Adopt keystone_net driver to adopt device driver model
Signed-off-by: Mugunthan V N mugunthanvnm@ti.com Reviewed-by: Tom Rini trini@konsulko.com --- drivers/net/keystone_net.c | 473 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 433 insertions(+), 40 deletions(-)
diff --git a/drivers/net/keystone_net.c b/drivers/net/keystone_net.c index 24ca52e..b256453 100644 --- a/drivers/net/keystone_net.c +++ b/drivers/net/keystone_net.c @@ -10,6 +10,8 @@ #include <command.h> #include <console.h>
+#include <dm.h> + #include <net.h> #include <phy.h> #include <errno.h> @@ -18,10 +20,15 @@ #include <asm/ti-common/keystone_nav.h> #include <asm/ti-common/keystone_net.h> #include <asm/ti-common/keystone_serdes.h> +#include <asm/arch/psc_defs.h> + +DECLARE_GLOBAL_DATA_PTR;
+#ifndef CONFIG_DM_ETH unsigned int emac_open; static struct mii_dev *mdio_bus; static unsigned int sys_has_mdio = 1; +#endif
#ifdef KEYSTONE2_EMAC_GIG_ENABLE #define emac_gigabit_enable(x) keystone2_eth_gigabit_enable(x) @@ -36,40 +43,74 @@ static unsigned int sys_has_mdio = 1;
static u8 rx_buffs[RX_BUFF_NUMS * RX_BUFF_LEN] __aligned(16);
+#ifndef CONFIG_DM_ETH struct rx_buff_desc net_rx_buffs = { .buff_ptr = rx_buffs, .num_buffs = RX_BUFF_NUMS, .buff_len = RX_BUFF_LEN, .rx_flow = 22, }; - -#ifndef CONFIG_SOC_K2G -static void keystone2_net_serdes_setup(void); #endif
-int keystone2_eth_read_mac_addr(struct eth_device *dev) -{ - struct eth_priv_t *eth_priv; - u32 maca = 0; - u32 macb = 0; +#ifdef CONFIG_DM_ETH
- eth_priv = (struct eth_priv_t *)dev->priv; +enum link_type { + LINK_TYPE_MAC_TO_MAC_AUTO = 0, + LINK_TYPE_MAC_TO_PHY_MODE = 1, + LINK_TYPE_MAC_TO_MAC_FORCED_MODE = 2, + LINK_TYPE_MAC_TO_FIBRE_MODE = 3, + LINK_TYPE_MAC_TO_PHY_NO_MDIO_MODE = 4, + LINK_TYPE_10G_MAC_TO_PHY_MODE = 10, + LINK_TYPE_10G_MAC_TO_MAC_FORCED_MODE = 11, +};
- /* Read the e-fuse mac address */ - if (eth_priv->slave_port == 1) { - maca = __raw_readl(MAC_ID_BASE_ADDR); - macb = __raw_readl(MAC_ID_BASE_ADDR + 4); - } +#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \ + ((mac)[2] << 16) | ((mac)[3] << 24)) +#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8))
- dev->enetaddr[0] = (macb >> 8) & 0xff; - dev->enetaddr[1] = (macb >> 0) & 0xff; - dev->enetaddr[2] = (maca >> 24) & 0xff; - dev->enetaddr[3] = (maca >> 16) & 0xff; - dev->enetaddr[4] = (maca >> 8) & 0xff; - dev->enetaddr[5] = (maca >> 0) & 0xff; +#ifdef CONFIG_KSNET_NETCP_V1_0
- return 0; -} +#define EMAC_EMACSW_BASE_OFS 0x90800 +#define EMAC_EMACSW_PORT_BASE_OFS (EMAC_EMACSW_BASE_OFS + 0x60) + +/* CPSW Switch slave registers */ +#define CPGMACSL_REG_SA_LO 0x10 +#define CPGMACSL_REG_SA_HI 0x14 + +#define DEVICE_EMACSW_BASE(base, x) ((base) + EMAC_EMACSW_PORT_BASE_OFS + \ + (x) * 0x30) + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define EMAC_EMACSW_PORT_BASE_OFS 0x222000 + +/* CPSW Switch slave registers */ +#define CPGMACSL_REG_SA_LO 0x308 +#define CPGMACSL_REG_SA_HI 0x30c + +#define DEVICE_EMACSW_BASE(base, x) ((base) + EMAC_EMACSW_PORT_BASE_OFS + \ + (x) * 0x1000) + +#endif + + +struct ks2_eth_priv { + struct udevice *dev; + struct phy_device *phydev; + struct mii_dev *mdio_bus; + int phy_addr; + phy_interface_t phy_if; + int sgmii_link_type; + void *mdio_base; + struct rx_buff_desc net_rx_buffs; + struct pktdma_cfg *netcp_pktdma; + void *hd; + int slave_port; + enum link_type link_type; + bool emac_open; + bool has_mdio; +}; +#endif
