2007 lines
55 KiB
C
2007 lines
55 KiB
C
/*
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* Driver for Microsemi VSC85xx PHYs
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*
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* Author: Nagaraju Lakkaraju
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* License: Dual MIT/GPL
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* Copyright (c) 2016 Microsemi Corporation
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*/
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#include <linux/firmware.h>
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#include <linux/jiffies.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/mdio.h>
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#include <linux/mii.h>
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#include <linux/phy.h>
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#include <linux/of.h>
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#include <linux/netdevice.h>
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#include <dt-bindings/net/mscc-phy-vsc8531.h>
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enum rgmii_rx_clock_delay {
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RGMII_RX_CLK_DELAY_0_2_NS = 0,
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RGMII_RX_CLK_DELAY_0_8_NS = 1,
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RGMII_RX_CLK_DELAY_1_1_NS = 2,
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RGMII_RX_CLK_DELAY_1_7_NS = 3,
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RGMII_RX_CLK_DELAY_2_0_NS = 4,
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RGMII_RX_CLK_DELAY_2_3_NS = 5,
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RGMII_RX_CLK_DELAY_2_6_NS = 6,
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RGMII_RX_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_MASK 0xa000
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#define MII_VSC85XX_INT_MASK_WOL 0x0040
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#define MII_VSC85XX_INT_STATUS 26
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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_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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/* 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_TEST 0x2a30 /* Test reg */
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#define MSCC_PHY_PAGE_TR 0x52b5 /* Token ring registers */
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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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#define MSCC_PHY_RGMII_CNTL 20
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#define RGMII_RX_CLK_DELAY_MASK 0x0070
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#define RGMII_RX_CLK_DELAY_POS 4
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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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/* 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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/* 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 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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#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_VSC8574 0x000704a0
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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 "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 "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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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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static const struct vsc85xx_hw_stat vsc85xx_hw_stats[] = {
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{
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.string = "phy_receive_errors",
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.reg = MSCC_PHY_ERR_RX_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_false_carrier",
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.reg = MSCC_PHY_ERR_FALSE_CARRIER_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_cu_media_link_disconnect",
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.reg = MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_cu_media_crc_good_count",
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.reg = MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED,
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.mask = VALID_CRC_CNT_CRC_MASK,
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}, {
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.string = "phy_cu_media_crc_error_count",
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.reg = MSCC_PHY_EXT_PHY_CNTL_4,
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.page = MSCC_PHY_PAGE_EXTENDED,
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.mask = ERR_CNT_MASK,
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},
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};
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static const struct vsc85xx_hw_stat vsc8584_hw_stats[] = {
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{
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.string = "phy_receive_errors",
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.reg = MSCC_PHY_ERR_RX_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_false_carrier",
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.reg = MSCC_PHY_ERR_FALSE_CARRIER_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_cu_media_link_disconnect",
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.reg = MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
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.page = MSCC_PHY_PAGE_STANDARD,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_cu_media_crc_good_count",
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.reg = MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED,
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.mask = VALID_CRC_CNT_CRC_MASK,
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}, {
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.string = "phy_cu_media_crc_error_count",
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.reg = MSCC_PHY_EXT_PHY_CNTL_4,
