prom_is_rex(magic) ((magic) == REX_PROM_MAGIC)
-
-#endif /* !CONFIG_64BIT */
-
+/* KN04 and KN05 are REX PROMs, so only do the check for R3k systems. */
+static inline bool prom_is_rex(u32 magic)
+{
+ return !IS_ENABLED(CONFIG_CPU_R3000) || magic == REX_PROM_MAGIC;
+}
/*
* 3MIN/MAXINE PROM entry points for DS5000/1xx's, DS5000/xx's and
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 8612a7e42d78..05832eb240fa 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -17,7 +17,6 @@
#include <asm/compiler.h>
#include <asm/errno.h>
#include <asm/sync.h>
-#include <asm/war.h>
#define arch_futex_atomic_op_inuser arch_futex_atomic_op_inuser
#define futex_atomic_cmpxchg_inatomic futex_atomic_cmpxchg_inatomic
diff --git a/arch/mips/include/asm/isadep.h b/arch/mips/include/asm/isadep.h
index d1683202399b..8fc1e3ae8d0c 100644
--- a/arch/mips/include/asm/isadep.h
+++ b/arch/mips/include/asm/isadep.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
*/
diff --git a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
index a54f20d956a2..ec3604c44ef2 100644
--- a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.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
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index 1f9e571af67c..5f837060724e 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -862,6 +862,7 @@
#define REV_ID_MAJOR_QCA9558 0x1130
#define REV_ID_MAJOR_TP9343 0x0150
#define REV_ID_MAJOR_QCA956X 0x1150
+#define REV_ID_MAJOR_QCN550X 0x2170
#define AR71XX_REV_ID_MINOR_MASK 0x3
#define AR71XX_REV_ID_MINOR_AR7130 0x0
diff --git a/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h
index 79ab3ad9fee8..44fd44a5fc42 100644
--- a/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ath79/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
diff --git a/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h
index e6e527224a15..3c200303ae55 100644
--- a/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h
@@ -21,7 +21,6 @@
#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_fpu 0
#define cpu_has_32fpr 0
#define cpu_has_counter 1
diff --git a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
index b23ff47ea475..69899c1e122d 100644
--- a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
@@ -6,7 +6,6 @@
#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_fpu 0
#define cpu_has_32fpr 0
#define cpu_has_counter 1
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 513270c8adb9..9151dcd9d0d5 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -21,7 +21,6 @@
#define cpu_has_4kex 1
#define cpu_has_3k_cache 0
#define cpu_has_4k_cache 0
-#define cpu_has_tx39_cache 0
#define cpu_has_counter 1
#define cpu_has_watch 1
#define cpu_has_divec 1
diff --git a/arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h
index 291fe90aafa5..03192458471d 100644
--- a/arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h
@@ -13,7 +13,6 @@
#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_32fpr 1
#define cpu_has_counter 1
#define cpu_has_watch 0
diff --git a/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h b/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
index 1896e88f6000..3ddc4b4dca26 100644
--- a/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h
@@ -17,7 +17,6 @@
#define cpu_has_rixiex 0
#define cpu_has_maar 0
#define cpu_has_rw_llb 0
-#define cpu_has_tx39_cache 0
#define cpu_has_divec 0
#define cpu_has_prefetch 0
#define cpu_has_mcheck 0
diff --git a/arch/mips/include/asm/mach-ingenic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ingenic/cpu-feature-overrides.h
index 7c5e576f9d96..7ace50127f5a 100644
--- a/arch/mips/include/asm/mach-ingenic/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ingenic/cpu-feature-overrides.h
@@ -11,7 +11,6 @@
#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_counter 0
#define cpu_has_watch 1
#define cpu_has_divec 1
diff --git a/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h
index 58f829c9b6c7..c8385c4e8664 100644
--- a/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h
@@ -25,7 +25,6 @@
#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_fpu 1
#define cpu_has_nofpuex 0
#define cpu_has_32fpr 1
diff --git a/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
index 49a93e82c252..8ad0c424a9af 100644
--- a/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
@@ -28,7 +28,6 @@
#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_fpu 1
#define cpu_has_nofpuex 0
#define cpu_has_32fpr 1
diff --git a/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
index 10226976f7b7..22607e61e57b 100644
--- a/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
@@ -15,7 +15,6 @@
#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
diff --git a/arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h
index b2ee859ca0b7..eb0d1cfb9f3b 100644
--- a/arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h
@@ -34,7 +34,6 @@
#define cpu_has_mipsmt 0
#define cpu_has_smartmips 0
#define cpu_has_tlb 1
-#define cpu_has_tx39_cache 0
#define cpu_has_vce 0
#define cpu_has_veic 0
#define cpu_has_vint 0
diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
index eb181224eb4c..ebace9e4bdc1 100644
--- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
@@ -36,7 +36,6 @@
#define cpu_has_mipsmt 0
#define cpu_has_smartmips 0
#define cpu_has_tlb 1
-#define cpu_has_tx39_cache 0
#define cpu_has_vce 0
#define cpu_has_veic 0
#define cpu_has_vint 0
diff --git a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
index c4579f1705c2..85a62c99a52a 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620/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
diff --git a/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
index 168359a0a58d..3c19a94f5432 100644
--- a/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
@@ -17,7 +17,6 @@
#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
diff --git a/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
index fdaf8c9182bc..a850c1e46134 100644
--- a/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt288x/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
diff --git a/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
index 7a385fe784a6..2d75264a9166 100644
--- a/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x/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
diff --git a/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
index 0a61910f6521..accf2a325343 100644
--- a/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
@@ -15,7 +15,6 @@
#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
diff --git a/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h b/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h
index 8539ccfb69b7..36d45c9cf09c 100644
--- a/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.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
diff --git a/arch/mips/include/asm/mach-tx39xx/ioremap.h b/arch/mips/include/asm/mach-tx39xx/ioremap.h
deleted file mode 100644
index 157a7292397e..000000000000
--- a/arch/mips/include/asm/mach-tx39xx/ioremap.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * include/asm-mips/mach-tx39xx/ioremap.h
- */
-#ifndef __ASM_MACH_TX39XX_IOREMAP_H
-#define __ASM_MACH_TX39XX_IOREMAP_H
-
-#include <linux/types.h>
-
-static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
- unsigned long flags)
-{
-#define TXX9_DIRECTMAP_BASE 0xff000000ul
- if (offset >= TXX9_DIRECTMAP_BASE &&
- offset < TXX9_DIRECTMAP_BASE + 0xff0000)
- return (void __iomem *)offset;
- return NULL;
-}
-
-static inline int plat_iounmap(const volatile void __iomem *addr)
-{
- return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
-}
-
-#endif /* __ASM_MACH_TX39XX_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-tx39xx/mangle-port.h b/arch/mips/include/asm/mach-tx39xx/mangle-port.h
deleted file mode 100644
index 95be459950f7..000000000000
--- a/arch/mips/include/asm/mach-tx39xx/mangle-port.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_MACH_TX39XX_MANGLE_PORT_H
-#define __ASM_MACH_TX39XX_MANGLE_PORT_H
-
-#if defined(CONFIG_TOSHIBA_JMR3927)
-extern unsigned long (*__swizzle_addr_b)(unsigned long port);
-#define NEEDS_TXX9_SWIZZLE_ADDR_B
-#else
-#define __swizzle_addr_b(port) (port)
-#endif
-#define __swizzle_addr_w(port) (port)
-#define __swizzle_addr_l(port) (port)
-#define __swizzle_addr_q(port) (port)
-
-#define ioswabb(a, x) (x)
-#define __mem_ioswabb(a, x) (x)
-#define ioswabw(a, x) le16_to_cpu((__force __le16)(x))
-#define __mem_ioswabw(a, x) (x)
-#define ioswabl(a, x) le32_to_cpu((__force __le32)(x))
-#define __mem_ioswabl(a, x) (x)
-#define ioswabq(a, x) le64_to_cpu((__force __le64)(x))
-#define __mem_ioswabq(a, x) (x)
-
-#endif /* __ASM_MACH_TX39XX_MANGLE_PORT_H */
diff --git a/arch/mips/include/asm/mach-tx39xx/spaces.h b/arch/mips/include/asm/mach-tx39xx/spaces.h
deleted file mode 100644
index 151fe7a1cf1d..000000000000
--- a/arch/mips/include/asm/mach-tx39xx/spaces.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * 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) 1994 - 1999, 2000, 03, 04 Ralf Baechle
- * Copyright (C) 2000, 2002 Maciej W. Rozycki
- * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
- */
-#ifndef _ASM_TX39XX_SPACES_H
-#define _ASM_TX39XX_SPACES_H
-
-#define FIXADDR_TOP ((unsigned long)(long)(int)0xfefe0000)
-
-#include <asm/mach-generic/spaces.h>
-
-#endif /* __ASM_TX39XX_SPACES_H */
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index be4cf9d477be..a8d67c2f4f7b 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -9,7 +9,6 @@
#define _ASM_MIPSMTREGS_H
#include <asm/mipsregs.h>
-#include <asm/war.h>
#ifndef __ASSEMBLY__
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 2616353b940c..305651af15b3 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -17,7 +17,6 @@
#include <linux/types.h>
#include <asm/hazards.h>
#include <asm/isa-rev.h>
-#include <asm/war.h>
/*
* The following macros are especially useful for __asm__
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index c7925d0e9874..867e9c3db76e 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -15,6 +15,7 @@
#define __HAVE_ARCH_PMD_ALLOC_ONE
#define __HAVE_ARCH_PUD_ALLOC_ONE
+#define __HAVE_ARCH_PGD_FREE
#include <asm-generic/pgalloc.h>
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
@@ -48,6 +49,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
extern void pgd_init(unsigned long page);
extern pgd_t *pgd_alloc(struct mm_struct *mm);
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+ free_pages((unsigned long)pgd, PGD_ORDER);
+}
+
#define __pte_free_tlb(tlb,pte,address) \
do { \
pgtable_pte_page_dtor(pte); \
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index c42e07671934..2d74406089d7 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -20,9 +20,9 @@ struct boot_param_header;
extern void __dt_setup_arch(void *bph);
extern int __dt_register_buses(const char *bus0, const char *bus1);
-#else /* CONFIG_OF */
+#else /* !CONFIG_USE_OF */
static inline void device_tree_init(void) { }
-#endif /* CONFIG_OF */
+#endif /* !CONFIG_USE_OF */
extern char *mips_get_machine_name(void);
extern void mips_set_machine_name(const char *name);
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index bb36a400203d..8c56b862fd9c 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -16,7 +16,7 @@ static inline void setup_8250_early_printk_port(unsigned long base,
unsigned int reg_shift, unsigned int timeout) {}
#endif
-extern void set_handler(unsigned long offset, void *addr, unsigned long len);
+void set_handler(unsigned long offset, const void *addr, unsigned long len);
extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len);
typedef void (*vi_handler_t)(void);
