24 Dec, 2018

1 commit

  • Sometimes we need to set random rpmb key which is invisible
    except for the device.
    Generate the random key with hwcrypto interface and support
    fastboot command "fastboot oem set-rpmb-random-key" to set it.

    Test: build and boot on imx8q.

    Change-Id: I44e1b6b091366d8ffceb1159fc65c17610ce5243
    Signed-off-by: Ji Luo

    Ji Luo
     

21 Dec, 2018

1 commit

  • For mek_8qm, bootloader offset in SD card is 32kb, in eMMC
    bootpartition, it's 0kb. This patch fix the issue that bootloader offset
    used in uboot is always based on the device that the board boot from.

    Now, if uboot environment variable "target_ubootdev" is set, bootloader
    offset used in uboot is based on the device "target_ubootdev" specified.
    So boot from eMMC to flash SD, the board can boot from SD and vice versa.

    Change-Id: Ia2cd64ba6ece02b98ea3d2addbce00b1661077de
    Signed-off-by: faqiang.zhu

    faqiang.zhu
     

20 Dec, 2018

1 commit


12 Dec, 2018

2 commits

  • Open configs to enable trusty for imx8mm_evk and also
    add new config imx8mm_evk_android_trusty_defconfig based
    on imx8mm_evk_android_defconfig.

    Test: Trusty starts ok.

    Change-Id: Iaea90de21f886ed23082a5e8e8d2fa7fb139a9cb
    Signed-off-by: Ji Luo

    Ji Luo
     
  • When moving to support partition reboot or android auto on XEN,
    linux kernel will runs into runtime suspend state, and the usb
    will be configured to low power suspend state by Linux.

    Then we reboot and runs into U-Boot, however the usb already in
    suspended state and uboot not able to lock the phy pll,
    after clearing PHCD to out of suspended state, the phy pll could be
    locked and fastboot works.

    Signed-off-by: Peng Fan
    Suggested-by: Li Jun
    Reviewed-by: Ye Li
    (cherry picked from commit 999ae3e37bc8fea05ac984eb043dd925d80f1208)

    Peng Fan
     

06 Dec, 2018

2 commits


04 Dec, 2018

1 commit

  • Add commands to write/read vbmeta public key to/from secure
    storage. The vbmeta public key can only be set once.
    Comands to set the public key:
    fastboot stage
    fastboot oem set-public-key

    Test: build and boot on imx8qxp_mek.

    Change-Id: Id3ad4aa5aacef4fc8443f6a2d6ccb931310970ca
    Signed-off-by: Ji Luo

    Ji Luo
     

29 Nov, 2018

2 commits


22 Nov, 2018

1 commit

  • Too many macros are used in fsl_avbkey.c and
    make it difficult to maintain.
    This patch made some refine by:
    1. Move all avb/atx operations to fsl_avb.c.
    2. Refine the functions logic.
    3. Drop some unsupported conditions/functions.

    Test: build and boot on
    imx8qm_mek/imx8mq_evk/imx6qp_sabresd/imx7d_pico/imx8m_aiy.

    Change-Id: I5c99732acfc47d53cdf188d69223983777e577f4
    Signed-off-by: Luo Ji

    Luo Ji
     

20 Nov, 2018

1 commit

  • Update the ddrc Qos setting for B1 to align with B0'ssetting.
    Correct the initial clock for dram_pll. This setting will be
    overwrite before ddr phy training. Although there is no impact
    on the dram init, we still need to correct it to eliminate
    confusion.

    Signed-off-by: Bai Ping
    Reviewed-by: Ye Li
    Tested-by: Robby Cai
    (cherry picked from commit 566b798213ab9690966f163de2765acdbfe647a7)

    Bai Ping
     

15 Nov, 2018

2 commits


14 Nov, 2018

1 commit

  • Fix coverity issue CID 43665: Free of address-of expression (BAD_FREE)
    incorrect_free: free frees incorrect pointer pp.

    pp points the port array field of struct ahci_uc_priv, should not free it.

