bsps/powerpc: Add .nvram section

12 files changed, 35 insertions, 6 deletions

diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
index 391127f8c7..cabaac2201 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.gwlcfm
@@ -22,5 +22,6 @@ REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", NOCACHE);
+REGION_ALIAS ("REGION_NVRAM", NOCACHE);
 
 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 be6b82ba96..4f63fb0e0a 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5566evb
@@ -22,5 +22,6 @@ REGION_ALIAS ("REGION_WORK", RAM);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", NOCACHE);
+REGION_ALIAS ("REGION_NVRAM", NOCACHE);
 
 INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5643l_evb b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5643l_evb
index 07d8f50ab7..1977c92d59 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5643l_evb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5643l_evb
@@ -28,5 +28,6 @@ REGION_ALIAS ("REGION_WORK", RAM_1);
 REGION_ALIAS ("REGION_STACK", RAM_1);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", NOCACHE);
+REGION_ALIAS ("REGION_NVRAM", NOCACHE);
 
 INCLUDE linkcmds.mpc55xx
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 0a3b58f1a7..f38ca475c0 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
@@ -2,6 +2,7 @@ MEMORY {
 	RAM : ORIGIN = 0x40000000, LENGTH = 256K - 16k
 	RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K
 	NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k
+	NVRAM : ORIGIN = 0x3ffa0000, LENGTH = 128k
 }
 
 REGION_ALIAS ("REGION_START", STARTROM);
@@ -21,5 +22,6 @@ REGION_ALIAS ("REGION_WORK", RAM);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", ROM);
+REGION_ALIAS ("REGION_NVRAM", NVRAM);
 
 INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
index 7f59a076cd..3113fb20b7 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674fevb
@@ -3,6 +3,7 @@ MEMORY {
 	RAM : ORIGIN = 0x40000000, LENGTH = 256K - 16k
 	RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K
 	NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k
+	EMPTY : ORIGIN = 0x0, LENGTH = 0
 }
 
 REGION_ALIAS ("REGION_START", ROM);
@@ -22,5 +23,6 @@ REGION_ALIAS ("REGION_WORK", RAM);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", ROM);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
 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 1db3190887..77b8abc5e0 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.phycore_mpc5554
@@ -31,5 +31,6 @@ REGION_ALIAS ("REGION_WORK", RAM_EXT);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", NOCACHE);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", NOCACHE);
+REGION_ALIAS ("REGION_NVRAM", NOCACHE);
 
 INCLUDE linkcmds.mpc55xx
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_0 b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_0
index 502a26ce58..b27c10f4aa 100644
--- a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_0
+++ b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_0
@@ -7,6 +7,7 @@
 MEMORY {
 	LOW : ORIGIN = 0x4000, LENGTH = 16M - 16k
 	HIGH : ORIGIN = 0x1000000, LENGTH = 32M
+	EMPTY : ORIGIN = 0x0, LENGTH = 0
 }
 
 REGION_ALIAS ("REGION_START", LOW);
@@ -24,8 +25,9 @@ REGION_ALIAS ("REGION_BSS", HIGH);
 REGION_ALIAS ("REGION_RWEXTRA", HIGH);
 REGION_ALIAS ("REGION_WORK", HIGH);
 REGION_ALIAS ("REGION_STACK", HIGH);
-REGION_ALIAS ("REGION_NOCACHE", HIGH);
-REGION_ALIAS ("REGION_NOCACHE_LOAD", HIGH);
+REGION_ALIAS ("REGION_NOCACHE", EMPTY);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
 bsp_section_robarrier_align = 0x1000000;
 bsp_section_rwbarrier_align = 0x1000000;
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_1 b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_1
index 82fadf71dd..21a632b9f4 100644
--- a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_1
+++ b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_core_1
@@ -6,6 +6,7 @@
 
