X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=drivers%2Fnet%2Fkeystone_net.c;h=0c5fdeefd758424bc64e97fd51ed97762e793094;hb=fc046db47e80af05d01b84f3978d869df1f66e97;hp=f95c9280765d05a5c418c33a0b8a25d68393488f;hpb=c9afa7cea84c9b7346fcd2710577bcc386631aba;p=karo-tx-uboot.git diff --git a/drivers/net/keystone_net.c b/drivers/net/keystone_net.c index f95c928076..0c5fdeefd7 100644 --- a/drivers/net/keystone_net.c +++ b/drivers/net/keystone_net.c @@ -10,15 +10,16 @@ #include #include +#include +#include #include #include -#include -#include -#include - -unsigned int emac_dbg; +#include +#include +#include unsigned int emac_open; +static struct mii_dev *mdio_bus; static unsigned int sys_has_mdio = 1; #ifdef KEYSTONE2_EMAC_GIG_ENABLE @@ -30,6 +31,7 @@ static unsigned int sys_has_mdio = 1; #define RX_BUFF_NUMS 24 #define RX_BUFF_LEN 1520 #define MAX_SIZE_STREAM_BUFFER RX_BUFF_LEN +#define SGMII_ANEG_TIMEOUT 4000 static u8 rx_buffs[RX_BUFF_NUMS * RX_BUFF_LEN] __aligned(16); @@ -40,15 +42,7 @@ struct rx_buff_desc net_rx_buffs = { .rx_flow = 22, }; -static void keystone2_eth_mdio_enable(void); - -static int gen_get_link_speed(int phy_addr); - -/* EMAC Addresses */ -static volatile struct emac_regs *adap_emac = - (struct emac_regs *)EMAC_EMACSL_BASE_ADDR; -static volatile struct mdio_regs *adap_mdio = - (struct mdio_regs *)EMAC_MDIO_BASE_ADDR; +static void keystone2_net_serdes_setup(void); int keystone2_eth_read_mac_addr(struct eth_device *dev) { @@ -74,64 +68,67 @@ int keystone2_eth_read_mac_addr(struct eth_device *dev) return 0; } -static void keystone2_eth_mdio_enable(void) +/* MDIO */ + +static int keystone2_mdio_reset(struct mii_dev *bus) { - u_int32_t clkdiv; + u_int32_t clkdiv; + struct mdio_regs *adap_mdio = bus->priv; clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1; - writel((clkdiv & 0xffff) | - MDIO_CONTROL_ENABLE | - MDIO_CONTROL_FAULT | - MDIO_CONTROL_FAULT_ENABLE, + writel((clkdiv & 0xffff) | MDIO_CONTROL_ENABLE | + MDIO_CONTROL_FAULT | MDIO_CONTROL_FAULT_ENABLE, &adap_mdio->control); while (readl(&adap_mdio->control) & MDIO_CONTROL_IDLE) ; + + return 0; } -/* Read a PHY register via MDIO inteface. Returns 1 on success, 0 otherwise */ -int keystone2_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data) +/** + * keystone2_mdio_read - read a PHY register via MDIO interface. + * Blocks until operation is complete. + */ +static int keystone2_mdio_read(struct mii_dev *bus, + int addr, int devad, int reg) { - int tmp; + int tmp; + struct mdio_regs *adap_mdio = bus->priv; while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO) ; - writel(MDIO_USERACCESS0_GO | - MDIO_USERACCESS0_WRITE_READ | - ((reg_num & 0x1f) << 21) | - ((phy_addr & 0x1f) << 16), + writel(MDIO_USERACCESS0_GO | MDIO_USERACCESS0_WRITE_READ | + ((reg & 0x1f) << 21) | ((addr & 0x1f) << 16), &adap_mdio->useraccess0); /* Wait for command to complete */ while ((tmp = readl(&adap_mdio->useraccess0)) & MDIO_USERACCESS0_GO) ; - if (tmp & MDIO_USERACCESS0_ACK) { - *data = tmp & 0xffff; - return 0; - } + if (tmp & MDIO_USERACCESS0_ACK) + return tmp & 0xffff; - *data = -1; return -1; } -/* - * Write to a PHY register via MDIO inteface. +/** + * keystone2_mdio_write - write to a PHY register via MDIO interface. * Blocks until operation is complete. */ -int keystone2_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data) +static int keystone2_mdio_write(struct mii_dev *bus, + int addr, int devad, int reg, u16 val) { + struct mdio_regs *adap_mdio = bus->priv; + while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO) ; - writel(MDIO_USERACCESS0_GO | - MDIO_USERACCESS0_WRITE_WRITE | - ((reg_num & 0x1f) << 21) | - ((phy_addr & 0x1f) << 16) | - (data & 0xffff), - &adap_mdio->useraccess0); + writel(MDIO_USERACCESS0_GO | MDIO_USERACCESS0_WRITE_WRITE | + ((reg & 0x1f) << 21) | ((addr & 0x1f) << 16) | + (val & 0xffff), &adap_mdio->useraccess0); /* Wait for command to complete */ while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO) @@ -140,19 +137,6 @@ int keystone2_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data) return 0; } -/* PHY functions for a generic PHY */ -static int gen_get_link_speed(int phy_addr) -{ - u_int16_t tmp; - - if ((!keystone2_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp)) && - (tmp & 0x04)) { - return 0; - } - - return -1; -} - static void __attribute__((unused)) keystone2_eth_gigabit_enable(struct eth_device *dev) { @@ -160,8 +144,10 @@ static void __attribute__((unused)) struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv; if (sys_has_mdio) { - if (keystone2_eth_phy_read(eth_priv->phy_addr, 0, &data) || - !(data & (1 << 6))) /* speed selection MSB */ + data = keystone2_mdio_read(mdio_bus, eth_priv->phy_addr, + MDIO_DEVAD_NONE, 0); + /* speed selection MSB */ + if (!(data & (1 << 6))) return; } @@ -169,10 +155,10 @@ static void __attribute__((unused)) * Check if link detected is giga-bit * If Gigabit mode detected, enable gigbit in MAC */ - writel(readl(&(adap_emac[eth_priv->slave_port - 1].maccontrol)) | + writel(readl(DEVICE_EMACSL_BASE(eth_priv->slave_port - 1) + + CPGMACSL_REG_CTL) | EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE, - &(adap_emac[eth_priv->slave_port - 1].maccontrol)) - ; + DEVICE_EMACSL_BASE(eth_priv->slave_port - 1) + CPGMACSL_REG_CTL); } int keystone_sgmii_link_status(int port) @@ -181,38 +167,11 @@ int keystone_sgmii_link_status(int port) status = __raw_readl(SGMII_STATUS_REG(port)); - return status & SGMII_REG_STATUS_LINK; + return (status & SGMII_REG_STATUS_LOCK) && + (status & SGMII_REG_STATUS_LINK); } - -int keystone_get_link_status(struct eth_device *dev) -{ - struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv; - int sgmii_link; - int link_state = 0; -#if CONFIG_GET_LINK_STATUS_ATTEMPTS > 1 - int j; - - for (j = 0; (j < CONFIG_GET_LINK_STATUS_ATTEMPTS) && (link_state == 0); - j++) { -#endif - sgmii_link = - keystone_sgmii_link_status(eth_priv->slave_port - 1); - - if (sgmii_link) { - link_state = 1; - - if (eth_priv->sgmii_link_type == SGMII_LINK_MAC_PHY) - if (gen_get_link_speed(eth_priv->phy_addr)) - link_state = 0; - } -#if CONFIG_GET_LINK_STATUS_ATTEMPTS > 1 - } -#endif - return link_state; -} - -int keystone_sgmii_config(int port, int interface) +int keystone_sgmii_config(struct phy_device *phy_dev, int port, int interface) { unsigned int i, status, mask; unsigned int mr_adv_ability, control; @@ -273,11 +232,35 @@ int keystone_sgmii_config(int port, int interface) if (control & SGMII_REG_CONTROL_AUTONEG) mask |= SGMII_REG_STATUS_AUTONEG; - for (i = 0; i < 1000; i++) { + status = __raw_readl(SGMII_STATUS_REG(port)); + if ((status & mask) == mask) + return 0; + + printf("\n%s Waiting for SGMII auto negotiation to complete", + phy_dev->dev->name); + while ((status & mask) != mask) { + /* + * Timeout reached ? + */ + if (i > SGMII_ANEG_TIMEOUT) { + puts(" TIMEOUT !\n"); + phy_dev->link = 0; + return 0; + } + + if (ctrlc()) { + puts("user interrupt!