Merge "arm: Shorten the Firmware Update (FWU) process" into integration

19 files changed, 191 insertions, 50 deletions

diff --git a/plat/arm/board/a5ds/a5ds_err.c b/plat/arm/board/a5ds/a5ds_err.c
new file mode 100644
index 00000000..65b41dd4
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * a5ds error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/board/a5ds/platform.mk b/plat/arm/board/a5ds/platform.mk
index 4fd357b8..d42b2bfa 100644
--- a/plat/arm/board/a5ds/platform.mk
+++ b/plat/arm/board/a5ds/platform.mk
@@ -36,6 +36,7 @@ BL1_SOURCES		+=	drivers/io/io_fip.c				\
 				drivers/cfi/v2m/v2m_flash.c			\
 				plat/arm/common/arm_bl1_setup.c			\
 				plat/arm/common/arm_err.c			\
+				plat/arm/board/a5ds/a5ds_err.c			\
 				plat/arm/common/arm_io_storage.c		\
 				plat/arm/board/a5ds/${ARCH}/a5ds_helpers.S	\
 				plat/arm/board/a5ds/a5ds_bl1_setup.c		\
@@ -55,6 +56,7 @@ BL2_SOURCES		+=	lib/aarch32/arm32_aeabi_divmod.c		\
 				plat/arm/board/a5ds/a5ds_bl2_setup.c		\
 				plat/arm/common/arm_bl2_setup.c			\
 				plat/arm/common/arm_err.c			\
+				plat/arm/board/a5ds/a5ds_err.c			\
 				plat/arm/common/arm_io_storage.c		\
 				plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c	\
 				plat/arm/common/arm_image_load.c		\
diff --git a/plat/arm/board/fvp/fvp_bl1_setup.c b/plat/arm/board/fvp/fvp_bl1_setup.c
index 420df455..b90ddcd3 100644
--- a/plat/arm/board/fvp/fvp_bl1_setup.c
+++ b/plat/arm/board/fvp/fvp_bl1_setup.c
@@ -52,3 +52,12 @@ void bl1_platform_setup(void)
 	if ((arm_config.flags & ARM_CONFIG_FVP_HAS_SMMUV3) != 0U)
 		smmuv3_security_init(PLAT_FVP_SMMUV3_BASE);
 }
+
+__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved)
+{
+	/* Setup the watchdog to reset the system as soon as possible */
+	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
+	while (1)
+		wfi();
+}
diff --git a/plat/arm/board/fvp/fvp_err.c b/plat/arm/board/fvp/fvp_err.c
new file mode 100644
index 00000000..2437cd47
--- /dev/null
+++ b/plat/arm/board/fvp/fvp_err.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+
+#include <common/debug.h>
+#include <drivers/arm/sp805.h>
+#include <drivers/cfi/v2m_flash.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+/*
+ * FVP error handler
+ */
+__dead2 void plat_arm_error_handler(int err)
+{
+	int ret;
+
+	switch (err) {
+	case -ENOENT:
+	case -EAUTH:
+		/* Image load or authentication error. Erase the ToC */
+		INFO("Erasing FIP ToC from flash...\n");
+		(void)nor_unlock(PLAT_ARM_FIP_BASE);
+		ret = nor_word_program(PLAT_ARM_FIP_BASE, 0);
+		if (ret != 0) {
+			ERROR("Cannot erase ToC\n");
+		} else {
+			INFO("Done\n");
+		}
+		break;
+	default:
+		/* Unexpected error */
+		break;
+	}
+
+	(void)console_flush();
+
+	/* Setup the watchdog to reset the system as soon as possible */
+	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
+	for (;;)
+		wfi();
+}
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 5fc9983b..0eb62c44 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -132,17 +132,20 @@ BL1_SOURCES		+=	drivers/arm/smmu/smmu_v3.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/arm/board/fvp/${ARCH}/fvp_helpers.S	\
 				plat/arm/board/fvp/fvp_bl1_setup.c		\
+				plat/arm/board/fvp/fvp_err.c			\
 				plat/arm/board/fvp/fvp_io_storage.c		\
 				plat/arm/board/fvp/fvp_trusted_boot.c		\
 				${FVP_CPU_LIBS}					\
 				${FVP_INTERCONNECT_SOURCES}
 
