spacemit: k1: support multi-board infrastructure

Restructure K1 SoC support to handle multiple boards through a single
configuration:

1. Rename bananapi-f3_defconfig to spacemit_k1_defconfig.
2. Move all K1 board files to board/spacemit/k1/.
3. Replace TARGET_BANANAPI_F3 with TARGET_SPACEMIT_K1 and rename the
   board's <board>.h header to k1.h.

Eliminates the need for board-specific defconfigs while maintaining
hardware compatibility.

Signed-off-by: Raymond Mao <[email protected]>
Signed-off-by: Guodong Xu <[email protected]>
Link: https://patch.msgid.link/[email protected]
Tested-by: Songsong Zhang <[email protected]>

9 files changed, 15 insertions, 11 deletions

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index ad7589123c6..485067ed266 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -14,9 +14,6 @@ config TARGET_ANDES_AE350
 config TARGET_ANDES_VOYAGER
 	bool "Support Andes Voyager Board"
 
-config TARGET_BANANAPI_F3
-	bool "Support BananaPi F3 Board"
-
 config TARGET_BEAGLEBOARD_BEAGLEVFIRE
 	bool "Support BeagleBoard BeagleV-Fire Board (based on Microchip MPFS)"
 
@@ -50,6 +47,9 @@ config TARGET_SIPEED_MAIX
 	bool "Support Sipeed Maix Board"
 	select SYS_CACHE_SHIFT_6
 
+config TARGET_SPACEMIT_K1
+	bool "Support Spacemit K1 SoC"
+
 config TARGET_STARFIVE_VISIONFIVE2
 	bool "Support StarFive VisionFive2 Board"
 	select BOARD_LATE_INIT
@@ -119,7 +119,7 @@ source "board/sifive/unmatched/Kconfig"
 source "board/sipeed/maix/Kconfig"
 source "board/sophgo/milkv_duo/Kconfig"
 source "board/sophgo/licheerv_nano/Kconfig"
-source "board/spacemit/bananapi-f3/Kconfig"
+source "board/spacemit/k1/Kconfig"
 source "board/starfive/visionfive2/Kconfig"
 source "board/thead/th1520_lpi4a/Kconfig"
 source "board/xilinx/mbv/Kconfig"
diff --git a/arch/riscv/cpu/k1/Kconfig b/arch/riscv/cpu/k1/Kconfig
index 14201df80f2..3701bf2b5da 100644
--- a/arch/riscv/cpu/k1/Kconfig
+++ b/arch/riscv/cpu/k1/Kconfig
@@ -2,6 +2,8 @@
 #
 # Copyright (C) 2024, Kongyang Liu <[email protected]>
 
+if TARGET_SPACEMIT_K1
+
 config SPACEMIT_K1
 	bool
 	select BINMAN
@@ -17,3 +19,5 @@ config SPACEMIT_K1
 	imply SPL_CPU
 	imply SPL_OPENSBI
 	imply SPL_LOAD_FIT
+
+endif
diff --git a/board/spacemit/bananapi-f3/Kconfig b/board/spacemit/k1/Kconfig
index f89fa9af2c7..1c615f89b64 100644
--- a/board/spacemit/bananapi-f3/Kconfig
+++ b/board/spacemit/k1/Kconfig
@@ -1,7 +1,7 @@
-if TARGET_BANANAPI_F3
+if TARGET_SPACEMIT_K1
 
 config SYS_BOARD
-	default "bananapi-f3"
+	default "k1"
 
 config SYS_VENDOR
 	default "spacemit"
@@ -10,7 +10,7 @@ config SYS_CPU
 	default "k1"
 
 config SYS_CONFIG_NAME
-	default "bananapi-f3"
+	default "k1"
 
 config TEXT_BASE
 	default 0x00200000
diff --git a/board/spacemit/bananapi-f3/MAINTAINERS b/board/spacemit/k1/MAINTAINERS
index 131bad03181..b256cbe7978 100644
--- a/board/spacemit/bananapi-f3/MAINTAINERS
+++ b/board/spacemit/k1/MAINTAINERS
@@ -1,6 +1,6 @@
 BananaPi F3
 M:	Huan Zhou <pericycle.cc@@gmail.com>
 S:	Maintained
-F:	board/spacemit/bananapi-f3/
-F:	configs/bananapi-f3_defconfig
+F:	board/spacemit/k1/
+F:	configs/spacemit_k1_defconfig
 F:	doc/board/spacemit/bananapi-f3.rst
diff --git a/board/spacemit/bananapi-f3/Makefile b/board/spacemit/k1/Makefile
index 2168698402b..2168698402b 100644
--- a/board/spacemit/bananapi-f3/Makefile
+++ b/board/spacemit/k1/Makefile
diff --git a/board/spacemit/bananapi-f3/board.c b/board/spacemit/k1/board.c
index ea416621544..ea416621544 100644
--- a/board/spacemit/bananapi-f3/board.c
+++ b/board/spacemit/k1/board.c
diff --git a/configs/bananapi-f3_defconfig b/configs/spacemit_k1_defconfig
index adecbee10f2..fae561bbf8a 100644
--- a/configs/bananapi-f3_defconfig
+++ b/configs/spacemit_k1_defconfig
@@ -6,7 +6,7 @@ CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x1000000
 CONFIG_DEFAULT_DEVICE_TREE="spacemit/k1-bananapi-f3"
 CONFIG_SYS_BOOTM_LEN=0xa000000
 CONFIG_SYS_LOAD_ADDR=0x200000
-CONFIG_TARGET_BANANAPI_F3=y
+CONFIG_TARGET_SPACEMIT_K1=y
 CONFIG_ARCH_RV64I=y
 CONFIG_RISCV_SMODE=y
 CONFIG_FIT=y
diff --git a/doc/board/spacemit/bananapi-f3.rst b/doc/board/spacemit/bananapi-f3.rst
index f2220950a3a..1ece2ce9d02 100644
--- a/doc/board/spacemit/bananapi-f3.rst
+++ b/doc/board/spacemit/bananapi-f3.rst
@@ -29,7 +29,7 @@ built for SpacemiT K1 SoC as below:
 .. code-block:: console
 
    cd <U-Boot-dir>
-   make bananapi-f3_defconfig
+   make spacemit_k1_defconfig
    make OPENSBI=<OpenSBI-dir>/build/platform/generic/firmware/fw_dynamic.bin
 
 This will generate u-boot.itb
diff --git a/include/configs/bananapi-f3.h b/include/configs/k1.h
index 97cf4d72df0..97cf4d72df0 100644
--- a/include/configs/bananapi-f3.h
+++ b/include/configs/k1.h