\n"); + phy_dev->link = 0; + return -EINTR; + } + + if ((i++ % 500) == 0) + printf("."); + + udelay(1000); /* 1 ms */ status = __raw_readl(SGMII_STATUS_REG(port)); - if ((status & mask) == mask) - break; } + puts(" done\n"); return 0; } @@ -290,13 +273,12 @@ int mac_sl_reset(u32 port) return GMACSL_RET_INVALID_PORT; /* Set the soft reset bit */ - DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) + - CPGMACSL_REG_RESET, CPGMAC_REG_RESET_VAL_RESET); + writel(CPGMAC_REG_RESET_VAL_RESET, + DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RESET); /* Wait for the bit to clear */ for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) { - v = DEVICE_REG32_R(DEVICE_EMACSL_BASE(port) + - CPGMACSL_REG_RESET); + v = readl(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RESET); if ((v & CPGMAC_REG_RESET_VAL_RESET_MASK) != CPGMAC_REG_RESET_VAL_RESET) return GMACSL_RET_OK; @@ -321,8 +303,7 @@ int mac_sl_config(u_int16_t port, struct mac_sl_cfg *cfg) /* Must wait if the device is undergoing reset */ for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) { - v = DEVICE_REG32_R(DEVICE_EMACSL_BASE(port) + - CPGMACSL_REG_RESET); + v = readl(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RESET); if ((v & CPGMAC_REG_RESET_VAL_RESET_MASK) != CPGMAC_REG_RESET_VAL_RESET) break; @@ -331,11 +312,13 @@ int mac_sl_config(u_int16_t port, struct mac_sl_cfg *cfg) if (i == DEVICE_EMACSL_RESET_POLL_COUNT) return GMACSL_RET_CONFIG_FAIL_RESET_ACTIVE; - DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_MAXLEN, - cfg->max_rx_len); + writel(cfg->max_rx_len, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_MAXLEN); + writel(cfg->ctl, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_CTL); - DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_CTL, - cfg->ctl); +#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L) + /* Map RX packet flow priority to 0 */ + writel(0, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RX_PRI_MAP); +#endif return ret; } @@ -345,24 +328,24 @@ int ethss_config(u32 ctl, u32 max_pkt_size) u32 i; /* Max length register */ - DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_MAXLEN, max_pkt_size); + writel(max_pkt_size, DEVICE_CPSW_BASE + CPSW_REG_MAXLEN); /* Control register */ - DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_CTL, ctl); + writel(ctl, DEVICE_CPSW_BASE + CPSW_REG_CTL); /* All statistics enabled by default */ - DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_STAT_PORT_EN, - CPSW_REG_VAL_STAT_ENABLE_ALL); + writel(CPSW_REG_VAL_STAT_ENABLE_ALL, + DEVICE_CPSW_BASE + CPSW_REG_STAT_PORT_EN); /* Reset and enable the ALE */ - DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_ALE_CONTROL, - CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE | - CPSW_REG_VAL_ALE_CTL_BYPASS); + writel(CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE | + CPSW_REG_VAL_ALE_CTL_BYPASS, + DEVICE_CPSW_BASE + CPSW_REG_ALE_CONTROL); /* All ports put into forward mode */ for (i = 0; i < DEVICE_CPSW_NUM_PORTS; i++) - DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_ALE_PORTCTL(i), - CPSW_REG_VAL_PORTCTL_FORWARD_MODE); + writel(CPSW_REG_VAL_PORTCTL_FORWARD_MODE, + DEVICE_CPSW_BASE + CPSW_REG_ALE_PORTCTL(i)); return 0; } @@ -398,15 +381,15 @@ int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num) if (num_bytes < EMAC_MIN_ETHERNET_PKT_SIZE) num_bytes = EMAC_MIN_ETHERNET_PKT_SIZE; - return netcp_send(buffer, num_bytes, (slave_port_num) << 16); + return ksnav_send(&netcp_pktdma, buffer, + num_bytes, (slave_port_num) << 16); } /* Eth device open */ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis) { - u_int32_t clkdiv; - int link; struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv; + struct phy_device *phy_dev = eth_priv->phy_dev; debug("+ emac_open\n"); @@ -415,15 +398,10 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis) sys_has_mdio = (eth_priv->sgmii_link_type == SGMII_LINK_MAC_PHY) ? 