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index aa430a6c68b2..a8705aef47e1 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -42,7 +42,7 @@
cfi_restore \reg \offset \docfi
.endm
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
#define STATMASK 0x3f
#else
#define STATMASK 0x1f
@@ -349,7 +349,7 @@
cfi_ld sp, PT_R29, \docfi
.endm
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
.macro RESTORE_SOME docfi=0
.set push
@@ -478,7 +478,7 @@
.macro KMODE
mfc0 t0, CP0_STATUS
li t1, ST0_KERNEL_CUMASK | (STATMASK & ~1)
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
andi t2, t0, ST0_IEP
srl t2, 2
or t0, t2
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 0b17aaa9e012..ecae7470faa4 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -69,6 +69,10 @@ static inline struct thread_info *current_thread_info(void)
return __current_thread_info;
}
+#ifdef CONFIG_ARCH_HAS_CURRENT_STACK_POINTER
+register unsigned long current_stack_pointer __asm__("sp");
+#endif
+
#endif /* !__ASSEMBLY__ */
/* thread information allocation */
diff --git a/arch/mips/include/asm/txx9/boards.h b/arch/mips/include/asm/txx9/boards.h
index 70284e90dc53..6897ca4366d5 100644
--- a/arch/mips/include/asm/txx9/boards.h
+++ b/arch/mips/include/asm/txx9/boards.h
@@ -1,7 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifdef CONFIG_TOSHIBA_JMR3927
-BOARD_VEC(jmr3927_vec)
-#endif
#ifdef CONFIG_TOSHIBA_RBTX4927
BOARD_VEC(rbtx4927_vec)
BOARD_VEC(rbtx4937_vec)
diff --git a/arch/mips/include/asm/txx9/jmr3927.h b/arch/mips/include/asm/txx9/jmr3927.h
deleted file mode 100644
index aab959dc30ba..000000000000
--- a/arch/mips/include/asm/txx9/jmr3927.h
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Defines for the TJSYS JMR-TX3927
- *
- * 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) 2000-2001 Toshiba Corporation
- */
-#ifndef __ASM_TXX9_JMR3927_H
-#define __ASM_TXX9_JMR3927_H
-
-#include <asm/txx9/tx3927.h>
-#include <asm/addrspace.h>
-#include <asm/txx9irq.h>
-
-/* CS */
-#define JMR3927_ROMCE0 0x1fc00000 /* 4M */
-#define JMR3927_ROMCE1 0x1e000000 /* 4M */
-#define JMR3927_ROMCE2 0x14000000 /* 16M */
-#define JMR3927_ROMCE3 0x10000000 /* 64M */
-#define JMR3927_ROMCE5 0x1d000000 /* 4M */
-#define JMR3927_SDCS0 0x00000000 /* 32M */
-#define JMR3927_SDCS1 0x02000000 /* 32M */
-/* PCI Direct Mappings */
-
-#define JMR3927_PCIMEM 0x08000000
-#define JMR3927_PCIMEM_SIZE 0x08000000 /* 128M */
-#define JMR3927_PCIIO 0x15000000
-#define JMR3927_PCIIO_SIZE 0x01000000 /* 16M */
-
-#define JMR3927_SDRAM_SIZE 0x02000000 /* 32M */
-#define JMR3927_PORT_BASE KSEG1
-
-/* Address map (virtual address) */
-#define JMR3927_ROM0_BASE (KSEG1 + JMR3927_ROMCE0)
-#define JMR3927_ROM1_BASE (KSEG1 + JMR3927_ROMCE1)
-#define JMR3927_IOC_BASE (KSEG1 + JMR3927_ROMCE2)
-#define JMR3927_PCIMEM_BASE (KSEG1 + JMR3927_PCIMEM)
-#define JMR3927_PCIIO_BASE (KSEG1 + JMR3927_PCIIO)
-
-#define JMR3927_IOC_REV_ADDR (JMR3927_IOC_BASE + 0x00000000)
-#define JMR3927_IOC_NVRAMB_ADDR (JMR3927_IOC_BASE + 0x00010000)
-#define JMR3927_IOC_LED_ADDR (JMR3927_IOC_BASE + 0x00020000)
-#define JMR3927_IOC_DIPSW_ADDR (JMR3927_IOC_BASE + 0x00030000)
-#define JMR3927_IOC_BREV_ADDR (JMR3927_IOC_BASE + 0x00040000)
-#define JMR3927_IOC_DTR_ADDR (JMR3927_IOC_BASE + 0x00050000)
-#define JMR3927_IOC_INTS1_ADDR (JMR3927_IOC_BASE + 0x00080000)
-#define JMR3927_IOC_INTS2_ADDR (JMR3927_IOC_BASE + 0x00090000)
-#define JMR3927_IOC_INTM_ADDR (JMR3927_IOC_BASE + 0x000a0000)
-#define JMR3927_IOC_INTP_ADDR (JMR3927_IOC_BASE + 0x000b0000)
-#define JMR3927_IOC_RESET_ADDR (JMR3927_IOC_BASE + 0x000f0000)
-
-/* Flash ROM */
-#define JMR3927_FLASH_BASE (JMR3927_ROM0_BASE)
-#define JMR3927_FLASH_SIZE 0x00400000
-
-/* bits for IOC_REV/IOC_BREV (high byte) */
-#define JMR3927_IDT_MASK 0xfc
-#define JMR3927_REV_MASK 0x03
-#define JMR3927_IOC_IDT 0xe0
-
-/* bits for IOC_INTS1/IOC_INTS2/IOC_INTM/IOC_INTP (high byte) */
-#define JMR3927_IOC_INTB_PCIA 0
-#define JMR3927_IOC_INTB_PCIB 1
-#define JMR3927_IOC_INTB_PCIC 2
-#define JMR3927_IOC_INTB_PCID 3
-#define JMR3927_IOC_INTB_MODEM 4
-#define JMR3927_IOC_INTB_INT6 5
-#define JMR3927_IOC_INTB_INT7 6
-#define JMR3927_IOC_INTB_SOFT 7
-#define JMR3927_IOC_INTF_PCIA (1 << JMR3927_IOC_INTF_PCIA)
-#define JMR3927_IOC_INTF_PCIB (1 << JMR3927_IOC_INTB_PCIB)
-#define JMR3927_IOC_INTF_PCIC (1 << JMR3927_IOC_INTB_PCIC)
-#define JMR3927_IOC_INTF_PCID (1 << JMR3927_IOC_INTB_PCID)
-#define JMR3927_IOC_INTF_MODEM (1 << JMR3927_IOC_INTB_MODEM)
-#define JMR3927_IOC_INTF_INT6 (1 << JMR3927_IOC_INTB_INT6)
-#define JMR3927_IOC_INTF_INT7 (1 << JMR3927_IOC_INTB_INT7)
-#define JMR3927_IOC_INTF_SOFT (1 << JMR3927_IOC_INTB_SOFT)
-
-/* bits for IOC_RESET (high byte) */
-#define JMR3927_IOC_RESET_CPU 1
-#define JMR3927_IOC_RESET_PCI 2
-
-#if defined(__BIG_ENDIAN)
-#define jmr3927_ioc_reg_out(d, a) ((*(volatile unsigned char *)(a)) = (d))
-#define jmr3927_ioc_reg_in(a) (*(volatile unsigned char *)(a))
-#elif defined(__LITTLE_ENDIAN)
-#define jmr3927_ioc_reg_out(d, a) ((*(volatile unsigned char *)((a)^1)) = (d))
-#define jmr3927_ioc_reg_in(a) (*(volatile unsigned char *)((a)^1))
-#else
-#error "No Endian"
-#endif
-
-/* LED macro */
-#define jmr3927_led_set(n/*0-16*/) jmr3927_ioc_reg_out(~(n), JMR3927_IOC_LED_ADDR)
-
-#define jmr3927_led_and_set(n/*0-16*/) jmr3927_ioc_reg_out((~(n)) & jmr3927_ioc_reg_in(JMR3927_IOC_LED_ADDR), JMR3927_IOC_LED_ADDR)
-
-/* DIPSW4 macro */
-#define jmr3927_dipsw1() (gpio_get_value(11) == 0)
-#define jmr3927_dipsw2() (gpio_get_value(10) == 0)
-#define jmr3927_dipsw3() ((jmr3927_ioc_reg_in(JMR3927_IOC_DIPSW_ADDR) & 2) == 0)
-#define jmr3927_dipsw4() ((jmr3927_ioc_reg_in(JMR3927_IOC_DIPSW_ADDR) & 1) == 0)
-
-/*
- * IRQ mappings
- */
-
-/* These are the virtual IRQ numbers, we divide all IRQ's into
- * 'spaces', the 'space' determines where and how to enable/disable
- * that particular IRQ on an JMR machine. Add new 'spaces' as new
- * IRQ hardware is supported.
- */
-#define JMR3927_NR_IRQ_IRC 16 /* On-Chip IRC */
-#define JMR3927_NR_IRQ_IOC 8 /* PCI/MODEM/INT[6:7] */
-
-#define JMR3927_IRQ_IRC TXX9_IRQ_BASE
-#define JMR3927_IRQ_IOC (JMR3927_IRQ_IRC + JMR3927_NR_IRQ_IRC)
-#define JMR3927_IRQ_END (JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC)
-
-#define JMR3927_IRQ_IRC_INT0 (JMR3927_IRQ_IRC + TX3927_IR_INT0)
-#define JMR3927_IRQ_IRC_INT1 (JMR3927_IRQ_IRC + TX3927_IR_INT1)
-#define JMR3927_IRQ_IRC_INT2 (JMR3927_IRQ_IRC + TX3927_IR_INT2)
-#define JMR3927_IRQ_IRC_INT3 (JMR3927_IRQ_IRC + TX3927_IR_INT3)
-#define JMR3927_IRQ_IRC_INT4 (JMR3927_IRQ_IRC + TX3927_IR_INT4)
-#define JMR3927_IRQ_IRC_INT5 (JMR3927_IRQ_IRC + TX3927_IR_INT5)
-#define JMR3927_IRQ_IRC_SIO0 (JMR3927_IRQ_IRC + TX3927_IR_SIO0)
-#define JMR3927_IRQ_IRC_SIO1 (JMR3927_IRQ_IRC + TX3927_IR_SIO1)
-#define JMR3927_IRQ_IRC_SIO(ch) (JMR3927_IRQ_IRC + TX3927_IR_SIO(ch))
-#define JMR3927_IRQ_IRC_DMA (JMR3927_IRQ_IRC + TX3927_IR_DMA)
-#define JMR3927_IRQ_IRC_PIO (JMR3927_IRQ_IRC + TX3927_IR_PIO)
-#define JMR3927_IRQ_IRC_PCI (JMR3927_IRQ_IRC + TX3927_IR_PCI)
-#define JMR3927_IRQ_IRC_TMR(ch) (JMR3927_IRQ_IRC + TX3927_IR_TMR(ch))
-#define JMR3927_IRQ_IOC_PCIA (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_PCIA)
-#define JMR3927_IRQ_IOC_PCIB (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_PCIB)
-#define JMR3927_IRQ_IOC_PCIC (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_PCIC)
-#define JMR3927_IRQ_IOC_PCID (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_PCID)
-#define JMR3927_IRQ_IOC_MODEM (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_MODEM)
-#define JMR3927_IRQ_IOC_INT6 (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_INT6)
-#define JMR3927_IRQ_IOC_INT7 (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_INT7)
-#define JMR3927_IRQ_IOC_SOFT (JMR3927_IRQ_IOC + JMR3927_IOC_INTB_SOFT)
-
-/* IOC (PCI, MODEM) */
-#define JMR3927_IRQ_IOCINT JMR3927_IRQ_IRC_INT1
-/* TC35815 100M Ether (JMR-TX3912:JPW4:2-3 Short) */
-#define JMR3927_IRQ_ETHER0 JMR3927_IRQ_IRC_INT3
-
-/* Clocks */
-#define JMR3927_CORECLK 132710400 /* 132.7MHz */
-
-/*
- * TX3927 Pin Configuration:
- *
- * PCFG bits Avail Dead
- * SELSIO[1:0]:11 RXD[1:0], TXD[1:0] PIO[6:3]
- * SELSIOC[0]:1 CTS[0], RTS[0] INT[5:4]
- * SELSIOC[1]:0,SELDSF:0, GSDAO[0],GPCST[3] CTS[1], RTS[1],DSF,
- * GDBGE* PIO[2:1]
- * SELDMA[2]:1 DMAREQ[2],DMAACK[2] PIO[13:12]
- * SELTMR[2:0]:000 TIMER[1:0]
- * SELCS:0,SELDMA[1]:0 PIO[11;10] SDCS_CE[7:6],
- * DMAREQ[1],DMAACK[1]
- * SELDMA[0]:1 DMAREQ[0],DMAACK[0] PIO[9:8]
- * SELDMA[3]:1 DMAREQ[3],DMAACK[3] PIO[15:14]
- * SELDONE:1 DMADONE PIO[7]
- *
- * Usable pins are:
- * RXD[1;0],TXD[1:0],CTS[0],RTS[0],
- * DMAREQ[0,2,3],DMAACK[0,2,3],DMADONE,PIO[0,10,11]
- * INT[3:0]
- */
-
-void jmr3927_prom_init(void);
-void jmr3927_irq_setup(void);
-struct pci_dev;
-int jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
-
-#endif /* __ASM_TXX9_JMR3927_H */
diff --git a/arch/mips/include/asm/txx9/tx3927.h b/arch/mips/include/asm/txx9/tx3927.h
deleted file mode 100644
index 149fab4f8327..000000000000
--- a/arch/mips/include/asm/txx9/tx3927.h
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
- * 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) 2000 Toshiba Corporation
- */
-#ifndef __ASM_TXX9_TX3927_H
-#define __ASM_TXX9_TX3927_H
-
-#define TX3927_REG_BASE 0xfffe0000UL
-#define TX3927_REG_SIZE 0x00010000
-#define TX3927_SDRAMC_REG (TX3927_REG_BASE + 0x8000)
-#define TX3927_ROMC_REG (TX3927_REG_BASE + 0x9000)
-#define TX3927_DMA_REG (TX3927_REG_BASE + 0xb000)
-#define TX3927_IRC_REG (TX3927_REG_BASE + 0xc000)
-#define TX3927_PCIC_REG (TX3927_REG_BASE + 0xd000)
-#define TX3927_CCFG_REG (TX3927_REG_BASE + 0xe000)
-#define TX3927_NR_TMR 3
-#define TX3927_TMR_REG(ch) (TX3927_REG_BASE + 0xf000 + (ch) * 0x100)
-#define TX3927_NR_SIO 2
-#define TX3927_SIO_REG(ch) (TX3927_REG_BASE + 0xf300 + (ch) * 0x100)
-#define TX3927_PIO_REG (TX3927_REG_BASE + 0xf500)
-
-struct tx3927_sdramc_reg {
- volatile unsigned long cr[8];
- volatile unsigned long tr[3];
- volatile unsigned long cmd;
- volatile unsigned long smrs[2];
-};
-
-struct tx3927_romc_reg {
- volatile unsigned long cr[8];
-};
-
-struct tx3927_dma_reg {
- struct tx3927_dma_ch_reg {
- volatile unsigned long cha;
- volatile unsigned long sar;
- volatile unsigned long dar;
- volatile unsigned long cntr;
- volatile unsigned long sair;
- volatile unsigned long dair;
- volatile unsigned long ccr;
- volatile unsigned long csr;
- } ch[4];
- volatile unsigned long dbr[8];
- volatile unsigned long tdhr;
- volatile unsigned long mcr;
- volatile unsigned long unused0;
-};
-
-#include <asm/byteorder.h>
-
-#ifdef __BIG_ENDIAN
-#define endian_def_s2(e1, e2) \
- volatile unsigned short e1, e2
-#define endian_def_sb2(e1, e2, e3) \
- volatile unsigned short e1;volatile unsigned char e2, e3
-#define endian_def_b2s(e1, e2, e3) \
- volatile unsigned char e1, e2;volatile unsigned short e3
-#define endian_def_b4(e1, e2, e3, e4) \
- volatile unsigned char e1, e2, e3, e4
-#else
-#define endian_def_s2(e1, e2) \
- volatile unsigned short e2, e1
-#define endian_def_sb2(e1, e2, e3) \
- volatile unsigned char e3, e2;volatile unsigned short e1
-#define endian_def_b2s(e1, e2, e3) \
- volatile unsigned short e3;volatile unsigned char e2, e1
-#define endian_def_b4(e1, e2, e3, e4) \
- volatile unsigned char e4, e3, e2, e1
-#endif
-
-struct tx3927_pcic_reg {
- endian_def_s2(did, vid);
- endian_def_s2(pcistat, pcicmd);
- endian_def_b4(cc, scc, rpli, rid);
- endian_def_b4(unused0, ht, mlt, cls);
- volatile unsigned long ioba; /* +10 */
- volatile unsigned long mba;
- volatile unsigned long unused1[5];
- endian_def_s2(svid, ssvid);
- volatile unsigned long unused2; /* +30 */
- endian_def_sb2(unused3, unused4, capptr);
