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-rw-r--r--include/asm-arm/arch-at91/uncompress.h56
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
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+++ b/include/asm-arm/arch-at91/uncompress.h
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+/*
+ * 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