diff options
94 files changed, 9360 insertions, 3525 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cf8d0945530..67a2fa2caa4 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,16 +4,21 @@ config MIPS select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC select HAVE_ARCH_KGDB select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_C_RECORDMCOUNT select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KPROBES select HAVE_KRETPROBES select RTC_LIB if !MACH_LOONGSON select GENERIC_ATOMIC64 if !64BIT + select HAVE_DMA_ATTRS + select HAVE_DMA_API_DEBUG menu "Machine selection" @@ -691,6 +696,9 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select SWAP_IO_SPACE select HW_HAS_PCI select ARCH_SUPPORTS_MSI + select ZONE_DMA32 + select USB_ARCH_HAS_OHCI + select USB_ARCH_HAS_EHCI help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon @@ -1334,6 +1342,57 @@ config CPU_CAVIUM_OCTEON can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. Full details can be found at http://www.caviumnetworks.com. +config CPU_BMIPS3300 + bool "BMIPS3300" + depends on SYS_HAS_CPU_BMIPS3300 + select DMA_NONCOHERENT + select IRQ_CPU + select SWAP_IO_SPACE + select SYS_SUPPORTS_32BIT_KERNEL + select WEAK_ORDERING + help + Broadcom BMIPS3300 processors. + +config CPU_BMIPS4350 + bool "BMIPS4350" + depends on SYS_HAS_CPU_BMIPS4350 + select CPU_SUPPORTS_32BIT_KERNEL + select DMA_NONCOHERENT + select IRQ_CPU + select SWAP_IO_SPACE + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_HOTPLUG_CPU + select WEAK_ORDERING + help + Broadcom BMIPS4350 ("VIPER") processors. + +config CPU_BMIPS4380 + bool "BMIPS4380" + depends on SYS_HAS_CPU_BMIPS4380 + select CPU_SUPPORTS_32BIT_KERNEL + select DMA_NONCOHERENT + select IRQ_CPU + select SWAP_IO_SPACE + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_HOTPLUG_CPU + select WEAK_ORDERING + help + Broadcom BMIPS4380 processors. + +config CPU_BMIPS5000 + bool "BMIPS5000" + depends on SYS_HAS_CPU_BMIPS5000 + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + select DMA_NONCOHERENT + select IRQ_CPU + select SWAP_IO_SPACE + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_HOTPLUG_CPU + select WEAK_ORDERING + help + Broadcom BMIPS5000 processors. + endchoice if CPU_LOONGSON2F @@ -1452,6 +1511,18 @@ config SYS_HAS_CPU_SB1 config SYS_HAS_CPU_CAVIUM_OCTEON bool +config SYS_HAS_CPU_BMIPS3300 + bool + +config SYS_HAS_CPU_BMIPS4350 + bool + +config SYS_HAS_CPU_BMIPS4380 + bool + +config SYS_HAS_CPU_BMIPS5000 + bool + # # CPU may reorder R->R, R->W, W->R, W->W # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC @@ -1928,6 +1999,14 @@ config NODES_SHIFT default "6" depends on NEED_MULTIPLE_NODES +config HW_PERF_EVENTS + bool "Enable hardware performance counter support for perf events" + depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32 + default y + help + Enable hardware performance counter support for perf events. If + disabled, perf events will use software events only. + source "mm/Kconfig" config SMP diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 43dc2799773..f437cd1fafb 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -67,6 +67,15 @@ config CMDLINE_OVERRIDE Normally, you will choose 'N' here. +config DEBUG_STACKOVERFLOW + bool "Check for stack overflows" + depends on DEBUG_KERNEL + help + This option will cause messages to be printed if free stack space + drops below a