[PATCH v1 40/50] mips: octeon: Add cvmx-helper.c

11 Dec 2020

From: Aaron Williams awilliams@marvell.com
Import cvmx-helper.c from 2013 U-Boot. It will be used by the later
added drivers to support PCIe and networking on the MIPS Octeon II / III
platforms.
Signed-off-by: Aaron Williams awilliams@marvell.com
Signed-off-by: Stefan Roese sr@denx.de
---
arch/mips/mach-octeon/cvmx-helper.c | 2611 +++++++++++++++++++++++++++
 1 file changed, 2611 insertions(+)
 create mode 100644 arch/mips/mach-octeon/cvmx-helper.c

diff --git a/arch/mips/mach-octeon/cvmx-helper.c b/arch/mips/mach-octeon/cvmx-helper.c
new file mode 100644
index 0000000000..529e03a147
--- /dev/null
+++ b/arch/mips/mach-octeon/cvmx-helper.c
@@ -0,0 +1,2611 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * Helper functions for common, but complicated tasks.
+ */
+
+#include <log.h>
+#include <linux/delay.h>
+
+#include <mach/cvmx-regs.h>
+#include <mach/cvmx-csr.h>
+#include <mach/cvmx-bootmem.h>
+#include <mach/octeon-model.h>
+#include <mach/cvmx-fuse.h>
+#include <mach/octeon-feature.h>
+#include <mach/cvmx-qlm.h>
+#include <mach/octeon_qlm.h>
+#include <mach/cvmx-pcie.h>
+#include <mach/cvmx-coremask.h>
+
+#include <mach/cvmx-agl-defs.h>
+#include <mach/cvmx-asxx-defs.h>
+#include <mach/cvmx-bgxx-defs.h>
+#include <mach/cvmx-dbg-defs.h>
+#include <mach/cvmx-gmxx-defs.h>
+#include <mach/cvmx-gserx-defs.h>
+#include <mach/cvmx-ipd-defs.h>
+#include <mach/cvmx-l2c-defs.h>
+#include <mach/cvmx-npi-defs.h>
+#include <mach/cvmx-pcsx-defs.h>
+#include <mach/cvmx-pexp-defs.h>
+#include <mach/cvmx-pki-defs.h>
+#include <mach/cvmx-pko-defs.h>
+#include <mach/cvmx-smix-defs.h>
+#include <mach/cvmx-sriox-defs.h>
+#include <mach/cvmx-helper.h>
+#include <mach/cvmx-helper-board.h>
+#include <mach/cvmx-helper-fdt.h>
+#include <mach/cvmx-helper-bgx.h>
+#include <mach/cvmx-helper-cfg.h>
+#include <mach/cvmx-helper-ipd.h>
+#include <mach/cvmx-helper-util.h>
+#include <mach/cvmx-helper-pki.h>
+#include <mach/cvmx-helper-pko.h>
+#include <mach/cvmx-helper-pko3.h>
+#include <mach/cvmx-global-resources.h>
+#include <mach/cvmx-pko-internal-ports-range.h>
+#include <mach/cvmx-pko3-queue.h>
+#include <mach/cvmx-gmx.h>
+#include <mach/cvmx-hwpko.h>
+#include <mach/cvmx-ilk.h>
+#include <mach/cvmx-ipd.h>
+#include <mach/cvmx-pip.h>
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by an interface.
+ *
+ * @param mode		Interface mode.
+ *
+ * @param enumerate	Method the get number of interface ports.
+ *
+ * @param probe		Method to probe an interface to get the number of
+ *			connected ports.
+ *
+ * @param enable	Method to enable an interface
+ *
+ * @param link_get	Method to get the state of an interface link.
+ *
+ * @param link_set	Method to configure an interface link to the specified
+ *			state.
+ *
+ * @param loopback	Method to configure a port in loopback.
+ */
+struct iface_ops {
+	cvmx_helper_interface_mode_t mode;
+	int (*enumerate)(int xiface);
+	int (*probe)(int xiface);
+	int (*enable)(int xiface);
+	cvmx_helper_link_info_t (*link_get)(int ipd_port);
+	int (*link_set)(int ipd_port, cvmx_helper_link_info_t link_info);
+	int (*loopback)(int ipd_port, int en_in, int en_ex);
+};
+
+/**
+ * @INTERNAL
+ * This structure is used by disabled interfaces.
+ */
+static const struct iface_ops iface_ops_dis = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_DISABLED,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as gmii.
+ */
+static const struct iface_ops iface_ops_gmii = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_GMII,
+	.enumerate = __cvmx_helper_rgmii_probe,
+	.probe = __cvmx_helper_rgmii_probe,
+	.enable = __cvmx_helper_rgmii_enable,
+	.link_get = __cvmx_helper_gmii_link_get,
+	.link_set = __cvmx_helper_rgmii_link_set,
+	.loopback = __cvmx_helper_rgmii_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as rgmii.
+ */
+static const struct iface_ops iface_ops_rgmii = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_RGMII,
+	.enumerate = __cvmx_helper_rgmii_probe,
+	.probe = __cvmx_helper_rgmii_probe,
+	.enable = __cvmx_helper_rgmii_enable,
+	.link_get = __cvmx_helper_rgmii_link_get,
+	.link_set = __cvmx_helper_rgmii_link_set,
+	.loopback = __cvmx_helper_rgmii_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as sgmii that use the gmx mac.
+ */
+static const struct iface_ops iface_ops_sgmii = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_SGMII,
+	.enumerate = __cvmx_helper_sgmii_enumerate,
+	.probe = __cvmx_helper_sgmii_probe,
+	.enable = __cvmx_helper_sgmii_enable,
+	.link_get = __cvmx_helper_sgmii_link_get,
+	.link_set = __cvmx_helper_sgmii_link_set,
+	.loopback = __cvmx_helper_sgmii_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as sgmii that use the bgx mac.
+ */
+static const struct iface_ops iface_ops_bgx_sgmii = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_SGMII,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_sgmii_enable,
+	.link_get = __cvmx_helper_bgx_sgmii_link_get,
+	.link_set = __cvmx_helper_bgx_sgmii_link_set,
+	.loopback = __cvmx_helper_bgx_sgmii_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as qsgmii.