- volatile unsigned long unused5;
- endian_def_b4(ml, mg, ip, il);
- volatile unsigned long unused6; /* +40 */
- volatile unsigned long istat;
- volatile unsigned long iim;
- volatile unsigned long rrt;
- volatile unsigned long unused7[3]; /* +50 */
- volatile unsigned long ipbmma;
- volatile unsigned long ipbioma; /* +60 */
- volatile unsigned long ilbmma;
- volatile unsigned long ilbioma;
- volatile unsigned long unused8[9];
- volatile unsigned long tc; /* +90 */
- volatile unsigned long tstat;
- volatile unsigned long tim;
- volatile unsigned long tccmd;
- volatile unsigned long pcirrt; /* +a0 */
- volatile unsigned long pcirrt_cmd;
- volatile unsigned long pcirrdt;
- volatile unsigned long unused9[3];
- volatile unsigned long tlboap;
- volatile unsigned long tlbiap;
- volatile unsigned long tlbmma; /* +c0 */
- volatile unsigned long tlbioma;
- volatile unsigned long sc_msg;
- volatile unsigned long sc_be;
- volatile unsigned long tbl; /* +d0 */
- volatile unsigned long unused10[3];
- volatile unsigned long pwmng; /* +e0 */
- volatile unsigned long pwmngs;
- volatile unsigned long unused11[6];
- volatile unsigned long req_trace; /* +100 */
- volatile unsigned long pbapmc;
- volatile unsigned long pbapms;
- volatile unsigned long pbapmim;
- volatile unsigned long bm; /* +110 */
- volatile unsigned long cpcibrs;
- volatile unsigned long cpcibgs;
- volatile unsigned long pbacs;
- volatile unsigned long iobas; /* +120 */
- volatile unsigned long mbas;
- volatile unsigned long lbc;
- volatile unsigned long lbstat;
- volatile unsigned long lbim; /* +130 */
- volatile unsigned long pcistatim;
- volatile unsigned long ica;
- volatile unsigned long icd;
- volatile unsigned long iiadp; /* +140 */
- volatile unsigned long iscdp;
- volatile unsigned long mmas;
- volatile unsigned long iomas;
- volatile unsigned long ipciaddr; /* +150 */
- volatile unsigned long ipcidata;
- volatile unsigned long ipcibe;
-};
-
-struct tx3927_ccfg_reg {
- volatile unsigned long ccfg;
- volatile unsigned long crir;
- volatile unsigned long pcfg;
- volatile unsigned long tear;
- volatile unsigned long pdcr;
-};
-
-/*
- * SDRAMC
- */
-
-/*
- * ROMC
- */
-
-/*
- * DMA
- */
-/* bits for MCR */
-#define TX3927_DMA_MCR_EIS(ch) (0x10000000<<(ch))
-#define TX3927_DMA_MCR_DIS(ch) (0x01000000<<(ch))
-#define TX3927_DMA_MCR_RSFIF 0x00000080
-#define TX3927_DMA_MCR_FIFUM(ch) (0x00000008<<(ch))
-#define TX3927_DMA_MCR_LE 0x00000004
-#define TX3927_DMA_MCR_RPRT 0x00000002
-#define TX3927_DMA_MCR_MSTEN 0x00000001
-
-/* bits for CCRn */
-#define TX3927_DMA_CCR_DBINH 0x04000000
-#define TX3927_DMA_CCR_SBINH 0x02000000
-#define TX3927_DMA_CCR_CHRST 0x01000000
-#define TX3927_DMA_CCR_RVBYTE 0x00800000
-#define TX3927_DMA_CCR_ACKPOL 0x00400000
-#define TX3927_DMA_CCR_REQPL 0x00200000
-#define TX3927_DMA_CCR_EGREQ 0x00100000
-#define TX3927_DMA_CCR_CHDN 0x00080000
-#define TX3927_DMA_CCR_DNCTL 0x00060000
-#define TX3927_DMA_CCR_EXTRQ 0x00010000
-#define TX3927_DMA_CCR_INTRQD 0x0000e000
-#define TX3927_DMA_CCR_INTENE 0x00001000
-#define TX3927_DMA_CCR_INTENC 0x00000800
-#define TX3927_DMA_CCR_INTENT 0x00000400
-#define TX3927_DMA_CCR_CHNEN 0x00000200
-#define TX3927_DMA_CCR_XFACT 0x00000100
-#define TX3927_DMA_CCR_SNOP 0x00000080
-#define TX3927_DMA_CCR_DSTINC 0x00000040
-#define TX3927_DMA_CCR_SRCINC 0x00000020
-#define TX3927_DMA_CCR_XFSZ(order) (((order) << 2) & 0x0000001c)
-#define TX3927_DMA_CCR_XFSZ_1W TX3927_DMA_CCR_XFSZ(2)
-#define TX3927_DMA_CCR_XFSZ_4W TX3927_DMA_CCR_XFSZ(4)
-#define TX3927_DMA_CCR_XFSZ_8W TX3927_DMA_CCR_XFSZ(5)
-#define TX3927_DMA_CCR_XFSZ_16W TX3927_DMA_CCR_XFSZ(6)
-#define TX3927_DMA_CCR_XFSZ_32W TX3927_DMA_CCR_XFSZ(7)
-#define TX3927_DMA_CCR_MEMIO 0x00000002
-#define TX3927_DMA_CCR_ONEAD 0x00000001
-
-/* bits for CSRn */
-#define TX3927_DMA_CSR_CHNACT 0x00000100
-#define TX3927_DMA_CSR_ABCHC 0x00000080
-#define TX3927_DMA_CSR_NCHNC 0x00000040
-#define TX3927_DMA_CSR_NTRNFC 0x00000020
-#define TX3927_DMA_CSR_EXTDN 0x00000010
-#define TX3927_DMA_CSR_CFERR 0x00000008
-#define TX3927_DMA_CSR_CHERR 0x00000004
-#define TX3927_DMA_CSR_DESERR 0x00000002
-#define TX3927_DMA_CSR_SORERR 0x00000001
-
-/*
- * IRC
- */
-#define TX3927_IR_INT0 0
-#define TX3927_IR_INT1 1
-#define TX3927_IR_INT2 2
-#define TX3927_IR_INT3 3
-#define TX3927_IR_INT4 4
-#define TX3927_IR_INT5 5
-#define TX3927_IR_SIO0 6
-#define TX3927_IR_SIO1 7
-#define TX3927_IR_SIO(ch) (6 + (ch))
-#define TX3927_IR_DMA 8
-#define TX3927_IR_PIO 9
-#define TX3927_IR_PCI 10
-#define TX3927_IR_TMR(ch) (13 + (ch))
-#define TX3927_NUM_IR 16
-
-/*
- * PCIC
- */
-/* bits for PCICMD */
-/* see PCI_COMMAND_XXX in linux/pci.h */
-
-/* bits for PCISTAT */
-/* see PCI_STATUS_XXX in linux/pci.h */
-#define PCI_STATUS_NEW_CAP 0x0010
-
-/* bits for ISTAT/IIM */
-#define TX3927_PCIC_IIM_ALL 0x00001600
-
-/* bits for TC */
-#define TX3927_PCIC_TC_OF16E 0x00000020
-#define TX3927_PCIC_TC_IF8E 0x00000010
-#define TX3927_PCIC_TC_OF8E 0x00000008
-
-/* bits for TSTAT/TIM */
-#define TX3927_PCIC_TIM_ALL 0x0003ffff
-
-/* bits for IOBA/MBA */
-/* see PCI_BASE_ADDRESS_XXX in linux/pci.h */
-
-/* bits for PBAPMC */
-#define TX3927_PCIC_PBAPMC_RPBA 0x00000004
-#define TX3927_PCIC_PBAPMC_PBAEN 0x00000002
-#define TX3927_PCIC_PBAPMC_BMCEN 0x00000001
-
-/* bits for LBSTAT/LBIM */
-#define TX3927_PCIC_LBIM_ALL 0x0000003e
-
-/* bits for PCISTATIM (see also PCI_STATUS_XXX in linux/pci.h */
-#define TX3927_PCIC_PCISTATIM_ALL 0x0000f900
-
-/* bits for LBC */
-#define TX3927_PCIC_LBC_IBSE 0x00004000
-#define TX3927_PCIC_LBC_TIBSE 0x00002000
-#define TX3927_PCIC_LBC_TMFBSE 0x00001000
-#define TX3927_PCIC_LBC_HRST 0x00000800
-#define TX3927_PCIC_LBC_SRST 0x00000400
-#define TX3927_PCIC_LBC_EPCAD 0x00000200
-#define TX3927_PCIC_LBC_MSDSE 0x00000100
-#define TX3927_PCIC_LBC_CRR 0x00000080
-#define TX3927_PCIC_LBC_ILMDE 0x00000040
-#define TX3927_PCIC_LBC_ILIDE 0x00000020
-
-#define TX3927_PCIC_IDSEL_AD_TO_SLOT(ad) ((ad) - 11)
-#define TX3927_PCIC_MAX_DEVNU TX3927_PCIC_IDSEL_AD_TO_SLOT(32)
-
-/*
- * CCFG
- */
-/* CCFG : Chip Configuration */
-#define TX3927_CCFG_TLBOFF 0x00020000
-#define TX3927_CCFG_BEOW 0x00010000
-#define TX3927_CCFG_WR 0x00008000
-#define TX3927_CCFG_TOE 0x00004000
-#define TX3927_CCFG_PCIXARB 0x00002000
-#define TX3927_CCFG_PCI3 0x00001000
-#define TX3927_CCFG_PSNP 0x00000800
-#define TX3927_CCFG_PPRI 0x00000400
-#define TX3927_CCFG_PLLM 0x00000030
-#define TX3927_CCFG_ENDIAN 0x00000004
-#define TX3927_CCFG_HALT 0x00000002
-#define TX3927_CCFG_ACEHOLD 0x00000001
-
-/* PCFG : Pin Configuration */
-#define TX3927_PCFG_SYSCLKEN 0x08000000
-#define TX3927_PCFG_SDRCLKEN_ALL 0x07c00000
-#define TX3927_PCFG_SDRCLKEN(ch) (0x00400000<<(ch))
-#define TX3927_PCFG_PCICLKEN_ALL 0x003c0000
-#define TX3927_PCFG_PCICLKEN(ch) (0x00040000<<(ch))
-#define TX3927_PCFG_SELALL 0x0003ffff
-#define TX3927_PCFG_SELCS 0x00020000
-#define TX3927_PCFG_SELDSF 0x00010000
-#define TX3927_PCFG_SELSIOC_ALL 0x0000c000
-#define TX3927_PCFG_SELSIOC(ch) (0x00004000<<(ch))
-#define TX3927_PCFG_SELSIO_ALL 0x00003000
-#define TX3927_PCFG_SELSIO(ch) (0x00001000<<(ch))
-#define TX3927_PCFG_SELTMR_ALL 0x00000e00
-#define TX3927_PCFG_SELTMR(ch) (0x00000200<<(ch))
-#define TX3927_PCFG_SELDONE 0x00000100
-#define TX3927_PCFG_INTDMA_ALL 0x000000f0
-#define TX3927_PCFG_INTDMA(ch) (0x00000010<<(ch))
-#define TX3927_PCFG_SELDMA_ALL 0x0000000f
-#define TX3927_PCFG_SELDMA(ch) (0x00000001<<(ch))
-
-#define tx3927_sdramcptr ((struct tx3927_sdramc_reg *)TX3927_SDRAMC_REG)
-#define tx3927_romcptr ((struct tx3927_romc_reg *)TX3927_ROMC_REG)
-#define tx3927_dmaptr ((struct tx3927_dma_reg *)TX3927_DMA_REG)
-#define tx3927_pcicptr ((struct tx3927_pcic_reg *)TX3927_PCIC_REG)
-#define tx3927_ccfgptr ((struct tx3927_ccfg_reg *)TX3927_CCFG_REG)
-#define tx3927_sioptr(ch) ((struct txx927_sio_reg *)TX3927_SIO_REG(ch))
-#define tx3927_pioptr ((struct txx9_pio_reg __iomem *)TX3927_PIO_REG)
-
-#define TX3927_REV_PCODE() (tx3927_ccfgptr->crir >> 16)
-#define TX3927_ROMC_BA(ch) (tx3927_romcptr->cr[(ch)] & 0xfff00000)
-#define TX3927_ROMC_SIZE(ch) \
- (0x00100000 << ((tx3927_romcptr->cr[(ch)] >> 8) & 0xf))
-#define TX3927_ROMC_WIDTH(ch) (32 >> ((tx3927_romcptr->cr[(ch)] >> 7) & 0x1))
-
-void tx3927_wdt_init(void);
-void tx3927_setup(void);
-void tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr);
-void tx3927_sio_init(unsigned int sclk, unsigned int cts_mask);
-struct pci_controller;
-void tx3927_pcic_setup(struct pci_controller *channel,
- unsigned long sdram_size, int extarb);
-void tx3927_setup_pcierr_irq(void);
-void tx3927_irq_init(void);
-void tx3927_mtd_init(int ch);
-
-#endif /* __ASM_TXX9_TX3927_H */
diff --git a/arch/mips/include/asm/txx9irq.h b/arch/mips/include/asm/txx9irq.h
index 68a6650a4025..3875243bb56b 100644
--- a/arch/mips/include/asm/txx9irq.h
+++ b/arch/mips/include/asm/txx9irq.h
@@ -21,11 +21,7 @@
#endif
#endif
-#ifdef CONFIG_CPU_TX39XX
-#define TXx9_MAX_IR 16
-#else
#define TXx9_MAX_IR 32
-#endif
void txx9_irq_init(unsigned long baseaddr);
int txx9_irq(void);
diff --git a/arch/mips/include/asm/txx9tmr.h b/arch/mips/include/asm/txx9tmr.h
index 466a3def3866..a051b411368e 100644
--- a/arch/mips/include/asm/txx9tmr.h
+++ b/arch/mips/include/asm/txx9tmr.h
@@ -58,10 +58,6 @@ void txx9_clockevent_init(unsigned long baseaddr, int irq,
unsigned int imbusclk);
void txx9_tmr_init(unsigned long baseaddr);
-#ifdef CONFIG_CPU_TX39XX
-#define TXX9_TIMER_BITS 24
-#else
#define TXX9_TIMER_BITS 32
-#endif
#endif /* __ASM_TXX9TMR_H */
diff --git a/arch/mips/include/asm/vermagic.h b/arch/mips/include/asm/vermagic.h
index 0904de0b5e09..1c33922eb945 100644
--- a/arch/mips/include/asm/vermagic.h
+++ b/arch/mips/include/asm/vermagic.h
@@ -22,8 +22,6 @@
#define MODULE_PROC_FAMILY "MIPS64_R6 "
#elif defined CONFIG_CPU_R3000
#define MODULE_PROC_FAMILY "R3000 "
-#elif defined CONFIG_CPU_TX39XX
-#define MODULE_PROC_FAMILY "TX39XX "
#elif defined CONFIG_CPU_VR41XX
#define MODULE_PROC_FAMILY "VR41XX "
#elif defined CONFIG_CPU_R4300
diff --git a/arch/mips/include/asm/war.h b/arch/mips/include/asm/war.h
deleted file mode 100644
index 21443f096238..000000000000
--- a/arch/mips/include/asm/war.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * 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) 2002, 2004, 2007 by Ralf Baechle
- * Copyright (C) 2007 Maciej W. Rozycki
- */
-#ifndef _ASM_WAR_H
-#define _ASM_WAR_H
-
-/*
- * Work around certain R4000 CPU errata (as implemented by GCC):
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed immediately after starting an integer division:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #28
- * "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
- * #19
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed while an integer multiplication is in progress:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * errata #16 & #28
- *
- * - An integer division may give an incorrect result if started in
- * a delay slot of a taken branch or a jump:
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #52
- */
-#ifdef CONFIG_CPU_R4000_WORKAROUNDS
-#define R4000_WAR 1
-#else
-#define R4000_WAR 0
-#endif
-
-/*
- * Work around certain R4400 CPU errata (as implemented by GCC):
- *
- * - A double-word or a variable shift may give an incorrect result
- * if executed immediately after starting an integer division:
- * "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
- * "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
- */
-#ifdef CONFIG_CPU_R4400_WORKAROUNDS
-#define R4400_WAR 1
-#else
-#define R4400_WAR 0
-#endif
-
-/*
- * Work around the "daddi" and "daddiu" CPU errata:
- *
- * - The `daddi' instruction fails to trap on overflow.
