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gerrit.cesnet.cz / github / trini / u-boot / 9c21df15474b9f722822a95d334796cd97b3448b / . / drivers / net / fm / ls1046.c
blob: bf555548b7b4a9944251edb8ab8e0bc05a306f13 [file] [log] [blame]
Mingkai Hu9d3b8bd2016-07-05 16:01:56 +0800[diff] [blame]1/*
2 * Copyright 2016 Freescale Semiconductor, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6#include <common.h>
7#include <phy.h>
8#include <fm_eth.h>
9#include <asm/io.h>
10#include <asm/arch/fsl_serdes.h>
11
12#define FSL_CHASSIS2_RCWSR13_EC1 0xe0000000 /* bits 416..418 */
13#define FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII 0x00000000
14#define FSL_CHASSIS2_RCWSR13_EC1_GPIO 0x20000000
15#define FSL_CHASSIS2_RCWSR13_EC1_FTM 0xa0000000
16#define FSL_CHASSIS2_RCWSR13_EC2 0x1c000000 /* bits 419..421 */
17#define FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII 0x00000000
18#define FSL_CHASSIS2_RCWSR13_EC2_GPIO 0x04000000
19#define FSL_CHASSIS2_RCWSR13_EC2_1588 0x08000000
20#define FSL_CHASSIS2_RCWSR13_EC2_FTM 0x14000000
21
22u32 port_to_devdisr[] = {
23 [FM1_DTSEC1] = FSL_CHASSIS2_DEVDISR2_DTSEC1_1,
24 [FM1_DTSEC2] = FSL_CHASSIS2_DEVDISR2_DTSEC1_2,
25 [FM1_DTSEC3] = FSL_CHASSIS2_DEVDISR2_DTSEC1_3,
26 [FM1_DTSEC4] = FSL_CHASSIS2_DEVDISR2_DTSEC1_4,
27 [FM1_DTSEC5] = FSL_CHASSIS2_DEVDISR2_DTSEC1_5,
28 [FM1_DTSEC6] = FSL_CHASSIS2_DEVDISR2_DTSEC1_6,
29 [FM1_DTSEC9] = FSL_CHASSIS2_DEVDISR2_DTSEC1_9,
30 [FM1_DTSEC10] = FSL_CHASSIS2_DEVDISR2_DTSEC1_10,
31 [FM1_10GEC1] = FSL_CHASSIS2_DEVDISR2_10GEC1_1,
32 [FM1_10GEC2] = FSL_CHASSIS2_DEVDISR2_10GEC1_2,
33 [FM1_10GEC3] = FSL_CHASSIS2_DEVDISR2_10GEC1_3,
34 [FM1_10GEC4] = FSL_CHASSIS2_DEVDISR2_10GEC1_4,
35};
36
37static int is_device_disabled(enum fm_port port)
38{
39 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
40 u32 devdisr2 = in_be32(&gur->devdisr2);
41
42 return port_to_devdisr[port] & devdisr2;
43}
44
45void fman_disable_port(enum fm_port port)
46{
47 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
48
49 setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
50}
51
52phy_interface_t fman_port_enet_if(enum fm_port port)
53{
54 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
55 u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
56
57 if (is_device_disabled(port))
58 return PHY_INTERFACE_MODE_NONE;
59
60 if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC9)))
61 return PHY_INTERFACE_MODE_XGMII;
62
63 if ((port == FM1_DTSEC9) && (is_serdes_configured(XFI_FM1_MAC9)))
64 return PHY_INTERFACE_MODE_NONE;
65
66 if ((port == FM1_10GEC2) && (is_serdes_configured(XFI_FM1_MAC10)))
67 return PHY_INTERFACE_MODE_XGMII;
68
69 if ((port == FM1_DTSEC10) && (is_serdes_configured(XFI_FM1_MAC10)))
70 return PHY_INTERFACE_MODE_NONE;
71
72 if (port == FM1_DTSEC3)
73 if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC1) ==
74 FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII)
75 return PHY_INTERFACE_MODE_RGMII;
76
77 if (port == FM1_DTSEC4)
78 if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC2) ==
79 FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII)
80 return PHY_INTERFACE_MODE_RGMII;
81
82 /* handle SGMII, only MAC 2/5/6/9/10 available */
83 switch (port) {
84 case FM1_DTSEC2:
85 case FM1_DTSEC5:
86 case FM1_DTSEC6:
87 case FM1_DTSEC9:
88 case FM1_DTSEC10:
89 if (is_serdes_configured(SGMII_FM1_DTSEC2 + port - FM1_DTSEC2))
90 return PHY_INTERFACE_MODE_SGMII;
91 break;
92 default:
93 break;
94 }
95
96 /* handle 2.5G SGMII, only MAC 5/9/10 available */
97 switch (port) {
98 case FM1_DTSEC5:
99 case FM1_DTSEC9:
100 case FM1_DTSEC10:
101 if (is_serdes_configured(SGMII_2500_FM1_DTSEC5 +
102 port - FM1_DTSEC5))
103 return PHY_INTERFACE_MODE_SGMII_2500;
104 break;
105 default:
106 break;
107 }
108
109 /* handle QSGMII, only MAC 1/5/6/10 available */
110 switch (port) {
111 case FM1_DTSEC1:
112 case FM1_DTSEC5:
113 case FM1_DTSEC6:
114 case FM1_DTSEC10:
115 if (is_serdes_configured(QSGMII_FM1_A))
116 return PHY_INTERFACE_MODE_QSGMII;
117 break;
118 default:
119 break;
120 }
121
122 return PHY_INTERFACE_MODE_NONE;
123}