/* * Qualcomm Atheros IPQ806x GMAC glue layer * * Copyright (C) 2015 The Linux Foundation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/device.h> #include <linux/platform_device.h> #include <linux/phy.h> #include <linux/regmap.h> #include <linux/clk.h> #include <linux/reset.h> #include <linux/of_net.h> #include <linux/mfd/syscon.h> #include <linux/stmmac.h> #include <linux/of_mdio.h> #include <linux/module.h> #include <linux/sys_soc.h> #include <linux/bitfield.h> #include "stmmac_platform.h" #define NSS_COMMON_CLK_GATE … #define NSS_COMMON_CLK_GATE_PTP_EN(x) … #define NSS_COMMON_CLK_GATE_RGMII_RX_EN(x) … #define NSS_COMMON_CLK_GATE_RGMII_TX_EN(x) … #define NSS_COMMON_CLK_GATE_GMII_RX_EN(x) … #define NSS_COMMON_CLK_GATE_GMII_TX_EN(x) … #define NSS_COMMON_CLK_DIV0 … #define NSS_COMMON_CLK_DIV_OFFSET(x) … #define NSS_COMMON_CLK_DIV_MASK … #define NSS_COMMON_CLK_SRC_CTRL … #define NSS_COMMON_CLK_SRC_CTRL_OFFSET(x) … /* Mode is coded on 1 bit but is different depending on the MAC ID: * MAC0: QSGMII=0 RGMII=1 * MAC1: QSGMII=0 SGMII=0 RGMII=1 * MAC2 & MAC3: QSGMII=0 SGMII=1 */ #define NSS_COMMON_CLK_SRC_CTRL_RGMII(x) … #define NSS_COMMON_CLK_SRC_CTRL_SGMII(x) … #define NSS_COMMON_GMAC_CTL(x) … #define NSS_COMMON_GMAC_CTL_CSYS_REQ … #define NSS_COMMON_GMAC_CTL_PHY_IFACE_SEL … #define NSS_COMMON_GMAC_CTL_IFG_LIMIT_OFFSET … #define NSS_COMMON_GMAC_CTL_IFG_OFFSET … #define NSS_COMMON_CLK_DIV_RGMII_1000 … #define NSS_COMMON_CLK_DIV_RGMII_100 … #define NSS_COMMON_CLK_DIV_RGMII_10 … #define NSS_COMMON_CLK_DIV_SGMII_1000 … #define NSS_COMMON_CLK_DIV_SGMII_100 … #define NSS_COMMON_CLK_DIV_SGMII_10 … #define QSGMII_PCS_ALL_CH_CTL … #define QSGMII_PCS_CH_SPEED_FORCE … #define QSGMII_PCS_CH_SPEED_10 … #define QSGMII_PCS_CH_SPEED_100 … #define QSGMII_PCS_CH_SPEED_1000 … #define QSGMII_PCS_CH_SPEED_MASK … #define QSGMII_PCS_CH_SPEED_SHIFT(x) … #define QSGMII_PCS_CAL_LCKDT_CTL … #define QSGMII_PCS_CAL_LCKDT_CTL_RST … /* Only GMAC1/2/3 support SGMII and their CTL register are not contiguous */ #define QSGMII_PHY_SGMII_CTL(x) … #define QSGMII_PHY_CDR_EN … #define QSGMII_PHY_RX_FRONT_EN … #define QSGMII_PHY_RX_SIGNAL_DETECT_EN … #define QSGMII_PHY_TX_DRIVER_EN … #define QSGMII_PHY_QSGMII_EN … #define QSGMII_PHY_DEEMPHASIS_LVL_MASK … #define QSGMII_PHY_DEEMPHASIS_LVL(x) … #define QSGMII_PHY_PHASE_LOOP_GAIN_MASK … #define QSGMII_PHY_PHASE_LOOP_GAIN(x) … #define QSGMII_PHY_RX_DC_BIAS_MASK … #define QSGMII_PHY_RX_DC_BIAS(x) … #define QSGMII_PHY_RX_INPUT_EQU_MASK … #define QSGMII_PHY_RX_INPUT_EQU(x) … #define QSGMII_PHY_CDR_PI_SLEW_MASK … #define QSGMII_PHY_CDR_PI_SLEW(x) … #define QSGMII_PHY_TX_SLEW_MASK … #define QSGMII_PHY_TX_SLEW(x) … #define QSGMII_PHY_TX_DRV_AMP_MASK … #define QSGMII_PHY_TX_DRV_AMP(x) … struct ipq806x_gmac { … }; static int get_clk_div_sgmii(struct ipq806x_gmac *gmac, unsigned int speed) { … } static int get_clk_div_rgmii(struct ipq806x_gmac *gmac, unsigned int speed) { … } static int ipq806x_gmac_set_speed(struct ipq806x_gmac *gmac, unsigned int speed) { … } static int ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac) { … } static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode) { … } static int ipq806x_gmac_configure_qsgmii_pcs_speed(struct ipq806x_gmac *gmac) { … } static const struct soc_device_attribute ipq806x_gmac_soc_v1[] = …; static int ipq806x_gmac_configure_qsgmii_params(struct ipq806x_gmac *gmac) { … } static int ipq806x_gmac_probe(struct platform_device *pdev) { … } static const struct of_device_id ipq806x_gmac_dwmac_match[] = …; MODULE_DEVICE_TABLE(of, ipq806x_gmac_dwmac_match); static struct platform_driver ipq806x_gmac_dwmac_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux