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-rw-r--r--board/freescale/t4qds/eth.c495
1 files changed, 495 insertions, 0 deletions
diff --git a/board/freescale/t4qds/eth.c b/board/freescale/t4qds/eth.c
new file mode 100644
index 000000000..a49c7d4f1
--- /dev/null
+++ b/board/freescale/t4qds/eth.c
@@ -0,0 +1,495 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <netdev.h>
+#include <asm/mmu.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+#include <malloc.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <miiphy.h>
+#include <phy.h>
+#include <asm/fsl_dtsec.h>
+#include <asm/fsl_serdes.h>
+#include "../common/qixis.h"
+#include "../common/fman.h"
+
+#include "t4240qds_qixis.h"
+
+#define EMI_NONE 0xFFFFFFFF
+#define EMI1_RGMII 0
+#define EMI1_SLOT1 1
+#define EMI1_SLOT2 2
+#define EMI1_SLOT3 3
+#define EMI1_SLOT4 4
+#define EMI1_SLOT5 5
+#define EMI1_SLOT7 7
+#define EMI2 8 /* tmp, FIXME */
+/* Slot6 and Slot8 do not have EMI connections */
+
+static int mdio_mux[NUM_FM_PORTS];
+
+static const char *mdio_names[] = {
+ "T4240QDS_MDIO0",
+ "T4240QDS_MDIO1",
+ "T4240QDS_MDIO2",
+ "T4240QDS_MDIO3",
+ "T4240QDS_MDIO4",
+ "T4240QDS_MDIO5",
+ "NULL",
+ "T4240QDS_MDIO7",
+ "T4240QDS_10GC",
+};
+
+static u8 lane_to_slot_fsm1[] = {1, 1, 1, 1, 2, 2, 2, 2};
+static u8 lane_to_slot_fsm2[] = {3, 3, 3, 3, 4, 4, 4, 4};
+
+static const char *t4240qds_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 = t4240qds_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;
+}
+
+struct t4240qds_mdio {
+ u8 muxval;
+ struct mii_dev *realbus;
+};
+
+static void t4240qds_mux_mdio(u8 muxval)
+{
+ u8 brdcfg4;
+ if ((muxval < 6) || (muxval == 7)) {
+ brdcfg4 = QIXIS_READ(brdcfg[4]);
+ brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
+ brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
+ QIXIS_WRITE(brdcfg[4], brdcfg4);
+ }
+}
+
+static int t4240qds_mdio_read(struct mii_dev *bus, int addr, int devad,
+ int regnum)
+{
+ struct t4240qds_mdio *priv = bus->priv;
+
+ t4240qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int t4240qds_mdio_write(struct mii_dev *bus, int addr, int devad,
+ int regnum, u16 value)
+{
+ struct t4240qds_mdio *priv = bus->priv;
+
+ t4240qds_mux_mdio(priv->muxval);
+
+ return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
+}
+
+static int t4240qds_mdio_reset(struct mii_dev *bus)
+{
+ struct t4240qds_mdio *priv = bus->priv;
+
+ return priv->realbus->reset(priv->realbus);
+}
+
+static int t4240qds_mdio_init(char *realbusname, u8 muxval)
+{
+ struct t4240qds_mdio *pmdio;
+ struct mii_dev *bus = mdio_alloc();
+
+ if (!bus) {
+ printf("Failed to allocate T4240QDS MDIO bus\n");
+ return -1;
+ }
+
+ pmdio = malloc(sizeof(*pmdio));
+ if (!pmdio) {
+ printf("Failed to allocate T4240QDS private data\n");
+ free(bus);
+ return -1;
+ }
+
+ bus->read = t4240qds_mdio_read;
+ bus->write = t4240qds_mdio_write;
+ bus->reset = t4240qds_mdio_reset;
+ sprintf(bus->name, t4240qds_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);
+}
+
+void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
+ enum fm_port port, int offset)
+{
+ if (mdio_mux[port] == EMI1_RGMII)
+ fdt_set_phy_handle(blob, prop, pa, "phy_rgmii");
+
+ /* TODO: will do with dts */
+}
+
+void fdt_fixup_board_enet(void *fdt)
+{
+ /* TODO: will do with dts */
+}
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_FMAN_ENET)
+ int i;
+ struct memac_mdio_info dtsec_mdio_info;
+ struct memac_mdio_info tgec_mdio_info;
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 srds_prtcl_s1, srds_prtcl_s2;
+
+ srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
+ FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
+ srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
+ srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
+ FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
+ srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
+
+ /* Initialize the mdio_mux array so we can recognize empty elements */
+ for (i = 0; i < NUM_FM_PORTS; i++)
+ mdio_mux[i] = EMI_NONE;
+
+ dtsec_mdio_info.regs =
+ (struct memac_mdio_controller *)CONFIG_SYS_FM2_DTSEC_MDIO_ADDR;
+
+ dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
+
+ /* Register the 1G MDIO bus */
+ fm_memac_mdio_init(bis, &dtsec_mdio_info);
+
+ tgec_mdio_info.regs =
+ (struct memac_mdio_controller *)CONFIG_SYS_FM2_TGEC_MDIO_ADDR;
+ tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
+
+ /* Register the 10G MDIO bus */
+ fm_memac_mdio_init(bis, &tgec_mdio_info);
+
+ /* Register the muxing front-ends to the MDIO buses */
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
+ t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT7);
+ t4240qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);
+
+
+ switch (srds_prtcl_s1) {
+ case 1:
+ case 2:
+ case 4:
+ /* XAUI/HiGig in Slot1 and Slot2 */
+ fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_10GEC2, FM1_10GEC2_PHY_ADDR);
+ break;
+ case 28:
+ case 36:
+ /* SGMII in Slot1 and Slot2 */
+ fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
+ if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
+ fm_info_set_phy_address(FM1_DTSEC9,
