feat(sgi): enable css implementation of warm reset
Enable the CSS implementation of the warm reset for the rdn2 platform.
In addition to these changes, fix coding style issues that are not
directly related to the code being introduced in this patch.
Change-Id: I75128d8bbcccbc26cf1e904691c7ef71349c622f
Signed-off-by: Pranav Madhu <pranav.madhu@arm.com>
diff --git a/plat/arm/board/rdn2/include/platform_def.h b/plat/arm/board/rdn2/include/platform_def.h
index 464a157..3474016 100644
--- a/plat/arm/board/rdn2/include/platform_def.h
+++ b/plat/arm/board/rdn2/include/platform_def.h
@@ -96,4 +96,8 @@
#define PLAT_ARM_GICR_BASE UL(0x301C0000)
#endif
+/* Interrupt priority level for shutdown/reboot */
+#define PLAT_REBOOT_PRI GIC_HIGHEST_SEC_PRIORITY
+#define PLAT_EHF_DESC EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_REBOOT_PRI)
+
#endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/rdn2/platform.mk b/plat/arm/board/rdn2/platform.mk
index b882dc8..cfe4e28 100644
--- a/plat/arm/board/rdn2/platform.mk
+++ b/plat/arm/board/rdn2/platform.mk
@@ -1,4 +1,4 @@
-# Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2020-2022, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -24,6 +24,9 @@
GICV3_IMPL_GIC600_MULTICHIP := 1
endif
+override CSS_SYSTEM_GRACEFUL_RESET := 1
+override EL3_EXCEPTION_HANDLING := 1
+
include plat/arm/css/sgi/sgi-common.mk
RDN2_BASE = plat/arm/board/rdn2
diff --git a/plat/arm/css/sgi/sgi_bl31_setup.c b/plat/arm/css/sgi/sgi_bl31_setup.c
index 99f2f20..7ef7e6f 100644
--- a/plat/arm/css/sgi/sgi_bl31_setup.c
+++ b/plat/arm/css/sgi/sgi_bl31_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -13,8 +13,11 @@
#include <drivers/arm/css/css_mhu_doorbell.h>
#include <drivers/arm/css/scmi.h>
#include <plat/arm/common/plat_arm.h>
+
#include <plat/common/platform.h>
+#include <plat/arm/css/common/css_pm.h>
+
#include <sgi_ras.h>
#include <sgi_variant.h>
@@ -105,6 +108,15 @@
#if RAS_EXTENSION
sgi_ras_intr_handler_setup();
#endif
+
+ /* Configure the warm reboot SGI for primary core */
+ css_setup_cpu_pwr_down_intr();
+
+#if CSS_SYSTEM_GRACEFUL_RESET
+ /* Register priority level handlers for reboot */
+ ehf_register_priority_handler(PLAT_REBOOT_PRI,
+ css_reboot_interrupt_handler);
+#endif
}
const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)