diff options
| author | Raju Lakkaraju <Raju.Lakkaraju@microchip.com> | 2023-10-27 10:13:06 +0530 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-27 15:59:44 -0700 |
| commit | f1c73396133cb3d913e2075298005644ee8dfade (patch) | |
| tree | 3f4a01ee702849ee371e9193571897aed0f3eaba /drivers/net/pcs | |
| parent | 06497763c8f15d08c0e356e651a61f2930a8987c (diff) | |
net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers
Add DW_2500BASEX case in xpcs_get_state( ) to update speed, duplex and pause
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20231027044306.291250-1-Raju.Lakkaraju@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/pcs')
| -rw-r--r-- | drivers/net/pcs/pcs-xpcs.c | 29 | ||||
| -rw-r--r-- | drivers/net/pcs/pcs-xpcs.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index 4dbc21f604f2..31f0beba638a 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -1090,6 +1090,28 @@ static int xpcs_get_state_c37_1000basex(struct dw_xpcs *xpcs, return 0; } +static int xpcs_get_state_2500basex(struct dw_xpcs *xpcs, + struct phylink_link_state *state) +{ + int ret; + + ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_STS); + if (ret < 0) { + state->link = 0; + return ret; + } + + state->link = !!(ret & DW_VR_MII_MMD_STS_LINK_STS); + if (!state->link) + return 0; + + state->speed = SPEED_2500; + state->pause |= MLO_PAUSE_TX | MLO_PAUSE_RX; + state->duplex = DUPLEX_FULL; + + return 0; +} + static void xpcs_get_state(struct phylink_pcs *pcs, struct phylink_link_state *state) { @@ -1127,6 +1149,13 @@ static void xpcs_get_state(struct phylink_pcs *pcs, ERR_PTR(ret)); } break; + case DW_2500BASEX: + ret = xpcs_get_state_2500basex(xpcs, state); + if (ret) { + pr_err("xpcs_get_state_2500basex returned %pe\n", + ERR_PTR(ret)); + } + break; default: return; } diff --git a/drivers/net/pcs/pcs-xpcs.h b/drivers/net/pcs/pcs-xpcs.h index 39a90417e535..96c36b32ca99 100644 --- a/drivers/net/pcs/pcs-xpcs.h +++ b/drivers/net/pcs/pcs-xpcs.h @@ -55,6 +55,8 @@ /* Clause 37 Defines */ /* VR MII MMD registers offsets */ #define DW_VR_MII_MMD_CTRL 0x0000 +#define DW_VR_MII_MMD_STS 0x0001 +#define DW_VR_MII_MMD_STS_LINK_STS BIT(2) #define DW_VR_MII_DIG_CTRL1 0x8000 #define DW_VR_MII_AN_CTRL 0x8001 #define DW_VR_MII_AN_INTR_STS 0x8002 |