+ */
+static const struct iface_ops iface_ops_qsgmii = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_QSGMII,
+	.enumerate = __cvmx_helper_sgmii_enumerate,
+	.probe = __cvmx_helper_sgmii_probe,
+	.enable = __cvmx_helper_sgmii_enable,
+	.link_get = __cvmx_helper_sgmii_link_get,
+	.link_set = __cvmx_helper_sgmii_link_set,
+	.loopback = __cvmx_helper_sgmii_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as xaui using the gmx mac.
+ */
+static const struct iface_ops iface_ops_xaui = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_XAUI,
+	.enumerate = __cvmx_helper_xaui_enumerate,
+	.probe = __cvmx_helper_xaui_probe,
+	.enable = __cvmx_helper_xaui_enable,
+	.link_get = __cvmx_helper_xaui_link_get,
+	.link_set = __cvmx_helper_xaui_link_set,
+	.loopback = __cvmx_helper_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as xaui using the gmx mac.
+ */
+static const struct iface_ops iface_ops_bgx_xaui = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_XAUI,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as rxaui.
+ */
+static const struct iface_ops iface_ops_rxaui = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_RXAUI,
+	.enumerate = __cvmx_helper_xaui_enumerate,
+	.probe = __cvmx_helper_xaui_probe,
+	.enable = __cvmx_helper_xaui_enable,
+	.link_get = __cvmx_helper_xaui_link_get,
+	.link_set = __cvmx_helper_xaui_link_set,
+	.loopback = __cvmx_helper_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as xaui using the gmx mac.
+ */
+static const struct iface_ops iface_ops_bgx_rxaui = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_RXAUI,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as xlaui.
+ */
+static const struct iface_ops iface_ops_bgx_xlaui = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_XLAUI,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as xfi.
+ */
+static const struct iface_ops iface_ops_bgx_xfi = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_XFI,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+static const struct iface_ops iface_ops_bgx_10G_KR = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_10G_KR,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+static const struct iface_ops iface_ops_bgx_40G_KR4 = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_40G_KR4,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_xaui_enable,
+	.link_get = __cvmx_helper_bgx_xaui_link_get,
+	.link_set = __cvmx_helper_bgx_xaui_link_set,
+	.loopback = __cvmx_helper_bgx_xaui_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as ilk.
+ */
+static const struct iface_ops iface_ops_ilk = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_ILK,
+	.enumerate = __cvmx_helper_ilk_enumerate,
+	.probe = __cvmx_helper_ilk_probe,
+	.enable = __cvmx_helper_ilk_enable,
+	.link_get = __cvmx_helper_ilk_link_get,
+	.link_set = __cvmx_helper_ilk_link_set,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as npi.
+ */
+static const struct iface_ops iface_ops_npi = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_NPI,
+	.enumerate = __cvmx_helper_npi_probe,
+	.probe = __cvmx_helper_npi_probe,
+	.enable = __cvmx_helper_npi_enable,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as srio.
+ */
+static const struct iface_ops iface_ops_srio = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_SRIO,
+	.enumerate = __cvmx_helper_srio_probe,
+	.probe = __cvmx_helper_srio_probe,
+	.enable = __cvmx_helper_srio_enable,
+	.link_get = __cvmx_helper_srio_link_get,
+	.link_set = __cvmx_helper_srio_link_set,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as agl.
+ */
+static const struct iface_ops iface_ops_agl = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_AGL,
+	.enumerate = __cvmx_helper_agl_enumerate,
+	.probe = __cvmx_helper_agl_probe,
+	.enable = __cvmx_helper_agl_enable,
+	.link_get = __cvmx_helper_agl_link_get,
+	.link_set = __cvmx_helper_agl_link_set,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as mixed mode, some ports are sgmii and some are xfi.
+ */
+static const struct iface_ops iface_ops_bgx_mixed = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_MIXED,
+	.enumerate = __cvmx_helper_bgx_enumerate,
+	.probe = __cvmx_helper_bgx_probe,
+	.enable = __cvmx_helper_bgx_mixed_enable,
+	.link_get = __cvmx_helper_bgx_mixed_link_get,
+	.link_set = __cvmx_helper_bgx_mixed_link_set,
+	.loopback = __cvmx_helper_bgx_mixed_configure_loopback,
+};
+
+/**
+ * @INTERNAL
+ * This structure specifies the interface methods used by interfaces
+ * configured as loop.
+ */
+static const struct iface_ops iface_ops_loop = {
+	.mode = CVMX_HELPER_INTERFACE_MODE_LOOP,
+	.enumerate = __cvmx_helper_loop_enumerate,
+	.probe = __cvmx_helper_loop_probe,
+};
+
+const struct iface_ops *iface_node_ops[CVMX_MAX_NODES][CVMX_HELPER_MAX_IFACE];
+#define iface_ops iface_node_ops[0]
+
+struct cvmx_iface {
+	int cvif_ipd_nports;
+	int cvif_has_fcs; /* PKO fcs for this interface. */
+	enum cvmx_pko_padding cvif_padding;
+	cvmx_helper_link_info_t *cvif_ipd_port_link_info;
+};
+
+/*
+ * This has to be static as u-boot expects to probe an interface and
+ * gets the number of its ports.
