1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2017 NXP
4 */
5 #include <common.h>
6 #include <phy.h>
7 #include <fsl-mc/ldpaa_wriop.h>
8 #include <asm/io.h>
9 #include <asm/arch/fsl_serdes.h>
10 #include <asm/arch/soc.h>
11
12 u32 dpmac_to_devdisr[] = {
13 [WRIOP1_DPMAC1] = FSL_CHASSIS3_DEVDISR2_DPMAC1,
14 [WRIOP1_DPMAC2] = FSL_CHASSIS3_DEVDISR2_DPMAC2,
15 [WRIOP1_DPMAC3] = FSL_CHASSIS3_DEVDISR2_DPMAC3,
16 [WRIOP1_DPMAC4] = FSL_CHASSIS3_DEVDISR2_DPMAC4,
17 [WRIOP1_DPMAC5] = FSL_CHASSIS3_DEVDISR2_DPMAC5,
18 [WRIOP1_DPMAC6] = FSL_CHASSIS3_DEVDISR2_DPMAC6,
19 [WRIOP1_DPMAC7] = FSL_CHASSIS3_DEVDISR2_DPMAC7,
20 [WRIOP1_DPMAC8] = FSL_CHASSIS3_DEVDISR2_DPMAC8,
21 [WRIOP1_DPMAC9] = FSL_CHASSIS3_DEVDISR2_DPMAC9,
22 [WRIOP1_DPMAC10] = FSL_CHASSIS3_DEVDISR2_DPMAC10,
23 };
24
is_device_disabled(int dpmac_id)25 static int is_device_disabled(int dpmac_id)
26 {
27 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
28 u32 devdisr2 = in_le32(&gur->devdisr2);
29
30 return dpmac_to_devdisr[dpmac_id] & devdisr2;
31 }
32
wriop_dpmac_disable(int dpmac_id)33 void wriop_dpmac_disable(int dpmac_id)
34 {
35 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
36
37 setbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
38 }
39
wriop_dpmac_enable(int dpmac_id)40 void wriop_dpmac_enable(int dpmac_id)
41 {
42 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
43
44 clrbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
45 }
46
wriop_dpmac_enet_if(int dpmac_id,int lane_prtcl)47 phy_interface_t wriop_dpmac_enet_if(int dpmac_id, int lane_prtcl)
48 {
49 enum srds_prtcl;
50
51 if (is_device_disabled(dpmac_id + 1))
52 return PHY_INTERFACE_MODE_NONE;
53
54 switch (lane_prtcl) {
55 case SGMII1:
56 case SGMII2:
57 case SGMII3:
58 case SGMII7:
59 return PHY_INTERFACE_MODE_SGMII;
60 }
61
62 if (lane_prtcl >= XFI1 && lane_prtcl <= XFI2)
63 return PHY_INTERFACE_MODE_XGMII;
64
65 if (lane_prtcl >= QSGMII_A && lane_prtcl <= QSGMII_B)
66 return PHY_INTERFACE_MODE_QSGMII;
67
68 return PHY_INTERFACE_MODE_NONE;
69 }
70
wriop_init_dpmac_qsgmii(int sd,int lane_prtcl)71 void wriop_init_dpmac_qsgmii(int sd, int lane_prtcl)
72 {
73 switch (lane_prtcl) {
74 case QSGMII_A:
75 wriop_init_dpmac(sd, 3, (int)lane_prtcl);
76 wriop_init_dpmac(sd, 4, (int)lane_prtcl);
77 wriop_init_dpmac(sd, 5, (int)lane_prtcl);
78 wriop_init_dpmac(sd, 6, (int)lane_prtcl);
79 break;
80 case QSGMII_B:
81 wriop_init_dpmac(sd, 7, (int)lane_prtcl);
82 wriop_init_dpmac(sd, 8, (int)lane_prtcl);
83 wriop_init_dpmac(sd, 9, (int)lane_prtcl);
84 wriop_init_dpmac(sd, 10, (int)lane_prtcl);
85 break;
86 }
87 }
88
89 #ifdef CONFIG_SYS_FSL_HAS_RGMII
fsl_rgmii_init(void)90 void fsl_rgmii_init(void)
91 {
92 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
93 u32 ec;
94
95 #ifdef CONFIG_SYS_FSL_EC1
96 ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC1_REGSR - 1])
97 & FSL_CHASSIS3_RCWSR25_EC1_PRTCL_MASK;
98 ec >>= FSL_CHASSIS3_RCWSR25_EC1_PRTCL_SHIFT;
99
100 if (!ec)
101 wriop_init_dpmac_enet_if(4, PHY_INTERFACE_MODE_RGMII_ID);
102 #endif
103
104 #ifdef CONFIG_SYS_FSL_EC2
105 ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC2_REGSR - 1])
106 & FSL_CHASSIS3_RCWSR25_EC2_PRTCL_MASK;
107 ec >>= FSL_CHASSIS3_RCWSR25_EC2_PRTCL_SHIFT;
108
109 if (!ec)
110 wriop_init_dpmac_enet_if(5, PHY_INTERFACE_MODE_RGMII_ID);
111 #endif
112 }
113 #endif
114