1 files changed, 56 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h
new file mode 100644
index 000000000000..a193d28304b6
--- /dev/null
+++ b/include/asm-arm/arch-at91/uncompress.h
@@ -0,0 +1,56 @@
+/*
+ * include/asm-arm/arch-at91/uncompress.h
+ *
+ *  Copyright (C) 2003 SAN People
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <asm/hardware.h>
+#include <asm/arch/at91_dbgu.h>
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader.  If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+static void putc(int c)
+{
+        void __iomem *sys = (void __iomem *) AT91_BASE_SYS;     /* physical address */
+
+        while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
+                barrier();
+        __raw_writel(c, sys + AT91_DBGU_THR);
+}
+
+static inline void flush(void)
+{
+        void __iomem *sys = (void __iomem *) AT91_BASE_SYS;     /* physical address */
+
+        /* wait for transmission to complete */
+        while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
+                barrier();
+}
+
+#define arch_decomp_setup()
+
+#define arch_decomp_wdog()
+
+#endif