diff --git a/arch/Kconfig b/arch/Kconfig
index 1709d40e97e09922f31b5a201b381667ce1600ad..ec120139cba9619a5fa971ceaee2add268325f89 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -55,6 +55,7 @@ config MIPS
select HAVE_PRIVATE_LIBGCC
select HAVE_GENERIC_BOARD
select SYS_GENERIC_BOARD
+ select SUPPORT_OF_CONTROL
config NDS32
bool "NDS32 architecture"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7f7e258a801eaa9e4bff89a23df60e7ae3a26793..1b39c4c0c656ab074a3e5d88a406031769028599 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -28,6 +28,7 @@ config TARGET_MALTA
select SUPPORTS_CPU_MIPS32_R1
select SUPPORTS_CPU_MIPS32_R2
select SWAP_IO_SPACE
+ select MIPS_L1_CACHE_SHIFT_6
config TARGET_VCT
bool "Support vct"
@@ -43,6 +44,7 @@ config TARGET_DBAU1X00
select SUPPORTS_CPU_MIPS32_R1
select SUPPORTS_CPU_MIPS32_R2
select SYS_MIPS_CACHE_INIT_RAM_LOAD
+ select MIPS_TUNE_4KC
config TARGET_PB1X00
bool "Support pb1x00"
@@ -50,7 +52,7 @@ config TARGET_PB1X00
select SUPPORTS_CPU_MIPS32_R1
select SUPPORTS_CPU_MIPS32_R2
select SYS_MIPS_CACHE_INIT_RAM_LOAD
-
+ select MIPS_TUNE_4KC
endchoice
@@ -174,6 +176,15 @@ config CPU_MIPS64
bool
default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
+config MIPS_TUNE_4KC
+ bool
+
+config MIPS_TUNE_14KC
+ bool
+
+config MIPS_TUNE_24KC
+ bool
+
config 32BIT
bool
@@ -186,6 +197,26 @@ config SWAP_IO_SPACE
config SYS_MIPS_CACHE_INIT_RAM_LOAD
bool
+config MIPS_L1_CACHE_SHIFT_4
+ bool
+
+config MIPS_L1_CACHE_SHIFT_5
+ bool
+
+config MIPS_L1_CACHE_SHIFT_6
+ bool
+
+config MIPS_L1_CACHE_SHIFT_7
+ bool
+
+config MIPS_L1_CACHE_SHIFT
+ int
+ default "7" if MIPS_L1_CACHE_SHIFT_7
+ default "6" if MIPS_L1_CACHE_SHIFT_6
+ default "5" if MIPS_L1_CACHE_SHIFT_5
+ default "4" if MIPS_L1_CACHE_SHIFT_4
+ default "5"
+
endif
endmenu
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 43f0f5c5046b0361dfd20b8e5058edd046bbf5ad..2133e7e065d0aa21e358312b3adaf2d681d01aa0 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -7,4 +7,25 @@ head-y := arch/mips/cpu/start.o
libs-y += arch/mips/cpu/
libs-y += arch/mips/lib/
-libs-$(CONFIG_SOC_AU1X00) += arch/mips/mach-au1x00/
+machine-$(CONFIG_SOC_AU1X00) += au1x00
+
+machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
+libs-y += $(machdirs)
+
+PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
+
+# Optimize for MIPS architectures
+arch-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32
+arch-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2
+arch-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64
+arch-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2
+
+# Allow extra optimization for specific CPUs/SoCs
+tune-$(CONFIG_MIPS_TUNE_4KC) += -mtune=4kc
+tune-$(CONFIG_MIPS_TUNE_14KC) += -mtune=14kc
+tune-$(CONFIG_MIPS_TUNE_24KC) += -mtune=24kc
+
+# Include default header files
+cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
+
+PLATFORM_CPPFLAGS += $(arch-y) $(tune-y) $(cflags-y)
diff --git a/arch/mips/config.mk b/arch/mips/config.mk
index 52e28f2ca5cc7e4fc16dd06e21bb251b0f824eb7..609a998f3b634798aca97dbad3d84599eef1315d 100644
--- a/arch/mips/config.mk
+++ b/arch/mips/config.mk
@@ -35,12 +35,6 @@ PLATFORM_LDFLAGS += -m$(64bit-emul)
OBJCOPYFLAGS += -O $(64bit-bfd)
endif
-cpuflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32
-cpuflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2
-cpuflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64
-cpuflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2
-PLATFORM_CPPFLAGS += $(cpuflags-y)
-
PLATFORM_CPPFLAGS += -D__MIPS__
#
@@ -63,10 +57,21 @@ PLATFORM_CPPFLAGS += -D__MIPS__
# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
# to RAM. $28 is always used as gp.
#
-PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic
+ifdef CONFIG_SPL_BUILD
+PF_ABICALLS := -mno-abicalls
+PF_PIC := -fno-pic
+PF_PIE :=
+else
+PF_ABICALLS := -mabicalls
+PF_PIC := -fpic
+PF_PIE := -pie
+PF_OBJCOPY := -j .got -j .u_boot_list -j .rel.dyn -j .padding
+PF_OBJCOPY += -j .dtb.init.rodata
+endif
+
+PLATFORM_CPPFLAGS += -G 0 $(PF_ABICALLS) $(PF_PIC)
PLATFORM_CPPFLAGS += -msoft-float
PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib
PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
-LDFLAGS_FINAL += --gc-sections -pie
-OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .got
-OBJCOPYFLAGS += -j .u_boot_list -j .rel.dyn -j .padding
+LDFLAGS_FINAL += --gc-sections $(PF_PIE)
+OBJCOPYFLAGS += -j .text -j .rodata -j .data $(PF_OBJCOPY)
diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S
index 3b5b622abedf06ffba3534692d7fba027569ed52..e95cdca61eba2db1b88700c7d297558a09e405d1 100644
--- a/arch/mips/cpu/start.S
+++ b/arch/mips/cpu/start.S
@@ -56,9 +56,7 @@
.set noreorder
- .globl _start
- .text
-_start:
+ENTRY(_start)
/* U-boot entry point */
b reset
nop
@@ -192,6 +190,8 @@ reset:
jr t9
move ra, zero
+ END(_start)
+
/*
* void relocate_code (addr_sp, gd, addr_moni)
*
@@ -202,9 +202,7 @@ reset:
* a1 = gd
* a2 = destination address
*/
- .globl relocate_code
- .ent relocate_code
-relocate_code:
+ENTRY(relocate_code)
move sp, a0 # set new stack pointer
move fp, sp
@@ -317,4 +315,4 @@ in_ram:
jr t9
move ra, zero
- .end relocate_code
+ END(relocate_code)
diff --git a/arch/mips/dts/.gitignore b/arch/mips/dts/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..b60ed208c779e02006759c98b65724a7e1137d8f
--- /dev/null
+++ b/arch/mips/dts/.gitignore
@@ -0,0 +1 @@
+*.dtb
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..47b6eb50c35a5574f20162ca524540b4dc4c8ebe
--- /dev/null
+++ b/arch/mips/dts/Makefile
@@ -0,0 +1,16 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+dtb-y +=
+
+targets += $(dtb-y)
+
+# Add any required device tree compiler flags here
+DTC_FLAGS +=
+
+PHONY += dtbs
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+ @:
+
+clean-files := *.dtb
diff --git a/arch/mips/dts/include/dt-bindings b/arch/mips/dts/include/dt-bindings
new file mode 120000
index 0000000000000000000000000000000000000000..0cecb3d08054bad387b1883e90f896cca16e2ec1
--- /dev/null
+++ b/arch/mips/dts/include/dt-bindings
@@ -0,0 +1 @@
+../../../../include/dt-bindings
\ No newline at end of file
diff --git a/arch/mips/dts/skeleton.dtsi b/arch/mips/dts/skeleton.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..24ee6c3e7314436827e9c5d5d8f7eb768c3fe31e
--- /dev/null
+++ b/arch/mips/dts/skeleton.dtsi
@@ -0,0 +1,23 @@
+/*
+ * Skeleton device tree; the bare minimum needed to boot; just include and
+ * add a compatible value. The bootloader will typically populate the memory
+ * node.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ chosen {
+ };
+
+ aliases {
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0 0>;
+ };
+};
diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
index b768bb5081c45a94afd5b8a049f887fabdd65e64..0994e9670b199e311f4ae6f21360ac5c11612cdc 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -1,15 +1,15 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
* Copyright (C) 1996, 99 Ralf Baechle
* Copyright (C) 2000, 2002 Maciej W. Rozycki
* Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_ADDRSPACE_H
#define _ASM_ADDRSPACE_H
+#include <spaces.h>
+
/*
* Configure language
*/
@@ -50,7 +50,7 @@
*/
#define CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff)
#define XPHYSADDR(a) ((_ACAST64_(a)) & \
- _CONST64_(0x000000ffffffffff))
+ _CONST64_(0x0000ffffffffffff))
#ifdef CONFIG_64BIT
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 933ccb1b7864abb9993bcaa187f25f15c9878dbf..44694a3fb83356319c1062837892b0ce0d303b6c 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -1,8 +1,4 @@
/*
- * 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) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle
* Copyright (C) 1999 by Silicon Graphics, Inc.
* Copyright (C) 2001 MIPS Technologies, Inc.
@@ -13,6 +9,8 @@
* Some of the routines below contain useless nops that will be optimized
* away by gas in -O mode. These nops are however required to fill delay
* slots in noreorder mode.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_ASM_H
#define __ASM_ASM_H
@@ -33,50 +31,58 @@
* Not used for the kernel but here seems to be the right place.
*/
#ifdef __PIC__
-#define CPRESTORE(register) \
+#define CPRESTORE(register) \
.cprestore register
-#define CPADD(register) \
+#define CPADD(register) \
.cpadd register
-#define CPLOAD(register) \
- .cpload register
+#define CPLOAD(register) \
+ .cpload register
#else
#define CPRESTORE(register)
#define CPADD(register)
#define CPLOAD(register)
#endif
+#define ENTRY(symbol) \
+ .globl symbol; \
+ .type symbol, @function; \
+ .ent symbol, 0; \
+symbol:
+
/*
* LEAF - declare leaf routine
*/
-#define LEAF(symbol) \
- .globl symbol; \
- .align 2; \
- .type symbol, @function; \
- .ent symbol, 0; \
+#define LEAF(symbol) \
+ .globl symbol; \
+ .align 2; \
+ .type symbol, @function; \
+ .ent symbol, 0; \
+ .section .text.symbol, "x"; \
symbol: .frame sp, 0, ra
/*
* NESTED - declare nested routine entry point
*/
-#define NESTED(symbol, framesize, rpc) \
- .globl symbol; \
- .align 2; \
- .type symbol, @function; \
- .ent symbol, 0; \
+#define NESTED(symbol, framesize, rpc) \
+ .globl symbol; \
+ .align 2; \
+ .type symbol, @function; \
+ .ent symbol, 0; \
+ .section .text.symbol, "x"; \
symbol: .frame sp, framesize, rpc
/*
* END - mark end of function
*/
-#define END(function) \
- .end function; \
+#define END(function) \
+ .end function; \
.size function, .-function
/*
* EXPORT - export definition of symbol
*/
#define EXPORT(symbol) \
- .globl symbol; \
+ .globl symbol; \
symbol:
/*
@@ -90,16 +96,16 @@ symbol:
/*
* ABS - export absolute symbol
*/
-#define ABS(symbol,value) \
- .globl symbol; \
+#define ABS(symbol,value) \
+ .globl symbol; \
symbol = value
-#define PANIC(msg) \
+#define PANIC(msg) \
.set push; \
- .set reorder; \
- PTR_LA a0, 8f; \
- jal panic; \
-9: b 9b; \
+ .set reorder; \
+ PTR_LA a0, 8f; \
+ jal panic; \
+9: b 9b; \
.set pop; \
TEXT(msg)
@@ -107,31 +113,31 @@ symbol = value
* Print formatted string
*/
#ifdef CONFIG_PRINTK
-#define PRINT(string) \
+#define PRINT(string) \
.set push; \
- .set reorder; \
- PTR_LA a0, 8f; \
- jal printk; \
+ .set reorder; \
+ PTR_LA a0, 8f; \
+ jal printk; \
.set pop; \
TEXT(string)
#else
#define PRINT(string)
#endif
-#define TEXT(msg) \
+#define TEXT(msg) \
.pushsection .data; \
-8: .asciiz msg; \
+8: .asciiz msg; \
.popsection;
/*
* Build text tables
*/
-#define TTABLE(string) \
+#define TTABLE(string) \
.pushsection .text; \
- .word 1f; \
+ .word 1f; \
.popsection \
.pushsection .data; \
-1: .asciiz string; \
+1: .asciiz string; \
.popsection
/*
@@ -143,21 +149,29 @@ symbol = value
*/
#ifdef CONFIG_CPU_HAS_PREFETCH
-#define PREF(hint,addr) \
+#define PREF(hint, addr) \
.set push; \
- .set mips4; \
+ .set arch=r5000; \
pref hint, addr; \
.set pop
-#define PREFX(hint,addr) \
+#define PREFE(hint, addr) \
+ .set push; \
+ .set mips0; \
+ .set eva; \
+ prefe hint, addr; \
+ .set pop
+
+#define PREFX(hint, addr) \
.set push; \
- .set mips4; \
+ .set arch=r5000; \
prefx hint, addr; \
.set pop
#else /* !CONFIG_CPU_HAS_PREFETCH */
#define PREF(hint, addr)
+#define PREFE(hint, addr)
#define PREFX(hint, addr)
#endif /* !CONFIG_CPU_HAS_PREFETCH */
@@ -166,42 +180,42 @@ symbol = value
* MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
*/
#if (_MIPS_ISA == _MIPS_ISA_MIPS1)
-#define MOVN(rd, rs, rt) \
+#define MOVN(rd, rs, rt) \
.set push; \
.set reorder; \
- beqz rt, 9f; \
- move rd, rs; \
+ beqz rt, 9f; \
+ move rd, rs; \
.set pop; \
9:
-#define MOVZ(rd, rs, rt) \
+#define MOVZ(rd, rs, rt) \
.set push; \
.set reorder; \
- bnez rt, 9f; \
- move rd, rs; \
+ bnez rt, 9f; \
+ move rd, rs; \
.set pop; \
9:
#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
-#define MOVN(rd, rs, rt) \
+#define MOVN(rd, rs, rt) \
.set push; \
.set noreorder; \
- bnezl rt, 9f; \
- move rd, rs; \
+ bnezl rt, 9f; \
+ move rd, rs; \
.set pop; \
9:
-#define MOVZ(rd, rs, rt) \
+#define MOVZ(rd, rs, rt) \
.set push; \
.set noreorder; \
- beqzl rt, 9f; \
- move rd, rs; \
+ beqzl rt, 9f; \
+ move rd, rs; \
.set pop; \
9:
#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
(_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-#define MOVN(rd, rs, rt) \
+#define MOVN(rd, rs, rt) \
movn rd, rs, rt
-#define MOVZ(rd, rs, rt) \
+#define MOVZ(rd, rs, rt) \
movz rd, rs, rt
#endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */
@@ -296,6 +310,7 @@ symbol = value
#define LONG_SUBU subu
#define LONG_L lw
#define LONG_S sw
+#define LONG_SP swp
#define LONG_SLL sll
#define LONG_SLLV sllv
#define LONG_SRL srl
@@ -318,6 +333,7 @@ symbol = value
#define LONG_SUBU dsubu
#define LONG_L ld
#define LONG_S sd
+#define LONG_SP sdp
#define LONG_SLL dsll
#define LONG_SLLV dsllv
#define LONG_SRL dsrl
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index c31ff6efb44d24e79b5c2b034c5aebc0194c727d..cce6995c7494458be3d69914976be5f878d8ea0d 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -1,10 +1,8 @@
/*
- * 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 - 1997, 1999, 2000 Ralf Baechle (ralf@gnu.org)
* Copyright (c) 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_BITOPS_H
#define _ASM_BITOPS_H
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index b5e685feb62a593b6113868e3331819711836adc..67fdf713018a56d11c68848c7c04c3685739db89 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -1,9 +1,7 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
* Copyright (C) 1996, 99, 2003 by Ralf Baechle
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_BYTEORDER_H
#define _ASM_BYTEORDER_H
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index 0dfb54ef4dda75e49be553569ce10f0af61e4894..806bd26ba989e4e4954988940b19028c37a901ab 100644
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -7,15 +7,9 @@
#ifndef __MIPS_CACHE_H__
#define __MIPS_CACHE_H__
-/*
- * The maximum L1 data cache line size on MIPS seems to be 128 bytes. We use
- * that as a default for aligning DMA buffers unless the board config has
- * specified another cache line size.
- */
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
-#else
-#define ARCH_DMA_MINALIGN 128
-#endif
+#define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define ARCH_DMA_MINALIGN (L1_CACHE_BYTES)
#endif /* __MIPS_CACHE_H__ */
diff --git a/arch/mips/include/asm/cachectl.h b/arch/mips/include/asm/cachectl.h
index f3ce721861d3859a2624669c1928cf4a91c1ca2f..5e77dfa02937cd9a2a3ab88cbc40141b104b4b73 100644
--- a/arch/mips/include/asm/cachectl.h
+++ b/arch/mips/include/asm/cachectl.h
@@ -1,9 +1,7 @@
/*
- * 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, 1995, 1996 by Ralf Baechle
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_CACHECTL
#define _ASM_CACHECTL
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index af2adc701edb3ac8e2db1efe14f6b818d30096c8..a3b07c6ad0d0c02a8cadb30ddc7f030927f7afea 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -1,12 +1,10 @@
/*
* Cache operations for the cache instruction.
*
- * 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.
- *
* (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
* (C) Copyright 1999 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_CACHEOPS_H
#define __ASM_CACHEOPS_H
diff --git a/arch/mips/include/asm/const.h b/arch/mips/include/asm/const.h
new file mode 100644
index 0000000000000000000000000000000000000000..f600e7a5b7565606e2a7b9b4e2d28f44c601c9b2
--- /dev/null
+++ b/arch/mips/include/asm/const.h
@@ -0,0 +1,31 @@
+/*
+ * const.h: Macros for dealing with constants.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _LINUX_CONST_H
+#define _LINUX_CONST_H
+
+/* Some constant macros are used in both assembler and
+ * C code. Therefore we cannot annotate them always with
+ * 'UL' and other type specifiers unilaterally. We
+ * use the following macros to deal with this.