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.page = MSCC_PHY_PAGE_EXTENDED,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_serdes_tx_good_pkt_count",
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.reg = MSCC_PHY_SERDES_TX_VALID_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED_3,
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.mask = VALID_CRC_CNT_CRC_MASK,
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}, {
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.string = "phy_serdes_tx_bad_crc_count",
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.reg = MSCC_PHY_SERDES_TX_CRC_ERR_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED_3,
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.mask = ERR_CNT_MASK,
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}, {
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.string = "phy_serdes_rx_good_pkt_count",
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.reg = MSCC_PHY_SERDES_RX_VALID_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED_3,
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.mask = VALID_CRC_CNT_CRC_MASK,
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}, {
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.string = "phy_serdes_rx_bad_crc_count",
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.reg = MSCC_PHY_SERDES_RX_CRC_ERR_CNT,
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.page = MSCC_PHY_PAGE_EXTENDED_3,
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.mask = ERR_CNT_MASK,
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},
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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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bool pkg_init;
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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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};
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#ifdef CONFIG_OF_MDIO
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struct vsc8531_edge_rate_table {
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u32 vddmac;
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u32 slowdown[8];
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};
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static const struct vsc8531_edge_rate_table edge_table[] = {
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{MSCC_VDDMAC_3300, { 0, 2, 4, 7, 10, 17, 29, 53} },
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{MSCC_VDDMAC_2500, { 0, 3, 6, 10, 14, 23, 37, 63} },
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{MSCC_VDDMAC_1800, { 0, 5, 9, 16, 23, 35, 52, 76} },
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{MSCC_VDDMAC_1500, { 0, 6, 14, 21, 29, 42, 58, 77} },
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};
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#endif /* CONFIG_OF_MDIO */
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static int vsc85xx_phy_read_page(struct phy_device *phydev)
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{
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return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
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}
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static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
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{
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return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
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}
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static int vsc85xx_get_sset_count(struct phy_device *phydev)
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{
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struct vsc8531_private *priv = phydev->priv;
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if (!priv)
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return 0;
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return priv->nstats;
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}
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static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
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{
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struct vsc8531_private *priv = phydev->priv;
|
|
int i;
|
|
|
|
if (!priv)
|
|
return;
|
|
|
|
for (i = 0; i < priv->nstats; i++)
|
|
strlcpy(data + i * ETH_GSTRING_LEN, priv->hw_stats[i].string,
|
|
ETH_GSTRING_LEN);
|
|
}
|
|
|
|
static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
int val;
|
|
|
|
val = phy_read_paged(phydev, priv->hw_stats[i].page,
|
|
priv->hw_stats[i].reg);
|
|
if (val < 0)
|
|
return U64_MAX;
|
|
|
|
val = val & priv->hw_stats[i].mask;
|
|
priv->stats[i] += val;
|
|
|
|
return priv->stats[i];
|
|
}
|
|
|
|
static void vsc85xx_get_stats(struct phy_device *phydev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
int i;
|
|
|
|
if (!priv)
|
|
return;
|
|
|
|
for (i = 0; i < priv->nstats; i++)
|
|
data[i] = vsc85xx_get_stat(phydev, i);
|
|
}
|
|
|
|
static int vsc85xx_led_cntl_set(struct phy_device *phydev,
|
|
u8 led_num,
|
|
u8 mode)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
|
|
reg_val &= ~LED_MODE_SEL_MASK(led_num);
|
|
reg_val |= LED_MODE_SEL(led_num, (u16)mode);
|
|
rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
|
|
{
|
|
u16 reg_val;
|
|
|
|
reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
|
|
if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
|
|
*mdix = ETH_TP_MDI_X;
|
|
else
|
|
*mdix = ETH_TP_MDI;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
|
|
reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
|
|
if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
|
|
reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
|
|
DISABLE_POLARITY_CORR_MASK |
|
|
DISABLE_HP_AUTO_MDIX_MASK);
|
|
} else {
|
|
reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
|
|
DISABLE_POLARITY_CORR_MASK |
|
|
DISABLE_HP_AUTO_MDIX_MASK);
|
|
}
|
|
rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
|
|
if (rc)
|
|
return rc;
|
|
|
|
reg_val = 0;
|
|
|
|
if (mdix == ETH_TP_MDI)
|
|
reg_val = FORCE_MDI_CROSSOVER_MDI;
|
|
else if (mdix == ETH_TP_MDI_X)
|
|
reg_val = FORCE_MDI_CROSSOVER_MDIX;
|
|
|
|
rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
|
|
MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
|
|
reg_val);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return genphy_restart_aneg(phydev);