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #23
- *
- * - The `daddiu' instruction can produce an incorrect result.
- * "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
- * erratum #41
- * "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
- * #15
- * "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
- * "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
- */
-#ifdef CONFIG_CPU_DADDI_WORKAROUNDS
-#define DADDI_WAR 1
-#else
-#define DADDI_WAR 0
-#endif
-
-#endif /* _ASM_WAR_H */
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 814b3da30501..7c96282bff2e 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
sw-y := r4k_switch.o
sw-$(CONFIG_CPU_R3000) := r2300_switch.o
-sw-$(CONFIG_CPU_TX39XX) := r2300_switch.o
sw-$(CONFIG_CPU_CAVIUM_OCTEON) := octeon_switch.o
obj-y += $(sw-y)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 24a529c6c4be..f0ea92937546 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1189,29 +1189,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
c->tlbsize = 48;
break;
#endif
- case PRID_IMP_TX39:
- c->fpu_msk31 |= FPU_CSR_CONDX | FPU_CSR_FS;
- c->options = MIPS_CPU_TLB | MIPS_CPU_TX39_CACHE;
-
- if ((c->processor_id & 0xf0) == (PRID_REV_TX3927 & 0xf0)) {
- c->cputype = CPU_TX3927;
- __cpu_name[cpu] = "TX3927";
- c->tlbsize = 64;
- } else {
- switch (c->processor_id & PRID_REV_MASK) {
- case PRID_REV_TX3912:
- c->cputype = CPU_TX3912;
- __cpu_name[cpu] = "TX3912";
- c->tlbsize = 32;
- break;
- case PRID_REV_TX3922:
- c->cputype = CPU_TX3922;
- __cpu_name[cpu] = "TX3922";
- c->tlbsize = 64;
- break;
- }
- }
- break;
case PRID_IMP_R4700:
c->cputype = CPU_R4700;
__cpu_name[cpu] = "R4700";
diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c
index af654771918c..be93469c0e0e 100644
--- a/arch/mips/kernel/cpu-r3k-probe.c
+++ b/arch/mips/kernel/cpu-r3k-probe.c
@@ -118,28 +118,6 @@ void cpu_probe(void)
c->options |= MIPS_CPU_FPU;
c->tlbsize = 64;
break;
- case PRID_COMP_LEGACY | PRID_IMP_TX39:
- c->options = MIPS_CPU_TLB | MIPS_CPU_TX39_CACHE;
-
- if ((c->processor_id & 0xf0) == (PRID_REV_TX3927 & 0xf0)) {
- c->cputype = CPU_TX3927;
- __cpu_name[cpu] = "TX3927";
- c->tlbsize = 64;
- } else {
- switch (c->processor_id & PRID_REV_MASK) {
- case PRID_REV_TX3912:
- c->cputype = CPU_TX3912;
- __cpu_name[cpu] = "TX3912";
- c->tlbsize = 32;
- break;
- case PRID_REV_TX3922:
- c->cputype = CPU_TX3922;
- __cpu_name[cpu] = "TX3922";
- c->tlbsize = 64;
- break;
- }
- }
- break;
}
BUG_ON(!__cpu_name[cpu]);
diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c
index 7b045d2a0b51..5582a4ca1e9e 100644
--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@@ -328,16 +328,10 @@ void mips_set_personality_nan(struct arch_elf_state *state)
int mips_elf_read_implies_exec(void *elf_ex, int exstack)
{
- if (exstack != EXSTACK_DISABLE_X) {
- /* The binary doesn't request a non-executable stack */
- return 1;
- }
-
- if (!cpu_has_rixi) {
- /* The CPU doesn't support non-executable memory */
- return 1;
- }
-
- return 0;
+ /*
+ * Set READ_IMPLIES_EXEC only on non-NX systems that
+ * do not request a specific state via PT_GNU_STACK.
+ */
+ return (!cpu_has_rixi && exstack == EXSTACK_DEFAULT);
}
EXPORT_SYMBOL(mips_elf_read_implies_exec);
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 4b896f5023ff..891393626dc6 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -17,7 +17,6 @@
#include <asm/stackframe.h>
#include <asm/isadep.h>
#include <asm/thread_info.h>
-#include <asm/war.h>
#ifndef CONFIG_PREEMPTION
#define resume_kernel restore_all
@@ -101,7 +100,7 @@ restore_partial: # restore partial frame
SAVE_AT
SAVE_TEMP
LONG_L v0, PT_STATUS(sp)
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
and v0, ST0_IEP
#else
and v0, ST0_IE
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 743d75927b71..3425df6019c0 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -19,7 +19,6 @@
#include <asm/mipsregs.h>
#include <asm/stackframe.h>
#include <asm/sync.h>
-#include <asm/war.h>
#include <asm/thread_info.h>
__INIT
@@ -163,7 +162,7 @@ NESTED(handle_int, PT_SIZE, sp)
.set push
.set noat
mfc0 k0, CP0_STATUS
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
and k0, ST0_IEP
bnez k0, 1f
@@ -645,7 +644,7 @@ isrdhwr:
get_saved_sp /* k1 := current_thread_info */
.set noreorder
MFC0 k0, CP0_EPC
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
ori k1, _THREAD_MASK
xori k1, _THREAD_MASK
LONG_L v1, TI_TP_VALUE(k1)
diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index c81b3a039470..146d9fa77f75 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -36,13 +36,6 @@ static void __cpuidle r3081_wait(void)
raw_local_irq_enable();
}
-static void __cpuidle r39xx_wait(void)
-{
- if (!need_resched())
- write_c0_conf(read_c0_conf() | TX39_CONF_HALT);
- raw_local_irq_enable();
-}
-
void __cpuidle r4k_wait(void)
{
raw_local_irq_enable();
@@ -147,9 +140,6 @@ void __init check_wait(void)
case CPU_R3081E:
cpu_wait = r3081_wait;
break;
- case CPU_TX3927:
- cpu_wait = r39xx_wait;
- break;
case CPU_R4200:
/* case CPU_R4300: */
case CPU_R4600:
diff --git a/arch/mips/kernel/irq_txx9.c b/arch/mips/kernel/irq_txx9.c
index ab00e490482f..af3ef4c9f7de 100644
--- a/arch/mips/kernel/irq_txx9.c
+++ b/arch/mips/kernel/irq_txx9.c
@@ -72,11 +72,6 @@ static void txx9_irq_unmask(struct irq_data *d)
__raw_writel((__raw_readl(ilrp) & ~(0xff << ofs))
| (txx9irq[irq_nr].level << ofs),
ilrp);
-#ifdef CONFIG_CPU_TX39XX
- /* update IRCSR */
- __raw_writel(0, &txx9_ircptr->imr);
- __raw_writel(irc_elevel, &txx9_ircptr->imr);
-#endif
}
static inline void txx9_irq_mask(struct irq_data *d)
@@ -88,15 +83,7 @@ static inline void txx9_irq_mask(struct irq_data *d)
__raw_writel((__raw_readl(ilrp) & ~(0xff << ofs))
| (irc_dlevel << ofs),
ilrp);
-#ifdef CONFIG_CPU_TX39XX
- /* update IRCSR */
- __raw_writel(0, &txx9_ircptr->imr);
- __raw_writel(irc_elevel, &txx9_ircptr->imr);
- /* flush write buffer */
- __raw_readl(&txx9_ircptr->ssr);
-#else
mmiowb();
-#endif
}
static void txx9_irq_mask_ack(struct irq_data *d)
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 9f47a889b047..bb43bf850314 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -181,8 +181,6 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_puts(m, " 3k_cache");
if (cpu_has_4k_cache)
seq_puts(m, " 4k_cache");
- if (cpu_has_tx39_cache)
- seq_puts(m, " tx39_cache");
if (cpu_has_octeon_cache)
seq_puts(m, " octeon_cache");
if (raw_cpu_has_fpu)
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index cbff1b974f88..c2d5f4bfe1f3 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -128,7 +128,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.reg17 = kthread_arg;
p->thread.reg29 = childksp;
p->thread.reg31 = (unsigned long) ret_from_kernel_thread;
-#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+#if defined(CONFIG_CPU_R3000)
status = (status & ~(ST0_KUP | ST0_IEP | ST0_IEC)) |
((status & (ST0_KUC | ST0_IEC)) << 2);
#else
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 6abebd57b218..7db6ff9aed7d 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -64,4 +64,9 @@ int __init __dt_register_buses(const char *bus0, const char *bus1)
return 0;
}
+void __weak __init device_tree_init(void)
+{
+ unflatten_and_copy_device_tree();
+}
+
#endif
diff --git a/arch/mips/kernel/r4k-bugs64.c b/arch/mips/kernel/r4k-bugs64.c
index 35729c9e6cfa..6ffefb2c6971 100644
--- a/arch/mips/kernel/r4k-bugs64.c
+++ b/arch/mips/kernel/r4k-bugs64.c
@@ -163,7 +163,8 @@ static __always_inline __init void check_mult_sh(void)
}
pr_cont("no.\n");
- panic(bug64hit, !R4000_WAR ? r4kwar : nowar);
+ panic(bug64hit,
+ IS_ENABLED(CONFIG_CPU_R4000_WORKAROUNDS) ? nowar : r4kwar);
}
static volatile int daddi_ov;
@@ -239,7 +240,8 @@ static __init void check_daddi(void)
}
pr_cont("no.\n");
- panic(bug64hit, !DADDI_WAR ? daddiwar : nowar);
+ panic(bug64hit,
+ IS_ENABLED(CONFIG_CPU_DADDI_WORKAROUNDS) ? nowar : daddiwar);
}
int daddiu_bug = -1;
@@ -307,7 +309,8 @@ static __init void check_daddiu(void)
}
pr_cont("no.\n");
- panic(bug64hit, !DADDI_WAR ? daddiwar : nowar);
+ panic(bug64hit,
+ IS_ENABLED(CONFIG_CPU_DADDI_WORKAROUNDS) ? nowar : daddiwar);
}
void __init check_bugs64_early(void)
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 9bfce5f75f60..18dc9b345056 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -19,7 +19,6 @@
#include <asm/sysmips.h>
#include <asm/thread_info.h>
#include <asm/unistd.h>
-#include <asm/war.h>
#include <asm/asm-offsets.h>
.align 5
diff --git a/arch/mips/kernel/scall64-n64.S b/arch/mips/kernel/scall64-n64.S
index 5f6ed4b4c399..e6264aa62e45 100644
--- a/arch/mips/kernel/scall64-n64.S
+++ b/arch/mips/kernel/scall64-n64.S
@@ -18,7 +18,6 @@
#include <asm/sysmips.h>
#include <asm/thread_info.h>
#include <asm/unistd.h>
-#include <asm/war.h>
#ifndef CONFIG_MIPS32_COMPAT
/* Neither O32 nor N32, so define handle_sys here */
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 5bce782e694c..71e309be86a2 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -35,7 +35,6 @@
#include <asm/sim.h>
#include <asm/ucontext.h>
#include <asm/cpu-features.h>
-#include <asm/war.h>
#include <asm/dsp.h>
#include <asm/inst.h>
#include <asm/msa.h>
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 7bd00fad61af..cfc77b69420a 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -24,7 +24,6 @@
#include <asm/ucontext.h>
#include <asm/fpu.h>
#include <asm/cpu-features.h>
-#include <asm/war.h>
#include "signal-common.h"
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index a486486b2355..246c6a6b0261 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2091,19 +2091,19 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
* If no shadow set is selected then use the default handler
* that does normal register saving and standard interrupt exit
*/
- extern char except_vec_vi, except_vec_vi_lui;
- extern char except_vec_vi_ori, except_vec_vi_end;
- extern char rollback_except_vec_vi;
- char *vec_start = using_rollback_handler() ?
- &rollback_except_vec_vi : &except_vec_vi;
+ extern const u8 except_vec_vi[], except_vec_vi_lui[];
+ extern const u8 except_vec_vi_ori[], except_vec_vi_end[];
+ extern const u8 rollback_except_vec_vi[];
+ const u8 *vec_start = using_rollback_handler() ?
+ rollback_except_vec_vi : except_vec_vi;
#if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_BIG_ENDIAN)
- const int lui_offset = &except_vec_vi_lui - vec_start + 2;
- const int ori_offset = &except_vec_vi_ori - vec_start + 2;
+ const int lui_offset = except_vec_vi_lui - vec_start + 2;
+ const int ori_offset = except_vec_vi_ori - vec_start + 2;
#else
- const int lui_offset = &except_vec_vi_lui - vec_start;
- const int ori_offset = &except_vec_vi_ori - vec_start;
+ const int lui_offset = except_vec_vi_lui - vec_start;
+ const int ori_offset = except_vec_vi_ori - vec_start;
#endif
- const int handler_len = &except_vec_vi_end - vec_start;
+ const int handler_len = except_vec_vi_end - vec_start;
if (handler_len > VECTORSPACING) {
/*
@@ -2311,7 +2311,7 @@ void per_cpu_trap_init(bool is_boot_cpu)
}
/* Install CPU exception handler */
-void set_handler(unsigned long offset, void *addr, unsigned long size)
+void set_handler(unsigned long offset, const void *addr, unsigned long size)
{
#ifdef CONFIG_CPU_MICROMIPS
memcpy((void *)(ebase + offset), ((unsigned char *)addr - 1), size);
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index bc9f58fcbdf9..c731082a0c42 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -84,11 +84,6 @@ void __init plat_mem_setup(void)
__dt_setup_arch(dtb);
}
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
-}
-
void __init prom_init(void)
{
/* call the soc specific detetcion code and get it to fill soc_info */
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 479f50559c83..5d5b993cbc2b 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -13,7 +13,6 @@ lib-$(CONFIG_GENERIC_CSUM) := $(filter-out csum_partial.o, $(lib-y))
obj-$(CONFIG_CPU_GENERIC_DUMP_TLB) += dump_tlb.o
obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o
-obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o
# libgcc-style stuff needed in the kernel
obj-y += bswapsi.o bswapdi.o multi3.o
diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c
index 2e8dfc1d59c8..ccdb1fc1e4bf 100644
--- a/arch/mips/lib/delay.c
+++ b/arch/mips/lib/delay.c
@@ -16,7 +16,6 @@
#include <asm/asm.h>
#include <asm/compiler.h>
-#include <asm/war.h>
#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
#define GCC_DADDI_IMM_ASM() "I"
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 10b4bf7f70a3..fcf594af0002 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -14,15 +14,11 @@
#include <asm/page.h>
#include <asm/tlbdebug.h>
-extern int r3k_have_wired_reg;
-
void dump_tlb_regs(void)
{
pr_info("Index : %0x\n", read_c0_index());
pr_info("EntryHi : %0lx\n", read_c0_entryhi());
pr_info("EntryLo : %0lx\n", read_c0_entrylo0());
- if (r3k_have_wired_reg)
- pr_info("Wired : %0x\n", read_c0_wired());
}
static void dump_tlb(int first, int last)
diff --git a/arch/mips/loongson2ef/Platform b/arch/mips/loongson2ef/Platform
index 50e659aca543..eebabf9df6ac 100644
--- a/arch/mips/loongson2ef/Platform
+++ b/arch/mips/loongson2ef/Platform
@@ -41,6 +41,7 @@ cflags-y += $(call cc-option,-mno-loongson-mmi)
# Loongson Machines' Support
#
-cflags-$(CONFIG_MACH_LOONGSON2EF) += -I$(srctree)/arch/mips/include/asm/mach-loongson2ef -mno-branch-likely
+cflags-$(CONFIG_MACH_LOONGSON2EF) += -I$(srctree)/arch/mips/include/asm/mach-loongson2ef
+cflags-$(CONFIG_CC_HAS_MNO_BRANCH_LIKELY) += -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
diff --git a/arch/mips/loongson64/Platform b/arch/mips/loongson64/Platform
index 3e660d6d3c2b..473404cae1c4 100644
--- a/arch/mips/loongson64/Platform
+++ b/arch/mips/loongson64/Platform
@@ -5,24 +5,9 @@
cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap
-#
-# binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a
-# as MIPS64 R2; older versions as just R1. This leaves the possibility open
-# that GCC might generate R2 code for -march=loongson3a which then is rejected
-# by GAS. The cc-option can't probe for this behaviour so -march=loongson3a
-# can't easily be used safely within the kbuild framework.
