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Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-helper-board.c')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmx-helper-board.c | 1490 |
1 files changed, 1490 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-helper-board.c b/sys/contrib/octeon-sdk/cvmx-helper-board.c new file mode 100644 index 0000000..d9fa7ba --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmx-helper-board.c @@ -0,0 +1,1490 @@ +/***********************license start*************** + * Copyright (c) 2003-2011 Cavium Inc. (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Inc. nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + + + + + + +/** + * @file + * + * Helper functions to abstract board specific data about + * network ports from the rest of the cvmx-helper files. + * + * <hr>$Revision: 70030 $<hr> + */ +#ifdef CVMX_BUILD_FOR_LINUX_KERNEL +#include <linux/module.h> +#include <asm/octeon/cvmx.h> +#include <asm/octeon/cvmx-bootinfo.h> +#include <asm/octeon/cvmx-smix-defs.h> +#include <asm/octeon/cvmx-gmxx-defs.h> +#include <asm/octeon/cvmx-asxx-defs.h> +#include <asm/octeon/cvmx-mdio.h> +#include <asm/octeon/cvmx-helper.h> +#include <asm/octeon/cvmx-helper-util.h> +#include <asm/octeon/cvmx-helper-board.h> +#include <asm/octeon/cvmx-twsi.h> +#else +#include "cvmx.h" +#include "cvmx-app-init.h" +#include "cvmx-sysinfo.h" +#include "cvmx-twsi.h" +#include "cvmx-mdio.h" +#include "cvmx-helper.h" +#include "cvmx-helper-util.h" +#include "cvmx-helper-board.h" +#include "cvmx-gpio.h" +#if !defined(__FreeBSD__) || !defined(_KERNEL) +#ifdef __U_BOOT__ +# include <libfdt.h> +#else +# include "libfdt/libfdt.h" +#endif +#endif +#include "cvmx-swap.h" +#endif + +/** + * cvmx_override_board_link_get(int ipd_port) is a function + * pointer. It is meant to allow customization of the process of + * talking to a PHY to determine link speed. It is called every + * time a PHY must be polled for link status. Users should set + * this pointer to a function before calling any cvmx-helper + * operations. + */ +CVMX_SHARED cvmx_helper_link_info_t (*cvmx_override_board_link_get)(int ipd_port) = NULL; + +#if !defined(CVMX_BUILD_FOR_LINUX_KERNEL) && (!defined(__FreeBSD__) || !defined(_KERNEL)) + +static void cvmx_retry_i2c_write(int twsi_id, uint8_t dev_addr, uint16_t internal_addr, int num_bytes, int ia_width_bytes, uint64_t data) +{ + int tries = 3; + int r; + do { + r = cvmx_twsix_write_ia(twsi_id, dev_addr, internal_addr, num_bytes, ia_width_bytes, data); + } while (tries-- > 0 && r < 0); +} + +static int __pip_eth_node(const void *fdt_addr, int aliases, int ipd_port) +{ + char name_buffer[20]; + const char*pip_path; + int pip, iface, eth; + int interface_num = cvmx_helper_get_interface_num(ipd_port); + int interface_index = cvmx_helper_get_interface_index_num(ipd_port); + + pip_path = fdt_getprop(fdt_addr, aliases, "pip", NULL); + if (!pip_path) + { + cvmx_dprintf("ERROR: pip path not found in device tree\n"); + return -1; + } + pip = fdt_path_offset(fdt_addr, pip_path); + if (pip < 0) + { + cvmx_dprintf("ERROR: pip not found in device tree\n"); + return -1; + } +#ifdef __U_BOOT__ + sprintf(name_buffer, "interface@%d", interface_num); +#else + snprintf(name_buffer, sizeof(name_buffer), "interface@%d", interface_num); +#endif + iface = fdt_subnode_offset(fdt_addr, pip, name_buffer); + if (iface < 0) + { + cvmx_dprintf("ERROR : pip intf %d not found in device tree \n", + interface_num); + return -1; + } +#ifdef __U_BOOT__ + sprintf(name_buffer, "ethernet@%x", interface_index); +#else + snprintf(name_buffer, sizeof(name_buffer), "ethernet@%x", interface_index); +#endif + eth = fdt_subnode_offset(fdt_addr, iface, name_buffer); + if (eth < 0) + { + cvmx_dprintf("ERROR : pip interface@%d ethernet@%d not found in device " + "tree\n", interface_num, interface_index); + return -1; + } + return eth; +} + +static int __mix_eth_node(const void *fdt_addr, int aliases, int interface_index) +{ + char name_buffer[20]; + const char*mix_path; + int mix; + +#ifdef __U_BOOT__ + sprintf(name_buffer, "mix%d", interface_index); +#else + snprintf(name_buffer, sizeof(name_buffer), "mix%d", interface_index); +#endif + mix_path = fdt_getprop(fdt_addr, aliases, name_buffer, NULL); + if (!mix_path) + { + cvmx_dprintf("ERROR: mix%d path not found in device tree\n",interface_index); + } + mix = fdt_path_offset(fdt_addr, mix_path); + if (mix < 0) + { + cvmx_dprintf("ERROR: %s not found in device tree\n", mix_path); + return -1; + } + return mix; +} + +typedef struct cvmx_phy_info +{ + int phy_addr; + int direct_connect; + cvmx_phy_type_t phy_type; +}cvmx_phy_info_t; + + +static int __mdiobus_addr_to_unit(uint32_t addr) +{ + int unit = (addr >> 7) & 3; + if (!OCTEON_IS_MODEL(OCTEON_CN68XX)) + unit >>= 1; + return unit; +} +/** + * Return the MII PHY address associated with the given IPD + * port. The phy address is obtained from the device tree. + * + * @param ipd_port Octeon IPD port to get the MII address for. + * + * @return MII PHY address and bus number or -1. + */ + +static cvmx_phy_info_t __get_phy_info_from_dt(int ipd_port) +{ + const void *fdt_addr = CASTPTR(const void *, cvmx_sysinfo_get()->fdt_addr); + uint32_t *phy_handle; + int aliases, eth, phy, phy_parent, phandle, ret; + cvmx_phy_info_t phy_info; + int mdio_unit=-1; + const char *phy_comaptible_str; + uint32_t *phy_addr_ptr; + + phy_info.phy_addr = -1; + phy_info.direct_connect = -1; + phy_info.phy_type = (cvmx_phy_type_t) -1; + + if (!fdt_addr) + { + cvmx_dprintf("No device tree found.