494 lines
15 KiB
C
494 lines
15 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
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/*
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* Driver for Microsemi VSC85xx PHYs
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*
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* Copyright (c) 2016 Microsemi Corporation
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*/
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#ifndef _MSCC_PHY_H_
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#define _MSCC_PHY_H_
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#if IS_ENABLED(CONFIG_MACSEC)
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#include "mscc_macsec.h"
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#endif
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enum rgmii_clock_delay {
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RGMII_CLK_DELAY_0_2_NS = 0,
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RGMII_CLK_DELAY_0_8_NS = 1,
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RGMII_CLK_DELAY_1_1_NS = 2,
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RGMII_CLK_DELAY_1_7_NS = 3,
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RGMII_CLK_DELAY_2_0_NS = 4,
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RGMII_CLK_DELAY_2_3_NS = 5,
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RGMII_CLK_DELAY_2_6_NS = 6,
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RGMII_CLK_DELAY_3_4_NS = 7
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};
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/* Microsemi VSC85xx PHY registers */
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/* IEEE 802. Std Registers */
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#define MSCC_PHY_BYPASS_CONTROL 18
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#define DISABLE_HP_AUTO_MDIX_MASK 0x0080
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#define DISABLE_PAIR_SWAP_CORR_MASK 0x0020
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#define DISABLE_POLARITY_CORR_MASK 0x0010
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#define PARALLEL_DET_IGNORE_ADVERTISED 0x0008
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#define MSCC_PHY_EXT_CNTL_STATUS 22
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#define SMI_BROADCAST_WR_EN 0x0001
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#define MSCC_PHY_ERR_RX_CNT 19
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#define MSCC_PHY_ERR_FALSE_CARRIER_CNT 20
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#define MSCC_PHY_ERR_LINK_DISCONNECT_CNT 21
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#define ERR_CNT_MASK GENMASK(7, 0)
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#define MSCC_PHY_EXT_PHY_CNTL_1 23
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#define MAC_IF_SELECTION_MASK 0x1800
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#define MAC_IF_SELECTION_GMII 0
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#define MAC_IF_SELECTION_RMII 1
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#define MAC_IF_SELECTION_RGMII 2
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#define MAC_IF_SELECTION_POS 11
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#define VSC8584_MAC_IF_SELECTION_MASK 0x1000
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#define VSC8584_MAC_IF_SELECTION_SGMII 0
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#define VSC8584_MAC_IF_SELECTION_1000BASEX 1
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#define VSC8584_MAC_IF_SELECTION_POS 12
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#define FAR_END_LOOPBACK_MODE_MASK 0x0008
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#define MEDIA_OP_MODE_MASK 0x0700
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#define MEDIA_OP_MODE_COPPER 0
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#define MEDIA_OP_MODE_SERDES 1
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#define MEDIA_OP_MODE_1000BASEX 2
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#define MEDIA_OP_MODE_100BASEFX 3
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#define MEDIA_OP_MODE_AMS_COPPER_SERDES 5
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#define MEDIA_OP_MODE_AMS_COPPER_1000BASEX 6
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#define MEDIA_OP_MODE_AMS_COPPER_100BASEFX 7
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#define MEDIA_OP_MODE_POS 8
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#define MSCC_PHY_EXT_PHY_CNTL_2 24
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#define MII_VSC85XX_INT_MASK 25
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#define MII_VSC85XX_INT_MASK_MDINT BIT(15)
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#define MII_VSC85XX_INT_MASK_LINK_CHG BIT(13)
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#define MII_VSC85XX_INT_MASK_WOL BIT(6)
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#define MII_VSC85XX_INT_MASK_EXT BIT(5)
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#define MII_VSC85XX_INT_STATUS 26
