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https://github.com/brain-hackers/u-boot-brain
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![Jorge Ramirez-Ortiz](/assets/img/avatar_default.png)
This commit adds support for 96Boards Dragonboard820C. The board is based on APQ8086 Qualcomm Soc, complying with the 96Boards specification. Features - 4x Kyro CPU (64 bit) up to 2.15GHz - USB2.0 - USB3.0 - ISP - Qualcomm Hexagon DSP - SD 3.0 (UHS-I) - UFS 2.0 - Qualcomm Adreno 530 GPU - GPS - BT 4.2 - Wi-Fi 2.4GHz, 5GHz (802.11ac) - PCIe 2.0 - MIPI-CSI, MIPI-DSI - I2S U-Boot boots chained from LK (LK implements the fastboot protocol) in 64-bit mode. For detailed build instructions see readme.txt in the board directory. Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
460 lines
19 KiB
Plaintext
460 lines
19 KiB
Plaintext
#
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# (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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================================================================================
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What is working (enough to boot a distro from SD card)
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================================================================================
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- UART
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- SD card
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- PSCI reset
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- Environment in EXT4 partition 1 in SD card (check defconfig for details)
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dont forget to insert the card in the SD slot before booting if you
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are going to make mods to the environment
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================================================================================
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Build & Run instructions
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================================================================================
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1) Install mkbootimg and dtbTool from Codeaurora:
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git://codeaurora.org/quic/kernel/skales
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commit 8492547e404e969262d9070dee9bdd15668bb70f worked for me.
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2) Setup CROSS_COMPILE to aarch64 compiler or if you use ccache just do
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CROSS_COMPILE="ccache aarch64-linux-gnu-"
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3) cd to the u-boot tree
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$ make dragonboard820c_config
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$ make -j `nproc`
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4) generate fake, empty ramdisk (can have 0 bytes)
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$ touch rd
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5) Generate qualcomm device tree table with dtbTool
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$ dtbTool -o dt.img arch/arm/dts
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6) Generate Android boot image with mkbootimg:
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$ mkbootimg --kernel=u-boot-dtb.bin \
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--output=u-boot.img \
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--dt=dt.img \
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--pagesize 4096 \
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--base 0x80000000 \
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--ramdisk=rd \
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--cmdline=""
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7) Reboot the board into fastboot mode
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- plug the board micro-usb to your laptop usb host.
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- reboot the board with vol- button pressed
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8) Boot the uboot image using fastboot
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$ fastboot boot u-boot.img
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or flash it to the UFS drive boot partition:
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$ fastboot flash boot u-boot.img
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$ fastboot reboot
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================================================================================
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To boot a linux kernel from SDHCI with the ROOTFS on an NFS share:
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================================================================================
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1) create an EXT4 partition on the SD card (must be partition #1)
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2) build the kernel image and dtb (documented extensively somewhere else)
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3) copy the drivers to the NFS partition (ie: 192.168.1.2 /exports/db820c-rootfs)
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4) add the u-boot headers to the image:
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$ mkimage -A arm64 \
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-O linux \
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-C none \
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-T kernel \
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-a 0x80080000 \
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-e 0x80080000 \
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-n Dragonboard820c \
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-d $kernel/arch/arm64/boot/Image \
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uImage
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5) copy the generated uImage and the device tree binary to the SD card EXT4
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partition
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$ cp uImage /mnt/boot/
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$ cp apq8096-db820c.dtb /mnt/boot/
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6) on the SD card create /extlinux/extlinux.conf as follows:
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default nfs
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prompt 1
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timeout 10
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LABEL nfs
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MENU NFS entry
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LINUX /uImage
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FDT /apq8096-db820c.dtb
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APPEND root=/dev/nfs rw \
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nfsroot=192.168.1.2:/exports/db829c-rootfs,v3,tcp \
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rootwait \
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ip=dhcp consoleblank=0 \
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console=tty0 \
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console=ttyMSM0,115200n8 \
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earlyprintk earlycon=msm_serial_dm,0x75b0000 \
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androidboot.bootdevice=624000.ufshc \
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androidboot.verifiedbootstate=orange \
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androidboot.ver0
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7) remove the SD card from the laptop and insert it back to the db820 board.