\n"); + return phy_info; + } + aliases = fdt_path_offset(fdt_addr, "/aliases"); + if (aliases < 0) { + cvmx_dprintf("Error: No /aliases node in device tree.\n"); + return phy_info; + } + if (ipd_port < 0) + { + int interface_index = ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT; + eth = __mix_eth_node(fdt_addr, aliases, interface_index) ; + } + else + { + eth = __pip_eth_node(fdt_addr, aliases, ipd_port); + } + if (eth < 0 ) + { + cvmx_dprintf("ERROR : cannot find interface for ipd_port=%d\n", ipd_port); + return phy_info; + } + /* Get handle to phy */ + phy_handle = (uint32_t *) fdt_getprop(fdt_addr, eth, "phy-handle", NULL); + if (!phy_handle) + { + cvmx_dprintf("ERROR : phy handle not found in device tree ipd_port=%d" + "\n", ipd_port); + return phy_info; + } + phandle = cvmx_be32_to_cpu(*phy_handle); + phy = fdt_node_offset_by_phandle(fdt_addr, phandle); + if (phy < 0) + { + cvmx_dprintf("ERROR : cannot find phy for ipd_port=%d ret=%d\n", + ipd_port, phy); + return phy_info; + } + phy_comaptible_str = (const char *) fdt_getprop(fdt_addr, phy, + "compatible", NULL); + if (!phy_comaptible_str) + { + cvmx_dprintf("ERROR : no compatible prop in phy\n"); + return phy_info; + } + if (memcmp("marvell", phy_comaptible_str, strlen("marvell")) == 0) + { + phy_info.phy_type = MARVELL_GENERIC_PHY; + } + else if (memcmp("broadcom", phy_comaptible_str, strlen("broadcom")) == 0) + { + phy_info.phy_type = BROADCOM_GENERIC_PHY; + } + else + { + phy_info.phy_type = -1; + } + + /* Check if PHY parent is the octeon MDIO bus. Some boards are connected + though a MUX and for them direct_connect_to_phy will be 0 */ + phy_parent = fdt_parent_offset(fdt_addr, phy); + if (phy_parent < 0) + { + cvmx_dprintf("ERROR : cannot find phy parent for ipd_port=%d ret=%d\n", + ipd_port, phy_parent); + return phy_info; + } + ret = fdt_node_check_compatible(fdt_addr, phy_parent, + "cavium,octeon-3860-mdio"); + if (ret == 0) + { + phy_info.direct_connect = 1 ; + uint32_t *mdio_reg_base = (uint32_t *) fdt_getprop(fdt_addr, phy_parent,"reg",0); + if (mdio_reg_base == 0) + { + cvmx_dprintf("ERROR : unable to get reg property in phy mdio\n"); + return phy_info; + } + mdio_unit = __mdiobus_addr_to_unit(mdio_reg_base[1]); + //cvmx_dprintf("phy parent=%s reg_base=%08x unit=%d \n", + // fdt_get_name(fdt_addr,phy_parent, NULL), mdio_reg_base[1], mdio_unit); + } + else + { + phy_info.direct_connect = 0; + /* The PHY is not directly connected to the Octeon MDIO bus. + SE doesn't have abstractions for MDIO MUX or MDIO MUX drivers and + hence for the non direct cases code will be needed which is + board specific. + For now the the MDIO Unit is defaulted to 1. + */ + mdio_unit = 1; + } + + phy_addr_ptr = (uint32_t *) fdt_getprop(fdt_addr, phy, "reg", NULL); + phy_info.phy_addr = cvmx_be32_to_cpu(*phy_addr_ptr) | mdio_unit << 8; + return phy_info; + +} + +/** + * Return the MII PHY address associated with the given IPD + * port. The phy address is obtained from the device tree. + * + * @param ipd_port Octeon IPD port to get the MII address for. + * + * @return MII PHY address and bus number or -1. + */ + +int cvmx_helper_board_get_mii_address_from_dt(int ipd_port) +{ + cvmx_phy_info_t phy_info = __get_phy_info_from_dt(ipd_port); + return phy_info.phy_addr; +} +#endif + +/** + * Return the MII PHY address associated with the given IPD + * port. A result of -1 means there isn't a MII capable PHY + * connected to this port. On chips supporting multiple MII + * busses the bus number is encoded in bits <15:8>. + * + * This function must be modified for every new Octeon board. + * Internally it uses switch statements based on the cvmx_sysinfo + * data to determine board types and revisions. It replies on the + * fact that every Octeon board receives a unique board type + * enumeration from the bootloader. + * + * @param ipd_port Octeon IPD port to get the MII address for. + * + * @return MII PHY address and bus number or -1. + */ +int cvmx_helper_board_get_mii_address(int ipd_port) +{ + /* + * Board types we have to know at compile-time. + */ +#ifdef OCTEON_BOARD_CAPK_0100ND + switch (ipd_port) { + case 0: + return 2; + case 1: + return 3; + case 2: + /* XXX Switch PHY? */ + return -1; + default: + return -1; + } +#endif + + /* + * For board types we can determine at runtime. + */ + if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) + return -1; +#if !defined(CVMX_BUILD_FOR_LINUX_KERNEL) && (!defined(__FreeBSD__) || !defined(_KERNEL)) + if (cvmx_sysinfo_get()->fdt_addr) + { + cvmx_phy_info_t phy_info = __get_phy_info_from_dt(ipd_port); + //cvmx_dprintf("ipd_port=%d phy_addr=%d\n", ipd_port, phy_info.phy_addr); + if (phy_info.phy_addr >= 0) return phy_info.phy_addr; + } +#endif + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_SIM: + /* Simulator doesn't have MII */ + return -1; + case CVMX_BOARD_TYPE_EBT3000: + case CVMX_BOARD_TYPE_EBT5800: + case CVMX_BOARD_TYPE_THUNDER: + case CVMX_BOARD_TYPE_NICPRO2: + /* Interface 0 is SPI4, interface 1 is RGMII */ + if ((ipd_port >= 16) && (ipd_port < 20)) + return ipd_port - 16; + else + return -1; + case CVMX_BOARD_TYPE_LANAI2_A: + if (ipd_port == 0) + return 0; + else + return -1; + case CVMX_BOARD_TYPE_LANAI2_U: + case