765 lines
19 KiB
C
765 lines
19 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014-2015 Hisilicon Limited.
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*/
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#include "hns_dsaf_mac.h"
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#include "hns_dsaf_misc.h"
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#include "hns_dsaf_ppe.h"
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#include "hns_dsaf_reg.h"
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enum _dsm_op_index {
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HNS_OP_RESET_FUNC = 0x1,
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HNS_OP_SERDES_LP_FUNC = 0x2,
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HNS_OP_LED_SET_FUNC = 0x3,
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HNS_OP_GET_PORT_TYPE_FUNC = 0x4,
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HNS_OP_GET_SFP_STAT_FUNC = 0x5,
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HNS_OP_LOCATE_LED_SET_FUNC = 0x6,
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};
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enum _dsm_rst_type {
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HNS_DSAF_RESET_FUNC = 0x1,
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HNS_PPE_RESET_FUNC = 0x2,
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HNS_XGE_RESET_FUNC = 0x4,
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HNS_GE_RESET_FUNC = 0x5,
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HNS_DSAF_CHN_RESET_FUNC = 0x6,
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HNS_ROCE_RESET_FUNC = 0x7,
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};
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static const guid_t hns_dsaf_acpi_dsm_guid =
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GUID_INIT(0x1A85AA1A, 0xE293, 0x415E,
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0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A);
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static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val)
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{
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if (dsaf_dev->sub_ctrl)
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dsaf_write_syscon(dsaf_dev->sub_ctrl, reg, val);
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else
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dsaf_write_reg(dsaf_dev->sc_base, reg, val);
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}
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static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg)
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{
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u32 ret = 0;
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int err;
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if (dsaf_dev->sub_ctrl) {
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err = dsaf_read_syscon(dsaf_dev->sub_ctrl, reg, &ret);
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if (err)
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dev_err(dsaf_dev->dev, "dsaf_read_syscon error %d!\n",
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err);
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} else {
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ret = dsaf_read_reg(dsaf_dev->sc_base, reg);
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}
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return ret;
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}
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static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type,
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u32 link, u32 port, u32 act)
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{
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union acpi_object *obj;
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union acpi_object obj_args[3], argv4;
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obj_args[0].integer.type = ACPI_TYPE_INTEGER;
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obj_args[0].integer.value = link;
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obj_args[1].integer.type = ACPI_TYPE_INTEGER;
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obj_args[1].integer.value = port;
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obj_args[2].integer.type = ACPI_TYPE_INTEGER;
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obj_args[2].integer.value = act;
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argv4.type = ACPI_TYPE_PACKAGE;
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argv4.package.count = 3;
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argv4.package.elements = obj_args;
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obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
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&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
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if (!obj) {
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dev_warn(mac_cb->dev, "ledctrl fail, link:%d port:%d act:%d!\n",
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link, port, act);
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return;
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}
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ACPI_FREE(obj);
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}
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static void hns_dsaf_acpi_locate_ledctrl_by_port(struct hns_mac_cb *mac_cb,
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u8 op_type, u32 locate,
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u32 port)
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{
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union acpi_object obj_args[2], argv4;
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union acpi_object *obj;
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obj_args[0].integer.type = ACPI_TYPE_INTEGER;
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obj_args[0].integer.value = locate;
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obj_args[1].integer.type = ACPI_TYPE_INTEGER;
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obj_args[1].integer.value = port;
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argv4.type = ACPI_TYPE_PACKAGE;
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argv4.package.count = 2;
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argv4.package.elements = obj_args;
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obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
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&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
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if (!obj) {
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dev_err(mac_cb->dev, "ledctrl fail, locate:%d port:%d!\n",
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locate, port);
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return;
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}
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ACPI_FREE(obj);
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}
