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1fb7e27a04
This patch includes misc changes to already present Octeon MIPS C files files, which are necessary for the upcoming ethernet support. The changes are mostly: - DM GPIO & I2C infrastructure - Coding style cleanup while reworking of the code Signed-off-by: Stefan Roese <sr@denx.de>
1789 lines
51 KiB
C
1789 lines
51 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2020-2022 Marvell International Ltd.
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*
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* Helper functions for common, but complicated tasks.
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*/
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#include <log.h>
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#include <linux/delay.h>
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#include <mach/cvmx-regs.h>
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#include <mach/cvmx-csr.h>
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#include <mach/cvmx-bootmem.h>
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#include <mach/octeon-model.h>
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#include <mach/cvmx-fuse.h>
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#include <mach/octeon-feature.h>
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#include <mach/cvmx-qlm.h>
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#include <mach/octeon_qlm.h>
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#include <mach/cvmx-pcie.h>
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#include <mach/cvmx-coremask.h>
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#include <mach/cvmx-agl-defs.h>
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#include <mach/cvmx-asxx-defs.h>
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#include <mach/cvmx-bgxx-defs.h>
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#include <mach/cvmx-dbg-defs.h>
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#include <mach/cvmx-gmxx-defs.h>
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#include <mach/cvmx-gserx-defs.h>
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#include <mach/cvmx-ipd-defs.h>
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#include <mach/cvmx-l2c-defs.h>
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#include <mach/cvmx-npi-defs.h>
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#include <mach/cvmx-pcsx-defs.h>
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#include <mach/cvmx-pexp-defs.h>
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#include <mach/cvmx-pki-defs.h>
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#include <mach/cvmx-pko-defs.h>
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#include <mach/cvmx-smix-defs.h>
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#include <mach/cvmx-sriox-defs.h>
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#include <mach/cvmx-helper.h>
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#include <mach/cvmx-helper-board.h>
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#include <mach/cvmx-helper-fdt.h>
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#include <mach/cvmx-helper-bgx.h>
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#include <mach/cvmx-helper-cfg.h>
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#include <mach/cvmx-helper-ipd.h>
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#include <mach/cvmx-helper-util.h>
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#include <mach/cvmx-helper-pki.h>
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#include <mach/cvmx-helper-pko.h>
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#include <mach/cvmx-helper-pko3.h>
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#include <mach/cvmx-global-resources.h>
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#include <mach/cvmx-pko-internal-ports-range.h>
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#include <mach/cvmx-pko3-queue.h>
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#include <mach/cvmx-gmx.h>
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#include <mach/cvmx-hwpko.h>
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#include <mach/cvmx-ilk.h>
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#include <mach/cvmx-ipd.h>
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#include <mach/cvmx-pip.h>
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by an interface.
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*
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* @param mode Interface mode.
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*
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* @param enumerate Method the get number of interface ports.
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*
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* @param probe Method to probe an interface to get the number of
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* connected ports.
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*
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* @param enable Method to enable an interface
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*
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* @param link_get Method to get the state of an interface link.
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*
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* @param link_set Method to configure an interface link to the specified
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* state.
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*
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* @param loopback Method to configure a port in loopback.
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*/
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struct iface_ops {
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cvmx_helper_interface_mode_t mode;
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int (*enumerate)(int xiface);
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int (*probe)(int xiface);
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int (*enable)(int xiface);
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cvmx_helper_link_info_t (*link_get)(int ipd_port);
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int (*link_set)(int ipd_port, cvmx_helper_link_info_t link_info);
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int (*loopback)(int ipd_port, int en_in, int en_ex);
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};
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/**
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* @INTERNAL
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* This structure is used by disabled interfaces.
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*/
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static const struct iface_ops iface_ops_dis = {
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.mode = CVMX_HELPER_INTERFACE_MODE_DISABLED,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as gmii.
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*/
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static const struct iface_ops iface_ops_gmii = {
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.mode = CVMX_HELPER_INTERFACE_MODE_GMII,
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.enumerate = __cvmx_helper_rgmii_probe,
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.probe = __cvmx_helper_rgmii_probe,
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.enable = __cvmx_helper_rgmii_enable,
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.link_get = __cvmx_helper_gmii_link_get,
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.link_set = __cvmx_helper_rgmii_link_set,
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.loopback = __cvmx_helper_rgmii_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as rgmii.
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*/
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static const struct iface_ops iface_ops_rgmii = {
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.mode = CVMX_HELPER_INTERFACE_MODE_RGMII,
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.enumerate = __cvmx_helper_rgmii_probe,
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.probe = __cvmx_helper_rgmii_probe,
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.enable = __cvmx_helper_rgmii_enable,
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.link_get = __cvmx_helper_rgmii_link_get,
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.link_set = __cvmx_helper_rgmii_link_set,
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.loopback = __cvmx_helper_rgmii_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as sgmii that use the gmx mac.
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*/
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static const struct iface_ops iface_ops_sgmii = {
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.mode = CVMX_HELPER_INTERFACE_MODE_SGMII,
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.enumerate = __cvmx_helper_sgmii_enumerate,
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.probe = __cvmx_helper_sgmii_probe,
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.enable = __cvmx_helper_sgmii_enable,
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.link_get = __cvmx_helper_sgmii_link_get,
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.link_set = __cvmx_helper_sgmii_link_set,
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.loopback = __cvmx_helper_sgmii_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as sgmii that use the bgx mac.
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*/
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static const struct iface_ops iface_ops_bgx_sgmii = {
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.mode = CVMX_HELPER_INTERFACE_MODE_SGMII,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_sgmii_enable,
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.link_get = __cvmx_helper_bgx_sgmii_link_get,
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.link_set = __cvmx_helper_bgx_sgmii_link_set,
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.loopback = __cvmx_helper_bgx_sgmii_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as qsgmii.
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*/
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static const struct iface_ops iface_ops_qsgmii = {
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.mode = CVMX_HELPER_INTERFACE_MODE_QSGMII,
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.enumerate = __cvmx_helper_sgmii_enumerate,
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.probe = __cvmx_helper_sgmii_probe,
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.enable = __cvmx_helper_sgmii_enable,
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.link_get = __cvmx_helper_sgmii_link_get,
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.link_set = __cvmx_helper_sgmii_link_set,
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.loopback = __cvmx_helper_sgmii_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as xaui using the gmx mac.
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*/
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static const struct iface_ops iface_ops_xaui = {
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.mode = CVMX_HELPER_INTERFACE_MODE_XAUI,
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.enumerate = __cvmx_helper_xaui_enumerate,
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.probe = __cvmx_helper_xaui_probe,
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.enable = __cvmx_helper_xaui_enable,
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.link_get = __cvmx_helper_xaui_link_get,
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.link_set = __cvmx_helper_xaui_link_set,
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.loopback = __cvmx_helper_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as xaui using the gmx mac.
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*/
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static const struct iface_ops iface_ops_bgx_xaui = {
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.mode = CVMX_HELPER_INTERFACE_MODE_XAUI,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as rxaui.
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*/
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static const struct iface_ops iface_ops_rxaui = {
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.mode = CVMX_HELPER_INTERFACE_MODE_RXAUI,
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.enumerate = __cvmx_helper_xaui_enumerate,
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.probe = __cvmx_helper_xaui_probe,
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.enable = __cvmx_helper_xaui_enable,
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.link_get = __cvmx_helper_xaui_link_get,
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.link_set = __cvmx_helper_xaui_link_set,
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.loopback = __cvmx_helper_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as xaui using the gmx mac.
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*/
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static const struct iface_ops iface_ops_bgx_rxaui = {
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.mode = CVMX_HELPER_INTERFACE_MODE_RXAUI,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as xlaui.
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*/
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static const struct iface_ops iface_ops_bgx_xlaui = {
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.mode = CVMX_HELPER_INTERFACE_MODE_XLAUI,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as xfi.
