feat(arm): support FW handoff b/w BL2 & BL31
Add support for the firmware handoff framework between BL2 and BL31.
Create a transfer list in trusted SRAM, leveraging the larger SRAM sizes
in recent models. Load the HW_CONFIG as a TE along with entry point
parameters for BL31 execution.
Change-Id: I7c4c6e8353ca978a13520fb3e15fb2803f0f1d0e
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/plat/arm/board/fvp/fvp_bl31_setup.c b/plat/arm/board/fvp/fvp_bl31_setup.c
index 93289b6..e087565 100644
--- a/plat/arm/board/fvp/fvp_bl31_setup.c
+++ b/plat/arm/board/fvp/fvp_bl31_setup.c
@@ -5,12 +5,15 @@
*/
#include <assert.h>
+
+#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/arm/smmu_v3.h>
#include <fconf_hw_config_getter.h>
#include <lib/fconf/fconf.h>
#include <lib/fconf/fconf_dyn_cfg_getter.h>
#include <lib/mmio.h>
+
#include <plat/arm/common/arm_config.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
@@ -25,6 +28,9 @@
/* Initialize the console to provide early debug support */
arm_console_boot_init();
+#if TRANSFER_LIST
+ arm_bl31_early_platform_setup(arg0, arg1, arg2, arg3);
+#else
#if !RESET_TO_BL31 && !RESET_TO_BL2
const struct dyn_cfg_dtb_info_t *soc_fw_config_info;
@@ -48,8 +54,8 @@
assert(hw_config_info->secondary_config_addr != 0UL);
arg2 = hw_config_info->secondary_config_addr;
#endif /* !RESET_TO_BL31 && !RESET_TO_BL2 */
-
arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
+#endif /* TRANSFER_LIST */
/* Initialize the platform config for future decision making */
fvp_config_setup();
@@ -88,6 +94,7 @@
}
}
+#if !TRANSFER_LIST
void __init bl31_plat_arch_setup(void)
{
int rc __unused;
@@ -142,6 +149,7 @@
}
#endif /* !RESET_TO_BL31 && !RESET_TO_BL2 && !ARM_XLAT_TABLES_LIB_V1 */
}
+#endif /* TRANSFER_LIST */
unsigned int plat_get_syscnt_freq2(void)
{