--- /dev/null
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch-fsl-lsch3/immap_lsch3.h>
+#include <fsl_mdio.h>
+#include <malloc.h>
+#include <fm_eth.h>
+#include <fsl-mc/ldpaa_wriop.h>
+
+#include "../common/qixis.h"
+
+#include "ls2085aqds_qixis.h"
+
+
+#ifdef CONFIG_FSL_MC_ENET
+ /* - In LS2085A there are only 16 SERDES lanes, spread across 2 SERDES banks.
+ * Bank 1 -> Lanes A, B, C, D, E, F, G, H
+ * Bank 2 -> Lanes A,B, C, D, E, F, G, H
+ */
+
+ /* Mapping of 16 SERDES lanes to LS2085A 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_fsm2[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
+ * housed.
+ */
+static int 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 0xFFFFFFFF
+#define EMI1_SLOT1 0
+#define EMI1_SLOT2 1
+#define EMI1_SLOT3 2
+#define EMI1_SLOT4 3
+#define EMI1_SLOT5 4
+#define EMI1_SLOT6 5
+#define EMI2 6
+#define SFP_TX 1
+
+static const char * const mdio_names[] = {
+ "LS2085A_QDS_MDIO0",
+ "LS2085A_QDS_MDIO1",
+ "LS2085A_QDS_MDIO2",
+ "LS2085A_QDS_MDIO3",
+ "LS2085A_QDS_MDIO4",
+ "LS2085A_QDS_MDIO5",
+ DEFAULT_WRIOP_MDIO2_NAME,
+};
+
+struct ls2085a_qds_mdio {
+ u8 muxval;
+ struct mii_dev *realbus;
+};
+
+static const char *ls2085a_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 = ls2085a_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 ls2085a_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 ls2085a_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 ls2085a_qds_mdio_read(struct mii_dev *bus, int addr,
+ int devad, int regnum)
+{
+ struct ls2085a_qds_mdio *priv = bus->priv;
+
+ ls2085a_qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int ls2085a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
+ int regnum, u16 value)
+{
+ struct ls2085a_qds_mdio *priv = bus->priv;
+
+ ls2085a_qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
+}
+
+static int ls2085a_qds_mdio_reset(struct mii_dev *bus)
+{
+ struct ls2085a_qds_mdio *priv = bus->priv;
+
+ return priv->realbus->reset(priv->realbus);
+}
+
+static int ls2085a_qds_mdio_init(char *realbusname, u8 muxval)
+{
+ struct ls2085a_qds_mdio *pmdio;
+ struct mii_dev *bus = mdio_alloc();
+
+ if (!bus) {
+ printf("Failed to allocate ls2085a_qds MDIO bus\n");
+ return -1;
+ }
+
+ pmdio = malloc(sizeof(*pmdio));
+ if (!pmdio) {
+ printf("Failed to allocate ls2085a_qds private data\n");
+ free(bus);
+ return -1;
+ }
+
+ bus->read = ls2085a_qds_mdio_read;
+ bus->write = ls2085a_qds_mdio_write;
+ bus->reset = ls2085a_qds_mdio_reset;
+ sprintf(bus->name, ls2085a_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;
+ int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
+ FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
+ >> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
+ int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
+ FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
+ >> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
+
+
+ switch (serdes1_prtcl) {
+ case 0x2A:
+ printf("qds: WRIOP: Supported SerDes Protocol 0x%02x\n",
+ serdes1_prtcl);
+ break;
+ default:
+ printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
+ serdes1_prtcl);
+ break;
+ }
+
+ switch (serdes2_prtcl) {
+ case 0x07:
+ case 0x08:
+ printf("qds: WRIOP: Supported SerDes Protocol 0x%02x\n",
+ serdes2_prtcl);
+ lane_to_slot_fsm2[0] = EMI1_SLOT4;
+ lane_to_slot_fsm2[1] = EMI1_SLOT4;
