QEMU provides a device tree, which is passed to u-boot using register a1. We are now able to directly select the device tree with the configuration CONFIG_OF_PRIOR_STAGE. Replace the hard-coded address in qemu-riscv with it.
Signed-off-by: Lukas Auer lukas.auer@aisec.fraunhofer.de ---
board/emulation/qemu-riscv/qemu-riscv.c | 11 ----------- configs/qemu-riscv32_defconfig | 2 +- configs/qemu-riscv64_defconfig | 2 +- 3 files changed, 2 insertions(+), 13 deletions(-)
diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index 041e716c9b..a7dc1d847e 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -6,18 +6,7 @@ #include <common.h> #include <fdtdec.h>
-#define MROM_FDT_ADDR 0x1020 - int board_init(void) { return 0; } - -void *board_fdt_blob_setup(void) -{ - /* - * QEMU loads a generated DTB for us immediately - * after the reset vectors in the MROM - */ - return (void *)MROM_FDT_ADDR; -} diff --git a/configs/qemu-riscv32_defconfig b/configs/qemu-riscv32_defconfig index ff1fb1f30e..72c54a3dd5 100644 --- a/configs/qemu-riscv32_defconfig +++ b/configs/qemu-riscv32_defconfig @@ -3,4 +3,4 @@ CONFIG_TARGET_QEMU_VIRT=y CONFIG_NR_DRAM_BANKS=1 CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y -CONFIG_OF_BOARD=y +CONFIG_OF_PRIOR_STAGE=y diff --git a/configs/qemu-riscv64_defconfig b/configs/qemu-riscv64_defconfig index 60b647efe8..44766c38f6 100644 --- a/configs/qemu-riscv64_defconfig +++ b/configs/qemu-riscv64_defconfig @@ -4,4 +4,4 @@ CONFIG_ARCH_RV64I=y CONFIG_NR_DRAM_BANKS=1 CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y -CONFIG_OF_BOARD=y +CONFIG_OF_PRIOR_STAGE=y