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124 lines
5.5 KiB
ReStructuredText
124 lines
5.5 KiB
ReStructuredText
Xilinx Versal
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=============
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Trusted Firmware-A implements the EL3 firmware layer for Xilinx Versal.
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The platform only uses the runtime part of TF-A as Xilinx Versal already has a
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BootROM (BL1) and PMC FW (BL2).
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BL31 is TF-A.
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BL32 is an optional Secure Payload.
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BL33 is the non-secure world software (U-Boot, Linux etc).
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To build:
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```bash
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make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal bl31
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```
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To build bl32 TSP you have to rebuild bl31 too
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```bash
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make CROSS_COMPILE=aarch64-none-elf- PLAT=versal SPD=tspd RESET_TO_BL31=1 bl31 bl32
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```
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To build TF-A for JTAG DCC console
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```bash
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make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal bl31 VERSAL_CONSOLE=dcc
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```
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To build TF-A with Errata management interface
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```bash
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make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal bl31 ERRATA_ABI_SUPPORT=1
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```
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To build TF-A with Straight-Line Speculation(SLS)
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```bash
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make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal bl31 HARDEN_SLS_ALL=1
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```
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Xilinx Versal platform specific build options
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---------------------------------------------
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* `VERSAL_ATF_MEM_BASE`: Specifies the base address of the bl31 binary.
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* `VERSAL_ATF_MEM_SIZE`: Specifies the size of the memory region of the bl31 binary.
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* `VERSAL_BL32_MEM_BASE`: Specifies the base address of the bl32 binary.
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* `VERSAL_BL32_MEM_SIZE`: Specifies the size of the memory region of the bl32 binary.
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* `VERSAL_CONSOLE`: Select the console driver. Options:
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- `pl011`, `pl011_0`: ARM pl011 UART 0
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- `pl011_1` : ARM pl011 UART 1
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* `CPU_PWRDWN_SGI`: Select the SGI for triggering CPU power down request to
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secondary cores on receiving power down callback from
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firmware. Options:
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- `0` : SGI 0
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- `1` : SGI 1
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- `2` : SGI 2
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- `3` : SGI 3
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- `4` : SGI 4
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- `5` : SGI 5
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- `6` : SGI 6 (Default)
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- `7` : SGI 7
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# PLM->TF-A Parameter Passing
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------------------------------
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The PLM populates a data structure with image information for the TF-A. The TF-A
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uses that data to hand off to the loaded images. The address of the handoff
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data structure is passed in the ```PMC_GLOBAL_GLOB_GEN_STORAGE4``` register.
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The register is free to be used by other software once the TF-A is bringing up
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further firmware images.
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Reference DEN0028E SMC calling convention
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------------------------------------------
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Allocated subranges of Function Identifier to SIP services
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----------------------------------------------------------
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+-----------------------+-------------------------------------------------------+
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| SMC Function | Identifier Service type |
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+-----------------------+-------------------------------------------------------+
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| 0xC2000000-0xC200FFFF | Fast SMC64 SiP Service Calls as per SMCCC Section 6.1 |
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+-----------------------+-------------------------------------------------------+
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IPI SMC call ranges
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-------------------
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+---------------------------+-----------------------------------------------------------+
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| SMC Function Identifier | Service type |
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+---------------------------+-----------------------------------------------------------+
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| 0xc2001000-0xc2001FFF | Fast SMC64 SiP Service call range used for AMD-Xilinx IPI |
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+---------------------------+-----------------------------------------------------------+
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PM SMC call ranges for SiP SVC version 0.1
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--------------------------------------------------------
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+---------------------------+---------------------------------------------------------------------------+
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| SMC Function Identifier | Service type |
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+---------------------------+---------------------------------------------------------------------------+
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| 0xc2000000-0xc2000FFF | Fast SMC64 SiP Service call range used for AMD-Xilinx Platform Management |
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+---------------------------+---------------------------------------------------------------------------+
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PM SMC call ranges for SiP SVC version 0.2
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--------------------------------------------------------
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+---------------------------+---------------------------------------------------------------------------+
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| SMC Function Identifier | Service type |
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+---------------------------+---------------------------------------------------------------------------+
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| 0xc2000FFF | Fast SMC64 SiP Service call used for pass-through of AMD-Xilinx Platform |
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| | Management APIs to firmware |
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+---------------------------+---------------------------------------------------------------------------+
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| 0xc2000A00-0xc2000AFF | Fast SMC64 SiP Service call range used for AMD-Xilinx Platform Management |
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| | specific TF-A APIs |
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+---------------------------+---------------------------------------------------------------------------+
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SMC function IDs for SiP Service queries
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----------------------------------------
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+--------------+--------------+--------------+
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| Service | Call UID | Revision |
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+--------------+--------------+--------------+
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| SiP Service | 0x8200_FF01 | 0x8200_FF03 |
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+--------------+--------------+--------------+
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Call UID Query – Returns a unique identifier of the service provider.
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Revision Query – Returns revision details of the service implementor.
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