1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2018, 2020 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 #include <linux/mii.h>
12
13 u32 dpmac_to_devdisr[] = {
14 [WRIOP1_DPMAC1] = FSL_CHASSIS3_DEVDISR2_DPMAC1,
15 [WRIOP1_DPMAC2] = FSL_CHASSIS3_DEVDISR2_DPMAC2,
16 [WRIOP1_DPMAC3] = FSL_CHASSIS3_DEVDISR2_DPMAC3,
17 [WRIOP1_DPMAC4] = FSL_CHASSIS3_DEVDISR2_DPMAC4,
18 [WRIOP1_DPMAC5] = FSL_CHASSIS3_DEVDISR2_DPMAC5,
19 [WRIOP1_DPMAC6] = FSL_CHASSIS3_DEVDISR2_DPMAC6,
20 [WRIOP1_DPMAC7] = FSL_CHASSIS3_DEVDISR2_DPMAC7,
21 [WRIOP1_DPMAC8] = FSL_CHASSIS3_DEVDISR2_DPMAC8,
22 [WRIOP1_DPMAC9] = FSL_CHASSIS3_DEVDISR2_DPMAC9,
23 [WRIOP1_DPMAC10] = FSL_CHASSIS3_DEVDISR2_DPMAC10,
24 [WRIOP1_DPMAC11] = FSL_CHASSIS3_DEVDISR2_DPMAC11,
25 [WRIOP1_DPMAC12] = FSL_CHASSIS3_DEVDISR2_DPMAC12,
26 [WRIOP1_DPMAC13] = FSL_CHASSIS3_DEVDISR2_DPMAC13,
27 [WRIOP1_DPMAC14] = FSL_CHASSIS3_DEVDISR2_DPMAC14,
28 [WRIOP1_DPMAC15] = FSL_CHASSIS3_DEVDISR2_DPMAC15,
29 [WRIOP1_DPMAC16] = FSL_CHASSIS3_DEVDISR2_DPMAC16,
30 [WRIOP1_DPMAC17] = FSL_CHASSIS3_DEVDISR2_DPMAC17,
31 [WRIOP1_DPMAC18] = FSL_CHASSIS3_DEVDISR2_DPMAC18,
32 };
33
is_device_disabled(int dpmac_id)34 static int is_device_disabled(int dpmac_id)
35 {
36 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
37 u32 devdisr2 = in_le32(&gur->devdisr2);
38
39 return dpmac_to_devdisr[dpmac_id] & devdisr2;
40 }
41
wriop_dpmac_disable(int dpmac_id)42 void wriop_dpmac_disable(int dpmac_id)
43 {
44 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
45
46 setbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
47 }
48
wriop_dpmac_enable(int dpmac_id)49 void wriop_dpmac_enable(int dpmac_id)
50 {
51 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
52
53 clrbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
54 }
55
wriop_dpmac_enet_if(int dpmac_id,int lane_prtcl)56 phy_interface_t wriop_dpmac_enet_if(int dpmac_id, int lane_prtcl)
57 {
58 enum srds_prtcl;
59
60 if (is_device_disabled(dpmac_id))
61 return PHY_INTERFACE_MODE_NONE;
62
63 if (lane_prtcl >= SGMII1 && lane_prtcl <= SGMII18)
64 return PHY_INTERFACE_MODE_SGMII;
65
66 if (lane_prtcl >= XFI1 && lane_prtcl <= XFI14)
67 return PHY_INTERFACE_MODE_XGMII;
68
69 if (lane_prtcl >= _25GE1 && lane_prtcl <= _25GE10)
70 return PHY_INTERFACE_MODE_25G_AUI;
71
72 if (lane_prtcl >= _40GE1 && lane_prtcl <= _40GE2)
73 return PHY_INTERFACE_MODE_XLAUI;
74
75 if (lane_prtcl >= _50GE1 && lane_prtcl <= _50GE2)
76 return PHY_INTERFACE_MODE_CAUI2;
77
78 if (lane_prtcl >= _100GE1 && lane_prtcl <= _100GE2)
79 return PHY_INTERFACE_MODE_CAUI4;
80
81 return PHY_INTERFACE_MODE_NONE;
82 }
83
84 #ifdef CONFIG_SYS_FSL_HAS_RGMII
fsl_rgmii_init(void)85 void fsl_rgmii_init(void)
86 {
87 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
88 u32 ec;
89
90 #ifdef CONFIG_SYS_FSL_EC1
91 ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC1_REGSR - 1])
92 & FSL_CHASSIS3_EC1_REGSR_PRTCL_MASK;
93 ec >>= FSL_CHASSIS3_EC1_REGSR_PRTCL_SHIFT;
94
95 if (!ec)
96 wriop_init_dpmac_enet_if(17, PHY_INTERFACE_MODE_RGMII_ID);
97 #endif
98
99 #ifdef CONFIG_SYS_FSL_EC2
100 ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC2_REGSR - 1])
101 & FSL_CHASSIS3_EC2_REGSR_PRTCL_MASK;
102 ec >>= FSL_CHASSIS3_EC2_REGSR_PRTCL_SHIFT;
103
104 if (!ec)
105 wriop_init_dpmac_enet_if(18, PHY_INTERFACE_MODE_RGMII_ID);
106 #endif
107 }
108 #endif
109