drivers/mc: Migrated MC Flibs to 0.5.2

Upgrade Manage Complex (MC) flib API to 0.5.2. Rename directory
fsl_mc to fsl-mc. Change the fsl-mc node in Linux device tree
from "fsl,dprcr" to "fsl-mc". Print MC version info when
appropriate.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

5 files changed, 280 insertions, 3 deletions

diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h
index 55f4c96..17a1cde 100644
--- a/include/configs/ls2085a_common.h
+++ b/include/configs/ls2085a_common.h
@@ -207,12 +207,10 @@
 #define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE	(512UL * 1024 * 1024)
 #define CONFIG_SYS_LS_MC_FW_IN_NOR
 #define CONFIG_SYS_LS_MC_FW_ADDR	0x580200000ULL
-/* TODO Actual FW length needs to be determined at runtime from FW header */
-#define CONFIG_SYS_LS_MC_FW_LENGTH	(4U * 1024 * 1024)
 #define CONFIG_SYS_LS_MC_DPL_IN_NOR
 #define CONFIG_SYS_LS_MC_DPL_ADDR	0x5806C0000ULL
 /* TODO Actual DPL max length needs to be confirmed with the MC FW team */
-#define CONFIG_SYS_LS_MC_DPL_LENGTH	4096
+#define CONFIG_SYS_LS_MC_DPL_MAX_LENGTH	(256 * 1024)
 #define CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET    0xe00000
 
 /* Carve the MC private DRAM block from the end of DRAM */
diff --git a/include/fsl-mc/fsl_dpmng.h b/include/fsl-mc/fsl_dpmng.h
new file mode 100644
index 0000000..c2e1ddd
--- /dev/null
+++ b/include/fsl-mc/fsl_dpmng.h
@@ -0,0 +1,121 @@
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+/*!
+ *  @file    fsl_dpmng.h
+ *  @brief   Management Complex General API
+ */
+
+#ifndef __FSL_DPMNG_H
+#define __FSL_DPMNG_H
+
+/*!
+ * @Group grp_dpmng	Management Complex General API
+ *
+ * @brief	Contains general API for the Management Complex firmware
+ * @{
+ */
+
+struct fsl_mc_io;
+
+/**
+ * @brief	Management Complex firmware version information
+ */
+#define MC_VER_MAJOR 4
+#define MC_VER_MINOR 0
+
+struct mc_version {
+	uint32_t major;
+	/*!< Major version number: incremented on API compatibility changes */
+	uint32_t minor;
+	/*!< Minor version number: incremented on API additions (that are
+	 * backward compatible); reset when major version is incremented
+	 */
+	uint32_t revision;
+	/*!< Internal revision number: incremented on implementation changes
+	 * and/or bug fixes that have no impact on API
+	 */
+};
+
+/**
+ * @brief	Retrieves the Management Complex firmware version information
+ *
+ * @param[in]	mc_io		Pointer to opaque I/O object
+ * @param[out]	mc_ver_info	Pointer to version information structure
+ *
+ * @returns	'0' on Success; Error code otherwise.
+ */
+int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info);
+
+/**
+ * @brief	Resets an AIOP tile
+ *
+ * @param[in]	mc_io		Pointer to opaque I/O object
+ * @param[in]	container_id	AIOP container ID
+ * @param[in]	aiop_tile_id	AIOP tile ID to reset
+ *
+ * @returns	'0' on Success; Error code otherwise.
+ */
+int dpmng_reset_aiop(struct fsl_mc_io	*mc_io,
+		     int		container_id,
+		     int		aiop_tile_id);
+
+/**
+ * @brief	Loads an image to AIOP tile
+ *
+ * @param[in]	mc_io		Pointer to opaque I/O object
+ * @param[in]	container_id	AIOP container ID
+ * @param[in]	aiop_tile_id	AIOP tile ID to reset
+ * @param[in]	img_iova	I/O virtual address of AIOP ELF image
+ * @param[in]	img_size	Size of AIOP ELF image in memory (in bytes)
+ *
+ * @returns	'0' on Success; Error code otherwise.