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static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
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u16 speed, int data)
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{
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int speed_reg = 0;
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u8 value;
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if (!mac_cb) {
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pr_err("sfp_led_opt mac_dev is null!\n");
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return;
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}
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if (!mac_cb->cpld_ctrl) {
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dev_err(mac_cb->dev, "mac_id=%d, cpld syscon is null !\n",
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mac_cb->mac_id);
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return;
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}
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if (speed == MAC_SPEED_10000)
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speed_reg = 1;
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value = mac_cb->cpld_led_value;
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if (link_status) {
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dsaf_set_bit(value, DSAF_LED_LINK_B, link_status);
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dsaf_set_field(value, DSAF_LED_SPEED_M,
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DSAF_LED_SPEED_S, speed_reg);
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dsaf_set_bit(value, DSAF_LED_DATA_B, data);
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if (value != mac_cb->cpld_led_value) {
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dsaf_write_syscon(mac_cb->cpld_ctrl,
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mac_cb->cpld_ctrl_reg, value);
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mac_cb->cpld_led_value = value;
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}
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} else {
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value = (mac_cb->cpld_led_value) & (0x1 << DSAF_LED_ANCHOR_B);
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dsaf_write_syscon(mac_cb->cpld_ctrl,
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mac_cb->cpld_ctrl_reg, value);
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mac_cb->cpld_led_value = value;
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}
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}
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static void hns_cpld_set_led_acpi(struct hns_mac_cb *mac_cb, int link_status,
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u16 speed, int data)
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{
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if (!mac_cb) {
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pr_err("cpld_led_set mac_cb is null!\n");
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return;
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}
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hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
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link_status, mac_cb->mac_id, data);
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}
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static void cpld_led_reset(struct hns_mac_cb *mac_cb)
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{
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if (!mac_cb || !mac_cb->cpld_ctrl)
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return;
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dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
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CPLD_LED_DEFAULT_VALUE);
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mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
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}
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static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb)
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{
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if (!mac_cb) {
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pr_err("cpld_led_reset mac_cb is null!\n");
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return;
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}
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if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
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return;
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hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
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0, mac_cb->mac_id, 0);
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}
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static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
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enum hnae_led_state status)
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{
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u32 val = 0;
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int ret;
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if (!mac_cb->cpld_ctrl)
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return 0;
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switch (status) {
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case HNAE_LED_ACTIVE:
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ret = dsaf_read_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
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&val);
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if (ret)
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return ret;
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dsaf_set_bit(val, DSAF_LED_ANCHOR_B, CPLD_LED_ON_VALUE);
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dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
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val);
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mac_cb->cpld_led_value = val;
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break;
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case HNAE_LED_INACTIVE:
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dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
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CPLD_LED_DEFAULT_VALUE);
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dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
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mac_cb->cpld_led_value);
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break;
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default:
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dev_err(mac_cb->dev, "invalid led state: %d!", status);
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return -EINVAL;
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}
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return 0;
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}