-#
-ifeq ($(call cc-ifversion, -ge, 0409, y), y)
- ifeq ($(call ld-ifversion, -ge, 22500, y), y)
- cflags-$(CONFIG_CPU_LOONGSON64) += \
- $(call cc-option,-march=loongson3a -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64)
- else
- cflags-$(CONFIG_CPU_LOONGSON64) += \
- $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64)
- endif
-else
- cflags-$(CONFIG_CPU_LOONGSON64) += \
- $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64)
+ifdef CONFIG_CPU_LOONGSON64
+cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a
+cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2
endif
# Some -march= flags enable MMI instructions, and GCC complains about that
@@ -33,5 +18,6 @@ cflags-y += $(call cc-option,-mno-loongson-mmi)
# Loongson Machines' Support
#
-cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely
+cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64
+cflags-$(CONFIG_CC_HAS_MNO_BRANCH_LIKELY) += -mno-branch-likely
load-$(CONFIG_CPU_LOONGSON64) += 0xffffffff80200000
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index e8e3e48c5333..69a533148efd 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -197,3 +197,13 @@ void __init prom_init_numa_memory(void)
prom_meminit();
}
EXPORT_SYMBOL(prom_init_numa_memory);
+
+pg_data_t * __init arch_alloc_nodedata(int nid)
+{
+ return memblock_alloc(sizeof(pg_data_t), SMP_CACHE_BYTES);
+}
+
+void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+ __node_data[nid] = pgdat;
+}
diff --git a/arch/mips/loongson64/setup.c b/arch/mips/loongson64/setup.c
index 6fe3ffffcaa6..3cd11c2b308b 100644
--- a/arch/mips/loongson64/setup.c
+++ b/arch/mips/loongson64/setup.c
@@ -36,11 +36,3 @@ void __init plat_mem_setup(void)
if (loongson_fdt_blob)
__dt_setup_arch(loongson_fdt_blob);
}
-
-void __init device_tree_init(void)
-{
- if (!initial_boot_params)
- return;
-
- unflatten_and_copy_device_tree();
-}
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index 4acc4f3d31f8..304692391519 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -36,7 +36,6 @@ obj-$(CONFIG_CPU_R3K_TLB) += tlb-r3k.o
obj-$(CONFIG_CPU_R4K_CACHE_TLB) += c-r4k.o cex-gen.o tlb-r4k.o
obj-$(CONFIG_CPU_R3000) += c-r3k.o
obj-$(CONFIG_CPU_SB1) += c-r4k.o cerr-sb1.o cex-sb1.o tlb-r4k.o
-obj-$(CONFIG_CPU_TX39XX) += c-tx39.o
obj-$(CONFIG_CPU_CAVIUM_OCTEON) += c-octeon.o cex-oct.o tlb-r4k.o
obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index 737870d8fd94..c7ed589de882 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -23,7 +23,6 @@
#include <asm/r4kcache.h>
#include <asm/traps.h>
#include <asm/mmu_context.h>
-#include <asm/war.h>
#include <asm/octeon/octeon.h>
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 50261fd8eb21..ccb9e47322b0 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -33,7 +33,6 @@
#include <asm/r4kcache.h>
#include <asm/sections.h>
#include <asm/mmu_context.h>
-#include <asm/war.h>
#include <asm/cacheflush.h> /* for run_uncached() */
#include <asm/traps.h>
#include <asm/mips-cps.h>
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
deleted file mode 100644
index 03dfbb40ec73..000000000000
--- a/arch/mips/mm/c-tx39.c
+++ /dev/null
@@ -1,414 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * r2300.c: R2000 and R3000 specific mmu/cache code.
- *
- * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
- *
- * with a lot of changes to make this thing work for R3000s
- * Tx39XX R4k style caches added. HK
- * Copyright (C) 1998, 1999, 2000 Harald Koerfgen
- * Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/mm.h>
-
-#include <asm/cacheops.h>
-#include <asm/page.h>
-#include <asm/mmu_context.h>
-#include <asm/isadep.h>
-#include <asm/io.h>
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-
-/* For R3000 cores with R4000 style caches */
-static unsigned long icache_size, dcache_size; /* Size in bytes */
-
-#include <asm/r4kcache.h>
-
-/* This sequence is required to ensure icache is disabled immediately */
-#define TX39_STOP_STREAMING() \
-__asm__ __volatile__( \
- ".set push\n\t" \
- ".set noreorder\n\t" \
- "b 1f\n\t" \
- "nop\n\t" \
- "1:\n\t" \
- ".set pop" \
- )
-
-/* TX39H-style cache flush routines. */
-static void tx39h_flush_icache_all(void)
-{
- unsigned long flags, config;
-
- /* disable icache (set ICE#) */
- local_irq_save(flags);
- config = read_c0_conf();
- write_c0_conf(config & ~TX39_CONF_ICE);
- TX39_STOP_STREAMING();
- blast_icache16();
- write_c0_conf(config);
- local_irq_restore(flags);
-}
-
-static void tx39h_dma_cache_wback_inv(unsigned long addr, unsigned long size)
-{
- /* Catch bad driver code */
- BUG_ON(size == 0);
-
- iob();
- blast_inv_dcache_range(addr, addr + size);
-}
-
-
-/* TX39H2,TX39H3 */
-static inline void tx39_blast_dcache_page(unsigned long addr)
-{
- if (current_cpu_type() != CPU_TX3912)
- blast_dcache16_page(addr);
-}
-
-static inline void tx39_blast_dcache_page_indexed(unsigned long addr)
-{
- blast_dcache16_page_indexed(addr);
-}
-
-static inline void tx39_blast_dcache(void)
-{
- blast_dcache16();
-}
-
-static inline void tx39_blast_icache_page(unsigned long addr)
-{
- unsigned long flags, config;
- /* disable icache (set ICE#) */
- local_irq_save(flags);
- config = read_c0_conf();
- write_c0_conf(config & ~TX39_CONF_ICE);
- TX39_STOP_STREAMING();
- blast_icache16_page(addr);
- write_c0_conf(config);
- local_irq_restore(flags);
-}
-
-static inline void tx39_blast_icache_page_indexed(unsigned long addr)
-{
- unsigned long flags, config;
- /* disable icache (set ICE#) */
- local_irq_save(flags);
- config = read_c0_conf();
- write_c0_conf(config & ~TX39_CONF_ICE);
- TX39_STOP_STREAMING();
- blast_icache16_page_indexed(addr);
- write_c0_conf(config);
- local_irq_restore(flags);
-}
-
-static inline void tx39_blast_icache(void)
-{
- unsigned long flags, config;
- /* disable icache (set ICE#) */
- local_irq_save(flags);
- config = read_c0_conf();
- write_c0_conf(config & ~TX39_CONF_ICE);
- TX39_STOP_STREAMING();
- blast_icache16();
- write_c0_conf(config);
- local_irq_restore(flags);
-}
-
-static void tx39__flush_cache_vmap(void)
-{
- tx39_blast_dcache();
-}
-
-static void tx39__flush_cache_vunmap(void)
-{
- tx39_blast_dcache();
-}
-
-static inline void tx39_flush_cache_all(void)
-{
- if (!cpu_has_dc_aliases)
- return;
-
- tx39_blast_dcache();
-}
-
-static inline void tx39___flush_cache_all(void)
-{
- tx39_blast_dcache();
- tx39_blast_icache();
-}
-
-static void tx39_flush_cache_mm(struct mm_struct *mm)
-{
- if (!cpu_has_dc_aliases)
- return;
-
- if (cpu_context(smp_processor_id(), mm) != 0)
- tx39_blast_dcache();
-}
-
-static void tx39_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
-{
- if (!cpu_has_dc_aliases)
- return;
- if (!(cpu_context(smp_processor_id(), vma->vm_mm)))
- return;
-
- tx39_blast_dcache();
-}
-
-static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn)
-{
- int exec = vma->vm_flags & VM_EXEC;
- struct mm_struct *mm = vma->vm_mm;
- pmd_t *pmdp;
- pte_t *ptep;
-
- /*
- * If ownes no valid ASID yet, cannot possibly have gotten
- * this page into the cache.
- */
- if (cpu_context(smp_processor_id(), mm) == 0)
- return;
-
- page &= PAGE_MASK;
- pmdp = pmd_off(mm, page);
- ptep = pte_offset_kernel(pmdp, page);
-
- /*
- * If the page isn't marked valid, the page cannot possibly be
- * in the cache.
- */
- if (!(pte_val(*ptep) & _PAGE_PRESENT))
- return;
-
- /*
- * Doing flushes for another ASID than the current one is
- * too difficult since stupid R4k caches do a TLB translation
- * for every cache flush operation. So we do indexed flushes
- * in that case, which doesn't overly flush the cache too much.
- */
- if ((mm == current->active_mm) && (pte_val(*ptep) & _PAGE_VALID)) {
- if (cpu_has_dc_aliases || exec)
- tx39_blast_dcache_page(page);
- if (exec)
- tx39_blast_icache_page(page);
-
- return;
- }
-
- /*
- * Do indexed flush, too much work to get the (possible) TLB refills
- * to work correctly.
