diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S index 797d8d7..559ae3d 100644 --- a/bl32/tsp/tsp.ld.S +++ b/bl32/tsp/tsp.ld.S @@ -113,7 +113,7 @@ __COHERENT_RAM_END__ = .; } >RAM - __BL2_END__ = .; + __BL32_END__ = .; __BSS_SIZE__ = SIZEOF(.bss); __COHERENT_RAM_UNALIGNED_SIZE__ = diff --git a/plat/fvp/bl2_plat_setup.c b/plat/fvp/bl2_plat_setup.c index 672f096..b945db9 100644 --- a/plat/fvp/bl2_plat_setup.c +++ b/plat/fvp/bl2_plat_setup.c @@ -98,11 +98,13 @@ { bl2_to_bl31_params_mem_t *bl31_params_mem; +#if TSP_RAM_LOCATION_ID == TSP_IN_TZDRAM /* * Ensure that the secure DRAM memory used for passing BL31 arguments * does not overlap with the BL32_BASE. */ assert(BL32_BASE > PARAMS_BASE + sizeof(bl2_to_bl31_params_mem_t)); +#endif /* * Allocate the memory for all the arguments that needs to @@ -265,8 +267,6 @@ { /* * Populate the extents of memory available for loading BL32. - * TODO: We are temporarily executing BL2 from TZDRAM; - * will eventually move to Trusted SRAM */ bl32_meminfo->total_base = BL32_BASE; bl32_meminfo->free_base = BL32_BASE; diff --git a/plat/fvp/platform.h b/plat/fvp/platform.h index 07c79d9..981bc98 100644 --- a/plat/fvp/platform.h +++ b/plat/fvp/platform.h @@ -238,20 +238,35 @@ /******************************************************************************* * BL2 specific defines. ******************************************************************************/ -#define BL2_BASE 0x0402D000 +#define BL2_BASE (TZRAM_BASE + TZRAM_SIZE - 0xc000) /******************************************************************************* * BL31 specific defines. ******************************************************************************/ -#define BL31_BASE 0x0400C000 +#define BL31_BASE (TZRAM_BASE + 0x6000) /******************************************************************************* * BL32 specific defines. ******************************************************************************/ -#define TSP_SEC_MEM_BASE TZDRAM_BASE -#define TSP_SEC_MEM_SIZE TZDRAM_SIZE -#define BL32_BASE (TZDRAM_BASE + 0x2000) -#define BL32_LIMIT (TZDRAM_BASE + (1 << 21)) +/* + * On FVP, the TSP can execute either from Trusted SRAM or Trusted DRAM. + */ +#define TSP_IN_TZRAM 0 +#define TSP_IN_TZDRAM 1 + +#if TSP_RAM_LOCATION_ID == TSP_IN_TZRAM +# define TSP_SEC_MEM_BASE TZRAM_BASE +# define TSP_SEC_MEM_SIZE TZRAM_SIZE +# define BL32_BASE (TZRAM_BASE + TZRAM_SIZE - 0x1c000) +# define BL32_LIMIT BL2_BASE +#elif TSP_RAM_LOCATION_ID == TSP_IN_TZDRAM +# define TSP_SEC_MEM_BASE TZDRAM_BASE +# define TSP_SEC_MEM_SIZE TZDRAM_SIZE +# define BL32_BASE (TZDRAM_BASE + 0x2000) +# define BL32_LIMIT (TZDRAM_BASE + (1 << 21)) +#else +# error "Unsupported TSP_RAM_LOCATION_ID value" +#endif /******************************************************************************* * Platform specific page table and MMU setup constants diff --git a/plat/fvp/platform.mk b/plat/fvp/platform.mk index 4de001b..82bafed 100644 --- a/plat/fvp/platform.mk +++ b/plat/fvp/platform.mk @@ -28,6 +28,21 @@ # POSSIBILITY OF SUCH DAMAGE. # +# On FVP, the TSP can execute either from Trusted SRAM or Trusted DRAM. +# Trusted SRAM is the default. +TSP_RAM_LOCATION := tsram + +ifeq (${TSP_RAM_LOCATION}, tsram) + TSP_RAM_LOCATION_ID := TSP_IN_TZRAM +else ifeq (${TSP_RAM_LOCATION}, tdram) + TSP_RAM_LOCATION_ID := TSP_IN_TZDRAM +else + $(error "Unsupported TSP_RAM_LOCATION value") +endif + +# Process TSP_RAM_LOCATION_ID flag +$(eval $(call add_define,TSP_RAM_LOCATION_ID)) + PLAT_INCLUDES := -Iplat/fvp/include/ PLAT_BL_COMMON_SOURCES := drivers/arm/pl011/pl011.c \