initial buildroot for linux 5.15
This commit is contained in:
Huan.Feng
@@ -0,0 +1 @@
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root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd kern_guid=%U console=tty0
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@@ -0,0 +1,38 @@
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/dts-v1/;
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/ {
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description = "Chrome OS kernel image with FDT";
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#address-cells = <1>;
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images {
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kernel-1 {
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data = /incbin/("Image");
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type = "kernel_noload";
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arch = "arm64";
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os = "linux";
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compression = "none";
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load = <0>;
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entry = <0>;
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};
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fdt-1 {
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description = "mt8173-elm.dtb";
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data = /incbin/("mt8173-elm.dtb");
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type = "flat_dt";
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arch = "arm64";
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compression = "none";
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hash-1 {
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algo = "sha1";
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};
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};
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};
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configurations {
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default = "conf-1";
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conf-1 {
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kernel = "kernel-1";
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fdt = "fdt-1";
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};
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};
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};
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@@ -0,0 +1,477 @@
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CONFIG_SYSVIPC=y
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CONFIG_NO_HZ_IDLE=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_PREEMPT=y
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CONFIG_IRQ_TIME_ACCOUNTING=y
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CONFIG_BSD_PROCESS_ACCT=y
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CONFIG_BSD_PROCESS_ACCT_V3=y
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CONFIG_IKCONFIG=y
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CONFIG_IKCONFIG_PROC=y
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CONFIG_NUMA_BALANCING=y
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CONFIG_MEMCG=y
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CONFIG_BLK_CGROUP=y
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CONFIG_CGROUP_PIDS=y
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CONFIG_CGROUP_HUGETLB=y
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CONFIG_CPUSETS=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_CGROUP_PERF=y
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CONFIG_USER_NS=y
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CONFIG_SCHED_AUTOGROUP=y
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CONFIG_RELAY=y
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CONFIG_BLK_DEV_INITRD=y
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CONFIG_KALLSYMS_ALL=y
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# CONFIG_COMPAT_BRK is not set
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CONFIG_SLAB=y
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CONFIG_PROFILING=y
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CONFIG_ARCH_MEDIATEK=y
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CONFIG_ARM64_VA_BITS_48=y
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CONFIG_SCHED_MC=y
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CONFIG_SCHED_SMT=y
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CONFIG_NR_CPUS=4
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CONFIG_NUMA=y
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CONFIG_PARAVIRT=y
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CONFIG_CRASH_DUMP=y
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CONFIG_COMPAT=y
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CONFIG_RANDOMIZE_BASE=y
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# CONFIG_EFI is not set
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# CONFIG_SUSPEND is not set
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CONFIG_PM=y
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CONFIG_PM_DEBUG=y
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CONFIG_PM_ADVANCED_DEBUG=y
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CONFIG_CPU_IDLE=y
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CONFIG_CPU_IDLE_GOV_LADDER=y
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CONFIG_ARM_CPUIDLE=y
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CONFIG_ARM_PSCI_CPUIDLE=y
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CONFIG_CPU_FREQ=y
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CONFIG_CPU_FREQ_STAT=y
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CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
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CONFIG_CPU_FREQ_GOV_POWERSAVE=y
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CONFIG_CPU_FREQ_GOV_USERSPACE=y