- */
- if (cpu_has_dc_aliases || exec)
- tx39_blast_dcache_page_indexed(page);
- if (exec)
- tx39_blast_icache_page_indexed(page);
-}
-
-static void local_tx39_flush_data_cache_page(void * addr)
-{
- tx39_blast_dcache_page((unsigned long)addr);
-}
-
-static void tx39_flush_data_cache_page(unsigned long addr)
-{
- tx39_blast_dcache_page(addr);
-}
-
-static void tx39_flush_icache_range(unsigned long start, unsigned long end)
-{
- if (end - start > dcache_size)
- tx39_blast_dcache();
- else
- protected_blast_dcache_range(start, end);
-
- if (end - start > icache_size)
- tx39_blast_icache();
- else {
- unsigned long flags, config;
- /* disable icache (set ICE#) */
- local_irq_save(flags);
- config = read_c0_conf();
- write_c0_conf(config & ~TX39_CONF_ICE);
- TX39_STOP_STREAMING();
- protected_blast_icache_range(start, end);
- write_c0_conf(config);
- local_irq_restore(flags);
- }
-}
-
-static void tx39_flush_kernel_vmap_range(unsigned long vaddr, int size)
-{
- BUG();
-}
-
-static void tx39_dma_cache_wback_inv(unsigned long addr, unsigned long size)
-{
- unsigned long end;
-
- if (((size | addr) & (PAGE_SIZE - 1)) == 0) {
- end = addr + size;
- do {
- tx39_blast_dcache_page(addr);
- addr += PAGE_SIZE;
- } while(addr != end);
- } else if (size > dcache_size) {
- tx39_blast_dcache();
- } else {
- blast_dcache_range(addr, addr + size);
- }
-}
-
-static void tx39_dma_cache_inv(unsigned long addr, unsigned long size)
-{
- unsigned long end;
-
- if (((size | addr) & (PAGE_SIZE - 1)) == 0) {
- end = addr + size;
- do {
- tx39_blast_dcache_page(addr);
- addr += PAGE_SIZE;
- } while(addr != end);
- } else if (size > dcache_size) {
- tx39_blast_dcache();
- } else {
- blast_inv_dcache_range(addr, addr + size);
- }
-}
-
-static __init void tx39_probe_cache(void)
-{
- unsigned long config;
-
- config = read_c0_conf();
-
- icache_size = 1 << (10 + ((config & TX39_CONF_ICS_MASK) >>
- TX39_CONF_ICS_SHIFT));
- dcache_size = 1 << (10 + ((config & TX39_CONF_DCS_MASK) >>
- TX39_CONF_DCS_SHIFT));
-
- current_cpu_data.icache.linesz = 16;
- switch (current_cpu_type()) {
- case CPU_TX3912:
- current_cpu_data.icache.ways = 1;
- current_cpu_data.dcache.ways = 1;
- current_cpu_data.dcache.linesz = 4;
- break;
-
- case CPU_TX3927:
- current_cpu_data.icache.ways = 2;
- current_cpu_data.dcache.ways = 2;
- current_cpu_data.dcache.linesz = 16;
- break;
-
- case CPU_TX3922:
- default:
- current_cpu_data.icache.ways = 1;
- current_cpu_data.dcache.ways = 1;
- current_cpu_data.dcache.linesz = 16;
- break;
- }
-}
-
-void tx39_cache_init(void)
-{
- extern void build_clear_page(void);
- extern void build_copy_page(void);
- unsigned long config;
-
- config = read_c0_conf();
- config &= ~TX39_CONF_WBON;
- write_c0_conf(config);
-
- tx39_probe_cache();
-
- switch (current_cpu_type()) {
- case CPU_TX3912:
- /* TX39/H core (writethru direct-map cache) */
- __flush_cache_vmap = tx39__flush_cache_vmap;
- __flush_cache_vunmap = tx39__flush_cache_vunmap;
- flush_cache_all = tx39h_flush_icache_all;
- __flush_cache_all = tx39h_flush_icache_all;
- flush_cache_mm = (void *) tx39h_flush_icache_all;
- flush_cache_range = (void *) tx39h_flush_icache_all;
- flush_cache_page = (void *) tx39h_flush_icache_all;
- flush_icache_range = (void *) tx39h_flush_icache_all;
- local_flush_icache_range = (void *) tx39h_flush_icache_all;
-
- local_flush_data_cache_page = (void *) tx39h_flush_icache_all;
- flush_data_cache_page = (void *) tx39h_flush_icache_all;
-
- _dma_cache_wback_inv = tx39h_dma_cache_wback_inv;
-
- shm_align_mask = PAGE_SIZE - 1;
-
- break;
-
- case CPU_TX3922:
- case CPU_TX3927:
- default:
- /* TX39/H2,H3 core (writeback 2way-set-associative cache) */
- /* board-dependent init code may set WBON */
-
- __flush_cache_vmap = tx39__flush_cache_vmap;
- __flush_cache_vunmap = tx39__flush_cache_vunmap;
-
- flush_cache_all = tx39_flush_cache_all;
- __flush_cache_all = tx39___flush_cache_all;
- flush_cache_mm = tx39_flush_cache_mm;
- flush_cache_range = tx39_flush_cache_range;
- flush_cache_page = tx39_flush_cache_page;
- flush_icache_range = tx39_flush_icache_range;
- local_flush_icache_range = tx39_flush_icache_range;
-
- __flush_kernel_vmap_range = tx39_flush_kernel_vmap_range;
-
- local_flush_data_cache_page = local_tx39_flush_data_cache_page;
- flush_data_cache_page = tx39_flush_data_cache_page;
-
- _dma_cache_wback_inv = tx39_dma_cache_wback_inv;
- _dma_cache_wback = tx39_dma_cache_wback_inv;
- _dma_cache_inv = tx39_dma_cache_inv;
-
- shm_align_mask = max_t(unsigned long,
- (dcache_size / current_cpu_data.dcache.ways) - 1,
- PAGE_SIZE - 1);
-
- break;
- }
-
- __flush_icache_user_range = flush_icache_range;
- __local_flush_icache_user_range = local_flush_icache_range;
-
- current_cpu_data.icache.waysize = icache_size / current_cpu_data.icache.ways;
- current_cpu_data.dcache.waysize = dcache_size / current_cpu_data.dcache.ways;
-
- current_cpu_data.icache.sets =
- current_cpu_data.icache.waysize / current_cpu_data.icache.linesz;
- current_cpu_data.dcache.sets =
- current_cpu_data.dcache.waysize / current_cpu_data.dcache.linesz;
-
- if (current_cpu_data.dcache.waysize > PAGE_SIZE)
- current_cpu_data.dcache.flags |= MIPS_CACHE_ALIASES;
-
- current_cpu_data.icache.waybit = 0;
- current_cpu_data.dcache.waybit = 0;
-
- pr_info("Primary instruction cache %ldkB, linesize %d bytes\n",
- icache_size >> 10, current_cpu_data.icache.linesz);
- pr_info("Primary data cache %ldkB, linesize %d bytes\n",
- dcache_size >> 10, current_cpu_data.dcache.linesz);
-
- build_clear_page();
- build_copy_page();
- tx39h_flush_icache_all();
-}
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 830ab91e574f..7be7240f7703 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -195,11 +195,6 @@ void cpu_cache_init(void)
r4k_cache_init();
}
- if (cpu_has_tx39_cache) {
- extern void __weak tx39_cache_init(void);
-
- tx39_cache_init();
- }
if (cpu_has_octeon_cache) {
extern void __weak octeon_cache_init(void);
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 504bc4047c4c..d3b4459d0fe8 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -25,7 +25,6 @@
#include <asm/mipsregs.h>
#include <asm/mmu_context.h>
#include <asm/cpu.h>
-#include <asm/war.h>
#ifdef CONFIG_SIBYTE_DMA_PAGEOPS
#include <asm/sibyte/sb1250.h>
@@ -103,7 +102,9 @@ static int cache_line_size;
static inline void
pg_addiu(u32 **buf, unsigned int reg1, unsigned int reg2, unsigned int off)
{
- if (cpu_has_64bit_gp_regs && DADDI_WAR && r4k_daddiu_bug()) {
+ if (cpu_has_64bit_gp_regs &&
+ IS_ENABLED(CONFIG_CPU_DADDI_WORKAROUNDS) &&
+ r4k_daddiu_bug()) {
if (off > 0x7fff) {
uasm_i_lui(buf, T9, uasm_rel_hi(off));
uasm_i_addiu(buf, T9, T9, uasm_rel_lo(off));
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index a36622ebea55..53dfa2b9316b 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -36,8 +36,6 @@ extern void build_tlb_refill_handler(void);
"nop\n\t" \
".set pop\n\t")
-int r3k_have_wired_reg; /* Should be in cpu_data? */
-
/* TLB operations. */
static void local_flush_tlb_from(int entry)
{
@@ -62,7 +60,7 @@ void local_flush_tlb_all(void)
printk("[tlball]");
#endif
local_irq_save(flags);
- local_flush_tlb_from(r3k_have_wired_reg ? read_c0_wired() : 8);
+ local_flush_tlb_from(8);
local_irq_restore(flags);
}
@@ -224,34 +222,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long old_ctx;
static unsigned long wired = 0;
- if (r3k_have_wired_reg) { /* TX39XX */
- unsigned long old_pagemask;
- unsigned long w;
-
-#ifdef DEBUG_TLB
- printk("[tlbwired<entry lo0 %8x, hi %8x\n, pagemask %8x>]\n",
- entrylo0, entryhi, pagemask);
-#endif
-
- local_irq_save(flags);
- /* Save old context and create impossible VPN2 value */
- old_ctx = read_c0_entryhi() & asid_mask;
- old_pagemask = read_c0_pagemask();
- w = read_c0_wired();
- write_c0_wired(w + 1);
- write_c0_index(w << 8);
- write_c0_pagemask(pagemask);
- write_c0_entryhi(entryhi);
- write_c0_entrylo0(entrylo0);
- BARRIER;
- tlb_write_indexed();
-
- write_c0_entryhi(old_ctx);
- write_c0_pagemask(old_pagemask);
- local_flush_tlb_all();
- local_irq_restore(flags);
-
- } else if (wired < 8) {
+ if (wired < 8) {
#ifdef DEBUG_TLB
printk("[tlbwired<entry lo0 %8x, hi %8x\n>]\n",
entrylo0, entryhi);
@@ -272,13 +243,6 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
void tlb_init(void)
{
- switch (current_cpu_type()) {
- case CPU_TX3922:
- case CPU_TX3927:
- r3k_have_wired_reg = 1;
- write_c0_wired(0); /* Set to 8 on reset... */
- break;
- }
local_flush_tlb_from(0);
build_tlb_refill_handler();
}
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b131e6a77383..8dbbd99fc7e8 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -33,7 +33,6 @@
#include <asm/cacheflush.h>
#include <asm/cpu-type.h>
#include <asm/mmu_context.h>
-#include <asm/war.h>
#include <asm/uasm.h>
#include <asm/setup.h>
#include <asm/tlbex.h>
@@ -2160,16 +2159,14 @@ static void build_r4000_tlb_load_handler(void)
uasm_i_tlbr(&p);
switch (current_cpu_type()) {
- default:
- if (cpu_has_mips_r2_exec_hazard) {
- uasm_i_ehb(&p);
- fallthrough;
-
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
case CPU_CAVIUM_OCTEON2:
- break;
- }
+ break;
+ default:
+ if (cpu_has_mips_r2_exec_hazard)
+ uasm_i_ehb(&p);
+ break;
}
/* Examine entrylo 0 or 1 based on ptr. */
@@ -2236,15 +2233,14 @@ static void build_r4000_tlb_load_handler(void)
uasm_i_tlbr(&p);
switch (current_cpu_type()) {
- default:
- if (cpu_has_mips_r2_exec_hazard) {
- uasm_i_ehb(&p);
-
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
case CPU_CAVIUM_OCTEON2:
- break;
- }
+ break;
+ default:
+ if (cpu_has_mips_r2_exec_hazard)
+ uasm_i_ehb(&p);
+ break;
}
/* Examine entrylo 0 or 1 based on ptr. */
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index 94c11f5eac74..13bbd12bfa65 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -6,7 +6,6 @@
# Copyright (C) 2008 Wind River Systems, Inc.
# written by Ralf Baechle <ralf@linux-mips.org>
#
-obj-y += malta-dt.o
obj-y += malta-dtshim.o
obj-y += malta-init.o
obj-y += malta-int.o
diff --git a/arch/mips/mti-malta/malta-dt.c b/arch/mips/mti-malta/malta-dt.c
deleted file mode 100644
index d045c9149418..000000000000
--- a/arch/mips/mti-malta/malta-dt.c
+++ /dev/null
@@ -1,15 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@mips.com>
- */
-
-#include <linux/clk-provider.h>
-#include <linux/init.h>
-#include <linux/of_fdt.h>
-#include <linux/of_platform.h>
-
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
-}
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 9a6bc702608c..ed0388485a15 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_PCI_DRIVERS_GENERIC)+= pci-generic.o
obj-$(CONFIG_MIPS_BONITO64) += ops-bonito64.o
obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
-obj-$(CONFIG_SOC_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o
obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
@@ -46,7 +45,6 @@ obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o
obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o
obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o
obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o
-obj-$(CONFIG_TOSHIBA_JMR3927) += fixup-jmr3927.o
obj-$(CONFIG_SOC_TX4927) += pci-tx4927.o
obj-$(CONFIG_SOC_TX4938) += pci-tx4938.o
obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o
diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c
deleted file mode 100644
index d3102eeea898..000000000000
--- a/arch/mips/pci/fixup-jmr3927.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- * Board specific pci fixups.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/types.h>
-#include <asm/txx9/pci.h>
-#include <asm/txx9/jmr3927.h>
-
-int jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- unsigned char irq = pin;
-
- /* IRQ rotation (PICMG) */
- irq--; /* 0-3 */
- if (slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
- /* PCI CardSlot (IDSEL=A23, DevNu=12) */
- /* PCIA => PCIC (IDSEL=A23) */
- /* NOTE: JMR3927 JP1 must be set to OPEN */
- irq = (irq + 2) % 4;
- } else if (slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
- /* PCI CardSlot (IDSEL=A22, DevNu=11) */
- /* PCIA => PCIA (IDSEL=A22) */
- /* NOTE: JMR3927 JP1 must be set to OPEN */
- irq = (irq + 0) % 4;
- } else {
- /* PCI Backplane */
- if (txx9_pci_option & TXX9_PCI_OPT_PICMG)
- irq = (irq + 33 - slot) % 4;
- else
- irq = (irq + 3 + slot) % 4;
- }
- irq++; /* 1-4 */
-
- switch (irq) {
- case 1:
- irq = JMR3927_IRQ_IOC_PCIA;
- break;
- case 2:
- irq = JMR3927_IRQ_IOC_PCIB;
- break;
- case 3:
- irq = JMR3927_IRQ_IOC_PCIC;
- break;
- case 4:
- irq = JMR3927_IRQ_IOC_PCID;
- break;
- }
-
- /* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
- if (dev->bus->parent == NULL &&
- slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24))
- irq = JMR3927_IRQ_ETHER0;
- return irq;
-}
diff --git a/arch/mips/pci/ops-tx3927.c b/arch/mips/pci/ops-tx3927.c
deleted file mode 100644
index d35dc9c9ab9d..000000000000
--- a/arch/mips/pci/ops-tx3927.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
- *
- * Based on arch/mips/ddb5xxx/ddb5477/pci_ops.c
- *
- * Define the pci_ops for TX3927.