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static int cpld_set_led_id_acpi(struct hns_mac_cb *mac_cb,
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enum hnae_led_state status)
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{
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switch (status) {
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case HNAE_LED_ACTIVE:
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hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
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HNS_OP_LOCATE_LED_SET_FUNC,
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CPLD_LED_ON_VALUE,
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mac_cb->mac_id);
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break;
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case HNAE_LED_INACTIVE:
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hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
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HNS_OP_LOCATE_LED_SET_FUNC,
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CPLD_LED_DEFAULT_VALUE,
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mac_cb->mac_id);
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break;
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default:
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dev_err(mac_cb->dev, "invalid led state: %d!", status);
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return -EINVAL;
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}
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return 0;
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}
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#define RESET_REQ_OR_DREQ 1
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static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type,
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u32 port_type, u32 port, u32 val)
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{
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union acpi_object *obj;
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union acpi_object obj_args[3], argv4;
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obj_args[0].integer.type = ACPI_TYPE_INTEGER;
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obj_args[0].integer.value = port_type;
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obj_args[1].integer.type = ACPI_TYPE_INTEGER;
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obj_args[1].integer.value = port;
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obj_args[2].integer.type = ACPI_TYPE_INTEGER;
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obj_args[2].integer.value = val;
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argv4.type = ACPI_TYPE_PACKAGE;
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argv4.package.count = 3;
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argv4.package.elements = obj_args;
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obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev),
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&hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
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if (!obj) {
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dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!",
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port_type, port);
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return;
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}
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ACPI_FREE(obj);
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}
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static void hns_dsaf_rst(struct dsaf_device *dsaf_dev, bool dereset)
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{
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u32 xbar_reg_addr;
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u32 nt_reg_addr;
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if (!dereset) {
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xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG;
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nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG;
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} else {
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xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG;
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nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG;
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}
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dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ);
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dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ);
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}
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static void hns_dsaf_rst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
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{
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hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
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HNS_DSAF_RESET_FUNC,
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0, dereset);
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}
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static void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
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bool dereset)
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{
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u32 reg_val = 0;
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u32 reg_addr;
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if (port >= DSAF_XGE_NUM)
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return;
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reg_val |= RESET_REQ_OR_DREQ;
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reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off;
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if (!dereset)
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reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
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else
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reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
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dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
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}
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static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
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u32 port, bool dereset)
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{
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hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
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HNS_XGE_RESET_FUNC, port, dereset);
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}
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/**
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* hns_dsaf_srst_chns - reset dsaf channels
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* @dsaf_dev: dsaf device struct pointer
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* @msk: xbar channels mask value:
