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58c3e620 PJ |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
9ed303df | 3 | * Copyright 2018, 2020 NXP |
58c3e620 PJ |
4 | * |
5 | */ | |
6 | ||
d678a59d | 7 | #include <common.h> |
58c3e620 | 8 | #include <netdev.h> |
58c3e620 | 9 | #include <exports.h> |
58c3e620 | 10 | #include <fsl-mc/fsl_mc.h> |
c761028e | 11 | #include "lx2160a.h" |
58c3e620 PJ |
12 | |
13 | DECLARE_GLOBAL_DATA_PTR; | |
14 | ||
b75d8dc5 | 15 | int board_eth_init(struct bd_info *bis) |
58c3e620 | 16 | { |
58c3e620 PJ |
17 | #ifdef CONFIG_PHY_AQUANTIA |
18 | /* | |
19 | * Export functions to be used by AQ firmware | |
20 | * upload application | |
21 | */ | |
22 | gd->jt->strcpy = strcpy; | |
23 | gd->jt->mdelay = mdelay; | |
24 | gd->jt->mdio_get_current_dev = mdio_get_current_dev; | |
25 | gd->jt->phy_find_by_mask = phy_find_by_mask; | |
26 | gd->jt->mdio_phydev_for_ethname = mdio_phydev_for_ethname; | |
27 | gd->jt->miiphy_set_current_dev = miiphy_set_current_dev; | |
28 | #endif | |
29 | return pci_eth_init(bis); | |
30 | } | |
31 | ||
32 | #if defined(CONFIG_RESET_PHY_R) | |
33 | void reset_phy(void) | |
34 | { | |
35 | #if defined(CONFIG_FSL_MC_ENET) | |
36 | mc_env_boot(); | |
37 | #endif | |
38 | } | |
39 | #endif /* CONFIG_RESET_PHY_R */ | |
c761028e FC |
40 | |
41 | static int fdt_get_dpmac_node(void *fdt, int dpmac_id) | |
42 | { | |
43 | char dpmac_str[11] = "dpmacs@00"; | |
44 | int offset, dpmacs_offset; | |
45 | ||
46 | /* get the dpmac offset */ | |
47 | dpmacs_offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs"); | |
48 | if (dpmacs_offset < 0) | |
49 | dpmacs_offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs"); | |
50 | ||
51 | if (dpmacs_offset < 0) { | |
52 | printf("dpmacs node not found in device tree\n"); | |
53 | return dpmacs_offset; | |
54 | } | |
55 | ||
56 | sprintf(dpmac_str, "dpmac@%x", dpmac_id); | |
57 | offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str); | |
58 | if (offset < 0) { | |
59 | sprintf(dpmac_str, "ethernet@%x", dpmac_id); | |
60 | offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str); | |
61 | if (offset < 0) { | |
62 | printf("dpmac@%x/ethernet@%x node not found in device tree\n", | |
63 | dpmac_id, dpmac_id); | |
64 | return offset; | |
65 | } | |
66 | } | |
67 | ||
68 | return offset; | |
69 | } | |
70 | ||
71 | static int fdt_update_phy_addr(void *fdt, int dpmac_id, int phy_addr) | |
72 | { | |
73 | char dpmac_str[] = "dpmacs@00"; | |
74 | const u32 *phyhandle; | |
75 | int offset; | |
76 | int err; | |
77 | ||
78 | /* get the dpmac offset */ | |
79 | offset = fdt_get_dpmac_node(fdt, dpmac_id); | |
80 | if (offset < 0) | |
81 | return offset; | |
82 | ||
83 | /* get dpmac phy-handle */ | |
84 | sprintf(dpmac_str, "dpmac@%x", dpmac_id); | |
85 | phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL); | |
86 | if (!phyhandle) { | |
87 | printf("%s node not found in device tree\n", dpmac_str); | |
88 | return offset; | |
89 | } | |
90 | ||
91 | offset = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyhandle)); | |
92 | if (offset < 0) { | |
93 | printf("Could not get the ph node offset for dpmac %d\n", | |
94 | dpmac_id); | |
95 | return offset; | |
96 | } | |
97 | ||
98 | phy_addr = cpu_to_fdt32(phy_addr); | |
99 | err = fdt_setprop(fdt, offset, "reg", &phy_addr, sizeof(phy_addr)); | |
100 | if (err < 0) { | |
101 | printf("Could not set phy node's reg for dpmac %d: %s.\n", | |
102 | dpmac_id, fdt_strerror(err)); | |
103 | return err; | |
104 | } | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | static int fdt_delete_phy_handle(void *fdt, int dpmac_id) | |
110 | { | |
111 | const u32 *phyhandle; | |
112 | int offset; | |
113 | ||
114 | /* get the dpmac offset */ | |
115 | offset = fdt_get_dpmac_node(fdt, dpmac_id); | |
116 | if (offset < 0) | |
117 | return offset; | |
118 | ||
119 | /* verify if the node has a phy-handle */ | |
120 | phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL); | |
121 | if (!phyhandle) | |
122 | return 0; | |
123 | ||
124 | return fdt_delprop(fdt, offset, "phy-handle"); | |
125 | } | |
126 | ||
127 | int fdt_fixup_board_phy_revc(void *fdt) | |
128 | { | |
129 | int ret; | |
130 | ||
131 | if (get_board_rev() < 'C') | |
132 | return 0; | |
133 | ||
134 | /* DPMACs 3,4 have their Aquantia PHYs at new addresses */ | |
135 | ret = fdt_update_phy_addr(fdt, 3, AQR113C_PHY_ADDR1); | |
136 | if (ret) | |
137 | return ret; | |
138 | ||
139 | ret = fdt_update_phy_addr(fdt, 4, AQR113C_PHY_ADDR2); | |
140 | if (ret) | |
141 | return ret; | |
142 | ||
143 | /* There is no PHY for the DPMAC2, so remove the phy-handle */ | |
144 | return fdt_delete_phy_handle(fdt, 2); | |
145 | } |