| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2015 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <netdev.h> |
| #include <fdt_support.h> |
| #include <fm_eth.h> |
| #include <fsl_mdio.h> |
| #include <fsl_dtsec.h> |
| #include <linux/libfdt.h> |
| #include <malloc.h> |
| #include <asm/arch/fsl_serdes.h> |
| |
| #include "../common/qixis.h" |
| #include "../common/fman.h" |
| #include "ls1043aqds_qixis.h" |
| |
| #define EMI_NONE 0xFF |
| #define EMI1_RGMII1 0 |
| #define EMI1_RGMII2 1 |
| #define EMI1_SLOT1 2 |
| #define EMI1_SLOT2 3 |
| #define EMI1_SLOT3 4 |
| #define EMI1_SLOT4 5 |
| #define EMI2 6 |
| |
| static int mdio_mux[NUM_FM_PORTS]; |
| |
| static const char * const mdio_names[] = { |
| "LS1043AQDS_MDIO_RGMII1", |
| "LS1043AQDS_MDIO_RGMII2", |
| "LS1043AQDS_MDIO_SLOT1", |
| "LS1043AQDS_MDIO_SLOT2", |
| "LS1043AQDS_MDIO_SLOT3", |
| "LS1043AQDS_MDIO_SLOT4", |
| "NULL", |
| }; |
| |
| /* Map SerDes1 4 lanes to default slot, will be initialized dynamically */ |
| static u8 lane_to_slot[] = {1, 2, 3, 4}; |
| |
| static const char *ls1043aqds_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; |
| |
| if (muxval > EMI2) |
| return NULL; |
| |
| name = ls1043aqds_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 ls1043aqds_mdio { |
| u8 muxval; |
| struct mii_dev *realbus; |
| }; |
| |
| static void ls1043aqds_mux_mdio(u8 muxval) |
| { |
| u8 brdcfg4; |
| |
| if (muxval < 7) { |
| brdcfg4 = QIXIS_READ(brdcfg[4]); |
| brdcfg4 &= ~BRDCFG4_EMISEL_MASK; |
| brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT); |
| QIXIS_WRITE(brdcfg[4], brdcfg4); |
| } |
| } |
| |
| static int ls1043aqds_mdio_read(struct mii_dev *bus, int addr, int devad, |
| int regnum) |
| { |
| struct ls1043aqds_mdio *priv = bus->priv; |
| |
| ls1043aqds_mux_mdio(priv->muxval); |
| |
| return priv->realbus->read(priv->realbus, addr, devad, regnum); |
| } |
| |
| static int ls1043aqds_mdio_write(struct mii_dev *bus, int addr, int devad, |
| int regnum, u16 value) |
| { |
| struct ls1043aqds_mdio *priv = bus->priv; |
| |
| ls1043aqds_mux_mdio(priv->muxval); |
| |
| return priv->realbus->write(priv->realbus, addr, devad, |
| regnum, value); |
| } |
| |
| static int ls1043aqds_mdio_reset(struct mii_dev *bus) |
| { |
| struct ls1043aqds_mdio *priv = bus->priv; |
| |
| return priv->realbus->reset(priv->realbus); |
| } |
| |
| static int ls1043aqds_mdio_init(char *realbusname, u8 muxval) |
| { |
| struct ls1043aqds_mdio *pmdio; |
| struct mii_dev *bus = mdio_alloc(); |
| |
| if (!bus) { |
| printf("Failed to allocate ls1043aqds MDIO bus\n"); |
| return -1; |
| } |
| |
| pmdio = malloc(sizeof(*pmdio)); |
| if (!pmdio) { |
| printf("Failed to allocate ls1043aqds private data\n"); |
| free(bus); |
| return -1; |
| } |
| |
| bus->read = ls1043aqds_mdio_read; |
| bus->write = ls1043aqds_mdio_write; |
| bus->reset = ls1043aqds_mdio_reset; |
| strcpy(bus->name, ls1043aqds_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 *fdt, char *compat, phys_addr_t addr, |
| enum fm_port port, int offset) |
| { |
| struct fixed_link f_link; |
| |
| if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) { |
| if (port == FM1_DTSEC9) { |
| fdt_set_phy_handle(fdt, compat, addr, |
| "sgmii_riser_s1_p1"); |
| } else if (port == FM1_DTSEC2) { |
| fdt_set_phy_handle(fdt, compat, addr, |
| "sgmii_riser_s2_p1"); |
| } else if (port == FM1_DTSEC5) { |
| fdt_set_phy_handle(fdt, compat, addr, |
| "sgmii_riser_s3_p1"); |
| } else if (port == FM1_DTSEC6) { |
| fdt_set_phy_handle(fdt, compat, addr, |
| "sgmii_riser_s4_p1"); |
| } |
| } else if (fm_info_get_enet_if(port) == |
| PHY_INTERFACE_MODE_SGMII_2500) { |
| /* 2.5G SGMII interface */ |
| f_link.phy_id = cpu_to_fdt32(port); |
| f_link.duplex = cpu_to_fdt32(1); |
| f_link.link_speed = cpu_to_fdt32(1000); |
| f_link.pause = 0; |
| f_link.asym_pause = 0; |
| /* no PHY for 2.5G SGMII */ |
| fdt_delprop(fdt, offset, "phy-handle"); |
| fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); |
| fdt_setprop_string(fdt, offset, "phy-connection-type", |
| "sgmii-2500"); |
| } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) { |
| switch (mdio_mux[port]) { |
| case EMI1_SLOT1: |
| switch (port) { |
| case FM1_DTSEC1: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s1_p1"); |
| break; |
| case FM1_DTSEC2: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s1_p2"); |
| break; |
| case FM1_DTSEC5: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s1_p3"); |
| break; |
| case FM1_DTSEC6: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s1_p4"); |
| break; |
| default: |
| break; |
| } |
| break; |
| case EMI1_SLOT2: |
| switch (port) { |
| case FM1_DTSEC1: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s2_p1"); |
| break; |
| case FM1_DTSEC2: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s2_p2"); |
| break; |
| case FM1_DTSEC5: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s2_p3"); |
| break; |
| case FM1_DTSEC6: |
| fdt_set_phy_handle(fdt, compat, addr, |
| "qsgmii_s2_p4"); |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| fdt_delprop(fdt, offset, "phy-connection-type"); |
| fdt_setprop_string(fdt, offset, "phy-connection-type", |
| "qsgmii"); |
| } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII && |
| port == FM1_10GEC1) { |
| /* XFI interface */ |
| f_link.phy_id = cpu_to_fdt32(port); |
| f_link.duplex = cpu_to_fdt32(1); |
| f_link.link_speed = cpu_to_fdt32(10000); |
| f_link.pause = 0; |
| f_link.asym_pause = 0; |
| /* no PHY for XFI */ |
| fdt_delprop(fdt, offset, "phy-handle"); |
| fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); |
| fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii"); |
| } |
| } |
| |
| void fdt_fixup_board_enet(void *fdt) |
| { |
| int i; |
| struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| u32 srds_s1; |
| |
| srds_s1 = in_be32(&gur->rcwsr[4]) & |
| FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; |
| srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT; |
| |
| for (i = FM1_DTSEC1; i < NUM_FM_PORTS; i++) { |
| switch (fm_info_get_enet_if(i)) { |
| case PHY_INTERFACE_MODE_SGMII: |
| case PHY_INTERFACE_MODE_QSGMII: |
| switch (mdio_mux[i]) { |
| case EMI1_SLOT1: |
| fdt_status_okay_by_alias(fdt, "emi1_slot1"); |
| break; |
| case EMI1_SLOT2: |
| fdt_status_okay_by_alias(fdt, "emi1_slot2"); |
| break; |
| case EMI1_SLOT3: |
| fdt_status_okay_by_alias(fdt, "emi1_slot3"); |
| break; |
| case EMI1_SLOT4: |
| fdt_status_okay_by_alias(fdt, "emi1_slot4"); |
| break; |
| default: |
| break; |
| } |
| break; |
| case PHY_INTERFACE_MODE_XGMII: |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| #ifdef CONFIG_FMAN_ENET |
| int i, idx, lane, slot, interface; |
| struct memac_mdio_info dtsec_mdio_info; |
| struct memac_mdio_info tgec_mdio_info; |
| struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| u32 srds_s1; |
| |
| srds_s1 = in_be32(&gur->rcwsr[4]) & |
| FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; |
| srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_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_FM1_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_FM1_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 */ |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1); |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2); |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1); |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2); |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3); |
| ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4); |
| ls1043aqds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2); |
| |
| /* Set the two on-board RGMII PHY address */ |
| fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR); |
| fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR); |
| |
