2 * Copyright (c) 2017 Microchip Technology Inc. All rights reserved.
4 * SPDX-License-Identifier: GPL-2.0+
10 /* USB Vendor Requests */
11 #define USB_VENDOR_REQUEST_WRITE_REGISTER 0xA0
12 #define USB_VENDOR_REQUEST_READ_REGISTER 0xA1
13 #define USB_VENDOR_REQUEST_GET_STATS 0xA2
16 #define TX_CMD_A_FCS BIT(22)
17 #define TX_CMD_A_LEN_MASK 0x000FFFFF
20 #define RX_CMD_A_RXE BIT(18)
21 #define RX_CMD_A_LEN_MASK 0x00003FFF
25 #define ID_REV_CHIP_ID_MASK 0xFFFF0000
26 #define ID_REV_CHIP_ID_7500 0x7500
27 #define ID_REV_CHIP_ID_7800 0x7800
28 #define ID_REV_CHIP_ID_7850 0x7850
33 #define HW_CFG_LRST BIT(1)
36 #define PMT_CTL_PHY_PWRUP BIT(10)
37 #define PMT_CTL_READY BIT(7)
38 #define PMT_CTL_PHY_RST BIT(4)
41 #define E2P_CMD_EPC_BUSY BIT(31)
42 #define E2P_CMD_EPC_CMD_READ 0x00000000
43 #define E2P_CMD_EPC_TIMEOUT BIT(10)
44 #define E2P_CMD_EPC_ADDR_MASK 0x000001FF
46 #define E2P_DATA 0x044
48 #define RFE_CTL_BCAST_EN BIT(10)
49 #define RFE_CTL_DA_PERFECT BIT(1)
51 #define FCT_RX_CTL_EN BIT(31)
53 #define FCT_TX_CTL_EN BIT(31)
56 #define MAC_CR_ADP BIT(13)
57 #define MAC_CR_AUTO_DUPLEX BIT(12)
58 #define MAC_CR_AUTO_SPEED BIT(11)
61 #define MAC_RX_FCS_STRIP BIT(4)
62 #define MAC_RX_RXEN BIT(0)
65 #define MAC_TX_TXEN BIT(0)
68 #define FLOW_CR_TX_FCEN BIT(30)
69 #define FLOW_CR_RX_FCEN BIT(29)
71 #define RX_ADDRH 0x118
72 #define RX_ADDRL 0x11C
75 #define MII_ACC_MII_READ 0x00000000
76 #define MII_ACC_MII_WRITE 0x00000002
77 #define MII_ACC_MII_BUSY BIT(0)
79 #define MII_DATA 0x124
81 #define SS_USB_PKT_SIZE 1024
82 #define HS_USB_PKT_SIZE 512
83 #define FS_USB_PKT_SIZE 64
85 #define MAX_RX_FIFO_SIZE (12 * 1024)
86 #define MAX_TX_FIFO_SIZE (12 * 1024)
87 #define DEFAULT_BULK_IN_DELAY 0x0800
89 #define EEPROM_INDICATOR 0xA5
90 #define EEPROM_MAC_OFFSET 0x01
92 /* Some extra defines */
93 #define LAN7X_INTERNAL_PHY_ID 1
95 #define LAN7X_MAC_RX_MAX_SIZE(mtu) \
96 ((mtu) << 16) /* Max frame size */
97 #define LAN7X_MAC_RX_MAX_SIZE_DEFAULT \
98 LAN7X_MAC_RX_MAX_SIZE(ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */)
101 #define USB_CTRL_SET_TIMEOUT_MS 5000
102 #define USB_CTRL_GET_TIMEOUT_MS 5000
103 #define USB_BULK_SEND_TIMEOUT_MS 5000
104 #define USB_BULK_RECV_TIMEOUT_MS 5000
105 #define TIMEOUT_RESOLUTION_MS 50
106 #define PHY_CONNECT_TIMEOUT_MS 5000
108 #define RX_URB_SIZE 2048
111 struct lan7x_private {
112 struct ueth_data ueth;
113 u32 chipid; /* Chip or device ID */
114 struct mii_dev *mdiobus;
115 struct phy_device *phydev;
119 * Lan7x infrastructure commands
122 int lan7x_write_reg(struct usb_device *udev, u32 index, u32 data);
124 int lan7x_read_reg(struct usb_device *udev, u32 index, u32 *data);
126 static inline int lan7x_wait_for_bit(struct usb_device *udev,
127 const char *prefix, const u32 reg,
128 const u32 mask, const bool set,
129 const unsigned int timeout_ms,
130 const bool breakable)
133 unsigned long start = get_timer(0);
136 lan7x_read_reg(udev, reg, &val);
141 if ((val & mask) == mask)
144 if (get_timer(start) > timeout_ms)
147 if (breakable && ctrlc()) {
156 debug("%s: Timeout (reg=0x%x mask=%08x wait_set=%i)\n", prefix, reg,
162 int lan7x_mdio_read(struct usb_device *udev, int phy_id, int idx);
164 void lan7x_mdio_write(struct usb_device *udev, int phy_id, int idx,
167 static inline int lan7x_mdio_wait_for_bit(struct usb_device *udev,
169 int phy_id, const u32 reg,
170 const u32 mask, const bool set,
171 const unsigned int timeout_ms,
172 const bool breakable)
175 unsigned long start = get_timer(0);
178 val = lan7x_mdio_read(udev, phy_id, reg);
183 if ((val & mask) == mask)
186 if (get_timer(start) > timeout_ms)
189 if (breakable && ctrlc()) {
198 debug("%s: Timeout (reg=0x%x mask=%08x wait_set=%i)\n", prefix, reg,
204 int lan7x_phylib_register(struct udevice *udev);
206 int lan7x_eth_phylib_connect(struct udevice *udev, struct ueth_data *dev);
208 int lan7x_eth_phylib_config_start(struct udevice *udev);
210 int lan7x_pmt_phy_reset(struct usb_device *udev,
211 struct ueth_data *dev);
213 int lan7x_update_flowcontrol(struct usb_device *udev,
214 struct ueth_data *dev,
215 uint32_t *flow, uint32_t *fct_flow);
217 int lan7x_read_eeprom_mac(unsigned char *enetaddr, struct usb_device *udev);
219 int lan7x_basic_reset(struct usb_device *udev,
220 struct ueth_data *dev);
222 void lan7x_eth_stop(struct udevice *dev);
224 int lan7x_eth_send(struct udevice *dev, void *packet, int length);
226 int lan7x_eth_recv(struct udevice *dev, int flags, uchar **packetp);
228 int lan7x_free_pkt(struct udevice *dev, uchar *packet, int packet_len);
230 int lan7x_eth_remove(struct udevice *dev);