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*/
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static const struct iface_ops iface_ops_bgx_xfi = {
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.mode = CVMX_HELPER_INTERFACE_MODE_XFI,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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static const struct iface_ops iface_ops_bgx_10G_KR = {
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.mode = CVMX_HELPER_INTERFACE_MODE_10G_KR,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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static const struct iface_ops iface_ops_bgx_40G_KR4 = {
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.mode = CVMX_HELPER_INTERFACE_MODE_40G_KR4,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_xaui_enable,
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.link_get = __cvmx_helper_bgx_xaui_link_get,
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.link_set = __cvmx_helper_bgx_xaui_link_set,
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.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as ilk.
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*/
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static const struct iface_ops iface_ops_ilk = {
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.mode = CVMX_HELPER_INTERFACE_MODE_ILK,
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.enumerate = __cvmx_helper_ilk_enumerate,
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.probe = __cvmx_helper_ilk_probe,
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.enable = __cvmx_helper_ilk_enable,
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.link_get = __cvmx_helper_ilk_link_get,
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.link_set = __cvmx_helper_ilk_link_set,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as npi.
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*/
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static const struct iface_ops iface_ops_npi = {
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.mode = CVMX_HELPER_INTERFACE_MODE_NPI,
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.enumerate = __cvmx_helper_npi_probe,
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.probe = __cvmx_helper_npi_probe,
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.enable = __cvmx_helper_npi_enable,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as agl.
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*/
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static const struct iface_ops iface_ops_agl = {
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.mode = CVMX_HELPER_INTERFACE_MODE_AGL,
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.enumerate = __cvmx_helper_agl_enumerate,
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.probe = __cvmx_helper_agl_probe,
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.enable = __cvmx_helper_agl_enable,
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.link_get = __cvmx_helper_agl_link_get,
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.link_set = __cvmx_helper_agl_link_set,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as mixed mode, some ports are sgmii and some are xfi.
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*/
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static const struct iface_ops iface_ops_bgx_mixed = {
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.mode = CVMX_HELPER_INTERFACE_MODE_MIXED,
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.enumerate = __cvmx_helper_bgx_enumerate,
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.probe = __cvmx_helper_bgx_probe,
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.enable = __cvmx_helper_bgx_mixed_enable,
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.link_get = __cvmx_helper_bgx_mixed_link_get,
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.link_set = __cvmx_helper_bgx_mixed_link_set,
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.loopback = __cvmx_helper_bgx_mixed_configure_loopback,
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};
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/**
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* @INTERNAL
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* This structure specifies the interface methods used by interfaces
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* configured as loop.
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*/
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static const struct iface_ops iface_ops_loop = {
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.mode = CVMX_HELPER_INTERFACE_MODE_LOOP,
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.enumerate = __cvmx_helper_loop_enumerate,
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.probe = __cvmx_helper_loop_probe,
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};
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const struct iface_ops *iface_node_ops[CVMX_MAX_NODES][CVMX_HELPER_MAX_IFACE];
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#define iface_ops iface_node_ops[0]
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struct cvmx_iface {
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int cvif_ipd_nports;
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int cvif_has_fcs; /* PKO fcs for this interface. */
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enum cvmx_pko_padding cvif_padding;
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cvmx_helper_link_info_t *cvif_ipd_port_link_info;
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};
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/*
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* This has to be static as u-boot expects to probe an interface and
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* gets the number of its ports.
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*/
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static struct cvmx_iface cvmx_interfaces[CVMX_MAX_NODES][CVMX_HELPER_MAX_IFACE];
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int __cvmx_helper_get_num_ipd_ports(int xiface)
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{
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struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
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struct cvmx_iface *piface;
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if (xi.interface >= cvmx_helper_get_number_of_interfaces())
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return -1;
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piface = &cvmx_interfaces[xi.node][xi.interface];
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return piface->cvif_ipd_nports;
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}
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enum cvmx_pko_padding __cvmx_helper_get_pko_padding(int xiface)
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{
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struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
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struct cvmx_iface *piface;
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if (xi.interface >= cvmx_helper_get_number_of_interfaces())
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return CVMX_PKO_PADDING_NONE;
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piface = &cvmx_interfaces[xi.node][xi.interface];
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return piface->cvif_padding;
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}
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int __cvmx_helper_init_interface(int xiface, int num_ipd_ports, int has_fcs,
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enum cvmx_pko_padding pad)
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{
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struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
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struct cvmx_iface *piface;
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cvmx_helper_link_info_t *p;
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int i;
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int sz;
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u64 addr;
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char name[32];
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if (xi.interface >= cvmx_helper_get_number_of_interfaces())
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return -1;
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piface = &cvmx_interfaces[xi.node][xi.interface];
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piface->cvif_ipd_nports = num_ipd_ports;
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piface->cvif_padding = pad;
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piface->cvif_has_fcs = has_fcs;
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/*
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* allocate the per-ipd_port link_info structure
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*/
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sz = piface->cvif_ipd_nports * sizeof(cvmx_helper_link_info_t);
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snprintf(name, sizeof(name), "__int_%d_link_info", xi.interface);
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addr = CAST64(cvmx_bootmem_alloc_named_range_once(sz, 0, 0,
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__alignof(cvmx_helper_link_info_t),
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name, NULL));
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piface->cvif_ipd_port_link_info =
|
|
(cvmx_helper_link_info_t *)__cvmx_phys_addr_to_ptr(addr, sz);
|
|
if (!piface->cvif_ipd_port_link_info) {
|
|
if (sz != 0)
|
|
debug("iface %d failed to alloc link info\n", xi.interface);
|
|
return -1;
|
|
}
|
|
|
|
/* Initialize them */
|
|
p = piface->cvif_ipd_port_link_info;
|
|
|
|
for (i = 0; i < piface->cvif_ipd_nports; i++) {
|
|
(*p).u64 = 0;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int __cvmx_helper_set_link_info(int xiface, int index, cvmx_helper_link_info_t link_info)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
struct cvmx_iface *piface;
|
|
|
|
if (xi.interface >= cvmx_helper_get_number_of_interfaces())
|
|
return -1;
|
|
|
|
piface = &cvmx_interfaces[xi.node][xi.interface];
|
|
|
|
if (piface->cvif_ipd_port_link_info) {
|
|
piface->cvif_ipd_port_link_info[index] = link_info;
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
cvmx_helper_link_info_t __cvmx_helper_get_link_info(int xiface, int port)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
struct cvmx_iface *piface;
|
|
cvmx_helper_link_info_t err;
|
|
|
|
err.u64 = 0;
|
|
|
|
if (xi.interface >= cvmx_helper_get_number_of_interfaces())
|
|
return err;
|
|
piface = &cvmx_interfaces[xi.node][xi.interface];
|
|
|
|
if (piface->cvif_ipd_port_link_info)
|
|
return piface->cvif_ipd_port_link_info[port];
|
|
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* Returns if FCS is enabled for the specified interface and port
|
|
*
|
|
* @param xiface - interface to check
|
|
*
|
|
* Return: zero if FCS is not used, otherwise FCS is used.
|
|
*/
|
|
int __cvmx_helper_get_has_fcs(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
return cvmx_interfaces[xi.node][xi.interface].cvif_has_fcs;
|
|
}
|
|
|
|
u64 cvmx_rgmii_backpressure_dis = 1;
|
|
|
|
typedef int (*cvmx_export_config_t)(void);
|
|
cvmx_export_config_t cvmx_export_app_config;
|
|
|
|
/*
|
|
* internal functions that are not exported in the .h file but must be
|
|
* declared to make gcc happy.
|
|
*/
|
|
extern cvmx_helper_link_info_t __cvmx_helper_get_link_info(int interface, int port);
|
|
|
|
/**
|
|
* cvmx_override_ipd_port_setup(int ipd_port) is a function
|
|
* pointer. It is meant to allow customization of the IPD
|
|
* port/port kind setup before packet input/output comes online.
