diff options
Diffstat (limited to 'common/spl/spl_atf.c')
| -rw-r--r-- | common/spl/spl_atf.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/common/spl/spl_atf.c b/common/spl/spl_atf.c index 4715f9d371..7a46ed6e6d 100644 --- a/common/spl/spl_atf.c +++ b/common/spl/spl_atf.c @@ -30,8 +30,11 @@ static struct bl31_params *bl2_to_bl31_params; * * @return bl31 params structure pointer */ -static struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl33_entry) +static struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry, + uintptr_t bl33_entry, + uintptr_t fdt_addr) { + struct entry_point_info *bl32_ep_info; struct entry_point_info *bl33_ep_info; /* @@ -49,16 +52,22 @@ static struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl33_entry) SET_PARAM_HEAD(bl2_to_bl31_params->bl31_image_info, ATF_PARAM_IMAGE_BINARY, ATF_VERSION_1, 0); - /* Fill BL32 related information if it exists */ + + /* Fill BL32 related information */ bl2_to_bl31_params->bl32_ep_info = &bl31_params_mem.bl32_ep_info; - SET_PARAM_HEAD(bl2_to_bl31_params->bl32_ep_info, ATF_PARAM_EP, - ATF_VERSION_1, 0); + bl32_ep_info = &bl31_params_mem.bl32_ep_info; + SET_PARAM_HEAD(bl32_ep_info, ATF_PARAM_EP, ATF_VERSION_1, + ATF_EP_SECURE); + + /* secure payload is optional, so set pc to 0 if absent */ + bl32_ep_info->args.arg3 = fdt_addr; + bl32_ep_info->pc = bl32_entry ? bl32_entry : 0; + bl32_ep_info->spsr = SPSR_64(MODE_EL1, MODE_SP_ELX, + DISABLE_ALL_EXECPTIONS); + bl2_to_bl31_params->bl32_image_info = &bl31_params_mem.bl32_image_info; SET_PARAM_HEAD(bl2_to_bl31_params->bl32_image_info, ATF_PARAM_IMAGE_BINARY, ATF_VERSION_1, 0); -#ifndef BL32_BASE - bl2_to_bl31_params->bl32_ep_info->pc = 0; -#endif /* BL32_BASE */ /* Fill BL33 related information */ bl2_to_bl31_params->bl33_ep_info = &bl31_params_mem.bl33_ep_info; @@ -86,13 +95,14 @@ static inline void raw_write_daif(unsigned int daif) typedef void (*atf_entry_t)(struct bl31_params *params, void *plat_params); -static void bl31_entry(uintptr_t bl31_entry, uintptr_t bl33_entry, - uintptr_t fdt_addr) +static void bl31_entry(uintptr_t bl31_entry, uintptr_t bl32_entry, + uintptr_t bl33_entry, uintptr_t fdt_addr) { struct bl31_params *bl31_params; atf_entry_t atf_entry = (atf_entry_t)bl31_entry; - bl31_params = bl2_plat_get_bl31_params(bl33_entry); + bl31_params = bl2_plat_get_bl31_params(bl32_entry, bl33_entry, + fdt_addr); raw_write_daif(SPSR_EXCEPTION_MASK); dcache_disable(); @@ -100,7 +110,7 @@ static void bl31_entry(uintptr_t bl31_entry, uintptr_t bl33_entry, atf_entry((void *)bl31_params, (void *)fdt_addr); } -static int spl_fit_images_find_uboot(void *blob) +static int spl_fit_images_find(void *blob, int os) { int parent, node, ndepth; const void *data; @@ -122,7 +132,7 @@ static int spl_fit_images_find_uboot(void *blob) if (!data) continue; - if (genimg_get_os_id(data) == IH_OS_U_BOOT) + if (genimg_get_os_id(data) == os) return node; }; @@ -143,19 +153,29 @@ uintptr_t spl_fit_images_get_entry(void *blob, int node) void spl_invoke_atf(struct spl_image_info *spl_image) { + uintptr_t bl32_entry = 0; uintptr_t bl33_entry = CONFIG_SYS_TEXT_BASE; void *blob = spl_image->fdt_addr; uintptr_t platform_param = (uintptr_t)blob; int node; /* + * Find the OP-TEE binary (in /fit-images) load address or + * entry point (if different) and pass it as the BL3-2 entry + * point, this is optional. + */ + node = spl_fit_images_find(blob, IH_OS_TEE); + if (node >= 0) + bl32_entry = spl_fit_images_get_entry(blob, node); + + /* * Find the U-Boot binary (in /fit-images) load addreess or * entry point (if different) and pass it as the BL3-3 entry * point. * This will need to be extended to support Falcon mode. */ - node = spl_fit_images_find_uboot(blob); + node = spl_fit_images_find(blob, IH_OS_U_BOOT); if (node >= 0) bl33_entry = spl_fit_images_get_entry(blob, node); @@ -172,5 +192,6 @@ void spl_invoke_atf(struct spl_image_info *spl_image) * We don't provide a BL3-2 entry yet, but this will be possible * using similar logic. */ - bl31_entry(spl_image->entry_point, bl33_entry, platform_param); + bl31_entry(spl_image->entry_point, bl32_entry, + bl33_entry, platform_param); } |