diff options
Diffstat (limited to 'arch/mips')
147 files changed, 949 insertions, 1151 deletions
diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index f5f1bdb292de..ac7ad54f984f 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -34,7 +34,6 @@ platforms += sibyte platforms += sni platforms += txx9 platforms += vr41xx -platforms += xilfpga # include the platform specific files include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms)) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 5d3284d20678..ab98569994f0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -65,7 +65,7 @@ config MIPS select HAVE_PERF_EVENTS select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_SYSCALL_TRACEPOINTS - select HAVE_VIRT_CPU_ACCOUNTING_GEN + select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP select IRQ_FORCED_THREADING select MODULES_USE_ELF_RELA if MODULES && 64BIT select MODULES_USE_ELF_REL if MODULES @@ -78,7 +78,7 @@ menu "Machine selection" choice prompt "System type" - default SGI_IP22 + default MIPS_GENERIC config MIPS_GENERIC bool "Generic board-agnostic MIPS kernel" @@ -233,6 +233,7 @@ config BMIPS_GENERIC select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN + select HARDIRQS_SW_RESEND help Build a generic DT-based kernel image that boots on select BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top @@ -258,6 +259,7 @@ config BCM47XX select LEDS_GPIO_REGISTER select BCM47XX_NVRAM select BCM47XX_SPROM + select BCM47XX_SSB if !BCM47XX_BCMA help Support for BCM47XX based boards @@ -276,6 +278,7 @@ config BCM63XX select GPIOLIB select HAVE_CLK select MIPS_L1_CACHE_SHIFT_4 + select CLKDEV_LOOKUP help Support for BCM63XX based boards @@ -387,6 +390,7 @@ config LANTIQ select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_MIPS16 select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_VPE_LOADER select SYS_HAS_EARLY_PRINTK select GPIOLIB select SWAP_IO_SPACE @@ -427,6 +431,7 @@ config MACH_LOONGSON32 config MACH_LOONGSON64 bool "Loongson-2/3 family of machines" + select ARCH_HAS_PHYS_TO_DMA select SYS_SUPPORTS_ZBOOT help This enables the support of Loongson-2/3 family of machines. @@ -468,29 +473,6 @@ config MACH_PISTACHIO help This enables support for the IMG Pistachio SoC platform. -config MACH_XILFPGA - bool "MIPSfpga Xilinx based boards" - select BOOT_ELF32 - select BOOT_RAW - select BUILTIN_DTB - select CEVT_R4K - select COMMON_CLK - select CSRC_R4K - select GPIOLIB - select IRQ_MIPS_CPU - select LIBFDT - select MIPS_CPU_SCACHE - select SYS_HAS_EARLY_PRINTK - select SYS_HAS_CPU_MIPS32_R2 - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_ZBOOT_UART16550 - select USE_OF - select USE_GENERIC_EARLY_PRINTK_8250 - select XILINX_INTC - help - This enables support for the IMG University Program MIPSfpga platform. - config MIPS_MALTA bool "MIPS Malta board" select ARCH_MAY_HAVE_PC_FDC @@ -537,6 +519,7 @@ config MIPS_MALTA select SYS_SUPPORTS_MIPS16 select SYS_SUPPORTS_MULTITHREADING select SYS_SUPPORTS_SMARTMIPS + select SYS_SUPPORTS_VPE_LOADER select SYS_SUPPORTS_ZBOOT select SYS_SUPPORTS_RELOCATABLE select USE_OF @@ -898,6 +881,7 @@ config MIKROTIK_RB532 config CAVIUM_OCTEON_SOC bool "Cavium Networks Octeon SoC based boards" select CEVT_R4K + select ARCH_HAS_PHYS_TO_DMA select ARCH_PHYS_ADDR_T_64BIT select DMA_COHERENT select SYS_SUPPORTS_64BIT_KERNEL @@ -916,7 +900,8 @@ config CAVIUM_OCTEON_SOC select USE_OF select ARCH_SPARSEMEM_ENABLE select SYS_SUPPORTS_SMP - select NR_CPUS_DEFAULT_16 + select NR_CPUS_DEFAULT_64 + select MIPS_NR_CPU_NR_MAP_1024 select BUILTIN_DTB select MTD_COMPLEX_MAPPINGS select SYS_SUPPORTS_RELOCATABLE @@ -1034,7 +1019,6 @@ source "arch/mips/loongson32/Kconfig" source "arch/mips/loongson64/Kconfig" source "arch/mips/netlogic/Kconfig" source "arch/mips/paravirt/Kconfig" -source "arch/mips/xilfpga/Kconfig" endmenu @@ -2302,9 +2286,16 @@ config MIPSR2_TO_R6_EMULATOR The only reason this is a build-time option is to save ~14K from the final kernel image. +config SYS_SUPPORTS_VPE_LOADER + bool + depends on SYS_SUPPORTS_MULTITHREADING + help + Indicates that the platform supports the VPE loader, and provides + physical_memsize. + config MIPS_VPE_LOADER bool "VPE loader support." - depends on SYS_SUPPORTS_MULTITHREADING && MODULES + depends on SYS_SUPPORTS_VPE_LOADER && MODULES select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_IRQ_EI select MIPS_MT @@ -2726,6 +2717,15 @@ config NR_CPUS config MIPS_PERF_SHARED_TC_COUNTERS bool +config MIPS_NR_CPU_NR_MAP_1024 + bool + +config MIPS_NR_CPU_NR_MAP + int + depends on SMP + default 1024 if MIPS_NR_CPU_NR_MAP_1024 + default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 + # # Timer Interrupt Frequency Configuration # diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 464af5e025d6..0749c3724543 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -124,30 +124,36 @@ config SCACHE_DEBUGFS If unsure, say N. -menuconfig MIPS_CPS_NS16550 +menuconfig MIPS_CPS_NS16550_BOOL bool "CPS SMP NS16550 UART output" depends on MIPS_CPS help Output debug information via an ns16550 compatible UART if exceptions occur early in the boot process of a secondary core. -if MIPS_CPS_NS16550 +if MIPS_CPS_NS16550_BOOL + +config MIPS_CPS_NS16550 + def_bool MIPS_CPS_NS16550_BASE != 0 config MIPS_CPS_NS16550_BASE hex "UART Base Address" default 0x1b0003f8 if MIPS_MALTA + default 0 help The base address of the ns16550 compatible UART on which to output debug information from the early stages of core startup. + This is only used if non-zero. + config MIPS_CPS_NS16550_SHIFT int "UART Register Shift" - default 0 if MIPS_MALTA + default 0 help The number of bits to shift ns16550 register indices by in order to form their addresses. That is, log base 2 of the span between adjacent ns16550 registers in the system. -endif # MIPS_CPS_NS16550 +endif # MIPS_CPS_NS16550_BOOL endmenu diff --git a/arch/mips/Makefile b/arch/mips/Makefile index a96d97a806c9..9f6a26d72f9f 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -15,7 +15,7 @@ archscripts: scripts_basic $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs -KBUILD_DEFCONFIG := ip22_defconfig +KBUILD_DEFCONFIG := 32r2el_defconfig # # Select the object file format to substitute into the linker script. @@ -544,3 +544,7 @@ sead3_defconfig: .PHONY: sead3micro_defconfig sead3micro_defconfig: $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3 + +.PHONY: xilfpga_defconfig +xilfpga_defconfig: + $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=xilfpga diff --git a/arch/mips/alchemy/board-gpr.c b/arch/mips/alchemy/board-gpr.c index 6fb6b3faa158..328d697e72b4 100644 --- a/arch/mips/alchemy/board-gpr.c +++ b/arch/mips/alchemy/board-gpr.c @@ -30,6 +30,7 @@ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/i2c-gpio.h> +#include <linux/gpio/machine.h> #include <asm/bootinfo.h> #include <asm/idle.h> #include <asm/reboot.h> @@ -218,10 +219,27 @@ static struct platform_device gpr_led_devices = { /* * I2C */ +static struct gpiod_lookup_table gpr_i2c_gpiod_table = { + .dev_id = "i2c-gpio", + .table = { + /* + * This should be on "GPIO2" which has base at 200 so + * the global numbers 209 and 210 should correspond to + * local offsets 9 and 10. + */ + GPIO_LOOKUP_IDX("alchemy-gpio2", 9, NULL, 0, + GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("alchemy-gpio2", 10, NULL, 1, + GPIO_ACTIVE_HIGH), + }, +}; + static struct i2c_gpio_platform_data gpr_i2c_data = { - .sda_pin = 209, + /* + * The open drain mode is hardwired somewhere or an electrical + * property of the alchemy GPIO controller. + */ .sda_is_open_drain = 1, - .scl_pin = 210, .scl_is_open_drain = 1, .udelay = 2, /* ~100 kHz */ .timeout = HZ, @@ -295,6 +313,7 @@ arch_initcall(gpr_pci_init); static int __init gpr_dev_init(void) { + gpiod_add_lookup_table(&gpr_i2c_gpiod_table); i2c_register_board_info(0, gpr_i2c_info, ARRAY_SIZE(gpr_i2c_info)); return platform_add_devices(gpr_devices, ARRAY_SIZE(gpr_devices)); diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c index a83c7b7e2eb1..6b6f6851df92 100644 --- a/arch/mips/alchemy/common/clock.c +++ b/arch/mips/alchemy/common/clock.c @@ -143,7 +143,7 @@ void __init alchemy_set_lpj(void) preset_lpj /= 2 * HZ; } -static struct clk_ops alchemy_clkops_cpu = { +static const struct clk_ops alchemy_clkops_cpu = { .recalc_rate = alchemy_clk_cpu_recalc, }; @@ -224,7 +224,7 @@ static long alchemy_clk_aux_roundr(struct clk_hw *hw, return (*parent_rate) * mult; } -static struct clk_ops alchemy_clkops_aux = { +static const struct clk_ops alchemy_clkops_aux = { .recalc_rate = alchemy_clk_aux_recalc, .set_rate = alchemy_clk_aux_setr, .round_rate = alchemy_clk_aux_roundr, @@ -576,7 +576,7 @@ static int alchemy_clk_fgv1_detr(struct clk_hw *hw, } /* Au1000, Au1100, Au15x0, Au12x0 */ -static struct clk_ops alchemy_clkops_fgenv1 = { +static const struct clk_ops alchemy_clkops_fgenv1 = { .recalc_rate = alchemy_clk_fgv1_recalc, .determine_rate = alchemy_clk_fgv1_detr, .set_rate = alchemy_clk_fgv1_setr, @@ -717,7 +717,7 @@ static int alchemy_clk_fgv2_detr(struct clk_hw *hw, } /* Au1300 larger input mux, no separate disable bit, flexible divider */ -static struct clk_ops alchemy_clkops_fgenv2 = { +static const struct clk_ops alchemy_clkops_fgenv2 = { .recalc_rate = alchemy_clk_fgv2_recalc, .determine_rate = alchemy_clk_fgv2_detr, .set_rate = alchemy_clk_fgv2_setr, @@ -925,7 +925,7 @@ static int alchemy_clk_csrc_detr(struct clk_hw *hw, return alchemy_clk_fgcs_detr(hw, req, scale, 4); } -static struct clk_ops alchemy_clkops_csrc = { +static const struct clk_ops alchemy_clkops_csrc = { .recalc_rate = alchemy_clk_csrc_recalc, .determine_rate = alchemy_clk_csrc_detr, .set_rate = alchemy_clk_csrc_setr, diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c index df7acea3747a..e1675c25d5d4 100644 --- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -575,6 +575,7 @@ static int __init ar7_register_uarts(void) uart_port.type = PORT_AR7; uart_port.uartclk = clk_get_rate(bus_clk) / 2; uart_port.iotype = UPIO_MEM32; + uart_port.flags = UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF; uart_port.regshift = 2; uart_port.line = 0; @@ -653,6 +654,10 @@ static int __init ar7_register_devices(void) u32 val; int res; + res = ar7_gpio_init(); + if (res) + pr_warn("unable to register gpios: %d\n", res); + res = ar7_register_uarts(); if (res) pr_err("unable to setup uart(s): %d\n", res); diff --git a/arch/mips/ar7/prom.c b/arch/mips/ar7/prom.c index 4fd83336131a..dd53987a690f 100644 --- a/arch/mips/ar7/prom.c +++ b/arch/mips/ar7/prom.c @@ -246,8 +246,6 @@ void __init prom_init(void) ar7_init_cmdline(fw_arg0, (char **)fw_arg1); ar7_init_env((struct env_var *)fw_arg2); console_config(); - - ar7_gpio_init(); } #define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4))) diff --git a/arch/mips/ath25/devices.c b/arch/mips/ath25/devices.c index e1156347da53..301a9028273c 100644 --- a/arch/mips/ath25/devices.c +++ b/arch/mips/ath25/devices.c @@ -73,6 +73,7 @@ const char *get_system_type(void) void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk) { +#ifdef CONFIG_SERIAL_8250_CONSOLE struct uart_port s; memset(&s, 0, sizeof(s)); @@ -85,6 +86,7 @@ void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk) s.uartclk = uartclk; early_serial_setup(&s); +#endif /* CONFIG_SERIAL_8250_CONSOLE */ } int __init ath25_add_wmac(int nr, u32 base, int irq) diff --git a/arch/mips/ath79/mach-pb44.c b/arch/mips/ath79/mach-pb44.c index be78298dffb4..6b2c6f3baefa 100644 --- a/arch/mips/ath79/mach-pb44.c +++ b/arch/mips/ath79/mach-pb44.c @@ -11,7 +11,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/i2c.h> -#include <linux/i2c-gpio.h> +#include <linux/gpio/machine.h> #include <linux/platform_data/pcf857x.h> #include "machtypes.h" @@ -33,16 +33,21 @@ #define PB44_KEYS_POLL_INTERVAL 20 /* msecs */ #define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL) -static struct i2c_gpio_platform_data pb44_i2c_gpio_data = { - .sda_pin = PB44_GPIO_I2C_SDA, - .scl_pin = PB44_GPIO_I2C_SCL, +static struct gpiod_lookup_table pb44_i2c_gpiod_table = { + .dev_id = "i2c-gpio", + .table = { + GPIO_LOOKUP_IDX("ath79-gpio", PB44_GPIO_I2C_SDA, + NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), + GPIO_LOOKUP_IDX("ath79-gpio", PB44_GPIO_I2C_SCL, + NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), + }, }; static struct platform_device pb44_i2c_gpio_device = { .name = "i2c-gpio", .id = 0, .dev = { - .platform_data = &pb44_i2c_gpio_data, + .platform_data = NULL, } }; @@ -103,6 +108,7 @@ static struct ath79_spi_platform_data pb44_spi_data = { static void __init pb44_init(void) { + gpiod_add_lookup_table(&pb44_i2c_gpiod_table); i2c_register_board_info(0, pb44_i2c_board_info, ARRAY_SIZE(pb44_i2c_board_info)); platform_device_register(&pb44_i2c_gpio_device); diff --git a/arch/mips/bcm47xx/leds.c b/arch/mips/bcm47xx/leds.c index d4f2407a42c6..8307a8a02667 100644 --- a/arch/mips/bcm47xx/leds.c +++ b/arch/mips/bcm47xx/leds.c @@ -331,7 +331,7 @@ bcm47xx_leds_linksys_wrt54g3gv2[] __initconst = { /* Verified on: WRT54GS V1.0 */ static const struct gpio_led bcm47xx_leds_linksys_wrt54g_type_0101[] __initconst = { - BCM47XX_GPIO_LED(0, "green", "wlan", 0, LEDS_GPIO_DEFSTATE_OFF), + BCM47XX_GPIO_LED(0, "green", "wlan", 1, LEDS_GPIO_DEFSTATE_OFF), BCM47XX_GPIO_LED(1, "green", "power", 0, LEDS_GPIO_DEFSTATE_ON), BCM47XX_GPIO_LED(7, "green", "dmz", 1, LEDS_GPIO_DEFSTATE_OFF), }; diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 19577f771c1f..164115944a7f 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -11,6 +11,7 @@ #include <linux/mutex.