2008-07-01 Joel Sherrill <joel.sherrill@oarcorp.com>

* Makefile.am, include/bsp.h: Add bsp_uboot_getenv() to obtain U-Boot
	environment variables.
	* startup/uboot_support.c: New file.

c/src/lib/libbsp/powerpc/gen5200/ChangeLog

@@ -1,3 +1,9 @@
+2008-07-01	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* Makefile.am, include/bsp.h: Add bsp_uboot_getenv() to obtain U-Boot
+	environment variables.
+	* startup/uboot_support.c: New file.
+
 2008-06-10	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* irq/irq.c: Add units.

c/src/lib/libbsp/powerpc/gen5200/Makefile.am

@@ -85,7 +85,7 @@ startup_SOURCES = startup/bspclean.c ../../shared/bsplibc.c \
     ../../shared/bsppost.c startup/bspstart.c ../../shared/bootcard.c \
     ../../shared/sbrk.c ../shared/uboot_dump_bdinfo.c \
     ../../shared/gnatinstallhandler.c startup/cpuinit.c  \
-    ../shared/showbats.c
+    ../shared/showbats.c startup/uboot_support.c ../shared/uboot_getenv.c
 
 vectors_SOURCES = vectors/vectors_init.c vectors/vectors.h \
     vectors/vectors.S

c/src/lib/libbsp/powerpc/gen5200/include/bsp.h

@@ -261,6 +261,14 @@ Thread _Thread_Idle_body(uint32_t ignored);
 /* BSP specific IRQ Benchmarking support */
 void BSP_IRQ_Benchmarking_Reset(void);
 void BSP_IRQ_Benchmarking_Report(void);
+
+#if defined(HAS_UBOOT)
+  /* Routine to obtain U-Boot environment variables */
+  const char *bsp_uboot_getenv(
+    const char *name
+  );
+#endif
+
 #ifdef __cplusplus
 }
 #endif

c/src/lib/libbsp/powerpc/gen5200/startup/uboot_support.c

@@ -0,0 +1,25 @@
+/*
+ *  This file contains variables which assist the shared
+ *  U-Boot code.
+ *
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#include <stdint.h>
+
+#include <bsp.h>
+
+#if defined(HAS_UBOOT)
+/* Base address of U-Boot environment variables */
+const uint8_t *uboot_environment      = (const char *)0xfff40000;
+
+/* Length of area reserved for U-Boot environment variables */
+const size_t  *uboot_environment_size = 0x10000;
+#endif