|
|
}
|
|
|
|
static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
|
|
{
|
|
int reg_val;
|
|
|
|
reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
|
|
MSCC_PHY_ACTIPHY_CNTL);
|
|
if (reg_val < 0)
|
|
return reg_val;
|
|
|
|
reg_val &= DOWNSHIFT_CNTL_MASK;
|
|
if (!(reg_val & DOWNSHIFT_EN))
|
|
*count = DOWNSHIFT_DEV_DISABLE;
|
|
else
|
|
*count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
|
|
{
|
|
if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
|
|
/* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
|
|
count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
|
|
} else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
|
|
phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
|
|
return -ERANGE;
|
|
} else if (count) {
|
|
/* Downshift count is either 2,3,4 or 5 */
|
|
count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
|
|
}
|
|
|
|
return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
|
|
MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
|
|
count);
|
|
}
|
|
|
|
static int vsc85xx_wol_set(struct phy_device *phydev,
|
|
struct ethtool_wolinfo *wol)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
u8 i;
|
|
u16 pwd[3] = {0, 0, 0};
|
|
struct ethtool_wolinfo *wol_conf = wol;
|
|
u8 *mac_addr = phydev->attached_dev->dev_addr;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
|
|
if (rc < 0) {
|
|
rc = phy_restore_page(phydev, rc, rc);
|
|
goto out_unlock;
|
|
}
|
|
|
|
if (wol->wolopts & WAKE_MAGIC) {
|
|
/* Store the device address for the magic packet */
|
|
for (i = 0; i < ARRAY_SIZE(pwd); i++)
|
|
pwd[i] = mac_addr[5 - (i * 2 + 1)] << 8 |
|
|
mac_addr[5 - i * 2];
|
|
__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, pwd[0]);
|
|
__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, pwd[1]);
|
|
__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, pwd[2]);
|
|
} else {
|
|
__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, 0);
|
|
__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, 0);
|
|
__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, 0);
|
|
}
|
|
|
|
if (wol_conf->wolopts & WAKE_MAGICSECURE) {
|
|
for (i = 0; i < ARRAY_SIZE(pwd); i++)
|
|
pwd[i] = wol_conf->sopass[5 - (i * 2 + 1)] << 8 |
|
|
wol_conf->sopass[5 - i * 2];
|
|
__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, pwd[0]);
|
|
__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, pwd[1]);
|
|
__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, pwd[2]);
|
|
} else {
|
|
__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, 0);
|
|
__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, 0);
|
|
__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, 0);
|
|
}
|
|
|
|
reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
|
|
if (wol_conf->wolopts & WAKE_MAGICSECURE)
|
|
reg_val |= SECURE_ON_ENABLE;
|
|
else
|
|
reg_val &= ~SECURE_ON_ENABLE;
|
|
__phy_write(phydev, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
|
|
|
|
rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
|
|
if (rc < 0)
|
|
goto out_unlock;
|
|
|
|
if (wol->wolopts & WAKE_MAGIC) {
|
|
/* Enable the WOL interrupt */
|
|
reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
|
|
reg_val |= MII_VSC85XX_INT_MASK_WOL;
|
|
rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
|
|
if (rc)
|
|
goto out_unlock;
|
|
} else {
|
|
/* Disable the WOL interrupt */
|
|
reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
|
|
reg_val &= (~MII_VSC85XX_INT_MASK_WOL);
|
|
rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
|
|
if (rc)
|
|
goto out_unlock;
|
|
}
|
|
/* Clear WOL iterrupt status */
|
|
reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);
|
|
|
|
out_unlock:
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void vsc85xx_wol_get(struct phy_device *phydev,
|
|
struct ethtool_wolinfo *wol)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
u8 i;
|
|
u16 pwd[3] = {0, 0, 0};
|
|
struct ethtool_wolinfo *wol_conf = wol;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
|
|
if (rc < 0)
|
|
goto out_unlock;
|
|
|
|
reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
|
|
if (reg_val & SECURE_ON_ENABLE)
|
|
wol_conf->wolopts |= WAKE_MAGICSECURE;
|
|
if (wol_conf->wolopts & WAKE_MAGICSECURE) {
|
|
pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
|
|
pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
|
|
pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
|
|
for (i = 0; i < ARRAY_SIZE(pwd); i++) {
|
|
wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
|
|
wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
|
|
>> 8;
|
|
}
|
|
}
|
|
|
|
out_unlock:
|
|
phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
|
|
mutex_unlock(&phydev->lock);
|
|
}
|
|
|
|
#ifdef CONFIG_OF_MDIO
|
|
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
|
|
{
|
|
u32 vdd, sd;
|
|
int i, j;
|
|
struct device *dev = &phydev->mdio.dev;
|
|
struct device_node *of_node = dev->of_node;
|
|
u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
|
|
|
|
if (!of_node)
|
|
return -ENODEV;
|
|
|
|
if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
|
|
vdd = MSCC_VDDMAC_3300;
|
|
|
|
if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
|
|
sd = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(edge_table); i++)
|
|
if (edge_table[i].vddmac == vdd)
|
|
for (j = 0; j < sd_array_size; j++)
|
|
if (edge_table[i].slowdown[j] == sd)
|
|
return (sd_array_size - j - 1);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
|
|
char *led,
|
|
u32 default_mode)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
struct device *dev = &phydev->mdio.dev;
|
|
struct device_node *of_node = dev->of_node;
|
|
u32 led_mode;
|
|
int err;
|
|
|
|
if (!of_node)
|
|
return -ENODEV;
|
|
|
|
led_mode = default_mode;
|
|
err = of_property_read_u32(of_node, led, &led_mode);
|
|
if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
|
|
phydev_err(phydev, "DT %s invalid\n", led);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return led_mode;
|
|
}
|
|
|
|
#else
|
|
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
|
|
char *led,
|
|
u8 default_mode)
|
|
{
|
|
return default_mode;
|
|
}
|
|
#endif /* CONFIG_OF_MDIO */
|
|
|
|
static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
|
|
u32 *default_mode)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
char led_dt_prop[28];
|
|
int i, ret;
|
|
|
|
for (i = 0; i < priv->nleds; i++) {
|
|
ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
|
|
