xref: /openbmc/u-boot/board/freescale/t104xrdb/eth.c (revision dd1033e4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <netdev.h>
8 #include <asm/fsl_serdes.h>
9 #include <asm/immap_85xx.h>
10 #include <fm_eth.h>
11 #include <fsl_mdio.h>
12 #include <malloc.h>
13 #include <fsl_dtsec.h>
14 #include <vsc9953.h>
15 
16 #include "../common/fman.h"
17 
18 int board_eth_init(bd_t *bis)
19 {
20 #ifdef CONFIG_FMAN_ENET
21 	struct memac_mdio_info memac_mdio_info;
22 	unsigned int i;
23 	int phy_addr = 0;
24 #ifdef CONFIG_VSC9953
25 	phy_interface_t phy_int;
26 	struct mii_dev *bus;
27 #endif
28 
29 	printf("Initializing Fman\n");
30 
31 	memac_mdio_info.regs =
32 		(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
33 	memac_mdio_info.name = DEFAULT_FM_MDIO_NAME;
34 
35 	/* Register the real 1G MDIO bus */
36 	fm_memac_mdio_init(bis, &memac_mdio_info);
37 
38 	/*
39 	 * Program on board RGMII, SGMII PHY addresses.
40 	 */
41 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
42 		int idx = i - FM1_DTSEC1;
43 
44 		switch (fm_info_get_enet_if(i)) {
45 #if defined(CONFIG_TARGET_T1040RDB) || defined(CONFIG_TARGET_T1040D4RDB)
46 		case PHY_INTERFACE_MODE_SGMII:
47 			/* T1040RDB & T1040D4RDB only supports SGMII on
48 			 * DTSEC3
49 			 */
50 			fm_info_set_phy_address(FM1_DTSEC3,
51 						CONFIG_SYS_SGMII1_PHY_ADDR);
52 			break;
53 #endif
54 #ifdef CONFIG_TARGET_T1042RDB
55 		case PHY_INTERFACE_MODE_SGMII:
56 			/* T1042RDB doesn't supports SGMII on DTSEC1 & DTSEC2 */
57 			if ((FM1_DTSEC1 == i) || (FM1_DTSEC2 == i))
58 				fm_info_set_phy_address(i, 0);
59 			/* T1042RDB only supports SGMII on DTSEC3 */
60 			fm_info_set_phy_address(FM1_DTSEC3,
61 						CONFIG_SYS_SGMII1_PHY_ADDR);
62 			break;
63 #endif
64 #ifdef CONFIG_TARGET_T1042D4RDB
65 		case PHY_INTERFACE_MODE_SGMII:
66 			/* T1042D4RDB supports SGMII on DTSEC1, DTSEC2
67 			 *  & DTSEC3
68 			 */
69 			if (FM1_DTSEC1 == i)
70 				phy_addr = CONFIG_SYS_SGMII1_PHY_ADDR;
71 			if (FM1_DTSEC2 == i)
72 				phy_addr = CONFIG_SYS_SGMII2_PHY_ADDR;
73 			if (FM1_DTSEC3 == i)
74 				phy_addr = CONFIG_SYS_SGMII3_PHY_ADDR;
75 			fm_info_set_phy_address(i, phy_addr);
76 			break;
77 #endif
78 		case PHY_INTERFACE_MODE_RGMII:
79 			if (FM1_DTSEC4 == i)
80 				phy_addr = CONFIG_SYS_RGMII1_PHY_ADDR;
81 			if (FM1_DTSEC5 == i)
82 				phy_addr = CONFIG_SYS_RGMII2_PHY_ADDR;
83 			fm_info_set_phy_address(i, phy_addr);
84 			break;
85 		case PHY_INTERFACE_MODE_QSGMII:
86 			fm_info_set_phy_address(i, 0);
87 			break;
88 		case PHY_INTERFACE_MODE_NONE:
89 			fm_info_set_phy_address(i, 0);
90 			break;
91 		default:
92 			printf("Fman1: DTSEC%u set to unknown interface %i\n",
93 			       idx + 1, fm_info_get_enet_if(i));
94 			fm_info_set_phy_address(i, 0);
95 			break;
96 		}
97 		if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_QSGMII ||
98 		    fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_NONE)
99 			fm_info_set_mdio(i, NULL);
100 		else
101 			fm_info_set_mdio(i,
102 					 miiphy_get_dev_by_name(
103 							DEFAULT_FM_MDIO_NAME));
104 	}
105 
106 #ifdef CONFIG_VSC9953
107 	/* SerDes configured for QSGMII */
108 	if (serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_A) >= 0) {
109 		for (i = 0; i < 4; i++) {
110 			bus = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
111 			phy_addr = CONFIG_SYS_FM1_QSGMII11_PHY_ADDR + i;
112 			phy_int = PHY_INTERFACE_MODE_QSGMII;
113 
114 			vsc9953_port_info_set_mdio(i, bus);
115 			vsc9953_port_info_set_phy_address(i, phy_addr);
116 			vsc9953_port_info_set_phy_int(i, phy_int);
117 			vsc9953_port_enable(i);
118 		}
119 	}
120 	if (serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_B) >= 0) {
121 		for (i = 4; i < 8; i++) {
122 			bus = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
123 			phy_addr = CONFIG_SYS_FM1_QSGMII21_PHY_ADDR + i - 4;
124 			phy_int = PHY_INTERFACE_MODE_QSGMII;
125 
126 			vsc9953_port_info_set_mdio(i, bus);
127 			vsc9953_port_info_set_phy_address(i, phy_addr);
128 			vsc9953_port_info_set_phy_int(i, phy_int);
129 			vsc9953_port_enable(i);
130 		}
131 	}
132 
133 	/* Connect DTSEC1 to L2 switch if it doesn't have a PHY */
134 	if (serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC1) < 0)
135 		vsc9953_port_enable(8);
136 
137 	/* Connect DTSEC2 to L2 switch if it doesn't have a PHY */
138 	if (serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC2) < 0) {
139 		/* Enable L2 On MAC2 using SCFG */
140 		struct ccsr_scfg *scfg = (struct ccsr_scfg *)
141 				CONFIG_SYS_MPC85xx_SCFG;
142 
143 		out_be32(&scfg->esgmiiselcr, in_be32(&scfg->esgmiiselcr) |
144 			 (0x80000000));
145 		vsc9953_port_enable(9);
146 	}
147 #endif
148 
149 	cpu_eth_init(bis);
150 #endif
151 
152 	return pci_eth_init(bis);
153 }
154