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* bit0-5 for xge0-5
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* bit6-11 for ppe0-5
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* bit12-17 for roce0-5
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* bit18-19 for com/dfx
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* @enable: false - request reset , true - drop reset
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*/
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static void
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hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
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{
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u32 reg_addr;
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if (!dereset)
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reg_addr = DSAF_SUB_SC_DSAF_RESET_REQ_REG;
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else
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reg_addr = DSAF_SUB_SC_DSAF_RESET_DREQ_REG;
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|
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dsaf_write_sub(dsaf_dev, reg_addr, msk);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hns_dsaf_srst_chns - reset dsaf channels
|
||
|
|
* @dsaf_dev: dsaf device struct pointer
|
||
|
|
* @msk: xbar channels mask value:
|
||
|
|
* bit0-5 for xge0-5
|
||
|
|
* bit6-11 for ppe0-5
|
||
|
|
* bit12-17 for roce0-5
|
||
|
|
* bit18-19 for com/dfx
|
||
|
|
* @enable: false - request reset , true - drop reset
|
||
|
|
*/
|
||
|
|
static void
|
||
|
|
hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
|
||
|
|
{
|
||
|
|
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
|
||
|
|
HNS_DSAF_CHN_RESET_FUNC,
|
||
|
|
msk, dereset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool dereset)
|
||
|
|
{
|
||
|
|
if (!dereset) {
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_RESET_REQ_REG, 1);
|
||
|
|
} else {
|
||
|
|
dsaf_write_sub(dsaf_dev,
|
||
|
|
DSAF_SUB_SC_ROCEE_CLK_DIS_REG, 1);
|
||
|
|
dsaf_write_sub(dsaf_dev,
|
||
|
|
DSAF_SUB_SC_ROCEE_RESET_DREQ_REG, 1);
|
||
|
|
msleep(20);
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_CLK_EN_REG, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_dsaf_roce_srst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
|
||
|
|
{
|
||
|
|
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
|
||
|
|
HNS_ROCE_RESET_FUNC, 0, dereset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
|
||
|
|
bool dereset)
|
||
|
|
{
|
||
|
|
u32 reg_val_1;
|
||
|
|
u32 reg_val_2;
|
||
|
|
u32 port_rst_off;
|
||
|
|
|
||
|
|
if (port >= DSAF_GE_NUM)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
|
||
|
|
reg_val_1 = 0x1 << port;
|
||
|
|
port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
|
||
|
|
/* there is difference between V1 and V2 in register.*/
|
||
|
|
reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
|
||
|
|
0x1041041 : 0x2082082;
|
||
|
|
reg_val_2 <<= port_rst_off;
|
||
|
|
|
||
|
|
if (!dereset) {
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
|
||
|
|
reg_val_1);
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG,
|
||
|
|
reg_val_2);
|
||
|
|
} else {
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG,
|
||
|
|
reg_val_2);
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
|
||
|
|
reg_val_1);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
reg_val_1 = 0x15540;
|
||
|
|
reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
|
||
|
|
|
||
|
|
reg_val_1 <<= dsaf_dev->reset_offset;
|
||
|
|
reg_val_2 <<= dsaf_dev->reset_offset;
|
||
|
|
|
||
|
|
if (!dereset) {
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
|
||
|
|
reg_val_1);
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG,
|
||
|
|
reg_val_2);
|
||
|
|
} else {
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
|
||
|
|
reg_val_1);
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG,
|
||
|
|
reg_val_2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
|
||
|
|
u32 port, bool dereset)
|
||
|
|
{
|
||
|
|
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
|
||
|
|
HNS_GE_RESET_FUNC, port, dereset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
|
||
|
|
bool dereset)
|
||
|
|
{
|
||
|
|
u32 reg_val = 0;
|
||
|
|
u32 reg_addr;
|
||
|
|
|
||
|
|
reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
|
||
|
|
|
||
|
|
if (!dereset)
|
||
|
|
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
|
||
|
|
else
|
||
|
|
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
|
||
|
|
{
|
||
|
|
hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
|
||
|
|
HNS_PPE_RESET_FUNC, port, dereset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
|
||
|
|
{
|
||
|
|
u32 reg_val;
|
||
|
|
u32 reg_addr;
|
||
|
|
|
||
|
|
if (!(dev_of_node(dsaf_dev->dev)))
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
|
||
|
|
reg_val = RESET_REQ_OR_DREQ;
|
||
|
|
if (!dereset)
|
||
|
|
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
|
||
|
|
else
|
||
|
|
reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
reg_val = 0x100 << dsaf_dev->reset_offset;
|
||
|
|
|
||
|
|
if (!dereset)
|
||
|
|
reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
|
||
|
|
else
|
||
|
|
reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
|
||
|
|
}
|
||
|
|
|
||
|
|
dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hns_mac_get_sds_mode - get phy ifterface form serdes mode
|
||
|
|
* @mac_cb: mac control block
|
||
|
|
* retuen phy interface
|
||
|
|
*/
|
||
|
|
static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
|
||
|
|
{
|
||
|
|
u32 mode;
|
||
|
|
u32 reg;
|
||
|
|
bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
|
||
|
|
int mac_id = mac_cb->mac_id;
|
||
|
|
phy_interface_t phy_if;
|
||
|
|
|
||
|
|
if (is_ver1) {
|
||
|
|
if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev))
|
||
|
|
return PHY_INTERFACE_MODE_SGMII;
|
||
|
|
|
||
|
|
if (mac_id >= 0 && mac_id <= 3)
|
||
|
|
reg = HNS_MAC_HILINK4_REG;
|
||
|
|
else
|
||
|
|
reg = HNS_MAC_HILINK3_REG;
|
||
|
|
} else{
|
||
|
|
if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3)
|
||
|
|
reg = HNS_MAC_HILINK4V2_REG;
|
||
|
|
else
|
||
|
|
reg = HNS_MAC_HILINK3V2_REG;
|
||
|
|
}
|
||
|
|
|
||
|
|
mode = dsaf_read_sub(mac_cb->dsaf_dev, reg);
|
||
|
|
if (dsaf_get_bit(mode, mac_cb->port_mode_off))
|
||
|
|
phy_if = PHY_INTERFACE_MODE_XGMII;
|
||
|
|
else
|
||
|
|
phy_if = PHY_INTERFACE_MODE_SGMII;
|
||
|
|
|
||
|
|
return phy_if;
|
||
|
|
}
|
||
|
|
|
||
|
|
static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
|
||
|
|
{
|
||
|
|
phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
|
||
|
|
union acpi_object *obj;
|
||
|
|
union acpi_object obj_args, argv4;
|
||
|
|
|
||
|
|
obj_args.integer.type = ACPI_TYPE_INTEGER;
|
||
|
|
obj_args.integer.value = mac_cb->mac_id;
|
||
|
|
|
||
|
|
argv4.type = ACPI_TYPE_PACKAGE,
|
||
|
|
argv4.package.count = 1,
|
||
|
|
argv4.package.elements = &obj_args,
|
||
|
|
|
||
|
|
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
|
||
|
|
&hns_dsaf_acpi_dsm_guid, 0,
|
||
|
|
HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
|
||
|
|
|
||
|
|
if (!obj || obj->type != ACPI_TYPE_INTEGER)
|
||
|
|
return phy_if;
|
||
|
|
|
||
|
|
phy_if = obj->integer.value ?