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/clkdev.h> #include <linux/delay.h> #include <bcm63xx_cpu.h> #include <bcm63xx_io.h> @@ -121,21 +122,56 @@ static struct clk clk_ephy = { }; /* + * Ethernet switch SAR clock + */ +static void swpkt_sar_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_SWPKT_SAR_EN, enable); + else + return; +} + +static struct clk clk_swpkt_sar = { + .set = swpkt_sar_set, +}; + +/* + * Ethernet switch USB clock + */ +static void swpkt_usb_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_SWPKT_USB_EN, enable); + else + return; +} + +static struct clk clk_swpkt_usb = { + .set = swpkt_usb_set, +}; + +/* * Ethernet switch clock */ static void enetsw_set(struct clk *clk, int enable) { - if (BCMCPU_IS_6328()) + if (BCMCPU_IS_6328()) { bcm_hwclock_set(CKCTL_6328_ROBOSW_EN, enable); - else if (BCMCPU_IS_6362()) + } else if (BCMCPU_IS_6362()) { bcm_hwclock_set(CKCTL_6362_ROBOSW_EN, enable); - else if (BCMCPU_IS_6368()) - bcm_hwclock_set(CKCTL_6368_ROBOSW_EN | - CKCTL_6368_SWPKT_USB_EN | - CKCTL_6368_SWPKT_SAR_EN, - enable); - else + } else if (BCMCPU_IS_6368()) { + if (enable) { + clk_enable_unlocked(&clk_swpkt_sar); + clk_enable_unlocked(&clk_swpkt_usb); + } else { + clk_disable_unlocked(&clk_swpkt_usb); + clk_disable_unlocked(&clk_swpkt_sar); + } + bcm_hwclock_set(CKCTL_6368_ROBOSW_EN, enable); + } else { return; + } if (enable) { /* reset switch core afer clock change */ @@ -247,6 +283,10 @@ static struct clk clk_hsspi = { .set = hsspi_set, }; +/* + * HSSPI PLL + */ +static struct clk clk_hsspi_pll; /* * XTM clock @@ -256,8 +296,12 @@ static void xtm_set(struct clk *clk, int enable) if (!BCMCPU_IS_6368()) return; - bcm_hwclock_set(CKCTL_6368_SAR_EN | - CKCTL_6368_SWPKT_SAR_EN, enable); + if (enable) + clk_enable_unlocked(&clk_swpkt_sar); + else + clk_disable_unlocked(&clk_swpkt_sar); + + bcm_hwclock_set(CKCTL_6368_SAR_EN, enable); if (enable) { /* reset sar core afer clock change */ @@ -359,44 +403,128 @@ long clk_round_rate(struct clk *clk, unsigned long rate) } EXPORT_SYMBOL_GPL(clk_round_rate); -struct clk *clk_get(struct device *dev, const char *id) -{ - if (!strcmp(id, "enet0")) - return &clk_enet0; - if (!strcmp(id, "enet1")) - return &clk_enet1; - if (!strcmp(id, "enetsw")) - return &clk_enetsw; - if (!strcmp(id, "ephy")) - return &clk_ephy; - if (!strcmp(id, "usbh")) - return &clk_usbh; - if (!strcmp(id, "usbd")) - return &clk_usbd; - if (!strcmp(id, "spi")) - return &clk_spi; - if (!strcmp(id, "hsspi")) - return &clk_hsspi; - if (!strcmp(id, "xtm")) - return &clk_xtm; - if (!strcmp(id, "periph")) - return &clk_periph; - if ((BCMCPU_IS_3368() || BCMCPU_IS_6358()) && !strcmp(id, "pcm")) - return &clk_pcm; - if ((BCMCPU_IS_6362() || BCMCPU_IS_6368()) && !strcmp(id, "ipsec")) - return &clk_ipsec; - if ((BCMCPU_IS_6328() || BCMCPU_IS_6362()) && !strcmp(id, "pcie")) - return &clk_pcie; - return ERR_PTR(-ENOENT); -} +static struct clk_lookup bcm3368_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enet0", &clk_enet0), + CLKDEV_INIT(NULL, "enet1", &clk_enet1), + CLKDEV_INIT(NULL, "ephy", &clk_ephy), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT(NULL, "pcm", &clk_pcm), + CLKDEV_INIT("bcm63xx_enet.0", "enet", &clk_enet0), + CLKDEV_INIT("bcm63xx_enet.1", "enet", &clk_enet1), +}; -EXPORT_SYMBOL(clk_get); +static struct clk_lookup bcm6328_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll), + /* gated clocks */ + CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "hsspi", &clk_hsspi), + CLKDEV_INIT(NULL, "pcie", &clk_pcie), +}; -void clk_put(struct clk *clk) -{ -} +static struct clk_lookup bcm6338_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enet0", &clk_enet0), + CLKDEV_INIT(NULL, "enet1", &clk_enet1), + CLKDEV_INIT(NULL, "ephy", &clk_ephy), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT("bcm63xx_enet.0", "enet", &clk_enet_misc), +}; -EXPORT_SYMBOL(clk_put); +static struct clk_lookup bcm6345_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enet0", &clk_enet0), + CLKDEV_INIT(NULL, "enet1", &clk_enet1), + CLKDEV_INIT(NULL, "ephy", &clk_ephy), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT("bcm63xx_enet.0", "enet", &clk_enet_misc), +}; + +static struct clk_lookup bcm6348_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enet0", &clk_enet0), + CLKDEV_INIT(NULL, "enet1", &clk_enet1), + CLKDEV_INIT(NULL, "ephy", &clk_ephy), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT("bcm63xx_enet.0", "enet", &clk_enet_misc), + CLKDEV_INIT("bcm63xx_enet.1", "enet", &clk_enet_misc), +}; + +static struct clk_lookup bcm6358_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enet0", &clk_enet0), + CLKDEV_INIT(NULL, "enet1", &clk_enet1), + CLKDEV_INIT(NULL, "ephy", &clk_ephy), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT(NULL, "pcm", &clk_pcm), + CLKDEV_INIT(NULL, "swpkt_sar", &clk_swpkt_sar), + CLKDEV_INIT(NULL, "swpkt_usb", &clk_swpkt_usb), + CLKDEV_INIT("bcm63xx_enet.0", "enet", &clk_enet0), + CLKDEV_INIT("bcm63xx_enet.1", "enet", &clk_enet1), +}; + +static struct clk_lookup bcm6362_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll), + /* gated clocks */ + CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT(NULL, "hsspi", &clk_hsspi), + CLKDEV_INIT(NULL, "pcie", &clk_pcie), + CLKDEV_INIT(NULL, "ipsec", &clk_ipsec), +}; + +static struct clk_lookup bcm6368_clks[] = { + /* fixed rate clocks */ + CLKDEV_INIT(NULL, "periph", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.0", "refclk", &clk_periph), + CLKDEV_INIT("bcm63xx_uart.1", "refclk", &clk_periph), + /* gated clocks */ + CLKDEV_INIT(NULL, "enetsw", &clk_enetsw), + CLKDEV_INIT(NULL, "usbh", &clk_usbh), + CLKDEV_INIT(NULL, "usbd", &clk_usbd), + CLKDEV_INIT(NULL, "spi", &clk_spi), + CLKDEV_INIT(NULL, "xtm", &clk_xtm), + CLKDEV_INIT(NULL, "ipsec", &clk_ipsec), +}; #define HSSPI_PLL_HZ_6328 133333333 #define HSSPI_PLL_HZ_6362 400000000 @@ -404,11 +532,31 @@ EXPORT_SYMBOL(clk_put); static int __init bcm63xx_clk_init(void) { switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: + clkdev_add_table(bcm3368_clks, ARRAY_SIZE(bcm3368_clks)); + break; case BCM6328_CPU_ID: - clk_hsspi.rate = HSSPI_PLL_HZ_6328; + clk_hsspi_pll.rate = HSSPI_PLL_HZ_6328; + clkdev_add_table(bcm6328_clks, ARRAY_SIZE(bcm6328_clks)); + break; + case BCM6338_CPU_ID: + clkdev_add_table(bcm6338_clks, ARRAY_SIZE(bcm6338_clks)); + break; + case BCM6345_CPU_ID: + clkdev_add_table(bcm6345_clks, ARRAY_SIZE(bcm6345_clks)); + break; + case BCM6348_CPU_ID: + clkdev_add_table(bcm6348_clks, ARRAY_SIZE(bcm6348_clks)); + break; + case BCM6358_CPU_ID: + clkdev_add_table(bcm6358_clks, ARRAY_SIZE(bcm6358_clks)); break; case BCM6362_CPU_ID: - clk_hsspi.rate = HSSPI_PLL_HZ_6362; + clk_hsspi_pll.rate = HSSPI_PLL_HZ_6362; + clkdev_add_table(bcm6362_clks, ARRAY_SIZE(bcm6362_clks)); + break; + case BCM6368_CPU_ID: + clkdev_add_table(bcm6368_clks, ARRAY_SIZE(bcm6368_clks)); break; } diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c index e8284771d620..07b4c65a88a4 100644 --- a/arch/mips/bcm63xx/dev-enet.c +++ b/arch/mips/bcm63xx/dev-enet.c @@ -265,6 +265,14 @@ int __init bcm63xx_enet_register(int unit, dpd->dma_chan_width = ENETDMA_CHAN_WIDTH; } + if (unit == 0) { + dpd->rx_chan = 0; + dpd->tx_chan = 1; + } else { + dpd->rx_chan = 2; + dpd->tx_chan = 3; + } + ret = platform_device_register(pdev); if (ret) return ret; diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore index d3962cd5ce0c..a73d6e2c4f64 100644 --- a/arch/mips/boot/.gitignore +++ b/arch/mips/boot/.gitignore @@ -5,4 +5,3 @@ zImage zImage.tmp calc_vmlinuz_load_addr uImage -*.dtb diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile index e0a4e939f843..e2c6f131c8eb 100644 --- a/arch/mips/boot/dts/Makefile +++ b/arch/mips/boot/dts/Makefile @@ -1,22 +1,15 @@ # SPDX-License-Identifier: GPL-2.0 -dts-dirs += brcm -dts-dirs += cavium-octeon -dts-dirs += img -dts-dirs += ingenic -dts-dirs += lantiq -dts-dirs += mti -dts-dirs += netlogic -dts-dirs += ni -dts-dirs += pic32 -dts-dirs += qca -dts-dirs += ralink -dts-dirs += xilfpga +subdir-y += brcm +subdir-y += cavium-octeon +subdir-y += img +subdir-y += ingenic +subdir-y += lantiq +subdir-y += mti +subdir-y += netlogic +subdir-y += ni +subdir-y += pic32 +subdir-y += qca +subdir-y += ralink +subdir-y += xilfpga -obj-y := $(addsuffix /, $(dts-dirs)) - -dtstree := $(srctree)/$(src) -dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(foreach d,$(dts-dirs), $(wildcard $(dtstree)/$(d)/*.dts))) - -always := $(dtb-y) -subdir-y := $(dts-dirs) -clean-files := *.dtb *.dtb.S +obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y)) diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile index 9e09cc4556b3..d8787c9a499e 100644 --- a/arch/mips/boot/dts/brcm/Makefile +++ b/arch/mips/boot/dts/brcm/Makefile @@ -23,7 +23,6 @@ dtb-$(CONFIG_DT_NONE) += \ bcm63268-comtrend-vr-3032u.dtb \ bcm93384wvg.dtb \ bcm93384wvg_viper.dtb \ - bcm96358nb4ser.dtb \ bcm96368mvwg.dtb \ bcm9ejtagprb.dtb \ bcm97125cbmb.dtb \ @@ -36,9 +35,3 @@ dtb-$(CONFIG_DT_NONE) += \ bcm97435svmb.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/brcm/bcm3368.dtsi b/arch/mips/boot/dts/brcm/bcm3368.dtsi index 277cde02b744..7a3e5c8943ca 100644 --- a/arch/mips/boot/dts/brcm/bcm3368.dtsi +++ b/arch/mips/boot/dts/brcm/bcm3368.dtsi @@ -83,6 +83,7 @@ interrupts = <2>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -95,6 +96,7 @@ interrupts = <3>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts index 2bc0d8401ad6..8d010b919de2 100644 --- a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts +++ b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts @@ -19,7 +19,7 @@ }; &leds0 { - status = "ok"; + status = "okay"; brcm,serial-leds; brcm,serial-dat-low; brcm,serial-shift-inv; diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi index 3b09f44e67fb..58790b173bb2 100644 --- a/arch/mips/boot/dts/brcm/bcm63268.dtsi +++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi @@ -84,6 +84,7 @@ interrupts = <5>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -96,6 +97,7 @@ interrupts = <34>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi index 644486fe4159..bf6716aa425a 100644 --- a/arch/mips/boot/dts/brcm/bcm6328.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi @@ -69,6 +69,7 @@ interrupt-parent = <&periph_intc>; interrupts = <28>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -78,6 +79,7 @@ interrupt-parent = <&periph_intc>; interrupts = <39>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts index 5e62190aa3d5..53e57cc29291 100644 --- a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts +++ b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts @@ -19,7 +19,7 @@ }; &leds0 { - status = "ok"; + status = "okay"; led@0 { reg = <0>; diff --git a/arch/mips/boot/dts/brcm/bcm6358.dtsi b/arch/mips/boot/dts/brcm/bcm6358.dtsi index 682df7fb7069..26ddae5a4247 100644 --- a/arch/mips/boot/dts/brcm/bcm6358.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6358.dtsi @@ -93,6 +93,7 @@ interrupts = <2>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -105,6 +106,7 @@ interrupts = <3>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi index a82a5e5de672..c387793525dd 100644 --- a/arch/mips/boot/dts/brcm/bcm6362.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi @@ -84,6 +84,7 @@ interrupts = <3>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -96,6 +97,7 @@ interrupts = <4>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/brcm/bcm6368.dtsi b/arch/mips/boot/dts/brcm/bcm6368.dtsi index 7a72f59ae457..e116a385525f 100644 --- a/arch/mips/boot/dts/brcm/bcm6368.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6368.dtsi @@ -90,6 +90,7 @@ interrupt-parent = <&periph_intc>; interrupts = <2>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; @@ -99,6 +100,7 @@ interrupt-parent = <&periph_intc>; interrupts = <3>; clocks = <&periph_clk>; + clock-names = "refclk"; status = "disabled"; }; diff --git a/arch/mips/boot/dts/cavium-octeon/Makefile b/arch/mips/boot/dts/cavium-octeon/Makefile index 35300e091573..24a8efcd7b03 100644 --- a/arch/mips/boot/dts/cavium-octeon/Makefile +++ b/arch/mips/boot/dts/cavium-octeon/Makefile @@ -2,9 +2,3 @@ dtb-$(CONFIG_CAVIUM_OCTEON_SOC) += octeon_3xxx.dtb octeon_68xx.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile index 139bcd887b86..441a3c16efb0 100644 --- a/arch/mips/boot/dts/img/Makefile +++ b/arch/mips/boot/dts/img/Makefile @@ -3,9 +3,3 @@ dtb-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += boston.dtb dtb-$(CONFIG_MACH_PISTACHIO) += pistachio_marduk.dtb obj-$(CONFIG_MACH_PISTACHIO) += pistachio_marduk.dtb.o - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/img/pistachio.dtsi b/arch/mips/boot/dts/img/pistachio.dtsi index 57809f6a5864..f8d7e6f622cb 100644 --- a/arch/mips/boot/dts/img/pistachio.dtsi +++ b/arch/mips/boot/dts/img/pistachio.dtsi @@ -805,7 +805,6 @@ pinctrl-0 = <&sdhost_pins>; pinctrl-names = "default"; fifo-depth = <0x20>; - num-slots = <1>; clock-frequency = <50000000>; bus-width = <8>; cap-mmc-highspeed; diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile index 7798262570da..6a31759839b4 100644 --- a/arch/mips/boot/dts/ingenic/Makefile +++ b/arch/mips/boot/dts/ingenic/Makefile @@ -3,9 +3,3 @@ dtb-$(CONFIG_JZ4740_QI_LB60) += qi_lb60.dtb dtb-$(CONFIG_JZ4780_CI20) += ci20.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi index ff3298f29ec4..9b5794667aee 100644 --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi @@ -219,6 +219,11 @@ status = "disabled"; }; + watchdog: watchdog@10002000 { + compatible = "ingenic,jz4780-watchdog"; + reg = <0x10002000 0x100>; + }; + nemc: nemc@13410000 { compatible = "ingenic,jz4780-nemc"; reg = <0x13410000 0x10000>; diff --git a/arch/mips/boot/dts/lantiq/Makefile b/arch/mips/boot/dts/lantiq/Makefile index 0c50e3246a63..51ab9c1dff42 100644 --- a/arch/mips/boot/dts/lantiq/Makefile +++ b/arch/mips/boot/dts/lantiq/Makefile @@ -2,9 +2,3 @@ dtb-$(CONFIG_DT_EASY50712) += easy50712.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/mti/Makefile b/arch/mips/boot/dts/mti/Makefile index 5ee06f73c348..3508720cb6d9 100644 --- a/arch/mips/boot/dts/mti/Makefile +++ b/arch/mips/boot/dts/mti/Makefile @@ -3,9 +3,3 @@ dtb-$(CONFIG_MIPS_MALTA) += malta.dtb dtb-$(CONFIG_LEGACY_BOARD_SEAD3) += sead3.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile index 1cb2fdbd8949..d630b27950f0 100644 --- a/arch/mips/boot/dts/netlogic/Makefile +++ b/arch/mips/boot/dts/netlogic/Makefile @@ -6,9 +6,3 @@ dtb-$(CONFIG_DT_XLP_GVP) += xlp_gvp.dtb dtb-$(CONFIG_DT_XLP_RVP) += xlp_rvp.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/ni/Makefile b/arch/mips/boot/dts/ni/Makefile index 66cfdffc51c2..9e2c9faede47 100644 --- a/arch/mips/boot/dts/ni/Makefile +++ b/arch/mips/boot/dts/ni/Makefile @@ -1,7 +1 @@ dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445) += 169445.dtb - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile index a86ddd289cfd..ba9bcef8fde9 100644 --- a/arch/mips/boot/dts/pic32/Makefile +++ b/arch/mips/boot/dts/pic32/Makefile @@ -5,9 +5,3 @@ dtb-$(CONFIG_DTB_PIC32_NONE) += \ pic32mzda_sk.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile index eabd94eb59db..4451cf45b0ad 100644 --- a/arch/mips/boot/dts/qca/Makefile +++ b/arch/mips/boot/dts/qca/Makefile @@ -5,9 +5,3 @@ dtb-$(CONFIG_ATH79) += ar9331_dpt_module.dtb dtb-$(CONFIG_ATH79) += ar9331_dragino_ms14.dtb dtb-$(CONFIG_ATH79) += ar9331_omega.dtb dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile index a80eeeecf613..94bee5b38b53 100644 --- a/arch/mips/boot/dts/ralink/Makefile +++ b/arch/mips/boot/dts/ralink/Makefile @@ -7,9 +7,3 @@ dtb-$(CONFIG_DTB_OMEGA2P) += omega2p.dtb dtb-$(CONFIG_DTB_VOCORE2) += vocore2.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/ralink/rt3052_eval.dts b/arch/mips/boot/dts/ralink/rt3052_eval.dts index 674efdd42e74..6408ff629d5a 100644 --- a/arch/mips/boot/dts/ralink/rt3052_eval.dts +++ b/arch/mips/boot/dts/ralink/rt3052_eval.dts @@ -47,6 +47,6 @@ }; usb@101c0000 { - status = "ok"; + status = "okay"; }; }; diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile index 498ac081e2fe..9987e0e378c5 100644 --- a/arch/mips/boot/dts/xilfpga/Makefile +++ b/arch/mips/boot/dts/xilfpga/Makefile @@ -1,10 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -dtb-$(CONFIG_XILFPGA_NEXYS4DDR) += nexys4ddr.dtb +dtb-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += nexys4ddr.