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the SD card EXT4 partition#1 should contain:
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/uImage
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/apq8096-db820c.dtb
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/extlinux/extlinux.conf
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8) reboot the db820 board
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================================================================================
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Successful boot sequence
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================================================================================
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Format: Log Type - Time(microsec) - Message - Optional Info
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Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
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S - QC_IMAGE_VERSION_STRING=BOOT.XF.1.0-00301
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S - IMAGE_VARIANT_STRING=M8996LAB
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S - OEM_IMAGE_VERSION_STRING=crm-ubuntu68
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S - Boot Interface: UFS
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S - Secure Boot: Off
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S - Boot Config @ 0x00076044 = 0x000001c9
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S - JTAG ID @ 0x000760f4 = 0x4003e0e1
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S - OEM ID @ 0x000760f8 = 0x00000000
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S - Serial Number @ 0x00074138 = 0x2e8844ce
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S - OEM Config Row 0 @ 0x00074188 = 0x0000000000000000
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S - OEM Config Row 1 @ 0x00074190 = 0x0000000000000000
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S - Feature Config Row 0 @ 0x000741a0 = 0x0050000010000100
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S - Feature Config Row 1 @ 0x000741a8 = 0x00fff00001ffffff
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S - Core 0 Frequency, 1228 MHz
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B - 0 - PBL, Start
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B - 10412 - bootable_media_detect_entry, Start
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B - 47480 - bootable_media_detect_success, Start
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B - 47481 - elf_loader_entry, Start
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B - 49027 - auth_hash_seg_entry, Start
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B - 49129 - auth_hash_seg_exit, Start
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B - 82403 - elf_segs_hash_verify_entry, Start
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B - 84905 - PBL, End
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B - 86955 - SBL1, Start
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B - 182969 - usb: hs_phy_nondrive_start
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B - 183305 - usb: PLL lock success - 0x3
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B - 186294 - usb: hs_phy_nondrive_finish
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B - 190442 - boot_flash_init, Start
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D - 30 - boot_flash_init, Delta
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B - 197548 - sbl1_ddr_set_default_params, Start
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D - 30 - sbl1_ddr_set_default_params, Delta
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B - 205509 - boot_config_data_table_init, Start
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D - 200659 - boot_config_data_table_init, Delta - (60 Bytes)
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B - 410713 - CDT Version:3,Platform ID:24,Major ID:1,Minor ID:0,Subtype:0
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B - 415410 - Image Load, Start
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D - 22570 - PMIC Image Loaded, Delta - (37272 Bytes)
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B - 437980 - pm_device_init, Start
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B - 443744 - PON REASON:PM0:0x200000061 PM1:0x200000021
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B - 480161 - PM_SET_VAL:Skip
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D - 40016 - pm_device_init, Delta
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B - 482083 - pm_driver_init, Start
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D - 2928 - pm_driver_init, Delta
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B - 488671 - pm_sbl_chg_init, Start
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D - 91 - pm_sbl_chg_init, Delta
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B - 495442 - vsense_init, Start
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D - 0 - vsense_init, Delta
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B - 505171 - Pre_DDR_clock_init, Start
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D - 396 - Pre_DDR_clock_init, Delta
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B - 509045 - ddr_initialize_device, Start
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B - 512766 - 8996 v3.x detected, Max frequency = 1.8 GHz
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B - 522373 - ddr_initialize_device, Delta
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B - 522404 - DDR ID, Rank 0, Rank 1, 0x6, 0x300, 0x300
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B - 526247 - Basic DDR tests done
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B - 594994 - clock_init, Start
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D - 274 - clock_init, Delta
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B - 598349 - Image Load, Start
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D - 4331 - QSEE Dev Config Image Loaded, Delta - (46008 Bytes)
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B - 603808 - Image Load, Start
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D - 5338 - APDP Image Loaded, Delta - (0 Bytes)
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B - 612409 - usb: UFS Serial - 2f490ecf
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B - 616801 - usb: fedl, vbus_low
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B - 620431 - Image Load, Start
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D - 55418 - QSEE Image Loaded, Delta - (1640572 Bytes)
