diff options
Diffstat (limited to 'target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c')
| -rw-r--r-- | target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c index 59c283903b..6c2fde1040 100644 --- a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c +++ b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/rtl930x.c @@ -551,6 +551,95 @@ u32 rtl930x_hash(struct rtl838x_switch_priv *priv, u64 seed) return h; } +/* + * Enables or disables the EEE/EEEP capability of a port + */ +void rtl930x_port_eee_set(struct rtl838x_switch_priv *priv, int port, bool enable) +{ + u32 v; + + // This works only for Ethernet ports, and on the RTL930X, ports from 26 are SFP + if (port >= 26) + return; + + pr_debug("In %s: setting port %d to %d\n", __func__, port, enable); + v = enable ? 0x3f : 0x0; + + // Set EEE/EEEP state for 100, 500, 1000MBit and 2.5, 5 and 10GBit + sw_w32_mask(0, v << 10, rtl930x_mac_force_mode_ctrl(port)); + + // Set TX/RX EEE state + v = enable ? 0x3 : 0x0; + sw_w32(v, RTL930X_EEE_CTRL(port)); + + priv->ports[port].eee_enabled = enable; +} + +/* + * Get EEE own capabilities and negotiation result + */ +int rtl930x_eee_port_ability(struct rtl838x_switch_priv *priv, struct ethtool_eee *e, int port) +{ + u32 link, a; + + if (port >= 26) + return -ENOTSUPP; + + pr_info("In %s, port %d\n", __func__, port); + link = sw_r32(RTL930X_MAC_LINK_STS); + link = sw_r32(RTL930X_MAC_LINK_STS); + if (!(link & BIT(port))) + return 0; + + pr_info("Setting advertised\n"); + if (sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(10)) + e->advertised |= ADVERTISED_100baseT_Full; + + if (sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(12)) + e->advertised |= ADVERTISED_1000baseT_Full; + + if (priv->ports[port].is2G5 && sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(13)) { + pr_info("ADVERTISING 2.5G EEE\n"); + e->advertised |= ADVERTISED_2500baseX_Full; + } + + if (priv->ports[port].is10G && sw_r32(rtl930x_mac_force_mode_ctrl(port)) & BIT(15)) + e->advertised |= ADVERTISED_10000baseT_Full; + + a = sw_r32(RTL930X_MAC_EEE_ABLTY); + a = sw_r32(RTL930X_MAC_EEE_ABLTY); + pr_info("Link partner: %08x\n", a); + if (a & BIT(port)) { + e->lp_advertised = ADVERTISED_100baseT_Full; + e->lp_advertised |= ADVERTISED_1000baseT_Full; + if (priv->ports[port].is2G5) + e->lp_advertised |= ADVERTISED_2500baseX_Full; + if (priv->ports[port].is10G) + e->lp_advertised |= ADVERTISED_10000baseT_Full; + } + + // Read 2x to clear latched state + a = sw_r32(RTL930X_EEEP_PORT_CTRL(port)); + a = sw_r32(RTL930X_EEEP_PORT_CTRL(port)); + pr_info("%s RTL930X_EEEP_PORT_CTRL: %08x\n", __func__, a); + + return 0; +} + +static void rtl930x_init_eee(struct rtl838x_switch_priv *priv, bool enable) +{ + int i; + + pr_info("Setting up EEE, state: %d\n", enable); + + // Setup EEE on all ports + for (i = 0; i < priv->cpu_port; i++) { + if (priv->ports[i].phy) + rtl930x_port_eee_set(priv, i, enable); + } + + priv->eee_enabled = enable; +} const struct rtl838x_reg rtl930x_reg = { .mask_port_reg_be = rtl838x_mask_port_reg, @@ -604,4 +693,7 @@ const struct rtl838x_reg rtl930x_reg = { .vlan_port_tag_sts_ctrl = RTL930X_VLAN_PORT_TAG_STS_CTRL, .trk_mbr_ctr = rtl930x_trk_mbr_ctr, .rma_bpdu_fld_pmask = RTL930X_RMA_BPDU_FLD_PMSK, + .init_eee = rtl930x_init_eee, + .port_eee_set = rtl930x_port_eee_set, + .eee_port_ability = rtl930x_eee_port_ability, }; |