1 : 0; - psc_enable_module(KS2_LPSC_PA); - psc_enable_module(KS2_LPSC_CPGMAC); - - sgmii_serdes_setup_156p25mhz(); - if (sys_has_mdio) - keystone2_eth_mdio_enable(); + keystone2_mdio_reset(mdio_bus); - keystone_sgmii_config(eth_priv->slave_port - 1, + keystone_sgmii_config(phy_dev, eth_priv->slave_port - 1, eth_priv->sgmii_link_type); udelay(10000); @@ -436,7 +414,7 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis) printf("ERROR: qm_init()\n"); return -1; } - if (netcp_init(&net_rx_buffs)) { + if (ksnav_init(&netcp_pktdma, &net_rx_buffs)) { qm_close(); printf("ERROR: netcp_init()\n"); return -1; @@ -450,18 +428,11 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis) hw_config_streaming_switch(); if (sys_has_mdio) { - /* Init MDIO & get link state */ - clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1; - writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE | - MDIO_CONTROL_FAULT, &adap_mdio->control) - ; - - /* We need to wait for MDIO to start */ - udelay(1000); - - link = keystone_get_link_status(dev); - if (link == 0) { - netcp_close(); + keystone2_mdio_reset(mdio_bus); + + phy_startup(phy_dev); + if (phy_dev->link == 0) { + ksnav_close(&netcp_pktdma); qm_close(); return -1; } @@ -481,6 +452,9 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis) /* Eth device close */ void keystone2_eth_close(struct eth_device *dev) { + struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv; + struct phy_device *phy_dev = eth_priv->phy_dev; + debug("+ emac_close\n"); if (!emac_open) @@ -488,16 +462,15 @@ void keystone2_eth_close(struct eth_device *dev) ethss_stop(); - netcp_close(); + ksnav_close(&netcp_pktdma); qm_close(); + phy_shutdown(phy_dev); emac_open = 0; debug("- emac_close\n"); } -static int tx_send_loop; - /* * This function sends a single packet on the network and returns * positive number (number of bytes transmitted) or negative for error @@ -507,22 +480,15 @@ static int keystone2_eth_send_packet(struct eth_device *dev, { int ret_status = -1; struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv; + struct phy_device *phy_dev = eth_priv->phy_dev; - tx_send_loop = 0; - - if (keystone_get_link_status(dev) == 0) + genphy_update_link(phy_dev); + if (phy_dev->link == 0) return -1; - emac_gigabit_enable(dev); - if (cpmac_drv_send((u32 *)packet, length, eth_priv->slave_port) != 0) return ret_status; - if (keystone_get_link_status(dev) == 0) - return -1; - - emac_gigabit_enable(dev); - return length; } @@ -535,13 +501,13 @@ static int keystone2_eth_rcv_packet(struct eth_device *dev) int pkt_size; u32 *pkt; - hd = netcp_recv(&pkt, &pkt_size); + hd = ksnav_recv(&netcp_pktdma, &pkt, &pkt_size); if (hd == NULL) return 0; - NetReceive((uchar *)pkt, pkt_size); + net_process_received_packet((uchar *)pkt, pkt_size); - netcp_release_rxhd(hd); + ksnav_release_rxhd(&netcp_pktdma, hd); return pkt_size; } @@ -551,7 +517,9 @@ static int keystone2_eth_rcv_packet(struct eth_device *dev) */ int keystone2_emac_initialize(struct eth_priv_t *eth_priv) { + int res; struct eth_device *dev; + struct phy_device *phy_dev; dev = malloc(sizeof(struct eth_device)); if (dev == NULL) @@ -572,145 +540,57 @@ int keystone2_emac_initialize(struct eth_priv_t *eth_priv) eth_register(dev); - return 0; -} - -void sgmii_serdes_setup_156p25mhz(void) -{ - unsigned int cnt; - - /* - * configure