1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h
new file mode 100644
index 000000000000..0410d548e9b1
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/uncompress.h
@@ -0,0 +1,76 @@
+/*
+ * arch/arm/mach-at91/include/mach/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/io.h>
+#include <linux/atmel_serial.h>
+
+#if defined(CONFIG_AT91_EARLY_DBGU)
+#define UART_OFFSET (AT91_DBGU + AT91_BASE_SYS)
+#elif defined(CONFIG_AT91_EARLY_USART0)
+#define UART_OFFSET AT91_USART0
+#elif defined(CONFIG_AT91_EARLY_USART1)
+#define UART_OFFSET AT91_USART1
+#elif defined(CONFIG_AT91_EARLY_USART2)
+#define UART_OFFSET AT91_USART2
+#elif defined(CONFIG_AT91_EARLY_USART3)
+#define UART_OFFSET AT91_USART3
+#elif defined(CONFIG_AT91_EARLY_USART4)
+#define UART_OFFSET AT91_USART4
+#elif defined(CONFIG_AT91_EARLY_USART5)
+#define UART_OFFSET AT91_USART5
+#endif
+
+/*
+ * 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)
+{
+#ifdef UART_OFFSET
+	void __iomem *sys = (void __iomem *) UART_OFFSET;	/* physical address */
+
+	while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXRDY))
+		barrier();
+	__raw_writel(c, sys + ATMEL_US_THR);
+#endif
+}
+
+static inline void flush(void)
+{
+#ifdef UART_OFFSET
+	void __iomem *sys = (void __iomem *) UART_OFFSET;	/* physical address */
+
+	/* wait for transmission to complete */
+	while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXEMPTY))
+		barrier();
+#endif
+}
+
+#define arch_decomp_setup()
+
+#define arch_decomp_wdog()
+
+#endif