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#define MII_VSC85XX_INT_MASK_MASK (MII_VSC85XX_INT_MASK_MDINT | \
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MII_VSC85XX_INT_MASK_LINK_CHG | \
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MII_VSC85XX_INT_MASK_EXT)
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#define MSCC_PHY_WOL_MAC_CONTROL 27
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#define EDGE_RATE_CNTL_POS 5
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#define EDGE_RATE_CNTL_MASK 0x00E0
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#define MSCC_PHY_DEV_AUX_CNTL 28
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#define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000
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#define MSCC_PHY_LED_MODE_SEL 29
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#define LED_MODE_SEL_POS(x) ((x) * 4)
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#define LED_MODE_SEL_MASK(x) (GENMASK(3, 0) << LED_MODE_SEL_POS(x))
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#define LED_MODE_SEL(x, mode) (((mode) << LED_MODE_SEL_POS(x)) & LED_MODE_SEL_MASK(x))
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#define MSCC_EXT_PAGE_CSR_CNTL_17 17
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#define MSCC_EXT_PAGE_CSR_CNTL_18 18
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#define MSCC_EXT_PAGE_CSR_CNTL_19 19
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#define MSCC_PHY_CSR_CNTL_19_REG_ADDR(x) (x)
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#define MSCC_PHY_CSR_CNTL_19_TARGET(x) ((x) << 12)
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#define MSCC_PHY_CSR_CNTL_19_READ BIT(14)
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#define MSCC_PHY_CSR_CNTL_19_CMD BIT(15)
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#define MSCC_EXT_PAGE_CSR_CNTL_20 20
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#define MSCC_PHY_CSR_CNTL_20_TARGET(x) (x)
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#define PHY_MCB_TARGET 0x07
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#define PHY_MCB_S6G_WRITE BIT(31)
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#define PHY_MCB_S6G_READ BIT(30)
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#define PHY_S6G_PLL5G_CFG0 0x06
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#define PHY_S6G_PLL5G_CFG2 0x08
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#define PHY_S6G_LCPLL_CFG 0x11
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#define PHY_S6G_PLL_CFG 0x2b
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#define PHY_S6G_COMMON_CFG 0x2c
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#define PHY_S6G_GPC_CFG 0x2e
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#define PHY_S6G_MISC_CFG 0x3b
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#define PHY_MCB_S6G_CFG 0x3f
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#define PHY_S6G_DFT_CFG2 0x3e
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#define PHY_S6G_PLL_STATUS 0x31
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#define PHY_S6G_IB_STATUS0 0x2f
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#define PHY_S6G_SYS_RST_POS 31
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#define PHY_S6G_ENA_LANE_POS 18
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#define PHY_S6G_ENA_LOOP_POS 8
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#define PHY_S6G_QRATE_POS 6
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#define PHY_S6G_IF_MODE_POS 4
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#define PHY_S6G_PLL_ENA_OFFS_POS 21
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#define PHY_S6G_PLL_FSM_CTRL_DATA_POS 8
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#define PHY_S6G_PLL_FSM_ENA_POS 7
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#define PHY_S6G_CFG2_FSM_DIS 1
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#define PHY_S6G_CFG2_FSM_CLK_BP 23
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#define MSCC_EXT_PAGE_ACCESS 31
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#define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */
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#define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */
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#define MSCC_PHY_PAGE_EXTENDED_2 0x0002 /* Extended reg - page 2 */
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#define MSCC_PHY_PAGE_EXTENDED_3 0x0003 /* Extended reg - page 3 */
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#define MSCC_PHY_PAGE_EXTENDED_4 0x0004 /* Extended reg - page 4 */
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#define MSCC_PHY_PAGE_CSR_CNTL MSCC_PHY_PAGE_EXTENDED_4
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#define MSCC_PHY_PAGE_MACSEC MSCC_PHY_PAGE_EXTENDED_4
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/* Extended reg - GPIO; this is a bank of registers that are shared for all PHYs
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* in the same package.
