diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mvpp2.c | 764 |
1 files changed, 756 insertions, 8 deletions
diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index 245a760e27..217afa6cfe 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -355,6 +355,7 @@ do { \ /* Per-port registers */ #define MVPP2_GMAC_CTRL_0_REG 0x0 #define MVPP2_GMAC_PORT_EN_MASK BIT(0) +#define MVPP2_GMAC_PORT_TYPE_MASK BIT(1) #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15) @@ -366,29 +367,131 @@ do { \ #define MVPP2_GMAC_SA_LOW_OFFS 7 #define MVPP2_GMAC_CTRL_2_REG 0x8 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0) +#define MVPP2_GMAC_SGMII_MODE_MASK BIT(0) #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3) #define MVPP2_GMAC_PORT_RGMII_MASK BIT(4) +#define MVPP2_GMAC_PORT_DIS_PADING_MASK BIT(5) #define MVPP2_GMAC_PORT_RESET_MASK BIT(6) +#define MVPP2_GMAC_CLK_125_BYPS_EN_MASK BIT(9) #define MVPP2_GMAC_AUTONEG_CONFIG 0xc #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0) #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1) +#define MVPP2_GMAC_EN_PCS_AN BIT(2) +#define MVPP2_GMAC_AN_BYPASS_EN BIT(3) #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5) #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6) #define MVPP2_GMAC_AN_SPEED_EN BIT(7) #define MVPP2_GMAC_FC_ADV_EN BIT(9) +#define MVPP2_GMAC_EN_FC_AN BIT(11) #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12) #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13) +#define MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG BIT(15) #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \ MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK) +#define MVPP2_GMAC_CTRL_4_REG 0x90 +#define MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK BIT(0) +#define MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK BIT(5) +#define MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK BIT(6) +#define MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK BIT(7) -#define MVPP22_SMI_MISC_CFG_REG 0x1204 +/* + * Per-port XGMAC registers. PPv2.2 only, only for GOP port 0, + * relative to port->base. + */ + +/* Port Mac Control0 */ +#define MVPP22_XLG_CTRL0_REG 0x100 +#define MVPP22_XLG_PORT_EN BIT(0) +#define MVPP22_XLG_MAC_RESETN BIT(1) +#define MVPP22_XLG_RX_FC_EN BIT(7) +#define MVPP22_XLG_MIBCNT_DIS BIT(13) +/* Port Mac Control1 */ +#define MVPP22_XLG_CTRL1_REG 0x104 +#define MVPP22_XLG_MAX_RX_SIZE_OFFS 0 +#define MVPP22_XLG_MAX_RX_SIZE_MASK 0x1fff +/* Port Interrupt Mask */ +#define MVPP22_XLG_INTERRUPT_MASK_REG 0x118 +#define MVPP22_XLG_INTERRUPT_LINK_CHANGE BIT(1) +/* Port Mac Control3 */ +#define MVPP22_XLG_CTRL3_REG 0x11c +#define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13) +#define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13) +#define MVPP22_XLG_CTRL3_MACMODESELECT_10GMAC (1 << 13) +/* Port Mac Control4 */ +#define MVPP22_XLG_CTRL4_REG 0x184 +#define MVPP22_XLG_FORWARD_802_3X_FC_EN BIT(5) +#define MVPP22_XLG_FORWARD_PFC_EN BIT(6) +#define MVPP22_XLG_MODE_DMA_1G BIT(12) +#define MVPP22_XLG_EN_IDLE_CHECK_FOR_LINK BIT(14) + +/* XPCS registers */ + +/* Global Configuration 0 */ +#define MVPP22_XPCS_GLOBAL_CFG_0_REG 0x0 +#define MVPP22_XPCS_PCSRESET BIT(0) +#define MVPP22_XPCS_PCSMODE_OFFS 3 +#define MVPP22_XPCS_PCSMODE_MASK (0x3 << \ + MVPP22_XPCS_PCSMODE_OFFS) +#define