* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
- * Copyright 2016 NXP.
+ * Copyright 2016-2017 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
#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 : \
- (uint64_t)-1))
+#include <rte_byteorder.h>
+#include <stdint.h>
-static inline uint64_t mc_enc(int lsoffset, int width, uint64_t val)
-{
- return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset);
-}
+#define MC_CMD_NUM_OF_PARAMS 7
-static inline uint64_t mc_dec(uint64_t val, int lsoffset, int width)
-{
- return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width));
-}
+#define phys_addr_t uint64_t
+
+#define u64 uint64_t
+#define u32 uint32_t
+#define u16 uint16_t
+#define u8 uint8_t
+
+#define cpu_to_le64 rte_cpu_to_le_64
+#define cpu_to_le32 rte_cpu_to_le_32
+#define cpu_to_le16 rte_cpu_to_le_16
+
+#define le64_to_cpu rte_le_to_cpu_64
+#define le32_to_cpu rte_le_to_cpu_32
+#define le16_to_cpu rte_le_to_cpu_16
+
+#define BITS_PER_LONG 64
+#define GENMASK(h, l) \
+ (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
+
+struct mc_cmd_header {
+ union {
+ struct {
+ uint8_t src_id;
+ uint8_t flags_hw;
+ uint8_t status;
+ uint8_t flags_sw;
+ uint16_t token;
+ uint16_t cmd_id;
+ };
+ uint32_t word[2];
+ };
+};
struct mc_command {
uint64_t header;
uint64_t params[MC_CMD_NUM_OF_PARAMS];
};
-/**
- * enum mc_cmd_status - indicates MC status at command response
- * @MC_CMD_STATUS_OK: Completed successfully
- * @MC_CMD_STATUS_READY: Ready to be processed
- * @MC_CMD_STATUS_AUTH_ERR: Authentication error
- * @MC_CMD_STATUS_NO_PRIVILEGE: No privilege
- * @MC_CMD_STATUS_DMA_ERR: DMA or I/O error
- * @MC_CMD_STATUS_CONFIG_ERR: Configuration error
- * @MC_CMD_STATUS_TIMEOUT: Operation timed out
- * @MC_CMD_STATUS_NO_RESOURCE: No resources
- * @MC_CMD_STATUS_NO_MEMORY: No memory available
- * @MC_CMD_STATUS_BUSY: Device is busy
- * @MC_CMD_STATUS_UNSUPPORTED_OP: Unsupported operation
- * @MC_CMD_STATUS_INVALID_STATE: Invalid state
- */
-enum mc_cmd_status {
- MC_CMD_STATUS_OK = 0x0,
- MC_CMD_STATUS_READY = 0x1,
- MC_CMD_STATUS_AUTH_ERR = 0x3,
- MC_CMD_STATUS_NO_PRIVILEGE = 0x4,
- MC_CMD_STATUS_DMA_ERR = 0x5,
- MC_CMD_STATUS_CONFIG_ERR = 0x6,
- MC_CMD_STATUS_TIMEOUT = 0x7,
- MC_CMD_STATUS_NO_RESOURCE = 0x8,
- MC_CMD_STATUS_NO_MEMORY = 0x9,
- MC_CMD_STATUS_BUSY = 0xA,
- MC_CMD_STATUS_UNSUPPORTED_OP = 0xB,
- MC_CMD_STATUS_INVALID_STATE = 0xC
+struct mc_rsp_create {
+ uint32_t object_id;
};
-/* MC command flags */
+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 */
+};
-/**
- * High priority flag
- */
-#define MC_CMD_FLAG_PRI 0x00008000
-/**
- * Command completion flag
+/*
+ * MC command flags
*/
-#define MC_CMD_FLAG_INTR_DIS 0x01000000
-/**
- * Command ID field offset
- */
-#define MC_CMD_HDR_CMDID_O 48
-/**
- * Command ID field size
- */
-#define MC_CMD_HDR_CMDID_S 16
-/**
- * Token field offset
- */
-#define MC_CMD_HDR_TOKEN_O 32
-/**
- * Token field size
- */
-#define MC_CMD_HDR_TOKEN_S 16
-/**
- * Status field offset
- */
-#define MC_CMD_HDR_STATUS_O 16
-/**
- * Status field size
- */
-#define MC_CMD_HDR_STATUS_S 8
-/**
- * Flags field offset
- */
-#define MC_CMD_HDR_FLAGS_O 0
-/**
- * Flags field size
- */
-#define MC_CMD_HDR_FLAGS_S 32
-/**
- * Command flags mask
- */
+/* High priority flag */
+#define MC_CMD_FLAG_PRI 0x80
+/* Command completion flag */
+#define MC_CMD_FLAG_INTR_DIS 0x01
+
#define MC_CMD_HDR_FLAGS_MASK 0xFF00FF00
-#define MC_CMD_HDR_READ_STATUS(_hdr) \
- ((enum mc_cmd_status)mc_dec((_hdr), \
- MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S))