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*/
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#define MSCC_PHY_PAGE_EXTENDED_GPIO 0x0010 /* Extended reg - GPIO */
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#define MSCC_PHY_PAGE_1588 0x1588 /* PTP (1588) */
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#define MSCC_PHY_PAGE_TEST 0x2a30 /* Test reg */
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#define MSCC_PHY_PAGE_TR 0x52b5 /* Token ring registers */
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#define MSCC_PHY_GPIO_CONTROL_2 14
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#define MSCC_PHY_COMA_MODE 0x2000 /* input(1) / output(0) */
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#define MSCC_PHY_COMA_OUTPUT 0x1000 /* value to output */
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/* Extended Page 1 Registers */
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#define MSCC_PHY_CU_MEDIA_CRC_VALID_CNT 18
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#define VALID_CRC_CNT_CRC_MASK GENMASK(13, 0)
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#define MSCC_PHY_EXT_MODE_CNTL 19
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#define FORCE_MDI_CROSSOVER_MASK 0x000C
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#define FORCE_MDI_CROSSOVER_MDIX 0x000C
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#define FORCE_MDI_CROSSOVER_MDI 0x0008
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#define MSCC_PHY_ACTIPHY_CNTL 20
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#define PHY_ADDR_REVERSED 0x0200
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#define DOWNSHIFT_CNTL_MASK 0x001C
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#define DOWNSHIFT_EN 0x0010
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#define DOWNSHIFT_CNTL_POS 2
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#define MSCC_PHY_EXT_PHY_CNTL_4 23
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#define PHY_CNTL_4_ADDR_POS 11
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#define MSCC_PHY_VERIPHY_CNTL_2 25
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#define MSCC_PHY_VERIPHY_CNTL_3 26
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/* Extended Page 2 Registers */
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#define MSCC_PHY_CU_PMD_TX_CNTL 16
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/* RGMII setting controls at address 18E2, for VSC8572 and similar */
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#define VSC8572_RGMII_CNTL 18
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#define VSC8572_RGMII_RX_DELAY_MASK 0x000E
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#define VSC8572_RGMII_TX_DELAY_MASK 0x0070
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/* RGMII controls at address 20E2, for VSC8502 and similar */
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#define VSC8502_RGMII_CNTL 20
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#define VSC8502_RGMII_RX_DELAY_MASK 0x0070
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#define VSC8502_RGMII_TX_DELAY_MASK 0x0007
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#define VSC8502_RGMII_RX_CLK_DISABLE 0x0800
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#define MSCC_PHY_WOL_LOWER_MAC_ADDR 21
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#define MSCC_PHY_WOL_MID_MAC_ADDR 22
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#define MSCC_PHY_WOL_UPPER_MAC_ADDR 23
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#define MSCC_PHY_WOL_LOWER_PASSWD 24
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#define MSCC_PHY_WOL_MID_PASSWD 25
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#define MSCC_PHY_WOL_UPPER_PASSWD 26
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#define MSCC_PHY_WOL_MAC_CONTROL 27
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#define SECURE_ON_ENABLE 0x8000
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#define SECURE_ON_PASSWD_LEN_4 0x4000
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#define MSCC_PHY_EXTENDED_INT 28
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#define MSCC_PHY_EXTENDED_INT_MS_EGR BIT(9)
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/* Extended Page 3 Registers */
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#define MSCC_PHY_SERDES_TX_VALID_CNT 21
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#define MSCC_PHY_SERDES_TX_CRC_ERR_CNT 22
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#define MSCC_PHY_SERDES_RX_VALID_CNT 28
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#define MSCC_PHY_SERDES_RX_CRC_ERR_CNT 29
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/* Extended page GPIO Registers */
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#define MSCC_DW8051_CNTL_STATUS 0
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#define MICRO_NSOFT_RESET 0x8000
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#define RUN_FROM_INT_ROM 0x4000
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#define AUTOINC_ADDR 0x2000
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#define PATCH_RAM_CLK 0x1000
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#define MICRO_PATCH_EN 0x0080
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#define DW8051_CLK_EN 0x0010
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#define MICRO_CLK_EN 0x0008
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#define MICRO_CLK_DIVIDE(x) ((x) >> 1)
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#define MSCC_DW8051_VLD_MASK 0xf1ff
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/* x Address in range 1-4 */
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#define MSCC_TRAP_ROM_ADDR(x) ((x) * 2 + 1)
