--- /dev/null
+/*
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/fsl_serdes.h>
+#include <hwconfig.h>
+#include <fsl_mdio.h>
+#include <malloc.h>
+#include <fm_eth.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <fsl-mc/ldpaa_wriop.h>
+
+#include "../common/qixis.h"
+
+#include "ls1088a_qixis.h"
+
+#define MC_BOOT_ENV_VAR "mcinitcmd"
+
+#ifdef CONFIG_FSL_MC_ENET
+
+#define SFP_TX 0
+
+ /* - In LS1088A A there are only 16 SERDES lanes, spread across 2 SERDES banks.
+ * Bank 1 -> Lanes A, B, C, D,
+ * Bank 2 -> Lanes A,B, C, D,
+ */
+
+ /* Mapping of 8 SERDES lanes to LS1088A QDS board slots. A value of '0' here
+ * means that the mapping must be determined dynamically, or that the lane
+ * maps to something other than a board slot.
+ */
+
+static u8 lane_to_slot_fsm1[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
+ * housed.
+ */
+
+static int xqsgii_riser_phy_addr[] = {
+ XQSGMII_CARD_PHY1_PORT0_ADDR,
+ XQSGMII_CARD_PHY2_PORT0_ADDR,
+ XQSGMII_CARD_PHY3_PORT0_ADDR,
+ XQSGMII_CARD_PHY4_PORT0_ADDR,
+ XQSGMII_CARD_PHY3_PORT2_ADDR,
+ XQSGMII_CARD_PHY1_PORT2_ADDR,
+ XQSGMII_CARD_PHY4_PORT2_ADDR,
+ XQSGMII_CARD_PHY2_PORT2_ADDR,
+};
+
+static int sgmii_riser_phy_addr[] = {
+ SGMII_CARD_PORT1_PHY_ADDR,
+ SGMII_CARD_PORT2_PHY_ADDR,
+ SGMII_CARD_PORT3_PHY_ADDR,
+ SGMII_CARD_PORT4_PHY_ADDR,
+};
+
+/* Slot2 does not have EMI connections */
+#define EMI_NONE 0xFF
+#define EMI1_RGMII1 0
+#define EMI1_RGMII2 1
+#define EMI1_SLOT1 2
+
+static const char * const mdio_names[] = {
+ "LS1088A_QDS_MDIO0",
+ "LS1088A_QDS_MDIO1",
+ "LS1088A_QDS_MDIO2",
+ DEFAULT_WRIOP_MDIO2_NAME,
+};
+
+struct ls1088a_qds_mdio {
+ u8 muxval;
+ struct mii_dev *realbus;
+};
+
+static void sgmii_configure_repeater(int dpmac)
+{
+ struct mii_dev *bus;
+ uint8_t a = 0xf;
+ int i, j, ret;
+ unsigned short value;
+ const char *dev = "LS1088A_QDS_MDIO2";
+ int i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b};
+ int i2c_phy_addr = 0;
+ int phy_addr = 0;
+
+ uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
+ uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
+ uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
+ uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};
+
+ /* Set I2c to Slot 1 */
+ i2c_write(0x77, 0, 0, &a, 1);
+
+ switch (dpmac) {
+ case 1:
+ i2c_phy_addr = i2c_addr[1];
+ phy_addr = 4;
+ break;
+ case 2:
+ i2c_phy_addr = i2c_addr[0];
+ phy_addr = 0;
+ break;
+ case 3:
+ i2c_phy_addr = i2c_addr[3];
+ phy_addr = 0xc;
+ break;
+ case 7:
+ i2c_phy_addr = i2c_addr[2];
+ phy_addr = 8;
+ break;
+ }
+
+ /* Check the PHY status */
+ ret = miiphy_set_current_dev(dev);
+ if (ret > 0)
+ goto error;
+
+ bus = mdio_get_current_dev();
+ debug("Reading from bus %s\n", bus->name);
+
+ ret = miiphy_write(dev, phy_addr, 0x1f, 3);
+ if (ret > 0)
+ goto error;
+
+ mdelay(10);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ if (ret > 0)
+ goto error;
+
+ mdelay(10);
+
+ if ((value & 0xfff) == 0x401) {