|
|
* It is called after cvmx-helper does the default IPD configuration,
|
|
* but before IPD is enabled. Users should set this pointer to a
|
|
* function before calling any cvmx-helper operations.
|
|
*/
|
|
void (*cvmx_override_ipd_port_setup)(int ipd_port) = NULL;
|
|
|
|
/**
|
|
* Return the number of interfaces the chip has. Each interface
|
|
* may have multiple ports. Most chips support two interfaces,
|
|
* but the CNX0XX and CNX1XX are exceptions. These only support
|
|
* one interface.
|
|
*
|
|
* Return: Number of interfaces on chip
|
|
*/
|
|
int cvmx_helper_get_number_of_interfaces(void)
|
|
{
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
|
return 9;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN66XX))
|
|
if (OCTEON_IS_MODEL(OCTEON_CN66XX_PASS1_0))
|
|
return 7;
|
|
else
|
|
return 8;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN63XX))
|
|
return 6;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN61XX) || OCTEON_IS_MODEL(OCTEON_CNF71XX))
|
|
return 4;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN70XX))
|
|
return 5;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN78XX))
|
|
return 10;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CNF75XX))
|
|
return 5;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN73XX))
|
|
return 5;
|
|
else
|
|
return 3;
|
|
}
|
|
|
|
int __cvmx_helper_early_ports_on_interface(int interface)
|
|
{
|
|
int ports;
|
|
|
|
if (octeon_has_feature(OCTEON_FEATURE_PKND))
|
|
return cvmx_helper_interface_enumerate(interface);
|
|
|
|
ports = cvmx_helper_interface_enumerate(interface);
|
|
ports = __cvmx_helper_board_interface_probe(interface, ports);
|
|
|
|
return ports;
|
|
}
|
|
|
|
/**
|
|
* Return the number of ports on an interface. Depending on the
|
|
* chip and configuration, this can be 1-16. A value of 0
|
|
* specifies that the interface doesn't exist or isn't usable.
|
|
*
|
|
* @param xiface to get the port count for
|
|
*
|
|
* Return: Number of ports on interface. Can be Zero.
|
|
*/
|
|
int cvmx_helper_ports_on_interface(int xiface)
|
|
{
|
|
if (octeon_has_feature(OCTEON_FEATURE_PKND))
|
|
return cvmx_helper_interface_enumerate(xiface);
|
|
else
|
|
return __cvmx_helper_get_num_ipd_ports(xiface);
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for CN70XX.
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_cn70xx(int interface)
|
|
{
|
|
/* SGMII/RXAUI/QSGMII */
|
|
if (interface < 2) {
|
|
enum cvmx_qlm_mode qlm_mode =
|
|
cvmx_qlm_get_dlm_mode(0, interface);
|
|
|
|
if (qlm_mode == CVMX_QLM_MODE_SGMII)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else if (qlm_mode == CVMX_QLM_MODE_QSGMII)
|
|
iface_ops[interface] = &iface_ops_qsgmii;
|
|
else if (qlm_mode == CVMX_QLM_MODE_RXAUI)
|
|
iface_ops[interface] = &iface_ops_rxaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else if (interface == 2) { /* DPI */
|
|
iface_ops[interface] = &iface_ops_npi;
|
|
} else if (interface == 3) { /* LOOP */
|
|
iface_ops[interface] = &iface_ops_loop;
|
|
} else if (interface == 4) { /* RGMII (AGL) */
|
|
cvmx_agl_prtx_ctl_t prtx_ctl;
|
|
|
|
prtx_ctl.u64 = csr_rd(CVMX_AGL_PRTX_CTL(0));
|
|
if (prtx_ctl.s.mode == 0)
|
|
iface_ops[interface] = &iface_ops_agl;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
}
|
|
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for CN78XX.
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_cn78xx(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
/* SGMII/RXAUI/XAUI */
|
|
if (xi.interface < 6) {
|
|
int qlm = cvmx_qlm_lmac(xiface, 0);
|
|
enum cvmx_qlm_mode qlm_mode;
|
|
|
|
if (qlm == -1) {
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_dis;
|
|
return iface_node_ops[xi.node][xi.interface]->mode;
|
|
}
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, qlm);
|
|
|
|
if (qlm_mode == CVMX_QLM_MODE_SGMII)
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_bgx_sgmii;
|
|
else if (qlm_mode == CVMX_QLM_MODE_XAUI)
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_bgx_xaui;
|
|
else if (qlm_mode == CVMX_QLM_MODE_XLAUI)
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_bgx_xlaui;
|
|
else if (qlm_mode == CVMX_QLM_MODE_XFI)
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_bgx_xfi;
|
|
else if (qlm_mode == CVMX_QLM_MODE_RXAUI)
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_bgx_rxaui;
|
|
else
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_dis;
|
|
} else if (xi.interface < 8) {
|
|
enum cvmx_qlm_mode qlm_mode;
|
|
int found = 0;
|
|
int i;
|
|
int intf, lane_mask;
|
|
|
|
if (xi.interface == 6) {
|
|
intf = 6;
|
|
lane_mask = cvmx_ilk_lane_mask[xi.node][0];
|
|
} else {
|
|
intf = 7;
|
|
lane_mask = cvmx_ilk_lane_mask[xi.node][1];
|
|
}
|
|
switch (lane_mask) {
|
|
default:
|
|
case 0x0:
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xf:
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, 4);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xff:
|
|
found = 0;
|
|
for (i = 4; i < 6; i++) {
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, i);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
found++;
|
|
}
|
|
if (found == 2)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xfff:
|
|
found = 0;
|
|
for (i = 4; i < 7; i++) {
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, i);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
found++;
|
|
}
|
|
if (found == 3)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xff00:
|
|
found = 0;
|
|
for (i = 6; i < 8; i++) {
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, i);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
found++;
|
|
}
|
|
if (found == 2)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xf0:
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, 5);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xf00:
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, 6);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xf000:
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, 7);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
case 0xfff0:
|
|
found = 0;
|
|
for (i = 5; i < 8; i++) {
|
|
qlm_mode = cvmx_qlm_get_mode_cn78xx(xi.node, i);
|
|
if (qlm_mode == CVMX_QLM_MODE_ILK)
|
|
found++;
|
|
}
|
|
if (found == 3)
|
|
iface_node_ops[xi.node][intf] = &iface_ops_ilk;
|
|
else
|
|
iface_node_ops[xi.node][intf] = &iface_ops_dis;
|
|
break;
|
|
}
|
|
} else if (xi.interface == 8) { /* DPI */
|
|
int qlm = 0;
|
|
|
|
for (qlm = 0; qlm < 5; qlm++) {
|
|
/* if GSERX_CFG[pcie] == 1, then enable npi */
|
|
if (csr_rd_node(xi.node, CVMX_GSERX_CFG(qlm)) & 0x1) {
|
|
iface_node_ops[xi.node][xi.interface] =
|
|
&iface_ops_npi;
|
|
return iface_node_ops[xi.node][xi.interface]->mode;
|
|
}
|
|
}
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_dis;
|
|
} else if (xi.interface == 9) { /* LOOP */
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_loop;
|
|
} else {
|
|
iface_node_ops[xi.node][xi.interface] = &iface_ops_dis;
|
|
}
|
|
|
|
return iface_node_ops[xi.node][xi.interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for CN73XX.
