Merge "dts: stm32mp157c: fix etzpc node location in DTSI file" into integration
diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 258f73d..591f2f8 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -227,11 +227,10 @@
 -  ``ERRATA_A76_1275112``: This applies errata 1275112 workaround to Cortex-A76
    CPU. This needs to be enabled only for revision <= r3p0 of the CPU.
 
-For Hercules, the following errata build flags are defined :
+For Cortex-A78, the following errata build flags are defined :
 
--  ``ERRATA_HERCULES_1688305``: This applies errata 1688305 workaround to
-   Hercules CPU. This needs to be enabled only for revision r0p0 - r1p0 of
-   the CPU.
+-  ``ERRATA_A78_1688305``: This applies errata 1688305 workaround to Cortex-A78
+   CPU. This needs to be enabled only for revision r0p0 - r1p0 of the CPU.
 
 For Neoverse N1, the following errata build flags are defined :
 
@@ -338,7 +337,7 @@
 
 --------------
 
-*Copyright (c) 2014-2019, Arm Limited and Contributors. All rights reserved.*
+*Copyright (c) 2014-2020, Arm Limited and Contributors. All rights reserved.*
 
 .. _CVE-2017-5715: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5715
 .. _CVE-2018-3639: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639
diff --git a/include/lib/cpus/aarch64/cortex_hercules.h b/include/lib/cpus/aarch64/cortex_a78.h
similarity index 64%
rename from include/lib/cpus/aarch64/cortex_hercules.h
rename to include/lib/cpus/aarch64/cortex_a78.h
index d5ca85e..0d4712b 100644
--- a/include/lib/cpus/aarch64/cortex_hercules.h
+++ b/include/lib/cpus/aarch64/cortex_a78.h
@@ -1,34 +1,34 @@
 /*
- * Copyright (c) 2019, ARM Limited. All rights reserved.
+ * Copyright (c) 2019-2020, ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef CORTEX_HERCULES_H
-#define CORTEX_HERCULES_H
+#ifndef CORTEX_A78_H
+#define CORTEX_A78_H
 
 #include <lib/utils_def.h>
 
-#define CORTEX_HERCULES_MIDR					U(0x410FD410)
+#define CORTEX_A78_MIDR					U(0x410FD410)
 
 /*******************************************************************************
  * CPU Extended Control register specific definitions.
  ******************************************************************************/
-#define CORTEX_HERCULES_CPUECTLR_EL1				S3_0_C15_C1_4
+#define CORTEX_A78_CPUECTLR_EL1				S3_0_C15_C1_4
 
 /*******************************************************************************
  * CPU Power Control register specific definitions
  ******************************************************************************/
-#define CORTEX_HERCULES_CPUPWRCTLR_EL1				S3_0_C15_C2_7
-#define CORTEX_HERCULES_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT	U(1)
+#define CORTEX_A78_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT	U(1)
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CORTEX_HERCULES_ACTLR_TAM_BIT				(ULL(1) << 30)
+#define CORTEX_A78_ACTLR_TAM_BIT				(ULL(1) << 30)
 
-#define CORTEX_HERCULES_ACTLR2_EL1				S3_0_C15_C1_1
-#define CORTEX_HERCULES_ACTLR2_EL1_BIT_1			(ULL(1) << 1)
+#define CORTEX_A78_ACTLR2_EL1				S3_0_C15_C1_1
+#define CORTEX_A78_ACTLR2_EL1_BIT_1			(ULL(1) << 1)
 
 /*******************************************************************************
  * CPU Activity Monitor Unit register specific definitions.
@@ -38,7 +38,7 @@
 #define CPUAMCNTENCLR1_EL0					S3_3_C15_C3_0
 #define CPUAMCNTENSET1_EL0					S3_3_C15_C3_1
 
-#define CORTEX_HERCULES_AMU_GROUP0_MASK				U(0xF)
-#define CORTEX_HERCULES_AMU_GROUP1_MASK				U(0x7)
+#define CORTEX_A78_AMU_GROUP0_MASK				U(0xF)
+#define CORTEX_A78_AMU_GROUP1_MASK				U(0x7)
 
