diff options
Diffstat (limited to 'arch')
100 files changed, 4454 insertions, 1732 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 2121fbb2ff4c..5ac0115c9e20 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -22,6 +22,7 @@ config SUPERH select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA + select HAVE_KERNEL_LZO select HAVE_SYSCALL_TRACEPOINTS select RTC_LIB select GENERIC_ATOMIC64 @@ -42,6 +43,8 @@ config SUPERH32 select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE select HAVE_FUNCTION_GRAPH_TRACER select HAVE_ARCH_KGDB + select HAVE_HW_BREAKPOINT + select PERF_EVENTS if HAVE_HW_BREAKPOINT select ARCH_HIBERNATION_POSSIBLE if MMU config SUPERH64 @@ -726,8 +729,9 @@ config GUSA_RB disabling interrupts around the atomic sequence. config SPARSE_IRQ - bool "Support sparse irq numbering" - depends on EXPERIMENTAL + def_bool y + depends on SUPERH32 && !SH_DREAMCAST && !SH_HIGHLANDER && \ + !SH_RTS7751R2D && !HD64461 && !SH_7724_SOLUTION_ENGINE help This enables support for sparse irqs. This is useful in general as most CPUs have a fairly sparse array of IRQ vectors, which diff --git a/arch/sh/Makefile b/arch/sh/Makefile index db91925c79d1..30c80fd29058 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -83,6 +83,7 @@ defaultimage-$(CONFIG_SH_AP325RXA) := uImage defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux +defaultimage-$(CONFIG_SH_SDK7786) := vmlinux.bin # Set some sensible Kbuild defaults KBUILD_IMAGE := $(defaultimage-y) @@ -143,6 +144,7 @@ machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 +machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev @@ -203,8 +205,9 @@ endif libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) -BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec uImage.bin \ - zImage vmlinux.srec romImage +BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \ + uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ + romImage PHONY += $(BOOT_TARGETS) all: $(KBUILD_IMAGE) @@ -225,10 +228,12 @@ define archhelp @echo ' zImage - Compressed kernel image' @echo ' romImage - Compressed ROM image, if supported' @echo ' vmlinux.srec - Create an ELF S-record' + @echo ' vmlinux.bin - Create an uncompressed binary image' @echo '* uImage - Alias to bootable U-Boot image' @echo ' uImage.srec - Create an S-record for U-Boot' @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' + @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' endef diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig index aedd9deb5de2..938e87d51482 100644 --- a/arch/sh/boards/Kconfig +++ b/arch/sh/boards/Kconfig @@ -150,6 +150,14 @@ config SH_SDK7780 Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3 evaluation board. +config SH_SDK7786 + bool "SDK7786" + depends on CPU_SUBTYPE_SH7786 + select SYS_SUPPORTS_PCI + help + Select SDK7786 if configuring for a Renesas Technology Europe + SH7786-65nm board. + config SH_HIGHLANDER bool "Highlander" depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c index 62607eb51004..5bc126900ce3 100644 --- a/arch/sh/boards/board-polaris.c +++ b/arch/sh/boards/board-polaris.c @@ -59,15 +59,12 @@ static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3 }; static struct heartbeat_data heartbeat_data = { .bit_pos = heartbeat_bit_pos, .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), - .regsize = 8, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = PORT_PCDR, - .end = PORT_PCDR, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PORT_PCDR, + .end = PORT_PCDR, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT, }; static struct platform_device heartbeat_device = { @@ -76,8 +73,8 @@ static struct platform_device heartbeat_device = { .dev = { .platform_data = &heartbeat_data, }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; static struct platform_device *polaris_devices[] __initdata = { diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c index e5a8a2fde39c..511de38d2046 100644 --- a/arch/sh/boards/board-sh7785lcr.c +++ b/arch/sh/boards/board-sh7785lcr.c @@ -32,26 +32,17 @@ * NOTE: This board has 2 physical memory maps. * Please look at include/asm-sh/sh7785lcr.h or hardware manual. */ -static struct resource heartbeat_resources[] = { - [0] = { - .start = PLD_LEDCR, - .end = PLD_LEDCR, - .flags = IORESOURCE_MEM, - }, -}; - -static struct heartbeat_data heartbeat_data = { - .regsize = 8, +static struct resource heartbeat_resource = { + .start = PLD_LEDCR, + .end = PLD_LEDCR, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; static struct mtd_partition nor_flash_partitions[] = { @@ -341,8 +332,15 @@ static void __init sh7785lcr_setup(char **cmdline_p) pm_power_off = sh7785lcr_power_off; /* sm501 DRAM configuration */ - sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL; - writel(0x000307c2, sm501_reg); + sm501_reg = ioremap_fixed(SM107_REG_ADDR, SM501_DRAM_CONTROL, + PAGE_KERNEL); + if (!sm501_reg) { + printk(KERN_ERR "%s: ioremap error.\n", __func__); + return; + } + + writel(0x000307c2, sm501_reg + SM501_DRAM_CONTROL); + iounmap_fixed(sm501_reg); } /* Return the board specific boot mode pin configuration */ diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c index 36b8bac9b124..268f09e46568 100644 --- a/arch/sh/boards/board-urquell.c +++ b/arch/sh/boards/board-urquell.c @@ -50,26 +50,17 @@ */ /* HeartBeat */ -static struct resource heartbeat_resources[] = { - [0] = { - .start = BOARDREG(SLEDR), - .end = BOARDREG(SLEDR), - .flags = IORESOURCE_MEM, - }, -}; - -static struct heartbeat_data heartbeat_data = { - .regsize = 16, +static struct resource heartbeat_resource = { + .start = BOARDREG(SLEDR), + .end = BOARDREG(SLEDR), + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1 + .resource = &heartbeat_resource, }; /* LAN91C111 */ diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 5c246289b4f0..a49cce16e783 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -64,18 +64,16 @@ /* Heartbeat */ static unsigned char led_pos[] = { 0, 1, 2, 3 }; + static struct heartbeat_data heartbeat_data = { - .regsize = 8, .nr_bits = 4, .bit_pos = led_pos, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = 0xA405012C, /* PTG */ - .end = 0xA405012E - 1, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = 0xA405012C, /* PTG */ + .end = 0xA405012E - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT, }; static struct platform_device heartbeat_device = { @@ -84,8 +82,8 @@ static struct platform_device heartbeat_device = { .dev = { .platform_data = &heartbeat_data, }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; /* MTD */ diff --git a/arch/sh/boards/mach-sdk7780/setup.c b/arch/sh/boards/mach-sdk7780/setup.c index aad94a78dc70..1d04657e992d 100644 --- a/arch/sh/boards/mach-sdk7780/setup.c +++ b/arch/sh/boards/mach-sdk7780/setup.c @@ -20,27 +20,18 @@ #define GPIO_PECR 0xFFEA0008 -//* Heartbeat */ -static struct heartbeat_data heartbeat_data = { - .regsize = 16, -}; - -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +/* Heartbeat */ +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1 + .resource = &heartbeat_resource, }; /* SMC91x */ diff --git a/arch/sh/boards/mach-sdk7786/Makefile b/arch/sh/boards/mach-sdk7786/Makefile new file mode 100644 index 000000000000..f663768429f0 --- /dev/null +++ b/arch/sh/boards/mach-sdk7786/Makefile @@ -0,0 +1 @@ +obj-y := setup.o diff --git a/arch/sh/boards/mach-sdk7786/setup.c b/arch/sh/boards/mach-sdk7786/setup.c new file mode 100644 index 000000000000..c38c6cc293b5 --- /dev/null +++ b/arch/sh/boards/mach-sdk7786/setup.c @@ -0,0 +1,252 @@ +/* + * Renesas Technology Europe SDK7786 Support. + * + * Copyright (C) 2010 Matt Fleming + * Copyright (C) 2010 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/smsc911x.h> +#include <linux/i2c.h> +#include <linux/irq.h> +#include <asm/machvec.h> +#include <asm/heartbeat.h> +#include <asm/sizes.h> + +static struct resource heartbeat_resource = { + .start = 0x07fff8b0, + .end = 0x07fff8b0 + sizeof(u16) - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .num_resources = 1, + .resource = &heartbeat_resource, +}; + +static struct resource smsc911x_resources[] = { + [0] = { + .name = "smsc911x-memory", + .start = 0x07ffff00, + .end = 0x07ffff00 + SZ_256 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "smsc911x-irq", + .start = evt2irq(0x2c0), + .end = evt2irq(0x2c0), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, + .dev = { + .platform_data = &smsc911x_config, + }, +}; + +static struct resource smbus_fpga_resource = { + .start = 0x07fff9e0, + .end = 0x07fff9e0 + SZ_32 - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device smbus_fpga_device = { + .name = "i2c-sdk7786", + .id = 0, + .num_resources = 1, + .resource = &smbus_fpga_resource, +}; + +static struct resource smbus_pcie_resource = { + .start = 0x07fffc30, + .end = 0x07fffc30 + SZ_32 - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device smbus_pcie_device = { + .name = "i2c-sdk7786", + .id = 1, + .num_resources = 1, + .resource = &smbus_pcie_resource, +}; + +static struct i2c_board_info __initdata sdk7786_i2c_devices[] = { + { + I2C_BOARD_INFO("max6900", 0x68), + }, +}; + +static struct platform_device *sh7786_devices[] __initdata = { + &heartbeat_device, + &smsc911x_device, + &smbus_fpga_device, + &smbus_pcie_device, +}; + +#define SBCR_REGS_BASE 0x07fff990 + +#define SCBR_I2CMEN (1 << 0) /* FPGA I2C master enable */ +#define SCBR_I2CCEN (1 << 1) /* CPU I2C master enable */ + +static int sdk7786_i2c_setup(void) +{ + void __iomem *sbcr; + unsigned int tmp; + + sbcr = ioremap_nocache(SBCR_REGS_BASE, SZ_16); + + /* + * Hand over I2C control to the FPGA. + */ + tmp = ioread16(sbcr); + tmp &= ~SCBR_I2CCEN; + tmp |= SCBR_I2CMEN; + iowrite16(tmp, sbcr); + + iounmap(sbcr); + + return i2c_register_board_info(0, sdk7786_i2c_devices, + ARRAY_SIZE(sdk7786_i2c_devices)); +} + +static int __init sdk7786_devices_setup(void) +{ + int ret; + + ret = platform_add_devices(sh7786_devices, ARRAY_SIZE(sh7786_devices)); + if (unlikely(ret != 0)) + return ret; + + return sdk7786_i2c_setup(); +} +__initcall(sdk7786_devices_setup); + +#define FPGA_REGS_BASE 0x07fff800 +#define FPGA_REGS_SIZE 1152 + +#define INTASR 0x010 +#define INTAMR 0x020 +#define INTBSR 0x090 +#define INTBMR 0x0a0 +#define INTMSR 0x130 + +#define IASELR1 0x210 +#define IASELR2 0x220 +#define IASELR3 0x230 +#define IASELR4 0x240 +#define IASELR5 0x250 +#define IASELR6 0x260 +#define IASELR7 0x270 +#define IASELR8 0x280 +#define IASELR9 0x290 +#define IASELR10 0x2a0 +#define IASELR11 0x2b0 +#define IASELR12 0x2c0 +#define IASELR13 0x2d0 +#define IASELR14 0x2e0 +#define IASELR15 0x2f0 + +static void __iomem *fpga_regs; + +static u16 fpga_read_reg(unsigned int reg) +{ + return __raw_readw(fpga_regs + reg); +} + +static void fpga_write_reg(u16 val, unsigned int reg) +{ + __raw_writew(val, fpga_regs + reg); +} + +enum { + ATA_IRQ_BIT = 1, + SPI_BUSY_BIT = 2, + LIRQ5_BIT = 3, + LIRQ6_BIT = 4, + LIRQ7_BIT = 5, + LIRQ8_BIT = 6, + KEY_IRQ_BIT = 7, + PEN_IRQ_BIT = 8, + ETH_IRQ_BIT = 9, + RTC_ALARM_BIT = 10, + CRYSTAL_FAIL_BIT = 12, + ETH_PME_BIT = 14, +}; + +static void __init init_sdk7786_IRQ(void) +{ + unsigned int tmp; + + fpga_regs = ioremap_nocache(FPGA_REGS_BASE, FPGA_REGS_SIZE); + if (!fpga_regs) { + printk(KERN_ERR "Couldn't map FPGA registers\n"); + return; + } + + /* Enable priority encoding for all IRLs */ + fpga_write_reg(fpga_read_reg(INTMSR) | 0x0303, INTMSR); + + /* Clear FPGA interrupt status registers */ + fpga_write_reg(0x0000, INTASR); + fpga_write_reg(0x0000, INTBSR); + + /* Unmask FPGA interrupts */ + tmp = fpga_read_reg(INTAMR); + tmp &= ~(1 << ETH_IRQ_BIT); + fpga_write_reg(tmp, INTAMR); + + plat_irq_setup_pins(IRQ_MODE_IRL7654_MASK); + plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK); +} + +#define MODSWR_REGS 0x07fff830 + +static int sdk7786_mode_pins(void) +{ + void __iomem *modswr; + int pin_states; + + modswr = ioremap_nocache(MODSWR_REGS, SZ_16); + if (!modswr) + return -ENXIO; + + pin_states = ioread16(modswr); + iounmap(modswr); + + return pin_states; +} + +/* Initialize the board */ +static void __init sdk7786_setup(char **cmdline_p) +{ + printk(KERN_INFO "Renesas Technology Corp. SDK7786 support.\n"); +} + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_sdk7786 __initmv = { + .mv_name = "SDK7786", + .mv_setup = sdk7786_setup, + .mv_mode_pins = sdk7786_mode_pins, + .mv_init_irq = init_sdk7786_IRQ, +}; diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c index f5466384972e..8f5c65d43d1d 100644 --- a/arch/sh/boards/mach-se/7206/setup.c +++ b/arch/sh/boards/mach-se/7206/setup.c @@ -50,15 +50,12 @@ static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; static struct heartbeat_data heartbeat_data = { .bit_pos = heartbeat_bit_pos, .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), - .regsize = 32, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, }; static struct platform_device heartbeat_device = { @@ -67,8 +64,8 @@ static struct platform_device heartbeat_device = { .dev = { .platform_data = &heartbeat_data, }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; static struct platform_device *se7206_devices[] __initdata = { diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c index 051c29d4eae0..c60fd13608d0 100644 --- a/arch/sh/boards/mach-se/7343/irq.c +++ b/arch/sh/boards/mach-se/7343/irq.c @@ -16,15 +16,17 @@ #include <linux/io.h> #include <mach-se/mach/se7343.h> +unsigned int se7343_fpga_irq[SE7343_FPGA_IRQ_NR] = { 0, }; + static void disable_se7343_irq(unsigned int irq) { - unsigned int bit = irq - SE7343_FPGA_IRQ_BASE; + unsigned int bit = (unsigned int)get_irq_chip_data(irq); ctrl_outw(ctrl_inw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK); } static void enable_se7343_irq(unsigned int irq) { - unsigned int bit = irq - SE7343_FPGA_IRQ_BASE; + unsigned int bit = (unsigned int)get_irq_chip_data(irq); ctrl_outw(ctrl_inw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK); } @@ -38,18 +40,15 @@ static struct irq_chip se7343_irq_chip __read_mostly = { static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc) { unsigned short intv = ctrl_inw(PA_CPLD_ST); - struct irq_desc *ext_desc; - unsigned int ext_irq = SE7343_FPGA_IRQ_BASE; + unsigned int ext_irq = 0; intv &= (1 << SE7343_FPGA_IRQ_NR) - 1; - while (intv) { - if (intv & 1) { - ext_desc = irq_desc + ext_irq; - handle_level_irq(ext_irq, ext_desc); - } - intv >>= 1; - ext_irq++; + for (; intv; intv >>= 1, ext_irq++) { + if (!(intv & 1)) + continue; + + generic_handle_irq(se7343_fpga_irq[ext_irq]); } } @@ -58,16 +57,24 @@ static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc) */ void __init init_7343se_IRQ(void) { - int i; + int i, irq; ctrl_outw(0, PA_CPLD_IMSK); /* disable all irqs */ ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */ - for (i = 0; i < SE7343_FPGA_IRQ_NR; i++) - set_irq_chip_and_handler_name(SE7343_FPGA_IRQ_BASE + i, + for (i = 0; i < SE7343_FPGA_IRQ_NR; i++) { + irq = create_irq(); + if (irq < 0) + return; + se7343_fpga_irq[i] = irq; + + set_irq_chip_and_handler_name(se7343_fpga_irq[i], &se7343_irq_chip, handle_level_irq, "level"); + set_irq_chip_data(se7343_fpga_irq[i], (void *)i); + } + set_irq_chained_handler(IRQ0_IRQ, se7343_irq_demux); set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW); set_irq_chained_handler(IRQ1_IRQ, se7343_irq_demux); diff --git a/arch/sh/boards/mach-se/7343/setup.c b/arch/sh/boards/mach-se/7343/setup.c index 4de56f35f419..3412bb2973ae 100644 --- a/arch/sh/boards/mach-se/7343/setup.c +++ b/arch/sh/boards/mach-se/7343/setup.c @@ -11,26 +11,17 @@ #include <asm/irq.h> #include <asm/io.h> -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, -}; - -static struct heartbeat_data heartbeat_data = { - .regsize = 16, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; static struct mtd_partition nor_flash_partitions[] = { @@ -82,7 +73,6 @@ static struct plat_serial8250_port serial_platform_data[] = { .mapbase = 0x16000000, .regshift = 1, .flags = ST16C2550C_FLAGS, - .irq = UARTA_IRQ, .uartclk = 7372800, }, [1] = { @@ -90,7 +80,6 @@ static struct plat_serial8250_port serial_platform_data[] = { .mapbase = 0x17000000, .regshift = 1, .flags = ST16C2550C_FLAGS, - .irq = UARTB_IRQ, .uartclk = 7372800, }, { }, @@ -121,7 +110,7 @@ static struct resource usb_resources[] = { .flags = IORESOURCE_MEM, }, [2] = { - .start = USB_IRQ, + /* Filled in later */ .flags = IORESOURCE_IRQ, }, }; @@ -138,8 +127,8 @@ static struct isp116x_platform_data usb_platform_data = { static struct platform_device usb_device = { .name = "isp116x-hcd", .id = -1, - .num_resources = ARRAY_SIZE(usb_resources), - .resource = usb_resources, + .num_resources = ARRAY_SIZE(usb_resources), + .resource = usb_resources, .dev = { .platform_data = &usb_platform_data, }, @@ -155,6 +144,13 @@ static struct platform_device *sh7343se_platform_devices[] __initdata = { static int __init sh7343se_devices_setup(void) { + /* Wire-up dynamic vectors */ + serial_platform_data[0].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTA]; + serial_platform_data[1].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTB]; + + usb_resources[2].start = usb_resources[2].end = + se7343_fpga_irq[SE7343_FPGA_IRQ_USB]; + return platform_add_devices(sh7343se_platform_devices, ARRAY_SIZE(sh7343se_platform_devices)); } @@ -179,6 +175,5 @@ static void __init sh7343se_setup(char **cmdline_p) static struct sh_machine_vector mv_7343se __initmv = { .mv_name = "SolutionEngine 7343", .mv_setup = sh7343se_setup, - .mv_nr_irqs = SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_NR, .mv_init_irq = init_7343se_IRQ, }; diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c index 527eb6b12610..66d39d1b0901 100644 --- a/arch/sh/boards/mach-se/770x/setup.c +++ b/arch/sh/boards/mach-se/770x/setup.c @@ -93,15 +93,12 @@ static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; static struct heartbeat_data heartbeat_data = { .bit_pos = heartbeat_bit_pos, .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), - .regsize = 16, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { @@ -110,8 +107,8 @@ static struct platform_device heartbeat_device = { .dev = { .platform_data = &heartbeat_data, }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; #if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\ diff --git a/arch/sh/boards/mach-se/7721/setup.c b/arch/sh/boards/mach-se/7721/setup.c index 55af4c36b43a..460da53b4961 100644 --- a/arch/sh/boards/mach-se/7721/setup.c +++ b/arch/sh/boards/mach-se/7721/setup.c @@ -23,15 +23,12 @@ static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; static struct heartbeat_data heartbeat_data = { .bit_pos = heartbeat_bit_pos, .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), - .regsize = 16, }; -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { @@ -40,8 +37,8 @@ static struct platform_device heartbeat_device = { .dev = { .platform_data = &heartbeat_data, }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; static struct resource cf_ide_resources[] = { diff --git a/arch/sh/boards/mach-se/7722/setup.c b/arch/sh/boards/mach-se/7722/setup.c index b1cb9425b600..93675418171d 100644 --- a/arch/sh/boards/mach-se/7722/setup.c +++ b/arch/sh/boards/mach-se/7722/setup.c @@ -25,26 +25,17 @@ #include <cpu/sh7722.h> /* Heartbeat */ -static struct heartbeat_data heartbeat_data = { - .regsize = 16, -}; - -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; /* SMC91x */ diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 5d0f70b46c97..cbfba783ee49 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -53,26 +53,17 @@ */ /* Heartbeat */ -static struct heartbeat_data heartbeat_data = { - .regsize = 16, -}; - -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; /* LAN91C111 */ diff --git a/arch/sh/boards/mach-se/7780/setup.c b/arch/sh/boards/mach-se/7780/setup.c index 1d3a867e94e3..f7bfb3f83692 100644 --- a/arch/sh/boards/mach-se/7780/setup.c +++ b/arch/sh/boards/mach-se/7780/setup.c @@ -17,26 +17,17 @@ #include <asm/heartbeat.h> /* Heartbeat */ -static struct heartbeat_data heartbeat_data = { - .regsize = 16, -}; - -static struct resource heartbeat_resources[] = { - [0] = { - .start = PA_LED, - .end = PA_LED, - .flags = IORESOURCE_MEM, - }, +static struct resource heartbeat_resource = { + .start = PA_LED, + .end = PA_LED, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; /* SMC91x */ diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile index cb8cf5572e79..1ce63624c9b9 100644 --- a/arch/sh/boot/Makefile +++ b/arch/sh/boot/Makefile @@ -21,12 +21,15 @@ CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000 CONFIG_ENTRY_OFFSET ?