Optimize boot time and consolidate confd into a single daemon

.github/workflows/coverity.yml

@@ -55,7 +55,7 @@ jobs:
           sudo apt-get -y update
           sudo apt-get -y install pkg-config libjansson-dev libev-dev \
                        libcrypt-dev libglib2.0-dev libpcre2-dev       \
-                       libuev-dev
+                       libuev-dev libavahi-client-dev
 
       - name: Build dependencies
         run: |

README.md

@@ -85,12 +85,12 @@ interfaces {
 admin@infix-12-34-56:/config/interface/eth0/> <b>leave</b>
 admin@infix-12-34-56:/> <b>show interfaces</b>
 <u>INTERFACE       PROTOCOL   STATE       DATA                                  </u>
-eth0            ethernet   UP          52:54:00:12:34:56
-                ipv4                   192.168.2.200/24 (static)
-                ipv6                   fe80::5054:ff:fe12:3456/64 (link-layer)
 lo              ethernet   UP          00:00:00:00:00:00
                 ipv4                   127.0.0.1/8 (static)
                 ipv6                   ::1/128 (static)
+eth0            ethernet   UP          52:54:00:12:34:56
+                ipv4                   192.168.2.200/24 (static)
+                ipv6                   fe80::5054:ff:fe12:3456/64 (link-layer)
 admin@infix-12-34-56:/> <b>copy running startup</b>
 </code></pre>
 
@@ -114,6 +114,7 @@ containers for any custom functionality you need.
 - **x86_64** - Run in VMs or on mini PCs for development and testing
 - **Marvell CN9130 CRB, EspressoBIN** - High-performance ARM64 platforms
 - **Microchip SparX-5i** - Enterprise switching capabilities
+- **Microchip SAMA7G54-EK** - ARM Cortex-A7
 - **NXP i.MX8MP EVK** - Highly capable ARM64 SoC
 - **StarFive VisionFive2** - RISC-V architecture support
 

board/aarch64/linux_defconfig

@@ -502,6 +502,7 @@ CONFIG_USB_OTG=y
 CONFIG_USB_XHCI_HCD=m
 CONFIG_USB_XHCI_MVEBU=m
 CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_HCD_PLATFORM=m
 CONFIG_USB_OHCI_HCD=m
 CONFIG_USB_OHCI_HCD_PLATFORM=m

board/aarch64/raspberrypi-rpi64/Config.in

@@ -2,9 +2,6 @@ config BR2_PACKAGE_RASPBERRYPI_RPI64
 	bool "Raspberry Pi 64-bit (RPi3 and later)"
 	depends on BR2_aarch64
 	select SDCARD_AUX
-	select BR2_PACKAGE_FEATURE_WIFI
-	select BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI
-	select BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_WIFI
 	select BR2_PACKAGE_LINUX_FIRMWARE_RTL_8169
 	help
 	  Raspberry Pi 64-bit adds support for the Raspberry Pi family of

board/arm/README.md

@@ -4,4 +4,5 @@ Arm 32-bit
 Board Specific Documentation
 ----------------------------
 
+- [Microchip SAMA7G54-EK (32-bit)](microchip-sama7g54-ek/)
 - [Raspberry Pi 2 Model B (32-bit)](raspberrypi-rpi2/)

