diff options
Diffstat (limited to 'bl2')
| -rw-r--r-- | bl2/bl2_main.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/bl2/bl2_main.c b/bl2/bl2_main.c index f8a2372f..a3f016f9 100644 --- a/bl2/bl2_main.c +++ b/bl2/bl2_main.c @@ -83,6 +83,7 @@ static int load_bl30(void) return e; } +#ifndef EL3_PAYLOAD_BASE /******************************************************************************* * Load the BL3-1 image. * The bl2_to_bl31_params and bl31_ep_info params will be updated with the @@ -190,6 +191,7 @@ static int load_bl33(bl31_params_t *bl2_to_bl31_params) return e; } +#endif /* EL3_PAYLOAD_BASE */ /******************************************************************************* * The only thing to do in BL2 is to load further images and pass control to @@ -232,6 +234,22 @@ void bl2_main(void) bl2_to_bl31_params = bl2_plat_get_bl31_params(); bl31_ep_info = bl2_plat_get_bl31_ep_info(); +#ifdef EL3_PAYLOAD_BASE + /* + * In the case of an EL3 payload, we don't need to load any further + * images. Just update the BL31 entrypoint info structure to make BL1 + * jump to the EL3 payload. + * The pointer to the memory the platform has set aside to pass + * information to BL3-1 in the normal boot flow is reused here, even + * though only a fraction of the information contained in the + * bl31_params_t structure makes sense in the context of EL3 payloads. + * This will be refined in the future. + */ + VERBOSE("BL2: Populating the entrypoint info for the EL3 payload\n"); + bl31_ep_info->pc = EL3_PAYLOAD_BASE; + bl31_ep_info->args.arg0 = (unsigned long) bl2_to_bl31_params; + bl2_plat_set_bl31_ep_info(NULL, bl31_ep_info); +#else e = load_bl31(bl2_to_bl31_params, bl31_ep_info); if (e) { ERROR("Failed to load BL3-1 (%i)\n", e); @@ -253,6 +271,7 @@ void bl2_main(void) ERROR("Failed to load BL3-3 (%i)\n", e); plat_error_handler(e); } +#endif /* EL3_PAYLOAD_BASE */ /* Flush the params to be passed to memory */ bl2_plat_flush_bl31_params(); |