CVMX_BOARD_TYPE_LANAI2_G: + if (ipd_port == 0) + return 0x1c; + else + return -1; + case CVMX_BOARD_TYPE_KODAMA: + case CVMX_BOARD_TYPE_EBH3100: + case CVMX_BOARD_TYPE_HIKARI: + case CVMX_BOARD_TYPE_CN3010_EVB_HS5: + case CVMX_BOARD_TYPE_CN3005_EVB_HS5: + case CVMX_BOARD_TYPE_CN3020_EVB_HS5: + /* Port 0 is WAN connected to a PHY, Port 1 is GMII connected to a + switch */ + if (ipd_port == 0) + return 4; + else if (ipd_port == 1) + return 9; + else + return -1; + case CVMX_BOARD_TYPE_EBH3000: + /* Board has dual SPI4 and no PHYs */ + return -1; + case CVMX_BOARD_TYPE_EBT5810: + /* Board has 10g PHYs hooked up to the MII controller on the + ** IXF18201 MAC. The 10G PHYS use clause 45 MDIO which the CN58XX + ** does not support. All MII accesses go through the IXF part. */ + return -1; + case CVMX_BOARD_TYPE_EBH5200: + case CVMX_BOARD_TYPE_EBH5201: + case CVMX_BOARD_TYPE_EBT5200: + /* Board has 2 management ports */ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT; + /* Board has 4 SGMII ports. The PHYs start right after the MII + ports MII0 = 0, MII1 = 1, SGMII = 2-5 */ + if ((ipd_port >= 0) && (ipd_port < 4)) + return ipd_port+2; + else + return -1; + case CVMX_BOARD_TYPE_EBH5600: + case CVMX_BOARD_TYPE_EBH5601: + case CVMX_BOARD_TYPE_EBH5610: + /* Board has 1 management port */ + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + return 0; + /* Board has 8 SGMII ports. 4 connect out, two connect to a switch, + and 2 loop to each other */ + if ((ipd_port >= 0) && (ipd_port < 4)) + return ipd_port+1; + else + return -1; + case CVMX_BOARD_TYPE_EBB5600: + { + static unsigned char qlm_switch_addr = 0; + + /* Board has 1 management port */ + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + return 0; + + /* Board has 8 SGMII ports. 4 connected QLM1, 4 connected QLM3 */ + if ((ipd_port >= 0) && (ipd_port < 4)) + { + if (qlm_switch_addr != 0x3) + { + qlm_switch_addr = 0x3; /* QLM1 */ + cvmx_twsix_write_ia(0, 0x71, 0, 1, 1, qlm_switch_addr); + cvmx_wait_usec(11000); /* Let the write complete */ + } + return ipd_port+1 + (1<<8); + } + else if ((ipd_port >= 16) && (ipd_port < 20)) + { + if (qlm_switch_addr != 0xC) + { + qlm_switch_addr = 0xC; /* QLM3 */ + cvmx_twsix_write_ia(0, 0x71, 0, 1, 1, qlm_switch_addr); + cvmx_wait_usec(11000); /* Let the write complete */ + } + return ipd_port-16+1 + (1<<8); + } + else + return -1; + } + case CVMX_BOARD_TYPE_EBB6300: + /* Board has 2 management ports */ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT + 4; + if ((ipd_port >= 0) && (ipd_port < 4)) + return ipd_port + 1 + (1<<8); + else + return -1; + case CVMX_BOARD_TYPE_EBB6800: + /* Board has 1 management ports */ + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + return 6; + if (ipd_port >= 0x800 && ipd_port < 0x900) /* QLM 0*/ + return 0x101 + ((ipd_port >> 4) & 3); /* SMI 1*/ + if (ipd_port >= 0xa00 && ipd_port < 0xb00) /* QLM 2*/ + return 0x201 + ((ipd_port >> 4) & 3); /* SMI 2*/ + if (ipd_port >= 0xb00 && ipd_port < 0xc00) /* QLM 3*/ + return 0x301 + ((ipd_port >> 4) & 3); /* SMI 3*/ + if (ipd_port >= 0xc00 && ipd_port < 0xd00) /* QLM 4*/ + return 0x001 + ((ipd_port >> 4) & 3); /* SMI 0*/ + return -1; + case CVMX_BOARD_TYPE_EP6300C: + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + return 0x01; + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT+1) + return 0x02; +#ifdef CVMX_ENABLE_PKO_FUNCTIONS + { + int interface = cvmx_helper_get_interface_num(ipd_port); + int mode = cvmx_helper_interface_get_mode(interface); + if (mode == CVMX_HELPER_INTERFACE_MODE_XAUI) + return ipd_port; + else if ((ipd_port >= 0) && (ipd_port < 4)) + return ipd_port + 3; + else + return -1; + } +#endif + break; + case CVMX_BOARD_TYPE_CUST_NB5: + if (ipd_port == 2) + return 4; + else + return -1; + case CVMX_BOARD_TYPE_NIC_XLE_4G: + /* Board has 4 SGMII ports. connected QLM3(interface 1) */ + if ((ipd_port >= 16) && (ipd_port < 20)) + return ipd_port - 16 + 1; + else + return -1; + case CVMX_BOARD_TYPE_NIC_XLE_10G: + case CVMX_BOARD_TYPE_NIC10E: + return -1; /* We don't use clause 45 MDIO for anything */ + case CVMX_BOARD_TYPE_NIC4E: + if (ipd_port >= 0 && ipd_port <= 3) + return (ipd_port + 0x1f) & 0x1f; + else + return -1; + case CVMX_BOARD_TYPE_NIC2E: + if (ipd_port >= 0 && ipd_port <= 1) + return (ipd_port + 1); + else + return -1; + case CVMX_BOARD_TYPE_REDWING: + return -1; /* No PHYs connected to Octeon */ + case CVMX_BOARD_TYPE_BBGW_REF: + return -1; /* No PHYs are connected to Octeon, everything is through switch */ + case CVMX_BOARD_TYPE_CUST_WSX16: + if (ipd_port >= 0 && ipd_port <= 3) + return ipd_port; + else if (ipd_port >= 16 && ipd_port <= 19) + return ipd_port - 16 + 4; + else + return -1; + + /* Private vendor-defined boards. */ +#if defined(OCTEON_VENDOR_LANNER) + case CVMX_BOARD_TYPE_CUST_LANNER_MR955: + /* Interface 1 is 12 BCM5482S PHYs. */ + if ((ipd_port >= 16) && (ipd_port < 28)) + return ipd_port - 16; + return -1; + case CVMX_BOARD_TYPE_CUST_LANNER_MR730: + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + return (ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT) + 0x81; + if ((ipd_port >= 0) && (ipd_port < 4)) + return ipd_port; + return -1; + case CVMX_BOARD_TYPE_CUST_LANNER_MR320: + case CVMX_BOARD_TYPE_CUST_LANNER_MR321X: + /* Port 0 is a Marvell 88E6161 switch, ports 1 and 2 are Marvell + 88E1111 interfaces. */ + switch (ipd_port) { + case 0: + return 16; + case 1: + return 1; + case 2: + return 2; + default: + return -1; + } +#endif + } + + /* Some unknown board. Somebody forgot to update this function... */ + cvmx_dprintf("%s: Unknown board type %d\n", + __FUNCTION__, cvmx_sysinfo_get()->board_type); + return -1; +} +#ifdef CVMX_BUILD_FOR_LINUX_KERNEL +EXPORT_SYMBOL(cvmx_helper_board_get_mii_address); +#endif + +/** + * @INTERNAL + * Get link state of marvell PHY + */ +static cvmx_helper_link_info_t __get_marvell_phy_link_state(int phy_addr) +{ + cvmx_helper_link_info_t result; + int phy_status; + + result.u64 = 0; + /*All the speed information can be read from register 17 in one go.