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_cn73xx(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int interface = xi.interface;
|
|
|
|
/* SGMII/XAUI/XLAUI/XFI */
|
|
if (interface < 3) {
|
|
int qlm = cvmx_qlm_lmac(xiface, 0);
|
|
enum cvmx_qlm_mode qlm_mode;
|
|
|
|
if (qlm == -1) {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
qlm_mode = cvmx_qlm_get_mode(qlm);
|
|
|
|
switch (qlm_mode) {
|
|
case CVMX_QLM_MODE_SGMII:
|
|
case CVMX_QLM_MODE_SGMII_2X1:
|
|
case CVMX_QLM_MODE_RGMII_SGMII:
|
|
case CVMX_QLM_MODE_RGMII_SGMII_1X1:
|
|
iface_ops[interface] = &iface_ops_bgx_sgmii;
|
|
break;
|
|
case CVMX_QLM_MODE_XAUI:
|
|
case CVMX_QLM_MODE_RGMII_XAUI:
|
|
iface_ops[interface] = &iface_ops_bgx_xaui;
|
|
break;
|
|
case CVMX_QLM_MODE_RXAUI:
|
|
case CVMX_QLM_MODE_RXAUI_1X2:
|
|
case CVMX_QLM_MODE_RGMII_RXAUI:
|
|
iface_ops[interface] = &iface_ops_bgx_rxaui;
|
|
break;
|
|
case CVMX_QLM_MODE_XLAUI:
|
|
case CVMX_QLM_MODE_RGMII_XLAUI:
|
|
iface_ops[interface] = &iface_ops_bgx_xlaui;
|
|
break;
|
|
case CVMX_QLM_MODE_XFI:
|
|
case CVMX_QLM_MODE_XFI_1X2:
|
|
case CVMX_QLM_MODE_RGMII_XFI:
|
|
iface_ops[interface] = &iface_ops_bgx_xfi;
|
|
break;
|
|
case CVMX_QLM_MODE_10G_KR:
|
|
case CVMX_QLM_MODE_10G_KR_1X2:
|
|
case CVMX_QLM_MODE_RGMII_10G_KR:
|
|
iface_ops[interface] = &iface_ops_bgx_10G_KR;
|
|
break;
|
|
case CVMX_QLM_MODE_40G_KR4:
|
|
case CVMX_QLM_MODE_RGMII_40G_KR4:
|
|
iface_ops[interface] = &iface_ops_bgx_40G_KR4;
|
|
break;
|
|
case CVMX_QLM_MODE_MIXED:
|
|
iface_ops[interface] = &iface_ops_bgx_mixed;
|
|
break;
|
|
default:
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
}
|
|
} else if (interface == 3) { /* DPI */
|
|
iface_ops[interface] = &iface_ops_npi;
|
|
} else if (interface == 4) { /* LOOP */
|
|
iface_ops[interface] = &iface_ops_loop;
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
}
|
|
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for CNF75XX.
|
|
*
|
|
* CNF75XX has a single BGX block, which is attached to two DLMs,
|
|
* the first, GSER4 only supports SGMII mode, while the second,
|
|
* GSER5 supports 1G/10G single late modes, i.e. SGMII, XFI, 10G-KR.
|
|
* Each half-BGX is thus designated as a separate interface with two ports each.
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_cnf75xx(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int interface = xi.interface;
|
|
|
|
/* BGX0: SGMII (DLM4/DLM5)/XFI(DLM5) */
|
|
if (interface < 1) {
|
|
enum cvmx_qlm_mode qlm_mode;
|
|
int qlm = cvmx_qlm_lmac(xiface, 0);
|
|
|
|
if (qlm == -1) {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
qlm_mode = cvmx_qlm_get_mode(qlm);
|
|
|
|
switch (qlm_mode) {
|
|
case CVMX_QLM_MODE_SGMII:
|
|
case CVMX_QLM_MODE_SGMII_2X1:
|
|
iface_ops[interface] = &iface_ops_bgx_sgmii;
|
|
break;
|
|
case CVMX_QLM_MODE_XFI_1X2:
|
|
iface_ops[interface] = &iface_ops_bgx_xfi;
|
|
break;
|
|
case CVMX_QLM_MODE_10G_KR_1X2:
|
|
iface_ops[interface] = &iface_ops_bgx_10G_KR;
|
|
break;
|
|
case CVMX_QLM_MODE_MIXED:
|
|
iface_ops[interface] = &iface_ops_bgx_mixed;
|
|
break;
|
|
default:
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
}
|
|
} else if ((interface < 3) && OCTEON_IS_MODEL(OCTEON_CNF75XX)) {
|
|
/* SRIO is disabled for now */
|
|
printf("SRIO disabled for now!\n");
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else if (interface == 3) { /* DPI */
|
|
iface_ops[interface] = &iface_ops_npi;
|
|
} else if (interface == 4) { /* LOOP */
|
|
iface_ops[interface] = &iface_ops_loop;
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
}
|
|
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for CN68xx.
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_cn68xx(int interface)
|
|
{
|
|
union cvmx_mio_qlmx_cfg qlm_cfg;
|
|
|
|
switch (interface) {
|
|
case 0:
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(0));
|
|
/* QLM is disabled when QLM SPD is 15. */
|
|
if (qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (qlm_cfg.s.qlm_cfg == 7)
|
|
iface_ops[interface] = &iface_ops_rxaui;
|
|
else if (qlm_cfg.s.qlm_cfg == 2)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else if (qlm_cfg.s.qlm_cfg == 3)
|
|
iface_ops[interface] = &iface_ops_xaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
|
|
case 1:
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(0));
|
|
/* QLM is disabled when QLM SPD is 15. */
|
|
if (qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (qlm_cfg.s.qlm_cfg == 7)
|
|
iface_ops[interface] = &iface_ops_rxaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(interface));
|
|
/* QLM is disabled when QLM SPD is 15. */
|
|
if (qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (qlm_cfg.s.qlm_cfg == 2)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else if (qlm_cfg.s.qlm_cfg == 3)
|
|
iface_ops[interface] = &iface_ops_xaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
|
|
case 5:
|
|
case 6:
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(interface - 4));
|
|
/* QLM is disabled when QLM SPD is 15. */
|
|
if (qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (qlm_cfg.s.qlm_cfg == 1)
|
|
iface_ops[interface] = &iface_ops_ilk;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
|
|
case 7: {
|
|
union cvmx_mio_qlmx_cfg qlm_cfg1;
|
|
/* Check if PCIe0/PCIe1 is configured for PCIe */
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(3));
|
|
qlm_cfg1.u64 = csr_rd(CVMX_MIO_QLMX_CFG(1));
|
|
/* QLM is disabled when QLM SPD is 15. */
|
|
if ((qlm_cfg.s.qlm_spd != 15 && qlm_cfg.s.qlm_cfg == 0) ||
|
|
(qlm_cfg1.s.qlm_spd != 15 && qlm_cfg1.s.qlm_cfg == 0))
|
|
iface_ops[interface] = &iface_ops_npi;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} break;
|
|
|
|
case 8:
|
|
iface_ops[interface] = &iface_ops_loop;
|
|
break;
|
|
|
|
default:
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
}
|
|
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Return interface mode for an Octeon II
|
|
*/
|
|
static cvmx_helper_interface_mode_t __cvmx_get_mode_octeon2(int interface)
|
|
{
|
|
union cvmx_gmxx_inf_mode mode;
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
|
return __cvmx_get_mode_cn68xx(interface);
|
|
|
|
if (interface == 2) {
|
|
iface_ops[interface] = &iface_ops_npi;
|
|
} else if (interface == 3) {
|
|
iface_ops[interface] = &iface_ops_loop;
|
|
} else if ((OCTEON_IS_MODEL(OCTEON_CN63XX) &&
|
|
(interface == 4 || interface == 5)) ||
|
|
(OCTEON_IS_MODEL(OCTEON_CN66XX) && interface >= 4 &&
|
|
interface <= 7)) {
|
|
/* Only present in CN63XX & CN66XX Octeon model */
|
|
|
|
/* cn66xx pass1.0 has only 2 SRIO interfaces. */
|
|
if ((interface == 5 || interface == 7) &&
|
|
OCTEON_IS_MODEL(OCTEON_CN66XX_PASS1_0)) {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else if (interface == 5 && OCTEON_IS_MODEL(OCTEON_CN66XX)) {
|
|
/*
|
|
* Later passes of cn66xx support SRIO0 - x4/x2/x1,
|
|
* SRIO2 - x2/x1, SRIO3 - x1
|
|
*/
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else {
|
|
/* SRIO is disabled for now */
|
|
printf("SRIO disabled for now!\n");
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