MVPP22_XPCS_LANEACTIVE_OFFS 5 +#define MVPP22_XPCS_LANEACTIVE_MASK (0x3 << \ + MVPP22_XPCS_LANEACTIVE_OFFS) + +/* MPCS registers */ + +#define PCS40G_COMMON_CONTROL 0x14 +#define FORWARD_ERROR_CORRECTION_MASK BIT(1) + +#define PCS_CLOCK_RESET 0x14c +#define TX_SD_CLK_RESET_MASK BIT(0) +#define RX_SD_CLK_RESET_MASK BIT(1) +#define MAC_CLK_RESET_MASK BIT(2) +#define CLK_DIVISION_RATIO_OFFS 4 +#define CLK_DIVISION_RATIO_MASK (0x7 << CLK_DIVISION_RATIO_OFFS) +#define CLK_DIV_PHASE_SET_MASK BIT(11) + +/* System Soft Reset 1 */ +#define GOP_SOFT_RESET_1_REG 0x108 +#define NETC_GOP_SOFT_RESET_OFFS 6 +#define NETC_GOP_SOFT_RESET_MASK (0x1 << \ + NETC_GOP_SOFT_RESET_OFFS) + +/* Ports Control 0 */ +#define NETCOMP_PORTS_CONTROL_0_REG 0x110 +#define NETC_BUS_WIDTH_SELECT_OFFS 1 +#define NETC_BUS_WIDTH_SELECT_MASK (0x1 << \ + NETC_BUS_WIDTH_SELECT_OFFS) +#define NETC_GIG_RX_DATA_SAMPLE_OFFS 29 +#define NETC_GIG_RX_DATA_SAMPLE_MASK (0x1 << \ + NETC_GIG_RX_DATA_SAMPLE_OFFS) +#define NETC_CLK_DIV_PHASE_OFFS 31 +#define NETC_CLK_DIV_PHASE_MASK (0x1 << NETC_CLK_DIV_PHASE_OFFS) +/* Ports Control 1 */ +#define NETCOMP_PORTS_CONTROL_1_REG 0x114 +#define NETC_PORTS_ACTIVE_OFFSET(p) (0 + p) +#define NETC_PORTS_ACTIVE_MASK(p) (0x1 << \ + NETC_PORTS_ACTIVE_OFFSET(p)) +#define NETC_PORT_GIG_RF_RESET_OFFS(p) (28 + p) +#define NETC_PORT_GIG_RF_RESET_MASK(p) (0x1 << \ + NETC_PORT_GIG_RF_RESET_OFFS(p)) +#define NETCOMP_CONTROL_0_REG 0x120 +#define NETC_GBE_PORT0_SGMII_MODE_OFFS 0 +#define NETC_GBE_PORT0_SGMII_MODE_MASK (0x1 << \ + NETC_GBE_PORT0_SGMII_MODE_OFFS) +#define NETC_GBE_PORT1_SGMII_MODE_OFFS 1 +#define NETC_GBE_PORT1_SGMII_MODE_MASK (0x1 << \ + NETC_GBE_PORT1_SGMII_MODE_OFFS) +#define NETC_GBE_PORT1_MII_MODE_OFFS 2 +#define NETC_GBE_PORT1_MII_MODE_MASK (0x1 << \ + NETC_GBE_PORT1_MII_MODE_OFFS) + +#define MVPP22_SMI_MISC_CFG_REG (MVPP22_SMI + 0x04) #define MVPP22_SMI_POLLING_EN BIT(10) -#define MVPP22_PORT_BASE 0x30e00 -#define MVPP22_PORT_OFFSET 0x1000 +#define MVPP22_SMI_PHY_ADDR_REG(port) (MVPP22_SMI + 0x04 + \ + (0x4 * (port))) #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff @@ -414,6 +517,48 @@ do { \ #define MVPP2_PHY_ADDR_MASK 0x1f #define MVPP2_PHY_REG_MASK 0x1f +/* Additional PPv2.2 offsets */ +#define MVPP22_MPCS 0x007000 +#define MVPP22_XPCS 0x007400 +#define MVPP22_PORT_BASE 0x007e00 +#define MVPP22_PORT_OFFSET 0x001000 +#define MVPP22_RFU1 0x318000 + +/* Maximum number of ports */ +#define MVPP22_GOP_MAC_NUM 4 + +/* Sets the field located at the specified in data */ +#define MVPP2_RGMII_TX_FIFO_MIN_TH 0x41 +#define MVPP2_SGMII_TX_FIFO_MIN_TH 0x5 +#define MVPP2_SGMII2_5_TX_FIFO_MIN_TH 0xb + +/* Net Complex */ +enum mv_netc_topology { + MV_NETC_GE_MAC2_SGMII = BIT(0), + MV_NETC_GE_MAC3_SGMII = BIT(1), + MV_NETC_GE_MAC3_RGMII = BIT(2), +}; + +enum mv_netc_phase { + MV_NETC_FIRST_PHASE, + MV_NETC_SECOND_PHASE, +}; + +enum mv_netc_sgmii_xmi_mode { + MV_NETC_GBE_SGMII, + MV_NETC_GBE_XMII, +}; + +enum mv_netc_mii_mode { + MV_NETC_GBE_RGMII, + MV_NETC_GBE_MII, +}; + +enum mv_netc_lanes { + MV_NETC_LANE_23, + MV_NETC_LANE_45, +}; + /* Various constants */ /* Coalescing */ @@ -763,6 +908,12 @@ struct mvpp2 { void __iomem *iface_base; void __iomem *mdio_base; + void __iomem *mpcs_base; + void __iomem *xpcs_base; + void __iomem *rfu1_base; + + u32 netc_config; + /* List