1 files changed, 64 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ixp4xx/uncompress.h b/include/asm-arm/arch-ixp4xx/uncompress.h
new file mode 100644
index 000000000000..960c35810a22
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/uncompress.h
@@ -0,0 +1,64 @@
+/*
+ * include/asm-arm/arch-ixp4xx/uncompress.h 
+ *
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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 _ARCH_UNCOMPRESS_H_
+#define _ARCH_UNCOMPRESS_H_
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <linux/serial_reg.h>
+
+#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
+
+static volatile u32* uart_base;
+
+static __inline__ void putc(char c)
+{
+        /* Check THRE and TEMT bits before we transmit the character.
+         */
+        while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); 
+        *uart_base = c;
+}
+
+/*
+ * This does not append a newline
+ */
+static void putstr(const char *s)
+{
+        while (*s)
+        {
+                putc(*s);
+                if (*s == '\n')
+                        putc('\r');
+                s++;
+        }
+}
+
+static __inline__ void __arch_decomp_setup(unsigned long arch_id)
+{
+        /*
+         * Coyote and gtwx5715 only have UART2 connected
+         */
+        if (machine_is_adi_coyote() || machine_is_gtwx5715())
+                uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
+        else
+                uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
+}
+
+/*
+ * arch_id is a variable in decompress_kernel()
+ */
+#define arch_decomp_setup()     __arch_decomp_setup(arch_id)
+
+#define arch_decomp_wdog()
+
+#endif