*/ + phy_status = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 17); + + /* If the resolve bit 11 isn't set, see if autoneg is turned off + (bit 12, reg 0). The resolve bit doesn't get set properly when + autoneg is off, so force it */ + if ((phy_status & (1<<11)) == 0) + { + int auto_status = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 0); + if ((auto_status & (1<<12)) == 0) + phy_status |= 1<<11; + } + + /* Only return a link if the PHY has finished auto negotiation + and set the resolved bit (bit 11) */ + if (phy_status & (1<<11)) + { + result.s.link_up = 1; + result.s.full_duplex = ((phy_status>>13)&1); + switch ((phy_status>>14)&3) + { + case 0: /* 10 Mbps */ + result.s.speed = 10; + break; + case 1: /* 100 Mbps */ + result.s.speed = 100; + break; + case 2: /* 1 Gbps */ + result.s.speed = 1000; + break; + case 3: /* Illegal */ + result.u64 = 0; + break; + } + } + return result; +} + +/** + * @INTERNAL + * Get link state of broadcom PHY + */ +static cvmx_helper_link_info_t __get_broadcom_phy_link_state(int phy_addr) +{ + cvmx_helper_link_info_t result; + int phy_status; + + result.u64 = 0; + /* Below we are going to read SMI/MDIO register 0x19 which works + on Broadcom parts */ + phy_status = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 0x19); + switch ((phy_status>>8) & 0x7) + { + case 0: + result.u64 = 0; + break; + case 1: + result.s.link_up = 1; + result.s.full_duplex = 0; + result.s.speed = 10; + break; + case 2: + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 10; + break; + case 3: + result.s.link_up = 1; + result.s.full_duplex = 0; + result.s.speed = 100; + break; + case 4: + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 100; + break; + case 5: + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 100; + break; + case 6: + result.s.link_up = 1; + result.s.full_duplex = 0; + result.s.speed = 1000; + break; + case 7: + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + break; + } + return result; +} + + +/** + * @INTERNAL + * Get link state using inband status + */ +static cvmx_helper_link_info_t __get_inband_link_state(int ipd_port) +{ + cvmx_helper_link_info_t result; + cvmx_gmxx_rxx_rx_inbnd_t inband_status; + int interface = cvmx_helper_get_interface_num(ipd_port); + int index = cvmx_helper_get_interface_index_num(ipd_port); + + result.u64 = 0; + inband_status.u64 = cvmx_read_csr(CVMX_GMXX_RXX_RX_INBND(index, interface)); + result.s.link_up = inband_status.s.status; + result.s.full_duplex = inband_status.s.duplex; + switch (inband_status.s.speed) + { + case 0: /* 10 Mbps */ + result.s.speed = 10; + break; + case 1: /* 100 Mbps */ + result.s.speed = 100; + break; + case 2: /* 1 Gbps */ + result.s.speed = 1000; + break; + case 3: /* Illegal */ + result.u64 = 0; + break; + } + return result; +} + +#if !defined(CVMX_BUILD_FOR_LINUX_KERNEL) && (!defined(__FreeBSD__) || !defined(_KERNEL)) +/** + * @INTERNAL + * Switch MDIO mux to the specified port. + */ +static int __switch_mdio_mux(int ipd_port) +{ + /* This method is board specific and doesn't use the device tree + information as SE doesn't implement MDIO MUX abstration */ + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_EBB5600: + { + static unsigned char qlm_switch_addr = 0; + /* Board has 1 management port */ + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + return 0; + /* Board has 8 SGMII ports. 4 connected QLM1, 4 connected QLM3 */ + if ((ipd_port >= 0) && (ipd_port < 4)) + { + if (qlm_switch_addr != 0x3) + { + qlm_switch_addr = 0x3; /* QLM1 */ + cvmx_twsix_write_ia(0, 0x71, 0, 1, 1, qlm_switch_addr); + cvmx_wait_usec(11000); /* Let the write complete */ + } + return ipd_port+1 + (1<<8); + } + else if ((ipd_port >= 16) && (ipd_port < 20)) + { + if (qlm_switch_addr != 0xC) + { + qlm_switch_addr = 0xC; /* QLM3 */ + cvmx_twsix_write_ia(0, 0x71, 0, 1, 1, qlm_switch_addr); + cvmx_wait_usec(11000); /* Let the write complete */ + } + return ipd_port-16+1 + (1<<8); + } + else + return -1; + } + case CVMX_BOARD_TYPE_EBB6600: + { + static unsigned char qlm_switch_addr = 0; + int old_twsi_switch_reg; + /* Board has 2 management ports */ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && + (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT + 4; + if ((ipd_port >= 0) && (ipd_port < 4)) /* QLM 2 */ + { + if (qlm_switch_addr != 2) + { + int tries; + qlm_switch_addr = 2; + tries = 3; + do { + old_twsi_switch_reg = cvmx_twsix_read8(0, 0x70, 0); + } while (tries-- > 0 && old_twsi_switch_reg < 0); + /* Set I2C MUX to enable port expander */ + cvmx_retry_i2c_write(0, 0x70, 0, 1, 0, 8); + /* Set selecter to QLM 1 */ + cvmx_retry_i2c_write(0, 0x38, 0, 1, 0, 0xff); + /* disable port expander */ + cvmx_retry_i2c_write(0, 0x70, 0, 1, 0, old_twsi_switch_reg); + } + return 