+ miiphy_write(dev, phy_addr, 0x1f, 0);
+ printf("DPMAC %d:PHY is ..... Configured\n", dpmac);
+ return;
+ }
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ a = 0x18;
+ i2c_write(i2c_phy_addr, 6, 1, &a, 1);
+ a = 0x38;
+ i2c_write(i2c_phy_addr, 4, 1, &a, 1);
+ a = 0x4;
+ i2c_write(i2c_phy_addr, 8, 1, &a, 1);
+
+ i2c_write(i2c_phy_addr, 0xf, 1,
+ &ch_a_eq[i], 1);
+ i2c_write(i2c_phy_addr, 0x11, 1,
+ &ch_a_ctl2[j], 1);
+
+ i2c_write(i2c_phy_addr, 0x16, 1,
+ &ch_b_eq[i], 1);
+ i2c_write(i2c_phy_addr, 0x18, 1,
+ &ch_b_ctl2[j], 1);
+
+ a = 0x14;
+ i2c_write(i2c_phy_addr, 0x23, 1, &a, 1);
+ a = 0xb5;
+ i2c_write(i2c_phy_addr, 0x2d, 1, &a, 1);
+ a = 0x20;
+ i2c_write(i2c_phy_addr, 4, 1, &a, 1);
+ mdelay(100);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ if (ret > 0)
+ goto error;
+
+ mdelay(100);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ if (ret > 0)
+ goto error;
+
+ if ((value & 0xfff) == 0x401) {
+ printf("DPMAC %d :PHY is configured ",
+ dpmac);
+ printf("after setting repeater 0x%x\n",
+ value);
+ i = 5;
+ j = 5;
+ } else {
+ printf("DPMAC %d :PHY is failed to ",
+ dpmac);
+ printf("configure the repeater 0x%x\n", value);
+ }
+ }
+ }
+ miiphy_write(dev, phy_addr, 0x1f, 0);
+error:
+ if (ret)
+ printf("DPMAC %d ..... FAILED to configure PHY\n", dpmac);
+ return;
+}
+
+static void qsgmii_configure_repeater(int dpmac)
+{
+ uint8_t a = 0xf;
+ int i, j;
+ int i2c_phy_addr = 0;
+ int phy_addr = 0;
+ int i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b};
+
+ uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
+ uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
+ uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
+ uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};
+
+ const char *dev = mdio_names[EMI1_SLOT1];
+ int ret = 0;
+ unsigned short value;
+
+ /* Set I2c to Slot 1 */
+ i2c_write(0x77, 0, 0, &a, 1);
+
+ switch (dpmac) {
+ case 7:
+ case 8:
+ case 9:
+ case 10:
+ i2c_phy_addr = i2c_addr[2];
+ phy_addr = 8;
+ break;
+
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ i2c_phy_addr = i2c_addr[3];
+ phy_addr = 0xc;
+ break;
+ }
+
+ /* Check the PHY status */
+ ret = miiphy_set_current_dev(dev);
+ ret = miiphy_write(dev, phy_addr, 0x1f, 3);
+ mdelay(10);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ mdelay(10);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ mdelay(10);
+ if ((value & 0xf) == 0xf) {
+ miiphy_write(dev, phy_addr, 0x1f, 0);
+ printf("DPMAC %d :PHY is ..... Configured\n", dpmac);
+ return;
+ }
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ a = 0x18;
+ i2c_write(i2c_phy_addr, 6, 1, &a, 1);
+ a = 0x38;
+ i2c_write(i2c_phy_addr, 4, 1, &a, 1);
+ a = 0x4;
+ i2c_write(i2c_phy_addr, 8, 1, &a, 1);
+
+ i2c_write(i2c_phy_addr, 0xf, 1, &ch_a_eq[i], 1);
+ i2c_write(i2c_phy_addr, 0x11, 1, &ch_a_ctl2[j], 1);
+
+ i2c_write(i2c_phy_addr, 0x16, 1, &ch_b_eq[i], 1);
+ i2c_write(i2c_phy_addr, 0x18, 1, &ch_b_ctl2[j], 1);
+
+ a = 0x14;
