Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 249 insertions, 0 deletions

diff --git a/plat/xilinx/common/include/ipi.h b/plat/xilinx/common/include/ipi.h
new file mode 100644
index 0000000..1d62f3e
--- /dev/null
+++ b/plat/xilinx/common/include/ipi.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Xilinx IPI management configuration data and macros */
+
+#ifndef IPI_H
+#define IPI_H
+
+#include <stdint.h>
+
+/*********************************************************************
+ * IPI mailbox status macros
+ ********************************************************************/
+#define IPI_MB_STATUS_IDLE		(0U)
+#define IPI_MB_STATUS_SEND_PENDING	(1U)
+#define IPI_MB_STATUS_RECV_PENDING	(2U)
+
+/*********************************************************************
+ * IPI mailbox call is secure or not macros
+ ********************************************************************/
+#define IPI_MB_CALL_NOTSECURE	(0U)
+#define IPI_MB_CALL_SECURE	(1U)
+
+/*********************************************************************
+ * IPI secure check
+ ********************************************************************/
+#define IPI_SECURE_MASK  (0x1U)
+#define IPI_IS_SECURE(I) ((ipi_table[(I)].secure_only & \
+			   IPI_SECURE_MASK) ? 1 : 0)
+
+/*********************************************************************
+ * Struct definitions
+ ********************************************************************/
+
+/* structure to maintain IPI configuration information */
+struct ipi_config {
+	unsigned int ipi_bit_mask;
+	unsigned int ipi_reg_base;
+	unsigned char secure_only;
+};
+
+/*********************************************************************
+ * IPI APIs declarations
+ ********************************************************************/
+
+/* Initialize IPI configuration table */
+void ipi_config_table_init(const struct ipi_config *ipi_config_table,
+			   uint32_t total_ipi);
+
+/* Validate IPI mailbox access */
+int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure);
+
+/* Open the IPI mailbox */
+void ipi_mb_open(uint32_t local, uint32_t remote);
+
+/* Release the IPI mailbox */
+void ipi_mb_release(uint32_t local, uint32_t remote);
+
+/* Enquire IPI mailbox status */
+int ipi_mb_enquire_status(uint32_t local, uint32_t remote);
+
+/* Trigger notification on the IPI mailbox */
+void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking);
+
+/* Ack IPI mailbox notification */
+void ipi_mb_ack(uint32_t local, uint32_t remote);
+
+/* Disable IPI mailbox notification interrupt */
+void ipi_mb_disable_irq(uint32_t local, uint32_t remote);
+
+/* Enable IPI mailbox notification interrupt */
+void ipi_mb_enable_irq(uint32_t local, uint32_t remote);
+
+#endif /* IPI_H */
diff --git a/plat/xilinx/common/include/plat_startup.h b/plat/xilinx/common/include/plat_startup.h
new file mode 100644
index 0000000..1733930
--- /dev/null
+++ b/plat/xilinx/common/include/plat_startup.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_STARTUP_H
+#define PLAT_STARTUP_H
+
+#include <common/bl_common.h>
+
+/* For FSBL handover */
+enum fsbl_handoff {
+	FSBL_HANDOFF_SUCCESS = 0,
+	FSBL_HANDOFF_NO_STRUCT,
+	FSBL_HANDOFF_INVAL_STRUCT,
+	FSBL_HANDOFF_TOO_MANY_PARTS
+};
+
+#define FSBL_MAX_PARTITIONS		8U
+
+/* Structure corresponding to each partition entry */
+struct xfsbl_partition {
+	uint64_t entry_point;
+	uint64_t flags;
+};
+
+/* Structure for handoff parameters to ARM Trusted Firmware (ATF) */
+struct xfsbl_atf_handoff_params {
+	uint8_t magic[4];
+	uint32_t num_entries;
+	struct xfsbl_partition partition[FSBL_MAX_PARTITIONS];
+};
+
+#define ATF_HANDOFF_PARAMS_MAX_SIZE	sizeof(struct xfsbl_atf_handoff_params)
+
+enum fsbl_handoff fsbl_atf_handover(entry_point_info_t *bl32,
+					entry_point_info_t *bl33,
+					uint64_t atf_handoff_addr);
+
+#endif /* PLAT_STARTUP_H */
diff --git a/plat/xilinx/common/include/pm_client.h b/plat/xilinx/common/include/pm_client.h
new file mode 100644
index 0000000..eae1d98
--- /dev/null
+++ b/plat/xilinx/common/include/pm_client.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2022, Xilinx, Inc. All rights reserved.
+ * Copyright (c) 2022, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Contains APU specific macros and macros to be defined depending on
+ * the execution environment.