}
|
|
} else if (OCTEON_IS_MODEL(OCTEON_CN66XX)) {
|
|
union cvmx_mio_qlmx_cfg mio_qlm_cfg;
|
|
|
|
/* QLM2 is SGMII0 and QLM1 is SGMII1 */
|
|
if (interface == 0) {
|
|
mio_qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(2));
|
|
} else if (interface == 1) {
|
|
mio_qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(1));
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
if (mio_qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (mio_qlm_cfg.s.qlm_cfg == 9)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else if (mio_qlm_cfg.s.qlm_cfg == 11)
|
|
iface_ops[interface] = &iface_ops_xaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else if (OCTEON_IS_MODEL(OCTEON_CN61XX)) {
|
|
union cvmx_mio_qlmx_cfg qlm_cfg;
|
|
|
|
if (interface == 0) {
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(2));
|
|
} else if (interface == 1) {
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(0));
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
if (qlm_cfg.s.qlm_spd == 15)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (qlm_cfg.s.qlm_cfg == 2)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else if (qlm_cfg.s.qlm_cfg == 3)
|
|
iface_ops[interface] = &iface_ops_xaui;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else if (OCTEON_IS_MODEL(OCTEON_CNF71XX)) {
|
|
if (interface == 0) {
|
|
union cvmx_mio_qlmx_cfg qlm_cfg;
|
|
|
|
qlm_cfg.u64 = csr_rd(CVMX_MIO_QLMX_CFG(0));
|
|
if (qlm_cfg.s.qlm_cfg == 2)
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
else
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
}
|
|
} else if (interface == 1 && OCTEON_IS_MODEL(OCTEON_CN63XX)) {
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
} else {
|
|
mode.u64 = csr_rd(CVMX_GMXX_INF_MODE(interface));
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN63XX)) {
|
|
switch (mode.cn63xx.mode) {
|
|
case 0:
|
|
iface_ops[interface] = &iface_ops_sgmii;
|
|
break;
|
|
|
|
case 1:
|
|
iface_ops[interface] = &iface_ops_xaui;
|
|
break;
|
|
|
|
default:
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
break;
|
|
}
|
|
} else {
|
|
if (!mode.s.en)
|
|
iface_ops[interface] = &iface_ops_dis;
|
|
else if (mode.s.type)
|
|
iface_ops[interface] = &iface_ops_gmii;
|
|
else
|
|
iface_ops[interface] = &iface_ops_rgmii;
|
|
}
|
|
}
|
|
|
|
return iface_ops[interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* Get the operating mode of an interface. Depending on the Octeon
|
|
* chip and configuration, this function returns an enumeration
|
|
* of the type of packet I/O supported by an interface.
|
|
*
|
|
* @param xiface Interface to probe
|
|
*
|
|
* Return: Mode of the interface. Unknown or unsupported interfaces return
|
|
* DISABLED.
|
|
*/
|
|
cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
|
|
if (xi.interface < 0 ||
|
|
xi.interface >= cvmx_helper_get_number_of_interfaces())
|
|
return CVMX_HELPER_INTERFACE_MODE_DISABLED;
|
|
|
|
/*
|
|
* Check if the interface mode has been already cached. If it has,
|
|
* simply return it. Otherwise, fall through the rest of the code to
|
|
* determine the interface mode and cache it in iface_ops.
|
|
*/
|
|
if (iface_node_ops[xi.node][xi.interface]) {
|
|
cvmx_helper_interface_mode_t mode;
|
|
|
|
mode = iface_node_ops[xi.node][xi.interface]->mode;
|
|
return mode;
|
|
}
|
|
|
|
/*
|
|
* OCTEON III models
|
|
*/
|
|
if (OCTEON_IS_MODEL(OCTEON_CN70XX))
|
|
return __cvmx_get_mode_cn70xx(xi.interface);
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN78XX))
|
|
return __cvmx_get_mode_cn78xx(xiface);
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) {
|
|
cvmx_helper_interface_mode_t mode;
|
|
|
|
mode = __cvmx_get_mode_cnf75xx(xiface);
|
|
return mode;
|
|
}
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN73XX)) {
|
|
cvmx_helper_interface_mode_t mode;
|
|
|
|
mode = __cvmx_get_mode_cn73xx(xiface);
|
|
return mode;
|
|
}
|
|
|
|
/*
|
|
* Octeon II models
|
|
*/
|
|
if (OCTEON_IS_OCTEON2())
|
|
return __cvmx_get_mode_octeon2(xi.interface);
|
|
|
|
/*
|
|
* Octeon and Octeon Plus models
|
|
*/
|
|
if (xi.interface == 2) {
|
|
iface_ops[xi.interface] = &iface_ops_npi;
|
|
} else if (xi.interface == 3) {
|
|
iface_ops[xi.interface] = &iface_ops_dis;
|
|
} else {
|
|
union cvmx_gmxx_inf_mode mode;
|
|
|
|
mode.u64 = csr_rd(CVMX_GMXX_INF_MODE(xi.interface));
|
|
|
|
if (!mode.s.en)
|
|
iface_ops[xi.interface] = &iface_ops_dis;
|
|
else if (mode.s.type)
|
|
iface_ops[xi.interface] = &iface_ops_gmii;
|
|
else
|
|
iface_ops[xi.interface] = &iface_ops_rgmii;
|
|
}
|
|
|
|
return iface_ops[xi.interface]->mode;
|
|
}
|
|
|
|
/**
|
|
* Determine the actual number of hardware ports connected to an
|
|
* interface. It doesn't setup the ports or enable them.
|
|
*
|
|
* @param xiface Interface to enumerate
|
|
*
|
|
* Return: The number of ports on the interface, negative on failure
|
|
*/
|
|
int cvmx_helper_interface_enumerate(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int result = 0;
|
|
|
|
cvmx_helper_interface_get_mode(xiface);
|
|
if (iface_node_ops[xi.node][xi.interface]->enumerate)
|
|
result = iface_node_ops[xi.node][xi.interface]->enumerate(xiface);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* This function probes an interface to determine the actual number of
|
|
* hardware ports connected to it. It does some setup the ports but
|
|
* doesn't enable them. The main goal here is to set the global
|
|
* interface_port_count[interface] correctly. Final hardware setup of
|
|
* the ports will be performed later.
|
|
*
|
|
* @param xiface Interface to probe
|
|
*
|
|
* Return: Zero on success, negative on failure
|
|
*/
|
|
int cvmx_helper_interface_probe(int xiface)
|
|
{
|
|
/*
|
|
* At this stage in the game we don't want packets to be
|
|
* moving yet. The following probe calls should perform
|
|
* hardware setup needed to determine port counts. Receive
|
|
* must still be disabled.
|
|
*/
|
|
int nports;
|
|
int has_fcs;
|
|
enum cvmx_pko_padding padding = CVMX_PKO_PADDING_NONE;
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
|
|
nports = -1;
|
|
has_fcs = 0;
|
|
|
|
cvmx_helper_interface_get_mode(xiface);
|
|
if (iface_node_ops[xi.node][xi.interface]->probe)
|
|
nports = iface_node_ops[xi.node][xi.interface]->probe(xiface);
|
|
|
|
switch (iface_node_ops[xi.node][xi.interface]->mode) {
|
|
/* These types don't support ports to IPD/PKO */
|
|
case CVMX_HELPER_INTERFACE_MODE_DISABLED:
|
|
case CVMX_HELPER_INTERFACE_MODE_PCIE:
|
|
nports = 0;
|
|
break;
|
|
/* XAUI is a single high speed port */
|
|
case CVMX_HELPER_INTERFACE_MODE_XAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_RXAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_XLAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_XFI:
|
|
case CVMX_HELPER_INTERFACE_MODE_10G_KR:
|
|
case CVMX_HELPER_INTERFACE_MODE_40G_KR4:
|
|
case CVMX_HELPER_INTERFACE_MODE_MIXED:
|
|
has_fcs = 1;
|
|
padding = CVMX_PKO_PADDING_60;
|
|
break;
|
|
/*
|
|
* RGMII/GMII/MII are all treated about the same. Most
|
|
* functions refer to these ports as RGMII.