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CONFIG_CPU_FREQ_GOV_ONDEMAND=y
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CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
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CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
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CONFIG_CPUFREQ_DT=y
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CONFIG_ARM_SCPI_CPUFREQ=y
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CONFIG_ARM_MEDIATEK_CPUFREQ=y
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CONFIG_ARM_SCPI_PROTOCOL=y
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CONFIG_JUMP_LABEL=y
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CONFIG_MODULES=y
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CONFIG_MODULE_UNLOAD=y
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# CONFIG_BLK_DEBUG_FS is not set
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# CONFIG_MQ_IOSCHED_KYBER is not set
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# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
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CONFIG_KSM=y
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CONFIG_MEMORY_FAILURE=y
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CONFIG_TRANSPARENT_HUGEPAGE=y
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CONFIG_CMA=y
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CONFIG_NET=y
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CONFIG_PACKET=y
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CONFIG_UNIX=y
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CONFIG_UNIX_DIAG=y
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CONFIG_INET=y
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CONFIG_IP_MULTICAST=y
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CONFIG_INET_UDP_DIAG=y
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# CONFIG_IPV6 is not set
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CONFIG_CFG80211=y
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# CONFIG_CFG80211_DEFAULT_PS is not set
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CONFIG_MAC80211=y
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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CONFIG_FW_LOADER_USER_HELPER=y
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CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
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CONFIG_BRCMSTB_GISB_ARB=y
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CONFIG_VEXPRESS_CONFIG=y
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CONFIG_MTD=y
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CONFIG_MTD_BLOCK=y
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CONFIG_MTD_CFI=y
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CONFIG_MTD_CFI_ADV_OPTIONS=y
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CONFIG_MTD_CFI_INTELEXT=y
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CONFIG_MTD_CFI_AMDSTD=y
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CONFIG_MTD_CFI_STAA=y
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CONFIG_MTD_PHYSMAP=y
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CONFIG_MTD_PHYSMAP_OF=y
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CONFIG_MTD_DATAFLASH=y
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CONFIG_MTD_SST25L=y
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CONFIG_MTD_RAW_NAND=y
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CONFIG_MTD_NAND_DENALI_DT=y
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CONFIG_MTD_SPI_NOR=y
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CONFIG_OF_OVERLAY=y
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# CONFIG_BLK_DEV is not set
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CONFIG_SRAM=y
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CONFIG_EEPROM_AT24=m
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CONFIG_EEPROM_AT25=m
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CONFIG_RAID_ATTRS=m
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CONFIG_SCSI=y
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# CONFIG_SCSI_PROC_FS is not set
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CONFIG_BLK_DEV_SD=y
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CONFIG_SCSI_SAS_LIBSAS=y
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CONFIG_SCSI_UFSHCD=y
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CONFIG_SCSI_UFSHCD_PLATFORM=y
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CONFIG_MD=y
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CONFIG_BLK_DEV_MD=m
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CONFIG_BLK_DEV_DM=m
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CONFIG_DM_MIRROR=m
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CONFIG_DM_ZERO=m
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CONFIG_NETDEVICES=y
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# CONFIG_ETHERNET is not set
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CONFIG_PHYLIB=y
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CONFIG_USB_CATC=m
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CONFIG_USB_KAWETH=m
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CONFIG_USB_PEGASUS=m
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CONFIG_USB_RTL8150=m
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CONFIG_USB_RTL8152=m
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CONFIG_USB_LAN78XX=m
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CONFIG_USB_USBNET=m
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CONFIG_USB_NET_CDC_EEM=m
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CONFIG_USB_NET_HUAWEI_CDC_NCM=m
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CONFIG_USB_NET_CDC_MBIM=m
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CONFIG_USB_NET_DM9601=m
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CONFIG_USB_NET_SR9700=m