-#endif /* CORTEX_HERCULES_H */
+#endif /* CORTEX_A78_H */
diff --git a/include/lib/cpus/aarch64/cortex_hercules_ae.h b/include/lib/cpus/aarch64/cortex_hercules_ae.h
index 795563b..73c22f7 100644
--- a/include/lib/cpus/aarch64/cortex_hercules_ae.h
+++ b/include/lib/cpus/aarch64/cortex_hercules_ae.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, ARM Limited. All rights reserved.
+ * Copyright (c) 2019-2020, ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,7 +7,7 @@
 #ifndef CORTEX_HERCULES_AE_H
 #define CORTEX_HERCULES_AE_H
 
-#include <cortex_hercules.h>
+#include <cortex_a78.h>
 
 #define CORTEX_HERCULES_AE_MIDR U(0x410FD420)
 
diff --git a/lib/cpus/aarch64/cortex_a78.S b/lib/cpus/aarch64/cortex_a78.S
new file mode 100644
index 0000000..9914f12
--- /dev/null
+++ b/lib/cpus/aarch64/cortex_a78.S
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2019-2020, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <cortex_a78.h>
+#include <cpu_macros.S>
+#include <plat_macros.S>
+
+/* Hardware handled coherency */
+#if HW_ASSISTED_COHERENCY == 0
+#error "cortex_a78 must be compiled with HW_ASSISTED_COHERENCY enabled"
+#endif
+
+
+/* --------------------------------------------------
+ * Errata Workaround for A78 Erratum 1688305.
+ * This applies to revision r0p0 and r1p0 of A78.
+ * Inputs:
+ * x0: variant[4:7] and revision[0:3] of current cpu.
+ * Shall clobber: x0-x17
+ * --------------------------------------------------
+ */
+func errata_a78_1688305_wa
+	/* Compare x0 against revision r1p0 */
+	mov	x17, x30
+	bl	check_errata_1688305
+	cbz	x0, 1f
+	mrs     x1, CORTEX_A78_ACTLR2_EL1
+	orr	x1, x1, CORTEX_A78_ACTLR2_EL1_BIT_1
+	msr     CORTEX_A78_ACTLR2_EL1, x1
+	isb
+1:
+	ret	x17
+endfunc errata_a78_1688305_wa
+
+func check_errata_1688305
+	/* Applies to r0p0 and r1p0 */
+	mov	x1, #0x10
+	b	cpu_rev_var_ls
+endfunc check_errata_1688305
+
+	/* -------------------------------------------------
+	 * The CPU Ops reset function for Cortex-A78
+	 * -------------------------------------------------
+	 */
+func cortex_a78_reset_func
+	mov	x19, x30
+	bl	cpu_get_rev_var
+	mov	x18, x0
+
+#if ERRATA_A78_1688305
+	mov     x0, x18
+	bl	errata_a78_1688305_wa
+#endif
+
+#if ENABLE_AMU
+	/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
+	mrs	x0, actlr_el3
+	bic	x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
+	msr	actlr_el3, x0
+
+	/* Make sure accesses from non-secure EL0/EL1 are not trapped to EL2 */
+	mrs	x0, actlr_el2
+	bic	x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
+	msr	actlr_el2, x0
+
+	/* Enable group0 counters */
+	mov	x0, #CORTEX_A78_AMU_GROUP0_MASK
+	msr	CPUAMCNTENSET0_EL0, x0
+
+	/* Enable group1 counters */
+	mov	x0, #CORTEX_A78_AMU_GROUP1_MASK
+	msr	CPUAMCNTENSET1_EL0, x0
+#endif
+
+	isb
+	ret	x19
+endfunc cortex_a78_reset_func
+
+	/* ---------------------------------------------
+	 * HW will do the cache maintenance while powering down
+	 * ---------------------------------------------
+	 */
+func cortex_a78_core_pwr_dwn
+	/* ---------------------------------------------
+	 * Enable CPU power down bit in power control register
+	 * ---------------------------------------------
+	 */
+	mrs	x0, CORTEX_A78_CPUPWRCTLR_EL1
+	orr	x0, x0, #CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
+	msr	CORTEX_A78_CPUPWRCTLR_EL1, x0
+	isb
+	ret
+endfunc cortex_a78_core_pwr_dwn
+
+	/*
+	 * Errata printing function for cortex_a78. Must follow AAPCS.
+	 */
+#if REPORT_ERRATA
+func cortex_a78_errata_report
+	stp	x8, x30, [sp, #-16]!
+
+	bl	cpu_get_rev_var
+	mov	x8, x0
+
+	/*
+	 * Report all errata. The revision-variant information is passed to
+	 * checking functions of each errata.
+	 */
+	report_errata ERRATA_A78_1688305, cortex_a78, 1688305
+
+	ldp	x8, x30, [sp], #16
+	ret
+endfunc cortex_a78_errata_report
+#endif
+
+	/* ---------------------------------------------
+	 * This function provides cortex_a78 specific
+	 * register information for crash reporting.
+	 * It needs to return with x6 pointing to
+	 * a list of register names in ascii and
+	 * x8 - x15 having values of registers to be
+	 * reported.
+	 * ---------------------------------------------
+	 */
+.section .rodata.cortex_a78_regs, "aS"
+cortex_a78_regs:  /* The ascii list of register names to be reported */
+	.asciz	"cpuectlr_el1", ""
+
+func cortex_a78_cpu_reg_dump
+	adr	x6, cortex_a78_regs
+	mrs	x8, CORTEX_A78_CPUECTLR_EL1
+	ret
+endfunc cortex_a78_cpu_reg_dump
+
+declare_cpu_ops cortex_a78, CORTEX_A78_MIDR, \
+	cortex_a78_reset_func, \
+	cortex_a78_core_pwr_dwn
diff --git a/lib/cpus/aarch64/cortex_hercules.S b/lib/cpus/aarch64/cortex_hercules.S