+ i2c_write(i2c_phy_addr, 0x23, 1, &a, 1);
+ a = 0xb5;
+ i2c_write(i2c_phy_addr, 0x2d, 1, &a, 1);
+ a = 0x20;
+ i2c_write(i2c_phy_addr, 4, 1, &a, 1);
+ mdelay(100);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ if (ret > 0)
+ goto error;
+ mdelay(1);
+ ret = miiphy_read(dev, phy_addr, 0x11, &value);
+ if (ret > 0)
+ goto error;
+ mdelay(10);
+ if ((value & 0xf) == 0xf) {
+ miiphy_write(dev, phy_addr, 0x1f, 0);
+ printf("DPMAC %d :PHY is ..... Configured\n",
+ dpmac);
+ return;
+ }
+ }
+ }
+error:
+ printf("DPMAC %d :PHY ..... FAILED to configure PHY\n", dpmac);
+ return;
+}
+
+static const char *ls1088a_qds_mdio_name_for_muxval(u8 muxval)
+{
+ return mdio_names[muxval];
+}
+
+struct mii_dev *mii_dev_for_muxval(u8 muxval)
+{
+ struct mii_dev *bus;
+ const char *name = ls1088a_qds_mdio_name_for_muxval(muxval);
+
+ if (!name) {
+ printf("No bus for muxval %x\n", muxval);
+ return NULL;
+ }
+
+ bus = miiphy_get_dev_by_name(name);
+
+ if (!bus) {
+ printf("No bus by name %s\n", name);
+ return NULL;
+ }
+
+ return bus;
+}
+
+static void ls1088a_qds_enable_SFP_TX(u8 muxval)
+{
+ u8 brdcfg9;
+
+ brdcfg9 = QIXIS_READ(brdcfg[9]);
+ brdcfg9 &= ~BRDCFG9_SFPTX_MASK;
+ brdcfg9 |= (muxval << BRDCFG9_SFPTX_SHIFT);
+ QIXIS_WRITE(brdcfg[9], brdcfg9);
+}
+
+static void ls1088a_qds_mux_mdio(u8 muxval)
+{
+ u8 brdcfg4;
+
+ if (muxval <= 5) {
+ brdcfg4 = QIXIS_READ(brdcfg[4]);
+ brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
+ brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
+ QIXIS_WRITE(brdcfg[4], brdcfg4);
+ }
+}
+
+static int ls1088a_qds_mdio_read(struct mii_dev *bus, int addr,
+ int devad, int regnum)
+{
+ struct ls1088a_qds_mdio *priv = bus->priv;
+
+ ls1088a_qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int ls1088a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
+ int regnum, u16 value)
+{
+ struct ls1088a_qds_mdio *priv = bus->priv;
+
+ ls1088a_qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
+}
+
+static int ls1088a_qds_mdio_reset(struct mii_dev *bus)
+{
+ struct ls1088a_qds_mdio *priv = bus->priv;
+
+ return priv->realbus->reset(priv->realbus);
+}
+
+static int ls1088a_qds_mdio_init(char *realbusname, u8 muxval)
+{
+ struct ls1088a_qds_mdio *pmdio;
+ struct mii_dev *bus = mdio_alloc();
+
+ if (!bus) {
+ printf("Failed to allocate ls1088a_qds MDIO bus\n");
+ return -1;
+ }
+
+ pmdio = malloc(sizeof(*pmdio));
+ if (!pmdio) {
+ printf("Failed to allocate ls1088a_qds private data\n");
+ free(bus);
+ return -1;
+ }
+
+ bus->read = ls1088a_qds_mdio_read;
+ bus->write = ls1088a_qds_mdio_write;
+ bus->reset = ls1088a_qds_mdio_reset;
+ sprintf(bus->name, ls1088a_qds_mdio_name_for_muxval(muxval));
+
+ pmdio->realbus = miiphy_get_dev_by_name(realbusname);
+
+ if (!pmdio->realbus) {
+ printf("No bus with name %s\n", realbusname);
+ free(bus);
+ free(pmdio);
+ return -1;
+ }
+
+ pmdio->muxval = muxval;
+ bus->priv = pmdio;
+
+ return mdio_register(bus);
+}
+
+/*
+ * Initialize the dpmac_info array.
