diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0275-mii-Add-helpers-for-parsing-SGMII-auto-negotiation.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0275-mii-Add-helpers-for-parsing-SGMII-auto-negotiation.patch | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0275-mii-Add-helpers-for-parsing-SGMII-auto-negotiation.patch b/target/linux/layerscape/patches-5.4/701-net-0275-mii-Add-helpers-for-parsing-SGMII-auto-negotiation.patch deleted file mode 100644 index c783143dd7..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0275-mii-Add-helpers-for-parsing-SGMII-auto-negotiation.patch +++ /dev/null @@ -1,117 +0,0 @@ -From bc447c21304c1297f340d3daaf69915ebbc1f882 Mon Sep 17 00:00:00 2001 -From: Vladimir Oltean <vladimir.oltean@nxp.com> -Date: Mon, 30 Sep 2019 19:20:26 +0300 -Subject: [PATCH] mii: Add helpers for parsing SGMII auto-negotiation - -Typically a MAC PCS auto-configures itself after it receives the -negotiated link settings from the PHY, but some MAC devices are more -special and need manual manipulation of the SGMII AN result. - -Therefore, add the bit definitions for the SGMII registers 4 and 5 -(local device ability, link partner ability), as well as a link_mode -conversion helper that can be used to feed the AN results into -phy_resolve_aneg_linkmode. - -Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> ---- - include/linux/mii.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++ - include/uapi/linux/mii.h | 10 ++++++++++ - 2 files changed, 60 insertions(+) - ---- a/include/linux/mii.h -+++ b/include/linux/mii.h -@@ -373,6 +373,56 @@ static inline u32 mii_lpa_to_ethtool_lpa - } - - /** -+ * mii_lpa_mod_linkmode_adv_sgmii -+ * @lp_advertising: pointer to destination link mode. -+ * @lpa: value of the MII_LPA register -+ * -+ * A small helper function that translates MII_LPA bits to -+ * linkmode advertisement settings for SGMII. -+ * Leaves other bits unchanged. -+ */ -+static inline void -+mii_lpa_mod_linkmode_lpa_sgmii(unsigned long *lp_advertising, u32 lpa) -+{ -+ u32 speed_duplex = lpa & LPA_SGMII_DPX_SPD_MASK; -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_1000HALF); -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_1000FULL); -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_100HALF); -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_100FULL); -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_10HALF); -+ -+ linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, lp_advertising, -+ speed_duplex == LPA_SGMII_10FULL); -+} -+ -+/** -+ * mii_lpa_to_linkmode_adv_sgmii -+ * @advertising: pointer to destination link mode. -+ * @lpa: value of the MII_LPA register -+ * -+ * A small helper function that translates MII_ADVERTISE bits -+ * to linkmode advertisement settings when in SGMII mode. -+ * Clears the old value of advertising. -+ */ -+static inline void mii_lpa_to_linkmode_lpa_sgmii(unsigned long *lp_advertising, -+ u32 lpa) -+{ -+ linkmode_zero(lp_advertising); -+ -+ mii_lpa_mod_linkmode_lpa_sgmii(lp_advertising, lpa); -+} -+ -+/** - * mii_adv_mod_linkmode_adv_t - * @advertising:pointer to destination link mode. - * @adv: value of the MII_ADVERTISE register ---- a/include/uapi/linux/mii.h -+++ b/include/uapi/linux/mii.h -@@ -71,6 +71,7 @@ - /* Advertisement control register. */ - #define ADVERTISE_SLCT 0x001f /* Selector bits */ - #define ADVERTISE_CSMA 0x0001 /* Only selector supported */ -+#define ADVERTISE_SGMII 0x0001 /* Can do SGMII */ - #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ - #define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */ - #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ -@@ -94,6 +95,7 @@ - - /* Link partner ability register. */ - #define LPA_SLCT 0x001f /* Same as advertise selector */ -+#define LPA_SGMII 0x0001 /* Can do SGMII */ - #define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ - #define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */ - #define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ -@@ -104,11 +106,19 @@ - #define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/ - #define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */ - #define LPA_PAUSE_CAP 0x0400 /* Can pause */ -+#define LPA_SGMII_DPX_SPD_MASK 0x1C00 /* SGMII duplex and speed bits */ -+#define LPA_SGMII_10HALF 0x0000 /* Can do SGMII 10mbps half-duplex */ -+#define LPA_SGMII_10FULL 0x1000 /* Can do SGMII 10mbps full-duplex */ -+#define LPA_SGMII_100HALF 0x0400 /* Can do SGMII 100mbps half-duplex */ -+#define LPA_SGMII_100FULL 0x1400 /* Can do SGMII 100mbps full-duplex */ - #define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */ -+#define LPA_SGMII_1000HALF 0x0800 /* Can do SGMII 1000mbps half-duplex */ -+#define LPA_SGMII_1000FULL 0x1800 /* Can do SGMII 1000mbps full-duplex */ - #define LPA_RESV 0x1000 /* Unused... */ - #define LPA_RFAULT 0x2000 /* Link partner faulted */ - #define LPA_LPACK 0x4000 /* Link partner acked us */ - #define LPA_NPAGE 0x8000 /* Next page bit */ -+#define LPA_SGMII_LINK 0x8000 /* Link partner has link */ - - #define LPA_DUPLEX (LPA_10FULL | LPA_100FULL) - #define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4) |