diff options
Diffstat (limited to 'board/freescale/b4860qds/eth_b4860qds.c')
| -rw-r--r-- | board/freescale/b4860qds/eth_b4860qds.c | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/board/freescale/b4860qds/eth_b4860qds.c b/board/freescale/b4860qds/eth_b4860qds.c new file mode 100644 index 0000000000..68e2725fce --- /dev/null +++ b/board/freescale/b4860qds/eth_b4860qds.c @@ -0,0 +1,338 @@ +/* + * Copyright 2012 Freescale Semiconductor, Inc. + * Author: Sandeep Kumar Singh <sandeep@freescale.com> + * + * 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 + */ + +/* This file is based on board/freescale/corenet_ds/eth_superhydra.c */ + +/* + * This file handles the board muxing between the Fman Ethernet MACs and + * the RGMII/SGMII/XGMII PHYs on a Freescale B4860 "Centaur". The SGMII + * PHYs are the two on-board 1Gb ports. There are no RGMII PHY on board. + * The 10Gb XGMII PHY is provided via the XAUI riser card. There is only + * one Fman device on B4860. The SERDES configuration is used to determine + * where the SGMII and XAUI cards exist, and also which Fman MACs are routed + * to which PHYs. So for a given Fman MAC, there is one and only PHY it + * connects to. MACs cannot be routed to PHYs dynamically. This configuration + * is done at boot time by reading SERDES protocol from RCW. + */ + +#include <common.h> +#include <netdev.h> +#include <asm/fsl_serdes.h> +#include <fm_eth.h> +#include <fsl_mdio.h> +#include <malloc.h> +#include <fdt_support.h> +#include <asm/fsl_dtsec.h> + +#include "../common/ngpixis.h" +#include "../common/fman.h" +#include "../common/qixis.h" +#include "b4860qds_qixis.h" + +#define EMI_NONE 0xFFFFFFFF + +#ifdef CONFIG_FMAN_ENET + +/* + * Mapping of all 16 SERDES lanes to board slots. A value n(>0) will mean that + * lane at index is mapped to slot number n. A value of '0' will mean + * 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, + 1, 1, 1, 1, + 0, 0, 0, 0 +}; + +/* + * This function initializes the lane_to_slot[] array. It reads RCW to check + * if Serdes2{E,F,G,H} is configured as slot 2 or as SFP and initializes + * lane_to_slot[] accordingly + */ +static void initialize_lane_to_slot(void) +{ + unsigned int serdes2_prtcl; + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + serdes2_prtcl = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS2_PRTCL; + serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT; + debug("Initializing lane to slot: Serdes2 protocol: %x\n", + serdes2_prtcl); + + switch (serdes2_prtcl) { + case 0x18: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B,C,D: SGMII + * Lanes: E,F: Aur + * Lanes: G,H: SRIO + */ + case 0x91: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B: SGMII + * Lanes: C,D: SRIO2 + * Lanes: E,F,G,H: XAUI2 + */ + case 0x93: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B,C,D: SGMII + * Lanes: E,F,G,H: XAUI2 + */ + case 0x98: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B,C,D: XAUI2 + * Lanes: E,F,G,H: XAUI2 + */ + case 0x9a: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B: PCI + * Lanes: C,D: SGMII + * Lanes: E,F,G,H: XAUI2 + */ + case 0x9e: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B,C,D: PCI + * Lanes: E,F,G,H: XAUI2 + */ + case 0xb2: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B,C,D: PCI + * Lanes: E,F: SGMII 3&4 + * Lanes: G,H: XFI + */ + case 0xc2: + /* + * Configuration: + * SERDES: 2 + * Lanes: A,B: SGMII + * Lanes: C,D: SRIO2 + * Lanes: E,F,G,H: XAUI2 + */ + lane_to_slot[12] = 2; + lane_to_slot[13] = lane_to_slot[12]; + lane_to_slot[14] = lane_to_slot[12]; + lane_to_slot[15] = lane_to_slot[12]; + break; + + default: + printf("Fman: Unsupported SerDes2 Protocol 0x%02x\n", + serdes2_prtcl); + break; + } + return; +} + +#endif /* #ifdef CONFIG_FMAN_ENET */ + +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_FMAN_ENET + struct memac_mdio_info memac_mdio_info; + struct memac_mdio_info tg_memac_mdio_info; + unsigned int i; + unsigned int serdes1_prtcl, serdes2_prtcl; + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + serdes1_prtcl = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS1_PRTCL; + if (!serdes1_prtcl) { + printf("SERDES1 is not enabled\n"); + return 0; + } + serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl); + + serdes2_prtcl = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS2_PRTCL; + if (!serdes2_prtcl) { + printf("SERDES2 is not enabled\n"); + return 0; + } + serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT; + debug("Using SERDES2 Protocol: 0x%x:\n", serdes2_prtcl); + + printf("Initializing Fman\n"); + + initialize_lane_to_slot(); + + 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); + + tg_memac_mdio_info.regs = + (struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR; + tg_memac_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME; + + /* Register the real 10G MDIO bus */ + fm_memac_mdio_init(bis, &tg_memac_mdio_info); + + /* + * Program the two on board DTSEC PHY addresses assuming that they are + * all SGMII. RGMII is not supported on this board. Setting SGMII 5 and + * 6 to on board SGMII phys + */ + fm_info_set_phy_address(FM1_DTSEC5, CONFIG_SYS_FM1_DTSEC5_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC6, CONFIG_SYS_FM1_DTSEC6_PHY_ADDR); + + switch (serdes1_prtcl) { + case 0x2a: + /* Serdes 1: A-B SGMII, Configuring DTSEC 5 and 6 */ + debug("Setting phy addresses for FM1_DTSEC5: %x and" + "FM1_DTSEC6: %x\n", CONFIG_SYS_FM1_DTSEC5_PHY_ADDR, + CONFIG_SYS_FM1_DTSEC6_PHY_ADDR); + /* Fixing Serdes clock by programming FPGA register */ + QIXIS_WRITE(brdcfg[4], QIXIS_SRDS1CLK_125); + fm_info_set_phy_address(FM1_DTSEC5, + CONFIG_SYS_FM1_DTSEC5_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC6, + CONFIG_SYS_FM1_DTSEC6_PHY_ADDR); + break; +#ifdef CONFIG_PPC_B4420 + case 0x18: + /* Serdes 1: A-D SGMII, Configuring on board dual SGMII Phy */ + debug("Setting phy addresses for FM1_DTSEC3: %x and" + "FM1_DTSEC4: %x\n", CONFIG_SYS_FM1_DTSEC5_PHY_ADDR, + CONFIG_SYS_FM1_DTSEC6_PHY_ADDR); + /* Fixing Serdes clock by programming FPGA register */ + QIXIS_WRITE(brdcfg[4], QIXIS_SRDS1CLK_125); + fm_info_set_phy_address(FM1_DTSEC3, + CONFIG_SYS_FM1_DTSEC5_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC4, + CONFIG_SYS_FM1_DTSEC6_PHY_ADDR); + break; +#endif + default: + printf("Fman: Unsupported SerDes1 Protocol 0x%02x\n", + serdes1_prtcl); + break; + } + switch (serdes2_prtcl) { + case 0x18: + debug("Setting phy addresses on SGMII Riser card for" + "FM1_DTSEC ports: \n"); + fm_info_set_phy_address(FM1_DTSEC1, + CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC2, + CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC3, + CONFIG_SYS_FM1_DTSEC3_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC4, + CONFIG_SYS_FM1_DTSEC4_RISER_PHY_ADDR); + break; + case 0x49: + debug("Setting phy addresses on SGMII Riser card for" + "FM1_DTSEC ports: \n"); + fm_info_set_phy_address(FM1_DTSEC1, + CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC2, + CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC3, + CONFIG_SYS_FM1_DTSEC3_RISER_PHY_ADDR); + break; + case 0x8d: + case 0xb2: + debug("Setting phy addresses on SGMII Riser card for" + "FM1_DTSEC ports: \n"); + fm_info_set_phy_address(FM1_DTSEC3, + CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR); + fm_info_set_phy_address(FM1_DTSEC4, + CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR); + break; + default: + printf("Fman: Unsupported SerDes2 Protocol 0x%02x\n", + serdes2_prtcl); + break; + } + + for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { + int idx = i - FM1_DTSEC1; + + switch (fm_info_get_enet_if(i)) { + case PHY_INTERFACE_MODE_SGMII: + fm_info_set_mdio(i, + miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME)); + break; + case PHY_INTERFACE_MODE_NONE: + fm_info_set_phy_address(i, 0); + break; + default: + printf("Fman1: DTSEC%u set to unknown interface %i\n", + idx + 1, fm_info_get_enet_if(i)); + fm_info_set_phy_address(i, 0); + break; + } + } + + cpu_eth_init(bis); +#endif + + return pci_eth_init(bis); +} + +void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr, + enum fm_port port, int offset) +{ + int phy; + char alias[32]; + + if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) { + phy = fm_info_get_phy_address(port); + + sprintf(alias, "phy_sgmii_%x", phy); + fdt_set_phy_handle(fdt, compat, addr, alias); + } +} + +void fdt_fixup_board_enet(void *fdt) +{ + int i; + char alias[32]; + + for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { + switch (fm_info_get_enet_if(i)) { + case PHY_INTERFACE_MODE_NONE: + sprintf(alias, "ethernet%u", i); + fdt_status_disabled_by_alias(fdt, alias); + break; + default: + break; + } + } +} |