    Signed-off-by: Ye Li
    Acked-by: Peng Fan

    Ye Li
     

13 Nov, 2018

9 commits

  • Current code uses strlen of string to get the property data
    length, which is wrong for unicode string, also the whole
    property length also should be corrected(descriptor length
    minus head length, 142-10=132), detail data format of single
    GUID see below table:

    Table 4a: Microsoft Extended Properties Feature Descriptor
    ===================================================================
    Value | TYPE | Description
    ===================================================================
    0x8E, 0x00, 0x00, 0x00 | DWORD (LE) | Descriptor length
    | | (142 bytes)
    --------------------------------------------------------------------
    0x00, 0x01 | BCD WORD (LE) | Version ('1.0')
    --------------------------------------------------------------------
    0x05, 0x00 | WORD (LE) | Extended Property
    | | Descriptor index (5)
    --------------------------------------------------------------------
    0x01, 0x00 | WORD (LE) | Number of sections (1)
    --------------------------------------------------------------------
    0x84, 0x00, 0x00, 0x00 | DWORD (LE) | Size of the property
    | | section (132 bytes)
    --------------------------------------------------------------------
    0x01, 0x00, 0x00, 0x00 | DWORD (LE) | Property data type
    | | (1 = Unicode
    | | REG_SZ,
    | | see table below)
    --------------------------------------------------------------------
    0x28, 0x00 | WORD (LE) | Property name
    | | length (40 bytes)
    --------------------------------------------------------------------
    0x44, 0x00, 0x65, 0x00, | NUL-terminated | Property name
    (...) | Unicode String | "DeviceInterfaceGUID"
    0x74, 0x00, 0x00, 0x00 | (LE) |
    --------------------------------------------------------------------
    0x4e, 0x00, 0x00, 0x00 | DWORD (LE) | Property data
    | | length (78 bytes)
    --------------------------------------------------------------------
    0x7b, 0x00, 0x46, 0x00, | NUL-terminated | Property name
    (...) | Unicode String | "{xxxxxxxx-xxxx-
    0x7d, 0x00, 0x00, 0x00 | (LE) | xxxx-xxxx-
    | | xxxxxxxxxxxx}\0"
    --------------------------------------------------------------------

    Details of WCID see below link:
    https://github.com/pbatard/libwdi/wiki/WCID-Devices

    Reviewed-by: Ye Li
    Signed-off-by: Li Jun

    Li Jun
     
  • Fix coverity issue CID 5015449: Dereference before null check (REVERSE_INULL)
    check_after_deref: Null-checking mmc suggests that it may be null, but it has
    already been dereferenced on all paths leading to the check

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 1898965: Dereference null return value (NULL_RETURNS)
    dereference: Dereferencing a pointer that might be NULL dev_desc when calling
    write_backup_gpt_partitions

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3826473: Destination buffer too small (STRING_OVERFLOW)
    string_overflow: You might overrun the 16-character destination string buffer by
    writing 20 characters from

    The size of g_ptable->name is 20, but we use 16 bytes buffer for strcpy. It may
    cause buffer overflow.

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3606685: Structurally dead code (UNREACHABLE)
    unreachable: This code cannot be reached: return esdhc_getcd_common

    Should not return true directly, otherwise the esdhc_getcd_common is
    bypassed.

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3411367: Missing break in switch (MISSING_BREAK)
    unterminated_case: The case for value 1U is not terminated by a 'break' statement.

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3768406: Dereference null return value (NULL_RETURNS)
    dereference: Dereferencing a pointer that might be NULL gis_input when calling strcmp.

    The gis_input may returns NULL from env_get, need check it before strcmp.

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3261683: Wrong operator used (CONSTANT_EXPRESSION_RESULT)
    operator_confusion: ({...; __v;}) | 67108864 is always 1/true regardless of the values
    of its operand. This occurs as the logical operand of !

    When DIAG_X is set, the PHY COMINIT signal is detected, so should use '&' to check
    whether it is set.

