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| -rw-r--r-- | docs/plat/nxp/nxp-ls-fuse-prov.rst | 271 |
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diff --git a/docs/plat/nxp/nxp-ls-fuse-prov.rst b/docs/plat/nxp/nxp-ls-fuse-prov.rst new file mode 100644 index 0000000..64e1c6f --- /dev/null +++ b/docs/plat/nxp/nxp-ls-fuse-prov.rst @@ -0,0 +1,271 @@ + +Steps to blow fuses on NXP LS SoC: +================================== + + +- Enable POVDD + -- Refer board GSG(Getting Started Guide) for the steps to enable POVDD. + -- Once the POVDD is enabled, make sure to set variable POVDD_ENABLE := yes, in the platform.mk. + ++---+-----------------+-----------+------------+-----------------+-----------------------------+ +| | Platform | Jumper | Switch | LED to Verify | Through GPIO Pin (=number) | ++===+=================+===========+============+=================+=============================+ +| 1.| lx2160ardb | J9 | | | no | ++---+-----------------+-----------+------------+-----------------+-----------------------------+ +| 2.| lx2160aqds | J35 | | | no | ++---+-----------------+-----------+------------+-----------------+-----------------------------+ +| 3.| lx2162aqds | J35 | SW9[4] = 1 | D15 | no | ++---+-----------------+-----------+------------+-----------------+-----------------------------+ + +- SFP registers to be written to: + ++---+----------------------------------+----------------------+----------------------+ +| | Platform | OTPMKR0..OTPMKR7 | SRKHR0..SRKHR7 | ++===+==================================+======================+======================+ +| 1.| lx2160ardb/lx2160aqds/lx2162aqds | 0x1e80234..0x1e80250 | 0x1e80254..0x1e80270 | ++---+----------------------------------+----------------------+----------------------+ + +- At U-Boot prompt, verify that SNVS register - HPSR, whether OTPMK was written, already: + ++---+----------------------------------+-------------------------------------------+---------------+ +| | Platform | OTPMK_ZERO_BIT(=value) | SNVS_HPSR_REG | ++===+==================================+===========================================+===============+ +| 1.| lx2160ardb/lx2160aqds/lx2162aqds | 27 (= 1 means not blown, =0 means blown) | 0x01E90014 | ++---+----------------------------------+-------------------------------------------+---------------+ + +From u-boot prompt: + + -- Check for the OTPMK. + .. code:: shell + + md $SNVS_HPSR_REG + + Command Output: + 01e90014: 88000900 + + In case it is read as 00000000, then read this register using jtag (in development mode only through CW tap). + +0 +4 +8 +C + [0x01E90014] 88000900 + + Note: OTPMK_ZERO_BIT is 1, indicating that the OTPMK is not blown. + + -- Check for the SRK Hash. + .. code:: shell + + md $SRKHR0 0x10 + + Command Output: + 01e80254: 00000000 00000000 00000000 00000000 ................ + 01e80264: 00000000 00000000 00000000 00000000 ................ + + Note: Zero means that SRK hash is not blown. + +- If not blown, then from the U-Boot prompt, using following commands: + -- Provision the OTPMK. + + .. code:: shell + + mw.l $OTPMKR0 <OTMPKR_0_32Bit_val> + mw.l $OTPMKR1 <OTMPKR_1_32Bit_val> + mw.l $OTPMKR2 <OTMPKR_2_32Bit_val> + mw.l $OTPMKR3 <OTMPKR_3_32Bit_val> + mw.l $OTPMKR4 <OTMPKR_4_32Bit_val> + mw.l $OTPMKR5 <OTMPKR_5_32Bit_val> + mw.l $OTPMKR6 <OTMPKR_6_32Bit_val> + mw.l $OTPMKR7 <OTMPKR_7_32Bit_val> + + -- Provision the SRK Hash. + + .. code:: shell + + mw.l $SRKHR0 <SRKHR_0_32Bit_val> + mw.l $SRKHR1 <SRKHR_1_32Bit_val> + mw.l $SRKHR2 <SRKHR_2_32Bit_val> + mw.l $SRKHR3 <SRKHR_3_32Bit_val> + mw.l $SRKHR4 <SRKHR_4_32Bit_val> + mw.l $SRKHR5 <SRKHR_5_32Bit_val> + mw.l $SRKHR6 <SRKHR_6_32Bit_val> + mw.l $SRKHR7 <SRKHR_7_32Bit_val> + + Note: SRK Hash should be carefully written keeping in mind the SFP Block Endianness. + +- At U-Boot prompt, verify that SNVS registers for OTPMK are correctly written: + + -- Check for the OTPMK. + .. code:: shell + + md $SNVS_HPSR_REG + + Command Output: + 01e90014: 80000900 + + OTPMK_ZERO_BIT is zero, indicating that the OTPMK is blown. + + Note: In case it is read as 00000000, then read this register using jtag (in development mode only through CW tap). + + .. code:: shell + + md $OTPMKR0 0x10 + + Command Output: + 01e80234: ffffffff ffffffff ffffffff ffffffff ................ + 01e80244: ffffffff ffffffff ffffffff ffffffff ................ + + Note: OTPMK will never be visible in plain. + + -- Check for the SRK Hash. For example, if following SRK hash is written: + + SFP SRKHR0 = fdc2fed4 + SFP SRKHR1 = 317f569e + SFP SRKHR2 = 1828425c + SFP SRKHR3 = e87b5cfd + SFP SRKHR4 = 34beab8f + SFP SRKHR5 = df792a70 + SFP SRKHR6 = 2dff85e1 + SFP SRKHR7 = 32a29687, + + then following would be the value on dumping SRK hash. + + .. code:: shell + + md $SRKHR0 0x10 + + Command Output: + 01e80254: d4fec2fd 9e567f31 5c422818 fd5c7be8 ....1.V..