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CONFIG_USB_NET_SR9800=m
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CONFIG_USB_NET_SMSC75XX=m
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CONFIG_USB_NET_SMSC95XX=m
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CONFIG_USB_NET_GL620A=m
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CONFIG_USB_NET_PLUSB=m
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CONFIG_USB_NET_MCS7830=m
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CONFIG_USB_NET_RNDIS_HOST=m
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CONFIG_USB_ALI_M5632=y
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CONFIG_USB_AN2720=y
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CONFIG_USB_EPSON2888=y
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CONFIG_USB_KC2190=y
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CONFIG_USB_NET_CX82310_ETH=m
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CONFIG_USB_NET_KALMIA=m
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CONFIG_USB_NET_QMI_WWAN=m
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CONFIG_USB_NET_INT51X1=m
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CONFIG_USB_IPHETH=m
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CONFIG_USB_SIERRA_NET=m
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CONFIG_USB_VL600=m
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CONFIG_USB_NET_CH9200=m
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CONFIG_USB_NET_AQC111=m
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# CONFIG_WLAN_VENDOR_ADMTEK is not set
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# CONFIG_WLAN_VENDOR_ATH is not set
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# CONFIG_WLAN_VENDOR_ATMEL is not set
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# CONFIG_WLAN_VENDOR_BROADCOM is not set
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# CONFIG_WLAN_VENDOR_CISCO is not set
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# CONFIG_WLAN_VENDOR_INTEL is not set
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# CONFIG_WLAN_VENDOR_INTERSIL is not set
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CONFIG_MWIFIEX=m
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CONFIG_MWIFIEX_SDIO=m
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# CONFIG_WLAN_VENDOR_MEDIATEK is not set
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# CONFIG_WLAN_VENDOR_RALINK is not set
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# CONFIG_WLAN_VENDOR_REALTEK is not set
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# CONFIG_WLAN_VENDOR_RSI is not set
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# CONFIG_WLAN_VENDOR_ST is not set
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# CONFIG_WLAN_VENDOR_TI is not set
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# CONFIG_WLAN_VENDOR_ZYDAS is not set
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# CONFIG_WLAN_VENDOR_QUANTENNA is not set
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CONFIG_INPUT_EVDEV=y
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CONFIG_KEYBOARD_ADC=m
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CONFIG_KEYBOARD_GPIO=y
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CONFIG_KEYBOARD_CROS_EC=y
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CONFIG_MOUSE_ELAN_I2C=y
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CONFIG_INPUT_TOUCHSCREEN=y
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CONFIG_TOUCHSCREEN_ATMEL_MXT=m
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CONFIG_TOUCHSCREEN_ELAN=y
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CONFIG_INPUT_MISC=y
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# CONFIG_SERIO_SERPORT is not set
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CONFIG_SERIO_AMBAKMI=y
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CONFIG_LEGACY_PTY_COUNT=16
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CONFIG_SERIAL_8250=y
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CONFIG_SERIAL_8250_CONSOLE=y
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CONFIG_SERIAL_8250_EXTENDED=y
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CONFIG_SERIAL_8250_SHARE_IRQ=y
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CONFIG_SERIAL_8250_DW=y
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CONFIG_SERIAL_8250_MT6577=y
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CONFIG_SERIAL_OF_PLATFORM=y
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CONFIG_SERIAL_AMBA_PL011=y
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CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
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CONFIG_SERIAL_XILINX_PS_UART=y
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CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
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CONFIG_SERIAL_FSL_LPUART=y
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CONFIG_SERIAL_FSL_LPUART_CONSOLE=y
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CONFIG_SERIAL_FSL_LINFLEXUART=y
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CONFIG_SERIAL_FSL_LINFLEXUART_CONSOLE=y
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CONFIG_SERIAL_DEV_BUS=y
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CONFIG_VIRTIO_CONSOLE=y
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CONFIG_IPMI_HANDLER=m
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CONFIG_IPMI_DEVICE_INTERFACE=m
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CONFIG_IPMI_SI=m
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CONFIG_TCG_TPM=y
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CONFIG_TCG_TIS_I2C_INFINEON=y
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CONFIG_I2C_CHARDEV=y
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CONFIG_I2C_MUX_PCA954x=y
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CONFIG_I2C_DESIGNWARE_PLATFORM=y
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CONFIG_I2C_GPIO=m
