2 files changed, 95 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme2307/nvram/Makefile.in b/c/src/lib/libbsp/powerpc/mvme2307/nvram/Makefile.in
new file mode 100644
index 0000000000..2ec830ff87
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/mvme2307/nvram/Makefile.in
@@ -0,0 +1,70 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+top_builddir = ../../../..
+subdir = libbsp/powerpc/mvme2307/nvram
+
+RTEMS_ROOT = @RTEMS_ROOT@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+VPATH = @srcdir@
+
+PGM=${ARCH}/nvram.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=nvram
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .S
+S_PIECES=
+S_FILES=$(S_PIECES:%=%.S)
+S_O_FILES=$(S_FILES:%.S=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
+OBJS=$(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+INSTALL_CHANGE = @INSTALL_CHANGE@
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+install:  all
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	cd $(top_builddir) \
+	 && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
diff --git a/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c b/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c
new file mode 100644
index 0000000000..124f81eada
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/mvme2307/nvram/nvram.c
@@ -0,0 +1,25 @@
+#include <bsp.h>
+
+#define ram_addr_low  (* (volatile char *) IO_TO_LOCAL(0x0074))
+#define ram_addr_high (* (volatile char *) IO_TO_LOCAL(0x0075))
+#define ram_data      (* (volatile char *) IO_TO_LOCAL(0x0077))
+#define ram_end_addr  0x1ff8
+
+int read_nvram(char *buff, int offset, int len) {
+    int i;
+
+    if (offset < 0 || offset >= ram_end_addr) {
+        return 0;
+    }
+    if (offset + len > ram_end_addr) {
+        len = ram_end_addr - offset;
+    }
+    for (i = 0; i < len; i++) {
+        ram_addr_high = offset >> 8;
+        ram_addr_low  = offset;
+        *buff++ = ram_data;
+        offset++;
+    }
+    return len;
+}
+