mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 14:23:00 +00:00
a2a55e518f
Freescale's Layerscape Management Complex (MC) provide support various objects like DPRC, DPNI, DPBP and DPIO. Where: DPRC: Place holdes for other MC objectes like DPNI, DPBP, DPIO DPBP: Management of buffer pool DPIO: Used for used to QBMan portal DPNI: Represents standard network interface These objects are used for DPAA ethernet drivers. Signed-off-by: J. German Rivera <German.Rivera@freescale.com> Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com> Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Geoff Thorpe <Geoff.Thorpe@freescale.com> Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Cristian Sovaiala <cristian.sovaiala@freescale.com> Signed-off-by: pankaj chauhan <pankaj.chauhan@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
/* Copyright 2013-2015 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_STATUS_O 16 /* Status field offset */
|
|
#define MC_CMD_HDR_TOKEN_O 38 /* Token field offset */
|
|
#define MC_CMD_HDR_TOKEN_S 10 /* Token field size */
|
|
#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_TOKEN(_hdr) \
|
|
((uint16_t)u64_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))
|
|
|
|
#define MC_CMD_PRI_LOW 0 /*!< Low Priority command indication */
|
|
#define MC_CMD_PRI_HIGH 1 /*!< High Priority command indication */
|
|
|
|
#define MC_EXT_OP(_ext, _param, _offset, _width, _type, _arg) \
|
|
((_ext)[_param] |= u64_enc((_offset), (_width), _arg))
|
|
|
|
#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 token)
|
|
{
|
|
uint64_t hdr;
|
|
|
|
hdr = u64_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);
|
|
hdr |= u64_enc(MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S, token);
|
|
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 */
|