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#define MSCC_PATCH_RAM_ADDR(x) (((x) + 1) * 2)
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#define MSCC_INT_MEM_ADDR 11
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#define MSCC_INT_MEM_CNTL 12
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#define READ_SFR 0x6000
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#define READ_PRAM 0x4000
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#define READ_ROM 0x2000
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#define READ_RAM 0x0000
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#define INT_MEM_WRITE_EN 0x1000
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#define EN_PATCH_RAM_TRAP_ADDR(x) (0x0100 << ((x) - 1))
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#define INT_MEM_DATA_M 0x00ff
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#define INT_MEM_DATA(x) (INT_MEM_DATA_M & (x))
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#define MSCC_PHY_PROC_CMD 18
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#define PROC_CMD_NCOMPLETED 0x8000
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#define PROC_CMD_FAILED 0x4000
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#define PROC_CMD_SGMII_PORT(x) ((x) << 8)
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#define PROC_CMD_FIBER_PORT(x) (0x0100 << (x) % 4)
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#define PROC_CMD_QSGMII_PORT 0x0c00
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#define PROC_CMD_RST_CONF_PORT 0x0080
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#define PROC_CMD_RECONF_PORT 0x0000
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#define PROC_CMD_READ_MOD_WRITE_PORT 0x0040
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#define PROC_CMD_WRITE 0x0040
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#define PROC_CMD_READ 0x0000
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#define PROC_CMD_FIBER_DISABLE 0x0020
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#define PROC_CMD_FIBER_100BASE_FX 0x0010
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#define PROC_CMD_FIBER_1000BASE_X 0x0000
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#define PROC_CMD_SGMII_MAC 0x0030
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#define PROC_CMD_QSGMII_MAC 0x0020
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#define PROC_CMD_NO_MAC_CONF 0x0000
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#define PROC_CMD_1588_DEFAULT_INIT 0x0010
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#define PROC_CMD_NOP 0x000f
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#define PROC_CMD_PHY_INIT 0x000a
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#define PROC_CMD_CRC16 0x0008
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#define PROC_CMD_FIBER_MEDIA_CONF 0x0001
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#define PROC_CMD_MCB_ACCESS_MAC_CONF 0x0000
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#define PROC_CMD_NCOMPLETED_TIMEOUT_MS 500
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#define MSCC_PHY_MAC_CFG_FASTLINK 19
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#define MAC_CFG_MASK 0xc000
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#define MAC_CFG_SGMII 0x0000
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#define MAC_CFG_QSGMII 0x4000
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#define MAC_CFG_RGMII 0x8000
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/* Test page Registers */
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#define MSCC_PHY_TEST_PAGE_5 5
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#define MSCC_PHY_TEST_PAGE_8 8
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#define TR_CLK_DISABLE 0x8000
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#define MSCC_PHY_TEST_PAGE_9 9
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#define MSCC_PHY_TEST_PAGE_20 20
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#define MSCC_PHY_TEST_PAGE_24 24
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/* Token ring page Registers */
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#define MSCC_PHY_TR_CNTL 16
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#define TR_WRITE 0x8000
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#define TR_ADDR(x) (0x7fff & (x))
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#define MSCC_PHY_TR_LSB 17
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#define MSCC_PHY_TR_MSB 18
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/* Microsemi PHY ID's
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* Code assumes lowest nibble is 0
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*/
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#define PHY_ID_VSC8502 0x00070630
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#define PHY_ID_VSC8504 0x000704c0
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#define PHY_ID_VSC8514 0x00070670
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#define PHY_ID_VSC8530 0x00070560
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#define PHY_ID_VSC8531 0x00070570
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#define PHY_ID_VSC8540 0x00070760
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#define PHY_ID_VSC8541 0x00070770
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#define PHY_ID_VSC8552 0x000704e0
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#define PHY_ID_VSC856X 0x000707e0
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#define PHY_ID_VSC8572 0x000704d0
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#define PHY_ID_VSC8574 0x000704a0
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#define PHY_ID_VSC8575 0x000707d0