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) - -# Force kbuild to make empty built-in.o if necessary -obj- += dummy.o - -always := $(dtb-y) -clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts index 41fee03dc312..2152b7ba65fb 100644 --- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts +++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts @@ -6,6 +6,14 @@ / { compatible = "digilent,nexys4ddr"; + aliases { + serial0 = &axi_uart16550; + }; + chosen { + bootargs = "console=ttyS0,115200"; + stdout-path = "serial0:115200n8"; + }; + memory { device_type = "memory"; reg = <0x0 0x08000000>; diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig index 204a1670fd9b..b5eee1a57d6c 100644 --- a/arch/mips/cavium-octeon/Kconfig +++ b/arch/mips/cavium-octeon/Kconfig @@ -75,6 +75,7 @@ config NEED_SG_DMA_LENGTH config SWIOTLB def_bool y + select DMA_DIRECT_OPS select IOMMU_HELPER select NEED_SG_DMA_LENGTH diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index c64bd87f0b6e..c7bb8a407041 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -159,36 +159,13 @@ static void octeon_dma_sync_sg_for_device(struct device *dev, static void *octeon_dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) { - void *ret; - - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); - - if (IS_ENABLED(CONFIG_ZONE_DMA) && dev == NULL) - gfp |= __GFP_DMA; - else if (IS_ENABLED(CONFIG_ZONE_DMA) && - dev->coherent_dma_mask <= DMA_BIT_MASK(24)) - gfp |= __GFP_DMA; - else if (IS_ENABLED(CONFIG_ZONE_DMA32) && - dev->coherent_dma_mask <= DMA_BIT_MASK(32)) - gfp |= __GFP_DMA32; - - /* Don't invoke OOM killer */ - gfp |= __GFP_NORETRY; - - ret = swiotlb_alloc_coherent(dev, size, dma_handle, gfp); + void *ret = swiotlb_alloc(dev, size, dma_handle, gfp, attrs); mb(); return ret; } -static void octeon_dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle, unsigned long attrs) -{ - swiotlb_free_coherent(dev, size, vaddr, dma_handle); -} - static dma_addr_t octeon_unity_phys_to_dma(struct device *dev, phys_addr_t paddr) { return paddr; @@ -228,7 +205,7 @@ EXPORT_SYMBOL(dma_to_phys); static struct octeon_dma_map_ops octeon_linear_dma_map_ops = { .dma_map_ops = { .alloc = octeon_dma_alloc_coherent, - .free = octeon_dma_free_coherent, + .free = swiotlb_free, .map_page = octeon_dma_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = octeon_dma_map_sg, @@ -314,7 +291,7 @@ void __init plat_swiotlb_setup(void) static struct octeon_dma_map_ops _octeon_pci_dma_map_ops = { .dma_map_ops = { .alloc = octeon_dma_alloc_coherent, - .free = octeon_dma_free_coherent, + .free = swiotlb_free, .map_page = octeon_dma_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = octeon_dma_map_sg, diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index f24be0b5db50..75108ec669eb 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -862,7 +862,7 @@ int __cvmx_helper_errata_fix_ipd_ptr_alignment(void) */ cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), 0); - cvmx_wait(100000000ull); + __delay(100000000ull); for (retry_loop_cnt = 0; retry_loop_cnt < 10; retry_loop_cnt++) { retry_cnt = 100000; diff --git a/arch/mips/cavium-octeon/executive/cvmx-spi.c b/arch/mips/cavium-octeon/executive/cvmx-spi.c index 459e3b1eb61f..f51957a3e915 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-spi.c +++ b/arch/mips/cavium-octeon/executive/cvmx-spi.c @@ -215,7 +215,7 @@ int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode) spxx_clk_ctl.u64 = 0; spxx_clk_ctl.s.runbist = 1; cvmx_write_csr(CVMX_SPXX_CLK_CTL(interface), spxx_clk_ctl.u64); - cvmx_wait(10 * MS); + __delay(10 * MS); spxx_bist_stat.u64 = cvmx_read_csr(CVMX_SPXX_BIST_STAT(interface)); if (spxx_bist_stat.s.stat0) cvmx_dprintf @@ -265,14 +265,14 @@ int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode) spxx_clk_ctl.s.rcvtrn = 0; spxx_clk_ctl.s.srxdlck = 0; cvmx_write_csr(CVMX_SPXX_CLK_CTL(interface), spxx_clk_ctl.u64); - cvmx_wait(100 * MS); + __delay(100 * MS); /* Reset SRX0 DLL */ spxx_clk_ctl.s.srxdlck = 1; cvmx_write_csr(CVMX_SPXX_CLK_CTL(interface), spxx_clk_ctl.u64); /* Waiting for Inf0 Spi4 RX DLL to lock */ - cvmx_wait(100 * MS); + __delay(100 * MS); /* Enable dynamic alignment */ spxx_trn4_ctl.s.trntest = 0; @@ -527,7 +527,7 @@ int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode, int timeout) spxx_clk_ctl.s.rcvtrn = 1; spxx_clk_ctl.s.srxdlck = 1; cvmx_write_csr(CVMX_SPXX_CLK_CTL(interface), spxx_clk_ctl.u64); - cvmx_wait(1000 * MS); + __delay(1000 * MS); /* SRX0 clear the boot bit */ spxx_trn4_ctl.u64 = cvmx_read_csr(CVMX_SPXX_TRN4_CTL(interface)); @@ -536,7 +536,7 @@ int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode, int timeout) /* Wait for the training sequence to complete */ cvmx_dprintf("SPI%d: Waiting for training\n", interface); - cvmx_wait(1000 * MS); + __delay(1000 * MS); /* Wait a really long time here */ timeout_time = cvmx_get_cycle() + 1000ull * MS * 600; /* diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig index 92fca3c42eac..5651f4d8f45c 100644 --- a/arch/mips/configs/ar7_defconfig +++ b/arch/mips/configs/ar7_defconfig @@ -82,7 +82,6 @@ CONFIG_MAC80211=m CONFIG_MAC80211_RC_PID=y CONFIG_MAC80211_RC_DEFAULT_PID=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y diff --git a/arch/mips/configs/ath25_defconfig b/arch/mips/configs/ath25_defconfig index 2c829950be17..b8d48038e74f 100644 --- a/arch/mips/configs/ath25_defconfig +++ b/arch/mips/configs/ath25_defconfig @@ -38,7 +38,6 @@ CONFIG_CFG80211=m CONFIG_MAC80211=m CONFIG_MAC80211_DEBUGFS=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_REDBOOT_PARTS=y CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2 diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig index 25ed914933e5..951c4231bdb8 100644 --- a/arch/mips/configs/ath79_defconfig +++ b/arch/mips/configs/ath79_defconfig @@ -39,7 +39,6 @@ CONFIG_CFG80211=m CONFIG_MAC80211=m CONFIG_MAC80211_DEBUGFS=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_REDBOOT_PARTS=y CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2 diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig index 5ea3104a3aca..b5f4ad8f2c45 100644 --- a/arch/mips/configs/ci20_defconfig +++ b/arch/mips/configs/ci20_defconfig @@ -38,6 +38,8 @@ CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set @@ -93,6 +95,8 @@ CONFIG_I2C_JZ4780=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_INGENIC=y # CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_JZ4740_WDT=y CONFIG_REGULATOR=y CONFIG_REGULATOR_DEBUG=y CONFIG_REGULATOR_FIXED_VOLTAGE=y @@ -110,7 +114,8 @@ CONFIG_PROC_KCORE=y CONFIG_TMPFS=y CONFIG_CONFIGFS_FS=y CONFIG_UBIFS_FS=y -# CONFIG_NETWORK_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y CONFIG_NLS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_CODEPAGE_737=y diff --git a/arch/mips/configs/db1xxx_defconfig b/arch/mips/configs/db1xxx_defconfig index f0c8971030c4..0108bb9f1e37 100644 --- a/arch/mips/configs/db1xxx_defconfig +++ b/arch/mips/configs/db1xxx_defconfig @@ -77,7 +77,6 @@ CONFIG_IPV6_MROUTE=y CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y CONFIG_IPV6_PIMSM_V2=y CONFIG_BRIDGE=y -CONFIG_NETLINK_MMAP=y CONFIG_NETLINK_DIAG=y CONFIG_IRDA=y CONFIG_IRLAN=y diff --git a/arch/mips/configs/generic/board-xilfpga.config b/arch/mips/configs/generic/board-xilfpga.config new file mode 100644 index 000000000000..9cce57385b03 --- /dev/null +++ b/arch/mips/configs/generic/board-xilfpga.config @@ -0,0 +1,22 @@ +# require CONFIG_CPU_MIPS32_R2=y +# require CONFIG_CPU_LITTLE_ENDIAN=y + +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_XILINX=y +CONFIG_PANIC_ON_OOPS=y +CONFIG_FIT_IMAGE_FDT_XILFPGA=y +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_XILINX=y +CONFIG_SENSORS_ADT7410=y +CONFIG_TMPFS=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_NETDEVICES=y +CONFIG_XILINX_EMACLITE=y +CONFIG_SMSC_PHY=y diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index 83e8fe2064aa..7ddfb4ef9479 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -1,3 +1,4 @@ +CONFIG_SGI_IP22=y CONFIG_ARC_CONSOLE=y CONFIG_CPU_R5000=y CONFIG_NO_HZ=y diff --git a/arch/mips/configs/pic32mzda_defconfig b/arch/mips/configs/pic32mzda_defconfig index 52192c632ae8..41190c2036e6 100644 --- a/arch/mips/configs/pic32mzda_defconfig +++ b/arch/mips/configs/pic32mzda_defconfig @@ -26,7 +26,6 @@ CONFIG_BINFMT_MISC=m # CONFIG_SUSPEND is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y -# CONFIG_FIRMWARE_IN_KERNEL is not set # CONFIG_ALLOW_DEV_COREDUMP is not set CONFIG_BLK_DEV_LOOP=m CONFIG_SCSI=y diff --git a/arch/mips/configs/qi_lb60_defconfig b/arch/mips/configs/qi_lb60_defconfig index 3f1333517405..3b02ff9a7c64 100644 --- a/arch/mips/configs/qi_lb60_defconfig +++ b/arch/mips/configs/qi_lb60_defconfig @@ -42,7 +42,6 @@ CONFIG_TCP_CONG_WESTWOOD=y # CONFIG_TCP_CONG_HTCP is not set # CONFIG_IPV6 is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_BLOCK=y CONFIG_MTD_NAND=y diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 99679e514042..5f71aa598b06 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -325,15 +325,6 @@ CONFIG_USB_SERIAL_EDGEPORT=m CONFIG_USB_SERIAL_EDGEPORT_TI=m CONFIG_USB_SERIAL_KEYSPAN_PDA=m CONFIG_USB_SERIAL_KEYSPAN=m -CONFIG_USB_SERIAL_KEYSPAN_MPR=y -CONFIG_USB_SERIAL_KEYSPAN_USA28X=y -CONFIG_USB_SERIAL_KEYSPAN_USA28XA=y -CONFIG_USB_SERIAL_KEYSPAN_USA28XB=y -CONFIG_USB_SERIAL_KEYSPAN_USA19W=y -CONFIG_USB_SERIAL_KEYSPAN_USA19QW=y -CONFIG_USB_SERIAL_KEYSPAN_USA19QI=y -CONFIG_USB_SERIAL_KEYSPAN_USA49W=y -CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m diff --git a/arch/mips/configs/rt305x_defconfig b/arch/mips/configs/rt305x_defconfig index c695b7b1c4ae..dbe6a4639d05 100644 --- a/arch/mips/configs/rt305x_defconfig +++ b/arch/mips/configs/rt305x_defconfig @@ -76,7 +76,6 @@ CONFIG_VLAN_8021Q=y CONFIG_NET_SCHED=y CONFIG_HAMRADIO=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y diff --git a/arch/mips/configs/xilfpga_defconfig b/arch/mips/configs/xilfpga_defconfig deleted file mode 100644 index 829c637be3fc..000000000000 --- a/arch/mips/configs/xilfpga_defconfig +++ /dev/null @@ -1,75 +0,0 @@ -CONFIG_MACH_XILFPGA=y -# CONFIG_COMPACTION is not set -# CONFIG_LOCALVERSION_AUTO is not set -CONFIG_EMBEDDED=y -# CONFIG_VM_EVENT_COUNTERS is not set -# CONFIG_COMPAT_BRK is not set -CONFIG_SLAB=y -# CONFIG_BLOCK is not set -# CONFIG_SUSPEND is not set -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_INET=y -# CONFIG_IPV6 is not set -# CONFIG_WIRELESS is not set -# CONFIG_UEVENT_HELPER is not set -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -# CONFIG_STANDALONE is not set -# CONFIG_PREVENT_FIRMWARE_BUILD is not set -# CONFIG_FW_LOADER is not set -# CONFIG_ALLOW_DEV_COREDUMP is not set -CONFIG_NETDEVICES=y -# CONFIG_NET_CORE is not set -# CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set -# CONFIG_NET_VENDOR_BROADCOM is not set -# CONFIG_NET_VENDOR_EZCHIP is not set -# CONFIG_NET_VENDOR_INTEL is not set -# CONFIG_NET_VENDOR_MARVELL is not set -# CONFIG_NET_VENDOR_MICREL is not set -# CONFIG_NET_VENDOR_NATSEMI is not set -# CONFIG_NET_VENDOR_NETRONOME is not set -# CONFIG_NET_VENDOR_QUALCOMM is not set -# CONFIG_NET_VENDOR_RENESAS is not set -# CONFIG_NET_VENDOR_ROCKER is not set -# CONFIG_NET_VENDOR_SAMSUNG is not set -# CONFIG_NET_VENDOR_SEEQ is not set -# CONFIG_NET_VENDOR_SMSC is not set -# CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set -# CONFIG_NET_VENDOR_VIA is not set -# CONFIG_NET_VENDOR_WIZNET is not set -CONFIG_XILINX_EMACLITE=y -CONFIG_SMSC_PHY=y -# CONFIG_WLAN is not set -# CONFIG_INPUT_MOUSEDEV is not set -# CONFIG_INPUT_KEYBOARD is not set -# CONFIG_INPUT_MOUSE is not set -# CONFIG_SERIO is not set -CONFIG_VT_HW_CONSOLE_BINDING=y -# CONFIG_UNIX98_PTYS is not set -# CONFIG_LEGACY_PTYS is not set -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_SERIAL_OF_PLATFORM=y -# CONFIG_HW_RANDOM is not set -CONFIG_I2C=y -CONFIG_I2C_CHARDEV=y -# CONFIG_I2C_HELPER_AUTO is not set -CONFIG_I2C_XILINX=y -CONFIG_GPIO_SYSFS=y -CONFIG_GPIO_XILINX=y -CONFIG_SENSORS_ADT7410=y -# CONFIG_USB_SUPPORT is not set -# CONFIG_MIPS_PLATFORM_DEVICES is not set -# CONFIG_IOMMU_SUPPORT is not set -# CONFIG_PROC_PAGE_MONITOR is not set -CONFIG_TMPFS=y -# CONFIG_MISC_FILESYSTEMS is not set -CONFIG_PANIC_ON_OOPS=y -# CONFIG_SCHED_DEBUG is not set -# CONFIG_FTRACE is not set -CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="console=ttyS0,115200" diff --git a/arch/mips/configs/xway_defconfig b/arch/mips/configs/xway_defconfig index 4365108bef77..fa750d501c11 100644 --- a/arch/mips/configs/xway_defconfig +++ b/arch/mips/configs/xway_defconfig @@ -75,7 +75,6 @@ CONFIG_VLAN_8021Q=y CONFIG_NET_SCHED=y CONFIG_HAMRADIO=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig index 0b67c46666cc..52e0286a1612 100644 --- a/arch/mips/generic/Kconfig +++ b/arch/mips/generic/Kconfig @@ -43,4 +43,10 @@ config FIT_IMAGE_FDT_NI169445 Enable this to include the FDT for the 169445 platform from National Instruments in the FIT kernel image. +config FIT_IMAGE_FDT_XILFPGA + bool "Include FDT for Xilfpga" + help + Enable this to include the FDT for the MIPSfpga platform + from Imagination Technologies in the FIT kernel image. + endif diff --git a/arch/mips/generic/board-xilfpga.its.S b/arch/mips/generic/board-xilfpga.its.S new file mode 100644 index 000000000000..a2e773d3f14f --- /dev/null +++ b/arch/mips/generic/board-xilfpga.its.S @@ -0,0 +1,22 @@ +/ { + images { + fdt@xilfpga { + description = "MIPSfpga (xilfpga) Device Tree"; + data = /incbin/("boot/dts/xilfpga/nexys4ddr.dtb"); + type = "flat_dt"; + arch = "mips"; + compression = "none"; + hash@0 { + algo = "sha1"; + }; + }; + }; + + configurations { + conf@xilfpga { + description = "MIPSfpga Linux kernel"; + kernel = "kernel@0"; + fdt = "fdt@xilfpga"; + }; + }; +}; diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 7c8aab23bce8..b1f66699677d 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -16,7 +16,6 @@ generic-y += qrwlock.h generic-y += qspinlock.h generic-y += sections.h generic-y += segment.h -generic-y += serial.h generic-y += trace_clock.h generic-y += unaligned.h generic-y += user.h diff --git a/arch/mips/include/asm/asm-prototypes.h b/arch/mips/include/asm/asm-prototypes.h index d60b57f34e92..576f1a62dea9 100644 --- a/arch/mips/include/asm/asm-prototypes.h +++ b/arch/mips/include/asm/asm-prototypes.h @@ -3,5 +3,5 @@ #include <asm/page.h> #include <asm/fpu.h> #include <asm-generic/asm-prototypes.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/ftrace.h> diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h index 83054f79f72a..feb069cbf44e 100644 --- a/arch/mips/include/asm/asmmacro.h +++ b/arch/mips/include/asm/asmmacro.h @@ -19,6 +19,9 @@ #include <asm/asmmacro-64.h> #endif +/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */ +#undef fp + /* * Helper macros for generating raw instruction encodings. */ @@ -105,6 +108,7 @@ .macro fpu_save_16odd thread .set push .set mips64r2 + .set fp=64 SET_HARDFLOAT sdc1 $f1, THREAD_FPR1(\thread) sdc1 $f3, THREAD_FPR3(\thread) @@ -126,8 +130,8 @@ .endm .macro fpu_save_double thread status tmp -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) sll \tmp, \status, 5 bgez \tmp, 10f fpu_save_16odd \thread @@ -163,6 +167,7 @@ .macro fpu_restore_16odd thread .set push .set mips64r2 + .set fp=64 SET_HARDFLOAT ldc1 $f1, THREAD_FPR1(\thread) ldc1 $f3, THREAD_FPR3(\thread) @@ -184,8 +189,8 @@ .endm .macro fpu_restore_double thread status tmp -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) sll \tmp, \status, 5 bgez \tmp, 10f # 16 register mode? @@ -234,9 +239,6 @@ .endm #ifdef TOOLCHAIN_SUPPORTS_MSA -/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */ -#undef fp - .macro _cfcmsa rd, cs .set push .set mips32r2 diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index fa57cef12a46..da1b8718861e 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -456,6 +456,7 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long * { smp_mb__before_llsc(); __clear_bit(nr, addr); + nudge_writes(); } /* diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index 7e25c5cc353a..89e9fb7976fe 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -204,8 +204,10 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #else #include <asm-generic/cmpxchg-local.h> #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) +#ifndef CONFIG_SMP #define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n)) #endif +#endif #undef __scbeqz diff --git a/arch/mips/include/asm/compat-signal.h b/arch/mips/include/asm/compat-signal.h index e87cd243b0f4..c3b7a2550d1d 100644 --- a/arch/mips/include/asm/compat-signal.h +++ b/arch/mips/include/asm/compat-signal.h @@ -14,45 +14,16 @@ static inline int __copy_conv_sigset_to_user(compat_sigset_t __user *d, const sigset_t *s) { - int err; + BUILD_BUG_ON(sizeof(*d) != sizeof(*s)); + BUILD_BUG_ON(_NSIG_WORDS != 2); - BUG_ON(sizeof(*d) != sizeof(*s)); - BUG_ON(_NSIG_WORDS != 2); - - err = __put_user(s->sig[0], &d->sig[0]); - err |= __put_user(s->sig[0] >> 32, &d->sig[1]); - err |= __put_user(s->sig[1], &d->sig[2]); - err |= __put_user(s->sig[1] >> 32, &d->sig[3]); - - return err; + return put_compat_sigset(d, s, sizeof(*d)); } static inline int __copy_conv_sigset_from_user(sigset_t *d, const compat_sigset_t __user *s) { - int err; - union sigset_u { - sigset_t s; - compat_sigset_t c; - } *u = (union sigset_u *) d; - - BUG_ON(sizeof(*d) != sizeof(*s)); - BUG_ON(_NSIG_WORDS != 2); - -#ifdef CONFIG_CPU_BIG_ENDIAN - err = __get_user(u->c.sig[1], &s->sig[0]); - err |= __get_user(u->c.sig[0], &s->sig[1]); - err |= __get_user(u->c.sig[3], &s->sig[2]); - err |= __get_user(u->c.sig[2], &s->sig[3]); -#endif -#ifdef CONFIG_CPU_LITTLE_ENDIAN - err = __get_user(u->c.sig[0], &s->sig[0]); - err |= __get_user(u->c.sig[1], &s->sig[1]); - err |= __get_user(u->c.sig[2], &s->sig[2]); - err |= __get_user(u->c.sig[3], &s->sig[3]); -#endif - - return err; + return get_compat_sigset(d, s); } #endif /* __ASM_COMPAT_SIGNAL_H */ diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index 8e2b5b556488..946681db8dc3 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -126,81 +126,7 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */ typedef u32 compat_sigset_word; -typedef union compat_sigval { - compat_int_t sival_int; - compat_uptr_t sival_ptr; -} compat_sigval_t; - -/* Can't use the generic version because si_code and si_errno are swapped */ - -#define SI_PAD_SIZE32 (128/sizeof(int) - 3) - -typedef struct compat_siginfo { - int si_signo; - int si_code; - int si_errno; - - union { - int _pad[128 / sizeof(int) - 3]; - - /* kill() */ - struct { - compat_pid_t _pid; /* sender's pid */ - __compat_uid32_t _uid; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - compat_timer_t _tid; /* timer id */ - int _overrun; /* overrun count */ - compat_sigval_t _sigval; /* same as below */ - } _timer; - - /* POSIX.1b signals */ - struct { - compat_pid_t _pid; /* sender's pid */ - __compat_uid32_t _uid; /* sender's uid */ - compat_sigval_t _sigval; - } _rt; - - /* SIGCHLD */ - struct { - compat_pid_t _pid; /* which child */ - __compat_uid32_t _uid; /* sender's uid */ - int _status; /* exit code */ - compat_clock_t _utime; - compat_clock_t _stime; - } _sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - compat_uptr_t _addr; /* faulting insn/memory ref. */ -#ifdef __ARCH_SI_TRAPNO - int _trapno; /* TRAP # which caused the signal */ -#endif - short _addr_lsb; /* LSB of the reported address */ - struct { - compat_uptr_t _lower; - compat_uptr_t _upper; - } _addr_bnd; - } _sigfault; - - /* SIGPOLL */ - struct { - compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */ - int _fd; - } _sigpoll; - - struct { - compat_uptr_t _call_addr; /* calling insn */ - int _syscall; /* triggering system call number */ - compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */ - } _sigsys; - } _sifields; -} compat_siginfo_t; - #define COMPAT_OFF_T_MAX 0x7fffffff -#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL /* * A pointer passed in from user mode. This should not diff --git a/arch/mips/include/asm/dma-direct.h b/arch/mips/include/asm/dma-direct.h new file mode 100644 index 000000000000..f32f15530aba --- /dev/null +++ b/arch/mips/include/asm/dma-direct.h @@ -0,0 +1 @@ +#include <asm/dma-coherence.h> diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index 42f8cbad6c23..886e75a383f2 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -17,19 +17,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return mips_dma_map_ops; } -static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) -{ - if (!dev->dma_mask) - return false; - - return addr + size <= *dev->dma_mask; -} - -static inline void dma_mark_clean(void *addr, size_t size) {} - -extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction direction); - #define arch_setup_dma_ops arch_setup_dma_ops static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, const struct iommu_ops *iommu, diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h index c0bd47444cff..da39e4d326ba 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h @@ -55,6 +55,10 @@ struct bcm63xx_enet_platform_data { /* DMA descriptor shift */ unsigned int dma_desc_shift; + + /* dma channel ids */ + int rx_chan; + int tx_chan; }; /* diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h index 9110988b92a1..138edf6b5b48 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h +++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h @@ -61,6 +61,14 @@ static inline void plat_post_dma_flush(struct device *dev) { } +static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) +{ + if (!dev->dma_mask) + return false; + + return addr + size - 1 <= *dev->dma_mask; +} + dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h index 61addb1677e9..8ad7a40ca786 100644 --- a/arch/mips/include/asm/mach-generic/dma-coherence.h +++ b/arch/mips/include/asm/mach-generic/dma-coherence.h @@ -70,16 +70,4 @@ static inline void plat_post_dma_flush(struct device *dev) } #endif -#ifdef CONFIG_SWIOTLB -static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -{ - return paddr; -} - -static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) -{ - return daddr; -} -#endif - #endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/mach-loongson64/dma-coherence.h b/arch/mips/include/asm/mach-loongson64/dma-coherence.h index 1602a9e9e8c2..b1b575f5c6c1 100644 --- a/arch/mips/include/asm/mach-loongson64/dma-coherence.h +++ b/arch/mips/include/asm/mach-loongson64/dma-coherence.h @@ -17,6 +17,14 @@ struct device; +static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) +{ + if (!dev->dma_mask) + return false; + + return addr + size - 1 <= *dev->dma_mask; +} + extern dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); extern phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index a6810923b3f0..6b1f1ad0542c 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1355,19 +1355,17 @@ do { \ if (sel == 0) \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ - "dmfc0\t%M0, " #source "\n\t" \ - "dsll\t%L0, %M0, 32\n\t" \ - "dsra\t%M0, %M0, 32\n\t" \ - "dsra\t%L0, %L0, 32\n\t" \ + "dmfc0\t%L0, " #source "\n\t" \ + "dsra\t%M0, %L0, 32\n\t" \ + "sll\t%L0, %L0, 0\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ else \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ - "dmfc0\t%M0, " #source ", " #sel "\n\t" \ - "dsll\t%L0, %M0, 32\n\t" \ - "dsra\t%M0, %M0, 32\n\t" \ - "dsra\t%L0, %L0, 32\n\t" \ + "dmfc0\t%L0, " #source ", " #sel "\n\t" \ + "dsra\t%M0, %L0, 32\n\t" \ + "sll\t%L0, %L0, 0\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ local_irq_restore(__flags); \ diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h index a6e6cbebe046..57616649b4f3 100644 --- a/arch/mips/include/asm/netlogic/common.h +++ b/arch/mips/include/asm/netlogic/common.h @@ -87,9 +87,6 @@ unsigned int nlm_get_cpu_frequency(void); extern const struct plat_smp_ops nlm_smp_ops; extern char nlm_reset_entry[], nlm_reset_entry_end[]; -/* SWIOTLB */ -extern const struct dma_map_ops nlm_swiotlb_dma_ops; - extern unsigned int nlm_threads_per_core; extern cpumask_t nlm_cpumask; diff --git a/arch/mips/include/asm/octeon/cvmx-fpa.h b/arch/mips/include/asm/octeon/cvmx-fpa.h index c00501d0f7ae..29ae63606ab4 100644 --- a/arch/mips/include/asm/octeon/cvmx-fpa.h +++ b/arch/mips/include/asm/octeon/cvmx-fpa.h @@ -36,6 +36,8 @@ #ifndef __CVMX_FPA_H__ #define __CVMX_FPA_H__ +#include <linux/delay.h> + #include <asm/octeon/cvmx-address.h> #include <asm/octeon/cvmx-fpa-defs.h> @@ -165,7 +167,7 @@ static inline void cvmx_fpa_enable(void) } /* Enforce a 10 cycle delay between config and enable */ - cvmx_wait(10); + __delay(10); } /* FIXME: CVMX_FPA_CTL_STATUS read is unmodelled */ diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h index 205ab2ce10f8..25854abc95f8 100644 --- a/arch/mips/include/asm/octeon/cvmx.h +++ b/arch/mips/include/asm/octeon/cvmx.h @@ -30,6 +30,7 @@ #include <linux/kernel.h> #include <linux/string.h> +#include <linux/delay.h> enum cvmx_mips_space { CVMX_MIPS_SPACE_XKSEG = 3LL, @@ -429,18 +430,6 @@ static inline uint64_t cvmx_get_cycle(void) } /** - * Wait for the specified number of cycle - * - */ -static inline void cvmx_wait(uint64_t cycles) -{ - uint64_t done = cvmx_get_cycle() + cycles; - - while (cvmx_get_cycle() < done) - ; /* Spin */ -} - -/** * Reads a chip global cycle counter. This counts CPU cycles since * chip reset. The counter is 64 bit. * This register does not exist on CN38XX pass 1 silicion @@ -481,7 +470,7 @@ static inline uint64_t cvmx_get_cycle_global(void) result = -1; \ break; \ } else \ - cvmx_wait(100); \ + __delay(100); \ } \ } while (0); \ result; \ diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 5f987598054f..ad461216b5a1 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -240,8 +240,8 @@ static inline int pfn_valid(unsigned long pfn) #endif -#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys((void *) \ - (kaddr)))) +#define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr))) +#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) extern int __virt_addr_valid(const volatile void *kaddr); #define virt_addr_valid(kaddr) \ diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 52f551ee492d..2339f42f047a 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -106,8 +106,6 @@ extern unsigned long PCIBIOS_MIN_MEM; #define PCIBIOS_MIN_CARDBUS_IO 0x4000 -extern void pcibios_set_master(struct pci_dev *dev); - #define HAVE_PCI_MMAP #define ARCH_GENERIC_PCI_MMAP_RESOURCE #define HAVE_ARCH_PCI_RESOURCE_TO_USER @@ -123,8 +121,6 @@ extern void pcibios_set_master(struct pci_dev *dev); #include <linux/string.h> #include <asm/io.h> -struct pci_dev; - /* * The PCI address space does equal the physical memory address space. * The networking and block device layers use this boolean for bounce diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 67fe6dc5211c..0036ea0c7173 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -31,12 +31,7 @@ * tables. Each page table is also a single 4K page, giving 512 (== * PTRS_PER_PTE) 8 byte ptes. Each pud entry is initialized to point to * invalid_pmd_table, each pmd entry is initialized to point to - * invalid_pte_table, each pte is initialized to 0. When memory is low, - * and a pmd table or a page table allocation fails, empty_bad_pmd_table - * and empty_bad_page_table is returned back to higher layer code, so - * that the failure is recognized later on. Linux does not seem to - * handle these failures very well though. The empty_bad_page_table has - * invalid pte entries in it, to force page faults. + * invalid_pte_table, each pte is initialized to 0. * * Kernel mappings: kernel mappings are held in the swapper_pg_table. * The layout is identical to userspace except it's indexed with the @@ -175,7 +170,6 @@ printk("%s:%d: bad pgd %016lx.\n", __FILE__, __LINE__, pgd_val(e)) extern pte_t invalid_pte_table[PTRS_PER_PTE]; -extern pte_t empty_bad_page_table[PTRS_PER_PTE]; #ifndef __PAGETABLE_PUD_FOLDED /* diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 9e9e94415d08..129e0328367f 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -534,6 +534,9 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, #ifdef CONFIG_TRANSPARENT_HUGEPAGE +/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/ +#define pmdp_establish generic_pmdp_establish + #define has_transparent_hugepage has_transparent_hugepage extern int has_transparent_hugepage(void); @@ -552,7 +555,7 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd) extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); -#define __HAVE_ARCH_PMD_WRITE +#define pmd_write pmd_write static inline int pmd_write(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_WRITE); diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 95b8c471f572..af34afbc32d9 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -368,8 +368,6 @@ struct task_struct; /* Free all resources held by a thread. */ #define release_thread(thread) do { } while(0) -extern unsigned long thread_saved_pc(struct task_struct *tsk); - /* * Do necessary setup to start up a newly executed thread. */ diff --git a/arch/mips/include/asm/serial.h b/arch/mips/include/asm/serial.h new file mode 100644 index 000000000000..1d830c6666c2 --- /dev/null +++ b/arch/mips/include/asm/serial.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2017 MIPS Tech, LLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#ifndef __ASM__SERIAL_H +#define __ASM__SERIAL_H + +#ifdef CONFIG_MIPS_GENERIC +/* + * Generic kernels cannot know a correct value for all platforms at + * compile time. Set it to 0 to prevent 8250_early using it + */ +#define BASE_BAUD 0 +#else +#include <asm-generic/serial.h> +#endif + +#endif /* __ASM__SERIAL_H */ diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 9e494f8d9c03..88ebd83b3bf9 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -29,7 +29,7 @@ extern cpumask_t cpu_foreign_map[]; /* Map from cpu id to sequential logical cpu number. This will only not be idempotent when cpus failed to come on-line. */ -extern int __cpu_number_map[NR_CPUS]; +extern int __cpu_number_map[CONFIG_MIPS_NR_CPU_NR_MAP]; #define cpu_number_map(cpu) __cpu_number_map[cpu] /* The reverse map from sequential logical cpu number to cpu id. */ diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index a7d21da16b6a..ee81297d9117 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -13,11 +13,4 @@ #include <asm/qrwlock.h> #include <asm/qspinlock.h> -#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) -#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) - -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - #endif /* _ASM_SPINLOCK_H */ diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 7c713025b23f..0170602a1e4e 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -26,12 +26,34 @@ #define __NR_syscall 4000 #endif +static inline bool mips_syscall_is_indirect(struct task_struct *task, + struct pt_regs *regs) +{ + /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */ + return (IS_ENABLED(CONFIG_32BIT) || + test_tsk_thread_flag(task, TIF_32BIT_REGS)) && + (regs->regs[2] == __NR_syscall); +} + static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return current_thread_info()->syscall; } +static inline void mips_syscall_update_nr(struct task_struct *task, + struct pt_regs *regs) +{ + /* + * v0 is the system call number, except for O32 ABI syscall(), where it + * ends up in a0. + */ + if (mips_syscall_is_indirect(task, regs)) + task_thread_info(task)->syscall = regs->regs[4]; + else + task_thread_info(task)->syscall = regs->regs[2]; +} + static inline unsigned long mips_get_syscall_arg(unsigned long *arg, struct task_struct *task, struct pt_regs *regs, unsigned int n) { @@ -98,10 +120,9 @@ static inline void syscall_get_arguments(struct task_struct *task, unsigned long *args) { int ret; - /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */ - if ((IS_ENABLED(CONFIG_32BIT) || - test_tsk_thread_flag(task, TIF_32BIT_REGS)) && - (regs->regs[2] == __NR_syscall)) + + /* O32 ABI syscall() */ + if (mips_syscall_is_indirect(task, regs)) i++; while (n--) diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 5e8927f99a76..4993db40482c 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -49,9 +49,6 @@ struct thread_info { .addr_limit = KERNEL_DS, \ } -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) - /* How to get the thread information struct from C. */ register struct thread_info *__current_thread_info __asm__("$28"); diff --git a/arch/mips/include/asm/vdso.h b/arch/mips/include/asm/vdso.h index b7cd6cf77b83..91bf0c2c265c 100644 --- a/arch/mips/include/asm/vdso.h +++ b/arch/mips/include/asm/vdso.h @@ -99,7 +99,7 @@ static inline u32 vdso_data_read_begin(const union mips_vdso_data *data) u32 seq; while (true) { - seq = ACCESS_ONCE(data->seq_count); + seq = READ_ONCE(data->seq_count); if (likely(!