new file mode 100644
--- /dev/null
+++ b/packages/redboot/current/src/iomem.c
@@ -0,0 +1,171 @@
+//==========================================================================
+//
+//      iomem.c
+//
+//      RedBoot I/O memory peek and poke
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2004 eCosCentric Ltd
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    icampbell
+// Contributors: icampbell
+// Date:         2004-11-09
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <redboot.h>
+#include <cyg/hal/hal_io.h>
+
+RedBoot_cmd("iopeek",
+	    "Read I/O location",
+	    "[-b <location>] [-1|2|4]",
+	    do_iopeek
+    );
+RedBoot_cmd("iopoke",
+	    "Write I/O location",
+	    "[-b <location>] [-1|2|4] -v <value>",
+	    do_iopoke
+    );
+
+void
+do_iopoke(int argc, char *argv[])
+{
+    struct option_info opts[5];
+    unsigned long base;
+    bool base_set, value_set;
+    bool set_32bit = false;
+    bool set_16bit = false;
+    bool set_8bit = false;
+    cyg_uint32 value;
+    int size = 1;
+
+    init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, 
+              &base, &base_set, "base address");
+    init_opts(&opts[1], 'v', true, OPTION_ARG_TYPE_NUM, 
+              &value, &value_set, "valuex");
+    init_opts(&opts[2], '4', false, OPTION_ARG_TYPE_FLG,
+              &set_32bit, 0, "output 32 bit units");
+    init_opts(&opts[3], '2', false, OPTION_ARG_TYPE_FLG,
+              &set_16bit, 0, "output 16 bit units");
+    init_opts(&opts[4], '1', false, OPTION_ARG_TYPE_FLG,
+              &set_8bit, 0, "output 8 bit units");
+    if (!scan_opts(argc, argv, 1, opts, 5, 0, 0, "")) {
+        return;
+    }
+    if (!base_set) {
+        diag_printf("iopoke what <location>?\n");
+        return;
+    }
+    if (!value_set) { 
+        diag_printf("iopoke what <value>?\n");
+        return;
+    }
+    if (set_32bit) {
+        size = 4;
+    } else if (set_16bit) {
+        size = 2;
+    } else if (set_8bit) {
+        size = 1;
+    }
+
+    switch (size) {
+    case 4:
+        HAL_WRITE_UINT32 ( base, value );
+        break;
+    case 2:
+        HAL_WRITE_UINT16 ( base, value );
+        break;
+    case 1: 
+        HAL_WRITE_UINT8 ( base, value );
+        break;
+    }
+}
+
+void
+do_iopeek(int argc, char *argv[])
+{
+    struct option_info opts[4];
+    unsigned long base;
+    bool base_set;
+    bool set_32bit = false;
+    bool set_16bit = false;
+    bool set_8bit = false;
+    int size = 1, value;
+
+    init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, 
+              &base, &base_set, "base address");
+    init_opts(&opts[1], '4', false, OPTION_ARG_TYPE_FLG,
+              &set_32bit, 0, "output 32 bit units");
+    init_opts(&opts[2], '2', false, OPTION_ARG_TYPE_FLG,
+              &set_16bit, 0, "output 16 bit units");
+    init_opts(&opts[3], '1', false, OPTION_ARG_TYPE_FLG,
+              &set_8bit, 0, "output 8 bit units");
+    if (!scan_opts(argc, argv, 1, opts, 5, 0, 0, "")) {
+        return;
+    }
+    if (!base_set) {
+        diag_printf("iopeek what <location>?\n");
+        return;
+    }
+    if (set_32bit) {
+      size = 4;
+    } else if (set_16bit) {
+        size = 2;
+    } else if (set_8bit) {
+        size = 1;
+    }
+
+    switch (size) {
+    case 4:
+        HAL_READ_UINT32 ( base, value );
+        diag_printf("0x%04x = 0x%08x\n", base, value );
+        break;
+    case 2:
+        HAL_READ_UINT16 ( base, value );
+        diag_printf("0x%04x = 0x%04x\n", base, value );
+        break;
+    case 1: 
+        HAL_READ_UINT8 ( base, value );
+        diag_printf("0x%04x = 0x%02x\n", base, value );
+        break;
+    }
+}