+ */
+static struct cvmx_iface cvmx_interfaces[CVMX_MAX_NODES][CVMX_HELPER_MAX_IFACE];
+
+int __cvmx_helper_get_num_ipd_ports(int xiface)
+{
+	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];
+	return piface->cvif_ipd_nports;
+}
+
+enum cvmx_pko_padding __cvmx_helper_get_pko_padding(int xiface)
+{
+	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 CVMX_PKO_PADDING_NONE;
+
+	piface = &cvmx_interfaces[xi.node][xi.interface];
+	return piface->cvif_padding;
+}
+
+int __cvmx_helper_init_interface(int xiface, int num_ipd_ports, int has_fcs,
+				 enum cvmx_pko_padding pad)
+{
+	struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
+	struct cvmx_iface *piface;
+	cvmx_helper_link_info_t *p;
+	int i;
+	int sz;
+	u64 addr;
+	char name[32];
+
+	if (xi.interface >= cvmx_helper_get_number_of_interfaces())
+		return -1;
+
+	piface = &cvmx_interfaces[xi.node][xi.interface];
+	piface->cvif_ipd_nports = num_ipd_ports;
+	piface->cvif_padding = pad;
+
+	piface->cvif_has_fcs = has_fcs;
+
+	/*
+	 * allocate the per-ipd_port link_info structure
+	 */
+	sz = piface->cvif_ipd_nports * sizeof(cvmx_helper_link_info_t);
+	snprintf(name, sizeof(name), "__int_%d_link_info", xi.interface);
+	addr = CAST64(cvmx_bootmem_alloc_named_range_once(sz, 0, 0,
+							  __alignof(cvmx_helper_link_info_t),
+							  name, NULL));
+	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;
+}
+
+/*
+ * Shut down the interfaces; free the resources.
+ * @INTERNAL
+ */
+void __cvmx_helper_shutdown_interfaces_node(unsigned int node)
+{
+	int i;
+	int nifaces; /* number of interfaces */
+	struct cvmx_iface *piface;
+
+	nifaces = cvmx_helper_get_number_of_interfaces();
+	for (i = 0; i < nifaces; i++) {
+		piface = &cvmx_interfaces[node][i];
+
+		/*
+		 * For SE apps, bootmem was meant to be allocated and never
+		 * freed.
+		 */
+		piface->cvif_ipd_port_link_info = 0;
+	}
+}
+
+void __cvmx_helper_shutdown_interfaces(void)
+{
+	unsigned int node = cvmx_get_node_num();
+
+	__cvmx_helper_shutdown_interfaces_node(node);
+}
+
+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;
+
+void cvmx_rgmii_set_back_pressure(uint64_t backpressure_dis)
+{
+	cvmx_rgmii_backpressure_dis = backpressure_dis;
+}
+
+/*
+ * 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_iface_phy_mode(int interface, int index) is a function pointer.
+ * It is meant to allow customization of interfaces which do not have a PHY.
+ *
+ * @returns 0 if MAC decides TX_CONFIG_REG or 1 if PHY decides  TX_CONFIG_REG.
+ *
+ * If this function pointer is NULL then it defaults to the MAC.
+ */
+int (*cvmx_override_iface_phy_mode)(int interface, int index);
+
+/**
+ * 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 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)) {
+		cvmx_sriox_status_reg_t sriox_status_reg;
+		int srio_port = interface - 1;
+
+		sriox_status_reg.u64 = csr_rd(CVMX_SRIOX_STATUS_REG(srio_port));
+
+		if (sriox_status_reg.s.srio)
+			iface_ops[interface] = &iface_ops_srio;
+		else
+			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 */
+		union cvmx_sriox_status_reg sriox_status_reg;
+
+		/* 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 {
+			sriox_status_reg.u64 =
+				csr_rd(CVMX_SRIOX_STATUS_REG(interface - 4));
+			if (sriox_status_reg.s.srio)
+				iface_ops[interface] = &iface_ops_srio;
+			else
+				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
+ * Verify the per port IPD backpressure is aligned properly.
+ * @return Zero if working, non zero if misaligned
+ */
+int __cvmx_helper_backpressure_is_misaligned(void)
+{
+	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);
+	result |= __cvmx_helper_board_hardware_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;
+		printf("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;
+}
+
+/**
+ * Helper function for global packet IO shutdown
+ */
+int cvmx_helper_shutdown_packet_io_global_cn78xx(int node)
+{
+	int num_interfaces = cvmx_helper_get_number_of_interfaces();
+	cvmx_wqe_t *work;
+	int interface;
+	int result = 0;
+
+	/* Shut down all interfaces and disable TX and RX on all ports */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
+		int index;
+		int num_ports = cvmx_helper_ports_on_interface(xiface);
+
+		if (num_ports > 4)
+			num_ports = 4;
+
+		cvmx_bgx_set_backpressure_override(xiface, 0);
+		for (index = 0; index < num_ports; index++) {
+			cvmx_helper_link_info_t link_info;
+
+			if (!cvmx_helper_is_port_valid(xiface, index))
+				continue;
+
+			cvmx_helper_bgx_shutdown_port(xiface, index);
+
+			/* Turn off link LEDs */
+			link_info.u64 = 0;
+			cvmx_helper_update_link_led(xiface, index, link_info);
+		}
+	}
+
+	/* Stop input first */
+	cvmx_helper_pki_shutdown(node);
+
+	/* Retrieve all packets from the SSO and free them */
+	result = 0;
+	while ((work = cvmx_pow_work_request_sync(CVMX_POW_WAIT))) {
+		cvmx_helper_free_pki_pkt_data(work);
+		cvmx_wqe_pki_free(work);
+		result++;
+	}
+
+	if (result > 0)
+		debug("%s: Purged %d packets from SSO\n", __func__, result);
+
+	/*
+	 * No need to wait for PKO queues to drain,
+	 * dq_close() drains the queues to NULL.
+	 */
+
+	/* Shutdown PKO interfaces */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
+
+		cvmx_helper_pko3_shut_interface(xiface);
+	}
+
+	/* Disable MAC address filtering */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
+
+		switch (cvmx_helper_interface_get_mode(xiface)) {
+		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_SGMII:
+		case CVMX_HELPER_INTERFACE_MODE_MIXED: {
+			int index;
+			int num_ports = cvmx_helper_ports_on_interface(xiface);
+
+			for (index = 0; index < num_ports; index++) {
+				if (!cvmx_helper_is_port_valid(xiface, index))
+					continue;
+
+				/* Reset MAC filtering */
+				cvmx_helper_bgx_rx_adr_ctl(node, interface, index, 0, 0, 0);
+			}
+			break;
+		}
+		default:
+			break;
+		}
+	}
+
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int index;
+		int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
+		int num_ports = cvmx_helper_ports_on_interface(xiface);
+
+		for (index = 0; index < num_ports; index++) {
+			/* Doing this twice should clear it since no packets
+			 * can be received.