| switch (srds_s1) { |
| case 0x2555: |
| /* 2.5G SGMII on lane A, MAC 9 */ |
| fm_info_set_phy_address(FM1_DTSEC9, 9); |
| break; |
| case 0x4555: |
| case 0x4558: |
| /* QSGMII on lane A, MAC 1/2/5/6 */ |
| fm_info_set_phy_address(FM1_DTSEC1, |
| QSGMII_CARD_PORT1_PHY_ADDR_S1); |
| fm_info_set_phy_address(FM1_DTSEC2, |
| QSGMII_CARD_PORT2_PHY_ADDR_S1); |
| fm_info_set_phy_address(FM1_DTSEC5, |
| QSGMII_CARD_PORT3_PHY_ADDR_S1); |
| fm_info_set_phy_address(FM1_DTSEC6, |
| QSGMII_CARD_PORT4_PHY_ADDR_S1); |
| break; |
| case 0x1355: |
| /* SGMII on lane B, MAC 2*/ |
| fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); |
| break; |
| case 0x2355: |
| /* 2.5G SGMII on lane A, MAC 9 */ |
| fm_info_set_phy_address(FM1_DTSEC9, 9); |
| /* SGMII on lane B, MAC 2*/ |
| fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); |
| break; |
| case 0x3335: |
| /* SGMII on lane C, MAC 5 */ |
| fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR); |
| case 0x3355: |
| case 0x3358: |
| /* SGMII on lane B, MAC 2 */ |
| fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); |
| case 0x3555: |
| case 0x3558: |
| /* SGMII on lane A, MAC 9 */ |
| fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR); |
| break; |
| case 0x1455: |
| /* QSGMII on lane B, MAC 1/2/5/6 */ |
| fm_info_set_phy_address(FM1_DTSEC1, |
| QSGMII_CARD_PORT1_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC2, |
| QSGMII_CARD_PORT2_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC5, |
| QSGMII_CARD_PORT3_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC6, |
| QSGMII_CARD_PORT4_PHY_ADDR_S2); |
| break; |
| case 0x2455: |
| /* 2.5G SGMII on lane A, MAC 9 */ |
| fm_info_set_phy_address(FM1_DTSEC9, 9); |
| /* QSGMII on lane B, MAC 1/2/5/6 */ |
| fm_info_set_phy_address(FM1_DTSEC1, |
| QSGMII_CARD_PORT1_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC2, |
| QSGMII_CARD_PORT2_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC5, |
| QSGMII_CARD_PORT3_PHY_ADDR_S2); |
| fm_info_set_phy_address(FM1_DTSEC6, |
| QSGMII_CARD_PORT4_PHY_ADDR_S2); |
| break; |
| case 0x2255: |
| /* 2.5G SGMII on lane A, MAC 9 */ |
| fm_info_set_phy_address(FM1_DTSEC9, 9); |
| /* 2.5G SGMII on lane B, MAC 2 */ |
| fm_info_set_phy_address(FM1_DTSEC2, 2); |
| break; |
| case 0x3333: |
| /* SGMII on lane A/B/C/D, MAC 9/2/5/6 */ |
| fm_info_set_phy_address(FM1_DTSEC9, |
| SGMII_CARD_PORT1_PHY_ADDR); |
| fm_info_set_phy_address(FM1_DTSEC2, |
| SGMII_CARD_PORT1_PHY_ADDR); |
| fm_info_set_phy_address(FM1_DTSEC5, |
| SGMII_CARD_PORT1_PHY_ADDR); |
| fm_info_set_phy_address(FM1_DTSEC6, |
| SGMII_CARD_PORT1_PHY_ADDR); |
| break; |
| default: |
| printf("Invalid SerDes protocol 0x%x for LS1043AQDS\n", |
| srds_s1); |
| break; |
| } |
| |
| for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { |
| idx = i - FM1_DTSEC1; |
| interface = fm_info_get_enet_if(i); |
| switch (interface) { |
| case PHY_INTERFACE_MODE_SGMII: |
| case PHY_INTERFACE_MODE_SGMII_2500: |
| case PHY_INTERFACE_MODE_QSGMII: |
| if (interface == PHY_INTERFACE_MODE_SGMII) { |
| lane = serdes_get_first_lane(FSL_SRDS_1, |
| SGMII_FM1_DTSEC1 + idx); |
| } else if (interface == PHY_INTERFACE_MODE_SGMII_2500) { |
| lane = serdes_get_first_lane(FSL_SRDS_1, |
| SGMII_2500_FM1_DTSEC1 + idx); |
| } else { |
| lane = serdes_get_first_lane(FSL_SRDS_1, |
| QSGMII_FM1_A); |
| } |
| |
| if (lane < 0) |
| break; |
| |
| slot = lane_to_slot[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; |
| 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; |
| default: |
| break; |
| } |
| break; |
| case PHY_INTERFACE_MODE_RGMII: |
| case PHY_INTERFACE_MODE_RGMII_TXID: |
| if (i == FM1_DTSEC3) |
| mdio_mux[i] = EMI1_RGMII1; |
| else if (i == FM1_DTSEC4) |
| mdio_mux[i] = EMI1_RGMII2; |
| fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| cpu_eth_init(bis); |
| #endif /* CONFIG_FMAN_ENET */ |
| |
| return pci_eth_init(bis); |
| } |