bsps/powerpc: Add no cache section

7 files changed, 55 insertions, 87 deletions

diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
index 2bdf5041d2..4dc5613ec3 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
@@ -1,23 +1,11 @@
-MEMORY
-{
-	ROM (RX)  : ORIGIN = 0x0, LENGTH = 1536K
-	RAM (AIW) : ORIGIN = 0x40000000, LENGTH = 80K
-	RAM_EXT   : ORIGIN = 0x20000000, LENGTH = 512K
-	NIRVANA   : ORIGIN = 0x0, LENGTH = 0
+MEMORY {
+	ROM : ORIGIN = 0x0, LENGTH = 1536K
+	RAM : ORIGIN = 0x40000000, LENGTH = 80K
+	RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K
+	NOCACHE : ORIGIN = 0x0, LENGTH = 0
+	NIRVANA : ORIGIN = 0x0, LENGTH = 0
 }
 
-bsp_ram_start = ORIGIN (RAM);
-bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
-bsp_ram_size = LENGTH (RAM);
-
-bsp_rom_start = ORIGIN (ROM);
-bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
-bsp_rom_size = LENGTH (ROM);
-
-bsp_external_ram_start = ORIGIN (RAM_EXT);
-bsp_external_ram_end = ORIGIN (RAM_EXT) + LENGTH (RAM_EXT);
-bsp_external_ram_size = LENGTH (RAM_EXT);
-
 REGION_ALIAS ("REGION_START", ROM);
 REGION_ALIAS ("REGION_FAST_TEXT", RAM);
 REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM);
@@ -33,5 +21,6 @@ REGION_ALIAS ("REGION_BSS", RAM_EXT);
 REGION_ALIAS ("REGION_RWEXTRA", RAM_EXT);
 REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 
-INCLUDE linkcmds.base
+INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb
index a8d94784e9..f148ca66ec 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb
@@ -1,23 +1,11 @@
-MEMORY
-{
-	ROM (RX)  : ORIGIN = 0x0, LENGTH = 3M
-	RAM (AIW) : ORIGIN = 0x40000000, LENGTH = 128K
-	RAM_EXT   : ORIGIN = 0x20000000, LENGTH = 512K
-	NIRVANA   : ORIGIN = 0x0, LENGTH = 0
+MEMORY {
+	ROM : ORIGIN = 0x0, LENGTH = 3M
+	RAM : ORIGIN = 0x40000000, LENGTH = 128K
+	RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K
+	NOCACHE : ORIGIN = 0x0, LENGTH = 0
+	NIRVANA : ORIGIN = 0x0, LENGTH = 0
 }
 
-bsp_ram_start = ORIGIN (RAM);
-bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
-bsp_ram_size = LENGTH (RAM);
-
-bsp_rom_start = ORIGIN (ROM);
-bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
-bsp_rom_size = LENGTH (ROM);
-
-bsp_external_ram_start = ORIGIN (RAM_EXT);
-bsp_external_ram_end = ORIGIN (RAM_EXT) + LENGTH (RAM_EXT);
-bsp_external_ram_size = LENGTH (RAM_EXT);
-
 REGION_ALIAS ("REGION_START", ROM);
 REGION_ALIAS ("REGION_FAST_TEXT", RAM);
 REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM);
@@ -33,5 +21,6 @@ REGION_ALIAS ("REGION_BSS", RAM_EXT);
 REGION_ALIAS ("REGION_RWEXTRA", RAM_EXT);
 REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 
-INCLUDE linkcmds.base
+INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc55xx b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc55xx
new file mode 100644
index 0000000000..1bfe8444ae
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc55xx
@@ -0,0 +1,13 @@
+bsp_ram_start = ORIGIN (RAM);
+bsp_ram_size = LENGTH (RAM) + LENGTH (NOCACHE);
+bsp_ram_end = bsp_ram_start + bsp_ram_size;
+
+bsp_rom_start = ORIGIN (ROM);
+bsp_rom_size = LENGTH (ROM);
+bsp_rom_end = bsp_rom_start + bsp_rom_size;
+
+bsp_external_ram_start = ORIGIN (RAM_EXT);
+bsp_external_ram_size = LENGTH (RAM_EXT);
+bsp_external_ram_end = bsp_external_ram_start + bsp_external_ram_size;
+
+INCLUDE linkcmds.base
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
index aa4e1db16b..0126bdc93d 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
@@ -1,23 +1,11 @@
-MEMORY
-{
-	ROM (RX)  : ORIGIN = 0x0, LENGTH = 4M
-	RAM (AIW) : ORIGIN = 0x40000000, LENGTH = 256K
-	RAM_EXT   : ORIGIN = 0x20000000, LENGTH = 512K
-	NIRVANA   : ORIGIN = 0x0, LENGTH = 0
+MEMORY {
+	ROM : ORIGIN = 0x0, LENGTH = 4M
+	RAM : ORIGIN = 0x40000000, LENGTH = 256K - 16k
+	RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K
+	NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k
+	NIRVANA : ORIGIN = 0x0, LENGTH = 0
 }
 