default_mode[i]);
|
|
if (ret < 0)
|
|
return ret;
|
|
priv->leds_mode[i] = ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
|
|
{
|
|
int rc;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
|
|
MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
|
|
edge_rate << EDGE_RATE_CNTL_POS);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vsc85xx_mac_if_set(struct phy_device *phydev,
|
|
phy_interface_t interface)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
|
|
reg_val &= ~(MAC_IF_SELECTION_MASK);
|
|
switch (interface) {
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
|
|
break;
|
|
case PHY_INTERFACE_MODE_RMII:
|
|
reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
|
|
break;
|
|
case PHY_INTERFACE_MODE_MII:
|
|
case PHY_INTERFACE_MODE_GMII:
|
|
reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
|
|
break;
|
|
default:
|
|
rc = -EINVAL;
|
|
goto out_unlock;
|
|
}
|
|
rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
|
|
if (rc)
|
|
goto out_unlock;
|
|
|
|
rc = genphy_soft_reset(phydev);
|
|
|
|
out_unlock:
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vsc85xx_default_config(struct phy_device *phydev)
|
|
{
|
|
int rc;
|
|
u16 reg_val;
|
|
|
|
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
|
|
mutex_lock(&phydev->lock);
|
|
rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
|
|
if (rc < 0)
|
|
goto out_unlock;
|
|
|
|
reg_val = phy_read(phydev, MSCC_PHY_RGMII_CNTL);
|
|
reg_val &= ~(RGMII_RX_CLK_DELAY_MASK);
|
|
reg_val |= (RGMII_RX_CLK_DELAY_1_1_NS << RGMII_RX_CLK_DELAY_POS);
|
|
phy_write(phydev, MSCC_PHY_RGMII_CNTL, reg_val);
|
|
|
|
out_unlock:
|
|
rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vsc85xx_get_tunable(struct phy_device *phydev,
|
|
struct ethtool_tunable *tuna, void *data)
|
|
{
|
|
switch (tuna->id) {
|
|
case ETHTOOL_PHY_DOWNSHIFT:
|
|
return vsc85xx_downshift_get(phydev, (u8 *)data);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int vsc85xx_set_tunable(struct phy_device *phydev,
|
|
struct ethtool_tunable *tuna,
|
|
const void *data)
|
|
{
|
|
switch (tuna->id) {
|
|
case ETHTOOL_PHY_DOWNSHIFT:
|
|
return vsc85xx_downshift_set(phydev, *(u8 *)data);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
/* mdiobus lock should be locked when using this function */
|
|
static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
|
|
{
|
|
__phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
|
|
__phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
|
|
__phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
|
|
}
|
|
|
|
static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
|
|
{
|
|
const struct reg_val init_eee[] = {
|
|
{0x0f82, 0x0012b00a},
|
|
{0x1686, 0x00000004},
|
|
{0x168c, 0x00d2c46f},
|
|
{0x17a2, 0x00000620},
|
|
{0x16a0, 0x00eeffdd},
|
|
{0x16a6, 0x00071448},
|
|
{0x16a4, 0x0013132f},
|
|
{0x16a8, 0x00000000},
|
|
{0x0ffc, 0x00c0a028},
|
|
{0x0fe8, 0x0091b06c},
|
|
{0x0fea, 0x00041600},
|
|
{0x0f80, 0x00000af4},
|
|
{0x0fec, 0x00901809},
|
|
{0x0fee, 0x0000a6a1},
|
|
{0x0ffe, 0x00b01007},
|
|
{0x16b0, 0x00eeff00},
|
|
{0x16b2, 0x00007000},
|
|
{0x16b4, 0x00000814},
|
|
};
|
|
unsigned int i;
|
|
int oldpage;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
|
|
if (oldpage < 0)
|
|
goto out_unlock;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(init_eee); i++)
|
|
vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);
|
|
|
|
out_unlock:
|
|
oldpage = phy_restore_page(phydev, oldpage, oldpage);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return oldpage;
|
|
}
|
|
|
|
/* phydev->bus->mdio_lock should be locked when using this function */
|
|
static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
|
|
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
|
|
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
|
|
dump_stack();
|
|
}
|
|
|
|
return __mdiobus_write(phydev->mdio.bus, priv->base_addr, regnum, val);
|
|
}
|
|
|
|
/* phydev->bus->mdio_lock should be locked when using this function */
|
|
static int phy_base_read(struct phy_device *phydev, u32 regnum)
|
|
{
|
|
struct vsc8531_private *priv = phydev->priv;
|
|
|
|
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
|
|
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
|
|
dump_stack();
|
|
}
|
|
|
|
return __mdiobus_read(phydev->mdio.bus, priv->base_addr, regnum);
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
|
|
{
|
|
phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
|
|
phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
|
|
phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_cmd(struct phy_device *phydev, u16 val)
|
|
{
|
|
unsigned long deadline;
|
|
u16 reg_val;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);
|
|
|
|
deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
|
|
do {
|
|
reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
|
|
} while (time_before(jiffies, deadline) &&
|
|
(reg_val & PROC_CMD_NCOMPLETED) &&
|
|
!(reg_val & PROC_CMD_FAILED));
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
if (reg_val & PROC_CMD_FAILED)
|
|
return -EIO;
|
|
|
|
if (reg_val & PROC_CMD_NCOMPLETED)
|
|
return -ETIMEDOUT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
|
|
bool patch_en)
|
|
{
|
|
u32 enable, release;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
|
|
release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
|
|
MICRO_CLK_EN;
|
|
|
|
if (patch_en) {
|
|
enable |= MICRO_PATCH_EN;
|
|
release |= MICRO_PATCH_EN;
|
|
|
|
/* Clear all patches */
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
|
|
}
|
|
|
|
/* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
|
|
* override and addr. auto-incr; operate at 125 MHz
|
|
*/
|
|
phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
|
|
/* Release 8051 Micro SW reset */
|
|
phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_micro_assert_reset(struct phy_device *phydev)
|
|
{
|
|
int ret;
|
|
u16 reg;
|
|
|
|
ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
|
|
if (ret)
|
|
return ret;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
|
|
reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
|
|
|
|
phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
|
|
phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);
|
|
|
|
reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
|
|
reg |= EN_PATCH_RAM_TRAP_ADDR(4);
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NOP);
|
|
|
|
reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
|
|