+ SGMII_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC10,
+ SGMII_CARD_PORT3_PHY_ADDR);
+ }
+ break;
+ case 38:
+ fm_info_set_phy_address(FM1_DTSEC5, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC6, QSGMII_CARD_PHY_ADDR);
+ if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
+ fm_info_set_phy_address(FM1_DTSEC9,
+ QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC10,
+ QSGMII_CARD_PHY_ADDR);
+ }
+ break;
+ case 40:
+ case 46:
+ case 48:
+ fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
+ if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
+ fm_info_set_phy_address(FM1_DTSEC10,
+ SGMII_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC9,
+ SGMII_CARD_PORT4_PHY_ADDR);
+ }
+ fm_info_set_phy_address(FM1_DTSEC1, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC2, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC3, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC4, QSGMII_CARD_PHY_ADDR);
+ break;
+ default:
+ puts("Invalid SerDes1 protocol for T4240QDS\n");
+ break;
+ }
+
+ for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
+ int idx = i - FM1_DTSEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_SGMII:
+ lane = serdes_get_first_lane(FSL_SRDS_1,
+ SGMII_FM1_DTSEC1 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot_fsm1[lane];
+ debug("FM1@DTSEC%u expects SGMII in slot %u\n",
+ idx + 1, slot);
+ if (QIXIS_READ(present2) & (1 << (slot - 1)))
+ fm_disable_port(i);
+ switch (slot) {
+ case 1:
+ mdio_mux[i] = EMI1_SLOT1;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case 2:
+ mdio_mux[i] = EMI1_SLOT2;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ /* FM1 DTSEC5 routes to RGMII with EC2 */
+ debug("FM1@DTSEC%u is RGMII at address %u\n",
+ idx + 1, 2);
+ if (i == FM1_DTSEC5)
+ fm_info_set_phy_address(i, 2);
+ mdio_mux[i] = EMI1_RGMII;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_XGMII:
+ mdio_mux[i] = EMI2;
+ fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+
+
+#if (CONFIG_SYS_NUM_FMAN == 2)
+ switch (srds_prtcl_s2) {
+ case 1:
+ case 2:
+ case 4:
+ /* XAUI/HiGig in Slot3 and Slot4 */
+ fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_10GEC2, FM2_10GEC2_PHY_ADDR);
+ break;
+ case 7:
+ case 13:
+ case 14:
+ case 16:
+ case 22:
+ case 23:
+ case 25:
+ case 26:
+ /* XAUI/HiGig in Slot3, SGMII in Slot4 */
+ fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
+ break;
+ case 28:
+ case 36:
+ /* SGMII in Slot3 and Slot4 */
+ fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC9, SGMII_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC10, SGMII_CARD_PORT3_PHY_ADDR);
+ break;
+ case 38:
+ /* QSGMII in Slot3 and Slot4 */
+ fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC5, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC6, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC9, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC10, QSGMII_CARD_PHY_ADDR);
+ break;
+ case 40:
+ case 46:
+ case 48:
+ /* SGMII in Slot3 */
+ fm_info_set_phy_address(FM2_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC9, SGMII_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC10, SGMII_CARD_PORT3_PHY_ADDR);
+ /* QSGMII in Slot4 */
+ fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
+ break;
+ case 50:
+ case 52:
+ case 54:
+ fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
+ break;
+ case 56:
+ case 57:
+ /* XFI in Slot3, SGMII in Slot4 */
+ fm_info_set_phy_address(FM1_10GEC1, XFI_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_10GEC2, XFI_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_10GEC2, XFI_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM2_10GEC1, XFI_CARD_PORT4_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
+ break;
+ default:
+ puts("Invalid SerDes2 protocol for T4240QDS\n");
+ break;
+ }
+
+ for (i = FM2_DTSEC1; i < FM2_DTSEC1 + CONFIG_SYS_NUM_FM2_DTSEC; i++) {
+ int idx = i - FM2_DTSEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_SGMII:
+ lane = serdes_get_first_lane(FSL_SRDS_2,
+ SGMII_FM2_DTSEC1 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot_fsm2[lane];
+ debug("FM2@DTSEC%u expects SGMII in slot %u\n",
+ idx + 1, slot);
+ if (QIXIS_READ(present2) & (1 << (slot - 1)))
+ fm_disable_port(i);
+ switch (slot) {
+ case 3:
+ mdio_mux[i] = EMI1_SLOT3;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case 4:
+ mdio_mux[i] = EMI1_SLOT4;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ /*
+ * If DTSEC5 is RGMII, then it's routed via via EC1 to
+ * the first on-board RGMII port. If DTSEC6 is RGMII,
+ * then it's routed via via EC2 to the second on-board
+ * RGMII port.
+ */
+ debug("FM2@DTSEC%u is RGMII at address %u\n",
+ idx + 1, i == FM2_DTSEC5 ? 1 : 2);
+ fm_info_set_phy_address(i, i == FM2_DTSEC5 ? 1 : 2);
+ mdio_mux[i] = EMI1_RGMII;
+ fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i = FM2_10GEC1; i < FM2_10GEC1 + CONFIG_SYS_NUM_FM2_10GEC; i++) {
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_XGMII:
+ mdio_mux[i] = EMI2;
+ fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+#endif /* CONFIG_SYS_NUM_FMAN */
+
+ cpu_eth_init(bis);
+#endif /* CONFIG_FMAN_ENET */
+
+ return pci_eth_init(bis);
+}