-bsp_ram_start = ORIGIN (RAM);
-bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
-bsp_ram_size = LENGTH (RAM);
-
-bsp_rom_start = ORIGIN (ROM);
-bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
-bsp_rom_size = LENGTH (ROM);
-
-bsp_external_ram_start = ORIGIN (RAM_EXT);
-bsp_external_ram_end = ORIGIN (RAM_EXT) + LENGTH (RAM_EXT);
-bsp_external_ram_size = LENGTH (RAM_EXT);
-
 REGION_ALIAS ("REGION_START", ROM);
 REGION_ALIAS ("REGION_FAST_TEXT", RAM);
 REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM);
@@ -33,5 +21,6 @@ REGION_ALIAS ("REGION_BSS", RAM);
 REGION_ALIAS ("REGION_RWEXTRA", RAM_EXT);
 REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 
-INCLUDE linkcmds.base
+INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554 b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554
index 4b6112e2b3..1e7337cf4e 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554
@@ -2,27 +2,15 @@
  * Debug RAM is the top 4MB of external RAM and is swapped with the
  * FLASH for development.
  */
-MEMORY
-{
-	ROM (RX)       : ORIGIN = 0x00000000, LENGTH = 2M
-	RAM (AIW)      : ORIGIN = 0x40000000, LENGTH = 64K
-	RAM_EXT (AIW)  : ORIGIN = 0x21000000, LENGTH = 4M
-	DEBUG_RAM (AIW): ORIGIN = 0x21400000, LENGTH = 4M
-	NIRVANA        : ORIGIN = 0x00000000, LENGTH = 0
+MEMORY {
+	ROM : ORIGIN = 0x00000000, LENGTH = 2M
+	RAM : ORIGIN = 0x40000000, LENGTH = 64K
+	RAM_EXT : ORIGIN = 0x21000000, LENGTH = 4M
+	DEBUG_RAM : ORIGIN = 0x21400000, LENGTH = 4M
+	NOCACHE : ORIGIN = 0x0, LENGTH = 0
+	NIRVANA : ORIGIN = 0x00000000, LENGTH = 0
 }
 
-bsp_ram_start = ORIGIN (RAM);
-bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
-bsp_ram_size = LENGTH (RAM);
-
-bsp_rom_start = ORIGIN (ROM);
-bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
-bsp_rom_size = LENGTH (ROM);
-
-bsp_external_ram_start = ORIGIN (RAM_EXT);
-bsp_external_ram_end = ORIGIN (RAM_EXT) + LENGTH (RAM_EXT);
-bsp_external_ram_size = LENGTH (RAM_EXT);
-
 bsp_debug_ram_start = ORIGIN (DEBUG_RAM);
 bsp_debug_ram_end = ORIGIN (DEBUG_RAM) + LENGTH (DEBUG_RAM);
 bsp_debug_ram_size = LENGTH (DEBUG_RAM);
@@ -42,5 +30,6 @@ REGION_ALIAS ("REGION_BSS", RAM_EXT);
 REGION_ALIAS ("REGION_RWEXTRA", RAM_EXT);
 REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 
-INCLUDE linkcmds.base
+INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.xkt564levb b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.xkt564levb
index 503f52a887..72d3762da3 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.xkt564levb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.xkt564levb
@@ -2,21 +2,15 @@ MEMORY {
 	ROM : ORIGIN = 0x0, LENGTH = 1M
 	RAM_0 : ORIGIN = 0x40000000, LENGTH = 64K
 	RAM_1 : ORIGIN = 0x50000000, LENGTH = 64K
+	RAM_EXT : ORIGIN = 0x0, LENGTH = 0
+	NOCACHE : ORIGIN = 0x0, LENGTH = 0
 	NIRVANA : ORIGIN = 0x0, LENGTH = 0
 }
 
-bsp_ram_start = ORIGIN (RAM_0);
-bsp_ram_size = LENGTH (RAM_0);
-bsp_ram_end = bsp_ram_start + bsp_ram_size;
-
 bsp_ram_1_start = ORIGIN (RAM_1);
 bsp_ram_1_size = LENGTH (RAM_1);
 bsp_ram_1_end = bsp_ram_1_start + bsp_ram_1_size;
 
-bsp_rom_start = ORIGIN (ROM);
-bsp_rom_size = LENGTH (ROM);
-bsp_rom_end = bsp_rom_start + bsp_rom_size;
-
 REGION_ALIAS ("REGION_START", ROM);
 REGION_ALIAS ("REGION_FAST_TEXT", RAM_0);
 REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM);
@@ -32,5 +26,6 @@ REGION_ALIAS ("REGION_BSS", RAM_0);
 REGION_ALIAS ("REGION_RWEXTRA", RAM_0);
 REGION_ALIAS ("REGION_WORK", RAM_1);
 REGION_ALIAS ("REGION_STACK", RAM_1);
+REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 
-INCLUDE linkcmds.base
+INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu.c
index dd79366455..4849167b41 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu.c
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-config-mmu.c
@@ -114,7 +114,11 @@ BSP_START_TEXT_SECTION const struct MMU_tag
   /* External SRAM 512k */
   MPC55XX_MMU_TAG_INITIALIZER(2, 0x20000000, MPC55XX_MMU_512K, 0, 1, 1, 0),
   /* Internal SRAM 256k */
-  MPC55XX_MMU_TAG_INITIALIZER(3, 0x40000000, MPC55XX_MMU_256K, 0, 1, 1, 0),
+  MPC55XX_MMU_TAG_INITIALIZER(3, 0x40000000, MPC55XX_MMU_128K, 0, 1, 1, 0),
+  MPC55XX_MMU_TAG_INITIALIZER(11, 0x40020000, MPC55XX_MMU_64K, 0, 1, 1, 0),
+  MPC55XX_MMU_TAG_INITIALIZER(12, 0x40030000, MPC55XX_MMU_32K, 0, 1, 1, 0),
+  MPC55XX_MMU_TAG_INITIALIZER(13, 0x40038000, MPC55XX_MMU_16K, 0, 1, 1, 0),
+  MPC55XX_MMU_TAG_INITIALIZER(14, 0x4003c000, MPC55XX_MMU_16K, 0, 1, 1, 1),
   /* External Ethernet controller */
   MPC55XX_MMU_TAG_INITIALIZER(15, 0x3fff8000, MPC55XX_MMU_64K, 0, 1, 1, 1)
 #elif MPC55XX_CHIP_TYPE / 10 == 564