diff options
Diffstat (limited to 'board/freescale/t1040qds')
| -rw-r--r-- | board/freescale/t1040qds/Makefile | 1 | ||||
| -rw-r--r-- | board/freescale/t1040qds/eth.c | 492 | ||||
| -rw-r--r-- | board/freescale/t1040qds/t1040qds.c | 1 |
3 files changed, 494 insertions, 0 deletions
diff --git a/board/freescale/t1040qds/Makefile b/board/freescale/t1040qds/Makefile index 93af9eb..c7470d7 100644 --- a/board/freescale/t1040qds/Makefile +++ b/board/freescale/t1040qds/Makefile @@ -9,3 +9,4 @@ obj-y += ddr.o obj-$(CONFIG_PCI) += pci.o obj-y += law.o obj-y += tlb.o +obj-y += eth.o diff --git a/board/freescale/t1040qds/eth.c b/board/freescale/t1040qds/eth.c new file mode 100644 index 0000000..3077b4a --- /dev/null +++ b/board/freescale/t1040qds/eth.c @@ -0,0 +1,492 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * The RGMII PHYs are provided by the two on-board PHY connected to + * dTSEC instances 4 and 5. The SGMII PHYs are provided by one on-board + * PHY or by the standard four-port SGMII riser card (VSC). + */ + +#include <common.h> +#include <netdev.h> +#include <asm/fsl_serdes.h> +#include <asm/immap_85xx.h> +#include <fm_eth.h> +#include <fsl_mdio.h> +#include <malloc.h> +#include <asm/fsl_dtsec.h> + +#include "../common/fman.h" +#include "../common/qixis.h" + +#include "t1040qds_qixis.h" + +#ifdef CONFIG_FMAN_ENET + /* - In T1040 there are only 8 SERDES lanes, spread across 2 SERDES banks. + * Bank 1 -> Lanes A, B, C, D + * Bank 2 -> Lanes E, F, G, H + */ + + /* Mapping of 8 SERDES lanes to T1040 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[] = { + 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[] = { + CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR, + CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR, + CONFIG_SYS_FM1_DTSEC3_RISER_PHY_ADDR, + CONFIG_SYS_FM1_DTSEC4_RISER_PHY_ADDR, +}; + +/* Slot2 does not have EMI connections */ +#define EMI_NONE 0xFFFFFFFF +#define EMI1_RGMII0 0 +#define EMI1_RGMII1 1 +#define EMI1_SLOT1 2 +#define EMI1_SLOT3 3 +#define EMI1_SLOT4 4 +#define EMI1_SLOT5 5 +#define EMI1_SLOT6 6 +#define EMI1_SLOT7 7 +#define EMI2 8 + +static int mdio_mux[NUM_FM_PORTS]; + +static const char * const mdio_names[] = { + "T1040_QDS_MDIO0", + "T1040_QDS_MDIO1", + "T1040_QDS_MDIO2", + "T1040_QDS_MDIO3", + "T1040_QDS_MDIO4", + "T1040_QDS_MDIO5", + "T1040_QDS_MDIO6", + "T1040_QDS_MDIO7", +}; + +struct t1040_qds_mdio { + u8 muxval; + struct mii_dev *realbus; +}; + +static const char *t1040_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 = t1040_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 t1040_qds_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 t1040_qds_mdio_read(struct mii_dev *bus, int addr, int devad, + int regnum) +{ + struct t1040_qds_mdio *priv = bus->priv; + + t1040_qds_mux_mdio(priv->muxval); + + return priv->realbus->read(priv->realbus, addr, devad, regnum); +} + +static int t1040_qds_mdio_write(struct mii_dev *bus, int addr, int devad, + int regnum, u16 value) +{ + struct t1040_qds_mdio *priv = bus->priv; + + t1040_qds_mux_mdio(priv->muxval); + + return priv->realbus->write(priv->realbus, addr, devad, regnum, value); +} + +static int t1040_qds_mdio_reset(struct mii_dev *bus) +{ + struct t1040_qds_mdio *priv = bus->priv; + + return priv->realbus->reset(priv->realbus); +} + +static int t1040_qds_mdio_init(char *realbusname, u8 muxval) +{ + struct t1040_qds_mdio *pmdio; + struct mii_dev *bus = mdio_alloc(); + + if (!bus) { + printf("Failed to allocate t1040_qds MDIO bus\n"); + return -1; + } + + pmdio = malloc(sizeof(*pmdio)); + if (!pmdio) { + printf("Failed to allocate t1040_qds private data\n"); + free(bus); + return -1; + } + + bus->read = t1040_qds_mdio_read; + bus->write = t1040_qds_mdio_write; + bus->reset = t1040_qds_mdio_reset; + sprintf(bus->name, t1040_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 lane_to_slot[] array. + * + * On the T1040QDS board