deleted file mode 100644
index a239196..0000000
--- a/lib/cpus/aarch64/cortex_hercules.S
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2019, ARM Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <common/bl_common.h>
-#include <cortex_hercules.h>
-#include <cpu_macros.S>
-#include <plat_macros.S>
-
-/* Hardware handled coherency */
-#if HW_ASSISTED_COHERENCY == 0
-#error "cortex_hercules must be compiled with HW_ASSISTED_COHERENCY enabled"
-#endif
-
-
-/* --------------------------------------------------
- * Errata Workaround for Hercules Erratum 1688305.
- * This applies to revision r0p0 and r1p0 of Hercules.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * --------------------------------------------------
- */
-func errata_hercules_1688305_wa
-	/* Compare x0 against revision r1p0 */
-	mov	x17, x30
-	bl	check_errata_1688305
-	cbz	x0, 1f
-	mrs     x1, CORTEX_HERCULES_ACTLR2_EL1
-	orr	x1, x1, CORTEX_HERCULES_ACTLR2_EL1_BIT_1
-	msr     CORTEX_HERCULES_ACTLR2_EL1, x1
-	isb
-1:
-	ret	x17
-endfunc errata_hercules_1688305_wa
-
-func check_errata_1688305
-	/* Applies to r0p0 and r1p0 */
-	mov	x1, #0x10
-	b	cpu_rev_var_ls
-endfunc check_errata_1688305
-
-	/* -------------------------------------------------
-	 * The CPU Ops reset function for Cortex-Hercules
-	 * -------------------------------------------------
-	 */
-func cortex_hercules_reset_func
-	mov	x19, x30
-	bl	cpu_get_rev_var
-	mov	x18, x0
-
-#if ERRATA_HERCULES_1688305
-	mov     x0, x18
-	bl	errata_hercules_1688305_wa
-#endif
-
-#if ENABLE_AMU
-	/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
-	mrs	x0, actlr_el3
-	bic	x0, x0, #CORTEX_HERCULES_ACTLR_TAM_BIT
-	msr	actlr_el3, x0
-
-	/* Make sure accesses from non-secure EL0/EL1 are not trapped to EL2 */
-	mrs	x0, actlr_el2
-	bic	x0, x0, #CORTEX_HERCULES_ACTLR_TAM_BIT
-	msr	actlr_el2, x0
-
-	/* Enable group0 counters */
-	mov	x0, #CORTEX_HERCULES_AMU_GROUP0_MASK
-	msr	CPUAMCNTENSET0_EL0, x0
-
-	/* Enable group1 counters */
-	mov	x0, #CORTEX_HERCULES_AMU_GROUP1_MASK
-	msr	CPUAMCNTENSET1_EL0, x0
-#endif
-
-	isb
-	ret	x19
-endfunc cortex_hercules_reset_func
-
-	/* ---------------------------------------------
-	 * HW will do the cache maintenance while powering down
-	 * ---------------------------------------------
-	 */
-func cortex_hercules_core_pwr_dwn
-	/* ---------------------------------------------
-	 * Enable CPU power down bit in power control register
-	 * ---------------------------------------------
-	 */
-	mrs	x0, CORTEX_HERCULES_CPUPWRCTLR_EL1
-	orr	x0, x0, #CORTEX_HERCULES_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
-	msr	CORTEX_HERCULES_CPUPWRCTLR_EL1, x0
-	isb
-	ret
-endfunc cortex_hercules_core_pwr_dwn
-
-	/*
-	 * Errata printing function for cortex_hercules. Must follow AAPCS.
-	 */
-#if REPORT_ERRATA
-func cortex_hercules_errata_report
-	stp	x8, x30, [sp, #-16]!
-
-	bl	cpu_get_rev_var
-	mov	x8, x0
-
-	/*
-	 * Report all errata. The revision-variant information is passed to
-	 * checking functions of each errata.
-	 */
-	report_errata ERRATA_HERCULES_1688305, cortex_hercules, 1688305
-
-	ldp	x8, x30, [sp], #16
-	ret
-endfunc cortex_hercules_errata_report
-#endif
-
-	/* ---------------------------------------------
-	 * This function provides cortex_hercules specific
-	 * register information for crash reporting.
-	 * It needs to return with x6 pointing to
-	 * a list of register names in ascii and
-	 * x8 - x15 having values of registers to be
-	 * reported.
-	 * ---------------------------------------------
-	 */
-.section .rodata.cortex_hercules_regs, "aS"
-cortex_hercules_regs:  /* The ascii list of register names to be reported */
-	.asciz	"cpuectlr_el1", ""
-
-func cortex_hercules_cpu_reg_dump
-	adr	x6, cortex_hercules_regs
-	mrs	x8, CORTEX_HERCULES_CPUECTLR_EL1
-	ret
-endfunc cortex_hercules_cpu_reg_dump
-
-declare_cpu_ops cortex_hercules, CORTEX_HERCULES_MIDR, \
-	cortex_hercules_reset_func, \
-	cortex_hercules_core_pwr_dwn
diff --git a/lib/cpus/aarch64/cortex_hercules_ae.S b/lib/cpus/aarch64/cortex_hercules_ae.S
index c4a2163..4452c41 100644
--- a/lib/cpus/aarch64/cortex_hercules_ae.S
+++ b/lib/cpus/aarch64/cortex_hercules_ae.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, ARM Limited. All rights reserved.
+ * Copyright (c) 2019-2020, ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -24,20 +24,20 @@
 func cortex_hercules_ae_reset_func
 	/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
 	mrs	x0, actlr_el3
-	bic	x0, x0, #CORTEX_HERCULES_ACTLR_TAM_BIT
+	bic	x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
 	msr	actlr_el3, x0
 
