diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_path.c')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_path.c | 81 |
1 files changed, 63 insertions, 18 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c index 317e447f4991..b4c01e2878f6 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_path.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c @@ -14,11 +14,11 @@ struct mtk_eth_muxc { const char *name; - int cap_bit; - int (*set_path)(struct mtk_eth *eth, int path); + u64 cap_bit; + int (*set_path)(struct mtk_eth *eth, u64 path); }; -static const char *mtk_eth_path_name(int path) +static const char *mtk_eth_path_name(u64 path) { switch (path) { case MTK_ETH_PATH_GMAC1_RGMII: @@ -31,6 +31,8 @@ static const char *mtk_eth_path_name(int path) return "gmac2_rgmii"; case MTK_ETH_PATH_GMAC2_SGMII: return "gmac2_sgmii"; + case MTK_ETH_PATH_GMAC2_2P5GPHY: + return "gmac2_2p5gphy"; case MTK_ETH_PATH_GMAC2_GEPHY: return "gmac2_gephy"; case MTK_ETH_PATH_GDM1_ESW: @@ -40,10 +42,10 @@ static const char *mtk_eth_path_name(int path) } } -static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path) +static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, u64 path) { bool updated = true; - u32 val, mask, set; + u32 mask, set, reg; switch (path) { case MTK_ETH_PATH_GMAC1_SGMII: @@ -59,11 +61,13 @@ static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path) break; } - if (updated) { - val = mtk_r32(eth, MTK_MAC_MISC); - val = (val & mask) | set; - mtk_w32(eth, val, MTK_MAC_MISC); - } + if (mtk_is_netsys_v3_or_greater(eth)) + reg = MTK_MAC_MISC_V3; + else + reg = MTK_MAC_MISC; + + if (updated) + mtk_m32(eth, mask, set, reg); dev_dbg(eth->dev, "path %s in %s updated = %d\n", mtk_eth_path_name(path), __func__, updated); @@ -71,7 +75,7 @@ static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) +static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -94,7 +98,7 @@ static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) return 0; } -static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) +static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, u64 path) { unsigned int val = 0, mask = 0, reg = 0; bool updated = true; @@ -125,7 +129,30 @@ static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, int path) +static int set_mux_gmac2_to_2p5gphy(struct mtk_eth *eth, u64 path) +{ + int ret; + + if (path == MTK_ETH_PATH_GMAC2_2P5GPHY) { + ret = regmap_clear_bits(eth->ethsys, ETHSYS_SYSCFG0, + SYSCFG0_SGMII_GMAC2_V2); + if (ret) + return ret; + + /* Setup mux to 2p5g PHY */ + ret = regmap_clear_bits(eth->infra, TOP_MISC_NETSYS_PCS_MUX, + MUX_G2_USXGMII_SEL); + if (ret) + return ret; + + dev_dbg(eth->dev, "path %s in %s updated\n", + mtk_eth_path_name(path), __func__); + } + + return 0; +} + +static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -163,7 +190,7 @@ static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac12_to_gephy_sgmii(struct mtk_eth *eth, int path) +static int set_mux_gmac12_to_gephy_sgmii(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -208,6 +235,10 @@ static const struct mtk_eth_muxc mtk_eth_muxc[] = { .cap_bit = MTK_ETH_MUX_U3_GMAC2_TO_QPHY, .set_path = set_mux_u3_gmac2_to_qphy, }, { + .name = "mux_gmac2_to_2p5gphy", + .cap_bit = MTK_ETH_MUX_GMAC2_TO_2P5GPHY, + .set_path = set_mux_gmac2_to_2p5gphy, + }, { .name = "mux_gmac1_gmac2_to_sgmii_rgmii", .cap_bit = MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII, .set_path = set_mux_gmac1_gmac2_to_sgmii_rgmii, @@ -218,7 +249,7 @@ static const struct mtk_eth_muxc mtk_eth_muxc[] = { }, }; -static int mtk_eth_mux_setup(struct mtk_eth *eth, int path) +static int mtk_eth_mux_setup(struct mtk_eth *eth, u64 path) { int i, err = 0; @@ -249,7 +280,7 @@ out: int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id) { - int path; + u64 path; path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_SGMII : MTK_ETH_PATH_GMAC2_SGMII; @@ -258,9 +289,23 @@ int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id) return mtk_eth_mux_setup(eth, path); } +int mtk_gmac_2p5gphy_path_setup(struct mtk_eth *eth, int mac_id) +{ + u64 path = 0; + + if (mac_id == MTK_GMAC2_ID) + path = MTK_ETH_PATH_GMAC2_2P5GPHY; + + if (!path) + return -EINVAL; + + /* Setup proper MUXes along the path */ + return mtk_eth_mux_setup(eth, path); +} + int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id) { - int path = 0; + u64 path = 0; if (mac_id == 1) path = MTK_ETH_PATH_GMAC2_GEPHY; @@ -274,7 +319,7 @@ int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id) int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id) { - int path; + u64 path; path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_RGMII : MTK_ETH_PATH_GMAC2_RGMII; |