+			 */
+			cvmx_update_rx_activity_led(xiface, index, false);
+			cvmx_update_rx_activity_led(xiface, index, false);
+		}
+	}
+
+	/* Shutdown the PKO unit */
+	result = cvmx_helper_pko3_shutdown(node);
+
+	/* Release interface structures */
+	__cvmx_helper_shutdown_interfaces();
+
+	return result;
+}
+
+/**
+ * Undo the initialization performed in
+ * cvmx_helper_initialize_packet_io_global(). After calling this routine and the
+ * local version on each core, packet IO for Octeon will be disabled and placed
+ * in the initial reset state. It will then be safe to call the initialize
+ * later on. Note that this routine does not empty the FPA pools. It frees all
+ * buffers used by the packet IO hardware to the FPA so a function emptying the
+ * FPA after shutdown should find all packet buffers in the FPA.
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_helper_shutdown_packet_io_global(void)
+{
+	const int timeout = 5; /* Wait up to 5 seconds for timeouts */
+	int result = 0;
+	int num_interfaces = cvmx_helper_get_number_of_interfaces();
+	int interface;
+	int num_ports;
+	int index;
+	struct cvmx_buffer_list *pool0_buffers;
+	struct cvmx_buffer_list *pool0_buffers_tail;
+	cvmx_wqe_t *work;
+	union cvmx_ipd_ctl_status ipd_ctl_status;
+	int wqe_pool = (int)cvmx_fpa_get_wqe_pool();
+	int node = cvmx_get_node_num();
+	cvmx_pcsx_mrx_control_reg_t control_reg;
+
+	if (octeon_has_feature(OCTEON_FEATURE_BGX))
+		return cvmx_helper_shutdown_packet_io_global_cn78xx(node);
+
+	/* Step 1: Disable all backpressure */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		cvmx_helper_interface_mode_t mode =
+			cvmx_helper_interface_get_mode(interface);
+
+		if (mode == CVMX_HELPER_INTERFACE_MODE_AGL)
+			cvmx_agl_set_backpressure_override(interface, 0x1);
+		else if (mode != CVMX_HELPER_INTERFACE_MODE_DISABLED)
+			cvmx_gmx_set_backpressure_override(interface, 0xf);
+	}
+
+	/* Step 2: Wait for the PKO queues to drain */
+	result = __cvmx_helper_pko_drain();
+	if (result < 0) {
+		debug("WARNING: %s: Failed to drain some PKO queues\n",
+		      __func__);
+	}
+
+	/* Step 3: Disable TX and RX on all ports */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int xiface = cvmx_helper_node_interface_to_xiface(node,
+								  interface);
+
+		switch (cvmx_helper_interface_get_mode(interface)) {
+		case CVMX_HELPER_INTERFACE_MODE_DISABLED:
+		case CVMX_HELPER_INTERFACE_MODE_PCIE:
+			/* Not a packet interface */
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_NPI:
+		case CVMX_HELPER_INTERFACE_MODE_SRIO:
+		case CVMX_HELPER_INTERFACE_MODE_ILK:
+			/*
+			 * We don't handle the NPI/NPEI/SRIO packet
+			 * engines. The caller must know these are
+			 * idle.
+			 */
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_LOOP:
+			/*
+			 * Nothing needed. Once PKO is idle, the
+			 * loopback devices must be idle.
+			 */
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_SPI:
+			/*
+			 * SPI cannot be disabled from Octeon. It is
+			 * the responsibility of the caller to make
+			 * sure SPI is idle before doing shutdown.
+			 *
+			 * Fall through and do the same processing as
+			 * RGMII/GMII.
+			 */
+			fallthrough;
+		case CVMX_HELPER_INTERFACE_MODE_GMII:
+		case CVMX_HELPER_INTERFACE_MODE_RGMII:
+			/* Disable outermost RX at the ASX block */
+			csr_wr(CVMX_ASXX_RX_PRT_EN(interface), 0);
+			num_ports = cvmx_helper_ports_on_interface(xiface);
+			if (num_ports > 4)
+				num_ports = 4;
+			for (index = 0; index < num_ports; index++) {
+				union cvmx_gmxx_prtx_cfg gmx_cfg;
+
+				if (!cvmx_helper_is_port_valid(interface, index))
+					continue;
+				gmx_cfg.u64 = csr_rd(CVMX_GMXX_PRTX_CFG(index, interface));
+				gmx_cfg.s.en = 0;
+				csr_wr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
+				/* Poll the GMX state machine waiting for it to become idle */
+				csr_wr(CVMX_NPI_DBG_SELECT,
+				       interface * 0x800 + index * 0x100 + 0x880);
+				if (CVMX_WAIT_FOR_FIELD64(CVMX_DBG_DATA, union cvmx_dbg_data,
+							  data & 7, ==, 0, timeout * 1000000)) {
+					debug("GMX RX path timeout waiting for idle\n");
+					result = -1;
+				}
+				if (CVMX_WAIT_FOR_FIELD64(CVMX_DBG_DATA, union cvmx_dbg_data,
+							  data & 0xf, ==, 0, timeout * 1000000)) {
+					debug("GMX TX path timeout waiting for idle\n");
+					result = -1;
+				}
+			}
+			/* Disable outermost TX at the ASX block */
+			csr_wr(CVMX_ASXX_TX_PRT_EN(interface), 0);
+			/* Disable interrupts for interface */
+			csr_wr(CVMX_ASXX_INT_EN(interface), 0);
+			csr_wr(CVMX_GMXX_TX_INT_EN(interface), 0);
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_XAUI:
+		case CVMX_HELPER_INTERFACE_MODE_RXAUI:
+		case CVMX_HELPER_INTERFACE_MODE_SGMII:
+		case CVMX_HELPER_INTERFACE_MODE_QSGMII:
+		case CVMX_HELPER_INTERFACE_MODE_PICMG:
+			num_ports = cvmx_helper_ports_on_interface(xiface);
+			if (num_ports > 4)
+				num_ports = 4;
+			for (index = 0; index < num_ports; index++) {
+				union cvmx_gmxx_prtx_cfg gmx_cfg;
+
+				if (!cvmx_helper_is_port_valid(interface, index))
+					continue;
+				gmx_cfg.u64 = csr_rd(CVMX_GMXX_PRTX_CFG(index, interface));
+				gmx_cfg.s.en = 0;
+				csr_wr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
+				if (CVMX_WAIT_FOR_FIELD64(CVMX_GMXX_PRTX_CFG(index, interface),
+							  union cvmx_gmxx_prtx_cfg, rx_idle, ==, 1,
+							  timeout * 1000000)) {
+					debug("GMX RX path timeout waiting for idle\n");
+					result = -1;
+				}
+				if (CVMX_WAIT_FOR_FIELD64(CVMX_GMXX_PRTX_CFG(index, interface),
+							  union cvmx_gmxx_prtx_cfg, tx_idle, ==, 1,
+							  timeout * 1000000)) {
+					debug("GMX TX path timeout waiting for idle\n");
+					result = -1;
+				}
+				/* For SGMII some PHYs require that the PCS
+				 * interface be powered down and reset (i.e.
