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-rw-r--r--docs/design/firmware-design.rst4
-rw-r--r--plat/arm/board/juno/include/platform_def.h14
-rw-r--r--plat/arm/css/sgm/include/sgm_base_platform_def.h14
3 files changed, 12 insertions, 20 deletions
diff --git a/docs/design/firmware-design.rst b/docs/design/firmware-design.rst
index 8297dc785..8e9dc38e4 100644
--- a/docs/design/firmware-design.rst
+++ b/docs/design/firmware-design.rst
@@ -1859,7 +1859,7 @@ BL image during boot.
| BL2 | <<<<<<<<<<<<< | |
|----------| <<<<<<<<<<<<< |----------------|
| SCP_BL2 | <<<<<<<<<<<<< | BL31 PROGBITS |
- |----------| <<<<<<<<<<<<< |----------------|
+ | | <<<<<<<<<<<<< |----------------|
| | <<<<<<<<<<<<< | BL32 |
| | +----------------+
| |
@@ -1896,7 +1896,7 @@ BL image during boot.
| BL2 | <<<<<<<<<<<<< | |
|----------| <<<<<<<<<<<<< |----------------|
| SCP_BL2 | <<<<<<<<<<<<< | BL31 PROGBITS |
- |----------| +----------------+
+ | | +----------------+
0x04001000 +----------+
| MHU |
0x04000000 +----------+
diff --git a/plat/arm/board/juno/include/platform_def.h b/plat/arm/board/juno/include/platform_def.h
index cfac80182..b44639528 100644
--- a/plat/arm/board/juno/include/platform_def.h
+++ b/plat/arm/board/juno/include/platform_def.h
@@ -249,16 +249,12 @@
#endif
/*
- * PLAT_CSS_MAX_SCP_BL2_SIZE is calculated using the current
- * SCP_BL2 size plus a little space for growth.
+ * SCP_BL2 uses up whatever remaining space is available as it is loaded before
+ * anything else in this memory region and is handed over to the SCP before
+ * BL31 is loaded over the top.
*/
-#define PLAT_CSS_MAX_SCP_BL2_SIZE UL(0x14000)
-
-/*
- * PLAT_CSS_MAX_SCP_BL2U_SIZE is calculated using the current
- * SCP_BL2U size plus a little space for growth.
- */
-#define PLAT_CSS_MAX_SCP_BL2U_SIZE UL(0x14000)
+#define PLAT_CSS_MAX_SCP_BL2_SIZE (SCP_BL2_LIMIT - ARM_TB_FW_CONFIG_LIMIT)
+#define PLAT_CSS_MAX_SCP_BL2U_SIZE PLAT_CSS_MAX_SCP_BL2_SIZE
#define PLAT_ARM_G1S_IRQ_PROPS(grp) \
CSS_G1S_IRQ_PROPS(grp), \
diff --git a/plat/arm/css/sgm/include/sgm_base_platform_def.h b/plat/arm/css/sgm/include/sgm_base_platform_def.h
index 90511ac6a..0ac0c2b3c 100644
--- a/plat/arm/css/sgm/include/sgm_base_platform_def.h
+++ b/plat/arm/css/sgm/include/sgm_base_platform_def.h
@@ -133,16 +133,12 @@
#endif
/*
- * PLAT_CSS_MAX_SCP_BL2_SIZE is calculated using the current
- * SCP_BL2 size plus a little space for growth.
+ * SCP_BL2 uses up whatever remaining space is available as it is loaded before
+ * anything else in this memory region and is handed over to the SCP before
+ * BL31 is loaded over the top.
*/
-#define PLAT_CSS_MAX_SCP_BL2_SIZE 0x15000
-
-/*
- * PLAT_CSS_MAX_SCP_BL2U_SIZE is calculated using the current
- * SCP_BL2U size plus a little space for growth.
- */
-#define PLAT_CSS_MAX_SCP_BL2U_SIZE 0x15000
+#define PLAT_CSS_MAX_SCP_BL2_SIZE (SCP_BL2_LIMIT - ARM_TB_FW_CONFIG_LIMIT)
+#define PLAT_CSS_MAX_SCP_BL2U_SIZE PLAT_CSS_MAX_SCP_BL2_SIZE
/*
* Most platform porting definitions provided by included headers