+int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd);
-#define MC_CMD_HDR_READ_TOKEN(_hdr) \
- ((uint16_t)mc_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))
+static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
+ uint32_t cmd_flags,
+ uint16_t token)
+{
+ uint64_t header = 0;
+ struct mc_cmd_header *hdr = (struct mc_cmd_header *)&header;
-#define MC_PREP_OP(_ext, _param, _offset, _width, _type, _arg) \
- ((_ext)[_param] |= cpu_to_le64(mc_enc((_offset), (_width), _arg)))
+ hdr->cmd_id = cpu_to_le16(cmd_id);
+ hdr->token = cpu_to_le16(token);
+ hdr->status = MC_CMD_STATUS_READY;
+ hdr->word[0] |= cpu_to_le32(cmd_flags & MC_CMD_HDR_FLAGS_MASK);
-#define MC_EXT_OP(_ext, _param, _offset, _width, _type, _arg) \
- (_arg = (_type)mc_dec(cpu_to_le64(_ext[_param]), (_offset), (_width)))
+ return header;
+}
-#define MC_CMD_OP(_cmd, _param, _offset, _width, _type, _arg) \
- ((_cmd).params[_param] |= mc_enc((_offset), (_width), _arg))
+static inline uint16_t mc_cmd_hdr_read_token(struct mc_command *cmd)
+{
+ struct mc_cmd_header *hdr = (struct mc_cmd_header *)&cmd->header;
+ uint16_t token = le16_to_cpu(hdr->token);
-#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \
- (_arg = (_type)mc_dec(_cmd.params[_param], (_offset), (_width)))
+ return token;
+}
-/* cmd, param, offset, width, type, arg_name */
-#define CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, object_id) \
- MC_RSP_OP(cmd, 0, 0, 32, uint32_t, object_id)
+static inline uint32_t mc_cmd_read_object_id(struct mc_command *cmd)
+{
+ struct mc_rsp_create *rsp_params;
-/* cmd, param, offset, width, type, arg_name */
-#define CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id) \
- MC_CMD_OP(cmd, 0, 0, 32, uint32_t, object_id)
+ rsp_params = (struct mc_rsp_create *)cmd->params;
+ return le32_to_cpu(rsp_params->object_id);
+}
-static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
- uint32_t cmd_flags,
- uint16_t token)
+static inline enum mc_cmd_status mc_cmd_read_status(struct mc_command *cmd)
{
- uint64_t hdr;
-
- hdr = mc_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);
- hdr |= mc_enc(MC_CMD_HDR_FLAGS_O, MC_CMD_HDR_FLAGS_S,
- (cmd_flags & MC_CMD_HDR_FLAGS_MASK));
- hdr |= mc_enc(MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S, token);
- hdr |= mc_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S,
- MC_CMD_STATUS_READY);
+ struct mc_cmd_header *hdr = (struct mc_cmd_header *)&cmd->header;
+ uint8_t status = hdr->status;
- return hdr;
+ return (enum mc_cmd_status)status;
}
/**
static inline void mc_write_command(struct mc_command __iomem *portal,
struct mc_command *cmd)
{
- int i;
- uint32_t word;
+ struct mc_cmd_header *cmd_header = (struct mc_cmd_header *)&cmd->header;
char *header = (char *)&portal->header;
+ int i;
/* copy command parameters into the portal */
for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
iowrite64(cmd->params[i], &portal->params[i]);
/* submit the command by writing the header */
- word = (uint32_t)mc_dec(cmd->header, 32, 32);
- iowrite32(word, (((uint32_t *)header) + 1));
-
- word = (uint32_t)mc_dec(cmd->header, 0, 32);
- iowrite32(word, (uint32_t *)header);
+ iowrite32(le32_to_cpu(cmd_header->word[1]), (((uint32_t *)header) + 1));
+ iowrite32(le32_to_cpu(cmd_header->word[0]), (uint32_t *)header);
}
/**
/* Copy command response header from MC portal: */
resp->header = ioread64(&portal->header);
- status = MC_CMD_HDR_READ_STATUS(resp->header);
+ status = mc_cmd_read_status(resp);
if (status != MC_CMD_STATUS_OK)
return status;
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