 	/* Make sure accesses from non-secure EL0/EL1 are not trapped to EL2 */
 	mrs	x0, actlr_el2
-	bic	x0, x0, #CORTEX_HERCULES_ACTLR_TAM_BIT
+	bic	x0, x0, #CORTEX_A78_ACTLR_TAM_BIT
 	msr	actlr_el2, x0
 
 	/* Enable group0 counters */
-	mov	x0, #CORTEX_HERCULES_AMU_GROUP0_MASK
+	mov	x0, #CORTEX_A78_AMU_GROUP0_MASK
 	msr	CPUAMCNTENSET0_EL0, x0
 
 	/* Enable group1 counters */
-	mov	x0, #CORTEX_HERCULES_AMU_GROUP1_MASK
+	mov	x0, #CORTEX_A78_AMU_GROUP1_MASK
 	msr	CPUAMCNTENSET1_EL0, x0
 	isb
 
@@ -54,9 +54,9 @@
 	 * Enable CPU power down bit in power control register
 	 * -------------------------------------------------------
 	 */
-	mrs	x0, CORTEX_HERCULES_CPUPWRCTLR_EL1
-	orr	x0, x0, #CORTEX_HERCULES_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
-	msr	CORTEX_HERCULES_CPUPWRCTLR_EL1, x0
+	mrs	x0, CORTEX_A78_CPUPWRCTLR_EL1
+	orr	x0, x0, #CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT
+	msr	CORTEX_A78_CPUPWRCTLR_EL1, x0
 	isb
 	ret
 endfunc cortex_hercules_ae_core_pwr_dwn
@@ -85,7 +85,7 @@
 
 func cortex_hercules_ae_cpu_reg_dump
 	adr	x6, cortex_hercules_ae_regs
-	mrs	x8, CORTEX_HERCULES_CPUECTLR_EL1
+	mrs	x8, CORTEX_A78_CPUECTLR_EL1
 	ret
 endfunc cortex_hercules_ae_cpu_reg_dump
 