board/arm/linux_defconfig

@@ -1,20 +1,19 @@
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
-CONFIG_AUDIT=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_JIT=y
-CONFIG_PREEMPT=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
+# CONFIG_CPU_ISOLATION is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=18
+CONFIG_LOG_BUF_SHIFT=16
 CONFIG_MEMCG=y
 CONFIG_BLK_CGROUP=y
 CONFIG_CFS_BANDWIDTH=y
@@ -31,19 +30,15 @@ CONFIG_SCHED_AUTOGROUP=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_PROFILING=y
-CONFIG_ARCH_MULTI_V6=y
-CONFIG_ARCH_VIRT=y
-CONFIG_ARCH_BCM=y
-CONFIG_ARCH_BCM2835=y
+# CONFIG_ARM_ERRATA_643719 is not set
 CONFIG_SMP=y
 CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_STAT=y
-CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPUFREQ_DT=y
-CONFIG_ARM_RASPBERRYPI_CPUFREQ=y
 CONFIG_VFP=y
 CONFIG_NEON=y
 CONFIG_KERNEL_MODE_NEON=y
@@ -55,7 +50,11 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_ZSWAP=y
+CONFIG_ZSWAP_DEFAULT_ON=y
+CONFIG_ZSWAP_SHRINKER_DEFAULT_ON=y
 # CONFIG_COMPAT_BRK is not set
+# CONFIG_BALLOON_COMPACTION is not set
 CONFIG_KSM=y
 CONFIG_CMA=y
 CONFIG_NET=y
@@ -259,7 +258,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 # CONFIG_STANDALONE is not set
-CONFIG_RASPBERRYPI_FIRMWARE=y
 CONFIG_FW_CFG_SYSFS=y
 CONFIG_FW_CFG_SYSFS_CMDLINE=y
 CONFIG_OF_OVERLAY=y
@@ -301,72 +299,36 @@ CONFIG_VETH=m
 CONFIG_VIRTIO_NET=y
 CONFIG_NLMON=y
 CONFIG_NET_VRF=y
-CONFIG_BCMGENET=y
-CONFIG_SMSC911X=y
-CONFIG_USB_LAN78XX=y
 CONFIG_USB_USBNET=y
-CONFIG_USB_NET_SMSC95XX=y
-CONFIG_INPUT_MOUSEDEV=m
 CONFIG_INPUT_EVDEV=y
-CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_EDT_FT5X06=m
 # CONFIG_LEGACY_PTYS is not set
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_EXTENDED=y
-CONFIG_SERIAL_8250_SHARE_IRQ=y
-CONFIG_SERIAL_8250_BCM2835AUX=y
-CONFIG_SERIAL_AMBA_PL011=y
-CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
 CONFIG_SERIAL_DEV_BUS=y
 CONFIG_VIRTIO_CONSOLE=y
 CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_BCM2835=m
 CONFIG_SPI=y
-CONFIG_SPI_BCM2835=y
-CONFIG_SPI_BCM2835AUX=y
-CONFIG_SENSORS_RASPBERRYPI_HWMON=m
 CONFIG_THERMAL=y
-CONFIG_BCM2711_THERMAL=y
-CONFIG_BCM2835_THERMAL=m
 CONFIG_WATCHDOG=y
 CONFIG_I6300ESB_WDT=y
-CONFIG_BCM2835_WDT=y
 CONFIG_MFD_SYSCON=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
-CONFIG_REGULATOR_GPIO=y
 CONFIG_MEDIA_SUPPORT=y
-CONFIG_DRM=y
-CONFIG_DRM_LOAD_EDID_FIRMWARE=y
-CONFIG_DRM_SIMPLEDRM=y
-CONFIG_DRM_PANEL_SIMPLE=m
-CONFIG_DRM_TOSHIBA_TC358762=m
-CONFIG_DRM_V3D=m
-CONFIG_DRM_VC4=m
-CONFIG_DRM_VC4_HDMI_CEC=y
-CONFIG_FB=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-CONFIG_SOUND=y
-CONFIG_SND=y
-CONFIG_SND_SOC=y
-CONFIG_SND_BCM2835_SOC_I2S=y
-CONFIG_HID_GENERIC=m
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_OTG=y
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_HCD_PLATFORM=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
 CONFIG_USB_STORAGE=y
-CONFIG_USB_DWC2=y
-CONFIG_NOP_USB_XCEIV=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_ETH=m
 CONFIG_USB_ETH_EEM=y
 CONFIG_USB_G_SERIAL=m
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
-CONFIG_MMC_SDHCI_IPROC=y
-CONFIG_MMC_BCM2835=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
@@ -380,20 +342,13 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_LEDS_TRIGGER_TRANSIENT=y
 CONFIG_LEDS_TRIGGER_CAMERA=y
 CONFIG_DMADEVICES=y
-CONFIG_DMA_BCM2835=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y
 CONFIG_VIRTIO_INPUT=y
 CONFIG_VIRTIO_MMIO=y
-CONFIG_STAGING=y
-CONFIG_SND_BCM2835=m
-CONFIG_CLK_RASPBERRYPI=y
 CONFIG_MAILBOX=y
-CONFIG_BCM2835_MBOX=y
 # CONFIG_IOMMU_SUPPORT is not set
-CONFIG_RASPBERRYPI_POWER=y
 CONFIG_PWM=y
-CONFIG_PWM_BCM2835=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_POSIX_ACL=y
 CONFIG_EXT4_FS=y
@@ -426,18 +381,13 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
-CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_FS=y
 CONFIG_PANIC_ON_OOPS=y
 CONFIG_PANIC_TIMEOUT=20
-CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
 CONFIG_HARDLOCKUP_DETECTOR=y
 CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
-CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
 CONFIG_WQ_WATCHDOG=y
-CONFIG_WQ_CPU_INTENSIVE_REPORT=y
 CONFIG_TEST_LOCKUP=m
-# CONFIG_RCU_TRACE is not set
 CONFIG_FUNCTION_TRACER=y
-CONFIG_MEMTEST=y
+# CONFIG_RUNTIME_TESTING_MENU is not set

