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juno/sgm: Maximize space allocated to SCP_BL2

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To accommodate the increasing size of the SCP_BL2 binary, the base
address of the memory region allocated to SCP_BL2 has been moved
downwards from its current (mostly) arbitrary address to the beginning
of the non-shared trusted SRAM.

Change-Id: I086a3765bf3ea88f45525223d765dc0dbad6b434
Signed-off-by: Chris Kay <chris.kay@arm.com>
This commit is contained in:
Chris Kay 2020-03-12 13:50:26 +00:00
parent f9ea3a6291
commit ddc93cbaa4
3 changed files with 12 additions and 20 deletions
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4
docs/design/firmware-design.rst
View file

@ -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 +----------+

14
plat/arm/board/juno/include/platform_def.h
View file

@ -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), \

14
plat/arm/css/sgm/include/sgm_base_platform_def.h
View file

@ -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