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Diffstat (limited to 'arch/arm/mach-aspeed/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-aspeed/include/mach/uncompress.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-aspeed/include/mach/uncompress.h b/arch/arm/mach-aspeed/include/mach/uncompress.h
new file mode 100644
index 0000000..3be04b0
--- /dev/null
+++ b/arch/arm/mach-aspeed/include/mach/uncompress.h
@@ -0,0 +1,38 @@
+/*
+ * uncompress.h
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <mach/platform.h>
+#include <mach/aspeed_serial.h>
+
+#define UART_PUT_CHAR (*(volatile unsigned char *)(AST_UART_BASE + UART_THR))
+#define UART_GET_LSR (*(volatile unsigned char *)(AST_UART_BASE + UART_LSR))
+
+static void putc(int c)
+{
+
+ /* wait for space in the UART's transmitter */
+ while (!(UART_GET_LSR & UART_LSR_THRE))
+ barrier();
+
+ /* send the character out. */
+ UART_PUT_CHAR = c;
+}
+
+static inline void flush(void)
+{
+ while (UART_GET_LSR & (1 << 3))
+ barrier();
+}
+
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */
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