+ *
+ * Similarly, _AT() will cast an expression with a type in C, but
+ * leave it unchanged in asm.
+ */
+
+#ifdef __ASSEMBLY__
+#define _AC(X,Y) X
+#define _AT(T,X) X
+#else
+#define __AC(X,Y) (X##Y)
+#define _AC(X,Y) __AC(X,Y)
+#define _AT(T,X) ((T)(X))
+#endif
+
+#define _BITUL(x) (_AC(1,UL) << (x))
+#define _BITULL(x) (_AC(1,ULL) << (x))
+
+#endif /* !(_LINUX_CONST_H) */
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
new file mode 100644
index 0000000000000000000000000000000000000000..a6e9d940190c9683525fcb972a6709de509fb7ca
--- /dev/null
+++ b/arch/mips/include/asm/cpu-features.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ * Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_CPU_FEATURES_H
+#define __ASM_CPU_FEATURES_H
+
+#include <cpu-feature-overrides.h>
+
+#ifdef CONFIG_32BIT
+# ifndef cpu_has_64bits
+# define cpu_has_64bits 0
+# endif
+# ifndef cpu_has_64bit_addresses
+# define cpu_has_64bit_addresses 0
+# endif
+#endif
+
+#ifdef CONFIG_64BIT
+# ifndef cpu_has_64bits
+# define cpu_has_64bits 1
+# endif
+# ifndef cpu_has_64bit_addresses
+# define cpu_has_64bit_addresses 1
+# endif
+#endif
+
+#endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/gpio.h b/arch/mips/include/asm/gpio.h
new file mode 100644
index 0000000000000000000000000000000000000000..306ab4c9f2aa3c73f2e3c710807e08787e845c04
--- /dev/null
+++ b/arch/mips/include/asm/gpio.h
@@ -0,0 +1 @@
+#include <asm-generic/gpio.h>
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index a7ab087c0d482036baa1f41301256a023cd14b7c..b8ac5a5ac5417b68c481c5019438587e907ca6f2 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -1,21 +1,28 @@
/*
- * 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, 1995 Waldorf GmbH
- * Copyright (C) 1994 - 2000 Ralf Baechle
+ * Copyright (C) 1994 - 2000, 06 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- * Copyright (C) 2000 FSMLabs, Inc.
+ * Copyright (C) 2004, 2005 MIPS Technologies, Inc. All rights reserved.
+ * Author: Maciej W. Rozycki <macro@mips.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_IO_H
#define _ASM_IO_H
-#if 0
-#include <linux/pagemap.h>
-#endif
+#include <linux/compiler.h>
+#include <linux/types.h>
+
#include <asm/addrspace.h>
#include <asm/byteorder.h>
+#include <asm/cpu-features.h>
+#include <asm/pgtable-bits.h>
+#include <asm/processor.h>
+#include <asm/string.h>
+
+#include <ioremap.h>
+#include <mangle-port.h>
+#include <spaces.h>
/*
* Slowdown I/O port space accesses for antique hardware.
@@ -23,44 +30,20 @@
#undef CONF_SLOWDOWN_IO
/*
- * Sane hardware offers swapping of I/O space accesses in hardware; less
- * sane hardware forces software to fiddle with this ...
+ * Raw operations are never swapped in software. OTOH values that raw
+ * operations are working on may or may not have been swapped by the bus
+ * hardware. An example use would be for flash memory that's used for
+ * execute in place.
*/
-#if defined(CONFIG_SWAP_IO_SPACE) && defined(__MIPSEB__)
+# define __raw_ioswabb(a, x) (x)
+# define __raw_ioswabw(a, x) (x)
+# define __raw_ioswabl(a, x) (x)
+# define __raw_ioswabq(a, x) (x)
+# define ____raw_ioswabq(a, x) (x)
-#define __ioswab8(x) (x)
-#define __ioswab16(x) swab16(x)
-#define __ioswab32(x) swab32(x)
+/* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
-#else
-
-#define __ioswab8(x) (x)
-#define __ioswab16(x) (x)
-#define __ioswab32(x) (x)
-
-#endif
-
-/*
- * This file contains the definitions for the MIPS counterpart of the
- * x86 in/out instructions. This heap of macros and C results in much
- * better code than the approach of doing it in plain C. The macros
- * result in code that is to fast for certain hardware. On the other
- * side the performance of the string functions should be improved for
- * sake of certain devices like EIDE disks that do highspeed polled I/O.
- *
- * Ralf
- *
- * This file contains the definitions for the x86 IO instructions
- * inb/inw/inl/outb/outw/outl and the "string versions" of the same
- * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
- * versions of the single-IO instructions (inb_p/inw_p/..).
- *
- * This file is not meant to be obfuscating: it's just complicated
- * to (a) handle it all in a way that makes gcc able to optimize it
- * as well as possible and (b) trying to avoid writing the same thing
- * over and over again with slight variations and possibly making a
- * mistake somewhere.
- */
+#define IO_SPACE_LIMIT 0xffff
/*
* On MIPS I/O ports are memory mapped, so we access them using normal
@@ -84,6 +67,7 @@ extern const unsigned long mips_io_port_base;
static inline void set_io_port_base(unsigned long base)
{
* (unsigned long *) &mips_io_port_base = base;
+ barrier();
}
/*
@@ -114,378 +98,429 @@ static inline void set_io_port_base(unsigned long base)
#endif
/*
- * Change virtual addresses to physical addresses and vv.
- * These are trivial on the 1:1 Linux/MIPS mapping
+ * virt_to_phys - map virtual addresses to physical
+ * @address: address to remap
+ *
+ * The returned physical address is the physical (CPU) mapping for
+ * the memory address given. It is only valid to use this function on
+ * addresses directly mapped or allocated via kmalloc.
+ *
+ * This function does not give bus mappings for DMA transfers. In
+ * almost all conceivable cases a device driver should not be using
+ * this function
*/
-static inline phys_addr_t virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(volatile const void *address)
{
-#ifndef CONFIG_64BIT
- return CPHYSADDR(address);
+ unsigned long addr = (unsigned long)address;
+
+ /* this corresponds to kernel implementation of __pa() */
+#ifdef CONFIG_64BIT
+ if (addr < CKSEG0)
+ return XPHYSADDR(addr);
+
+ return CPHYSADDR(addr);
#else
- return XPHYSADDR(address);
+ return addr - PAGE_OFFSET + PHYS_OFFSET;
#endif
}
-static inline void * phys_to_virt(unsigned long address)
+/*
+ * phys_to_virt - map physical address to virtual
+ * @address: address to remap
+ *
+ * The returned virtual address is a current CPU mapping for
+ * the memory address given. It is only valid to use this function on
+ * addresses that have a kernel mapping
+ *
+ * This function does not handle bus mappings for DMA transfers. In
+ * almost all conceivable cases a device driver should not be using
+ * this function
+ */
+static inline void *phys_to_virt(unsigned long address)
{
-#ifndef CONFIG_64BIT
- return (void *)KSEG0ADDR(address);
-#else
- return (void *)CKSEG0ADDR(address);
-#endif
+ return (void *)(address + PAGE_OFFSET - PHYS_OFFSET);
}
/*
- * IO bus memory addresses are also 1:1 with the physical address
+ * ISA I/O bus memory addresses are 1:1 with the physical address.
*/
-static inline unsigned long virt_to_bus(volatile void * address)
+static inline unsigned long isa_virt_to_bus(volatile void *address)
{
-#ifndef CONFIG_64BIT
- return CPHYSADDR(address);
-#else
- return XPHYSADDR(address);
-#endif
+ return (unsigned long)address - PAGE_OFFSET;
}
-static inline void * bus_to_virt(unsigned long address)
+static inline void *isa_bus_to_virt(unsigned long address)
{
-#ifndef CONFIG_64BIT
- return (void *)KSEG0ADDR(address);
-#else
- return (void *)CKSEG0ADDR(address);
-#endif
+ return (void *)(address + PAGE_OFFSET);
}
+#define isa_page_to_bus page_to_phys
+
/*
- * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
- * for the processor.
+ * However PCI ones are not necessarily 1:1 and therefore these interfaces
+ * are forbidden in portable PCI drivers.
+ *
+ * Allow them for x86 for legacy drivers, though.
*/
-extern unsigned long isa_slot_offset;
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
-extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
-#if 0
-static inline void *ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *__ioremap_mode(phys_addr_t offset, unsigned long size,
+ unsigned long flags)
{
- return __ioremap(offset, size, _CACHE_UNCACHED);
-}
+ void __iomem *addr;
+ phys_addr_t phys_addr;
-static inline void *ioremap_nocache(unsigned long offset, unsigned long size)
-{
- return __ioremap(offset, size, _CACHE_UNCACHED);
-}
+ addr = plat_ioremap(offset, size, flags);
+ if (addr)
+ return addr;
-extern void iounmap(void *addr);
-#endif
+ phys_addr = fixup_bigphys_addr(offset, size);
+ return (void __iomem *)(unsigned long)CKSEG1ADDR(phys_addr);
+}
/*
- * XXX We need system specific versions of these to handle EISA address bits
- * 24-31 on SNI.
- * XXX more SNI hacks.
+ * ioremap - map bus memory into CPU space
+ * @offset: bus address of the memory
+ * @size: size of the resource to map
+ *
+ * ioremap performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
*/
-#define __raw_readb(addr) (*(volatile unsigned char *)(addr))
-#define __raw_readw(addr) (*(volatile unsigned short *)(addr))
-#define __raw_readl(addr) (*(volatile unsigned int *)(addr))
-#define readb(addr) __raw_readb((addr))
-#define readw(addr) __ioswab16(__raw_readw((addr)))
-#define readl(addr) __ioswab32(__raw_readl((addr)))
-
-#define __raw_writeb(b, addr) (*(volatile unsigned char *)(addr)) = (b)
-#define __raw_writew(b, addr) (*(volatile unsigned short *)(addr)) = (b)
-#define __raw_writel(b, addr) (*(volatile unsigned int *)(addr)) = (b)
-#define writeb(b, addr) __raw_writeb((b), (addr))
-#define writew(b, addr) __raw_writew(__ioswab16(b), (addr))
-#define writel(b, addr) __raw_writel(__ioswab32(b), (addr))
-
-#define memset_io(a,b,c) memset((void *)(a),(b),(c))
-#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
-#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
-
-/* END SNI HACKS ... */
+#define ioremap(offset, size) \
+ __ioremap_mode((offset), (size), _CACHE_UNCACHED)
/*
- * ISA space is 'always mapped' on currently supported MIPS systems, no need
- * to explicitly ioremap() it. The fact that the ISA IO space is mapped
- * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
- * are physical addresses. The following constant pointer can be
- * used as the IO-area pointer (it can be iounmapped as well, so the
- * analogy with PCI is quite large):
+ * ioremap_nocache - map bus memory into CPU space
+ * @offset: bus address of the memory
+ * @size: size of the resource to map
+ *
+ * ioremap_nocache performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
+ *
+ * This version of ioremap ensures that the memory is marked uncachable
+ * on the CPU as well as honouring existing caching rules from things like
+ * the PCI bus. Note that there are other caches and buffers on many
+ * busses. In particular driver authors should read up on PCI writes
+ *
+ * It's useful if some control registers are in such an area and
+ * write combining or read caching is not desirable:
*/
-#define __ISA_IO_base ((char *)(PAGE_OFFSET))
+#define ioremap_nocache(offset, size) \
+ __ioremap_mode((offset), (size), _CACHE_UNCACHED)
+#define ioremap_uc ioremap_nocache
-#define isa_readb(a) readb(a)
-#define isa_readw(a) readw(a)
-#define isa_readl(a) readl(a)
-#define isa_writeb(b,a) writeb(b,a)
-#define isa_writew(w,a) writew(w,a)
-#define isa_writel(l,a) writel(l,a)
-
-#define isa_memset_io(a,b,c) memset_io((a),(b),(c))
-#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c))
-#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c))
+/*
+ * ioremap_cachable - map bus memory into CPU space
+ * @offset: bus address of the memory
+ * @size: size of the resource to map
+ *
+ * ioremap_nocache performs a platform specific sequence of operations to
+ * make bus memory CPU accessible via the readb/readw/readl/writeb/
+ * writew/writel functions and the other mmio helpers. The returned
+ * address is not guaranteed to be usable directly as a virtual
+ * address.
+ *
+ * This version of ioremap ensures that the memory is marked cachable by
+ * the CPU. Also enables full write-combining. Useful for some
+ * memory-like regions on I/O busses.
+ */
+#define ioremap_cachable(offset, size) \
+ __ioremap_mode((offset), (size), _page_cachable_default)
/*
- * We don't have csum_partial_copy_fromio() yet, so we cheat here and
- * just copy it. The net code will then do the checksum later.
+ * These two are MIPS specific ioremap variant. ioremap_cacheable_cow
+ * requests a cachable mapping, ioremap_uncached_accelerated requests a
+ * mapping using the uncached accelerated mode which isn't supported on
+ * all processors.
*/
-#define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len))
-#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(b),(c),(d))
+#define ioremap_cacheable_cow(offset, size) \
+ __ioremap_mode((offset), (size), _CACHE_CACHABLE_COW)
+#define ioremap_uncached_accelerated(offset, size) \
+ __ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED)
-static inline int check_signature(unsigned long io_addr,
- const unsigned char *signature, int length)
+static inline void iounmap(const volatile void __iomem *addr)
{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
+ plat_iounmap(addr);
}
-#define isa_check_signature(io, s, l) check_signature(i,s,l)
-/*
- * Talk about misusing macros..