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B - 675849 - Image Load, Start
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D - 2013 - SEC Image Loaded, Delta - (4096 Bytes)
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B - 683413 - sbl1_efs_handle_cookies, Start
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D - 457 - sbl1_efs_handle_cookies, Delta
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B - 691892 - Image Load, Start
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D - 14396 - QHEE Image Loaded, Delta - (254184 Bytes)
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B - 706319 - Image Load, Start
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D - 14061 - RPM Image Loaded, Delta - (223900 Bytes)
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B - 721111 - Image Load, Start
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D - 3233 - STI Image Loaded, Delta - (0 Bytes)
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B - 727913 - Image Load, Start
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D - 34709 - APPSBL Image Loaded, Delta - (748716 Bytes)
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B - 762713 - SBL1, End
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D - 680028 - SBL1, Delta
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S - Flash Throughput, 94000 KB/s (2959024 Bytes, 31250 us)
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S - DDR Frequency, 1017 MHz
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Android Bootloader - UART_DM Initialized!!!
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[0] BUILD_VERSION=
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[0] BUILD_DATE=16:07:51 - Nov 17 2017
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[0] welcome to lk
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[10] platform_init()
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[10] target_init()
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[10] RPM GLink Init
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[10] Opening RPM Glink Port success
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[10] Opening SSR Glink Port success
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[20] Glink Connection between APPS and RPM established
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[20] Glink Connection between APPS and RPM established
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[40] UFS init success
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[80] Qseecom Init Done in Appsbl
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[80] secure app region addr=0x86600000 size=0x2200000[90] TZ App region notif returned with status:0 addr:86600000 size:35651584
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[100] TZ App log region register returned with status:0 addr:916d4000 size:4096
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[100] Qseecom TZ Init Done in Appsbl
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[120] Loading cmnlib done
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[120] qseecom_start_app: Loading app keymaster for the first time
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[150] <8>keymaster: "\"KEYMASTER Init \""
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[160] Selected panel: none
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Skip panel configuration
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[160] pm8x41_get_is_cold_boot: cold boot
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[170] boot_verifier: Device is in ORANGE boot state.
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[180] Device is unlocked! Skipping verification...
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[180] Loading (boot) image (348160): start
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[190] Loading (boot) image (348160): done
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[190] use_signed_kernel=1, is_unlocked=1, is_tampered=0.
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[200] Your device has been unlocked and cant be trusted.
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Wait for 5 seconds before proceeding
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[5200] mdtp: mdtp_img loaded
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[5210] mdtp: is_test_mode: test mode is set to 1
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[5210] mdtp: read_metadata: SUCCESS
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[5230] LK SEC APP Handle: 0x1
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[5230] Return value from recv_data: 14
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[5240] Return value from recv_data: 14
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[5250] Return value from recv_data: 14
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[5260] DTB Total entry: 1, DTB version: 3
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[5260] Using DTB entry 0x00000123/00000000/0x00000018/0 for device 0x00000123/00030001/0x00010018/0
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[5270] cmdline: androidboot.bootdevice=624000.ufshc androidboot.verifiedbootstate=orange androidboot.veritymode=enforcing androidboot.serialno=2f490ecf androidboot.baseband=apq mdss_mdp.panel=0
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[5290] Updating device tree: start
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[5290] Updating device tree: done
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[5290] Return value from recv_data: 14
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[5300] RPM GLINK UnInit
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[5300] Qseecom De-Init Done in Appsbl
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[5300] booting linux @ 0x80080000, ramdisk @ 0x82200000 (0), tags/device tree @ 0x82000000
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[5310] Jumping to kernel via monitor
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U-Boot 2017.11-00145-ge895117 (Nov 29 2017 - 10:04:06 +0100)
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Qualcomm-DragonBoard 820C
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DRAM: 3 GiB
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PSCI: v1.0
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MMC: sdhci@74a4900: 0
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In: serial@75b0000
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Out: serial@75b0000
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Err: serial@75b0000
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Net: Net Initialization Skipped
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No ethernet found.