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 3c0c9cd..1bc082d 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -251,8 +251,8 @@
 ERRATA_A76_1286807	?=0
 
 # Flag to apply erratum 1688305 workaround during reset. This erratum applies
-# to revisions r0p0 - r1p0 of the Hercules cpu.
-ERRATA_HERCULES_1688305	?=0
+# to revisions r0p0 - r1p0 of the A78 cpu.
+ERRATA_A78_1688305	?=0
 
 # Flag to apply T32 CLREX workaround during reset. This erratum applies
 # only to r0p0 and r1p0 of the Neoverse N1 cpu.
@@ -487,9 +487,9 @@
 $(eval $(call assert_boolean,ERRATA_A76_1286807))
 $(eval $(call add_define,ERRATA_A76_1286807))
 
-# Process ERRATA_HERCULES_1688305 flag
-$(eval $(call assert_boolean,ERRATA_HERCULES_1688305))
-$(eval $(call add_define,ERRATA_HERCULES_1688305))
+# Process ERRATA_A78_1688305 flag
+$(eval $(call assert_boolean,ERRATA_A78_1688305))
+$(eval $(call add_define,ERRATA_A78_1688305))
 
 # Process ERRATA_N1_1043202 flag
 $(eval $(call assert_boolean,ERRATA_N1_1043202))
diff --git a/plat/arm/board/arm_fpga/platform.mk b/plat/arm/board/arm_fpga/platform.mk
index 0d0d010..7039a6d 100644
--- a/plat/arm/board/arm_fpga/platform.mk
+++ b/plat/arm/board/arm_fpga/platform.mk
@@ -58,10 +58,10 @@
 	FPGA_CPU_LIBS	+=	lib/cpus/aarch64/cortex_a76.S		\
 				lib/cpus/aarch64/cortex_a76ae.S		\
 				lib/cpus/aarch64/cortex_a77.S		\
+				lib/cpus/aarch64/cortex_a78.S		\
 				lib/cpus/aarch64/neoverse_n1.S		\
 				lib/cpus/aarch64/neoverse_e1.S		\
 				lib/cpus/aarch64/neoverse_zeus.S	\
-				lib/cpus/aarch64/cortex_hercules.S	\
 				lib/cpus/aarch64/cortex_hercules_ae.S	\
 				lib/cpus/aarch64/cortex_a65.S		\
 				lib/cpus/aarch64/cortex_a65ae.S
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 33531f3..024e682 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -129,10 +129,10 @@
 		FVP_CPU_LIBS	+=	lib/cpus/aarch64/cortex_a76.S		\
 					lib/cpus/aarch64/cortex_a76ae.S		\
 					lib/cpus/aarch64/cortex_a77.S		\
+					lib/cpus/aarch64/cortex_a78.S		\
 					lib/cpus/aarch64/neoverse_n1.S		\
 					lib/cpus/aarch64/neoverse_e1.S		\
 					lib/cpus/aarch64/neoverse_zeus.S	\
-					lib/cpus/aarch64/cortex_hercules.S	\
 					lib/cpus/aarch64/cortex_hercules_ae.S	\
 					lib/cpus/aarch64/cortex_klein.S	        \
 					lib/cpus/aarch64/cortex_matterhorn.S	\
diff --git a/plat/ti/k3/common/k3_psci.c b/plat/ti/k3/common/k3_psci.c
index d6ed766..0500740 100644
--- a/plat/ti/k3/common/k3_psci.c
+++ b/plat/ti/k3/common/k3_psci.c
@@ -203,6 +203,13 @@
 	k3_gic_cpuif_enable();
 }
 
+static void __dead2 k3_system_off(void)
+{
+	ERROR("System Off: operation not handled.\n");
+	while (true)
+		wfi();
+}
+
 static void __dead2 k3_system_reset(void)
 {
 	/* Send the system reset request to system firmware */
@@ -232,6 +239,7 @@
 	.pwr_domain_on = k3_pwr_domain_on,
 	.pwr_domain_off = k3_pwr_domain_off,
 	.pwr_domain_on_finish = k3_pwr_domain_on_finish,
+	.system_off = k3_system_off,
 	.system_reset = k3_system_reset,
 	.validate_power_state = k3_validate_power_state,
 	.validate_ns_entrypoint = k3_validate_ns_entrypoint