+ *
+ */
+static void initialize_dpmac_to_slot(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ u32 serdes1_prtcl, cfg;
+
+ cfg = in_le32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]) &
+ FSL_CHASSIS3_SRDS1_PRTCL_MASK;
+ cfg >>= FSL_CHASSIS3_SRDS1_PRTCL_SHIFT;
+ serdes1_prtcl = serdes_get_number(FSL_SRDS_1, cfg);
+
+ switch (serdes1_prtcl) {
+ case 0x12:
+ printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
+ serdes1_prtcl);
+ lane_to_slot_fsm1[0] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[1] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[2] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[3] = EMI1_SLOT1 - 1;
+ break;
+ case 0x15:
+ case 0x1D:
+ printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
+ serdes1_prtcl);
+ lane_to_slot_fsm1[0] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[1] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[2] = EMI_NONE;
+ lane_to_slot_fsm1[3] = EMI_NONE;
+ break;
+ case 0x1E:
+ printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
+ serdes1_prtcl);
+ lane_to_slot_fsm1[0] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[1] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[2] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[3] = EMI_NONE;
+ break;
+ case 0x3A:
+ printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
+ serdes1_prtcl);
+ lane_to_slot_fsm1[0] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[1] = EMI_NONE;
+ lane_to_slot_fsm1[2] = EMI1_SLOT1 - 1;
+ lane_to_slot_fsm1[3] = EMI1_SLOT1 - 1;
+ break;
+
+ default:
+ printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
+ __func__, serdes1_prtcl);
+ break;
+ }
+}
+
+void ls1088a_handle_phy_interface_sgmii(int dpmac_id)
+{
+ struct mii_dev *bus;
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ u32 serdes1_prtcl, cfg;
+
+ cfg = in_le32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]) &
+ FSL_CHASSIS3_SRDS1_PRTCL_MASK;
+ cfg >>= FSL_CHASSIS3_SRDS1_PRTCL_SHIFT;
+ serdes1_prtcl = serdes_get_number(FSL_SRDS_1, cfg);
+
+ int *riser_phy_addr;
+ char *env_hwconfig = env_get("hwconfig");
+
+ if (hwconfig_f("xqsgmii", env_hwconfig))
+ riser_phy_addr = &xqsgii_riser_phy_addr[0];
+ else
+ riser_phy_addr = &sgmii_riser_phy_addr[0];
+
+ switch (serdes1_prtcl) {
+ case 0x12:
+ case 0x15:
+ case 0x1E:
+ case 0x3A:
+ switch (dpmac_id) {
+ case 1:
+ wriop_set_phy_address(dpmac_id, riser_phy_addr[1]);
+ break;
+ case 2:
+ wriop_set_phy_address(dpmac_id, riser_phy_addr[0]);
+ break;
+ case 3:
+ wriop_set_phy_address(dpmac_id, riser_phy_addr[3]);
+ break;
+ case 7:
+ wriop_set_phy_address(dpmac_id, riser_phy_addr[2]);
+ break;
+ default:
+ printf("WRIOP: Wrong DPMAC%d set to SGMII", dpmac_id);
+ break;
+ }
+ break;
+ default:
+ printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
+ __func__, serdes1_prtcl);
+ return;
+ }
+ dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
+ bus = mii_dev_for_muxval(EMI1_SLOT1);
+ wriop_set_mdio(dpmac_id, bus);
+}
+
+void ls1088a_handle_phy_interface_qsgmii(int dpmac_id)
+{
+ struct mii_dev *bus;
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ u32 serdes1_prtcl, cfg;
+
+ cfg = in_le32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]) &
