diff options
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/rtl8366s.c | 260 |
1 files changed, 198 insertions, 62 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366s.c b/target/linux/generic/files/drivers/net/phy/rtl8366s.c index b54b4b1..1c8a106 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366s.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366s.c @@ -42,6 +42,12 @@ /* Port Enable Control register */ #define RTL8366S_PECR 0x0001 +/* Green Ethernet Feature (based on GPL_BELKIN_F5D8235-4_v1000 v1.01.24) */ +#define RTL8366S_GREEN_ETHERNET_CTRL_REG 0x000a +#define RTL8366S_GREEN_ETHERNET_CTRL_MASK 0x0018 +#define RTL8366S_GREEN_ETHERNET_TX_BIT (1 << 3) +#define RTL8366S_GREEN_ETHERNET_RX_BIT (1 << 4) + /* Switch Security Control registers */ #define RTL8366S_SSCR0 0x0002 #define RTL8366S_SSCR1 0x0003 @@ -70,6 +76,10 @@ #define RTL8366S_PHY_NO_OFFSET 9 #define RTL8366S_PHY_NO_MASK (0x1f << 9) +/* Green Ethernet Feature for PHY ports */ +#define RTL8366S_PHY_POWER_SAVING_CTRL_REG 12 +#define RTL8366S_PHY_POWER_SAVING_MASK 0x1000 + /* LED control registers */ #define RTL8366S_LED_BLINKRATE_REG 0x0420 #define RTL8366S_LED_BLINKRATE_BIT 0 @@ -250,68 +260,6 @@ static int rtl8366s_reset_chip(struct rtl8366_smi *smi) return 0; } -static int rtl8366s_setup(struct rtl8366_smi *smi) -{ - struct rtl8366_platform_data *pdata; - int err; - unsigned i; -#ifdef CONFIG_OF - struct device_node *np; - unsigned num_initvals; - const __be32 *paddr; -#endif - - pdata = smi->parent->platform_data; - if (pdata && pdata->num_initvals && pdata->initvals) { - dev_info(smi->parent, "applying initvals\n"); - for (i = 0; i < pdata->num_initvals; i++) - REG_WR(smi, pdata->initvals[i].reg, - pdata->initvals[i].val); - } - -#ifdef CONFIG_OF - np = smi->parent->of_node; - - paddr = of_get_property(np, "realtek,initvals", &num_initvals); - if (paddr) { - dev_info(smi->parent, "applying initvals from DTS\n"); - - if (num_initvals < (2 * sizeof(*paddr))) - return -EINVAL; - - num_initvals /= sizeof(*paddr); - - for (i = 0; i < num_initvals - 1; i += 2) { - u32 reg = be32_to_cpup(paddr + i); - u32 val = be32_to_cpup(paddr + i + 1); - - REG_WR(smi, reg, val); - } - } -#endif - - /* set maximum packet length to 1536 bytes */ - REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK, - RTL8366S_SGCR_MAX_LENGTH_1536); - - /* enable learning for all ports */ - REG_WR(smi, RTL8366S_SSCR0, 0); - - /* enable auto ageing for all ports */ - REG_WR(smi, RTL8366S_SSCR1, 0); - - /* - * discard VLAN tagged packets if the port is not a member of - * the VLAN with which the packets is associated. - */ - REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL); - - /* don't drop packets whose DA has not been learned */ - REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0); - - return 0; -} - static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi, u32 phy_no, u32 page, u32 addr, u32 *data) { @@ -378,6 +326,126 @@ static int rtl8366s_write_phy_reg(struct rtl8366_smi *smi, return 0; } +static int rtl8366s_set_green_port(struct rtl8366_smi *smi, int port, int enable) +{ + int err; + u32 phyData; + + if (port >= RTL8366S_NUM_PORTS) + return -EINVAL; + + err = rtl8366s_read_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData); + if (err) + return err; + + if (enable) + phyData |= RTL8366S_PHY_POWER_SAVING_MASK; + else + phyData &= ~RTL8366S_PHY_POWER_SAVING_MASK; + + err = rtl8366s_write_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, phyData); + if (err) + return err; + + return 0; +} + +static int rtl8366s_set_green(struct rtl8366_smi *smi, int enable) +{ + int err; + unsigned i; + u32 data = 0; + + if (!enable) { + for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) { + rtl8366s_set_green_port(smi, i, 0); + } + } + + if (enable) + data = (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT); + + REG_RMW(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, RTL8366S_GREEN_ETHERNET_CTRL_MASK, data); + + return 0; +} + +static int rtl8366s_setup(struct rtl8366_smi *smi) +{ + struct