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CONFIG_I2C_MT65XX=y
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CONFIG_I2C_RK3X=y
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CONFIG_I2C_SLAVE=y
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CONFIG_SPI=y
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CONFIG_SPI_CADENCE_QUADSPI=y
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CONFIG_SPI_NXP_FLEXSPI=y
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CONFIG_SPI_GPIO=y
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CONFIG_SPI_MT65XX=y
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CONFIG_SPI_PL022=y
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CONFIG_SPI_ROCKCHIP=y
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CONFIG_SPI_SPIDEV=y
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CONFIG_PINCTRL_SINGLE=y
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CONFIG_PINCTRL_MAX77620=y
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CONFIG_GPIO_ALTERA=m
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CONFIG_GPIO_DWAPB=y
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CONFIG_GPIO_MB86S7X=y
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CONFIG_GPIO_PL061=y
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CONFIG_GPIO_XGENE=y
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CONFIG_GPIO_MAX732X=y
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CONFIG_GPIO_PCA953X=y
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CONFIG_GPIO_PCA953X_IRQ=y
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CONFIG_GPIO_BD9571MWV=m
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CONFIG_GPIO_MAX77620=y
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CONFIG_POWER_RESET_BRCMSTB=y
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CONFIG_POWER_RESET_XGENE=y
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CONFIG_POWER_RESET_SYSCON=y
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CONFIG_SYSCON_REBOOT_MODE=y
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CONFIG_BATTERY_SBS=m
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CONFIG_BATTERY_BQ27XXX=y
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CONFIG_SENSORS_ARM_SCPI=y
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||||
CONFIG_SENSORS_LM90=m
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||||
CONFIG_SENSORS_PWM_FAN=m
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||||
CONFIG_SENSORS_INA2XX=m
|
||||
CONFIG_SENSORS_INA3221=m
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||||
CONFIG_THERMAL=y
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||||
CONFIG_CPU_THERMAL=y
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||||
CONFIG_DEVFREQ_THERMAL=y
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||||
CONFIG_THERMAL_EMULATION=y
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||||
CONFIG_WATCHDOG=y
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||||
CONFIG_MEDIATEK_WATCHDOG=y
|
||||
CONFIG_MFD_BD9571MWV=y
|
||||
CONFIG_MFD_AXP20X_I2C=y
|
||||
CONFIG_MFD_HI6421_PMIC=y
|
||||
CONFIG_MFD_MAX77620=y
|
||||
CONFIG_MFD_MT6397=y
|
||||
CONFIG_MFD_RK808=y
|
||||
CONFIG_MFD_SEC_CORE=y
|
||||
CONFIG_MFD_ROHM_BD718XX=y
|
||||
CONFIG_REGULATOR_DEBUG=y
|
||||
CONFIG_REGULATOR_FIXED_VOLTAGE=y
|
||||
CONFIG_REGULATOR_AXP20X=y
|
||||
CONFIG_REGULATOR_BD718XX=y
|
||||
CONFIG_REGULATOR_BD9571MWV=y
|
||||
CONFIG_REGULATOR_DA9211=y
|
||||
CONFIG_REGULATOR_FAN53555=y
|
||||
CONFIG_REGULATOR_GPIO=y
|
||||
CONFIG_REGULATOR_HI6421V530=y
|
||||
CONFIG_REGULATOR_MAX77620=y
|
||||
CONFIG_REGULATOR_MAX8973=y
|
||||
CONFIG_REGULATOR_MT6397=y
|
||||
CONFIG_REGULATOR_PFUZE100=y
|
||||
CONFIG_REGULATOR_PWM=y
|
||||
CONFIG_REGULATOR_RK808=y
|
||||
CONFIG_REGULATOR_S2MPS11=y
|
||||
CONFIG_REGULATOR_VCTRL=m
|
||||
CONFIG_MEDIA_SUPPORT=y
|
||||
CONFIG_MEDIA_CAMERA_SUPPORT=y
|
||||
CONFIG_MEDIA_ANALOG_TV_SUPPORT=y
|
||||
CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
|
||||
CONFIG_MEDIA_SDR_SUPPORT=y
|
||||
CONFIG_VIDEO_V4L2_SUBDEV_API=y
|
||||
CONFIG_MEDIA_USB_SUPPORT=y
|
||||
CONFIG_USB_VIDEO_CLASS=m
|
||||
CONFIG_DRM=y
|
||||
CONFIG_DRM_I2C_CH7006=m
|
||||
CONFIG_DRM_I2C_SIL164=m
|
||||
CONFIG_DRM_I2C_NXP_TDA998X=m
|
||||
CONFIG_DRM_MALI_DISPLAY=m
|
||||
CONFIG_DRM_PANEL_LVDS=m
|
||||
CONFIG_DRM_PANEL_SIMPLE=y
|
||||
CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA=m
|
||||
CONFIG_DRM_DISPLAY_CONNECTOR=y
|
||||
CONFIG_DRM_PARADE_PS8640=y
|
||||
CONFIG_DRM_SII902X=m
|
||||
CONFIG_DRM_THINE_THC63LVD1024=m
|
||||
CONFIG_DRM_TI_SN65DSI86=m
|
||||
CONFIG_DRM_ANALOGIX_ANX78XX=y
|
||||
CONFIG_DRM_I2C_ADV7511=m
|
||||
CONFIG_DRM_MEDIATEK=y
|
||||
CONFIG_DRM_MEDIATEK_HDMI=y
|
||||
CONFIG_FB_MODE_HELPERS=y
|
||||
CONFIG_FB_SIMPLE=y
|
||||
CONFIG_BACKLIGHT_CLASS_DEVICE=y
|
||||
CONFIG_BACKLIGHT_PWM=y
|
||||
CONFIG_BACKLIGHT_LP855X=y
|
||||
CONFIG_SOUND=y
|
||||
CONFIG_SND=y
|
||||
CONFIG_SND_SOC=y
|
||||
CONFIG_SND_SOC_MT8173=y
|
||||
CONFIG_SND_SOC_MT8173_RT5650_RT5676=y
|
||||
CONFIG_I2C_HID=m
|
||||
CONFIG_USB_CONN_GPIO=y
|
||||
CONFIG_USB=y
|
||||
CONFIG_USB_XHCI_HCD=y
|
||||
CONFIG_USB_EHCI_HCD=y
|
||||
CONFIG_USB_EHCI_HCD_PLATFORM=y
|
||||
CONFIG_USB_OHCI_HCD=y
|
||||
CONFIG_USB_OHCI_HCD_PLATFORM=y
|
||||
CONFIG_USB_STORAGE=y
|
||||
CONFIG_USB_MTU3=y
|
||||
CONFIG_USB_MUSB_HDRC=y
|
||||
CONFIG_USB_DWC3=y
|
||||
CONFIG_USB_DWC2=y
|
||||
CONFIG_USB_CHIPIDEA=y
|
||||
CONFIG_USB_CHIPIDEA_UDC=y
|
||||
CONFIG_USB_CHIPIDEA_HOST=y
|
||||
CONFIG_USB_ISP1760=y
|
||||
CONFIG_USB_SERIAL=y
|
||||
CONFIG_USB_SERIAL_CONSOLE=y
|
||||
CONFIG_USB_SERIAL_PL2303=y
|
||||
CONFIG_USB_HSIC_USB3503=y
|
||||
CONFIG_NOP_USB_XCEIV=y
|
||||
CONFIG_USB_ULPI=y
|
||||
CONFIG_USB_GADGET=y
|
||||
CONFIG_USB_SNP_UDC_PLAT=y
|
||||
CONFIG_USB_BDC_UDC=y
|
||||
CONFIG_USB_ETH=m
|
||||
CONFIG_USB_ETH_EEM=y
|
||||
CONFIG_TYPEC=m
|
||||
CONFIG_TYPEC_TCPM=m
|
||||
CONFIG_TYPEC_FUSB302=m
|
||||
CONFIG_MMC=y
|
||||
CONFIG_MMC_BLOCK_MINORS=32
|
||||
CONFIG_MMC_ARMMMCI=y
|
||||
CONFIG_MMC_SDHCI=y
|
||||
CONFIG_MMC_SDHCI_PLTFM=y