= 0x00001000 suffix-y := bin -suffix-$(CONFIG_KERNEL_GZIP) := gz -suffix-$(CONFIG_KERNEL_BZIP2) := bz2 -suffix-$(CONFIG_KERNEL_LZMA) := lzma - -targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma uImage.bin -extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma +suffix-$(CONFIG_KERNEL_GZIP) := gz +suffix-$(CONFIG_KERNEL_BZIP2) := bz2 +suffix-$(CONFIG_KERNEL_LZMA) := lzma +suffix-$(CONFIG_KERNEL_LZO) := lzo + +targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \ + uImage.bz2 uImage.lzma uImage.lzo uImage.bin +extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ + vmlinux.bin.lzo subdir- := compressed romimage $(obj)/zImage: $(obj)/compressed/vmlinux FORCE @@ -43,15 +46,8 @@ $(obj)/romImage: $(obj)/romimage/vmlinux FORCE $(obj)/romimage/vmlinux: $(obj)/zImage FORCE $(Q)$(MAKE) $(build)=$(obj)/romimage $@ -KERNEL_MEMORY := 0x00000000 -ifeq ($(CONFIG_PMB_FIXED),y) -KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \ +KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \ $$[$(CONFIG_MEMORY_START) & 0x1fffffff]') -endif -ifeq ($(CONFIG_29BIT),y) -KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \ - $$[$(CONFIG_MEMORY_START)]') -endif KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \ $$[$(CONFIG_PAGE_OFFSET) + \ @@ -80,6 +76,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE $(call if_changed,lzma) +$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzo) + $(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 $(call if_changed,uimage,bzip2) @@ -89,6 +88,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma $(call if_changed,uimage,lzma) +$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo + $(call if_changed,uimage,lzo) + $(obj)/uImage.bin: $(obj)/vmlinux.bin $(call if_changed,uimage,none) diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile index 6182eca5180a..6b95a2a48267 100644 --- a/arch/sh/boot/compressed/Makefile +++ b/arch/sh/boot/compressed/Makefile @@ -6,6 +6,7 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz \ vmlinux.bin.bz2 vmlinux.bin.lzma \ + vmlinux.bin.lzo \ head_$(BITS).o misc.o piggy.o OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o @@ -47,6 +48,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE $(call if_changed,bzip2) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE $(call if_changed,lzma) +$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE + $(call if_changed,lzo) OBJCOPYFLAGS += -R .empty_zero_page diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c index b51b1fc4baae..4b319e9e4f88 100644 --- a/arch/sh/boot/compressed/misc.c +++ b/arch/sh/boot/compressed/misc.c @@ -62,6 +62,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_unlzma.c" #endif +#ifdef CONFIG_KERNEL_LZO +#include "../../../../lib/decompress_unlzo.c" +#endif + #ifdef CONFIG_SH_STANDARD_BIOS size_t strlen(const char *s) { diff --git a/arch/sh/configs/sdk7786_defconfig b/arch/sh/configs/sdk7786_defconfig new file mode 100644 index 000000000000..1721d2c5c7e8 --- /dev/null +++ b/arch/sh/configs/sdk7786_defconfig @@ -0,0 +1,1440 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.33-rc3 +# Thu Jan 14 20:37:44 2010 +# +CONFIG_SUPERH=y +CONFIG_SUPERH32=y +# CONFIG_SUPERH64 is not set +CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig" +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_IRQ_PER_CPU=y +# CONFIG_GENERIC_GPIO is not set +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +# CONFIG_ARCH_SUSPEND_POSSIBLE is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_SYS_SUPPORTS_HUGETLBFS=y +CONFIG_SYS_SUPPORTS_SMP=y +CONFIG_SYS_SUPPORTS_NUMA=y +CONFIG_SYS_SUPPORTS_TMU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_NO_VIRT_TO_BUS=y +CONFIG_ARCH_HAS_DEFAULT_IDLE=y +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y +CONFIG_DMA_COHERENT=y +# CONFIG_DMA_NONCOHERENT is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_BZIP2=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_KERNEL_GZIP=y +# CONFIG_KERNEL_BZIP2 is not set +# CONFIG_KERNEL_LZMA is not set +# CONFIG_KERNEL_LZO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_TREE_RCU=y +# CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set +CONFIG_RCU_TRACE=y +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +CONFIG_TREE_RCU_TRACE=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +CONFIG_RT_GROUP_SCHED=y +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_CGROUPS=y +# CONFIG_CGROUP_DEBUG is not set +CONFIG_CGROUP_NS=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_DEVICE=y +# CONFIG_CPUSETS is not set +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_CGROUP_MEM_RES_CTLR=y +# CONFIG_CGROUP_MEM_RES_CTLR_SWAP is not set +CONFIG_MM_OWNER=y +# CONFIG_SYSFS_DEPRECATED_V2 is not set +# CONFIG_RELAY is not set +CONFIG_NAMESPACES=y +CONFIG_UTS_NS=y +CONFIG_IPC_NS=y +CONFIG_USER_NS=y +CONFIG_PID_NS=y +CONFIG_NET_NS=y +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y + +# +# Kernel Performance Events And Counters +# +CONFIG_PERF_EVENTS=y +CONFIG_EVENT_PROFILE=y +# CONFIG_PERF_COUNTERS is not set +# CONFIG_DEBUG_PERF_USE_VMALLOC is not set +CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y +# CONFIG_OPROFILE is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_CLK=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_HW_BREAKPOINT=y + +# +# GCOV-based kernel profiling +# +# CONFIG_GCOV_KERNEL is not set +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set +CONFIG_BLK_CGROUP=y +# CONFIG_DEBUG_BLK_CGROUP is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_CFQ_GROUP_IOSCHED=y +# CONFIG_DEBUG_CFQ_IOSCHED is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +# CONFIG_INLINE_SPIN_UNLOCK is not set +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +# CONFIG_INLINE_READ_UNLOCK is not set +# CONFIG_INLINE_READ_UNLOCK_BH is not set +# CONFIG_INLINE_READ_UNLOCK_IRQ is not set +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +# CONFIG_INLINE_WRITE_UNLOCK is not set +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set +CONFIG_FREEZER=y + +# +# System type +# +CONFIG_CPU_SH4=y +CONFIG_CPU_SH4A=y +CONFIG_CPU_SHX3=y +# CONFIG_CPU_SUBTYPE_SH7619 is not set +# CONFIG_CPU_SUBTYPE_SH7201 is not set +# CONFIG_CPU_SUBTYPE_SH7203 is not set +# CONFIG_CPU_SUBTYPE_SH7206 is not set +# CONFIG_CPU_SUBTYPE_SH7263 is not set +# CONFIG_CPU_SUBTYPE_MXG is not set +# CONFIG_CPU_SUBTYPE_SH7705 is not set +# CONFIG_CPU_SUBTYPE_SH7706 is not set +# CONFIG_CPU_SUBTYPE_SH7707 is not set +# CONFIG_CPU_SUBTYPE_SH7708 is not set +# CONFIG_CPU_SUBTYPE_SH7709 is not set +# CONFIG_CPU_SUBTYPE_SH7710 is not set +# CONFIG_CPU_SUBTYPE_SH7712 is not set +# CONFIG_CPU_SUBTYPE_SH7720 is not set +# CONFIG_CPU_SUBTYPE_SH7721 is not set +# CONFIG_CPU_SUBTYPE_SH7750 is not set +# CONFIG_CPU_SUBTYPE_SH7091 is not set +# CONFIG_CPU_SUBTYPE_SH7750R is not set +# CONFIG_CPU_SUBTYPE_SH7750S is not set +# CONFIG_CPU_SUBTYPE_SH7751 is not set +# CONFIG_CPU_SUBTYPE_SH7751R is not set +# CONFIG_CPU_SUBTYPE_SH7760 is not set +# CONFIG_CPU_SUBTYPE_SH4_202 is not set +# CONFIG_CPU_SUBTYPE_SH7723 is not set +# CONFIG_CPU_SUBTYPE_SH7724 is not set +# CONFIG_CPU_SUBTYPE_SH7757 is not set +# CONFIG_CPU_SUBTYPE_SH7763 is not set +# CONFIG_CPU_SUBTYPE_SH7770 is not set +# CONFIG_CPU_SUBTYPE_SH7780 is not set +# CONFIG_CPU_SUBTYPE_SH7785 is not set +CONFIG_CPU_SUBTYPE_SH7786=y +# CONFIG_CPU_SUBTYPE_SHX3 is not set +# CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set +# CONFIG_CPU_SUBTYPE_SH7366 is not set + +# +# Memory management options +# +CONFIG_QUICKLIST=y +CONFIG_MMU=y +CONFIG_PAGE_OFFSET=0x80000000 +CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_MEMORY_START=0x60000000 +CONFIG_MEMORY_SIZE=0x08000000 +# CONFIG_29BIT is not set +CONFIG_32BIT=y +CONFIG_PMB=y +# CONFIG_PMB_LEGACY is not set +CONFIG_X2TLB=y +CONFIG_VSYSCALL=y +# CONFIG_NUMA is not set +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_ARCH_MEMORY_PROBE=y +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_16KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +# CONFIG_HUGETLB_PAGE_SIZE_64K is not set +# CONFIG_HUGETLB_PAGE_SIZE_256K is not set +CONFIG_HUGETLB_PAGE_SIZE_1MB=y +# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_512MB is not set +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +# CONFIG_DISCONTIGMEM_MANUAL is not set +CONFIG_SPARSEMEM_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_HAVE_MEMORY_PRESENT=y +CONFIG_SPARSEMEM_STATIC=y +CONFIG_MEMORY_HOTPLUG=y +CONFIG_MEMORY_HOTPLUG_SPARSE=y +CONFIG_MEMORY_HOTREMOVE=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=1 +CONFIG_KSM=y +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 + +# +# Cache configuration +# +CONFIG_CACHE_WRITEBACK=y +# CONFIG_CACHE_WRITETHROUGH is not set +# CONFIG_CACHE_OFF is not set + +# +# Processor features +# +CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_SH_FPU=y +CONFIG_SH_STORE_QUEUES=y +CONFIG_CPU_HAS_INTEVT=y +CONFIG_CPU_HAS_SR_RB=y +CONFIG_CPU_HAS_PTEAEX=y +CONFIG_CPU_HAS_FPU=y + +# +# Board support +# +CONFIG_SH_SDK7786=y +# CONFIG_SH_URQUELL is not set + +# +# Timer and clock configuration +# +CONFIG_SH_TIMER_TMU=y +CONFIG_SH_PCLK_FREQ=50000000 +CONFIG_SH_CLK_CPG=y +CONFIG_SH_CLK_CPG_LEGACY=y +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y + +# +# CPU Frequency scaling +# +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_TABLE=y +# CONFIG_CPU_FREQ_DEBUG is not set +CONFIG_CPU_FREQ_STAT=y +# CONFIG_CPU_FREQ_STAT_DETAILS is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_POWERSAVE=m +CONFIG_CPU_FREQ_GOV_USERSPACE=m +CONFIG_CPU_FREQ_GOV_ONDEMAND=m +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m +CONFIG_SH_CPU_FREQ=y + +# +# DMA support +# +# CONFIG_SH_DMA is not set + +# +# Companion Chips +# + +# +# Additional SuperH Device Drivers +# +CONFIG_HEARTBEAT=y +# CONFIG_PUSH_SWITCH is not set + +# +# Kernel features +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_SCHED_HRTICK=y +CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set +CONFIG_SECCOMP=y +# CONFIG_SMP is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_GUSA=y +CONFIG_SPARSE_IRQ=y + +# +# Boot options +# +CONFIG_ZERO_PAGE_OFFSET=0x00001000 +CONFIG_BOOT_LINK_OFFSET=0x00800000 +CONFIG_ENTRY_OFFSET=0x00001000 +CONFIG_CMDLINE_OVERWRITE=y +# CONFIG_CMDLINE_EXTEND is not set +CONFIG_CMDLINE="console=ttySC1,115200 earlyprintk=sh-sci.1,115200 root=/dev/nfs ip=dhcp" + +# +# Bus options +# +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_HAVE_AOUT is not set +CONFIG_BINFMT_MISC=y + +# +# Power management options (EXPERIMENTAL) +# +# CONFIG_PM is not set +# CONFIG_CPU_IDLE is not set +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +CONFIG_NET_KEY=y +# CONFIG_NET_KEY_MIGRATE is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_RDS is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_NET_DROP_MONITOR is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_DEVTMPFS is not set +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set + +# +# DRBD disabled because PROC_FS, INET or CONNECTOR not selected +# +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_AD525X_DPOT is not set +# CONFIG_ICS932S401 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_ISL29003 is not set +# CONFIG_DS1682 is not set +# CONFIG_TI_DAC7512 is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_AT25 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_MAX6875 is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_ATA_VERBOSE_ERROR=y +CONFIG_SATA_PMP=y +CONFIG_ATA_SFF=y +# CONFIG_SATA_MV is not set +CONFIG_PATA_PLATFORM=y +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set +# CONFIG_FIXED_PHY is not set +CONFIG_MDIO_BITBANG=y +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_STNIC is not set +CONFIG_SMC91X=y +# CONFIG_ENC28J60 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +CONFIG_SMSC911X=y +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +# CONFIG_KS8851 is not set +# CONFIG_KS8851_MLL is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set +CONFIG_WLAN=y +# CONFIG_USB_ZD1201 is not set +# CONFIG_HOSTAP is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_MAX3100 is not set +CONFIG_SERIAL_SH_SCI=y +CONFIG_SERIAL_SH_SCI_NR_UARTS=6 +CONFIG_SERIAL_SH_SCI_CONSOLE=y +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +# CONFIG_I2C_COMPAT is not set +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_DESIGNWARE is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_SDK7786=y +# CONFIG_I2C_SH_MOBILE is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_TSL2550 is not set +CONFIG_I2C_DEBUG_CORE=y +CONFIG_I2C_DEBUG_ALGO=y +CONFIG_I2C_DEBUG_BUS=y +CONFIG_I2C_DEBUG_CHIP=y +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +# CONFIG_SPI_BITBANG is not set +# CONFIG_SPI_SH_MSIOF is not set +# CONFIG_SPI_SH_SCI is not set +# CONFIG_SPI_XILINX is not set +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set + +# +# PPS support +# +# CONFIG_PPS is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +# CONFIG_SH_WDT is not set + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_MFD_SH_MOBILE_SDHI is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_PMIC_ADP5520 is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM831X is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_MFD_MC13783 is not set +# CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set +# CONFIG_MFD_88PM8607 is not set +# CONFIG_AB4500_CORE is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_SOUND is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=y +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_OHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set +CONFIG_USB_R8A66597_HCD=m +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_GADGET_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may +# + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_STORAGE is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +CONFIG_USB_GADGET=y +# CONFIG_USB_GADGET_DEBUG is not set +# CONFIG_USB_GADGET_DEBUG_FILES is not set +# CONFIG_USB_GADGET_DEBUG_FS is not set +CONFIG_USB_GADGET_VBUS_DRAW=2 +CONFIG_USB_GADGET_SELECTED=y +# CONFIG_USB_GADGET_AT91 is not set +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_PXA25X is not set +# CONFIG_USB_GADGET_R8A66597 is not set +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_S3C_HSOTG is not set +# CONFIG_USB_GADGET_IMX is not set +# CONFIG_USB_GADGET_S3C2410 is not set +CONFIG_USB_GADGET_M66592=y +CONFIG_USB_M66592=y +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_FSL_QE is not set +# CONFIG_USB_GADGET_CI13XXX is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_LANGWELL is not set +# CONFIG_USB_GADGET_DUMMY_HCD is not set +CONFIG_USB_GADGET_DUALSPEED=y +# CONFIG_USB_ZERO is not set +# CONFIG_USB_AUDIO is not set +# CONFIG_USB_ETH is not set +# CONFIG_USB_GADGETFS is not set +# CONFIG_USB_FILE_STORAGE is not set +# CONFIG_USB_MASS_STORAGE is not set +# CONFIG_USB_G_SERIAL is not set +# CONFIG_USB_MIDI_GADGET is not set +# CONFIG_USB_G_PRINTER is not set +# CONFIG_USB_CDC_COMPOSITE is not set +# CONFIG_USB_G_MULTI is not set + +# +# OTG and related infrastructure +# +# CONFIG_NOP_USB_XCEIV is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +CONFIG_RTC_DRV_MAX6900=y +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_SH=y +# CONFIG_RTC_DRV_GENERIC is not set +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +CONFIG_UIO=m +# CONFIG_UIO_PDRV is not set +# CONFIG_UIO_PDRV_GENIRQ is not set +# CONFIG_UIO_SMX is not set +# CONFIG_UIO_SERCOS3 is not set + +# +# TI VLYNQ +# +# CONFIG_STAGING is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +CONFIG_HUGETLBFS=y +CONFIG_HUGETLB_PAGE=y +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_SHIRQ=y +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +CONFIG_DEBUG_VM=y +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_DEBUG_CREDENTIALS is not set +CONFIG_FRAME_POINTER=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +# CONFIG_SYSCTL_SYSCALL_CHECK is not set +# CONFIG_PAGE_POISONING is not set +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_RING_BUFFER=y +CONFIG_EVENT_TRACING=y +CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_TRACING=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set +# CONFIG_FTRACE_SYSCALLS is not set +# CONFIG_BOOT_TRACER is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +CONFIG_KSYM_TRACER=y +# CONFIG_PROFILE_KSYM_TRACER is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_RING_BUFFER_BENCHMARK is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_DMA_API_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_SH_STANDARD_BIOS is not set +# CONFIG_STACK_DEBUG is not set +CONFIG_DEBUG_STACK_USAGE=y +# CONFIG_4KSTACKS is not set +CONFIG_DUMP_CODE=y +CONFIG_DWARF_UNWINDER=y +# CONFIG_SH_NO_BSS_INIT is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_MANAGER2 is not set +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_HW=y +CONFIG_BINARY_PRINTF=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y +CONFIG_NLATTR=y +CONFIG_GENERIC_ATOMIC64=y diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c index a9339a6174fc..2acbc793032d 100644 --- a/arch/sh/drivers/heartbeat.c +++ b/arch/sh/drivers/heartbeat.c @@ -1,7 +1,7 @@ /* * Generic heartbeat driver for regular LED banks * - * Copyright (C) 2007 Paul Mundt + * Copyright (C) 2007 - 2010 Paul Mundt * * Most SH reference boards include a number of individual LEDs that can * be independently controlled (either via a pre-defined hardware @@ -27,7 +27,7 @@ #include <asm/heartbeat.h> #define DRV_NAME "heartbeat" -#define DRV_VERSION "0.1.1" +#define DRV_VERSION "0.1.2" static unsigned char default_bit_pos[] = { 0, 1, 2, 3, 4, 5, 6, 7 }; @@ -98,7 +98,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev) return -ENOMEM; } - hd->base = ioremap_nocache(res->start, res->end - res->start + 1); + hd->base = ioremap_nocache(res->start, resource_size(res)); if (unlikely(!hd->base)) { dev_err(&pdev->dev, "ioremap failed\n"); @@ -117,8 +117,20 @@ static int heartbeat_drv_probe(struct platform_device *pdev) for (i = 0; i < hd->nr_bits; i++) hd->mask |= (1 << hd->bit_pos[i]); - if (!hd->regsize) - hd->regsize = 8; /* default access size */ + if (!hd->regsize) { + switch (res->flags & IORESOURCE_MEM_TYPE_MASK) { + case IORESOURCE_MEM_32BIT: + hd->regsize = 32; + break; + case IORESOURCE_MEM_16BIT: + hd->regsize = 16; + break; + case IORESOURCE_MEM_8BIT: + default: + hd->regsize = 8; + break; + } + } setup_timer(&hd->timer, heartbeat_timer, (unsigned long)hd); platform_set_drvdata(pdev, hd); diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile index 08af1f459756..2c458b602beb 100644 --- a/arch/sh/drivers/pci/Makefile +++ b/arch/sh/drivers/pci/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7751R) += pci-sh7751.o ops-sh4.o obj-$(CONFIG_CPU_SUBTYPE_SH7763) += pci-sh7780.o ops-sh4.o obj-$(CONFIG_CPU_SUBTYPE_SH7780) += pci-sh7780.o ops-sh4.o obj-$(CONFIG_CPU_SUBTYPE_SH7785) += pci-sh7780.o ops-sh4.o -obj-$(CONFIG_CPU_SUBTYPE_SH7786) += ops-sh7786.o +obj-$(CONFIG_CPU_SUBTYPE_SH7786) += pcie-sh7786.o ops-sh7786.o obj-$(CONFIG_CPU_SH5) += pci-sh5.o ops-sh5.o obj-$(CONFIG_SH_DREAMCAST) += ops-dreamcast.o fixups-dreamcast.o \ @@ -25,4 +25,3 @@ obj-$(CONFIG_SH_TITAN) += fixups-titan.o obj-$(CONFIG_SH_LANDISK) += fixups-landisk.o obj-$(CONFIG_SH_LBOX_RE2) += fixups-rts7751r2d.o obj-$(CONFIG_SH_CAYMAN) += fixups-cayman.o -obj-$(CONFIG_SH_URQUELL) += pcie-sh7786.o diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index e121c30f797d..46cb93477bcb 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -1,6 +1,8 @@ include include/asm-generic/Kbuild.asm -header-y += cachectl.h cpu-features.h +header-y += cachectl.h +header-y += cpu-features.h +header-y += hw_breakpoint.h unifdef-y += unistd_32.h unifdef-y += unistd_64.h diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h index 99d6b3ecbe22..268efd62ed21 100644 --- a/arch/sh/include/asm/addrspace.h +++ b/arch/sh/include/asm/addrspace.h @@ -28,7 +28,7 @@ /* Returns the privileged segment base of a given address */ #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) -#if defined(CONFIG_29BIT) || defined(CONFIG_PMB_FIXED) +#ifdef CONFIG_29BIT /* * Map an address to a certain privileged segment */ @@ -40,7 +40,15 @@ ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) #define P4SEGADDR(a) \ ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) -#endif /* 29BIT || PMB_FIXED */ +#else +/* + * These will never work in 32-bit, don't even bother. + */ +#define P1SEGADDR(a) __futile_remapping_attempt +#define P2SEGADDR(a) __futile_remapping_attempt +#define P3SEGADDR(a) __futile_remapping_attempt +#define P4SEGADDR(a) __futile_remapping_attempt +#endif #endif /* P1SEG */ /* Check if an address can be reached in 29 bits */ diff --git a/arch/sh/include/asm/alignment.h b/arch/sh/include/asm/alignment.h new file mode 100644 index 000000000000..b12efecf5294 --- /dev/null +++ b/arch/sh/include/asm/alignment.h @@ -0,0 +1,21 @@ +#ifndef __ASM_SH_ALIGNMENT_H +#define __ASM_SH_ALIGNMENT_H + +#include <linux/types.h> + +extern void inc_unaligned_byte_access(void); +extern void inc_unaligned_word_access(void); +extern void inc_unaligned_dword_access(void); +extern void inc_unaligned_multi_access(void); +extern void inc_unaligned_user_access(void); +extern void inc_unaligned_kernel_access(void); + +#define UM_WARN (1 << 0) +#define UM_FIXUP (1 << 1) +#define UM_SIGNAL (1 << 2) + +extern unsigned int unaligned_user_action(void); + +extern void unaligned_fixups_notify(struct task_struct *, insn_size_t, struct pt_regs *); + +#endif /* __ASM_SH_ALIGNMENT_H */ diff --git a/arch/sh/include/asm/atomic-grb.h b/arch/sh/include/asm/atomic-grb.h index 4c5b7dbfcedb..a273c88578fc 100644 --- a/arch/sh/include/asm/atomic-grb.h +++ b/arch/sh/include/asm/atomic-grb.h @@ -120,50 +120,4 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) : "memory" , "r0", "r1"); } -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - - __asm__ __volatile__ ( - " .align 2 \n\t" - " mova 1f, r0 \n\t" - " nop \n\t" - " mov r15, r1 \n\t" - " mov #-8, r15 \n\t" - " mov.l @%1, %0 \n\t" - " cmp/eq %2, %0 \n\t" - " bf 1f \n\t" - " mov.l %3, @%1 \n\t" - "1: mov r1, r15 \n\t" - : "=&r" (ret) - : "r" (v), "r" (old), "r" (new) - : "memory" , "r0", "r1" , "t"); - - return ret; -} - -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int ret; - unsigned long tmp; - - __asm__ __volatile__ ( - " .align 2 \n\t" - " mova 1f, r0 \n\t" - " nop \n\t" - " mov r15, r1 \n\t" - " mov #-12, r15 \n\t" - " mov.l @%2, %1 \n\t" - " mov %1, %0 \n\t" - " cmp/eq %4, %0 \n\t" - " bt/s 1f \n\t" - " add %3, %1 \n\t" - " mov.l %1, @%2 \n\t" - "1: mov r1, r15 \n\t" - : "=&r" (ret), "=&r" (tmp) - : "r" (v), "r" (a), "r" (u) - : "memory" , "r0", "r1" , "t"); - - return ret != u; -} #endif /* __ASM_SH_ATOMIC_GRB_H */ diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h index b040e1e08610..4b00b78e3f4f 100644 --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -104,31 +104,4 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) : "t"); } -#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - -/** - * atomic_add_unless - add unless the number is a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. - */ -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - - return c != (u); -} - #endif /* __ASM_SH_ATOMIC_LLSC_H */ diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index b16388d71954..275a448ae8c2 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -25,58 +25,43 @@ #endif #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) +#define atomic_dec_return(v) atomic_sub_return(1, (v)) +#define atomic_inc_return(v) atomic_add_return(1, (v)) +#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) +#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0) +#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#define atomic_dec_return(v) atomic_sub_return(1,(v)) -#define atomic_inc_return(v) atomic_add_return(1,(v)) +#define atomic_inc(v) atomic_add(1, (v)) +#define atomic_dec(v) atomic_sub(1, (v)) -/* - * atomic_inc_and_test - increment and test +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) + +/** + * atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) - -#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0) -#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) - -#define atomic_inc(v) atomic_add(1,(v)) -#define atomic_dec(v) atomic_sub(1,(v)) - -#if !defined(CONFIG_GUSA_RB) && !defined(CONFIG_CPU_SH4A) -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - local_irq_restore(flags); - - return ret; -} - static inline int atomic_add_unless(atomic_t *v, int a, int u) { - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (ret != u) - v->counter += a; - local_irq_restore(flags); - - return ret != u; + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + + return c != (u); } -#endif /* !CONFIG_GUSA_RB && !CONFIG_CPU_SH4A */ - -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define smp_mb__before_atomic_dec() smp_mb() #define smp_mb__after_atomic_dec() smp_mb() diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h index 5ac1e40a511c..38a1de866873 100644 --- a/arch/sh/include/asm/fixmap.h +++ b/arch/sh/include/asm/fixmap.h @@ -60,11 +60,20 @@ enum fixed_addresses { FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, #endif + /* + * FIX_IOREMAP entries are useful for mapping physical address + * space before ioremap() is useable, e.g. really early in boot + * before kmalloc() is working. + */ +#define FIX_N_IOREMAPS 32 + FIX_IOREMAP_BEGIN, + FIX_IOREMAP_END = FIX_IOREMAP_BEGIN + FIX_N_IOREMAPS, __end_of_fixed_addresses }; extern void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags); +extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags); #define set_fixmap(idx, phys) \ __set_fixmap(idx, phys, PAGE_KERNEL) diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h index fb6bbb9b1cc8..06c4281aab65 100644 --- a/arch/sh/include/asm/fpu.h +++ b/arch/sh/include/asm/fpu.h @@ -2,8 +2,8 @@ #define __ASM_SH_FPU_H #ifndef __ASSEMBLY__ -#include <linux/preempt.h> -#include <asm/ptrace.h> + +struct task_struct; #ifdef CONFIG_SH_FPU static inline void release_fpu(struct pt_regs *regs) @@ -16,22 +16,23 @@ static inline void grab_fpu(struct pt_regs *regs) regs->sr &= ~SR_FD; } -struct