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Diffstat (limited to 'target/linux/ar71xx/image/lzma-loader/src/board.c')
-rw-r--r--target/linux/ar71xx/image/lzma-loader/src/board.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/ar71xx/image/lzma-loader/src/board.c b/target/linux/ar71xx/image/lzma-loader/src/board.c
new file mode 100644
index 0000000000..f1f97442f5
--- /dev/null
+++ b/target/linux/ar71xx/image/lzma-loader/src/board.c
@@ -0,0 +1,36 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <stddef.h>
+#include "config.h"
+
+#define READREG(r) *(volatile unsigned int *)(r)
+#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
+
+#define UART_BASE 0xb8020000
+
+#define UART_TX 0
+#define UART_LSR 5
+
+#define UART_LSR_THRE 0x20
+
+#define UART_READ(r) READREG(UART_BASE + 4 * (r))
+#define UART_WRITE(r,v) WRITEREG(UART_BASE + 4 * (r), (v))
+
+void board_putc(int ch)
+{
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+ UART_WRITE(UART_TX, ch);
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+}
+
+void board_init(void)
+{
+}