Serializer/Deserializer (SerDes) hardware. SerDes IP - * hardware vendor published only register addresses and their values - * to be used for configuring SerDes. So had to use hardcoded values - * below. - */ - clrsetbits_le32(0x0232a000, 0xffff0000, 0x00800000); - clrsetbits_le32(0x0232a014, 0x0000ffff, 0x00008282); - clrsetbits_le32(0x0232a060, 0x00ffffff, 0x00142438); - clrsetbits_le32(0x0232a064, 0x00ffff00, 0x00c3c700); - clrsetbits_le32(0x0232a078, 0x0000ff00, 0x0000c000); - - clrsetbits_le32(0x0232a204, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a208, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a20c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a210, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a214, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a218, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a2ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a22c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a280, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a284, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a404, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a408, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a40c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a410, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a414, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a418, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a4ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a42c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a480, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a484, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a604, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a608, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a60c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a610, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a614, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a618, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a6ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a62c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a680, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a684, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a804, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a808, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a80c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a810, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a814, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a818, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a8ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a82c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a880, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a884, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232aa00, 0x0000ff00, 0x00000800); - clrsetbits_le32(0x0232aa08, 0xffff0000, 0x38a20000); - clrsetbits_le32(0x0232aa30, 0x00ffff00, 0x008a8a00); - clrsetbits_le32(0x0232aa84, 0x0000ff00, 0x00000600); - clrsetbits_le32(0x0232aa94, 0xff000000, 0x10000000); - clrsetbits_le32(0x0232aaa0, 0xff000000, 0x81000000); - clrsetbits_le32(0x0232aabc, 0xff000000, 0xff000000); - clrsetbits_le32(0x0232aac0, 0x000000ff, 0x0000008b); - clrsetbits_le32(0x0232ab08, 0xffff0000, 0x583f0000); - clrsetbits_le32(0x0232ab0c, 0x000000ff, 0x0000004e); - clrsetbits_le32(0x0232a000, 0x000000ff, 0x00000003); - clrsetbits_le32(0x0232aa00, 0x000000ff, 0x0000005f); - - clrsetbits_le32(0x0232aa48, 0x00ffff00, 0x00fd8c00); - clrsetbits_le32(0x0232aa54, 