xref: /openbmc/u-boot/board/freescale/t104xrdb/eth.c (revision fea7f3aa)
1 /*
2  * Copyright 2014 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <netdev.h>
9 #include <asm/fsl_serdes.h>
10 #include <asm/immap_85xx.h>
11 #include <fm_eth.h>
12 #include <fsl_mdio.h>
13 #include <malloc.h>
14 #include <asm/fsl_dtsec.h>
15 #include <vsc9953.h>
16 
17 #include "../common/fman.h"
18 
19 int board_eth_init(bd_t *bis)
20 {
21 #ifdef CONFIG_FMAN_ENET
22 	struct memac_mdio_info memac_mdio_info;
23 	unsigned int i;
24 	int phy_addr = 0;
25 #ifdef CONFIG_VSC9953
26 	phy_interface_t phy_int;
27 	struct mii_dev *bus;
28 #endif
29 
30 	printf("Initializing Fman\n");
31 
32 	memac_mdio_info.regs =
33 		(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
34 	memac_mdio_info.name = DEFAULT_FM_MDIO_NAME;
35 
36 	/* Register the real 1G MDIO bus */
37 	fm_memac_mdio_init(bis, &memac_mdio_info);
38 
39 	/*
40 	 * Program on board RGMII, SGMII PHY addresses.
41 	 */
42 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
43 		int idx = i - FM1_DTSEC1;
44 
45 		switch (fm_info_get_enet_if(i)) {
46 #if defined(CONFIG_T1040RDB) || defined(CONFIG_T1040D4RDB)
47 		case PHY_INTERFACE_MODE_SGMII:
48 			/* T1040RDB & T1040D4RDB only supports SGMII on
49 			 * DTSEC3
50 			 */
51 			fm_info_set_phy_address(FM1_DTSEC3,
52 						CONFIG_SYS_SGMII1_PHY_ADDR);
53 			break;
54 #endif
55 #ifdef CONFIG_T1042RDB
56 		case PHY_INTERFACE_MODE_SGMII:
57 			/* T1042RDB doesn't supports SGMII on DTSEC1 & DTSEC2 */
58 			if ((FM1_DTSEC1 == i) || (FM1_DTSEC2 == i))
59 				fm_info_set_phy_address(i, 0);
60 			/* T1042RDB only supports SGMII on DTSEC3 */
61 			fm_info_set_phy_address(FM1_DTSEC3,
62 						CONFIG_SYS_SGMII1_PHY_ADDR);
63 			break;
64 #endif
65 #ifdef CONFIG_T1042D4RDB
66 		case PHY_INTERFACE_MODE_SGMII:
67 			/* T1042D4RDB supports SGMII on DTSEC1, DTSEC2
68 			 *  & DTSEC3
69 			 */
70 			if (FM1_DTSEC1 == i)
71 				phy_addr = CONFIG_SYS_SGMII1_PHY_ADDR;
72 			if (FM1_DTSEC2 == i)
73 				phy_addr = CONFIG_SYS_SGMII2_PHY_ADDR;
74 			if (FM1_DTSEC3 == i)
75 				phy_addr = CONFIG_SYS_SGMII3_PHY_ADDR;
76 			fm_info_set_phy_address(i, phy_addr);
77 			break;
78 #endif
79 		case PHY_INTERFACE_MODE_RGMII:
80 			if (FM1_DTSEC4 == i)
81 				phy_addr = CONFIG_SYS_RGMII1_PHY_ADDR;
82 			if (FM1_DTSEC5 == i)
83 				phy_addr = CONFIG_SYS_RGMII2_PHY_ADDR;
84 			fm_info_set_phy_address(i, phy_addr);
85 			break;
86 		case PHY_INTERFACE_MODE_QSGMII:
87 			fm_info_set_phy_address(i, 0);
88 			break;
89 		case PHY_INTERFACE_MODE_NONE:
90 			fm_info_set_phy_address(i, 0);
91 			break;
92 		default:
93 			printf("Fman1: DTSEC%u set to unknown interface %i\n",
94 			       idx + 1, fm_info_get_enet_if(i));
95 			fm_info_set_phy_address(i, 0);
96 			break;
97 		}
98 		if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_QSGMII ||
99 		    fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_NONE)
100 			fm_info_set_mdio(i, NULL);
101 		else
102 			fm_info_set_mdio(i,
103 					 miiphy_get_dev_by_name(
104 							DEFAULT_FM_MDIO_NAME));
105 	}
106 
107 #ifdef CONFIG_VSC9953
108 	/* SerDes configured for QSGMII */
109 	if (serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_A) >= 0) {
110 		for (i = 0; i < 4; i++) {
111 			bus = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
112 			phy_addr = CONFIG_SYS_FM1_QSGMII11_PHY_ADDR + i;
113 			phy_int = PHY_INTERFACE_MODE_QSGMII;
114 
115 			vsc9953_port_info_set_mdio(i, bus);
116 			vsc9953_port_info_set_phy_address(i, phy_addr);
117 			vsc9953_port_info_set_phy_int(i, phy_int);
118 			vsc9953_port_enable(i);
119 		}
120 	}
121 	if (serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_B) >= 0) {
122 		for (i = 4; i < 8; i++) {
123 			bus = miiphy_get_dev_by_name(DEFAULT_FM_MDIO_NAME);
124 			phy_addr = CONFIG_SYS_FM1_QSGMII21_PHY_ADDR + i - 4;
125 			phy_int = PHY_INTERFACE_MODE_QSGMII;
126 
127 			vsc9953_port_info_set_mdio(i, bus);
128 			vsc9953_port_info_set_phy_address(i, phy_addr);
129 			vsc9953_port_info_set_phy_int(i, phy_int);
130 			vsc9953_port_enable(i);
131 		}
132 	}
133 
134 	/* Connect DTSEC1 to L2 switch if it doesn't have a PHY */
135 	if (serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC1) < 0)
136 		vsc9953_port_enable(8);
137 
138 	/* Connect DTSEC2 to L2 switch if it doesn't have a PHY */
139 	if (serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC2) < 0) {
140 		/* Enable L2 On MAC2 using SCFG */
141 		struct ccsr_scfg *scfg = (struct ccsr_scfg *)
142 				CONFIG_SYS_MPC85xx_SCFG;
143 
144 		out_be32(&scfg->esgmiiselcr, in_be32(&scfg->esgmiiselcr) |
145 			 (0x80000000));
146 		vsc9953_port_enable(9);
147 	}
148 #endif
149 
150 	cpu_eth_init(bis);
151 #endif
152 
153 	return pci_eth_init(bis);
154 }
155