board: rockchip: add Powkiddy X55
The Powkiddy X55 is a Rockchip RK3566 based handheld gaming device.
UART, ADC, eMMC, and SDMMC are tested to work in U-Boot and this
successfully boots mainline Linux.
Kernel commit:
e99adc97e21a ("arm64: dts: rockchip: Add Powkiddy X55")
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/powkiddy/x55/Kconfig b/board/powkiddy/x55/Kconfig
new file mode 100644
index 0000000..a7b3ed4
--- /dev/null
+++ b/board/powkiddy/x55/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_POWKIDDY_X55_RK3566
+
+config SYS_BOARD
+ default "x55"
+
+config SYS_VENDOR
+ default "powkiddy"
+
+config SYS_CONFIG_NAME
+ default "powkiddy-x55-rk3566"
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+
+endif
diff --git a/board/powkiddy/x55/MAINTAINERS b/board/powkiddy/x55/MAINTAINERS
new file mode 100644
index 0000000..01ae8da
--- /dev/null
+++ b/board/powkiddy/x55/MAINTAINERS
@@ -0,0 +1,7 @@
+X55
+M: Chris Morgan <macromorgan@hotmail.com>
+S: Maintained
+F: board/powkiddy/x55
+F: include/configs/powkiddy-x55-rk3566.h
+F: configs/powkiddy-x55-rk3566_defconfig
+F: arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi
diff --git a/board/powkiddy/x55/Makefile b/board/powkiddy/x55/Makefile
new file mode 100644
index 0000000..55c8c16
--- /dev/null
+++ b/board/powkiddy/x55/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2023 Chris Morgan <macromorgan@hotmail.com>
+#
+
+obj-y += x55.o
diff --git a/board/powkiddy/x55/x55.c b/board/powkiddy/x55/x55.c
new file mode 100644
index 0000000..b2703e6
--- /dev/null
+++ b/board/powkiddy/x55/x55.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Chris Morgan <macromorgan@hotmail.com>
+ */
+
+#include <asm/io.h>
+
+#define GPIO4_BASE 0xfe770000
+#define GPIO_SWPORT_DR_L 0x0000
+#define GPIO_SWPORT_DDR_L 0x0008
+#define GPIO_B4 BIT(12)
+#define GPIO_B5 BIT(13)
+#define GPIO_B6 BIT(14)
+
+#define GPIO_WRITEMASK(bits) ((bits) << 16)
+
+/*
+ * Start LED very early so user knows device is on. Set color
+ * to red.
+ */
+void spl_board_init(void)
+{
+ /* Set GPIO4_B4, GPIO4_B5, and GPIO4_B6 to output. */
+ writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | \
+ (GPIO_B6 | GPIO_B5 | GPIO_B4),
+ (GPIO4_BASE + GPIO_SWPORT_DDR_L));
+ /* Set GPIO4_B5 and GPIO4_B6 to 0 and GPIO4_B4 to 1. */
+ writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B4,
+ (GPIO4_BASE + GPIO_SWPORT_DR_L));
+}
+
+int rk_board_late_init(void)
+{
+ /* Turn off red LED and turn on orange LED. */
+ writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B6,
+ (GPIO4_BASE + GPIO_SWPORT_DR_L));
+
+ return 0;
+}