|
||||
CONFIG_MMC_SDHCI_OF_ARASAN=y
|
||||
CONFIG_MMC_SDHCI_CADENCE=y
|
||||
CONFIG_MMC_SDHCI_F_SDH30=y
|
||||
CONFIG_MMC_SPI=y
|
||||
CONFIG_MMC_DW=y
|
||||
CONFIG_MMC_DW_EXYNOS=y
|
||||
CONFIG_MMC_DW_HI3798CV200=y
|
||||
CONFIG_MMC_DW_K3=y
|
||||
CONFIG_MMC_MTK=y
|
||||
CONFIG_MMC_SDHCI_XENON=y
|
||||
CONFIG_NEW_LEDS=y
|
||||
CONFIG_LEDS_CLASS=y
|
||||
CONFIG_LEDS_GPIO=y
|
||||
CONFIG_LEDS_PWM=y
|
||||
CONFIG_LEDS_SYSCON=y
|
||||
CONFIG_LEDS_TRIGGERS=y
|
||||
CONFIG_LEDS_TRIGGER_TIMER=y
|
||||
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
|
||||
CONFIG_LEDS_TRIGGER_CPU=y
|
||||
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
|
||||
CONFIG_LEDS_TRIGGER_PANIC=y
|
||||
CONFIG_RTC_CLASS=y
|
||||
CONFIG_RTC_DRV_DS1307=m
|
||||
CONFIG_RTC_DRV_MAX77686=y
|
||||
CONFIG_RTC_DRV_RK808=m
|
||||
CONFIG_RTC_DRV_PCF85363=m
|
||||
CONFIG_RTC_DRV_RX8581=m
|
||||
CONFIG_RTC_DRV_S5M=y
|
||||
CONFIG_RTC_DRV_DS3232=y
|
||||
CONFIG_RTC_DRV_PCF2127=m
|
||||
CONFIG_RTC_DRV_PL031=y
|
||||
CONFIG_DMADEVICES=y
|
||||
CONFIG_FSL_EDMA=y
|
||||
CONFIG_MV_XOR_V2=y
|
||||
CONFIG_PL330_DMA=y
|
||||
CONFIG_MTK_CQDMA=y
|
||||
CONFIG_QCOM_HIDMA_MGMT=y
|
||||
CONFIG_QCOM_HIDMA=y
|
||||
# CONFIG_VIRTIO_MENU is not set
|
||||
CONFIG_CHROME_PLATFORMS=y
|
||||
CONFIG_CROS_EC=y
|
||||
CONFIG_CROS_EC_I2C=y
|
||||
CONFIG_CROS_EC_SPI=y
|
||||
CONFIG_COMMON_CLK_RK808=y
|
||||
CONFIG_COMMON_CLK_SCPI=y
|
||||
CONFIG_COMMON_CLK_CS2000_CP=y
|
||||
CONFIG_COMMON_CLK_S2MPS11=y
|
||||
CONFIG_COMMON_CLK_XGENE=y
|
||||
CONFIG_COMMON_CLK_PWM=y
|
||||
CONFIG_COMMON_CLK_VC5=y
|
||||
CONFIG_COMMON_CLK_MT6797_MMSYS=y
|
||||
CONFIG_COMMON_CLK_MT6797_IMGSYS=y
|
||||
CONFIG_COMMON_CLK_MT6797_VDECSYS=y
|
||||
CONFIG_COMMON_CLK_MT6797_VENCSYS=y
|
||||
CONFIG_HWSPINLOCK=y
|
||||
CONFIG_ARM_MHU=y
|
||||
CONFIG_PLATFORM_MHU=y
|
||||
CONFIG_ARM_SMMU=y
|
||||
CONFIG_ARM_SMMU_V3=y
|
||||
CONFIG_MTK_IOMMU=y
|
||||
CONFIG_REMOTEPROC=y
|
||||
CONFIG_MTK_CMDQ=y
|
||||
CONFIG_MTK_PMIC_WRAP=y
|
||||
CONFIG_EXTCON_USB_GPIO=y
|
||||
CONFIG_IIO=y
|
||||
CONFIG_MAX9611=m
|
||||
CONFIG_SENSORS_ISL29018=m
|
||||
CONFIG_MPL3115=m
|
||||
CONFIG_PWM=y
|
||||
CONFIG_PWM_MTK_DISP=y
|
||||
CONFIG_PWM_MEDIATEK=y
|
||||
CONFIG_PHY_XGENE=y
|
||||
CONFIG_PHY_FSL_IMX8MQ_USB=y
|
||||
CONFIG_PHY_MTK_TPHY=y
|
||||
CONFIG_PHY_QCOM_USB_HS=y
|
||||
CONFIG_PHY_SAMSUNG_USB2=y
|
||||
CONFIG_EXT2_FS=y
|
||||
CONFIG_EXT3_FS=y
|
||||
CONFIG_EXT4_FS_POSIX_ACL=y
|
||||
CONFIG_FANOTIFY=y
|
||||
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
|
||||
CONFIG_QUOTA=y
|
||||
CONFIG_AUTOFS4_FS=y
|
||||
CONFIG_FUSE_FS=m
|
||||
CONFIG_CUSE=m
|
||||
CONFIG_OVERLAY_FS=y
|
||||
CONFIG_OVERLAY_FS_INDEX=y
|
||||
CONFIG_OVERLAY_FS_XINO_AUTO=y
|
||||
CONFIG_OVERLAY_FS_METACOPY=y
|
||||
CONFIG_VFAT_FS=y
|
||||
CONFIG_TMPFS=y
|
||||
CONFIG_TMPFS_POSIX_ACL=y
|
||||
CONFIG_HUGETLBFS=y
|
||||
CONFIG_CONFIGFS_FS=y
|
||||
CONFIG_PSTORE=y
|
||||
CONFIG_NFS_FS=m
|
||||
CONFIG_NFS_V3_ACL=y
|
||||
CONFIG_NFS_V4=m
|
||||
CONFIG_NFS_SWAP=y
|
||||
CONFIG_CIFS=m
|
||||
CONFIG_CIFS_STATS2=y
|
||||
CONFIG_CIFS_WEAK_PW_HASH=y
|
||||
CONFIG_NLS_CODEPAGE_437=y
|
||||
CONFIG_NLS_ISO8859_1=y
|
||||
CONFIG_SECURITY=y
|
||||
CONFIG_CRYPTO_CRYPTD=y
|
||||
CONFIG_CRYPTO_DH=m
|
||||
CONFIG_CRYPTO_ECDH=m
|
||||
CONFIG_CRYPTO_SEQIV=y
|
||||
CONFIG_CRYPTO_ECHAINIV=y
|
||||
CONFIG_CRYPTO_CBC=y
|
||||
CONFIG_CRYPTO_ECB=y
|
||||
CONFIG_CRYPTO_XXHASH=m
|
||||
CONFIG_CRYPTO_SHA1=y
|
||||
CONFIG_CRYPTO_SHA3=m
|
||||
CONFIG_CRYPTO_DES=m
|
||||
CONFIG_CRYPTO_ANSI_CPRNG=y
|
||||
CONFIG_CRYPTO_DEV_CCREE=m
|
||||
CONFIG_PACKING=y
|
||||
CONFIG_INDIRECT_PIO=y
|
||||
CONFIG_CRC_CCITT=m
|
||||
CONFIG_CRC_T10DIF=y
|
||||
CONFIG_LIBCRC32C=m
|
||||
CONFIG_DMA_CMA=y
|
||||
CONFIG_CMA_SIZE_MBYTES=32
|
||||
CONFIG_IRQ_POLL=y
|
||||
CONFIG_PRINTK_TIME=y
|
||||
CONFIG_DEBUG_INFO=y
|
||||
CONFIG_MAGIC_SYSRQ=y
|
||||
CONFIG_DEBUG_FS=y
|
||||
CONFIG_DEBUG_KERNEL=y
|
||||
# CONFIG_SCHED_DEBUG is not set
|
||||
# CONFIG_DEBUG_PREEMPT is not set
|
||||
CONFIG_STACKTRACE=y
|
||||
# CONFIG_FTRACE is not set
|
||||
# CONFIG_STRICT_DEVMEM is not set
|
||||
@@ -0,0 +1,56 @@
|
||||
Mediatek MT8173 aka Chromebook Elm
|
||||
==================================
|
||||
|
||||
This file describes booting the Chromebook from an SD card containing
|
||||
Buildroot kernel and rootfs, using the original bootloader. This is
|
||||
the least invasive way to get Buildroot onto the devices and a good
|
||||
starting point.
|
||||
|
||||
The bootloader will only boot a kernel from a GPT partition marked
|
||||
bootable with cgpt tool from vboot-utils package.
|
||||
The kernel image must be signed using futility from the same package.
|
||||
The signing part is done by sign.sh script in this directory.
|
||||
|
||||
It does not really matter where rootfs is as long as the kernel is able
|
||||
to find it, but this particular configuration assumes the kernel is on
|
||||
partition 1 and rootfs is on partition 2 of the SD card.
|
||||
Make sure to check kernel.args if you change this.
|
||||
|
||||
Making the boot media
|
||||
---------------------
|
||||
Start by configuring and building the images.
|
||||
|
||||
make chromebook_elm_defconfig
|
||||
make menuconfig # if necessary
|
||||
make
|
||||
|
||||
The important files are:
|
||||
|
||||
uImage.kpart (kernel and device tree, signed)
|
||||
rootfs.tar
|
||||
bootsd.img (SD card image containing both kernel and rootfs)
|
||||
|
||||
Write the image directly to some SD card.
|
||||
WARNING: make sure there is nothing important on that card,
|
||||
and double-check the device name!
|
||||
|
||||
SD=/dev/mmcblk1 # may be /dev/sdX on some hosts
|
||||
dd if=output/images/bootsd.img of=$SD
|
||||
|
||||
Switching to developer mode and booting from SD
|
||||
-----------------------------------------------
|
||||
Power Chromebook down, then power it up while holding Esc+F3.
|
||||
BEWARE: switching to developer mode deletes all user data.
|
||||
Create backups if you need them.
|
||||
|
||||
While in developer mode, Chromebook will boot into a white screen saying
|
||||
"OS verification is off".
