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Add support for JTAG Debug Communication Channel(DCC), using the dcc console driver, for Versal NET platform. UART0/UART1 is not configured when the JTAG DCC is used as console for the platform. Though DCC is not using any UART, VERSAL_NET_UART_BASE needs to be defined in the platform code. If its not defined, build errors are observed. Now VERSAL_NET_UART_BASE by default points to UART0 base. Check for valid console(pl011, pl011_0, pl011_1, dcc) is being done in the platform makefile, the error condition in setting the value of VERSAL_NET_UART_BASE is redundant, thus the error message is removed from the code. Change-Id: I1085433055abea13526230cff4d4183ff7a01477 Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
37 lines
1.4 KiB
ReStructuredText
37 lines
1.4 KiB
ReStructuredText
Xilinx Versal NET
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=================
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Trusted Firmware-A implements the EL3 firmware layer for Xilinx Versal NET.
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The platform only uses the runtime part of TF-A as Xilinx Versal NET already
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has a 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_net bl31
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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_net VERSAL_NET_CONSOLE=dcc bl31
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```
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Xilinx Versal NET platform specific build options
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-------------------------------------------------
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* `VERSAL_NET_ATF_MEM_BASE`: Specifies the base address of the bl31 binary.
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* `VERSAL_NET_ATF_MEM_SIZE`: Specifies the size of the memory region of the bl31 binary.
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* `VERSAL_NET_BL32_MEM_BASE`: Specifies the base address of the bl32 binary.
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* `VERSAL_NET_BL32_MEM_SIZE`: Specifies the size of the memory region of the bl32 binary.
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* `VERSAL_NET_CONSOLE`: Select the console driver. Options:
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- `pl011`, `pl011_0`: ARM pl011 UART 0 (default)
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- `pl011_1` : ARM pl011 UART 1
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- `dcc` : JTAG Debug Communication Channel(DCC)
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* `TFA_NO_PM` : Platform Management support.
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- 0 : Enable Platform Management (Default)
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- 1 : Disable Platform Management
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