the mapping is controlled by ?? register. + */ +static void initialize_lane_to_slot(void) +{ + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + int serdes1_prtcl = (in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS1_PRTCL) + >> FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + + QIXIS_WRITE(cms[0], 0x07); + + switch (serdes1_prtcl) { + case 0x60: + case 0x66: + case 0x67: + case 0x69: + lane_to_slot[1] = 7; + lane_to_slot[2] = 6; + lane_to_slot[3] = 5; + break; + case 0x86: + lane_to_slot[1] = 7; + lane_to_slot[2] = 7; + lane_to_slot[3] = 7; + break; + case 0x87: + lane_to_slot[1] = 7; + lane_to_slot[2] = 7; + lane_to_slot[3] = 7; + lane_to_slot[7] = 7; + break; + case 0x89: + lane_to_slot[1] = 7; + lane_to_slot[2] = 7; + lane_to_slot[3] = 7; + lane_to_slot[7] = 7; + break; + case 0x8d: + lane_to_slot[1] = 7; + lane_to_slot[2] = 7; + lane_to_slot[3] = 7; + lane_to_slot[5] = 3; + lane_to_slot[6] = 3; + lane_to_slot[7] = 3; + break; + case 0x8F: + case 0x85: + lane_to_slot[1] = 7; + lane_to_slot[2] = 6; + lane_to_slot[3] = 5; + lane_to_slot[6] = 3; + lane_to_slot[7] = 3; + break; + case 0xA5: + lane_to_slot[1] = 7; + lane_to_slot[6] = 3; + lane_to_slot[7] = 3; + break; + case 0xA7: + lane_to_slot[1] = 7; + lane_to_slot[7] = 7; + break; + case 0xAA: + lane_to_slot[1] = 7; + lane_to_slot[6] = 7; + lane_to_slot[7] = 7; + break; + case 0x40: + lane_to_slot[2] = 7; + lane_to_slot[3] = 7; + break; + default: + printf("qds: Fman: Unsupported SerDes Protocol 0x%02x\n", + serdes1_prtcl); + break; + } +} + +/* + * Given the following ... + * + * 1) A pointer to an Fman Ethernet node (as identified by the 'compat' + * compatible string and 'addr' physical address) + * + * 2) An Fman port + * + * ... update the phy-handle property of the Ethernet node to point to the + * right PHY. This assumes that we already know the PHY for each port. + * + * The offset of the Fman Ethernet node is also passed in for convenience, but + * it is not used, and we recalculate the offset anyway. + * + * Note that what we call "Fman ports" (enum fm_port) is really an Fman MAC. + * Inside the Fman, "ports" are things that connect to MACs. We only call them + * ports in U-Boot because on previous Ethernet devices (e.g. Gianfar), MACs + * and ports are the same thing. + * + */ +void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr, + enum fm_port port, int offset) +{ + phy_interface_t intf = fm_info_get_enet_if(port); + char phy[16]; + + /* The RGMII PHY is identified by the MAC connected to it */ + if (intf == PHY_INTERFACE_MODE_RGMII) { + sprintf(phy, "rgmii_phy%u", port == FM1_DTSEC4 ? 1 : 2); + fdt_set_phy_handle(fdt, compat, addr, phy); + } + + /* The SGMII PHY is identified by the MAC connected to it */ + if (intf == PHY_INTERFACE_MODE_SGMII) { + int lane = serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC1 + + port); + u8 slot; + if (lane < 0) + return; + slot = lane_to_slot[lane]; + if (slot) { + /* Slot housing a SGMII riser card */ + sprintf(phy, "phy_s%x_%02x", slot, + (fm_info_get_phy_address(port - FM1_DTSEC1)- + CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR + 1)); + fdt_set_phy_handle(fdt, compat, addr, phy); + } + } +} + +void fdt_fixup_board_enet(void *fdt) +{ + int i, lane, idx; + + for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { + idx = i - FM1_DTSEC1; + 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; + + switch (mdio_mux[i]) { + case EMI1_SLOT3: + fdt_status_okay_by_alias(fdt, "emi1_slot3"); + break; + case EMI1_SLOT5: + fdt_status_okay_by_alias(fdt, "emi1_slot5"); + break; + case EMI1_SLOT6: + fdt_status_okay_by_alias(fdt, "emi1_slot6"); + break; + case EMI1_SLOT7: + fdt_status_okay_by_alias(fdt, "emi1_slot7"); + break; + } + break; + case PHY_INTERFACE_MODE_RGMII: + if (i == FM1_DTSEC4) + fdt_status_okay_by_alias(fdt, "emi1_rgmii0"); + + if (i == FM1_DTSEC5) + fdt_status_okay_by_alias(fdt, "emi1_rgmii1"); + break; + default: + break; + } + } +} +#endif /* #ifdef CONFIG_FMAN_ENET */ + +static void set_brdcfg9_for_gtx_clk(void) +{ + u8 brdcfg9; + brdcfg9 = QIXIS_READ(brdcfg[9]); + brdcfg9 |= (1 << 5); + QIXIS_WRITE(brdcfg[9], brdcfg9); +} + +void t1040_handle_phy_interface_sgmii(int i) +{ + int lane, idx, slot; + idx = i - FM1_DTSEC1; + lane = serdes_get_first_lane(FSL_SRDS_1, + SGMII_FM1_DTSEC1 + idx); + + if (lane < 0) + return; + slot = lane_to_slot[lane]; + + switch (slot) { + case 1: + mdio_mux[i] = EMI1_SLOT1; + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); + break; + case 3: + if (FM1_DTSEC4 == i) + fm_info_set_phy_address(i, riser_phy_addr[0]); + if (FM1_DTSEC5 == i) + fm_info_set_phy_address(i, riser_phy_addr[1]); + + 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; + case 5: + /* Slot housing a SGMII riser card? */ + fm_info_set_phy_address(i, riser_phy_addr[0]); + mdio_mux[i] = EMI1_SLOT5; + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); + break; + case 6: + /* Slot housing a SGMII riser card? */ + fm_info_set_phy_address(i, riser_phy_addr[0]); + mdio_mux[i] = EMI1_SLOT6; + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); + break; + case 7: + if (FM1_DTSEC1 == i) + fm_info_set_phy_address(i, riser_phy_addr[0]); + if (FM1_DTSEC2 == i) + fm_info_set_phy_address(i, riser_phy_addr[1]); + if (FM1_DTSEC3 == i) + fm_info_set_phy_address(i, riser_phy_addr[2]); + + mdio_mux[i] = EMI1_SLOT7; + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); + break; + default: + break; + } + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); +} +void t1040_handle_phy_interface_rgmii(int i) +{ + fm_info_set_phy_address(i, i == FM1_DTSEC5 ? + CONFIG_SYS_FM1_DTSEC5_PHY_ADDR : + CONFIG_SYS_FM1_DTSEC4_PHY_ADDR); + mdio_mux[i] = (i == FM1_DTSEC5) ? EMI1_RGMII1 : + EMI1_RGMII0; + fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); +} + +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_FMAN_ENET + struct memac_mdio_info memac_mdio_info; + unsigned int i; + + printf("Initializing Fman\n"); + set_brdcfg9_for_gtx_clk(); + + initialize_lane_to_slot(); + + /* Initialize the mdio_mux array so we can recognize empty elements */ + for (i = 0; i < NUM_FM_PORTS; i++) + mdio_mux[i] = EMI_NONE; + + memac_mdio_info.regs = + (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR; + memac_mdio_info.name = DEFAULT_FM_MDIO_NAME; + + /* Register the real 1G MDIO bus */ + fm_memac_mdio_init(bis, &memac_mdio_info); + + /* Register the muxing front-ends to the MDIO buses */ + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII0); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT6); + t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT7); + + /* + * Program on board RGMII PHY addresses. If the SGMII Riser + * card used, we'll override the PHY address later. For any DTSEC that + * is RGMII, we'll also override its PHY address later. We assume that + * DTSEC4 and DTSEC5 are used for RGMII. + */ + fm_info_set_phy_address(FM1_DTSEC4, CONFIG_SYS_FM1_DTSEC4_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC5, CONFIG_SYS_FM1_DTSEC5_PHY_ADDR); + + for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { + switch (fm_info_get_enet_if(i)) { + case PHY_INTERFACE_MODE_QSGMII: + break; + case PHY_INTERFACE_MODE_SGMII: + t1040_handle_phy_interface_sgmii(i); + break; + + case PHY_INTERFACE_MODE_RGMII: + /* Only DTSEC4 and DTSEC5 can be routed to RGMII */ + t1040_handle_phy_interface_rgmii(i); + break; + default: + break; + } + } + + cpu_eth_init(bis); +#endif + + return pci_eth_init(bis); +} diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c index de3ea5c..3dec447 100644 --- a/board/freescale/t1040qds/t1040qds.c +++ b/board/freescale/t1040qds/t1040qds.c @@ -223,6 +223,7 @@ void ft_board_setup(void *blob, bd_t *bd) #ifdef CONFIG_SYS_DPAA_FMAN fdt_fixup_fman_ethernet(blob); + fdt_fixup_board_enet(blob); #endif } |