0x101 + ipd_port; + } + else if ((ipd_port >= 16) && (ipd_port < 20)) /* QLM 1 */ + { + if (qlm_switch_addr != 1) + { + int tries; + qlm_switch_addr = 1; + tries = 3; + do { + old_twsi_switch_reg = cvmx_twsix_read8(0, 0x70, 0); + } while (tries-- > 0 && old_twsi_switch_reg < 0); + /* Set I2C MUX to enable port expander */ + cvmx_retry_i2c_write(0, 0x70, 0, 1, 0, 8); + /* Set selecter to QLM 2 */ + cvmx_retry_i2c_write(0, 0x38, 0, 1, 0, 0xf7); + /* disable port expander */ + cvmx_retry_i2c_write(0, 0x70, 0, 1, 0, old_twsi_switch_reg); + } + return 0x101 + (ipd_port - 16); + } else + return -1; + } + case CVMX_BOARD_TYPE_EBB6100: + { + static char gpio_configured = 0; + + if (!gpio_configured) + { + cvmx_gpio_cfg(3, 1); + gpio_configured = 1; + } + /* Board has 2 management ports */ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && + (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT + 4; + if ((ipd_port >= 0) && (ipd_port < 4)) /* QLM 2 */ + { + cvmx_gpio_set(1ull << 3); + return 0x101 + ipd_port; + } + else if ((ipd_port >= 16) && (ipd_port < 20)) /* QLM 0 */ + { + cvmx_gpio_clear(1ull << 3); + return 0x101 + (ipd_port - 16); + } + else + { + printf("%s: Unknown ipd port 0x%x\n", __func__, ipd_port); + return -1; + } + } + default: + { + cvmx_dprintf("ERROR : unexpected mdio switch for board=%08x\n", + cvmx_sysinfo_get()->board_type); + return -1; + } + } + /* should never get here */ + return -1; +} + +/** + * @INTERNAL + * This function is used ethernet ports link speed. This functions uses the + * device tree information to determine the phy address and type of PHY. + * The only supproted PHYs are Marvell and Broadcom. + * + * @param ipd_port IPD input port associated with the port we want to get link + * status for. + * + * @return The ports link status. If the link isn't fully resolved, this must + * return zero. + */ + +cvmx_helper_link_info_t __cvmx_helper_board_link_get_from_dt(int ipd_port) +{ + cvmx_helper_link_info_t result; + cvmx_phy_info_t phy_info; + + result.u64 = 0; + if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) + { + /* The simulator gives you a simulated 1Gbps full duplex link */ + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + } + phy_info = __get_phy_info_from_dt(ipd_port); + //cvmx_dprintf("ipd_port=%d phy_addr=%d dc=%d type=%d \n", ipd_port, + // phy_info.phy_addr, phy_info.direct_connect, phy_info.phy_type); + if (phy_info.phy_addr < 0) return result; + + if (phy_info.direct_connect == 0) + __switch_mdio_mux(ipd_port); + switch(phy_info.phy_type) + { + case BROADCOM_GENERIC_PHY: + result = __get_broadcom_phy_link_state(phy_info.phy_addr); + break; + case MARVELL_GENERIC_PHY: + result = __get_marvell_phy_link_state(phy_info.phy_addr); + break; + default: + result = __get_inband_link_state(ipd_port); + } + return result; + +} +#endif + +/** + * @INTERNAL + * This function invokes __cvmx_helper_board_link_get_from_dt when device tree + * info is available. When the device tree information is not available then + * this function is the board specific method of determining an + * ethernet ports link speed. Most Octeon boards have Marvell PHYs + * and are handled by the fall through case. This function must be + * updated for boards that don't have the normal Marvell PHYs. + * + * This function must be modified for every new Octeon board. + * Internally it uses switch statements based on the cvmx_sysinfo + * data to determine board types and revisions. It relies on the + * fact that every Octeon board receives a unique board type + * enumeration from the bootloader. + * + * @param ipd_port IPD input port associated with the port we want to get link + * status for. + * + * @return The ports link status. If the link isn't fully resolved, this must + * return zero. + */ +cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) +{ + cvmx_helper_link_info_t result; + int phy_addr; + int is_broadcom_phy = 0; + +#if !defined(CVMX_BUILD_FOR_LINUX_KERNEL) && (!defined(__FreeBSD__) || !defined(_KERNEL)) + if (cvmx_sysinfo_get()->fdt_addr) + { + return __cvmx_helper_board_link_get_from_dt(ipd_port); + } +#endif + + /* Give the user a chance to override the processing of this function */ + if (cvmx_override_board_link_get) + return cvmx_override_board_link_get(ipd_port); + + /* Unless we fix it later, all links are defaulted to down */ + result.u64 = 0; + +#if !defined(OCTEON_BOARD_CAPK_0100ND) + /* This switch statement should handle all ports that either don't use + Marvell PHYS, or don't support in-band status */ + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_SIM: + /* The simulator gives you a simulated 1Gbps full duplex link */ + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + case CVMX_BOARD_TYPE_LANAI2_A: + case CVMX_BOARD_TYPE_LANAI2_U: + case CVMX_BOARD_TYPE_LANAI2_G: + break; + case CVMX_BOARD_TYPE_EBH3100: + case CVMX_BOARD_TYPE_CN3010_EVB_HS5: + case CVMX_BOARD_TYPE_CN3005_EVB_HS5: + case CVMX_BOARD_TYPE_CN3020_EVB_HS5: + /* Port 1 on these boards is always Gigabit */ + if (ipd_port == 1) + { + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + } + /* Fall through to the generic code below */ + break; + case CVMX_BOARD_TYPE_EBH5600: + case CVMX_BOARD_TYPE_EBH5601: + case CVMX_BOARD_TYPE_EBH5610: + /* Board has 1 management ports */ + if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT) + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_EBH5200: + case CVMX_BOARD_TYPE_EBH5201: + case CVMX_BOARD_TYPE_EBT5200: + /* Board has 2 management ports */ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2))) + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_EBB6100: + case CVMX_BOARD_TYPE_EBB6300: /* Only for MII mode, with PHY addresses 0/1. Default is RGMII*/ + case CVMX_BOARD_TYPE_EBB6600: /* Only for MII mode, with PHY addresses 0/1. Default is RGMII*/ + if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) && (ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2)) + && cvmx_helper_board_get_mii_address(ipd_port) >= 0 && cvmx_helper_board_get_mii_address(ipd_port) <= 1) + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_EP6300C: + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_CUST_NB5: + /* Port 1 on these boards is always Gigabit */ + if (ipd_port == 1) + { + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + } + else /* The other port uses a broadcom PHY */ + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_BBGW_REF: + /* Port 1 on these boards is always Gigabit */ + if (ipd_port == 2) + { + /* Port 2 is not hooked up */ + result.u64 = 0; + return result; + } + else + { + /* Ports 0 and 1 connect to the switch */ + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + } + case CVMX_BOARD_TYPE_NIC4E: + case CVMX_BOARD_TYPE_NIC2E: + is_broadcom_phy = 1; + break; + /* Private vendor-defined boards. */ +#if defined(OCTEON_VENDOR_LANNER) + case CVMX_BOARD_TYPE_CUST_LANNER_MR730: + /* Ports are BCM5482S */ + is_broadcom_phy = 1; + break; + case CVMX_BOARD_TYPE_CUST_LANNER_MR320: + case CVMX_BOARD_TYPE_CUST_LANNER_MR321X: + /* Port 0 connects to the switch */ + if (ipd_port == 0) + { + result.s.link_up = 1; + result.s.full_duplex = 1; + result.s.speed = 1000; + return result; + } + break; +#endif + } +#endif + + phy_addr = cvmx_helper_board_get_mii_address(ipd_port); + //cvmx_dprintf("ipd_port=%d phy_addr=%d broadcom=%d\n", + // ipd_port, phy_addr, is_broadcom_phy); + if (phy_addr != -1) + { + if (is_broadcom_phy) + { + result = __get_broadcom_phy_link_state(phy_addr); + } + else + { + /* This code assumes we are using a Marvell Gigabit PHY. */ + result = __get_marvell_phy_link_state(phy_addr); + } + } + else if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX) + || OCTEON_IS_MODEL(OCTEON_CN50XX)) + { + /* We don't have a PHY address, so attempt to use in-band status. It is + really important that boards not supporting in-band status never get + here. Reading broken in-band status tends to do bad things */ + result = __get_inband_link_state(ipd_port); + } + else + { + /* We don't have a PHY address and we don't have in-band status. There + is no way to determine the link speed. Return down assuming this + port isn't wired */ + result.u64 = 0; + } + + /* If link is down, return all fields as zero. */ + if (!result.s.link_up) + result.u64 = 0; + + return result; +} + + +/** + * This function as a board specific method of changing the PHY + * speed, duplex, and autonegotiation. This programs the PHY and + * not Octeon. This can be used to force Octeon's links to + * specific settings. + * + * @param phy_addr The address of the PHY to program + * @param link_flags + * Flags to control autonegotiation. Bit 0 is autonegotiation + * enable/disable to maintain backward compatibility. + * @param link_info Link speed to program. If the speed is zero and autonegotiation + * is enabled, all possible negotiation speeds are advertised. + * + * @return Zero on success, negative on failure + */ +int cvmx_helper_board_link_set_phy(int phy_addr, cvmx_helper_board_set_phy_link_flags_types_t link_flags, + cvmx_helper_link_info_t link_info) +{ + + /* Set the flow control settings based on link_flags */ + if ((link_flags & set_phy_link_flags_flow_control_mask) != set_phy_link_flags_flow_control_dont_touch) + { + cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; + reg_autoneg_adver.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER); + reg_autoneg_adver.s.asymmetric_pause = (link_flags & set_phy_link_flags_flow_control_mask) == set_phy_link_flags_flow_control_enable; + reg_autoneg_adver.s.pause = (link_flags & set_phy_link_flags_flow_control_mask) == set_phy_link_flags_flow_control_enable; + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER, reg_autoneg_adver.u16); + } + + /* If speed isn't set and autoneg is on advertise all supported modes */ + if ((link_flags & set_phy_link_flags_autoneg) && (link_info.s.speed == 0)) + { + cvmx_mdio_phy_reg_control_t reg_control; + cvmx_mdio_phy_reg_status_t reg_status; + cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; + cvmx_mdio_phy_reg_extended_status_t reg_extended_status; + cvmx_mdio_phy_reg_control_1000_t reg_control_1000; + + reg_status.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_STATUS); + reg_autoneg_adver.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER); + reg_autoneg_adver.s.advert_100base_t4 = reg_status.s.capable_100base_t4; + reg_autoneg_adver.s.advert_10base_tx_full = reg_status.s.capable_10_full; + reg_autoneg_adver.s.advert_10base_tx_half = reg_status.s.capable_10_half; + reg_autoneg_adver.s.advert_100base_tx_full = reg_status.s.capable_100base_x_full; + reg_autoneg_adver.s.advert_100base_tx_half = reg_status.s.capable_100base_x_half; + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER, reg_autoneg_adver.u16); + if (reg_status.s.capable_extended_status) + { + reg_extended_status.