(B\.{\. + 01e80264: 8fabbe34 702a79df e185ff2d 8796a232 4....y*p-...2... + + Note: SRK Hash is visible in plain based on the SFP Block Endianness. + +- Caution: Donot proceed to the next step, until you are sure that OTPMK and SRKH are correctly blown from above steps. + -- After the next step, there is no turning back. + -- Fuses will be burnt, which cannot be undo. + +- Write SFP_INGR[INST] with the PROGFB(0x2) instruction to blow the fuses. + -- User need to save the SRK key pair and OTPMK Key forever, to continue using this board. + ++---+----------------------------------+-------------------------------------------+-----------+ +| | Platform | SFP_INGR_REG | SFP_WRITE_DATE_FRM_MIRROR_REG_TO_FUSE | ++===+==================================+=======================================================+ +| 1.| lx2160ardb/lx2160aqds/lx2162aqds | 0x01E80020 | 0x2 | ++---+----------------------------------+--------------+----------------------------------------+ + + .. code:: shell + + md $SFP_INGR_REG $SFP_WRITE_DATE_FRM_MIRROR_REG_TO_FUSE + +- On reset, if the SFP register were read from u-boot, it will show the following: + -- Check for the OTPMK. + + .. code:: shell + + md $SNVS_HPSR_REG + + Command Output: + 01e90014: 80000900 + + In case it is read as 00000000, then read this register using jtag (in development mode only through CW tap). + +0 +4 +8 +C + [0x01E90014] 80000900 + + Note: OTPMK_ZERO_BIT is zero, indicating that the OTPMK is blown. + + .. code:: shell + + md $OTPMKR0 0x10 + + Command Output: + 01e80234: ffffffff ffffffff ffffffff ffffffff ................ + 01e80244: ffffffff ffffffff ffffffff ffffffff ................ + + Note: OTPMK will never be visible in plain. + + -- SRK Hash + + .. code:: shell + + md $SRKHR0 0x10 + + Command Output: + 01e80254: d4fec2fd 9e567f31 5c422818 fd5c7be8 ....1.V..(B\.{\. + 01e80264: 8fabbe34 702a79df e185ff2d 8796a232 4....y*p-...2... + + Note: SRK Hash is visible in plain based on the SFP Block Endianness. + +Second method to do the fuse provsioning: +========================================= + +This method is used for quick way to provision fuses. +Typically used by those who needs to provision number of boards. + +- Enable POVDD: + -- Refer the table above to enable POVDD. + + Note: If GPIO Pin supports enabling POVDD, it can be done through the below input_fuse_file. + + -- Once the POVDD is enabled, make sure to set variable POVDD_ENABLE := yes, in the platform.mk. + +- User need to populate the "input_fuse_file", corresponding to the platform for: + + -- OTPMK + -- SRKH + + Table of fuse provisioning input file for every supported platform: + ++---+----------------------------------+-----------------------------------------------------------------+ +| | Platform | FUSE_PROV_FILE | ++===+==================================+=================================================================+ +| 1.| lx2160ardb/lx2160aqds/lx2162aqds | ${CST_DIR}/input_files/gen_fusescr/ls2088_1088/input_fuse_file | ++---+----------------------------------+--------------+--------------------------------------------------+ + +- Create the TF-A binary with FUSE_PROG=1. + + .. code:: shell + + make PLAT=$PLAT FUSE_PROG=1\ + BOOT_MODE=<platform_supported_boot_mode> \ + RCW=$RCW_BIN \ + BL32=$TEE_BIN SPD=opteed\ + BL33=$UBOOT_SECURE_BIN \ + pbl \ + fip \ + fip_fuse \ + FUSE_PROV_FILE=../../apps/security/cst/input_files/gen_fusescr/ls2088_1088/input_fuse_file + +- Deployment: + -- Refer the nxp-layerscape.rst for deploying TF-A images. + -- Deploying fip_fuse.bin: + + For Flexspi-Nor: + + .. code:: shell + + tftp 82000000 $path/fuse_fip.bin; + i2c mw 66 50 20;sf probe 0:0; sf erase 0x880000 +$filesize; sf write 0x82000000 0x880000 $filesize; + + For SD or eMMC [file_size_in_block_sizeof_512 = (Size_of_bytes_tftp / 512)]: + + .. code:: shell + + tftp 82000000 $path/fuse_fip.bin; + mmc write 82000000 0x4408 <file_size_in_block_sizeof_512>; + +- Valiation: + ++---+----------------------------------+---------------------------------------------------+ +| | Platform | Error_Register | Error_Register_Address | ++===+==================================+===================================================+ +| 1.| lx2160ardb/lx2160aqds/lx2162aqds | DCFG scratch 4 register | 0x01EE020C | ++---+----------------------------------+---------------------------------------------------+ + + At the U-Boot prompt, check DCFG scratch 4 register for any error. + + .. code:: shell + + md $Error_Register_Address 1 + + Command Ouput: + 01ee020c: 00000000 + + Note: + - 0x00000000 shows no error, then fuse provisioning is successful. + - For non-zero value, refer the code header file ".../drivers/nxp/sfp/sfp_error_codes.h" |