From: Prabhakar Kushwaha prabhakar@freescale.com
Add support of ethernet: - eth.c: mapping lane to slot for (0x2A, 0x07) - ls2085a.c: To enable/disable dpmac and get link type
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com Change-Id: I6d79a9633f3e31b3c23c839b9e9660ee59f0cc0c --- board/freescale/ls2085aqds/Makefile | 1 + board/freescale/ls2085aqds/eth.c | 380 +++++++++++++++++++++++++ board/freescale/ls2085aqds/ls2085aqds.c | 13 - board/freescale/ls2085aqds/ls2085aqds_qixis.h | 4 + drivers/net/ldpaa_eth/Makefile | 1 + drivers/net/ldpaa_eth/ls2085a.c | 83 ++++++ include/configs/ls2085aqds.h | 19 ++ 7 files changed, 488 insertions(+), 13 deletions(-) create mode 100644 board/freescale/ls2085aqds/eth.c create mode 100644 drivers/net/ldpaa_eth/ls2085a.c
diff --git a/board/freescale/ls2085aqds/Makefile b/board/freescale/ls2085aqds/Makefile index f174f33..da69a7d 100644 --- a/board/freescale/ls2085aqds/Makefile +++ b/board/freescale/ls2085aqds/Makefile @@ -6,3 +6,4 @@
obj-y += ls2085aqds.o obj-y += ddr.o +obj-y += eth.o diff --git a/board/freescale/ls2085aqds/eth.c b/board/freescale/ls2085aqds/eth.c new file mode 100644 index 0000000..5ba4770 --- /dev/null +++ b/board/freescale/ls2085aqds/eth.c @@ -0,0 +1,380 @@ +/* + * 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; +} diff --git a/board/freescale/ls2085aqds/ls2085aqds.c b/board/freescale/ls2085aqds/ls2085aqds.c index f7ed5b9..6a22122 100644 --- a/board/freescale/ls2085aqds/ls2085aqds.c +++ b/board/freescale/ls2085aqds/ls2085aqds.c @@ -214,19 +214,6 @@ unsigned long get_dram_size_to_hide(void) return dram_to_hide; }
-int board_eth_init(bd_t *bis) -{ - int error = 0; - -#ifdef CONFIG_FSL_MC_ENET - error = cpu_eth_init(bis); -#endif - - error = pci_eth_init(bis); - - return error; -} - #ifdef CONFIG_FSL_MC_ENET void fdt_fixup_board_enet(void *fdt) { diff --git a/board/freescale/ls2085aqds/ls2085aqds_qixis.h b/board/freescale/ls2085aqds/ls2085aqds_qixis.h index bb43e65..e281e5f 100644 --- a/board/freescale/ls2085aqds/ls2085aqds_qixis.h +++ b/board/freescale/ls2085aqds/ls2085aqds_qixis.h @@ -23,4 +23,8 @@ #define QIXIS_DDRCLK_125 0x2 #define QIXIS_DDRCLK_133 0x3
+#define BRDCFG4_EMISEL_MASK 0xE0 +#define BRDCFG4_EMISEL_SHIFT 5 +#define BRDCFG9_SFPTX_MASK 0x10 +#define BRDCFG9_SFPTX_SHIFT 4 #endif /*__LS2_QDS_QIXIS_H__*/ diff --git a/drivers/net/ldpaa_eth/Makefile b/drivers/net/ldpaa_eth/Makefile index d32d67e..c37633f 100644 --- a/drivers/net/ldpaa_eth/Makefile +++ b/drivers/net/ldpaa_eth/Makefile @@ -6,3 +6,4 @@
obj-y += ldpaa_wriop.o obj-y += ldpaa_eth.o +obj-$(CONFIG_LS2085A) += ls2085a.o diff --git a/drivers/net/ldpaa_eth/ls2085a.c b/drivers/net/ldpaa_eth/ls2085a.c new file mode 100644 index 0000000..6b7960a --- /dev/null +++ b/drivers/net/ldpaa_eth/ls2085a.c @@ -0,0 +1,83 @@ +/* + * 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; +} diff --git a/include/configs/ls2085aqds.h b/include/configs/ls2085aqds.h index 961e4dd..5ac5b63 100644 --- a/include/configs/ls2085aqds.h +++ b/include/configs/ls2085aqds.h @@ -283,4 +283,23 @@ unsigned long get_board_ddr_clk(void); "kernel_load=0xa0000000\0" \ "kernel_size=0x1000000\0"
+#ifdef CONFIG_FSL_MC_ENET +#define CONFIG_FSL_MEMAC +#define CONFIG_PHYLIB +#define CONFIG_PHYLIB_10G +#define CONFIG_CMD_MII +#define CONFIG_PHY_VITESSE +#define CONFIG_PHY_REALTEK +#define CONFIG_PHY_TERANETICS +#define SGMII_CARD_PORT1_PHY_ADDR 0x1C +#define SGMII_CARD_PORT2_PHY_ADDR 0x1d +#define SGMII_CARD_PORT3_PHY_ADDR 0x1E +#define SGMII_CARD_PORT4_PHY_ADDR 0x1F + +#define CONFIG_MII /* MII PHY management */ +#define CONFIG_ETHPRIME "DPNI1" +#define CONFIG_PHY_GIGE /* Include GbE speed/duplex detection */ + +#endif + #endif /* __LS2_QDS_H */