+ */
+int dpmng_load_aiop(struct fsl_mc_io	*mc_io,
+		    int			container_id,
+		    int			aiop_tile_id,
+		    uint64_t		img_iova,
+		    uint32_t		img_size);
+
+/**
+ * @brief	AIOP run configuration
+ */
+struct dpmng_aiop_run_cfg {
+	uint32_t cores_mask;
+	/*!< Mask of AIOP cores to run (core 0 in most significant bit) */
+	uint64_t options;
+	/*!< Execution options (currently none defined) */
+};
+
+/**
+ * @brief	Starts AIOP tile execution
+ *
+ * @param[in]	mc_io		Pointer to MC portal's I/O object
+ * @param[in]	container_id	AIOP container ID
+ * @param[in]	aiop_tile_id	AIOP tile ID to reset
+ * @param[in]	cfg		AIOP run configuration
+ *
+ * @returns	'0' on Success; Error code otherwise.
+ */
+int dpmng_run_aiop(struct fsl_mc_io			*mc_io,
+		   int					container_id,
+		   int					aiop_tile_id,
+		   const struct dpmng_aiop_run_cfg	*cfg);
+
+/**
+ * @brief	Resets MC portal
+ *
+ * This function closes all object handles (tokens) that are currently
+ * open in the MC portal on which the command is submitted. This allows
+ * cleanup of stale handles that belong to non-functional user processes.
+ *
+ * @param[in]	mc_io	Pointer to MC portal's I/O object
+ *
+ * @returns	'0' on Success; Error code otherwise.
+ */
+int dpmng_reset_mc_portal(struct fsl_mc_io *mc_io);
+
+/** @} */
+
+#endif /* __FSL_DPMNG_H */
diff --git a/include/fsl_mc.h b/include/fsl-mc/fsl_mc.h
index b9f089e..b9f089e 100644
--- a/include/fsl_mc.h
+++ b/include/fsl-mc/fsl_mc.h
diff --git a/include/fsl-mc/fsl_mc_cmd.h b/include/fsl-mc/fsl_mc_cmd.h
new file mode 100644
index 0000000..e7fcb5b
--- /dev/null
+++ b/include/fsl-mc/fsl_mc_cmd.h
@@ -0,0 +1,132 @@
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __FSL_MC_CMD_H
+#define __FSL_MC_CMD_H
+
+#define MC_CMD_NUM_OF_PARAMS	7
+
+#define MAKE_UMASK64(_width) \
+	((uint64_t)((_width) < 64 ? ((uint64_t)1 << (_width)) - 1 : -1))
+
+static inline uint64_t u64_enc(int lsoffset, int width, uint64_t val)
+{
+	return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset);
+}
+static inline uint64_t u64_dec(uint64_t val, int lsoffset, int width)
+{
+	return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width));
+}
+
+struct mc_command {
+	uint64_t header;
+	uint64_t params[MC_CMD_NUM_OF_PARAMS];
+};
+
+enum mc_cmd_status {
+	MC_CMD_STATUS_OK = 0x0, /*!< Completed successfully */
+	MC_CMD_STATUS_READY = 0x1, /*!< Ready to be processed */
+	MC_CMD_STATUS_AUTH_ERR = 0x3, /*!< Authentication error */
+	MC_CMD_STATUS_NO_PRIVILEGE = 0x4, /*!< No privilege */
+	MC_CMD_STATUS_DMA_ERR = 0x5, /*!< DMA or I/O error */
+	MC_CMD_STATUS_CONFIG_ERR = 0x6, /*!< Configuration error */
+	MC_CMD_STATUS_TIMEOUT = 0x7, /*!< Operation timed out */
+	MC_CMD_STATUS_NO_RESOURCE = 0x8, /*!< No resources */
+	MC_CMD_STATUS_NO_MEMORY = 0x9, /*!< No memory available */
+	MC_CMD_STATUS_BUSY = 0xA, /*!< Device is busy */
+	MC_CMD_STATUS_UNSUPPORTED_OP = 0xB, /*!< Unsupported operation */
+	MC_CMD_STATUS_INVALID_STATE = 0xC /*!< Invalid state */
+};
+
+#define MC_CMD_HDR_CMDID_O	52	/* Command ID field offset */
+#define MC_CMD_HDR_CMDID_S	12	/* Command ID field size */
+#define MC_CMD_HDR_AUTHID_O	38	/* Authentication ID field offset */
+#define MC_CMD_HDR_AUTHID_S	10	/* Authentication ID field size */
+#define MC_CMD_HDR_STATUS_O	16	/* Status field offset */
+#define MC_CMD_HDR_STATUS_S	8	/* Status field size*/