|
|
*/
|
|
case CVMX_HELPER_INTERFACE_MODE_RGMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_GMII:
|
|
padding = CVMX_PKO_PADDING_60;
|
|
break;
|
|
/*
|
|
* SPI4 can have 1-16 ports depending on the device at
|
|
* the other end.
|
|
*/
|
|
case CVMX_HELPER_INTERFACE_MODE_SPI:
|
|
padding = CVMX_PKO_PADDING_60;
|
|
break;
|
|
/*
|
|
* SGMII can have 1-4 ports depending on how many are
|
|
* hooked up.
|
|
*/
|
|
case CVMX_HELPER_INTERFACE_MODE_SGMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_QSGMII:
|
|
padding = CVMX_PKO_PADDING_60;
|
|
case CVMX_HELPER_INTERFACE_MODE_PICMG:
|
|
has_fcs = 1;
|
|
break;
|
|
/* PCI target Network Packet Interface */
|
|
case CVMX_HELPER_INTERFACE_MODE_NPI:
|
|
break;
|
|
/*
|
|
* Special loopback only ports. These are not the same
|
|
* as other ports in loopback mode.
|
|
*/
|
|
case CVMX_HELPER_INTERFACE_MODE_LOOP:
|
|
break;
|
|
/* SRIO has 2^N ports, where N is number of interfaces */
|
|
case CVMX_HELPER_INTERFACE_MODE_SRIO:
|
|
break;
|
|
case CVMX_HELPER_INTERFACE_MODE_ILK:
|
|
padding = CVMX_PKO_PADDING_60;
|
|
has_fcs = 1;
|
|
break;
|
|
case CVMX_HELPER_INTERFACE_MODE_AGL:
|
|
has_fcs = 1;
|
|
break;
|
|
}
|
|
|
|
if (nports == -1)
|
|
return -1;
|
|
|
|
if (!octeon_has_feature(OCTEON_FEATURE_PKND))
|
|
has_fcs = 0;
|
|
|
|
nports = __cvmx_helper_board_interface_probe(xiface, nports);
|
|
__cvmx_helper_init_interface(xiface, nports, has_fcs, padding);
|
|
/* Make sure all global variables propagate to other cores */
|
|
CVMX_SYNCWS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Setup backpressure.
|
|
*
|
|
* Return: Zero on success, negative on failure
|
|
*/
|
|
static int __cvmx_helper_global_setup_backpressure(int node)
|
|
{
|
|
cvmx_qos_proto_t qos_proto;
|
|
cvmx_qos_pkt_mode_t qos_mode;
|
|
int port, xipdport;
|
|
unsigned int bpmask;
|
|
int interface, xiface, ports;
|
|
int num_interfaces = cvmx_helper_get_number_of_interfaces();
|
|
|
|
if (cvmx_rgmii_backpressure_dis) {
|
|
qos_proto = CVMX_QOS_PROTO_NONE;
|
|
qos_mode = CVMX_QOS_PKT_MODE_DROP;
|
|
} else {
|
|
qos_proto = CVMX_QOS_PROTO_PAUSE;
|
|
qos_mode = CVMX_QOS_PKT_MODE_HWONLY;
|
|
}
|
|
|
|
for (interface = 0; interface < num_interfaces; interface++) {
|
|
xiface = cvmx_helper_node_interface_to_xiface(node, interface);
|
|
ports = cvmx_helper_ports_on_interface(xiface);
|
|
|
|
switch (cvmx_helper_interface_get_mode(xiface)) {
|
|
case CVMX_HELPER_INTERFACE_MODE_DISABLED:
|
|
case CVMX_HELPER_INTERFACE_MODE_PCIE:
|
|
case CVMX_HELPER_INTERFACE_MODE_SRIO:
|
|
case CVMX_HELPER_INTERFACE_MODE_ILK:
|
|
case CVMX_HELPER_INTERFACE_MODE_NPI:
|
|
case CVMX_HELPER_INTERFACE_MODE_PICMG:
|
|
break;
|
|
case CVMX_HELPER_INTERFACE_MODE_LOOP:
|
|
case CVMX_HELPER_INTERFACE_MODE_XAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_RXAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_XLAUI:
|
|
case CVMX_HELPER_INTERFACE_MODE_XFI:
|
|
case CVMX_HELPER_INTERFACE_MODE_10G_KR:
|
|
case CVMX_HELPER_INTERFACE_MODE_40G_KR4:
|
|
bpmask = (cvmx_rgmii_backpressure_dis) ? 0xF : 0;
|
|
if (octeon_has_feature(OCTEON_FEATURE_BGX)) {
|
|
for (port = 0; port < ports; port++) {
|
|
xipdport = cvmx_helper_get_ipd_port(xiface, port);
|
|
cvmx_bgx_set_flowctl_mode(xipdport, qos_proto, qos_mode);
|
|
}
|
|
cvmx_bgx_set_backpressure_override(xiface, bpmask);
|
|
}
|
|
break;
|
|
case CVMX_HELPER_INTERFACE_MODE_RGMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_GMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_SPI:
|
|
case CVMX_HELPER_INTERFACE_MODE_SGMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_QSGMII:
|
|
case CVMX_HELPER_INTERFACE_MODE_MIXED:
|
|
bpmask = (cvmx_rgmii_backpressure_dis) ? 0xF : 0;
|
|
if (octeon_has_feature(OCTEON_FEATURE_BGX)) {
|
|
for (port = 0; port < ports; port++) {
|
|
xipdport = cvmx_helper_get_ipd_port(xiface, port);
|
|
cvmx_bgx_set_flowctl_mode(xipdport, qos_proto, qos_mode);
|
|
}
|
|
cvmx_bgx_set_backpressure_override(xiface, bpmask);
|
|
} else {
|
|
cvmx_gmx_set_backpressure_override(interface, bpmask);
|
|
}
|
|
break;
|
|
case CVMX_HELPER_INTERFACE_MODE_AGL:
|
|
bpmask = (cvmx_rgmii_backpressure_dis) ? 0x1 : 0;
|
|
cvmx_agl_set_backpressure_override(interface, bpmask);
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Enable packet input/output from the hardware. This function is
|
|
* called after all internal setup is complete and IPD is enabled.
|
|
* After this function completes, packets will be accepted from the
|
|
* hardware ports. PKO should still be disabled to make sure packets
|
|
* aren't sent out partially setup hardware.
|
|
*
|
|
* @param xiface Interface to enable
|
|
*
|
|
* Return: Zero on success, negative on failure
|
|
*/
|
|
int __cvmx_helper_packet_hardware_enable(int xiface)
|
|
{
|
|
int result = 0;
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
|
|
if (iface_node_ops[xi.node][xi.interface]->enable)
|
|
result = iface_node_ops[xi.node][xi.interface]->enable(xiface);
|
|
|
|
return result;
|
|
}
|
|
|
|
int cvmx_helper_ipd_and_packet_input_enable(void)
|
|
{
|
|
return cvmx_helper_ipd_and_packet_input_enable_node(cvmx_get_node_num());
|
|
}
|
|
|
|
/**
|
|
* Called after all internal packet IO paths are setup. This
|
|
* function enables IPD/PIP and begins packet input and output.
