X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fmips%2FKconfig;h=7e6fd1cbd3f893ca3d50132bc6ffb0fcbc80966c;hb=3374cd1abd478f767aaedf2c21d109596ff0fe72;hp=206cb7953b0cb21360cb331cae3069ac49e8ce38;hpb=a83860c2da9303c864a53c299d17f608f9643541;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 206cb79..7e6fd1c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1,12 +1,16 @@ config MIPS bool default y + select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE select HAVE_ARCH_KGDB - # Horrible source of confusion. Die, die, die ... - select EMBEDDED - select RTC_LIB + select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_TRACE_MCOUNT_TEST + select HAVE_DYNAMIC_FTRACE + select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_FUNCTION_GRAPH_TRACER + select RTC_LIB if !MACH_LOONGSON mainmenu "Linux/MIPS Kernel Configuration" @@ -21,26 +25,31 @@ choice config MACH_ALCHEMY bool "Alchemy processor based machines" + select SYS_SUPPORTS_ZBOOT -config BASLER_EXCITE - bool "Basler eXcite smart camera" +config AR7 + bool "Texas Instruments AR7" + select BOOT_ELF32 + select DMA_NONCOHERENT select CEVT_R4K select CSRC_R4K - select DMA_COHERENT - select HW_HAS_PCI select IRQ_CPU - select IRQ_CPU_RM7K - select IRQ_CPU_RM9K - select MIPS_RM9122 - select SYS_HAS_CPU_RM9000 + select NO_EXCEPT_FILL + select SWAP_IO_SPACE + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_ZBOOT_UART16550 + select ARCH_REQUIRE_GPIOLIB + select GCD + select VLYNQ help - The eXcite is a smart camera platform manufactured by - Basler Vision Technologies AG. + Support for the Texas Instruments AR7 System-on-a-Chip + family: TNETD7100, 7200 and 7300. config BCM47XX - bool "BCM47XX based boards" + bool "Broadcom BCM47XX based boards" select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT @@ -60,6 +69,21 @@ config BCM47XX help Support for BCM47XX based boards +config BCM63XX + bool "Broadcom BCM63XX based boards" + select CEVT_R4K + select CSRC_R4K + select DMA_NONCOHERENT + select IRQ_CPU + select SYS_HAS_CPU_MIPS32_R1 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_HAS_EARLY_PRINTK + select SWAP_IO_SPACE + select ARCH_REQUIRE_GPIOLIB + help + Support for BCM63XX based boards + config MIPS_COBALT bool "Cobalt Server" select CEVT_R4K @@ -72,12 +96,12 @@ config MIPS_COBALT select IRQ_CPU select IRQ_GT641XX select PCI_GT64XXX_PCI0 + select PCI select SYS_HAS_CPU_NEVADA select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN - select GENERIC_HARDIRQS_NO__DO_IRQ config MACH_DECSTATION bool "DECstations" @@ -132,11 +156,10 @@ config MACH_JAZZ select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_100HZ - select GENERIC_HARDIRQS_NO__DO_IRQ help This a family of machines based on the MIPS R4030 chipset which was used by several vendors to build RISC/os and Windows NT workstations. - Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and + Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and Olivetti M700-10 workstations. config LASAT @@ -154,33 +177,17 @@ config LASAT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if BROKEN select SYS_SUPPORTS_LITTLE_ENDIAN - select GENERIC_HARDIRQS_NO__DO_IRQ -config LEMOTE_FULONG - bool "Lemote Fulong mini-PC" - select ARCH_SPARSEMEM_ENABLE - select CEVT_R4K - select CSRC_R4K - select SYS_HAS_CPU_LOONGSON2 - select DMA_NONCOHERENT - select BOOT_ELF32 - select BOARD_SCACHE - select HAVE_STD_PC_SERIAL_PORT - select HW_HAS_PCI - select I8259 - select ISA - select IRQ_CPU - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_HIGHMEM - select SYS_HAS_EARLY_PRINTK - select GENERIC_HARDIRQS_NO__DO_IRQ - select GENERIC_ISA_DMA_SUPPORT_BROKEN - select CPU_HAS_WB +config MACH_LOONGSON + bool "Loongson family of machines" + select SYS_SUPPORTS_ZBOOT help - Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and - an FPGA northbridge + This enables the support of Loongson family of machines. + + Loongson is a family of general-purpose MIPS-compatible CPUs. + developed at Institute of Computing Technology (ICT), + Chinese