[rtems commit] bsp/mpc55xx: Add .sysram section

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    29919ec05b11903c591d64095b6faece3486cb35
Changeset: http://git.rtems.org/rtems/commit/?id=29919ec05b11903c591d64095b6faece3486cb35

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Nov 23 15:12:41 2012 +0100

bsp/mpc55xx: Add .sysram section

---

 c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h  |    8 ++++++++
 .../mpc55xxevb/startup/linkcmds.mpc5674f_ecu508    |   13 ++++++++++++-
 .../startup/linkcmds.mpc5674f_ecu508_app           |    2 +-
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h
index 54e4b54..4595d3d 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h
@@ -87,6 +87,14 @@ LINKER_SYMBOL(bsp_section_dsram_load_end)
 
 #define BSP_DSRAM_SECTION __attribute__((section(".bsp_dsram")))
 
+LINKER_SYMBOL(bsp_section_sysram_begin)
+LINKER_SYMBOL(bsp_section_sysram_end)
+LINKER_SYMBOL(bsp_section_sysram_size)
+LINKER_SYMBOL(bsp_section_sysram_load_begin)
+LINKER_SYMBOL(bsp_section_sysram_load_end)
+
+#define BSP_SYSRAM_SECTION __attribute__((section(".bsp_sysram")))
+
 typedef enum {
   MPC55XX_FATAL_FMPLL_LOCK
 } mpc55xx_fatal_code;
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
index 4693804..1e52a3c 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
@@ -1,9 +1,11 @@
 MEMORY {
 	DSROM : ORIGIN = 0x00020000, LENGTH = 64k
+	SYSROM : ORIGIN = 0x00100000, LENGTH = 4k
 	RAM : ORIGIN = 0x40000000, LENGTH = 240k
 	NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k
 	DSRAM : ORIGIN = 0x20000000, LENGTH = 64k
-	RAM_EXT : ORIGIN = 0x20010000, LENGTH = 448k
+	RAM_EXT : ORIGIN = 0x20010000, LENGTH = 444k
+	SYSRAM : ORIGIN = 0x2007f000, LENGTH = 4k
 	NVRAM : ORIGIN = 0x3ffa0000, LENGTH = 128k
 }
 
@@ -35,6 +37,15 @@ SECTIONS {
 	bsp_section_dsram_size = bsp_section_dsram_end - bsp_section_dsram_begin;
 	bsp_section_dsram_load_begin = LOADADDR (.dsram);
 	bsp_section_dsram_load_end = bsp_section_dsram_load_begin + bsp_section_dsram_size;
+
+	.sysram : {
+		bsp_section_sysram_begin = .;
+		*(SORT(.bsp_sysram*))
+		bsp_section_sysram_end = .;
+	} > SYSRAM AT > SYSROM
+	bsp_section_sysram_size = bsp_section_sysram_end - bsp_section_sysram_begin;
+	bsp_section_sysram_load_begin = LOADADDR (.sysram);
+	bsp_section_sysram_load_end = bsp_section_sysram_load_begin + bsp_section_sysram_size;
 }
 
 INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508_app b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508_app
index 72c14cd..4b94ac5 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508_app
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508_app
@@ -1,6 +1,6 @@
 MEMORY {
 	/* Let space for the binary image library header */
-	ROM : ORIGIN = 0x00100000, LENGTH = 3M - 4k
+	ROM : ORIGIN = 0x00101000, LENGTH = 3064k
 }
 
 REGION_ALIAS ("STARTROM", ROM);