certain limit(2GB on MIPS). The debugging option + provides another way to check stack overflow happened on kernel mode + stack usually caused by nested interruption. + config DEBUG_STACK_USAGE bool "Enable stack utilization instrumentation" depends on DEBUG_KERNEL diff --git a/arch/mips/Makefile b/arch/mips/Makefile index f4a4b663ebb..7c1102e41fe 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -48,9 +48,6 @@ ifneq ($(SUBARCH),$(ARCH)) endif endif -ifndef CONFIG_FUNCTION_TRACER -cflags-y := -ffunction-sections -endif ifdef CONFIG_FUNCTION_GRAPH_TRACER ifndef KBUILD_MCOUNT_RA_ADDRESS ifeq ($(call cc-option-yn,-mmcount-ra-address), y) @@ -159,6 +156,7 @@ cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon endif +cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c index c32fbb57441..425dfa5d6e1 100644 --- a/arch/mips/ar7/gpio.c +++ b/arch/mips/ar7/gpio.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> - * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2009-2010 Florian Fainelli <florian@openwrt.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -37,6 +37,16 @@ static int ar7_gpio_get_value(struct gpio_chip *chip, unsigned gpio) return readl(gpio_in) & (1 << gpio); } +static int titan_gpio_get_value(struct gpio_chip *chip, unsigned gpio) +{ + struct ar7_gpio_chip *gpch = + container_of(chip, struct ar7_gpio_chip, chip); + void __iomem *gpio_in0 = gpch->regs + TITAN_GPIO_INPUT_0; + void __iomem *gpio_in1 = gpch->regs + TITAN_GPIO_INPUT_1; + + return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f)); +} + static void ar7_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) { @@ -51,6 +61,21 @@ static void ar7_gpio_set_value(struct gpio_chip *chip, writel(tmp, gpio_out); } +static void titan_gpio_set_value(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct ar7_gpio_chip *gpch = + container_of(chip, struct ar7_gpio_chip, chip); + void __iomem *gpio_out0 = gpch->regs + TITAN_GPIO_OUTPUT_0; + void __iomem *gpio_out1 = gpch->regs + TITAN_GPIO_OUTPUT_1; + unsigned tmp; + + tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f)); + if (value) + tmp |= 1 << (gpio & 0x1f); + writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0); +} + static int ar7_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) { struct ar7_gpio_chip *gpch = @@ -62,6 +87,21 @@ static int ar7_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) return 0; } +static int titan_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + struct ar7_gpio_chip *gpch = + container_of(chip, struct ar7_gpio_chip, chip); + void __iomem *gpio_dir0 = gpch->regs + TITAN_GPIO_DIR_0; + void __iomem *gpio_dir1 = gpch->regs + TITAN_GPIO_DIR_1; + + if (gpio >= TITAN_GPIO_MAX) + return -EINVAL; + + writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_dir1 : gpio_dir0); + return 0; +} + static int ar7_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value) { @@ -75,6 +115,24 @@ static int ar7_gpio_direction_output(struct gpio_chip *chip, return 0; } +static int titan_gpio_direction_output(struct gpio_chip *chip, + unsigned gpio, int value) +{ + struct ar7_gpio_chip *gpch = + container_of(chip, struct ar7_gpio_chip, chip); + void __iomem *gpio_dir0 = gpch->regs + TITAN_GPIO_DIR_0; + void __iomem *gpio_dir1 = gpch->regs + TITAN_GPIO_DIR_1; + + if (gpio >= TITAN_GPIO_MAX) + return -EINVAL; + + titan_gpio_set_value(chip, gpio, value); + writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 << + (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0); + + return 0; +} + static struct ar7_gpio_chip ar7_gpio_chip = { .chip = { .label = "ar7-gpio", @@ -87,7 +145,19 @@ static struct ar7_gpio_chip ar7_gpio_chip = { } }; -int ar7_gpio_enable(unsigned gpio) +static struct ar7_gpio_chip titan_gpio_chip = { + .chip = { + .label = "titan-gpio", + .direction_input = titan_gpio_direction_input, + .direction_output = titan_gpio_direction_output, + .set = titan_gpio_set_value, + .get = titan_gpio_get_value, + .base = 0, + .ngpio = TITAN_GPIO_MAX, + } +}; + +static inline int ar7_gpio_enable_ar7(unsigned gpio) { void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE; @@ -95,9 +165,26 @@ int ar7_gpio_enable(unsigned gpio) return 0; } + +static inline int ar7_gpio_enable_titan(unsigned gpio) +{ + void __iomem *gpio_en0 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_0; + void __iomem *gpio_en1 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_1; + + writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_en1 : gpio_en0); + + return 0; +} + +int ar7_gpio_enable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) : + ar7_gpio_enable_ar7(gpio); +} EXPORT_SYMBOL(ar7_gpio_enable); -int ar7_gpio_disable(unsigned gpio) +static inline int ar7_gpio_disable_ar7(unsigned gpio) { void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE; @@ -105,27 +192,159 @@ int ar7_gpio_disable(unsigned gpio) return 0; } + +static inline int ar7_gpio_disable_titan(unsigned gpio) +{ + void __iomem *gpio_en0 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_0; + void __iomem *gpio_en1 = titan_gpio_chip.regs + TITAN_GPIO_ENBL_1; + + writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_en1 : gpio_en0); + + return 0; +} + +int ar7_gpio_disable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) : + ar7_gpio_disable_ar7(gpio); +} EXPORT_SYMBOL(ar7_gpio_disable); -static int __init ar7_gpio_init(void) +struct titan_gpio_cfg { + u32 reg; + u32 shift; + u32 func; +}; + +static struct titan_gpio_cfg titan_gpio_table[] = { + /* reg, start bit, mux value */ + {4, 24, 1}, + {4, 26, 1}, + {4, 28, 1}, + {4, 30, 1}, + {5, 6, 1}, + {5, 8, 1}, + {5, 10, 1}, + {5, 12, 1}, + {7, 14, 3}, + {7, 16, 3}, + {7, 18, 3}, + {7, 20, 3}, + {7, 22, 3}, + {7, 26, 3}, + {7, 28, 3}, + {7, 30, 3}, + {8, 0, 3}, + {8, 2, 3}, + {8, 4, 3}, + {8, 10, 3}, + {8, 14, 3}, + {8, 16, 3}, + {8, 18, 3}, + {8, 20, 3}, + {9, 8, 3}, + {9, 10, 3}, + {9, 12, 3}, + {9, 14, 3}, + {9, 18, 3}, + {9, 20, 3}, + {9, 24, 3}, + {9, 26, 3}, + {9, 28, 3}, + {9, 30, 3}, + {10, 0, 3}, + {10, 2, 3}, + {10, 8, 3}, + {10, 10, 3}, + {10, 12, 3}, + {10, 14, 3}, + {13, 12, 3}, + {13, 14, 3}, + {13, 16, 3}, + {13, 18, 3}, + {13, 24, 3}, + {13, 26, 3}, + {13, 28, 3}, + {13, 30, 3}, + {14, 2, 3}, + {14, 6, 3}, + {14, 8, 3}, + {14, 12, 3} +}; + +static int titan_gpio_pinsel(unsigned gpio) +{ + struct titan_gpio_cfg gpio_cfg; + u32 mux_status, pin_sel_reg, tmp; + void __iomem *pin_sel = (void __iomem *)KSEG1ADDR(AR7_REGS_PINSEL); + + if (gpio >= ARRAY_SIZE(titan_gpio_table)) + return -EINVAL; + + gpio_cfg = titan_gpio_table[gpio]; + pin_sel_reg = gpio_cfg.reg - 1; + + mux_status = (readl(pin_sel + pin_sel_reg) >> gpio_cfg.shift) & 0x3; + + /* Check the mux status */ + if (!((mux_status == 0) || (mux_status == gpio_cfg.func))) + return 0; + + /* Set the pin sel valu |