+#define MC_CMD_HDR_PRI_O	15	/* Priority field offset */
+#define MC_CMD_HDR_PRI_S	1	/* Priority field size */
+
+#define MC_CMD_HDR_READ_STATUS(_hdr) \
+	((enum mc_cmd_status)u64_dec((_hdr), \
+		MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S))
+
+#define MC_CMD_HDR_READ_AUTHID(_hdr) \
+	((uint16_t)u64_dec((_hdr), MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S))
+
+#define MC_CMD_PRI_LOW		0 /*!< Low Priority command indication */
+#define MC_CMD_PRI_HIGH		1 /*!< High Priority command indication */
+
+#define MC_CMD_OP(_cmd, _param, _offset, _width, _type, _arg) \
+	((_cmd).params[_param] |= u64_enc((_offset), (_width), _arg))
+
+#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \
+	(_arg = (_type)u64_dec(_cmd.params[_param], (_offset), (_width)))
+
+static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
+					    uint8_t priority,
+					    uint16_t auth_id)
+{
+	uint64_t hdr;
+
+	hdr = u64_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);
+	hdr |= u64_enc(MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S, auth_id);
+	hdr |= u64_enc(MC_CMD_HDR_PRI_O, MC_CMD_HDR_PRI_S, priority);
+	hdr |= u64_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S,
+		       MC_CMD_STATUS_READY);
+
+	return hdr;
+}
+
+/**
+ * mc_write_command - writes a command to a Management Complex (MC) portal
+ *
+ * @portal: pointer to an MC portal
+ * @cmd: pointer to a filled command
+ */
+static inline void mc_write_command(struct mc_command __iomem *portal,
+				    struct mc_command *cmd)
+{
+	int i;
+
+	/* copy command parameters into the portal */
+	for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
+		writeq(cmd->params[i], &portal->params[i]);
+
+	/* submit the command by writing the header */
+	writeq(cmd->header, &portal->header);
+}
+
+/**
+ * mc_read_response - reads the response for the last MC command from a
+ * Management Complex (MC) portal
+ *
+ * @portal: pointer to an MC portal
+ * @resp: pointer to command response buffer
+ *
+ * Returns MC_CMD_STATUS_OK on Success; Error code otherwise.
+ */
+static inline enum mc_cmd_status mc_read_response(
+					struct mc_command __iomem *portal,
+					struct mc_command *resp)
+{
+	int i;
+	enum mc_cmd_status status;
+
+	/* Copy command response header from MC portal: */
+	resp->header = readq(&portal->header);
+	status = MC_CMD_HDR_READ_STATUS(resp->header);
+	if (status != MC_CMD_STATUS_OK)
+		return status;
+
+	/* Copy command response data from MC portal: */
+	for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
+		resp->params[i] = readq(&portal->params[i]);
+
+	return status;
+}
+
+int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd);
+
+#endif /* __FSL_MC_CMD_H */
diff --git a/include/fsl-mc/fsl_mc_sys.h b/include/fsl-mc/fsl_mc_sys.h
new file mode 100644
index 0000000..c0befe0
--- /dev/null
+++ b/include/fsl-mc/fsl_mc_sys.h
@@ -0,0 +1,26 @@
+/*
+ * Freescale Layerscape Management Complex (MC) Environment-specific code
+ *
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _FSL_MC_SYS_H
+#define _FSL_MC_SYS_H
+
+#include <asm/io.h>
+
+struct mc_command;
+
+/*
+ * struct mc_portal_wrapper - MC command portal wrapper object
+ */
+struct fsl_mc_io {
+	struct mc_command __iomem *mmio_regs;
+};
+
+int mc_send_command(struct fsl_mc_io *mc_io,
+		    struct mc_command *cmd);
+
+#endif /* _FSL_MC_SYS_H */