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[u-boot] / drivers / net / fm / b4860.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2012 Freescale Semiconductor, Inc.
4  *      Roy Zang <tie-fei.zang@freescale.com>
5  */
6 #include <common.h>
7 #include <phy.h>
8 #include <fm_eth.h>
9 #include <asm/io.h>
10 #include <asm/immap_85xx.h>
11 #include <asm/fsl_serdes.h>
12 #include <hwconfig.h>
13
14 u32 port_to_devdisr[] = {
15         [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
16         [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
17         [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
18         [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
19         [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
20         [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6,
21         [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
22         [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
23 };
24
25 static int is_device_disabled(enum fm_port port)
26 {
27         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
28         u32 devdisr2 = in_be32(&gur->devdisr2);
29
30         return port_to_devdisr[port] & devdisr2;
31 }
32
33 void fman_disable_port(enum fm_port port)
34 {
35         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
36
37         setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
38 }
39
40 void fman_enable_port(enum fm_port port)
41 {
42         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
43
44         clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
45 }
46
47 phy_interface_t fman_port_enet_if(enum fm_port port)
48 {
49 #if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)
50         u32 serdes2_prtcl;
51         char buffer[HWCONFIG_BUFFER_SIZE];
52         char *buf = NULL;
53         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
54 #endif
55
56         if (is_device_disabled(port))
57                 return PHY_INTERFACE_MODE_NONE;
58
59         /*B4860 has two 10Gig Mac*/
60         if ((port == FM1_10GEC1 || port == FM1_10GEC2)  &&
61             ((is_serdes_configured(XAUI_FM1_MAC9))      ||
62              #if (!defined(CONFIG_TARGET_B4860QDS) && \
63                   !defined(CONFIG_TARGET_B4R420QDS))
64              (is_serdes_configured(XFI_FM1_MAC9))       ||
65              (is_serdes_configured(XFI_FM1_MAC10))      ||
66              #endif
67              (is_serdes_configured(XAUI_FM1_MAC10))
68              ))
69                 return PHY_INTERFACE_MODE_XGMII;
70
71 #if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS)
72         serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
73                         FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
74
75         if (serdes2_prtcl) {
76                 serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
77                 switch (serdes2_prtcl) {
78                 case 0x80:
79                 case 0x81:
80                 case 0x82:
81                 case 0x83:
82                 case 0x84:
83                 case 0x85:
84                 case 0x86:
85                 case 0x87:
86                 case 0x88:
87                 case 0x89:
88                 case 0x8a:
89                 case 0x8b:
90                 case 0x8c:
91                 case 0x8d:
92                 case 0x8e:
93                 case 0xb1:
94                 case 0xb2:
95                         /*
96                          * Extract hwconfig from environment since environment
97                          * is not setup yet
98                          */
99                         env_get_f("hwconfig", buffer, sizeof(buffer));
100                         buf = buffer;
101
102                         /* check if XFI interface enable in hwconfig for 10g */
103                         if (hwconfig_subarg_cmp_f("fsl_b4860_serdes2",
104                                                   "sfp_amc", "sfp", buf)) {
105                                 if ((port == FM1_10GEC1 ||
106                                      port == FM1_10GEC2) &&
107                                     ((is_serdes_configured(XFI_FM1_MAC9)) ||
108                                     (is_serdes_configured(XFI_FM1_MAC10))))
109                                         return PHY_INTERFACE_MODE_XGMII;
110                                 else if ((port == FM1_DTSEC1) ||
111                                          (port == FM1_DTSEC2) ||
112                                          (port == FM1_DTSEC3) ||
113                                          (port == FM1_DTSEC4))
114                                         return PHY_INTERFACE_MODE_NONE;
115                         }
116                 }
117         }
118 #endif
119
120         /* Fix me need to handle RGMII here first */
121
122         switch (port) {
123         case FM1_DTSEC1:
124         case FM1_DTSEC2:
125         case FM1_DTSEC3:
126         case FM1_DTSEC4:
127         case FM1_DTSEC5:
128         case FM1_DTSEC6:
129                 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
130                         return PHY_INTERFACE_MODE_SGMII;
131                 break;
132         default:
133                 return PHY_INTERFACE_MODE_NONE;
134         }
135
136         return PHY_INTERFACE_MODE_NONE;
137 }