+				 * Atheros/Qualcomm PHYs).
+				 */
+				if (cvmx_helper_interface_get_mode(interface) ==
+				    CVMX_HELPER_INTERFACE_MODE_SGMII) {
+					u64 reg;
+
+					reg = CVMX_PCSX_MRX_CONTROL_REG(index, interface);
+					/* Power down the interface */
+					control_reg.u64 = csr_rd(reg);
+					control_reg.s.pwr_dn = 1;
+					csr_wr(reg, control_reg.u64);
+					csr_rd(reg);
+				}
+			}
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_AGL: {
+			int port = cvmx_helper_agl_get_port(interface);
+			union cvmx_agl_gmx_prtx_cfg agl_gmx_cfg;
+
+			agl_gmx_cfg.u64 = csr_rd(CVMX_AGL_GMX_PRTX_CFG(port));
+			agl_gmx_cfg.s.en = 0;
+			csr_wr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_cfg.u64);
+			if (CVMX_WAIT_FOR_FIELD64(CVMX_AGL_GMX_PRTX_CFG(port),
+						  union cvmx_agl_gmx_prtx_cfg, rx_idle, ==, 1,
+						  timeout * 1000000)) {
+				debug("AGL RX path timeout waiting for idle\n");
+				result = -1;
+			}
+			if (CVMX_WAIT_FOR_FIELD64(CVMX_AGL_GMX_PRTX_CFG(port),
+						  union cvmx_agl_gmx_prtx_cfg, tx_idle, ==, 1,
+						  timeout * 1000000)) {
+				debug("AGL TX path timeout waiting for idle\n");
+				result = -1;
+			}
+		} break;
+		default:
+			break;
+		}
+	}
+
+	/* Step 4: Retrieve all packets from the POW and free them */
+	while ((work = cvmx_pow_work_request_sync(CVMX_POW_WAIT))) {
+		cvmx_helper_free_packet_data(work);
+		cvmx_fpa1_free(work, wqe_pool, 0);
+	}
+
+	/* Step 5 */
+	cvmx_ipd_disable();
+
+	/*
+	 * Step 6: Drain all prefetched buffers from IPD/PIP. Note that IPD/PIP
+	 * have not been reset yet
+	 */
+	__cvmx_ipd_free_ptr();
+
+	/* Step 7: Free the PKO command buffers and put PKO in reset */
+	cvmx_pko_shutdown();
+
+	/* Step 8: Disable MAC address filtering */
+	for (interface = 0; interface < num_interfaces; interface++) {
+		int xiface = cvmx_helper_node_interface_to_xiface(node, interface);
+
+		switch (cvmx_helper_interface_get_mode(interface)) {
+		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_LOOP:
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_XAUI:
+		case CVMX_HELPER_INTERFACE_MODE_RXAUI:
+		case CVMX_HELPER_INTERFACE_MODE_GMII:
+		case CVMX_HELPER_INTERFACE_MODE_RGMII:
+		case CVMX_HELPER_INTERFACE_MODE_SPI:
+		case CVMX_HELPER_INTERFACE_MODE_SGMII:
+		case CVMX_HELPER_INTERFACE_MODE_QSGMII:
+		case CVMX_HELPER_INTERFACE_MODE_PICMG:
+			num_ports = cvmx_helper_ports_on_interface(xiface);
+			if (num_ports > 4)
+				num_ports = 4;
+			for (index = 0; index < num_ports; index++) {
+				if (!cvmx_helper_is_port_valid(interface, index))
+					continue;
+				csr_wr(CVMX_GMXX_RXX_ADR_CTL(index, interface), 1);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM_EN(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), 0);
+				csr_wr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), 0);
+			}
+			break;
+		case CVMX_HELPER_INTERFACE_MODE_AGL: {
+			int port = cvmx_helper_agl_get_port(interface);
+
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CTL(port), 1);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM_EN(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM0(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM1(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM2(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM3(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM4(port), 0);
+			csr_wr(CVMX_AGL_GMX_RXX_ADR_CAM5(port), 0);
+		} break;
+		default:
+			break;
+		}
+	}
+
+	/*
+	 * Step 9: Drain all FPA buffers out of pool 0 before we reset
+	 * IPD/PIP.  This is needed to keep IPD_QUE0_FREE_PAGE_CNT in
+	 * sync. We temporarily keep the buffers in the pool0_buffers
+	 * list.