Academy of Sciences (CAS) in the People's Republic + of China. The chief architect is Professor Weiwu Hu. config MIPS_MALTA bool "MIPS Malta board" @@ -212,9 +219,10 @@ config MIPS_MALTA select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken + select SYS_SUPPORTS_MIPS_CMP select SYS_SUPPORTS_MULTITHREADING select SYS_SUPPORTS_SMARTMIPS + select SYS_SUPPORTS_ZBOOT help This enables support for the MIPS Technologies Malta evaluation board. @@ -250,7 +258,7 @@ config MACH_VR41XX select CEVT_R4K select CSRC_R4K select SYS_HAS_CPU_VR41XX - select GENERIC_HARDIRQS_NO__DO_IRQ + select ARCH_REQUIRE_GPIOLIB config NXP_STB220 bool "NXP STB220 board" @@ -316,6 +324,24 @@ config PMC_YOSEMITE Yosemite is an evaluation board for the RM9000x2 processor manufactured by PMC-Sierra. +config POWERTV + bool "Cisco PowerTV" + select BOOT_ELF32 + select CEVT_R4K + select CPU_MIPSR2_IRQ_VI + select CPU_MIPSR2_IRQ_EI + select CSRC_POWERTV + select DMA_NONCOHERENT + select HW_HAS_PCI + select SYS_HAS_EARLY_PRINTK + select SYS_HAS_CPU_MIPS32_R2 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select USB_OHCI_LITTLE_ENDIAN + help + This enables support for the Cisco PowerTV Platform. + config SGI_IP22 bool "SGI IP22 (Indy/Indigo2)" select ARC @@ -340,7 +366,14 @@ config SGI_IP22 select SWAP_IO_SPACE select SYS_HAS_CPU_R4X00 select SYS_HAS_CPU_R5000 - select SYS_HAS_EARLY_PRINTK + # + # Disable EARLY_PRINTK for now since it leads to overwritten prom + # memory during early boot on some machines. + # + # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com + # for a more details discussion + # + # select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN @@ -364,7 +397,6 @@ config SGI_IP27 select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_NUMA select SYS_SUPPORTS_SMP - select GENERIC_HARDIRQS_NO__DO_IRQ help This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics workstations. To compile a Linux kernel that runs on these, say Y @@ -393,7 +425,14 @@ config SGI_IP28 select SGI_HAS_ZILOG select SWAP_IO_SPACE select SYS_HAS_CPU_R10000 - select SYS_HAS_EARLY_PRINTK + # + # Disable EARLY_PRINTK for now since it leads to overwritten prom + # memory during early boot on some machines. + # + # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com + # for a more details discussion + # + # select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN help @@ -470,6 +509,7 @@ config SIBYTE_SWARM bool "Sibyte BCM91250A-SWARM" select BOOT_ELF32 select DMA_COHERENT + select HAVE_PATA_PLATFORM select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE @@ -484,6 +524,7 @@ config SIBYTE_LITTLESUR depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select HAVE_PATA_PLATFORM select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE @@ -563,7 +604,6 @@ config MIKROTIK_RB532 select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT - select GENERIC_HARDIRQS_NO__DO_IRQ select HW_HAS_PCI select IRQ_CPU select SYS_HAS_CPU_MIPS32_R1 @@ -600,13 +640,14 @@ config WR_PPMC board, which is based on GT64120 bridge chip. config CAVIUM_OCTEON_SIMULATOR - bool "Support for the Cavium Networks Octeon Simulator" + bool "Cavium Networks Octeon Simulator" select CEVT_R4K select 64BIT_PHYS_ADDR select DMA_COHERENT select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_HOTPLUG_CPU select SYS_HAS_CPU_CAVIUM_OCTEON help The Octeon simulator is software performance model of the Cavium @@ -614,16 +655,19 @@ config CAVIUM_OCTEON_SIMULATOR hardware. config CAVIUM_OCTEON_REFERENCE_BOARD - bool "Support for the Cavium Networks Octeon reference board" + bool "Cavium Networks Octeon reference board" select CEVT_R4K select 64BIT_PHYS_ADDR select DMA_COHERENT select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_HOTPLUG_CPU select SYS_HAS_EARLY_PRINTK select SYS_HAS_CPU_CAVIUM_OCTEON select SWAP_IO_SPACE + select HW_HAS_PCI + select ARCH_SUPPORTS_MSI help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon @@ -640,15 +684,17 @@ config CAVIUM_OCTEON_REFERENCE_BOARD