of pointers to port structures */ struct mvpp2_port **port_list; @@ -2826,6 +2977,570 @@ static inline void mvpp2_gmac_max_rx_size_set(struct mvpp2_port *port) writel(val, port->base + MVPP2_GMAC_CTRL_0_REG); } +/* PPv2.2 GoP/GMAC config */ + +/* Set the MAC to reset or exit from reset */ +static int gop_gmac_reset(struct mvpp2_port *port, int reset) +{ + u32 val; + + /* read - modify - write */ + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + if (reset) + val |= MVPP2_GMAC_PORT_RESET_MASK; + else + val &= ~MVPP2_GMAC_PORT_RESET_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + return 0; +} + +/* + * gop_gpcs_mode_cfg + * + * Configure port to working with Gig PCS or don't. + */ +static int gop_gpcs_mode_cfg(struct mvpp2_port *port, int en) +{ + u32 val; + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + if (en) + val |= MVPP2_GMAC_PCS_ENABLE_MASK; + else + val &= ~MVPP2_GMAC_PCS_ENABLE_MASK; + /* enable / disable PCS on this port */ + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + return 0; +} + +static int gop_bypass_clk_cfg(struct mvpp2_port *port, int en) +{ + u32 val; + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + if (en) + val |= MVPP2_GMAC_CLK_125_BYPS_EN_MASK; + else + val &= ~MVPP2_GMAC_CLK_125_BYPS_EN_MASK; + /* enable / disable PCS on this port */ + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + return 0; +} + +static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port) +{ + u32 val, thresh; + + /* + * Configure minimal level of the Tx FIFO before the lower part + * starts to read a packet + */ + thresh = MVPP2_SGMII2_5_TX_FIFO_MIN_TH; + val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK; + val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh); + writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + + /* Disable bypass of sync module */ + val = readl(port->base + MVPP2_GMAC_CTRL_4_REG); + val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK; + /* configure DP clock select according to mode */ + val |= MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK; + /* configure QSGMII bypass according to mode */ + val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_4_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + val |= MVPP2_GMAC_PORT_DIS_PADING_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_0_REG); + /* + * Configure GIG MAC to 1000Base-X mode connected to a fiber + * transceiver + */ + val |= MVPP2_GMAC_PORT_TYPE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_0_REG); + + /* configure AN 0x9268 */ + val = MVPP2_GMAC_EN_PCS_AN | + MVPP2_GMAC_AN_BYPASS_EN | + MVPP2_GMAC_CONFIG_MII_SPEED | + MVPP2_GMAC_CONFIG_GMII_SPEED | + MVPP2_GMAC_FC_ADV_EN | + MVPP2_GMAC_CONFIG_FULL_DUPLEX | + MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); +} + +static void gop_gmac_sgmii_cfg(struct mvpp2_port *port) +{ + u32 val, thresh; + + /* + * Configure minimal level of the Tx FIFO before the lower part + * starts to read a packet + */ + thresh = MVPP2_SGMII_TX_FIFO_MIN_TH; + val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK; + val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh); + writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + + /* Disable bypass of sync module */ + val = readl(port->base + MVPP2_GMAC_CTRL_4_REG); + val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK; + /* configure