+	 */
+	pool0_buffers = NULL;
+	pool0_buffers_tail = NULL;
+	while (1) {
+		struct cvmx_buffer_list *buffer = cvmx_fpa1_alloc(0);
+
+		if (buffer) {
+			buffer->next = NULL;
+
+			if (!pool0_buffers)
+				pool0_buffers = buffer;
+			else
+				pool0_buffers_tail->next = buffer;
+
+			pool0_buffers_tail = buffer;
+		} else {
+			break;
+		}
+	}
+
+	/* Step 10: Reset IPD and PIP */
+	ipd_ctl_status.u64 = csr_rd(CVMX_IPD_CTL_STATUS);
+	ipd_ctl_status.s.reset = 1;
+	csr_wr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64);
+
+	/* Make sure IPD has finished reset. */
+	if (OCTEON_IS_OCTEON2() || OCTEON_IS_MODEL(OCTEON_CN70XX)) {
+		if (CVMX_WAIT_FOR_FIELD64(CVMX_IPD_CTL_STATUS, union cvmx_ipd_ctl_status, rst_done,
+					  ==, 0, 1000)) {
+			debug("IPD reset timeout waiting for idle\n");
+			result = -1;
+		}
+	}
+
+	/* Step 11: Restore the FPA buffers into pool 0 */
+	while (pool0_buffers) {
+		struct cvmx_buffer_list *n = pool0_buffers->next;
+
+		cvmx_fpa1_free(pool0_buffers, 0, 0);
+		pool0_buffers = n;
+	}
+
+	/* Step 12: Release interface structures */
+	__cvmx_helper_shutdown_interfaces();
+
+	return result;
+}
+
+/**
+ * Does core local shutdown of packet io
+ *
+ * @return Zero on success, non-zero on failure
+ */
+int cvmx_helper_shutdown_packet_io_local(void)
+{
+	/*
+	 * Currently there is nothing to do per core. This may change
+	 * in the future.
+	 */
+	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;
+}
+
+/**
+ * Configure a port for internal and/or external loopback. Internal loopback
+ * causes packets sent by the port to be received by Octeon. External loopback
+ * causes packets received from the wire to sent out again.
+ *
+ * @param xipd_port IPD/PKO port to loopback.
+ * @param enable_internal
+ *                 Non zero if you want internal loopback
+ * @param enable_external
+ *                 Non zero if you want external loopback
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_helper_configure_loopback(int xipd_port, int enable_internal, int enable_external)
+{
+	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 (index >= cvmx_helper_ports_on_interface(xiface))
+		return -1;
+
+	cvmx_helper_interface_get_mode(xiface);
+	if (iface_node_ops[xi.node][xi.interface]->loopback)
+		result = iface_node_ops[xi.node][xi.interface]->loopback(xipd_port, enable_internal,
+									 enable_external);
+
+	return result;
+}
+
+void cvmx_helper_setup_simulator_io_buffer_counts(int node, int num_packet_buffers, int pko_buffers)
+{
+	if (octeon_has_feature(OCTEON_FEATURE_PKI)) {
+		cvmx_helper_pki_set_dflt_pool_buffer(node, num_packet_buffers);
+		cvmx_helper_pki_set_dflt_aura_buffer(node, num_packet_buffers);
+
+	} else {
+		cvmx_ipd_set_packet_pool_buffer_count(num_packet_buffers);
+		cvmx_ipd_set_wqe_pool_buffer_count(num_packet_buffers);
+		cvmx_pko_set_cmd_queue_pool_buffer_count(pko_buffers);
+	}
+}
+
+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);
+}
+
+void cvmx_helper_mem_free(void *buffer, uint64_t size)
+{
+	__cvmx_bootmem_phy_free(cvmx_ptr_to_phys(buffer), size, 0);
+}
+
+int cvmx_helper_qos_config_init(cvmx_qos_proto_t qos_proto, cvmx_qos_config_t *qos_cfg)
+{
+	int i;
+
+	memset(qos_cfg, 0, sizeof(cvmx_qos_config_t));
+	qos_cfg->pkt_mode = CVMX_QOS_PKT_MODE_HWONLY; /* Process PAUSEs in hardware only.*/
+	qos_cfg->pool_mode = CVMX_QOS_POOL_PER_PORT;  /* One Pool per BGX:LMAC.*/
+	qos_cfg->pktbuf_size = 2048;		      /* Fit WQE + MTU in one buffer.*/
+	qos_cfg->aura_size = 1024;	/* 1K buffers typically enough for any application.*/
+	qos_cfg->pko_pfc_en = 1;	/* Enable PKO layout for PFC feature. */
+	qos_cfg->vlan_num = 1;		/* For Stacked VLAN, use 2nd VLAN in the QPG algorithm.*/
+	qos_cfg->qos_proto = qos_proto; /* Use PFC flow-control protocol.*/
+	qos_cfg->qpg_base = -1;		/* QPG Table index is undefined.*/
+	qos_cfg->p_time = 0x60;		/* PAUSE packets time window.*/
+	qos_cfg->p_interval = 0x10;	/* PAUSE packets interval.*/
+	for (i = 0; i < CVMX_QOS_NUM; i++) {
+		qos_cfg->groups[i] = i;	      /* SSO Groups = 0...7 */
+		qos_cfg->group_prio[i] = i;   /* SSO Group priority = QOS. */
+		qos_cfg->drop_thresh[i] = 99; /* 99% of the Aura size.*/