(seq & 1))) { /* Paired with smp_wmb() in vdso_data_write_*(). */ smp_rmb(); diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild index a0266feba9e6..7a4becd8963a 100644 --- a/arch/mips/include/uapi/asm/Kbuild +++ b/arch/mips/include/uapi/asm/Kbuild @@ -1,4 +1,5 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +generic-y += bpf_perf_event.h generic-y += ipcbuf.h diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h index 20c3df7a8fdd..606e02ca4b6c 100644 --- a/arch/mips/include/uapi/asm/mman.h +++ b/arch/mips/include/uapi/asm/mman.h @@ -29,6 +29,7 @@ */ #define MAP_SHARED 0x001 /* Share changes */ #define MAP_PRIVATE 0x002 /* Changes are private */ +#define MAP_SHARED_VALIDATE 0x003 /* share + validate extension flags */ #define MAP_TYPE 0x00f /* Mask for type of mapping */ #define MAP_FIXED 0x010 /* Interpret addr exactly */ diff --git a/arch/mips/include/uapi/asm/poll.h b/arch/mips/include/uapi/asm/poll.h index ad289d7b7434..3173f8917128 100644 --- a/arch/mips/include/uapi/asm/poll.h +++ b/arch/mips/include/uapi/asm/poll.h @@ -2,8 +2,25 @@ #ifndef __ASM_POLL_H #define __ASM_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 0x0100 +#define POLLWRBAND (__force __poll_t)0x0100 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h index f17d8163dec6..262504bd59a5 100644 --- a/arch/mips/include/uapi/asm/siginfo.h +++ b/arch/mips/include/uapi/asm/siginfo.h @@ -14,8 +14,6 @@ #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int)) #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */ -#define HAVE_ARCH_SIGINFO_T - /* * Careful to keep union _sifields from shifting ... */ @@ -27,92 +25,10 @@ #error _MIPS_SZLONG neither 32 nor 64 #endif -#define __ARCH_SIGSYS +#define __ARCH_HAS_SWAPPED_SIGINFO #include <asm-generic/siginfo.h> -/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */ -typedef struct siginfo { - int si_signo; - int si_code; - int si_errno; - int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3]; - - union { - int _pad[SI_PAD_SIZE]; - - /* kill() */ - struct { - __kernel_pid_t _pid; /* sender's pid */ - __ARCH_SI_UID_T _uid; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - __kernel_timer_t _tid; /* timer id */ - int _overrun; /* overrun count */ - char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)]; - sigval_t _sigval; /* same as below */ - int _sys_private; /* not to be passed to user */ - } _timer; - - /* POSIX.1b signals */ - struct { - __kernel_pid_t _pid; /* sender's pid */ - __ARCH_SI_UID_T _uid; /* sender's uid */ - sigval_t _sigval; - } _rt; - - /* SIGCHLD */ - struct { - __kernel_pid_t _pid; /* which child */ - __ARCH_SI_UID_T _uid; /* sender's uid */ - int _status; /* exit code */ - __kernel_clock_t _utime; - __kernel_clock_t _stime; - } _sigchld; - - /* IRIX SIGCHLD */ - struct { - __kernel_pid_t _pid; /* which child */ - __kernel_clock_t _utime; - int _status; /* exit code */ - __kernel_clock_t _stime; - } _irix_sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - void __user *_addr; /* faulting insn/memory ref. */ -#ifdef __ARCH_SI_TRAPNO - int _trapno; /* TRAP # which caused the signal */ -#endif - short _addr_lsb; - union { - /* used when si_code=SEGV_BNDERR */ - struct { - void __user *_lower; - void __user *_upper; - } _addr_bnd; - /* used when si_code=SEGV_PKUERR */ - __u32 _pkey; - }; - } _sigfault; - - /* SIGPOLL, SIGXFSZ (To do ...) */ - struct { - __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */ - int _fd; - } _sigpoll; - - /* SIGSYS */ - struct { - void __user *_call_addr; /* calling user insn */ - int _syscall; /* triggering system call number */ - unsigned int _arch; /* AUDIT_ARCH_* of syscall */ - } _sigsys; - } _sifields; -} siginfo_t; - /* * si_code values * Again these have been chosen to be IRIX compatible. diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index c7ed26029cbb..e68e6e04063a 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -235,6 +235,7 @@ LEAF(mips_cps_core_init) has_mt t0, 3f .set push + .set MIPS_ISA_LEVEL_RAW .set mt /* Only allow 1 TC per VPE to execute... */ @@ -388,6 +389,7 @@ LEAF(mips_cps_boot_vpes) #elif defined(CONFIG_MIPS_MT) .set push + .set MIPS_ISA_LEVEL_RAW .set mt /* If the core doesn't support MT then return */ diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index dd5567b1e305..8f5bd04f320a 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -292,7 +292,6 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core, *this_cpu_ptr(&cm_core_lock_flags)); } else { WARN_ON(cluster != 0); - WARN_ON(vp != 0); WARN_ON(block != CM_GCR_Cx_OTHER_BLOCK_LOCAL); /* diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c index 9dd624c2fe56..421e06dfee72 100644 --- a/arch/mips/kernel/pm-cps.c +++ b/arch/mips/kernel/pm-cps.c @@ -166,7 +166,7 @@ int cps_pm_enter_state(enum cps_pm_state state) nc_core_ready_count = nc_addr; /* Ensure ready_count is zero-initialised before the assembly runs */ - ACCESS_ONCE(*nc_core_ready_count) = 0; + WRITE_ONCE(*nc_core_ready_count, 0); coupled_barrier(&per_cpu(pm_barrier, core), online); /* Run the generated entry code */ diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index c5ff6bfe2825..57028d49c202 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -487,7 +487,7 @@ arch_initcall(frame_info_init); /* * Return saved PC of a blocked thread. */ -unsigned long thread_saved_pc(struct task_struct *tsk) +static unsigned long thread_saved_pc(struct task_struct *tsk) { struct thread_struct *t = &tsk->thread; @@ -705,6 +705,18 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) struct task_struct *t; int max_users; + /* If nothing to change, return right away, successfully. */ + if (value == mips_get_process_fp_mode(task)) + return 0; + + /* Only accept a mode change if 64-bit FP enabled for o32. */ + if (!IS_ENABLED(CONFIG_MIPS_O32_FP64_SUPPORT)) + return -EOPNOTSUPP; + + /* And only for o32 tasks. */ + if (IS_ENABLED(CONFIG_64BIT) && !test_thread_flag(TIF_32BIT_REGS)) + return -EOPNOTSUPP; + /* Check the value is valid */ if (value & ~known_bits) return -EOPNOTSUPP; diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 1395654cfc8d..0b23b1ad99e6 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -144,6 +144,9 @@ int ptrace_setregs(struct task_struct *child, struct user_pt_regs __user *data) /* badvaddr, status, and cause may not be written. */ + /* System call number may have been changed */ + mips_syscall_update_nr(child, regs); + return 0; } @@ -345,6 +348,9 @@ static int gpr32_set(struct task_struct *target, } } + /* System call number may have been changed */ + mips_syscall_update_nr(target, regs); + return 0; } @@ -405,68 +411,168 @@ static int gpr64_set(struct task_struct *target, } } + /* System call number may have been changed */ + mips_syscall_update_nr(target, regs); + return 0; } #endif /* CONFIG_64BIT */ +/* + * Copy the floating-point context to the supplied NT_PRFPREG buffer, + * !CONFIG_CPU_HAS_MSA variant. FP context's general register slots + * correspond 1:1 to buffer slots. Only general registers are copied. + */ +static int fpr_get_fpa(struct task_struct *target, + unsigned int *pos, unsigned int *count, + void **kbuf, void __user **ubuf) +{ + return user_regset_copyout(pos, count, kbuf, ubuf, + &target->thread.fpu, + 0, NUM_FPU_REGS * sizeof(elf_fpreg_t)); +} + +/* + * Copy the floating-point context to the supplied NT_PRFPREG buffer, + * CONFIG_CPU_HAS_MSA variant. Only lower 64 bits of FP context's + * general register slots are copied to buffer slots. Only general + * registers are copied. + */ +static int fpr_get_msa(struct task_struct *target, + unsigned int *pos, unsigned int *count, + void **kbuf, void __user **ubuf) +{ + unsigned int i; + u64 fpr_val; + int err; + + BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t)); + for (i = 0; i < NUM_FPU_REGS; i++) { + fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0); + err = user_regset_copyout(pos, count, kbuf, ubuf, + &fpr_val, i * sizeof(elf_fpreg_t), + (i + 1) * sizeof(elf_fpreg_t)); + if (err) + return err; + } + + return 0; +} + +/* + * Copy the floating-point context to the supplied NT_PRFPREG buffer. + * Choose the appropriate helper for general registers, and then copy + * the FCSR register separately. + */ static int fpr_get(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { - unsigned i; + const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t); int err; - u64 fpr_val; - /* XXX fcr31 */ + if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) + err = fpr_get_fpa(target, &pos, &count, &kbuf, &ubuf); + else + err = fpr_get_msa(target, &pos, &count, &kbuf, &ubuf); + if (err) + return err; + + err = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.fcr31, + fcr31_pos, fcr31_pos + sizeof(u32)); - if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t)) - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu, - 0, sizeof(elf_fpregset_t)); + return err; +} - for (i = 0; i < NUM_FPU_REGS; i++) { - fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0); - err = user_regset_copyout(&pos, &count, &kbuf, &ubuf, - &fpr_val, i * sizeof(elf_fpreg_t), - (i + 1) * sizeof(elf_fpreg_t)); +/* + * Copy the supplied NT_PRFPREG buffer to the floating-point context, + * !CONFIG_CPU_HAS_MSA variant. Buffer slots correspond 1:1 to FP + * context's general register slots. Only general registers are copied. + */ +static int fpr_set_fpa(struct task_struct *target, + unsigned int *pos, unsigned int *count, + const void **kbuf, const void __user **ubuf) +{ + return user_regset_copyin(pos, count, kbuf, ubuf, + &target->thread.fpu, + 0, NUM_FPU_REGS * sizeof(elf_fpreg_t)); +} + +/* + * Copy the supplied NT_PRFPREG buffer to the floating-point context, + * CONFIG_CPU_HAS_MSA variant. Buffer slots are copied to lower 64 + * bits only of FP context's general register slots. Only general + * registers are copied. + */ +static int fpr_set_msa(struct task_struct *target, + unsigned int *pos, unsigned int *count, + const void **kbuf, const void __user **ubuf) +{ + unsigned int i; + u64 fpr_val; + int err; + + BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t)); + for (i = 0; i < NUM_FPU_REGS && *count > 0; i++) { + err = user_regset_copyin(pos, count, kbuf, ubuf, + &fpr_val, i * sizeof(elf_fpreg_t), + (i + 1) * sizeof(elf_fpreg_t)); if (err) return err; + set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val); } return 0; } +/* + * Copy the supplied NT_PRFPREG buffer to the floating-point context. + * Choose the appropriate helper for general registers, and then copy + * the FCSR register separately. + * + * We optimize for the case where `count % sizeof(elf_fpreg_t) == 0', + * which is supposed to have been guaranteed by the kernel before + * calling us, e.g. in `ptrace_regset'. We enforce that requirement, + * so that we can safely avoid preinitializing temporaries for + * partial register writes. + */ static int fpr_set(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { - unsigned i; + const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t); + u32 fcr31; int err; - u64 fpr_val; - /* XXX fcr31 */ + BUG_ON(count % sizeof(elf_fpreg_t)); + + if (pos + count > sizeof(elf_fpregset_t)) + return -EIO; init_fp_ctx(target); - if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t)) - return user_regset_copyin(&pos, &count, &kbuf, &ubuf, - &target->thread.fpu, - 0, sizeof(elf_fpregset_t)); + if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) + err = fpr_set_fpa(target, &pos, &count, &kbuf, &ubuf); + else + err = fpr_set_msa(target, &pos, &count, &kbuf, &ubuf); + if (err) + return err; - BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t)); - for (i = 0; i < NUM_FPU_REGS && count >= sizeof(elf_fpreg_t); i++) { + if (count > 0) { err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - &fpr_val, i * sizeof(elf_fpreg_t), - (i + 1) * sizeof(elf_fpreg_t)); + &fcr31, + fcr31_pos, fcr31_pos + sizeof(u32)); if (err) return err; - set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val); + + ptrace_setfcr31(target, fcr31); } - return 0; + return err; } enum mips_regset { @@ -618,6 +724,19 @@ static const struct user_regset_view user_mips64_view = { .n = ARRAY_SIZE(mips64_regsets), }; +#ifdef CONFIG_MIPS32_N32 + +static const struct user_regset_view user_mipsn32_view = { + .name = "mipsn32", + .e_flags = EF_MIPS_ABI2, + .e_machine = ELF_ARCH, + .ei_osabi = ELF_OSABI, + .regsets = mips64_regsets, + .n = ARRAY_SIZE(mips64_regsets), +}; + +#endif /* CONFIG_MIPS32_N32 */ + #endif /* CONFIG_64BIT */ const struct user_regset_view *task_user_regset_view(struct task_struct *task) @@ -629,6 +748,10 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task) if (test_tsk_thread_flag(task, TIF_32BIT_REGS)) return &user_mips_view; #endif +#ifdef CONFIG_MIPS32_N32 + if (test_tsk_thread_flag(task, TIF_32BIT_ADDR)) + return &user_mipsn32_view; +#endif return &user_mips64_view; #endif } @@ -753,6 +876,12 @@ long arch_ptrace(struct task_struct *child, long request, switch (addr) { case 0 ... 31: regs->regs[addr] = data; + /* System call number may have been changed */ + if (addr == 2) + mips_syscall_update_nr(child, regs); + else if (addr == 4 && + mips_syscall_is_indirect(child, regs)) + mips_syscall_update_nr(child, regs); break; case FPR_BASE ... FPR_BASE + 31: { union fpureg *fregs = get_fpu_regs(child); @@ -864,9 +993,11 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall) current_thread_info()->syscall = syscall; - if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) - return -1; + if (test_thread_flag(TIF_SYSCALL_TRACE)) { + if (tracehook_report_syscall_entry(regs)) + return -1; + syscall = current_thread_info()->syscall; + } #ifdef CONFIG_SECCOMP if (unlikely(test_thread_flag(TIF_SECCOMP))) { @@ -884,6 +1015,7 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall) ret = __secure_computing(&sd); if (ret == -1) return ret; + syscall = current_thread_info()->syscall; } #endif diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 40e212d6b26b..2b9260f92ccd 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -33,6 +33,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/reg.h> +#include <asm/syscall.h> #include <linux/uaccess.h> #include <asm/bootinfo.h> @@ -195,6 +196,12 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, switch (addr) { case 0 ... 