[PATCH 3/4] configs: milkv_duo_defconfig: Add initial config

[Kongyang Liu]

Add basic config for Milk-V Duo board which make it capable of booting into
serial console.

Signed-off-by: Kongyang Liu <seashell11234455 at gmail.com>
---

 configs/milkv_duo_defconfig | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 configs/milkv_duo_defconfig

diff --git a/configs/milkv_duo_defconfig b/configs/milkv_duo_defconfig
new file mode 100644
index 0000000000..c4782639ef
--- /dev/null
+++ b/configs/milkv_duo_defconfig
@@ -0,0 +1,24 @@
+CONFIG_RISCV=y
+CONFIG_SYS_MALLOC_LEN=0x820000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x82300000
+CONFIG_DEFAULT_DEVICE_TREE="cv1800b-milkv-duo"
+CONFIG_IDENT_STRING="milkv_duo"
+CONFIG_SYS_LOAD_ADDR=0x80080000
+CONFIG_TARGET_MILKV_DUO=y
+CONFIG_ARCH_RV64I=y
+CONFIG_RISCV_SMODE=y
+CONFIG_FIT=y
+CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="milkv_duo# "
+CONFIG_SYS_MAXARGS=64
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=544
+CONFIG_SYS_BOOTM_LEN=0x4000000
+CONFIG_ENV_OVERWRITE=y
+CONFIG_SYS_NS16550=y
+CONFIG_SYS_NS16550_MEM32=y
+# CONFIG_EFI_LOADER is not set
-- 
2.41.0