 MEMORY {
 	RAM : ORIGIN = 0x4000000, LENGTH = 64M
+	EMPTY : ORIGIN = 0x0, LENGTH = 0
 }
 
 REGION_ALIAS ("REGION_START", RAM);
@@ -23,8 +24,9 @@ REGION_ALIAS ("REGION_BSS", RAM);
 REGION_ALIAS ("REGION_RWEXTRA", RAM);
 REGION_ALIAS ("REGION_WORK", RAM);
 REGION_ALIAS ("REGION_STACK", RAM);
-REGION_ALIAS ("REGION_NOCACHE", RAM);
-REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM);
+REGION_ALIAS ("REGION_NOCACHE", EMPTY);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
 bsp_section_robarrier_align = 0x1000000;
 bsp_section_rwbarrier_align = 0x1000000;
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_p1020rdb b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_p1020rdb
index ef7fd575c5..7360843856 100644
--- a/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_p1020rdb
+++ b/c/src/lib/libbsp/powerpc/qoriq/startup/linkcmds.qoriq_p1020rdb
@@ -7,6 +7,7 @@
 MEMORY {
 	LOW : ORIGIN = 0x4000, LENGTH = 16M - 16k
 	HIGH : ORIGIN = 0x1000000, LENGTH = 32M
+	EMPTY : ORIGIN = 0x0, LENGTH = 0
 }
 
 REGION_ALIAS ("REGION_START", LOW);
@@ -24,8 +25,9 @@ REGION_ALIAS ("REGION_BSS", HIGH);
 REGION_ALIAS ("REGION_RWEXTRA", HIGH);
 REGION_ALIAS ("REGION_WORK", HIGH);
 REGION_ALIAS ("REGION_STACK", HIGH);
-REGION_ALIAS ("REGION_NOCACHE", HIGH);
-REGION_ALIAS ("REGION_NOCACHE_LOAD", HIGH);
+REGION_ALIAS ("REGION_NOCACHE", EMPTY);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
 bsp_section_robarrier_align = 0x1000000;
 bsp_section_rwbarrier_align = 0x1000000;
diff --git a/c/src/lib/libbsp/powerpc/shared/include/linker-symbols.h b/c/src/lib/libbsp/powerpc/shared/include/linker-symbols.h
index 80f54bd4b9..7bfc6e2304 100644
--- a/c/src/lib/libbsp/powerpc/shared/include/linker-symbols.h
+++ b/c/src/lib/libbsp/powerpc/shared/include/linker-symbols.h
@@ -99,12 +99,18 @@ LINKER_SYMBOL(bsp_section_nocache_size)
 LINKER_SYMBOL(bsp_section_nocache_load_begin)
 LINKER_SYMBOL(bsp_section_nocache_load_end)
 
+LINKER_SYMBOL(bsp_section_nvram_begin)
+LINKER_SYMBOL(bsp_section_nvram_end)
+LINKER_SYMBOL(bsp_section_nvram_size)
+
 #define BSP_FAST_TEXT_SECTION __attribute__((section(".bsp_fast_text")))
 
 #define BSP_FAST_DATA_SECTION __attribute__((section(".bsp_fast_data")))
 
 #define BSP_NOCACHE_SECTION __attribute__((section(".bsp_nocache")))
 
+#define BSP_NVRAM_SECTION __attribute__((section(".bsp_nvram")))
+
 /** @} */
 
 #ifdef __cplusplus
diff --git a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
index 261b52abb2..9f04ebe23c 100644
--- a/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
+++ b/c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
@@ -340,6 +340,13 @@ SECTIONS {
 	bsp_section_nocache_load_begin = LOADADDR (.nocache);
 	bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
 
+	.nvram (NOLOAD) : {
+		bsp_section_nvram_begin = .;
+		*(SORT(.bsp_nvram*))
+		bsp_section_nvram_end = .;
+	} > REGION_NVRAM
+	bsp_section_nvram_size = bsp_section_nvram_end - bsp_section_nvram_begin;
+
 	/* FIXME */
 	RamBase = ORIGIN (REGION_WORK);
 	RamSize = LENGTH (REGION_WORK);
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/startup/linkcmds.t32mppc b/c/src/lib/libbsp/powerpc/t32mppc/startup/linkcmds.t32mppc
index a73da78312..165412f03c 100644
--- a/c/src/lib/libbsp/powerpc/t32mppc/startup/linkcmds.t32mppc
+++ b/c/src/lib/libbsp/powerpc/t32mppc/startup/linkcmds.t32mppc
@@ -1,5 +1,6 @@
 MEMORY {
 	RAM : ORIGIN = 0x0, LENGTH = 128M
+	EMPTY : ORIGIN = 0x0, LENGTH = 0
 }
 
 REGION_ALIAS ("REGION_START", RAM);
@@ -19,5 +20,6 @@ REGION_ALIAS ("REGION_WORK", RAM);
 REGION_ALIAS ("REGION_STACK", RAM);
 REGION_ALIAS ("REGION_NOCACHE", RAM);
 REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
 INCLUDE linkcmds.base