+ lane_to_slot_fsm2[2] = EMI1_SLOT4;
+ lane_to_slot_fsm2[3] = EMI1_SLOT4;
+ /* No MDIO physical connection */
+ lane_to_slot_fsm2[4] = EMI1_SLOT6;
+ lane_to_slot_fsm2[5] = EMI1_SLOT6;
+ lane_to_slot_fsm2[6] = EMI1_SLOT6;
+ lane_to_slot_fsm2[7] = EMI1_SLOT6;
+ break;
+ default:
+ printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
+ serdes2_prtcl);
+ break;
+ }
+}
+
+void ls2085a_handle_phy_interface_sgmii(int dpmac_id)
+{
+ int lane, slot;
+ struct mii_dev *bus;
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
+ FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
+ >> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
+ int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
+ FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
+ >> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
+
+ switch (serdes1_prtcl) {
+ }
+
+ switch (serdes2_prtcl) {
+ case 0x07:
+ case 0x08:
+ lane = serdes_get_first_lane(FSL_SRDS_2, SGMII9 +
+ (dpmac_id - 9));
+ slot = lane_to_slot_fsm2[lane];
+
+ switch (++slot) {
+ case 1:
+ break;
+ case 3:
+ break;
+ case 4:
+ /* Slot housing a SGMII riser card? */
+ wriop_set_phy_address(dpmac_id,
+ riser_phy_addr[dpmac_id - 9]);
+ dpmac_info[dpmac_id].board_mux = EMI1_SLOT4;
+ bus = mii_dev_for_muxval(EMI1_SLOT4);
+ wriop_set_mdio(dpmac_id, bus);
+ dpmac_info[dpmac_id].phydev = phy_connect(
+ dpmac_info[dpmac_id].bus,
+ dpmac_info[dpmac_id].phy_addr,
+ NULL,
+ dpmac_info[dpmac_id].enet_if);
+ phy_config(dpmac_info[dpmac_id].phydev);
+ break;
+ case 5:
+ break;
+ case 6:
+ /* Slot housing a SGMII riser card? */
+ wriop_set_phy_address(dpmac_id,
+ riser_phy_addr[dpmac_id - 13]);
+ dpmac_info[dpmac_id].board_mux = EMI1_SLOT6;
+ bus = mii_dev_for_muxval(EMI1_SLOT6);
+ wriop_set_mdio(dpmac_id, bus);
+ break;
+ }
+ break;
+ default:
+ printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
+ serdes2_prtcl);
+ break;
+ }
+}
+void ls2085a_handle_phy_interface_xsgmii(int i)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
+ FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
+ >> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
+
+ switch (serdes1_prtcl) {
+ case 0x2A:
+ /*
+ * XFI does not need a PHY to work, but to avoid U-boot use
+ * default PHY address which is zero to a MAC when it found
+ * a MAC has no PHY address, we give a PHY address to XFI
+ * MAC, and should not use a real XAUI PHY address, since
+ * MDIO can access it successfully, and then MDIO thinks
+ * the XAUI card is used for the XFI MAC, which will cause
+ * error.
+ */
+ wriop_set_phy_address(i, i + 4);
+ ls2085a_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;
+#ifdef CONFIG_FSL_MC_ENET
+ struct memac_mdio_info *memac_mdio0_info;
+ struct memac_mdio_info *memac_mdio1_info;
+ unsigned int i;
+
+ 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);
+
+ memac_mdio1_info = (struct memac_mdio_info *)malloc(
+ sizeof(struct memac_mdio_info));
+ memac_mdio1_info->regs =
+ (struct memac_mdio_controller *)
+ CONFIG_SYS_FSL_WRIOP1_MDIO2;
+ memac_mdio1_info->name = DEFAULT_WRIOP_MDIO2_NAME;
+
+ /* Register the real MDIO2 bus */
+ fm_memac_mdio_init(bis, memac_mdio1_info);
+
+ /* Register the muxing front-ends to the MDIO buses */
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT1);
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT2);