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_EXTENDED_STATUS); + reg_control_1000.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL_1000); + reg_control_1000.s.advert_1000base_t_full = reg_extended_status.s.capable_1000base_t_full; + reg_control_1000.s.advert_1000base_t_half = reg_extended_status.s.capable_1000base_t_half; + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL_1000, reg_control_1000.u16); + } + reg_control.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL); + reg_control.s.autoneg_enable = 1; + reg_control.s.restart_autoneg = 1; + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); + } + else if ((link_flags & set_phy_link_flags_autoneg)) + { + cvmx_mdio_phy_reg_control_t reg_control; + cvmx_mdio_phy_reg_status_t reg_status; + cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; + cvmx_mdio_phy_reg_control_1000_t reg_control_1000; + + reg_status.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_STATUS); + reg_autoneg_adver.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER); + reg_autoneg_adver.s.advert_100base_t4 = 0; + reg_autoneg_adver.s.advert_10base_tx_full = 0; + reg_autoneg_adver.s.advert_10base_tx_half = 0; + reg_autoneg_adver.s.advert_100base_tx_full = 0; + reg_autoneg_adver.s.advert_100base_tx_half = 0; + if (reg_status.s.capable_extended_status) + { + reg_control_1000.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL_1000); + reg_control_1000.s.advert_1000base_t_full = 0; + reg_control_1000.s.advert_1000base_t_half = 0; + } + switch (link_info.s.speed) + { + case 10: + reg_autoneg_adver.s.advert_10base_tx_full = link_info.s.full_duplex; + reg_autoneg_adver.s.advert_10base_tx_half = !link_info.s.full_duplex; + break; + case 100: + reg_autoneg_adver.s.advert_100base_tx_full = link_info.s.full_duplex; + reg_autoneg_adver.s.advert_100base_tx_half = !link_info.s.full_duplex; + break; + case 1000: + reg_control_1000.s.advert_1000base_t_full = link_info.s.full_duplex; + reg_control_1000.s.advert_1000base_t_half = !link_info.s.full_duplex; + break; + } + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_AUTONEG_ADVER, reg_autoneg_adver.u16); + if (reg_status.s.capable_extended_status) + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL_1000, reg_control_1000.u16); + reg_control.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL); + reg_control.s.autoneg_enable = 1; + reg_control.s.restart_autoneg = 1; + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); + } + else + { + cvmx_mdio_phy_reg_control_t reg_control; + reg_control.u16 = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL); + reg_control.s.autoneg_enable = 0; + reg_control.s.restart_autoneg = 1; + reg_control.s.duplex = link_info.s.full_duplex; + if (link_info.s.speed == 1000) + { + reg_control.s.speed_msb = 1; + reg_control.s.speed_lsb = 0; + } + else if (link_info.s.speed == 100) + { + reg_control.s.speed_msb = 0; + reg_control.s.speed_lsb = 1; + } + else if (link_info.s.speed == 10) + { + reg_control.s.speed_msb = 0; + reg_control.s.speed_lsb = 0; + } + cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); + } + return 0; +} + + +/** + * @INTERNAL + * This function is called by cvmx_helper_interface_probe() after it + * determines the number of ports Octeon can support on a specific + * interface. This function is the per board location to override + * this value. It is called with the number of ports Octeon might + * support and should return the number of actual ports on the + * board. + * + * This function must be modified for every new Octeon board. + * Internally it uses switch statements based on the cvmx_sysinfo + * data to determine board types and revisions. It relies on the + * fact that every Octeon board receives a unique board type + * enumeration from the bootloader. + * + * @param interface Interface to probe + * @param supported_ports + * Number of ports Octeon supports. + * + * @return Number of ports the actual board supports. Many times this will + * simple be "support_ports". + */ +int __cvmx_helper_board_interface_probe(int interface, int supported_ports) +{ + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_CN3005_EVB_HS5: + case CVMX_BOARD_TYPE_LANAI2_A: + case CVMX_BOARD_TYPE_LANAI2_U: + case CVMX_BOARD_TYPE_LANAI2_G: + if (interface == 0) + return 2; + break; + case CVMX_BOARD_TYPE_BBGW_REF: + if (interface == 0) + return 2; + break; + case CVMX_BOARD_TYPE_NIC_XLE_4G: + if (interface == 0) + return 0; + break; + /* The 2nd interface on the EBH5600 is connected to the Marvel switch, + which we don't support. Disable ports connected to it */ + case CVMX_BOARD_TYPE_EBH5600: + if (interface == 1) + return 0; + break; + case CVMX_BOARD_TYPE_EBB5600: +#ifdef CVMX_ENABLE_PKO_FUNCTIONS + if (cvmx_helper_interface_get_mode(interface) == CVMX_HELPER_INTERFACE_MODE_PICMG) + return 0; +#endif + break; + case CVMX_BOARD_TYPE_EBT5810: + return 1; /* Two ports on each SPI: 1 hooked to MAC, 1 loopback + ** Loopback disabled by default. */ + case CVMX_BOARD_TYPE_NIC2E: + if (interface == 0) + return 2; +#if defined(OCTEON_VENDOR_LANNER) + case CVMX_BOARD_TYPE_CUST_LANNER_MR955: + if (interface == 1) + return 12; + break; +#endif + } +#ifdef CVMX_BUILD_FOR_UBOOT + if (CVMX_HELPER_INTERFACE_MODE_SPI == cvmx_helper_interface_get_mode(interface) && getenv("disable_spi")) + return 