zynqmp: FSBL->ATF handover
Parse the parameter structure the FSBL populates, to populate the bl32
and bl33 image structures.
Cc: Sarat Chand Savitala <saratcha@xilinx.com>
Cc: petalinux-dev@xilinx.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
[ SB
- pass pointers to structs instead of structs
- handle execution state parameter
- populate bl32 SPSR
- add documentation
- query bootmode and consider missing handoff parameters an error when
not in JTAG boot mode
]
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
diff --git a/plat/xilinx/zynqmp/bl31_zynqmp_setup.c b/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
index 9c9d18d..7b8c567 100644
--- a/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
+++ b/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
@@ -113,25 +113,25 @@
* present.
*/
- /* Populate entry point information for BL32 and BL33 */
+ /* Populate common information for BL32 and BL33 */
SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0);
SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE);
- bl32_image_ep_info.pc = BL32_BASE;
- bl32_image_ep_info.spsr = arm_get_spsr_for_bl32_entry();
-
- NOTICE("BL31: Secure code at 0x%lx\n", bl32_image_ep_info.pc);
-
SET_PARAM_HEAD(&bl33_image_ep_info, PARAM_EP, VERSION_1, 0);
-
- /*
- * Tell BL31 where the non-trusted software image
- * is located and the entry state information
- */
- bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
- bl33_image_ep_info.spsr = SPSR_64(MODE_EL2, MODE_SP_ELX,
- DISABLE_ALL_EXCEPTIONS);
SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
+ if (zynqmp_get_bootmode() == ZYNQMP_BOOTMODE_JTAG) {
+ /* use build time defaults in JTAG boot mode */
+ bl32_image_ep_info.pc = BL32_BASE;
+ bl32_image_ep_info.spsr = arm_get_spsr_for_bl32_entry();
+ bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
+ bl33_image_ep_info.spsr = SPSR_64(MODE_EL2, MODE_SP_ELX,
+ DISABLE_ALL_EXCEPTIONS);
+ } else {
+ /* use parameters from FSBL */
+ fsbl_atf_handover(&bl32_image_ep_info, &bl33_image_ep_info);
+ }
+
+ NOTICE("BL31: Secure code at 0x%lx\n", bl32_image_ep_info.pc);
NOTICE("BL31: Non secure code at 0x%lx\n", bl33_image_ep_info.pc);
}