1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h
new file mode 100644
index 000000000000..51b2dc93e4da
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/uncompress.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/plat-spear/include/plat/uncompress.h
+ *
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/io.h>
+#include <linux/amba/serial.h>
+#include <mach/spear.h>
+
+#ifndef __PLAT_UNCOMPRESS_H
+#define __PLAT_UNCOMPRESS_H
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+        void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE;
+
+        while (readl_relaxed(base + UART01x_FR) & UART01x_FR_TXFF)
+                barrier();
+
+        writel_relaxed(c, base + UART01x_DR);
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+
+#endif /* __PLAT_UNCOMPRESS_H */