- */
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define war_octeon_io_reorder_wmb() wmb()
+#else
+#define war_octeon_io_reorder_wmb() do { } while (0)
+#endif
-#define __OUT1(s) \
-static inline void __out##s(unsigned int value, unsigned int port) {
+#define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq) \
+ \
+static inline void pfx##write##bwlq(type val, \
+ volatile void __iomem *mem) \
+{ \
+ volatile type *__mem; \
+ type __val; \
+ \
+ war_octeon_io_reorder_wmb(); \
+ \
+ __mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem)); \
+ \
+ __val = pfx##ioswab##bwlq(__mem, val); \
+ \
+ if (sizeof(type) != sizeof(u64) || sizeof(u64) == sizeof(long)) \
+ *__mem = __val; \
+ else if (cpu_has_64bits) { \
+ type __tmp; \
+ \
+ __asm__ __volatile__( \
+ ".set arch=r4000" "\t\t# __writeq""\n\t" \
+ "dsll32 %L0, %L0, 0" "\n\t" \
+ "dsrl32 %L0, %L0, 0" "\n\t" \
+ "dsll32 %M0, %M0, 0" "\n\t" \
+ "or %L0, %L0, %M0" "\n\t" \
+ "sd %L0, %2" "\n\t" \
+ ".set mips0" "\n" \
+ : "=r" (__tmp) \
+ : "0" (__val), "m" (*__mem)); \
+ } else \
+ BUG(); \
+} \
+ \
+static inline type pfx##read##bwlq(const volatile void __iomem *mem) \
+{ \
+ volatile type *__mem; \
+ type __val; \
+ \
+ __mem = (void *)__swizzle_addr_##bwlq((unsigned long)(mem)); \
+ \
+ if (sizeof(type) != sizeof(u64) || sizeof(u64) == sizeof(long)) \
+ __val = *__mem; \
+ else if (cpu_has_64bits) { \
+ __asm__ __volatile__( \
+ ".set arch=r4000" "\t\t# __readq" "\n\t" \
+ "ld %L0, %1" "\n\t" \
+ "dsra32 %M0, %L0, 0" "\n\t" \
+ "sll %L0, %L0, 0" "\n\t" \
+ ".set mips0" "\n" \
+ : "=r" (__val) \
+ : "m" (*__mem)); \
+ } else { \
+ __val = 0; \
+ BUG(); \
+ } \
+ \
+ return pfx##ioswab##bwlq(__mem, __val); \
+}
-#define __OUT2(m) \
-__asm__ __volatile__ ("s" #m "\t%0,%1(%2)"
+#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, p, slow) \
+ \
+static inline void pfx##out##bwlq##p(type val, unsigned long port) \
+{ \
+ volatile type *__addr; \
+ type __val; \
+ \
+ war_octeon_io_reorder_wmb(); \
+ \
+ __addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \
+ \
+ __val = pfx##ioswab##bwlq(__addr, val); \
+ \
+ /* Really, we want this to be atomic */ \
+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \
+ \
+ *__addr = __val; \
+ slow; \
+} \
+ \
+static inline type pfx##in##bwlq##p(unsigned long port) \
+{ \
+ volatile type *__addr; \
+ type __val; \
+ \
+ __addr = (void *)__swizzle_addr_##bwlq(mips_io_port_base + port); \
+ \
+ BUILD_BUG_ON(sizeof(type) > sizeof(unsigned long)); \
+ \
+ __val = *__addr; \
+ slow; \
+ \
+ return pfx##ioswab##bwlq(__addr, __val); \
+}
-#define __OUT(m,s,w) \
-__OUT1(s) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); } \
-__OUT1(s##c) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); } \
-__OUT1(s##_p) __OUT2(m) : : "r" (__ioswab##w(value)), "i" (0), "r" (mips_io_port_base+port)); \
- SLOW_DOWN_IO; } \
-__OUT1(s##c_p) __OUT2(m) : : "r" (__ioswab##w(value)), "ir" (port), "r" (mips_io_port_base)); \
- SLOW_DOWN_IO; }
+#define __BUILD_MEMORY_PFX(bus, bwlq, type) \
+ \
+__BUILD_MEMORY_SINGLE(bus, bwlq, type, 1)
+
+#define BUILDIO_MEM(bwlq, type) \
+ \
+__BUILD_MEMORY_PFX(__raw_, bwlq, type) \
+__BUILD_MEMORY_PFX(, bwlq, type) \
+__BUILD_MEMORY_PFX(__mem_, bwlq, type) \
+
+BUILDIO_MEM(b, u8)
+BUILDIO_MEM(w, u16)
+BUILDIO_MEM(l, u32)
+BUILDIO_MEM(q, u64)
+
+#define __BUILD_IOPORT_PFX(bus, bwlq, type) \
+ __BUILD_IOPORT_SINGLE(bus, bwlq, type, ,) \
+ __BUILD_IOPORT_SINGLE(bus, bwlq, type, _p, SLOW_DOWN_IO)
+
+#define BUILDIO_IOPORT(bwlq, type) \
+ __BUILD_IOPORT_PFX(, bwlq, type) \
+ __BUILD_IOPORT_PFX(__mem_, bwlq, type)
+
+BUILDIO_IOPORT(b, u8)
+BUILDIO_IOPORT(w, u16)
+BUILDIO_IOPORT(l, u32)
+#ifdef CONFIG_64BIT
+BUILDIO_IOPORT(q, u64)
+#endif
-#define __IN1(t,s) \
-static inline t __in##s(unsigned int port) { t _v;
+#define __BUILDIO(bwlq, type) \
+ \
+__BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 0)
+
+__BUILDIO(q, u64)
+
+#define readb_relaxed readb
+#define readw_relaxed readw
+#define readl_relaxed readl
+#define readq_relaxed readq
+
+#define writeb_relaxed writeb
+#define writew_relaxed writew
+#define writel_relaxed writel
+#define writeq_relaxed writeq
+
+#define readb_be(addr) \
+ __raw_readb((__force unsigned *)(addr))
+#define readw_be(addr) \
+ be16_to_cpu(__raw_readw((__force unsigned *)(addr)))
+#define readl_be(addr) \
+ be32_to_cpu(__raw_readl((__force unsigned *)(addr)))
+#define readq_be(addr) \
+ be64_to_cpu(__raw_readq((__force unsigned *)(addr)))
+
+#define writeb_be(val, addr) \
+ __raw_writeb((val), (__force unsigned *)(addr))
+#define writew_be(val, addr) \
+ __raw_writew(cpu_to_be16((val)), (__force unsigned *)(addr))
+#define writel_be(val, addr) \
+ __raw_writel(cpu_to_be32((val)), (__force unsigned *)(addr))
+#define writeq_be(val, addr) \
+ __raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr))
/*
- * Required nops will be inserted by the assembler
+ * Some code tests for these symbols
*/
-#define __IN2(m) \
-__asm__ __volatile__ ("l" #m "\t%0,%1(%2)"
-
-#define __IN(t,m,s,w) \
-__IN1(t,s) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); return __ioswab##w(_v); } \
-__IN1(t,s##c) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); return __ioswab##w(_v); } \
-__IN1(t,s##_p) __IN2(m) : "=r" (_v) : "i" (0), "r" (mips_io_port_base+port)); SLOW_DOWN_IO; return __ioswab##w(_v); } \
-__IN1(t,s##c_p) __IN2(m) : "=r" (_v) : "ir" (port), "r" (mips_io_port_base)); SLOW_DOWN_IO; return __ioswab##w(_v); }
-
-#define __INS1(s) \
-static inline void __ins##s(unsigned int port, void * addr, unsigned long count) {
-
-#define __INS2(m) \
-if (count) \
-__asm__ __volatile__ ( \
- ".set\tnoreorder\n\t" \
- ".set\tnoat\n" \
- "1:\tl" #m "\t$1,%4(%5)\n\t" \
- "subu\t%1,1\n\t" \
- "s" #m "\t$1,(%0)\n\t" \
- "bne\t$0,%1,1b\n\t" \
- "addiu\t%0,%6\n\t" \
- ".set\tat\n\t" \
- ".set\treorder"
-
-#define __INS(m,s,i) \
-__INS1(s) __INS2(m) \
- : "=r" (addr), "=r" (count) \
- : "0" (addr), "1" (count), "i" (0), \
- "r" (mips_io_port_base+port), "I" (i) \
- : "$1");} \
-__INS1(s##c) __INS2(m) \
- : "=r" (addr), "=r" (count) \
- : "0" (addr), "1" (count), "ir" (port), \
- "r" (mips_io_port_base), "I" (i) \
- : "$1");}
-
-#define __OUTS1(s) \
-static inline void __outs##s(unsigned int port, const void * addr, unsigned long count) {
-
-#define __OUTS2(m) \
-if (count) \
-__asm__ __volatile__ ( \
- ".set\tnoreorder\n\t" \
- ".set\tnoat\n" \
- "1:\tl" #m "\t$1,(%0)\n\t" \
- "subu\t%1,1\n\t" \
- "s" #m "\t$1,%4(%5)\n\t" \
- "bne\t$0,%1,1b\n\t" \
- "addiu\t%0,%6\n\t" \
- ".set\tat\n\t" \
- ".set\treorder"
-
-#define __OUTS(m,s,i) \
-__OUTS1(s) __OUTS2(m) \
- : "=r" (addr), "=r" (count) \
- : "0" (addr), "1" (count), "i" (0), "r" (mips_io_port_base+port), "I" (i) \
- : "$1");} \
-__OUTS1(s##c) __OUTS2(m) \
- : "=r" (addr), "=r" (count) \
- : "0" (addr), "1" (count), "ir" (port), "r" (mips_io_port_base), "I" (i) \
- : "$1");}
-
-__IN(unsigned char,b,b,8)
-__IN(unsigned short,h,w,16)
-__IN(unsigned int,w,l,32)
-
-__OUT(b,b,8)
-__OUT(h,w,16)
-__OUT(w,l,32)
-
-__INS(b,b,1)
-__INS(h,w,2)
-__INS(w,l,4)
-
-__OUTS(b,b,1)
-__OUTS(h,w,2)
-__OUTS(w,l,4)
+#define readq readq
+#define writeq writeq
+
+#define __BUILD_MEMORY_STRING(bwlq, type) \
+ \
+static inline void writes##bwlq(volatile void __iomem *mem, \
+ const void *addr, unsigned int count) \
+{ \
+ const volatile type *__addr = addr; \
+ \
+ while (count--) { \
+ __mem_write##bwlq(*__addr, mem); \
+ __addr++; \
+ } \
+} \
+ \
+static inline void reads##bwlq(volatile void __iomem *mem, void *addr, \
+ unsigned int count) \
+{ \
+ volatile type *__addr = addr; \
+ \
+ while (count--) { \
+ *__addr = __mem_read##bwlq(mem); \
+ __addr++; \
+ } \
+}
+#define __BUILD_IOPORT_STRING(bwlq, type) \
+ \
+static inline void outs##bwlq(unsigned long port, const void *addr, \
+ unsigned int count) \
+{ \
+ const volatile type *__addr = addr; \
+ \
+ while (count--) { \
+ __mem_out##bwlq(*__addr, port); \
+ __addr++; \
+ } \
+} \
+ \
+static inline void ins##bwlq(unsigned long port, void *addr, \
+ unsigned int count) \
+{ \
+ volatile type *__addr = addr; \
+ \
+ while (count--) { \
+ *__addr = __mem_in##bwlq(port); \
+ __addr++; \
+ } \
+}
-/*
- * Note that due to the way __builtin_constant_p() works, you
- * - can't use it inside an inline function (it will never be true)
- * - you don't have to worry about side effects within the __builtin..
- */
-#define outb(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outbc((val),(port)) : \
- __outb((val),(port)))
-
-#define inb(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inbc(port) : \
- __inb(port))
-
-#define outb_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outbc_p((val),(port)) : \
- __outb_p((val),(port)))
-
-#define inb_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inbc_p(port) : \
- __inb_p(port))
-
-#define outw(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outwc((val),(port)) : \
- __outw((val),(port)))
-
-#define inw(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inwc(port) : \
- __inw(port))
-
-#define outw_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outwc_p((val),(port)) : \
- __outw_p((val),(port)))
-
-#define inw_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inwc_p(port) : \
- __inw_p(port))
-
-#define outl(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outlc((val),(port)) : \
- __outl((val),(port)))
-
-#define inl(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inlc(port) : \
- __inl(port))
-
-#define outl_p(val,port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outlc_p((val),(port)) : \
- __outl_p((val),(port)))
-
-#define inl_p(port) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inlc_p(port) : \
- __inl_p(port))
-
-
-#define outsb(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outsbc((port),(addr),(count)) : \
- __outsb ((port),(addr),(count)))
-
-#define insb(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __insbc((port),(addr),(count)) : \
- __insb((port),(addr),(count)))
-
-#define outsw(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outswc((port),(addr),(count)) : \
- __outsw ((port),(addr),(count)))
-
-#define insw(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inswc((port),(addr),(count)) : \
- __insw((port),(addr),(count)))
-
-#define outsl(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __outslc((port),(addr),(count)) : \
- __outsl ((port),(addr),(count)))
-
-#define insl(port,addr,count) \
-((__builtin_constant_p((port)) && (port) < 32768) ? \
- __inslc((port),(addr),(count)) : \
- __insl((port),(addr),(count)))
+#define BUILDSTRING(bwlq, type) \
+ \
+__BUILD_MEMORY_STRING(bwlq, type) \
+__BUILD_IOPORT_STRING(bwlq, type)
-#define IO_SPACE_LIMIT 0xffff
+BUILDSTRING(b, u8)
+BUILDSTRING(w, u16)
+BUILDSTRING(l, u32)
+#ifdef CONFIG_64BIT
+BUILDSTRING(q, u64)
+#endif
-/*
- * The caches on some architectures aren't dma-coherent and have need to
- * handle this in software. There are three types of operations that
- * can be applied to dma buffers.
- *
- * - dma_cache_wback_inv(start, size) makes caches and coherent by
- * writing the content of the caches back to memory, if necessary.
- * The function also invalidates the affected part of the caches as
- * necessary before DMA transfers from outside to memory.
- * - dma_cache_wback(start, size) makes caches and coherent by
- * writing the content of the caches back to memory, if necessary.
- * The function also invalidates the affected part of the caches as
- * necessary before DMA transfers from outside to memory.
- * - dma_cache_inv(start, size) invalidates the affected parts of the
- * caches. Dirty lines of the caches may be written back or simply
- * be discarded. This operation is necessary before dma operations
- * to the memory.
- */
-extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
-extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
-extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
-#define dma_cache_wback_inv(start,size) _dma_cache_wback_inv(start,size)
-#define dma_cache_wback(start,size) _dma_cache_wback(start,size)
-#define dma_cache_inv(start,size) _dma_cache_inv(start,size)
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+#define mmiowb() wmb()
+#else
+/* Depends on MIPS II instruction set */
+#define mmiowb() asm volatile ("sync" ::: "memory")
+#endif
-static inline void sync(void)
+static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
+{
+ memset((void __force *)addr, val, count);
+}
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
+{
+ memcpy(dst, (void __force *)src, count);
+}
+static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
{
+ memcpy((void __force *)dst, src, count);
}
/*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
+ * Read a 32-bit register that requires a 64-bit read cycle on the bus.
+ * Avoid interrupt mucking, just adjust the address for 4-byte access.
+ * Assume the addresses are 8-byte aligned.
+ */
+#ifdef __MIPSEB__
+#define __CSR_32_ADJUST 4
+#else
+#define __CSR_32_ADJUST 0
+#endif
+
+#define csr_out32(v, a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v))
+#define csr_in32(a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST))
+
+/*
+ * U-Boot specific
*/
-#define MAP_NOCACHE (0)
+#define sync() mmiowb()
+
+#define MAP_NOCACHE (1)
#define MAP_WRCOMBINE (0)
#define MAP_WRBACK (0)
#define MAP_WRTHROUGH (0)
@@ -493,6 +528,9 @@ static inline void sync(void)
static inline void *
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
+ if (flags == MAP_NOCACHE)
+ return ioremap(paddr, len);
+
return (void *)paddr;
}
@@ -501,7 +539,61 @@ map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
*/
static inline void unmap_physmem(void *vaddr, unsigned long flags)
{
+}
+#define __BUILD_CLRBITS(bwlq, sfx, end, type) \
+ \
+static inline void clrbits_##sfx(volatile void __iomem *mem, type clr) \
+{ \
+ type __val = __raw_read##bwlq(mem); \
+ __val = end##_to_cpu(__val); \
+ __val &= ~clr; \
+ __val = cpu_to_##end(__val); \
+ __raw_write##bwlq(__val, mem); \
}
+#define __BUILD_SETBITS(bwlq, sfx, end, type) \
+ \
+static inline void setbits_##sfx(volatile void __iomem *mem, type set) \
+{ \
+ type __val = __raw_read##bwlq(mem); \
+ __val = end##_to_cpu(__val); \
+ __val |= set; \
+ __val = cpu_to_##end(__val); \
+ __raw_write##bwlq(__val, mem); \
+}
+
+#define __BUILD_CLRSETBITS(bwlq, sfx, end, type) \
+ \
+static inline void clrsetbits_##sfx(volatile void __iomem *mem, \
+ type clr, type set) \
+{ \
+ type __val = __raw_read##bwlq(mem); \
+ __val = end##_to_cpu(__val); \
+ __val &= ~clr; \
+ __val |= set; \
+ __val = cpu_to_##end(__val); \
+ __raw_write##bwlq(__val, mem); \
+}
+
+#define BUILD_CLRSETBITS(bwlq, sfx, end, type) \
+ \
+__BUILD_CLRBITS(bwlq, sfx, end, type) \
+__BUILD_SETBITS(bwlq, sfx, end, type) \
+__BUILD_CLRSETBITS(bwlq, sfx, end, type)
+
+#define __to_cpu(v) (v)
+#define cpu_to__(v) (v)
+
+BUILD_CLRSETBITS(b, 8, _, u8)
+BUILD_CLRSETBITS(w, le16, le16, u16)
+BUILD_CLRSETBITS(w, be16, be16, u16)
+BUILD_CLRSETBITS(w, 16, _, u16)
+BUILD_CLRSETBITS(l, le32, le32, u32)
+BUILD_CLRSETBITS(l, be32, be32, u32)
+BUILD_CLRSETBITS(l, 32, _, u32)
+BUILD_CLRSETBITS(q, le64, le64, u64)
+BUILD_CLRSETBITS(q, be64, be64, u64)
+BUILD_CLRSETBITS(q, 64, _, u64)
+
#endif /* _ASM_IO_H */
diff --git a/arch/mips/include/asm/isadep.h b/arch/mips/include/asm/isadep.h
index 24c6cda7937760e0ddd6e7ffa3d033b9e5ed4981..3d79ebcf593c452953bf975ebe72093014acc750 100644
--- a/arch/mips/include/asm/isadep.h
+++ b/arch/mips/include/asm/isadep.h
@@ -4,6 +4,8 @@
* of Coprocessor 0 registers.
*
* Copyright (c) 1998 Harald Koerfgen
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_ISADEP_H
@@ -18,7 +20,7 @@
* kernel or user mode? (CP0_STATUS)
*/
#define KU_MASK 0x08
-#define KU_USER 0x08
+#define KU_USER 0x08
#define KU_KERN 0x00
#else
@@ -26,7 +28,7 @@
* kernel or user mode?
*/
#define KU_MASK 0x18
-#define KU_USER 0x10
+#define KU_USER 0x10
#define KU_KERN 0x00
#endif
diff --git a/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h
new file mode 100644
index 0000000000000000000000000000000000000000..613f844f08c25f6d9477ef445a9df384ff4dff89
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2003 Ralf Baechle
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H
+
+/* Intentionally empty file ... */
+
+#endif /* __ASM_MACH_GENERIC_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-generic/ioremap.h b/arch/mips/include/asm/mach-generic/ioremap.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b191d54a69f79b2b2edf749607f14636ea1eec5
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/ioremap.h
@@ -0,0 +1,32 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_IOREMAP_H
+#define __ASM_MACH_GENERIC_IOREMAP_H
+
+#include <linux/types.h>
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
+ phys_addr_t size)
+{
+ return phys_addr;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+ unsigned long flags)
+{
+ return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+ return 0;
+}
+
+#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
+
+#endif /* __ASM_MACH_GENERIC_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-generic/mangle-port.h b/arch/mips/include/asm/mach-generic/mangle-port.h
new file mode 100644
index 0000000000000000000000000000000000000000..f18e53f7b832e74c010056672d5076c0e8800de1
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/mangle-port.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_MACH_GENERIC_MANGLE_PORT_H
+#define __ASM_MACH_GENERIC_MANGLE_PORT_H
+
+#define __swizzle_addr_b(port) (port)
+#define __swizzle_addr_w(port) (port)
+#define __swizzle_addr_l(port) (port)
+#define __swizzle_addr_q(port) (port)
+
+/*
+ * Sane hardware offers swapping of PCI/ISA I/O space accesses in hardware;
+ * less sane hardware forces software to fiddle with this...
+ *
+ * Regardless, if the host bus endianness mismatches that of PCI/ISA, then
+ * you can't have the numerical value of data and byte addresses within
+ * multibyte quantities both preserved at the same time. Hence two
+ * variations of functions: non-prefixed ones that preserve the value
+ * and prefixed ones that preserve byte addresses. The latters are
+ * typically used for moving raw data between a peripheral and memory (cf.
+ * string I/O functions), hence the "__mem_" prefix.
+ */
+#if defined(CONFIG_SWAP_IO_SPACE)
+
+# define ioswabb(a, x) (x)
+# define __mem_ioswabb(a, x) (x)
+# define ioswabw(a, x) le16_to_cpu(x)
+# define __mem_ioswabw(a, x) (x)
+# define ioswabl(a, x) le32_to_cpu(x)
+# define __mem_ioswabl(a, x) (x)
+# define ioswabq(a, x) le64_to_cpu(x)
+# define __mem_ioswabq(a, x) (x)
+
+#else
+
+# define ioswabb(a, x) (x)
+# define __mem_ioswabb(a, x) (x)
+# define ioswabw(a, x) (x)
+# define __mem_ioswabw(a, x) cpu_to_le16(x)
+# define ioswabl(a, x) (x)
+# define __mem_ioswabl(a, x) cpu_to_le32(x)
+# define ioswabq(a, x) (x)
+# define __mem_ioswabq(a, x) cpu_to_le32(x)
+
+#endif
+
+#endif /* __ASM_MACH_GENERIC_MANGLE_PORT_H */
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
new file mode 100644
index 0000000000000000000000000000000000000000..ab06674b1442fcf92bca3a2d55dc760c3fd15de8
--- /dev/null
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002 Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef _ASM_MACH_GENERIC_SPACES_H
+#define _ASM_MACH_GENERIC_SPACES_H
+
+#include <asm/const.h>
+
+/*
+ * This gives the physical RAM offset.