+ */
+
+#ifndef PM_CLIENT_H
+#define PM_CLIENT_H
+
+#include "pm_common.h"
+#include "pm_defs.h"
+
+/* Functions to be implemented by each PU */
+void pm_client_suspend(const struct pm_proc *proc, uint32_t state);
+void pm_client_abort_suspend(void);
+void pm_client_wakeup(const struct pm_proc *proc);
+
+/* Global variables to be set in pm_client.c */
+extern const struct pm_proc *primary_proc;
+
+#if defined(PLAT_zynqmp)
+enum pm_ret_status pm_set_suspend_mode(uint32_t mode);
+const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid);
+#endif /* PLAT_zynqmp */
+
+#endif /* PM_CLIENT_H */
diff --git a/plat/xilinx/common/include/pm_common.h b/plat/xilinx/common/include/pm_common.h
new file mode 100644
index 0000000..89626e5
--- /dev/null
+++ b/plat/xilinx/common/include/pm_common.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * Contains definitions of commonly used macros and data types needed
+ * for PU Power Management. This file should be common for all PU's.
+ */
+
+#ifndef PM_COMMON_H
+#define PM_COMMON_H
+
+#include <stdint.h>
+#include <plat_pm_common.h>
+
+#if IPI_CRC_CHECK
+#define PAYLOAD_ARG_CNT         8U
+#define IPI_W0_TO_W6_SIZE       28U
+#define PAYLOAD_CRC_POS         7U
+#define CRC_INIT_VALUE          0x4F4EU
+#define CRC_ORDER               16U
+#define CRC_POLYNOM             0x8005U
+#else
+#define PAYLOAD_ARG_CNT         6U
+#endif
+#define PAYLOAD_ARG_SIZE	4U	/* size in bytes */
+
+#define TZ_VERSION_MAJOR	1
+#define TZ_VERSION_MINOR	0
+#define TZ_VERSION		((TZ_VERSION_MAJOR << 16) | \
+				 TZ_VERSION_MINOR)
+
+/**
+ * pm_ipi - struct for capturing IPI-channel specific info
+ * @local_ipi_id	Local IPI agent ID
+ * @remote_ipi_id	Remote IPI Agent ID
+ * @buffer_base	base address for payload buffer
+ */
+struct pm_ipi {
+	const uint32_t local_ipi_id;
+	const uint32_t remote_ipi_id;
+	const uintptr_t buffer_base;
+};
+
+/**
+ * pm_proc - struct for capturing processor related info
+ * @node_id	node-ID of the processor
+ * @pwrdn_mask	cpu-specific mask to be used for power control register
+ * @ipi		pointer to IPI channel structure
+ *		(in APU all processors share one IPI channel)
+ */
+struct pm_proc {
+	const uint32_t node_id;
+	const uint32_t pwrdn_mask;
+	const struct pm_ipi *ipi;
+};
+
+const struct pm_proc *pm_get_proc(uint32_t cpuid);
+
+#endif /* PM_COMMON_H */
diff --git a/plat/xilinx/common/include/pm_ipi.h b/plat/xilinx/common/include/pm_ipi.h
new file mode 100644
index 0000000..52dfc47
--- /dev/null
+++ b/plat/xilinx/common/include/pm_ipi.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2022, Xilinx, Inc. All rights reserved.
+ * Copyright (c) 2022, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PM_IPI_H
+#define PM_IPI_H
+
+#include <plat_ipi.h>
+#include <stddef.h>
+#include "pm_common.h"
+
+#define IPI_BLOCKING		1
+#define IPI_NON_BLOCKING	0
+
+void pm_ipi_init(const struct pm_proc *proc);
+
+enum pm_ret_status pm_ipi_send(const struct pm_proc *proc,
+			       uint32_t payload[PAYLOAD_ARG_CNT]);
+enum pm_ret_status pm_ipi_send_non_blocking(const struct pm_proc *proc,
+					    uint32_t payload[PAYLOAD_ARG_CNT]);
+enum pm_ret_status pm_ipi_send_sync(const struct pm_proc *proc,
+				    uint32_t payload[PAYLOAD_ARG_CNT],
+				    uint32_t *value, size_t count);
+void pm_ipi_buff_read_callb(uint32_t *value, size_t count);
+void pm_ipi_irq_enable(const struct pm_proc *proc);
+void pm_ipi_irq_clear(const struct pm_proc *proc);
+uint32_t pm_ipi_irq_status(const struct pm_proc *proc);
+#if IPI_CRC_CHECK
+uint32_t calculate_crc(uint32_t payload[PAYLOAD_ARG_CNT], uint32_t buffersize);
+#endif
+
+#endif /* PM_IPI_H */