xref: /openbmc/u-boot/drivers/net/ldpaa_eth/ls2080a.c (revision d9b23e26)
1 /*
2  * Copyright 2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <common.h>
7 #include <phy.h>
8 #include <fsl-mc/ldpaa_wriop.h>
9 #include <asm/io.h>
10 #include <asm/arch/fsl_serdes.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 	[WRIOP1_DPMAC11] = FSL_CHASSIS3_DEVDISR2_DPMAC11,
24 	[WRIOP1_DPMAC12] = FSL_CHASSIS3_DEVDISR2_DPMAC12,
25 	[WRIOP1_DPMAC13] = FSL_CHASSIS3_DEVDISR2_DPMAC13,
26 	[WRIOP1_DPMAC14] = FSL_CHASSIS3_DEVDISR2_DPMAC14,
27 	[WRIOP1_DPMAC15] = FSL_CHASSIS3_DEVDISR2_DPMAC15,
28 	[WRIOP1_DPMAC16] = FSL_CHASSIS3_DEVDISR2_DPMAC16,
29 	[WRIOP1_DPMAC17] = FSL_CHASSIS3_DEVDISR2_DPMAC17,
30 	[WRIOP1_DPMAC18] = FSL_CHASSIS3_DEVDISR2_DPMAC18,
31 	[WRIOP1_DPMAC19] = FSL_CHASSIS3_DEVDISR2_DPMAC19,
32 	[WRIOP1_DPMAC20] = FSL_CHASSIS3_DEVDISR2_DPMAC20,
33 	[WRIOP1_DPMAC21] = FSL_CHASSIS3_DEVDISR2_DPMAC21,
34 	[WRIOP1_DPMAC22] = FSL_CHASSIS3_DEVDISR2_DPMAC22,
35 	[WRIOP1_DPMAC23] = FSL_CHASSIS3_DEVDISR2_DPMAC23,
36 	[WRIOP1_DPMAC24] = FSL_CHASSIS3_DEVDISR2_DPMAC24,
37 };
38 
39 static int is_device_disabled(int dpmac_id)
40 {
41 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
42 	u32 devdisr2 = in_le32(&gur->devdisr2);
43 
44 	return dpmac_to_devdisr[dpmac_id] & devdisr2;
45 }
46 
47 void wriop_dpmac_disable(int dpmac_id)
48 {
49 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
50 
51 	setbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
52 }
53 
54 void wriop_dpmac_enable(int dpmac_id)
55 {
56 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
57 
58 	clrbits_le32(&gur->devdisr2, dpmac_to_devdisr[dpmac_id]);
59 }
60 
61 phy_interface_t wriop_dpmac_enet_if(int dpmac_id, int lane_prtcl)
62 {
63 	enum srds_prtcl;
64 
65 	if (is_device_disabled(dpmac_id + 1))
66 		return PHY_INTERFACE_MODE_NONE;
67 
68 	if (lane_prtcl >= SGMII1 && lane_prtcl <= SGMII16)
69 		return PHY_INTERFACE_MODE_SGMII;
70 
71 	if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
72 		return PHY_INTERFACE_MODE_XGMII;
73 
74 	if (lane_prtcl >= XAUI1 && lane_prtcl <= XAUI2)
75 		return PHY_INTERFACE_MODE_XGMII;
76 
77 	if (lane_prtcl >= QSGMII_A && lane_prtcl <= QSGMII_D)
78 		return PHY_INTERFACE_MODE_QSGMII;
79 
80 	return PHY_INTERFACE_MODE_NONE;
81 }
82 
83 void wriop_init_dpmac_qsgmii(int sd, int lane_prtcl)
84 {
85 	switch (lane_prtcl) {
86 	case QSGMII_A:
87 		wriop_init_dpmac(sd, 5, (int)lane_prtcl);
88 		wriop_init_dpmac(sd, 6, (int)lane_prtcl);
89 		wriop_init_dpmac(sd, 7, (int)lane_prtcl);
90 		wriop_init_dpmac(sd, 8, (int)lane_prtcl);
91 		break;
92 	case QSGMII_B:
93 		wriop_init_dpmac(sd, 1, (int)lane_prtcl);
94 		wriop_init_dpmac(sd, 2, (int)lane_prtcl);
95 		wriop_init_dpmac(sd, 3, (int)lane_prtcl);
96 		wriop_init_dpmac(sd, 4, (int)lane_prtcl);
97 		break;
98 	case QSGMII_C:
99 		wriop_init_dpmac(sd, 13, (int)lane_prtcl);
100 		wriop_init_dpmac(sd, 14, (int)lane_prtcl);
101 		wriop_init_dpmac(sd, 15, (int)lane_prtcl);
102 		wriop_init_dpmac(sd, 16, (int)lane_prtcl);
103 		break;
104 	case QSGMII_D:
105 		wriop_init_dpmac(sd, 9, (int)lane_prtcl);
106 		wriop_init_dpmac(sd, 10, (int)lane_prtcl);
107 		wriop_init_dpmac(sd, 11, (int)lane_prtcl);
108 		wriop_init_dpmac(sd, 12, (int)lane_prtcl);
109 		break;
110 	}
111 }
112