0x00ffffff, 0x002fec72); - clrsetbits_le32(0x0232aa58, 0xffffff00, 0x00f92100); - clrsetbits_le32(0x0232aa5c, 0xffffffff, 0x00040060); - clrsetbits_le32(0x0232aa60, 0xffffffff, 0x00008000); - clrsetbits_le32(0x0232aa64, 0xffffffff, 0x0c581220); - clrsetbits_le32(0x0232aa68, 0xffffffff, 0xe13b0602); - clrsetbits_le32(0x0232aa6c, 0xffffffff, 0xb8074cc1); - clrsetbits_le32(0x0232aa70, 0xffffffff, 0x3f02e989); - clrsetbits_le32(0x0232aa74, 0x000000ff, 0x00000001); - clrsetbits_le32(0x0232ab20, 0x00ff0000, 0x00370000); - clrsetbits_le32(0x0232ab1c, 0xff000000, 0x37000000); - clrsetbits_le32(0x0232ab20, 0x000000ff, 0x0000005d); - - /*Bring SerDes out of Reset if SerDes is Shutdown & is in Reset Mode*/ - clrbits_le32(0x0232a010, 1 << 28); - - /* Enable TX and RX via the LANExCTL_STS 0x0000 + x*4 */ - clrbits_le32(0x0232a228, 1 << 29); - writel(0xF800F8C0, 0x0232bfe0); - clrbits_le32(0x0232a428, 1 << 29); - writel(0xF800F8C0, 0x0232bfe4); - clrbits_le32(0x0232a628, 1 << 29); - writel(0xF800F8C0, 0x0232bfe8); - clrbits_le32(0x0232a828, 1 << 29); - writel(0xF800F8C0, 0x0232bfec); - - /*Enable pll via the pll_ctrl 0x0014*/ - writel(0xe0000000, 0x0232bff4) - ; - - /*Waiting for SGMII Serdes PLL lock.*/ - for (cnt = 10000; cnt > 0 && ((readl(0x02090114) & 0x10) == 0); cnt--) - ; - - for (cnt = 10000; cnt > 0 && ((readl(0x02090214) & 0x10) == 0); cnt--) - ; + /* Register MDIO bus if it's not registered yet */ + if (!mdio_bus) { + mdio_bus = mdio_alloc(); + mdio_bus->read = keystone2_mdio_read; + mdio_bus->write = keystone2_mdio_write; + mdio_bus->reset = keystone2_mdio_reset; + mdio_bus->priv = (void *)EMAC_MDIO_BASE_ADDR; + sprintf(mdio_bus->name, "ethernet-mdio"); + + res = mdio_register(mdio_bus); + if (res) + return res; + } - for (cnt = 10000; cnt > 0 && ((readl(0x02090414) & 0x10) == 0); cnt--) - ; + keystone2_net_serdes_setup(); - for (cnt = 10000; cnt > 0 && ((readl(0x02090514) & 0x10) == 0); cnt--) - ; + /* Create phy device and bind it with driver */ +#ifdef CONFIG_KSNET_MDIO_PHY_CONFIG_ENABLE + phy_dev = phy_connect(mdio_bus, eth_priv->phy_addr, + dev, PHY_INTERFACE_MODE_SGMII); + phy_config(phy_dev); +#else + phy_dev = phy_find_by_mask(mdio_bus, 1 << eth_priv->phy_addr, + PHY_INTERFACE_MODE_SGMII); + phy_dev->dev = dev; +#endif + eth_priv->phy_dev = phy_dev; - udelay(45000); + return 0; } -void sgmii_serdes_shutdown(void) +struct ks2_serdes ks2_serdes_sgmii_156p25mhz = { + .clk = SERDES_CLOCK_156P25M, + .rate = SERDES_RATE_5G, + .rate_mode = SERDES_QUARTER_RATE, + .intf = SERDES_PHY_SGMII, + .loopback = 0, +}; + +static void keystone2_net_serdes_setup(void) { - /* - * shutdown SerDes hardware. SerDes hardware vendor published only - * register addresses and their values. So had to use hardcoded - * values below. - */ - clrbits_le32(0x0232bfe0, 3 << 29 | 3 << 13); - setbits_le32(0x02320228, 1 << 29); - clrbits_le32(0x0232bfe4, 3 << 29 | 3 << 13); - setbits_le32(0x02320428, 1 << 29); - clrbits_le32(0x0232bfe8, 3 << 29 | 3 << 13); - setbits_le32(0x02320628, 1 << 29); - clrbits_le32(0x0232bfec, 3 << 29 | 3 << 13); - setbits_le32(0x02320828, 1 << 29); - - clrbits_le32(0x02320034, 3 << 29); - setbits_le32(0x02320010, 1 << 28); + ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII_BASE, + &ks2_serdes_sgmii_156p25mhz, + CONFIG_KSNET_SERDES_LANES_PER_SGMII); + +#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L) + ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII2_BASE, + &ks2_serdes_sgmii_156p25mhz, + CONFIG_KSNET_SERDES_LANES_PER_SGMII); +#endif + + /* wait till setup */ + udelay(5000); }