|
|
*
|
|
* Return: Zero on success, negative on failure
|
|
*/
|
|
int cvmx_helper_ipd_and_packet_input_enable_node(int node)
|
|
{
|
|
int num_interfaces;
|
|
int interface;
|
|
int num_ports;
|
|
|
|
if (octeon_has_feature(OCTEON_FEATURE_PKI)) {
|
|
cvmx_helper_pki_enable(node);
|
|
} else {
|
|
/* Enable IPD */
|
|
cvmx_ipd_enable();
|
|
}
|
|
|
|
/*
|
|
* Time to enable hardware ports packet input and output. Note
|
|
* that at this point IPD/PIP must be fully functional and PKO
|
|
* must be disabled .
|
|
*/
|
|
num_interfaces = cvmx_helper_get_number_of_interfaces();
|
|
for (interface = 0; interface < num_interfaces; interface++) {
|
|
int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
|
|
|
|
num_ports = cvmx_helper_ports_on_interface(xiface);
|
|
if (num_ports > 0)
|
|
__cvmx_helper_packet_hardware_enable(xiface);
|
|
}
|
|
|
|
/* Finally enable PKO now that the entire path is up and running */
|
|
/* enable pko */
|
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE))
|
|
; // cvmx_pko_enable_78xx(0); already enabled
|
|
else
|
|
cvmx_pko_enable();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Initialize the PIP, IPD, and PKO hardware to support
|
|
* simple priority based queues for the ethernet ports. Each
|
|
* port is configured with a number of priority queues based
|
|
* on CVMX_PKO_QUEUES_PER_PORT_* where each queue is lower
|
|
* priority than the previous.
|
|
*
|
|
* Return: Zero on success, non-zero on failure
|
|
*/
|
|
int cvmx_helper_initialize_packet_io_node(unsigned int node)
|
|
{
|
|
int result = 0;
|
|
int interface;
|
|
int xiface;
|
|
union cvmx_l2c_cfg l2c_cfg;
|
|
union cvmx_smix_en smix_en;
|
|
const int num_interfaces = cvmx_helper_get_number_of_interfaces();
|
|
|
|
/*
|
|
* Tell L2 to give the IOB statically higher priority compared
|
|
* to the cores. This avoids conditions where IO blocks might
|
|
* be starved under very high L2 loads.
|
|
*/
|
|
if (OCTEON_IS_OCTEON2() || OCTEON_IS_OCTEON3()) {
|
|
union cvmx_l2c_ctl l2c_ctl;
|
|
|
|
l2c_ctl.u64 = csr_rd_node(node, CVMX_L2C_CTL);
|
|
l2c_ctl.s.rsp_arb_mode = 1;
|
|
l2c_ctl.s.xmc_arb_mode = 0;
|
|
csr_wr_node(node, CVMX_L2C_CTL, l2c_ctl.u64);
|
|
} else {
|
|
l2c_cfg.u64 = csr_rd(CVMX_L2C_CFG);
|
|
l2c_cfg.s.lrf_arb_mode = 0;
|
|
l2c_cfg.s.rfb_arb_mode = 0;
|
|
csr_wr(CVMX_L2C_CFG, l2c_cfg.u64);
|
|
}
|
|
|
|
int smi_inf;
|
|
int i;
|
|
|
|
/* Newer chips have more than one SMI/MDIO interface */
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX) || OCTEON_IS_MODEL(OCTEON_CN78XX))
|
|
smi_inf = 4;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN73XX) || OCTEON_IS_MODEL(OCTEON_CNF75XX))
|
|
smi_inf = 2;
|
|
else
|
|
smi_inf = 2;
|
|
|
|
for (i = 0; i < smi_inf; i++) {
|
|
/* Make sure SMI/MDIO is enabled so we can query PHYs */
|
|
smix_en.u64 = csr_rd_node(node, CVMX_SMIX_EN(i));
|
|
if (!smix_en.s.en) {
|
|
smix_en.s.en = 1;
|
|
csr_wr_node(node, CVMX_SMIX_EN(i), smix_en.u64);
|
|
}
|
|
}
|
|
|
|
//vinita_to_do ask it need to be modify for multinode
|
|
__cvmx_helper_init_port_valid();
|
|
|
|
for (interface = 0; interface < num_interfaces; interface++) {
|
|
xiface = cvmx_helper_node_interface_to_xiface(node, interface);
|
|
result |= cvmx_helper_interface_probe(xiface);
|
|
}
|
|
|
|
/* PKO3 init precedes that of interfaces */
|
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
|
|
__cvmx_helper_init_port_config_data(node);
|
|
result = cvmx_helper_pko3_init_global(node);
|
|
} else {
|
|
result = cvmx_helper_pko_init();
|
|
}
|
|
|
|
/* Errata SSO-29000, Disabling power saving SSO conditional clocking */
|
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
|
|
cvmx_sso_ws_cfg_t cfg;
|
|
|
|
cfg.u64 = csr_rd_node(node, CVMX_SSO_WS_CFG);
|
|
cfg.s.sso_cclk_dis = 1;
|
|
csr_wr_node(node, CVMX_SSO_WS_CFG, cfg.u64);
|
|
}
|
|
|
|
if (result < 0)
|
|
return result;
|
|
|
|
for (interface = 0; interface < num_interfaces; interface++) {
|
|
xiface = cvmx_helper_node_interface_to_xiface(node, interface);
|
|
/* Skip invalid/disabled interfaces */
|
|
if (cvmx_helper_ports_on_interface(xiface) <= 0)
|
|
continue;
|
|
debug("Node %d Interface %d has %d ports (%s)\n",
|
|
node, interface,
|
|
cvmx_helper_ports_on_interface(xiface),
|
|
cvmx_helper_interface_mode_to_string(
|
|
cvmx_helper_interface_get_mode(xiface)));
|
|
|
|
result |= __cvmx_helper_ipd_setup_interface(xiface);
|
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE))
|
|
result |= cvmx_helper_pko3_init_interface(xiface);
|
|
else
|
|
result |= __cvmx_helper_interface_setup_pko(interface);
|
|
}
|
|
|
|
if (octeon_has_feature(OCTEON_FEATURE_PKI))
|
|
result |= __cvmx_helper_pki_global_setup(node);
|
|
else
|
|
result |= __cvmx_helper_ipd_global_setup();
|
|
|
|
/* Enable any flow control and backpressure */
|
|
result |= __cvmx_helper_global_setup_backpressure(node);
|
|
|
|
/* export app config if set */
|
|
if (cvmx_export_app_config)
|
|
result |= (*cvmx_export_app_config)();
|
|
|
|
if (cvmx_ipd_cfg.ipd_enable && cvmx_pki_dflt_init[node])
|
|
result |= cvmx_helper_ipd_and_packet_input_enable_node(node);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Initialize the PIP, IPD, and PKO hardware to support
|
|
* simple priority based queues for the ethernet ports. Each
|
|
* port is configured with a number of priority queues based
|
|
* on CVMX_PKO_QUEUES_PER_PORT_* where each queue is lower
|
|
* priority than the previous.
|
|
*
|
|
* Return: Zero on success, non-zero on failure
|
|
*/
|
|
int cvmx_helper_initialize_packet_io_global(void)
|
|
{
|
|
unsigned int node = cvmx_get_node_num();
|
|
|
|
return cvmx_helper_initialize_packet_io_node(node);
|
|
}
|
|
|
|
/**
|
|
* Does core local initialization for packet io
|
|
*
|
|
* Return: Zero on success, non-zero on failure
|
|
*/
|
|
int cvmx_helper_initialize_packet_io_local(void)
|
|
{
|
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE))
|
|
__cvmx_pko3_dq_table_setup();
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct cvmx_buffer_list {
|
|
struct cvmx_buffer_list *next;
|
|
};
|
|
|
|
/**
|
|
* Disables the sending of flow control (pause) frames on the specified
|
|
* GMX port(s).
|
|
*
|
|
* @param interface Which interface (0 or 1)
|
|
* @param port_mask Mask (4bits) of which ports on the interface to disable
|
|
* backpressure on.
