diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-10 17:51:17 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-10 17:51:17 +0300 |
| commit | 8146856b0a2693d5f7334f720c9b39a987f7571d (patch) | |
| tree | e51fd6831162103d32e8a2ad83bf4077768a51b2 /arch | |
| parent | 16cfacc8085782dab8e365979356ce1ca87fd6cc (diff) | |
| parent | ff42df49e75f053a8a6b4c2533100cdcc23afe69 (diff) | |
| download | linux-8146856b0a2693d5f7334f720c9b39a987f7571d.tar.xz | |
Merge tag 'kvm-ppc-next-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD
PPC KVM update for 5.4
- Some prep for extending the uses of the rmap array
- Various minor fixes
- Commits from the powerpc topic/ppc-kvm branch, which fix a problem
with interrupts arriving after free_irq, causing host hangs and crashes.
Diffstat (limited to 'arch')
131 files changed, 791 insertions, 2200 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index c929bea9a9ff..85710e078afb 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1535,7 +1535,6 @@ config DEBUG_LL_INCLUDE DEBUG_IMX7D_UART default "debug/ks8695.S" if DEBUG_KS8695_UART default "debug/msm.S" if DEBUG_QCOM_UARTDM - default "debug/netx.S" if DEBUG_NETX_UART default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 @@ -1575,7 +1574,6 @@ config DEBUG_UART_8250 config DEBUG_UART_PHYS hex "Physical base address of debug UART" - default 0x00100a00 if DEBUG_NETX_UART default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 default 0x01c28000 if DEBUG_SUNXI_UART0 default 0x01c28400 if DEBUG_SUNXI_UART1 @@ -1700,7 +1698,6 @@ config DEBUG_UART_PHYS DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ DEBUG_LL_UART_EFM32 || \ DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ - DEBUG_NETX_UART || \ DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ @@ -1717,7 +1714,6 @@ config DEBUG_UART_VIRT default 0xc881f000 if DEBUG_RV1108_UART2 default 0xc8821000 if DEBUG_RV1108_UART1 default 0xc8912000 if DEBUG_RV1108_UART0 - default 0xe0000a00 if DEBUG_NETX_UART default 0xe0010fe0 if ARCH_RPC default 0xf0000be0 if ARCH_EBSA110 default 0xf0010000 if DEBUG_ASM9260_UART @@ -1822,7 +1818,6 @@ config DEBUG_UART_VIRT default DEBUG_UART_PHYS if !MMU depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ - DEBUG_NETX_UART || \ DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ DEBUG_S3C64XX_UART || \ DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ diff --git a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts index 18d0ae46e76c..0faae8950375 100644 --- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts +++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts @@ -124,6 +124,9 @@ }; mdio-bus-mux { + #address-cells = <1>; + #size-cells = <0>; + /* BIT(9) = 1 => external mdio */ mdio_ext: mdio@200 { reg = <0x200>; diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi index cbe61b61a212..c2a9dd57e56a 100644 --- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi +++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi @@ -112,7 +112,7 @@ }; &i2c2 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6ul-geam.dts b/arch/arm/boot/dts/imx6ul-geam.dts index 21ddd359d3ed..9f63706383a7 100644 --- a/arch/arm/boot/dts/imx6ul-geam.dts +++ b/arch/arm/boot/dts/imx6ul-geam.dts @@ -156,7 +156,7 @@ }; &i2c2 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi index b26d4f57c655..cc9adce638f5 100644 --- a/arch/arm/boot/dts/imx6ul-isiot.dtsi +++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi @@ -148,7 +148,7 @@ }; &i2c2 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts index 39eeeddac39e..09f7ffa9ad8c 100644 --- a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts +++ b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts @@ -43,7 +43,7 @@ }; &i2c2 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6ul-pico-pi.dts b/arch/arm/boot/dts/imx6ul-pico-pi.dts index de07357b27fc..6cd7d5877d20 100644 --- a/arch/arm/boot/dts/imx6ul-pico-pi.dts +++ b/arch/arm/boot/dts/imx6ul-pico-pi.dts @@ -43,7 +43,7 @@ }; &i2c2 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; @@ -58,7 +58,7 @@ }; &i2c3 { - clock_frequency = <100000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c3>; status = "okay"; diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi index 992747a57442..56907bb4b329 100644 --- a/arch/arm/boot/dts/imx7ulp.dtsi +++ b/arch/arm/boot/dts/imx7ulp.dtsi @@ -186,7 +186,7 @@ reg = <0x40330200 0x200>; }; - usbphy1: usb-phy@0x40350000 { + usbphy1: usb-phy@40350000 { compatible = "fsl,imx7ulp-usbphy", "fsl,imx6ul-usbphy"; reg = <0x40350000 0x1000>; interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index e6b98b6eb88d..822cddfbf1af 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -4,17 +4,9 @@ CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BLK_DEV_INITRD=y CONFIG_KALLSYMS_ALL=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_U8500=y -CONFIG_MACH_HREFV60=y -CONFIG_MACH_SNOWBALL=y CONFIG_SMP=y CONFIG_NR_CPUS=2 -CONFIG_PREEMPT=y -CONFIG_AEABI=y CONFIG_HIGHMEM=y CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y @@ -25,6 +17,11 @@ CONFIG_CPU_IDLE=y CONFIG_ARM_U8500_CPUIDLE=y CONFIG_VFP=y CONFIG_NEON=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set +CONFIG_PARTITION_ADVANCED=y +CONFIG_CMA=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -47,7 +44,6 @@ CONFIG_SMSC911X=y CONFIG_SMSC_PHY=y CONFIG_CW1200=y CONFIG_CW1200_WLAN_SDIO=y -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set CONFIG_KEYBOARD_GPIO=y @@ -63,7 +59,6 @@ CONFIG_RMI4_CORE=y CONFIG_RMI4_I2C=y CONFIG_RMI4_F11=y # CONFIG_SERIO is not set -CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y @@ -72,6 +67,7 @@ CONFIG_SPI=y CONFIG_SPI_PL022=y CONFIG_GPIO_STMPE=y CONFIG_GPIO_TC3589X=y +CONFIG_SENSORS_IIO_HWMON=y CONFIG_THERMAL=y CONFIG_CPU_THERMAL=y CONFIG_WATCHDOG=y @@ -79,6 +75,13 @@ CONFIG_MFD_STMPE=y CONFIG_MFD_TC3589X=y CONFIG_REGULATOR_AB8500=y CONFIG_REGULATOR_GPIO=y +CONFIG_DRM=y +CONFIG_DRM_PANEL_SAMSUNG_S6D16D0=y +CONFIG_DRM_LIMA=y +CONFIG_DRM_MCDE=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=m +CONFIG_LOGO=y CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_SOC=y @@ -87,6 +90,7 @@ CONFIG_SND_SOC_UX500_MACH_MOP500=y CONFIG_USB=y CONFIG_USB_MUSB_HDRC=y CONFIG_USB_MUSB_UX500=y +CONFIG_MUSB_PIO_ONLY=y CONFIG_AB8500_USB=y CONFIG_USB_GADGET=y CONFIG_USB_ETH=m @@ -103,6 +107,7 @@ CONFIG_RTC_DRV_AB8500=y CONFIG_RTC_DRV_PL031=y CONFIG_DMADEVICES=y CONFIG_STE_DMA40=y +CONFIG_HWSPINLOCK=y CONFIG_HSEM_U8500=y CONFIG_IIO=y CONFIG_IIO_SW_TRIGGER=y @@ -126,20 +131,19 @@ CONFIG_NFS_FS=y CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y +CONFIG_CRYPTO_DEV_UX500=y +CONFIG_CRYPTO_DEV_UX500_CRYP=y +CONFIG_CRYPTO_DEV_UX500_HASH=y +CONFIG_CRYPTO_DEV_UX500_DEBUG=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_FS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y # CONFIG_SCHED_DEBUG is not set -# CONFIG_DEBUG_PREEMPT is not set # CONFIG_FTRACE is not set CONFIG_DEBUG_USER=y CONFIG_CORESIGHT=y CONFIG_CORESIGHT_SINK_TPIU=y CONFIG_CORESIGHT_SINK_ETBV10=y CONFIG_CORESIGHT_SOURCE_ETM3X=y -CONFIG_CRYPTO_DEV_UX500=y -CONFIG_CRYPTO_DEV_UX500_CRYP=y -CONFIG_CRYPTO_DEV_UX500_HASH=y -CONFIG_CRYPTO_DEV_UX500_DEBUG=y diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S index 05d03f09ff54..71262dcdbca3 100644 --- a/arch/arm/mach-davinci/sleep.S +++ b/arch/arm/mach-davinci/sleep.S @@ -24,6 +24,7 @@ #define DEEPSLEEP_SLEEPENABLE_BIT BIT(31) .text + .arch armv5te /* * Move DaVinci into deep sleep state * diff --git a/arch/arm/mach-netx/Kconfig b/arch/arm/mach-netx/Kconfig deleted file mode 100644 index 1e5d9c870784..000000000000 --- a/arch/arm/mach-netx/Kconfig +++ /dev/null @@ -1,22 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -menu "NetX Implementations" - depends on ARCH_NETX - -config MACH_NXDKN - bool "Enable Hilscher nxdkn Eval Board support" - help - Board support for the Hilscher NetX Eval Board - -config MACH_NXDB500 - bool "Enable Hilscher nxdb500 Eval Board support" - select ARM_AMBA - help - Board support for the Hilscher nxdb500 Eval Board - -config MACH_NXEB500HMI - bool "Enable Hilscher nxeb500hmi Eval Board support" - select ARM_AMBA - help - Board support for the Hilscher nxeb500hmi Eval Board - -endmenu diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile deleted file mode 100644 index 44ea83f7d9c2..000000000000 --- a/arch/arm/mach-netx/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the linux kernel. -# - -# Object file lists. - -obj-y += time.o generic.o pfifo.o xc.o - -# Specific board support -obj-$(CONFIG_MACH_NXDKN) += nxdkn.o -obj-$(CONFIG_MACH_NXDB500) += nxdb500.o fb.o -obj-$(CONFIG_MACH_NXEB500HMI) += nxeb500hmi.o fb.o diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot deleted file mode 100644 index 2eb23c0cb6b0..000000000000 --- a/arch/arm/mach-netx/Makefile.boot +++ /dev/null @@ -1,3 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x80008000 - diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c deleted file mode 100644 index 2dc80db07390..000000000000 --- a/arch/arm/mach-netx/fb.c +++ /dev/null @@ -1,65 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/fb.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/device.h> -#include <linux/init.h> -#include <linux/dma-mapping.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> -#include <linux/err.h> -#include <linux/gfp.h> - -#include <asm/irq.h> - -#include <mach/netx-regs.h> -#include <mach/hardware.h> - -static struct clcd_panel *netx_panel; - -void netx_clcd_enable(struct clcd_fb *fb) -{ -} - -int netx_clcd_setup(struct clcd_fb *fb) -{ - dma_addr_t dma; - - fb->panel = netx_panel; - - fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, 1024 * 1024, &dma, - GFP_KERNEL); - if (!fb->fb.screen_base) { - printk(KERN_ERR "CLCD: unable to map framebuffer\n"); - return -ENOMEM; - } - - fb->fb.fix.smem_start = dma; - fb->fb.fix.smem_len = 1024*1024; - - return 0; -} - -int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) -{ - return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base, - fb->fb.fix.smem_start, fb->fb.fix.smem_len); -} - -void netx_clcd_remove(struct clcd_fb *fb) -{ - dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base, - fb->fb.fix.smem_start); -} - -static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL); - -int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel) -{ - netx_panel = panel; - fb_device.dev.platform_data = board; - return amba_device_register(&fb_device, &iomem_resource); -} diff --git a/arch/arm/mach-netx/fb.h b/arch/arm/mach-netx/fb.h deleted file mode 100644 index 5cdc01fc3c86..000000000000 --- a/arch/arm/mach-netx/fb.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/fb.h - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -void netx_clcd_enable(struct clcd_fb *fb); -int netx_clcd_setup(struct clcd_fb *fb); -int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma); -void netx_clcd_remove(struct clcd_fb *fb); -int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel); diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c deleted file mode 100644 index 88881fd45e9f..000000000000 --- a/arch/arm/mach-netx/generic.c +++ /dev/null @@ -1,182 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/generic.c - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/device.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/irqchip/arm-vic.h> -#include <linux/reboot.h> -#include <mach/hardware.h> -#include <asm/mach/map.h> -#include <mach/netx-regs.h> -#include <asm/mach/irq.h> - -static struct map_desc netx_io_desc[] __initdata = { - { - .virtual = NETX_IO_VIRT, - .pfn = __phys_to_pfn(NETX_IO_PHYS), - .length = NETX_IO_SIZE, - .type = MT_DEVICE - } -}; - -void __init netx_map_io(void) -{ - iotable_init(netx_io_desc, ARRAY_SIZE(netx_io_desc)); -} - -static struct resource netx_rtc_resources[] = { - [0] = { - .start = 0x00101200, - .end = 0x00101220, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device netx_rtc_device = { - .name = "netx-rtc", - .id = 0, - .num_resources = ARRAY_SIZE(netx_rtc_resources), - .resource = netx_rtc_resources, -}; - -static struct platform_device *devices[] __initdata = { - &netx_rtc_device, -}; - -#if 0 -#define DEBUG_IRQ(fmt...) printk(fmt) -#else -#define DEBUG_IRQ(fmt...) while (0) {} -#endif - -static void netx_hif_demux_handler(struct irq_desc *desc) -{ - unsigned int irq = NETX_IRQ_HIF_CHAINED(0); - unsigned int stat; - - stat = ((readl(NETX_DPMAS_INT_EN) & - readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f; - - while (stat) { - if (stat & 1) { - DEBUG_IRQ("handling irq %d\n", irq); - generic_handle_irq(irq); - } - irq++; - stat >>= 1; - } -} - -static int -netx_hif_irq_type(struct irq_data *d, unsigned int type) -{ - unsigned int val, irq; - - val = readl(NETX_DPMAS_IF_CONF1); - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - - if (type & IRQ_TYPE_EDGE_RISING) { - DEBUG_IRQ("rising edges\n"); - val |= (1 << 26) << irq; - } - if (type & IRQ_TYPE_EDGE_FALLING) { - DEBUG_IRQ("falling edges\n"); - val &= ~((1 << 26) << irq); - } - if (type & IRQ_TYPE_LEVEL_LOW) { - DEBUG_IRQ("low level\n"); - val &= ~((1 << 26) << irq); - } - if (type & IRQ_TYPE_LEVEL_HIGH) { - DEBUG_IRQ("high level\n"); - val |= (1 << 26) << irq; - } - - writel(val, NETX_DPMAS_IF_CONF1); - - return 0; -} - -static void -netx_hif_ack_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - writel((1 << 24) << irq, NETX_DPMAS_INT_STAT); - - val = readl(NETX_DPMAS_INT_EN); - val &= ~((1 << 24) << irq); - writel(val, NETX_DPMAS_INT_EN); - - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static void -netx_hif_mask_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - val = readl(NETX_DPMAS_INT_EN); - val &= ~((1 << 24) << irq); - writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static void -netx_hif_unmask_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - val = readl(NETX_DPMAS_INT_EN); - val |= (1 << 24) << irq; - writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static struct irq_chip netx_hif_chip = { - .irq_ack = netx_hif_ack_irq, - .irq_mask = netx_hif_mask_irq, - .irq_unmask = netx_hif_unmask_irq, - .irq_set_type = netx_hif_irq_type, -}; - -void __init netx_init_irq(void) -{ - int irq; - - vic_init(io_p2v(NETX_PA_VIC), NETX_IRQ_VIC_START, ~0, 0); - - for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) { - irq_set_chip_and_handler(irq, &netx_hif_chip, - handle_level_irq); - irq_clear_status_flags(irq, IRQ_NOREQUEST); - } - - writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN); - irq_set_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler); -} - -static int __init netx_init(void) -{ - return platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -subsys_initcall(netx_init); - -void netx_restart(enum reboot_mode mode, const char *cmd) -{ - writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES, - NETX_SYSTEM_RES_CR); -} diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h deleted file mode 100644 index 223e304574a5..000000000000 --- a/arch/arm/mach-netx/generic.h +++ /dev/null @@ -1,14 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/generic.h - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/reboot.h> - -extern void __init netx_map_io(void); -extern void __init netx_init_irq(void); -extern void netx_restart(enum reboot_mode, const char *); - -extern void netx_timer_init(void); diff --git a/arch/arm/mach-netx/include/mach/hardware.h b/arch/arm/mach-netx/include/mach/hardware.h deleted file mode 100644 index 84253993d1e0..000000000000 --- a/arch/arm/mach-netx/include/mach/hardware.h +++ /dev/null @@ -1,27 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/hardware.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ -#ifndef __ASM_ARCH_HARDWARE_H -#define __ASM_ARCH_HARDWARE_H - -#define NETX_IO_PHYS 0x00100000 -#define NETX_IO_VIRT 0xe0000000 -#define NETX_IO_SIZE 0x00100000 - -#define SRAM_INTERNAL_PHYS_0 0x00000 -#define SRAM_INTERNAL_PHYS_1 0x08000 -#define SRAM_INTERNAL_PHYS_2 0x10000 -#define SRAM_INTERNAL_PHYS_3 0x18000 -#define SRAM_INTERNAL_PHYS(no) ((no) * 0x8000) - -#define XPEC_MEM_SIZE 0x4000 -#define XMAC_MEM_SIZE 0x1000 -#define SRAM_MEM_SIZE 0x8000 - -#define io_p2v(x) IOMEM((x) - NETX_IO_PHYS + NETX_IO_VIRT) -#define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS) - -#endif diff --git a/arch/arm/mach-netx/include/mach/irqs.h b/arch/arm/mach-netx/include/mach/irqs.h deleted file mode 100644 index 540c92104fe8..000000000000 --- a/arch/arm/mach-netx/include/mach/irqs.h +++ /dev/null @@ -1,58 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/irqs.