reg &= ~MICRO_NSOFT_RESET;
|
|
phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
|
|
PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
|
|
PROC_CMD_READ);
|
|
|
|
reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
|
|
reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
|
|
u16 *crc)
|
|
{
|
|
int ret;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
|
|
phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);
|
|
|
|
/* Start Micro command */
|
|
ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
|
|
if (ret)
|
|
goto out;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
|
|
|
|
*crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);
|
|
|
|
out:
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_patch_fw(struct phy_device *phydev,
|
|
const struct firmware *fw)
|
|
{
|
|
int i, ret;
|
|
|
|
ret = vsc8584_micro_assert_reset(phydev);
|
|
if (ret) {
|
|
dev_err(&phydev->mdio.dev,
|
|
"%s: failed to assert reset of micro\n", __func__);
|
|
return ret;
|
|
}
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
/* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
|
|
* Disable the 8051 Micro clock
|
|
*/
|
|
phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
|
|
AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
|
|
MICRO_CLK_DIVIDE(2));
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
|
|
INT_MEM_DATA(2));
|
|
phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);
|
|
|
|
for (i = 0; i < fw->size; i++)
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
|
|
INT_MEM_WRITE_EN | fw->data[i]);
|
|
|
|
/* Clear internal memory access */
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static bool vsc8574_is_serdes_init(struct phy_device *phydev)
|
|
{
|
|
u16 reg;
|
|
bool ret;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
|
|
if (reg != 0x3eb7) {
|
|
ret = false;
|
|
goto out;
|
|
}
|
|
|
|
reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
|
|
if (reg != 0x4012) {
|
|
ret = false;
|
|
goto out;
|
|
}
|
|
|
|
reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
|
|
if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
|
|
ret = false;
|
|
goto out;
|
|
}
|
|
|
|
reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
|
|
if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
|
|
MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
|
|
ret = false;
|
|
goto out;
|
|
}
|
|
|
|
ret = true;
|
|
out:
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8574_config_pre_init(struct phy_device *phydev)
|
|
{
|
|
const struct reg_val pre_init1[] = {
|
|
{0x0fae, 0x000401bd},
|
|
{0x0fac, 0x000f000f},
|
|
{0x17a0, 0x00a0f147},
|
|
{0x0fe4, 0x00052f54},
|
|
{0x1792, 0x0027303d},
|
|
{0x07fe, 0x00000704},
|
|
{0x0fe0, 0x00060150},
|
|
{0x0f82, 0x0012b00a},
|
|
{0x0f80, 0x00000d74},
|
|
{0x02e0, 0x00000012},
|
|
{0x03a2, 0x00050208},
|
|
{0x03b2, 0x00009186},
|
|
{0x0fb0, 0x000e3700},
|
|
{0x1688, 0x00049f81},
|
|
{0x0fd2, 0x0000ffff},
|
|
{0x168a, 0x00039fa2},
|
|
{0x1690, 0x0020640b},
|
|
{0x0258, 0x00002220},
|
|
{0x025a, 0x00002a20},
|
|
{0x025c, 0x00003060},
|
|
{0x025e, 0x00003fa0},
|
|
{0x03a6, 0x0000e0f0},
|
|
{0x0f92, 0x00001489},
|
|
{0x16a2, 0x00007000},
|
|
{0x16a6, 0x00071448},
|
|
{0x16a0, 0x00eeffdd},
|
|
{0x0fe8, 0x0091b06c},
|
|
{0x0fea, 0x00041600},
|
|
{0x16b0, 0x00eeff00},
|
|
{0x16b2, 0x00007000},
|
|
{0x16b4, 0x00000814},
|
|
{0x0f90, 0x00688980},
|
|
{0x03a4, 0x0000d8f0},
|
|
{0x0fc0, 0x00000400},
|
|
{0x07fa, 0x0050100f},
|
|
{0x0796, 0x00000003},
|
|
{0x07f8, 0x00c3ff98},
|
|
{0x0fa4, 0x0018292a},
|
|
{0x168c, 0x00d2c46f},
|
|
{0x17a2, 0x00000620},
|
|
{0x16a4, 0x0013132f},
|
|
{0x16a8, 0x00000000},
|
|
{0x0ffc, 0x00c0a028},
|
|
{0x0fec, 0x00901c09},
|
|
{0x0fee, 0x0004a6a1},
|
|
{0x0ffe, 0x00b01807},
|
|
};
|
|
const struct reg_val pre_init2[] = {
|
|
{0x0486, 0x0008a518},
|
|
{0x0488, 0x006dc696},
|
|
{0x048a, 0x00000912},
|
|
{0x048e, 0x00000db6},
|
|
{0x049c, 0x00596596},
|
|
{0x049e, 0x00000514},
|
|
{0x04a2, 0x00410280},
|
|
{0x04a4, 0x00000000},
|
|
{0x04a6, 0x00000000},
|
|
{0x04a8, 0x00000000},
|
|
{0x04aa, 0x00000000},
|
|
{0x04ae, 0x007df7dd},
|
|
{0x04b0, 0x006d95d4},
|
|
{0x04b2, 0x00492410},
|
|
};
|
|
struct device *dev = &phydev->mdio.dev;
|
|
const struct firmware *fw;
|
|
unsigned int i;
|
|
u16 crc, reg;
|
|
bool serdes_init;
|
|
int ret;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
/* all writes below are broadcasted to all PHYs in the same package */
|
|
reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
|
|
reg |= SMI_BROADCAST_WR_EN;
|
|
phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
|
|
|
|
phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
|
|
|
|
/* The below register writes are tweaking analog and electrical
|
|
* configuration that were determined through characterization by PHY
|
|
* engineers. These don't mean anything more than "these are the best
|
|
* values".
|
|
*/
|
|
phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
|
|
reg |= 0x8000;
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
|
|
vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
|
|
vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
|
|
reg &= ~0x8000;
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
/* end of write broadcasting */
|
|
reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
|
|
reg &= ~SMI_BROADCAST_WR_EN;
|
|
phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
|
|
|
|
ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
|
|
if (ret) {
|
|
dev_err(dev, "failed to load firmware %s, ret: %d\n",
|
|
MSCC_VSC8574_REVB_INT8051_FW, ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Add one byte to size for the one added by the patch_fw function */
|
|
ret = vsc8584_get_fw_crc(phydev,
|
|
MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
|
|
fw->size + 1, &crc);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
|
|
serdes_init = vsc8574_is_serdes_init(phydev);
|
|
|
|
if (!serdes_init) {
|
|
ret = vsc8584_micro_assert_reset(phydev);
|
|
if (ret) {
|
|
dev_err(dev,
|
|
"%s: failed to assert reset of micro\n",
|
|
__func__);
|
|
goto out;
|
|
}
|
|
}
|
|
} else {
|
|
dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
|
|
|
|
serdes_init = false;
|
|
|
|
if (vsc8584_patch_fw(phydev, fw))
|
|
dev_warn(dev,
|
|
"failed to patch FW, expect non-optimal device\n");
|
|
}
|
|
|
|
if (!serdes_init) {
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
|
|
phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
|
|
