upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/drivers/net/fsl-mc/dpmac.c

250 lines
5.0 KiB

// SPDX-License-Identifier: GPL-2.0+
/*
* Freescale Layerscape MC I/O wrapper
*
* Copyright 2015-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
* Author: Prabhakar Kushwaha <prabhakar@freescale.com>
*/
#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dpmac.h>
int dpmac_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpmac_id,
uint16_t *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_OPEN,
cmd_flags,
0);
DPMAC_CMD_OPEN(cmd, dpmac_id);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
return err;
}
int dpmac_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpmac_create(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
const struct dpmac_cfg *cfg,
uint32_t *obj_id)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CREATE,
cmd_flags,
dprc_token);
DPMAC_CMD_CREATE(cmd, cfg);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
MC_CMD_READ_OBJ_ID(cmd, *obj_id);
return 0;
}
int dpmac_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t obj_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_DESTROY,
cmd_flags,
dprc_token);
/* set object id to destroy */
CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, obj_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpmac_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpmac_attr *attr)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_ATTR,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
DPMAC_RSP_GET_ATTRIBUTES(cmd, attr);
return 0;
}
int dpmac_mdio_read(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpmac_mdio_cfg *cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_MDIO_READ,
cmd_flags,
token);
DPMAC_CMD_MDIO_READ(cmd, cfg);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
DPMAC_RSP_MDIO_READ(cmd, cfg->data);
return 0;
}
int dpmac_mdio_write(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpmac_mdio_cfg *cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_MDIO_WRITE,
cmd_flags,
token);
DPMAC_CMD_MDIO_WRITE(cmd, cfg);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpmac_get_link_cfg(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpmac_link_cfg *cfg)
{
struct mc_command cmd = { 0 };
int err = 0;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_LINK_CFG,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
DPMAC_RSP_GET_LINK_CFG(cmd, cfg);
return 0;
}
int dpmac_set_link_state(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpmac_link_state *link_state)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_LINK_STATE,
cmd_flags,
token);
DPMAC_CMD_SET_LINK_STATE(cmd, link_state);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpmac_get_counter(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
enum dpmac_counter type,
uint64_t *counter)
{
struct mc_command cmd = { 0 };
int err = 0;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_COUNTER,
cmd_flags,
token);
DPMAC_CMD_GET_COUNTER(cmd, type);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
DPMAC_RSP_GET_COUNTER(cmd, *counter);
return 0;
}
int dpmac_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
u16 *minor_ver)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_API_VERSION,
cmd_flags, 0);
/* send command to mc */
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
mc_cmd_read_api_version(&cmd, major_ver, minor_ver);
return 0;
}