|
||||
|
||||
Press Ctrl-D at this screen to boot Chromium OS from eMMC.
|
||||
Press Ctrl-U at this screen to boot from SD (or USB)
|
||||
Press Power to power it off.
|
||||
Do NOT press Space unless you mean it.
|
||||
This will switch it back to normal mode.
|
||||
|
||||
The is no way to get rid of the white screen without re-flashing the bootloader.
|
||||
|
||||
Executable
+41
@@ -0,0 +1,41 @@
|
||||
#!/bin/sh
|
||||
|
||||
# This script creates u-boot FIT image containing the kernel and the DT,
|
||||
# then signs it using futility from vboot-utils.
|
||||
# The resulting file is called uImage.kpart.
|
||||
|
||||
BOARD_DIR=$(dirname $0)/${BOARD_NAME}
|
||||
mkimage=$HOST_DIR/bin/mkimage
|
||||
futility=$HOST_DIR/bin/futility
|
||||
devkeys=$HOST_DIR/share/vboot/devkeys
|
||||
|
||||
run() { echo "$@"; "$@"; }
|
||||
die() { echo "$@" >&2; exit 1; }
|
||||
test -f $BINARIES_DIR/Image || \
|
||||
die "No kernel image found"
|
||||
test -x $mkimage || \
|
||||
die "No mkimage found (host-uboot-tools has not been built?)"
|
||||
test -x $futility || \
|
||||
die "No futility found (host-vboot-utils has not been built?)"
|
||||
|
||||
# kernel.its references Image and mt8173-elm.dtb, and all three
|
||||
# files must be in current directory for mkimage.
|
||||
run cp $BOARD_DIR/kernel.its $BINARIES_DIR/kernel.its || exit 1
|
||||
echo "# entering $BINARIES_DIR for the next command"
|
||||
(cd $BINARIES_DIR && run $mkimage -f kernel.its uImage.itb) || exit 1
|
||||
|
||||
# futility requires non-empty file to be supplied with --bootloader
|
||||
# even if it does not make sense for the target platform.
|
||||
echo > $BINARIES_DIR/dummy.txt
|
||||
|
||||
run $futility vbutil_kernel \
|
||||
--keyblock $devkeys/kernel.keyblock \
|
||||
--signprivate $devkeys/kernel_data_key.vbprivk \
|
||||
--arch aarch64 \
|
||||
--version 1 \
|
||||
--config $BOARD_DIR/kernel.args \
|
||||
--vmlinuz $BINARIES_DIR/uImage.itb \
|
||||
--bootloader $BINARIES_DIR/dummy.txt \
|
||||
--pack $BINARIES_DIR/uImage.kpart || exit 1
|
||||
|
||||
rm -f $BINARIES_DIR/kernel.its $BINARIES_DIR/dummy.txt
|
||||
Executable
+69
@@ -0,0 +1,69 @@
|
||||
#!/bin/sh
|
||||
|
||||
# This scripts makes a minimal bootable SD card image for the Chromebook.
|
||||
# The resulting file is called bootsd.img. It should be written directly
|
||||
# to the card:
|
||||
#
|
||||
# SD=/dev/mmcblk1 # check your device name!
|
||||
# dd if=output/images/bootsd.img of=$SD
|
||||
#
|
||||
# The partitions are created just large enough to hold the kernel and
|
||||
# the rootfs image. Most of the card will be empty, and the secondary
|
||||
# GPT will not be in its proper location.
|
||||
|
||||
# cgpt does not create protective MBR, and the kernel refuses to read
|
||||
# GPT unless there's some kind of MBR in sector 0. So we need parted
|
||||
# to write that single sector before doing anything with the GPT.
|
||||
cgpt=$HOST_DIR/bin/cgpt
|
||||
parted=$HOST_DIR/sbin/parted
|
||||
kernel=$BINARIES_DIR/uImage.kpart
|
||||
rootfs=$BINARIES_DIR/rootfs.ext2
|
||||
|
||||
run() { echo "$@"; "$@"; }
|
||||
die() { echo "$@" >&2; exit 1; }
|
||||
test -f $kernel || die "No kernel image found"
|
||||
test -f $rootfs || die "No rootfs image found"
|
||||
test -x $cgpt || die "cgpt not found (host-vboot-utils have not been built?)"
|
||||
|
||||
# True file sizes in bytes
|
||||
kernelsize=`stat -t $kernel | cut -d\ -f2`
|
||||
rootfssize=`stat -t $rootfs | cut -d\ -f2`
|
||||
|
||||
# The card is partitioned in sectors of 8KB.
|
||||
# 4 sectors are reserved for MBR+GPT. Their actual size turns out
|
||||
# to be 33 512-blocks which is just over 2 sectors, but we align
|
||||
# it to a nice round number.
|
||||
sec=8192
|
||||
kernelsec=$(((kernelsize+8191)>>13))
|
||||
rootfssec=$(((rootfssize+8191)>>13))
|
||||
headersec=4
|
||||
|
||||
# There is also a copy of MBR+GPT at the end of the image.
|
||||
# It's going to be useless but both tools assume it's there.
|
||||
imagesec=$((2*headersec+kernelsec+rootfssec))
|
||||
bootsd="$BINARIES_DIR/bootsd.img"
|
||||
run dd bs=$sec count=$imagesec if=/dev/zero of=$bootsd
|
||||
|
||||
# cgpt needs offsets and sizes in 512-blocks.
|
||||
block=512
|
||||
kernelstart=$((headersec<<4))
|
||||
kernelblocks=$((kernelsec<<4))
|
||||
rootfsblocks=$((rootfssec<<4))
|
||||
rootfsstart=$((kernelstart+kernelblocks))