|
|
* 1 => disable backpressure
|
|
* 0 => enable backpressure
|
|
*
|
|
* Return: 0 on success
|
|
* -1 on error
|
|
*/
|
|
int cvmx_gmx_set_backpressure_override(u32 interface, uint32_t port_mask)
|
|
{
|
|
union cvmx_gmxx_tx_ovr_bp gmxx_tx_ovr_bp;
|
|
/* Check for valid arguments */
|
|
if (port_mask & ~0xf || interface & ~0x1)
|
|
return -1;
|
|
if (interface >= CVMX_HELPER_MAX_GMX)
|
|
return -1;
|
|
|
|
gmxx_tx_ovr_bp.u64 = 0;
|
|
gmxx_tx_ovr_bp.s.en = port_mask; /* Per port Enable back pressure override */
|
|
gmxx_tx_ovr_bp.s.ign_full = port_mask; /* Ignore the RX FIFO full when computing BP */
|
|
csr_wr(CVMX_GMXX_TX_OVR_BP(interface), gmxx_tx_ovr_bp.u64);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Disables the sending of flow control (pause) frames on the specified
|
|
* AGL (RGMII) port(s).
|
|
*
|
|
* @param interface Which interface (0 or 1)
|
|
* @param port_mask Mask (4bits) of which ports on the interface to disable
|
|
* backpressure on.
|
|
* 1 => disable backpressure
|
|
* 0 => enable backpressure
|
|
*
|
|
* Return: 0 on success
|
|
* -1 on error
|
|
*/
|
|
int cvmx_agl_set_backpressure_override(u32 interface, uint32_t port_mask)
|
|
{
|
|
union cvmx_agl_gmx_tx_ovr_bp agl_gmx_tx_ovr_bp;
|
|
int port = cvmx_helper_agl_get_port(interface);
|
|
|
|
if (port == -1)
|
|
return -1;
|
|
/* Check for valid arguments */
|
|
agl_gmx_tx_ovr_bp.u64 = 0;
|
|
/* Per port Enable back pressure override */
|
|
agl_gmx_tx_ovr_bp.s.en = port_mask;
|
|
/* Ignore the RX FIFO full when computing BP */
|
|
agl_gmx_tx_ovr_bp.s.ign_full = port_mask;
|
|
csr_wr(CVMX_GMXX_TX_OVR_BP(port), agl_gmx_tx_ovr_bp.u64);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Auto configure an IPD/PKO port link state and speed. This
|
|
* function basically does the equivalent of:
|
|
* cvmx_helper_link_set(ipd_port, cvmx_helper_link_get(ipd_port));
|
|
*
|
|
* @param xipd_port IPD/PKO port to auto configure
|
|
*
|
|
* Return: Link state after configure
|
|
*/
|
|
cvmx_helper_link_info_t cvmx_helper_link_autoconf(int xipd_port)
|
|
{
|
|
cvmx_helper_link_info_t link_info;
|
|
int xiface = cvmx_helper_get_interface_num(xipd_port);
|
|
int index = cvmx_helper_get_interface_index_num(xipd_port);
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int interface = xi.interface;
|
|
|
|
if (interface == -1 || index == -1 || index >= cvmx_helper_ports_on_interface(xiface)) {
|
|
link_info.u64 = 0;
|
|
return link_info;
|
|
}
|
|
|
|
link_info = cvmx_helper_link_get(xipd_port);
|
|
if (link_info.u64 == (__cvmx_helper_get_link_info(xiface, index)).u64)
|
|
return link_info;
|
|
|
|
if (!link_info.s.link_up)
|
|
cvmx_error_disable_group(CVMX_ERROR_GROUP_ETHERNET, xipd_port);
|
|
|
|
/* If we fail to set the link speed, port_link_info will not change */
|
|
cvmx_helper_link_set(xipd_port, link_info);
|
|
|
|
if (link_info.s.link_up)
|
|
cvmx_error_enable_group(CVMX_ERROR_GROUP_ETHERNET, xipd_port);
|
|
|
|
return link_info;
|
|
}
|
|
|
|
/**
|
|
* Return the link state of an IPD/PKO port as returned by
|
|
* auto negotiation. The result of this function may not match
|
|
* Octeon's link config if auto negotiation has changed since
|
|
* the last call to cvmx_helper_link_set().
|
|
*
|
|
* @param xipd_port IPD/PKO port to query
|
|
*
|
|
* Return: Link state
|
|
*/
|
|
cvmx_helper_link_info_t cvmx_helper_link_get(int xipd_port)
|
|
{
|
|
cvmx_helper_link_info_t result;
|
|
int xiface = cvmx_helper_get_interface_num(xipd_port);
|
|
int index = cvmx_helper_get_interface_index_num(xipd_port);
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
struct cvmx_fdt_sfp_info *sfp_info;
|
|
|
|
/*
|
|
* The default result will be a down link unless the code
|
|
* below changes it.
|
|
*/
|
|
result.u64 = 0;
|
|
|
|
if (__cvmx_helper_xiface_is_null(xiface) || index == -1 ||
|
|
index >= cvmx_helper_ports_on_interface(xiface)) {
|
|
return result;
|
|
}
|
|
|
|
if (iface_node_ops[xi.node][xi.interface]->link_get)
|
|
result = iface_node_ops[xi.node][xi.interface]->link_get(xipd_port);
|
|
|
|
if (xipd_port >= 0) {
|
|
cvmx_helper_update_link_led(xiface, index, result);
|
|
|
|
sfp_info = cvmx_helper_cfg_get_sfp_info(xiface, index);
|
|
|
|
while (sfp_info) {
|
|
if ((!result.s.link_up || (result.s.link_up && sfp_info->last_mod_abs)))
|
|
cvmx_sfp_check_mod_abs(sfp_info, sfp_info->mod_abs_data);
|
|
sfp_info = sfp_info->next_iface_sfp;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Configure an IPD/PKO port for the specified link state. This
|
|
* function does not influence auto negotiation at the PHY level.
|
|
* The passed link state must always match the link state returned
|
|
* by cvmx_helper_link_get(). It is normally best to use
|
|
* cvmx_helper_link_autoconf() instead.
|
|
*
|
|
* @param xipd_port IPD/PKO port to configure
|
|
* @param link_info The new link state
|
|
*
|
|
* Return: Zero on success, negative on failure
|
|
*/
|
|
int cvmx_helper_link_set(int xipd_port, cvmx_helper_link_info_t link_info)
|
|
{
|
|
int result = -1;
|
|
int xiface = cvmx_helper_get_interface_num(xipd_port);
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int index = cvmx_helper_get_interface_index_num(xipd_port);
|
|
|
|
if (__cvmx_helper_xiface_is_null(xiface) || index == -1 ||
|
|
index >= cvmx_helper_ports_on_interface(xiface))
|
|
return -1;
|
|
|
|
if (iface_node_ops[xi.node][xi.interface]->link_set)
|
|
result = iface_node_ops[xi.node][xi.interface]->link_set(xipd_port, link_info);
|
|
|
|
/*
|
|
* Set the port_link_info here so that the link status is
|
|
* updated no matter how cvmx_helper_link_set is called. We
|
|
* don't change the value if link_set failed.
|
|
*/
|
|
if (result == 0)
|
|
__cvmx_helper_set_link_info(xiface, index, link_info);
|
|
return result;
|
|
}
|
|
|
|
void *cvmx_helper_mem_alloc(int node, uint64_t alloc_size, uint64_t align)
|
|
{
|
|
s64 paddr;
|
|
|
|
paddr = cvmx_bootmem_phy_alloc_range(alloc_size, align, cvmx_addr_on_node(node, 0ull),
|
|
cvmx_addr_on_node(node, 0xffffffffff));
|
|
if (paddr <= 0ll) {
|
|
printf("ERROR: %s failed size %u\n", __func__, (unsigned int)alloc_size);
|
|
return NULL;
|
|
}
|
|
return cvmx_phys_to_ptr(paddr);
|
|
}
|