phy_base_write(phydev, MSCC_INT_MEM_CNTL,
|
|
EN_PATCH_RAM_TRAP_ADDR(1));
|
|
|
|
vsc8584_micro_deassert_reset(phydev, false);
|
|
|
|
/* Add one byte to size for the one added by the patch_fw
|
|
* function
|
|
*/
|
|
ret = vsc8584_get_fw_crc(phydev,
|
|
MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
|
|
fw->size + 1, &crc);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
|
|
dev_warn(dev,
|
|
"FW CRC after patching is not the expected one, expect non-optimal device\n");
|
|
}
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
|
|
PROC_CMD_PHY_INIT);
|
|
|
|
out:
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
release_firmware(fw);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* bus->mdio_lock should be locked when using this function */
|
|
static int vsc8584_config_pre_init(struct phy_device *phydev)
|
|
{
|
|
const struct reg_val pre_init1[] = {
|
|
{0x07fa, 0x0050100f},
|
|
{0x1688, 0x00049f81},
|
|
{0x0f90, 0x00688980},
|
|
{0x03a4, 0x0000d8f0},
|
|
{0x0fc0, 0x00000400},
|
|
{0x0f82, 0x0012b002},
|
|
{0x1686, 0x00000004},
|
|
{0x168c, 0x00d2c46f},
|
|
{0x17a2, 0x00000620},
|
|
{0x16a0, 0x00eeffdd},
|
|
{0x16a6, 0x00071448},
|
|
{0x16a4, 0x0013132f},
|
|
{0x16a8, 0x00000000},
|
|
{0x0ffc, 0x00c0a028},
|
|
{0x0fe8, 0x0091b06c},
|
|
{0x0fea, 0x00041600},
|
|
{0x0f80, 0x00fffaff},
|
|
{0x0fec, 0x00901809},
|
|
{0x0ffe, 0x00b01007},
|
|
{0x16b0, 0x00eeff00},
|
|
{0x16b2, 0x00007000},
|
|
{0x16b4, 0x00000814},
|
|
};
|
|
const struct reg_val pre_init2[] = {
|
|
{0x0486, 0x0008a518},
|
|
{0x0488, 0x006dc696},
|
|
{0x048a, 0x00000912},
|
|
};
|
|
const struct firmware *fw;
|
|
struct device *dev = &phydev->mdio.dev;
|
|
unsigned int i;
|
|
u16 crc, reg;
|
|
int ret;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
/* all writes below are broadcasted to all PHYs in the same package */
|
|
reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
|
|
reg |= SMI_BROADCAST_WR_EN;
|
|
phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
|
|
|
|
phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_BYPASS_CONTROL);
|
|
reg |= PARALLEL_DET_IGNORE_ADVERTISED;
|
|
phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);
|
|
|
|
/* The below register writes are tweaking analog and electrical
|
|
* configuration that were determined through characterization by PHY
|
|
* engineers. These don't mean anything more than "these are the best
|
|
* values".
|
|
*/
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
|
|
reg |= 0x8000;
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
|
|
reg &= ~0x007f;
|
|
reg |= 0x0019;
|
|
phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
|
|
vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
|
|
|
|
phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
|
|
vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
|
|
|
|
reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
|
|
reg &= ~0x8000;
|
|
phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
/* end of write broadcasting */
|
|
reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
|
|
reg &= ~SMI_BROADCAST_WR_EN;
|
|
phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
|
|
|
|
ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
|
|
if (ret) {
|
|
dev_err(dev, "failed to load firmware %s, ret: %d\n",
|
|
MSCC_VSC8584_REVB_INT8051_FW, ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Add one byte to size for the one added by the patch_fw function */
|
|
ret = vsc8584_get_fw_crc(phydev,
|
|
MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
|
|
fw->size + 1, &crc);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
|
|
dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
|
|
if (vsc8584_patch_fw(phydev, fw))
|
|
dev_warn(dev,
|
|
"failed to patch FW, expect non-optimal device\n");
|
|
}
|
|
|
|
vsc8584_micro_deassert_reset(phydev, false);
|
|
|
|
/* Add one byte to size for the one added by the patch_fw function */
|
|
ret = vsc8584_get_fw_crc(phydev,
|
|
MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
|
|
fw->size + 1, &crc);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
|
|
dev_warn(dev,
|
|
"FW CRC after patching is not the expected one, expect non-optimal device\n");
|
|
|
|
ret = vsc8584_micro_assert_reset(phydev);
|
|
if (ret)
|
|
goto out;
|
|
|
|
vsc8584_micro_deassert_reset(phydev, true);
|
|
|
|
out:
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
release_firmware(fw);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Check if one PHY has already done the init of the parts common to all PHYs
|
|
* in the Quad PHY package.
|
|
*/
|
|
static bool vsc8584_is_pkg_init(struct phy_device *phydev, bool reversed)
|
|
{
|
|
struct mdio_device **map = phydev->mdio.bus->mdio_map;
|
|
struct vsc8531_private *vsc8531;
|
|
struct phy_device *phy;
|
|
int i, addr;
|
|
|
|
/* VSC8584 is a Quad PHY */
|
|
for (i = 0; i < 4; i++) {
|
|
vsc8531 = phydev->priv;
|
|
|
|
if (reversed)
|
|
addr = vsc8531->base_addr - i;
|
|
else
|
|
addr = vsc8531->base_addr + i;
|
|
|
|
phy = container_of(map[addr], struct phy_device, mdio);
|
|
|
|
if ((phy->phy_id & phydev->drv->phy_id_mask) !=
|
|
(phydev->drv->phy_id & phydev->drv->phy_id_mask))
|
|
continue;
|
|
|
|
vsc8531 = phy->priv;
|
|
|
|
if (vsc8531 && vsc8531->pkg_init)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int vsc8584_config_init(struct phy_device *phydev)
|
|
{
|
|
struct vsc8531_private *vsc8531 = phydev->priv;
|
|
u16 addr, val;
|
|
int ret, i;
|
|
|
|
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
|
|
|
|
mutex_lock(&phydev->mdio.bus->mdio_lock);
|
|
|
|
__mdiobus_write(phydev->mdio.bus, phydev->mdio.addr,
|
|
MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
|
|
addr = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
|
|
MSCC_PHY_EXT_PHY_CNTL_4);
|
|
addr >>= PHY_CNTL_4_ADDR_POS;
|
|
|
|
val = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
|
|
MSCC_PHY_ACTIPHY_CNTL);
|
|
if (val & PHY_ADDR_REVERSED)
|
|
vsc8531->base_addr = phydev->mdio.addr + addr;
|
|
else
|
|
vsc8531->base_addr = phydev->mdio.addr - addr;
|
|
|
|
/* Some parts of the init sequence are identical for every PHY in the
|
|
* package. Some parts are modifying the GPIO register bank which is a
|
|
* set of registers that are affecting all PHYs, a few resetting the
|
|
* microprocessor common to all PHYs. The CRC check responsible of the
|
|
* checking the firmware within the 8051 microprocessor can only be
|
|
* accessed via the PHY whose internal address in the package is 0.