- *
- * Much of the code is derived from the original DDB5074 port by
- * Geert Uytterhoeven <geert@linux-m68k.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-
-#include <asm/addrspace.h>
-#include <asm/txx9irq.h>
-#include <asm/txx9/pci.h>
-#include <asm/txx9/tx3927.h>
-
-static int mkaddr(struct pci_bus *bus, unsigned char devfn, unsigned char where)
-{
- if (bus->parent == NULL &&
- devfn >= PCI_DEVFN(TX3927_PCIC_MAX_DEVNU, 0))
- return -1;
- tx3927_pcicptr->ica =
- ((bus->number & 0xff) << 0x10) |
- ((devfn & 0xff) << 0x08) |
- (where & 0xfc) | (bus->parent ? 1 : 0);
-
- /* clear M_ABORT and Disable M_ABORT Int. */
- tx3927_pcicptr->pcistat |= PCI_STATUS_REC_MASTER_ABORT;
- tx3927_pcicptr->pcistatim &= ~PCI_STATUS_REC_MASTER_ABORT;
- return 0;
-}
-
-static inline int check_abort(void)
-{
- if (tx3927_pcicptr->pcistat & PCI_STATUS_REC_MASTER_ABORT) {
- tx3927_pcicptr->pcistat |= PCI_STATUS_REC_MASTER_ABORT;
- tx3927_pcicptr->pcistatim |= PCI_STATUS_REC_MASTER_ABORT;
- /* flush write buffer */
- iob();
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int tx3927_pci_read_config(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 * val)
-{
- if (mkaddr(bus, devfn, where)) {
- *val = 0xffffffff;
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- switch (size) {
- case 1:
- *val = *(volatile u8 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 3));
- break;
-
- case 2:
- *val = le16_to_cpu(*(volatile u16 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 3)));
- break;
-
- case 4:
- *val = le32_to_cpu(tx3927_pcicptr->icd);
- break;
- }
-
- return check_abort();
-}
-
-static int tx3927_pci_write_config(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- if (mkaddr(bus, devfn, where))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- switch (size) {
- case 1:
- *(volatile u8 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 3)) = val;
- break;
-
- case 2:
- *(volatile u16 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 2)) =
- cpu_to_le16(val);
- break;
-
- case 4:
- tx3927_pcicptr->icd = cpu_to_le32(val);
- }
-
- return check_abort();
-}
-
-static struct pci_ops tx3927_pci_ops = {
- .read = tx3927_pci_read_config,
- .write = tx3927_pci_write_config,
-};
-
-void __init tx3927_pcic_setup(struct pci_controller *channel,
- unsigned long sdram_size, int extarb)
-{
- unsigned long flags;
- unsigned long io_base =
- channel->io_resource->start + mips_io_port_base - IO_BASE;
- unsigned long io_size =
- channel->io_resource->end - channel->io_resource->start;
- unsigned long io_pciaddr =
- channel->io_resource->start - channel->io_offset;
- unsigned long mem_base =
- channel->mem_resource->start;
- unsigned long mem_size =
- channel->mem_resource->end - channel->mem_resource->start;
- unsigned long mem_pciaddr =
- channel->mem_resource->start - channel->mem_offset;
-
- printk(KERN_INFO "TX3927 PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s",
- tx3927_pcicptr->did, tx3927_pcicptr->vid,
- tx3927_pcicptr->rid,
- extarb ? "External" : "Internal");
- channel->pci_ops = &tx3927_pci_ops;
-
- local_irq_save(flags);
- /* Disable External PCI Config. Access */
- tx3927_pcicptr->lbc = TX3927_PCIC_LBC_EPCAD;
-#ifdef __BIG_ENDIAN
- tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_IBSE |
- TX3927_PCIC_LBC_TIBSE |
- TX3927_PCIC_LBC_TMFBSE | TX3927_PCIC_LBC_MSDSE;
-#endif
- /* LB->PCI mappings */
- tx3927_pcicptr->iomas = ~(io_size - 1);
- tx3927_pcicptr->ilbioma = io_base;
- tx3927_pcicptr->ipbioma = io_pciaddr;
- tx3927_pcicptr->mmas = ~(mem_size - 1);
- tx3927_pcicptr->ilbmma = mem_base;
- tx3927_pcicptr->ipbmma = mem_pciaddr;
- /* PCI->LB mappings */
- tx3927_pcicptr->iobas = 0xffffffff;
- tx3927_pcicptr->ioba = 0;
- tx3927_pcicptr->tlbioma = 0;
- tx3927_pcicptr->mbas = ~(sdram_size - 1);
- tx3927_pcicptr->mba = 0;
- tx3927_pcicptr->tlbmma = 0;
- /* Enable Direct mapping Address Space Decoder */
- tx3927_pcicptr->lbc |= TX3927_PCIC_LBC_ILMDE | TX3927_PCIC_LBC_ILIDE;
-
- /* Clear All Local Bus Status */
- tx3927_pcicptr->lbstat = TX3927_PCIC_LBIM_ALL;
- /* Enable All Local Bus Interrupts */
- tx3927_pcicptr->lbim = TX3927_PCIC_LBIM_ALL;
- /* Clear All PCI Status Error */
- tx3927_pcicptr->pcistat = TX3927_PCIC_PCISTATIM_ALL;
- /* Enable All PCI Status Error Interrupts */
- tx3927_pcicptr->pcistatim = TX3927_PCIC_PCISTATIM_ALL;
-
- /* PCIC Int => IRC IRQ10 */
- tx3927_pcicptr->il = TX3927_IR_PCI;
- /* Target Control (per errata) */
- tx3927_pcicptr->tc = TX3927_PCIC_TC_OF8E | TX3927_PCIC_TC_IF8E;
-
- /* Enable Bus Arbiter */
- if (!extarb)
- tx3927_pcicptr->pbapmc = TX3927_PCIC_PBAPMC_PBAEN;
-
- tx3927_pcicptr->pcicmd = PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY |
- PCI_COMMAND_IO |
- PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
- local_irq_restore(flags);
-}
-
-static irqreturn_t tx3927_pcierr_interrupt(int irq, void *dev_id)
-{
- struct pt_regs *regs = get_irq_regs();
-
- if (txx9_pci_err_action != TXX9_PCI_ERR_IGNORE) {
- printk(KERN_WARNING "PCI error interrupt at 0x%08lx.\n",
- regs->cp0_epc);
- printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
- tx3927_pcicptr->pcistat, tx3927_pcicptr->lbstat);
- }
- if (txx9_pci_err_action != TXX9_PCI_ERR_PANIC) {
- /* clear all pci errors */
- tx3927_pcicptr->pcistat |= TX3927_PCIC_PCISTATIM_ALL;
- tx3927_pcicptr->istat = TX3927_PCIC_IIM_ALL;
- tx3927_pcicptr->tstat = TX3927_PCIC_TIM_ALL;
- tx3927_pcicptr->lbstat = TX3927_PCIC_LBIM_ALL;
- return IRQ_HANDLED;
- }
- console_verbose();
- panic("PCI error.");
-}
-
-void __init tx3927_setup_pcierr_irq(void)
-{
- if (request_irq(TXX9_IRQ_BASE + TX3927_IR_PCI,
- tx3927_pcierr_interrupt,
- 0, "PCI error",
- (void *)TX3927_PCIC_REG))
- printk(KERN_WARNING "Failed to request irq for PCIERR\n");
-}
diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c
index 9a4bfb4e63e3..30e0922f4cea 100644
--- a/arch/mips/pci/pci-ar2315.c
+++ b/arch/mips/pci/pci-ar2315.c
@@ -384,7 +384,7 @@ static int ar2315_pci_irq_map(struct irq_domain *d, unsigned irq,
return 0;
}
-static struct irq_domain_ops ar2315_pci_irq_domain_ops = {
+static const struct irq_domain_ops ar2315_pci_irq_domain_ops = {
.map = ar2315_pci_irq_map,
};
diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c
index 764f2d022fae..129915616763 100644
--- a/arch/mips/pic32/pic32mzda/init.c
+++ b/arch/mips/pic32/pic32mzda/init.c
@@ -78,14 +78,6 @@ void __init prom_init(void)
pic32_init_cmdline((int)fw_arg0, (char **)fw_arg1);
}
-void __init device_tree_init(void)
-{
- if (!initial_boot_params)
- return;
-
- unflatten_and_copy_device_tree();
-}
-
static struct pic32_sdhci_platform_data sdhci_data = {
.setup_dma = pic32_set_sdhci_adma_fifo_threshold,
};
diff --git a/arch/mips/ralink/ill_acc.c b/arch/mips/ralink/ill_acc.c
index 115a69fc20ca..f395ae218470 100644
--- a/arch/mips/ralink/ill_acc.c
+++ b/arch/mips/ralink/ill_acc.c
@@ -61,6 +61,7 @@ static int __init ill_acc_of_setup(void)
pdev = of_find_device_by_node(np);
if (!pdev) {
pr_err("%pOFn: failed to lookup pdev\n", np);
+ of_node_put(np);
return -EINVAL;
}
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 35a87a2da10b..587c7b998769 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -48,11 +48,6 @@ __iomem void *plat_of_remap_node(const char *node)
return ioremap(res.start, resource_size(&res));
}
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
-}
-
void __init plat_mem_setup(void)
{
void *dtb;
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 04684990e28e..b7f6f782d9a1 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -301,11 +301,9 @@ static int __init plat_setup_devices(void)
static int __init setup_kmac(char *s)
{
printk(KERN_INFO "korina mac = %s\n", s);
- if (!mac_pton(s, korina_dev0_data.mac)) {
+ if (!mac_pton(s, korina_dev0_data.mac))
printk(KERN_ERR "Invalid mac\n");
- return -EINVAL;
- }
- return 0;
+ return 1;
}
__setup("kmac=", setup_kmac);
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index adc2faeecf7c..f79c48393716 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -422,3 +422,13 @@ void __init mem_init(void)
memblock_free_all();
setup_zero_pages(); /* This comes from node 0 */
}
+
+pg_data_t * __init arch_alloc_nodedata(int nid)
+{
+ return memblock_alloc(sizeof(pg_data_t), SMP_CACHE_BYTES);
+}
+
+void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+ __node_data[nid] = (struct node_data *)pgdat;
+}
diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c
index f80d7a710333..bc47681e825a 100644
--- a/arch/mips/sibyte/common/sb_tbprof.c
+++ b/arch/mips/sibyte/common/sb_tbprof.c
@@ -437,13 +437,13 @@ static int sbprof_tb_release(struct inode *inode, struct file *filp)
return 0;
}
-static ssize_t sbprof_tb_read(struct file *filp, char *buf,
+static ssize_t sbprof_tb_read(struct file *filp, char __user *buf,
size_t size, loff_t *offp)
{
int cur_sample, sample_off, cur_count, sample_left;
char *src;
int count = 0;
- char *dest = buf;
+ char __user *dest = buf;
long cur_off = *offp;
if (!access_ok(buf, size))
@@ -512,7 +512,7 @@ static long sbprof_tb_ioctl(struct file *filp,
if (err)
break;
- err = put_user(TB_FULL, (int *) arg);
+ err = put_user(TB_FULL, (int __user *) arg);
break;
}
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 6c61feee6dd3..7335efa4d528 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -1,9 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
-config MACH_TX39XX
- bool
- select MACH_TXX9
- select SYS_HAS_CPU_TX39XX
-
config MACH_TX49XX
bool
select BOOT_ELF32
@@ -24,11 +19,6 @@ config MACH_TXX9
select SYS_SUPPORTS_BIG_ENDIAN
select COMMON_CLK
-config TOSHIBA_JMR3927
- bool "Toshiba JMR-TX3927 board"
- depends on MACH_TX39XX
- select SOC_TX3927
-
config TOSHIBA_RBTX4927
bool "Toshiba RBTX49[23]7 board"
depends on MACH_TX49XX
@@ -39,14 +29,6 @@ config TOSHIBA_RBTX4927
This Toshiba board is based on the TX4927 processor. Say Y here to
support this machine type
-config SOC_TX3927
- bool
- select CEVT_TXX9
- imply HAS_TXX9_SERIAL
- select HAVE_PCI
- select IRQ_TXX9
- select GPIO_TXX9
-
config SOC_TX4927
bool
select CEVT_TXX9
diff --git a/arch/mips/txx9/Makefile b/arch/mips/txx9/Makefile
index 53269910a48b..14c91f2678a3 100644
--- a/arch/mips/txx9/Makefile
+++ b/arch/mips/txx9/Makefile
@@ -2,15 +2,9 @@
#
# Common TXx9
#
-obj-$(CONFIG_MACH_TX39XX) += generic/
obj-$(CONFIG_MACH_TX49XX) += generic/
#
-# Toshiba JMR-TX3927 board
-#
-obj-$(CONFIG_TOSHIBA_JMR3927) += jmr3927/
-
-#
# Toshiba RBTX49XX boards
#
obj-$(CONFIG_TOSHIBA_RBTX4927) += rbtx4927/
diff --git a/arch/mips/txx9/Platform b/arch/mips/txx9/Platform
index 7f4429ba22eb..e5a295068b3e 100644
--- a/arch/mips/txx9/Platform
+++ b/arch/mips/txx9/Platform
@@ -1,7 +1,4 @@
-cflags-$(CONFIG_MACH_TX39XX) += \
- -I$(srctree)/arch/mips/include/asm/mach-tx39xx
cflags-$(CONFIG_MACH_TX49XX) += \
-I$(srctree)/arch/mips/include/asm/mach-tx49xx
-load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000
load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile
index be5af9fe7c11..3c155c7e2be8 100644
--- a/arch/mips/txx9/generic/Makefile
+++ b/arch/mips/txx9/generic/Makefile
@@ -5,7 +5,6 @@
obj-y += setup.o
obj-$(CONFIG_PCI) += pci.o
-obj-$(CONFIG_SOC_TX3927) += setup_tx3927.o irq_tx3927.o
obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o
obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o
obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o
diff --git a/arch/mips/txx9/generic/irq_tx3927.c b/arch/mips/txx9/generic/irq_tx3927.c
deleted file mode 100644
index c683f593eda2..000000000000
--- a/arch/mips/txx9/generic/irq_tx3927.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Common tx3927 irq handler
- *
- * 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 2001 MontaVista Software Inc.
- * Copyright (C) 2000-2001 Toshiba Corporation
- */
-#include <linux/init.h>
-#include <asm/txx9irq.h>
-#include <asm/txx9/tx3927.h>
-
-void __init tx3927_irq_init(void)
-{
- int i;
-
- txx9_irq_init(TX3927_IRC_REG);
- /* raise priority for timers, sio */
- for (i = 0; i < TX3927_NR_TMR; i++)
- txx9_irq_set_pri(TX3927_IR_TMR(i), 6);
- for (i = 0; i < TX3927_NR_SIO; i++)
- txx9_irq_set_pri(TX3927_IR_SIO(i), 7);
-}
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 39cd1edf9d80..b098a3c76ae9 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -78,12 +78,7 @@ unsigned int txx9_master_clock;
unsigned int txx9_cpu_clock;
unsigned int txx9_gbus_clock;
-#ifdef CONFIG_CPU_TX39XX
-/* don't enable by default - see errata */
-int txx9_ccfg_toeon __initdata;
-#else
int txx9_ccfg_toeon __initdata = 1;
-#endif
#define BOARD_VEC(board) extern struct txx9_board_vec board;
#include <asm/txx9/boards.h>
@@ -194,53 +189,6 @@ static void __init txx9_cache_fixup(void)
if (conf & TX49_CONF_DC)
pr_info("TX49XX D-Cache disabled.\n");
}
-#elif defined(CONFIG_CPU_TX39XX)
-/* flush all cache on very early stage (before tx39_cache_init) */
-static void __init early_flush_dcache(void)
-{
- unsigned int conf = read_c0_config();
- unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >>
- TX39_CONF_DCS_SHIFT));
- unsigned int linesz = 16;
- unsigned long addr, end;
-
- end = INDEX_BASE + dc_size / 2;
- /* 2way, waybit=0 */
- for (addr = INDEX_BASE; addr < end; addr += linesz) {
- cache_op(Index_Writeback_Inv_D, addr | 0);
- cache_op(Index_Writeback_Inv_D, addr | 1);
- }
-}
-
-static void __init txx9_cache_fixup(void)
-{
- unsigned int conf;
-
- conf = read_c0_config();
- /* flush and disable */
- if (txx9_ic_disable) {
- conf &= ~TX39_CONF_ICE;
- write_c0_config(conf);
- }
- if (txx9_dc_disable) {
- early_flush_dcache();
- conf &= ~TX39_CONF_DCE;
- write_c0_config(conf);
- }
-
- /* enable cache */
- conf = read_c0_config();
- if (!txx9_ic_disable)
- conf |= TX39_CONF_ICE;
- if (!txx9_dc_disable)
- conf |= TX39_CONF_DCE;
- write_c0_config(conf);
-
- if (!(conf & TX39_CONF_ICE))
- pr_info("TX39XX I-Cache disabled.\n");
- if (!(conf & TX39_CONF_DCE))
- pr_info("TX39XX D-Cache disabled.\n");
-}
#else
static inline void txx9_cache_fixup(void)
{
@@ -302,9 +250,6 @@ static void __init select_board(void)
}
/* select "default" board */
-#ifdef CONFIG_TOSHIBA_JMR3927
- txx9_board_vec = &jmr3927_vec;
-#endif
#ifdef CONFIG_CPU_TX49XX
switch (TX4938_REV_PCODE()) {
#ifdef CONFIG_TOSHIBA_RBTX4927
diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c
deleted file mode 100644
index 33f7a7253963..000000000000
--- a/arch/mips/txx9/generic/setup_tx3927.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * TX3927 setup routines
- * Based on linux/arch/mips/txx9/jmr3927/setup.c
- *
- * Copyright 2001 MontaVista Software Inc.