    Signed-off-by: Ye Li

    Ye Li
     
  • Fix coverity issue CID 3606684: Resource leak (RESOURCE_LEAK)
    leaked_storage: Variable uc_priv going out of scope leaks the storage it points to

    Signed-off-by: Ye Li

    Ye Li
     

12 Nov, 2018

9 commits

  • The rollback index should be updated when avb verify pass
    and the slot has been marked as successful, update the
    rollback index also for those enabled dual bootloader
    feature.
    This commit also fix some configs condition issue so
    read/write rollback index with trusty will work.

    Test: rollback index updated successfully on
    imx7d_pico and AIY.

    Change-Id: I2344d6462249d8d88f0622d331cdeffc7e12f885
    Signed-off-by: Ji Luo

    Ji Luo
     
  • SHA256 hash of the entire verified software stack should be calculated
    and passed to 'trusty_set_boot_params'. This commit will calculate the
    SHA256 hash which represents spl.bin and bootloader.img, and then extend
    that hash with the hash of vbmeta image into the final VBH.

    Bug: 110905171

    Test: VBH is calculated and passed ok on AIY.

    Change-Id: Id83ad36f3de79bedd435ca8f26035a35cca66b07
    Signed-off-by: Ji Luo

    Ji Luo
     
  • Add support for fastboot variable 'at-vboot-state', it's composed
    by 6 sub-variable: 'bootloader-locked', 'bootloader-min-versions',
    'avb-perm-attr-set', 'avb-locked', 'avb-unlock-disabled' and
    'avb-min-versions'.

    Test: All 'at-vboot-state' variables are returned
    correctly on imx7d_pico and AIY.

    Change-Id: Ibb855cbcc7c41657af62dafb98a96c4dfb96ef22
    Signed-off-by: Ji Luo

    Ji Luo
     
  • Device will be locked permanently after disabling the unlcok vboot, store
    the disable unlock vboot status into fuse. Since the fuse write operation
    is irreversible so config 'CONFIG_AVB_FUSE' is disabled by default, user
    need to add this config manually and run this command again.

    Test: Disable unlock vboot bit is set after enabling "CONFIG_AVB_FUSE",
    device was locked permanently after running this command. This is
    verified on both imx7d_pico and AIY.

    Change-Id: Iad8991a238763b1d662e33cba65f0b9eb44e97ef
    Signed-off-by: Ji Luo

    Ji Luo
     
  • Supoort "fastboot oem at-lock-vboot" command for Android
    Things, this command can only be called after perm-attr
    have been fused.

    Test: build and boot ok on imx7d_pico and AIY.

    Change-Id: Ifcfeb2a38d88c5d12b46a1d9ea61b182ae2e7bcb
    Signed-off-by: Ji Luo

    Ji Luo
     
  • Add fastboot commands "fastboot oem at-get-vboot-unlock-challenge"
    and "fastboot oem at-unlock-vboot" to support the authenticated
    unlock feature for Android Things devices. Use software random
    numbers generator to generate the 16 bytes random challenge, it
    should be replaced with hardware encrypted random generator when
    the TEE part is ready.

    Test: Generate unlock challenge by:
    ./avbtool make_atx_unlock_credential
    --output=atx_unlock_credential.bin
    --intermediate_key_certificate=atx_pik_certificate.bin
    --unlock_key_certificate=atx_puk_certificate.bin
    --challenge=my_generated_challenge.bin
    --unlock_key=testkey_atx_puk.pem
    validated the unlock credential successfully on imx7d_pico
    and AIY.

    Change-Id: I4b8cee87c9e96924169479b65020a081136681f6
    Signed-off-by: Ji Luo

    Ji Luo
     
  • Per security requirement, attestation of keymaster
    supported by Trusty OS should support both P256
    and curve25519 algorithm for Diffie-Hellman.

    TEST: Works on AIY boards by below commands:
    $fastboot getvar at-attest-dh

    Change-Id: I3244f8d8b677222463b4e8fc75412e54dadeb23e
    Signed-off-by: Haoran.Wang

    Haoran.Wang
     
  • Flashing a signed vbmeta image adds extra
    parameters to the kernel command line, overflowing
    the buffer and corrupting the global data struct.
    Increase the command line buffer size from 512
    to 1024 to accomodate the extra data, and change
    the sprintf's to snprintf's to prevent this from
    happening if more parameters are added later.

