[PATCH v2 09/38] ppc: qemu: Enable OF_CONTROL
Bin Meng
bmeng.cn at gmail.com
Thu Feb 18 16:57:37 CET 2021
The QEMU ppce500 machine generates a device tree blob and passes
it to U-Boot during boot. Let's enable OF_CONTROL with OF_BOARD
and provide board_fdt_blob_setup() in the board codes.
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
(no changes since v1)
board/freescale/qemu-ppce500/qemu-ppce500.c | 10 ++++++++++
configs/qemu-ppce500_defconfig | 3 ++-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/board/freescale/qemu-ppce500/qemu-ppce500.c b/board/freescale/qemu-ppce500/qemu-ppce500.c
index 4719d98..50167d5 100644
--- a/board/freescale/qemu-ppce500/qemu-ppce500.c
+++ b/board/freescale/qemu-ppce500/qemu-ppce500.c
@@ -364,3 +364,13 @@ u32 cpu_mask(void)
{
return (1 << cpu_numcores()) - 1;
}
+
+/**
+ * Return the virtual address of FDT that was passed by QEMU
+ *
+ * @return virtual address of FDT received from QEMU in r3 register
+ */
+void *board_fdt_blob_setup(void)
+{
+ return get_fdt_virt();
+}
diff --git a/configs/qemu-ppce500_defconfig b/configs/qemu-ppce500_defconfig
index 25fcd41..4522e18 100644
--- a/configs/qemu-ppce500_defconfig
+++ b/configs/qemu-ppce500_defconfig
@@ -22,6 +22,8 @@ CONFIG_CMD_PING=y
# CONFIG_CMD_HASH is not set
CONFIG_CMD_EXT2=y
CONFIG_DOS_PARTITION=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_BOARD=y
CONFIG_ENV_OVERWRITE=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
# CONFIG_MMC is not set
@@ -29,4 +31,3 @@ CONFIG_E1000=y
CONFIG_SYS_NS16550=y
CONFIG_ADDR_MAP=y
CONFIG_PANIC_HANG=y
-CONFIG_OF_LIBFDT=y
--
2.7.4
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