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT3);
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT4);
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT5);
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT6);
+
+ ls2085a_qds_mdio_init(DEFAULT_WRIOP_MDIO2_NAME, EMI2);
+
+ for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
+ switch (wriop_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_QSGMII:
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ ls2085a_handle_phy_interface_sgmii(i);
+ break;
+ case PHY_INTERFACE_MODE_XGMII:
+ ls2085a_handle_phy_interface_xsgmii(i);
+ break;
+ default:
+ break;
+ }
+ }
+
+ error = cpu_eth_init(bis);
+#endif
+ error = pci_eth_init(bis);
+ return error;
+}
--- /dev/null
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <phy.h>
+#include <fsl-mc/ldpaa_wriop.h>
+#include <asm/io.h>
+#include <asm/arch-fsl-lsch3/immap_lsch3.h>
+#include <asm/arch/fsl_serdes.h>
+#include <fsl-mc/ldpaa_wriop.h>
+
+u32 dpmac_to_devdisr[] = {
+ [WRIOP1_DPMAC1] = FSL_CHASSIS3_DEVDISR2_DPMAC1,
+ [WRIOP1_DPMAC2] = FSL_CHASSIS3_DEVDISR2_DPMAC2,
+ [WRIOP1_DPMAC3] = FSL_CHASSIS3_DEVDISR2_DPMAC3,
+ [WRIOP1_DPMAC4] = FSL_CHASSIS3_DEVDISR2_DPMAC4,
+ [WRIOP1_DPMAC5] = FSL_CHASSIS3_DEVDISR2_DPMAC5,
+ [WRIOP1_DPMAC6] = FSL_CHASSIS3_DEVDISR2_DPMAC6,
+ [WRIOP1_DPMAC7] = FSL_CHASSIS3_DEVDISR2_DPMAC7,
+ [WRIOP1_DPMAC8] = FSL_CHASSIS3_DEVDISR2_DPMAC8,
+ [WRIOP1_DPMAC9] = FSL_CHASSIS3_DEVDISR2_DPMAC9,
+ [WRIOP1_DPMAC10] = FSL_CHASSIS3_DEVDISR2_DPMAC10,
+ [WRIOP1_DPMAC11] = FSL_CHASSIS3_DEVDISR2_DPMAC11,
+ [WRIOP1_DPMAC12] = FSL_CHASSIS3_DEVDISR2_DPMAC12,
+ [WRIOP1_DPMAC13] = FSL_CHASSIS3_DEVDISR2_DPMAC13,
+ [WRIOP1_DPMAC14] = FSL_CHASSIS3_DEVDISR2_DPMAC14,
+ [WRIOP1_DPMAC15] = FSL_CHASSIS3_DEVDISR2_DPMAC15,
+ [WRIOP1_DPMAC16] = FSL_CHASSIS3_DEVDISR2_DPMAC16,
+ [WRIOP1_DPMAC17] = FSL_CHASSIS3_DEVDISR2_DPMAC17,
+ [WRIOP1_DPMAC18] = FSL_CHASSIS3_DEVDISR2_DPMAC18,
+ [WRIOP1_DPMAC19] = FSL_CHASSIS3_DEVDISR2_DPMAC19,
+ [WRIOP1_DPMAC20] = FSL_CHASSIS3_DEVDISR2_DPMAC20,
+ [WRIOP1_DPMAC21] = FSL_CHASSIS3_DEVDISR2_DPMAC21,
+ [WRIOP1_DPMAC22] = FSL_CHASSIS3_DEVDISR2_DPMAC22,
+ [WRIOP1_DPMAC23] = FSL_CHASSIS3_DEVDISR2_DPMAC23,
+ [WRIOP1_DPMAC24] = FSL_CHASSIS3_DEVDISR2_DPMAC24,
+};
+
+static int is_device_disabled(int dpmac_id)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ u32 devdisr2 = in_le32(&gur->devdisr2);
+
+ return dpmac_to_devdisr[dpmac_id] & devdisr2;
+}
+
+void wriop_dpmac_disable(int dpmac_id)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+
+ setbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
+}
+
+void wriop_dpmac_enable(int dpmac_id)
+{
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+
+ clrbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
+}
+
+phy_interface_t wriop_dpmac_enet_if(int dpmac_id, int lane_prtcl)
+{
+ enum srds_prtcl;
+
+ if (is_device_disabled(dpmac_id + 1))
+ return PHY_INTERFACE_MODE_NONE;
+
+ if (lane_prtcl >= SGMII1 && lane_prtcl <= SGMII16)
+ return PHY_INTERFACE_MODE_SGMII;
+
+ if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
+ return PHY_INTERFACE_MODE_XGMII;
+
+ if (lane_prtcl >= XAUI1 && lane_prtcl <= XAUI2)
+ return PHY_INTERFACE_MODE_XGMII;
+
+ if (lane_prtcl >= QSGMII_A && lane_prtcl <= QSGMII_D)
+ return PHY_INTERFACE_MODE_QSGMII;
+
+ return PHY_INTERFACE_MODE_NONE;
+}
projects / u-boot / commitdiff