 
-BL2_SOURCES		+=	drivers/io/io_semihosting.c			\
+BL2_SOURCES		+=	drivers/arm/sp805/sp805.c			\
+				drivers/io/io_semihosting.c			\
 				lib/utils/mem_region.c				\
 				lib/semihosting/semihosting.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/arm/board/fvp/fvp_bl2_setup.c		\
+				plat/arm/board/fvp/fvp_err.c			\
 				plat/arm/board/fvp/fvp_io_storage.c		\
 				plat/arm/board/fvp/fvp_trusted_boot.c		\
 				plat/arm/common/arm_nor_psci_mem_protect.c	\
diff --git a/plat/arm/board/fvp_ve/fvp_ve_err.c b/plat/arm/board/fvp_ve/fvp_ve_err.c
new file mode 100644
index 00000000..7f9d2f7e
--- /dev/null
+++ b/plat/arm/board/fvp_ve/fvp_ve_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * FVP VE error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/board/fvp_ve/platform.mk b/plat/arm/board/fvp_ve/platform.mk
index f85452da..4d21f4ba 100644
--- a/plat/arm/board/fvp_ve/platform.mk
+++ b/plat/arm/board/fvp_ve/platform.mk
@@ -40,6 +40,7 @@ BL1_SOURCES		+=	drivers/arm/sp805/sp805.c			\
 				drivers/io/io_storage.c				\
 				plat/arm/common/arm_bl1_setup.c			\
 				plat/arm/common/arm_err.c			\
+				plat/arm/board/fvp_ve/fvp_ve_err.c		\
 				plat/arm/common/arm_io_storage.c		\
 				drivers/cfi/v2m/v2m_flash.c			\
 				plat/arm/board/fvp_ve/${ARCH}/fvp_ve_helpers.S	\
@@ -60,6 +61,7 @@ BL2_SOURCES		+=	plat/arm/board/fvp_ve/fvp_ve_bl2_setup.c		\
 				drivers/io/io_storage.c				\
 				plat/arm/common/arm_bl2_setup.c			\
 				plat/arm/common/arm_err.c			\
+				plat/arm/board/fvp_ve/fvp_ve_err.c		\
 				plat/arm/common/arm_io_storage.c		\
 				plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c	\
 				plat/arm/common/arm_image_load.c		\
diff --git a/plat/arm/board/juno/juno_bl1_setup.c b/plat/arm/board/juno/juno_bl1_setup.c
index 7a3d22de..89398d68 100644
--- a/plat/arm/board/juno/juno_bl1_setup.c
+++ b/plat/arm/board/juno/juno_bl1_setup.c
@@ -98,6 +98,9 @@ __dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved)
 	/* Clear the NV flags register. */
 	*nv_flags_clr = *nv_flags_ptr;
 
+	/* Setup the watchdog to reset the system as soon as possible */
+	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
 	while (1)
 		wfi();
 }
diff --git a/plat/arm/board/juno/juno_err.c b/plat/arm/board/juno/juno_err.c
index 700b96cb..961bfda1 100644
--- a/plat/arm/board/juno/juno_err.c
+++ b/plat/arm/board/juno/juno_err.c
@@ -7,6 +7,7 @@
 #include <errno.h>
 
 #include <arch_helpers.h>
+#include <drivers/arm/sp805.h>
 #include <plat/arm/common/plat_arm.h>
 #include <plat/common/platform.h>
 #include <platform_def.h>
@@ -21,7 +22,9 @@ void __dead2 plat_arm_error_handler(int err)
 	/* Propagate the err code in the NV-flags register */
 	*flags_ptr = err;
 
