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docs/platform: sifive_fu540: Update U-Boot defconfig name

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With latest U-Boot upstream (v2021.07 in development), the defconfig
name has been changed to sifive_unleashed_defconfig. Update the doc.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Bin Meng 2021-04-21 12:20:04 +08:00 • committed by Anup Patel
parent e9a27ab8ea
commit 632e27bb91
1 changed files with 6 additions and 5 deletions
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11
docs/platform/sifive_fu540.md
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@ -42,7 +42,7 @@ make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<linux_build_directory>/arch/riscv/bo
The command-line example here assumes that U-Boot was compiled using the
sifive_fu540_defconfig configuration and with U-Boot v2020.01, and up to
v2020.07-rc3.
v2021.04. sifive_unleashed_defconfig shall be used with v2021.07 or above.
```
make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<u-boot_build_dir>/u-boot-dtb.bin
@ -153,11 +153,12 @@ This is because QEMU generates a device tree blob on the fly based on the
command line parameters and it's compatible with the one used in the upstream
Linux kernel.
When U-Boot v2020.01 (or higher) is used as the payload, as the SiFive FU540
When U-Boot v2021.07 (or higher) is used as the payload, as the SiFive FU540
DTB for the real hardware is embedded in U-Boot binary itself, due to the same
reason above, we need to switch the U-Boot sifive_fu540_defconfig configuration
from **CONFIG_OF_SEPARATE** to **CONFIG_OF_PRIOR_STAGE** so that U-Boot uses the
DTB generated by QEMU, and u-boot.bin should be used as the payload image, like:
reason above, we need to switch the U-Boot sifive_unleashed_defconfig
configuration from **CONFIG_OF_SEPARATE** to **CONFIG_OF_PRIOR_STAGE** so that
U-Boot uses the DTB generated by QEMU, and u-boot.bin should be used as the
payload image, like:
```
make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<u-boot_build_dir>/u-boot.bin