endchoice source "arch/mips/alchemy/Kconfig" -source "arch/mips/basler/excite/Kconfig" +source "arch/mips/bcm63xx/Kconfig" source "arch/mips/jazz/Kconfig" source "arch/mips/lasat/Kconfig" source "arch/mips/pmc-sierra/Kconfig" +source "arch/mips/powertv/Kconfig" source "arch/mips/sgi-ip27/Kconfig" source "arch/mips/sibyte/Kconfig" source "arch/mips/txx9/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/cavium-octeon/Kconfig" +source "arch/mips/loongson/Kconfig" endmenu @@ -700,8 +746,7 @@ config SCHED_OMIT_FRAME_POINTER default y config GENERIC_HARDIRQS_NO__DO_IRQ - bool - default n + def_bool y # # Select some configuration options automatically based on user selections. @@ -743,6 +788,9 @@ config CSRC_BCM1480 config CSRC_IOASIC bool +config CSRC_POWERTV + bool + config CSRC_R4K_LIB bool @@ -766,31 +814,26 @@ config DMA_COHERENT config DMA_NONCOHERENT bool - select DMA_NEED_PCI_MAP_STATE + select NEED_DMA_MAP_STATE -config DMA_NEED_PCI_MAP_STATE +config NEED_DMA_MAP_STATE bool -config EARLY_PRINTK - bool "Early printk" if EMBEDDED && DEBUG_KERNEL - depends on SYS_HAS_EARLY_PRINTK - default y - help - This option enables special console drivers which allow the kernel - to print messages very early in the bootup process. - - This is useful for kernel debugging when your machine crashes very - early before the console code is initialized. For normal operation, - it is not recommended because it looks ugly on some machines and - doesn't cooperate with an X server. You should normally say N here, - unless you want to debug such a crash. - config SYS_HAS_EARLY_PRINTK bool config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU + help + Say Y here to allow turning CPUs off and on. CPUs can be + controlled through /sys/devices/system/cpu. + (Note: power management support will enable this option + automatically on SMP systems. ) + Say N if you want to disable CPU hotplug. + +config SYS_SUPPORTS_HOTPLUG_CPU bool - default n config I8259 bool @@ -858,6 +901,11 @@ config SYS_SUPPORTS_BIG_ENDIAN config SYS_SUPPORTS_LITTLE_ENDIAN bool +config SYS_SUPPORTS_HUGETLBFS + bool + depends on CPU_SUPPORTS_HUGEPAGES && 64BIT + default y + config IRQ_CPU bool @@ -920,7 +968,6 @@ config SOC_PNX833X select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN - select GENERIC_HARDIRQS_NO__DO_IRQ select GENERIC_GPIO select CPU_MIPSR2_IRQ_VI @@ -939,7 +986,6 @@ config SOC_PNX8550 select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL - select GENERIC_HARDIRQS_NO__DO_IRQ select GENERIC_GPIO config SWAP_IO_SPACE @@ -980,9 +1026,9 @@ config BOOT_ELF32 config MIPS_L1_CACHE_SHIFT int - default "4" if MACH_DECSTATION || MIKROTIK_RB532 + default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL + default "6" if MIPS_CPU_SCACHE default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON - default "4" if PMC_MSP4200_EVAL default "5" config HAVE_STD_PC_SERIAL_PORT @@ -1014,20 +1060,32 @@ choice prompt "CPU type" default CPU_R4X00 -config CPU_LOONGSON2 - bool "Loongson 2" - depends on SYS_HAS_CPU_LOONGSON2 - select CPU_SUPPORTS_32BIT_KERNEL - select CPU_SUPPORTS_64BIT_KERNEL - select CPU_SUPPORTS_HIGHMEM +config CPU_LOONGSON2E + bool "Loongson 2E" + depends on SYS_HAS_CPU_LOONGSON2E + select CPU_LOONGSON2 help The Loongson 2E processor implements the MIPS III instruction set with many extensions. + It has an internal FPGA northbridge, which is compatiable to + bonito64. + +config CPU_LOONGSON2F + bool "Loongson 2F" + depends on SYS_HAS_CPU_LOONGSON2F + select CPU_LOONGSON2 + help + The Loongson 2F processor implements the MIPS III instruction set + with many extensions. + + Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller + have a similar programming interface with FPGA northbridge used in + Loongson2E. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1045,7 +1103,6 @@ config CPU_MIPS32_R1 config CPU_MIPS32_R2 bool "MIPS32 Release 2" depends on SYS_HAS_CPU_MIPS32_R2 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1059,11 +1116,11 @@ config CPU_MIPS32_R2 config CPU_MIPS64_R1 bool "MIPS64 Release 1" depends on SYS_HAS_CPU_MIPS64_R1 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help Choose this option to build a kernel for release 1 or later of the MIPS64 architecture. Many modern embedded systems with a 64-bit @@ -1078,11 +1135,11 @@ config CPU_MIPS64_R1 config CPU_MIPS64_R2 bool "MIPS64 Release 2" depends on SYS_HAS_CPU_MIPS64_R2 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help Choose this option to build a kernel for release 2 or later of the MIPS64 architecture. Many modern embedded systems with a 64-bit @@ -1123,7 +1180,6 @@ config CPU_VR41XX config CPU_R4300 bool "R4300" depends on SYS_HAS_CPU_R4300 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1132,7 +1188,6 @@ config CPU_R4300 config CPU_R4X00 bool "R4x00" depends on SYS_HAS_CPU_R4X00 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1142,7 +1197,6 @@ config CPU_R4X00 config CPU_TX49XX bool "R49XX" depends on SYS_HAS_CPU_TX49XX - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1150,7 +1204,6 @@ config CPU_TX49XX config CPU_R5000 bool "R5000" depends on SYS_HAS_CPU_R5000 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1159,16 +1212,15 @@ config CPU_R5000 config CPU_R5432 bool "R5432" depends on SYS_HAS_CPU_R5432 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL config CPU_R5500 bool "R5500" depends on SYS_HAS_CPU_R5500 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL + select CPU_SUPPORTS_HUGEPAGES help NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV instruction set. @@ -1176,7 +1228,6 @@ config CPU_R5500 config CPU_R6000 bool "R6000" depends on EXPERIMENTAL - select CPU_HAS_LLSC depends on SYS_HAS_CPU_R6000 select CPU_SUPPORTS_32BIT_KERNEL help @@ -1186,7 +1237,6 @@ config CPU_R6000 config CPU_NEVADA bool "RM52xx" depends on SYS_HAS_CPU_NEVADA - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1196,7 +1246,6 @@ config CPU_R8000 bool "R8000" depends on EXPERIMENTAL depends on SYS_HAS_CPU_R8000 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL help @@ -1206,7 +1255,6 @@ config CPU_R8000 config CPU_R10000 bool "R10000" depends on SYS_HAS_CPU_R10000 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1217,7 +1265,6 @@ config CPU_R10000 config CPU_RM7000 bool "RM7000" depends on SYS_HAS_CPU_RM7000 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1226,7 +1273,6 @@ config CPU_RM7000 config CPU_RM9000 bool "RM9000" depends on SYS_HAS_CPU_RM9000 - select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1236,7 +1282,6 @@ config CPU_RM9000 config CPU_SB1 bool "SB1" depends on SYS_HAS_CPU_SB1 - select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1252,8 +1297,8 @@ config CPU_CAVIUM_OCTEON select SYS_SUPPORTS_SMP select NR_CPUS_DEFAULT_16 select WEAK_ORDERING - select WEAK_REORDERING_BEYOND_LLSC select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES help The Cavium Octeon processor is a highly integrated chip containing many ethernet hardware widgets for networking tasks. The processor @@ -1262,8 +1307,58 @@ config CPU_CAVIUM_OCTEON endchoice -config SYS_HAS_CPU_LOONGSON2 +if CPU_LOONGSON2F +config CPU_NOP_WORKAROUNDS + bool + +config CPU_JUMP_WORKAROUNDS + bool + +config CPU_LOONGSON2F_WORKAROUNDS + bool "Loongson 2F Workarounds" + default y + select CPU_NOP_WORKAROUNDS + select CPU_JUMP_WORKAROUNDS + help + Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which + require workarounds. Without workarounds the system may hang + unexpectedly. For more information please refer to the gas + -mfix-loongson2f-nop and -mfix-loongson2f-jump options. + + Loongson 2F03 and later have fixed these issues and no workarounds + are needed. The workarounds have no significant side effect on them + but may decrease the performance of the system so this option should + be disabled unless the kernel is intended to be run on 2F01 or 2F02 + systems. + + If unsure, please say Y. +endif # CPU_LOONGSON2F + +config SYS_SUPPORTS_ZBOOT bool + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA + select HAVE_KERNEL_LZO + +config SYS_SUPPORTS_ZBOOT_UART16550 + bool + select SYS_SUPPORTS_ZBOOT + +config CPU_LOONGSON2 + bool + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_64BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + +config SYS_HAS_CPU_LOONGSON2E + bool + +config SYS_HAS_CPU_LOONGSON2F + bool + select CPU_SUPPORTS_CPUFREQ + select CPU_SUPPORTS_ADDRWINCFG if 64BIT + select CPU_SUPPORTS_UNCACHED_ACCELERATED config SYS_HAS_CPU_MIPS32_R1 bool @@ -1373,6 +1468,17 @@ config CPU_SUPPORTS_32BIT_KERNEL bool config CPU_SUPPORTS_64BIT_KERNEL bool +config CPU_SUPPORTS_CPUFREQ + bool +config CPU_SUPPORTS_ADDRWINCFG + bool +config CPU_SUPPORTS_HUGEPAGES + bool +config CPU_SUPPORTS_UNCACHED_ACCELERATED + bool +config MIPS_PGD_C0_CONTEXT + bool + default y if 64BIT && CPU_MIPSR2 # # Set to y for ptrace access to watch registers. @@ -1413,6 +1519,7 @@ choice config PAGE_SIZE_4KB bool "4kB" + depends on !CPU_LOONGSON2 help This option select the standard 4kB Linux page size. On some R3000-family processors this is the only available page size. Using @@ -1421,13 +1528,12 @@ config PAGE_SIZE_4KB config PAGE_SIZE_8KB bool "8kB" - depends on EXPERIMENTAL && CPU_R8000 + depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON help Using 8kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available - only on the R8000 processor. Not that at the time of this writing - this option is still high experimental; there are also issues with - compatibility of user applications. + only on R8000 and cnMIPS processors. Note that you will need a + suitable Linux distribution to support this. config PAGE_SIZE_16KB bool "16kB" @@ -1438,6 +1544,15 @@ config PAGE_SIZE_16KB all non-R3000 family processors. Note that you will need a suitable Linux distribution to support this. +config PAGE_SIZE_32KB + bool "32kB" + depends on CPU_CAVIUM_OCTEON + help + Using 32kB page size will result in higher performance kernel at + the price of higher memory consumption. This option is available + only on cnMIPS cores. Note that you will need a suitable Linux + distribution to support this. + config PAGE_SIZE_64KB bool "64kB" depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX @@ -1612,7 +1727,7 @@ config MIPS_APSP_KSPD config MIPS_CMP bool "MIPS CMP framework support" depends on SYS_SUPPORTS_MIPS_CMP - select SYNC_R4K if BROKEN + select SYNC_R4K select SYS_SUPPORTS_SMP select SYS_SUPPORTS_SCHED_SMT if SMP select WEAK_ORDERING @@ -1639,8 +1754,8 @@ config SB1_PASS_2_1_WORKAROUNDS config 64BIT_PHYS_ADDR bool -config CPU_HAS_LLSC - bool +config ARCH_PHYS_ADDR_T_64BIT + def_bool 64BIT_PHYS_ADDR config CPU_HAS_SMARTMIPS depends on SYS_SUPPORTS_SMARTMIPS @@ -1732,7 +1847,7 @@ config SYS_SUPPORTS_SMARTMIPS config ARCH_FLATMEM_ENABLE def_bool y - depends on !NUMA + depends on !NUMA && !CPU_LOONGSON2 config ARCH_DISCONTIGMEM_ENABLE bool @@ -1968,10 +2083,6 @@ config SECCOMP endmenu -config RWSEM_GENERIC_SPINLOCK - bool - default y - config LOCKDEP_SUPPORT bool default y @@ -1982,15 +2093,6 @@ config STACKTRACE_SUPPORT source "init/Kconfig" -config PROBE_INITRD_HEADER - bool "Probe initrd header created by addinitrd" - depends on BLK_DEV_INITRD - help - Probe initrd header at the last page of kernel image. - Say Y here if you are using arch/mips/boot/addinitrd.c to - add initrd or initramfs image to the kernel image. - Otherwise, say N. - source "kernel/Kconfig.freezer" menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" @@ -2062,6 +2164,7 @@ config MMU config I8253 bool + select MIPS_EXTERNAL_TIMER config ZONE_DMA32 bool @@ -2126,14 +2229,20 @@ endmenu menu "Power management options" +config ARCH_HIBERNATION_POSSIBLE + def_bool y + depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP + config ARCH_SUSPEND_POSSIBLE def_bool y - depends on !SMP + depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP source "kernel/power/Kconfig" endmenu +source "arch/mips/kernel/cpufreq/Kconfig" + source "net/Kconfig" source "drivers/Kconfig"