+ */
+#ifndef PHYS_OFFSET
+#define PHYS_OFFSET _AC(0, UL)
+#endif
+
+#ifdef CONFIG_32BIT
+#ifdef CONFIG_KVM_GUEST
+#define CAC_BASE _AC(0x40000000, UL)
+#else
+#define CAC_BASE _AC(0x80000000, UL)
+#endif
+#ifndef IO_BASE
+#define IO_BASE _AC(0xa0000000, UL)
+#endif
+#ifndef UNCAC_BASE
+#define UNCAC_BASE _AC(0xa0000000, UL)
+#endif
+
+#ifndef MAP_BASE
+#ifdef CONFIG_KVM_GUEST
+#define MAP_BASE _AC(0x60000000, UL)
+#else
+#define MAP_BASE _AC(0xc0000000, UL)
+#endif
+#endif
+
+/*
+ * Memory above this physical address will be considered highmem.
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START _AC(0x20000000, UL)
+#endif
+
+#endif /* CONFIG_32BIT */
+
+#ifdef CONFIG_64BIT
+
+#ifndef CAC_BASE
+#ifdef CONFIG_DMA_NONCOHERENT
+#define CAC_BASE _AC(0x9800000000000000, UL)
+#else
+#define CAC_BASE _AC(0xa800000000000000, UL)
+#endif
+#endif
+
+#ifndef IO_BASE
+#define IO_BASE _AC(0x9000000000000000, UL)
+#endif
+
+#ifndef UNCAC_BASE
+#define UNCAC_BASE _AC(0x9000000000000000, UL)
+#endif
+
+#ifndef MAP_BASE
+#define MAP_BASE _AC(0xc000000000000000, UL)
+#endif
+
+/*
+ * Memory above this physical address will be considered highmem.
+ * Fixme: 59 bits is a fictive number and makes assumptions about processors
+ * in the distant future. Nobody will care for a few years :-)
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START (_AC(1, UL) << _AC(59, UL))
+#endif
+
+#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
+#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))
+#define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK))
+
+#endif /* CONFIG_64BIT */
+
+/*
+ * This handles the memory map.
+ */
+#ifndef PAGE_OFFSET
+#define PAGE_OFFSET (CAC_BASE + PHYS_OFFSET)
+#endif
+
+#ifndef FIXADDR_TOP
+#ifdef CONFIG_KVM_GUEST
+#define FIXADDR_TOP ((unsigned long)(long)(int)0x7ffe0000)
+#else
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000)
+#endif
+#endif
+
+#endif /* __ASM_MACH_GENERIC_SPACES_H */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index c7a08499ff2b51977702f02bf2f5fc212ec9f2be..3185dc7abf2048d3ea4d917c678333d04b63509c 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1,22 +1,16 @@
/*
- * 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, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
* Copyright (C) 2000 Silicon Graphics, Inc.
* Modified for further R[236]000 support by Paul M. Antoine, 1996.
* Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000, 07 MIPS Technologies, Inc.
* Copyright (C) 2003, 2004 Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_MIPSREGS_H
#define _ASM_MIPSREGS_H
-#if 0
-#include <linux/linkage.h>
-#endif
-
/*
* The following macros are especially useful for __asm__
* inline assembler.
@@ -49,7 +43,9 @@
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CP0_INFO $7
+#define CP0_HWRENA $7, 0
#define CP0_BADVADDR $8
+#define CP0_BADINSTR $8, 1
#define CP0_COUNT $9
#define CP0_ENTRYHI $10
#define CP0_COMPARE $11
@@ -57,7 +53,11 @@
#define CP0_CAUSE $13
#define CP0_EPC $14
#define CP0_PRID $15
+#define CP0_EBASE $15, 1
+#define CP0_CMGCRBASE $15, 3
#define CP0_CONFIG $16
+#define CP0_CONFIG3 $16, 3
+#define CP0_CONFIG5 $16, 5
#define CP0_LLADDR $17
#define CP0_WATCHLO $18
#define CP0_WATCHHI $19
@@ -98,74 +98,36 @@
/*
* Coprocessor 0 Set 2 register names
*/
-#define CP0_S2_SRSCTL $12 /* MIPSR2 */
+#define CP0_S2_SRSCTL $12 /* MIPSR2 */
/*
* Coprocessor 0 Set 3 register names
*/
-#define CP0_S3_SRSMAP $12 /* MIPSR2 */
+#define CP0_S3_SRSMAP $12 /* MIPSR2 */
/*
* TX39 Series
*/
#define CP0_TX39_CACHE $7
-/*
- * Coprocessor 1 (FPU) register names
- */
-#define CP1_REVISION $0
-#define CP1_STATUS $31
-/*
- * FPU Status Register Values
- */
-/*
- * Status Register Values
- */
+/* Generic EntryLo bit definitions */
+#define ENTRYLO_G (_ULCAST_(1) << 0)
+#define ENTRYLO_V (_ULCAST_(1) << 1)
+#define ENTRYLO_D (_ULCAST_(1) << 2)
+#define ENTRYLO_C_SHIFT 3
+#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
-#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */
-#define FPU_CSR_COND 0x00800000 /* $fcc0 */
-#define FPU_CSR_COND0 0x00800000 /* $fcc0 */
-#define FPU_CSR_COND1 0x02000000 /* $fcc1 */
-#define FPU_CSR_COND2 0x04000000 /* $fcc2 */
-#define FPU_CSR_COND3 0x08000000 /* $fcc3 */
-#define FPU_CSR_COND4 0x10000000 /* $fcc4 */
-#define FPU_CSR_COND5 0x20000000 /* $fcc5 */
-#define FPU_CSR_COND6 0x40000000 /* $fcc6 */
-#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
+/* R3000 EntryLo bit definitions */
+#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
+#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
+#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
+#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
-/*
- * X the exception cause indicator
- * E the exception enable
- * S the sticky/flag bit
- */
-#define FPU_CSR_ALL_X 0x0003f000
-#define FPU_CSR_UNI_X 0x00020000
-#define FPU_CSR_INV_X 0x00010000
-#define FPU_CSR_DIV_X 0x00008000
-#define FPU_CSR_OVF_X 0x00004000
-#define FPU_CSR_UDF_X 0x00002000
-#define FPU_CSR_INE_X 0x00001000
-
-#define FPU_CSR_ALL_E 0x00000f80
-#define FPU_CSR_INV_E 0x00000800
-#define FPU_CSR_DIV_E 0x00000400
-#define FPU_CSR_OVF_E 0x00000200
-#define FPU_CSR_UDF_E 0x00000100
-#define FPU_CSR_INE_E 0x00000080
-
-#define FPU_CSR_ALL_S 0x0000007c
-#define FPU_CSR_INV_S 0x00000040
-#define FPU_CSR_DIV_S 0x00000020
-#define FPU_CSR_OVF_S 0x00000010
-#define FPU_CSR_UDF_S 0x00000008
-#define FPU_CSR_INE_S 0x00000004
-
-/* rounding mode */
-#define FPU_CSR_RN 0x0 /* nearest */
-#define FPU_CSR_RZ 0x1 /* towards zero */
-#define FPU_CSR_RU 0x2 /* towards +Infinity */
-#define FPU_CSR_RD 0x3 /* towards -Infinity */
+/* MIPS32/64 EntryLo bit definitions */
+#define MIPS_ENTRYLO_PFN_SHIFT 6
+#define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2))
+#define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1))
/*
* Values for PageMask register
@@ -183,14 +145,22 @@
#else
#define PM_4K 0x00000000
+#define PM_8K 0x00002000
#define PM_16K 0x00006000
+#define PM_32K 0x0000e000
#define PM_64K 0x0001e000
+#define PM_128K 0x0003e000
#define PM_256K 0x0007e000
+#define PM_512K 0x000fe000
#define PM_1M 0x001fe000
+#define PM_2M 0x003fe000
#define PM_4M 0x007fe000
+#define PM_8M 0x00ffe000
#define PM_16M 0x01ffe000
+#define PM_32M 0x03ffe000
#define PM_64M 0x07ffe000
#define PM_256M 0x1fffe000
+#define PM_1G 0x7fffe000
#endif
@@ -207,11 +177,23 @@
#define PL_64M 26
#define PL_256M 28
+/*
+ * PageGrain bits
+ */
+#define PG_RIE (_ULCAST_(1) << 31)
+#define PG_XIE (_ULCAST_(1) << 30)
+#define PG_ELPA (_ULCAST_(1) << 29)
+#define PG_ESP (_ULCAST_(1) << 28)
+#define PG_IEC (_ULCAST_(1) << 27)
+
+/* MIPS32/64 EntryHI bit definitions */
+#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
+
/*
* R4x00 interrupt enable / cause bits
*/
-#define IE_SW0 (_ULCAST_(1) << 8)
-#define IE_SW1 (_ULCAST_(1) << 9)
+#define IE_SW0 (_ULCAST_(1) << 8)
+#define IE_SW1 (_ULCAST_(1) << 9)
#define IE_IRQ0 (_ULCAST_(1) << 10)
#define IE_IRQ1 (_ULCAST_(1) << 11)
#define IE_IRQ2 (_ULCAST_(1) << 12)
@@ -222,8 +204,8 @@
/*
* R4x00 interrupt cause bits
*/
-#define C_SW0 (_ULCAST_(1) << 8)
-#define C_SW1 (_ULCAST_(1) << 9)
+#define C_SW0 (_ULCAST_(1) << 8)
+#define C_SW1 (_ULCAST_(1) << 9)
#define C_IRQ0 (_ULCAST_(1) << 10)
#define C_IRQ1 (_ULCAST_(1) << 11)
#define C_IRQ2 (_ULCAST_(1) << 12)
@@ -271,7 +253,7 @@
/*
* Bits specific to the R4640/R4650
*/
-#define ST0_UM (_ULCAST_(1) << 4)
+#define ST0_UM (_ULCAST_(1) << 4)
#define ST0_IL (_ULCAST_(1) << 23)
#define ST0_DL (_ULCAST_(1) << 24)
@@ -280,76 +262,44 @@
*/
#define ST0_MX 0x01000000
-/*
- * Bitfields in the TX39 family CP0 Configuration Register 3
- */
-#define TX39_CONF_ICS_SHIFT 19
-#define TX39_CONF_ICS_MASK 0x00380000
-#define TX39_CONF_ICS_1KB 0x00000000
-#define TX39_CONF_ICS_2KB 0x00080000
-#define TX39_CONF_ICS_4KB 0x00100000
-#define TX39_CONF_ICS_8KB 0x00180000
-#define TX39_CONF_ICS_16KB 0x00200000
-
-#define TX39_CONF_DCS_SHIFT 16
-#define TX39_CONF_DCS_MASK 0x00070000
-#define TX39_CONF_DCS_1KB 0x00000000
-#define TX39_CONF_DCS_2KB 0x00010000
-#define TX39_CONF_DCS_4KB 0x00020000
-#define TX39_CONF_DCS_8KB 0x00030000
-#define TX39_CONF_DCS_16KB 0x00040000
-
-#define TX39_CONF_CWFON 0x00004000
-#define TX39_CONF_WBON 0x00002000
-#define TX39_CONF_RF_SHIFT 10
-#define TX39_CONF_RF_MASK 0x00000c00
-#define TX39_CONF_DOZE 0x00000200
-#define TX39_CONF_HALT 0x00000100
-#define TX39_CONF_LOCK 0x00000080
-#define TX39_CONF_ICE 0x00000020
-#define TX39_CONF_DCE 0x00000010
-#define TX39_CONF_IRSIZE_SHIFT 2
-#define TX39_CONF_IRSIZE_MASK 0x0000000c
-#define TX39_CONF_DRSIZE_SHIFT 0
-#define TX39_CONF_DRSIZE_MASK 0x00000003
-
/*
* Status register bits available in all MIPS CPUs.
*/
#define ST0_IM 0x0000ff00
-#define STATUSB_IP0 8
-#define STATUSF_IP0 (_ULCAST_(1) << 8)
-#define STATUSB_IP1 9
-#define STATUSF_IP1 (_ULCAST_(1) << 9)
-#define STATUSB_IP2 10
-#define STATUSF_IP2 (_ULCAST_(1) << 10)
-#define STATUSB_IP3 11
-#define STATUSF_IP3 (_ULCAST_(1) << 11)
-#define STATUSB_IP4 12
-#define STATUSF_IP4 (_ULCAST_(1) << 12)
-#define STATUSB_IP5 13
-#define STATUSF_IP5 (_ULCAST_(1) << 13)
-#define STATUSB_IP6 14
-#define STATUSF_IP6 (_ULCAST_(1) << 14)
-#define STATUSB_IP7 15
-#define STATUSF_IP7 (_ULCAST_(1) << 15)
-#define STATUSB_IP8 0
-#define STATUSF_IP8 (_ULCAST_(1) << 0)
-#define STATUSB_IP9 1
-#define STATUSF_IP9 (_ULCAST_(1) << 1)
-#define STATUSB_IP10 2
-#define STATUSF_IP10 (_ULCAST_(1) << 2)
-#define STATUSB_IP11 3
-#define STATUSF_IP11 (_ULCAST_(1) << 3)
-#define STATUSB_IP12 4
-#define STATUSF_IP12 (_ULCAST_(1) << 4)
-#define STATUSB_IP13 5
-#define STATUSF_IP13 (_ULCAST_(1) << 5)
-#define STATUSB_IP14 6
-#define STATUSF_IP14 (_ULCAST_(1) << 6)
-#define STATUSB_IP15 7
-#define STATUSF_IP15 (_ULCAST_(1) << 7)
+#define STATUSB_IP0 8
+#define STATUSF_IP0 (_ULCAST_(1) << 8)
+#define STATUSB_IP1 9
+#define STATUSF_IP1 (_ULCAST_(1) << 9)
+#define STATUSB_IP2 10
+#define STATUSF_IP2 (_ULCAST_(1) << 10)
+#define STATUSB_IP3 11
+#define STATUSF_IP3 (_ULCAST_(1) << 11)
+#define STATUSB_IP4 12
+#define STATUSF_IP4 (_ULCAST_(1) << 12)
+#define STATUSB_IP5 13
+#define STATUSF_IP5 (_ULCAST_(1) << 13)
+#define STATUSB_IP6 14
+#define STATUSF_IP6 (_ULCAST_(1) << 14)
+#define STATUSB_IP7 15
+#define STATUSF_IP7 (_ULCAST_(1) << 15)
+#define STATUSB_IP8 0
+#define STATUSF_IP8 (_ULCAST_(1) << 0)
+#define STATUSB_IP9 1
+#define STATUSF_IP9 (_ULCAST_(1) << 1)
+#define STATUSB_IP10 2
+#define STATUSF_IP10 (_ULCAST_(1) << 2)
+#define STATUSB_IP11 3
+#define STATUSF_IP11 (_ULCAST_(1) << 3)
+#define STATUSB_IP12 4
+#define STATUSF_IP12 (_ULCAST_(1) << 4)
+#define STATUSB_IP13 5
+#define STATUSF_IP13 (_ULCAST_(1) << 5)
+#define STATUSB_IP14 6
+#define STATUSF_IP14 (_ULCAST_(1) << 6)
+#define STATUSB_IP15 7
+#define STATUSF_IP15 (_ULCAST_(1) << 7)
#define ST0_CH 0x00040000
+#define ST0_NMI 0x00080000
#define ST0_SR 0x00100000
#define ST0_TS 0x00200000
#define ST0_BEV 0x00400000
@@ -362,37 +312,53 @@
#define ST0_CU3 0x80000000
#define ST0_XX 0x80000000 /* MIPS IV naming */
+/*
+ * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
+ */
+#define INTCTLB_IPFDC 23
+#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
+#define INTCTLB_IPPCI 26
+#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
+#define INTCTLB_IPTI 29
+#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
+
/*
* Bitfields and bit numbers in the coprocessor 0 cause register.
*
* Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
*/
-#define CAUSEB_EXCCODE 2
-#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
-#define CAUSEB_IP 8
-#define CAUSEF_IP (_ULCAST_(255) << 8)
-#define CAUSEB_IP0 8
-#define CAUSEF_IP0 (_ULCAST_(1) << 8)
-#define CAUSEB_IP1 9
-#define CAUSEF_IP1 (_ULCAST_(1) << 9)
-#define CAUSEB_IP2 10
-#define CAUSEF_IP2 (_ULCAST_(1) << 10)
-#define CAUSEB_IP3 11
-#define CAUSEF_IP3 (_ULCAST_(1) << 11)
-#define CAUSEB_IP4 12
-#define CAUSEF_IP4 (_ULCAST_(1) << 12)
-#define CAUSEB_IP5 13
-#define CAUSEF_IP5 (_ULCAST_(1) << 13)
-#define CAUSEB_IP6 14
-#define CAUSEF_IP6 (_ULCAST_(1) << 14)
-#define CAUSEB_IP7 15
-#define CAUSEF_IP7 (_ULCAST_(1) << 15)
-#define CAUSEB_IV 23
-#define CAUSEF_IV (_ULCAST_(1) << 23)
-#define CAUSEB_CE 28
-#define CAUSEF_CE (_ULCAST_(3) << 28)
-#define CAUSEB_BD 31
-#define CAUSEF_BD (_ULCAST_(1) << 31)
+#define CAUSEB_EXCCODE 2
+#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
+#define CAUSEB_IP 8
+#define CAUSEF_IP (_ULCAST_(255) << 8)
+#define CAUSEB_IP0 8
+#define CAUSEF_IP0 (_ULCAST_(1) << 8)
+#define CAUSEB_IP1 9
+#define CAUSEF_IP1 (_ULCAST_(1) << 9)
+#define CAUSEB_IP2 10
+#define CAUSEF_IP2 (_ULCAST_(1) << 10)
+#define CAUSEB_IP3 11
+#define CAUSEF_IP3 (_ULCAST_(1) << 11)
+#define CAUSEB_IP4 12
+#define CAUSEF_IP4 (_ULCAST_(1) << 12)
+#define CAUSEB_IP5 13
+#define CAUSEF_IP5 (_ULCAST_(1) << 13)
+#define CAUSEB_IP6 14
+#define CAUSEF_IP6 (_ULCAST_(1) << 14)
+#define CAUSEB_IP7 15
+#define CAUSEF_IP7 (_ULCAST_(1) << 15)
+#define CAUSEB_FDCI 21
+#define CAUSEF_FDCI (_ULCAST_(1) << 21)
+#define CAUSEB_IV 23
+#define CAUSEF_IV (_ULCAST_(1) << 23)
+#define CAUSEB_PCI 26
+#define CAUSEF_PCI (_ULCAST_(1) << 26)
+#define CAUSEB_CE 28
+#define CAUSEF_CE (_ULCAST_(3) << 28)
+#define CAUSEB_TI 30
+#define CAUSEF_TI (_ULCAST_(1) << 30)
+#define CAUSEB_BD 31
+#define CAUSEF_BD (_ULCAST_(1) << 31)
/*
* Bits in the coprocessor 0 config register.