task_struct; - extern void save_fpu(struct task_struct *__tsk); -void fpu_state_restore(struct pt_regs *regs); +extern void restore_fpu(struct task_struct *__tsk); +extern void fpu_state_restore(struct pt_regs *regs); +extern void __fpu_state_restore(void); #else - -#define save_fpu(tsk) do { } while (0) -#define release_fpu(regs) do { } while (0) -#define grab_fpu(regs) do { } while (0) -#define fpu_state_restore(regs) do { } while (0) - +#define save_fpu(tsk) do { } while (0) +#define restore_fpu(tsk) do { } while (0) +#define release_fpu(regs) do { } while (0) +#define grab_fpu(regs) do { } while (0) +#define fpu_state_restore(regs) do { } while (0) +#define __fpu_state_restore(regs) do { } while (0) #endif struct user_regset; extern int do_fpu_inst(unsigned short, struct pt_regs *); +extern int init_fpu(struct task_struct *); extern int fpregs_get(struct task_struct *target, const struct user_regset *regset, @@ -65,18 +66,6 @@ static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs) preempt_enable(); } -static inline int init_fpu(struct task_struct *tsk) -{ - if (tsk_used_math(tsk)) { - if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current) - unlazy_fpu(tsk, task_pt_regs(tsk)); - return 0; - } - - set_stopped_child_used_math(tsk); - return 0; -} - #endif /* __ASSEMBLY__ */ #endif /* __ASM_SH_FPU_H */ diff --git a/arch/sh/include/asm/hw_breakpoint.h b/arch/sh/include/asm/hw_breakpoint.h new file mode 100644 index 000000000000..7295d6290249 --- /dev/null +++ b/arch/sh/include/asm/hw_breakpoint.h @@ -0,0 +1,67 @@ +#ifndef __ASM_SH_HW_BREAKPOINT_H +#define __ASM_SH_HW_BREAKPOINT_H + +#include <linux/kdebug.h> +#include <linux/types.h> + +#ifdef __KERNEL__ +#define __ARCH_HW_BREAKPOINT_H + +struct arch_hw_breakpoint { + char *name; /* Contains name of the symbol to set bkpt */ + unsigned long address; + u16 len; + u16 type; +}; + +enum { + SH_BREAKPOINT_READ = (1 << 1), + SH_BREAKPOINT_WRITE = (1 << 2), + SH_BREAKPOINT_RW = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE, + + SH_BREAKPOINT_LEN_1 = (1 << 12), + SH_BREAKPOINT_LEN_2 = (1 << 13), + SH_BREAKPOINT_LEN_4 = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2, + SH_BREAKPOINT_LEN_8 = (1 << 14), +}; + +struct sh_ubc { + const char *name; + unsigned int num_events; + unsigned int trap_nr; + void (*enable)(struct arch_hw_breakpoint *, int); + void (*disable)(struct arch_hw_breakpoint *, int); + void (*enable_all)(unsigned long); + void (*disable_all)(void); + unsigned long (*active_mask)(void); + unsigned long (*triggered_mask)(void); + void (*clear_triggered_mask)(unsigned long); + struct clk *clk; /* optional interface clock / MSTP bit */ +}; + +struct perf_event; +struct task_struct; +struct pmu; + +/* Maximum number of UBC channels */ +#define HBP_NUM 2 + +/* arch/sh/kernel/hw_breakpoint.c */ +extern int arch_check_va_in_userspace(unsigned long va, u16 hbp_len); +extern int arch_validate_hwbkpt_settings(struct perf_event *bp, + struct task_struct *tsk); +extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused, + unsigned long val, void *data); + +int arch_install_hw_breakpoint(struct perf_event *bp); +void arch_uninstall_hw_breakpoint(struct perf_event *bp); +void hw_breakpoint_pmu_read(struct perf_event *bp); +void hw_breakpoint_pmu_unthrottle(struct perf_event *bp); + +extern void arch_fill_perf_breakpoint(struct perf_event *bp); +extern int register_sh_ubc(struct sh_ubc *); + +extern struct pmu perf_ops_bp; + +#endif /* __KERNEL__ */ +#endif /* __ASM_SH_HW_BREAKPOINT_H */ diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 026dd659a640..bee5965e0a82 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -237,6 +237,12 @@ void __iomem *__ioremap_caller(unsigned long offset, unsigned long size, unsigned long flags, void *caller); void __iounmap(void __iomem *addr); +#ifdef CONFIG_IOREMAP_FIXED +extern void __iomem *ioremap_fixed(resource_size_t, unsigned long, pgprot_t); +extern void iounmap_fixed(void __iomem *); +extern void ioremap_fixed_init(void); +#endif + static inline void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags) { @@ -244,18 +250,11 @@ __ioremap(unsigned long offset, unsigned long size, unsigned long flags) } static inline void __iomem * -__ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) +__ioremap_29bit(unsigned long offset, unsigned long size, unsigned long flags) { -#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB) +#ifdef CONFIG_29BIT unsigned long last_addr = offset + size - 1; -#endif - void __iomem *ret; - - ret = __ioremap_trapped(offset, size); - if (ret) - return ret; -#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB) /* * For P1 and P2 space this is trivial, as everything is already * mapped. Uncached access for P1 addresses are done through P2. @@ -274,6 +273,22 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) return (void __iomem *)P4SEGADDR(offset); #endif + return NULL; +} + +static inline void __iomem * +__ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) +{ + void __iomem *ret; + + ret = __ioremap_trapped(offset, size); + if (ret) + return ret; + + ret = __ioremap_29bit(offset, size, flags); + if (ret) + return ret; + return __ioremap(offset, size, flags); } #else diff --git a/arch/sh/include/asm/kdebug.h b/arch/sh/include/asm/kdebug.h index 985219f9759e..5f6d2e9ccb7c 100644 --- a/arch/sh/include/asm/kdebug.h +++ b/arch/sh/include/asm/kdebug.h @@ -6,6 +6,8 @@ enum die_val { DIE_TRAP, DIE_NMI, DIE_OOPS, + DIE_BREAKPOINT, + DIE_SSTEP, }; #endif /* __ASM_SH_KDEBUG_H */ diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h index c7426ad9926e..e5e8f48830ef 100644 --- a/arch/sh/include/asm/mmu.h +++ b/arch/sh/include/asm/mmu.h @@ -30,6 +30,7 @@ #define PMB_NO_ENTRY (-1) #ifndef __ASSEMBLY__ +#include <linux/errno.h> /* Default "unsigned long" context */ typedef unsigned long mm_context_id_t[NR_CPUS]; @@ -65,11 +66,29 @@ struct pmb_entry { struct pmb_entry *link; }; +#ifdef CONFIG_PMB /* arch/sh/mm/pmb.c */ long pmb_remap(unsigned long virt, unsigned long phys, unsigned long size, unsigned long flags); void pmb_unmap(unsigned long addr); int pmb_init(void); +#else +static inline long pmb_remap(unsigned long virt, unsigned long phys, + unsigned long size, unsigned long flags) +{ + return -EINVAL; +} + +static inline void pmb_unmap(unsigned long addr) +{ +} + +static inline int pmb_init(void) +{ + return -ENODEV; +} +#endif /* CONFIG_PMB */ + #endif /* __ASSEMBLY__ */ #endif /* __MMU_H */ diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index 81bffc0d6860..61e58105adc3 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -88,7 +88,7 @@ typedef struct { unsigned long pgd; } pgd_t; #define __pte(x) ((pte_t) { (x) } ) #else typedef struct { unsigned long long pte_low; } pte_t; -typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct { unsigned long long pgprot; } pgprot_t; typedef struct { unsigned long pgd; } pgd_t; #define pte_val(x) ((x).pte_low) #define __pte(x) ((pte_t) { (x) } ) @@ -127,7 +127,7 @@ typedef struct page *pgtable_t; * is not visible (it is part of the PMB mapping) and so needs to be * added or subtracted as required. */ -#if defined(CONFIG_PMB_FIXED) +#if defined(CONFIG_PMB_LEGACY) /* phys = virt - PAGE_OFFSET - (__MEMORY_START & 0xe0000000) */ #define PMB_OFFSET (PAGE_OFFSET - PXSEG(__MEMORY_START)) #define __pa(x) ((unsigned long)(x) - PMB_OFFSET) diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index 63ca37bd9a95..8c00785c60d5 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -4,8 +4,16 @@ #include <linux/quicklist.h> #include <asm/page.h> -#define QUICK_PGD 0 /* We preserve special mappings over free */ -#define QUICK_PT 1 /* Other page table pages that are zero on free */ +#define QUICK_PT 0 /* Other page table pages that are zero on free */ + +extern pgd_t *pgd_alloc(struct mm_struct *); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); + +#if PAGETABLE_LEVELS > 2 +extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); +extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); +extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); +#endif static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) @@ -20,28 +28,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, } #define pmd_pgtable(pmd) pmd_page(pmd) -static inline void pgd_ctor(void *x) -{ - pgd_t *pgd = x; - - memcpy(pgd + USER_PTRS_PER_PGD, - swapper_pg_dir + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); -} - /* * Allocate and free page tables. */ -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor); -} - -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - quicklist_free(QUICK_PGD, NULL, pgd); -} - static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -81,7 +70,6 @@ do { \ static inline void check_pgt_cache(void) { - quicklist_trim(QUICK_PGD, NULL, 25, 16); quicklist_trim(QUICK_PT, NULL, 25, 16); } diff --git a/arch/sh/include/asm/pgtable-2level.h b/arch/sh/include/asm/pgtable-2level.h new file mode 100644 index 000000000000..19bd89db17e7 --- /dev/null +++ b/arch/sh/include/asm/pgtable-2level.h @@ -0,0 +1,23 @@ +#ifndef __ASM_SH_PGTABLE_2LEVEL_H +#define __ASM_SH_PGTABLE_2LEVEL_H + +#include <asm-generic/pgtable-nopmd.h> + +/* + * traditional two-level paging structure + */ +#define PAGETABLE_LEVELS 2 + +/* PTE bits */ +#define PTE_MAGNITUDE 2 /* 32-bit PTEs */ + +#define PTE_SHIFT PAGE_SHIFT +#define PTE_BITS (PTE_SHIFT - PTE_MAGNITUDE) + +/* PGD bits */ +#define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) + +#define PTRS_PER_PGD (PAGE_SIZE / (1 << PTE_MAGNITUDE)) +#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) + +#endif /* __ASM_SH_PGTABLE_2LEVEL_H */ diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h new file mode 100644 index 000000000000..249a985d9648 --- /dev/null +++ b/arch/sh/include/asm/pgtable-3level.h @@ -0,0 +1,56 @@ +#ifndef __ASM_SH_PGTABLE_3LEVEL_H +#define __ASM_SH_PGTABLE_3LEVEL_H + +#include <asm-generic/pgtable-nopud.h> + +/* + * Some cores need a 3-level page table layout, for example when using + * 64-bit PTEs and 4K pages. + */ +#define PAGETABLE_LEVELS 3 + +#define PTE_MAGNITUDE 3 /* 64-bit PTEs on SH-X2 TLB */ + +/* PGD bits */ +#define PGDIR_SHIFT 30 + +#define PTRS_PER_PGD 4 +#define USER_PTRS_PER_PGD 2 + +/* PMD bits */ +#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - PTE_MAGNITUDE)) +#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE-1)) + +#define PTRS_PER_PMD ((1 << PGDIR_SHIFT) / PMD_SIZE) + +#define pmd_ERROR(e) \ + printk("%s:%d: bad pmd %016llx.\n", __FILE__, __LINE__, pmd_val(e)) + +typedef struct { unsigned long long pmd; } pmd_t; +#define pmd_val(x) ((x).pmd) +#define __pmd(x) ((pmd_t) { (x) } ) + +static inline unsigned long pud_page_vaddr(pud_t pud) +{ + return pud_val(pud); +} + +#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) +static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) +{ + return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); +} + +#define pud_none(x) (!pud_val(x)) +#define pud_present(x) (pud_val(x)) +#define pud_clear(xp) do { set_pud(xp, __pud(0)); } while (0) +#define pud_bad(x) (pud_val(x) & ~PAGE_MASK) + +/* + * (puds are folded into pgds so this doesn't get actually called, + * but the define is needed for a generic inline function.) + */ +#define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0) + +#endif /* __ASM_SH_PGTABLE_3LEVEL_H */ diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index ba3046e4f06f..aab76528abb9 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -12,7 +12,11 @@ #ifndef __ASM_SH_PGTABLE_H #define __ASM_SH_PGTABLE_H -#include <asm-generic/pgtable-nopmd.h> +#ifdef CONFIG_X2TLB +#include <asm/pgtable-3level.h> +#else +#include <asm/pgtable-2level.h> +#endif #include <asm/page.h> #ifndef __ASSEMBLY__ @@ -51,28 +55,12 @@ static inline unsigned long long neff_sign_extend(unsigned long val) #define NPHYS_SIGN (1LL << (NPHYS - 1)) #define NPHYS_MASK (-1LL << NPHYS) -/* - * traditional two-level paging structure - */ -/* PTE bits */ -#if defined(CONFIG_X2TLB) || defined(CONFIG_SUPERH64) -# define PTE_MAGNITUDE 3 /* 64-bit PTEs on extended mode SH-X2 TLB */ -#else -# define PTE_MAGNITUDE 2 /* 32-bit PTEs */ -#endif -#define PTE_SHIFT PAGE_SHIFT -#define PTE_BITS (PTE_SHIFT - PTE_MAGNITUDE) - -/* PGD bits */ -#define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) #define PGDIR_SIZE (1UL << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) /* Entries per level */ #define PTRS_PER_PTE (PAGE_SIZE / (1 << PTE_MAGNITUDE)) -#define PTRS_PER_PGD (PAGE_SIZE / sizeof(pgd_t)) -#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) #define FIRST_USER_ADDRESS 0 #define PHYS_ADDR_MASK29 0x1fffffff @@ -153,9 +141,9 @@ typedef pte_t *pte_addr_t; #define pte_pfn(x) ((unsigned long)(((x).pte_low >> PAGE_SHIFT))) /* - * No page table caches to initialise + * Initialise the page table caches */ -#define pgtable_cache_init() do { } while (0) +extern void pgtable_cache_init(void); struct vm_area_struct; diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h index 5003ee86f67b..c573d45f1286 100644 --- a/arch/sh/include/asm/pgtable_32.h +++ b/arch/sh/include/asm/pgtable_32.h @@ -71,6 +71,8 @@ #define _PAGE_EXT_KERN_WRITE 0x1000 /* EPR4-bit: Kernel space writable */ #define _PAGE_EXT_KERN_READ 0x2000 /* EPR5-bit: Kernel space readable */ +#define _PAGE_EXT_WIRED 0x4000 /* software: Wire TLB entry */ + /* Wrapper for extended mode pgprot twiddling */ #define _PAGE_EXT(x) ((unsigned long long)(x) << 32) @@ -164,6 +166,8 @@ static inline unsigned long copy_ptea_attributes(unsigned long x) (PTE_MASK | _PAGE_ACCESSED | _PAGE_CACHABLE | \ _PAGE_DIRTY | _PAGE_SPECIAL) +#define _PAGE_WIRED (_PAGE_EXT(_PAGE_EXT_WIRED)) + #ifndef __ASSEMBLY__ #if defined(CONFIG_X2TLB) /* SH-X2 TLB */ diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h index 17cdbecc3adc..0ee46776dad6 100644 --- a/arch/sh/include/asm/pgtable_64.h +++ b/arch/sh/include/asm/pgtable_64.h @@ -43,11 +43,6 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval) } #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) -static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep) -{ - pmd_val(*pmdp) = (unsigned long) ptep; -} - /* * PGD defines. Top level. */ @@ -128,8 +123,21 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep) #define _PAGE_DIRTY 0x400 /* software: page accessed in write */ #define _PAGE_ACCESSED 0x800 /* software: page referenced */ +/* Wrapper for extended mode pgprot twiddling */ +#define _PAGE_EXT(x) ((unsigned long long)(x) << 32) + +/* + * We can use the sign-extended bits in the PTEL to get 32 bits of + * software flags. This works for now because no implementations uses + * anything above the PPN field. + */ +#define _PAGE_WIRED _PAGE_EXT(0x001) /* software: wire the tlb entry */ + +#define _PAGE_CLEAR_FLAGS (_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \ + _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED) + /* Mask which drops software flags */ -#define _PAGE_FLAGS_HARDWARE_MASK 0xfffffffffffff3dbLL +#define _PAGE_FLAGS_HARDWARE_MASK (NEFF_MASK & ~(_PAGE_CLEAR_FLAGS)) /* * HugeTLB support @@ -203,12 +211,6 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep) #define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE) /* - * Handling allocation failures during page table setup. - */ -extern void __handle_bad_pmd_kernel(pmd_t * pmd); -#define __handle_bad_pmd(x) __handle_bad_pmd_kernel(x) - -/* * PTE level access routines. * * Note1: diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index 1f3d6fab660c..5fd83125fb89 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -14,6 +14,7 @@ #include <asm/page.h> #include <asm/types.h> #include <asm/ptrace.h> +#include <asm/hw_breakpoint.h> /* * Default implementation of macro that returns current @@ -90,48 +91,40 @@ struct sh_fpu_soft_struct { unsigned long entry_pc; }; -union sh_fpu_union { - struct sh_fpu_hard_struct hard; - struct sh_fpu_soft_struct soft; +union thread_xstate { + struct sh_fpu_hard_struct hardfpu; + struct sh_fpu_soft_struct softfpu; }; +extern unsigned int xstate_size; +extern void free_thread_xstate(struct task_struct *); +extern struct kmem_cache *task_xstate_cachep; + struct thread_struct { /* Saved registers when thread is descheduled */ unsigned long sp; unsigned long pc; - /* Hardware debugging registers */ - unsigned long ubc_pc; - - /* floating point info */ - union sh_fpu_union fpu; + /* Save middle states of ptrace breakpoints */ + struct perf_event *ptrace_bps[HBP_NUM]; #ifdef CONFIG_SH_DSP /* Dsp status information */ struct sh_dsp_struct dsp_status; #endif -}; -/* Count of active tasks with UBC settings */ -extern int ubc_usercnt; + /* Extended processor state */ + union thread_xstate *xstate; +}; #define INIT_THREAD { \ .sp = sizeof(init_stack) + (long) &init_stack, \ } -/* - * Do necessary setup to start up a newly executed thread. - */ -#define start_thread(_regs, new_pc, new_sp) \ - set_fs(USER_DS); \ - _regs->pr = 0; \ - _regs->sr = SR_FD; /* User mode. */ \ - _regs->pc = new_pc; \ - _regs->regs[15] = new_sp - /* Forward declaration, a strange C thing */ struct task_struct; -struct mm_struct; + +extern void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp); /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h index 1dc12cb44a2d..201d11ef211f 100644 --- a/arch/sh/include/asm/ptrace.h +++ b/arch/sh/include/asm/ptrace.h @@ -124,6 +124,12 @@ struct task_struct; extern void user_enable_single_step(struct task_struct *); extern void user_disable_single_step(struct task_struct *); +struct perf_event; +struct perf_sample_data; + +extern void ptrace_triggered(struct perf_event *bp, int nmi, + struct perf_sample_data *data, struct pt_regs *regs); + #define task_pt_regs(task) \ ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1) diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h index ce3743599b27..4758325bb24a 100644 --- a/arch/sh/include/asm/setup.h +++ b/arch/sh/include/asm/setup.h @@ -18,7 +18,6 @@ /* ... */ #define COMMAND_LINE ((char *) (PARAM+0x100)) -int setup_early_printk(char *); void sh_mv_setup(void); #endif /* __KERNEL__ */ diff --git a/arch/sh/include/asm/sh_bios.h b/arch/sh/include/asm/sh_bios.h index d9c96d7cf6c7..95714c28422b 100644 --- a/arch/sh/include/asm/sh_bios.h +++ b/arch/sh/include/asm/sh_bios.h @@ -1,18 +1,27 @@ #ifndef __ASM_SH_BIOS_H #define __ASM_SH_BIOS_H +#ifdef CONFIG_SH_STANDARD_BIOS + /* * Copyright (C) 2000 Greg Banks, Mitch Davis * C API to interface to the standard LinuxSH BIOS * usually from within the early stages of kernel boot. */ - - extern void sh_bios_console_write(const char *buf, unsigned int len); -extern void sh_bios_char_out(char ch); extern void sh_bios_gdb_detach(void); extern void sh_bios_get_node_addr(unsigned char *node_addr); extern void sh_bios_shutdown(unsigned int how); +extern void sh_bios_vbr_init(void); +extern void sh_bios_vbr_reload(void); + +#else + +static inline void sh_bios_vbr_init(void) { } +static inline void sh_bios_vbr_reload(void) { } + +#endif /* CONFIG_SH_STANDARD_BIOS */ + #endif /* __ASM_SH_BIOS_H */ diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h index c15415b4b169..62e4fc1e4409 100644 --- a/arch/sh/include/asm/system.h +++ b/arch/sh/include/asm/system.h @@ -32,7 +32,7 @@ #define mb() __asm__ __volatile__ ("synco": : :"memory") #define rmb() mb() #define wmb() __asm__ __volatile__ ("synco": : :"memory") -#define ctrl_barrier() __icbi(0xa8000000) +#define ctrl_barrier() __icbi(PAGE_OFFSET) #define read_barrier_depends() do { } while(0) #else #define mb() __asm__ __volatile__ ("": : :"memory") @@ -144,8 +144,6 @@ void per_cpu_trap_init(void); void default_idle(void); void cpu_idle_wait(void); -asmlinkage void break_point_trap(void); - #ifdef CONFIG_SUPERH32 #define BUILD_TRAP_HANDLER(name) \ asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \ diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 1f3d927e2265..55a36fef6875 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -93,14 +93,16 @@ static inline struct thread_info *current_thread_info(void) #define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) -#else /* THREAD_SHIFT < PAGE_SHIFT */ - -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR +#endif extern struct thread_info *alloc_thread_info(struct task_struct *tsk); extern void free_thread_info(struct thread_info *ti); +extern void arch_task_cache_init(void); +#define arch_task_cache_init arch_task_cache_init +extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); +extern void init_thread_xstate(void); -#endif /* THREAD_SHIFT < PAGE_SHIFT */ +#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR #endif /* __ASSEMBLY__ */ diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index da8fe7ab8728..dfc8fcd8ee50 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -11,6 +11,7 @@ #ifdef CONFIG_MMU #include <asm/pgalloc.h> #include <asm/tlbflush.h> +#include <asm/mmu_context.h> /* * TLB handling. This allows us to remove pages from the page @@ -97,6 +98,62 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) #define tlb_migrate_finish(mm) do { } while (0) +#ifdef CONFIG_CPU_SH4 +extern void tlb_wire_entry(struct vm_area_struct *, unsigned long, pte_t); +extern void tlb_unwire_entry(void); +#elif defined(CONFIG_SUPERH64) +static int dtlb_entry; +static unsigned long long dtlb_entries[64]; + +static inline void tlb_wire_entry(struct vm_area_struct *vma, + unsigned long addr, pte_t pte) +{ + unsigned long long entry; + unsigned long paddr, flags; + + BUG_ON(dtlb_entry == 64); + + local_irq_save(flags); + + entry = sh64_get_wired_dtlb_entry(); + dtlb_entries[dtlb_entry++] = entry; + + paddr = pte_val(pte) & _PAGE_FLAGS_HARDWARE_MASK; + paddr &= ~PAGE_MASK; + + sh64_setup_tlb_slot(entry, addr, get_asid(), paddr); + + local_irq_restore(flags); +} + +static inline void tlb_unwire_entry(void) +{ + unsigned long long entry; + unsigned long flags; + + BUG_ON(!dtlb_entry); + + local_irq_save(flags); + entry = dtlb_entries[dtlb_entry--]; + + sh64_teardown_tlb_slot(entry); + sh64_put_wired_dtlb_entry(entry); + + local_irq_restore(flags); +} +#else +static inline void tlb_wire_entry(struct vm_area_struct *vma , + unsigned long addr, pte_t pte) +{ + BUG(); +} + +static inline void tlb_unwire_entry(void) +{ + BUG(); +} +#endif /* CONFIG_CPU_SH4 */ + #else /* CONFIG_MMU */ #define tlb_start_vma(tlb, vma) do { } while (0) diff --git a/arch/sh/include/asm/ubc.h b/arch/sh/include/asm/ubc.h deleted file mode 100644 index 9bf961684431..000000000000 --- a/arch/sh/include/asm/ubc.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * include/asm-sh/ubc.h - * - * Copyright (C) 1999 Niibe Yutaka - * Copyright (C) 2002, 2003 Paul Mundt - * - * 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. - */ -#ifndef __ASM_SH_UBC_H -#define __ASM_SH_UBC_H -#ifdef __KERNEL__ - -#include <cpu/ubc.h> - -/* User Break Controller */ -#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) -#define UBC_TYPE_SH7729 (current_cpu_data.type == CPU_SH7729) -#else -#define UBC_TYPE_SH7729 0 -#endif - -#define BAMR_ASID (1 << 2) -#define BAMR_NONE 0 -#define BAMR_10 0x1 -#define BAMR_12 0x2 -#define BAMR_ALL 0x3 -#define BAMR_16 0x8 -#define BAMR_20 0x9 - -#define BBR_INST (1 << 4) -#define BBR_DATA (2 << 4) -#define BBR_READ (1 << 2) -#define BBR_WRITE (2 << 2) -#define BBR_BYTE 0x1 -#define BBR_HALF 0x2 -#define BBR_LONG 0x3 -#define BBR_QUAD (1 << 6) /* SH7750 */ -#define BBR_CPU (1 << 6) /* SH7709A,SH7729 */ -#define BBR_DMA (2 << 6) /* SH7709A,SH7729 */ - -#define BRCR_CMFA (1 << 15) -#define BRCR_CMFB (1 << 14) - -#if defined CONFIG_CPU_SH2A -#define BRCR_CMFCA (1 << 15) -#define BRCR_CMFCB (1 << 14) -#define BRCR_CMFDA (1 << 13) -#define BRCR_CMFDB (1 << 12) -#define BRCR_PCBB (1 << 6) /* 1: after execution */ -#define BRCR_PCBA (1 << 5) /* 1: after execution */ -#define BRCR_PCTE 0 -#else -#define BRCR_PCTE (1 << 11) -#define BRCR_PCBA (1 << 10) /* 1: after execution */ -#define BRCR_DBEB (1 << 7) -#define BRCR_PCBB (1 << 6) -#define BRCR_SEQ (1 << 3) -#define BRCR_UBDE (1 << 0) -#endif - -#endif /* __KERNEL__ */ -#endif /* __ASM_SH_UBC_H */ diff --git a/arch/sh/include/cpu-sh2/cpu/ubc.h b/arch/sh/include/cpu-sh2/cpu/ubc.h deleted file mode 100644 index ba0e87f19c7a..000000000000 --- a/arch/sh/include/cpu-sh2/cpu/ubc.