|
||
|
|
PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
|
||
|
|
|
||
|
|
dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
|
||
|
|
|
||
|
|
ACPI_FREE(obj);
|
||
|
|
|
||
|
|
return phy_if;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
|
||
|
|
{
|
||
|
|
u32 val = 0;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (!mac_cb->cpld_ctrl)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
ret = dsaf_read_syscon(mac_cb->cpld_ctrl,
|
||
|
|
mac_cb->cpld_ctrl_reg + MAC_SFP_PORT_OFFSET,
|
||
|
|
&val);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
*sfp_prsnt = !val;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
|
||
|
|
{
|
||
|
|
union acpi_object *obj;
|
||
|
|
union acpi_object obj_args, argv4;
|
||
|
|
|
||
|
|
obj_args.integer.type = ACPI_TYPE_INTEGER;
|
||
|
|
obj_args.integer.value = mac_cb->mac_id;
|
||
|
|
|
||
|
|
argv4.type = ACPI_TYPE_PACKAGE,
|
||
|
|
argv4.package.count = 1,
|
||
|
|
argv4.package.elements = &obj_args,
|
||
|
|
|
||
|
|
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
|
||
|
|
&hns_dsaf_acpi_dsm_guid, 0,
|
||
|
|
HNS_OP_GET_SFP_STAT_FUNC, &argv4);
|
||
|
|
|
||
|
|
if (!obj || obj->type != ACPI_TYPE_INTEGER)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
*sfp_prsnt = obj->integer.value;
|
||
|
|
|
||
|
|
ACPI_FREE(obj);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hns_mac_config_sds_loopback - set loop back for serdes
|
||
|
|
* @mac_cb: mac control block
|
||
|
|
* retuen 0 == success
|
||
|
|
*/
|
||
|
|
static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
|
||
|
|
{
|
||
|
|
const u8 lane_id[] = {
|
||
|
|
0, /* mac 0 -> lane 0 */
|
||
|
|
1, /* mac 1 -> lane 1 */
|
||
|
|
2, /* mac 2 -> lane 2 */
|
||
|
|
3, /* mac 3 -> lane 3 */
|
||
|
|
2, /* mac 4 -> lane 2 */
|
||
|
|
3, /* mac 5 -> lane 3 */
|
||
|
|
0, /* mac 6 -> lane 0 */
|
||
|
|
1 /* mac 7 -> lane 1 */
|
||
|
|
};
|
||
|
|
#define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2)
|
||
|
|
u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0);
|
||
|
|
|
||
|
|
int sfp_prsnt = 0;
|
||
|
|
int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
|
||
|
|
|
||
|
|
if (!mac_cb->phy_dev) {
|
||
|
|
if (ret)
|
||
|
|
pr_info("please confirm sfp is present or not\n");
|
||
|
|
else
|
||
|
|
if (!sfp_prsnt)
|
||
|
|
pr_info("no sfp in this eth\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mac_cb->serdes_ctrl) {
|
||
|
|
u32 origin = 0;
|
||
|
|
|
||
|
|
if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
|
||
|
|
#define HILINK_ACCESS_SEL_CFG 0x40008
|
||
|
|
/* hilink4 & hilink3 use the same xge training and
|
||
|
|
* xge u adaptor. There is a hilink access sel cfg
|
||
|
|
* register to select which one to be configed
|
||
|
|
*/
|
||
|
|
if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
|
||
|
|
(mac_cb->mac_id <= 3))
|
||
|
|
dsaf_write_syscon(mac_cb->serdes_ctrl,
|
||
|
|
HILINK_ACCESS_SEL_CFG, 0);
|
||
|
|
else
|
||
|
|
dsaf_write_syscon(mac_cb->serdes_ctrl,
|
||
|
|
HILINK_ACCESS_SEL_CFG, 3);
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset,
|
||
|
|
&origin);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
dsaf_set_field(origin, 1ull << 10, 10, en);
|
||
|
|
dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
|
||
|
|
} else {
|
||
|
|
u8 __iomem *base_addr = mac_cb->serdes_vaddr +
|
||
|
|
(mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
|
||
|
|
dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
|
||
|
|
{
|
||
|
|
union acpi_object *obj;
|
||
|
|
union acpi_object obj_args[3], argv4;
|
||
|
|
|
||
|
|
obj_args[0].integer.type = ACPI_TYPE_INTEGER;
|
||
|
|
obj_args[0].integer.value = mac_cb->mac_id;
|
||
|
|
obj_args[1].integer.type = ACPI_TYPE_INTEGER;
|
||
|
|
obj_args[1].integer.value = !!en;
|
||
|
|
|
||
|
|
argv4.type = ACPI_TYPE_PACKAGE;
|
||
|
|
argv4.package.count = 2;
|
||
|
|
argv4.package.elements = obj_args;
|
||
|
|
|
||
|
|
obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
|
||
|
|
&hns_dsaf_acpi_dsm_guid, 0,
|
||
|
|
HNS_OP_SERDES_LP_FUNC, &argv4);
|
||
|
|
if (!obj) {
|
||
|
|
dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
|
||
|
|
mac_cb->mac_id);
|
||
|
|
|
||
|
|
return -ENOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_FREE(obj);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
|
||
|
|
{
|
||
|
|
struct dsaf_misc_op *misc_op;
|
||
|
|
|
||
|
|
misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
|
||
|
|
if (!misc_op)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if (dev_of_node(dsaf_dev->dev)) {
|
||
|
|
misc_op->cpld_set_led = hns_cpld_set_led;
|
||
|
|
misc_op->cpld_reset_led = cpld_led_reset;
|
||
|
|
misc_op->cpld_set_led_id = cpld_set_led_id;
|
||
|
|
|
||
|
|
misc_op->dsaf_reset = hns_dsaf_rst;
|
||
|
|
misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
|
||
|
|
misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
|
||
|
|
misc_op->ppe_srst = hns_ppe_srst_by_port;
|
||
|
|
misc_op->ppe_comm_srst = hns_ppe_com_srst;
|
||
|
|
misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns;
|
||
|
|
misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst;
|
||
|
|
|
||
|
|
misc_op->get_phy_if = hns_mac_get_phy_if;
|
||
|
|
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
|
||
|
|
|
||
|
|
misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
|
||
|
|
} else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
|
||
|
|
misc_op->cpld_set_led = hns_cpld_set_led_acpi;
|
||
|
|
misc_op->cpld_reset_led = cpld_led_reset_acpi;
|
||
|
|
misc_op->cpld_set_led_id = cpld_set_led_id_acpi;
|
||
|
|
|
||
|
|
misc_op->dsaf_reset = hns_dsaf_rst_acpi;
|
||
|
|
misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
|
||
|
|
misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
|
||
|
|
misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
|
||
|
|
misc_op->ppe_comm_srst = hns_ppe_com_srst;
|
||
|
|
misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi;
|
||
|
|
misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi;
|
||
|
|
|
||
|
|
misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
|
||
|
|
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt_acpi;
|
||
|
|
|
||
|
|
misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
|
||
|
|
} else {
|
||
|
|
devm_kfree(dsaf_dev->dev, (void *)misc_op);
|
||
|
|
misc_op = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (void *)misc_op;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct
|
||
|
|
platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode)
|
||
|
|
{
|
||
|
|
struct device *dev;
|
||
|
|
|
||
|
|
dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
|
||
|
|
return dev ? to_platform_device(dev) : NULL;
|
||
|
|
}
|