@@ -410,43 +376,43 @@
#define CONF_BE (_ULCAST_(1) << 15)
/* Bits common to various processors. */
-#define CONF_CU (_ULCAST_(1) << 3)
-#define CONF_DB (_ULCAST_(1) << 4)
-#define CONF_IB (_ULCAST_(1) << 5)
-#define CONF_DC (_ULCAST_(7) << 6)
-#define CONF_IC (_ULCAST_(7) << 9)
+#define CONF_CU (_ULCAST_(1) << 3)
+#define CONF_DB (_ULCAST_(1) << 4)
+#define CONF_IB (_ULCAST_(1) << 5)
+#define CONF_DC (_ULCAST_(7) << 6)
+#define CONF_IC (_ULCAST_(7) << 9)
#define CONF_EB (_ULCAST_(1) << 13)
#define CONF_EM (_ULCAST_(1) << 14)
#define CONF_SM (_ULCAST_(1) << 16)
#define CONF_SC (_ULCAST_(1) << 17)
#define CONF_EW (_ULCAST_(3) << 18)
-#define CONF_EP (_ULCAST_(15)<< 24)
+#define CONF_EP (_ULCAST_(15) << 24)
#define CONF_EC (_ULCAST_(7) << 28)
#define CONF_CM (_ULCAST_(1) << 31)
-/* Bits specific to the R4xx0. */
+/* Bits specific to the R4xx0. */
#define R4K_CONF_SW (_ULCAST_(1) << 20)
#define R4K_CONF_SS (_ULCAST_(1) << 21)
#define R4K_CONF_SB (_ULCAST_(3) << 22)
-/* Bits specific to the R5000. */
+/* Bits specific to the R5000. */
#define R5K_CONF_SE (_ULCAST_(1) << 12)
#define R5K_CONF_SS (_ULCAST_(3) << 20)
-/* Bits specific to the RM7000. */
-#define RM7K_CONF_SE (_ULCAST_(1) << 3)
+/* Bits specific to the RM7000. */
+#define RM7K_CONF_SE (_ULCAST_(1) << 3)
#define RM7K_CONF_TE (_ULCAST_(1) << 12)
#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
#define RM7K_CONF_TC (_ULCAST_(1) << 17)
#define RM7K_CONF_SI (_ULCAST_(3) << 20)
#define RM7K_CONF_SC (_ULCAST_(1) << 31)
-/* Bits specific to the R10000. */
-#define R10K_CONF_DN (_ULCAST_(3) << 3)
-#define R10K_CONF_CT (_ULCAST_(1) << 5)
-#define R10K_CONF_PE (_ULCAST_(1) << 6)
-#define R10K_CONF_PM (_ULCAST_(3) << 7)
-#define R10K_CONF_EC (_ULCAST_(15)<< 9)
+/* Bits specific to the R10000. */
+#define R10K_CONF_DN (_ULCAST_(3) << 3)
+#define R10K_CONF_CT (_ULCAST_(1) << 5)
+#define R10K_CONF_PE (_ULCAST_(1) << 6)
+#define R10K_CONF_PM (_ULCAST_(3) << 7)
+#define R10K_CONF_EC (_ULCAST_(15) << 9)
#define R10K_CONF_SB (_ULCAST_(1) << 13)
#define R10K_CONF_SK (_ULCAST_(1) << 14)
#define R10K_CONF_SS (_ULCAST_(7) << 16)
@@ -454,14 +420,14 @@
#define R10K_CONF_DC (_ULCAST_(7) << 26)
#define R10K_CONF_IC (_ULCAST_(7) << 29)
-/* Bits specific to the VR41xx. */
+/* Bits specific to the VR41xx. */
#define VR41_CONF_CS (_ULCAST_(1) << 12)
#define VR41_CONF_P4K (_ULCAST_(1) << 13)
#define VR41_CONF_BP (_ULCAST_(1) << 16)
#define VR41_CONF_M16 (_ULCAST_(1) << 20)
#define VR41_CONF_AD (_ULCAST_(1) << 23)
-/* Bits specific to the R30xx. */
+/* Bits specific to the R30xx. */
#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
#define R30XX_CONF_REV (_ULCAST_(1) << 22)
#define R30XX_CONF_AC (_ULCAST_(1) << 23)
@@ -478,8 +444,10 @@
#define TX49_CONF_HALT (_ULCAST_(1) << 18)
#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
-/* Bits specific to the MIPS32/64 PRA. */
-#define MIPS_CONF_MT (_ULCAST_(7) << 7)
+/* Bits specific to the MIPS32/64 PRA. */
+#define MIPS_CONF_MT (_ULCAST_(7) << 7)
+#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
+#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
#define MIPS_CONF_AR (_ULCAST_(7) << 10)
#define MIPS_CONF_AT (_ULCAST_(3) << 13)
#define MIPS_CONF_M (_ULCAST_(1) << 31)
@@ -487,50 +455,245 @@
/*
* Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
*/
-#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
-#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
-#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
-#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
-#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
-#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
-#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
-#define MIPS_CONF1_DA_SHIFT 7
-#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
-#define MIPS_CONF1_DL_SHIFT 10
+#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
+#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
+#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
+#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
+#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
+#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
+#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
+#define MIPS_CONF1_DA_SHF 7
+#define MIPS_CONF1_DA_SZ 3
+#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
+#define MIPS_CONF1_DL_SHF 10
+#define MIPS_CONF1_DL_SZ 3
#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
-#define MIPS_CONF1_DS_SHIFT 13
+#define MIPS_CONF1_DS_SHF 13
+#define MIPS_CONF1_DS_SZ 3
#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
-#define MIPS_CONF1_IA_SHIFT 16
+#define MIPS_CONF1_IA_SHF 16
+#define MIPS_CONF1_IA_SZ 3
#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
-#define MIPS_CONF1_IL_SHIFT 19
+#define MIPS_CONF1_IL_SHF 19
+#define MIPS_CONF1_IL_SZ 3
#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
-#define MIPS_CONF1_IS_SHIFT 22
+#define MIPS_CONF1_IS_SHF 22
+#define MIPS_CONF1_IS_SZ 3
#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
-#define MIPS_CONF1_TLBS (_ULCAST_(63)<< 25)
-
-#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
-#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
-#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
-#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
-#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
-#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
-#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
+#define MIPS_CONF1_TLBS_SHIFT (25)
+#define MIPS_CONF1_TLBS_SIZE (6)
+#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
+
+#define MIPS_CONF2_SA (_ULCAST_(15) << 0)
+#define MIPS_CONF2_SL (_ULCAST_(15) << 4)
+#define MIPS_CONF2_SS (_ULCAST_(15) << 8)
+#define MIPS_CONF2_SU (_ULCAST_(15) << 12)
+#define MIPS_CONF2_TA (_ULCAST_(15) << 16)
+#define MIPS_CONF2_TL (_ULCAST_(15) << 20)
+#define MIPS_CONF2_TS (_ULCAST_(15) << 24)
#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
-#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
-#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
-#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
-#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
-#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
-#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
-#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
+#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
+#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
+#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
+#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
+#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
+#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
+#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
+#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
+#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
+#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
+#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
+#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
+#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
+#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
+#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
+#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
+#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
+#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
+#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
+#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
+#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
+#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
+#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
+#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
+#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
+
+#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
+#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
+#define MIPS_CONF4_FTLBSETS_SHIFT (0)
+#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
+#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
+#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
+#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
+/* bits 10:8 in FTLB-only configurations */
+#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+/* bits 12:8 in VTLB-FTLB only configurations */
+#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
+#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
+#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
+#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
+#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
+#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
+#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
+#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
+#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
+#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
+
+#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
+#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
+#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
+#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
+#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
+#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
+#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
+#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
+#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
+#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
+#define MIPS_CONF5_K (_ULCAST_(1) << 30)
+
+#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
+/* proAptiv FTLB on/off bit */
+#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT (16)
#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
+#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
+#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
+/* FTLB probability bits for R6 */
+#define MIPS_CONF7_FTLBP_SHIFT (18)
+
+/* MAAR bit definitions */
+#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
+#define MIPS_MAAR_ADDR_SHIFT 12
+#define MIPS_MAAR_S (_ULCAST_(1) << 1)
+#define MIPS_MAAR_V (_ULCAST_(1) << 0)
+
+/* CMGCRBase bit definitions */
+#define MIPS_CMGCRB_BASE 11
+#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
+
+/*
+ * Bits in the MIPS32 Memory Segmentation registers.
+ */
+#define MIPS_SEGCFG_PA_SHIFT 9
+#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
+#define MIPS_SEGCFG_AM_SHIFT 4
+#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
+#define MIPS_SEGCFG_EU_SHIFT 3
+#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
+#define MIPS_SEGCFG_C_SHIFT 0
+#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
+
+#define MIPS_SEGCFG_UUSK _ULCAST_(7)
+#define MIPS_SEGCFG_USK _ULCAST_(5)
+#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
+#define MIPS_SEGCFG_MUSK _ULCAST_(3)
+#define MIPS_SEGCFG_MSK _ULCAST_(2)
+#define MIPS_SEGCFG_MK _ULCAST_(1)
+#define MIPS_SEGCFG_UK _ULCAST_(0)
+
+#define MIPS_PWFIELD_GDI_SHIFT 24
+#define MIPS_PWFIELD_GDI_MASK 0x3f000000
+#define MIPS_PWFIELD_UDI_SHIFT 18
+#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
+#define MIPS_PWFIELD_MDI_SHIFT 12
+#define MIPS_PWFIELD_MDI_MASK 0x0003f000
+#define MIPS_PWFIELD_PTI_SHIFT 6
+#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
+#define MIPS_PWFIELD_PTEI_SHIFT 0
+#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
+
+#define MIPS_PWSIZE_GDW_SHIFT 24
+#define MIPS_PWSIZE_GDW_MASK 0x3f000000
+#define MIPS_PWSIZE_UDW_SHIFT 18
+#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
+#define MIPS_PWSIZE_MDW_SHIFT 12
+#define MIPS_PWSIZE_MDW_MASK 0x0003f000
+#define MIPS_PWSIZE_PTW_SHIFT 6
+#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
+#define MIPS_PWSIZE_PTEW_SHIFT 0
+#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
+
+#define MIPS_PWCTL_PWEN_SHIFT 31
+#define MIPS_PWCTL_PWEN_MASK 0x80000000
+#define MIPS_PWCTL_DPH_SHIFT 7
+#define MIPS_PWCTL_DPH_MASK 0x00000080
+#define MIPS_PWCTL_HUGEPG_SHIFT 6
+#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
+#define MIPS_PWCTL_PSN_SHIFT 0
+#define MIPS_PWCTL_PSN_MASK 0x0000003f
+
+/* CDMMBase register bit definitions */
+#define MIPS_CDMMBASE_SIZE_SHIFT 0
+#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
+#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
+#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
+#define MIPS_CDMMBASE_ADDR_SHIFT 11
+#define MIPS_CDMMBASE_ADDR_START 15
+
+/*
+ * Bitfields in the TX39 family CP0 Configuration Register 3
+ */
+#define TX39_CONF_ICS_SHIFT 19
+#define TX39_CONF_ICS_MASK 0x00380000
+#define TX39_CONF_ICS_1KB 0x00000000
+#define TX39_CONF_ICS_2KB 0x00080000
+#define TX39_CONF_ICS_4KB 0x00100000
+#define TX39_CONF_ICS_8KB 0x00180000
+#define TX39_CONF_ICS_16KB 0x00200000
+
+#define TX39_CONF_DCS_SHIFT 16
+#define TX39_CONF_DCS_MASK 0x00070000
+#define TX39_CONF_DCS_1KB 0x00000000
+#define TX39_CONF_DCS_2KB 0x00010000
+#define TX39_CONF_DCS_4KB 0x00020000
+#define TX39_CONF_DCS_8KB 0x00030000
+#define TX39_CONF_DCS_16KB 0x00040000
+
+#define TX39_CONF_CWFON 0x00004000
+#define TX39_CONF_WBON 0x00002000
+#define TX39_CONF_RF_SHIFT 10
+#define TX39_CONF_RF_MASK 0x00000c00
+#define TX39_CONF_DOZE 0x00000200
+#define TX39_CONF_HALT 0x00000100
+#define TX39_CONF_LOCK 0x00000080
+#define TX39_CONF_ICE 0x00000020
+#define TX39_CONF_DCE 0x00000010
+#define TX39_CONF_IRSIZE_SHIFT 2
+#define TX39_CONF_IRSIZE_MASK 0x0000000c
+#define TX39_CONF_DRSIZE_SHIFT 0
+#define TX39_CONF_DRSIZE_MASK 0x00000003
+
+/*
+ * Interesting Bits in the R10K CP0 Branch Diagnostic Register
+ */
+/* Disable Branch Target Address Cache */
+#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
+/* Enable Branch Prediction Global History */
+#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
+/* Disable Branch Return Cache */
+#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
+
+/*
+ * Coprocessor 1 (FPU) register names
+ */
+#define CP1_REVISION $0
+#define CP1_UFR $1
+#define CP1_UNFR $4
+#define CP1_FCCR $25
+#define CP1_FEXR $26
+#define CP1_FENR $28
+#define CP1_STATUS $31
+
+
/*
* Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
*/
@@ -541,11 +704,150 @@
#define MIPS_FPIR_W (_ULCAST_(1) << 20)
#define MIPS_FPIR_L (_ULCAST_(1) << 21)
#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
+#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
+#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
+#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
+ */
+#define MIPS_FCCR_CONDX_S 0
+#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
+#define MIPS_FCCR_COND0_S 0
+#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
+#define MIPS_FCCR_COND1_S 1
+#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
+#define MIPS_FCCR_COND2_S 2
+#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
+#define MIPS_FCCR_COND3_S 3
+#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
+#define MIPS_FCCR_COND4_S 4
+#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
+#define MIPS_FCCR_COND5_S 5
+#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
+#define MIPS_FCCR_COND6_S 6
+#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
+#define MIPS_FCCR_COND7_S 7
+#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
+ */
+#define MIPS_FENR_FS_S 2
+#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
+
+/*
+ * FPU Status Register Values
+ */
+#define FPU_CSR_COND_S 23 /* $fcc0 */
+#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
+
+#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
+#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
+
+#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
+#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
+#define FPU_CSR_COND1_S 25 /* $fcc1 */
+#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
+#define FPU_CSR_COND2_S 26 /* $fcc2 */
+#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
+#define FPU_CSR_COND3_S 27 /* $fcc3 */
+#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
+#define FPU_CSR_COND4_S 28 /* $fcc4 */
+#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
+#define FPU_CSR_COND5_S 29 /* $fcc5 */
+#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
+#define FPU_CSR_COND6_S 30 /* $fcc6 */
+#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
+#define FPU_CSR_COND7_S 31 /* $fcc7 */
+#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
+
+/*
+ * Bits 22:20 of the FPU Status Register will be read as 0,
+ * and should be written as zero.
+ */
+#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
+
+#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
+#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
+
+/*
+ * X the exception cause indicator
+ * E the exception enable
+ * S the sticky/flag bit
+*/
+#define FPU_CSR_ALL_X 0x0003f000
+#define FPU_CSR_UNI_X 0x00020000
+#define FPU_CSR_INV_X 0x00010000
+#define FPU_CSR_DIV_X 0x00008000
+#define FPU_CSR_OVF_X 0x00004000
+#define FPU_CSR_UDF_X 0x00002000
+#define FPU_CSR_INE_X 0x00001000
+
+#define FPU_CSR_ALL_E 0x00000f80
+#define FPU_CSR_INV_E 0x00000800
+#define FPU_CSR_DIV_E 0x00000400
+#define FPU_CSR_OVF_E 0x00000200
+#define FPU_CSR_UDF_E 0x00000100
+#define FPU_CSR_INE_E 0x00000080
+
+#define FPU_CSR_ALL_S 0x0000007c
+#define FPU_CSR_INV_S 0x00000040
+#define FPU_CSR_DIV_S 0x00000020
+#define FPU_CSR_OVF_S 0x00000010
+#define FPU_CSR_UDF_S 0x00000008
+#define FPU_CSR_INE_S 0x00000004
+
+/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
+#define FPU_CSR_RM 0x00000003
+#define FPU_CSR_RN 0x0 /* nearest */
+#define FPU_CSR_RZ 0x1 /* towards zero */
+#define FPU_CSR_RU 0x2 /* towards +Infinity */
+#define FPU_CSR_RD 0x3 /* towards -Infinity */
+
#ifndef __ASSEMBLY__
/*
- * Functions to access the R10000 performance counters. These are basically
+ * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
+ */
+#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
+ defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
+#define get_isa16_mode(x) ((x) & 0x1)
+#define msk_isa16_mode(x) ((x) & ~0x1)
+#define set_isa16_mode(x) do { (x) |= 0x1; } while (0)
+#else
+#define get_isa16_mode(x) 0
+#define msk_isa16_mode(x) (x)
+#define set_isa16_mode(x) do { } while (0)
+#endif
+
+/*
+ * microMIPS instructions can be 16-bit or 32-bit in length. This
+ * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
+ */
+static inline int mm_insn_16bit(u16 insn)
+{
+ u16 opcode = (insn >> 10) & 0x7;
+
+ return (opcode >= 1 && opcode <= 3) ? 1 : 0;
+}
+
+/*
+ * TLB Invalidate Flush
+ */
+static inline void tlbinvf(void)
+{
+ __asm__ __volatile__(
+ ".set push\n\t"
+ ".set noreorder\n\t"
+ ".word 0x42000004\n\t" /* tlbinvf */
+ ".set pop");
+}
+
+
+/*
+ * Functions to access the R10000 performance counters. These are basically
* mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
* performance counter number encoded into bits 1 ... 5 of the instruction.
* Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
@@ -589,6 +891,7 @@ do { \
: "r" (val), "i" (counter)); \
} while (0)
+
/*
* Macros to access the system control coprocessor
*/
@@ -705,8 +1008,8 @@ do { \
".set\tmips64\n\t" \
"dmfc0\t%M0, " #source "\n\t" \
"dsll\t%L0, %M0, 32\n\t" \
- "dsrl\t%M0, %M0, 32\n\t" \
- "dsrl\t%L0, %L0, 32\n\t" \
+ "dsra\t%M0, %M0, 32\n\t" \
+ "dsra\t%L0, %L0, 32\n\t" \
".set\tmips0" \
: "=r" (__val)); \
else \
@@ -714,8 +1017,8 @@ do { \
".set\tmips64\n\t" \
"dmfc0\t%M0, " #source ", " #sel "\n\t" \
"dsll\t%L0, %M0, 32\n\t" \
- "dsrl\t%M0, %M0, 32\n\t" \
- "dsrl\t%L0, %L0, 32\n\t" \
+ "dsra\t%M0, %M0, 32\n\t" \
+ "dsra\t%L0, %L0, 32\n\t" \
".set\tmips0" \
: "=r" (__val)); \
local_irq_restore(__flags); \
@@ -751,15 +1054,57 @@ do { \
local_irq_restore(__flags); \
} while (0)
+#define __readx_32bit_c0_register(source) \
+({ \
+ unsigned int __res; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips32r2 \n" \
+ " .insn \n" \
+ " # mfhc0 $1, %1 \n" \
+ " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__res) \
+ : "i" (source)); \
+ __res; \
+})
+
+#define __writex_32bit_c0_register(register, value) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips32r2 \n" \
+ " move $1, %0 \n" \
+ " # mthc0 $1, %1 \n" \
+ " .insn \n" \
+ " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (value), "i" (register)); \
+})
+
#define read_c0_index() __read_32bit_c0_register($0, 0)
#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
+#define read_c0_random() __read_32bit_c0_register($1, 0)
+#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
+
#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
+#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
+#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
+
#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
+#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
+#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
+
#define read_c0_conf() __read_32bit_c0_register($3, 0)
#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
@@ -767,17 +1112,20 @@ do { \
#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
-#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
+#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
+#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
+#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
+
#define read_c0_wired() __read_32bit_c0_register($6, 0)
#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
#define read_c0_info() __read_32bit_c0_register($7, 0)
-#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
+#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
@@ -805,19 +1153,8 @@ do { \
#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
#define read_c0_status() __read_32bit_c0_register($12, 0)
-#ifdef CONFIG_MIPS_MT_SMTC
-#define write_c0_status(val) \
-do { \
- __write_32bit_c0_register($12, 0, val); \
- __ehb(); \
-} while (0)
-#else
-/*
- * Legacy non-SMTC code, which may be hazardous
- * but which might not support EHB
- */
+
#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
-#endif /* CONFIG_MIPS_MT_SMTC */
#define read_c0_cause() __read_32bit_c0_register($13, 0)
#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
@@ -827,6 +1164,8 @@ do { \
#define read_c0_prid() __read_32bit_c0_register($15, 0)
+#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
+
#define read_c0_config() __read_32bit_c0_register($16, 0)
#define read_c0_config1() __read_32bit_c0_register($16, 1)
#define read_c0_config2() __read_32bit_c0_register($16, 2)
@@ -844,8 +1183,15 @@ do { \
#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
+#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
+#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
+#define read_c0_maar() __read_ulong_c0_register($17, 1)
+#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
+#define read_c0_maari() __read_32bit_c0_register($17, 2)
+#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
+
/*
- * The WatchLo register. There may be upto 8 of them.
+ * The WatchLo register. There may be up to 8 of them.
*/
#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
@@ -865,7 +1211,7 @@ do { \
#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
/*
- * The WatchHi register. There may be upto 8 of them.
+ * The WatchHi register. There may be up to 8 of them.
*/
#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
@@ -892,15 +1238,15 @@ do { \
#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
#define read_c0_framemask() __read_32bit_c0_register($21, 0)
-#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
-
-/* RM9000 PerfControl performance counter control register */
-#define read_c0_perfcontrol() __read_32bit_c0_register($22, 0)
-#define write_c0_perfcontrol(val) __write_32bit_c0_register($22, 0, val)
+#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
#define read_c0_diag() __read_32bit_c0_register($22, 0)
#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
+/* R10K CP0 Branch Diagnostic register is 64bits wide */
+#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
+#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
+
#define read_c0_diag1() __read_32bit_c0_register($22, 1)
#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
@@ -926,36 +1272,40 @@ do { \
* MIPS32 / MIPS64 performance counters
*/
#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
-#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
+#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
-#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
+#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
+#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
+#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
-#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
+#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
-#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
+#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
+#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
+#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
-#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
+#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
-#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
+#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
+#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
+#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
-#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
+#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
-#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
-
-/* RM9000 PerfCount performance counter register */
-#define read_c0_perfcount() __read_64bit_c0_register($25, 0)
-#define write_c0_perfcount(val) __write_64bit_c0_register($25, 0, val)
+#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
+#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
+#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
#define read_c0_ecc() __read_32bit_c0_register($26, 0)
#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
-#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
+#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
-#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
+#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
#define read_c0_taglo() __read_32bit_c0_register($28, 0)
#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
@@ -963,6 +1313,12 @@ do { \
#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
+#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
+#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
+
+#define read_c0_staglo() __read_32bit_c0_register($28, 4)
+#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
+
#define read_c0_taghi() __read_32bit_c0_register($29, 0)
#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
@@ -985,271 +1341,524 @@ do { \
#define read_c0_ebase() __read_32bit_c0_register($15, 1)
#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
+#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
+#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
+
+/* MIPSR3 */
+#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
+#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
+
+#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
+#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
+
+#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
+#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
+
+/* Hardware Page Table Walker */
+#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
+#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
+
+#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
+#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
+
+#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
+#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
+
+#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
+#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
+
+/* Cavium OCTEON (cnMIPS) */
+#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
+#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
+
+#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
+#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
+
+#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
+#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
/*
- * Macros to access the floating point coprocessor control registers
+ * The cacheerr registers are not standardized. On OCTEON, they are
+ * 64 bits wide.
*/
-#define read_32bit_cp1_register(source) \
-({ int __res; \
- __asm__ __volatile__( \
- ".set\tpush\n\t" \
- ".set\treorder\n\t" \
- "cfc1\t%0,"STR(source)"\n\t" \
- ".set\tpop" \
- : "=r" (__res)); \
- __res;})
+#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
+#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
-#define rddsp(mask) \
+#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
+#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
+
+/* BMIPS3300 */
+#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
+#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
+
+/* BMIPS43xx */
+#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
+#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
+#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
+#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
+#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
+
+#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
+#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
+
+/* BMIPS5000 */
+#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
+#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
+#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
+#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
+#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
+
+/*
+ * Macros to access the floating point coprocessor control registers
+ */
+#define _read_32bit_cp1_register(source, gas_hardfloat) \
({ \
unsigned int __res; \
\
__asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # rddsp $1, %x1 \n" \
- " .word 0x7c000cb8 | (%x1 << 16) \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__res) \
- : "i" (mask)); \
+ " .set push \n" \
+ " .set reorder \n" \
+ " # gas fails to assemble cfc1 for some archs, \n" \
+ " # like Octeon. \n" \
+ " .set mips1 \n" \
+ " "STR(gas_hardfloat)" \n" \
+ " cfc1 %0,"STR(source)" \n" \
+ " .set pop \n" \
+ : "=r" (__res)); \
__res; \
})
-#define wrdsp(val, mask) \
-do { \
+#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
+({ \
__asm__ __volatile__( \
" .set push \n" \
- " .set noat \n" \
- " move $1, %0 \n" \
- " # wrdsp $1, %x1 \n" \
- " .word 0x7c2004f8 | (%x1 << 11) \n" \
+ " .set reorder \n" \
+ " "STR(gas_hardfloat)" \n" \
+ " ctc1 %0,"STR(dest)" \n" \
" .set pop \n" \
+ : : "r" (val)); \
+})
+
+#ifdef GAS_HAS_SET_HARDFLOAT
+#define read_32bit_cp1_register(source) \
+ _read_32bit_cp1_register(source, .set hardfloat)
+#define write_32bit_cp1_register(dest, val) \
+ _write_32bit_cp1_register(dest, val, .set hardfloat)
+#else
+#define read_32bit_cp1_register(source) \
+ _read_32bit_cp1_register(source, )
+#define write_32bit_cp1_register(dest, val) \
+ _write_32bit_cp1_register(dest, val, )
+#endif
+
+#ifdef HAVE_AS_DSP
+#define rddsp(mask) \
+({ \
+ unsigned int __dspctl; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " rddsp %0, %x1 \n" \
+ " .set pop \n" \
+ : "=r" (__dspctl) \
+ : "i" (mask)); \
+ __dspctl; \
+})
+
+#define wrdsp(val, mask) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " wrdsp %0, %x1 \n" \
+ " .set pop \n" \
: \
: "r" (val), "i" (mask)); \
-} while (0)
+})
+
+#define mflo0() \
+({ \
+ long mflo0; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac0 \n" \
+ " .set pop \n" \
+ : "=r" (mflo0)); \
+ mflo0; \
+})
+
+#define mflo1() \
+({ \
+ long mflo1; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac1 \n" \
+ " .set pop \n" \
+ : "=r" (mflo1)); \
+ mflo1; \
+})
+
+#define mflo2() \
+({ \
+ long mflo2; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac2 \n" \
+ " .set pop \n" \
+ : "=r" (mflo2)); \
+ mflo2; \
+})
+
+#define mflo3() \
+({ \
+ long mflo3; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac3 \n" \
+ " .set pop \n" \
+ : "=r" (mflo3)); \
+ mflo3; \
+})
#define mfhi0() \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mfhi %0, $ac0 \n" \
- " .word 0x00000810 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ long mfhi0; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac0 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi0)); \
+ mfhi0; \
})
#define mfhi1() \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mfhi %0, $ac1 \n" \
- " .word 0x00200810 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ long mfhi1; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac1 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi1)); \
+ mfhi1; \
})
#define mfhi2() \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mfhi %0, $ac2 \n" \
- " .word 0x00400810 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ long mfhi2; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac2 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi2)); \
+ mfhi2; \
})
#define mfhi3() \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mfhi %0, $ac3 \n" \
- " .word 0x00600810 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ long mfhi3; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac3 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi3)); \
+ mfhi3; \
})
-#define mflo0() \
+
+#define mtlo0(x) \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mflo %0, $ac0 \n" \
- " .word 0x00000812 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac0 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
})
-#define mflo1() \
+#define mtlo1(x) \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mflo %0, $ac1 \n" \
- " .word 0x00200812 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
})
-#define mflo2() \
+#define mtlo2(x) \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mflo %0, $ac2 \n" \
- " .word 0x00400812 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac2 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
})
-#define mflo3() \
+#define mtlo3(x) \
({ \
- unsigned long __treg; \
- \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " # mflo %0, $ac3 \n" \
- " .word 0x00600812 \n" \
- " move %0, $1 \n" \
- " .set pop \n" \
- : "=r" (__treg)); \
- __treg; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac3 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
})
#define mthi0(x) \
-do { \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " move $1, %0 \n" \
- " # mthi $1, $ac0 \n" \
- " .word 0x00200011 \n" \
- " .set pop \n" \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac0 \n" \
+ " .set pop \n" \
: \
: "r" (x)); \
-} while (0)
+})
#define mthi1(x) \
-do { \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi2(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac2 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi3(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac3 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#else
+
+#ifdef CONFIG_CPU_MICROMIPS
+#define rddsp(mask) \
+({ \
+ unsigned int __res; \
+ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " move $1, %0 \n" \
- " # mthi $1, $ac1 \n" \
- " .word 0x00200811 \n" \
+ " # rddsp $1, %x1 \n" \
+ " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
+ " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
+ " move %0, $1 \n" \
" .set pop \n" \
- : \
- : "r" (x)); \
-} while (0)
+ : "=r" (__res) \
+ : "i" (mask)); \
+ __res; \
+})
-#define mthi2(x) \
-do { \
+#define wrdsp(val, mask) \
+({ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
" move $1, %0 \n" \
- " # mthi $1, $ac2 \n" \
- " .word 0x00201011 \n" \
+ " # wrdsp $1, %x1 \n" \
+ " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
+ " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
" .set pop \n" \
: \
- : "r" (x)); \
-} while (0)
+ : "r" (val), "i" (mask)); \
+})
-#define mthi3(x) \
-do { \
+#define _umips_dsp_mfxxx(ins) \
+({ \
+ unsigned long __treg; \
+ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " move $1, %0 \n" \
- " # mthi $1, $ac3 \n" \
- " .word 0x00201811 \n" \
+ " .hword 0x0001 \n" \
+ " .hword %x1 \n" \
+ " move %0, $1 \n" \
" .set pop \n" \
- : \
- : "r" (x)); \
-} while (0)
+ : "=r" (__treg) \
+ : "i" (ins)); \
+ __treg; \
+})
-#define mtlo0(x) \
-do { \
+#define _umips_dsp_mtxxx(val, ins) \
+({ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
" move $1, %0 \n" \
- " # mtlo $1, $ac0 \n" \
- " .word 0x00200013 \n" \
+ " .hword 0x0001 \n" \
+ " .hword %x1 \n" \
" .set pop \n" \
: \
- : "r" (x)); \
-} while (0)
+ : "r" (val), "i" (ins)); \
+})
-#define mtlo1(x) \
-do { \
+#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
+#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
+
+#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
+#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
+
+#define mflo0() _umips_dsp_mflo(0)
+#define mflo1() _umips_dsp_mflo(1)
+#define mflo2() _umips_dsp_mflo(2)
+#define mflo3() _umips_dsp_mflo(3)
+
+#define mfhi0() _umips_dsp_mfhi(0)
+#define mfhi1() _umips_dsp_mfhi(1)
+#define mfhi2() _umips_dsp_mfhi(2)
+#define mfhi3() _umips_dsp_mfhi(3)
+
+#define mtlo0(x) _umips_dsp_mtlo(x, 0)
+#define mtlo1(x) _umips_dsp_mtlo(x, 1)
+#define mtlo2(x) _umips_dsp_mtlo(x, 2)
+#define mtlo3(x) _umips_dsp_mtlo(x, 3)
+
+#define mthi0(x) _umips_dsp_mthi(x, 0)
+#define mthi1(x) _umips_dsp_mthi(x, 1)
+#define mthi2(x) _umips_dsp_mthi(x, 2)
+#define mthi3(x) _umips_dsp_mthi(x, 3)
+
+#else /* !CONFIG_CPU_MICROMIPS */
+#define rddsp(mask) \
+({ \
+ unsigned int __res; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " # rddsp $1, %x1 \n" \
+ " .word 0x7c000cb8 | (%x1 << 16) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__res) \
+ : "i" (mask)); \
+ __res; \
+})
+
+#define wrdsp(val, mask) \
+({ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
" move $1, %0 \n" \
- " # mtlo $1, $ac1 \n" \
- " .word 0x00200813 \n" \
+ " # wrdsp $1, %x1 \n" \
+ " .word 0x7c2004f8 | (%x1 << 11) \n" \
" .set pop \n" \
: \
- : "r" (x)); \
-} while (0)
+ : "r" (val), "i" (mask)); \
+})
-#define mtlo2(x) \
-do { \
+#define _dsp_mfxxx(ins) \
+({ \
+ unsigned long __treg; \
+ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
- " move $1, %0 \n" \
- " # mtlo $1, $ac2 \n" \
- " .word 0x00201013 \n" \
+ " .word (0x00000810 | %1) \n" \
+ " move %0, $1 \n" \
" .set pop \n" \
- : \
- : "r" (x)); \
-} while (0)
+ : "=r" (__treg) \
+ : "i" (ins)); \
+ __treg; \
+})
-#define mtlo3(x) \
-do { \
+#define _dsp_mtxxx(val, ins) \
+({ \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
" move $1, %0 \n" \
- " # mtlo $1, $ac3 \n" \
- " .word 0x00201813 \n" \
+ " .word (0x00200011 | %1) \n" \
" .set pop \n" \
: \
- : "r" (x)); \
-} while (0)
+ : "r" (val), "i" (ins)); \
+})
+
+#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
+#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
+
+#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
+#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
+
+#define mflo0() _dsp_mflo(0)
+#define mflo1() _dsp_mflo(1)
+#define mflo2() _dsp_mflo(2)
+#define mflo3() _dsp_mflo(3)
+
+#define mfhi0() _dsp_mfhi(0)
+#define mfhi1() _dsp_mfhi(1)
+#define mfhi2() _dsp_mfhi(2)
+#define mfhi3() _dsp_mfhi(3)
+
+#define mtlo0(x) _dsp_mtlo(x, 0)
+#define mtlo1(x) _dsp_mtlo(x, 1)
+#define mtlo2(x) _dsp_mtlo(x, 2)
+#define mtlo3(x) _dsp_mtlo(x, 3)
+
+#define mthi0(x) _dsp_mthi(x, 0)
+#define mthi1(x) _dsp_mthi(x, 1)
+#define mthi2(x) _dsp_mthi(x, 2)
+#define mthi3(x) _dsp_mthi(x, 3)
+
+#endif /* CONFIG_CPU_MICROMIPS */
+#endif
/*
* TLB operations.