/* MDIO */
@@ -140,6 +181,7 @@ static int keystone2_mdio_write(struct mii_dev *bus, return 0; }
+#ifndef CONFIG_DM_ETH static void __attribute__((unused)) keystone2_eth_gigabit_enable(struct eth_device *dev) { @@ -163,6 +205,31 @@ static void __attribute__((unused)) EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE, DEVICE_EMACSL_BASE(eth_priv->slave_port - 1) + CPGMACSL_REG_CTL); } +#else +static void __attribute__((unused)) + keystone2_eth_gigabit_enable(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + u_int16_t data; + + if (priv->has_mdio) { + data = keystone2_mdio_read(priv->mdio_bus, priv->phy_addr, + MDIO_DEVAD_NONE, 0); + /* speed selection MSB */ + if (!(data & (1 << 6))) + return; + } + + /* + * Check if link detected is giga-bit + * If Gigabit mode detected, enable gigbit in MAC + */ + writel(readl(DEVICE_EMACSL_BASE(priv->slave_port - 1) + + CPGMACSL_REG_CTL) | + EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE, + DEVICE_EMACSL_BASE(priv->slave_port - 1) + CPGMACSL_REG_CTL); +} +#endif
#ifdef CONFIG_SOC_K2G int keystone_rgmii_config(struct phy_device *phy_dev) @@ -401,6 +468,58 @@ int ethss_stop(void) return 0; }
+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, +}; + +#ifndef CONFIG_SOC_K2G +static void keystone2_net_serdes_setup(void) +{ + 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); +} +#endif + +#ifndef CONFIG_DM_ETH + +int keystone2_eth_read_mac_addr(struct eth_device *dev) +{ + struct eth_priv_t *eth_priv; + u32 maca = 0; + u32 macb = 0; + + eth_priv = (struct eth_priv_t *)dev->priv; + + /* Read the e-fuse mac address */ + if (eth_priv->slave_port == 1) { + maca = __raw_readl(MAC_ID_BASE_ADDR); + macb = __raw_readl(MAC_ID_BASE_ADDR + 4); + } + + dev->enetaddr[0] = (macb >> 8) & 0xff; + dev->enetaddr[1] = (macb >> 0) & 0xff; + dev->enetaddr[2] = (maca >> 24) & 0xff; + dev->enetaddr[3] = (maca >> 16) & 0xff; + dev->enetaddr[4] = (maca >> 8) & 0xff; + dev->enetaddr[5] = (maca >> 0) & 0xff; + + return 0; +} + int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num) { if (num_bytes < EMAC_MIN_ETHERNET_PKT_SIZE) @@ -556,6 +675,7 @@ int keystone2_emac_initialize(struct eth_priv_t *eth_priv) int res; struct eth_device *dev; struct phy_device *phy_dev; + struct mdio_regs *adap_mdio = (struct mdio_regs *)EMAC_MDIO_BASE_ADDR;
dev = malloc(sizeof(struct eth_device)); if (dev == NULL) @@ -612,28 +732,301 @@ int keystone2_emac_initialize(struct eth_priv_t *eth_priv) return 0; }
-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, -}; +#else
-#ifndef CONFIG_SOC_K2G -static void keystone2_net_serdes_setup(void) +static int ks2_eth_start(struct udevice *dev) { - ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII_BASE, - &ks2_serdes_sgmii_156p25mhz, - CONFIG_KSNET_SERDES_LANES_PER_SGMII); + struct ks2_eth_priv *priv = dev_get_priv(dev);
-#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); +#ifdef CONFIG_SOC_K2G + keystone_rgmii_config(priv->phydev); +#else + keystone_sgmii_config(priv->phydev, priv->slave_port - 1, + priv->sgmii_link_type); #endif