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * include/asm-sh/cpu-sh2/ubc.h - * - * Copyright (C) 2003 Paul Mundt - * - * 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. - */ -#ifndef __ASM_CPU_SH2_UBC_H -#define __ASM_CPU_SH2_UBC_H - -#define UBC_BARA 0xffffff40 -#define UBC_BAMRA 0xffffff44 -#define UBC_BBRA 0xffffff48 -#define UBC_BARB 0xffffff60 -#define UBC_BAMRB 0xffffff64 -#define UBC_BBRB 0xffffff68 -#define UBC_BDRB 0xffffff70 -#define UBC_BDMRB 0xffffff74 -#define UBC_BRCR 0xffffff78 - -/* - * We don't have any ASID changes to make in the UBC on the SH-2. - * - * Make these purposely invalid to track misuse. - */ -#define UBC_BASRA 0x00000000 -#define UBC_BASRB 0x00000000 - -#endif /* __ASM_CPU_SH2_UBC_H */ - diff --git a/arch/sh/include/cpu-sh3/cpu/ubc.h b/arch/sh/include/cpu-sh3/cpu/ubc.h deleted file mode 100644 index 4e6381d5ff7a..000000000000 --- a/arch/sh/include/cpu-sh3/cpu/ubc.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * include/asm-sh/cpu-sh3/ubc.h - * - * Copyright (C) 1999 Niibe Yutaka - * Copyright (C) 2003 Paul Mundt - * - * 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. - */ -#ifndef __ASM_CPU_SH3_UBC_H -#define __ASM_CPU_SH3_UBC_H - -#if defined(CONFIG_CPU_SUBTYPE_SH7710) || \ - defined(CONFIG_CPU_SUBTYPE_SH7720) || \ - defined(CONFIG_CPU_SUBTYPE_SH7721) -#define UBC_BARA 0xa4ffffb0 -#define UBC_BAMRA 0xa4ffffb4 -#define UBC_BBRA 0xa4ffffb8 -#define UBC_BASRA 0xffffffe4 -#define UBC_BARB 0xa4ffffa0 -#define UBC_BAMRB 0xa4ffffa4 -#define UBC_BBRB 0xa4ffffa8 -#define UBC_BASRB 0xffffffe8 -#define UBC_BDRB 0xa4ffff90 -#define UBC_BDMRB 0xa4ffff94 -#define UBC_BRCR 0xa4ffff98 -#else -#define UBC_BARA 0xffffffb0 -#define UBC_BAMRA 0xffffffb4 -#define UBC_BBRA 0xffffffb8 -#define UBC_BASRA 0xffffffe4 -#define UBC_BARB 0xffffffa0 -#define UBC_BAMRB 0xffffffa4 -#define UBC_BBRB 0xffffffa8 -#define UBC_BASRB 0xffffffe8 -#define UBC_BDRB 0xffffff90 -#define UBC_BDMRB 0xffffff94 -#define UBC_BRCR 0xffffff98 -#endif - -#endif /* __ASM_CPU_SH3_UBC_H */ diff --git a/arch/sh/include/cpu-sh4/cpu/mmu_context.h b/arch/sh/include/cpu-sh4/cpu/mmu_context.h index 3ce7ef6c2978..03ea75c5315d 100644 --- a/arch/sh/include/cpu-sh4/cpu/mmu_context.h +++ b/arch/sh/include/cpu-sh4/cpu/mmu_context.h @@ -25,6 +25,10 @@ #define MMUCR_TI (1<<2) +#define MMUCR_URB 0x00FC0000 +#define MMUCR_URB_SHIFT 18 +#define MMUCR_URB_NENTRIES 64 + #if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40) #define MMUCR_SE (1 << 4) #else diff --git a/arch/sh/include/cpu-sh4/cpu/ubc.h b/arch/sh/include/cpu-sh4/cpu/ubc.h deleted file mode 100644 index c86e17050935..000000000000 --- a/arch/sh/include/cpu-sh4/cpu/ubc.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * include/asm-sh/cpu-sh4/ubc.h - * - * Copyright (C) 1999 Niibe Yutaka - * Copyright (C) 2003 Paul Mundt - * Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC - * - * 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. - */ -#ifndef __ASM_CPU_SH4_UBC_H -#define __ASM_CPU_SH4_UBC_H - -#if defined(CONFIG_CPU_SH4A) -#define UBC_CBR0 0xff200000 -#define UBC_CRR0 0xff200004 -#define UBC_CAR0 0xff200008 -#define UBC_CAMR0 0xff20000c -#define UBC_CBR1 0xff200020 -#define UBC_CRR1 0xff200024 -#define UBC_CAR1 0xff200028 -#define UBC_CAMR1 0xff20002c -#define UBC_CDR1 0xff200030 -#define UBC_CDMR1 0xff200034 -#define UBC_CETR1 0xff200038 -#define UBC_CCMFR 0xff200600 -#define UBC_CBCR 0xff200620 - -/* CBR */ -#define UBC_CBR_AIE (0x01<<30) -#define UBC_CBR_ID_INST (0x01<<4) -#define UBC_CBR_RW_READ (0x01<<1) -#define UBC_CBR_CE (0x01) - -#define UBC_CBR_AIV_MASK (0x00FF0000) -#define UBC_CBR_AIV_SHIFT (16) -#define UBC_CBR_AIV_SET(asid) (((asid)<<UBC_CBR_AIV_SHIFT) & UBC_CBR_AIV_MASK) - -#define UBC_CBR_INIT 0x20000000 - -/* CRR */ -#define UBC_CRR_RES (0x01<<13) -#define UBC_CRR_PCB (0x01<<1) -#define UBC_CRR_BIE (0x01) - -#define UBC_CRR_INIT 0x00002000 - -#else /* CONFIG_CPU_SH4 */ -#define UBC_BARA 0xff200000 -#define UBC_BAMRA 0xff200004 -#define UBC_BBRA 0xff200008 -#define UBC_BASRA 0xff000014 -#define UBC_BARB 0xff20000c -#define UBC_BAMRB 0xff200010 -#define UBC_BBRB 0xff200014 -#define UBC_BASRB 0xff000018 -#define UBC_BDRB 0xff200018 -#define UBC_BDMRB 0xff20001c -#define UBC_BRCR 0xff200020 -#endif /* CONFIG_CPU_SH4 */ - -#endif /* __ASM_CPU_SH4_UBC_H */ - diff --git a/arch/sh/include/mach-se/mach/se7343.h b/arch/sh/include/mach-se/mach/se7343.h index 749914b400fb..8d8170d6cc43 100644 --- a/arch/sh/include/mach-se/mach/se7343.h +++ b/arch/sh/include/mach-se/mach/se7343.h @@ -94,26 +94,26 @@ #define PORT_DRVCR 0xA4050180 -#define PORT_PADR 0xA4050120 -#define PORT_PBDR 0xA4050122 -#define PORT_PCDR 0xA4050124 -#define PORT_PDDR 0xA4050126 -#define PORT_PEDR 0xA4050128 -#define PORT_PFDR 0xA405012A -#define PORT_PGDR 0xA405012C -#define PORT_PHDR 0xA405012E -#define PORT_PJDR 0xA4050130 -#define PORT_PKDR 0xA4050132 -#define PORT_PLDR 0xA4050134 -#define PORT_PMDR 0xA4050136 -#define PORT_PNDR 0xA4050138 -#define PORT_PQDR 0xA405013A -#define PORT_PRDR 0xA405013C -#define PORT_PTDR 0xA4050160 -#define PORT_PUDR 0xA4050162 -#define PORT_PVDR 0xA4050164 -#define PORT_PWDR 0xA4050166 -#define PORT_PYDR 0xA4050168 +#define PORT_PADR 0xA4050120 +#define PORT_PBDR 0xA4050122 +#define PORT_PCDR 0xA4050124 +#define PORT_PDDR 0xA4050126 +#define PORT_PEDR 0xA4050128 +#define PORT_PFDR 0xA405012A +#define PORT_PGDR 0xA405012C +#define PORT_PHDR 0xA405012E +#define PORT_PJDR 0xA4050130 +#define PORT_PKDR 0xA4050132 +#define PORT_PLDR 0xA4050134 +#define PORT_PMDR 0xA4050136 +#define PORT_PNDR 0xA4050138 +#define PORT_PQDR 0xA405013A +#define PORT_PRDR 0xA405013C +#define PORT_PTDR 0xA4050160 +#define PORT_PUDR 0xA4050162 +#define PORT_PVDR 0xA4050164 +#define PORT_PWDR 0xA4050166 +#define PORT_PYDR 0xA4050168 #define FPGA_IN 0xb1400000 #define FPGA_OUT 0xb1400002 @@ -133,18 +133,10 @@ #define SE7343_FPGA_IRQ_UARTB 11 #define SE7343_FPGA_IRQ_NR 12 -#define SE7343_FPGA_IRQ_BASE 120 - -#define MRSHPC_IRQ3 (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_MRSHPC3) -#define MRSHPC_IRQ2 (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_MRSHPC2) -#define MRSHPC_IRQ1 (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_MRSHPC1) -#define MRSHPC_IRQ0 (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_MRSHPC0) -#define SMC_IRQ (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_SMC) -#define USB_IRQ (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_USB) -#define UARTA_IRQ (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_UARTA) -#define UARTB_IRQ (SE7343_FPGA_IRQ_BASE + SE7343_FPGA_IRQ_UARTB) /* arch/sh/boards/se/7343/irq.c */ +extern unsigned int se7343_fpga_irq[]; + void init_7343se_IRQ(void); #endif /* __ASM_SH_HITACHI_SE7343_H */ diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 0d587da1ef12..56704a6d723a 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -13,8 +13,8 @@ CFLAGS_REMOVE_return_address.o = -pg obj-y := debugtraps.o dma-nommu.o dumpstack.o \ idle.o io.o io_generic.o irq.o \ - irq_$(BITS).o machvec.o nmi_debug.o process_$(BITS).o \ - ptrace_$(BITS).o return_address.o \ + irq_$(BITS).o machvec.o nmi_debug.o process.o \ + process_$(BITS).o ptrace_$(BITS).o return_address.o \ setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o \ syscalls_$(BITS).o time.o topology.o traps.o \ traps_$(BITS).o unwinder.o @@ -22,7 +22,7 @@ obj-y := debugtraps.o dma-nommu.o dumpstack.o \ obj-y += cpu/ obj-$(CONFIG_VSYSCALL) += vsyscall/ obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o early_printk.o +obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o obj-$(CONFIG_KGDB) += kgdb.o obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o obj-$(CONFIG_MODULES) += sh_ksyms_$(BITS).o module.o @@ -39,6 +39,7 @@ obj-$(CONFIG_HIBERNATION) += swsusp.o obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_callchain.o +obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o EXTRA_CFLAGS += -Werror diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index d97c803719ec..0e48bc61c272 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -17,5 +17,7 @@ obj-$(CONFIG_ARCH_SHMOBILE) += shmobile/ obj-$(CONFIG_SH_ADC) += adc.o obj-$(CONFIG_SH_CLK_CPG) += clock-cpg.o +obj-$(CONFIG_SH_FPU) += fpu.o +obj-$(CONFIG_SH_FPU_EMU) += fpu.o obj-y += irq/ init.o clock.o hwblk.o diff --git a/arch/sh/kernel/cpu/fpu.c b/arch/sh/kernel/cpu/fpu.c new file mode 100644 index 000000000000..f059ed62cf57 --- /dev/null +++ b/arch/sh/kernel/cpu/fpu.c @@ -0,0 +1,84 @@ +#include <linux/sched.h> +#include <asm/processor.h> +#include <asm/fpu.h> + +int init_fpu(struct task_struct *tsk) +{ + if (tsk_used_math(tsk)) { + if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current) + unlazy_fpu(tsk, task_pt_regs(tsk)); + return 0; + } + + /* + * Memory allocation at the first usage of the FPU and other state. + */ + if (!tsk->thread.xstate) { + tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep, + GFP_KERNEL); + if (!tsk->thread.xstate) + return -ENOMEM; + } + + if (boot_cpu_data.flags & CPU_HAS_FPU) { + struct sh_fpu_hard_struct *fp = &tsk->thread.xstate->hardfpu; + memset(fp, 0, xstate_size); + fp->fpscr = FPSCR_INIT; + } else { + struct sh_fpu_soft_struct *fp = &tsk->thread.xstate->softfpu; + memset(fp, 0, xstate_size); + fp->fpscr = FPSCR_INIT; + } + + set_stopped_child_used_math(tsk); + return 0; +} + +#ifdef CONFIG_SH_FPU +void __fpu_state_restore(void) +{ + struct task_struct *tsk = current; + + restore_fpu(tsk); + + task_thread_info(tsk)->status |= TS_USEDFPU; + tsk->fpu_counter++; +} + +void fpu_state_restore(struct pt_regs *regs) +{ + struct task_struct *tsk = current; + + if (unlikely(!user_mode(regs))) { + printk(KERN_ERR "BUG: FPU is used in kernel mode.\n"); + BUG(); + return; + } + + if (!tsk_used_math(tsk)) { + local_irq_enable(); + /* + * does a slab alloc which can sleep + */ + if (init_fpu(tsk)) { + /* + * ran out of memory! + */ + do_group_exit(SIGKILL); + return; + } + local_irq_disable(); + } + + grab_fpu(regs); + + __fpu_state_restore(); +} + +BUILD_TRAP_HANDLER(fpu_state_restore) +{ + TRAP_HANDLER_DECL; + + fpu_state_restore(regs); +} +#endif /* CONFIG_SH_FPU */ diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 89b4b76c0d76..a5bb0550bbf3 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -24,22 +24,31 @@ #include <asm/elf.h> #include <asm/io.h> #include <asm/smp.h> -#ifdef CONFIG_SUPERH32 -#include <asm/ubc.h> + +#ifdef CONFIG_SH_FPU +#define cpu_has_fpu 1 +#else +#define cpu_has_fpu 0 +#endif + +#ifdef CONFIG_SH_DSP +#define cpu_has_dsp 1 +#else +#define cpu_has_dsp 0 #endif /* * Generic wrapper for command line arguments to disable on-chip * peripherals (nofpu, nodsp, and so forth). */ -#define onchip_setup(x) \ -static int x##_disabled __initdata = 0; \ - \ -static int __init x##_setup(char *opts) \ -{ \ - x##_disabled = 1; \ - return 1; \ -} \ +#define onchip_setup(x) \ +static int x##_disabled __initdata = !cpu_has_##x; \ + \ +static int __init x##_setup(char *opts) \ +{ \ + x##_disabled = 1; \ + return 1; \ +} \ __setup("no" __stringify(x), x##_setup); onchip_setup(fpu); @@ -207,6 +216,18 @@ static void detect_cache_shape(void) l2_cache_shape = -1; /* No S-cache */ } +static void __init fpu_init(void) +{ + /* Disable the FPU */ + if (fpu_disabled && (current_cpu_data.flags & CPU_HAS_FPU)) { + printk("FPU Disabled\n"); + current_cpu_data.flags &= ~CPU_HAS_FPU; + } + + disable_fpu(); + clear_used_math(); +} + #ifdef CONFIG_SH_DSP static void __init release_dsp(void) { @@ -244,28 +265,35 @@ static void __init dsp_init(void) if (sr & SR_DSP) current_cpu_data.flags |= CPU_HAS_DSP; + /* Disable the DSP */ + if (dsp_disabled && (current_cpu_data.flags & CPU_HAS_DSP)) { + printk("DSP Disabled\n"); + current_cpu_data.flags &= ~CPU_HAS_DSP; + } + /* Now that we've determined the DSP status, clear the DSP bit. */ release_dsp(); } +#else +static inline void __init dsp_init(void) { } #endif /* CONFIG_SH_DSP */ /** * sh_cpu_init * - * This is our initial entry point for each CPU, and is invoked on the boot - * CPU prior to calling start_kernel(). For SMP, a combination of this and - * start_secondary() will bring up each processor to a ready state prior - * to hand forking the idle loop. + * This is our initial entry point for each CPU, and is invoked on the + * boot CPU prior to calling start_kernel(). For SMP, a combination of + * this and start_secondary() will bring up each processor to a ready + * state prior to hand forking the idle loop. * - * We do all of the basic processor init here, including setting up the - * caches, FPU, DSP, kicking the UBC, etc. By the time start_kernel() is - * hit (and subsequently platform_setup()) things like determining the - * CPU subtype and initial configuration will all be done. + * We do all of the basic processor init here, including setting up + * the caches, FPU, DSP, etc. By the time start_kernel() is hit (and + * subsequently platform_setup()) things like determining the CPU + * subtype and initial configuration will all be done. * * Each processor family is still responsible for doing its own probing * and cache configuration in detect_cpu_and_cache_system(). */ - asmlinkage void __init sh_cpu_init(void) { current_thread_info()->cpu = hard_smp_processor_id(); @@ -302,18 +330,8 @@ asmlinkage void __init sh_cpu_init(void) detect_cache_shape(); } - /* Disable the FPU */ - if (fpu_disabled) { - printk("FPU Disabled\n"); - current_cpu_data.flags &= ~CPU_HAS_FPU; - } - - /* FPU initialization */ - disable_fpu(); - if ((current_cpu_data.flags & CPU_HAS_FPU)) { - current_thread_info()->status &= ~TS_USEDFPU; - clear_used_math(); - } + fpu_init(); + dsp_init(); /* * Initialize the per-CPU ASID cache very early, since the @@ -321,18 +339,12 @@ asmlinkage void __init sh_cpu_init(void) */ current_cpu_data.asid_cache = NO_CONTEXT; -#ifdef CONFIG_SH_DSP - /* Probe for DSP */ - dsp_init(); - - /* Disable the DSP */ - if (dsp_disabled) { - printk("DSP Disabled\n"); - current_cpu_data.flags &= ~CPU_HAS_DSP; - release_dsp(); - } -#endif - speculative_execution_init(); expmask_init(); + + /* + * Boot processor to setup the FP and extended state context info. + */ + if (raw_smp_processor_id() == 0) + init_thread_xstate(); } diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c index d395ce5740e7..488d24e0cdf0 100644 --- a/arch/sh/kernel/cpu/sh2a/fpu.c +++ b/arch/sh/kernel/cpu/sh2a/fpu.c @@ -26,8 +26,7 @@ /* * Save FPU registers onto task structure. */ -void -save_fpu(struct task_struct *tsk) +void save_fpu(struct task_struct *tsk) { unsigned long dummy; @@ -52,7 +51,7 @@ save_fpu(struct task_struct *tsk) "fmov.s fr0, @-%0\n\t" "lds %3, fpscr\n\t" : "=r" (dummy) - : "0" ((char *)(&tsk->thread.fpu.hard.status)), + : "0" ((char *)(&tsk->thread.xstate->hardfpu.status)), "r" (FPSCR_RCHG), "r" (FPSCR_INIT) : "memory"); @@ -60,8 +59,7 @@ save_fpu(struct task_struct *tsk) disable_fpu(); } -static void -restore_fpu(struct task_struct *tsk) +void restore_fpu(struct task_struct *tsk) { unsigned long dummy; @@ -85,45 +83,12 @@ restore_fpu(struct task_struct *tsk) "lds.l @%0+, fpscr\n\t" "lds.l @%0+, fpul\n\t" : "=r" (dummy) - : "0" (&tsk->thread.fpu), "r" (FPSCR_RCHG) + : "0" (tsk->thread.xstate), "r" (FPSCR_RCHG) : "memory"); disable_fpu(); } /* - * Load the FPU with signalling NANS. This bit pattern we're using - * has the property that no matter wether considered as single or as - * double precission represents signaling NANS. - */ - -static void -fpu_init(void) -{ - enable_fpu(); - asm volatile("lds %0, fpul\n\t" - "fsts fpul, fr0\n\t" - "fsts fpul, fr1\n\t" - "fsts fpul, fr2\n\t" - "fsts fpul, fr3\n\t" - "fsts fpul, fr4\n\t" - "fsts fpul, fr5\n\t" - "fsts fpul, fr6\n\t" - "fsts fpul, fr7\n\t" - "fsts fpul, fr8\n\t" - "fsts fpul, fr9\n\t" - "fsts fpul, fr10\n\t" - "fsts fpul, fr11\n\t" - "fsts fpul, fr12\n\t" - "fsts fpul, fr13\n\t" - "fsts fpul, fr14\n\t" - "fsts fpul, fr15\n\t" - "lds %2, fpscr\n\t" - : /* no output */ - : "r" (0), "r" (FPSCR_RCHG), "r" (FPSCR_INIT)); - disable_fpu(); -} - -/* * Emulate arithmetic ops on denormalized number for some FPU insns. */ @@ -490,9 +455,9 @@ ieee_fpe_handler (struct pt_regs *regs) if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */ struct task_struct *tsk = current; - if ((tsk->thread.fpu.hard.fpscr & FPSCR_FPU_ERROR)) { + if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_FPU_ERROR)) { /* FPU error */ - denormal_to_double (&tsk->thread.fpu.hard, + denormal_to_double (&tsk->thread.xstate->hardfpu, (finsn >> 8) & 0xf); } else return 0; @@ -507,9 +472,9 @@ ieee_fpe_handler (struct pt_regs *regs) n = (finsn >> 8) & 0xf; m = (finsn >> 4) & 0xf; - hx = tsk->thread.fpu.hard.fp_regs[n]; - hy = tsk->thread.fpu.hard.fp_regs[m]; - fpscr = tsk->thread.fpu.hard.fpscr; + hx = tsk->thread.xstate->hardfpu.fp_regs[n]; + hy = tsk->thread.xstate->hardfpu.fp_regs[m]; + fpscr = tsk->thread.xstate->hardfpu.fpscr; prec = fpscr & (1 << 19); if ((fpscr & FPSCR_FPU_ERROR) @@ -519,15 +484,15 @@ ieee_fpe_handler (struct pt_regs *regs) /* FPU error because of denormal */ llx = ((long long) hx << 32) - | tsk->thread.fpu.hard.fp_regs[n+1]; + | tsk->thread.xstate->hardfpu.fp_regs[n+1]; lly = ((long long) hy << 32) - | tsk->thread.fpu.hard.fp_regs[m+1]; + | tsk->thread.xstate->hardfpu.fp_regs[m+1]; if ((hx & 0x7fffffff) >= 0x00100000) llx = denormal_muld(lly, llx); else llx = denormal_muld(llx, lly); - tsk->thread.fpu.hard.fp_regs[n] = llx >> 32; - tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff; + tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32; + tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff; } else if ((fpscr & FPSCR_FPU_ERROR) && (!prec && ((hx & 0x7fffffff) < 0x00800000 || (hy & 0x7fffffff) < 0x00800000))) { @@ -536,7 +501,7 @@ ieee_fpe_handler (struct pt_regs *regs) hx = denormal_mulf(hy, hx); else hx = denormal_mulf(hx, hy); - tsk->thread.fpu.hard.fp_regs[n] = hx; + tsk->thread.xstate->hardfpu.fp_regs[n] = hx; } else return 0; @@ -550,9 +515,9 @@ ieee_fpe_handler (struct pt_regs *regs) n = (finsn >> 8) & 0xf; m = (finsn >> 4) & 0xf; - hx = tsk->thread.fpu.hard.fp_regs[n]; - hy = tsk->thread.fpu.hard.fp_regs[m]; - fpscr = tsk->thread.fpu.hard.fpscr; + hx = tsk->thread.xstate->hardfpu.fp_regs[n]; + hy = tsk->thread.xstate->hardfpu.fp_regs[m]; + fpscr = tsk->thread.xstate->hardfpu.fpscr; prec = fpscr & (1 << 19); if ((fpscr & FPSCR_FPU_ERROR) @@ -562,15 +527,15 @@ ieee_fpe_handler (struct pt_regs *regs) /* FPU error because of denormal */ llx = ((long long) hx << 32) - | tsk->thread.fpu.hard.fp_regs[n+1]; + | tsk->thread.xstate->hardfpu.fp_regs[n+1]; lly = ((long long) hy << 32) - | tsk->thread.fpu.hard.fp_regs[m+1]; + | tsk->thread.xstate->hardfpu.fp_regs[m+1]; if ((finsn & 0xf00f) == 0xf000) llx = denormal_addd(llx, lly); else llx = denormal_addd(llx, lly ^ (1LL << 63)); - tsk->thread.fpu.hard.fp_regs[n] = llx >> 32; - tsk->thread.fpu.hard.fp_regs[n+1] = llx & 0xffffffff; + tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32; + tsk->thread.xstate->hardfpu.fp_regs[n+1] = llx & 0xffffffff; } else if ((fpscr & FPSCR_FPU_ERROR) && (!prec && ((hx & 0x7fffffff) < 0x00800000 || (hy & 0x7fffffff) < 0x00800000))) { @@ -579,7 +544,7 @@ ieee_fpe_handler (struct pt_regs *regs) hx = denormal_addf(hx, hy); else hx = denormal_addf(hx, hy ^ 0x80000000); - tsk->thread.fpu.hard.fp_regs[n] = hx; + tsk->thread.xstate->hardfpu.fp_regs[n] = hx; } else return 0; @@ -597,7 +562,7 @@ BUILD_TRAP_HANDLER(fpu_error) __unlazy_fpu(tsk, regs); if (ieee_fpe_handler(regs)) { - tsk->thread.fpu.hard.fpscr &= + tsk->thread.xstate->hardfpu.fpscr &= ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK); grab_fpu(regs); restore_fpu(tsk); @@ -607,33 +572,3 @@ BUILD_TRAP_HANDLER(fpu_error) force_sig(SIGFPE, tsk); } - -void fpu_state_restore(struct pt_regs *regs) -{ - struct task_struct *tsk = current; - - grab_fpu(regs); - if (unlikely(!user_mode(regs))) { - printk(KERN_ERR "BUG: FPU is used in kernel mode.\n"); - BUG(); - return; - } - - if (likely(used_math())) { - /* Using the FPU again. */ - restore_fpu(tsk); - } else { - /* First time FPU user. */ - fpu_init(); - set_used_math(); - } - task_thread_info(tsk)->status |= TS_USEDFPU; - tsk->fpu_counter++; -} - -BUILD_TRAP_HANDLER(fpu_state_restore) -{ - TRAP_HANDLER_DECL; - - fpu_state_restore(regs); -} diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S index 46610c35c232..99b4d020179a 100644 --- a/arch/sh/kernel/cpu/sh3/ex.S +++ b/arch/sh/kernel/cpu/sh3/ex.S @@ -49,7 +49,7 @@ ENTRY(exception_handling_table) .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */ .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/ .long nmi_trap_handler /* 1C0 */ ! Allow trap to debugger - .long break_point_trap /* 1E0 */ + .long breakpoint_trap_handler /* 1E0 */ /* * Pad the remainder of the table out, exceptions residing in far diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index e97857aec8a0..447482d7f65e 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -85,14 +85,14 @@ void save_fpu(struct task_struct *tsk) "fmov.s fr1, @-%0\n\t" "fmov.s fr0, @-%0\n\t" "lds %3, fpscr\n\t":"=r" (dummy) - :"0"((char *)(&tsk->thread.fpu.hard.status)), + :"0"((char *)(&tsk->thread.xstate->hardfpu.status)), "r"(FPSCR_RCHG), "r"(FPSCR_INIT) :"memory"); disable_fpu(); } -static void restore_fpu(struct task_struct *tsk) +void restore_fpu(struct task_struct *tsk) { unsigned long dummy; @@ -135,62 +135,11 @@ static void restore_fpu(struct task_struct *tsk) "lds.l @%0+, fpscr\n\t" "lds.l @%0+, fpul\n\t" :"=r" (dummy) - :"0"(&tsk->thread.fpu), "r"(FPSCR_RCHG) + :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG) :"memory"); disable_fpu(); } -/* - * Load the FPU with signalling NANS. This bit pattern we're using - * has the property that no matter wether considered as single or as - * double precision represents signaling NANS. - */ - -static void fpu_init(void) -{ - enable_fpu(); - asm volatile ( "lds %0, fpul\n\t" - "lds %1, fpscr\n\t" - "fsts fpul, fr0\n\t" - "fsts fpul, fr1\n\t" - "fsts fpul, fr2\n\t" - "fsts fpul, fr3\n\t" - "fsts fpul, fr4\n\t" - "fsts fpul, fr5\n\t" - "fsts fpul, fr6\n\t" - "fsts fpul, fr7\n\t" - "fsts fpul, fr8\n\t" - "fsts fpul, fr9\n\t" - "fsts fpul, fr10\n\t" - "fsts fpul, fr11\n\t" - "fsts fpul, fr12\n\t" - "fsts fpul, fr13\n\t" - "fsts fpul, fr14\n\t" - "fsts fpul, fr15\n\t" - "frchg\n\t" - "fsts fpul, fr0\n\t" - "fsts fpul, fr1\n\t" - "fsts fpul, fr2\n\t" - "fsts fpul, fr3\n\t" - "fsts fpul, fr4\n\t" - "fsts fpul, fr5\n\t" - "fsts fpul, fr6\n\t" - "fsts fpul, fr7\n\t" - "fsts fpul, fr8\n\t" - "fsts fpul, fr9\n\t" - "fsts fpul, fr10\n\t" - "fsts fpul, fr11\n\t" - "fsts fpul, fr12\n\t" - "fsts fpul, fr13\n\t" - "fsts fpul, fr14\n\t" - "fsts fpul, fr15\n\t" - "frchg\n\t" - "lds %2, fpscr\n\t" - : /* no output */ - :"r" (0), "r"(FPSCR_RCHG), "r"(FPSCR_INIT)); - disable_fpu(); -} - /** * denormal_to_double - Given denormalized float number, * store double float @@ -282,9 +231,9 @@ static int ieee_fpe_handler(struct pt_regs *regs) /* fcnvsd */ struct task_struct *tsk = current; - if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR)) + if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)) /* FPU error */ - denormal_to_double(&tsk->thread.fpu.hard, + denormal_to_double(&tsk->thread.xstate->hardfpu, (finsn >> 8) & 0xf); else return 0; @@ -300,9 +249,9 @@ static int ieee_fpe_handler(struct pt_regs *regs) n = (finsn >> 8) & 0xf; m = (finsn >> 4) & 0xf; - hx = tsk->thread.fpu.hard.fp_regs[n]; - hy = tsk->thread.fpu.hard.fp_regs[m]; - fpscr = tsk->thread.fpu.hard.fpscr; + hx = tsk->thread.xstate->hardfpu.fp_regs[n]; + hy = tsk->thread.xstate->hardfpu.fp_regs[m]; + fpscr = tsk->thread.xstate->hardfpu.fpscr; prec = fpscr & FPSCR_DBL_PRECISION; if ((fpscr & FPSCR_CAUSE_ERROR) @@ -312,18 +261,18 @@ static int ieee_fpe_handler(struct pt_regs *regs) /* FPU error because of denormal (doubles) */ llx = ((long long)hx << 32) - | tsk->thread.fpu.hard.fp_regs[n + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[n + 1]; lly = ((long long)hy << 32) - | tsk->thread.fpu.hard.fp_regs[m + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[m + 1]; llx = float64_mul(llx, lly); - tsk->thread.fpu.hard.fp_regs[n] = llx >> 32; - tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff; + tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32; + tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff; } else if ((fpscr & FPSCR_CAUSE_ERROR) && (!prec && ((hx & 0x7fffffff) < 0x00800000 || (hy & 0x7fffffff) < 0x00800000))) { /* FPU error because of denormal (floats) */ hx = float32_mul(hx, hy); - tsk->thread.fpu.hard.fp_regs[n] = hx; + tsk->thread.xstate->hardfpu.fp_regs[n] = hx; } else return 0; @@ -338,9 +287,9 @@ static int ieee_fpe_handler(struct pt_regs *regs) n = (finsn >> 8) & 0xf; m = (finsn >> 4) & 0xf; - hx = tsk->thread.fpu.hard.fp_regs[n]; - hy = tsk->thread.fpu.hard.fp_regs[m]; - fpscr = tsk->thread.fpu.hard.fpscr; + hx = tsk->thread.xstate->hardfpu.fp_regs[n]; + hy = tsk->thread.xstate->hardfpu.fp_regs[m]; + fpscr = tsk->thread.xstate->hardfpu.fpscr; prec = fpscr & FPSCR_DBL_PRECISION; if ((fpscr & FPSCR_CAUSE_ERROR) @@ -350,15 +299,15 @@ static int ieee_fpe_handler(struct pt_regs *regs) /* FPU error because of denormal (doubles) */ llx = ((long long)hx << 32) - | tsk->thread.fpu.hard.fp_regs[n + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[n + 1]; lly = ((long long)hy << 32) - | tsk->thread.fpu.hard.fp_regs[m + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[m + 1]; if ((finsn & 0xf00f) == 0xf000) llx = float64_add(llx, lly); else llx = float64_sub(llx, lly); - tsk->thread.fpu.hard.fp_regs[n] = llx >> 32; - tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff; + tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32; + tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff; } else if ((fpscr & FPSCR_CAUSE_ERROR) && (!prec && ((hx & 0x7fffffff) < 0x00800000 || (hy & 0x7fffffff) < 0x00800000))) { @@ -367,7 +316,7 @@ static int ieee_fpe_handler(struct pt_regs *regs) hx = float32_add(hx, hy); else hx = float32_sub(hx, hy); - tsk->thread.fpu.hard.fp_regs[n] = hx; + tsk->thread.xstate->hardfpu.fp_regs[n] = hx; } else return 0; @@ -382,9 +331,9 @@ static int ieee_fpe_handler(struct pt_regs *regs) n = (finsn >> 8) & 0xf; m = (finsn >> 4) & 0xf; - hx = tsk->thread.fpu.hard.fp_regs[n]; - hy = tsk->thread.fpu.hard.fp_regs[m]; - fpscr = tsk->thread.fpu.hard.fpscr; + hx = tsk->thread.xstate->hardfpu.fp_regs[n]; + hy = tsk->thread.xstate->hardfpu.fp_regs[m]; + fpscr = tsk->thread.xstate->hardfpu.fpscr; prec = fpscr & FPSCR_DBL_PRECISION; if ((fpscr & FPSCR_CAUSE_ERROR) @@ -394,20 +343,20 @@ static int ieee_fpe_handler(struct pt_regs *regs) /* FPU error because of denormal (doubles) */ llx = ((long long)hx << 32) - | tsk->thread.fpu.hard.fp_regs[n + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[n + 1]; lly = ((long long)hy << 32) - | tsk->thread.fpu.hard.fp_regs[m + 1]; + | tsk->thread.xstate->hardfpu.fp_regs[m + 1]; llx = float64_div(llx, lly); - tsk->thread.fpu.hard.fp_regs[n] = llx >> 32; - tsk->thread.fpu.hard.fp_regs[n + 1] = llx & 0xffffffff; + tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32; + tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff; } else if ((fpscr & FPSCR_CAUSE_ERROR) && (!prec && ((hx & 0x7fffffff) < 0x00800000 || (hy & 0x7fffffff) < 0x00800000))) { /* FPU error because of denormal (floats) */ hx = float32_div(hx, hy); - tsk->thread.fpu.hard.fp_regs[n] = hx; + tsk->thread.xstate->hardfpu.fp_regs[n] = hx; } else return 0; @@ -420,17 +369,17 @@ static int ieee_fpe_handler(struct pt_regs *regs) unsigned int hx; m = (finsn >> 8) & 0x7; - hx = tsk->thread.fpu.hard.fp_regs[m]; + hx = tsk->thread.xstate->hardfpu.fp_regs[m]; - if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR) + if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR) && ((hx & 0x7fffffff) < 0x00100000)) { /* subnormal double to float conversion */ long long llx; - llx = ((long long)tsk->thread.fpu.hard.fp_regs[m] << 32) - | tsk->thread.fpu.hard.fp_regs[m + 1]; + llx = ((long long)tsk->thread.xstate->hardfpu.fp_regs[m] << 32) + | tsk->thread.xstate->hardfpu.fp_regs[m + 1]; - tsk->thread.fpu.hard.fpul = float64_to_float32(llx); + tsk->thread.xstate->hardfpu.fpul = float64_to_float32(llx); } else return 0; @@ -449,7 +398,7 @@ void float_raise(unsigned int flags) int float_rounding_mode(void) { struct task_struct *tsk = current; - int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.fpu.hard.fpscr); + int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.xstate->hardfpu.fpscr); return roundingMode; } @@ -461,16 +410,16 @@ BUILD_TRAP_HANDLER(fpu_error) __unlazy_fpu(tsk, regs); fpu_exception_flags = 0; if (ieee_fpe_handler(regs)) { - tsk->thread.fpu.hard.fpscr &= + tsk->thread.xstate->hardfpu.fpscr &= ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK); - tsk->thread.fpu.hard.fpscr |= fpu_exception_flags; + tsk->thread.xstate->hardfpu.fpscr |= fpu_exception_flags; /* Set the FPSCR flag as well as cause bits - simply * replicate the cause */ - tsk->thread.fpu.hard.fpscr |= (fpu_exception_flags >> 10); + tsk->thread.xstate->hardfpu.fpscr |= (fpu_exception_flags >> 10); grab_fpu(regs); restore_fpu(tsk); task_thread_info(tsk)->status |= TS_USEDFPU; - if ((((tsk->thread.fpu.hard.fpscr & FPSCR_ENABLE_MASK) >> 7) & + if ((((tsk->thread.xstate->hardfpu.fpscr & FPSCR_ENABLE_MASK) >> 7) & (fpu_exception_flags >> 2)) == 0) { return; } @@ -478,33 +427,3 @@ BUILD_TRAP_HANDLER(fpu_error) force_sig(SIGFPE, tsk); } - -void fpu_state_restore(struct pt_regs *regs) -{ - struct task_struct *tsk = current; - - grab_fpu(regs); - if (unlikely(!user_mode(regs))) { - printk(KERN_ERR "BUG: FPU is used in kernel mode.\n"); - BUG(); - return; - } - - if (likely(used_math())) { - /* Using the FPU again. */ - restore_fpu(tsk); - } else { - /* First time FPU user. */ - fpu_init(); - set_used_math(); - } - task_thread_info(tsk)->status |= TS_USEDFPU; - tsk->fpu_counter++; -} - -BUILD_TRAP_HANDLER(fpu_state_restore) -{ - TRAP_HANDLER_DECL; - - fpu_state_restore(regs); -} diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index d36f0c45f55f..21371f8cf010 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -124,6 +124,7 @@ int __init detect_cpu_and_cache_system(void) boot_cpu_data.type = CPU_SH7785; break; case 0x4004: + case 0x4005: boot_cpu_data.type = CPU_SH7786; boot_cpu_data.flags |= CPU_HAS_PTEAEX | CPU_HAS_L2_CACHE; break; @@ -227,7 +228,7 @@ int __init detect_cpu_and_cache_system(void) * Size calculation is much more sensible * than it is for the L1. * - * Sizes are 128KB, 258KB, 512KB, and 1MB. + * Sizes are 128KB, 256KB, 512KB, and 1MB. */ size = (cvr & 0xf) << 17; diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index 33bab477d2e2..b144e8af89dc 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -41,7 +41,8 @@ pinmux-$(CONFIG_CPU_SUBTYPE_SH7757) := pinmux-sh7757.o pinmux-$(CONFIG_CPU_SUBTYPE_SH7785) := pinmux-sh7785.o pinmux-$(CONFIG_CPU_SUBTYPE_SH7786) := pinmux-sh7786.o -obj-y += $(clock-y) -obj-$(CONFIG_SMP) += $(smp-y) -obj-$(CONFIG_GENERIC_GPIO) += $(pinmux-y) -obj-$(CONFIG_PERF_EVENTS) += perf_event.o +obj-y += $(clock-y) +obj-$(CONFIG_SMP) += $(smp-y) +obj-$(CONFIG_GENERIC_GPIO) += $(pinmux-y) +obj-$(CONFIG_PERF_EVENTS) += perf_event.o +obj-$(CONFIG_HAVE_HW_BREAKPOINT) += ubc.o diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c index 5863e0c4d02f..11bf4c1e25c0 100644 --- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c @@ -78,7 +78,10 @@ void __init plat_prepare_cpus(unsigned int max_cpus) void plat_start_cpu(unsigned int cpu, unsigned long entry_point) { - __raw_writel(entry_point, RESET_REG(cpu)); + if (__in_29bit_mode()) + __raw_writel(entry_point, RESET_REG(cpu)); + else + __raw_writel(virt_to_phys(entry_point), RESET_REG(cpu)); if (!(__raw_readl(STBCR_REG(cpu)) & STBCR_MSTP)) __raw_writel(STBCR_MSTP, STBCR_REG(cpu)); diff --git a/arch/sh/kernel/cpu/sh4a/ubc.c b/arch/sh/kernel/cpu/sh4a/ubc.c new file mode 100644 index 000000000000..efb2745bcb36 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/ubc.c @@ -0,0 +1,133 @@ +/* + * arch/sh/kernel/cpu/sh4a/ubc.c + * + * On-chip UBC support for SH-4A CPUs. + * + * Copyright (C) 2009 - 2010 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <asm/hw_breakpoint.h> + +#define UBC_CBR(idx) (0xff200000 + (0x20 * idx)) +#define UBC_CRR(idx) (0xff200004 + (0x20 * idx)) +#define UBC_CAR(idx) (0xff200008 + (0x20 * idx)) +#define UBC_CAMR(idx) (0xff20000c + (0x20 * idx)) + +#define UBC_CCMFR 0xff200600 +#define UBC_CBCR 0xff200620 + +/* CRR */ +#define UBC_CRR_PCB (1 << 1) +#define UBC_CRR_BIE (1 << 0) + +/* CBR */ +#define UBC_CBR_CE (1 << 0) + +static struct sh_ubc sh4a_ubc; + +static void sh4a_ubc_enable(struct arch_hw_breakpoint *info, int idx) +{ + __raw_writel(UBC_CBR_CE | info->len | info->type, UBC_CBR(idx)); + __raw_writel(info->address, UBC_CAR(idx)); +} + +static void sh4a_ubc_disable(struct arch_hw_breakpoint *info, int idx) +{ + __raw_writel(0, UBC_CBR(idx)); + __raw_writel(0, UBC_CAR(idx)); +} + +static void sh4a_ubc_enable_all(unsigned long mask) +{ + int i; + + for (i = 0; i < sh4a_ubc.num_events; i++) + if (mask & (1 << i)) + __raw_writel(__raw_readl(UBC_CBR(i)) | UBC_CBR_CE, + UBC_CBR(i)); +} + +static void sh4a_ubc_disable_all(void) +{ + int i; + + for (i = 0; i < sh4a_ubc.num_events; i++) + __raw_writel(__raw_readl(UBC_CBR(i)) & ~UBC_CBR_CE, + UBC_CBR(i)); +} + +static unsigned long sh4a_ubc_active_mask(void) +{ + unsigned long active = 0; + int i; + + for (i = 0; i < sh4a_ubc.num_events; i++) + if (__raw_readl(UBC_CBR(i)) & UBC_CBR_CE) + active |= (1 << i); + + return active; +} + +static unsigned long sh4a_ubc_triggered_mask(void) +{ + return __raw_readl(UBC_CCMFR); +} + +static void sh4a_ubc_clear_triggered_mask(unsigned long mask) +{ + __raw_writel(__raw_readl(UBC_CCMFR) & ~mask, UBC_CCMFR); +} + +static struct sh_ubc sh4a_ubc = { + .name = "SH-4A", + .num_events = 2, + .trap_nr = 0x1e0, + .enable = sh4a_ubc_enable, + .disable = sh4a_ubc_disable, + .enable_all = sh4a_ubc_enable_all, + .disable_all = sh4a_ubc_disable_all, + .active_mask = sh4a_ubc_active_mask, + .triggered_mask = sh4a_ubc_triggered_mask, + .clear_triggered_mask = sh4a_ubc_clear_triggered_mask, +}; + +static int __init sh4a_ubc_init(void) +{ + struct clk *ubc_iclk = clk_get(NULL, "ubc0"); + int i; + + /* + * The UBC MSTP bit is optional, as not all platforms will have + * it. Just ignore it if we can't find it. + */ + if (IS_ERR(ubc_iclk)) + ubc_iclk = NULL; + + clk_enable(ubc_iclk); + + __raw_writel(0, UBC_CBCR); + + for (i = 0; i < sh4a_ubc.num_events; i++) { + __raw_writel(0, UBC_CAMR(i)); + __raw_writel(0, UBC_CBR(i)); + + __raw_writel(UBC_CRR_BIE | UBC_CRR_PCB, UBC_CRR(i)); + + /* dummy read for write posting */ + (void)__raw_readl(UBC_CRR(i)); + } + + clk_disable(ubc_iclk); + + sh4a_ubc.clk = ubc_iclk; + + return register_sh_ubc(&sh4a_ubc); +} +arch_initcall(sh4a_ubc_init); diff --git a/arch/sh/kernel/debugtraps.S b/arch/sh/kernel/debugtraps.S index 591741383ee6..7a1b46fec0f4 100644 --- a/arch/sh/kernel/debugtraps.S +++ b/arch/sh/kernel/debugtraps.S @@ -13,7 +13,6 @@ #include <linux/linkage.h> #if !defined(CONFIG_KGDB) -#define breakpoint_trap_handler debug_trap_handler #define singlestep_trap_handler debug_trap_handler #endif diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c deleted file mode 100644 index f8bb50c6e050..000000000000 --- a/arch/sh/kernel/early_printk.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * arch/sh/kernel/early_printk.c - * - * Copyright (C) 1999, 2000 Niibe Yutaka - * Copyright (C) 2002 M. R. Brown - * Copyright (C) 2004 - 2007 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/console.h> -#include <linux/tty.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/delay.h> - -#include <asm/sh_bios.h> - -/* - * Print a string through the BIOS - */ -static void sh_console_write(struct console *co, const char *s, - unsigned count) -{ - sh_bios_console_write(s, count); -} - -/* - * Setup initial baud/bits/parity. We do two things here: - * - construct a cflag setting for the first rs_open() - * - initialize the serial port - * Return non-zero if we didn't find a serial port. - */ -static int __init sh_console_setup(struct console *co, char *options) -{ - int cflag = CREAD | HUPCL | CLOCAL; - - /* - * Now construct a cflag setting. - * TODO: this is a totally bogus cflag, as we have - * no idea what serial settings the BIOS is using, or - * even if its using the serial port at all. - */ - cflag |= B115200 | CS8 | /*no parity*/0; - - co->cflag = cflag; - - return 0; -} - -static struct console bios_console = { - .name = "bios", - .write = sh_console_write, - .setup = sh_console_setup, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -static struct console *early_console; - -static int __init setup_early_printk(char *buf) -{ - int keep_early = 0; - - if (!buf) - return 0; - - if (strstr(buf, "keep")) - keep_early = 1; - - if (!strncmp(buf, "bios", 4)) - early_console = &bios_console; - - if (likely(early_console)) { - if (keep_early) - early_console->flags &= ~CON_BOOT; - else - early_console->flags |= CON_BOOT; - register_console(early_console); - } - - return 0; -} -early_param("earlyprintk", setup_early_printk); diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index 1151ecdffa71..8ee31a0b973e 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -3,6 +3,7 @@ * arch/sh/kernel/head.S * * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima + * Copyright (C) 2010 Matt Fleming * * 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 @@ -13,6 +14,8 @@ #include <linux/init.h> #include <linux/linkage.h> #include <asm/thread_info.h> +#include <asm/mmu.h> +#include <cpu/mmu_context.h> #ifdef CONFIG_CPU_SH4A #define SYNCO() synco @@ -33,7 +36,7 @@ ENTRY(empty_zero_page) .long 1 /* LOADER_TYPE */ .long 0x00000000 /* INITRD_START */ .long 0x00000000 /* INITRD_SIZE */ -#if defined(CONFIG_32BIT) && defined(CONFIG_PMB_FIXED) +#ifdef CONFIG_32BIT .long 0x53453f00 + 32 /* "SE?" = 32 bit */ #else .long 0x53453f00 + 29 /* "SE?" = 29 bit */ @@ -82,6 +85,236 @@ ENTRY(_stext) ldc r0, r7_bank ! ... and initial thread_info #endif +#if defined(CONFIG_PMB) && !defined(CONFIG_PMB_LEGACY) + /* + * Reconfigure the initial PMB mappings setup by the hardware. + * + * When we boot in 32-bit MMU mode there are 2 PMB entries already + * setup for us. + * + * Entry VPN PPN V SZ C UB WT + * --------------------------------------------------------------- + * 0 0x80000000 0x00000000 1 512MB 1 0 1 + * 1 0xA0000000 0x00000000 1 512MB 0 0 0 + * + * But we reprogram them here because we want complete control over + * our address space and the initial mappings may not map PAGE_OFFSET + * to __MEMORY_START (or even map all of our RAM). + * + * Once we've setup cached and uncached mappings for all of RAM we + * clear the rest of the PMB entries. + * + * This clearing also deals with the fact that PMB entries can persist + * across reboots. The PMB could have been left in any state when the + * reboot occurred, so to be safe we clear all entries and start with + * with a clean slate. + */ + + mov.l .LMMUCR, r1 /* Flush the TLB */ + mov.l @r1, r0 + or #MMUCR_TI, r0 + mov.l r0, @r1 + + mov.l .LMEMORY_SIZE, r5 + mov r5, r7 + + mov #PMB_E_SHIFT, r0 + mov #0x1, r4 + shld r0, r4 + + mov.l .LFIRST_DATA_ENTRY, r0 + mov.l .LPMB_DATA, r1 + mov.l .LFIRST_ADDR_ENTRY, r2 + mov.l .LPMB_ADDR, r3 + + mov #0, r10 + + /* + * r0 = PMB_DATA data field + * r1 = PMB_DATA address field + * r2 = PMB_ADDR data field + * r3 = PMB_ADDR address field + * r4 = PMB_E_SHIFT + * r5 = remaining amount of RAM to map + * r6 = PMB mapping size we're trying to use + * r7 = cached_to_uncached + * r8 = scratch register + * r9 = scratch register + * r10 = number of PMB entries we've setup + */ +.L512: + mov #(512 >> 4), r6 + shll16 r6 + shll8 r6 + + cmp/hi r5, r6 + bt .L128 + + mov #(PMB_SZ_512M >> 2), r9 + shll2 r9 + + /* + * Cached mapping + */ + mov #PMB_C, r8 + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov.l r2, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + /* + * Uncached mapping + */ + mov #(PMB_UB >> 8), r8 + shll8 r8 + + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov r2, r8 + add r7, r8 + mov.l r8, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + sub r6, r5 + add r6, r0 + add r6, r2 + + bra .L512 + +.L128: + mov #(128 >> 4), r6 + shll16 r6 + shll8 r6 + + cmp/hi r5, r6 + bt .L64 + + mov #(PMB_SZ_128M >> 2), r9 + shll2 r9 + + /* + * Cached mapping + */ + mov #PMB_C, r8 + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov.l r2, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + /* + * Uncached mapping + */ + mov #(PMB_UB >> 8), r8 + shll8 r8 + + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov r2, r8 + add r7, r8 + mov.l r8, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + sub r6, r5 + add r6, r0 + add r6, r2 + + bra .L128 + +.L64: + mov #(64 >> 4), r6 + shll16 r6 + shll8 r6 + + cmp/hi r5, r6 + bt .Ldone + + mov #(PMB_SZ_64M >> 2), r9 + shll2 r9 + + /* + * Cached mapping + */ + mov #PMB_C, r8 + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov.l r2, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + /* + * Uncached mapping + */ + mov #(PMB_UB >> 8), r8 + shll8 r8 + + or r0, r8 + or r9, r8 + mov.l r8, @r1 + mov r2, r8 + add r7, r8 + mov.l r8, @r3 + + add r4, r1 /* Increment to the next PMB_DATA entry */ + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + add #1, r10 /* Increment number of PMB entries */ + + sub r6, r5 + add r6, r0 + add r6, r2 + + bra .L64 + +.Ldone: + /* Update cached_to_uncached */ + mov.l .Lcached_to_uncached, r0 + mov.l r7, @r0 + + /* + * Clear the remaining PMB entries. + * + * r3 = entry to begin clearing from + * r10 = number of entries we've setup so far + */ + mov #0, r1 + mov #PMB_ENTRY_MAX, r0 + +.Lagain: + mov.l r1, @r3 /* Clear PMB_ADDR entry */ + add #1, r10 /* Increment the loop counter */ + cmp/eq r0, r10 + bf/s .Lagain + add r4, r3 /* Increment to the next PMB_ADDR entry */ + + mov.l 6f, r0 + icbi @r0 + +#endif /* !CONFIG_PMB_LEGACY */ + #ifndef CONFIG_SH_NO_BSS_INIT /* * Don't clear BSS if running on slow platforms such as an RTL simulation, @@ -131,3 +364,13 @@ ENTRY(stack_start) 5: .long start_kernel 6: .long sh_cpu_init 7: .long init_thread_union + +#if defined(CONFIG_PMB) && !defined(CONFIG_PMB_LEGACY) +.LPMB_ADDR: .long PMB_ADDR +.LPMB_DATA: .long PMB_DATA +.LFIRST_ADDR_ENTRY: .long PAGE_OFFSET | PMB_V +.LFIRST_DATA_ENTRY: .long __MEMORY_START | PMB_V +.LMMUCR: .long MMUCR +.Lcached_to_uncached: .long cached_to_uncached +.LMEMORY_SIZE: .long __MEMORY_SIZE +#endif diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S index 3ea765844c74..defd851abefa 100644 --- a/arch/sh/kernel/head_64.S +++ b/arch/sh/kernel/head_64.S @@ -220,7 +220,6 @@ clear_DTLB: add.l r22, r63, r22 /* Sign extend */ putcfg r21, 0, r22 /* Set MMUDR[0].PTEH */ -#ifdef CONFIG_EARLY_PRINTK /* * Setup a DTLB translation for SCIF phys. */ @@ -231,7 +230,6 @@ clear_DTLB: movi 0xfa03, r22 /* 0xfa030000, fixed SCIF virt */ shori 0x0003, r22 putcfg r21, 0, r22 /* PTEH last */ -#endif /* * Set cache behaviours. diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c new file mode 100644 index 000000000000..e2f1753d275c --- /dev/null +++ b/arch/sh/kernel/hw_breakpoint.c @@ -0,0 +1,463 @@ +/* + * arch/sh/kernel/hw_breakpoint.c + * + * Unified kernel/user-space hardware breakpoint facility for the on-chip UBC. + * + * Copyright (C) 2009 - 2010 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/perf_event.h> +#include <linux/hw_breakpoint.h> +#include <linux/percpu.h> +#include <linux/kallsyms.h> +#include <linux/notifier.h> +#include <linux/kprobes.h> +#include <linux/kdebug.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <asm/hw_breakpoint.h> +#include <asm/mmu_context.h> +#include <asm/ptrace.h> + +/* + * Stores the breakpoints currently in use on each breakpoint address + * register for each cpus + */ +static DEFINE_PER_CPU(struct perf_event *, bp_per_reg[HBP_NUM]); + +/* + * A dummy placeholder for early accesses until the CPUs get a chance to + * register their UBCs later in the boot process. + */ +static struct sh_ubc ubc_dummy = { .num_events = 0 }; + +static struct sh_ubc *sh_ubc __read_mostly = &ubc_dummy; + +/* + * Install a perf counter breakpoint. + * + * We seek a free UBC channel and use it for this breakpoint. + * + * Atomic: we hold the counter->ctx->lock and we only handle variables + * and registers local to this cpu. + */ +int arch_install_hw_breakpoint(struct perf_event *bp) +{ + struct arch_hw_breakpoint *info = counter_arch_bp(bp); + int i; + + for (i = 0; i < sh_ubc->num_events; i++) { + struct perf_event **slot = &__get_cpu_var(bp_per_reg[i]); + + if (!