board/arm/microchip-sama7g54-ek/dts/microchip/at91-sama7g5ek.dts

@@ -16,3 +16,28 @@
 &thermal_sensor {
 	status = "disabled";
 };
+
+/*
+ * Enable SDMMC high speed mode, please note that neither 'mmc-ddr-1_8v'
+ * or 'mmc-hs200-1_8v' work, even though [1] states they are supported,
+ * the errata [2] tells a different story: "Using mode SDR104, HS200 or
+ * HS400 may lead to tuning issues, data read errors or clock switching
+ * failures." — empirical testing has proved this on a rev 5 board.
+ *
+ * [1]: https://github.com/linux4sam/linux-at91/commit/5b35500
+ * [2]: https://ww1.microchip.com/downloads/en/DeviceDoc/SAMA7G5-Series-Silicon-Errata-and-Data-Sheet-Clarification-DS80001016A.pdf
+ */
+&sdmmc0 {
+	/delete-property/ sdhci-caps-mask;
+	cap-mmc-highspeed;
+	cap-mmc-hw-reset;
+};
+
+&sdmmc1 {
+	/delete-property/ no-1-8-v;
+	/delete-property/ sdhci-caps-mask;
+};
+
+&sdmmc2 {
+	/delete-property/ sdhci-caps-mask;
+};

board/arm/microchip-sama7g54-ek/uboot/extras.config

@@ -1,6 +1,8 @@
 # Common U-Boot extras for SAMA7G54-EK
 CONFIG_EFI_PARTITION=y
 CONFIG_ENV_IMPORT_FDT=y
+# CONFIG_ENV_IS_IN_FAT is not set
+CONFIG_ENV_IS_NOWHERE=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_RSA=y

board/arm/raspberrypi-rpi2/Config.in

@@ -2,9 +2,6 @@ config BR2_PACKAGE_RASPBERRYPI_RPI2
 	bool "Raspberry Pi 2 Model B (32-bit ARMv7)"
 	depends on BR2_arm
 	select SDCARD_AUX
-	select BR2_PACKAGE_FEATURE_WIFI
-	select BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI
-	select BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_WIFI
 	help
 	  Support for the 32-bit ARMv7 Raspberry Pi 2B single-board computer
 	  (SBC) with BCM2836 quad-core Cortex-A7 processor.

board/arm/raspberrypi-rpi2/raspberrypi-rpi2.mk

@@ -1,60 +1,78 @@
 # Raspberry Pi 2 Model B specific kernel configuration
 define RASPBERRYPI_RPI2_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_ARCH_BCM)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_ARCH_BCM2835)
+
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SOUND)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SND)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SND_SOC)
+	$(call KCONFIG_SET_OPT,CONFIG_SND_BCM2835_SOC_I2S,y)
+	$(call KCONFIG_SET_OPT,CONFIG_SND_BCM2835,m)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_INPUT_MOUSE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_INPUT_KEYBOARD)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_INPUT_TOUCHSCREEN)
 	$(call KCONFIG_SET_OPT,CONFIG_INPUT_MOUSEDEV,m)
 	$(call KCONFIG_SET_OPT,CONFIG_HID_GENERIC,m)
+	$(call KCONFIG_SET_OPT,CONFIG_TOUCHSCREEN_EDT_FT5X06,m)
 