- /* wait till setup */ - udelay(5000); + udelay(10000); + + /* On chip switch configuration */ + ethss_config(target_get_switch_ctl(), SWITCH_MAX_PKT_SIZE); + + qm_init(); + + if (ksnav_init(priv->netcp_pktdma, &priv->net_rx_buffs)) { + error("ksnav_init failed\n"); + goto err_knav_init; + } + + /* + * Streaming switch configuration. If not present this + * statement is defined to void in target.h. + * If present this is usually defined to a series of register writes + */ + hw_config_streaming_switch(); + + if (priv->has_mdio) { + phy_startup(priv->phydev); + if (priv->phydev->link == 0) { + error("phy startup failed\n"); + goto err_phy_start; + } + } + + emac_gigabit_enable(dev); + + ethss_start(); + + priv->emac_open = true; + + return 0; + +err_phy_start: + ksnav_close(priv->netcp_pktdma); +err_knav_init: + qm_close(); + + return -EFAULT; +} + +static int ks2_eth_send(struct udevice *dev, void *packet, int length) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + + genphy_update_link(priv->phydev); + if (priv->phydev->link == 0) + return -1; + + if (length < EMAC_MIN_ETHERNET_PKT_SIZE) + length = EMAC_MIN_ETHERNET_PKT_SIZE; + + return ksnav_send(priv->netcp_pktdma, (u32 *)packet, + length, (priv->slave_port) << 16); +} + +static int ks2_eth_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + int pkt_size; + u32 *pkt = NULL; + + priv->hd = ksnav_recv(priv->netcp_pktdma, &pkt, &pkt_size); + if (priv->hd == NULL) + return -EAGAIN; + + *packetp = (uchar *)pkt; + + return pkt_size; +} + +static int ks2_eth_free_pkt(struct udevice *dev, uchar *packet, + int length) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + + ksnav_release_rxhd(priv->netcp_pktdma, priv->hd); + + return 0; +} + +static void ks2_eth_stop(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + + if (!priv->emac_open) + return; + ethss_stop(); + + ksnav_close(priv->netcp_pktdma); + qm_close(); + phy_shutdown(priv->phydev); + priv->emac_open = false; +} + +int ks2_eth_read_rom_hwaddr(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + u32 maca = 0; + u32 macb = 0; + + /* Read the e-fuse mac address */ + if (priv->slave_port == 1) { + maca = __raw_readl(MAC_ID_BASE_ADDR); + macb = __raw_readl(MAC_ID_BASE_ADDR + 4); + } + + pdata->enetaddr[0] = (macb >> 8) & 0xff; + pdata->enetaddr[1] = (macb >> 0) & 0xff; + pdata->enetaddr[2] = (maca >> 24) & 0xff; + pdata->enetaddr[3] = (maca >> 16) & 0xff; + pdata->enetaddr[4] = (maca >> 8) & 0xff; + pdata->enetaddr[5] = (maca >> 0) & 0xff; + + return 0; +} + +int ks2_eth_write_hwaddr(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + + writel(mac_hi(pdata->enetaddr), + DEVICE_EMACSW_BASE(pdata->iobase, priv->slave_port - 1) + + CPGMACSL_REG_SA_HI); + writel(mac_lo(pdata->enetaddr), + DEVICE_EMACSW_BASE(pdata->iobase, priv->slave_port - 1) + + CPGMACSL_REG_SA_LO); + + return 0; +} + +static int ks2_eth_probe(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + struct mii_dev *mdio_bus; + int ret; + + priv->dev = dev; + + /* These clock enables has to be moved to common location */ + if (cpu_is_k2g()) + writel(KS2_ETHERNET_RGMII, KS2_ETHERNET_CFG); + + /* By default, select PA PLL clock as PA clock source */ +#ifndef CONFIG_SOC_K2G + if (psc_enable_module(KS2_LPSC_PA)) + return -EACCES; +#endif + if (psc_enable_module(KS2_LPSC_CPGMAC)) + return -EACCES; + if (psc_enable_module(KS2_LPSC_CRYPTO)) + return -EACCES; + + if (cpu_is_k2e() || cpu_is_k2l()) + pll_pa_clk_sel(); + + + priv->net_rx_buffs.buff_ptr = rx_buffs, + priv->net_rx_buffs.num_buffs = RX_BUFF_NUMS, + priv->net_rx_buffs.buff_len = RX_BUFF_LEN, + + /* Register MDIO bus */ + mdio_bus = mdio_alloc(); + if (!mdio_bus) { + error("MDIO alloc failed\n"); + return -ENOMEM; + } + priv->mdio_bus = mdio_bus; + mdio_bus->read = keystone2_mdio_read; + mdio_bus->write = keystone2_mdio_write; + mdio_bus->reset = keystone2_mdio_reset; + mdio_bus->priv = priv->mdio_base; + sprintf(mdio_bus->name, "ethernet-mdio"); + + ret = mdio_register(mdio_bus); + if (ret) { + error("MDIO bus register failed\n"); + return ret; + } + +#ifndef CONFIG_SOC_K2G + keystone2_net_serdes_setup(); +#endif + + priv->netcp_pktdma = &netcp_pktdma; + + priv->phydev = phy_connect(mdio_bus, priv->phy_addr, dev, priv->phy_if); + phy_config(priv->phydev); + + return 0; } + +int ks2_eth_remove(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + + free(priv->phydev); + mdio_unregister(priv->mdio_bus); + mdio_free(priv->mdio_bus); + + return 0; +} + +static const struct eth_ops ks2_eth_ops = { + .start = ks2_eth_start, + .send = ks2_eth_send, + .recv = ks2_eth_recv, + .free_pkt = ks2_eth_free_pkt, + .stop = ks2_eth_stop, + .read_rom_hwaddr = ks2_eth_read_rom_hwaddr, + .write_hwaddr = ks2_eth_write_hwaddr, +}; + + +static int ks2_eth_ofdata_to_platdata(struct udevice *dev) +{ + struct ks2_eth_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + const void *fdt = gd->fdt_blob; + int interfaces; + int interface_0; + int netcp_gbe_0; + int phy; + int mdio; + u32 dma_channel[6]; + + interfaces = fdt_subnode_offset(fdt, dev->of_offset, + "netcp-interfaces"); + interface_0 = fdt_subnode_offset(fdt, interfaces, "interface-0"); + + netcp_gbe_0 = fdtdec_lookup_phandle(fdt, interface_0, "netcp-gbe"); + priv->link_type = fdtdec_get_int(fdt, netcp_gbe_0, + "link-interface", -1); + priv->slave_port = fdtdec_get_int(fdt, netcp_gbe_0, "slave-port", -1); + /* U-Boot slave port number starts with 1 instead of 0 */ + priv->slave_port += 1; + + phy = fdtdec_lookup_phandle(fdt, netcp_gbe_0, "phy-handle"); + priv->phy_addr = fdtdec_get_int(fdt, phy, "reg", -1); + + mdio = fdt_parent_offset(fdt, phy); + if (mdio < 0) { + error("mdio dt not found\n"); + return -ENODEV; + } + priv->mdio_base = (void *)fdtdec_get_addr(fdt, mdio, "reg"); + + if (priv->link_type == LINK_TYPE_MAC_TO_PHY_MODE) { + priv->phy_if = PHY_INTERFACE_MODE_SGMII; + pdata->phy_interface = priv->phy_if; + priv->sgmii_link_type = SGMII_LINK_MAC_PHY; + priv->has_mdio = true; + } + pdata->iobase = dev_get_addr(dev); + + fdtdec_get_int_array(fdt, dev->of_offset, "ti,navigator-dmas", + dma_channel, 6); + priv->net_rx_buffs.rx_flow = dma_channel[1]; + + return 0; +} + +static const struct udevice_id ks2_eth_ids[] = { + { .compatible = "ti,netcp-1.0" }, + { } +}; + + +U_BOOT_DRIVER(eth_ks2) = { + .name = "eth_ks2", + .id = UCLASS_ETH, + .of_match = ks2_eth_ids, + .ofdata_to_platdata = ks2_eth_ofdata_to_platdata, + .probe = ks2_eth_probe, + .remove = ks2_eth_remove, + .ops = &ks2_eth_ops, + .priv_auto_alloc_size = sizeof(struct ks2_eth_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; #endif