rtl8366_platform_data *pdata; + int err; + unsigned i; +#ifdef CONFIG_OF + struct device_node *np; + unsigned num_initvals; + const __be32 *paddr; +#endif + + pdata = smi->parent->platform_data; + if (pdata && pdata->num_initvals && pdata->initvals) { + dev_info(smi->parent, "applying initvals\n"); + for (i = 0; i < pdata->num_initvals; i++) + REG_WR(smi, pdata->initvals[i].reg, + pdata->initvals[i].val); + } + +#ifdef CONFIG_OF + np = smi->parent->of_node; + + paddr = of_get_property(np, "realtek,initvals", &num_initvals); + if (paddr) { + dev_info(smi->parent, "applying initvals from DTS\n"); + + if (num_initvals < (2 * sizeof(*paddr))) + return -EINVAL; + + num_initvals /= sizeof(*paddr); + + for (i = 0; i < num_initvals - 1; i += 2) { + u32 reg = be32_to_cpup(paddr + i); + u32 val = be32_to_cpup(paddr + i + 1); + + REG_WR(smi, reg, val); + } + } + + if (of_property_read_bool(np, "realtek,green-ethernet-features")) { + dev_info(smi->parent, "activating Green Ethernet features\n"); + + err = rtl8366s_set_green(smi, 1); + if (err) + return err; + + for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) { + err = rtl8366s_set_green_port(smi, i, 1); + if (err) + return err; + } + } +#endif + + /* set maximum packet length to 1536 bytes */ + REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK, + RTL8366S_SGCR_MAX_LENGTH_1536); + + /* enable learning for all ports */ + REG_WR(smi, RTL8366S_SSCR0, 0); + + /* enable auto ageing for all ports */ + REG_WR(smi, RTL8366S_SSCR1, 0); + + /* + * discard VLAN tagged packets if the port is not a member of + * the VLAN with which the packets is associated. + */ + REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL); + + /* don't drop packets whose DA has not been learned */ + REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0); + + return 0; +} + static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter, int port, unsigned long long *val) { @@ -759,6 +827,32 @@ static int rtl8366s_sw_set_learning_enable(struct switch_dev *dev, return 0; } +static int rtl8366s_sw_get_green(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); + u32 data; + int err; + + err = rtl8366_smi_read_reg(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, &data); + if (err) + return err; + + val->value.i = ((data & (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT)) != 0) ? 1 : 0; + + return 0; +} + +static int rtl8366s_sw_set_green(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); + + return rtl8366s_set_green(smi, val->value.i); +} + static int rtl8366s_sw_get_port_link(struct switch_dev *dev, int port, struct switch_port_link *link) @@ -846,6 +940,34 @@ static int rtl8366s_sw_get_port_led(struct switch_dev *dev, return 0; } +static int rtl8366s_sw_get_green_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); + int err; + u32 phyData; + + if (val->port_vlan >= RTL8366S_NUM_PORTS) + return -EINVAL; + + err = rtl8366s_read_phy_reg(smi, val->port_vlan, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData); + if (err) + return err; + + val->value.i = ((phyData & RTL8366S_PHY_POWER_SAVING_MASK) != 0) ? 1 : 0; + + return 0; +} + +static int rtl8366s_sw_set_green_port(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); + return rtl8366s_set_green_port(smi, val->port_vlan, val->value.i); +} + static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) @@ -905,6 +1027,13 @@ static struct switch_attr rtl8366s_globals[] = { .set = rtl8366s_sw_set_max_length, .get = rtl8366s_sw_get_max_length, .max = 3, + }, { + .type = SWITCH_TYPE_INT, + .name = "green_mode", + .description = "Get/Set the router green feature", + .set = rtl8366s_sw_set_green, + .get = rtl8366s_sw_get_green, + .max = 1, }, }; @@ -928,6 +1057,13 @@ static struct switch_attr rtl8366s_port[] = { .max = 15, .set = rtl8366s_sw_set_port_led, .get = rtl8366s_sw_get_port_led, + }, { + .type = SWITCH_TYPE_INT, + .name = "green_port", + .description = "Get/Set port green feature (0 - 1)", + .max = 1, + .set = rtl8366s_sw_set_green_port, + .get = rtl8366s_sw_get_green_port, }, }; |