|
|
* All PHYs' interrupts mask register has to be zeroed before enabling
|
|
* any PHY's interrupt in this register.
|
|
* For all these reasons, we need to do the init sequence once and only
|
|
* once whatever is the first PHY in the package that is initialized and
|
|
* do the correct init sequence for all PHYs that are package-critical
|
|
* in this pre-init function.
|
|
*/
|
|
if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0)) {
|
|
if ((phydev->phy_id & phydev->drv->phy_id_mask) ==
|
|
(PHY_ID_VSC8574 & phydev->drv->phy_id_mask))
|
|
ret = vsc8574_config_pre_init(phydev);
|
|
else if ((phydev->phy_id & phydev->drv->phy_id_mask) ==
|
|
(PHY_ID_VSC8584 & phydev->drv->phy_id_mask))
|
|
ret = vsc8584_config_pre_init(phydev);
|
|
else
|
|
ret = -EINVAL;
|
|
|
|
if (ret)
|
|
goto err;
|
|
}
|
|
|
|
vsc8531->pkg_init = true;
|
|
|
|
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
|
|
MSCC_PHY_PAGE_EXTENDED_GPIO);
|
|
|
|
val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
|
|
val &= ~MAC_CFG_MASK;
|
|
if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
|
|
val |= MAC_CFG_QSGMII;
|
|
else
|
|
val |= MAC_CFG_SGMII;
|
|
|
|
ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
|
|
if (ret)
|
|
goto err;
|
|
|
|
val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
|
|
PROC_CMD_READ_MOD_WRITE_PORT;
|
|
if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
|
|
val |= PROC_CMD_QSGMII_MAC;
|
|
else
|
|
val |= PROC_CMD_SGMII_MAC;
|
|
|
|
ret = vsc8584_cmd(phydev, val);
|
|
if (ret)
|
|
goto err;
|
|
|
|
usleep_range(10000, 20000);
|
|
|
|
/* Disable SerDes for 100Base-FX */
|
|
ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
|
|
PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
|
|
PROC_CMD_READ_MOD_WRITE_PORT |
|
|
PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
|
|
if (ret)
|
|
goto err;
|
|
|
|
/* Disable SerDes for 1000Base-X */
|
|
ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
|
|
PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
|
|
PROC_CMD_READ_MOD_WRITE_PORT |
|
|
PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
|
|
if (ret)
|
|
goto err;
|
|
|
|
mutex_unlock(&phydev->mdio.bus->mdio_lock);
|
|
|
|
phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
|
|
|
|
val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
|
|
val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
|
|
val |= MEDIA_OP_MODE_COPPER | (VSC8584_MAC_IF_SELECTION_SGMII <<
|
|
VSC8584_MAC_IF_SELECTION_POS);
|
|
ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
|
|
|
|
ret = genphy_soft_reset(phydev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for (i = 0; i < vsc8531->nleds; i++) {
|
|
ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return genphy_config_init(phydev);
|
|
|
|
err:
|
|
mutex_unlock(&phydev->mdio.bus->mdio_lock);
|
|
return ret;
|
|
}
|
|
|
|
static int vsc85xx_config_init(struct phy_device *phydev)
|
|
{
|
|
int rc, i;
|
|
struct vsc8531_private *vsc8531 = phydev->priv;
|
|
|
|
rc = vsc85xx_default_config(phydev);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = vsc85xx_mac_if_set(phydev, phydev->interface);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = vsc85xx_eee_init_seq_set(phydev);
|
|
if (rc)
|
|
return rc;
|
|
|
|
for (i = 0; i < vsc8531->nleds; i++) {
|
|
rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
|
|
if (rc)
|
|
return rc;
|
|
}
|
|
|
|
return genphy_config_init(phydev);
|
|
}
|
|
|
|
static int vsc8584_did_interrupt(struct phy_device *phydev)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
|
|
rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
|
|
|
|
return (rc < 0) ? 0 : rc & MII_VSC85XX_INT_MASK_MASK;
|
|
}
|
|
|
|
static int vsc85xx_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
int rc = 0;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
|
|
rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
|
|
|
|
return (rc < 0) ? rc : 0;
|
|
}
|
|
|
|
static int vsc85xx_config_intr(struct phy_device *phydev)
|
|
{
|
|
int rc;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
|
|
rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
|
|
MII_VSC85XX_INT_MASK_MASK);
|
|
} else {
|
|
rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vsc85xx_config_aneg(struct phy_device *phydev)
|
|
{
|
|
int rc;
|
|
|
|
rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return genphy_config_aneg(phydev);
|
|
}
|
|
|
|
static int vsc85xx_read_status(struct phy_device *phydev)
|
|
{
|
|
int rc;
|
|
|
|
rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return genphy_read_status(phydev);
|
|
}
|
|
|
|
static int vsc8574_probe(struct phy_device *phydev)
|
|
{
|
|
struct vsc8531_private *vsc8531;
|
|
u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
|
|
VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
|
|
VSC8531_DUPLEX_COLLISION};
|
|
|
|
vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
|
|
if (!vsc8531)
|
|
return -ENOMEM;
|
|
|
|
phydev->priv = vsc8531;
|
|
|
|
vsc8531->nleds = 4;
|
|
vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
|
|
vsc8531->hw_stats = vsc8584_hw_stats;
|
|
vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
|
|
vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats,