-	/* Loop until the watchdog resets the system */
+	/* Setup the watchdog to reset the system as soon as possible */
+	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
 	for (;;)
 		wfi();
 }
diff --git a/plat/arm/board/juno/platform.mk b/plat/arm/board/juno/platform.mk
index 40e62644..ea7f8517 100644
--- a/plat/arm/board/juno/platform.mk
+++ b/plat/arm/board/juno/platform.mk
@@ -66,7 +66,8 @@ BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a53.S		\
 				${JUNO_INTERCONNECT_SOURCES}		\
 				${JUNO_SECURITY_SOURCES}
 
-BL2_SOURCES		+=	lib/utils/mem_region.c			\
+BL2_SOURCES		+=	drivers/arm/sp805/sp805.c		\
+				lib/utils/mem_region.c			\
 				plat/arm/board/juno/juno_err.c		\
 				plat/arm/board/juno/juno_bl2_setup.c	\
 				plat/arm/common/arm_nor_psci_mem_protect.c \
diff --git a/plat/arm/board/rde1edge/platform.mk b/plat/arm/board/rde1edge/platform.mk
index 833bb821..db41e0ed 100644
--- a/plat/arm/board/rde1edge/platform.mk
+++ b/plat/arm/board/rde1edge/platform.mk
@@ -12,10 +12,12 @@ PLAT_INCLUDES		+=	-I${RDE1EDGE_BASE}/include/
 
 SGI_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_e1.S
 
-BL1_SOURCES		+=	${SGI_CPU_SOURCES}
+BL1_SOURCES		+=	${SGI_CPU_SOURCES}			\
+				${RDE1EDGE_BASE}/rde1edge_err.c
 
 BL2_SOURCES		+=	${RDE1EDGE_BASE}/rde1edge_plat.c	\
 				${RDE1EDGE_BASE}/rde1edge_security.c	\
+				${RDE1EDGE_BASE}/rde1edge_err.c		\
 				drivers/arm/tzc/tzc_dmc620.c		\
 				lib/utils/mem_region.c			\
 				plat/arm/common/arm_nor_psci_mem_protect.c
diff --git a/plat/arm/board/rde1edge/rde1edge_err.c b/plat/arm/board/rde1edge/rde1edge_err.c
new file mode 100644
index 00000000..e344d826
--- /dev/null
+++ b/plat/arm/board/rde1edge/rde1edge_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * rde1edge error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/board/rdn1edge/platform.mk b/plat/arm/board/rdn1edge/platform.mk
index cacdaa13..b44c70a3 100644
--- a/plat/arm/board/rdn1edge/platform.mk
+++ b/plat/arm/board/rdn1edge/platform.mk
@@ -12,10 +12,12 @@ PLAT_INCLUDES		+=	-I${RDN1EDGE_BASE}/include/
 
 SGI_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_n1.S
 
-BL1_SOURCES		+=	${SGI_CPU_SOURCES}
+BL1_SOURCES		+=	${SGI_CPU_SOURCES}			\
+				${RDN1EDGE_BASE}/rdn1edge_err.c
 
 BL2_SOURCES		+=	${RDN1EDGE_BASE}/rdn1edge_plat.c	\
 				${RDN1EDGE_BASE}/rdn1edge_security.c	\
+				${RDN1EDGE_BASE}/rdn1edge_err.c		\
 				drivers/arm/tzc/tzc_dmc620.c		\
 				lib/utils/mem_region.c			\
 				plat/arm/common/arm_nor_psci_mem_protect.c
diff --git a/plat/arm/board/rdn1edge/rdn1edge_err.c b/plat/arm/board/rdn1edge/rdn1edge_err.c
new file mode 100644
index 00000000..cdcbf256
--- /dev/null
+++ b/plat/arm/board/rdn1edge/rdn1edge_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * rdn1edge error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/board/sgi575/platform.mk b/plat/arm/board/sgi575/platform.mk
index e72225d3..b9fa0995 100644
--- a/plat/arm/board/sgi575/platform.mk
+++ b/plat/arm/board/sgi575/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,10 +12,12 @@ PLAT_INCLUDES		+=	-I${SGI575_BASE}/include/
 
