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common/cnxk: enable and disable BPHY internal loopback

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Add support for enabling or disabling internal loopback.

Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Signed-off-by: Jakub Palider <jpalider@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Tomasz Duszynski 2021-06-21 17:04:21 +02:00 committed by Thomas Monjalon
parent 1fa0045149
commit 6c870ee8f1
4 changed files with 40 additions and 0 deletions
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30
drivers/common/cnxk/roc_bphy_cgx.c
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@ -214,6 +214,24 @@ roc_bphy_cgx_lmac_exists(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
(roc_cgx->lmac_bmap & BIT_ULL(lmac));
}
static int
roc_bphy_cgx_intlbk_ena_dis(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
bool enable)
{
uint64_t scr1, scr0;
if (!roc_cgx)
return -EINVAL;
if (!roc_bphy_cgx_lmac_exists(roc_cgx, lmac))
return -ENODEV;
scr1 = FIELD_PREP(SCR1_ETH_CMD_ID, ETH_CMD_INTERNAL_LBK) |
FIELD_PREP(SCR1_ETH_CTL_ARGS_ENABLE, enable);
return roc_bphy_cgx_intf_req(roc_cgx, lmac, scr1, &scr0);
}
int
roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
struct roc_bphy_cgx_link_info *info)
@ -244,3 +262,15 @@ roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx, unsigned int lmac,
return 0;
}
int
roc_bphy_cgx_intlbk_enable(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
{
return roc_bphy_cgx_intlbk_ena_dis(roc_cgx, lmac, true);
}
int
roc_bphy_cgx_intlbk_disable(struct roc_bphy_cgx *roc_cgx, unsigned int lmac)
{
return roc_bphy_cgx_intlbk_ena_dis(roc_cgx, lmac, false);
}

4
drivers/common/cnxk/roc_bphy_cgx.h
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@ -90,5 +90,9 @@ __roc_api int roc_bphy_cgx_dev_fini(struct roc_bphy_cgx *roc_cgx);
__roc_api int roc_bphy_cgx_get_linkinfo(struct roc_bphy_cgx *roc_cgx,
unsigned int lmac,
struct roc_bphy_cgx_link_info *info);
__roc_api int roc_bphy_cgx_intlbk_enable(struct roc_bphy_cgx *roc_cgx,
unsigned int lmac);
__roc_api int roc_bphy_cgx_intlbk_disable(struct roc_bphy_cgx *roc_cgx,
unsigned int lmac);
#endif /* _ROC_BPHY_CGX_H_ */

4
drivers/common/cnxk/roc_bphy_cgx_priv.h
View File

@ -8,6 +8,7 @@
/* REQUEST ID types. Input to firmware */
enum eth_cmd_id {
ETH_CMD_GET_LINK_STS = 4,
ETH_CMD_INTERNAL_LBK = 7,
ETH_CMD_INTF_SHUTDOWN = 12,
};
@ -58,6 +59,9 @@ enum eth_cmd_own {
/* struct eth_cmd */
#define SCR1_ETH_CMD_ID GENMASK_ULL(7, 2)
/* struct eth_ctl_args */
#define SCR1_ETH_CTL_ARGS_ENABLE BIT_ULL(8)
#define SCR1_OWN_STATUS GENMASK_ULL(1, 0)
#endif /* _ROC_BPHY_CGX_PRIV_H_ */

2
drivers/common/cnxk/version.map
View File

@ -12,6 +12,8 @@ INTERNAL {
roc_bphy_cgx_dev_fini;
roc_bphy_cgx_dev_init;
roc_bphy_cgx_get_linkinfo;
roc_bphy_cgx_intlbk_disable;
roc_bphy_cgx_intlbk_enable;
roc_clk_freq_get;
roc_error_msg_get;
roc_idev_lmt_base_addr_get;