DP clock select according to mode */ + val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK; + /* configure QSGMII bypass according to mode */ + val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_4_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + val |= MVPP2_GMAC_PORT_DIS_PADING_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_0_REG); + /* configure GIG MAC to SGMII mode */ + val &= ~MVPP2_GMAC_PORT_TYPE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_0_REG); + + /* configure AN */ + val = MVPP2_GMAC_EN_PCS_AN | + MVPP2_GMAC_AN_BYPASS_EN | + MVPP2_GMAC_AN_SPEED_EN | + MVPP2_GMAC_EN_FC_AN | + MVPP2_GMAC_AN_DUPLEX_EN | + MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); +} + +static void gop_gmac_rgmii_cfg(struct mvpp2_port *port) +{ + u32 val, thresh; + + /* + * Configure minimal level of the Tx FIFO before the lower part + * starts to read a packet + */ + thresh = MVPP2_RGMII_TX_FIFO_MIN_TH; + val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK; + val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(thresh); + writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG); + + /* Disable bypass of sync module */ + val = readl(port->base + MVPP2_GMAC_CTRL_4_REG); + val |= MVPP2_GMAC_CTRL4_SYNC_BYPASS_MASK; + /* configure DP clock select according to mode */ + val &= ~MVPP2_GMAC_CTRL4_DP_CLK_SEL_MASK; + val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK; + val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_4_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + val &= ~MVPP2_GMAC_PORT_DIS_PADING_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + val = readl(port->base + MVPP2_GMAC_CTRL_0_REG); + /* configure GIG MAC to SGMII mode */ + val &= ~MVPP2_GMAC_PORT_TYPE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_0_REG); + + /* configure AN 0xb8e8 */ + val = MVPP2_GMAC_AN_BYPASS_EN | + MVPP2_GMAC_AN_SPEED_EN | + MVPP2_GMAC_EN_FC_AN | + MVPP2_GMAC_AN_DUPLEX_EN | + MVPP2_GMAC_CHOOSE_SAMPLE_TX_CONFIG; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); +} + +/* Set the internal mux's to the required MAC in the GOP */ +static int gop_gmac_mode_cfg(struct mvpp2_port *port) +{ + u32 val; + + /* Set TX FIFO thresholds */ + switch (port->phy_interface) { + case PHY_INTERFACE_MODE_SGMII: + if (port->phy_speed == 2500) + gop_gmac_sgmii2_5_cfg(port); + else + gop_gmac_sgmii_cfg(port); + break; + + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + gop_gmac_rgmii_cfg(port); + break; + + default: + return -1; + } + + /* Jumbo frame support - 0x1400*2= 0x2800 bytes */ + val = readl(port->base + MVPP2_GMAC_CTRL_0_REG); + val &= ~MVPP2_GMAC_MAX_RX_SIZE_MASK; + val |= 0x1400 << MVPP2_GMAC_MAX_RX_SIZE_OFFS; + writel(val, port->base + MVPP2_GMAC_CTRL_0_REG); + + /* PeriodicXonEn disable */ + val = readl(port->base + MVPP2_GMAC_CTRL_1_REG); + val &= ~MVPP2_GMAC_PERIODIC_XON_EN_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_1_REG); + + return 0; +} + +static void gop_xlg_2_gig_mac_cfg(struct mvpp2_port *port) +{ + u32 val; + + /* relevant only for MAC0 (XLG0 and GMAC0) */ + if (port->gop_id > 0) + return; + + /* configure 1Gig MAC mode */ + val = readl(port->base + MVPP22_XLG_CTRL3_REG); + val &= ~MVPP22_XLG_CTRL3_MACMODESELECT_MASK; + val |= MVPP22_XLG_CTRL3_MACMODESELECT_GMAC; + writel(val, port->base + MVPP22_XLG_CTRL3_REG); +} + +static int gop_gpcs_reset(struct mvpp2_port *port, int reset) +{ + u32 val; + + val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); + if (reset) + val &= ~MVPP2_GMAC_SGMII_MODE_MASK; + else + val |= MVPP2_GMAC_SGMII_MODE_MASK; + writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + return 0; +} + +/* + * gop_port_init + * + * Init physical port. Configures the port mode and all it's elements + * accordingly. + * Does not verify that the selected mode/port number is valid at the + * core level. + */ +static int gop_port_init(struct mvpp2_port *port) +{ + int mac_num = port->gop_id; + + if (mac_num >= MVPP22_GOP_MAC_NUM) { + netdev_err(NULL, "%s: illegal port number %d", __func__, + mac_num); + return -1; + } + + switch (port->phy_interface) { + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + gop_gmac_reset(port, 1); + + /* configure PCS */ + gop_gpcs_mode_cfg(port, 0); + gop_bypass_clk_cfg(port, 1); + + /* configure MAC */ + gop_gmac_mode_cfg(port); + /* pcs unreset */ + gop_gpcs_reset(port, 0); + + /* mac unreset */ + gop_gmac_reset(port, 0); + break; + + case PHY_INTERFACE_MODE_SGMII: + /* configure PCS */ + gop_gpcs_mode_cfg(port, 1); + + /* configure MAC */ + gop_gmac_mode_cfg(port); + /* select proper Mac mode */ + gop_xlg_2_gig_mac_cfg(port); + + /* pcs unreset */ + gop_gpcs_reset(port, 0); + /* mac unreset */ + gop_gmac_reset(port, 0); + break; + + default: + netdev_err(NULL, "%s: Requested port mode (%d) not supported\n", + __func__, port->phy_interface); + return -1; + } + + return 0; +} + +static void gop_port_enable(struct mvpp2_port *port, int enable) +{ + switch (port->phy_interface) { + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_SGMII: + if (enable) + mvpp2_port_enable(port); + else + mvpp2_port_disable(port); + break; + + default: + netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__, + port->phy_interface); + return; + } +} + +/* RFU1 functions */ +static inline u32 gop_rfu1_read(struct mvpp2 *priv, u32 offset) +{ + return readl(priv->rfu1_base + offset); +} + +static inline void gop_rfu1_write(struct mvpp2 *priv, u32 offset, u32 data) +{ + writel(data, priv->rfu1_base + offset); +} + +static u32 mvpp2_netc_cfg_create(int gop_id, phy_interface_t phy_type) +{ + u32 val = 0; + + if (gop_id == 2) { + if (phy_type == PHY_INTERFACE_MODE_SGMII) + val |= MV_NETC_GE_MAC2_SGMII; + } + + if (gop_id == 3) { + if (phy_type == PHY_INTERFACE_MODE_SGMII) + val |= MV_NETC_GE_MAC3_SGMII; + else if (phy_type == PHY_INTERFACE_MODE_RGMII || + phy_type == PHY_INTERFACE_MODE_RGMII_ID) + val |= MV_NETC_GE_MAC3_RGMII; + } + + return val; +} + +static void gop_netc_active_port(struct mvpp2 *priv, int gop_id, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG); + reg &= ~(NETC_PORTS_ACTIVE_MASK(gop_id)); + + val <<= NETC_PORTS_ACTIVE_OFFSET(gop_id); + val &= NETC_PORTS_ACTIVE_MASK(gop_id); + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg); +} + +static void gop_netc_mii_mode(struct mvpp2 *priv, int gop_id, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG); + reg &= ~NETC_GBE_PORT1_MII_MODE_MASK; + + val <<= NETC_GBE_PORT1_MII_MODE_OFFS; + val &= NETC_GBE_PORT1_MII_MODE_MASK; + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg); +} + +static void gop_netc_gop_reset(struct mvpp2 *priv, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, GOP_SOFT_RESET_1_REG); + reg &= ~NETC_GOP_SOFT_RESET_MASK; + + val <<= NETC_GOP_SOFT_RESET_OFFS; + val &= NETC_GOP_SOFT_RESET_MASK; + + reg |= val; + + gop_rfu1_write(priv, GOP_SOFT_RESET_1_REG, reg); +} + +static void gop_netc_gop_clock_logic_set(struct mvpp2 *priv, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG); + reg &= ~NETC_CLK_DIV_PHASE_MASK; + + val <<= NETC_CLK_DIV_PHASE_OFFS; + val &= NETC_CLK_DIV_PHASE_MASK; + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg); +} + +static void gop_netc_port_rf_reset(struct mvpp2 *priv, int gop_id, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_1_REG); + reg &= ~(NETC_PORT_GIG_RF_RESET_MASK(gop_id)); + + val <<= NETC_PORT_GIG_RF_RESET_OFFS(gop_id); + val &= NETC_PORT_GIG_RF_RESET_MASK(gop_id); + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_1_REG, reg); +} + +static void gop_netc_gbe_sgmii_mode_select(struct mvpp2 *priv, int gop_id, + u32 val) +{ + u32 reg, mask, offset; + + if (gop_id == 2) { + mask = NETC_GBE_PORT0_SGMII_MODE_MASK; + offset = NETC_GBE_PORT0_SGMII_MODE_OFFS; + } else { + mask = NETC_GBE_PORT1_SGMII_MODE_MASK; + offset = NETC_GBE_PORT1_SGMII_MODE_OFFS; + } + reg = gop_rfu1_read(priv, NETCOMP_CONTROL_0_REG); + reg &= ~mask; + + val <<= offset; + val &= mask; + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_CONTROL_0_REG, reg); +} + +static void gop_netc_bus_width_select(struct mvpp2 *priv, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG); + reg &= ~NETC_BUS_WIDTH_SELECT_MASK; + + val <<= NETC_BUS_WIDTH_SELECT_OFFS; + val &= NETC_BUS_WIDTH_SELECT_MASK; + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg); +} + +static void gop_netc_sample_stages_timing(struct mvpp2 *priv, u32 val) +{ + u32 reg; + + reg = gop_rfu1_read(priv, NETCOMP_PORTS_CONTROL_0_REG); + reg &= ~NETC_GIG_RX_DATA_SAMPLE_MASK; + + val <<= NETC_GIG_RX_DATA_SAMPLE_OFFS; + val &= NETC_GIG_RX_DATA_SAMPLE_MASK; + + reg |= val; + + gop_rfu1_write(priv, NETCOMP_PORTS_CONTROL_0_REG, reg); +} + +static void gop_netc_mac_to_xgmii(struct mvpp2 *priv, int gop_id, + enum mv_netc_phase phase) +{ + switch (phase) { + case MV_NETC_FIRST_PHASE: + /* Set Bus Width to HB mode = 1 */ + gop_netc_bus_width_select(priv, 1); + /* Select RGMII mode */ + gop_netc_gbe_sgmii_mode_select(priv, gop_id, MV_NETC_GBE_XMII); + break; + + case MV_NETC_SECOND_PHASE: + /* De-assert the relevant port HB reset */ + gop_netc_port_rf_reset(priv, gop_id, 1); + break; + } +} + +static void gop_netc_mac_to_sgmii(struct mvpp2 *priv, int gop_id, + enum mv_netc_phase phase) +{ + switch (phase) { + case MV_NETC_FIRST_PHASE: + /* Set Bus Width to HB mode = 1 */ + gop_netc_bus_width_select(priv, 1); + /* Select SGMII mode */ + if (gop_id >= 1) { + gop_netc_gbe_sgmii_mode_select(priv, gop_id, + MV_NETC_GBE_SGMII); + } + + /* Configure the sample stages */ + gop_netc_sample_stages_timing(priv, 0); + /* Configure the ComPhy Selector */ + /* gop_netc_com_phy_selector_config(netComplex); */ + break; + + case MV_NETC_SECOND_PHASE: + /* De-assert the relevant port HB reset */ + gop_netc_port_rf_reset(priv, gop_id, 1); + break; + } +} + +static int gop_netc_init(struct mvpp2 *priv, enum mv_netc_phase phase) +{ + u32 c = priv->netc_config; + + if (c & MV_NETC_GE_MAC2_SGMII) + gop_netc_mac_to_sgmii(priv, 