31: regs->regs[addr] = data; + /* System call number may have been changed */ + if (addr == 2) + mips_syscall_update_nr(child, regs); + else if (addr == 4 && + mips_syscall_is_indirect(child, regs)) + mips_syscall_update_nr(child, regs); break; case FPR_BASE ... FPR_BASE + 31: { union fpureg *fregs = get_fpu_regs(child); diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S index 0a83b1708b3c..8e3a6020c613 100644 --- a/arch/mips/kernel/r4k_fpu.S +++ b/arch/mips/kernel/r4k_fpu.S @@ -40,8 +40,8 @@ */ LEAF(_save_fp) EXPORT_SYMBOL(_save_fp) -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) mfc0 t0, CP0_STATUS #endif fpu_save_double a0 t0 t1 # clobbers t1 @@ -52,8 +52,8 @@ EXPORT_SYMBOL(_save_fp) * Restore a thread's fp context. */ LEAF(_restore_fp) -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) mfc0 t0, CP0_STATUS #endif fpu_restore_double a0 t0 t1 # clobbers t1 @@ -246,11 +246,11 @@ LEAF(_save_fp_context) cfc1 t1, fcr31 .set pop -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) .set push SET_HARDFLOAT -#ifdef CONFIG_CPU_MIPS32_R2 +#ifdef CONFIG_CPU_MIPSR2 .set mips32r2 .set fp=64 mfc0 t0, CP0_STATUS @@ -314,11 +314,11 @@ LEAF(_save_fp_context) LEAF(_restore_fp_context) EX lw t1, 0(a1) -#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \ - defined(CONFIG_CPU_MIPS32_R6) +#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \ + defined(CONFIG_CPU_MIPSR6) .set push SET_HARDFLOAT -#ifdef CONFIG_CPU_MIPS32_R2 +#ifdef CONFIG_CPU_MIPSR2 .set mips32r2 .set fp=64 mfc0 t0, CP0_STATUS diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index b80dd8b17a76..bbb0f4770c0d 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -336,10 +336,10 @@ static int file_release(struct inode *inode, struct file *filp) return rtlx_release(iminor(inode)); } -static unsigned int file_poll(struct file *file, poll_table *wait) +static __poll_t file_poll(struct file *file, poll_table *wait) { int minor = iminor(file_inode(file)); - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &channel_wqs[minor].rt_queue, wait); poll_wait(file, &channel_wqs[minor].lx_queue, wait); diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index fe3939726765..702c678de116 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -80,6 +80,7 @@ EXPORT_SYMBOL(mips_io_port_base); static struct resource code_resource = { .name = "Kernel code", }; static struct resource data_resource = { .name = "Kernel data", }; +static struct resource bss_resource = { .name = "Kernel bss", }; static void *detect_magic __initdata = detect_memory_region; @@ -927,6 +928,8 @@ static void __init resource_init(void) code_resource.end = __pa_symbol(&_etext) - 1; data_resource.start = __pa_symbol(&_etext); data_resource.end = __pa_symbol(&_edata) - 1; + bss_resource.start = __pa_symbol(&__bss_start); + bss_resource.end = __pa_symbol(&__bss_stop) - 1; for (i = 0; i < boot_mem_map.nr_map; i++) { struct resource *res; @@ -966,6 +969,7 @@ static void __init resource_init(void) */ request_resource(res, &code_resource); request_resource(res, &data_resource); + request_resource(res, &bss_resource); request_crashkernel(res); } } diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index cf5c7c05e5a3..c4db910a8794 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -76,70 +76,3 @@ SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *, return ret; } - -int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) -{ - int err; - - if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t))) - return -EFAULT; - - /* If you change siginfo_t structure, please be sure - this code is fixed accordingly. - It should never copy any pad contained in the structure - to avoid security leaks, but must copy the generic - 3 ints plus the relevant union member. - This routine must convert siginfo from 64bit to 32bit as well - at the same time. */ - err = __put_user(from->si_signo, &to->si_signo); - err |= __put_user(from->si_errno, &to->si_errno); - err |= __put_user(from->si_code, &to->si_code); - if (from->si_code < 0) - err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE); - else { - switch (siginfo_layout(from->si_signo, from->si_code)) { - case SIL_TIMER: - err |= __put_user(from->si_tid, &to->si_tid); - err |= __put_user(from->si_overrun, &to->si_overrun); - err |= __put_user(from->si_int, &to->si_int); - break; - case SIL_CHLD: - err |= __put_user(from->si_utime, &to->si_utime); - err |= __put_user(from->si_stime, &to->si_stime); - err |= __put_user(from->si_status, &to->si_status); - case SIL_KILL: - err |= __put_user(from->si_pid, &to->si_pid); - err |= __put_user(from->si_uid, &to->si_uid); - break; - case SIL_FAULT: - err |= __put_user((unsigned long)from->si_addr, &to->si_addr); - break; - case SIL_POLL: - err |= __put_user(from->si_band, &to->si_band); - err |= __put_user(from->si_fd, &to->si_fd); - break; - case SIL_RT: - err |= __put_user(from->si_pid, &to->si_pid); - err |= __put_user(from->si_uid, &to->si_uid); - err |= __put_user(from->si_int, &to->si_int); - break; - case SIL_SYS: - err |= __copy_to_user(&to->si_call_addr, &from->si_call_addr, - sizeof(compat_uptr_t)); - err |= __put_user(from->si_syscall, &to->si_syscall); - err |= __put_user(from->si_arch, &to->si_arch); - break; - } - } - return err; -} - -int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) -{ - if (copy_from_user(to, from, 3*sizeof(int)) || - copy_from_user(to->_sifields._pad, - from->_sifields._pad, SI_PAD_SIZE32)) - return -EFAULT; - - return 0; -} diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 406072e26752..87dcac2447c8 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -591,11 +591,11 @@ void __init bmips_cpu_setup(void) /* Flush and enable RAC */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0xf, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 88be966d3e61..d84b9066b465 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -48,7 +48,7 @@ #include <asm/setup.h> #include <asm/maar.h> -int __cpu_number_map[NR_CPUS]; /* Map physical to logical */ +int __cpu_number_map[CONFIG_MIPS_NR_CPU_NR_MAP]; /* Map physical to logical */ EXPORT_SYMBOL(__cpu_number_map); int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 5669d3b8bd38..0ae4a731cc12 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -699,11 +699,12 @@ static int simulate_sync(struct pt_regs *regs, unsigned int opcode) asmlinkage void do_ov(struct pt_regs *regs) { enum ctx_state prev_state; - siginfo_t info = { - .si_signo = SIGFPE, - .si_code = FPE_INTOVF, - .si_addr = (void __user *)regs->cp0_epc, - }; + siginfo_t info; + + clear_siginfo(&info); + info.si_signo = SIGFPE; + info.si_code = FPE_INTOVF; + info.si_addr = (void __user *)regs->cp0_epc; prev_state = exception_enter(); die_if_kernel("Integer overflow", regs); @@ -721,7 +722,11 @@ asmlinkage void do_ov(struct pt_regs *regs) void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, struct task_struct *tsk) { - struct siginfo si = { .si_addr = fault_addr, .si_signo = SIGFPE }; + struct siginfo si; + + clear_siginfo(&si); + si.si_addr = fault_addr; + si.si_signo = SIGFPE; if (fcr31 & FPU_CSR_INV_X) si.si_code = FPE_FLTINV; @@ -739,9 +744,10 @@ void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) { - struct siginfo si = { 0 }; + struct siginfo si; struct vm_area_struct *vma; + clear_siginfo(&si); switch (sig) { case 0: return 0; @@ -890,9 +896,10 @@ out: void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code, const char *str) { - siginfo_t info = { 0 }; + siginfo_t info; char b[40]; + clear_siginfo(&info); #ifdef CONFIG_KGDB_LOW_LEVEL_TRAP if (kgdb_ll_trap(DIE_TRAP, str, regs, code, current->thread.trap_nr, SIGTRAP) == NOTIFY_STOP) @@ -1233,18 +1240,6 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action, return NOTIFY_OK; } -static int wait_on_fp_mode_switch(atomic_t *p) -{ - /* - * The FP mode for this task is currently being switched. That may - * involve modifications to the format of this tasks FP context which - * make it unsafe to proceed with execution for the moment. Instead, - * schedule some other task. - */ - schedule(); - return 0; -} - static int enable_restore_fp_context(int msa) { int err, was_fpu_owner, prior_msa; @@ -1254,7 +1249,7 @@ static int enable_restore_fp_context(int msa) * complete before proceeding. */ wait_on_atomic_t(¤t->mm->context.fp_mode_switching, - wait_on_fp_mode_switch, TASK_KILLABLE); + atomic_t_wait, TASK_KILLABLE); if (!used_math()) { /* First time FP context user. */ @@ -1511,9 +1506,13 @@ asmlinkage void do_mdmx(struct pt_regs *regs) */ asmlinkage void do_watch(struct pt_regs *regs) { - siginfo_t info = { .si_signo = SIGTRAP, .si_code = TRAP_HWBKPT }; + siginfo_t info; enum ctx_state prev_state; + clear_siginfo(&info); + info.si_signo = SIGTRAP; + info.si_code = TRAP_HWBKPT; + prev_state = exception_enter(); /* * Clear WP (bit 22) bit of cause register so we don't loop diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index d535edc01434..75fdeaa8c62f 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -445,10 +445,8 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r = -EINTR; - sigset_t sigsaved; - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (vcpu->mmio_needed) { if (!vcpu->mmio_is_write) @@ -480,8 +478,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) local_irq_enable(); out: - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); return r; } diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 7611c3013793..52500d3b7004 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -446,9 +446,9 @@ void __init ltq_soc_init(void) /* add our generic xway clocks */ clkdev_add_pmu("10000000.fpi", NULL, 0, 0, PMU_FPI); - clkdev_add_pmu("1e100400.serial", NULL, 0, 0, PMU_ASC0); clkdev_add_pmu("1e100a00.gptu", NULL, 1, 0, PMU_GPT); clkdev_add_pmu("1e100bb0.stp", NULL, 1, 0, PMU_STP); + clkdev_add_pmu("1e100c00.serial", NULL, 0, 0, PMU_ASC1); clkdev_add_pmu("1e104100.dma", NULL, 1, 0, PMU_DMA); clkdev_add_pmu("1e100800.spi", NULL, 1, 0, PMU_SPI); clkdev_add_pmu("1e105300.ebu", NULL, 0, 0, PMU_EBU); @@ -462,10 +462,8 @@ void __init ltq_soc_init(void) clkdev_add_pmu("1e180000.etop", NULL, 1, 0, PMU_PPE); } - if (!of_machine_is_compatible("lantiq,ase")) { - clkdev_add_pmu("1e100c00.serial", NULL, 0, 0, PMU_ASC1); + if (!of_machine_is_compatible("lantiq,ase")) clkdev_add_pci(); - } if (of_machine_is_compatible("lantiq,grx390") || of_machine_is_compatible("lantiq,ar10")) { diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c index dd292dcec684..5d89e1ec5fcc 100644 --- a/arch/mips/lasat/picvue_proc.c +++ b/arch/mips/lasat/picvue_proc.c @@ -156,7 +156,7 @@ static const struct file_operations pvc_scroll_proc_fops = { .write = pvc_scroll_proc_write, }; -void pvc_proc_timerfunc(unsigned long data) +void pvc_proc_timerfunc(struct timer_list *unused) { if (scroll_dir < 0) pvc_move(DISPLAY|RIGHT); @@ -197,8 +197,7 @@ static int __init pvc_proc_init(void) if (proc_entry == NULL) goto error; - init_timer(&timer); - timer.function = pvc_proc_timerfunc; + timer_setup(&timer, pvc_proc_timerfunc, 0); return 0; error: diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 78c2affeabf8..e84e12655fa8 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -16,4 +16,5 @@ obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o # libgcc-style stuff needed in the kernel -obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o ucmpdi2.o +obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o multi3.o \ + ucmpdi2.o diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h index 28002ed90c2c..199a7f96282f 100644 --- a/arch/mips/lib/libgcc.h +++ b/arch/mips/lib/libgcc.h @@ -10,10 +10,18 @@ typedef int word_type __attribute__ ((mode (__word__))); struct DWstruct { int high, low; }; + +struct TWstruct { + long long high, low; +}; #elif defined(__LITTLE_ENDIAN) struct DWstruct { int low, high; }; + +struct TWstruct { + long long low, high; +}; #else #error I feel sick. #endif @@ -23,4 +31,13 @@ typedef union { long long ll; } DWunion; +#if defined(CONFIG_64BIT) && defined(CONFIG_CPU_MIPSR6) +typedef int ti_type __attribute__((mode(TI))); + +typedef union { + struct TWstruct s; + ti_type ti; +} TWunion; +#endif + #endif /* __ASM_LIBGCC_H */ diff --git a/arch/mips/lib/multi3.c b/arch/mips/lib/multi3.c new file mode 100644 index 000000000000..111ad475aa0c --- /dev/null +++ b/arch/mips/lib/multi3.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/export.h> + +#include "libgcc.h" + +/* + * GCC 7 suboptimally generates __multi3 calls for mips64r6, so for that + * specific case only we'll implement it here. + * + * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 + */ +#if defined(CONFIG_64BIT) && defined(CONFIG_CPU_MIPSR6) && (__GNUC__ == 7) + +/* multiply 64-bit values, low 64-bits returned */ +static inline long long notrace dmulu(long long a, long long b) +{ + long long res; + + asm ("dmulu %0,%1,%2" : "=r" (res) : "r" (a), "r" (b)); + return res; +} + +/* multiply 64-bit unsigned values, high 64-bits of 128-bit result returned */ +static inline long long notrace dmuhu(long long a, long long b) +{ + long long res; + + asm ("dmuhu %0,%1,%2" : "=r" (res) : "r" (a), "r" (b)); + return res; +} + +/* multiply 128-bit values, low 128-bits returned */ +ti_type notrace __multi3(ti_type a, ti_type b) +{ + TWunion res, aa, bb; + + aa.ti = a; + bb.ti = b; + + /* + * a * b = (a.lo * b.lo) + * + 2^64 * (a.hi * b.lo + a.lo * b.hi) + * [+ 2^128 * (a.hi * b.hi)] + */ + res.s.low = dmulu(aa.s.low, bb.s.low); + res.s.high = dmuhu(aa.s.low, bb.s.low); + res.s.high += dmulu(aa.s.high, bb.s.low); + res.s.high += dmulu(aa.s.low, bb.s.high); + + return res.ti; +} +EXPORT_SYMBOL(__multi3); + +#endif /* 64BIT && CPU_MIPSR6 && GCC7 */ diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig index 0d249fc3cfe9..6f109bb54cdb 100644 --- a/arch/mips/loongson64/Kconfig +++ b/arch/mips/loongson64/Kconfig @@ -136,6 +136,7 @@ config SWIOTLB bool "Soft IOMMU Support for All-Memory DMA" default y depends on CPU_LOONGSON3 + select DMA_DIRECT_OPS select IOMMU_HELPER select NEED_SG_DMA_LENGTH select NEED_DMA_MAP_STATE diff --git a/arch/mips/loongson64/common/dma-swiotlb.c b/arch/mips/loongson64/common/dma-swiotlb.c index ef07740cee61..7bbcf89475f3 100644 --- a/arch/mips/loongson64/common/dma-swiotlb.c +++ b/arch/mips/loongson64/common/dma-swiotlb.c @@ -13,32 +13,12 @@ static void *loongson_dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) { - void *ret; + void *ret = swiotlb_alloc(dev, size, dma_handle, gfp, attrs); - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); - - if ((IS_ENABLED(CONFIG_ISA) && dev == NULL) || - (IS_ENABLED(CONFIG_ZONE_DMA) && - dev->coherent_dma_mask < DMA_BIT_MASK(32))) - gfp |= __GFP_DMA; - else if (IS_ENABLED(CONFIG_ZONE_DMA32) && - dev->coherent_dma_mask < DMA_BIT_MASK(40)) - gfp |= __GFP_DMA32; - - gfp |= __GFP_NORETRY; - - ret = swiotlb_alloc_coherent(dev, size, dma_handle, gfp); mb(); return ret; } -static void loongson_dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle, unsigned long attrs) -{ - swiotlb_free_coherent(dev, size, vaddr, dma_handle); -} - static dma_addr_t loongson_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, @@ -109,7 +89,7 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) static const struct dma_map_ops loongson_dma_map_ops = { .alloc = loongson_dma_alloc_coherent, - .free = loongson_dma_free_coherent, + .free = swiotlb_free, .map_page = loongson_dma_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = loongson_dma_map_sg, diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 16d9ef5a78c5..da6c1c0c30c1 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -810,7 +810,7 @@ do { \ #define SITOREG(si, x) \ do { \ if (cop1_64bit(xcp) && !hybrid_fprs()) { \ - unsigned i; \ + unsigned int i; \ set_fpr32(&ctx->fpr[x], 0, si); \ for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val32); i++) \ set_fpr32(&ctx->fpr[x], i, 0); \ @@ -823,7 +823,7 @@ do { \ #define SITOHREG(si, x) \ do { \ - unsigned i; \ + unsigned int i; \ set_fpr32(&ctx->fpr[x], 1, si); \ for (i = 2; i < ARRAY_SIZE(ctx->fpr[x].val32); i++) \ set_fpr32(&ctx->fpr[x], i, 0); \ @@ -834,7 +834,7 @@ do { \ #define DITOREG(di, x) \ do { \ - unsigned fpr, i; \ + unsigned int fpr, i; \ fpr = (x) & ~(cop1_64bit(xcp) ^ 1); \ set_fpr64(&ctx->fpr[fpr], 0, di); \ for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val64); i++) \ @@ -1465,7 +1465,7 @@ DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg); static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, mips_instruction ir, void __user **fault_addr) { - unsigned rcsr = 0; /* resulting csr */ + unsigned int rcsr = 0; /* resulting csr */ MIPS_FPU_EMU_INC_STATS(cp1xops); @@ -1661,10 +1661,10 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, mips_instruction ir) { int rfmt; /* resulting format */ - unsigned rcsr = 0; /* resulting csr */ + unsigned int rcsr = 0; /* resulting csr */ unsigned int oldrm; unsigned int cbit; - unsigned cond; + unsigned int cond; union { union ieee754dp d; union ieee754sp s; @@ -1795,7 +1795,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); SPFROMREG(fd, MIPSInst_FD(ir)); rv.s = ieee754sp_maddf(fd, fs, ft); - break; + goto copcsr; } case fmsubf_op: { @@ -1809,7 +1809,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); SPFROMREG(fd, MIPSInst_FD(ir)); rv.s = ieee754sp_msubf(fd, fs, ft); - break; + goto copcsr; } case frint_op: { @@ -1834,7 +1834,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); rv.w = ieee754sp_2008class(fs); rfmt = w_fmt; - break; + goto copcsr; } case fmin_op: { @@ -1847,7 +1847,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmin(fs, ft); - break; + goto copcsr; } case fmina_op: { @@ -1860,7 +1860,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmina(fs, ft); - break; + goto copcsr; } case fmax_op: { @@ -1873,7 +1873,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmax(fs, ft); - break; + goto copcsr; } case fmaxa_op: { @@ -1886,7 +1886,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmaxa(fs, ft); - break; + goto copcsr; } case fabs_op: @@ -2029,9 +2029,10 @@ copcsr: default: if (!NO_R6EMU && MIPSInst_FUNC(ir) >= fcmp_op) { - unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op; + unsigned int cmpop; union ieee754sp fs, ft; + cmpop = MIPSInst_FUNC(ir) - fcmp_op; SPFROMREG(fs, MIPSInst_FS(ir)); SPFROMREG(ft, MIPSInst_FT(ir)); rv.w = ieee754sp_cmp(fs, ft, @@ -2165,7 +2166,7 @@ copcsr: DPFROMREG(fs, MIPSInst_FS(ir)); DPFROMREG(fd, MIPSInst_FD(ir)); rv.d = ieee754dp_maddf(fd, fs, ft); - break; + goto copcsr; } case fmsubf_op: { @@ -2179,7 +2180,7 @@ copcsr: DPFROMREG(fs, MIPSInst_FS(ir)); DPFROMREG(fd, MIPSInst_FD(ir)); rv.d = ieee754dp_msubf(fd, fs, ft); - break; + goto copcsr; } case frint_op: { @@ -2204,7 +2205,7 @@ copcsr: DPFROMREG(fs, MIPSInst_FS(ir)); rv.l = ieee754dp_2008class(fs); rfmt = l_fmt; - break; + goto copcsr; } case fmin_op: { @@ -2217,7 +2218,7 @@ copcsr: DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmin(fs, ft); - break; + goto copcsr; } case fmina_op: { @@ -2230,7 +2231,7 @@ copcsr: DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmina(fs, ft); - break; + goto copcsr; } case fmax_op: { @@ -2243,7 +2244,7 @@ copcsr: DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmax(fs, ft); - break; + goto copcsr; } case fmaxa_op: { @@ -2256,7 +2257,7 @@ copcsr: DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmaxa(fs, ft); - break; + goto copcsr; } case fabs_op: @@ -2379,9 +2380,10 @@ dcopuop: default: if (!NO_R6EMU && MIPSInst_FUNC(ir) >= fcmp_op) { - unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op; + unsigned int cmpop; union ieee754dp fs, ft; + cmpop = MIPSInst_FUNC(ir) - fcmp_op; DPFROMREG(fs, MIPSInst_FS(ir)); DPFROMREG(ft, MIPSInst_FT(ir)); rv.w = ieee754dp_cmp(fs, ft, diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c index e0d9be5fbf4c..7ad79ed411f5 100644 --- a/arch/mips/math-emu/dp_maddf.c +++ b/arch/mips/math-emu/dp_maddf.c @@ -45,10 +45,10 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, { int re; int rs; - unsigned lxm; - unsigned hxm; - unsigned lym; - unsigned hym; + unsigned int lxm; + unsigned int hxm; + unsigned int lym; + unsigned int hym; u64 lrm; u64 hrm; u64 lzm; diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c index 87d0b44b0614..60c8bfe40947 100644 --- a/arch/mips/math-emu/dp_mul.c +++ b/arch/mips/math-emu/dp_mul.c @@ -26,10 +26,10 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y) int re; int rs; u64 rm; - unsigned lxm; - unsigned hxm; - unsigned lym; - unsigned hym; + unsigned int lxm; + unsigned int hxm; + unsigned int lym; + unsigned int hym; u64 lrm; u64 hrm; u64 t; diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c index cd5bc083001e..cea907b83146 100644 --- a/arch/mips/math-emu/dp_sqrt.c +++ b/arch/mips/math-emu/dp_sqrt.c @@ -21,7 +21,7 @@ #include "ieee754dp.h" -static const unsigned table[] = { +static const unsigned int table[] = { 0, 1204, 3062, 5746, 9193, 13348, 18162, 23592, 29598, 36145, 43202, 50740, 58733, 67158, 75992, 85215, 83599, 71378, 60428, 50647, 41945, 34246, @@ -33,7 +33,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x) { struct _ieee754_csr oldcsr; union ieee754dp y, z, t; - unsigned scalx, yh; + unsigned int scalx, yh; COMPXDP; EXPLODEXDP; diff --git a/arch/mips/math-emu/ieee754.h b/arch/mips/math-emu/ieee754.h index 92dc8fa565cb..e0eb7a965fdf 100644 --- a/arch/mips/math-emu/ieee754.h +++ b/arch/mips/math-emu/ieee754.h @@ -165,11 +165,12 @@ struct _ieee754_csr { }; #define ieee754_csr (*(struct _ieee754_csr *)(¤t->thread.fpu.fcr31)) -static inline unsigned ieee754_getrm(void) +static inline unsigned int ieee754_getrm(void) { return (ieee754_csr.rm); } -static inline unsigned ieee754_setrm(unsigned rm) + +static inline unsigned int ieee754_setrm(unsigned int rm) { return (ieee754_csr.rm = rm); } @@ -177,14 +178,14 @@ static inline unsigned ieee754_setrm(unsigned rm) /* * get current exceptions */ -static inline unsigned ieee754_getcx(void) +static inline unsigned int ieee754_getcx(void) { return (ieee754_csr.cx); } /* test for current exception condition */ -static inline int ieee754_cxtest(unsigned n) +static inline int ieee754_cxtest(unsigned int n) { return (ieee754_csr.cx & n); } @@ -192,21 +193,21 @@ static inline int ieee754_cxtest(unsigned n) /* * get sticky exceptions */ -static inline unsigned ieee754_getsx(void) +static inline unsigned int ieee754_getsx(void) { return (ieee754_csr.sx); } /* clear sticky conditions */ -static inline unsigned ieee754_clrsx(void) +static inline unsigned int ieee754_clrsx(void) { return (ieee754_csr.sx = 0); } /* test for sticky exception condition */ -static inline int ieee754_sxtest(unsigned n) +static inline int ieee754_sxtest(unsigned int n) { return (ieee754_csr.sx & n); } diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h index dd2071f430e0..06ac0e2ac7ac 100644 --- a/arch/mips/math-emu/ieee754int.h +++ b/arch/mips/math-emu/ieee754int.h @@ -54,13 +54,13 @@ static inline int ieee754_class_nan(int xc) } #define COMPXSP \ - unsigned xm; int xe; int xs __maybe_unused; int xc + unsigned int xm; int xe; int xs __maybe_unused; int xc #define COMPYSP \ - unsigned ym; int ye; int ys; int yc + unsigned int ym; int ye; int ys; int yc #define COMPZSP \ - unsigned zm; int ze; int zs; int zc + unsigned int zm; int ze; int zs; int zc #define EXPLODESP(v, vc, vs, ve, vm) \ { \ diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c index 260e68965907..8423e4c5e415 100644 --- a/arch/mips/math-emu/ieee754sp.c +++ b/arch/mips/math-emu/ieee754sp.c @@ -65,7 +65,7 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r) return r; } -static unsigned ieee754sp_get_rounding(int sn, unsigned xm) +static unsigned int ieee754sp_get_rounding(int sn, unsigned int xm) { /* inexact must round of 3 bits */ @@ -96,7 +96,7 @@ static unsigned ieee754sp_get_rounding(int sn, unsigned xm) * xe is an unbiased exponent * xm is 3bit extended precision value. */ -union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm) +union ieee754sp ieee754sp_format(int sn, int xe, unsigned int xm) { assert(xm); /* we don't gen exact zeros (probably should) */ diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h index 0f63e4202cff..8c5a63804873 100644 --- a/arch/mips/math-emu/ieee754sp.h +++ b/arch/mips/math-emu/ieee754sp.h @@ -69,7 +69,7 @@ static inline int ieee754sp_finite(union ieee754sp x) #define SPDNORMY SPDNORMx(ym, ye) #define SPDNORMZ SPDNORMx(zm, ze) -static inline union ieee754sp buildsp(int s, int bx, unsigned m) +static inline union ieee754sp buildsp(int s, int bx, unsigned int m) { union ieee754sp r; diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c index 27f6db3a0a4c..23587b31ca87 100644 --- a/arch/mips/math-emu/sp_div.c +++ b/arch/mips/math-emu/sp_div.c @@ -23,9 +23,9 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y) { - unsigned rm; + unsigned int rm; int re; - unsigned bm; + unsigned int bm; COMPXSP; COMPYSP; diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c index d5d8495b2cc4..1a35d12b6fc8 100644 --- a/arch/mips/math-emu/sp_fint.c +++ b/arch/mips/math-emu/sp_fint.c @@ -23,7 +23,7 @@ union ieee754sp ieee754sp_fint(int x) { - unsigned xm; + unsigned int xm; int xe; int xs; diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c index 7195fe785d81..f823338dbb65 100644 --- a/arch/mips/math-emu/sp_maddf.c +++ b/arch/mips/math-emu/sp_maddf.c @@ -20,9 +20,9 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, { int re; int rs; - unsigned rm; - uint64_t rm64; - uint64_t zm64; + unsigned int rm; + u64 rm64; + u64 zm64; int s; COMPXSP; diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c index d910c43a6f30..4015101fbc37 100644 --- a/arch/mips/math-emu/sp_mul.c +++ b/arch/mips/math-emu/sp_mul.c @@ -25,15 +25,15 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y) { int re; int rs; - unsigned rm; + unsigned int rm; unsigned short lxm; unsigned short hxm; unsigned short lym; unsigned short hym; - unsigned lrm; - unsigned hrm; - unsigned t; - unsigned at; + unsigned int lrm; + unsigned int hrm; + unsigned int t; + unsigned int at; COMPXSP; COMPYSP; diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index c01bd20d0208..237532e89919 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -93,9 +93,6 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) { gfp_t dma_flag; - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); - #ifdef CONFIG_ISA if (dev == NULL) dma_flag = __GFP_DMA; @@ -179,7 +176,7 @@ static int mips_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs) { - unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long user_count = vma_pages(vma); unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long addr = (unsigned long)cpu_addr; unsigned long off = vma->vm_pgoff; @@ -383,7 +380,7 @@ static int mips_dma_supported(struct device *dev, u64 mask) return plat_dma_supported(dev, mask); } -void dma_cache_sync(struct device *dev, void *vaddr, size_t size, +static void mips_dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { BUG_ON(direction == DMA_NONE); @@ -392,8 +389,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, __dma_sync_virtual(vaddr, size, direction); } -EXPORT_SYMBOL(dma_cache_sync); - static const struct dma_map_ops mips_default_dma_map_ops = { .alloc = mips_dma_alloc_coherent, .free = mips_dma_free_coherent, @@ -407,7 +402,8 @@ static const struct dma_map_ops mips_default_dma_map_ops = { .sync_sg_for_cpu = mips_dma_sync_sg_for_cpu, .sync_sg_for_device = mips_dma_sync_sg_for_device, .mapping_error = mips_dma_mapping_error, - .dma_supported = mips_dma_supported + .dma_supported = mips_dma_supported, + .cache_sync = mips_dma_cache_sync, }; const struct dma_map_ops *mips_dma_map_ops = &mips_default_dma_map_ops; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 5f6ea7d746de..84b7b592b834 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -402,7 +402,6 @@ int page_is_ram(unsigned long pagenr) void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; - unsigned long lastpfn __maybe_unused; pagetable_init(); @@ -416,17 +415,14 @@ void __init paging_init(void) max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; - lastpfn = max_low_pfn; #ifdef CONFIG_HIGHMEM max_zone_pfns[ZONE_HIGHMEM] = highend_pfn; - lastpfn = highend_pfn; if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) { printk(KERN_WARNING "This processor doesn't support highmem." " %ldk highmem ignored\n", (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10)); max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn; - lastpfn = max_low_pfn; } #endif diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c index cdb5a191b9d5..9bb6baa45da3 100644 --- a/arch/mips/mm/uasm-micromips.c +++ b/arch/mips/mm/uasm-micromips.c @@ -40,7 +40,7 @@ #include "uasm.c" -static const struct insn const insn_table_MM[insn_invalid] = { +static const struct insn insn_table_MM[insn_invalid] = { [insn_addu] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_addu32_op), RT | RS | RD}, [insn_addiu] = {M(mm_addiu32_op, 0, 0, 0, 0, 0), RT | RS | SIMM}, [insn_and] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_and_op), RT | RS | RD}, diff --git a/arch/mips/mti-malta/malta-display.c b/arch/mips/mti-malta/malta-display.c index d4f807191ecd..ee0bd50f754b 100644 --- a/arch/mips/mti-malta/malta-display.c +++ b/arch/mips/mti-malta/malta-display.c @@ -36,10 +36,10 @@ void mips_display_message(const char *str) } } -static void scroll_display_message(unsigned long data); -static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, HZ, 0); +static void scroll_display_message(struct timer_list *unused); +static DEFINE_TIMER(mips_scroll_timer, scroll_display_message); -static void scroll_display_message(unsigned long data) +static void scroll_display_message(struct timer_list *unused) { mips_display_message(&display_string[display_count++]); if (display_count == max_display_count) diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c index 44b925005dd3..4d8cb9bb8365 100644 --- a/arch/mips/net/bpf_jit.c +++ b/arch/mips/net/bpf_jit.c @@ -1207,8 +1207,6 @@ jmp_cmp: return 0; } -int bpf_jit_enable __read_mostly; - void bpf_jit_compile(struct bpf_prog *fp) { struct jit_ctx ctx; diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c index 962b0259b4b6..3e2798bfea4f 100644 --- a/arch/mips/net/ebpf_jit.c +++ b/arch/mips/net/ebpf_jit.c @@ -177,8 +177,6 @@ static u32 b_imm(unsigned int tgt, struct jit_ctx *ctx) (ctx->idx * 4) - 4; } -int bpf_jit_enable __read_mostly; - enum which_ebpf_reg { src_reg, src_reg_no_fp, @@ -743,16 +741,11 @@ static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, break; case BPF_ALU | BPF_DIV | BPF_K: /* ALU_IMM */ case BPF_ALU | BPF_MOD | BPF_K: /* ALU_IMM */ + if (insn->imm == 0) + return -EINVAL; dst = ebpf_to_mips_reg(ctx, insn, dst_reg); if (dst < 0) return dst; - if (insn->imm == 0) { /* Div by zero */ - b_off = b_imm(exit_idx, ctx); - if (is_bad_offset(b_off)) - return -E2BIG; - emit_instr(ctx, beq, MIPS_R_ZERO, MIPS_R_ZERO, b_off); - emit_instr(ctx, addu, MIPS_R_V0, MIPS_R_ZERO, MIPS_R_ZERO); - } td = get_reg_val_type(ctx, this_idx, insn->dst_reg); if (td == REG_64BIT || td == REG_32BIT_ZERO_EX) /* sign extend */ @@ -772,19 +765,13 @@ static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, break; case BPF_ALU64 | BPF_DIV | BPF_K: /* ALU_IMM */ case BPF_ALU64 | BPF_MOD | BPF_K: /* ALU_IMM */ + if (insn->imm == 0) + return -EINVAL; dst = ebpf_to_mips_reg(ctx, insn, dst_reg); if (dst < 0) return dst; - if (insn->imm == 0) { /* Div by zero */ - b_off = b_imm(exit_idx, ctx); - if (is_bad_offset(b_off)) - return -E2BIG; - emit_instr(ctx, beq, MIPS_R_ZERO, MIPS_R_ZERO, b_off); - emit_instr(ctx, addu, MIPS_R_V0, MIPS_R_ZERO, MIPS_R_ZERO); - } if (get_reg_val_type(ctx, this_idx, insn->dst_reg) == REG_32BIT) emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32); - if (insn->imm == 1) { /* div by 1 is a nop, mod by 1 is zero */ if (bpf_op == BPF_MOD) @@ -862,11 +849,6 @@ static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, break; case BPF_DIV: case BPF_MOD: - b_off = b_imm(exit_idx, ctx); - if (is_bad_offset(b_off)) - return -E2BIG; - emit_instr(ctx, beq, src, MIPS_R_ZERO, b_off); - emit_instr(ctx, movz, MIPS_R_V0, MIPS_R_ZERO, src); emit_instr(ctx, ddivu, dst, src); if (bpf_op == BPF_DIV) emit_instr(ctx, mflo, dst); @@ -945,11 +927,6 @@ static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, break; case BPF_DIV: case BPF_MOD: - b_off = b_imm(exit_idx, ctx); - if (is_bad_offset(b_off)) - return -E2BIG; - emit_instr(ctx, beq, src, MIPS_R_ZERO, b_off); - emit_instr(ctx, movz, MIPS_R_V0, MIPS_R_ZERO, src); emit_instr(ctx, divu, dst, src); if (bpf_op == BPF_DIV) emit_instr(ctx, mflo, dst); @@ -1869,7 +1846,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) unsigned int image_size; u8 *image_ptr; - if (!bpf_jit_enable || !cpu_has_mips64r2) + if (!prog->jit_requested || !cpu_has_mips64r2) return prog; tmp = bpf_jit_blind_constants(prog); diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig index 8296b13affd2..7fcfc7fe9f14 100644 --- a/arch/mips/netlogic/Kconfig +++ b/arch/mips/netlogic/Kconfig @@ -89,9 +89,4 @@ config IOMMU_HELPER config NEED_SG_DMA_LENGTH bool -config SWIOTLB - def_bool y - select NEED_SG_DMA_LENGTH - select IOMMU_HELPER - endif diff --git a/arch/mips/netlogic/common/Makefile b/arch/mips/netlogic/common/Makefile index 60d00b5d748e..89f6e3f39fed 100644 --- a/arch/mips/netlogic/common/Makefile +++ b/arch/mips/netlogic/common/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 obj-y += irq.o time.o -obj-y += nlm-dma.o obj-y += reset.o obj-$(CONFIG_SMP) += smp.o smpboot.o obj-$(CONFIG_EARLY_PRINTK) += earlycons.o diff --git a/arch/mips/netlogic/common/nlm-dma.c b/arch/mips/netlogic/common/nlm-dma.c deleted file mode 100644 index 0ec9d9da6d51..000000000000 --- a/arch/mips/netlogic/common/nlm-dma.c +++ /dev/null @@ -1,97 +0,0 @@ -/* -* Copyright (C) 2003-2013 Broadcom Corporation -* All Rights Reserved - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the Broadcom - * license below: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <linux/dma-mapping.h> -#include <linux/scatterlist.h> -#include <linux/bootmem.h> -#include <linux/export.h> -#include <linux/swiotlb.