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#define PHY_ID_VSC8582 0x000707b0
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#define PHY_ID_VSC8584 0x000707c0
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#define MSCC_VDDMAC_1500 1500
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#define MSCC_VDDMAC_1800 1800
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#define MSCC_VDDMAC_2500 2500
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#define MSCC_VDDMAC_3300 3300
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#define DOWNSHIFT_COUNT_MAX 5
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#define MAX_LEDS 4
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#define VSC8584_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \
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BIT(VSC8531_LINK_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_100_ACTIVITY) | \
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BIT(VSC8531_LINK_10_ACTIVITY) | \
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BIT(VSC8531_LINK_100_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_10_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_10_100_ACTIVITY) | \
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BIT(VSC8584_LINK_100FX_1000X_ACTIVITY) | \
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BIT(VSC8531_DUPLEX_COLLISION) | \
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BIT(VSC8531_COLLISION) | \
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BIT(VSC8531_ACTIVITY) | \
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BIT(VSC8584_100FX_1000X_ACTIVITY) | \
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BIT(VSC8531_AUTONEG_FAULT) | \
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BIT(VSC8531_SERIAL_MODE) | \
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BIT(VSC8531_FORCE_LED_OFF) | \
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BIT(VSC8531_FORCE_LED_ON))
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#define VSC85XX_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \
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BIT(VSC8531_LINK_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_100_ACTIVITY) | \
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BIT(VSC8531_LINK_10_ACTIVITY) | \
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BIT(VSC8531_LINK_100_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_10_1000_ACTIVITY) | \
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BIT(VSC8531_LINK_10_100_ACTIVITY) | \
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BIT(VSC8531_DUPLEX_COLLISION) | \
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BIT(VSC8531_COLLISION) | \
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BIT(VSC8531_ACTIVITY) | \
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BIT(VSC8531_AUTONEG_FAULT) | \
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BIT(VSC8531_SERIAL_MODE) | \
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BIT(VSC8531_FORCE_LED_OFF) | \
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BIT(VSC8531_FORCE_LED_ON))
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#define MSCC_VSC8584_REVB_INT8051_FW "microchip/mscc_vsc8584_revb_int8051_fb48.bin"
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#define MSCC_VSC8584_REVB_INT8051_FW_START_ADDR 0xe800
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#define MSCC_VSC8584_REVB_INT8051_FW_CRC 0xfb48
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#define MSCC_VSC8574_REVB_INT8051_FW "microchip/mscc_vsc8574_revb_int8051_29e8.bin"
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#define MSCC_VSC8574_REVB_INT8051_FW_START_ADDR 0x4000
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#define MSCC_VSC8574_REVB_INT8051_FW_CRC 0x29e8
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#define VSC8584_REVB 0x0001
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#define MSCC_DEV_REV_MASK GENMASK(3, 0)
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#define MSCC_ROM_TRAP_SERDES_6G_CFG 0x1E48
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#define MSCC_RAM_TRAP_SERDES_6G_CFG 0x1E4F
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#define PATCH_VEC_ZERO_EN 0x0100
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struct reg_val {
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u16 reg;
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u32 val;
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};
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struct vsc85xx_hw_stat {
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const char *string;
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u8 reg;
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u16 page;
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u16 mask;
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};
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struct vsc8531_private {
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int rate_magic;
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u16 supp_led_modes;
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u32 leds_mode[MAX_LEDS];
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u8 nleds;
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const struct vsc85xx_hw_stat *hw_stats;
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u64 *stats;
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int nstats;
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/* PHY address within the package. */
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u8 addr;
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/* For multiple port PHYs; the MDIO address of the base PHY in the
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* package.