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Hit any key to stop autoboot: 0
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switch to partitions #0, OK
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mmc0 is current device
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Scanning mmc 0:1...
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Found /extlinux/extlinux.conf
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Retrieving file: /extlinux/extlinux.conf
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433 bytes read in 71 ms (5.9 KiB/s)
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1: nfs root
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Retrieving file: /uImage
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19397184 bytes read in 2024 ms (9.1 MiB/s)
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append: root=/dev/nfs rw nfsroot=192.168.1.2:/db820c/rootfs,v3,tcp rootwait ip=dhcp consoleblank=0 console=tty0 console=ttyMSM0,115200n8 earlyprintk earlycon=msm_serial_dm,0x75b0000 androidboot.bootdevice=624000.ufshc androidboot.verifiedbootstate=orange androidboot.ver0
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Retrieving file: /apq8096-db820c.dtb
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38134 bytes read in 37 ms (1005.9 KiB/s)
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## Booting kernel from Legacy Image at 95000000 ...
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Image Name: Dragonboard820c
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Image Type: AArch64 Linux Kernel Image (uncompressed)
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Data Size: 19397120 Bytes = 18.5 MiB
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Load Address: 80080000
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Entry Point: 80080000
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Verifying Checksum ... OK
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## Flattened Device Tree blob at 93000000
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Booting using the fdt blob at 0x93000000
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Loading Kernel Image ... OK
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Using Device Tree in place at 0000000093000000, end 000000009300c4f5
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Starting kernel ...
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[ 0.000000] Booting Linux on physical CPU 0x0
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[ 0.000000] Linux version 4.11.3-30039-g5a922a1 (jramirez@igloo) (gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05) ) #1 SMP PREEMPT Wed Oct 18 10:21:11 CEST 2017
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[ 0.000000] Boot CPU: AArch64 Processor [511f2112]
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[ 0.000000] earlycon: msm_serial_dm0 at MMIO 0x00000000075b0000 (options '')
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[ 0.000000] bootconsole [msm_serial_dm0] enabled
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[ 0.000000] efi: Getting EFI parameters from FDT:
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[ 0.000000] efi: UEFI not found.
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[ 0.000000] OF: reserved mem: OVERLAP DETECTED!
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[ 0.000000] adsp@8ea00000 (0x000000008ea00000--0x0000000090400000) overlaps with gpu@8f200000 (0x000000008f200000--0x000000008f300000)
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[ 0.000000] Reserved memory: created DMA memory pool at 0x000000008f200000, size 1 MiB
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[ 0.000000] OF: reserved mem: initialized node gpu@8f200000, compatible id shared-dma-pool
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[ 0.000000] Reserved memory: created DMA memory pool at 0x0000000090400000, size 8 MiB
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[ 0.000000] OF: reserved mem: initialized node venus@90400000, compatible id shared-dma-pool
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[ 0.000000] cma: Reserved 128 MiB at 0x00000000b8000000
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[ 0.000000] NUMA: No NUMA configuration found
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[ 0.000000] NUMA: Faking a node at [mem 0x0000000000000000-0x00000000bfffffff]
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[ 0.000000] NUMA: Adding memblock [0x80000000 - 0x857fffff] on node 0
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[ 0.000000] NUMA: Adding memblock [0x91800000 - 0xbfffffff] on node 0
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[ 0.000000] NUMA: Initmem setup node 0 [mem 0x80000000-0xbfffffff]
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[ 0.000000] NUMA: NODE_DATA [mem 0xb7fb6680-0xb7fb817f]
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[ 0.000000] Zone ranges:
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[ 0.000000] DMA [mem 0x0000000080000000-0x00000000bfffffff]
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[ 0.000000] Normal empty
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[ 0.000000] Movable zone start for each node
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[ 0.000000] Early memory node ranges
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[ 0.000000] node 0: [mem 0x0000000080000000-0x00000000857fffff]
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[ 0.000000] node 0: [mem 0x0000000091800000-0x00000000bfffffff]
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[ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000000bfffffff]
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[ 0.000000] psci: probing for conduit method from DT.
