xref: /openbmc/u-boot/drivers/net/ldpaa_eth/ls2080a.c (revision 63e22517)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2015 Freescale Semiconductor, Inc.
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 
11 u32 dpmac_to_devdisr[] = {
12 	[WRIOP1_DPMAC1] = FSL_CHASSIS3_DEVDISR2_DPMAC1,
13 	[WRIOP1_DPMAC2] = FSL_CHASSIS3_DEVDISR2_DPMAC2,
14 	[WRIOP1_DPMAC3] = FSL_CHASSIS3_DEVDISR2_DPMAC3,
15 	[WRIOP1_DPMAC4] = FSL_CHASSIS3_DEVDISR2_DPMAC4,
16 	[WRIOP1_DPMAC5] = FSL_CHASSIS3_DEVDISR2_DPMAC5,
17 	[WRIOP1_DPMAC6] = FSL_CHASSIS3_DEVDISR2_DPMAC6,
18 	[WRIOP1_DPMAC7] = FSL_CHASSIS3_DEVDISR2_DPMAC7,
19 	[WRIOP1_DPMAC8] = FSL_CHASSIS3_DEVDISR2_DPMAC8,
20 	[WRIOP1_DPMAC9] = FSL_CHASSIS3_DEVDISR2_DPMAC9,
21 	[WRIOP1_DPMAC10] = FSL_CHASSIS3_DEVDISR2_DPMAC10,
22 	[WRIOP1_DPMAC11] = FSL_CHASSIS3_DEVDISR2_DPMAC11,
23 	[WRIOP1_DPMAC12] = FSL_CHASSIS3_DEVDISR2_DPMAC12,
24 	[WRIOP1_DPMAC13] = FSL_CHASSIS3_DEVDISR2_DPMAC13,
25 	[WRIOP1_DPMAC14] = FSL_CHASSIS3_DEVDISR2_DPMAC14,
26 	[WRIOP1_DPMAC15] = FSL_CHASSIS3_DEVDISR2_DPMAC15,
27 	[WRIOP1_DPMAC16] = FSL_CHASSIS3_DEVDISR2_DPMAC16,
28 	[WRIOP1_DPMAC17] = FSL_CHASSIS3_DEVDISR2_DPMAC17,
29 	[WRIOP1_DPMAC18] = FSL_CHASSIS3_DEVDISR2_DPMAC18,
30 	[WRIOP1_DPMAC19] = FSL_CHASSIS3_DEVDISR2_DPMAC19,
31 	[WRIOP1_DPMAC20] = FSL_CHASSIS3_DEVDISR2_DPMAC20,
32 	[WRIOP1_DPMAC21] = FSL_CHASSIS3_DEVDISR2_DPMAC21,
33 	[WRIOP1_DPMAC22] = FSL_CHASSIS3_DEVDISR2_DPMAC22,
34 	[WRIOP1_DPMAC23] = FSL_CHASSIS3_DEVDISR2_DPMAC23,
35 	[WRIOP1_DPMAC24] = FSL_CHASSIS3_DEVDISR2_DPMAC24,
36 };
37 
38 static int is_device_disabled(int dpmac_id)
39 {
40 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
41 	u32 devdisr2 = in_le32(&gur->devdisr2);
42 
43 	return dpmac_to_devdisr[dpmac_id] & devdisr2;
44 }
45 
46 void wriop_dpmac_disable(int dpmac_id)
47 {
48 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
49 
50 	setbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
51 }
52 
53 void wriop_dpmac_enable(int dpmac_id)
54 {
55 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
56 
57 	clrbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
58 }
59 
60 phy_interface_t wriop_dpmac_enet_if(int dpmac_id, int lane_prtcl)
61 {
62 	enum srds_prtcl;
63 
64 	if (is_device_disabled(dpmac_id + 1))
65 		return PHY_INTERFACE_MODE_NONE;
66 
67 	if (lane_prtcl >= SGMII1 && lane_prtcl <= SGMII16)
68 		return PHY_INTERFACE_MODE_SGMII;
69 
70 	if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
71 		return PHY_INTERFACE_MODE_XGMII;
72 
73 	if (lane_prtcl >= XAUI1 && lane_prtcl <= XAUI2)
74 		return PHY_INTERFACE_MODE_XGMII;
75 
76 	if (lane_prtcl >= QSGMII_A && lane_prtcl <= QSGMII_D)
77 		return PHY_INTERFACE_MODE_QSGMII;
78 
79 	return PHY_INTERFACE_MODE_NONE;
80 }
81 
82 void wriop_init_dpmac_qsgmii(int sd, int lane_prtcl)
83 {
84 	switch (lane_prtcl) {
85 	case QSGMII_A:
86 		wriop_init_dpmac(sd, 5, (int)lane_prtcl);
87 		wriop_init_dpmac(sd, 6, (int)lane_prtcl);
88 		wriop_init_dpmac(sd, 7, (int)lane_prtcl);
89 		wriop_init_dpmac(sd, 8, (int)lane_prtcl);
90 		break;
91 	case QSGMII_B:
92 		wriop_init_dpmac(sd, 1, (int)lane_prtcl);
93 		wriop_init_dpmac(sd, 2, (int)lane_prtcl);
94 		wriop_init_dpmac(sd, 3, (int)lane_prtcl);
95 		wriop_init_dpmac(sd, 4, (int)lane_prtcl);
96 		break;
97 	case QSGMII_C:
98 		wriop_init_dpmac(sd, 13, (int)lane_prtcl);
99 		wriop_init_dpmac(sd, 14, (int)lane_prtcl);
100 		wriop_init_dpmac(sd, 15, (int)lane_prtcl);
101 		wriop_init_dpmac(sd, 16, (int)lane_prtcl);
102 		break;
103 	case QSGMII_D:
104 		wriop_init_dpmac(sd, 9, (int)lane_prtcl);
105 		wriop_init_dpmac(sd, 10, (int)lane_prtcl);
106 		wriop_init_dpmac(sd, 11, (int)lane_prtcl);
107 		wriop_init_dpmac(sd, 12, (int)lane_prtcl);
108 		break;
109 	}
110 }
111