 SGI_CPU_SOURCES		:=	lib/cpus/aarch64/cortex_a75.S
 
-BL1_SOURCES		+=	${SGI_CPU_SOURCES}
+BL1_SOURCES		+=	${SGI_CPU_SOURCES}			\
+				${SGI575_BASE}/sgi575_err.c
 
 BL2_SOURCES		+=	${SGI575_BASE}/sgi575_plat.c		\
 				${SGI575_BASE}/sgi575_security.c	\
+				${SGI575_BASE}/sgi575_err.c		\
 				drivers/arm/tzc/tzc_dmc620.c		\
 				lib/utils/mem_region.c			\
 				plat/arm/common/arm_nor_psci_mem_protect.c
diff --git a/plat/arm/board/sgi575/sgi575_err.c b/plat/arm/board/sgi575/sgi575_err.c
new file mode 100644
index 00000000..c1cc1a7f
--- /dev/null
+++ b/plat/arm/board/sgi575/sgi575_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * sgi575 error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/board/sgm775/platform.mk b/plat/arm/board/sgm775/platform.mk
index c8337554..7a843c36 100644
--- a/plat/arm/board/sgm775/platform.mk
+++ b/plat/arm/board/sgm775/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,7 +12,10 @@ FDT_SOURCES += ${SGM775_BASE}/fdts/sgm775_tb_fw_config.dts
 
 PLAT_INCLUDES +=-I${SGM775_BASE}/include/
 
+BL1_SOURCES		+=	${SGM775_BASE}/sgm775_err.c
+
 BL2_SOURCES		+=	lib/utils/mem_region.c                  \
+				${SGM775_BASE}/sgm775_err.c		\
 				plat/arm/common/arm_nor_psci_mem_protect.c
 
 BL31_SOURCES		+=	drivers/cfi/v2m/v2m_flash.c		\
diff --git a/plat/arm/board/sgm775/sgm775_err.c b/plat/arm/board/sgm775/sgm775_err.c
new file mode 100644
index 00000000..e1e05860
--- /dev/null
+++ b/plat/arm/board/sgm775/sgm775_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * sgm775 error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+	while (1) {
+		wfi();
+	}
+}
diff --git a/plat/arm/common/arm_err.c b/plat/arm/common/arm_err.c
index e77f5dc5..f80ba78c 100644
--- a/plat/arm/common/arm_err.c
+++ b/plat/arm/common/arm_err.c
@@ -1,55 +1,14 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <errno.h>
-#include <stdint.h>
 
-#include <platform_def.h>
-
-#include <arch_helpers.h>
-#include <common/debug.h>
-#include <drivers/cfi/v2m_flash.h>
-#include <drivers/console.h>
 #include <plat/arm/common/plat_arm.h>
 #include <plat/common/platform.h>
 
-#pragma weak plat_arm_error_handler
-
-/*
- * ARM common implementation for error handler
- */
-void __dead2 plat_arm_error_handler(int err)
-{
-	int ret;
-
-	switch (err) {
-	case -ENOENT:
-	case -EAUTH:
-		/* Image load or authentication error. Erase the ToC */
-		INFO("Erasing FIP ToC from flash...\n");
-		(void)nor_unlock(PLAT_ARM_FIP_BASE);
-		ret = nor_word_program(PLAT_ARM_FIP_BASE, 0);
-		if (ret != 0) {
-			ERROR("Cannot erase ToC\n");
-		} else {
-			INFO("Done\n");
-		}
-		break;
-	default:
-		/* Unexpected error */
-		break;
-	}
-
-	(void)console_flush();
-
-	/* Loop until the watchdog resets the system */
-	for (;;)
-		wfi();
-}
-
 void __dead2 plat_error_handler(int err)
 {
 	plat_arm_error_handler(err);