Revert "riscv: qemu: clear kernel-start/-end in device tree as workaround for BBL"
The commit was added as a workaround required in QEMU when using BBL as
the supervisor binary interface (SBI) for Linux. We are now using
OpenSBI to provide the SBI, the workaround is therefore not required
anymore and can be removed.
This reverts commit 897206c5cc5c6ac0dc2ab851044e42baada3785b.
Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig
index 7ce1201..ad99b08 100644
--- a/board/emulation/qemu-riscv/Kconfig
+++ b/board/emulation/qemu-riscv/Kconfig
@@ -43,7 +43,6 @@
imply CMD_EXT4
imply CMD_FAT
imply BOARD_LATE_INIT
- imply OF_BOARD_SETUP
imply SIFIVE_SERIAL
imply SMP
imply PCI
diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c
index cbce5ff..c3f9698 100644
--- a/board/emulation/qemu-riscv/qemu-riscv.c
+++ b/board/emulation/qemu-riscv/qemu-riscv.c
@@ -52,45 +52,6 @@
return 0;
}
-/*
- * QEMU specifies the location of Linux (supplied with the -kernel argument)
- * in the device tree using the riscv,kernel-start and riscv,kernel-end
- * properties. We currently rely on the SBI implementation of BBL to run
- * Linux and therefore embed Linux as payload in BBL. This causes an issue,
- * because BBL detects the kernel properties in the device tree and ignores
- * the Linux payload as a result. To work around this issue, we clear the
- * kernel properties before booting Linux.
- *
- * This workaround can be removed, once we do not require BBL for its SBI
- * implementation anymore.
- */
-int ft_board_setup(void *blob, bd_t *bd)
-{
- int chosen_offset, ret;
-
- chosen_offset = fdt_path_offset(blob, "/chosen");
- if (chosen_offset < 0)
- return 0;
-
-#ifdef CONFIG_ARCH_RV64I
- ret = fdt_setprop_u64(blob, chosen_offset, "riscv,kernel-start", 0);
-#else
- ret = fdt_setprop_u32(blob, chosen_offset, "riscv,kernel-start", 0);
-#endif
- if (ret)
- return ret;
-
-#ifdef CONFIG_ARCH_RV64I
- ret = fdt_setprop_u64(blob, chosen_offset, "riscv,kernel-end", 0);
-#else
- ret = fdt_setprop_u32(blob, chosen_offset, "riscv,kernel-end", 0);
-#endif
- if (ret)
- return ret;
-
- return 0;
-}
-
#ifdef CONFIG_SPL
u32 spl_boot_device(void)
{