|
|
sizeof(u64), GFP_KERNEL);
|
|
if (!vsc8531->stats)
|
|
return -ENOMEM;
|
|
|
|
return vsc85xx_dt_led_modes_get(phydev, default_mode);
|
|
}
|
|
|
|
static int vsc8584_probe(struct phy_device *phydev)
|
|
{
|
|
struct vsc8531_private *vsc8531;
|
|
u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
|
|
VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
|
|
VSC8531_DUPLEX_COLLISION};
|
|
|
|
if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
|
|
dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
|
|
if (!vsc8531)
|
|
return -ENOMEM;
|
|
|
|
phydev->priv = vsc8531;
|
|
|
|
vsc8531->nleds = 4;
|
|
vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
|
|
vsc8531->hw_stats = vsc8584_hw_stats;
|
|
vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
|
|
vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats,
|
|
sizeof(u64), GFP_KERNEL);
|
|
if (!vsc8531->stats)
|
|
return -ENOMEM;
|
|
|
|
return vsc85xx_dt_led_modes_get(phydev, default_mode);
|
|
}
|
|
|
|
static int vsc85xx_probe(struct phy_device *phydev)
|
|
{
|
|
struct vsc8531_private *vsc8531;
|
|
int rate_magic;
|
|
u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
|
|
VSC8531_LINK_100_ACTIVITY};
|
|
|
|
rate_magic = vsc85xx_edge_rate_magic_get(phydev);
|
|
if (rate_magic < 0)
|
|
return rate_magic;
|
|
|
|
vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
|
|
if (!vsc8531)
|
|
return -ENOMEM;
|
|
|
|
phydev->priv = vsc8531;
|
|
|
|
vsc8531->rate_magic = rate_magic;
|
|
vsc8531->nleds = 2;
|
|
vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
|
|
vsc8531->hw_stats = vsc85xx_hw_stats;
|
|
vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
|
|
vsc8531->stats = devm_kmalloc_array(&phydev->mdio.dev, vsc8531->nstats,
|
|
sizeof(u64), GFP_KERNEL);
|
|
if (!vsc8531->stats)
|
|
return -ENOMEM;
|
|
|
|
return vsc85xx_dt_led_modes_get(phydev, default_mode);
|
|
}
|
|
|
|
/* Microsemi VSC85xx PHYs */
|
|
static struct phy_driver vsc85xx_driver[] = {
|
|
{
|
|
.phy_id = PHY_ID_VSC8530,
|
|
.name = "Microsemi FE VSC8530",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_BASIC_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc85xx_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc85xx_probe,
|
|
.set_wol = &vsc85xx_wol_set,
|
|
.get_wol = &vsc85xx_wol_get,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
},
|
|
{
|
|
.phy_id = PHY_ID_VSC8531,
|
|
.name = "Microsemi VSC8531",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc85xx_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc85xx_probe,
|
|
.set_wol = &vsc85xx_wol_set,
|
|
.get_wol = &vsc85xx_wol_get,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
},
|
|
{
|
|
.phy_id = PHY_ID_VSC8540,
|
|
.name = "Microsemi FE VSC8540 SyncE",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_BASIC_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc85xx_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc85xx_probe,
|
|
.set_wol = &vsc85xx_wol_set,
|
|
.get_wol = &vsc85xx_wol_get,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
},
|
|
{
|
|
.phy_id = PHY_ID_VSC8541,
|
|
.name = "Microsemi VSC8541 SyncE",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc85xx_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc85xx_probe,
|
|
.set_wol = &vsc85xx_wol_set,
|
|
.get_wol = &vsc85xx_wol_get,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
},
|
|
{
|
|
.phy_id = PHY_ID_VSC8574,
|
|
.name = "Microsemi GE VSC8574 SyncE",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc8584_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.did_interrupt = &vsc8584_did_interrupt,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc8574_probe,
|
|
.set_wol = &vsc85xx_wol_set,
|
|
.get_wol = &vsc85xx_wol_get,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
},
|
|
{
|
|
.phy_id = PHY_ID_VSC8584,
|
|
.name = "Microsemi GE VSC8584 SyncE",
|
|
.phy_id_mask = 0xfffffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.soft_reset = &genphy_soft_reset,
|
|
.config_init = &vsc8584_config_init,
|
|
.config_aneg = &vsc85xx_config_aneg,
|
|
.aneg_done = &genphy_aneg_done,
|
|
.read_status = &vsc85xx_read_status,
|
|
.ack_interrupt = &vsc85xx_ack_interrupt,
|
|
.config_intr = &vsc85xx_config_intr,
|
|
.did_interrupt = &vsc8584_did_interrupt,
|
|
.suspend = &genphy_suspend,
|
|
.resume = &genphy_resume,
|
|
.probe = &vsc8584_probe,
|
|
.get_tunable = &vsc85xx_get_tunable,
|
|
.set_tunable = &vsc85xx_set_tunable,
|
|
.read_page = &vsc85xx_phy_read_page,
|
|
.write_page = &vsc85xx_phy_write_page,
|
|
.get_sset_count = &vsc85xx_get_sset_count,
|
|
.get_strings = &vsc85xx_get_strings,
|
|
.get_stats = &vsc85xx_get_stats,
|
|
}
|
|
|
|
};
|
|
|
|
module_phy_driver(vsc85xx_driver);
|
|
|
|
static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
|
|
{ PHY_ID_VSC8530, 0xfffffff0, },
|
|
{ PHY_ID_VSC8531, 0xfffffff0, },
|
|
{ PHY_ID_VSC8540, 0xfffffff0, },
|
|
{ PHY_ID_VSC8541, 0xfffffff0, },
|
|
{ PHY_ID_VSC8574, 0xfffffff0, },
|
|
{ PHY_ID_VSC8584, 0xfffffff0, },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);
|
|
|
|
MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
|
|
MODULE_AUTHOR("Nagaraju Lakkaraju");
|
|
MODULE_LICENSE("Dual MIT/GPL");
|