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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 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 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 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 command line parameters and it's compatible with the one used in the upstream
Linux kernel. 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 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 reason above, we need to switch the U-Boot sifive_unleashed_defconfig
from **CONFIG_OF_SEPARATE** to **CONFIG_OF_PRIOR_STAGE** so that U-Boot uses the configuration from **CONFIG_OF_SEPARATE** to **CONFIG_OF_PRIOR_STAGE** so that
DTB generated by QEMU, and u-boot.bin should be used as the payload image, like: 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 make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<u-boot_build_dir>/u-boot.bin