1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2014 Freescale Semiconductor, Inc.
4 * Copyright 2021 NXP
5 *
6 * Shengzhou Liu <Shengzhou.Liu@freescale.com>
7 */
8
9 #include <common.h>
10 #include <command.h>
11 #include <fdt_support.h>
12 #include <net.h>
13 #include <netdev.h>
14 #include <asm/mmu.h>
15 #include <asm/processor.h>
16 #include <asm/immap_85xx.h>
17 #include <asm/fsl_law.h>
18 #include <asm/fsl_serdes.h>
19 #include <asm/fsl_portals.h>
20 #include <asm/fsl_liodn.h>
21 #include <malloc.h>
22 #include <fm_eth.h>
23 #include <fsl_mdio.h>
24 #include <miiphy.h>
25 #include <phy.h>
26 #include <fsl_dtsec.h>
27 #include <asm/fsl_serdes.h>
28
29 extern u8 get_hw_revision(void);
30
31 /* Disable the MAC5 and MAC6 "fsl,fman-memac" nodes and the two
32 * "fsl,dpa-ethernet" nodes that reference them.
33 */
fdt_fixup_board_fman_ethernet(void * fdt)34 void fdt_fixup_board_fman_ethernet(void *fdt)
35 {
36 int mac_off, eth_off, i;
37 char mac_path[2][42] = {
38 "/soc@ffe000000/fman@400000/ethernet@e8000",
39 "/soc@ffe000000/fman@400000/ethernet@ea000",
40 };
41 u32 eth_ph;
42
43 for (i = 0; i < 2; i++) {
44 /* Disable the MAC node */
45 mac_off = fdt_path_offset(fdt, mac_path[i]);
46 if (mac_off < 0)
47 continue;
48 fdt_status_disabled(fdt, mac_off);
49
50 /* Disable the fsl,dpa-ethernet node that points to the MAC.
51 * The fsl,fman-mac property refers to the MAC's phandle.
52 */
53 eth_ph = fdt_get_phandle(fdt, mac_off);
54 if (eth_ph <= 0)
55 continue;
56
57 eth_off = fdt_node_offset_by_prop_value(fdt, -1, "fsl,fman-mac",
58 ð_ph,
59 sizeof(eth_ph));
60 if (eth_off >= 0)
61 fdt_status_disabled(fdt, eth_off);
62 }
63 }
64
65 /* Update the address of the second Aquantia PHY on boards revision D and up.
66 * Also rename the PHY node to align with the address change.
67 */
fdt_fixup_board_phy(void * fdt)68 void fdt_fixup_board_phy(void *fdt)
69 {
70 const char phy_path[] =
71 "/soc@ffe000000/fman@400000/mdio@fd000/ethernet-phy@1";
72 int ret, offset, new_addr = AQR113C_PHY_ADDR2;
73 char new_name[] = "ethernet-phy@00";
74
75 if (get_hw_revision() == 'C')
76 return;
77
78 offset = fdt_path_offset(fdt, phy_path);
79 if (offset < 0) {
80 printf("ethernet-phy@1 node not found in the dts\n");
81 return;
82 }
83
84 ret = fdt_setprop(fdt, offset, "reg", &new_addr, sizeof(new_addr));
85 if (ret < 0) {
86 printf("Unable to set 'reg' for node ethernet-phy@1: %s\n",
87 fdt_strerror(ret));
88 return;
89 }
90
91 sprintf(new_name, "ethernet-phy@%x", new_addr);
92 ret = fdt_set_name(fdt, offset, new_name);
93 if (ret < 0)
94 printf("Unable to rename node ethernet-phy@1: %s\n",
95 fdt_strerror(ret));
96 }
97
fdt_fixup_board_enet(void * fdt)98 void fdt_fixup_board_enet(void *fdt)
99 {
100 return;
101 }
102