0; +#endif + return supported_ports; +} + + +/** + * @INTERNAL + * Enable packet input/output from the hardware. This function is + * called after by cvmx_helper_packet_hardware_enable() to + * perform board specific initialization. For most boards + * nothing is needed. + * + * @param interface Interface to enable + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_board_hardware_enable(int interface) +{ + if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CN3005_EVB_HS5) + { + if (interface == 0) + { + /* Different config for switch port */ + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0); + /* Boards with gigabit WAN ports need a different setting that is + compatible with 100 Mbit settings */ + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 0xc); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0xc); + } + } + else if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_LANAI2_U) + { + if (interface == 0) + { + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 16); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 16); + } + } + else if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CN3010_EVB_HS5) + { + /* Broadcom PHYs require different ASX clocks. Unfortunately + many customer don't define a new board Id and simply + mangle the CN3010_EVB_HS5 */ + if (interface == 0) + { + /* Some customers boards use a hacked up bootloader that identifies them as + ** CN3010_EVB_HS5 evaluation boards. This leads to all kinds of configuration + ** problems. Detect one case, and print warning, while trying to do the right thing. + */ + int phy_addr = cvmx_helper_board_get_mii_address(0); + if (phy_addr != -1) + { + int phy_identifier = cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 0x2); + /* Is it a Broadcom PHY? */ + if (phy_identifier == 0x0143) + { + cvmx_dprintf("\n"); + cvmx_dprintf("ERROR:\n"); + cvmx_dprintf("ERROR: Board type is CVMX_BOARD_TYPE_CN3010_EVB_HS5, but Broadcom PHY found.\n"); + cvmx_dprintf("ERROR: The board type is mis-configured, and software malfunctions are likely.\n"); + cvmx_dprintf("ERROR: All boards require a unique board type to identify them.\n"); + cvmx_dprintf("ERROR:\n"); + cvmx_dprintf("\n"); + cvmx_wait(1000000000); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 5); + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 5); + } + } + } + } + return 0; +} + + +/** + * @INTERNAL + * Gets the clock type used for the USB block based on board type. + * Used by the USB code for auto configuration of clock type. + * + * @return USB clock type enumeration + */ +cvmx_helper_board_usb_clock_types_t __cvmx_helper_board_usb_get_clock_type(void) +{ +#if !defined(CVMX_BUILD_FOR_LINUX_KERNEL) && (!defined(__FreeBSD__) || !defined(_KERNEL)) + const void *fdt_addr = CASTPTR(const void *, cvmx_sysinfo_get()->fdt_addr); + int nodeoffset; + const void *nodep; + int len; + uint32_t speed = 0; + const char *type = NULL; + + if (fdt_addr) + { + nodeoffset = fdt_path_offset(fdt_addr, "/soc/uctl"); + if (nodeoffset < 0) + nodeoffset = fdt_path_offset(fdt_addr, "/soc/usbn"); + + if (nodeoffset >= 0) + { + nodep = fdt_getprop(fdt_addr, nodeoffset, "refclk-type", &len); + if (nodep != NULL && len > 0) + type = (const char *)nodep; + else + type = "unknown"; + nodep = fdt_getprop(fdt_addr, nodeoffset, "refclk-frequency", &len); + if (nodep != NULL && len == sizeof(uint32_t)) + speed = fdt32_to_cpu(*(int *)nodep); + else + speed = 0; + if (!strcmp(type, "crystal")) + { + if (speed == 0 || speed == 12000000) + return USB_CLOCK_TYPE_CRYSTAL_12; + else + printf("Warning: invalid crystal speed for USB clock type in FDT\n"); + } + else if (!strcmp(type, "external")) + { + switch (speed) { + case 12000000: + return USB_CLOCK_TYPE_REF_12; + case 24000000: + return USB_CLOCK_TYPE_REF_24; + case 0: + case 48000000: + return USB_CLOCK_TYPE_REF_48; + default: + printf("Warning: invalid USB clock speed of %u hz in FDT\n", speed); + } + } + else + printf("Warning: invalid USB reference clock type \"%s\" in FDT\n", type ? type : "NULL"); + } + } +#endif + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_BBGW_REF: + case CVMX_BOARD_TYPE_LANAI2_A: + case CVMX_BOARD_TYPE_LANAI2_U: + case CVMX_BOARD_TYPE_LANAI2_G: +#if defined(OCTEON_VENDOR_LANNER) + case CVMX_BOARD_TYPE_CUST_LANNER_MR320: + case CVMX_BOARD_TYPE_CUST_LANNER_MR321X: +#endif +#if defined(OCTEON_BOARD_CAPK_0100ND) + case CVMX_BOARD_TYPE_CN3010_EVB_HS5: +#endif + case CVMX_BOARD_TYPE_NIC10E_66: + return USB_CLOCK_TYPE_CRYSTAL_12; + case CVMX_BOARD_TYPE_NIC10E: + return USB_CLOCK_TYPE_REF_12; + default: + break; + } + if (OCTEON_IS_MODEL(OCTEON_CN6XXX) /* Most boards except NIC10e use a 12MHz crystal */ + || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) + return USB_CLOCK_TYPE_CRYSTAL_12; + return USB_CLOCK_TYPE_REF_48; +} + + +/** + * @INTERNAL + * Adjusts the number of available USB ports on Octeon based on board + * specifics. + * + * @param supported_ports expected number of ports based on chip type; + * + * + * @return number of available usb ports, based on board specifics. + * Return value is supported_ports if function does not + * override. + */ +int __cvmx_helper_board_usb_get_num_ports(int supported_ports) +{ + switch (cvmx_sysinfo_get()->board_type) + { + case CVMX_BOARD_TYPE_NIC_XLE_4G: + case CVMX_BOARD_TYPE_NIC2E: + return 0; + } + + return supported_ports; +} + + |