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#define NETX_IRQ_VIC_START 64 -#define NETX_IRQ_SOFTINT (NETX_IRQ_VIC_START + 0) -#define NETX_IRQ_TIMER0 (NETX_IRQ_VIC_START + 1) -#define NETX_IRQ_TIMER1 (NETX_IRQ_VIC_START + 2) -#define NETX_IRQ_TIMER2 (NETX_IRQ_VIC_START + 3) -#define NETX_IRQ_SYSTIME_NS (NETX_IRQ_VIC_START + 4) -#define NETX_IRQ_SYSTIME_S (NETX_IRQ_VIC_START + 5) -#define NETX_IRQ_GPIO_15 (NETX_IRQ_VIC_START + 6) -#define NETX_IRQ_WATCHDOG (NETX_IRQ_VIC_START + 7) -#define NETX_IRQ_UART0 (NETX_IRQ_VIC_START + 8) -#define NETX_IRQ_UART1 (NETX_IRQ_VIC_START + 9) -#define NETX_IRQ_UART2 (NETX_IRQ_VIC_START + 10) -#define NETX_IRQ_USB (NETX_IRQ_VIC_START + 11) -#define NETX_IRQ_SPI (NETX_IRQ_VIC_START + 12) -#define NETX_IRQ_I2C (NETX_IRQ_VIC_START + 13) -#define NETX_IRQ_LCD (NETX_IRQ_VIC_START + 14) -#define NETX_IRQ_HIF (NETX_IRQ_VIC_START + 15) -#define NETX_IRQ_GPIO_0_14 (NETX_IRQ_VIC_START + 16) -#define NETX_IRQ_XPEC0 (NETX_IRQ_VIC_START + 17) -#define NETX_IRQ_XPEC1 (NETX_IRQ_VIC_START + 18) -#define NETX_IRQ_XPEC2 (NETX_IRQ_VIC_START + 19) -#define NETX_IRQ_XPEC3 (NETX_IRQ_VIC_START + 20) -#define NETX_IRQ_XPEC(no) (NETX_IRQ_VIC_START + 17 + (no)) -#define NETX_IRQ_MSYNC0 (NETX_IRQ_VIC_START + 21) -#define NETX_IRQ_MSYNC1 (NETX_IRQ_VIC_START + 22) -#define NETX_IRQ_MSYNC2 (NETX_IRQ_VIC_START + 23) -#define NETX_IRQ_MSYNC3 (NETX_IRQ_VIC_START + 24) -#define NETX_IRQ_IRQ_PHY (NETX_IRQ_VIC_START + 25) -#define NETX_IRQ_ISO_AREA (NETX_IRQ_VIC_START + 26) -/* int 27 is reserved */ -/* int 28 is reserved */ -#define NETX_IRQ_TIMER3 (NETX_IRQ_VIC_START + 29) -#define NETX_IRQ_TIMER4 (NETX_IRQ_VIC_START + 30) -/* int 31 is reserved */ - -#define NETX_IRQS (NETX_IRQ_VIC_START + 32) - -/* for multiplexed irqs on gpio 0..14 */ -#define NETX_IRQ_GPIO(x) (NETX_IRQS + (x)) -#define NETX_IRQ_GPIO_LAST NETX_IRQ_GPIO(14) - -/* Host interface interrupts */ -#define NETX_IRQ_HIF_CHAINED(x) (NETX_IRQ_GPIO_LAST + 1 + (x)) -#define NETX_IRQ_HIF_PIO35 NETX_IRQ_HIF_CHAINED(0) -#define NETX_IRQ_HIF_PIO36 NETX_IRQ_HIF_CHAINED(1) -#define NETX_IRQ_HIF_PIO40 NETX_IRQ_HIF_CHAINED(2) -#define NETX_IRQ_HIF_PIO47 NETX_IRQ_HIF_CHAINED(3) -#define NETX_IRQ_HIF_PIO72 NETX_IRQ_HIF_CHAINED(4) -#define NETX_IRQ_HIF_LAST NETX_IRQ_HIF_CHAINED(4) - -#define NR_IRQS (NETX_IRQ_HIF_LAST + 1) diff --git a/arch/arm/mach-netx/include/mach/netx-regs.h b/arch/arm/mach-netx/include/mach/netx-regs.h deleted file mode 100644 index 7c356a6ab80b..000000000000 --- a/arch/arm/mach-netx/include/mach/netx-regs.h +++ /dev/null @@ -1,420 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/netx-regs.h - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#ifndef __ASM_ARCH_NETX_REGS_H -#define __ASM_ARCH_NETX_REGS_H - -/* offsets relative to the beginning of the io space */ -#define NETX_OFS_SYSTEM 0x00000 -#define NETX_OFS_MEMCR 0x00100 -#define NETX_OFS_DPMAS 0x03000 -#define NETX_OFS_GPIO 0x00800 -#define NETX_OFS_PIO 0x00900 -#define NETX_OFS_UART0 0x00a00 -#define NETX_OFS_UART1 0x00a40 -#define NETX_OFS_UART2 0x00a80 -#define NETX_OF_MIIMU 0x00b00 -#define NETX_OFS_SPI 0x00c00 -#define NETX_OFS_I2C 0x00d00 -#define NETX_OFS_SYSTIME 0x01100 -#define NETX_OFS_RTC 0x01200 -#define NETX_OFS_EXTBUS 0x03600 -#define NETX_OFS_LCD 0x04000 -#define NETX_OFS_USB 0x20000 -#define NETX_OFS_XMAC0 0x60000 -#define NETX_OFS_XMAC1 0x61000 -#define NETX_OFS_XMAC2 0x62000 -#define NETX_OFS_XMAC3 0x63000 -#define NETX_OFS_XMAC(no) (0x60000 + (no) * 0x1000) -#define NETX_OFS_PFIFO 0x64000 -#define NETX_OFS_XPEC0 0x70000 -#define NETX_OFS_XPEC1 0x74000 -#define NETX_OFS_XPEC2 0x78000 -#define NETX_OFS_XPEC3 0x7c000 -#define NETX_OFS_XPEC(no) (0x70000 + (no) * 0x4000) -#define NETX_OFS_VIC 0xff000 - -/* physical addresses */ -#define NETX_PA_SYSTEM (NETX_IO_PHYS + NETX_OFS_SYSTEM) -#define NETX_PA_MEMCR (NETX_IO_PHYS + NETX_OFS_MEMCR) -#define NETX_PA_DPMAS (NETX_IO_PHYS + NETX_OFS_DPMAS) -#define NETX_PA_GPIO (NETX_IO_PHYS + NETX_OFS_GPIO) -#define NETX_PA_PIO (NETX_IO_PHYS + NETX_OFS_PIO) -#define NETX_PA_UART0 (NETX_IO_PHYS + NETX_OFS_UART0) -#define NETX_PA_UART1 (NETX_IO_PHYS + NETX_OFS_UART1) -#define NETX_PA_UART2 (NETX_IO_PHYS + NETX_OFS_UART2) -#define NETX_PA_MIIMU (NETX_IO_PHYS + NETX_OF_MIIMU) -#define NETX_PA_SPI (NETX_IO_PHYS + NETX_OFS_SPI) -#define NETX_PA_I2C (NETX_IO_PHYS + NETX_OFS_I2C) -#define NETX_PA_SYSTIME (NETX_IO_PHYS + NETX_OFS_SYSTIME) -#define NETX_PA_RTC (NETX_IO_PHYS + NETX_OFS_RTC) -#define NETX_PA_EXTBUS (NETX_IO_PHYS + NETX_OFS_EXTBUS) -#define NETX_PA_LCD (NETX_IO_PHYS + NETX_OFS_LCD) -#define NETX_PA_USB (NETX_IO_PHYS + NETX_OFS_USB) -#define NETX_PA_XMAC0 (NETX_IO_PHYS + NETX_OFS_XMAC0) -#define NETX_PA_XMAC1 (NETX_IO_PHYS + NETX_OFS_XMAC1) -#define NETX_PA_XMAC2 (NETX_IO_PHYS + NETX_OFS_XMAC2) -#define NETX_PA_XMAC3 (NETX_IO_PHYS + NETX_OFS_XMAC3) -#define NETX_PA_XMAC(no) (NETX_IO_PHYS + NETX_OFS_XMAC(no)) -#define NETX_PA_PFIFO (NETX_IO_PHYS + NETX_OFS_PFIFO) -#define NETX_PA_XPEC0 (NETX_IO_PHYS + NETX_OFS_XPEC0) -#define NETX_PA_XPEC1 (NETX_IO_PHYS + NETX_OFS_XPEC1) -#define NETX_PA_XPEC2 (NETX_IO_PHYS + NETX_OFS_XPEC2) -#define NETX_PA_XPEC3 (NETX_IO_PHYS + NETX_OFS_XPEC3) -#define NETX_PA_XPEC(no) (NETX_IO_PHYS + NETX_OFS_XPEC(no)) -#define NETX_PA_VIC (NETX_IO_PHYS + NETX_OFS_VIC) - -/* virtual addresses */ -#define NETX_VA_SYSTEM (NETX_IO_VIRT + NETX_OFS_SYSTEM) -#define NETX_VA_MEMCR (NETX_IO_VIRT + NETX_OFS_MEMCR) -#define NETX_VA_DPMAS (NETX_IO_VIRT + NETX_OFS_DPMAS) -#define NETX_VA_GPIO (NETX_IO_VIRT + NETX_OFS_GPIO) -#define NETX_VA_PIO (NETX_IO_VIRT + NETX_OFS_PIO) -#define NETX_VA_UART0 (NETX_IO_VIRT + NETX_OFS_UART0) -#define NETX_VA_UART1 (NETX_IO_VIRT + NETX_OFS_UART1) -#define NETX_VA_UART2 (NETX_IO_VIRT + NETX_OFS_UART2) -#define NETX_VA_MIIMU (NETX_IO_VIRT + NETX_OF_MIIMU) -#define NETX_VA_SPI (NETX_IO_VIRT + NETX_OFS_SPI) -#define NETX_VA_I2C (NETX_IO_VIRT + NETX_OFS_I2C) -#define NETX_VA_SYSTIME (NETX_IO_VIRT + NETX_OFS_SYSTIME) -#define NETX_VA_RTC (NETX_IO_VIRT + NETX_OFS_RTC) -#define NETX_VA_EXTBUS (NETX_IO_VIRT + NETX_OFS_EXTBUS) -#define NETX_VA_LCD (NETX_IO_VIRT + NETX_OFS_LCD) -#define NETX_VA_USB (NETX_IO_VIRT + NETX_OFS_USB) -#define NETX_VA_XMAC0 (NETX_IO_VIRT + NETX_OFS_XMAC0) -#define NETX_VA_XMAC1 (NETX_IO_VIRT + NETX_OFS_XMAC1) -#define NETX_VA_XMAC2 (NETX_IO_VIRT + NETX_OFS_XMAC2) -#define NETX_VA_XMAC3 (NETX_IO_VIRT + NETX_OFS_XMAC3) -#define NETX_VA_XMAC(no) (NETX_IO_VIRT + NETX_OFS_XMAC(no)) -#define NETX_VA_PFIFO (NETX_IO_VIRT + NETX_OFS_PFIFO) -#define NETX_VA_XPEC0 (NETX_IO_VIRT + NETX_OFS_XPEC0) -#define NETX_VA_XPEC1 (NETX_IO_VIRT + NETX_OFS_XPEC1) -#define NETX_VA_XPEC2 (NETX_IO_VIRT + NETX_OFS_XPEC2) -#define NETX_VA_XPEC3 (NETX_IO_VIRT + NETX_OFS_XPEC3) -#define NETX_VA_XPEC(no) (NETX_IO_VIRT + NETX_OFS_XPEC(no)) -#define NETX_VA_VIC (NETX_IO_VIRT + NETX_OFS_VIC) - -/********************************* - * System functions * - *********************************/ - -/* Registers */ -#define NETX_SYSTEM_REG(ofs) IOMEM(NETX_VA_SYSTEM + (ofs)) -#define NETX_SYSTEM_BOO_SR NETX_SYSTEM_REG(0x00) -#define NETX_SYSTEM_IOC_CR NETX_SYSTEM_REG(0x04) -#define NETX_SYSTEM_IOC_MR NETX_SYSTEM_REG(0x08) - -/* FIXME: Docs are not consistent */ -/* #define NETX_SYSTEM_RES_CR NETX_SYSTEM_REG(0x08) */ -#define NETX_SYSTEM_RES_CR NETX_SYSTEM_REG(0x0c) - -#define NETX_SYSTEM_PHY_CONTROL NETX_SYSTEM_REG(0x10) -#define NETX_SYSTEM_REV NETX_SYSTEM_REG(0x34) -#define NETX_SYSTEM_IOC_ACCESS_KEY NETX_SYSTEM_REG(0x70) -#define NETX_SYSTEM_WDG_TR NETX_SYSTEM_REG(0x200) -#define NETX_SYSTEM_WDG_CTR NETX_SYSTEM_REG(0x204) -#define NETX_SYSTEM_WDG_IRQ_TIMEOUT NETX_SYSTEM_REG(0x208) -#define NETX_SYSTEM_WDG_RES_TIMEOUT NETX_SYSTEM_REG(0x20c) - -/* Bits */ -#define NETX_SYSTEM_RES_CR_RSTIN (1<<0) -#define NETX_SYSTEM_RES_CR_WDG_RES (1<<1) -#define NETX_SYSTEM_RES_CR_HOST_RES (1<<2) -#define NETX_SYSTEM_RES_CR_FIRMW_RES (1<<3) -#define NETX_SYSTEM_RES_CR_XPEC0_RES (1<<4) -#define NETX_SYSTEM_RES_CR_XPEC1_RES (1<<5) -#define NETX_SYSTEM_RES_CR_XPEC2_RES (1<<6) -#define NETX_SYSTEM_RES_CR_XPEC3_RES (1<<7) -#define NETX_SYSTEM_RES_CR_DIS_XPEC0_RES (1<<16) -#define NETX_SYSTEM_RES_CR_DIS_XPEC1_RES (1<<17) -#define NETX_SYSTEM_RES_CR_DIS_XPEC2_RES (1<<18) -#define NETX_SYSTEM_RES_CR_DIS_XPEC3_RES (1<<19) -#define NETX_SYSTEM_RES_CR_FIRMW_FLG0 (1<<20) -#define NETX_SYSTEM_RES_CR_FIRMW_FLG1 (1<<21) -#define NETX_SYSTEM_RES_CR_FIRMW_FLG2 (1<<22) -#define NETX_SYSTEM_RES_CR_FIRMW_FLG3 (1<<23) -#define NETX_SYSTEM_RES_CR_FIRMW_RES_EN (1<<24) -#define NETX_SYSTEM_RES_CR_RSTOUT (1<<25) -#define NETX_SYSTEM_RES_CR_EN_RSTOUT (1<<26) - -#define PHY_CONTROL_RESET (1<<31) -#define PHY_CONTROL_SIM_BYP (1<<30) -#define PHY_CONTROL_CLK_XLATIN (1<<29) -#define PHY_CONTROL_PHY1_EN (1<<21) -#define PHY_CONTROL_PHY1_NP_MSG_CODE -#define PHY_CONTROL_PHY1_AUTOMDIX (1<<17) -#define PHY_CONTROL_PHY1_FIXMODE (1<<16) -#define PHY_CONTROL_PHY1_MODE(mode) (((mode) & 0x7) << 13) -#define PHY_CONTROL_PHY0_EN (1<<12) -#define PHY_CONTROL_PHY0_NP_MSG_CODE -#define PHY_CONTROL_PHY0_AUTOMDIX (1<<8) -#define PHY_CONTROL_PHY0_FIXMODE (1<<7) -#define PHY_CONTROL_PHY0_MODE(mode) (((mode) & 0x7) << 4) -#define PHY_CONTROL_PHY_ADDRESS(adr) ((adr) & 0xf) - -#define PHY_MODE_10BASE_T_HALF 0 -#define PHY_MODE_10BASE_T_FULL 1 -#define PHY_MODE_100BASE_TX_FX_FULL 2 -#define PHY_MODE_100BASE_TX_FX_HALF 3 -#define PHY_MODE_100BASE_TX_HALF 4 -#define PHY_MODE_REPEATER 5 -#define PHY_MODE_POWER_DOWN 6 -#define PHY_MODE_ALL 7 - -/* Bits */ -#define VECT_CNTL_ENABLE (1 << 5) - -/******************************* - * GPIO and timer module * - *******************************/ - -/* Registers */ -#define NETX_GPIO_REG(ofs) IOMEM(NETX_VA_GPIO + (ofs)) -#define NETX_GPIO_CFG(gpio) NETX_GPIO_REG(0x0 + ((gpio)<<2)) -#define NETX_GPIO_THRESHOLD_CAPTURE(gpio) NETX_GPIO_REG(0x40 + ((gpio)<<2)) -#define NETX_GPIO_COUNTER_CTRL(counter) NETX_GPIO_REG(0x80 + ((counter)<<2)) -#define NETX_GPIO_COUNTER_MAX(counter) NETX_GPIO_REG(0x94 + ((counter)<<2)) -#define NETX_GPIO_COUNTER_CURRENT(counter) NETX_GPIO_REG(0xa8 + ((counter)<<2)) -#define NETX_GPIO_IRQ_ENABLE NETX_GPIO_REG(0xbc) -#define NETX_GPIO_IRQ_DISABLE NETX_GPIO_REG(0xc0) -#define NETX_GPIO_SYSTIME_NS_CMP NETX_GPIO_REG(0xc4) -#define NETX_GPIO_LINE NETX_GPIO_REG(0xc8) -#define NETX_GPIO_IRQ NETX_GPIO_REG(0xd0) - -/* Bits */ -#define NETX_GPIO_CFG_IOCFG_GP_INPUT (0x0) -#define NETX_GPIO_CFG_IOCFG_GP_OUTPUT (0x1) -#define NETX_GPIO_CFG_IOCFG_GP_UART (0x2) -#define NETX_GPIO_CFG_INV (1<<2) -#define NETX_GPIO_CFG_MODE_INPUT_READ (0<<3) -#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_CONT_RISING (1<<3) -#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_ONCE_RISING (2<<3) -#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_HIGH_LEVEL (3<<3) -#define NETX_GPIO_CFG_COUNT_REF_COUNTER0 (0<<5) -#define NETX_GPIO_CFG_COUNT_REF_COUNTER1 (1<<5) -#define NETX_GPIO_CFG_COUNT_REF_COUNTER2 (2<<5) -#define NETX_GPIO_CFG_COUNT_REF_COUNTER3 (3<<5) -#define NETX_GPIO_CFG_COUNT_REF_COUNTER4 (4<<5) -#define NETX_GPIO_CFG_COUNT_REF_SYSTIME (7<<5) - -#define NETX_GPIO_COUNTER_CTRL_RUN (1<<0) -#define NETX_GPIO_COUNTER_CTRL_SYM (1<<1) -#define NETX_GPIO_COUNTER_CTRL_ONCE (1<<2) -#define NETX_GPIO_COUNTER_CTRL_IRQ_EN (1<<3) -#define NETX_GPIO_COUNTER_CTRL_CNT_EVENT (1<<4) -#define NETX_GPIO_COUNTER_CTRL_RST_EN (1<<5) -#define NETX_GPIO_COUNTER_CTRL_SEL_EVENT (1<<6) -#define NETX_GPIO_COUNTER_CTRL_GPIO_REF /* FIXME */ - -#define GPIO_BIT(gpio) (1<<(gpio)) -#define COUNTER_BIT(counter) ((1<<16)<<(counter)) - -/******************************* - * PIO * - *******************************/ - -/* Registers */ -#define NETX_PIO_REG(ofs) IOMEM(NETX_VA_PIO + (ofs)) -#define NETX_PIO_INPIO NETX_PIO_REG(0x0) -#define NETX_PIO_OUTPIO NETX_PIO_REG(0x4) -#define NETX_PIO_OEPIO NETX_PIO_REG(0x8) - -/******************************* - * MII Unit * - *******************************/ - -/* Registers */ -#define NETX_MIIMU IOMEM(NETX_VA_MIIMU) - -/* Bits */ -#define MIIMU_SNRDY (1<<0) -#define MIIMU_PREAMBLE (1<<1) -#define MIIMU_OPMODE_WRITE (1<<2) -#define MIIMU_MDC_PERIOD (1<<3) -#define MIIMU_PHY_NRES (1<<4) -#define MIIMU_RTA (1<<5) -#define MIIMU_REGADDR(adr) (((adr) & 0x1f) << 6) -#define MIIMU_PHYADDR(adr) (((adr) & 0x1f) << 11) -#define MIIMU_DATA(data) (((data) & 0xffff) << 16) - -/******************************* - * xmac / xpec * - *******************************/ - -/* XPEC register offsets relative to NETX_VA_XPEC(no) */ -#define NETX_XPEC_R0_OFS 0x00 -#define NETX_XPEC_R1_OFS 0x04 -#define NETX_XPEC_R2_OFS 0x08 -#define NETX_XPEC_R3_OFS 0x0c -#define NETX_XPEC_R4_OFS 0x10 -#define NETX_XPEC_R5_OFS 0x14 -#define NETX_XPEC_R6_OFS 0x18 -#define NETX_XPEC_R7_OFS 0x1c -#define NETX_XPEC_RANGE01_OFS 0x20 -#define NETX_XPEC_RANGE23_OFS 0x24 -#define NETX_XPEC_RANGE45_OFS 0x28 -#define NETX_XPEC_RANGE67_OFS 0x2c -#define NETX_XPEC_PC_OFS 0x48 -#define NETX_XPEC_TIMER_OFS(timer) (0x30 + ((timer)<<2)) -#define NETX_XPEC_IRQ_OFS 0x8c -#define NETX_XPEC_SYSTIME_NS_OFS 0x90 -#define NETX_XPEC_FIFO_DATA_OFS 0x94 -#define NETX_XPEC_SYSTIME_S_OFS 0x98 -#define NETX_XPEC_ADC_OFS 0x9c -#define NETX_XPEC_URX_COUNT_OFS 0x40 -#define NETX_XPEC_UTX_COUNT_OFS 0x44 -#define NETX_XPEC_PC_OFS 0x48 -#define NETX_XPEC_ZERO_OFS 0x4c -#define NETX_XPEC_STATCFG_OFS 0x50 -#define NETX_XPEC_EC_MASKA_OFS 0x54 -#define NETX_XPEC_EC_MASKB_OFS 0x58 -#define NETX_XPEC_EC_MASK0_OFS 0x5c -#define NETX_XPEC_EC_MASK8_OFS 0x7c -#define NETX_XPEC_EC_MASK9_OFS 0x80 -#define NETX_XPEC_XPU_HOLD_PC_OFS 0x100 -#define NETX_XPEC_RAM_START_OFS 0x2000 - -/* Bits */ -#define XPU_HOLD_PC (1<<0) - -/* XMAC register offsets relative to NETX_VA_XMAC(no) */ -#define NETX_XMAC_RPU_PROGRAM_START_OFS 0x000 -#define NETX_XMAC_RPU_PROGRAM_END_OFS 0x3ff -#define NETX_XMAC_TPU_PROGRAM_START_OFS 0x400 -#define NETX_XMAC_TPU_PROGRAM_END_OFS 0x7ff -#define NETX_XMAC_RPU_HOLD_PC_OFS 0xa00 -#define NETX_XMAC_TPU_HOLD_PC_OFS 0xa04 -#define NETX_XMAC_STATUS_SHARED0_OFS 0x840 -#define NETX_XMAC_CONFIG_SHARED0_OFS 0x844 -#define NETX_XMAC_STATUS_SHARED1_OFS 0x848 -#define NETX_XMAC_CONFIG_SHARED1_OFS 0x84c -#define NETX_XMAC_STATUS_SHARED2_OFS 0x850 -#define NETX_XMAC_CONFIG_SHARED2_OFS 0x854 -#define NETX_XMAC_STATUS_SHARED3_OFS 0x858 -#define NETX_XMAC_CONFIG_SHARED3_OFS 0x85c - -#define RPU_HOLD_PC (1<<15) -#define TPU_HOLD_PC (1<<15) - -/******************************* - * Pointer FIFO * - *******************************/ - -/* Registers */ -#define NETX_PFIFO_REG(ofs) IOMEM(NETX_VA_PFIFO + (ofs)) -#define NETX_PFIFO_BASE(pfifo) NETX_PFIFO_REG(0x00 + ((pfifo)<<2)) -#define NETX_PFIFO_BORDER_BASE(pfifo) NETX_PFIFO_REG(0x80 + ((pfifo)<<2)) -#define NETX_PFIFO_RESET NETX_PFIFO_REG(0x100) -#define NETX_PFIFO_FULL NETX_PFIFO_REG(0x104) -#define NETX_PFIFO_EMPTY NETX_PFIFO_REG(0x108) -#define NETX_PFIFO_OVEFLOW NETX_PFIFO_REG(0x10c) -#define NETX_PFIFO_UNDERRUN NETX_PFIFO_REG(0x110) -#define NETX_PFIFO_FILL_LEVEL(pfifo) NETX_PFIFO_REG(0x180 + ((pfifo)<<2)) -#define NETX_PFIFO_XPEC_ISR(xpec) NETX_PFIFO_REG(0x400 + ((xpec) << 2)) - - -/******************************* - * Memory Controller * - *******************************/ - -/* Registers */ -#define NETX_MEMCR_REG(ofs) IOMEM(NETX_VA_MEMCR + (ofs)) -#define NETX_MEMCR_SRAM_CTRL(cs) NETX_MEMCR_REG(0x0 + 4 * (cs)) /* SRAM for CS 0..2 */ -#define NETX_MEMCR_SDRAM_CFG_CTRL NETX_MEMCR_REG(0x40) -#define NETX_MEMCR_SDRAM_TIMING_CTRL NETX_MEMCR_REG(0x44) -#define NETX_MEMCR_SDRAM_MODE NETX_MEMCR_REG(0x48) -#define NETX_MEMCR_SDRAM_EXT_MODE NETX_MEMCR_REG(0x4c) -#define NETX_MEMCR_PRIO_TIMESLOT_CTRL NETX_MEMCR_REG(0x80) -#define NETX_MEMCR_PRIO_ACCESS_CTRL NETX_MEMCR_REG(0x84) - -/* Bits */ -#define NETX_MEMCR_SRAM_CTRL_WIDTHEXTMEM(x) (((x) & 0x3) << 24) -#define NETX_MEMCR_SRAM_CTRL_WSPOSTPAUSEEXTMEM(x) (((x) & 0x3) << 16) -#define NETX_MEMCR_SRAM_CTRL_WSPREPASEEXTMEM(x) (((x) & 0x3) << 8) -#define NETX_MEMCR_SRAM_CTRL_WSEXTMEM(x) (((x) & 0x1f) << 0) - - -/******************************* - * Dual Port Memory * - *******************************/ - -/* Registers */ -#define NETX_DPMAS_REG(ofs) IOMEM(NETX_VA_DPMAS + (ofs)) -#define NETX_DPMAS_SYS_STAT NETX_DPMAS_REG(0x4d8) -#define NETX_DPMAS_INT_STAT NETX_DPMAS_REG(0x4e0) -#define NETX_DPMAS_INT_EN NETX_DPMAS_REG(0x4f0) -#define NETX_DPMAS_IF_CONF0 NETX_DPMAS_REG(0x608) -#define NETX_DPMAS_IF_CONF1 NETX_DPMAS_REG(0x60c) -#define NETX_DPMAS_EXT_CONFIG(cs) NETX_DPMAS_REG(0x610 + 4 * (cs)) -#define NETX_DPMAS_IO_MODE0 NETX_DPMAS_REG(0x620) /* I/O 32..63 */ -#define NETX_DPMAS_DRV_EN0 NETX_DPMAS_REG(0x624) -#define NETX_DPMAS_DATA0 NETX_DPMAS_REG(0x628) -#define NETX_DPMAS_IO_MODE1 NETX_DPMAS_REG(0x630) /* I/O 64..84 */ -#define NETX_DPMAS_DRV_EN1 NETX_DPMAS_REG(0x634) -#define NETX_DPMAS_DATA1 NETX_DPMAS_REG(0x638) - -/* Bits */ -#define NETX_DPMAS_INT_EN_GLB_EN (1<<31) -#define NETX_DPMAS_INT_EN_MEM_LCK (1<<30) -#define NETX_DPMAS_INT_EN_WDG (1<<29) -#define NETX_DPMAS_INT_EN_PIO72 (1<<28) -#define NETX_DPMAS_INT_EN_PIO47 (1<<27) -#define NETX_DPMAS_INT_EN_PIO40 (1<<26) -#define NETX_DPMAS_INT_EN_PIO36 (1<<25) -#define NETX_DPMAS_INT_EN_PIO35 (1<<24) - -#define NETX_DPMAS_IF_CONF0_HIF_DISABLED (0<<28) -#define NETX_DPMAS_IF_CONF0_HIF_EXT_BUS (1<<28) -#define NETX_DPMAS_IF_CONF0_HIF_UP_8BIT (2<<28) -#define NETX_DPMAS_IF_CONF0_HIF_UP_16BIT (3<<28) -#define NETX_DPMAS_IF_CONF0_HIF_IO (4<<28) -#define NETX_DPMAS_IF_CONF0_WAIT_DRV_PP (1<<14) -#define NETX_DPMAS_IF_CONF0_WAIT_DRV_OD (2<<14) -#define NETX_DPMAS_IF_CONF0_WAIT_DRV_TRI (3<<14) - -#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO35 (1<<26) -#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO36 (1<<27) -#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO40 (1<<28) -#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO47 (1<<29) -#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO72 (1<<30) - -#define NETX_EXT_CONFIG_TALEWIDTH(x) (((x) & 0x7) << 29) -#define NETX_EXT_CONFIG_TADRHOLD(x) (((x) & 0x7) << 26) -#define NETX_EXT_CONFIG_TCSON(x) (((x) & 0x7) << 23) -#define NETX_EXT_CONFIG_TRDON(x) (((x) & 0x7) << 20) -#define NETX_EXT_CONFIG_TWRON(x) (((x) & 0x7) << 17) -#define NETX_EXT_CONFIG_TWROFF(x) (((x) & 0x1f) << 12) -#define NETX_EXT_CONFIG_TRDWRCYC(x) (((x) & 0x1f) << 7) -#define NETX_EXT_CONFIG_WAIT_POL (1<<6) -#define NETX_EXT_CONFIG_WAIT_EN (1<<5) -#define NETX_EXT_CONFIG_NRD_MODE (1<<4) -#define NETX_EXT_CONFIG_DS_MODE (1<<3) -#define NETX_EXT_CONFIG_NWR_MODE (1<<2) -#define NETX_EXT_CONFIG_16BIT (1<<1) -#define NETX_EXT_CONFIG_CS_ENABLE (1<<0) - -#define NETX_DPMAS_IO_MODE0_WRL (1<<13) -#define NETX_DPMAS_IO_MODE0_WAIT (1<<14) -#define NETX_DPMAS_IO_MODE0_READY (1<<15) -#define NETX_DPMAS_IO_MODE0_CS0 (1<<19) -#define NETX_DPMAS_IO_MODE0_EXTRD (1<<20) - -#define NETX_DPMAS_IO_MODE1_CS2 (1<<15) -#define NETX_DPMAS_IO_MODE1_CS1 (1<<16) -#define NETX_DPMAS_IO_MODE1_SAMPLE_NPOR (0<<30) -#define NETX_DPMAS_IO_MODE1_SAMPLE_100MHZ (1<<30) -#define NETX_DPMAS_IO_MODE1_SAMPLE_NPIO36 (2<<30) -#define NETX_DPMAS_IO_MODE1_SAMPLE_PIO36 (3<<30) - -/******************************* - * I2C * - *******************************/ -#define NETX_I2C_REG(ofs) IOMEM(NETX_VA_I2C, (ofs)) -#define NETX_I2C_CTRL NETX_I2C_REG(0x0) -#define NETX_I2C_DATA NETX_I2C_REG(0x4) - -#endif /* __ASM_ARCH_NETX_REGS_H */ diff --git a/arch/arm/mach-netx/include/mach/pfifo.h b/arch/arm/mach-netx/include/mach/pfifo.h deleted file mode 100644 index de23180bc937..000000000000 --- a/arch/arm/mach-netx/include/mach/pfifo.h +++ /dev/null @@ -1,42 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/pfifo.h - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - - -#ifndef ASM_ARCH_PFIFO_H -#define ASM_ARCH_PFIFO_H - -static inline int pfifo_push(int no, unsigned int pointer) -{ - writel(pointer, NETX_PFIFO_BASE(no)); - return 0; -} - -static inline unsigned int pfifo_pop(int no) -{ - return readl(NETX_PFIFO_BASE(no)); -} - -static inline int pfifo_fill_level(int no) -{ - - return readl(NETX_PFIFO_FILL_LEVEL(no)); -} - -static inline int pfifo_full(int no) -{ - return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0; -} - -static inline int pfifo_empty(int no) -{ - return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0; -} - -int pfifo_request(unsigned int pfifo_mask); -void pfifo_free(unsigned int pfifo_mask); - -#endif /* ASM_ARCH_PFIFO_H */ diff --git a/arch/arm/mach-netx/include/mach/uncompress.h b/arch/arm/mach-netx/include/mach/uncompress.h deleted file mode 100644 index edc1ac997eab..000000000000 --- a/arch/arm/mach-netx/include/mach/uncompress.h +++ /dev/null @@ -1,63 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/uncompress.