2, phase); + else + gop_netc_mac_to_xgmii(priv, 2, phase); + + if (c & MV_NETC_GE_MAC3_SGMII) { + gop_netc_mac_to_sgmii(priv, 3, phase); + } else { + gop_netc_mac_to_xgmii(priv, 3, phase); + if (c & MV_NETC_GE_MAC3_RGMII) + gop_netc_mii_mode(priv, 3, MV_NETC_GBE_RGMII); + else + gop_netc_mii_mode(priv, 3, MV_NETC_GBE_MII); + } + + /* Activate gop ports 0, 2, 3 */ + gop_netc_active_port(priv, 0, 1); + gop_netc_active_port(priv, 2, 1); + gop_netc_active_port(priv, 3, 1); + + if (phase == MV_NETC_SECOND_PHASE) { + /* Enable the GOP internal clock logic */ + gop_netc_gop_clock_logic_set(priv, 1); + /* De-assert GOP unit reset */ + gop_netc_gop_reset(priv, 1); + } + + return 0; +} + /* Set defaults to the MVPP2 port */ static void mvpp2_defaults_set(struct mvpp2_port *port) { @@ -3602,7 +4317,10 @@ static void mvpp2_start_dev(struct mvpp2_port *port) mvpp2_gmac_max_rx_size_set(port); mvpp2_txp_max_tx_size_set(port); - mvpp2_port_enable(port); + if (port->priv->hw_version == MVPP21) + mvpp2_port_enable(port); + else + gop_port_enable(port, 1); } /* Set hw internals when stopping port */ @@ -3612,7 +4330,11 @@ static void mvpp2_stop_dev(struct mvpp2_port *port) mvpp2_ingress_disable(port); mvpp2_egress_disable(port); - mvpp2_port_disable(port); + + if (port->priv->hw_version == MVPP21) + mvpp2_port_disable(port); + else + gop_port_enable(port, 0); } static int mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port) @@ -3706,7 +4428,9 @@ static void mvpp2_port_power_up(struct mvpp2_port *port) { struct mvpp2 *priv = port->priv; - mvpp2_port_mii_set(port); + /* On PPv2.2 the GoP / interface configuration has already been done */ + if (priv->hw_version == MVPP21) + mvpp2_port_mii_set(port); mvpp2_port_periodic_xon_disable(port); if (priv->hw_version == MVPP21) mvpp2_port_fc_adv_enable(port); @@ -3726,7 +4450,10 @@ static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port) /* Disable port */ mvpp2_egress_disable(port); - mvpp2_port_disable(port); + if (priv->hw_version == MVPP21) + mvpp2_port_disable(port); + else + gop_port_enable(port, 0); port->txqs = devm_kcalloc(dev, txq_number, sizeof(*port->txqs), GFP_KERNEL); @@ -4509,6 +5236,11 @@ static int mvpp2_base_probe(struct udevice *dev) return PTR_ERR(priv->iface_base); priv->mdio_base = priv->iface_base + MVPP22_SMI; + + /* Store common base addresses for all ports */ + priv->mpcs_base = priv->iface_base + MVPP22_MPCS; + priv->xpcs_base = priv->iface_base + MVPP22_XPCS; + priv->rfu1_base = priv->iface_base + MVPP22_RFU1; } if (priv->hw_version == MVPP21) @@ -4571,6 +5303,9 @@ static int mvpp2_probe(struct udevice *dev) port->base = priv->iface_base + MVPP22_PORT_BASE + port->gop_id * MVPP22_PORT_OFFSET; + + /* GoP Init */ + gop_port_init(port); } /* Initialize network controller */ @@ -4580,7 +5315,20 @@ static int mvpp2_probe(struct udevice *dev) return err; } - return mvpp2_port_probe(dev, port, dev_of_offset(dev), priv); + err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv); + if (err) + return err; + + if (priv->hw_version == MVPP22) { + priv->netc_config |= mvpp2_netc_cfg_create(port->gop_id, + port->phy_interface); + + /* Netcomplex configurations for all ports */ + gop_netc_init(priv, MV_NETC_FIRST_PHASE); + gop_netc_init(priv, MV_NETC_SECOND_PHASE); + } + + return 0; } static const struct eth_ops mvpp2_ops = { |