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Diffstat (limited to 'board/powkiddy/x55/x55.c')
-rw-r--r--board/powkiddy/x55/x55.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/board/powkiddy/x55/x55.c b/board/powkiddy/x55/x55.c
new file mode 100644
index 00000000000..b2703e6382d
--- /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;
+}