+		qos_cfg->red_thresh[i] = 90;  /* 90% of the Aura size.*/
+		qos_cfg->bp_thresh[i] = 70;   /* 70% of the Aura size.*/
+	}
+	return 0;
+}
+
+int cvmx_helper_qos_port_config_update(int xipdport, cvmx_qos_config_t *qos_cfg)
+{
+	cvmx_user_static_pko_queue_config_t pkocfg;
+	cvmx_xport_t xp = cvmx_helper_ipd_port_to_xport(xipdport);
+	int xiface = cvmx_helper_get_interface_num(xipdport);
+	cvmx_xiface_t xi = cvmx_helper_xiface_to_node_interface(xiface);
+
+	/* Configure PKO port for PFC SQ layout: */
+	cvmx_helper_pko_queue_config_get(xp.node, &pkocfg);
+	pkocfg.pknd.pko_cfg_iface[xi.interface].pfc_enable = 1;
+	cvmx_helper_pko_queue_config_set(xp.node, &pkocfg);
+	return 0;
+}
+
+int cvmx_helper_qos_port_setup(int xipdport, cvmx_qos_config_t *qos_cfg)
+{
+	const int channles = CVMX_QOS_NUM;
+	int bufsize = qos_cfg->pktbuf_size;
+	int aura_size = qos_cfg->aura_size;
+	cvmx_xport_t xp = cvmx_helper_ipd_port_to_xport(xipdport);
+	int node = xp.node;
+	int ipdport = xp.port;
+	int port = cvmx_helper_get_interface_index_num(xp.port);
+	int xiface = cvmx_helper_get_interface_num(xipdport);
+	cvmx_xiface_t xi = cvmx_helper_xiface_to_node_interface(xiface);
+	cvmx_fpa3_pool_t gpool;
+	cvmx_fpa3_gaura_t gaura;
+	cvmx_bgxx_cmr_rx_ovr_bp_t ovrbp;
+	struct cvmx_pki_qpg_config qpgcfg;
+	struct cvmx_pki_style_config stcfg, stcfg_dflt;
+	struct cvmx_pki_pkind_config pkcfg;
+	int chan, bpid, group, qpg;
+	int bpen, reden, dropen, passthr, dropthr, bpthr;
+	int nbufs, pkind, style;
+	char name[32];
+
+	if (qos_cfg->pool_mode == CVMX_QOS_POOL_PER_PORT) {
+		/* Allocate and setup packet Pool: */
+		nbufs = aura_size * channles;
+		sprintf(name, "QOS.P%d", ipdport);
+		gpool = cvmx_fpa3_setup_fill_pool(node, -1 /*auto*/, name, bufsize, nbufs, NULL);
+		if (!__cvmx_fpa3_pool_valid(gpool)) {
+			printf("%s: Failed to setup FPA Pool\n", __func__);
+			return -1;
+		}
+		for (chan = 0; chan < channles; chan++)
+			qos_cfg->gpools[chan] = gpool;
+	} else {
+		printf("%s: Invalid pool_mode %d\n", __func__, qos_cfg->pool_mode);
+		return -1;
+	}
+	/* Allocate QPG entries: */
+	qos_cfg->qpg_base = cvmx_pki_qpg_entry_alloc(node, -1 /*auto*/, channles);
+	if (qos_cfg->qpg_base < 0) {
+		printf("%s: Failed to allocate QPG entry\n", __func__);
+		return -1;
+	}
+	for (chan = 0; chan < channles; chan++) {
+		/* Allocate and setup Aura, setup BP threshold: */
+		gpool = qos_cfg->gpools[chan];
+		sprintf(name, "QOS.A%d", ipdport + chan);
+		gaura = cvmx_fpa3_set_aura_for_pool(gpool, -1 /*auto*/, name, bufsize, aura_size);
+		if (!__cvmx_fpa3_aura_valid(gaura)) {
+			printf("%s: Failed to setup FPA Aura for Channel %d\n", __func__, chan);
+			return -1;
+		}
+		qos_cfg->gauras[chan] = gaura;
+		bpen = 1;
+		reden = 1;
+		dropen = 1;
+		dropthr = (qos_cfg->drop_thresh[chan] * 10 * aura_size) / 1000;
+		passthr = (qos_cfg->red_thresh[chan] * 10 * aura_size) / 1000;
+		bpthr = (qos_cfg->bp_thresh[chan] * 10 * aura_size) / 1000;
+		cvmx_fpa3_setup_aura_qos(gaura, reden, passthr, dropthr, bpen, bpthr);
+		cvmx_pki_enable_aura_qos(node, gaura.laura, reden, dropen, bpen);
+
+		/* Allocate BPID, link Aura and Channel using BPID: */
+		bpid = cvmx_pki_bpid_alloc(node, -1 /*auto*/);
+		if (bpid < 0) {
+			printf("%s: Failed to allocate BPID for channel %d\n",
+			       __func__, chan);
+			return -1;
+		}
+		qos_cfg->bpids[chan] = bpid;
+		cvmx_pki_write_aura_bpid(node, gaura.laura, bpid);
+		cvmx_pki_write_channel_bpid(node, ipdport + chan, bpid);
+
+		/* Setup QPG entries: */
+		group = qos_cfg->groups[chan];
+		qpg = qos_cfg->qpg_base + chan;
+		cvmx_pki_read_qpg_entry(node, qpg, &qpgcfg);
+		qpgcfg.port_add = chan;
+		qpgcfg.aura_num = gaura.laura;
+		qpgcfg.grp_ok = (node << CVMX_WQE_GRP_NODE_SHIFT) | group;
+		qpgcfg.grp_bad = (node << CVMX_WQE_GRP_NODE_SHIFT) | group;
+		qpgcfg.grptag_ok = (node << CVMX_WQE_GRP_NODE_SHIFT) | 0;
+		qpgcfg.grptag_bad = (node << CVMX_WQE_GRP_NODE_SHIFT) | 0;
+		cvmx_pki_write_qpg_entry(node, qpg, &qpgcfg);
+	}
+	/* Allocate and setup STYLE: */
+	cvmx_helper_pki_get_dflt_style(node, &stcfg_dflt);
+	style = cvmx_pki_style_alloc(node, -1 /*auto*/);
+	cvmx_pki_read_style_config(node, style, CVMX_PKI_CLUSTER_ALL, &stcfg);