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[ 0.000000] psci: PSCIv1.0 detected in firmware.
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[ 0.000000] psci: Using standard PSCI v0.2 function IDs
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[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
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[ 0.000000] percpu: Embedded 23 pages/cpu @ffff8000de9a3000 s57240 r8192 d28776 u94208
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[ 0.000000] pcpu-alloc: s57240 r8192 d28776 u94208 alloc=23*4096
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[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
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[ 0.000000] Detected PIPT I-cache on CPU0
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[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 720293
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[ 0.000000] Policy zone: Normal
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[ 0.000000] Kernel command line: root=/dev/nfs rw nfsroot=192.168.1.2:/db820c/rootfs,v3,tcp rootwait ip=dhcp consoleblank=0
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console=tty0 console=ttyMSM0,115200n8 earlyprintk earlycon=msm_serial_dm,0x75b0000 androidboot.bootdevice=624000.ufshc androidboot.verifiedbootstate=orange a
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ndroidboot.ver0
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[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
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[ 0.000000] software IO TLB [mem 0xd3fff000-0xd7fff000] (64MB) mapped at [ffff800053fff000-ffff800057ffefff]
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[ 0.000000] Memory: 2644172K/2926908K available (11196K kernel code, 1470K rwdata, 5132K rodata, 1088K init, 449K bss, 151664K reserved, 131072K cma-reser
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ved)
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[ 0.000000] Virtual kernel memory layout:
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[ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000 ( 128 MB)
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[ 0.000000] vmalloc : 0xffff000008000000 - 0xffff7dffbfff0000 (129022 GB)
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[ 0.000000] .text : 0xffff000008080000 - 0xffff000008b70000 ( 11200 KB)
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[ 0.000000] .rodata : 0xffff000008b70000 - 0xffff000009080000 ( 5184 KB)
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[ 0.000000] .init : 0xffff000009080000 - 0xffff000009190000 ( 1088 KB)
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[ 0.000000] .data : 0xffff000009190000 - 0xffff0000092ffa00 ( 1471 KB)
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[ 0.000000] .bss : 0xffff0000092ffa00 - 0xffff00000937014c ( 450 KB)
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[ 0.000000] fixed : 0xffff7dfffe7fd000 - 0xffff7dfffec00000 ( 4108 KB)
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[ 0.000000] PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000 ( 16 MB)
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[ 0.000000] vmemmap : 0xffff7e0000000000 - 0xffff800000000000 ( 2048 GB maximum)
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[ 0.000000] 0xffff7e0000000000 - 0xffff7e00037a93c0 ( 55 MB actual)
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[ 0.000000] memory : 0xffff800000000000 - 0xffff8000dea4f000 ( 3562 MB)
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[ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
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[ 0.000000] Preemptible hierarchical RCU implementation.
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[ 0.000000] Build-time adjustment of leaf fanout to 64.
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[ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.
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[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=4
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[ 0.000000] NR_IRQS:64 nr_irqs:64 0
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[ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000009c00000
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[ 0.000000] GICv2m: range[mem 0x09bd0000-0x09bd0fff], SPI[544:639]
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[ 0.000000] arm_arch_timer: Architected cp15 and mmio timer(s) running at 19.20MHz (virt/virt).