 	$(call KCONFIG_ENABLE_OPT,CONFIG_ARCH_BCM)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_ARCH_BCM2835)
 	$(call KCONFIG_SET_OPT,CONFIG_BCM2835_MBOX,y)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_BCM2835_WDT)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DMA_BCM2835)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_RASPBERRYPI_FIRMWARE)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_RASPBERRYPI_POWER)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_ARM_RASPBERRYPI_CPUFREQ)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_CLK_RASPBERRYPI)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_PINCTRL_BCM2835)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_GPIO_BCM2835)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_PWM_BCM2835)
 	$(call KCONFIG_SET_OPT,CONFIG_BRCMFMAC,m)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_BRCMFMAC_SDIO)
 	$(call KCONFIG_SET_OPT,CONFIG_I2C_BCM2835,m)
+	$(call KCONFIG_SET_OPT,CONFIG_SPI_BCM2835,y)
+	$(call KCONFIG_SET_OPT,CONFIG_SPI_BCM2835AUX,y)
+	$(call KCONFIG_SET_OPT,CONFIG_SENSORS_RASPBERRYPI_HWMON,m)
+	$(call KCONFIG_SET_OPT,CONFIG_BCM2711_THERMAL,y)
 	$(call KCONFIG_SET_OPT,CONFIG_BCM2835_THERMAL,m)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_MMC_BCM2835)
-	$(call KCONFIG_ENABLE_OPT,CONFIG_RASPBERRYPI_POWER)
+	$(call KCONFIG_SET_OPT,CONFIG_MMC_SDHCI_IPROC,y)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_8250)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_8250_CONSOLE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_8250_BCM2835AUX)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_8250_EXTENDED)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_8250_SHARE_IRQ)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_AMBA_PL011)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_SERIAL_AMBA_PL011_CONSOLE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_NET_VENDOR_BROADCOM)
+	$(call KCONFIG_SET_OPT,CONFIG_BCMGENET,y)
 	$(call KCONFIG_SET_OPT,CONFIG_SMSC911X,y)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_USB_USBNET)
+	$(call KCONFIG_SET_OPT,CONFIG_USB_LAN78XX,y)
+	$(call KCONFIG_SET_OPT,CONFIG_USB_NET_SMSC95XX,y)
 	$(call KCONFIG_SET_OPT,CONFIG_REGULATOR_GPIO,y)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_COMMON_CLK_BCM2835)
-	$(call KCONFIG_ENABLE_OPT,CONFIG_CLK_RASPBERRYPI)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_KMS_HELPER)
+	$(call KCONFIG_SET_OPT,CONFIG_DRM_SIMPLEDRM,y)
 	$(call KCONFIG_SET_OPT,CONFIG_DRM_V3D,m)
 	$(call KCONFIG_SET_OPT,CONFIG_DRM_VC4,m)
-	$(call KCONFIG_SET_OPT,CONFIG_STAGING,y)
-	$(call KCONFIG_SET_OPT,CONFIG_SND_BCM2835,m)
-
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_VC4_HDMI_CEC)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_LOAD_EDID_FIRMWARE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_PANEL_BRIDGE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_BRIDGE)
 	$(call KCONFIG_SET_OPT,CONFIG_DRM_TOSHIBA_TC358762,m)
 	$(call KCONFIG_SET_OPT,CONFIG_DRM_PANEL_SIMPLE,m)
+	$(call KCONFIG_SET_OPT,CONFIG_STAGING,y)
 
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FB)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FRAMEBUFFER_CONSOLE)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_DRM_FBDEV_EMULATION)
-
-	$(call KCONFIG_SET_OPT,CONFIG_TOUCHSCREEN_EDT_FT5X06,m)
-
 	$(call KCONFIG_ENABLE_OPT,CONFIG_BACKLIGHT_CLASS_DEVICE)
+
+	$(call KCONFIG_ENABLE_OPT,CONFIG_USB_DWC2)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NOP_USB_XCEIV)
 endef
 
 $(eval $(ix-board))