|
||||
|
||||
# This command initializes both GPT and MBR
|
||||
run $parted -s $bootsd mklabel gpt
|
||||
|
||||
# The kernel partition must be marked as bootable, that's why -S -T -P
|
||||
run $cgpt add -i 1 -b $kernelstart -s $kernelblocks \
|
||||
-t kernel -l kernel \
|
||||
-S 1 -T 1 -P 10 $bootsd
|
||||
|
||||
# It does not really matter where the rootfs partition is located as long
|
||||
# as the kernel can find it.
|
||||
# However, if anything is changed here, kernel.args must be updated as well.
|
||||
run $cgpt add -i 2 -b $rootfsstart -s $rootfsblocks \
|
||||
-t data -l rootfs $bootsd
|
||||
|
||||
run dd bs=$block if=$kernel of=$bootsd seek=$kernelstart
|
||||
run dd bs=$block if=$rootfs of=$bootsd seek=$rootfsstart
|
||||
@@ -0,0 +1 @@
|
||||
console=tty1 clk_ignore_unused root=/dev/mmcblk1p2 rootfstype=ext4 ro
|
||||
@@ -0,0 +1,37 @@
|
||||
/dts-v1/;
|
||||
|
||||
/ {
|
||||
description = "Buildroot kernel for Chromebook Snow";
|
||||
images {
|
||||
kernel@1 {
|
||||
description = "kernel";
|
||||
data = /incbin/("zImage");
|
||||
type = "kernel_noload";
|
||||
arch = "arm";
|
||||
os = "linux";
|
||||
compression = "none";
|
||||
load = <0>;
|
||||
entry = <0>;
|
||||
hash@1 {
|
||||
algo = "sha1";
|
||||
};
|
||||
};
|
||||
fdt@1{
|
||||
description = "exynos5250-snow.dtb";
|
||||
data = /incbin/("exynos5250-snow.dtb");
|
||||
type = "flat_dt";
|
||||
arch = "arm";
|
||||
compression = "none";
|
||||
hash@1 {
|
||||
algo = "sha1";
|
||||
};
|
||||
};
|
||||
};
|
||||
configurations {
|
||||
default = "conf@1";
|
||||
conf@1{
|
||||
kernel = "kernel@1";
|
||||
fdt = "fdt@1";
|
||||
};
|
||||
};
|
||||
};
|
||||
@@ -0,0 +1,27 @@
|
||||
Some versions of u-boot for this Chromebook check for tpm node
|
||||
in the device tree and fail badly (reboot) if it is not found.
|
||||
|
||||
While not exactly correct, it is much easier to patch the mainline
|
||||
device tree to match u-boot expectations than to fix u-boot on
|
||||
this device.
|
||||
|
||||
See https://code.google.com/p/chromium/issues/detail?id=220169
|
||||
and https://lkml.org/lkml/2013/3/4/242
|
||||
|
||||
Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
|
||||
|
||||
--- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi
|
||||
+++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
|
||||
@@ -466,6 +466,11 @@
|
||||
status = "okay";
|
||||
samsung,i2c-sda-delay = <100>;
|
||||
samsung,i2c-max-bus-freq = <66000>;
|
||||
+
|
||||
+ tpm {
|
||||
+ compatible = "infineon,slb9635tt";
|
||||
+ reg = <0x20>;
|
||||
+ };
|
||||
};
|
||||
|
||||
&i2c_5 {
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
CONFIG_MWIFIEX=m
|
||||
CONFIG_MWIFIEX_SDIO=m
|
||||
@@ -0,0 +1,137 @@
|
||||
Samsung XE303C12 aka Chromebook Snow
|
||||
====================================
|
||||
|
||||
This file describes booting the Chromebook from an SD card containing
|
||||
Buildroot kernel and rootfs, using the original bootloader. This is
|
||||
the least invasive way to get Buildroot onto the devices and a good
|
||||
starting point.
|
||||
|
||||
The bootloader will only boot a kernel from a GPT partition marked
|
||||
bootable with cgpt tool from vboot-utils package.
|
||||
The kernel image must be signed using futility from the same package.
|
||||
The signing part is done by sign.sh script in this directory.
|
||||
|
||||
It does not really matter where rootfs is as long as the kernel is able
|
||||
to find it, but this particular configuration assumes the kernel is on
|
||||
partition 1 and rootfs is on partition 2 of the SD card.
|
||||
Make sure to check kernel.args if you change this.
|
||||
|
||||
Making the boot media
|
||||
---------------------
|
||||
Start by configuring and building the images.
|
||||
|
||||
make chromebook_snow_defconfig
|
||||
make menuconfig # if necessary
|
||||
make
|
||||
|
||||
The important files are:
|
||||
|
||||
uImage.kpart (kernel and device tree, signed)
|
||||
rootfs.tar
|
||||
bootsd.img (SD card image containing both kernel and rootfs)
|
||||
|
||||
Write the image directly to some SD card.
|
||||
WARNING: make sure there is nothing important on that card,
|
||||
and double-check the device name!
|
||||
|
||||
SD=/dev/mmcblk1 # may be /dev/sdX on some hosts
|
||||
dd if=output/images/bootsd.img of=$SD
|
||||
|
||||
Switching to developer mode and booting from SD
|
||||
-----------------------------------------------
|
||||
Power Chromebook down, then power it up while holding Esc+F3.
|
||||
BEWARE: switching to developer mode deletes all user data.
|
||||
Create backups if you need them.
|
||||
|
||||
While in developer mode, Chromebook will boot into a white screen saying
|
||||
"OS verification is off".
|
||||
|
||||
Press Ctrl-D at this screen to boot Chromium OS from eMMC.
|
||||
Press Ctrl-U at this screen to boot from SD (or USB)
|
||||
Press Power to power it off.
|
||||
Do NOT press Space unless you mean it.
|
||||
This will switch it back to normal mode.
|
||||
|
||||
The is no way to get rid of the white screen without re-flashing the bootloader.
|
||||
|
||||
Troubleshooting
|
||||
---------------
|
||||
Loud *BEEP* after pressing Ctrl-U means there's no valid partition to boot from.
|
||||
Which in turn means either bad GPT or improperly signed kernel.
|
||||
|
||||
Return to the OS verification screen without any sounds means the code managed
|
||||
to reboot the board. May indicate properly signed but invalid image.