+ FSL_CHASSIS3_SRDS1_PRTCL_MASK;
+ cfg >>= FSL_CHASSIS3_SRDS1_PRTCL_SHIFT;
+ serdes1_prtcl = serdes_get_number(FSL_SRDS_1, cfg);
+
+ switch (serdes1_prtcl) {
+ case 0x1D:
+ case 0x1E:
+ switch (dpmac_id) {
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ wriop_set_phy_address(dpmac_id, dpmac_id + 9);
+ break;
+ case 7:
+ case 8:
+ case 9:
+ case 10:
+ wriop_set_phy_address(dpmac_id, dpmac_id + 1);
+ break;
+ }
+
+ dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
+ bus = mii_dev_for_muxval(EMI1_SLOT1);
+ wriop_set_mdio(dpmac_id, bus);
+ break;
+ default:
+ printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
+ serdes1_prtcl);
+ break;
+ }
+}
+
+void ls1088a_handle_phy_interface_xsgmii(int i)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ u32 serdes1_prtcl, cfg;
+
+ cfg = in_le32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]) &
+ FSL_CHASSIS3_SRDS1_PRTCL_MASK;
+ cfg >>= FSL_CHASSIS3_SRDS1_PRTCL_SHIFT;
+ serdes1_prtcl = serdes_get_number(FSL_SRDS_1, cfg);
+
+ switch (serdes1_prtcl) {
+ case 0x15:
+ case 0x1D:
+ case 0x1E:
+ wriop_set_phy_address(i, i + 26);
+ ls1088a_qds_enable_SFP_TX(SFP_TX);
+ break;
+ default:
+ printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
+ serdes1_prtcl);
+ break;
+ }
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+ int error = 0, i;
+ char *mc_boot_env_var;
+#ifdef CONFIG_FSL_MC_ENET
+ struct memac_mdio_info *memac_mdio0_info;
+ char *env_hwconfig = env_get("hwconfig");
+
+ initialize_dpmac_to_slot();
+
+ memac_mdio0_info = (struct memac_mdio_info *)malloc(
+ sizeof(struct memac_mdio_info));
+ memac_mdio0_info->regs =
+ (struct memac_mdio_controller *)
+ CONFIG_SYS_FSL_WRIOP1_MDIO1;
+ memac_mdio0_info->name = DEFAULT_WRIOP_MDIO1_NAME;
+
+ /* Register the real MDIO1 bus */
+ fm_memac_mdio_init(bis, memac_mdio0_info);
+
+ /* Register the muxing front-ends to the MDIO buses */
+ ls1088a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_RGMII1);
+ ls1088a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_RGMII2);
+ ls1088a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT1);
+
+ for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
+ switch (wriop_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_QSGMII:
+ ls1088a_handle_phy_interface_qsgmii(i);
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ ls1088a_handle_phy_interface_sgmii(i);
+ break;
+ case PHY_INTERFACE_MODE_XGMII:
+ ls1088a_handle_phy_interface_xsgmii(i);
+ break;
+ default:
+ break;
+
+ if (i == 16)
+ i = NUM_WRIOP_PORTS;
+ }
+ }
+
+ mc_boot_env_var = env_get(MC_BOOT_ENV_VAR);
+ if (mc_boot_env_var)
+ run_command_list(mc_boot_env_var, -1, 0);
+ error = cpu_eth_init(bis);
+
+ if (hwconfig_f("xqsgmii", env_hwconfig)) {
+ for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
+ switch (wriop_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_QSGMII:
+ qsgmii_configure_repeater(i);
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ sgmii_configure_repeater(i);
+ break;
+ default:
+ break;
+ }
+
+ if (i == 16)
+ i = NUM_WRIOP_PORTS;
+ }
+ }
+#endif
+ error = pci_eth_init(bis);
+ return error;
+}
projects / oweals / u-boot.git / blobdiff