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/mm.h> - -#include <asm/bootinfo.h> - -static char *nlm_swiotlb; - -static void *nlm_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) -{ - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); - -#ifdef CONFIG_ZONE_DMA32 - if (dev->coherent_dma_mask <= DMA_BIT_MASK(32)) - gfp |= __GFP_DMA32; -#endif - - /* Don't invoke OOM killer */ - gfp |= __GFP_NORETRY; - - return swiotlb_alloc_coherent(dev, size, dma_handle, gfp); -} - -static void nlm_dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle, unsigned long attrs) -{ - swiotlb_free_coherent(dev, size, vaddr, dma_handle); -} - -const struct dma_map_ops nlm_swiotlb_dma_ops = { - .alloc = nlm_dma_alloc_coherent, - .free = nlm_dma_free_coherent, - .map_page = swiotlb_map_page, - .unmap_page = swiotlb_unmap_page, - .map_sg = swiotlb_map_sg_attrs, - .unmap_sg = swiotlb_unmap_sg_attrs, - .sync_single_for_cpu = swiotlb_sync_single_for_cpu, - .sync_single_for_device = swiotlb_sync_single_for_device, - .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, - .sync_sg_for_device = swiotlb_sync_sg_for_device, - .mapping_error = swiotlb_dma_mapping_error, - .dma_supported = swiotlb_dma_supported -}; - -void __init plat_swiotlb_setup(void) -{ - size_t swiotlbsize; - unsigned long swiotlb_nslabs; - - swiotlbsize = 1 << 20; /* 1 MB for now */ - swiotlb_nslabs = swiotlbsize >> IO_TLB_SHIFT; - swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE); - swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; - - nlm_swiotlb = alloc_bootmem_low_pages(swiotlbsize); - swiotlb_init_with_tbl(nlm_swiotlb, swiotlb_nslabs, 1); -} diff --git a/arch/mips/pci/pci-mt7620.c b/arch/mips/pci/pci-mt7620.c index 90fba9bf98da..407f155f0bb6 100644 --- a/arch/mips/pci/pci-mt7620.c +++ b/arch/mips/pci/pci-mt7620.c @@ -33,14 +33,13 @@ #define RALINK_GPIOMODE 0x60 #define PPLL_CFG1 0x9c -#define PDRV_SW_SET BIT(23) #define PPLL_DRV 0xa0 -#define PDRV_SW_SET (1<<31) -#define LC_CKDRVPD (1<<19) -#define LC_CKDRVOHZ (1<<18) -#define LC_CKDRVHZ (1<<17) -#define LC_CKTEST (1<<16) +#define PDRV_SW_SET BIT(31) +#define LC_CKDRVPD BIT(19) +#define LC_CKDRVOHZ BIT(18) +#define LC_CKDRVHZ BIT(17) +#define LC_CKTEST BIT(16) /* PCI Bridge registers */ #define RALINK_PCI_PCICFG_ADDR 0x00 @@ -66,7 +65,7 @@ #define PCIEPHY0_CFG 0x90 #define RALINK_PCIEPHY_P0_CTL_OFFSET 0x7498 -#define RALINK_PCIE0_CLK_EN (1 << 26) +#define RALINK_PCIE0_CLK_EN BIT(26) #define BUSY 0x80000000 #define WAITRETRY_MAX 10 @@ -121,7 +120,7 @@ static int wait_pciephy_busy(void) else break; if (retry++ > WAITRETRY_MAX) { - printk(KERN_WARN "PCIE-PHY retry failed.\n"); + pr_warn("PCIE-PHY retry failed.\n"); return -1; } } diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c index fd2887415bc8..87ba86bd8696 100644 --- a/arch/mips/pci/pcie-octeon.c +++ b/arch/mips/pci/pcie-octeon.c @@ -639,7 +639,7 @@ static int __cvmx_pcie_rc_initialize_link_gen1(int pcie_port) cvmx_dprintf("PCIe: Port %d link timeout\n", pcie_port); return -1; } - cvmx_wait(10000); + __delay(10000); pciercx_cfg032.u32 = cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG032(pcie_port)); } while (pciercx_cfg032.s.dlla == 0); @@ -821,7 +821,7 @@ retry: * don't poll PESCX_CTL_STATUS2[PCIERST], but simply wait a * fixed number of cycles. */ - cvmx_wait(400000); + __delay(400000); /* * PESCX_BIST_STATUS2[PCLK_RUN] was missing on pass 1 of @@ -1018,7 +1018,7 @@ retry: i = in_p_offset; while (i--) { cvmx_write64_uint32(write_address, 0); - cvmx_wait(10000); + __delay(10000); } /* @@ -1034,7 +1034,7 @@ retry: dbg_data.u64 = cvmx_read_csr(CVMX_PEXP_NPEI_DBG_DATA); old_in_fif_p_count = dbg_data.s.data & 0xff; cvmx_write64_uint32(write_address, 0); - cvmx_wait(10000); + __delay(10000); dbg_data.u64 = cvmx_read_csr(CVMX_PEXP_NPEI_DBG_DATA); in_fif_p_count = dbg_data.s.data & 0xff; } while (in_fif_p_count != ((old_in_fif_p_count+1) & 0xff)); @@ -1053,7 +1053,7 @@ retry: cvmx_dprintf("PCIe: Port %d aligning TLP counters as workaround to maintain ordering\n", pcie_port); while (in_fif_p_count != 0) { cvmx_write64_uint32(write_address, 0); - cvmx_wait(10000); + __delay(10000); in_fif_p_count = (in_fif_p_count + 1) & 0xff; } /* @@ -1105,7 +1105,7 @@ static int __cvmx_pcie_rc_initialize_link_gen2(int pcie_port) do { if (cvmx_get_cycle() - start_cycle > octeon_get_clock_rate()) return -1; - cvmx_wait(10000); + __delay(10000); pciercx_cfg032.u32 = cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG032(pcie_port)); } while ((pciercx_cfg032.s.dlla == 0) || (pciercx_cfg032.s.lt == 1)); diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig index f26736b7080b..1f9cb0e3c79a 100644 --- a/arch/mips/ralink/Kconfig +++ b/arch/mips/ralink/Kconfig @@ -31,7 +31,6 @@ choice config SOC_RT305X bool "RT305x" - select USB_ARCH_HAS_HCD config SOC_RT3883 bool "RT3883" diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c index 9be8b08ae46b..41b71c4352c2 100644 --- a/arch/mips/ralink/mt7620.c +++ b/arch/mips/ralink/mt7620.c @@ -145,8 +145,8 @@ static struct rt2880_pmx_func i2c_grp_mt7628[] = { FUNC("i2c", 0, 4, 2), }; -static struct rt2880_pmx_func refclk_grp_mt7628[] = { FUNC("reclk", 0, 36, 1) }; -static struct rt2880_pmx_func perst_grp_mt7628[] = { FUNC("perst", 0, 37, 1) }; +static struct rt2880_pmx_func refclk_grp_mt7628[] = { FUNC("refclk", 0, 37, 1) }; +static struct rt2880_pmx_func perst_grp_mt7628[] = { FUNC("perst", 0, 36, 1) }; static struct rt2880_pmx_func wdt_grp_mt7628[] = { FUNC("wdt", 0, 38, 1) }; static struct rt2880_pmx_func spi_grp_mt7628[] = { FUNC("spi", 0, 7, 4) }; diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c index d4469b20d176..4f46a4509f79 100644 --- a/arch/mips/ralink/timer.c +++ b/arch/mips/ralink/timer.c @@ -109,9 +109,9 @@ static int rt_timer_probe(struct platform_device *pdev) } rt->irq = platform_get_irq(pdev, 0); - if (!rt->irq) { + if (rt->irq < 0) { dev_err(&pdev->dev, "failed to load irq\n"); - return -ENOENT; + return rt->irq; } rt->membase = devm_ioremap_resource(&pdev->dev, res); diff --git a/arch/mips/rb532/Makefile b/arch/mips/rb532/Makefile index efdecdb6e3ea..8186afca2234 100644 --- a/arch/mips/rb532/Makefile +++ b/arch/mips/rb532/Makefile @@ -2,4 +2,6 @@ # Makefile for the RB532 board specific parts of the kernel # -obj-y += irq.o time.o setup.o serial.o prom.o gpio.o devices.o +obj-$(CONFIG_SERIAL_8250_CONSOLE) += serial.o + +obj-y += irq.o time.o setup.o prom.o gpio.o devices.o diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 32ea3e6731d6..354d258396ff 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -310,6 +310,8 @@ static int __init plat_setup_devices(void) return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs)); } +#ifdef CONFIG_NET + static int __init setup_kmac(char *s) { printk(KERN_INFO "korina mac = %s\n", s); @@ -322,4 +324,6 @@ static int __init setup_kmac(char *s) __setup("kmac=", setup_kmac); +#endif /* CONFIG_NET */ + arch_initcall(plat_setup_devices); diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c index 03a39ac5ead9..c374f3ceec38 100644 --- a/arch/mips/sgi-ip22/ip22-reset.c +++ b/arch/mips/sgi-ip22/ip22-reset.c @@ -38,6 +38,7 @@ #define PANIC_FREQ (HZ / 8) static struct timer_list power_timer, blink_timer, debounce_timer; +static unsigned long blink_timer_timeout; #define MACHINE_PANICED 1 #define MACHINE_SHUTTING_DOWN 2 @@ -81,21 +82,21 @@ static void __noreturn sgi_machine_halt(void) ArcEnterInteractiveMode(); } -static void power_timeout(unsigned long data) +static void power_timeout(struct timer_list *unused) { sgi_machine_power_off(); } -static void blink_timeout(unsigned long data) +static void blink_timeout(struct timer_list *unused) { /* XXX fix this for fullhouse */ sgi_ioc_reset ^= (SGIOC_RESET_LC0OFF|SGIOC_RESET_LC1OFF); sgioc->reset = sgi_ioc_reset; - mod_timer(&blink_timer, jiffies + data); + mod_timer(&blink_timer, jiffies + blink_timer_timeout); } -static void debounce(unsigned long data) +static void debounce(struct timer_list *unused) { del_timer(&debounce_timer); if (sgint->istat1 & SGINT_ISTAT1_PWR) { @@ -128,11 +129,10 @@ static inline void power_button(void) } machine_state |= MACHINE_SHUTTING_DOWN; - blink_timer.data = POWERDOWN_FREQ; - blink_timeout(POWERDOWN_FREQ); + blink_timer_timeout = POWERDOWN_FREQ; + blink_timeout(&blink_timer); - init_timer(&power_timer); - power_timer.function = power_timeout; + timer_setup(&power_timer, power_timeout, 0); power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ; add_timer(&power_timer); } @@ -147,8 +147,7 @@ static irqreturn_t panel_int(int irq, void *dev_id) if (sgint->istat1 & SGINT_ISTAT1_PWR) { /* Wait until interrupt goes away */ disable_irq_nosync(SGI_PANEL_IRQ); - init_timer(&debounce_timer); - debounce_timer.function = debounce; + timer_setup(&debounce_timer, debounce, 0); debounce_timer.expires = jiffies + 5; add_timer(&debounce_timer); } @@ -171,8 +170,8 @@ static int panic_event(struct notifier_block *this, unsigned long event, return NOTIFY_DONE; machine_state |= MACHINE_PANICED; - blink_timer.data = PANIC_FREQ; - blink_timeout(PANIC_FREQ); + blink_timer_timeout = PANIC_FREQ; + blink_timeout(&blink_timer); return NOTIFY_DONE; } @@ -195,8 +194,7 @@ static int __init reboot_setup(void) return res; } - init_timer(&blink_timer); - blink_timer.function = blink_timeout; + timer_setup(&blink_timer, blink_timeout, 0); atomic_notifier_chain_register(&panic_notifier_list, &panic_block); return 0; diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c index b3b442def423..20d8637340be 100644 --- a/arch/mips/sgi-ip32/ip32-reset.c +++ b/arch/mips/sgi-ip32/ip32-reset.c @@ -38,6 +38,7 @@ extern struct platform_device ip32_rtc_device; static struct timer_list power_timer, blink_timer; +static unsigned long blink_timer_timeout; static int has_panicked, shutting_down; static __noreturn void ip32_poweroff(void *data) @@ -71,11 +72,11 @@ static void ip32_machine_restart(char *cmd) unreachable(); } -static void blink_timeout(unsigned long data) +static void blink_timeout(struct timer_list *unused) { unsigned long led = mace->perif.ctrl.misc ^ MACEISA_LED_RED; mace->perif.ctrl.misc = led; - mod_timer(&blink_timer, jiffies + data); + mod_timer(&blink_timer, jiffies + blink_timer_timeout); } static void ip32_machine_halt(void) @@ -83,7 +84,7 @@ static void ip32_machine_halt(void) ip32_poweroff(&ip32_rtc_device); } -static void power_timeout(unsigned long data) +static void power_timeout(struct timer_list *unused) { ip32_poweroff(&ip32_rtc_device); } @@ -99,11 +100,10 @@ void ip32_prepare_poweroff(void) } shutting_down = 1; - blink_timer.data = POWERDOWN_FREQ; - blink_timeout(POWERDOWN_FREQ); + blink_timer_timeout = POWERDOWN_FREQ; + blink_timeout(&blink_timer); - init_timer(&power_timer); - power_timer.function = power_timeout; + timer_setup(&power_timer, power_timeout, 0); power_timer.expires = jiffies + POWERDOWN_TIMEOUT * HZ; add_timer(&power_timer); } @@ -121,8 +121,8 @@ static int panic_event(struct notifier_block *this, unsigned long event, led = mace->perif.ctrl.misc | MACEISA_LED_GREEN; mace->perif.ctrl.misc = led; - blink_timer.data = PANIC_FREQ; - blink_timeout(PANIC_FREQ); + blink_timer_timeout = PANIC_FREQ; + blink_timeout(&blink_timer); return NOTIFY_DONE; } @@ -143,8 +143,7 @@ static __init int ip32_reboot_setup(void) _machine_halt = ip32_machine_halt; pm_power_off = ip32_machine_halt; - init_timer(&blink_timer); - blink_timer.function = blink_timeout; + timer_setup(&blink_timer, blink_timeout, 0); atomic_notifier_chain_register(&panic_notifier_list, &panic_block); return 0; diff --git a/arch/mips/xilfpga/Kconfig b/arch/mips/xilfpga/Kconfig deleted file mode 100644 index ca7b2368eab7..000000000000 --- a/arch/mips/xilfpga/Kconfig +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -choice - prompt "Machine type" - depends on MACH_XILFPGA - default XILFPGA_NEXYS4DDR - -config XILFPGA_NEXYS4DDR - bool "Nexys4DDR by Digilent" - -endchoice diff --git a/arch/mips/xilfpga/Makefile b/arch/mips/xilfpga/Makefile deleted file mode 100644 index a4deec6fadbc..000000000000 --- a/arch/mips/xilfpga/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the Xilfpga -# - -obj-y += init.o -obj-y += intc.o -obj-y += time.o diff --git a/arch/mips/xilfpga/Platform b/arch/mips/xilfpga/Platform deleted file mode 100644 index ed375afe3d39..000000000000 --- a/arch/mips/xilfpga/Platform +++ /dev/null @@ -1,3 +0,0 @@ -platform-$(CONFIG_MACH_XILFPGA) += xilfpga/ -cflags-$(CONFIG_MACH_XILFPGA) += -I$(srctree)/arch/mips/include/asm/mach-xilfpga -load-$(CONFIG_MACH_XILFPGA) += 0xffffffff80100000 diff --git a/arch/mips/xilfpga/init.c b/arch/mips/xilfpga/init.c deleted file mode 100644 index 602e384a26a2..000000000000 --- a/arch/mips/xilfpga/init.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Xilfpga platform setup - * - * Copyright (C) 2015 Imagination Technologies - * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - */ - -#include <linux/of_fdt.h> - -#include <asm/prom.h> - -#define XILFPGA_UART_BASE 0xb0401000 - -const char *get_system_type(void) -{ - return "MIPSfpga"; -} - -void __init plat_mem_setup(void) -{ - __dt_setup_arch(__dtb_start); - strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); -} - -void __init prom_init(void) -{ - setup_8250_early_printk_port(XILFPGA_UART_BASE, 2, 50000); -} - -void __init prom_free_prom_memory(void) -{ -} - -void __init device_tree_init(void) -{ - if (!initial_boot_params) - return; - - unflatten_and_copy_device_tree(); -} diff --git a/arch/mips/xilfpga/intc.c b/arch/mips/xilfpga/intc.c deleted file mode 100644 index a127cca3ae8c..000000000000 --- a/arch/mips/xilfpga/intc.c +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Xilfpga interrupt controller setup - * - * Copyright (C) 2015 Imagination Technologies - * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - */ - -#include <linux/of.h> -#include <linux/of_irq.h> -#include <linux/irqchip.h> - -#include <asm/irq_cpu.h> - - -void __init arch_init_irq(void) -{ - irqchip_init(); -} diff --git a/arch/mips/xilfpga/time.c b/arch/mips/xilfpga/time.c deleted file mode 100644 index 36f3f1870ee2..000000000000 --- a/arch/mips/xilfpga/time.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Xilfpga clocksource/timer setup - * - * Copyright (C) 2015 Imagination Technologies - * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - */ - -#include <linux/clk.h> -#include <linux/clk-provider.h> -#include <linux/clocksource.h> -#include <linux/of.h> - -#include <asm/time.h> - -void __init plat_time_init(void) -{ - struct device_node *np; - struct clk *clk; - - of_clk_init(NULL); - timer_probe(); - - np = of_get_cpu_node(0, NULL); - if (!np) { - pr_err("Failed to get CPU node\n"); - return; - } - - clk = of_clk_get(np, 0); - if (IS_ERR(clk)) { - pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk)); - return; - } - - mips_hpt_frequency = clk_get_rate(clk) / 2; - clk_put(clk); -} |