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*/
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unsigned int base_addr;
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#if IS_ENABLED(CONFIG_MACSEC)
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/* MACsec fields:
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* - One SecY per device (enforced at the s/w implementation level)
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* - macsec_flows: list of h/w flows
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* - ingr_flows: bitmap of ingress flows
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* - egr_flows: bitmap of egress flows
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*/
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struct macsec_secy *secy;
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struct list_head macsec_flows;
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unsigned long ingr_flows;
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unsigned long egr_flows;
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#endif
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struct mii_timestamper mii_ts;
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bool input_clk_init;
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struct vsc85xx_ptp *ptp;
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/* LOAD/SAVE GPIO pin, used for retrieving or setting time to the PHC. */
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struct gpio_desc *load_save;
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/* For multiple port PHYs; the MDIO address of the base PHY in the
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* pair of two PHYs that share a 1588 engine. PHY0 and PHY2 are coupled.
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* PHY1 and PHY3 as well. PHY0 and PHY1 are base PHYs for their
|
|
* respective pair.
|
|
*/
|
|
unsigned int ts_base_addr;
|
|
u8 ts_base_phy;
|
|
|
|
/* ts_lock: used for per-PHY timestamping operations.
|
|
* phc_lock: used for per-PHY PHC opertations.
|
|
*/
|
|
struct mutex ts_lock;
|
|
struct mutex phc_lock;
|
|
};
|
|
|
|
/* Shared structure between the PHYs of the same package.
|
|
* gpio_lock: used for PHC operations. Common for all PHYs as the load/save GPIO
|
|
* is shared.
|
|
*/
|
|
struct vsc85xx_shared_private {
|
|
struct mutex gpio_lock;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_OF_MDIO)
|
|
struct vsc8531_edge_rate_table {
|
|
u32 vddmac;
|
|
u32 slowdown[8];
|
|
};
|
|
#endif /* CONFIG_OF_MDIO */
|
|
|
|
enum csr_target {
|
|
MACRO_CTRL = 0x07,
|
|
};
|
|
|
|
u32 vsc85xx_csr_read(struct phy_device *phydev,
|
|
enum csr_target target, u32 reg);
|
|
|
|
int vsc85xx_csr_write(struct phy_device *phydev,
|
|
enum csr_target target, u32 reg, u32 val);
|
|
|
|
int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val);
|
|
int phy_base_read(struct phy_device *phydev, u32 regnum);
|
|
int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb);
|
|
int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb);
|
|
int vsc8584_cmd(struct phy_device *phydev, u16 val);
|
|
|
|
#if IS_ENABLED(CONFIG_MACSEC)
|
|
int vsc8584_macsec_init(struct phy_device *phydev);
|
|
void vsc8584_handle_macsec_interrupt(struct phy_device *phydev);
|
|
void vsc8584_config_macsec_intr(struct phy_device *phydev);
|
|
#else
|
|
static inline int vsc8584_macsec_init(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void vsc8584_handle_macsec_interrupt(struct phy_device *phydev)
|
|
{
|
|
}
|
|
static inline void vsc8584_config_macsec_intr(struct phy_device *phydev)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING)
|
|
void vsc85xx_link_change_notify(struct phy_device *phydev);
|
|
void vsc8584_config_ts_intr(struct phy_device *phydev);
|
|
int vsc8584_ptp_init(struct phy_device *phydev);
|
|
int vsc8584_ptp_probe_once(struct phy_device *phydev);
|
|
int vsc8584_ptp_probe(struct phy_device *phydev);
|
|
irqreturn_t vsc8584_handle_ts_interrupt(struct phy_device *phydev);
|
|
#else
|
|
static inline void vsc85xx_link_change_notify(struct phy_device *phydev)
|
|
{
|
|
}
|
|
static inline void vsc8584_config_ts_intr(struct phy_device *phydev)
|
|
{
|
|
}
|
|
static inline int vsc8584_ptp_init(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int vsc8584_ptp_probe_once(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int vsc8584_ptp_probe(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline irqreturn_t vsc8584_handle_ts_interrupt(struct phy_device *phydev)
|
|
{
|
|
return IRQ_NONE;
|
|
}
|
|
#endif
|
|
|
|
#endif /* _MSCC_PHY_H_ */
|