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -/* - * The following code assumes the serial port has already been - * initialized by the bootloader. We search for the first enabled - * port in the most probable order. If you didn't setup a port in - * your bootloader then nothing will appear (which might be desired). - * - * This does not append a newline - */ - -#define REG(x) (*(volatile unsigned long *)(x)) - -#define UART1_BASE 0x100a00 -#define UART2_BASE 0x100a80 - -#define UART_DR 0x0 - -#define UART_CR 0x14 -#define CR_UART_EN (1<<0) - -#define UART_FR 0x18 -#define FR_BUSY (1<<3) -#define FR_TXFF (1<<5) - -static inline void putc(char c) -{ - unsigned long base; - - if (REG(UART1_BASE + UART_CR) & CR_UART_EN) - base = UART1_BASE; - else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) - base = UART2_BASE; - else - return; - - while (REG(base + UART_FR) & FR_TXFF); - REG(base + UART_DR) = c; -} - -static inline void flush(void) -{ - unsigned long base; - - if (REG(UART1_BASE + UART_CR) & CR_UART_EN) - base = UART1_BASE; - else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) - base = UART2_BASE; - else - return; - - while (REG(base + UART_FR) & FR_BUSY); -} - -/* - * nothing to do - */ -#define arch_decomp_setup() diff --git a/arch/arm/mach-netx/include/mach/xc.h b/arch/arm/mach-netx/include/mach/xc.h deleted file mode 100644 index 465d5e250ab8..000000000000 --- a/arch/arm/mach-netx/include/mach/xc.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/mach-netx/include/mach/xc.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#ifndef __ASM_ARCH_XC_H -#define __ASM_ARCH_XC_H - -struct xc { - int no; - unsigned int type; - unsigned int version; - void __iomem *xpec_base; - void __iomem *xmac_base; - void __iomem *sram_base; - int irq; - struct device *dev; -}; - -int xc_reset(struct xc *x); -int xc_stop(struct xc* x); -int xc_start(struct xc *x); -int xc_running(struct xc *x); -int xc_request_firmware(struct xc* x); -struct xc* request_xc(int xcno, struct device *dev); -void free_xc(struct xc *x); - -#endif /* __ASM_ARCH_XC_H */ diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c deleted file mode 100644 index ad5e6747b834..000000000000 --- a/arch/arm/mach-netx/nxdb500.c +++ /dev/null @@ -1,197 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/nxdb500.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mtd/plat-ram.h> -#include <linux/platform_device.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/netx-regs.h> -#include <linux/platform_data/eth-netx.h> - -#include "generic.h" -#include "fb.h" - -static struct clcd_panel qvga = { - .mode = { - .name = "QVGA", - .refresh = 60, - .xres = 240, - .yres = 320, - .pixclock = 187617, - .left_margin = 6, - .right_margin = 26, - .upper_margin = 0, - .lower_margin = 6, - .hsync_len = 6, - .vsync_len = 1, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = 16, - .cntl = CNTL_LCDTFT | CNTL_BGR, - .bpp = 16, - .grayscale = 0, -}; - -static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var) -{ - var->green.length = 5; - var->green.msb_right = 0; - - return clcdfb_check(fb, var); -} - -static int nxdb500_clcd_setup(struct clcd_fb *fb) -{ - unsigned int val; - - fb->fb.var.green.length = 5; - fb->fb.var.green.msb_right = 0; - - /* enable asic control */ - val = readl(NETX_SYSTEM_IOC_ACCESS_KEY); - writel(val, NETX_SYSTEM_IOC_ACCESS_KEY); - - writel(3, NETX_SYSTEM_IOC_CR); - - val = readl(NETX_PIO_OUTPIO); - writel(val | 1, NETX_PIO_OUTPIO); - - val = readl(NETX_PIO_OEPIO); - writel(val | 1, NETX_PIO_OEPIO); - return netx_clcd_setup(fb); -} - -static struct clcd_board clcd_data = { - .name = "netX", - .check = nxdb500_check, - .decode = clcdfb_decode, - .enable = netx_clcd_enable, - .setup = nxdb500_clcd_setup, - .mmap = netx_clcd_mmap, - .remove = netx_clcd_remove, -}; - -static struct netxeth_platform_data eth0_platform_data = { - .xcno = 0, -}; - -static struct platform_device netx_eth0_device = { - .name = "netx-eth", - .id = 0, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð0_platform_data, - } -}; - -static struct netxeth_platform_data eth1_platform_data = { - .xcno = 1, -}; - -static struct platform_device netx_eth1_device = { - .name = "netx-eth", - .id = 1, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð1_platform_data, - } -}; - -static struct resource netx_uart0_resources[] = { - [0] = { - .start = 0x00100A00, - .end = 0x00100A3F, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (NETX_IRQ_UART0), - .end = (NETX_IRQ_UART0), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device netx_uart0_device = { - .name = "netx-uart", - .id = 0, - .num_resources = ARRAY_SIZE(netx_uart0_resources), - .resource = netx_uart0_resources, -}; - -static struct resource netx_uart1_resources[] = { - [0] = { - .start = 0x00100A40, - .end = 0x00100A7F, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (NETX_IRQ_UART1), - .end = (NETX_IRQ_UART1), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device netx_uart1_device = { - .name = "netx-uart", - .id = 1, - .num_resources = ARRAY_SIZE(netx_uart1_resources), - .resource = netx_uart1_resources, -}; - -static struct resource netx_uart2_resources[] = { - [0] = { - .start = 0x00100A80, - .end = 0x00100ABF, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (NETX_IRQ_UART2), - .end = (NETX_IRQ_UART2), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device netx_uart2_device = { - .name = "netx-uart", - .id = 2, - .num_resources = ARRAY_SIZE(netx_uart2_resources), - .resource = netx_uart2_resources, -}; - -static struct platform_device *devices[] __initdata = { - &netx_eth0_device, - &netx_eth1_device, - &netx_uart0_device, - &netx_uart1_device, - &netx_uart2_device, -}; - -static void __init nxdb500_init(void) -{ - netx_fb_init(&clcd_data, &qvga); - platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -MACHINE_START(NXDB500, "Hilscher nxdb500") - .atag_offset = 0x100, - .map_io = netx_map_io, - .init_irq = netx_init_irq, - .init_time = netx_timer_init, - .init_machine = nxdb500_init, - .restart = netx_restart, -MACHINE_END diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c deleted file mode 100644 index 917381559628..000000000000 --- a/arch/arm/mach-netx/nxdkn.c +++ /dev/null @@ -1,90 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/nxdkn.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mtd/plat-ram.h> -#include <linux/platform_device.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/netx-regs.h> -#include <linux/platform_data/eth-netx.h> - -#include "generic.h" - -static struct netxeth_platform_data eth0_platform_data = { - .xcno = 0, -}; - -static struct platform_device nxdkn_eth0_device = { - .name = "netx-eth", - .id = 0, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð0_platform_data, - } -}; - -static struct netxeth_platform_data eth1_platform_data = { - .xcno = 1, -}; - -static struct platform_device nxdkn_eth1_device = { - .name = "netx-eth", - .id = 1, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð1_platform_data, - } -}; - -static struct resource netx_uart0_resources[] = { - [0] = { - .start = 0x00100A00, - .end = 0x00100A3F, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (NETX_IRQ_UART0), - .end = (NETX_IRQ_UART0), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device netx_uart0_device = { - .name = "netx-uart", - .id = 0, - .num_resources = ARRAY_SIZE(netx_uart0_resources), - .resource = netx_uart0_resources, -}; - -static struct platform_device *devices[] __initdata = { - &nxdkn_eth0_device, - &nxdkn_eth1_device, - &netx_uart0_device, -}; - -static void __init nxdkn_init(void) -{ - platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -MACHINE_START(NXDKN, "Hilscher nxdkn") - .atag_offset = 0x100, - .map_io = netx_map_io, - .init_irq = netx_init_irq, - .init_time = netx_timer_init, - .init_machine = nxdkn_init, - .restart = netx_restart, -MACHINE_END diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c deleted file mode 100644 index aa0d5b2ca712..000000000000 --- a/arch/arm/mach-netx/nxeb500hmi.c +++ /dev/null @@ -1,174 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/nxeb500hmi.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mtd/plat-ram.h> -#include <linux/platform_device.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/netx-regs.h> -#include <linux/platform_data/eth-netx.h> - -#include "generic.h" -#include "fb.h" - -static struct clcd_panel qvga = { - .mode = { - .name = "QVGA", - .refresh = 60, - .xres = 240, - .yres = 320, - .pixclock = 187617, - .left_margin = 6, - .right_margin = 26, - .upper_margin = 0, - .lower_margin = 6, - .hsync_len = 6, - .vsync_len = 1, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = 16, - .cntl = CNTL_LCDTFT | CNTL_BGR, - .bpp = 16, - .grayscale = 0, -}; - -static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var) -{ - var->green.length = 5; - var->green.msb_right = 0; - - return clcdfb_check(fb, var); -} - -static int nxeb500hmi_clcd_setup(struct clcd_fb *fb) -{ - unsigned int val; - - fb->fb.var.green.length = 5; - fb->fb.var.green.msb_right = 0; - - /* enable asic control */ - val = readl(NETX_SYSTEM_IOC_ACCESS_KEY); - writel(val, NETX_SYSTEM_IOC_ACCESS_KEY); - - writel(3, NETX_SYSTEM_IOC_CR); - - /* GPIO 14 is used for display enable on newer boards */ - writel(9, NETX_GPIO_CFG(14)); - - val = readl(NETX_PIO_OUTPIO); - writel(val | 1, NETX_PIO_OUTPIO); - - val = readl(NETX_PIO_OEPIO); - writel(val | 1, NETX_PIO_OEPIO); - return netx_clcd_setup(fb); -} - -static struct clcd_board clcd_data = { - .name = "netX", - .check = nxeb500hmi_check, - .decode = clcdfb_decode, - .enable = netx_clcd_enable, - .setup = nxeb500hmi_clcd_setup, - .mmap = netx_clcd_mmap, - .remove = netx_clcd_remove, -}; - -static struct netxeth_platform_data eth0_platform_data = { - .xcno = 0, -}; - -static struct platform_device netx_eth0_device = { - .name = "netx-eth", - .id = 0, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð0_platform_data, - } -}; - -static struct netxeth_platform_data eth1_platform_data = { - .xcno = 1, -}; - -static struct platform_device netx_eth1_device = { - .name = "netx-eth", - .id = 1, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = ð1_platform_data, - } -}; - -static struct resource netx_cf_resources[] = { - [0] = { - .start = 0x20000000, - .end = 0x25ffffff, - .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, - }, -}; - -static struct platform_device netx_cf_device = { - .name = "netx-cf", - .id = 0, - .resource = netx_cf_resources, - .num_resources = ARRAY_SIZE(netx_cf_resources), -}; - -static struct resource netx_uart0_resources[] = { - [0] = { - .start = 0x00100A00, - .end = 0x00100A3F, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (NETX_IRQ_UART0), - .end = (NETX_IRQ_UART0), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device netx_uart0_device = { - .name = "netx-uart", - .id = 0, - .num_resources = ARRAY_SIZE(netx_uart0_resources), - .resource = netx_uart0_resources, -}; - -static struct platform_device *devices[] __initdata = { - &netx_eth0_device, - &netx_eth1_device, - &netx_cf_device, - &netx_uart0_device, -}; - -static void __init nxeb500hmi_init(void) -{ - netx_fb_init(&clcd_data, &qvga); - platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi") - .atag_offset = 0x100, - .map_io = netx_map_io, - .init_irq = netx_init_irq, - .init_time = netx_timer_init, - .init_machine = nxeb500hmi_init, - .restart = netx_restart, -MACHINE_END diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c deleted file mode 100644 index 2e5cc777329f..000000000000 --- a/arch/arm/mach-netx/pfifo.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/pfifo.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/netx-regs.h> -#include <mach/pfifo.h> - -static DEFINE_MUTEX(pfifo_lock); - -static unsigned int pfifo_used = 0; - -int pfifo_request(unsigned int pfifo_mask) -{ - int err = 0; - unsigned int val; - - mutex_lock(&pfifo_lock); - - if (pfifo_mask & pfifo_used) { - err = -EBUSY; - goto out; - } - - pfifo_used |= pfifo_mask; - - val = readl(NETX_PFIFO_RESET); - writel(val | pfifo_mask, NETX_PFIFO_RESET); - writel(val, NETX_PFIFO_RESET); - -out: - mutex_unlock(&pfifo_lock); - return err; -} - -void pfifo_free(unsigned int pfifo_mask) -{ - mutex_lock(&pfifo_lock); - pfifo_used &= ~pfifo_mask; - mutex_unlock(&pfifo_lock); -} - -EXPORT_SYMBOL(pfifo_push); -EXPORT_SYMBOL(pfifo_pop); -EXPORT_SYMBOL(pfifo_fill_level); -EXPORT_SYMBOL(pfifo_empty); -EXPORT_SYMBOL(pfifo_request); -EXPORT_SYMBOL(pfifo_free); diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c deleted file mode 100644 index d9defa1ab605..000000000000 --- a/arch/arm/mach-netx/time.c +++ /dev/null @@ -1,141 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/time.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/clocksource.h> -#include <linux/clockchips.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/mach/time.h> -#include <mach/netx-regs.h> - -#define NETX_CLOCK_FREQ 100000000 -#define NETX_LATCH DIV_ROUND_CLOSEST(NETX_CLOCK_FREQ, HZ) - -#define TIMER_CLOCKEVENT 0 -#define TIMER_CLOCKSOURCE 1 - -static inline void timer_shutdown(struct clock_event_device *evt) -{ - /* disable timer */ - writel(0, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT)); -} - -static int netx_shutdown(struct clock_event_device *evt) -{ - timer_shutdown(evt); - - return 0; -} - -static int netx_set_oneshot(struct clock_event_device *evt) -{ - u32 tmode = NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN; - - timer_shutdown(evt); - writel(0, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); - writel(tmode, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT)); - - return 0; -} - -static int netx_set_periodic(struct clock_event_device *evt) -{ - u32 tmode = NETX_GPIO_COUNTER_CTRL_RST_EN | - NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN; - - timer_shutdown(evt); - writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); - writel(tmode, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT)); - - return 0; -} - -static int netx_set_next_event(unsigned long evt, - struct clock_event_device *clk) -{ - writel(0 - evt, NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKEVENT)); - return 0; -} - -static struct clock_event_device netx_clockevent = { - .name = "netx-timer" __stringify(TIMER_CLOCKEVENT), - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = netx_set_next_event, - .set_state_shutdown = netx_shutdown, - .set_state_periodic = netx_set_periodic, - .set_state_oneshot = netx_set_oneshot, - .tick_resume = netx_shutdown, -}; - -/* - * IRQ handler for the timer - */ -static irqreturn_t -netx_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *evt = &netx_clockevent; - - /* acknowledge interrupt */ - writel(COUNTER_BIT(0), NETX_GPIO_IRQ); - - evt->event_handler(evt); - - return IRQ_HANDLED; -} - -static struct irqaction netx_timer_irq = { - .name = "NetX Timer Tick", - .flags = IRQF_TIMER | IRQF_IRQPOLL, - .handler = netx_timer_interrupt, -}; - -/* - * Set up timer interrupt - */ -void __init netx_timer_init(void) -{ - /* disable timer initially */ - writel(0, NETX_GPIO_COUNTER_CTRL(0)); - - /* Reset the timer value to zero */ - writel(0, NETX_GPIO_COUNTER_CURRENT(0)); - - writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(0)); - - /* acknowledge interrupt */ - writel(COUNTER_BIT(0), NETX_GPIO_IRQ); - - /* Enable the interrupt in the specific timer - * register and start timer - */ - writel(COUNTER_BIT(0), NETX_GPIO_IRQ_ENABLE); - writel(NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN, - NETX_GPIO_COUNTER_CTRL(0)); - - setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq); - - /* Setup timer one for clocksource */ - writel(0, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE)); - writel(0, NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE)); - writel(0xffffffff, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKSOURCE)); - - writel(NETX_GPIO_COUNTER_CTRL_RUN, - NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE)); - - clocksource_mmio_init(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE), - "netx_timer", NETX_CLOCK_FREQ, 200, 32, clocksource_mmio_readl_up); - - /* with max_delta_ns >= delta2ns(0x800) the system currently runs fine. - * Adding some safety ... */ - netx_clockevent.cpumask = cpumask_of(0); - clockevents_config_and_register(&netx_clockevent, NETX_CLOCK_FREQ, - 0xa00, 0xfffffffe); -} diff --git a/arch/arm/mach-netx/xc.c b/arch/arm/mach-netx/xc.c deleted file mode 100644 index 885a618b2651..000000000000 --- a/arch/arm/mach-netx/xc.c +++ /dev/null @@ -1,246 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/xc.c - * - * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - */ - -#include <linux/init.