+	stcfg.tag_cfg = stcfg_dflt.tag_cfg;
+	stcfg.parm_cfg.tag_type = CVMX_POW_TAG_TYPE_ORDERED;
+	stcfg.parm_cfg.qpg_qos = CVMX_PKI_QPG_QOS_VLAN;
+	stcfg.parm_cfg.qpg_base = qos_cfg->qpg_base;
+	stcfg.parm_cfg.qpg_port_msb = 0;
+	stcfg.parm_cfg.qpg_port_sh = 0;
+	stcfg.parm_cfg.qpg_dis_grptag = 1;
+	stcfg.parm_cfg.fcs_strip = 1;
+	stcfg.parm_cfg.mbuff_size = bufsize - 64; /* Do not use 100% of the buffer. */
+	stcfg.parm_cfg.force_drop = 0;
+	stcfg.parm_cfg.nodrop = 0;
+	stcfg.parm_cfg.rawdrp = 0;
+	stcfg.parm_cfg.cache_mode = 2; /* 1st buffer in L2 */
+	stcfg.parm_cfg.wqe_vs = qos_cfg->vlan_num;
+	cvmx_pki_write_style_config(node, style, CVMX_PKI_CLUSTER_ALL, &stcfg);
+
+	/* Setup PKIND: */
+	pkind = cvmx_helper_get_pknd(xiface, port);
+	cvmx_pki_read_pkind_config(node, pkind, &pkcfg);
+	pkcfg.cluster_grp = 0; /* OCTEON3 has only one cluster group = 0 */
+	pkcfg.initial_style = style;
+	pkcfg.initial_parse_mode = CVMX_PKI_PARSE_LA_TO_LG;
+	cvmx_pki_write_pkind_config(node, pkind, &pkcfg);
+
+	/* Setup parameters of the QOS packet and enable QOS flow-control: */
+	cvmx_bgx_set_pause_pkt_param(xipdport, 0, 0x0180c2000001, 0x8808, qos_cfg->p_time,
+				     qos_cfg->p_interval);
+	cvmx_bgx_set_flowctl_mode(xipdport, qos_cfg->qos_proto, qos_cfg->pkt_mode);
+
+	/* Enable PKI channel backpressure in the BGX: */
+	ovrbp.u64 = csr_rd_node(node, CVMX_BGXX_CMR_RX_OVR_BP(xi.interface));
+	ovrbp.s.en &= ~(1 << port);
+	ovrbp.s.ign_fifo_bp &= ~(1 << port);
+	csr_wr_node(node, CVMX_BGXX_CMR_RX_OVR_BP(xi.interface), ovrbp.u64);
+	return 0;
+}
+
+int cvmx_helper_qos_sso_setup(int xipdport, cvmx_qos_config_t *qos_cfg)
+{
+	const int channels = CVMX_QOS_NUM;
+	cvmx_sso_grpx_pri_t grppri;
+	int chan, qos, group;
+	cvmx_xport_t xp = cvmx_helper_ipd_port_to_xport(xipdport);
+	int node = xp.node;
+
+	for (chan = 0; chan < channels; chan++) {
+		qos = cvmx_helper_qos2prio(chan);
+		group = qos_cfg->groups[qos];
+		grppri.u64 = csr_rd_node(node, CVMX_SSO_GRPX_PRI(group));
+		grppri.s.pri = qos_cfg->group_prio[chan];
+		csr_wr_node(node, CVMX_SSO_GRPX_PRI(group), grppri.u64);
+	}
+	return 0;
+}
+
+int cvmx_helper_get_chan_e_name(int chan, char *namebuf, int buflen)
+{
+	int n, dpichans;
+
+	if ((unsigned int)chan >= CVMX_PKO3_IPD_NUM_MAX) {
+		printf("%s: Channel %d is out of range (0..4095)\n", __func__, chan);
+		return -1;
+	}
+	if (OCTEON_IS_MODEL(OCTEON_CN78XX))
+		dpichans = 64;
+	else
+		dpichans = 128;
+
+	if (chan >= 0 && chan < 64)
+		n = snprintf(namebuf, buflen, "LBK%d", chan);
+	else if (chan >= 0x100 && chan < (0x100 + dpichans))
+		n = snprintf(namebuf, buflen, "DPI%d", chan - 0x100);
+	else if (chan == 0x200)
+		n = snprintf(namebuf, buflen, "NQM");
+	else if (chan >= 0x240 && chan < (0x240 + (1 << 1) + 2))
+		n = snprintf(namebuf, buflen, "SRIO%d:%d", (chan - 0x240) >> 1,
+			     (chan - 0x240) & 0x1);
+	else if (chan >= 0x400 && chan < (0x400 + (1 << 8) + 256))
+		n = snprintf(namebuf, buflen, "ILK%d:%d", (chan - 0x400) >> 8,
+			     (chan - 0x400) & 0xFF);
+	else if (chan >= 0x800 && chan < (0x800 + (5 << 8) + (3 << 4) + 16))
+		n = snprintf(namebuf, buflen, "BGX%d:%d:%d", (chan - 0x800) >> 8,
+			     ((chan - 0x800) >> 4) & 0x3, (chan - 0x800) & 0xF);
+	else
+		n = snprintf(namebuf, buflen, "--");
+	return n;
+}
+
+#ifdef CVMX_DUMP_DIAGNOSTICS
+void cvmx_helper_dump_for_diagnostics(int node)
+{
+	if (!(OCTEON_IS_OCTEON3() && !OCTEON_IS_MODEL(OCTEON_CN70XX))) {
+		printf("Diagnostics are not implemented for this model\n");
+		return;
+	}
+#ifdef CVMX_DUMP_GSER
+	{
+		int qlm, num_qlms;
+
+		num_qlms = cvmx_qlm_get_num();
+		for (qlm = 0; qlm < num_qlms; qlm++) {
+			cvmx_dump_gser_config_node(node, qlm);
+			cvmx_dump_gser_status_node(node, qlm);
+		}
+	}
+#endif
+#ifdef CVMX_DUMP_BGX
+	{
+		int bgx;
+
+		for (bgx = 0; bgx < CVMX_HELPER_MAX_GMX; bgx++) {
+			cvmx_dump_bgx_config_node(node, bgx);
+			cvmx_dump_bgx_status_node(node, bgx);
+		}
+	}
+#endif
+#ifdef CVMX_DUMP_PKI
+	cvmx_pki_config_dump(node);
+	cvmx_pki_stats_dump(node);
+#endif
+#ifdef CVMX_DUMP_PKO
+	cvmx_helper_pko3_config_dump(node);
+	cvmx_helper_pko3_stats_dump(node);
+#endif
+#ifdef CVMX_DUMO_SSO
+	cvmx_sso_config_dump(node);
+#endif
+}
+#endif
-- 
2.29.2


    