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[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
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[ 0.000002] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
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[....]
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Some kernel information:
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root@linaro-developer:~# cat /proc/cpuinfo
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processor : 0
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BogoMIPS : 38.40
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Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
|
|
CPU implementer : 0x51
|
|
CPU architecture: 8
|
|
CPU variant : 0x1
|
|
CPU part : 0x211
|
|
CPU revision : 2
|
|
|
|
processor : 1
|
|
BogoMIPS : 38.40
|
|
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
|
|
CPU implementer : 0x51
|
|
CPU architecture: 8
|
|
CPU variant : 0x1
|
|
CPU part : 0x211
|
|
CPU revision : 2
|
|
|
|
processor : 2
|
|
BogoMIPS : 38.40
|
|
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
|
|
CPU implementer : 0x51
|
|
CPU architecture: 8
|
|
CPU variant : 0x1
|
|
CPU part : 0x205
|
|
CPU revision : 2
|
|
|
|
processor : 3
|
|
BogoMIPS : 38.40
|
|
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
|
|
CPU implementer : 0x51
|
|
CPU architecture: 8
|
|
CPU variant : 0x1
|
|
CPU part : 0x205
|
|
CPU revision : 2
|
|
|
|
root@linaro-developer:~# uname -a
|
|
Linux linaro-developer 4.11.3-30039-g5a922a1 #1 SMP PREEMPT Wed Oct 18 10:21:11 CEST 2017 aarch64 GNU/Linux
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|
|
|
root@linaro-developer:~# cat /proc/cmdline
|
|
root=/dev/nfs rw nfsroot=192.168.1.2:/db820c/rootfs,v3,tcp rootwait ip=dhcp consoleblank=0 console=tty0 console=ttyMSM0,115200n8 earlyprintk earlycon=msm_serial_dm,0x75b0000 androidboot.bootdevice=624000.ufshc androidboot.verifiedbootstate=orange androidboot.ver0
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|
|
|
root@linaro-developer:~# cat /proc/meminfo
|
|
MemTotal: 2776332 kB
|
|
MemFree: 2593696 kB
|
|
MemAvailable: 2561432 kB
|
|
Buffers: 0 kB
|
|
Cached: 94744 kB
|
|
SwapCached: 0 kB
|
|
Active: 43888 kB
|
|
Inactive: 72972 kB
|
|
Active(anon): 22968 kB
|
|
Inactive(anon): 24616 kB
|
|
Active(file): 20920 kB
|
|
Inactive(file): 48356 kB
|
|
Unevictable: 0 kB
|
|
Mlocked: 0 kB
|
|
SwapTotal: 0 kB
|
|
SwapFree: 0 kB
|
|
Dirty: 0 kB
|
|
Writeback: 0 kB
|
|
AnonPages: 22120 kB
|
|
Mapped: 29284 kB
|
|
Shmem: 25468 kB
|
|
Slab: 32876 kB
|
|
SReclaimable: 12924 kB
|
|
SUnreclaim: 19952 kB
|
|
KernelStack: 2144 kB
|
|
PageTables: 928 kB
|
|
NFS_Unstable: 0 kB
|
|
Bounce: 0 kB
|
|
WritebackTmp: 0 kB
|
|
CommitLimit: 1388164 kB
|
|
Committed_AS: 204192 kB
|
|
VmallocTotal: 135290290112 kB
|
|
VmallocUsed: 0 kB
|
|
VmallocChunk: 0 kB
|
|
AnonHugePages: 2048 kB
|
|
ShmemHugePages: 0 kB
|
|
ShmemPmdMapped: 0 kB
|
|
CmaTotal: 131072 kB
|
|
CmaFree: 130356 kB
|
|
HugePages_Total: 0
|
|
HugePages_Free: 0
|
|
HugePages_Rsvd: 0
|
|
HugePages_Surp: 0
|
|
Hugepagesize: 2048 kB
|