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/mutex.h> -#include <linux/slab.h> -#include <linux/io.h> -#include <linux/export.h> - -#include <mach/hardware.h> -#include <mach/irqs.h> -#include <mach/netx-regs.h> - -#include <mach/xc.h> - -static DEFINE_MUTEX(xc_lock); - -static int xc_in_use = 0; - -struct fw_desc { - unsigned int ofs; - unsigned int size; - unsigned int patch_ofs; - unsigned int patch_entries; -}; - -struct fw_header { - unsigned int magic; - unsigned int type; - unsigned int version; - unsigned int reserved[5]; - struct fw_desc fw_desc[3]; -} __attribute__ ((packed)); - -int xc_stop(struct xc *x) -{ - writel(RPU_HOLD_PC, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS); - writel(TPU_HOLD_PC, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS); - writel(XPU_HOLD_PC, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS); - return 0; -} - -int xc_start(struct xc *x) -{ - writel(0, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS); - writel(0, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS); - writel(0, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS); - return 0; -} - -int xc_running(struct xc *x) -{ - return (readl(x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS) & RPU_HOLD_PC) - || (readl(x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS) & TPU_HOLD_PC) - || (readl(x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS) & XPU_HOLD_PC) ? - 0 : 1; -} - -int xc_reset(struct xc *x) -{ - writel(0, x->xpec_base + NETX_XPEC_PC_OFS); - return 0; -} - -static int xc_check_ptr(struct xc *x, unsigned long adr, unsigned int size) -{ - if (adr >= NETX_PA_XMAC(x->no) && - adr + size < NETX_PA_XMAC(x->no) + XMAC_MEM_SIZE) - return 0; - - if (adr >= NETX_PA_XPEC(x->no) && - adr + size < NETX_PA_XPEC(x->no) + XPEC_MEM_SIZE) - return 0; - - dev_err(x->dev, "Illegal pointer in firmware found. aborting\n"); - - return -1; -} - -static int xc_patch(struct xc *x, const void *patch, int count) -{ - unsigned int val, adr; - const unsigned int *data = patch; - - int i; - for (i = 0; i < count; i++) { - adr = *data++; - val = *data++; - if (xc_check_ptr(x, adr, 4) < 0) - return -EINVAL; - - writel(val, (void __iomem *)io_p2v(adr)); - } - return 0; -} - -int xc_request_firmware(struct xc *x) -{ - int ret; - char name[16]; - const struct firmware *fw; - struct fw_header *head; - unsigned int size; - int i; - const void *src; - unsigned long dst; - - sprintf(name, "xc%d.bin", x->no); - - ret = request_firmware(&fw, name, x->dev); - - if (ret < 0) { - dev_err(x->dev, "request_firmware failed\n"); - return ret; - } - - head = (struct fw_header *)fw->data; - if (head->magic != 0x4e657458) { - if (head->magic == 0x5874654e) { - dev_err(x->dev, - "firmware magic is 'XteN'. Endianness problems?\n"); - ret = -ENODEV; - goto exit_release_firmware; - } - dev_err(x->dev, "unrecognized firmware magic 0x%08x\n", - head->magic); - ret = -ENODEV; - goto exit_release_firmware; - } - - x->type = head->type; - x->version = head->version; - - ret = -EINVAL; - - for (i = 0; i < 3; i++) { - src = fw->data + head->fw_desc[i].ofs; - dst = *(unsigned int *)src; - src += sizeof (unsigned int); - size = head->fw_desc[i].size - sizeof (unsigned int); - - if (xc_check_ptr(x, dst, size)) - goto exit_release_firmware; - - memcpy((void *)io_p2v(dst), src, size); - - src = fw->data + head->fw_desc[i].patch_ofs; - size = head->fw_desc[i].patch_entries; - ret = xc_patch(x, src, size); - if (ret < 0) - goto exit_release_firmware; - } - - ret = 0; - - exit_release_firmware: - release_firmware(fw); - - return ret; -} - -struct xc *request_xc(int xcno, struct device *dev) -{ - struct xc *x = NULL; - - mutex_lock(&xc_lock); - - if (xcno > 3) - goto exit; - if (xc_in_use & (1 << xcno)) - goto exit; - - x = kmalloc(sizeof (struct xc), GFP_KERNEL); - if (!x) - goto exit; - - if (!request_mem_region - (NETX_PA_XPEC(xcno), XPEC_MEM_SIZE, kobject_name(&dev->kobj))) - goto exit_free; - - if (!request_mem_region - (NETX_PA_XMAC(xcno), XMAC_MEM_SIZE, kobject_name(&dev->kobj))) - goto exit_release_1; - - if (!request_mem_region - (SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE, kobject_name(&dev->kobj))) - goto exit_release_2; - - x->xpec_base = (void * __iomem)io_p2v(NETX_PA_XPEC(xcno)); - x->xmac_base = (void * __iomem)io_p2v(NETX_PA_XMAC(xcno)); - x->sram_base = ioremap(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE); - if (!x->sram_base) - goto exit_release_3; - - x->irq = NETX_IRQ_XPEC(xcno); - - x->no = xcno; - x->dev = dev; - - xc_in_use |= (1 << xcno); - - goto exit; - - exit_release_3: - release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE); - exit_release_2: - release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE); - exit_release_1: - release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE); - exit_free: - kfree(x); - x = NULL; - exit: - mutex_unlock(&xc_lock); - return x; -} - -void free_xc(struct xc *x) -{ - int xcno = x->no; - - mutex_lock(&xc_lock); - - iounmap(x->sram_base); - release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE); - release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE); - release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE); - xc_in_use &= ~(1 << x->no); - kfree(x); - - mutex_unlock(&xc_lock); -} - -EXPORT_SYMBOL(free_xc); -EXPORT_SYMBOL(request_xc); -EXPORT_SYMBOL(xc_request_firmware); -EXPORT_SYMBOL(xc_reset); -EXPORT_SYMBOL(xc_running); -EXPORT_SYMBOL(xc_start); -EXPORT_SYMBOL(xc_stop); diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h index e25f7fcd7997..cffa8991880d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h +++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h @@ -462,7 +462,7 @@ #define MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x1CC 0x434 0x000 0x5 0x0 #define MX8MM_IOMUXC_SAI3_RXFS_TPSMP_HTRANS0 0x1CC 0x434 0x000 0x7 0x0 #define MX8MM_IOMUXC_SAI3_RXC_SAI3_RX_BCLK 0x1D0 0x438 0x000 0x0 0x0 -#define MX8MM_IOMUXC_SAI3_RXC_GPT1_CAPTURE2 0x1D0 0x438 0x000 0x1 0x0 +#define MX8MM_IOMUXC_SAI3_RXC_GPT1_CLK 0x1D0 0x438 0x000 0x1 0x0 #define MX8MM_IOMUXC_SAI3_RXC_SAI5_RX_BCLK 0x1D0 0x438 0x4D0 0x2 0x2 #define MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x1D0 0x438 0x000 0x5 0x0 #define MX8MM_IOMUXC_SAI3_RXC_TPSMP_HTRANS1 0x1D0 0x438 0x000 0x7 0x0 @@ -472,7 +472,7 @@ #define MX8MM_IOMUXC_SAI3_RXD_GPIO4_IO30 0x1D4 0x43C 0x000 0x5 0x0 #define MX8MM_IOMUXC_SAI3_RXD_TPSMP_HDATA0 0x1D4 0x43C 0x000 0x7 0x0 #define MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0x1D8 0x440 0x000 0x0 0x0 -#define MX8MM_IOMUXC_SAI3_TXFS_GPT1_CLK 0x1D8 0x440 0x000 0x1 0x0 +#define MX8MM_IOMUXC_SAI3_TXFS_GPT1_CAPTURE2 0x1D8 0x440 0x000 0x1 0x0 #define MX8MM_IOMUXC_SAI3_TXFS_SAI5_RX_DATA1 0x1D8 0x440 0x4D8 0x2 0x2 #define MX8MM_IOMUXC_SAI3_TXFS_GPIO4_IO31 0x1D8 0x440 0x000 0x5 0x0 #define MX8MM_IOMUXC_SAI3_TXFS_TPSMP_HDATA1 0x1D8 0x440 0x000 0x7 0x0 diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index d09b808eff87..52aae341d0da 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -715,8 +715,7 @@ sai2: sai@308b0000 { #sound-dai-cells = <0>; - compatible = "fsl,imx8mq-sai", - "fsl,imx6sx-sai"; + compatible = "fsl,imx8mq-sai"; reg = <0x308b0000 0x10000>; interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX8MQ_CLK_SAI2_IPG>, diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 3c7037c6ba9b..b618017205a3 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -202,7 +202,7 @@ typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; ({ \ set_thread_flag(TIF_32BIT); \ }) -#ifdef CONFIG_GENERIC_COMPAT_VDSO +#ifdef CONFIG_COMPAT_VDSO #define COMPAT_ARCH_DLINFO \ do { \ /* \ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 87a4b2ddc1a1..3f5461f7b560 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -301,7 +301,6 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b) /* * Huge pte definitions. */ -#define pte_huge(pte) (!(pte_val(pte) & PTE_TABLE_BIT)) #define pte_mkhuge(pte) (__pte(pte_val(pte) & ~PTE_TABLE_BIT)) /* diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index fd5b1a4efc70..844e2964b0f5 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -193,6 +193,16 @@ static inline void start_thread_common(struct pt_regs *regs, unsigned long pc) regs->pmr_save = GIC_PRIO_IRQON; } +static inline void set_ssbs_bit(struct pt_regs *regs) +{ + regs->pstate |= PSR_SSBS_BIT; +} + +static inline void set_compat_ssbs_bit(struct pt_regs *regs) +{ + regs->pstate |= PSR_AA32_SSBS_BIT; +} + static inline void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) { @@ -200,7 +210,7 @@ static inline void start_thread(struct pt_regs *regs, unsigned long pc, regs->pstate = PSR_MODE_EL0t; if (arm64_get_ssbd_state() != ARM64_SSBD_FORCE_ENABLE) - regs->pstate |= PSR_SSBS_BIT; + set_ssbs_bit(regs); regs->sp = sp; } @@ -219,7 +229,7 @@ static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc, #endif if (arm64_get_ssbd_state() != ARM64_SSBD_FORCE_ENABLE) - regs->pstate |= PSR_AA32_SSBS_BIT; + set_compat_ssbs_bit(regs); regs->compat_sp = sp; } diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h index df45af931459..4d9b1f48dc39 100644 --- a/arch/arm64/include/asm/stacktrace.h +++ b/arch/arm64/include/asm/stacktrace.h @@ -8,19 +8,12 @@ #include <linux/percpu.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> +#include <linux/types.h> #include <asm/memory.h> #include <asm/ptrace.h> #include <asm/sdei.h> -struct stackframe { - unsigned long fp; - unsigned long pc; -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - int graph; -#endif -}; - enum stack_type { STACK_TYPE_UNKNOWN, STACK_TYPE_TASK, @@ -28,6 +21,7 @@ enum stack_type { STACK_TYPE_OVERFLOW, STACK_TYPE_SDEI_NORMAL, STACK_TYPE_SDEI_CRITICAL, + __NR_STACK_TYPES }; struct stack_info { @@ -36,6 +30,37 @@ struct stack_info { enum stack_type type; }; +/* + * A snapshot of a frame record or fp/lr register values, along with some + * accounting information necessary for robust unwinding. + * + * @fp: The fp value in the frame record (or the real fp) + * @pc: The fp value in the frame record (or the real lr) + * + * @stacks_done: Stacks which have been entirely unwound, for which it is no + * longer valid to unwind to. + * + * @prev_fp: The fp that pointed to this frame record, or a synthetic value + * of 0. This is used to ensure that within a stack, each + * subsequent frame record is at an increasing address. + * @prev_type: The type of stack this frame record was on, or a synthetic + * value of STACK_TYPE_UNKNOWN. This is used to detect a + * transition from one stack to another. + * + * @graph: When FUNCTION_GRAPH_TRACER is selected, holds the index of a + * replacement lr value in the ftrace graph stack. + */ +struct stackframe { + unsigned long fp; + unsigned long pc; + DECLARE_BITMAP(stacks_done, __NR_STACK_TYPES); + unsigned long prev_fp; + enum stack_type prev_type; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + int graph; +#endif +}; + extern int unwind_frame(struct task_struct *tsk, struct stackframe *frame); extern void walk_stackframe(struct task_struct *tsk, struct stackframe *frame, int (*fn)(struct stackframe *, void *), void *data); @@ -64,8 +89,9 @@ static inline bool on_irq_stack(unsigned long sp, return true; } -static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp, - struct stack_info *info) +static inline bool on_task_stack(const struct task_struct *tsk, + unsigned long sp, + struct stack_info *info) { unsigned long low = (unsigned long)task_stack_page(tsk); unsigned long high = low + THREAD_SIZE; @@ -112,10 +138,13 @@ static inline bool on_overflow_stack(unsigned long sp, * We can only safely access per-cpu stacks from current in a non-preemptible * context. */ -static inline bool on_accessible_stack(struct task_struct *tsk, - unsigned long sp, - struct stack_info *info) +static inline bool on_accessible_stack(const struct task_struct *tsk, + unsigned long sp, + struct stack_info *info) { + if (info) + info->type = STACK_TYPE_UNKNOWN; + if (on_task_stack(tsk, sp, info)) return true; if (tsk != current || preemptible()) @@ -130,4 +159,27 @@ static inline bool on_accessible_stack(struct task_struct *tsk, return false; } +static inline void start_backtrace(struct stackframe *frame, + unsigned long fp, unsigned long pc) +{ + frame->fp = fp; + frame->pc = pc; +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + frame->graph = 0; +#endif + + /* + * Prime the first unwind. + * + * In unwind_frame() we'll check that the FP points to a valid stack, + * which can't be STACK_TYPE_UNKNOWN, and the first unwind will be + * treated as a transition to whichever stack that happens to be. The + * prev_fp value won't be used, but we set it to 0 such that it is + * definitely not an accessible stack address. + */ + bitmap_zero(frame->stacks_done, __NR_STACK_TYPES); + frame->prev_fp = 0; + frame->prev_type = STACK_TYPE_UNKNOWN; +} + #endif /* __ASM_STACKTRACE_H */ diff --git a/arch/arm64/include/uapi/asm/bpf_perf_event.h b/arch/arm64/include/uapi/asm/bpf_perf_event.h index b551b741653d..5e1e648aeec4 100644 --- a/arch/arm64/include/uapi/asm/bpf_perf_event.h +++ b/arch/arm64/include/uapi/asm/bpf_perf_event.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ #define _UAPI__ASM_BPF_PERF_EVENT_H__ diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 9cdc4592da3e..320a30dbe35e 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -586,10 +586,8 @@ el1_sync: b.eq el1_ia cmp x24, #ESR_ELx_EC_SYS64 // configurable trap b.eq el1_undef - cmp x24, #ESR_ELx_EC_SP_ALIGN // stack alignment exception - b.eq el1_sp_pc cmp x24, #ESR_ELx_EC_PC_ALIGN // pc alignment exception - b.eq el1_sp_pc + b.eq el1_pc cmp x24, #ESR_ELx_EC_UNKNOWN // unknown exception in EL1 b.eq el1_undef cmp x24, #ESR_ELx_EC_BREAKPT_CUR // debug exception in EL1 @@ -611,9 +609,11 @@ el1_da: bl do_mem_abort kernel_exit 1 -el1_sp_pc: +el1_pc: /* - * Stack or PC alignment exception handling + * PC alignment exception handling. We don't handle SP alignment faults, + * since we will have hit a recursive exception when trying to push the + * initial pt_regs. */ mrs x0, far_el1 inherit_daif pstate=x23, tmp=x2 @@ -732,9 +732,9 @@ el0_sync: ccmp x24, #ESR_ELx_EC_WFx, #4, ne b.eq el0_sys cmp x24, #ESR_ELx_EC_SP_ALIGN // stack alignment exception - b.eq el0_sp_pc + b.eq el0_sp cmp x24, #ESR_ELx_EC_PC_ALIGN // pc alignment exception - b.eq el0_sp_pc + b.eq el0_pc cmp x24, #ESR_ELx_EC_UNKNOWN // unknown exception in EL0 b.eq el0_undef cmp x24, #ESR_ELx_EC_BREAKPT_LOW // debug exception in EL0 @@ -758,7 +758,7 @@ el0_sync_compat: cmp x24, #ESR_ELx_EC_FP_EXC32 // FP/ASIMD exception b.eq el0_fpsimd_exc cmp x24, #ESR_ELx_EC_PC_ALIGN // pc alignment exception - b.eq el0_sp_pc + b.eq el0_pc cmp x24, #ESR_ELx_EC_UNKNOWN // unknown exception in EL0 b.eq el0_undef cmp x24, #ESR_ELx_EC_CP15_32 // CP15 MRC/MCR trap @@ -858,11 +858,15 @@ el0_fpsimd_exc: mov x1, sp bl do_fpsimd_exc b ret_to_user +el0_sp: + ldr x26, [sp, #S_SP] + b el0_sp_pc +el0_pc: + mrs x26, far_el1 el0_sp_pc: /* * Stack or PC alignment exception handling */ - mrs x26, far_el1 gic_prio_kentry_setup tmp=x0 enable_da_f #ifdef CONFIG_TRACE_IRQFLAGS diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index eec4776ae5f0..37d3912cfe06 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -406,6 +406,18 @@ static __uint128_t arm64_cpu_to_le128(__uint128_t x) #define arm64_le128_to_cpu(x) arm64_cpu_to_le128(x) +static void __fpsimd_to_sve(void *sst, struct user_fpsimd_state const *fst, + unsigned int vq) +{ + unsigned int i; + __uint128_t *p; + + for (i = 0; i < SVE_NUM_ZREGS; ++i) { + p = (__uint128_t *)ZREG(sst, vq, i); + *p = arm64_cpu_to_le128(fst->vregs[i]); + } +} + /* * Transfer the FPSIMD state in task->thread.uw.fpsimd_state to * task->thread.sve_state. @@ -423,17 +435,12 @@ static void fpsimd_to_sve(struct task_struct *task) unsigned int vq; void *sst = task->thread.sve_state; struct user_fpsimd_state const *fst = &task->thread.uw.fpsimd_state; - unsigned int i; - __uint128_t *p; if (!system_supports_sve()) return; vq = sve_vq_from_vl(task->thread.sve_vl); - for (i = 0; i < 32; ++i) { - p = (__uint128_t *)ZREG(sst, vq, i); - *p = arm64_cpu_to_le128(fst->vregs[i]); - } + __fpsimd_to_sve(sst, fst, vq); } /* @@ -459,7 +466,7 @@ static void sve_to_fpsimd(struct task_struct *task) return; vq = sve_vq_from_vl(task->thread.sve_vl); - for (i = 0; i < 32; ++i) { + for (i = 0; i < SVE_NUM_ZREGS; ++i) { p = (__uint128_t const *)ZREG(sst, vq, i); fst->vregs[i] = arm64_le128_to_cpu(*p); } @@ -550,8 +557,6 @@ void sve_sync_from_fpsimd_zeropad(struct task_struct *task) unsigned int vq; void *sst = task->thread.sve_state; struct user_fpsimd_state const *fst = &task->thread.uw.fpsimd_state; - unsigned int i; - __uint128_t *p; if (!test_tsk_thread_flag(task, TIF_SVE)) return; @@ -559,11 +564,7 @@ void sve_sync_from_fpsimd_zeropad(struct task_struct *task) vq = sve_vq_from_vl(task->thread.sve_vl); memset(sst, 0, SVE_SIG_REGS_SIZE(vq)); - - for (i = 0; i < 32; ++i) { - p = (__uint128_t *)ZREG(sst, vq, i); - *p = arm64_cpu_to_le128(fst->vregs[i]); - } + __fpsimd_to_sve(sst, fst, vq); } int sve_set_vector_length(struct task_struct *task, diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c index 9d63514b9836..b0e03e052dd1 100644 --- a/arch/arm64/kernel/perf_callchain.c +++ b/arch/arm64/kernel/perf_callchain.c @@ -154,12 +154,7 @@ void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, return; } - frame.fp = regs->regs[29]; - frame.pc = regs->pc; -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif - + start_backtrace(&frame, regs->regs[29], regs->pc); walk_stackframe(current, &frame, callchain_trace, entry); } diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 6a869d9f304f..f674f28df663 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -398,7 +398,7 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start, childregs->pstate |= PSR_UAO_BIT; if (arm64_get_ssbd_state() == ARM64_SSBD_FORCE_DISABLE) - childregs->pstate |= PSR_SSBS_BIT; + set_ssbs_bit(childregs); if (system_uses_irq_prio_masking()) childregs->pmr_save = GIC_PRIO_IRQON; @@ -443,6 +443,32 @@ void uao_thread_switch(struct task_struct *next) } /* + * Force SSBS state on context-switch, since it may be lost after migrating + * from a CPU