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>
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 */