diff options
Diffstat (limited to 'arch/mips/cavium-octeon/executive/cvmx-helper-board.c')
| -rw-r--r-- | arch/mips/cavium-octeon/executive/cvmx-helper-board.c | 337 |
1 files changed, 2 insertions, 335 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index ff49fc04500c..ab8362e04461 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -36,8 +36,6 @@ #include <asm/octeon/cvmx-config.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> @@ -46,17 +44,6 @@ #include <asm/octeon/cvmx-asxx-defs.h> /** - * 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_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port) = - NULL; - -/** * 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 @@ -222,12 +209,6 @@ int cvmx_helper_board_get_mii_address(int ipd_port) 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; - - /* 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; @@ -263,8 +244,7 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) 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 */ @@ -282,108 +262,7 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) break; } - phy_addr = cvmx_helper_board_get_mii_address(ipd_port); - if (phy_addr != -1) { - if (is_broadcom_phy) { - /* - * Below we are going to read SMI/MDIO - * register 0x19 which works on Broadcom - * parts - */ - int 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; - } - } else { - /* - * This code assumes we are using a Marvell - * Gigabit PHY. All the speed information can - * be read from register 17 in one - * go. Somebody using a different PHY will - * need to handle it above in the board - * specific area. - */ - int 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; - } - } - } - } else if (OCTEON_IS_MODEL(OCTEON_CN3XXX) + if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)) { /* @@ -433,176 +312,6 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) } /** - * This function as a board specific method of changing the PHY - * speed, duplex, and auto-negotiation. This programs the PHY and - * not Octeon. This can be used to force Octeon's links to - * specific settings. - * - * @phy_addr: The address of the PHY to program - * @enable_autoneg: - * Non zero if you want to enable auto-negotiation. - * @link_info: Link speed to program. If the speed is zero and auto-negotiation - * is enabled, all possible negotiation speeds are advertised. - * - * Returns 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; -} - -/** * 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 @@ -676,48 +385,6 @@ int __cvmx_helper_board_hardware_enable(int interface) 0xc); } } else if (cvmx_sysinfo_get()->board_type == - CVMX_BOARD_TYPE_CN3010_EVB_HS5) { - /* - * Broadcom PHYs require differnet ASX - * clocks. Unfortunately many boards don't define a - * new board Id and simply mangle the - * CN3010_EVB_HS5 - */ - if (interface == 0) { - /* - * Some 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); - } - } - } - } else if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_UBNT_E100) { cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0); cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 0x10); |