which treats the bit as RES0 in a heterogeneous system. + */ +static void ssbs_thread_switch(struct task_struct *next) +{ + struct pt_regs *regs = task_pt_regs(next); + + /* + * Nothing to do for kernel threads, but 'regs' may be junk + * (e.g. idle task) so check the flags and bail early. + */ + if (unlikely(next->flags & PF_KTHREAD)) + return; + + /* If the mitigation is enabled, then we leave SSBS clear. */ + if ((arm64_get_ssbd_state() == ARM64_SSBD_FORCE_ENABLE) || + test_tsk_thread_flag(next, TIF_SSBD)) + return; + + if (compat_user_mode(regs)) + set_compat_ssbs_bit(regs); + else if (user_mode(regs)) + set_ssbs_bit(regs); +} + +/* * We store our current task in sp_el0, which is clobbered by userspace. Keep a * shadow copy so that we can restore this upon entry from userspace. * @@ -471,6 +497,7 @@ __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev, entry_task_switch(next); uao_thread_switch(next); ptrauth_thread_switch(next); + ssbs_thread_switch(next); /* * Complete any pending TLB or cache maintenance on this CPU in case @@ -498,11 +525,8 @@ unsigned long get_wchan(struct task_struct *p) if (!stack_page) return 0; - frame.fp = thread_saved_fp(p); - frame.pc = thread_saved_pc(p); -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif + start_backtrace(&frame, thread_saved_fp(p), thread_saved_pc(p)); + do { if (unwind_frame(p, &frame)) goto out; diff --git a/arch/arm64/kernel/return_address.c b/arch/arm64/kernel/return_address.c index b21cba90f82d..c4ae647d2306 100644 --- a/arch/arm64/kernel/return_address.c +++ b/arch/arm64/kernel/return_address.c @@ -38,12 +38,9 @@ void *return_address(unsigned int level) data.level = level + 2; data.addr = NULL; - frame.fp = (unsigned long)__builtin_frame_address(0); - frame.pc = (unsigned long)return_address; /* dummy */ -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif - + start_backtrace(&frame, + (unsigned long)__builtin_frame_address(0), + (unsigned long)return_address); walk_stackframe(current, &frame, save_return_addr, &data); if (!data.level) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 62d395151abe..2b160ae594eb 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -29,9 +29,18 @@ * ldp x29, x30, [sp] * add sp, sp, #0x10 */ + +/* + * Unwind from one frame record (A) to the next frame record (B). + * + * We terminate early if the location of B indicates a malformed chain of frame + * records (e.g. a cycle), determined based on the location and fp value of A + * and the location (but not the fp value) of B. + */ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) { unsigned long fp = frame->fp; + struct stack_info info; if (fp & 0xf) return -EINVAL; @@ -39,11 +48,40 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) if (!tsk) tsk = current; - if (!on_accessible_stack(tsk, fp, NULL)) + if (!on_accessible_stack(tsk, fp, &info)) + return -EINVAL; + + if (test_bit(info.type, frame->stacks_done)) return -EINVAL; + /* + * As stacks grow downward, any valid record on the same stack must be + * at a strictly higher address than the prior record. + * + * Stacks can nest in several valid orders, e.g. + * + * TASK -> IRQ -> OVERFLOW -> SDEI_NORMAL + * TASK -> SDEI_NORMAL -> SDEI_CRITICAL -> OVERFLOW + * + * ... but the nesting itself is strict. Once we transition from one + * stack to another, it's never valid to unwind back to that first + * stack. + */ + if (info.type == frame->prev_type) { + if (fp <= frame->prev_fp) + return -EINVAL; + } else { + set_bit(frame->prev_type, frame->stacks_done); + } + + /* + * Record this frame record's values and location. The prev_fp and + * prev_type are only meaningful to the next unwind_frame() invocation. + */ frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp)); frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 8)); + frame->prev_fp = fp; + frame->prev_type = info.type; #ifdef CONFIG_FUNCTION_GRAPH_TRACER if (tsk->ret_stack && @@ -122,12 +160,7 @@ void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) data.skip = trace->skip; data.no_sched_functions = 0; - frame.fp = regs->regs[29]; - frame.pc = regs->pc; -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif - + start_backtrace(&frame, regs->regs[29], regs->pc); walk_stackframe(current, &frame, save_trace, &data); } EXPORT_SYMBOL_GPL(save_stack_trace_regs); @@ -146,17 +179,15 @@ static noinline void __save_stack_trace(struct task_struct *tsk, data.no_sched_functions = nosched; if (tsk != current) { - frame.fp = thread_saved_fp(tsk); - frame.pc = thread_saved_pc(tsk); + start_backtrace(&frame, thread_saved_fp(tsk), + thread_saved_pc(tsk)); } else { /* We don't want this function nor the caller */ data.skip += 2; - frame.fp = (unsigned long)__builtin_frame_address(0); - frame.pc = (unsigned long)__save_stack_trace; + start_backtrace(&frame, + (unsigned long)__builtin_frame_address(0), + (unsigned long)__save_stack_trace); } -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif walk_stackframe(tsk, &frame, save_trace, &data); diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c index 9f25aedeac9d..0b2946414dc9 100644 --- a/arch/arm64/kernel/time.c +++ b/arch/arm64/kernel/time.c @@ -38,11 +38,8 @@ unsigned long profile_pc(struct pt_regs *regs) if (!in_lock_functions(regs->pc)) return regs->pc; - frame.fp = regs->regs[29]; - frame.pc = regs->pc; -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif + start_backtrace(&frame, regs->regs[29], regs->pc); + do { int ret = unwind_frame(NULL, &frame); if (ret < 0) diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 969e1565152b..32893b3d9164 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -100,18 +100,17 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) return; if (tsk == current) { - frame.fp = (unsigned long)__builtin_frame_address(0); - frame.pc = (unsigned long)dump_backtrace; + start_backtrace(&frame, + (unsigned long)__builtin_frame_address(0), + (unsigned long)dump_backtrace); } else { /* * task blocked in __switch_to */ - frame.fp = thread_saved_fp(tsk); - frame.pc = thread_saved_pc(tsk); + start_backtrace(&frame, + thread_saved_fp(tsk), + thread_saved_pc(tsk)); } -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - frame.graph = 0; -#endif printk("Call trace:\n"); do { diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 4ab863045188..dd2514bb1511 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -32,10 +32,10 @@ UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y KCOV_INSTRUMENT := n -ifeq ($(c-gettimeofday-y),) CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -else -CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -include $(c-gettimeofday-y) + +ifneq ($(c-gettimeofday-y),) + CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y) endif # Clang versions less than 8 do not support -mcmodel=tiny @@ -57,8 +57,7 @@ $(obj)/vdso.o : $(obj)/vdso.so # Link rule for the .so file, .lds has to be first $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE - $(call if_changed,ld) - $(call if_changed,vdso_check) + $(call if_changed,vdsold_and_vdso_check) # Strip rule for the .so file $(obj)/%.so: OBJCOPYFLAGS := -S @@ -74,8 +73,8 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE $(call if_changed,vdsosym) # Actual build commands -quiet_cmd_vdsocc = VDSOCC $@ - cmd_vdsocc = $(CC) $(a_flags) $(c_flags) -c -o $@ $< +quiet_cmd_vdsold_and_vdso_check = LD $@ + cmd_vdsold_and_vdso_check = $(cmd_ld); $(cmd_vdso_check) # Install commands for the unstripped file quiet_cmd_vdso_install = INSTALL $@ diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 60a4c6239712..1fba0776ed40 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -144,8 +144,7 @@ $(obj)/vdso.so.dbg: $(obj)/vdso.so.raw $(obj)/$(munge) FORCE # Link rule for the .so file, .lds has to be first $(obj)/vdso.so.raw: $(src)/vdso.lds $(obj-vdso) FORCE - $(call if_changed,vdsold) - $(call if_changed,vdso_check) + $(call if_changed,vdsold_and_vdso_check) # Compilation rules for the vDSO sources $(c-obj-vdso): %.o: %.c FORCE @@ -156,14 +155,17 @@ $(asm-obj-vdso): %.o: %.S FORCE $(call if_changed_dep,vdsoas) # Actual build commands -quiet_cmd_vdsold = VDSOL $@ +quiet_cmd_vdsold_and_vdso_check = LD32 $@ + cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check) + +quiet_cmd_vdsold = LD32 $@ cmd_vdsold = $(COMPATCC) -Wp,-MD,$(depfile) $(VDSO_LDFLAGS) \ -Wl,-T $(filter %.lds,$^) $(filter %.o,$^) -o $@ -quiet_cmd_vdsocc = VDSOC $@ +quiet_cmd_vdsocc = CC32 $@ cmd_vdsocc = $(COMPATCC) -Wp,-MD,$(depfile) $(VDSO_CFLAGS) -c -o $@ $< -quiet_cmd_vdsocc_gettimeofday = VDSOC_GTD $@ +quiet_cmd_vdsocc_gettimeofday = CC32 $@ cmd_vdsocc_gettimeofday = $(COMPATCC) -Wp,-MD,$(depfile) $(VDSO_CFLAGS) $(VDSO_CFLAGS_gettimeofday_o) -c -o $@ $< -quiet_cmd_vdsoas = VDSOA $@ +quiet_cmd_vdsoas = AS32 $@ cmd_vdsoas = $(COMPATCC) -Wp,-MD,$(depfile) $(VDSO_AFLAGS) -c -o $@ $< quiet_cmd_vdsomunge = MUNGE $@ diff --git a/arch/csky/include/uapi/asm/byteorder.h b/arch/csky/include/uapi/asm/byteorder.h index b079ec715cdf..d150cd664873 100644 --- a/arch/csky/include/uapi/asm/byteorder.h +++ b/arch/csky/include/uapi/asm/byteorder.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #ifndef __ASM_CSKY_BYTEORDER_H diff --git a/arch/csky/include/uapi/asm/cachectl.h b/arch/csky/include/uapi/asm/cachectl.h index ddf2f39aa925..ed7fad1ea20d 100644 --- a/arch/csky/include/uapi/asm/cachectl.h +++ b/arch/csky/include/uapi/asm/cachectl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_CSKY_CACHECTL_H #define __ASM_CSKY_CACHECTL_H diff --git a/arch/csky/include/uapi/asm/perf_regs.h b/arch/csky/include/uapi/asm/perf_regs.h index ee323d818592..49d4e147a559 100644 --- a/arch/csky/include/uapi/asm/perf_regs.h +++ b/arch/csky/include/uapi/asm/perf_regs.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. #ifndef _ASM_CSKY_PERF_REGS_H diff --git a/arch/csky/include/uapi/asm/ptrace.h b/arch/csky/include/uapi/asm/ptrace.h index 4e248d5b86ef..66b2268e324e 100644 --- a/arch/csky/include/uapi/asm/ptrace.h +++ b/arch/csky/include/uapi/asm/ptrace.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #ifndef _CSKY_PTRACE_H diff --git a/arch/csky/include/uapi/asm/sigcontext.h b/arch/csky/include/uapi/asm/sigcontext.h index e81e7ff11e36..670c020f2cb8 100644 --- a/arch/csky/include/uapi/asm/sigcontext.h +++ b/arch/csky/include/uapi/asm/sigcontext.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #ifndef __ASM_CSKY_SIGCONTEXT_H diff --git a/arch/csky/include/uapi/asm/unistd.h b/arch/csky/include/uapi/asm/unistd.h index ec60e49cea66..211c983c7282 100644 --- a/arch/csky/include/uapi/asm/unistd.h +++ b/arch/csky/include/uapi/asm/unistd.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #define __ARCH_WANT_SYS_CLONE diff --git a/arch/nds32/include/uapi/asm/auxvec.h b/arch/nds32/include/uapi/asm/auxvec.h index b5d58ea8decb..bc0b92ab8c15 100644 --- a/arch/nds32/include/uapi/asm/auxvec.h +++ b/arch/nds32/include/uapi/asm/auxvec.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef __ASM_AUXVEC_H diff --git a/arch/nds32/include/uapi/asm/byteorder.h b/arch/nds32/include/uapi/asm/byteorder.h index 511e653c709d..c264ef12c49c 100644 --- a/arch/nds32/include/uapi/asm/byteorder.h +++ b/arch/nds32/include/uapi/asm/byteorder.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef __NDS32_BYTEORDER_H__ diff --git a/arch/nds32/include/uapi/asm/cachectl.h b/arch/nds32/include/uapi/asm/cachectl.h index 73793662815c..31b9b439d819 100644 --- a/arch/nds32/include/uapi/asm/cachectl.h +++ b/arch/nds32/include/uapi/asm/cachectl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 1994, 1995, 1996 by Ralf Baechle // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef _ASM_CACHECTL diff --git a/arch/nds32/include/uapi/asm/fp_udfiex_crtl.h b/arch/nds32/include/uapi/asm/fp_udfiex_crtl.h index d54a5d6c6538..f17396db16ec 100644 --- a/arch/nds32/include/uapi/asm/fp_udfiex_crtl.h +++ b/arch/nds32/include/uapi/asm/fp_udfiex_crtl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* Copyright (C) 2005-2019 Andes Technology Corporation */ #ifndef _FP_UDF_IEX_CRTL_H #define _FP_UDF_IEX_CRTL_H diff --git a/arch/nds32/include/uapi/asm/param.h b/arch/nds32/include/uapi/asm/param.h index 2977534a6bd3..48d00328d328 100644 --- a/arch/nds32/include/uapi/asm/param.h +++ b/arch/nds32/include/uapi/asm/param.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef __ASM_NDS32_PARAM_H diff --git a/arch/nds32/include/uapi/asm/ptrace.h b/arch/nds32/include/uapi/asm/ptrace.h index 1a6e01c00e6f..d76217c7c010 100644 --- a/arch/nds32/include/uapi/asm/ptrace.h +++ b/arch/nds32/include/uapi/asm/ptrace.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef __UAPI_ASM_NDS32_PTRACE_H diff --git a/arch/nds32/include/uapi/asm/sigcontext.h b/arch/nds32/include/uapi/asm/sigcontext.h index dc89af7ddcc3..6c1e6648878f 100644 --- a/arch/nds32/include/uapi/asm/sigcontext.h +++ b/arch/nds32/include/uapi/asm/sigcontext.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #ifndef _ASMNDS32_SIGCONTEXT_H diff --git a/arch/nds32/include/uapi/asm/unistd.h b/arch/nds32/include/uapi/asm/unistd.h index a0b2f7b9c0f2..410795e280fe 100644 --- a/arch/nds32/include/uapi/asm/unistd.h +++ b/arch/nds32/include/uapi/asm/unistd.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ // Copyright (C) 2005-2017 Andes Technology Corporation #define __ARCH_WANT_STAT64 diff --git a/arch/parisc/include/asm/kprobes.h b/arch/parisc/include/asm/kprobes.h index e09cf2deeafe..904034da4974 100644 --- a/arch/parisc/include/asm/kprobes.h +++ b/arch/parisc/include/asm/kprobes.h @@ -50,6 +50,10 @@ struct kprobe_ctlblk { int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs); int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs); +static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) +{ + return 0; +} #endif /* CONFIG_KPROBES */ #endif /* _PARISC_KPROBES_H */ diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index ba67893a1d72..df46b0e5a915 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -63,7 +63,7 @@ ENTRY_CFI(flush_tlb_all_local) /* Flush Instruction Tlb */ - LDREG ITLB_SID_BASE(%r1), %r20 +88: LDREG ITLB_SID_BASE(%r1), %r20 LDREG ITLB_SID_STRIDE(%r1), %r21 LDREG ITLB_SID_COUNT(%r1), %r22 LDREG ITLB_OFF_BASE(%r1), %arg0 @@ -103,6 +103,7 @@ fitonemiddle: /* Loop if LOOP = 1 */ add %r21, %r20, %r20 /* increment space */ fitdone: + ALTERNATIVE(88b, fitdone, ALT_COND_NO_SPLIT_TLB, INSN_NOP) /* Flush Data Tlb */ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d8dcd8820369..77f6ebf97113 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -121,6 +121,7 @@ config PPC select ARCH_32BIT_OFF_T if PPC32 select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEVMEM_IS_ALLOWED + select ARCH_HAS_DMA_MMAP_PGPROT select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 463c63a9fcf1..11112023e327 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -302,9 +302,14 @@ #define H_SCM_UNBIND_MEM 0x3F0 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8 -#define H_SCM_MEM_QUERY 0x3FC -#define H_SCM_BLOCK_CLEAR 0x400 -#define MAX_HCALL_OPCODE H_SCM_BLOCK_CLEAR +#define H_SCM_UNBIND_ALL 0x3FC +#define H_SCM_HEALTH 0x400 +#define H_SCM_PERFORMANCE_STATS 0x418 +#define MAX_HCALL_OPCODE H_SCM_PERFORMANCE_STATS + +/* Scope args for H_SCM_UNBIND_ALL */ +#define H_UNBIND_SCOPE_ALL (0x1) +#define H_UNBIND_SCOPE_DRC (0x2) /* H_VIOCTL functions */ #define H_GET_VIOA_DUMP_SIZE 0x01 diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index e6e5f59aaa97..6fb5fb4779e0 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -232,11 +232,25 @@ struct revmap_entry { }; /* - * We use the top bit of each memslot->arch.rmap entry as a lock bit, - * and bit 32 as a present flag. The bottom 32 bits are the - * index in the guest HPT of a HPTE that points to the page. + * The rmap array of size number of guest pages is allocated for each memslot. + * This array is used to store usage specific information about the guest page. + * Below are the encodings of the various possible usage types. */ -#define KVMPPC_RMAP_LOCK_BIT 63 +/* Free bits which can be used to define a new usage */ +#define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000 +#define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */ +#define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */ + +/* + * rmap usage definition for a hash page table (hpt) guest: + * 0x0000080000000000 Lock bit + * 0x0000018000000000 RC bits + * 0x0000000100000000 Present bit + * 0x00000000ffffffff HPT index bits + * The bottom 32 bits are the index in the guest HPT of a HPTE that points to + * the page. + */ +#define KVMPPC_RMAP_LOCK_BIT 43 #define KVMPPC_RMAP_RC_SHIFT 32 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) #define KVMPPC_RMAP_PRESENT 0x100000000ul diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 2484e6a8f5ca..8e8514efb124 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -598,6 +598,7 @@ extern int kvmppc_xive_native_get_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); extern int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); +extern bool kvmppc_xive_native_supported(void); #else static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server, diff --git a/arch/powerpc/include/asm/pmc.h b/arch/powerpc/include/asm/pmc.h index dc9a1ca70edf..c6bbe9778d3c 100644 --- a/arch/powerpc/include/asm/pmc.h +++ b/arch/powerpc/include/asm/pmc.h @@ -27,11 +27,10 @@ static inline void ppc_set_pmu_inuse(int inuse) #ifdef CONFIG_PPC_PSERIES get_lppaca()->pmcregs_in_use = inuse; #endif - } else { + } #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE - get_paca()->pmcregs_in_use = inuse; + get_paca()->pmcregs_in_use = inuse; #endif - } #endif } diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index e4016985764e..818989e11678 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -46,7 +46,15 @@ struct xive_irq_data { /* Setup/used by frontend */ int target; + /* + * saved_p means that there is a queue entry for this interrupt + * in some CPU's queue (not including guest vcpu queues), even + * if P is not set in the source ESB. + * stale_p means that there is no queue entry for this interrupt + * in some CPU's queue, even if P is set in the source ESB. + */ bool saved_p; + bool stale_p; }; #define XIVE_IRQ_FLAG_STORE_EOI 0x01 #define XIVE_IRQ_FLAG_LSI 0x02 @@ -127,6 +135,7 @@ extern int xive_native_get_queue_state(u32 vp_id, uint32_t prio, u32 *qtoggle, extern int xive_native_set_queue_state(u32 vp_id, uint32_t prio, u32 qtoggle, u32 qindex); extern int xive_native_get_vp_state(u32 vp_id, u64 *out_state); +extern bool xive_native_has_queue_state_support(void); #else diff --git a/arch/powerpc/include/uapi/asm/bpf_perf_event.h b/arch/powerpc/include/uapi/asm/bpf_perf_event.h index b551b741653d..5e1e648aeec4 100644 --- a/arch/powerpc/include/uapi/asm/bpf_perf_event.h +++ b/arch/powerpc/include/uapi/asm/bpf_perf_event.