|
||||
|
||||
Blank screen means the image is valid and properly signed but cannot boot
|
||||
for some reason, like missing or incorrect DT.
|
||||
|
||||
In case the board becomes unresponsive:
|
||||
|
||||
* Press Esc+F3+Power. The board should reboot instantly.
|
||||
Remove SD card to prevent it from attempting a system recovery.
|
||||
|
||||
* Hold Power button for around 10s. The board should shut down into
|
||||
its soft-off mode. Press Power button again or open the lid to turn in on.
|
||||
|
||||
* If that does not work, disconnect the charger and push a hidden
|
||||
button on the underside with a pin of some sort. The board should shut
|
||||
down completely. Opening the lid and pressing Power button will not work.
|
||||
To turn it back on, connect the charger.
|
||||
|
||||
Partitioning SD card manually
|
||||
-----------------------------
|
||||
Check mksd.sh for partitioning commands.
|
||||
|
||||
Use parted and cgpt on a real device, and calculate the partition
|
||||
sizes properly. The kernel partition may be as small as 4MB, but
|
||||
you will probably want the rootfs to occupy the whole remaining space.
|
||||
|
||||
cgpt may be used to check current layout:
|
||||
|
||||
output/host/bin/cgpt show $SD
|
||||
|
||||
All sizes and all offsets are in 512-byte blocks.
|
||||
|
||||
Writing kernel and rootfs to a partitioned SD card
|
||||
--------------------------------------------------
|
||||
Write .kpart directly to the bootable partition:
|
||||
|
||||
dd if=output/images/uImage.kpart of=${SD}1
|
||||
|
||||
Make a new filesystem on the rootfs partition, and unpack rootfs.tar there:
|
||||
|
||||
mkfs.ext4 ${SD}2
|
||||
mount ${SD2} /mnt/<ROOTFS-PARTITION>
|
||||
tar -xvf output/images/rootfs.tar -C /mnt/<ROOTFS-PARTITION>
|
||||
umount /mnt/<ROOTFS-PARTITION>
|
||||
|
||||
This will require root permissions even if you can write to $SD.
|
||||
|
||||
Kernel command line
|
||||
-------------------
|
||||
The command line is taken from board/chromebook/snow/kernel.args and stored
|
||||
in the vboot header (which also holds the signature).
|
||||
|
||||
The original bootloader prepends "cros_secure console= " to the supplied
|
||||
command line. The only way to suppress this is to enable CMDLINE_FORCE
|
||||
in the kernel config, disabling external command line completely.
|
||||
|
||||
That's not necessary however. The mainline kernel ignores cros_secure,
|
||||
and supplying console=tty1 in kernel.args undoes the effect of console=
|
||||
|
||||
Booting with console= suppresses all kernel output.
|
||||
As a side effect, it makes /dev/console unusable, which the init in use must
|
||||
be able to handle.
|
||||
|
||||
WiFi card
|
||||
---------
|
||||
Run modprobe mwifiex_sdio to load the driver.
|
||||
The name of the device should be mlan0.
|
||||
|
||||
Further reading
|
||||
---------------
|
||||
https://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices/samsung-arm-chromebook
|
||||
http://linux-exynos.org/wiki/Samsung_Chromebook_XE303C12/Installing_Linux
|
||||
http://archlinuxarm.org/platforms/armv7/samsung/samsung-chromebook
|
||||
http://www.de7ec7ed.com/2013/05/application-processor-ap-uart-samsung.html
|
||||
http://www.de7ec7ed.com/2013/05/embedded-controller-ec-uart-samsung.html
|
||||
Executable
+41
@@ -0,0 +1,41 @@
|
||||
#!/bin/sh
|
||||
|
||||
# This script creates u-boot FIT image containing the kernel and the DT,
|
||||
# then signs it using futility from vboot-utils.
|
||||
# The resulting file is called uImage.kpart.
|
||||
|
||||
BOARD_DIR=$(dirname $0)
|
||||
mkimage=$HOST_DIR/bin/mkimage
|
||||
futility=$HOST_DIR/bin/futility
|
||||
devkeys=$HOST_DIR/share/vboot/devkeys
|
||||
|
||||
run() { echo "$@"; "$@"; }
|
||||
die() { echo "$@" >&2; exit 1; }
|
||||
test -f $BINARIES_DIR/zImage || \
|
||||
die "No kernel image found"
|
||||
test -x $mkimage || \
|
||||
die "No mkimage found (host-uboot-tools has not been built?)"
|
||||
test -x $futility || \
|
||||
die "No futility found (host-vboot-utils has not been built?)"
|
||||
|
||||
# kernel.its references zImage and exynos5250-snow.dtb, and all three
|
||||
# files must be in current directory for mkimage.
|
||||
run cp $BOARD_DIR/kernel.its $BINARIES_DIR/kernel.its || exit 1
|
||||
echo "# entering $BINARIES_DIR for the next command"
|
||||
(cd $BINARIES_DIR && run $mkimage -f kernel.its uImage.itb) || exit 1
|
||||
|
||||
# futility requires non-empty file to be supplied with --bootloader
|
||||
# even if it does not make sense for the target platform.
|
||||
echo > $BINARIES_DIR/dummy.txt
|
||||
|
||||
run $futility vbutil_kernel \
|
||||
--keyblock $devkeys/kernel.keyblock \
|
||||
--signprivate $devkeys/kernel_data_key.vbprivk \
|
||||
--arch arm \
|
||||
--version 1 \
|
||||
--config $BOARD_DIR/kernel.args \
|
||||
--vmlinuz $BINARIES_DIR/uImage.itb \
|
||||
--bootloader $BINARIES_DIR/dummy.txt \
|
||||
--pack $BINARIES_DIR/uImage.kpart || exit 1
|
||||
|
||||
rm -f $BINARIES_DIR/kernel.its $BINARIES_DIR/dummy.txt
|
||||
Reference in New Issue
Block a user