1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
4 */
5
6 #include <common.h>
7 #include <i2c.h>
8 #include <miiphy.h>
9
10 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
11
12 #define MII_MARVELL_PHY_PAGE 22
13
14 #define MV88E1116_LED_FCTRL_REG 10
15 #define MV88E1116_CPRSP_CR3_REG 21
16 #define MV88E1116_MAC_CTRL_REG 21
17 #define MV88E1116_RGMII_TXTM_CTRL (1 << 4)
18 #define MV88E1116_RGMII_RXTM_CTRL (1 << 5)
19
mv_phy_88e1116_init(const char * name,u16 phyaddr)20 void mv_phy_88e1116_init(const char *name, u16 phyaddr)
21 {
22 u16 reg;
23
24 if (miiphy_set_current_dev(name))
25 return;
26
27 /*
28 * Enable RGMII delay on Tx and Rx for CPU port
29 * Ref: sec 4.7.2 of chip datasheet
30 */
31 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
32 miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®);
33 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
34 miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
35 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
36
37 if (miiphy_reset(name, phyaddr) == 0)
38 printf("88E1116 Initialized on %s\n", name);
39 }
40
mv_phy_88e1318_init(const char * name,u16 phyaddr)41 void mv_phy_88e1318_init(const char *name, u16 phyaddr)
42 {
43 u16 reg;
44
45 if (miiphy_set_current_dev(name))
46 return;
47
48 /*
49 * Set control mode 4 for LED[0].
50 */
51 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 3);
52 miiphy_read(name, phyaddr, 16, ®);
53 reg |= 0xf;
54 miiphy_write(name, phyaddr, 16, reg);
55
56 /*
57 * Enable RGMII delay on Tx and Rx for CPU port
58 * Ref: sec 4.7.2 of chip datasheet
59 */
60 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
61 miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®);
62 reg |= (MV88E1116_RGMII_TXTM_CTRL | MV88E1116_RGMII_RXTM_CTRL);
63 miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
64 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
65
66 if (miiphy_reset(name, phyaddr) == 0)
67 printf("88E1318 Initialized on %s\n", name);
68 }
69 #endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */
70
71 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
lacie_read_mac_address(uchar * mac_addr)72 int lacie_read_mac_address(uchar *mac_addr)
73 {
74 int ret;
75 ushort version;
76
77 /* I2C-0 for on-board EEPROM */
78 i2c_set_bus_num(0);
79
80 /* Check layout version for EEPROM data */
81 ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
82 CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
83 (uchar *) &version, 2);
84 if (ret != 0) {
85 printf("Error: failed to read I2C EEPROM @%02x\n",
86 CONFIG_SYS_I2C_EEPROM_ADDR);
87 return ret;
88 }
89 version = be16_to_cpu(version);
90 if (version < 1 || version > 3) {
91 printf("Error: unknown version %d for EEPROM data\n",
92 version);
93 return -1;
94 }
95
96 /* Read Ethernet MAC address from EEPROM */
97 ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
98 CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6);
99 if (ret != 0)
100 printf("Error: failed to read I2C EEPROM @%02x\n",
101 CONFIG_SYS_I2C_EEPROM_ADDR);
102 return ret;
103 }
104 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */
105