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ #define _UAPI__ASM_BPF_PERF_EVENT_H__ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 56dfa7a2a6f2..ea0c69236789 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -49,7 +49,8 @@ obj-y := cputable.o ptrace.o syscalls.o \ signal.o sysfs.o cacheinfo.o time.o \ prom.o traps.o setup-common.o \ udbg.o misc.o io.o misc_$(BITS).o \ - of_platform.o prom_parse.o + of_platform.o prom_parse.o \ + dma-common.o obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ signal_64.o ptrace32.o \ paca.o nvram_64.o firmware.o diff --git a/arch/powerpc/kernel/dma-common.c b/arch/powerpc/kernel/dma-common.c new file mode 100644 index 000000000000..dc7ef6b17b69 --- /dev/null +++ b/arch/powerpc/kernel/dma-common.c @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Contains common dma routines for all powerpc platforms. + * + * Copyright (C) 2019 Shawn Anastasio. + */ + +#include <linux/mm.h> +#include <linux/dma-noncoherent.h> + +pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot, + unsigned long attrs) +{ + if (!dev_is_dma_coherent(dev)) + return pgprot_noncached(prot); + return prot; +} diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index eee5bef736c8..6ba3cc2ef8ab 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1531,7 +1531,7 @@ EXC_COMMON(trap_0b_common, 0xb00, unknown_exception) * * Call convention: * - * syscall register convention is in Documentation/powerpc/syscall64-abi.txt + * syscall register convention is in Documentation/powerpc/syscall64-abi.rst * * For hypercalls, the register convention is as follows: * r0 volatile diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index f50b708d6d77..98600b276f76 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -1198,6 +1198,9 @@ SYSCALL_DEFINE0(rt_sigreturn) goto bad; if (MSR_TM_ACTIVE(msr_hi<<32)) { + /* Trying to start TM on non TM system */ + if (!cpu_has_feature(CPU_FTR_TM)) + goto bad; /* We only recheckpoint on return if we're * transaction. */ diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 2f80e270c7b0..117515564ec7 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -771,6 +771,11 @@ SYSCALL_DEFINE0(rt_sigreturn) if (MSR_TM_ACTIVE(msr)) { /* We recheckpoint on return. */ struct ucontext __user *uc_transact; + + /* Trying to start TM on non TM system */ + if (!cpu_has_feature(CPU_FTR_TM)) + goto badframe; + if (__get_user(uc_transact, &uc->uc_link)) goto badframe; if (restore_tm_sigcontexts(current, &uc->uc_mcontext, diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 9524d92bc45d..d7fcdfa7fee4 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -1083,9 +1083,11 @@ static int kvmppc_book3s_init(void) if (xics_on_xive()) { kvmppc_xive_init_module(); kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS); - kvmppc_xive_native_init_module(); - kvm_register_device_ops(&kvm_xive_native_ops, - KVM_DEV_TYPE_XIVE); + if (kvmppc_xive_native_supported()) { + kvmppc_xive_native_init_module(); + kvm_register_device_ops(&kvm_xive_native_ops, + KVM_DEV_TYPE_XIVE); + } } else #endif kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS); diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c index 653936177857..18f244aad7aa 100644 --- a/arch/powerpc/kvm/book3s_32_mmu.c +++ b/arch/powerpc/kvm/book3s_32_mmu.c @@ -239,6 +239,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr, case 2: case 6: pte->may_write = true; + /* fall through */ case 3: case 5: case 7: diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index ec1804f822af..f8975c620f41 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1678,7 +1678,14 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, *val = get_reg_val(id, vcpu->arch.pspb); break; case KVM_REG_PPC_DPDES: - *val = get_reg_val(id, vcpu->arch.vcore->dpdes); + /* + * On POWER9, where we are emulating msgsndp etc., + * we return 1 bit for each vcpu, which can come from + * either vcore->dpdes or doorbell_request. + * On POWER8, doorbell_request is 0. + */ + *val = get_reg_val(id, vcpu->arch.vcore->dpdes | + vcpu->arch.doorbell_request); break; case KVM_REG_PPC_VTB: *val = get_reg_val(id, vcpu->arch.vcore->vtb); @@ -2860,7 +2867,7 @@ static void collect_piggybacks(struct core_info *cip, int target_threads) if (!spin_trylock(&pvc->lock)) continue; prepare_threads(pvc); - if (!pvc->n_runnable) { + if (!pvc->n_runnable || !pvc->kvm->arch.mmu_ready) { list_del_init(&pvc->preempt_list); if (pvc->runner == NULL) { pvc->vcore_state = VCORE_INACTIVE; @@ -2881,15 +2888,20 @@ static void collect_piggybacks(struct core_info *cip, int target_threads) spin_unlock(&lp->lock); } -static bool recheck_signals(struct core_info *cip) +static bool recheck_signals_and_mmu(struct core_info *cip) { int sub, i; struct kvm_vcpu *vcpu; + struct kvmppc_vcore *vc; - for (sub = 0; sub < cip->n_subcores; ++sub) - for_each_runnable_thread(i, vcpu, cip->vc[sub]) + for (sub = 0; sub < cip->n_subcores; ++sub) { + vc = cip->vc[sub]; + if (!vc->kvm->arch.mmu_ready) + return true; + for_each_runnable_thread(i, vcpu, vc) if (signal_pending(vcpu->arch.run_task)) return true; + } return false; } @@ -3119,7 +3131,7 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) local_irq_disable(); hard_irq_disable(); if (lazy_irq_pending() || need_resched() || - recheck_signals(&core_info) || !vc->kvm->arch.mmu_ready) { + recheck_signals_and_mmu(&core_info)) { local_irq_enable(); vc->vcore_state = VCORE_INACTIVE; /* Unlock all except the primary vcore */ @@ -3569,9 +3581,18 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, mtspr(SPRN_DEC, vcpu->arch.dec_expires - mftb()); if (kvmhv_on_pseries()) { + /* + * We need to save and restore the guest visible part of the + * psscr (i.e. using SPRN_PSSCR_PR) since the hypervisor + * doesn't do this for us. Note only required if pseries since + * this is done in kvmhv_load_hv_regs_and_go() below otherwise. + */ + unsigned long host_psscr; /* call our hypervisor to load up HV regs and go */ struct hv_guest_state hvregs; + host_psscr = mfspr(SPRN_PSSCR_PR); + mtspr(SPRN_PSSCR_PR, vcpu->arch.psscr); kvmhv_save_hv_regs(vcpu, &hvregs); hvregs.lpcr = lpcr; vcpu->arch.regs.msr = vcpu->arch.shregs.msr; @@ -3590,6 +3611,8 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, vcpu->arch.shregs.msr = vcpu->arch.regs.msr; vcpu->arch.shregs.dar = mfspr(SPRN_DAR); vcpu->arch.shregs.dsisr = mfspr(SPRN_DSISR); + vcpu->arch.psscr = mfspr(SPRN_PSSCR_PR); + mtspr(SPRN_PSSCR_PR, host_psscr); /* H_CEDE has to be handled now, not later */ if (trap == BOOK3S_INTERRUPT_SYSCALL && !vcpu->arch.nested && @@ -3654,6 +3677,8 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, vcpu->arch.vpa.dirty = 1; save_pmu = lp->pmcregs_in_use; } + /* Must save pmu if this guest is capable of running nested guests */ + save_pmu |= nesting_enabled(vcpu->kvm); kvmhv_save_guest_pmu(vcpu, save_pmu); diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 63e0ce91e29d..7186c65c61c9 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -99,7 +99,7 @@ void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev, } else { rev->forw = rev->back = pte_index; *rmap = (*rmap & ~KVMPPC_RMAP_INDEX) | - pte_index | KVMPPC_RMAP_PRESENT; + pte_index | KVMPPC_RMAP_PRESENT | KVMPPC_RMAP_HPT; } unlock_rmap(rmap); } diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 337e64468d78..07181d0dfcb7 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -942,6 +942,8 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) ld r11, VCPU_XIVE_SAVED_STATE(r4) li r9, TM_QW1_OS lwz r8, VCPU_XIVE_CAM_WORD(r4) + cmpwi r8, 0 + beq no_xive li r7, TM_QW1_OS + TM_WORD2 mfmsr r0 andi. r0, r0, MSR_DR /* in real mode? */ @@ -2831,29 +2833,39 @@ kvm_cede_prodded: kvm_cede_exit: ld r9, HSTATE_KVM_VCPU(r13) #ifdef CONFIG_KVM_XICS - /* Abort if we still have a pending escalation */ + /* are we using XIVE with single escalation? */ + ld r10, VCPU_XIVE_ESC_VADDR(r9) + cmpdi r10, 0 + beq 3f + li r6, XIVE_ESB_SET_PQ_00 + /* + * If we still have a pending escalation, abort the cede, + * and we must set PQ to 10 rather than 00 so that we don't + * potentially end up with two entries for the escalation + * interrupt in the XIVE interrupt queue. In that case + * we also don't want to set xive_esc_on to 1 here in + * case we race with xive_esc_irq(). + */ lbz r5, VCPU_XIVE_ESC_ON(r9) cmpwi r5, 0 - beq 1f + beq 4f li r0, 0 stb r0, VCPU_CEDED(r9) -1: /* Enable XIVE escalation */ - li r5, XIVE_ESB_SET_PQ_00 + li r6, XIVE_ESB_SET_PQ_10 + b 5f +4: li r0, 1 + stb r0, VCPU_XIVE_ESC_ON(r9) + /* make sure store to xive_esc_on is seen before xive_esc_irq runs */ + sync +5: /* Enable XIVE escalation */ mfmsr r0 andi. r0, r0, MSR_DR /* in real mode? */ beq 1f - ld r10, VCPU_XIVE_ESC_VADDR(r9) - cmpdi r10, 0 - beq 3f - ldx r0, r10, r5 + ldx r0, r10, r6 b 2f 1: ld r10, VCPU_XIVE_ESC_RADDR(r9) - cmpdi r10, 0 - beq 3f - ldcix r0, r10, r5 + ldcix r0, r10, r6 2: sync - li r0, 1 - stb r0, VCPU_XIVE_ESC_ON(r9) #endif /* CONFIG_KVM_XICS */ 3: b guest_exit_cont diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 6ca0d7376a9f..591bfb4bfd0f 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -67,8 +67,14 @@ void kvmppc_xive_push_vcpu(struct kvm_vcpu *vcpu) void __iomem *tima = local_paca->kvm_hstate.xive_tima_virt; u64 pq; - if (!tima) + /* + * Nothing to do if the platform doesn't have a XIVE + * or this vCPU doesn't have its own XIVE context + * (e.g. because it's not using an in-kernel interrupt controller). + */ + if (!tima || !vcpu->arch.xive_cam_word) return; + eieio(); __raw_writeq(vcpu->arch.xive_saved_state.w01, tima + TM_QW1_OS); __raw_writel(vcpu->arch.xive_cam_word, tima + TM_QW1_OS + TM_WORD2); @@ -160,6 +166,9 @@ static irqreturn_t xive_esc_irq(int irq, void *data) */ vcpu->arch.xive_esc_on = false; + /* This orders xive_esc_on = false vs. subsequent stale_p = true */ + smp_wmb(); /* goes with smp_mb() in cleanup_single_escalation */ + return IRQ_HANDLED; } @@ -1113,6 +1122,31 @@ void kvmppc_xive_disable_vcpu_interrupts(struct kvm_vcpu *vcpu) vcpu->arch.xive_esc_raddr = 0; } +/* + * In single escalation mode, the escalation interrupt is marked so + * that EOI doesn't re-enable it, but just sets the stale_p flag to + * indicate that the P bit has already been dealt with. However, the + * assembly code that enters the guest sets PQ to 00 without clearing + * stale_p (because it has no easy way to address it). Hence we have + * to adjust stale_p before shutting down the interrupt. + */ +void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, + struct kvmppc_xive_vcpu *xc, int irq) +{ + struct irq_data *d = irq_get_irq_data(irq); + struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); + + /* + * This slightly odd sequence gives the right result + * (i.e. stale_p set if xive_esc_on is false) even if + * we race with xive_esc_irq() and xive_irq_eoi(). + */ + xd->stale_p = false; + smp_mb(); /* paired with smb_wmb in xive_esc_irq */ + if (!vcpu->arch.xive_esc_on) + xd->stale_p = true; +} + void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) { struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu; @@ -1134,20 +1168,28 @@ void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) /* Mask the VP IPI */ xive_vm_esb_load(&xc->vp_ipi_data, XIVE_ESB_SET_PQ_01); - /* Disable the VP */ - xive_native_disable_vp(xc->vp_id); - - /* Free the queues & associated interrupts */ + /* Free escalations */ for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { - struct xive_q *q = &xc->queues[i]; - - /* Free the escalation irq */ if (xc->esc_virq[i]) { + if (xc->xive->single_escalation) + xive_cleanup_single_escalation(vcpu, xc, + xc->esc_virq[i]); free_irq(xc->esc_virq[i], vcpu); irq_dispose_mapping(xc->esc_virq[i]); kfree(xc->esc_virq_names[i]); } - /* Free the queue */ + } + + /* Disable the VP */ + xive_native_disable_vp(xc->vp_id); + + /* Clear the cam word so guest entry won't try to push context */ + vcpu->arch.xive_cam_word = 0; + + /* Free the queues */ + for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { + struct xive_q *q = &xc->queues[i]; + xive_native_disable_queue(xc->vp_id, q, i); if (q->qpage) { free_pages((unsigned long)q->qpage, @@ -1986,10 +2028,8 @@ static int kvmppc_xive_create(struct kvm_device *dev, u32 type) xive->single_escalation = xive_native_has_single_escalation(); - if (ret) { - kfree(xive); + if (ret) return ret; - } return 0; } diff --git a/arch/powerpc/kvm/book3s_xive.h b/arch/powerpc/kvm/book3s_xive.h index 50494d0ee375..955b820ffd6d 100644 --- a/arch/powerpc/kvm/book3s_xive.h +++ b/arch/powerpc/kvm/book3s_xive.h @@ -282,6 +282,8 @@ int kvmppc_xive_select_target(struct kvm *kvm, u32 *server, u8 prio); int kvmppc_xive_attach_escalation(struct kvm_vcpu *vcpu, u8 prio, bool single_escalation); struct kvmppc_xive *kvmppc_xive_get_device(struct kvm *kvm, u32 type); +void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, + struct kvmppc_xive_vcpu *xc, int irq); #endif /* CONFIG_KVM_XICS */ #endif /* _KVM_PPC_BOOK3S_XICS_H */ diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index 5596c8ec221a..248c1ea9e788 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -67,20 +67,28 @@ void kvmppc_xive_native_cleanup_vcpu(struct kvm_vcpu *vcpu) xc->valid = false; kvmppc_xive_disable_vcpu_interrupts(vcpu); - /* Disable the VP */ - xive_native_disable_vp(xc->vp_id); - - /* Free the queues & associated interrupts */ + /* Free escalations */ for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { /* Free the escalation irq */ if (xc->esc_virq[i]) { + if (xc->xive->single_escalation) + xive_cleanup_single_escalation(vcpu, xc, + xc->esc_virq[i]); free_irq(xc->esc_virq[i], vcpu); irq_dispose_mapping(xc->esc_virq[i]); kfree(xc->esc_virq_names[i]); xc->esc_virq[i] = 0; } + } + + /* Disable the VP */ + xive_native_disable_vp(xc->vp_id); - /* Free the queue */ + /* Clear the cam word so guest entry won't try to push context */ + vcpu->arch.xive_cam_word = 0; + + /* Free the queues */ + for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { kvmppc_xive_native_cleanup_queue(vcpu, i); } @@ -1090,9 +1098,9 @@ static int kvmppc_xive_native_create(struct kvm_device *dev, u32 type) xive->ops = &kvmppc_xive_native_ops; if (ret) - kfree(xive); + return ret; - return ret; + return 0; } /* @@ -1171,6 +1179,11 @@ int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val) return 0; } +bool kvmppc_xive_native_supported(void) +{ + return xive_native_has_queue_state_support(); +} + static int xive_native_debug_show(struct seq_file *m, void *private) { struct kvmppc_xive *xive = m->private; diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index bb4d09c1ad56..6fca38ca791f 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -271,6 +271,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) */ if (inst == KVMPPC_INST_SW_BREAKPOINT) { run->exit_reason = KVM_EXIT_DEBUG; + run->debug.arch.status = 0; run->debug.arch.address = kvmppc_get_pc(vcpu); emulated = EMULATE_EXIT_USER; advance = 0; diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c index 9208c82ed08d..2e496eb86e94 100644 --- a/arch/powerpc/kvm/emulate_loadstore.c +++ b/arch/powerpc/kvm/emulate_loadstore.c @@ -89,12 +89,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu) rs = get_rs(inst); rt = get_rt(inst); - /* - * if mmio_vsx_tx_sx_enabled == 0, copy data between - * VSR[0..31] and memory - * if mmio_vsx_tx_sx_enabled == 1, copy data between - * VSR[32..63] and memory - */ vcpu->arch.mmio_vsx_copy_nums = 0; vcpu->arch.mmio_vsx_offset = 0; vcpu->arch.mmio_copy_type = KVMPPC_VSX_COPY_NONE; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 3e566c2e6066..3a77bb643452 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -561,7 +561,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) * a POWER9 processor) and the PowerNV platform, as * nested is not yet supported. */ - r = xive_enabled() && !!cpu_has_feature(CPU_FTR_HVMODE); + r = xive_enabled() && !!cpu_has_feature(CPU_FTR_HVMODE) && + kvmppc_xive_native_supported(); break; #endif diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 9a5963e07a82..b8ad14bb1170 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -1899,11 +1899,20 @@ void hash__setup_initial_memory_limit(phys_addr_t first_memblock_base, * * For guests on platforms before POWER9, we clamp the it limit to 1G * to avoid some funky things such as RTAS bugs etc... + * + * On POWER9 we limit to 1TB in case the host erroneously told us that + * the RMA was >1TB. Effective address bits 0:23 are treated as zero + * (meaning the access is aliased to zero i.e. addr = addr % 1TB) + * for virtual real mode addressing and so it doesn't make sense to + * have an area larger than 1TB as it can't be addressed. */ if (!early_cpu_has_feature(CPU_FTR_HVMODE)) { ppc64_rma_size = first_memblock_size; if (!early_cpu_has_feature(CPU_FTR_ARCH_300)) ppc64_rma_size = min_t(u64, ppc64_rma_size, 0x40000000); + else + ppc64_rma_size = min_t(u64, ppc64_rma_size, + 1UL << SID_SHIFT_1T); /* Finally limit subsequent allocations */ memblock_set_current_limit(ppc64_rma_size); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 9259337d7374..9191a66b3bc5 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -239,7 +239,7 @@ void __init paging_init(void) #ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] = min(max_low_pfn, - ((1UL << ARCH_ZONE_DMA_BITS) - 1) >> PAGE_SHIFT); + 1UL << (ARCH_ZONE_DMA_BITS - PAGE_SHIFT)); #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index c8ec670ee924..2c07908359b2 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -11,6 +11,7 @@ #include <linux/sched.h> #include <linux/libnvdimm.h> #include <linux/platform_device.h> +#include <linux/delay.h> #include <asm/plpar_wrappers.h> @@ -43,8 +44,9 @@ struct papr_scm_priv { static int drc_pmem_bind(struct papr_scm_priv *p) { unsigned long ret[PLPAR_HCALL_BUFSIZE]; - uint64_t rc, token; uint64_t saved = 0; + uint64_t token; + int64_t rc; /* * When the hypervisor cannot map all the requested memory in a single @@ -64,6 +66,10 @@ static int drc_pmem_bind(struct papr_scm_priv *p) } while (rc == H_BUSY); if (rc) { + /* H_OVERLAP needs a separate error path */ + if (rc == H_OVERLAP) + return -EBUSY; + dev_err(&p->pdev->dev, "bind err: %lld\n", rc); return -ENXIO; } @@ -78,22 +84,36 @@ static int drc_pmem_bind(struct papr_scm_priv *p) static int drc_pmem_unbind(struct papr_scm_priv *p) { unsigned long ret[PLPAR_HCALL_BUFSIZE]; - uint64_t rc, token; + uint64_t token = 0; + int64_t rc; - token = 0; + dev_dbg(&p->pdev->dev, "unbind drc %x\n", p->drc_index); - /* NB: unbind has the same retry requirements mentioned above */ + /* NB: unbind has the same retry requirements as drc_pmem_bind() */ do { - rc = plpar_hcall(H_SCM_UNBIND_MEM, ret, p->drc_index, - p->bound_addr, p->blocks, token); + + /* Unbind of all SCM resources associated with drcIndex */ + rc = plpar_hcall(H_SCM_UNBIND_ALL, ret, H_UNBIND_SCOPE_DRC, + p->drc_index, token); token = ret[0]; - cond_resched(); + + /* Check if we are stalled for some time */ + if (H_IS_LONG_BUSY(rc)) { + msleep(get_longbusy_msecs(rc)); + rc = H_BUSY; + } else if (rc == H_BUSY) { + cond_resched(); + } + } while (rc == H_BUSY); if (rc) dev_err(&p->pdev->dev, "unbind error: %lld\n", rc); + else + dev_dbg(&p->pdev->dev, "unbind drc %x complete\n", + p->drc_index); - return !!rc; + return rc == H_SUCCESS ? 