@@ -1324,11 +1933,11 @@ static inline void tlb_write_random(void)
static inline unsigned int \
set_c0_##name(unsigned int set) \
{ \
- unsigned int res; \
+ unsigned int res, new; \
\
res = read_c0_##name(); \
- res |= set; \
- write_c0_##name(res); \
+ new = res | set; \
+ write_c0_##name(new); \
\
return res; \
} \
@@ -1336,24 +1945,24 @@ set_c0_##name(unsigned int set) \
static inline unsigned int \
clear_c0_##name(unsigned int clear) \
{ \
- unsigned int res; \
+ unsigned int res, new; \
\
res = read_c0_##name(); \
- res &= ~clear; \
- write_c0_##name(res); \
+ new = res & ~clear; \
+ write_c0_##name(new); \
\
return res; \
} \
\
static inline unsigned int \
-change_c0_##name(unsigned int change, unsigned int new) \
+change_c0_##name(unsigned int change, unsigned int val) \
{ \
- unsigned int res; \
+ unsigned int res, new; \
\
res = read_c0_##name(); \
- res &= ~change; \
- res |= (new & change); \
- write_c0_##name(res); \
+ new = res & ~change; \
+ new |= (val & change); \
+ write_c0_##name(new); \
\
return res; \
}
@@ -1361,9 +1970,27 @@ change_c0_##name(unsigned int change, unsigned int new) \
__BUILD_SET_C0(status)
__BUILD_SET_C0(cause)
__BUILD_SET_C0(config)
+__BUILD_SET_C0(config5)
__BUILD_SET_C0(intcontrol)
__BUILD_SET_C0(intctl)
__BUILD_SET_C0(srsmap)
+__BUILD_SET_C0(pagegrain)
+__BUILD_SET_C0(brcm_config_0)
+__BUILD_SET_C0(brcm_bus_pll)
+__BUILD_SET_C0(brcm_reset)
+__BUILD_SET_C0(brcm_cmt_intr)
+__BUILD_SET_C0(brcm_cmt_ctrl)
+__BUILD_SET_C0(brcm_config)
+__BUILD_SET_C0(brcm_mode)
+
+/*
+ * Return low 10 bits of ebase.
+ * Note that under KVM (MIPSVZ) this returns vcpu id.
+ */
+static inline unsigned int get_ebase_cpunum(void)
+{
+ return read_c0_ebase() & 0x3ff;
+}
#endif /* !__ASSEMBLY__ */
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
new file mode 100644
index 0000000000000000000000000000000000000000..9e5fa98d1c869075d0501a53e788357217f34dac
--- /dev/null
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 1994 - 2002 by Ralf Baechle
+ * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
+ * Copyright (C) 2002 Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef _ASM_PGTABLE_BITS_H
+#define _ASM_PGTABLE_BITS_H
+
+
+/*
+ * Note that we shift the lower 32bits of each EntryLo[01] entry
+ * 6 bits to the left. That way we can convert the PFN into the
+ * physical address by a single 'and' operation and gain 6 additional
+ * bits for storing information which isn't present in a normal
+ * MIPS page table.
+ *
+ * Similar to the Alpha port, we need to keep track of the ref
+ * and mod bits in software. We have a software "yeah you can read
+ * from this page" bit, and a hardware one which actually lets the
+ * process read from the page. On the same token we have a software
+ * writable bit and the real hardware one which actually lets the
+ * process write to the page, this keeps a mod bit via the hardware
+ * dirty bit.
+ *
+ * Certain revisions of the R4000 and R5000 have a bug where if a
+ * certain sequence occurs in the last 3 instructions of an executable
+ * page, and the following page is not mapped, the cpu can do
+ * unpredictable things. The code (when it is written) to deal with
+ * this problem will be in the update_mmu_cache() code for the r4k.
+ */
+#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+
+/*
+ * The following bits are implemented by the TLB hardware
+ */
+#define _PAGE_NO_EXEC_SHIFT 0
+#define _PAGE_NO_EXEC (1 << _PAGE_NO_EXEC_SHIFT)
+#define _PAGE_NO_READ_SHIFT (_PAGE_NO_EXEC_SHIFT + 1)
+#define _PAGE_NO_READ (1 << _PAGE_NO_READ_SHIFT)
+#define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1)
+#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
+#define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT (_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY (1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_SHIFT (_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_MASK (7 << _CACHE_SHIFT)
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT (24)
+#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
+#define _PAGE_READ_SHIFT (_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ (1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT (_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE (1 << _PAGE_WRITE_SHIFT)
+#define _PAGE_ACCESSED_SHIFT (_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED (1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT (_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED (1 << _PAGE_MODIFIED_SHIFT)
+
+#define _PFN_SHIFT (PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+
+/*
+ * Bits for extended EntryLo0/EntryLo1 registers
+ */
+#define _PFNX_MASK 0xffffff
+
+#elif defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT (0)
+#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
+#define _PAGE_READ_SHIFT (_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ (1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT (_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE (1 << _PAGE_WRITE_SHIFT)
+#define _PAGE_ACCESSED_SHIFT (_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED (1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT (_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED (1 << _PAGE_MODIFIED_SHIFT)
+
+/*
+ * The following bits are implemented by the TLB hardware
+ */
+#define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 4)
+#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
+#define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT (_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY (1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_UNCACHED_SHIFT (_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_UNCACHED (1 << _CACHE_UNCACHED_SHIFT)
+#define _CACHE_MASK _CACHE_UNCACHED
+
+#define _PFN_SHIFT PAGE_SHIFT
+
+#else
+/*
+ * Below are the "Normal" R4K cases
+ */
+
+/*
+ * The following bits are implemented in software
+ */
+#define _PAGE_PRESENT_SHIFT 0
+#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
+/* R2 or later cores check for RI/XI support to determine _PAGE_READ */
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#define _PAGE_WRITE_SHIFT (_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_WRITE (1 << _PAGE_WRITE_SHIFT)
+#else
+#define _PAGE_READ_SHIFT (_PAGE_PRESENT_SHIFT + 1)
+#define _PAGE_READ (1 << _PAGE_READ_SHIFT)
+#define _PAGE_WRITE_SHIFT (_PAGE_READ_SHIFT + 1)
+#define _PAGE_WRITE (1 << _PAGE_WRITE_SHIFT)
+#endif
+#define _PAGE_ACCESSED_SHIFT (_PAGE_WRITE_SHIFT + 1)
+#define _PAGE_ACCESSED (1 << _PAGE_ACCESSED_SHIFT)
+#define _PAGE_MODIFIED_SHIFT (_PAGE_ACCESSED_SHIFT + 1)
+#define _PAGE_MODIFIED (1 << _PAGE_MODIFIED_SHIFT)
+
+#if defined(CONFIG_64BIT) && defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
+/* Huge TLB page */
+#define _PAGE_HUGE_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
+#define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT)
+#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1)
+#define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT)
+#endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
+
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+/* XI - page cannot be executed */
+#ifdef _PAGE_SPLITTING_SHIFT
+#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
+#define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
+#endif
+#define _PAGE_NO_EXEC (cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
+
+/* RI - page cannot be read */
+#define _PAGE_READ_SHIFT (_PAGE_NO_EXEC_SHIFT + 1)
+#define _PAGE_READ (cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT))
+#define _PAGE_NO_READ_SHIFT _PAGE_READ_SHIFT
+#define _PAGE_NO_READ (cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0)
+#endif /* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */
+
+#if defined(_PAGE_NO_READ_SHIFT)
+#define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1)
+#elif defined(_PAGE_SPLITTING_SHIFT)
+#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
+#define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
+#endif
+#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
+
+#define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1)
+#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
+#define _PAGE_DIRTY_SHIFT (_PAGE_VALID_SHIFT + 1)
+#define _PAGE_DIRTY (1 << _PAGE_DIRTY_SHIFT)
+#define _CACHE_SHIFT (_PAGE_DIRTY_SHIFT + 1)
+#define _CACHE_MASK (7 << _CACHE_SHIFT)
+
+#define _PFN_SHIFT (PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
+
+#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT && defined(CONFIG_CPU_MIPS32) */
+
+#ifndef _PAGE_NO_EXEC
+#define _PAGE_NO_EXEC 0
+#endif
+#ifndef _PAGE_NO_READ
+#define _PAGE_NO_READ 0
+#endif
+
+#define _PAGE_SILENT_READ _PAGE_VALID
+#define _PAGE_SILENT_WRITE _PAGE_DIRTY
+
+#define _PFN_MASK (~((1 << (_PFN_SHIFT)) - 1))
+
+/*
+ * The final layouts of the PTE bits are:
+ *
+ * 64-bit, R1 or earlier: CCC D V G [S H] M A W R P
+ * 32-bit, R1 or earler: CCC D V G M A W R P
+ * 64-bit, R2 or later: CCC D V G RI/R XI [S H] M A W P
+ * 32-bit, R2 or later: CCC D V G RI/R XI M A W P
+ */
+
+
+#ifndef __ASSEMBLY__
+/*
+ * pte_to_entrylo converts a page table entry (PTE) into a Mips
+ * entrylo0/1 value.
+ */
+static inline uint64_t pte_to_entrylo(unsigned long pte_val)
+{
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+ if (cpu_has_rixi) {
+ int sa;
+#ifdef CONFIG_32BIT
+ sa = 31 - _PAGE_NO_READ_SHIFT;
+#else
+ sa = 63 - _PAGE_NO_READ_SHIFT;
+#endif
+ /*
+ * C has no way to express that this is a DSRL
+ * _PAGE_NO_EXEC_SHIFT followed by a ROTR 2. Luckily
+ * in the fast path this is done in assembly
+ */
+ return (pte_val >> _PAGE_GLOBAL_SHIFT) |
+ ((pte_val & (_PAGE_NO_EXEC | _PAGE_NO_READ)) << sa);
+ }
+#endif
+
+ return pte_val >> _PAGE_GLOBAL_SHIFT;
+}
+#endif
+
+/*
+ * Cache attributes
+ */
+#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+
+#define _CACHE_CACHABLE_NONCOHERENT 0
+#define _CACHE_UNCACHED_ACCELERATED _CACHE_UNCACHED
+
+#elif defined(CONFIG_CPU_SB1)
+
+/* No penalty for being coherent on the SB1, so just
+ use it for "noncoherent" spaces, too. Shouldn't hurt. */
+
+#define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT)
+
+#elif defined(CONFIG_CPU_LOONGSON3)
+
+/* Using COHERENT flag for NONCOHERENT doesn't hurt. */
+
+#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */
+#define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */
+
+#elif defined(CONFIG_MACH_INGENIC)
+
+/* Ingenic uses the WA bit to achieve write-combine memory writes */
+#define _CACHE_UNCACHED_ACCELERATED (1<<_CACHE_SHIFT)
+
+#endif
+
+#ifndef _CACHE_CACHABLE_NO_WA
+#define _CACHE_CACHABLE_NO_WA (0<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_WA
+#define _CACHE_CACHABLE_WA (1<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_UNCACHED
+#define _CACHE_UNCACHED (2<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_NONCOHERENT
+#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_CE
+#define _CACHE_CACHABLE_CE (4<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_COW
+#define _CACHE_CACHABLE_COW (5<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_CACHABLE_CUW
+#define _CACHE_CACHABLE_CUW (6<<_CACHE_SHIFT)
+#endif
+#ifndef _CACHE_UNCACHED_ACCELERATED
+#define _CACHE_UNCACHED_ACCELERATED (7<<_CACHE_SHIFT)
+#endif
+
+#define __READABLE (_PAGE_SILENT_READ | _PAGE_READ | _PAGE_ACCESSED)
+#define __WRITEABLE (_PAGE_SILENT_WRITE | _PAGE_WRITE | _PAGE_MODIFIED)
+
+#define _PAGE_CHG_MASK (_PAGE_ACCESSED | _PAGE_MODIFIED | \
+ _PFN_MASK | _CACHE_MASK)
+
+#endif /* _ASM_PGTABLE_BITS_H */
diff --git a/arch/mips/include/asm/posix_types.h b/arch/mips/include/asm/posix_types.h
index 4deac5207aaeb2e07028852ac83e7428c0259c27..90c0affdee369dacb865508b87d4a60563a8bfc7 100644
--- a/arch/mips/include/asm/posix_types.h
+++ b/arch/mips/include/asm/posix_types.h
@@ -1,10 +1,7 @@
-/* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
+/*
* Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_POSIX_TYPES_H
#define _ASM_POSIX_TYPES_H
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index ba7f5381a3aa586213a7ce15d793a4964e1b3230..02a3b167f537bd9cc454737d9a40a37a86a66685 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -1,12 +1,10 @@
/*
- * 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 Waldorf GMBH
* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
* Copyright (C) 1996 Paul M. Antoine
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_PROCESSOR_H
#define _ASM_PROCESSOR_H
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 5659c0c873aebeb963f724cf5929127264842d0c..da051f6e10b85377d604161ce0fbe25f4336d192 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -1,35 +1,27 @@
/*
- * 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, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_PTRACE_H
#define _ASM_PTRACE_H
-/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
-#define FPR_BASE 32
-#define PC 64
-#define CAUSE 65
-#define BADVADDR 66
-#define MMHI 67
-#define MMLO 68
-#define FPC_CSR 69
-#define FPC_EIR 70
-#define DSP_BASE 71 /* 3 more hi / lo register pairs */
-#define DSP_CONTROL 77
-#define ACX 78
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/isadep.h>
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. As usual the registers k0/k1 aren't being saved.
+ *
+ * If you add a register here, also add it to regoffset_table[] in
+ * arch/mips/kernel/ptrace.c.
*/
struct pt_regs {
#ifdef CONFIG_32BIT
/* Pad bytes for argument save space on the stack. */
- unsigned long pad0[6];
+ unsigned long pad0[8];
#endif
/* Saved main processor registers. */
@@ -45,34 +37,50 @@ struct pt_regs {
unsigned long cp0_badvaddr;
unsigned long cp0_cause;
unsigned long cp0_epc;
-#ifdef CONFIG_MIPS_MT_SMTC
- unsigned long cp0_tcstatus;
-#endif /* CONFIG_MIPS_MT_SMTC */
-} __attribute__ ((aligned (8)));
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+ unsigned long long mpl[6]; /* MTM{0-5} */
+ unsigned long long mtp[6]; /* MTP{0-5} */
+#endif
+ unsigned long __last[0];
+} __aligned(8);
-/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
-#define PTRACE_GETREGS 12
-#define PTRACE_SETREGS 13
-#define PTRACE_GETFPREGS 14
-#define PTRACE_SETFPREGS 15
-/* #define PTRACE_GETFPXREGS 18 */
-/* #define PTRACE_SETFPXREGS 19 */
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[31];
+}
-#define PTRACE_OLDSETOPTIONS 21
+/*
+ * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
+ * sense on MIPS. We rather want an error if they get invoked.
+ */
-#define PTRACE_GET_THREAD_AREA 25
-#define PTRACE_SET_THREAD_AREA 26
+static inline void instruction_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->cp0_epc = val;
+}
-/* Calls to trace a 64bit program from a 32bit program. */
-#define PTRACE_PEEKTEXT_3264 0xc0
-#define PTRACE_PEEKDATA_3264 0xc1
-#define PTRACE_POKETEXT_3264 0xc2
-#define PTRACE_POKEDATA_3264 0xc3
-#define PTRACE_GET_THREAD_AREA_3264 0xc4
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
-#ifdef __KERNEL__
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs: pt_regs from which register value is gotten.
+ * @offset: offset number of the register.
+ *
+ * regs_get_register returns the value of a register. The @offset is the
+ * offset of the register in struct pt_regs address which specified by @regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+ unsigned int offset)
+{
+ if (unlikely(offset > MAX_REG_OFFSET))
+ return 0;
-#include <asm/isadep.h>
+ return *(unsigned long *)((unsigned long)regs + offset);
+}
/*
* Does the process account for user or for system time?
@@ -82,6 +90,17 @@ struct pt_regs {
#define instruction_pointer(regs) ((regs)->cp0_epc)
#define profile_pc(regs) instruction_pointer(regs)
-#endif
+/* Helpers for working with the user stack pointer */
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[29];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->regs[29] = val;
+}
#endif /* _ASM_PTRACE_H */
diff --git a/arch/mips/include/asm/reboot.h b/arch/mips/include/asm/reboot.h
index 978d20681634948c11330c402186dddf98e2cab2..2a6b7244e7ed0f551f0ee0a421f3278e94d4770f 100644
--- a/arch/mips/include/asm/reboot.h
+++ b/arch/mips/include/asm/reboot.h
@@ -1,10 +1,8 @@
/*
- * 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) 1997, 1999, 2001, 06 by Ralf Baechle
* Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_REBOOT_H
#define _ASM_REBOOT_H
diff --git a/arch/mips/include/asm/reg.h b/arch/mips/include/asm/reg.h
index fc6bc0c169eb2207e38e1237f0a74fcb768d3a9e..af6fbb469e7cb772d0457b46cd84b27e334d7878 100644
--- a/arch/mips/include/asm/reg.h
+++ b/arch/mips/include/asm/reg.h
@@ -2,12 +2,10 @@
* Various register offset definitions for debuggers, core file
* examiners and whatnot.
*
- * 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) 1995, 1999 by Ralf Baechle
* Copyright (C) 1995, 1999 Silicon Graphics
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_MIPS_REG_H
#define __ASM_MIPS_REG_H
diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h
index 2e65cc3c438f4274a8f4070373b8247b45f37d02..f1efc45791583160c044b9044af4986fbbc6315a 100644
--- a/arch/mips/include/asm/regdef.h
+++ b/arch/mips/include/asm/regdef.h
@@ -1,11 +1,11 @@
/*
- * 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) 1985 MIPS Computer Systems, Inc.
* Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
* Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2011 Wind River Systems,
+ * written by Ralf Baechle <ralf@linux-mips.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_REGDEF_H
#define _ASM_REGDEF_H
@@ -30,9 +30,13 @@
#define t2 $10
#define t3 $11
#define t4 $12
+#define ta0 $12
#define t5 $13
+#define ta1 $13
#define t6 $14
+#define ta2 $14
#define t7 $15
+#define ta3 $15
#define s0 $16 /* callee saved */
#define s1 $17
#define s2 $18
diff --git a/arch/mips/include/asm/sgidefs.h b/arch/mips/include/asm/sgidefs.h
index 67f265895836e56039c80a1ca393e0ecff77842f..2a0388652adfac5c29d110df4d66e715130b5b8d 100644
--- a/arch/mips/include/asm/sgidefs.h
+++ b/arch/mips/include/asm/sgidefs.h
@@ -1,11 +1,9 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
* Copyright (C) 1996, 1999, 2001 Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ASM_SGIDEFS_H
#define __ASM_SGIDEFS_H
diff --git a/arch/mips/include/asm/string.h b/arch/mips/include/asm/string.h
index 579a591e629e890239a33916c1d0a77804548fd9..1fbe899aaa82c90df1a51d7e2f452cafba4f50d8 100644
--- a/arch/mips/include/asm/string.h
+++ b/arch/mips/include/asm/string.h
@@ -1,11 +1,9 @@
/*
- * 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, 95, 96, 97, 98, 2000, 01 Ralf Baechle
* Copyright (c) 2000 by Silicon Graphics, Inc.
* Copyright (c) 2001 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_STRING_H
#define _ASM_STRING_H
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index d56f73b8b8e108f0e1ccf322905089fa9f4eed0f..e6435cce2944247b032e6f16f090fc4b7e24b482 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -1,8 +1,4 @@
/*
- * 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 by Ralf Baechle
* Copyright (C) 1996 by Paul M. Antoine
* Copyright (C) 1994 - 1999 by Ralf Baechle
@@ -12,6 +8,8 @@
*
* Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000 MIPS Technologies, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_SYSTEM_H
#define _ASM_SYSTEM_H
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index aebafdbba1be9cfe91d43bf2f21c0c4e1c93e224..627440dc24c30329c3f3f9c6defbcc40c864b5f7 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -1,10 +1,8 @@
/*
- * 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, 1995, 1996, 1999 by Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_TYPES_H
#define _ASM_TYPES_H
diff --git a/arch/mips/include/asm/unaligned.h b/arch/mips/include/asm/unaligned.h
index c25a8462c72e104cb898af9b4f3258a414f0ce9b..eebe06a9c91dca77a60fd3e39f033776bed4ac50 100644
--- a/arch/mips/include/asm/unaligned.h
+++ b/arch/mips/include/asm/unaligned.h
@@ -1,9 +1,7 @@
/*
- * 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) 2007 Ralf Baechle (ralf@linux-mips.org)
+ *
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_MIPS_UNALIGNED_H
#define _ASM_MIPS_UNALIGNED_H
diff --git a/arch/mips/lib/cache.c b/arch/mips/lib/cache.c
index e245614d1688e22cf325e2f8eaa4c79ca39a0fa3..bf8ff598acd7f43ea250be3b6ff5d13b6cf922a4 100644
--- a/arch/mips/lib/cache.c
+++ b/arch/mips/lib/cache.c
@@ -27,7 +27,7 @@ static inline unsigned long icache_line_size(void)
{
unsigned long conf1, il;
conf1 = read_c0_config1();
- il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHIFT;
+ il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHF;
if (!il)
return 0;
return 2 << il;
@@ -37,7 +37,7 @@ static inline unsigned long dcache_line_size(void)
{
unsigned long conf1, dl;
conf1 = read_c0_config1();
- dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHIFT;
+ dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHF;
if (!dl)
return 0;
return 2 << dl;
diff --git a/arch/mips/lib/cache_init.S b/arch/mips/lib/cache_init.S
index 137d7283ffefb1f81a60b81fbfb5c559f798787e..14cc2c49fda23c30e7d9fdb2d2f2bf4ad88941ef 100644
--- a/arch/mips/lib/cache_init.S
+++ b/arch/mips/lib/cache_init.S
@@ -54,24 +54,24 @@
mfc0 $1, CP0_CONFIG, 1
/* detect line size */
- srl \line_sz, $1, \off + MIPS_CONF1_DL_SHIFT - MIPS_CONF1_DA_SHIFT
- andi \line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHIFT)
+ srl \line_sz, $1, \off + MIPS_CONF1_DL_SHF - MIPS_CONF1_DA_SHF
+ andi \line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHF)
move \sz, zero
beqz \line_sz, 10f
li \sz, 2
sllv \line_sz, \sz, \line_sz
/* detect associativity */
- srl \sz, $1, \off + MIPS_CONF1_DA_SHIFT - MIPS_CONF1_DA_SHIFT
- andi \sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHIFT)
+ srl \sz, $1, \off + MIPS_CONF1_DA_SHF - MIPS_CONF1_DA_SHF
+ andi \sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHF)
addi \sz, \sz, 1
/* sz *= line_sz */
mul \sz, \sz, \line_sz
/* detect log32(sets) */
- srl $1, $1, \off + MIPS_CONF1_DS_SHIFT - MIPS_CONF1_DA_SHIFT
- andi $1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHIFT)
+ srl $1, $1, \off + MIPS_CONF1_DS_SHF - MIPS_CONF1_DA_SHF
+ andi $1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHF)
addiu $1, $1, 1
andi $1, $1, 0x7
@@ -103,14 +103,14 @@ LEAF(mips_cache_reset)
li t2, CONFIG_SYS_ICACHE_SIZE
li t8, CONFIG_SYS_CACHELINE_SIZE
#else
- l1_info t2, t8, MIPS_CONF1_IA_SHIFT
+ l1_info t2, t8, MIPS_CONF1_IA_SHF
#endif
#ifdef CONFIG_SYS_DCACHE_SIZE
li t3, CONFIG_SYS_DCACHE_SIZE
li t9, CONFIG_SYS_CACHELINE_SIZE
#else
- l1_info t3, t9, MIPS_CONF1_DA_SHIFT
+ l1_info t3, t9, MIPS_CONF1_DA_SHF
#endif
#ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
diff --git a/arch/mips/mach-au1x00/au1x00_eth.c b/arch/mips/mach-au1x00/au1x00_eth.c
index 3f9f91eb0408e9426c5a82492570a55812d75e10..921686081ff2c5b80aba9b5b35f7db0e92df7e1c 100644
--- a/arch/mips/mach-au1x00/au1x00_eth.c
+++ b/arch/mips/mach-au1x00/au1x00_eth.c
@@ -43,7 +43,7 @@
#include <net.h>
#include <command.h>
#include <asm/io.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
#if defined(CONFIG_CMD_MII)
#include <miiphy.h>
diff --git a/arch/mips/mach-au1x00/au1x00_serial.c b/arch/mips/mach-au1x00/au1x00_serial.c
index 046350826a90c270d72452ab4f0cca4901d67219..47845049bb9cafc9f4abec163e68a04ee128b34b 100644
--- a/arch/mips/mach-au1x00/au1x00_serial.c
+++ b/arch/mips/mach-au1x00/au1x00_serial.c
@@ -11,7 +11,7 @@
#include <config.h>
#include <common.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
#include <serial.h>
#include <linux/compiler.h>
diff --git a/arch/mips/mach-au1x00/au1x00_usb_ohci.c b/arch/mips/mach-au1x00/au1x00_usb_ohci.c
index 74bdb773032f10bac9a19d8d649f628436a919b7..42484e57121fbf1e84da8299d73b9c35e764b873 100644
--- a/arch/mips/mach-au1x00/au1x00_usb_ohci.c
+++ b/arch/mips/mach-au1x00/au1x00_usb_ohci.c
@@ -23,7 +23,7 @@
#include <common.h>
#include <malloc.h>
#include <asm/io.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
#include <usb.h>
#include "au1x00_usb_ohci.h"
diff --git a/arch/mips/mach-au1x00/config.mk b/arch/mips/mach-au1x00/config.mk
deleted file mode 100644
index 5c89129d8cf4793cb5d79e6697731ffa3921fd83..0000000000000000000000000000000000000000
--- a/arch/mips/mach-au1x00/config.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2011
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-PLATFORM_CPPFLAGS += -mtune=4kc
diff --git a/arch/mips/include/asm/au1x00.h b/arch/mips/mach-au1x00/include/mach/au1x00.h
similarity index 100%
rename from arch/mips/include/asm/au1x00.h
rename to arch/mips/mach-au1x00/include/mach/au1x00.h
diff --git a/board/dbau1x00/dbau1x00.c b/board/dbau1x00/dbau1x00.c
index bd20f6e4b0d691d2eea06e18cef44008c6639807..75e6f0ef5adeb6a82d97ffc204eb6aac11181dc7 100644
--- a/board/dbau1x00/dbau1x00.c
+++ b/board/dbau1x00/dbau1x00.c
@@ -7,7 +7,7 @@
#include <common.h>
#include <command.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
#include <asm/mipsregs.h>
#include <asm/io.h>
diff --git a/board/dbau1x00/lowlevel_init.S b/board/dbau1x00/lowlevel_init.S
index 842fb76e5873e768d0a11b518ecb0aa3a4cacf8a..409f8ee47701a3efe710cb190561deb13f95cf2c 100644
--- a/board/dbau1x00/lowlevel_init.S
+++ b/board/dbau1x00/lowlevel_init.S
@@ -1,8 +1,8 @@
/* Memory sub-system initialization code */
#include <config.h>
+#include <mach/au1x00.h>
#include <asm/regdef.h>
-#include <asm/au1x00.h>
#include <asm/mipsregs.h>
#define AU1500_SYS_ADDR 0xB1900000
diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c
index 79562f79a80c6f93acb134e3a9d342957a3807c8..cae4a21c3d867088fbe894896174d6db13dbd697 100644
--- a/board/imgtec/malta/malta.c
+++ b/board/imgtec/malta/malta.c
@@ -53,8 +53,9 @@ static void malta_lcd_puts(const char *str)
static enum core_card malta_core_card(void)
{
u32 corid, rev;
+ const void *reg = (const void *)CKSEG1ADDR(MALTA_REVISION);
- rev = __raw_readl(CKSEG1ADDR(MALTA_REVISION));
+ rev = __raw_readl(reg);
corid = (rev & MALTA_REVISION_CORID_MSK) >> MALTA_REVISION_CORID_SHF;
switch (corid) {
diff --git a/board/micronas/vct/vct.h b/board/micronas/vct/vct.h
index 0a1c5fcb82930d0908154ea6d7a4eab5594c8409..67da6a8e730590b2167b2b3e259494baf83d3bae 100644
--- a/board/micronas/vct/vct.h
+++ b/board/micronas/vct/vct.h
@@ -80,12 +80,14 @@ void vct_pin_mux_initialize(void);
*/
static inline void reg_write(u32 addr, u32 data)
{
- __raw_writel(data, addr + REG_GLOBAL_START_ADDR);
+ void *reg = (void *)(addr + REG_GLOBAL_START_ADDR);
+ __raw_writel(data, reg);
}
static inline u32 reg_read(u32 addr)
{
- return __raw_readl(addr + REG_GLOBAL_START_ADDR);
+ const void *reg = (const void *)(addr + REG_GLOBAL_START_ADDR);
+ return __raw_readl(reg);
}
#endif /* _VCT_H */
diff --git a/board/pb1x00/lowlevel_init.S b/board/pb1x00/lowlevel_init.S
index b145e438f07fac9d437c5aba01af07ccd86a7e9a..98d9536a7d70abb2fe10bc51dedd6713af69f87d 100644
--- a/board/pb1x00/lowlevel_init.S
+++ b/board/pb1x00/lowlevel_init.S
@@ -1,8 +1,8 @@
/* Memory sub-system initialization code */
#include <config.h>
+#include <mach/au1x00.h>
#include <asm/regdef.h>
-#include <asm/au1x00.h>
#include <asm/mipsregs.h>
#define AU1500_SYS_ADDR 0xB1900000
diff --git a/board/pb1x00/pb1x00.c b/board/pb1x00/pb1x00.c
index 34814c47cb8ce3936a0d425b96abef42756ed4b8..eb92914a7986ef014c03896e5bcfbb2bc40ae495 100644
--- a/board/pb1x00/pb1x00.c
+++ b/board/pb1x00/pb1x00.c
@@ -7,7 +7,7 @@
#include <common.h>
#include <command.h>
-#include <asm/au1x00.h>
+#include <mach/au1x00.h>
#include <asm/mipsregs.h>
#include <asm/io.h>
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c
index cfcb1b4e23326babd16ec1940cb3620cc5c5f65a..16a7512b0c50d9660a17fb995244ffddf37cf4b6 100644
--- a/drivers/net/pcnet.c
+++ b/drivers/net/pcnet.c
@@ -134,8 +134,17 @@ static int pcnet_recv (struct eth_device *dev);
static void pcnet_halt (struct eth_device *dev);
static int pcnet_probe (struct eth_device *dev, bd_t * bis, int dev_num);
-#define PCI_TO_MEM(d, a) pci_virt_to_mem((pci_dev_t)d->priv, (a))
-#define PCI_TO_MEM_LE(d,a) (u32)(cpu_to_le32(PCI_TO_MEM(d,a)))
+static inline pci_addr_t pcnet_virt_to_mem(const struct eth_device *dev,
+ void *addr, bool uncached)
+{
+ pci_dev_t devbusfn = (pci_dev_t)dev->priv;
+ void *virt_addr = addr;
+
+ if (uncached)
+ virt_addr = (void *)CKSEG0ADDR(addr);
+
+ return pci_virt_to_mem(devbusfn, virt_addr);
+}
static struct pci_device_id supported[] = {
{PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE},
@@ -352,7 +361,8 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
*/
lp->cur_rx = 0;
for (i = 0; i < RX_RING_SIZE; i++) {
- uc->rx_ring[i].base = PCI_TO_MEM_LE(dev, (*lp->rx_buf)[i]);
+ addr = pcnet_virt_to_mem(dev, (*lp->rx_buf)[i], false);
+ uc->rx_ring[i].base = cpu_to_le32(addr);
uc->rx_ring[i].buf_length = cpu_to_le16(-PKT_BUF_SZ);
uc->rx_ring[i].status = cpu_to_le16(0x8000);
PCNET_DEBUG1
@@ -383,8 +393,10 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
uc->init_block.tlen_rlen = cpu_to_le16(TX_RING_LEN_BITS |
RX_RING_LEN_BITS);
- uc->init_block.rx_ring = PCI_TO_MEM_LE(dev, uc->rx_ring);
- uc->init_block.tx_ring = PCI_TO_MEM_LE(dev, uc->tx_ring);
+ addr = pcnet_virt_to_mem(dev, uc->rx_ring, true);
+ uc->init_block.rx_ring = cpu_to_le32(addr);
+ addr = pcnet_virt_to_mem(dev, uc->tx_ring, true);
+ uc->init_block.tx_ring = cpu_to_le32(addr);
PCNET_DEBUG1("\ntlen_rlen=0x%x rx_ring=0x%x tx_ring=0x%x\n",
uc->init_block.tlen_rlen,
@@ -394,7 +406,7 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
* Tell the controller where the Init Block is located.
*/
barrier();
- addr = PCI_TO_MEM(dev, &lp->uc->init_block);
+ addr = pcnet_virt_to_mem(dev, &lp->uc->init_block, true);
pcnet_write_csr(dev, 1, addr & 0xffff);
pcnet_write_csr(dev, 2, (addr >> 16) & 0xffff);
@@ -424,6 +436,7 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
{
int i, status;
+ u32 addr;
struct pcnet_tx_head *entry = &lp->uc->tx_ring[lp->cur_tx];
PCNET_DEBUG2("Tx%d: %d bytes from 0x%p ", lp->cur_tx, pkt_len,
@@ -451,9 +464,10 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
* Setup Tx ring. Caution: the write order is important here,
* set the status with the "ownership" bits last.
*/
+ addr = pcnet_virt_to_mem(dev, packet, false);
writew(-pkt_len, &entry->length);
writel(0, &entry->misc);
- writel(PCI_TO_MEM(dev, packet), &entry->base);
+ writel(addr, &entry->base);
writew(0x8300, &entry->status);
/* Trigger an immediate send poll. */
diff --git a/dts/Makefile b/dts/Makefile
index d3122aa3b96eeaa8820300060c958bcb5cf1d6dd..c4ac153ef3602bf6f2a66128d3bb63a3ffbcb416 100644
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -45,4 +45,4 @@ dtbs: $(obj)/dt.dtb
clean-files := dt.dtb.S
# Let clean descend into dts directories
-subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts
+subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts
diff --git a/include/configs/malta.h b/include/configs/malta.h
index 3faac3763260f600c24d4f4d00bdc66dff6b2c80..aecc8cef90ad9b0b23e2e3475a3098003baf5b26 100644
--- a/include/configs/malta.h
+++ b/include/configs/malta.h
@@ -7,9 +7,6 @@
#ifndef _MALTA_CONFIG_H
#define _MALTA_CONFIG_H
-#include <asm/addrspace.h>
-#include <asm/malta.h>
-
/*
* System configuration
*/
@@ -83,14 +80,14 @@
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK (115200 * 16)
-#define CONFIG_SYS_NS16550_COM1 CKSEG1ADDR(MALTA_GT_UART0_BASE)
-#define CONFIG_SYS_NS16550_COM2 CKSEG1ADDR(MALTA_MSC01_UART0_BASE)
+#define CONFIG_SYS_NS16550_COM1 0xb80003f8
+#define CONFIG_SYS_NS16550_COM2 0xbb0003f8
#define CONFIG_CONS_INDEX 1
/*
* Flash configuration
*/
-#define CONFIG_SYS_FLASH_BASE (KSEG1 | MALTA_FLASH_BASE)
+#define CONFIG_SYS_FLASH_BASE 0xbe000000
#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_MAX_FLASH_SECT 128
#define CONFIG_SYS_FLASH_CFI