    This bug was exposed by
    Idd55dde79eed793dccdd7319600fbd04e11ca12d.

    Bug: 112397808
    Test: Device boots with images from console and
    from local build.

    Change-Id: If73d04007d54193527e11e11c6ef326110e899b6

    Braden Kell
     
  • Change-Id: I5969217e400ab494f9a74662d1d228fcf2e2d465

    Leonid Lobachev
     

07 Nov, 2018

1 commit

  • When booting from NAND/SPINOR/WEIMNOR boot devices, the fastboot will
    print "unsupported boot device". This warning is used by android fastboot
    when setting its "bootcmd". Since android does not support these devices.
    so it gives the warning correctly.
    But for BSP normal boot, this warning will bring confuse to users. So
    change to check the "bootcmd" before giving such warning.

    Signed-off-by: Ye Li
    Reviewed-by: Peng Fan

    Ye Li
     

03 Nov, 2018

5 commits

  • Sometimes, SPL need to pass the trained FSP drate to ATF
    if DDR PHY bypass mode is not enabled. So add a fsp_table
    to pass these info to ATF. additionally, add more clock
    frequency point config to support for code reuse for i.MX8MQ.

    Signed-off-by: Bai Ping

    Bai Ping
     
  • On iMX8 platforms like 8QM/QXP, we must power up the USB PHY resource
    before accessing the PHY. However, current init flow access the USB PHY
    in ehci_mx6_common_init prior than ehci_usb_phy_mode where the PHY is power
    up.

    Fix the issue by adding ehci_get_usb_phy function to parse the PHY address
    from DTB and power up the PHY before ehci_mx6_common_init.

    Signed-off-by: Ye Li

    Ye Li
     
  • Type "ulong" will be 32 bits long on imx6/7 but we may have
    userdate partition more than 4G on 32 bits platforms. Use
    "uint64_t" instead of "ulong" here to fix this issue.

    Test: Get correct userdata partition size on both imx6dl
    and imx8qxp.

    Change-Id: Ia6b242f3998a65b157737e83da0ad3126b689713
    Signed-off-by: Ji Luo

    Ji Luo
     
  • When building mxc_spi driver on ARM64 platforms like iMX8MM, get
    such build warnings below. Fix it in this patch.

    In file included from include/common.h:48:0,
    from drivers/spi/mxc_spi.c:9:
    drivers/spi/mxc_spi.c: In function ‘spi_xchg_single’:
    drivers/spi/mxc_spi.c:232:21: warning: cast from pointer to integer of
    different size [-Wpointer-to-int-cast]
    _func_, bitlen, (u32)dout, (u32)din);
    ^
    include/log.h:135:26: note: in definition of macro ‘debug_cond’
    printf(pr_fmt(fmt), ##args); \
    ^~~~
    drivers/spi/mxc_spi.c:231:2: note: in expansion of macro ‘debug’
    debug("%s: bitlen %d dout 0x%x din 0x%x\n",
    ^~~~~
    drivers/spi/mxc_spi.c:232:32: warning: cast from pointer to integer of
    different size [-Wpointer-to-int-cast]
    _func_, bitlen, (u32)dout, (u32)din);
    ^
    include/log.h:135:26: note: in definition of macro ‘debug_cond’
    printf(pr_fmt(fmt), ##args); \
    ^~~~
    drivers/spi/mxc_spi.c:231:2: note: in expansion of macro ‘debug’
    debug("%s: bitlen %d dout 0x%x din 0x%x\n",
    ^~~~~

    Signed-off-by: Ye Li
    Reviewed-by: Peng Fan

    Ye Li
     
  • iMX8MM DDR3L validation board uses GD25LQ16, but its id is not in
    u-boot flash ids table. Add the new id and parameters into the table.

    Signed-off-by: Ye Li

    Ye Li
     

29 Oct, 2018

1 commit