0 : -ENXIO; } static int papr_scm_meta_get(struct papr_scm_priv *p, @@ -389,6 +409,14 @@ static int papr_scm_probe(struct platform_device *pdev) /* request the hypervisor to bind this region to somewhere in memory */ rc = drc_pmem_bind(p); + + /* If phyp says drc memory still bound then force unbound and retry */ + if (rc == -EBUSY) { + dev_warn(&pdev->dev, "Retrying bind after unbinding\n"); + drc_pmem_unbind(p); + rc = drc_pmem_bind(p); + } + if (rc) goto err; diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 082c7e1c20f0..be86fce1a84e 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -135,7 +135,7 @@ static u32 xive_read_eq(struct xive_q *q, bool just_peek) static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) { u32 irq = 0; - u8 prio; + u8 prio = 0; /* Find highest pending priority */ while (xc->pending_prio != 0) { @@ -148,8 +148,19 @@ static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) irq = xive_read_eq(&xc->queue[prio], just_peek); /* Found something ? That's it */ - if (irq) - break; + if (irq) { + if (just_peek || irq_to_desc(irq)) + break; + /* + * We should never get here; if we do then we must + * have failed to synchronize the interrupt properly + * when shutting it down. + */ + pr_crit("xive: got interrupt %d without descriptor, dropping\n", + irq); + WARN_ON(1); + continue; + } /* Clear pending bits */ xc->pending_prio &= ~(1 << prio); @@ -307,6 +318,7 @@ static void xive_do_queue_eoi(struct xive_cpu *xc) */ static void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) { + xd->stale_p = false; /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) xive_esb_write(xd, XIVE_ESB_STORE_EOI, 0); @@ -350,7 +362,7 @@ static void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) } } -/* irq_chip eoi callback */ +/* irq_chip eoi callback, called with irq descriptor lock held */ static void xive_irq_eoi(struct irq_data *d) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -366,6 +378,8 @@ static void xive_irq_eoi(struct irq_data *d) if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d) && !(xd->flags & XIVE_IRQ_NO_EOI)) xive_do_source_eoi(irqd_to_hwirq(d), xd); + else + xd->stale_p = true; /* * Clear saved_p to indicate that it's no longer occupying @@ -397,11 +411,16 @@ static void xive_do_source_set_mask(struct xive_irq_data *xd, */ if (mask) { val = xive_esb_read(xd, XIVE_ESB_SET_PQ_01); - xd->saved_p = !!(val & XIVE_ESB_VAL_P); - } else if (xd->saved_p) + if (!xd->stale_p && !!(val & XIVE_ESB_VAL_P)) + xd->saved_p = true; + xd->stale_p = false; + } else if (xd->saved_p) { xive_esb_read(xd, XIVE_ESB_SET_PQ_10); - else + xd->saved_p = false; + } else { xive_esb_read(xd, XIVE_ESB_SET_PQ_00); + xd->stale_p = false; + } } /* @@ -479,7 +498,7 @@ static int xive_find_target_in_mask(const struct cpumask *mask, * Now go through the entire mask until we find a valid * target. */ - for (;;) { + do { /* * We re-check online as the fallback case passes us * an untested affinity mask @@ -487,12 +506,11 @@ static int xive_find_target_in_mask(const struct cpumask *mask, if (cpu_online(cpu) && xive_try_pick_target(cpu)) return cpu; cpu = cpumask_next(cpu, mask); - if (cpu == first) - break; /* Wrap around */ if (cpu >= nr_cpu_ids) cpu = cpumask_first(mask); - } + } while (cpu != first); + return -1; } @@ -542,6 +560,8 @@ static unsigned int xive_irq_startup(struct irq_data *d) unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d); int target, rc; + xd->saved_p = false; + xd->stale_p = false; pr_devel("xive_irq_startup: irq %d [0x%x] data @%p\n", d->irq, hw_irq, d); @@ -588,6 +608,7 @@ static unsigned int xive_irq_startup(struct irq_data *d) return 0; } +/* called with irq descriptor lock held */ static void xive_irq_shutdown(struct irq_data *d) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -603,16 +624,6 @@ static void xive_irq_shutdown(struct irq_data *d) xive_do_source_set_mask(xd, true); /* - * The above may have set saved_p. We clear it otherwise it - * will prevent re-enabling later on. It is ok to forget the - * fact that the interrupt might be in a queue because we are - * accounting that already in xive_dec_target_count() and will - * be re-routing it to a new queue with proper accounting when - * it's started up again - */ - xd->saved_p = false; - - /* * Mask the interrupt in HW in the IVT/EAS and set the number * to be the "bad" IRQ number */ @@ -798,6 +809,10 @@ static int xive_irq_retrigger(struct irq_data *d) return 1; } +/* + * Caller holds the irq descriptor lock, so this won't be called + * concurrently with xive_get_irqchip_state on the same interrupt. + */ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -821,6 +836,10 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) /* Set it to PQ=10 state to prevent further sends */ pq = xive_esb_read(xd, XIVE_ESB_SET_PQ_10); + if (!xd->stale_p) { + xd->saved_p = !!(pq & XIVE_ESB_VAL_P); + xd->stale_p = !xd->saved_p; + } /* No target ? nothing to do */ if (xd->target == XIVE_INVALID_TARGET) { @@ -828,7 +847,7 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) * An untargetted interrupt should have been * also masked at the source */ - WARN_ON(pq & 2); + WARN_ON(xd->saved_p); return 0; } @@ -848,9 +867,8 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) * This saved_p is cleared by the host EOI, when we know * for sure the queue slot is no longer in use. */ - if (pq & 2) { - pq = xive_esb_read(xd, XIVE_ESB_SET_PQ_11); - xd->saved_p = true; + if (xd->saved_p) { + xive_esb_read(xd, XIVE_ESB_SET_PQ_11); /* * Sync the XIVE source HW to ensure the interrupt @@ -863,8 +881,7 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) */ if (xive_ops->sync_source) xive_ops->sync_source(hw_irq); - } else - xd->saved_p = false; + } } else { irqd_clr_forwarded_to_vcpu(d); @@ -915,6 +932,23 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) return 0; } +/* Called with irq descriptor lock held. */ +static int xive_get_irqchip_state(struct irq_data *data, + enum irqchip_irq_state which, bool *state) +{ + struct xive_irq_data *xd = irq_data_get_irq_handler_data(data); + + switch (which) { + case IRQCHIP_STATE_ACTIVE: + *state = !xd->stale_p && + (xd->saved_p || + !!(xive_esb_read(xd, XIVE_ESB_GET) & XIVE_ESB_VAL_P)); + return 0; + default: + return -EINVAL; + } +} + static struct irq_chip xive_irq_chip = { .name = "XIVE-IRQ", .irq_startup = xive_irq_startup, @@ -926,6 +960,7 @@ static struct irq_chip xive_irq_chip = { .irq_set_type = xive_irq_set_type, .irq_retrigger = xive_irq_retrigger, .irq_set_vcpu_affinity = xive_irq_set_vcpu_affinity, + .irq_get_irqchip_state = xive_get_irqchip_state, }; bool is_xive_irq(struct irq_chip *chip) @@ -1339,6 +1374,11 @@ static void xive_flush_cpu_queue(unsigned int cpu, struct xive_cpu *xc) xd = irq_desc_get_handler_data(desc); /* + * Clear saved_p to indicate that it's no longer pending + */ + xd->saved_p = false; + + /* * For LSIs, we EOI, this will cause a resend if it's * still asserted. Otherwise do an MSI retrigger. */ diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 2f26b74f6cfa..37987c815913 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -800,6 +800,13 @@ int xive_native_set_queue_state(u32 vp_id, u32 prio, u32 qtoggle, u32 qindex) } EXPORT_SYMBOL_GPL(xive_native_set_queue_state); +bool xive_native_has_queue_state_support(void) +{ + return opal_check_token(OPAL_XIVE_GET_QUEUE_STATE) && + opal_check_token(OPAL_XIVE_SET_QUEUE_STATE); +} +EXPORT_SYMBOL_GPL(xive_native_has_queue_state_support); + int xive_native_get_vp_state(u32 vp_id, u64 *out_state) { __be64 state; diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 40983491b95f..9bf63f0ab253 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -217,5 +217,20 @@ #size-cells = <0>; status = "disabled"; }; + eth0: ethernet@10090000 { + compatible = "sifive,fu540-c000-gem"; + interrupt-parent = <&plic0>; + interrupts = <53>; + reg = <0x0 0x10090000 0x0 0x2000 + 0x0 0x100a0000 0x0 0x1000>; + local-mac-address = [00 00 00 00 00 00]; + clock-names = "pclk", "hclk"; + clocks = <&prci PRCI_CLK_GEMGXLPLL>, + <&prci PRCI_CLK_GEMGXLPLL>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts index 0b55c53c08c7..93d68cbd64fe 100644 --- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts @@ -76,3 +76,12 @@ disable-wp; }; }; + +ð0 { + status = "okay"; + phy-mode = "gmii"; + phy-handle = <&phy0>; + phy0: ethernet-phy@0 { + reg = <0>; + }; +}; diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 1efaeddf1e4b..16970f246860 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mm-arch-hooks.h +generic-y += msi.h generic-y += percpu.h generic-y += preempt.h generic-y += sections.h diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h index 62716653554b..d86cb17bbabe 100644 --- a/arch/riscv/include/uapi/asm/auxvec.h +++ b/arch/riscv/include/uapi/asm/auxvec.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 ARM Ltd. * Copyright (C) 2015 Regents of the University of California diff --git a/arch/riscv/include/uapi/asm/bitsperlong.h b/arch/riscv/include/uapi/asm/bitsperlong.h index 0b9b58b57ff6..7d0b32e3b701 100644 --- a/arch/riscv/include/uapi/asm/bitsperlong.h +++ b/arch/riscv/include/uapi/asm/bitsperlong.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 ARM Ltd. * Copyright (C) 2015 Regents of the University of California diff --git a/arch/riscv/include/uapi/asm/byteorder.h b/arch/riscv/include/uapi/asm/byteorder.h index 1920debc09c0..f671e16bf6af 100644 --- a/arch/riscv/include/uapi/asm/byteorder.h +++ b/arch/riscv/include/uapi/asm/byteorder.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 ARM Ltd. * Copyright (C) 2015 Regents of the University of California diff --git a/arch/riscv/include/uapi/asm/hwcap.h b/arch/riscv/include/uapi/asm/hwcap.h index 7d786145183b..4e7646077056 100644 --- a/arch/riscv/include/uapi/asm/hwcap.h +++ b/arch/riscv/include/uapi/asm/hwcap.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copied from arch/arm64/include/asm/hwcap.h * diff --git a/arch/riscv/include/uapi/asm/ptrace.h b/arch/riscv/include/uapi/asm/ptrace.h index 92d8f7cd8f84..882547f6bd5c 100644 --- a/arch/riscv/include/uapi/asm/ptrace.h +++ b/arch/riscv/include/uapi/asm/ptrace.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 Regents of the University of California */ diff --git a/arch/riscv/include/uapi/asm/sigcontext.h b/arch/riscv/include/uapi/asm/sigcontext.h index 053f809e52ce..84f2dfcfdbce 100644 --- a/arch/riscv/include/uapi/asm/sigcontext.h +++ b/arch/riscv/include/uapi/asm/sigcontext.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 Regents of the University of California */ diff --git a/arch/riscv/include/uapi/asm/ucontext.h b/arch/riscv/include/uapi/asm/ucontext.h index b58e00cee2ec..411dd7b52ed6 100644 --- a/arch/riscv/include/uapi/asm/ucontext.h +++ b/arch/riscv/include/uapi/asm/ucontext.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ /* * Copyright (C) 2012 ARM Ltd. * Copyright (C) 2017 SiFive, Inc. diff --git a/arch/riscv/include/uapi/asm/unistd.h b/arch/riscv/include/uapi/asm/unistd.h index 0e2eeeb1fd27..13ce76cc5aff 100644 --- a/arch/riscv/include/uapi/asm/unistd.h +++ b/arch/riscv/include/uapi/asm/unistd.h @@ -18,6 +18,7 @@ #ifdef __LP64__ #define __ARCH_WANT_NEW_STAT #define __ARCH_WANT_SET_GET_RLIMIT +#define __ARCH_WANT_SYS_CLONE3 #endif /* __LP64__ */ #include <asm-generic/unistd.h> diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index 7cba96e7587b..4cf0bddb7d92 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -36,7 +36,7 @@ CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char obj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o obj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o -obj-y += ctype.o text_dma.o +obj-y += version.o ctype.o text_dma.o obj-$(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) += uv.o obj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index ad57c2205a71..082905d97309 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -12,6 +12,7 @@ void print_missing_facilities(void); unsigned long get_random_base(unsigned long safe_addr); extern int kaslr_enabled; +extern const char kernel_version[]; unsigned long read_ipl_report(unsigned long safe_offset); diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index 028aab03a9e7..2087bed6e60f 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -361,6 +361,7 @@ ENTRY(startup_kdump) .quad 0 # INITRD_SIZE .quad 0 # OLDMEM_BASE .quad 0 # OLDMEM_SIZE + .quad kernel_version # points to kernel version string .org COMMAND_LINE .byte "root=/dev/ram0 ro" diff --git a/arch/s390/boot/version.c b/arch/s390/boot/version.c new file mode 100644 index 000000000000..d32e58bdda6a --- /dev/null +++ b/arch/s390/boot/version.c @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <generated/utsrelease.h> +#include <generated/compile.h> +#include "boot.h" + +const char kernel_version[] = UTS_RELEASE + " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ") " UTS_VERSION; diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index 42f2375c203e..e1fcc03159ef 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -118,7 +118,7 @@ do { \ return PTR_ERR(rc); \ } while(0) -static int hpyfs_vm_create_guest(struct dentry *systems_dir, +static int hypfs_vm_create_guest(struct dentry *systems_dir, struct diag2fc_data *data) { char guest_name[NAME_LEN + 1] = {}; @@ -219,7 +219,7 @@ int hypfs_vm_create_files(struct dentry *root) } for (i = 0; i < count; i++) { - rc = hpyfs_vm_create_guest(dir, &(data[i])); + rc = hypfs_vm_create_guest(dir, &(data[i])); if (rc) goto failed; } diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index 9900d655014c..b8833ac983fa 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -35,6 +35,7 @@ #include <linux/typecheck.h> #include <linux/compiler.h> +#include <linux/types.h> #include <asm/atomic_ops.h> #include <asm/barrier.h> @@ -55,7 +56,7 @@ __bitops_byte(unsigned long nr, volatile unsigned long *ptr) return ((unsigned char *)ptr) + ((nr ^ (BITS_PER_LONG - 8)) >> 3); } -static inline void set_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch_set_bit(unsigned long nr, volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long mask; @@ -76,7 +77,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *ptr) __atomic64_or(mask, (long *)addr); } -static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch_clear_bit(unsigned long nr, volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long mask; @@ -97,7 +98,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr) __atomic64_and(mask, (long *)addr); } -static inline void change_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch_change_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long mask; @@ -118,8 +120,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *ptr) __atomic64_xor(mask, (long *)addr); } -static inline int -test_and_set_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch_test_and_set_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long old, mask; @@ -129,8 +131,8 @@ test_and_set_bit(unsigned long nr, volatile unsigned long *ptr) return (old & mask) != 0; } -static inline int -test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch_test_and_clear_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long old, mask; @@ -140,8 +142,8 @@ test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr) return (old & ~mask) != 0; } -static inline int -test_and_change_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch_test_and_change_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned long *addr = __bitops_word(nr, ptr); unsigned long old, mask; @@ -151,30 +153,31 @@ test_and_change_bit(unsigned long nr, volatile unsigned long *ptr) return (old & mask) != 0; } -static inline void __set_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch___set_bit(unsigned long nr, volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); *addr |= 1 << (nr & 7); } -static inline void -__clear_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch___clear_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); *addr &= ~(1 << (nr & 7)); } -static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr) +static inline void arch___change_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); *addr ^= 1 << (nr & 7); } -static inline int -__test_and_set_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch___test_and_set_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); unsigned char ch; @@ -184,8 +187,8 @@ __test_and_set_bit(unsigned long nr, volatile unsigned long *ptr) return (ch >> (nr & 7)) & 1; } -static inline int -__test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch___test_and_clear_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); unsigned char ch; @@ -195,8 +198,8 @@ __test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr) return (ch >> (nr & 7)) & 1; } -static inline int -__test_and_change_bit(unsigned long nr, volatile unsigned long *ptr) +static inline bool arch___test_and_change_bit(unsigned long nr, + volatile unsigned long *ptr) { unsigned char *addr = __bitops_byte(nr, ptr); unsigned char ch; @@ -206,7 +209,8 @@ __test_and_change_bit(unsigned long nr, volatile unsigned long *ptr) return (ch >> (nr & 7)) & 1; } -static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr) +static inline bool arch_test_bit(unsigned long nr, + const volatile unsigned long *ptr) { const volatile unsigned char *addr; @@ -215,28 +219,30 @@ static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr) return (*addr >> (nr & 7)) & 1; } -static inline int test_and_set_bit_lock(unsigned long nr, - volatile unsigned long *ptr) +static inline bool arch_test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *ptr) { - if (test_bit(nr, ptr)) + if (arch_test_bit(nr, ptr)) return 1; - return test_and_set_bit(nr, ptr); + return arch_test_and_set_bit(nr, ptr); } -static inline void clear_bit_unlock(unsigned long nr, - volatile unsigned long *ptr) +static inline void arch_clear_bit_unlock(unsigned long nr, + volatile unsigned long *ptr) { smp_mb__before_atomic(); - clear_bit(nr, ptr); + arch_clear_bit(nr, ptr); } -static inline void __clear_bit_unlock(unsigned long nr, - volatile unsigned long *ptr) +static inline void arch___clear_bit_unlock(unsigned long nr, + volatile unsigned long *ptr) { smp_mb(); - __clear_bit(nr, ptr); + arch___clear_bit(nr, ptr); } +#include <asm-generic/bitops-instrumented.h> + /* * Functions which use MSB0 bit numbering. * The bits are numbered: @@ -261,7 +267,8 @@ static inline void clear_bit_inv(unsigned long nr, volatile unsigned long *ptr) return clear_bit(nr ^ (BITS_PER_LONG - 1), ptr); } -static inline int test_and_clear_bit_inv(unsigned long nr, volatile unsigned long *ptr) +static inline bool test_and_clear_bit_inv(unsigned long nr, + volatile unsigned long *ptr) { return test_and_clear_bit(nr ^ (BITS_PER_LONG - 1), ptr); } @@ -276,8 +283,8 @@ static inline void __clear_bit_inv(unsigned long nr, volatile unsigned long *ptr return __clear_bit(nr ^ (BITS_PER_LONG - 1), ptr); } -static inline int test_bit_inv(unsigned long nr, - const volatile unsigned long *ptr) +static inline bool test_bit_inv(unsigned long nr, + const volatile unsigned long *ptr) { return test_bit(nr ^ (BITS_PER_LONG - 1), ptr); } diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index a4d38092530a..823578c6b9e2 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -177,6 +177,8 @@ static inline int devmem_is_allowed(unsigned long pfn) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define ARCH_ZONE_DMA_BITS 31 + #include <asm-generic/memory_model.h> #include <asm-generic/getorder.h> diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 82deb8fc8319..c5cfff7b1f91 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -54,6 +54,7 @@ #define INITRD_SIZE_OFFSET 0x10410 #define OLDMEM_BASE_OFFSET 0x10418 #define OLDMEM_SIZE_OFFSET 0x10420 +#define KERNEL_VERSION_OFFSET 0x10428 #define COMMAND_LINE_OFFSET 0x10480 #ifndef __ASSEMBLY__ @@ -74,7 +75,8 @@ struct parmarea { unsigned long initrd_size; /* 0x10410 */ unsigned long oldmem_base; /* 0x10418 */ unsigned long oldmem_size; /* 0x10420 */ - char pad1[0x10480 - 0x10428]; /* 0x10428 - 0x10480 */ + unsigned long kernel_version; /* 0x10428 */ + char pad1[0x10480 - 0x10430]; /* 0x10430 - 0x10480 */ char command_line[ARCH_COMMAND_LINE_SIZE]; /* 0x10480 */ }; diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index b6755685c7b8..9e9f75ef046a 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -34,5 +34,6 @@ #define __ARCH_WANT_SYS_FORK #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_CLONE3 #endif /* _ASM_S390_UNISTD_H_ */ diff --git a/arch/s390/include/uapi/asm/bpf_perf_event.h b/arch/s390/include/uapi/asm/bpf_perf_event.h index cefe7c7cd4f6..3ed42ff6da94 100644 --- a/arch/s390/include/uapi/asm/bpf_perf_event.h +++ b/arch/s390/include/uapi/asm/bpf_perf_event.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ #define _UAPI__ASM_BPF_PERF_EVENT_H__ diff --git a/arch/s390/include/uapi/asm/ipl.h b/arch/s390/include/uapi/asm/ipl.h index fd32b1cd80d2..451ba7d08905 100644 --- a/arch/s390/include/uapi/asm/ipl.h +++ b/arch/s390/include/uapi/asm/ipl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_S390_UAPI_IPL_H #define _ASM_S390_UAPI_IPL_H diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h index 494c34c50716..8c5755f41dde 100644 --- a/arch/s390/include/uapi/asm/zcrypt.h +++ b/arch/s390/include/uapi/asm/zcrypt.h @@ -20,6 +20,7 @@ #include <linux/ioctl.h> #include <linux/compiler.h> +#include <linux/types.h> /* Name of the zcrypt device driver. */ #define ZCRYPT_NAME "zcrypt" @@ -160,17 +161,17 @@ struct ica_xcRB { * @payload_len: Payload length */ struct ep11_cprb { - uint16_t cprb_len; + __u16 cprb_len; unsigned char cprb_ver_id; unsigned char pad_000[2]; unsigned char flags; unsigned char func_id[2]; - uint32_t source_id; - uint32_t target_id; - uint32_t ret_code; - uint32_t reserved1; - uint32_t reserved2; - uint32_t payload_len; + __u32 source_id; + __u32 target_id; + __u32 ret_code; + __u32 reserved1; + __u32 reserved2; + __u32 payload_len; } __attribute__((packed)); /** @@ -179,8 +180,8 @@ struct ep11_cprb { * @dom_id: Usage domain id */ struct ep11_target_dev { - uint16_t ap_id; - uint16_t dom_id; + __u16 ap_id; + __u16 dom_id; }; /** @@ -195,14 +196,14 @@ struct ep11_target_dev { * @resp: Addr to response block */ struct ep11_urb { - uint16_t targets_num; - uint64_t targets; - uint64_t weight; - uint64_t req_no; - uint64_t req_len; - uint64_t req; - uint64_t resp_len; - uint64_t resp; + __u16 targets_num; + __u64 targets; + __u64 weight; + __u64 req_no; + __u64 req_len; + __u64 req; + __u64 resp_len; + __u64 resp; } __attribute__((packed)); /** diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index a90d3e945445..3054e9c035a3 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -437,4 +437,4 @@ 432 common fsmount sys_fsmount sys_fsmount 433 common fspick sys_fspick sys_fspick 434 common pidfd_open sys_pidfd_open sys_pidfd_open -# 435 reserved for clone3 +435 common clone3 sys_clone3 sys_clone3 diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index 99e06213a22b..54fcdf66ae96 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -17,8 +17,6 @@ #ifdef CONFIG_PGSTE -static int page_table_allocate_pgste_min = 0; -static int page_table_allocate_pgste_max = 1; int page_table_allocate_pgste = 0; EXPORT_SYMBOL(page_table_allocate_pgste); @@ -29,8 +27,8 @@ static struct ctl_table page_table_sysctl[] = { .maxlen = sizeof(int), .mode = S_IRUGO | S_IWUSR, .proc_handler = proc_dointvec_minmax, - .extra1 = &page_table_allocate_pgste_min, - .extra2 = &page_table_allocate_pgste_max, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; diff --git a/arch/sh/include/uapi/asm/setup.h b/arch/sh/include/uapi/asm/setup.h index 1170dd2fb998..4bd19f80f9b0 100644 --- a/arch/sh/include/uapi/asm/setup.h +++ b/arch/sh/include/uapi/asm/setup.h @@ -1,2 +1,2 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #include <asm-generic/setup.h> diff --git a/arch/sh/include/uapi/asm/types.h b/arch/sh/include/uapi/asm/types.h index f83795fdc0da..68100e108ea6 100644 --- a/arch/sh/include/uapi/asm/types.h +++ b/arch/sh/include/uapi/asm/types.h @@ -1,2 +1,2 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #include <asm-generic/types.h> diff --git a/arch/sparc/include/uapi/asm/oradax.h b/arch/sparc/include/uapi/asm/oradax.h index 64c67f2ea33f..0dace69058ab 100644 --- a/arch/sparc/include/uapi/asm/oradax.h +++ b/arch/sparc/include/uapi/asm/oradax.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */ /* * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. */ diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 2bb986f305ac..4f86928246e7 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1443,8 +1443,12 @@ BUILD_INTERRUPT3(hv_stimer0_callback_vector, HYPERV_STIMER0_VECTOR, ENTRY(page_fault) ASM_CLAC - pushl $0; /* %gs's slot on the stack */ + pushl $do_page_fault + jmp common_exception_read_cr2 +END(page_fault) +common_exception_read_cr2: + /* the function address is in %gs's slot on the stack */ SAVE_ALL switch_stacks=1 skip_gs=1 ENCODE_FRAME_POINTER @@ -1452,6 +1456,7 @@ ENTRY(page_fault) /* fixup %gs */ GS_TO_REG %ecx + movl PT_GS(%esp), %edi REG_TO_PTGS %ecx SET_KERNEL_GS %ecx @@ -1463,9 +1468,9 @@ ENTRY(page_fault) TRACE_IRQS_OFF movl %esp, %eax # pt_regs pointer - call do_page_fault + CALL_NOSPEC %edi jmp ret_from_exception -END(page_fault) +END(common_exception_read_cr2) common_exception: /* the function address is in %gs's slot on the stack */ @@ -1595,7 +1600,7 @@ END(general_protection) ENTRY(async_page_fault) ASM_CLAC pushl $do_async_page_fault - jmp common_exception + jmp common_exception_read_cr2 END(async_page_fault) #endif diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 9e911a96972b..648260b5f367 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -20,7 +20,6 @@ #include <asm/intel-family.h> #include <asm/apic.h> #include <asm/cpu_device_id.h> -#include <asm/hypervisor.h> #include "../perf_event.h" @@ -263,8 +262,8 @@ static struct event_constraint intel_icl_event_constraints[] = { }; static struct extra_reg intel_icl_extra_regs[] __read_mostly = { - INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff9fffull, RSP_0), - INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff9fffull, RSP_1), + INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffbfffull, RSP_0), + INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffffbfffull, RSP_1), INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE), EVENT_EXTRA_END @@ -4053,7 +4052,7 @@ static bool check_msr(unsigned long msr, u64 mask) * Disable the check for real HW, so we don't * mess with potentionaly enabled registers: */ - if (hypervisor_is_type(X86_HYPER_NATIVE)) + if (!boot_cpu_has(X86_FEATURE_HYPERVISOR)) return true; /* @@ -4955,6 +4954,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_SKYLAKE_X: pmem = true; + /* fall through */ case INTEL_FAM6_SKYLAKE_MOBILE: case INTEL_FAM6_SKYLAKE_DESKTOP: case INTEL_FAM6_KABYLAKE_MOBILE: @@ -5004,6 +5004,7 @@ __init int intel_pmu_init(void) case INTEL_FAM6_ICELAKE_X: case INTEL_FAM6_ICELAKE_XEON_D: pmem = true; + /* fall through */ case INTEL_FAM6_ICELAKE_MOBILE: case INTEL_FAM6_ICELAKE_DESKTOP: x86_pmu.late_ack = true; diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 2c8db2c19328..f1269e804e9b 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -851,7 +851,7 @@ struct event_constraint intel_skl_pebs_event_constraints[] = { struct event_constraint intel_icl_pebs_event_constraints[] = { INTEL_FLAGS_UEVENT_CONSTRAINT(0x1c0, 0x100000000ULL), /* INST_RETIRED.PREC_DIST */ - INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x400000000ULL), /* SLOTS */ + INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x800000000ULL), /* SLOTS */ INTEL_PLD_CONSTRAINT(0x1cd, 0xff), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x1d0, 0xf), /* MEM_INST_RETIRED.LOAD */ diff --git a/arch/x86/include/uapi/asm/byteorder.h b/arch/x86/include/uapi/asm/byteorder.h index 484e3cfd7ef2..149143cab9ff 100644 --- a/arch/x86/include/uapi/asm/byteorder.h +++ b/arch/x86/include/uapi/asm/byteorder.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_BYTEORDER_H #define _ASM_X86_BYTEORDER_H diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h index 6ebaae90e207..8b2effe6efb8 100644 --- a/arch/x86/include/uapi/asm/hwcap2.h +++ b/arch/x86/include/uapi/asm/hwcap2.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_HWCAP2_H #define _ASM_X86_HWCAP2_H diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h index 6b18e88de8a6..7114801d0499 100644 --- a/arch/x86/include/uapi/asm/sigcontext32.h +++ b/arch/x86/include/uapi/asm/sigcontext32.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_SIGCONTEXT32_H #define _ASM_X86_SIGCONTEXT32_H diff --git a/arch/x86/include/uapi/asm/types.h b/arch/x86/include/uapi/asm/types.h index df55e1ddb0c9..9d5c11a24279 100644 --- a/arch/x86/include/uapi/asm/types.h +++ b/arch/x86/include/uapi/asm/types.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_TYPES_H #define _ASM_X86_TYPES_H diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 66ca906aa790..801ecd1c3fd5 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1226,7 +1226,7 @@ static ssize_t l1tf_show_state(char *buf) static ssize_t mds_show_state(char *buf) { - if (!hypervisor_is_type(X86_HYPER_NATIVE)) { + if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) { return sprintf(buf, "%s; SMT Host state unknown\n", mds_strings[mds_mitigation]); } diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index a6342c899be5..f3d3e9646a99 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -193,10 +193,10 @@ ENTRY(secondary_startup_64) /* Set up %gs. * - * The base of %gs always points to the bottom of the irqstack - * union. If the stack protector canary is enabled, it is - * located at %gs:40. Note that, on SMP, the boot cpu uses - * init data section till per cpu areas are set up. + * The base of %gs always points to fixed_percpu_data. If the + * stack protector canary is enabled, it is located at %gs:40. + * Note that, on SMP, the boot cpu uses init data section until + * the per cpu areas are set up. */ movl $MSR_GS_BASE,%ecx movl initial_gs(%rip),%eax diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index c43e96a938d0..c6f791bc481e 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -827,10 +827,6 @@ int __init hpet_enable(void) if (!hpet_cfg_working()) goto out_nohpet; - /* Validate that the counter is counting */ - if (!hpet_counting()) - goto out_nohpet; - /* * Read the period and check for a sane value: */ @@ -896,6 +892,14 @@ int __init hpet_enable(void) } hpet_print_config(); + /* + * Validate that the counter is counting. This needs to be done + * after sanitizing the config registers to properly deal with + * force enabled HPETs. + */ + if (!hpet_counting()) + goto out_nohpet; + clocksource_register_hz(&clocksource_hpet, (u32)hpet_freq); if (id & HPET_ID_LEGSUP) { diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index 4f36d3241faf..2d6898c2cb64 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -100,7 +100,7 @@ copy_stack_frame(const void __user *fp, struct stack_frame_user *frame) { int ret; - if (!access_ok(fp, sizeof(*frame))) + if (__range_not_ok(fp, sizeof(*frame), TASK_SIZE)) return 0; ret = 1; diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c index 8eb67a670b10..653b7f617b61 100644 --- a/arch/x86/kernel/sysfb_efi.c +++ b/arch/x86/kernel/sysfb_efi.c @@ -230,9 +230,55 @@ static const struct dmi_system_id efifb_dmi_system_table[] __initconst = { {}, }; +/* + * Some devices have a portrait LCD but advertise a landscape resolution (and + * pitch). We simply swap width and height for these devices so that we can + * correctly deal with some of them coming with multiple resolutions. + */ +static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = { + { + /* + * Lenovo MIIX310-10ICR, only some batches have the troublesome + * 800x1280 portrait screen. Luckily the portrait version has + * its own BIOS version, so we match on that. + */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1HCN44WW"), + }, + }, + { + /* Lenovo MIIX 320-10ICR with 800x1280 portrait screen */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, + "Lenovo MIIX 320-10ICR"), + }, + }, + { + /* Lenovo D330 with 800x1280 or 1200x1920 portrait screen */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, + "Lenovo ideapad D330-10IGM"), + }, + }, + {}, +}; + __init void sysfb_apply_efi_quirks(void) { if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || !(screen_info.capabilities & VIDEO_CAPABILITY_SKIP_QUIRKS)) dmi_check_system(efifb_dmi_system_table); + + if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI && + dmi_check_system(efifb_dmi_swap_width_height)) { + u16 temp = screen_info.lfb_width; + + screen_info.lfb_width = screen_info.lfb_height; + screen_info.lfb_height = temp; + screen_info.lfb_linelength = 4 * screen_info.lfb_width; + } } diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 6c46095cd0d9..9ceacd1156db 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -177,13 +177,14 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) pmd = pmd_offset(pud, address); pmd_k = pmd_offset(pud_k, address); - if (!pmd_present(*pmd_k)) - return NULL; - if (!pmd_present(*pmd)) + if (pmd_present(*pmd) != pmd_present(*pmd_k)) set_pmd(pmd, *pmd_k); + + if (!pmd_present(*pmd_k)) + return NULL; else - BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k)); + BUG_ON(pmd_pfn(*pmd) != pmd_pfn(*pmd_k)); return pmd_k; } @@ -203,17 +204,13 @@ void vmalloc_sync_all(void) spin_lock(&pgd_lock); list_for_each_entry(page, &pgd_list, lru) { spinlock_t *pgt_lock; - pmd_t *ret; /* the pgt_lock only for Xen */ pgt_lock = &pgd_page_get_mm(page)->page_table_lock; spin_lock(pgt_lock); - ret = vmalloc_sync_one(page_address(page), address); + vmalloc_sync_one(page_address(page), address); spin_unlock(pgt_lock); - - if (!ret) - break; } spin_unlock(&pgd_lock); } |