- * Copyright (C) 2000-2001 Toshiba Corporation
- * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
- *
- * 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.
- */
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/param.h>
-#include <linux/io.h>
-#include <linux/mtd/physmap.h>
-#include <asm/mipsregs.h>
-#include <asm/txx9irq.h>
-#include <asm/txx9tmr.h>
-#include <asm/txx9pio.h>
-#include <asm/txx9/generic.h>
-#include <asm/txx9/tx3927.h>
-
-void __init tx3927_wdt_init(void)
-{
- txx9_wdt_init(TX3927_TMR_REG(2));
-}
-
-void __init tx3927_setup(void)
-{
- int i;
- unsigned int conf;
-
- txx9_reg_res_init(TX3927_REV_PCODE(), TX3927_REG_BASE,
- TX3927_REG_SIZE);
-
- /* SDRAMC,ROMC are configured by PROM */
- for (i = 0; i < 8; i++) {
- if (!(tx3927_romcptr->cr[i] & 0x8))
- continue; /* disabled */
- txx9_ce_res[i].start = (unsigned long)TX3927_ROMC_BA(i);
- txx9_ce_res[i].end =
- txx9_ce_res[i].start + TX3927_ROMC_SIZE(i) - 1;
- request_resource(&iomem_resource, &txx9_ce_res[i]);
- }
-
- /* clocks */
- txx9_gbus_clock = txx9_cpu_clock / 2;
- /* change default value to udelay/mdelay take reasonable time */
- loops_per_jiffy = txx9_cpu_clock / HZ / 2;
-
- /* CCFG */
- /* enable Timeout BusError */
- if (txx9_ccfg_toeon)
- tx3927_ccfgptr->ccfg |= TX3927_CCFG_TOE;
-
- /* clear BusErrorOnWrite flag */
- tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_BEOW;
- if (read_c0_conf() & TX39_CONF_WBON)
- /* Disable PCI snoop */
- tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_PSNP;
- else
- /* Enable PCI SNOOP - with write through only */
- tx3927_ccfgptr->ccfg |= TX3927_CCFG_PSNP;
- /* do reset on watchdog */
- tx3927_ccfgptr->ccfg |= TX3927_CCFG_WR;
-
- pr_info("TX3927 -- CRIR:%08lx CCFG:%08lx PCFG:%08lx\n",
- tx3927_ccfgptr->crir, tx3927_ccfgptr->ccfg,
- tx3927_ccfgptr->pcfg);
-
- /* TMR */
- for (i = 0; i < TX3927_NR_TMR; i++)
- txx9_tmr_init(TX3927_TMR_REG(i));
-
- /* DMA */
- tx3927_dmaptr->mcr = 0;
- for (i = 0; i < ARRAY_SIZE(tx3927_dmaptr->ch); i++) {
- /* reset channel */
- tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST;
- tx3927_dmaptr->ch[i].ccr = 0;
- }
- /* enable DMA */
-#ifdef __BIG_ENDIAN
- tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN;
-#else
- tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN | TX3927_DMA_MCR_LE;
-#endif
-
- /* PIO */
- __raw_writel(0, &tx3927_pioptr->maskcpu);
- __raw_writel(0, &tx3927_pioptr->maskext);
-
- conf = read_c0_conf();
- if (conf & TX39_CONF_DCE) {
- if (!(conf & TX39_CONF_WBON))
- pr_info("TX3927 D-Cache WriteThrough.\n");
- else if (!(conf & TX39_CONF_CWFON))
- pr_info("TX3927 D-Cache WriteBack.\n");
- else
- pr_info("TX3927 D-Cache WriteBack (CWF) .\n");
- }
-}
-
-void __init tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr)
-{
- txx9_clockevent_init(TX3927_TMR_REG(evt_tmrnr),
- TXX9_IRQ_BASE + TX3927_IR_TMR(evt_tmrnr),
- TXX9_IMCLK);
- txx9_clocksource_init(TX3927_TMR_REG(src_tmrnr), TXX9_IMCLK);
-}
-
-void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask)
-{
- int i;
-
- for (i = 0; i < 2; i++)
- txx9_sio_init(TX3927_SIO_REG(i),
- TXX9_IRQ_BASE + TX3927_IR_SIO(i),
- i, sclk, (1 << i) & cts_mask);
-}
-
-void __init tx3927_mtd_init(int ch)
-{
- struct physmap_flash_data pdata = {
- .width = TX3927_ROMC_WIDTH(ch) / 8,
- };
- unsigned long start = txx9_ce_res[ch].start;
- unsigned long size = txx9_ce_res[ch].end - start + 1;
-
- if (!(tx3927_romcptr->cr[ch] & 0x8))
- return; /* disabled */
- txx9_physmap_flash_init(ch, start, size, &pdata);
-}
diff --git a/arch/mips/txx9/jmr3927/Makefile b/arch/mips/txx9/jmr3927/Makefile
deleted file mode 100644
index 4bda0615d27e..000000000000
--- a/arch/mips/txx9/jmr3927/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for TOSHIBA JMR-TX3927 board
-#
-
-obj-y += prom.o irq.o setup.o
diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
deleted file mode 100644
index c22c859a2c49..000000000000
--- a/arch/mips/txx9/jmr3927/irq.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * 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) 2000-2001 Toshiba Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/txx9/generic.h>
-#include <asm/txx9/jmr3927.h>
-
-#if JMR3927_IRQ_END > NR_IRQS
-#error JMR3927_IRQ_END > NR_IRQS
-#endif
-
-/*
- * CP0_STATUS is a thread's resource (saved/restored on context switch).
- * So disable_irq/enable_irq MUST handle IOC/IRC registers.
- */
-static void mask_irq_ioc(struct irq_data *d)
-{
- /* 0: mask */
- unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC;
- unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR);
- unsigned int bit = 1 << irq_nr;
- jmr3927_ioc_reg_out(imask & ~bit, JMR3927_IOC_INTM_ADDR);
- /* flush write buffer */
- (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR);
-}
-static void unmask_irq_ioc(struct irq_data *d)
-{
- /* 0: mask */
- unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC;
- unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR);
- unsigned int bit = 1 << irq_nr;
- jmr3927_ioc_reg_out(imask | bit, JMR3927_IOC_INTM_ADDR);
- /* flush write buffer */
- (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR);
-}
-
-static int jmr3927_ioc_irqroute(void)
-{
- unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR);
- int i;
-
- for (i = 0; i < JMR3927_NR_IRQ_IOC; i++) {
- if (istat & (1 << i))
- return JMR3927_IRQ_IOC + i;
- }
- return -1;
-}
-
-static int jmr3927_irq_dispatch(int pending)
-{
- int irq;
-
- if ((pending & CAUSEF_IP7) == 0)
- return -1;
- irq = (pending >> CAUSEB_IP2) & 0x0f;
- irq += JMR3927_IRQ_IRC;
- if (irq == JMR3927_IRQ_IOCINT)
- irq = jmr3927_ioc_irqroute();
- return irq;
-}
-
-static struct irq_chip jmr3927_irq_ioc = {
- .name = "jmr3927_ioc",
- .irq_mask = mask_irq_ioc,
- .irq_unmask = unmask_irq_ioc,
-};
-
-void __init jmr3927_irq_setup(void)
-{
- int i;
-
- txx9_irq_dispatch = jmr3927_irq_dispatch;
- /* Now, interrupt control disabled, */
- /* all IRC interrupts are masked, */
- /* all IRC interrupt mode are Low Active. */
-
- /* mask all IOC interrupts */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_INTM_ADDR);
- /* setup IOC interrupt mode (SOFT:High Active, Others:Low Active) */
- jmr3927_ioc_reg_out(JMR3927_IOC_INTF_SOFT, JMR3927_IOC_INTP_ADDR);
-
- /* clear PCI Soft interrupts */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_INTS1_ADDR);
- /* clear PCI Reset interrupts */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
-
- tx3927_irq_init();
- for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++)
- irq_set_chip_and_handler(i, &jmr3927_irq_ioc,
- handle_level_irq);
-
- /* setup IOC interrupt 1 (PCI, MODEM) */
- irq_set_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
-}
diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c
deleted file mode 100644
index 53c68de54d30..000000000000
--- a/arch/mips/txx9/jmr3927/prom.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- * PROM library initialisation code, assuming a version of
- * pmon is the boot code.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * Based on arch/mips/au1000/common/prom.c
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/xx files.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/memblock.h>
-#include <asm/txx9/generic.h>
-#include <asm/txx9/jmr3927.h>
-
-void __init jmr3927_prom_init(void)
-{
- /* CCFG */
- if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
- pr_err("TX3927 TLB off\n");
-
- memblock_add(0, JMR3927_SDRAM_SIZE);
- txx9_sio_putchar_init(TX3927_SIO_REG(1));
-}
diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c
deleted file mode 100644
index 613943886e34..000000000000
--- a/arch/mips/txx9/jmr3927/setup.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <asm/reboot.h>
-#include <asm/txx9pio.h>
-#include <asm/txx9/generic.h>
-#include <asm/txx9/pci.h>
-#include <asm/txx9/jmr3927.h>
-#include <asm/mipsregs.h>
-
-static void jmr3927_machine_restart(char *command)
-{
- local_irq_disable();
-#if 1 /* Resetting PCI bus */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
- jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
- (void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR); /* flush WB */
- mdelay(1);
- jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
-#endif
- jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
- /* fallback */
- (*_machine_halt)();
-}
-
-static void __init jmr3927_time_init(void)
-{
- tx3927_time_init(0, 1);
-}
-
-#define DO_WRITE_THROUGH
-
-static void jmr3927_board_init(void);
-
-static void __init jmr3927_mem_setup(void)
-{
- set_io_port_base(JMR3927_PORT_BASE + JMR3927_PCIIO);
-
- _machine_restart = jmr3927_machine_restart;
-
- /* cache setup */
- {
- unsigned int conf;
-#ifdef DO_WRITE_THROUGH
- int mips_config_cwfon = 0;
- int mips_config_wbon = 0;
-#else
- int mips_config_cwfon = 1;
- int mips_config_wbon = 1;
-#endif
-
- conf = read_c0_conf();
- conf &= ~(TX39_CONF_WBON | TX39_CONF_CWFON);
- conf |= mips_config_wbon ? TX39_CONF_WBON : 0;
- conf |= mips_config_cwfon ? TX39_CONF_CWFON : 0;
-
- write_c0_conf(conf);
- write_c0_cache(0);
- }
-
- /* initialize board */
- jmr3927_board_init();
-
- tx3927_sio_init(0, 1 << 1); /* ch1: noCTS */
-}
-
-static void __init jmr3927_pci_setup(void)
-{
-#ifdef CONFIG_PCI
- int extarb = !(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB);
- struct pci_controller *c;
-
- c = txx9_alloc_pci_controller(&txx9_primary_pcic,
- JMR3927_PCIMEM, JMR3927_PCIMEM_SIZE,
- JMR3927_PCIIO, JMR3927_PCIIO_SIZE);
- register_pci_controller(c);
- if (!extarb) {
- /* Reset PCI Bus */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
- udelay(100);
- jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI,
- JMR3927_IOC_RESET_ADDR);
- udelay(100);
- jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
- }
- tx3927_pcic_setup(c, JMR3927_SDRAM_SIZE, extarb);
- tx3927_setup_pcierr_irq();
-#endif /* CONFIG_PCI */
-}
-
-static void __init jmr3927_board_init(void)
-{
- txx9_cpu_clock = JMR3927_CORECLK;
- /* SDRAMC are configured by PROM */
-
- /* ROMC */
- tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048;
- tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8;
- tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698;
- tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218;
-
- /* Pin selection */
- tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL;
- tx3927_ccfgptr->pcfg |=
- TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL |
- (TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1));
-
- tx3927_setup();
-
- /* PIO[15:12] connected to LEDs */
- __raw_writel(0x0000f000, &tx3927_pioptr->dir);
-
- jmr3927_pci_setup();
-
- /* SIO0 DTR on */
- jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR);
-
- jmr3927_led_set(0);
-
- pr_info("JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n",
- jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK,
- jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK,
- jmr3927_dipsw1(), jmr3927_dipsw2(),
- jmr3927_dipsw3(), jmr3927_dipsw4());
-}
-
-/* This trick makes rtc-ds1742 driver usable as is. */
-static unsigned long jmr3927_swizzle_addr_b(unsigned long port)
-{
- if ((port & 0xffff0000) != JMR3927_IOC_NVRAMB_ADDR)
- return port;
- port = (port & 0xffff0000) | (port & 0x7fff << 1);
-#ifdef __BIG_ENDIAN
- return port;
-#else
- return port | 1;
-#endif
-}
-
-static void __init jmr3927_rtc_init(void)
-{
- static struct resource __initdata res = {
- .start = JMR3927_IOC_NVRAMB_ADDR - IO_BASE,
- .end = JMR3927_IOC_NVRAMB_ADDR - IO_BASE + 0x800 - 1,
- .flags = IORESOURCE_MEM,
- };
- platform_device_register_simple("rtc-ds1742", -1, &res, 1);
-}
-
-static void __init jmr3927_mtd_init(void)
-{
- int i;
-
- for (i = 0; i < 2; i++)
- tx3927_mtd_init(i);
-}
-
-static void __init jmr3927_device_init(void)
-{
- unsigned long iocled_base = JMR3927_IOC_LED_ADDR - IO_BASE;
-#ifdef __LITTLE_ENDIAN
- iocled_base |= 1;
-#endif
- __swizzle_addr_b = jmr3927_swizzle_addr_b;
- jmr3927_rtc_init();
- tx3927_wdt_init();
- jmr3927_mtd_init();
- txx9_iocled_init(iocled_base, -1, 8, 1, "green", NULL);
-}
-
-static void __init jmr3927_arch_init(void)
-{
- txx9_gpio_init(TX3927_PIO_REG, 0, 16);
-
- gpio_request(11, "dipsw1");
- gpio_request(10, "dipsw2");
-}
-
-struct txx9_board_vec jmr3927_vec __initdata = {
- .system = "Toshiba JMR_TX3927",
- .prom_init = jmr3927_prom_init,
- .mem_setup = jmr3927_mem_setup,
- .irq_setup = jmr3927_irq_setup,
- .time_init = jmr3927_time_init,
- .device_init = jmr3927_device_init,
- .arch_init = jmr3927_arch_init,
-#ifdef CONFIG_PCI
- .pci_map_irq = jmr3927_pci_map_irq,
-#endif
-};
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index d65f55f67e19..f72658b3a53f 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
# Objects to go into the VDSO.
+# Sanitizer runtimes are unavailable and cannot be linked here.
+ KCSAN_SANITIZE := n
+
# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
# the inclusion of generic Makefile.
ARCH_REL_TYPE_ABS := R_MIPS_JUMP_SLOT|R_MIPS_GLOB_DAT