diff options
Diffstat (limited to 'board/freescale/t4qds/eth.c')
| -rw-r--r-- | board/freescale/t4qds/eth.c | 495 |
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 0000000000..a49c7d4f15 --- /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); +} |