*slot) { + *slot = bp; + break; + } + } + + if (WARN_ONCE(i == sh_ubc->num_events, "Can't find any breakpoint slot")) + return -EBUSY; + + clk_enable(sh_ubc->clk); + sh_ubc->enable(info, i); + + return 0; +} + +/* + * Uninstall the breakpoint contained in the given counter. + * + * First we search the debug address register it uses and then we disable + * it. + * + * Atomic: we hold the counter->ctx->lock and we only handle variables + * and registers local to this cpu. + */ +void arch_uninstall_hw_breakpoint(struct perf_event *bp) +{ + struct arch_hw_breakpoint *info = counter_arch_bp(bp); + int i; + + for (i = 0; i < sh_ubc->num_events; i++) { + struct perf_event **slot = &__get_cpu_var(bp_per_reg[i]); + + if (*slot == bp) { + *slot = NULL; + break; + } + } + + if (WARN_ONCE(i == sh_ubc->num_events, "Can't find any breakpoint slot")) + return; + + sh_ubc->disable(info, i); + clk_disable(sh_ubc->clk); +} + +static int get_hbp_len(u16 hbp_len) +{ + unsigned int len_in_bytes = 0; + + switch (hbp_len) { + case SH_BREAKPOINT_LEN_1: + len_in_bytes = 1; + break; + case SH_BREAKPOINT_LEN_2: + len_in_bytes = 2; + break; + case SH_BREAKPOINT_LEN_4: + len_in_bytes = 4; + break; + case SH_BREAKPOINT_LEN_8: + len_in_bytes = 8; + break; + } + return len_in_bytes; +} + +/* + * Check for virtual address in user space. + */ +int arch_check_va_in_userspace(unsigned long va, u16 hbp_len) +{ + unsigned int len; + + len = get_hbp_len(hbp_len); + + return (va <= TASK_SIZE - len); +} + +/* + * Check for virtual address in kernel space. + */ +static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len) +{ + unsigned int len; + + len = get_hbp_len(hbp_len); + + return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE); +} + +/* + * Store a breakpoint's encoded address, length, and type. + */ +static int arch_store_info(struct perf_event *bp) +{ + struct arch_hw_breakpoint *info = counter_arch_bp(bp); + + /* + * User-space requests will always have the address field populated + * For kernel-addresses, either the address or symbol name can be + * specified. + */ + if (info->name) + info->address = (unsigned long)kallsyms_lookup_name(info->name); + if (info->address) + return 0; + + return -EINVAL; +} + +int arch_bp_generic_fields(int sh_len, int sh_type, + int *gen_len, int *gen_type) +{ + /* Len */ + switch (sh_len) { + case SH_BREAKPOINT_LEN_1: + *gen_len = HW_BREAKPOINT_LEN_1; + break; + case SH_BREAKPOINT_LEN_2: + *gen_len = HW_BREAKPOINT_LEN_2; + break; + case SH_BREAKPOINT_LEN_4: + *gen_len = HW_BREAKPOINT_LEN_4; + break; + case SH_BREAKPOINT_LEN_8: + *gen_len = HW_BREAKPOINT_LEN_8; + break; + default: + return -EINVAL; + } + + /* Type */ + switch (sh_type) { + case SH_BREAKPOINT_READ: + *gen_type = HW_BREAKPOINT_R; + case SH_BREAKPOINT_WRITE: + *gen_type = HW_BREAKPOINT_W; + break; + case SH_BREAKPOINT_RW: + *gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int arch_build_bp_info(struct perf_event *bp) +{ + struct arch_hw_breakpoint *info = counter_arch_bp(bp); + + info->address = bp->attr.bp_addr; + + /* Len */ + switch (bp->attr.bp_len) { + case HW_BREAKPOINT_LEN_1: + info->len = SH_BREAKPOINT_LEN_1; + break; + case HW_BREAKPOINT_LEN_2: + info->len = SH_BREAKPOINT_LEN_2; + break; + case HW_BREAKPOINT_LEN_4: + info->len = SH_BREAKPOINT_LEN_4; + break; + case HW_BREAKPOINT_LEN_8: + info->len = SH_BREAKPOINT_LEN_8; + break; + default: + return -EINVAL; + } + + /* Type */ + switch (bp->attr.bp_type) { + case HW_BREAKPOINT_R: + info->type = SH_BREAKPOINT_READ; + break; + case HW_BREAKPOINT_W: + info->type = SH_BREAKPOINT_WRITE; + break; + case HW_BREAKPOINT_W | HW_BREAKPOINT_R: + info->type = SH_BREAKPOINT_RW; + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * Validate the arch-specific HW Breakpoint register settings + */ +int arch_validate_hwbkpt_settings(struct perf_event *bp, + struct task_struct *tsk) +{ + struct arch_hw_breakpoint *info = counter_arch_bp(bp); + unsigned int align; + int ret; + + ret = arch_build_bp_info(bp); + if (ret) + return ret; + + ret = -EINVAL; + + switch (info->len) { + case SH_BREAKPOINT_LEN_1: + align = 0; + break; + case SH_BREAKPOINT_LEN_2: + align = 1; + break; + case SH_BREAKPOINT_LEN_4: + align = 3; + break; + case SH_BREAKPOINT_LEN_8: + align = 7; + break; + default: + return ret; + } + + ret = arch_store_info(bp); + + if (ret < 0) + return ret; + + /* + * Check that the low-order bits of the address are appropriate + * for the alignment implied by len. + */ + if (info->address & align) + return -EINVAL; + + /* Check that the virtual address is in the proper range */ + if (tsk) { + if (!arch_check_va_in_userspace(info->address, info->len)) + return -EFAULT; + } else { + if (!arch_check_va_in_kernelspace(info->address, info->len)) + return -EFAULT; + } + + return 0; +} + +/* + * Release the user breakpoints used by ptrace + */ +void flush_ptrace_hw_breakpoint(struct task_struct *tsk) +{ + int i; + struct thread_struct *t = &tsk->thread; + + for (i = 0; i < sh_ubc->num_events; i++) { + unregister_hw_breakpoint(t->ptrace_bps[i]); + t->ptrace_bps[i] = NULL; + } +} + +static int __kprobes hw_breakpoint_handler(struct die_args *args) +{ + int cpu, i, rc = NOTIFY_STOP; + struct perf_event *bp; + unsigned int cmf, resume_mask; + + /* + * Do an early return if none of the channels triggered. + */ + cmf = sh_ubc->triggered_mask(); + if (unlikely(!cmf)) + return NOTIFY_DONE; + + /* + * By default, resume all of the active channels. + */ + resume_mask = sh_ubc->active_mask(); + + /* + * Disable breakpoints during exception handling. + */ + sh_ubc->disable_all(); + + cpu = get_cpu(); + for (i = 0; i < sh_ubc->num_events; i++) { + unsigned long event_mask = (1 << i); + + if (likely(!(cmf & event_mask))) + continue; + + /* + * The counter may be concurrently released but that can only + * occur from a call_rcu() path. We can then safely fetch + * the breakpoint, use its callback, touch its counter + * while we are in an rcu_read_lock() path. + */ + rcu_read_lock(); + + bp = per_cpu(bp_per_reg[i], cpu); + if (bp) + rc = NOTIFY_DONE; + + /* + * Reset the condition match flag to denote completion of + * exception handling. + */ + sh_ubc->clear_triggered_mask(event_mask); + + /* + * bp can be NULL due to concurrent perf counter + * removing. + */ + if (!bp) { + rcu_read_unlock(); + break; + } + + /* + * Don't restore the channel if the breakpoint is from + * ptrace, as it always operates in one-shot mode. + */ + if (bp->overflow_handler == ptrace_triggered) + resume_mask &= ~(1 << i); + + perf_bp_event(bp, args->regs); + + /* Deliver the signal to userspace */ + if (arch_check_va_in_userspace(bp->attr.bp_addr, + bp->attr.bp_len)) { + siginfo_t info; + + info.si_signo = args->signr; + info.si_errno = notifier_to_errno(rc); + info.si_code = TRAP_HWBKPT; + + force_sig_info(args->signr, &info, current); + } + + rcu_read_unlock(); + } + + if (cmf == 0) + rc = NOTIFY_DONE; + + sh_ubc->enable_all(resume_mask); + + put_cpu(); + + return rc; +} + +BUILD_TRAP_HANDLER(breakpoint) +{ + unsigned long ex = lookup_exception_vector(); + TRAP_HANDLER_DECL; + + notify_die(DIE_BREAKPOINT, "breakpoint", regs, 0, ex, SIGTRAP); +} + +/* + * Handle debug exception notifications. + */ +int __kprobes hw_breakpoint_exceptions_notify(struct notifier_block *unused, + unsigned long val, void *data) +{ + struct die_args *args = data; + + if (val != DIE_BREAKPOINT) + return NOTIFY_DONE; + + /* + * If the breakpoint hasn't been triggered by the UBC, it's + * probably from a debugger, so don't do anything more here. + * + * This also permits the UBC interface clock to remain off for + * non-UBC breakpoints, as we don't need to check the triggered + * or active channel masks. + */ + if (args->trapnr != sh_ubc->trap_nr) + return NOTIFY_DONE; + + return hw_breakpoint_handler(data); +} + +void hw_breakpoint_pmu_read(struct perf_event *bp) +{ + /* TODO */ +} + +void hw_breakpoint_pmu_unthrottle(struct perf_event *bp) +{ + /* TODO */ +} + +int register_sh_ubc(struct sh_ubc *ubc) +{ + /* Bail if it's already assigned */ + if (sh_ubc != &ubc_dummy) + return -EBUSY; + sh_ubc = ubc; + + pr_info("HW Breakpoints: %s UBC support registered\n", ubc->name); + + WARN_ON(ubc->num_events > HBP_NUM); + + return 0; +} diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c index 3e532d0d4a5c..70c69659b846 100644 --- a/arch/sh/kernel/kgdb.c +++ b/arch/sh/kernel/kgdb.c @@ -1,7 +1,7 @@ /* * SuperH KGDB support * - * Copyright (C) 2008 Paul Mundt + * Copyright (C) 2008 - 2009 Paul Mundt * * Single stepping taken from the old stub by Henry Bell and Jeremy Siegel. * @@ -251,24 +251,60 @@ BUILD_TRAP_HANDLER(singlestep) local_irq_restore(flags); } +static int __kgdb_notify(struct die_args *args, unsigned long cmd) +{ + int ret; + + switch (cmd) { + case DIE_BREAKPOINT: + /* + * This means a user thread is single stepping + * a system call which should be ignored + */ + if (test_thread_flag(TIF_SINGLESTEP)) + return NOTIFY_DONE; + + ret = kgdb_handle_exception(args->trapnr & 0xff, args->signr, + args->err, args->regs); + if (ret) + return NOTIFY_DONE; + + break; + } -BUILD_TRAP_HANDLER(breakpoint) + return NOTIFY_STOP; +} + +static int +kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr) { unsigned long flags; - TRAP_HANDLER_DECL; + int ret; local_irq_save(flags); - kgdb_handle_exception(vec >> 2, SIGTRAP, 0, regs); + ret = __kgdb_notify(ptr, cmd); local_irq_restore(flags); + + return ret; } +static struct notifier_block kgdb_notifier = { + .notifier_call = kgdb_notify, + + /* + * Lowest-prio notifier priority, we want to be notified last: + */ + .priority = -INT_MAX, +}; + int kgdb_arch_init(void) { - return 0; + return register_die_notifier(&kgdb_notifier); } void kgdb_arch_exit(void) { + unregister_die_notifier(&kgdb_notifier); } struct kgdb_arch arch_kgdb_ops = { diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c index 76f280223ebd..f52d8ed69e12 100644 --- a/arch/sh/kernel/machine_kexec.c +++ b/arch/sh/kernel/machine_kexec.c @@ -21,6 +21,7 @@ #include <asm/mmu_context.h> #include <asm/io.h> #include <asm/cacheflush.h> +#include <asm/sh_bios.h> typedef void (*relocate_new_kernel_t)(unsigned long indirection_page, unsigned long reboot_code_buffer, @@ -28,7 +29,6 @@ typedef void (*relocate_new_kernel_t)(unsigned long indirection_page, extern const unsigned char relocate_new_kernel[]; extern const unsigned int relocate_new_kernel_size; -extern void *gdb_vbr_vector; extern void *vbr_base; void machine_shutdown(void) @@ -117,11 +117,7 @@ void machine_kexec(struct kimage *image) kexec_info(image); flush_cache_all(); -#if defined(CONFIG_SH_STANDARD_BIOS) - asm volatile("ldc %0, vbr" : - : "r" (((unsigned long) gdb_vbr_vector) - 0x100) - : "memory"); -#endif + sh_bios_vbr_reload(); /* now call it */ rnk = (relocate_new_kernel_t) reboot_code_buffer; diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c new file mode 100644 index 000000000000..81add9b9ea6e --- /dev/null +++ b/arch/sh/kernel/process.c @@ -0,0 +1,100 @@ +#include <linux/mm.h> +#include <linux/kernel.h> +#include <linux/sched.h> + +struct kmem_cache *task_xstate_cachep = NULL; +unsigned int xstate_size; + +int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) +{ + *dst = *src; + + if (src->thread.xstate) { + dst->thread.xstate = kmem_cache_alloc(task_xstate_cachep, + GFP_KERNEL); + if (!dst->thread.xstate) + return -ENOMEM; + memcpy(dst->thread.xstate, src->thread.xstate, xstate_size); + } + + return 0; +} + +void free_thread_xstate(struct task_struct *tsk) +{ + if (tsk->thread.xstate) { + kmem_cache_free(task_xstate_cachep, tsk->thread.xstate); + tsk->thread.xstate = NULL; + } +} + +#if THREAD_SHIFT < PAGE_SHIFT +static struct kmem_cache *thread_info_cache; + +struct thread_info *alloc_thread_info(struct task_struct *tsk) +{ + struct thread_info *ti; + + ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL); + if (unlikely(ti == NULL)) + return NULL; +#ifdef CONFIG_DEBUG_STACK_USAGE + memset(ti, 0, THREAD_SIZE); +#endif + return ti; +} + +void free_thread_info(struct thread_info *ti) +{ + free_thread_xstate(ti->task); + kmem_cache_free(thread_info_cache, ti); +} + +void thread_info_cache_init(void) +{ + thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, + THREAD_SIZE, SLAB_PANIC, NULL); +} +#else +struct thread_info *alloc_thread_info(struct task_struct *tsk) +{ +#ifdef CONFIG_DEBUG_STACK_USAGE + gfp_t mask = GFP_KERNEL | __GFP_ZERO; +#else + gfp_t mask = GFP_KERNEL; +#endif + return (struct thread_info *)__get_free_pages(mask, THREAD_SIZE_ORDER); +} + +void free_thread_info(struct thread_info *ti) +{ + free_thread_xstate(ti->task); + free_pages((unsigned long)ti, THREAD_SIZE_ORDER); +} +#endif /* THREAD_SHIFT < PAGE_SHIFT */ + +void arch_task_cache_init(void) +{ + if (!xstate_size) + return; + + task_xstate_cachep = kmem_cache_create("task_xstate", xstate_size, + __alignof__(union thread_xstate), + SLAB_PANIC | SLAB_NOTRACK, NULL); +} + +#ifdef CONFIG_SH_FPU_EMU +# define HAVE_SOFTFP 1 +#else +# define HAVE_SOFTFP 0 +#endif + +void init_thread_xstate(void) +{ + if (boot_cpu_data.flags & CPU_HAS_FPU) + xstate_size = sizeof(struct sh_fpu_hard_struct); + else if (HAVE_SOFTFP) + xstate_size = sizeof(struct sh_fpu_soft_struct); + else + xstate_size = 0; +} diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index d8af889366a4..856010f9ebc9 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -25,17 +25,15 @@ #include <linux/fs.h> #include <linux/ftrace.h> #include <linux/preempt.h> +#include <linux/hw_breakpoint.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/pgalloc.h> #include <asm/system.h> -#include <asm/ubc.h> #include <asm/fpu.h> #include <asm/syscalls.h> #include <asm/watchdog.h> -int ubc_usercnt = 0; - #ifdef CONFIG_32BIT static void watchdog_trigger_immediate(void) { @@ -147,21 +145,34 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) } EXPORT_SYMBOL(kernel_thread); +void start_thread(struct pt_regs *regs, unsigned long new_pc, + unsigned long new_sp) +{ + set_fs(USER_DS); + + regs->pr = 0; + regs->sr = SR_FD; + regs->pc = new_pc; + regs->regs[15] = new_sp; + + free_thread_xstate(current); +} +EXPORT_SYMBOL(start_thread); + /* * Free current thread data structures etc.. */ void exit_thread(void) { - if (current->thread.ubc_pc) { - current->thread.ubc_pc = 0; - ubc_usercnt -= 1; - } } void flush_thread(void) { -#if defined(CONFIG_SH_FPU) struct task_struct *tsk = current; + + flush_ptrace_hw_breakpoint(tsk); + +#if defined(CONFIG_SH_FPU) /* Forget lazy FPU state */ clear_fpu(tsk, task_pt_regs(tsk)); clear_used_math(); @@ -209,11 +220,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, { struct thread_info *ti = task_thread_info(p); struct pt_regs *childregs; + #if defined(CONFIG_SH_DSP) struct task_struct *tsk = current; -#endif -#if defined(CONFIG_SH_DSP) if (is_dsp_enabled(tsk)) { /* We can use the __save_dsp or just copy the struct: * __save_dsp(p); @@ -244,53 +254,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.sp = (unsigned long) childregs; p->thread.pc = (unsigned long) ret_from_fork; - p->thread.ubc_pc = 0; + memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); return 0; } -/* Tracing by user break controller. */ -static void ubc_set_tracing(int asid, unsigned long pc) -{ -#if defined(CONFIG_CPU_SH4A) - unsigned long val; - - val = (UBC_CBR_ID_INST | UBC_CBR_RW_READ | UBC_CBR_CE); - val |= (UBC_CBR_AIE | UBC_CBR_AIV_SET(asid)); - - ctrl_outl(val, UBC_CBR0); - ctrl_outl(pc, UBC_CAR0); - ctrl_outl(0x0, UBC_CAMR0); - ctrl_outl(0x0, UBC_CBCR); - - val = (UBC_CRR_RES | UBC_CRR_PCB | UBC_CRR_BIE); - ctrl_outl(val, UBC_CRR0); - - /* Read UBC register that we wrote last, for checking update */ - val = ctrl_inl(UBC_CRR0); - -#else /* CONFIG_CPU_SH4A */ - ctrl_outl(pc, UBC_BARA); - -#ifdef CONFIG_MMU - ctrl_outb(asid, UBC_BASRA); -#endif - - ctrl_outl(0, UBC_BAMRA); - - if (current_cpu_data.type == CPU_SH7729 || - current_cpu_data.type == CPU_SH7710 || - current_cpu_data.type == CPU_SH7712 || - current_cpu_data.type == CPU_SH7203){ - ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA); - ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR); - } else { - ctrl_outw(BBR_INST | BBR_READ, UBC_BBRA); - ctrl_outw(BRCR_PCBA, UBC_BRCR); - } -#endif /* CONFIG_CPU_SH4A */ -} - /* * switch_to(x,y) should switch tasks from x to y. * @@ -304,7 +272,7 @@ __switch_to(struct task_struct *prev, struct task_struct *next) /* we're going to use this soon, after a few expensive things */ if (next->fpu_counter > 5) - prefetch(&next_t->fpu.hard); + prefetch(next_t->xstate); #ifdef CONFIG_MMU /* @@ -316,32 +284,13 @@ __switch_to(struct task_struct *prev, struct task_struct *next) : "r" (task_thread_info(next))); #endif - /* If no tasks are using the UBC, we're done */ - if (ubc_usercnt == 0) - /* If no tasks are using the UBC, we're done */; - else if (next->thread.ubc_pc && next->mm) { - int asid = 0; -#ifdef CONFIG_MMU - asid |= cpu_asid(smp_processor_id(), next->mm); -#endif - ubc_set_tracing(asid, next->thread.ubc_pc); - } else { -#if defined(CONFIG_CPU_SH4A) - ctrl_outl(UBC_CBR_INIT, UBC_CBR0); - ctrl_outl(UBC_CRR_INIT, UBC_CRR0); -#else - ctrl_outw(0, UBC_BBRA); - ctrl_outw(0, UBC_BBRB); -#endif - } - /* * If the task has used fpu the last 5 timeslices, just do a full * restore of the math state immediately to avoid the trap; the * chances of needing FPU soon are obviously high now */ if (next->fpu_counter > 5) - fpu_state_restore(task_pt_regs(next)); + __fpu_state_restore(); return prev; } @@ -434,20 +383,3 @@ unsigned long get_wchan(struct task_struct *p) return pc; } - -asmlinkage void break_point_trap(void) -{ - /* Clear tracing. */ -#if defined(CONFIG_CPU_SH4A) - ctrl_outl(UBC_CBR_INIT, UBC_CBR0); - ctrl_outl(UBC_CRR_INIT, UBC_CRR0); -#else - ctrl_outw(0, UBC_BBRA); - ctrl_outw(0, UBC_BBRB); - ctrl_outl(0, UBC_BRCR); -#endif - current->thread.ubc_pc = 0; - ubc_usercnt -= 1; - - force_sig(SIGTRAP, current); -} diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 9be35f348093..c625cdab76dd 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -2,7 +2,7 @@ * SuperH process tracing * * Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka - * Copyright (C) 2002 - 2008 Paul Mundt + * Copyright (C) 2002 - 2009 Paul Mundt * * Audit support by Yuichi Nakamura <ynakam@hitachisoft.jp> * @@ -26,6 +26,7 @@ #include <linux/tracehook.h> #include <linux/elf.h> #include <linux/regset.h> +#include <linux/hw_breakpoint.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/system.h> @@ -63,33 +64,64 @@ static inline int put_stack_long(struct task_struct *task, int offset, return 0; } -void user_enable_single_step(struct task_struct *child) +void ptrace_triggered(struct perf_event *bp, int nmi, + struct perf_sample_data *data, struct pt_regs *regs) { - /* Next scheduling will set up UBC */ - if (child->thread.ubc_pc == 0) - ubc_usercnt += 1; + struct perf_event_attr attr; + + /* + * Disable the breakpoint request here since ptrace has defined a + * one-shot behaviour for breakpoint exceptions. + */ + attr = bp->attr; + attr.disabled = true; + modify_user_hw_breakpoint(bp, &attr); +} + +static int set_single_step(struct task_struct *tsk, unsigned long addr) +{ + struct thread_struct *thread = &tsk->thread; + struct perf_event *bp; + struct perf_event_attr attr; + + bp = thread->ptrace_bps[0]; + if (!bp) { + hw_breakpoint_init(&attr); + + attr.bp_addr = addr; + attr.bp_len = HW_BREAKPOINT_LEN_2; + attr.bp_type = HW_BREAKPOINT_R; + + bp = register_user_hw_breakpoint(&attr, ptrace_triggered, tsk); + if (IS_ERR(bp)) + return PTR_ERR(bp); + + thread->ptrace_bps[0] = bp; + } else { + int err; + + attr = bp->attr; + attr.bp_addr = addr; + err = modify_user_hw_breakpoint(bp, &attr); + if (unlikely(err)) + return err; + } + + return 0; +} - child->thread.ubc_pc = get_stack_long(child, - offsetof(struct pt_regs, pc)); +void user_enable_single_step(struct task_struct *child) +{ + unsigned long pc = get_stack_long(child, offsetof(struct pt_regs, pc)); set_tsk_thread_flag(child, TIF_SINGLESTEP); + + set_single_step(child, pc); } void user_disable_single_step(struct task_struct *child) { clear_tsk_thread_flag(child, TIF_SINGLESTEP); - - /* - * Ensure the UBC is not programmed at the next context switch. - * - * Normally this is not needed but there are sequences such as - * singlestep, signal delivery, and continue that leave the - * ubc_pc non-zero leading to spurious SIGTRAPs. - */ - if (child->thread.ubc_pc != 0) { - ubc_usercnt -= 1; - child->thread.ubc_pc = 0; - } } /* @@ -163,10 +195,10 @@ int fpregs_get(struct task_struct *target, if ((boot_cpu_data.flags & CPU_HAS_FPU)) return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu.hard, 0, -1); + &target->thread.xstate->hardfpu, 0, -1); return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu.soft, 0, -1); + &target->thread.xstate->softfpu, 0, -1); } static int fpregs_set(struct task_struct *target, @@ -184,10 +216,10 @@ static int fpregs_set(struct task_struct *target, if ((boot_cpu_data.flags & CPU_HAS_FPU)) return user_regset_copyin(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu.hard, 0, -1); + &target->thread.xstate->hardfpu, 0, -1); return user_regset_copyin(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu.soft, 0, -1); + &target->thread.xstate->softfpu, 0, -1); } static int fpregs_active(struct task_struct *target, @@ -333,7 +365,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) else tmp = 0; } else - tmp = ((long *)&child->thread.fpu) + tmp = ((long *)child->thread.xstate) [(addr - (long)&dummy->fpu) >> 2]; } else if (addr == (long) &dummy->u_fpvalid) tmp = !!tsk_used_math(child); @@ -362,7 +394,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) else if (addr >= (long) &dummy->fpu && addr < (long) &dummy->u_fpvalid) { set_stopped_child_used_math(child); - ((long *)&child->thread.fpu) + ((long *)child->thread.xstate) [(addr - (long)&dummy->fpu) >> 2] = data; ret = 0; } else if (addr == (long) &dummy->u_fpvalid) { diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 8b0e69792cf4..e187750dd319 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -449,17 +449,15 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif + paging_init(); + pmb_init(); + + ioremap_fixed_init(); /* Perform the machine specific initialisation */ if (likely(sh_mv.mv_setup)) sh_mv.mv_setup(cmdline_p); - paging_init(); - -#ifdef CONFIG_PMB_ENABLE - pmb_init(); -#endif - #ifdef CONFIG_SMP plat_smp_setup(); #endif diff --git a/arch/sh/kernel/sh_bios.c b/arch/sh/kernel/sh_bios.c index c852f7805728..47475cca068a 100644 --- a/arch/sh/kernel/sh_bios.c +++ b/arch/sh/kernel/sh_bios.c @@ -1,19 +1,30 @@ /* - * linux/arch/sh/kernel/sh_bios.c * C interface for trapping into the standard LinuxSH BIOS. * * Copyright (C) 2000 Greg Banks, Mitch Davis + * Copyright (C) 1999, 2000 Niibe Yutaka + * Copyright (C) 2002 M. R. Brown + * Copyright (C) 2004 - 2010 Paul Mundt * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. */ #include <linux/module.h> +#include <linux/console.h> +#include <linux/tty.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/delay.h> #include <asm/sh_bios.h> #define BIOS_CALL_CONSOLE_WRITE 0 #define BIOS_CALL_ETH_NODE_ADDR 10 #define BIOS_CALL_SHUTDOWN 11 -#define BIOS_CALL_CHAR_OUT 0x1f /* TODO: hack */ #define BIOS_CALL_GDB_DETACH 0xff +void *gdb_vbr_vector = NULL; + static inline long sh_bios_call(long func, long arg0, long arg1, long arg2, long arg3) { @@ -23,6 +34,9 @@ static inline long sh_bios_call(long func, long arg0, long arg1, long arg2, register long r6 __asm__("r6") = arg2; register long r7 __asm__("r7") = arg3; + if (!gdb_vbr_vector) + return -ENOSYS; + __asm__ __volatile__("trapa #0x3f":"=z"(r0) :"0"(r0), "r"(r4), "r"(r5), "r"(r6), "r"(r7) :"memory"); @@ -34,11 +48,6 @@ void sh_bios_console_write(const char *buf, unsigned int len) sh_bios_call(BIOS_CALL_CONSOLE_WRITE, (long)buf, (long)len, 0, 0); } -void sh_bios_char_out(char ch) -{ - sh_bios_call(BIOS_CALL_CHAR_OUT, ch, 0, 0, 0); -} - void sh_bios_gdb_detach(void) { sh_bios_call(BIOS_CALL_GDB_DETACH, 0, 0, 0, 0); @@ -55,3 +64,109 @@ void sh_bios_shutdown(unsigned int how) { sh_bios_call(BIOS_CALL_SHUTDOWN, how, 0, 0, 0); } + +/* + * Read the old value of the VBR register to initialise the vector + * through which debug and BIOS traps are delegated by the Linux trap + * handler. + */ +void sh_bios_vbr_init(void) +{ + unsigned long vbr; + + if (unlikely(gdb_vbr_vector)) + return; + + __asm__ __volatile__ ("stc vbr, %0" : "=r" (vbr)); + + if (vbr) { + gdb_vbr_vector = (void *)(vbr + 0x100); + printk(KERN_NOTICE "Setting GDB trap vector to %p\n", + gdb_vbr_vector); + } else + printk(KERN_NOTICE "SH-BIOS not detected\n"); +} + +/** + * sh_bios_vbr_reload - Re-load the system VBR from the BIOS vector. + * + * This can be used by save/restore code to reinitialize the system VBR + * from the fixed BIOS VBR. A no-op if no BIOS VBR is known. + */ +void sh_bios_vbr_reload(void) +{ + if (gdb_vbr_vector) + __asm__ __volatile__ ( + "ldc %0, vbr" + : + : "r" (((unsigned long) gdb_vbr_vector) - 0x100) + : "memory" + ); +} + +/* + * Print a string through the BIOS + */ +static void sh_console_write(struct console *co, const char *s, + unsigned count) +{ + sh_bios_console_write(s, count); +} + +/* + * Setup initial baud/bits/parity. We do two things here: + * - construct a cflag setting for the first rs_open() + * - initialize the serial port + * Return non-zero if we didn't find a serial port. + */ +static int __init sh_console_setup(struct console *co, char *options) +{ + int cflag = CREAD | HUPCL | CLOCAL; + + /* + * Now construct a cflag setting. + * TODO: this is a totally bogus cflag, as we have + * no idea what serial settings the BIOS is using, or + * even if its using the serial port at all. + */ + cflag |= B115200 | CS8 | /*no parity*/0; + + co->cflag = cflag; + + return 0; +} + +static struct console bios_console = { + .name = "bios", + .write = sh_console_write, + .setup = sh_console_setup, + .flags = CON_PRINTBUFFER, + .index = -1, +}; + +static struct console *early_console; + +static int __init setup_early_printk(char *buf) +{ + int keep_early = 0; + + if (!buf) + return 0; + + if (strstr(buf, "keep")) + keep_early = 1; + + if (!strncmp(buf, "bios", 4)) + early_console = &bios_console; + + if (likely(early_console)) { + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; + register_console(early_console); + } + + return 0; +} +early_param("earlyprintk", setup_early_printk); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 12815ce01ecd..6a7cce79eb4e 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -150,7 +150,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc) return 0; set_used_math(); - return __copy_from_user(&tsk->thread.fpu.hard, &sc->sc_fpregs[0], + return __copy_from_user(&tsk->thread.xstate->hardfpu, &sc->sc_fpregs[0], sizeof(long)*(16*2+2)); } @@ -175,7 +175,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc, clear_used_math(); unlazy_fpu(tsk, regs); - return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.fpu.hard, + return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.xstate->hardfpu, sizeof(long)*(16*2+2)); } #endif /* CONFIG_SH_FPU */ diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 86639beac3a2..9c090cb68878 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -24,13 +24,13 @@ #include <linux/kdebug.h> #include <linux/kexec.h> #include <linux/limits.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> #include <linux/sysfs.h> +#include <linux/uaccess.h> #include <asm/system.h> -#include <asm/uaccess.h> +#include <asm/alignment.h> #include <asm/fpu.h> #include <asm/kprobes.h> +#include <asm/sh_bios.h> #ifdef CONFIG_CPU_SH2 # define TRAP_RESERVED_INST 4 @@ -47,73 +47,6 @@ #define TRAP_ILLEGAL_SLOT_INST 13 #endif -static unsigned long se_user; -static unsigned long se_sys; -static unsigned long se_half; -static unsigned long se_word; -static unsigned long se_dword; -static unsigned long se_multi; -/* bitfield: 1: warn 2: fixup 4: signal -> combinations 2|4 && 1|2|4 are not - valid! */ -static int se_usermode = 3; -/* 0: no warning 1: print a warning message, disabled by default */ -static int se_kernmode_warn; - -#ifdef CONFIG_PROC_FS -static const char *se_usermode_action[] = { - "ignored", - "warn", - "fixup", - "fixup+warn", - "signal", - "signal+warn" -}; - -static int alignment_proc_show(struct seq_file *m, void *v) -{ - seq_printf(m, "User:\t\t%lu\n", se_user); - seq_printf(m, "System:\t\t%lu\n", se_sys); - seq_printf(m, "Half:\t\t%lu\n", se_half); - seq_printf(m, "Word:\t\t%lu\n", se_word); - seq_printf(m, "DWord:\t\t%lu\n", se_dword); - seq_printf(m, "Multi:\t\t%lu\n", se_multi); - seq_printf(m, "User faults:\t%i (%s)\n", se_usermode, - se_usermode_action[se_usermode]); - seq_printf(m, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn, - se_kernmode_warn ? "+warn" : ""); - return 0; -} - -static int alignment_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, alignment_proc_show, NULL); -} - -static ssize_t alignment_proc_write(struct file *file, - const char __user *buffer, size_t count, loff_t *pos) -{ - int *data = PDE(file->f_path.dentry->d_inode)->data; - char mode; - - if (count > 0) { - if (get_user(mode, buffer)) - return -EFAULT; - if (mode >= '0' && mode <= '5') - *data = mode - '0'; - } - return count; -} - -static const struct file_operations alignment_proc_fops = { - .owner = THIS_MODULE, - .open = alignment_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = alignment_proc_write, -}; -#endif - static void dump_mem(const char *str, unsigned long bottom, unsigned long top) { unsigned long p; @@ -265,10 +198,10 @@ static int handle_unaligned_ins(insn_size_t instruction, struct pt_regs *regs, count = 1<<(instruction&3); switch (count) { - case 1: se_half += 1; break; - case 2: se_word += 1; break; - case 4: se_dword += 1; break; - case 8: se_multi += 1; break; /* ??? */ + case 1: inc_unaligned_byte_access(); break; + case 2: inc_unaligned_word_access(); break; + case 4: inc_unaligned_dword_access(); break; + case 8: inc_unaligned_multi_access(); break; } ret = -EFAULT; @@ -452,18 +385,8 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, rm = regs->regs[index]; /* shout about fixups */ - if (!expected) { - if (user_mode(regs) && (se_usermode & 1) && printk_ratelimit()) - pr_notice("Fixing up unaligned userspace access " - "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", - current->comm, task_pid_nr(current), - (void *)regs->pc, instruction); - else if (se_kernmode_warn && printk_ratelimit()) - pr_notice("Fixing up unaligned kernel access " - "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", - current->comm, task_pid_nr(current), - (void *)regs->pc, instruction); - } + if (!expected) + unaligned_fixups_notify(current, instruction, regs); ret = -EFAULT; switch (instruction&0xF000) { @@ -616,10 +539,10 @@ asmlinkage void do_address_error(struct pt_regs *regs, if (user_mode(regs)) { int si_code = BUS_ADRERR; + unsigned int user_action; local_irq_enable(); - - se_user += 1; + inc_unaligned_user_access(); set_fs(USER_DS); if (copy_from_user(&instruction, (insn_size_t *)(regs->pc & ~1), @@ -630,16 +553,12 @@ asmlinkage void do_address_error(struct pt_regs *regs, set_fs(oldfs); /* shout about userspace fixups */ - if (se_usermode & 1) - printk(KERN_NOTICE "Unaligned userspace access " - "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", - current->comm, current->pid, (void *)regs->pc, - instruction); + unaligned_fixups_notify(current, instruction, regs); - if (se_usermode & 2) + user_action = unaligned_user_action(); + if (user_action & UM_FIXUP) goto fixup; - - if (se_usermode & 4) + if (user_action & UM_SIGNAL) goto uspace_segv; else { /* ignore */ @@ -659,7 +578,7 @@ fixup: &user_mem_access, 0); set_fs(oldfs); - if (tmp==0) + if (tmp == 0) return; /* sorted */ uspace_segv: printk(KERN_NOTICE "Sending SIGBUS to \"%s\" due to unaligned " @@ -672,7 +591,7 @@ uspace_segv: info.si_addr = (void __user *)address; force_sig_info(SIGBUS, &info, current); } else { - se_sys += 1; + inc_unaligned_kernel_access(); if (regs->pc & 1) die("unaligned program counter", regs, error_code); @@ -687,11 +606,7 @@ uspace_segv: die("insn faulting in do_address_error", regs, 0); } - if (se_kernmode_warn) - printk(KERN_NOTICE "Unaligned kernel access " - "on behalf of \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", - current->comm, current->pid, (void *)regs->pc, - instruction); + unaligned_fixups_notify(current, instruction, regs); handle_unaligned_access(instruction, regs, &user_mem_access, 0); @@ -876,35 +791,10 @@ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, die_if_kernel("exception", regs, ex); } -#if defined(CONFIG_SH_STANDARD_BIOS) -void *gdb_vbr_vector; - -static inline void __init gdb_vbr_init(void) -{ - register unsigned long vbr; - - /* - * Read the old value of the VBR register to initialise - * the vector through which debug and BIOS traps are - * delegated by the Linux trap handler. - */ - asm volatile("stc vbr, %0" : "=r" (vbr)); - - gdb_vbr_vector = (void *)(vbr + 0x100); - printk("Setting GDB trap vector to 0x%08lx\n", - (unsigned long)gdb_vbr_vector); -} -#endif - void __cpuinit per_cpu_trap_init(void) { extern void *vbr_base; -#ifdef CONFIG_SH_STANDARD_BIOS - if (raw_smp_processor_id() == 0) - gdb_vbr_init(); -#endif - /* NOTE: The VBR value should be at P1 (or P2, virtural "fixed" address space). It's definitely should not in physical address. */ @@ -956,9 +846,12 @@ void __init trap_init(void) #endif #ifdef TRAP_UBC - set_exception_table_vec(TRAP_UBC, break_point_trap); + set_exception_table_vec(TRAP_UBC, breakpoint_trap_handler); #endif + /* Save off the BIOS VBR, if there is one */ + sh_bios_vbr_init(); + /* Setup VBR for boot cpu */ per_cpu_trap_init(); } @@ -985,34 +878,3 @@ void dump_stack(void) show_stack(NULL, NULL); } EXPORT_SYMBOL(dump_stack); - -#ifdef CONFIG_PROC_FS -/* - * This needs to be done after sysctl_init, otherwise sys/ will be - * overwritten. Actually, this shouldn't be in sys/ at all since - * it isn't a sysctl, and it doesn't contain sysctl information. - * We now locate it in /proc/cpu/alignment instead. - */ -static int __init alignment_init(void) -{ - struct proc_dir_entry *dir, *res; - - dir = proc_mkdir("cpu", NULL); - if (!dir) - return -ENOMEM; - - res = proc_create_data("alignment", S_IWUSR | S_IRUGO, dir, - &alignment_proc_fops, &se_usermode); - if (!res) - return -ENOMEM; - - res = proc_create_data("kernel_alignment", S_IWUSR | S_IRUGO, dir, - &alignment_proc_fops, &se_kernmode_warn); - if (!res) - return -ENOMEM; - - return 0; -} - -fs_initcall(alignment_init); -#endif diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index a1e4ec24f1f5..9e5a5878eeae 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -14,17 +14,16 @@ OUTPUT_ARCH(sh) #include <asm/cache.h> #include <asm/vmlinux.lds.h> +#if defined(CONFIG_32BIT) && !defined(CONFIG_PMB_LEGACY) +#define MEMORY_OFFSET 0 +#else +#define MEMORY_OFFSET (CONFIG_MEMORY_START & 0x1fffffff) +#endif + ENTRY(_start) SECTIONS { -#ifdef CONFIG_PMB_FIXED - . = CONFIG_PAGE_OFFSET + (CONFIG_MEMORY_START & 0x1fffffff) + - CONFIG_ZERO_PAGE_OFFSET; -#elif defined(CONFIG_32BIT) - . = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET; -#else - . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET; -#endif + . = CONFIG_PAGE_OFFSET + MEMORY_OFFSET + CONFIG_ZERO_PAGE_OFFSET; _text = .; /* Text and read-only data */ diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index d6c15cae0912..1fcdb1220975 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -471,10 +471,10 @@ static int fpu_emulate(u16 code, struct sh_fpu_soft_struct *fregs, struct pt_reg * denormal_to_double - Given denormalized float number, * store double float * - * @fpu: Pointer to sh_fpu_hard structure + * @fpu: Pointer to sh_fpu_soft structure * @n: Index to FP register */ -static void denormal_to_double(struct sh_fpu_hard_struct *fpu, int n) +static void denormal_to_double(struct sh_fpu_soft_struct *fpu, int n) { unsigned long du, dl; unsigned long x = fpu->fpul; @@ -552,11 +552,11 @@ static int ieee_fpe_handler(struct pt_regs *regs) if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */ struct task_struct *tsk = current; - if ((tsk->thread.fpu.hard.fpscr & (1 << 17))) { + if ((tsk->thread.xstate->softfpu.fpscr & (1 << 17))) { /* FPU error */ - denormal_to_double (&tsk->thread.fpu.hard, + denormal_to_double (&tsk->thread.xstate->softfpu, (finsn >> 8) & 0xf); - tsk->thread.fpu.hard.fpscr &= + tsk->thread.xstate->softfpu.fpscr &= ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK); task_thread_info(tsk)->status |= TS_USEDFPU; } else { @@ -617,7 +617,7 @@ static void fpu_init(struct sh_fpu_soft_struct *fpu) int do_fpu_inst(unsigned short inst, struct pt_regs *regs) { struct task_struct *tsk = current; - struct sh_fpu_soft_struct *fpu = &(tsk->thread.fpu.soft); + struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); if (!(task_thread_info(tsk)->status & TS_USEDFPU)) { /* initialize once. */ diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 986a71b88ca3..b89075256b70 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -80,30 +80,18 @@ config 32BIT bool default y if CPU_SH5 -config PMB_ENABLE - bool "Support 32-bit physical addressing through PMB" - depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP - help - If you say Y here, physical addressing will be extended to - 32-bits through the SH-4A PMB. If this is not set, legacy - 29-bit physical addressing will be used. - -choice - prompt "PMB handling type" - depends on PMB_ENABLE - default PMB_FIXED - config PMB - bool "PMB" + bool "Support 32-bit physical addressing through PMB" depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP + select 32BIT help If you say Y here, physical addressing will be extended to 32-bits through the SH-4A PMB. If this is not set, legacy 29-bit physical addressing will be used. -config PMB_FIXED - bool "fixed PMB" - depends on MMU && EXPERIMENTAL && CPU_SH4A && !CPU_SH4AL_DSP +config PMB_LEGACY + bool "Support legacy boot mappings for PMB" + depends on PMB select 32BIT help If this option is enabled, fixed PMB mappings are inherited @@ -111,16 +99,9 @@ config PMB_FIXED management. This is the closest to legacy 29-bit physical mode, and allows systems to support up to 512MiB of system memory. -endchoice - config X2TLB - bool "Enable extended TLB mode" - depends on (CPU_SHX2 || CPU_SHX3) && MMU && EXPERIMENTAL - help - Selecting this option will enable the extended mode of the SH-X2 - TLB. For legacy SH-X behaviour and interoperability, say N. For - all of the fun new features and a willingless to submit bug reports, - say Y. + def_bool y + depends on (CPU_SHX2 || CPU_SHX3) && MMU config VSYSCALL bool "Support vsyscall page" @@ -188,14 +169,16 @@ config ARCH_MEMORY_PROBE def_bool y depends on MEMORY_HOTPLUG +config IOREMAP_FIXED + def_bool y + depends on X2TLB || SUPERH64 + choice prompt "Kernel page size" - default PAGE_SIZE_8KB if X2TLB default PAGE_SIZE_4KB config PAGE_SIZE_4KB bool "4kB" - depends on !MMU || !X2TLB help This is the default page size used by all SuperH CPUs. diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile index 8a70535fa7ce..89ba56c20ade 100644 --- a/arch/sh/mm/Makefile +++ b/arch/sh/mm/Makefile @@ -2,7 +2,7 @@ # Makefile for the Linux SuperH-specific parts of the memory manager. # -obj-y := cache.o init.o consistent.o mmap.o +obj-y := alignment.o cache.o init.o consistent.o mmap.o cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o @@ -15,7 +15,7 @@ obj-y += $(cacheops-y) mmu-y := nommu.o extable_32.o mmu-$(CONFIG_MMU) := extable_$(BITS).o fault_$(BITS).o \ - ioremap_$(BITS).o kmap.o tlbflush_$(BITS).o + ioremap_$(BITS).o kmap.o pgtable.o tlbflush_$(BITS).o obj-y += $(mmu-y) obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o @@ -33,8 +33,9 @@ obj-y += $(tlb-y) endif obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o -obj-$(CONFIG_PMB_ENABLE) += pmb.o +obj-$(CONFIG_PMB) += pmb.o obj-$(CONFIG_NUMA) += numa.o +obj-$(CONFIG_IOREMAP_FIXED) += ioremap_fixed.o # Special flags for fault_64.o. This puts restrictions on the number of # caller-save registers that the compiler can target when building this file. diff --git a/arch/sh/mm/alignment.c b/arch/sh/mm/alignment.c new file mode 100644 index 000000000000..e615151eac3b --- /dev/null +++ b/arch/sh/mm/alignment.c @@ -0,0 +1,159 @@ +/* + * Alignment access counters and corresponding user-space interfaces. + * + * Copyright (C) 2009 ST Microelectronics + * Copyright (C) 2009 - 2010 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/seq_file.h> +#include <linux/proc_fs.h> +#include <linux/uaccess.h> +#include <asm/alignment.h> + +static unsigned long se_user; +static unsigned long se_sys; +static unsigned long se_half; +static unsigned long se_word; +static unsigned long se_dword; +static unsigned long se_multi; +/* bitfield: 1: warn 2: fixup 4: signal -> combinations 2|4 && 1|2|4 are not + valid! */ +static int se_usermode = UM_WARN | UM_FIXUP; +/* 0: no warning 1: print a warning message, disabled by default */ +static int se_kernmode_warn; + +void inc_unaligned_byte_access(void) +{ + se_half++; +} + +void inc_unaligned_word_access(void) +{ + se_word++; +} + +void inc_unaligned_dword_access(void) +{ + se_dword++; +} + +void inc_unaligned_multi_access(void) +{ + se_multi++; +} + +void inc_unaligned_user_access(void) +{ + se_user++; +} + +void inc_unaligned_kernel_access(void) +{ + se_sys++; +} + +unsigned int unaligned_user_action(void) +{ + return se_usermode; +} + +void unaligned_fixups_notify(struct task_struct *tsk, insn_size_t insn, + struct pt_regs *regs) +{ + if (user_mode(regs) && (se_usermode & UM_WARN) && printk_ratelimit()) + pr_notice("Fixing up unaligned userspace access " + "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", + tsk->comm, task_pid_nr(tsk), + (void *)regs->pc, insn); + else if (se_kernmode_warn && printk_ratelimit()) + pr_notice("Fixing up unaligned kernel access " + "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", + tsk->comm, task_pid_nr(tsk), + (void *)regs->pc, insn); +} + +static const char *se_usermode_action[] = { + "ignored", + "warn", + "fixup", + "fixup+warn", + "signal", + "signal+warn" +}; + +static int alignment_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "User:\t\t%lu\n", se_user); + seq_printf(m, "System:\t\t%lu\n", se_sys); + seq_printf(m, "Half:\t\t%lu\n", se_half); + seq_printf(m, "Word:\t\t%lu\n", se_word); + seq_printf(m, "DWord:\t\t%lu\n", se_dword); + seq_printf(m, "Multi:\t\t%lu\n", se_multi); + seq_printf(m, "User faults:\t%i (%s)\n", se_usermode, + se_usermode_action[se_usermode]); + seq_printf(m, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn, + se_kernmode_warn ? "+warn" : ""); + return 0; +} + +static int alignment_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, alignment_proc_show, NULL); +} + +static ssize_t alignment_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) +{ + int *data = PDE(file->f_path.dentry->d_inode)->data; + char mode; + + if (count > 0) { + if (get_user(mode, buffer)) + return -EFAULT; + if (mode >= '0' && mode <= '5') + *data = mode - '0'; + } + return count; +} + +static const struct file_operations alignment_proc_fops = { + .owner = THIS_MODULE, + .open = alignment_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = alignment_proc_write, +}; + +/* + * This needs to be done after sysctl_init, otherwise sys/ will be + * overwritten. Actually, this shouldn't be in sys/ at all since + * it isn't a sysctl, and it doesn't contain sysctl information. + * We now locate it in /proc/cpu/alignment instead. + */ +static int __init alignment_init(void) +{ + struct proc_dir_entry *dir, *res; + + dir = proc_mkdir("cpu", NULL); + if (!dir) + return -ENOMEM; + + res = proc_create_data("alignment", S_IWUSR | S_IRUGO, dir, + &alignment_proc_fops, &se_usermode); + if (!res) + return -ENOMEM; + + res = proc_create_data("kernel_alignment", S_IWUSR | S_IRUGO, dir, + &alignment_proc_fops, &se_kernmode_warn); + if (!res) + return -ENOMEM; + + return 0; +} +fs_initcall(alignment_init); diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 560ddb6bc8a7..a2301daeefa3 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -109,6 +109,7 @@ static inline void flush_cache_one(unsigned long start, unsigned long phys) static void sh4_flush_dcache_page(void *arg) { struct page *page = arg; + unsigned long addr = (unsigned long)page_address(page); #ifndef CONFIG_SMP struct address_space *mapping = page_mapping(page); @@ -116,16 +117,8 @@ static void sh4_flush_dcache_page(void *arg) set_bit(PG_dcache_dirty, &page->flags); else #endif - { - unsigned long phys = page_to_phys(page); - unsigned long addr = CACHE_OC_ADDRESS_ARRAY; - int i, n; - - /* Loop all the D-cache */ - n = boot_cpu_data.dcache.n_aliases; - for (i = 0; i < n; i++, addr += PAGE_SIZE) - flush_cache_one(addr, phys); - } + flush_cache_one(CACHE_OC_ADDRESS_ARRAY | + (addr & shm_align_mask), page_to_phys(page)); wmb(); } diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index b8607fa7ae12..0f4095d7ac8b 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -2,7 +2,7 @@ * arch/sh/mm/cache.c * * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2002 - 2009 Paul Mundt + * Copyright (C) 2002 - 2010 Paul Mundt * * Released under the terms of the GNU GPL v2.0. */ @@ -41,8 +41,17 @@ static inline void cacheop_on_each_cpu(void (*func) (void *info), void *info, int wait) { preempt_disable(); - smp_call_function(func, info, wait); + + /* + * It's possible that this gets called early on when IRQs are + * still disabled due to ioremapping by the boot CPU, so don't + * even attempt IPIs unless there are other CPUs online. + */ + if (num_online_cpus() > 1) + smp_call_function(func, info, wait); + func(info); + preempt_enable(); } diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 47530104e0ad..28e22839c665 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -53,6 +53,9 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) if (!pud_present(*pud_k)) return NULL; + if (!pud_present(*pud)) + set_pud(pud, *pud_k); + pmd = pmd_offset(pud, address); pmd_k = pmd_offset(pud_k, address); if (!pmd_present(*pmd_k)) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 432acd07e76a..30a9b530d456 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -39,7 +39,7 @@ unsigned long cached_to_uncached = P2SEG - P1SEG; #endif #ifdef CONFIG_MMU -static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) +static pte_t *__get_pte_phys(unsigned long addr) { pgd_t *pgd; pud_t *pud; @@ -49,22 +49,30 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) pgd = pgd_offset_k(addr); if (pgd_none(*pgd)) { pgd_ERROR(*pgd); - return; + return NULL; } pud = pud_alloc(NULL, pgd, addr); if (unlikely(!pud)) { pud_ERROR(*pud); - return; + return NULL; } pmd = pmd_alloc(NULL, pud, addr); if (unlikely(!pmd)) { pmd_ERROR(*pmd); - return; + return NULL; } pte = pte_offset_kernel(pmd, addr); + return pte; +} + +static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) +{ + pte_t *pte; + + pte = __get_pte_phys(addr); if (!pte_none(*pte)) { pte_ERROR(*pte); return; @@ -72,6 +80,22 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, prot)); local_flush_tlb_one(get_asid(), addr); + + if (pgprot_val(prot) & _PAGE_WIRED) + tlb_wire_entry(NULL, addr, *pte); +} + +static void clear_pte_phys(unsigned long addr, pgprot_t prot) +{ + pte_t *pte; + + pte = __get_pte_phys(addr); + + if (pgprot_val(prot) & _PAGE_WIRED) + tlb_unwire_entry(); + + set_pte(pte, pfn_pte(0, __pgprot(0))); + local_flush_tlb_one(get_asid(), addr); } /* @@ -101,6 +125,18 @@ void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot) set_pte_phys(address, phys, prot); } +void __clear_fixmap(enum fixed_addresses idx, pgprot_t prot) +{ + unsigned long address = __fix_to_virt(idx); + + if (idx >= __end_of_fixed_addresses) { + BUG(); + return; + } + + clear_pte_phys(address, prot); +} + void __init page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) { @@ -120,7 +156,13 @@ void __init page_table_range_init(unsigned long start, unsigned long end, for ( ; (i < PTRS_PER_PGD) && (vaddr != end); pgd++, i++) { pud = (pud_t *)pgd; for ( ; (j < PTRS_PER_PUD) && (vaddr != end); pud++, j++) { +#ifdef __PAGETABLE_PMD_FOLDED pmd = (pmd_t *)pud; +#else + pmd = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE); + pud_populate(&init_mm, pud, pmd); + pmd += k; +#endif for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) { if (pmd_none(*pmd)) { pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); @@ -277,35 +319,6 @@ void free_initrd_mem(unsigned long start, unsigned long end) } #endif -#if THREAD_SHIFT < PAGE_SHIFT -static struct kmem_cache *thread_info_cache; - -struct thread_info *alloc_thread_info(struct task_struct *tsk) -{ - struct thread_info *ti; - - ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL); - if (unlikely(ti == NULL)) - return NULL; -#ifdef CONFIG_DEBUG_STACK_USAGE - memset(ti, 0, THREAD_SIZE); -#endif - return ti; -} - -void free_thread_info(struct thread_info *ti) -{ - kmem_cache_free(thread_info_cache, ti); -} - -void thread_info_cache_init(void) -{ - thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, - THREAD_SIZE, 0, NULL); - BUG_ON(thread_info_cache == NULL); -} -#endif /* THREAD_SHIFT < PAGE_SHIFT */ - #ifdef CONFIG_MEMORY_HOTPLUG int arch_add_memory(int nid, u64 start, u64 size) { diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c index 2141befb4f91..c80a8166fbb0 100644 --- a/arch/sh/mm/ioremap_32.c +++ b/arch/sh/mm/ioremap_32.c @@ -105,15 +105,35 @@ void __iomem *__ioremap_caller(unsigned long phys_addr, unsigned long size, } EXPORT_SYMBOL(__ioremap_caller); +/* + * Simple checks for non-translatable mappings. + */ +static inline int iomapping_nontranslatable(unsigned long offset) +{ +#ifdef CONFIG_29BIT + /* + * In 29-bit mode this includes the fixed P1/P2 areas, as well as + * parts of P3. + */ + if (PXSEG(offset) < P3SEG || offset >= P3_ADDR_MAX) + return 1; +#endif + + if (is_pci_memory_fixed_range(offset, 0)) + return 1; + + return 0; +} + void __iounmap(void __iomem *addr) { unsigned long vaddr = (unsigned long __force)addr; - unsigned long seg = PXSEG(vaddr); struct vm_struct *p; - if (seg < P3SEG || vaddr >= P3_ADDR_MAX) - return; - if (is_pci_memory_fixed_range(vaddr, 0)) + /* + * Nothing to do if there is no translatable mapping. + */ + if (iomapping_nontranslatable(vaddr)) return; #ifdef CONFIG_PMB diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c index ef434657d428..fb0aa457c71e 100644 --- a/arch/sh/mm/ioremap_64.c +++ b/arch/sh/mm/ioremap_64.c @@ -28,299 +28,20 @@ #include <asm/tlbflush.h> #include <asm/mmu.h> -static struct resource shmedia_iomap = { - .name = "shmedia_iomap", - .start = IOBASE_VADDR + PAGE_SIZE, - .end = IOBASE_END - 1, -}; - -static void shmedia_mapioaddr(unsigned long pa, unsigned long va, - unsigned long flags); -static void shmedia_unmapioaddr(unsigned long vaddr); -static void __iomem *shmedia_ioremap(struct resource *res, u32 pa, - int sz, unsigned long flags); - -/* - * We have the same problem as the SPARC, so lets have the same comment: - * Our mini-allocator... - * Boy this is gross! We need it because we must map I/O for - * timers and interrupt controller before the kmalloc is available. - */ - -#define XNMLN 15 -#define XNRES 10 - -struct xresource { - struct resource xres; /* Must be first */ - int xflag; /* 1 == used */ - char xname[XNMLN+1]; -}; - -static struct xresource xresv[XNRES]; - -static struct xresource *xres_alloc(void) -{ - struct xresource *xrp; - int n; - - xrp = xresv; - for (n = 0; n < XNRES; n++) { - if (xrp->xflag == 0) { - xrp->xflag = 1; - return xrp; - } - xrp++; - } - return NULL; -} - -static void xres_free(struct xresource *xrp) -{ - xrp->xflag = 0; -} - -static struct resource *shmedia_find_resource(struct resource *root, - unsigned long vaddr) -{ - struct resource *res; - - for (res = root->child; res; res = res->sibling) - if (res->start <= vaddr && res->end >= vaddr) - return res; - - return NULL; -} - -static void __iomem *shmedia_alloc_io(unsigned long phys, unsigned long size, - const char *name, unsigned long flags) -{ - struct xresource *xres; - struct resource *res; - char *tack; - int tlen; - - if (name == NULL) - name = "???"; - - xres = xres_alloc(); - if (xres != 0) { - tack = xres->xname; - res = &xres->xres; - } else { - printk_once(KERN_NOTICE "%s: done with statics, " - "switching to kmalloc\n", __func__); - tlen = strlen(name); - tack = kmalloc(sizeof(struct resource) + tlen + 1, GFP_KERNEL); - if (!tack) - return NULL; - memset(tack, 0, sizeof(struct resource)); - res = (struct resource *) tack; - tack += sizeof(struct resource); - } - - strncpy(tack, name, XNMLN); - tack[XNMLN] = 0; - res->name = tack; - - return shmedia_ioremap(res, phys, size, flags); -} - -static void __iomem *shmedia_ioremap(struct resource *res, u32 pa, int sz, - unsigned long flags) -{ - unsigned long offset = ((unsigned long) pa) & (~PAGE_MASK); - unsigned long round_sz = (offset + sz + PAGE_SIZE-1) & PAGE_MASK; - unsigned long va; - unsigned int psz; - - if (allocate_resource(&shmedia_iomap, res, round_sz, - shmedia_iomap.start, shmedia_iomap.end, - PAGE_SIZE, NULL, NULL) != 0) { - panic("alloc_io_res(%s): cannot occupy\n", - (res->name != NULL) ? res->name : "???"); - } - - va = res->start; - pa &= PAGE_MASK; - - psz = (res->end - res->start + (PAGE_SIZE - 1)) / PAGE_SIZE; - - for (psz = res->end - res->start + 1; psz != 0; psz -= PAGE_SIZE) { - shmedia_mapioaddr(pa, va, flags); - va += PAGE_SIZE; - pa += PAGE_SIZE; - } - - return (void __iomem *)(unsigned long)(res->start + offset); -} - -static void shmedia_free_io(struct resource *res) -{ - unsigned long len = res->end - res->start + 1; - - BUG_ON((len & (PAGE_SIZE - 1)) != 0); - - while (len) { - len -= PAGE_SIZE; - shmedia_unmapioaddr(res->start + len); - } - - release_resource(res); -} - -static __init_refok void *sh64_get_page(void) -{ - void *page; - - if (slab_is_available()) - page = (void *)get_zeroed_page(GFP_KERNEL); - else - page = alloc_bootmem_pages(PAGE_SIZE); - - if (!page || ((unsigned long)page & ~PAGE_MASK)) - panic("sh64_get_page: Out of memory already?\n"); - - return page; -} - -static void shmedia_mapioaddr(unsigned long pa, unsigned long va, - unsigned long flags) +void __iomem *__ioremap_caller(unsigned long offset, unsigned long size, + unsigned long flags, void *caller) { - pgd_t *pgdp; - pud_t *pudp; - pmd_t *pmdp; - pte_t *ptep, pte; pgprot_t prot; - pr_debug("shmedia_mapiopage pa %08lx va %08lx\n", pa, va); - - if (!flags) - flags = 1; /* 1 = CB0-1 device */ - - pgdp = pgd_offset_k(va); - if (pgd_none(*pgdp) || !pgd_present(*pgdp)) { - pudp = (pud_t *)sh64_get_page(); - set_pgd(pgdp, __pgd((unsigned long)pudp | _KERNPG_TABLE)); - } - - pudp = pud_offset(pgdp, va); - if (pud_none(*pudp) || !pud_present(*pudp)) { - pmdp = (pmd_t *)sh64_get_page(); - set_pud(pudp, __pud((unsigned long)pmdp | _KERNPG_TABLE)); - } - - pmdp = pmd_offset(pudp, va); - if (pmd_none(*pmdp) || !pmd_present(*pmdp)) { - ptep = (pte_t *)sh64_get_page(); - set_pmd(pmdp, __pmd((unsigned long)ptep + _PAGE_TABLE)); - } - prot = __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_SHARED | flags); - pte = pfn_pte(pa >> PAGE_SHIFT, prot); - ptep = pte_offset_kernel(pmdp, va); - - if (!pte_none(*ptep) && - pte_val(*ptep) != pte_val(pte)) - pte_ERROR(*ptep); - - set_pte(ptep, pte); - - flush_tlb_kernel_range(va, PAGE_SIZE); -} - -static void shmedia_unmapioaddr(unsigned long vaddr) -{ - pgd_t *pgdp; - pud_t *pudp; - pmd_t *pmdp; - pte_t *ptep; - - pgdp = pgd_offset_k(vaddr); - if (pgd_none(*pgdp) || pgd_bad(*pgdp)) - return; - - pudp = pud_offset(pgdp, vaddr); - if (pud_none(*pudp) || pud_bad(*pudp)) - return; - - pmdp = pmd_offset(pudp, vaddr); - if (pmd_none(*pmdp) || pmd_bad(*pmdp)) - return; - - ptep = pte_offset_kernel(pmdp, vaddr); - - if (pte_none(*ptep) || !pte_present(*ptep)) - return; - - clear_page((void *)ptep); - pte_clear(&init_mm, vaddr, ptep); -} - -void __iomem *__ioremap_caller(unsigned long offset, unsigned long size, - unsigned long flags, void *caller) -{ - char name[14]; - - sprintf(name, "phys_%08x", (u32)offset); - return shmedia_alloc_io(offset, size, name, flags); + return ioremap_fixed(offset, size, prot); } EXPORT_SYMBOL(__ioremap_caller); void __iounmap(void __iomem *virtual) { - unsigned long vaddr = (unsigned long)virtual & PAGE_MASK; - struct resource *res; - unsigned int psz; - - res = shmedia_find_resource(&shmedia_iomap, vaddr); - if (!res) { - printk(KERN_ERR "%s: Failed to free 0x%08lx\n", - __func__, vaddr); - return; - } - - psz = (res->end - res->start + (PAGE_SIZE - 1)) / PAGE_SIZE; - - shmedia_free_io(res); - - if ((char *)res >= (char *)xresv && - (char *)res < (char *)&xresv[XNRES]) { - xres_free((struct xresource *)res); - } else { - kfree(res); - } + iounmap_fixed(virtual); } EXPORT_SYMBOL(__iounmap); - -static int -ioremap_proc_info(char *buf, char **start, off_t fpos, int length, int *eof, - void *data) -{ - char *p = buf, *e = buf + length; - struct resource *r; - const char *nm; - - for (r = ((struct resource *)data)->child; r != NULL; r = r->sibling) { - if (p + 32 >= e) /* Better than nothing */ - break; - nm = r->name; - if (nm == NULL) - nm = "???"; - - p += sprintf(p, "%08lx-%08lx: %s\n", - (unsigned long)r->start, - (unsigned long)r->end, nm); - } - - return p-buf; -} - -static int __init register_proc_onchip(void) -{ - create_proc_read_entry("io_map", 0, 0, ioremap_proc_info, - &shmedia_iomap); - return 0; -} -late_initcall(register_proc_onchip); diff --git a/arch/sh/mm/ioremap_fixed.c b/arch/sh/mm/ioremap_fixed.c new file mode 100644 index 000000000000..3a9d3d88fe8d --- /dev/null +++ b/arch/sh/mm/ioremap_fixed.c @@ -0,0 +1,144 @@ +/* + * Re-map IO memory to kernel address space so that we can access it. + * + * These functions should only be used when it is necessary to map a + * physical address space into the kernel address space before ioremap() + * can be used, e.g. early in boot before paging_init(). + * + * Copyright (C) 2009 Matt Fleming + */ + +#include <linux/vmalloc.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/io.h> +#include <linux/bootmem.h> +#include <linux/proc_fs.h> +#include <linux/slab.h> +#include <asm/fixmap.h> +#include <asm/page.h> +#include <asm/pgalloc.h> +#include <asm/addrspace.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> +#include <asm/mmu.h> +#include <asm/mmu_context.h> + +struct ioremap_map { + void __iomem *addr; + unsigned long size; + unsigned long fixmap_addr; +}; + +static struct ioremap_map ioremap_maps[FIX_N_IOREMAPS]; + +void __init ioremap_fixed_init(void) +{ + struct ioremap_map *map; + int i; + + for (i = 0; i < FIX_N_IOREMAPS; i++) { + map = &ioremap_maps[i]; + map->fixmap_addr = __fix_to_virt(FIX_IOREMAP_BEGIN + i); + } +} + +void __init __iomem * +ioremap_fixed(resource_size_t phys_addr, unsigned long size, pgprot_t prot) +{ + enum fixed_addresses idx0, idx; + resource_size_t last_addr; + struct ioremap_map *map; + unsigned long offset; + unsigned int nrpages; + int i, slot; + + slot = -1; + for (i = 0; i < FIX_N_IOREMAPS; i++) { + map = &ioremap_maps[i]; + if (!map->addr) { + map->size = size; + slot = i; + break; + } + } + + if (slot < 0) + return NULL; + + /* Don't allow wraparound or zero size */ + last_addr = phys_addr + size - 1; + if (!size || last_addr < phys_addr) + return NULL; + + /* + * Fixmap mappings have to be page-aligned + */ + offset = phys_addr & ~PAGE_MASK; + phys_addr &= PAGE_MASK; + size = PAGE_ALIGN(last_addr + 1) - phys_addr; + + /* + * Mappings have to fit in the FIX_IOREMAP area. + */ + nrpages = size >> PAGE_SHIFT; + if (nrpages > FIX_N_IOREMAPS) + return NULL; + + /* + * Ok, go for it.. + */ + idx0 = FIX_IOREMAP_BEGIN + slot; + idx = idx0; + while (nrpages > 0) { + pgprot_val(prot) |= _PAGE_WIRED; + __set_fixmap(idx, phys_addr, prot); + phys_addr += PAGE_SIZE; + idx++; + --nrpages; + } + + map->addr = (void __iomem *)(offset + map->fixmap_addr); + return map->addr; +} + +void __init iounmap_fixed(void __iomem *addr) +{ + enum fixed_addresses idx; + unsigned long virt_addr; + struct ioremap_map *map; + unsigned long offset; + unsigned int nrpages; + int i, slot; + pgprot_t prot; + + slot = -1; + for (i = 0; i < FIX_N_IOREMAPS; i++) { + map = &ioremap_maps[i]; + if (map->addr == addr) { + slot = i; + break; + } + } + + if (slot < 0) + return; + + virt_addr = (unsigned long)addr; + + offset = virt_addr & ~PAGE_MASK; + nrpages = PAGE_ALIGN(offset + map->size - 1) >> PAGE_SHIFT; + + pgprot_val(prot) = _PAGE_WIRED; + + idx = FIX_IOREMAP_BEGIN + slot + nrpages; + while (nrpages > 0) { + __clear_fixmap(idx, prot); + --idx; + --nrpages; + } + + map->size = 0; + map->addr = NULL; +} diff --git a/arch/sh/mm/nommu.c b/arch/sh/mm/nommu.c index ac16c05917ef..7694f50c9034 100644 --- a/arch/sh/mm/nommu.c +++ b/arch/sh/mm/nommu.c @@ -94,3 +94,7 @@ void __init page_table_range_init(unsigned long start, unsigned long end, void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot) { } + +void pgtable_cache_init(void) +{ +} diff --git a/arch/sh/mm/pgtable.c b/arch/sh/mm/pgtable.c new file mode 100644 index 000000000000..6f21fb1d8726 --- /dev/null +++ b/arch/sh/mm/pgtable.c @@ -0,0 +1,56 @@ +#include <linux/mm.h> + +#define PGALLOC_GFP GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO + +static struct kmem_cache *pgd_cachep; +#if PAGETABLE_LEVELS > 2 +static struct kmem_cache *pmd_cachep; +#endif + +void pgd_ctor(void *x) +{ + pgd_t *pgd = x; + + memcpy(pgd + USER_PTRS_PER_PGD, + swapper_pg_dir + USER_PTRS_PER_PGD, + (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); +} + +void pgtable_cache_init(void) +{ + pgd_cachep = kmem_cache_create("pgd_cache", + PTRS_PER_PGD * (1<<PTE_MAGNITUDE), + PAGE_SIZE, SLAB_PANIC, pgd_ctor); +#if PAGETABLE_LEVELS > 2 + pmd_cachep = kmem_cache_create("pmd_cache", + PTRS_PER_PMD * (1<<PTE_MAGNITUDE), + PAGE_SIZE, SLAB_PANIC, NULL); +#endif +} + +pgd_t *pgd_alloc(struct mm_struct *mm) +{ + return kmem_cache_alloc(pgd_cachep, PGALLOC_GFP); +} + +void pgd_free(struct mm_struct *mm, pgd_t *pgd) +{ + kmem_cache_free(pgd_cachep, pgd); +} + +#if PAGETABLE_LEVELS > 2 +void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) +{ + set_pud(pud, __pud((unsigned long)pmd)); +} + +pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) +{ + return kmem_cache_alloc(pmd_cachep, PGALLOC_GFP); +} + +void pmd_free(struct mm_struct *mm, pmd_t *pmd) +{ + kmem_cache_free(pmd_cachep, pmd); +} +#endif /* PAGETABLE_LEVELS > 2 */ diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index 280f6a166035..b796b6c021b4 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -3,11 +3,8 @@ * * Privileged Space Mapping Buffer (PMB) Support. * - * Copyright (C) 2005, 2006, 2007 Paul Mundt - * - * P1/P2 Section mapping definitions from map32.h, which was: - * - * Copyright 2003 (c) Lineo Solutions,Inc. + * Copyright (C) 2005 - 2010 Paul Mundt + * Copyright (C) 2010 Matt Fleming * * 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 @@ -279,52 +276,120 @@ static void __pmb_unmap(struct pmb_entry *pmbe) } while (pmbe); } -#ifdef CONFIG_PMB -int __uses_jump_to_uncached pmb_init(void) +#ifdef CONFIG_PMB_LEGACY +static inline unsigned int pmb_ppn_in_range(unsigned long ppn) { - unsigned int i; - long size, ret; + return ppn >= __MEMORY_START && ppn < __MEMORY_START + __MEMORY_SIZE; +} - jump_to_uncached(); +static int pmb_apply_legacy_mappings(void) +{ + unsigned int applied = 0; + int i; + + pr_info("PMB: Preserving legacy mappings:\n"); /* - * Insert PMB entries for the P1 and P2 areas so that, after - * we've switched the MMU to 32-bit mode, the semantics of P1 - * and P2 are the same as in 29-bit mode, e.g. + * The following entries are setup by the bootloader. + * + * Entry VPN PPN V SZ C UB + * -------------------------------------------------------- + * 0 0xA0000000 0x00000000 1 64MB 0 0 + * 1 0xA4000000 0x04000000 1 16MB 0 0 + * 2 0xA6000000 0x08000000 1 16MB 0 0 + * 9 0x88000000 0x48000000 1 128MB 1 1 + * 10 0x90000000 0x50000000 1 128MB 1 1 + * 11 0x98000000 0x58000000 1 128MB 1 1 + * 13 0xA8000000 0x48000000 1 128MB 0 0 + * 14 0xB0000000 0x50000000 1 128MB 0 0 + * 15 0xB8000000 0x58000000 1 128MB 0 0 * - * P1 - provides a cached window onto physical memory - * P2 - provides an uncached window onto physical memory + * The only entries the we need are the ones that map the kernel + * at the cached and uncached addresses. */ - size = __MEMORY_START + __MEMORY_SIZE; - - ret = pmb_remap(P1SEG, 0x00000000, size, PMB_C); - BUG_ON(ret != size); + for (i = 0; i < PMB_ENTRY_MAX; i++) { + unsigned long addr, data; + unsigned long addr_val, data_val; + unsigned long ppn, vpn; - ret = pmb_remap(P2SEG, 0x00000000, size, PMB_WT | PMB_UB); - BUG_ON(ret != size); + addr = mk_pmb_addr(i); + data = mk_pmb_data(i); - ctrl_outl(0, PMB_IRMCR); + addr_val = __raw_readl(addr); + data_val = __raw_readl(data); - /* PMB.SE and UB[7] */ - ctrl_outl(PASCR_SE | (1 << 7), PMB_PASCR); + /* + * Skip over any bogus entries + */ + if (!(data_val & PMB_V) || !(addr_val & PMB_V)) + continue; - /* Flush out the TLB */ - i = ctrl_inl(MMUCR); - i |= MMUCR_TI; - ctrl_outl(i, MMUCR); + ppn = data_val & PMB_PFN_MASK; + vpn = addr_val & PMB_PFN_MASK; - back_to_cached(); + /* + * Only preserve in-range mappings. + */ + if (pmb_ppn_in_range(ppn)) { + unsigned int size; + char *sz_str = NULL; + + size = data_val & PMB_SZ_MASK; + + sz_str = (size == PMB_SZ_16M) ? " 16MB": + (size == PMB_SZ_64M) ? " 64MB": + (size == PMB_SZ_128M) ? "128MB": + "512MB"; + + pr_info("\t0x%08lx -> 0x%08lx [ %s %scached ]\n", + vpn >> PAGE_SHIFT, ppn >> PAGE_SHIFT, sz_str, + (data_val & PMB_C) ? "" : "un"); + + applied++; + } else { + /* + * Invalidate anything out of bounds. + */ + __raw_writel(addr_val & ~PMB_V, addr); + __raw_writel(data_val & ~PMB_V, data); + } + } - return 0; + return (applied == 0); } #else +static inline int pmb_apply_legacy_mappings(void) +{ + return 1; +} +#endif + int __uses_jump_to_uncached pmb_init(void) { int i; unsigned long addr, data; + unsigned long ret; jump_to_uncached(); + /* + * Attempt to apply the legacy boot mappings if configured. If + * this is successful then we simply carry on with those and + * don't bother establishing additional memory mappings. Dynamic + * device mappings through pmb_remap() can still be bolted on + * after this. + */ + ret = pmb_apply_legacy_mappings(); + if (ret == 0) { + back_to_cached(); + return 0; + } + + /* + * Sync our software copy of the PMB mappings with those in + * hardware. The mappings in the hardware PMB were either set up + * by the bootloader or very early on by the kernel. + */ for (i = 0; i < PMB_ENTRY_MAX; i++) { struct pmb_entry *pmbe; unsigned long vpn, ppn, flags; @@ -359,11 +424,17 @@ int __uses_jump_to_uncached pmb_init(void) WARN_ON(IS_ERR(pmbe)); } + ctrl_outl(0, PMB_IRMCR); + + /* Flush out the TLB */ + i = ctrl_inl(MMUCR); + i |= MMUCR_TI; + ctrl_outl(i, MMUCR); + back_to_cached(); return 0; } -#endif /* CONFIG_PMB */ static int pmb_seq_show(struct seq_file *file, void *iter) { @@ -462,6 +533,5 @@ static int __init pmb_sysdev_init(void) { return sysdev_driver_register(&cpu_sysdev_class, &pmb_sysdev_driver); } - subsys_initcall(pmb_sysdev_init); #endif diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c index 409b7c2b4b9d..88c8bb05e16d 100644 --- a/arch/sh/mm/tlb-pteaex.c +++ b/arch/sh/mm/tlb-pteaex.c @@ -76,3 +76,69 @@ void __uses_jump_to_uncached local_flush_tlb_one(unsigned long asid, __raw_writel(asid, MMU_UTLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT); back_to_cached(); } + +/* + * Load the entry for 'addr' into the TLB and wire the entry. + */ +void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) +{ + unsigned long status, flags; + int urb; + + local_irq_save(flags); + + /* Load the entry into the TLB */ + __update_tlb(vma, addr, pte); + + /* ... and wire it up. */ + status = ctrl_inl(MMUCR); + urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; + status &= ~MMUCR_URB; + + /* + * Make sure we're not trying to wire the last TLB entry slot. + */ + BUG_ON(!--urb); + + urb = urb % MMUCR_URB_NENTRIES; + + status |= (urb << MMUCR_URB_SHIFT); + ctrl_outl(status, MMUCR); + ctrl_barrier(); + + local_irq_restore(flags); +} + +/* + * Unwire the last wired TLB entry. + * + * It should also be noted that it is not possible to wire and unwire + * TLB entries in an arbitrary order. If you wire TLB entry N, followed + * by entry N+1, you must unwire entry N+1 first, then entry N. In this + * respect, it works like a stack or LIFO queue. + */ +void tlb_unwire_entry(void) +{ + unsigned long status, flags; + int urb; + + local_irq_save(flags); + + status = ctrl_inl(MMUCR); + urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; + status &= ~MMUCR_URB; + + /* + * Make sure we're not trying to unwire a TLB entry when none + * have been wired. + */ + BUG_ON(urb++ == MMUCR_URB_NENTRIES); + + urb = urb % MMUCR_URB_NENTRIES; + + status |= (urb << MMUCR_URB_SHIFT); + ctrl_outl(status, MMUCR); + ctrl_barrier(); + + local_irq_restore(flags); +} diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c index 8cf550e2570f..4c6234743318 100644 --- a/arch/sh/mm/tlb-sh4.c +++ b/arch/sh/mm/tlb-sh4.c @@ -81,3 +81,69 @@ void __uses_jump_to_uncached local_flush_tlb_one(unsigned long asid, ctrl_outl(data, addr); back_to_cached(); } + +/* + * Load the entry for 'addr' into the TLB and wire the entry. + */ +void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) +{ + unsigned long status, flags; + int urb; + + local_irq_save(flags); + + /* Load the entry into the TLB */ + __update_tlb(vma, addr, pte); + + /* ... and wire it up. */ + status = ctrl_inl(MMUCR); + urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; + status &= ~MMUCR_URB; + + /* + * Make sure we're not trying to wire the last TLB entry slot. + */ + BUG_ON(!--urb); + + urb = urb % MMUCR_URB_NENTRIES; + + status |= (urb << MMUCR_URB_SHIFT); + ctrl_outl(status, MMUCR); + ctrl_barrier(); + + local_irq_restore(flags); +} + +/* + * Unwire the last wired TLB entry. + * + * It should also be noted that it is not possible to wire and unwire + * TLB entries in an arbitrary order. If you wire TLB entry N, followed + * by entry N+1, you must unwire entry N+1 first, then entry N. In this + * respect, it works like a stack or LIFO queue. + */ +void tlb_unwire_entry(void) +{ + unsigned long status, flags; + int urb; + + local_irq_save(flags); + + status = ctrl_inl(MMUCR); + urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; + status &= ~MMUCR_URB; + + /* + * Make sure we're not trying to unwire a TLB entry when none + * have been wired. + */ + BUG_ON(urb++ == MMUCR_URB_NENTRIES); + + urb = urb % MMUCR_URB_NENTRIES; + + status |= (urb << MMUCR_URB_SHIFT); + ctrl_outl(status, MMUCR); + ctrl_barrier(); + + local_irq_restore(flags); +} diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index de0b0e881823..706da1d3a67a 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -36,7 +36,7 @@ extern void die(const char *,struct pt_regs *,long); static inline void print_prots(pgprot_t prot) { - printk("prot is 0x%08lx\n",pgprot_val(prot)); + printk("prot is 0x%016llx\n",pgprot_val(prot)); printk("%s %s %s %s %s\n",PPROT(_PAGE_SHARED),PPROT(_PAGE_READ), PPROT(_PAGE_EXECUTE),PPROT(_PAGE_WRITE),PPROT(_PAGE_USER)); diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types index 6639b25d8d57..b25aa554ee5e 100644 --- a/arch/sh/tools/mach-types +++ b/arch/sh/tools/mach-types @@ -32,6 +32,7 @@ DREAMCAST SH_DREAMCAST SNAPGEAR SH_SECUREEDGE5410 EDOSK7705 SH_EDOSK7705 EDOSK7760 SH_EDOSK7760 +SDK7786 SH_SDK7786 SH4202_MICRODEV SH_SH4202_MICRODEV SH03 SH_SH03 LANDISK SH_LANDISK |