xref: /openbmc/u-boot/drivers/net/fm/t1024.c (revision e8f80a5a)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2f6050790SShengzhou Liu /* Copyright 2014 Freescale Semiconductor, Inc.
3f6050790SShengzhou Liu  *
4f6050790SShengzhou Liu  * Shengzhou Liu <Shengzhou.Liu@freescale.com>
5f6050790SShengzhou Liu  */
6f6050790SShengzhou Liu 
7f6050790SShengzhou Liu #include <common.h>
8f6050790SShengzhou Liu #include <phy.h>
9f6050790SShengzhou Liu #include <fm_eth.h>
10f6050790SShengzhou Liu #include <asm/immap_85xx.h>
11f6050790SShengzhou Liu #include <asm/fsl_serdes.h>
12f6050790SShengzhou Liu 
13f6050790SShengzhou Liu u32 port_to_devdisr[] = {
14f6050790SShengzhou Liu 	[FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
15f6050790SShengzhou Liu 	[FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
16f6050790SShengzhou Liu 	[FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
17f6050790SShengzhou Liu 	[FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
18f6050790SShengzhou Liu 	[FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, /* MAC1 */
19f6050790SShengzhou Liu };
20f6050790SShengzhou Liu 
is_device_disabled(enum fm_port port)21f6050790SShengzhou Liu static int is_device_disabled(enum fm_port port)
22f6050790SShengzhou Liu {
23f6050790SShengzhou Liu 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
24f6050790SShengzhou Liu 	u32 devdisr2 = in_be32(&gur->devdisr2);
25f6050790SShengzhou Liu 
26f6050790SShengzhou Liu 	return port_to_devdisr[port] & devdisr2;
27f6050790SShengzhou Liu }
28f6050790SShengzhou Liu 
fman_disable_port(enum fm_port port)29f6050790SShengzhou Liu void fman_disable_port(enum fm_port port)
30f6050790SShengzhou Liu {
31f6050790SShengzhou Liu 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
32f6050790SShengzhou Liu 
33f6050790SShengzhou Liu 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
34f6050790SShengzhou Liu }
35f6050790SShengzhou Liu 
fman_port_enet_if(enum fm_port port)36f6050790SShengzhou Liu phy_interface_t fman_port_enet_if(enum fm_port port)
37f6050790SShengzhou Liu {
38f6050790SShengzhou Liu 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
39f6050790SShengzhou Liu 	u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
40f6050790SShengzhou Liu 
41f6050790SShengzhou Liu 	if (is_device_disabled(port))
42f6050790SShengzhou Liu 		return PHY_INTERFACE_MODE_NONE;
43f6050790SShengzhou Liu 
44f6050790SShengzhou Liu 	if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC1)))
45f6050790SShengzhou Liu 		return PHY_INTERFACE_MODE_XGMII;
46f6050790SShengzhou Liu 
47f6050790SShengzhou Liu 	if ((port == FM1_DTSEC3) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
48f6050790SShengzhou Liu 		FSL_CORENET_RCWSR13_EC2_RGMII) &&
49f6050790SShengzhou Liu 					(!is_serdes_configured(QSGMII_FM1_A)))
50f6050790SShengzhou Liu 		return PHY_INTERFACE_MODE_RGMII;
51f6050790SShengzhou Liu 
52f6050790SShengzhou Liu 	if ((port == FM1_DTSEC4) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
53f6050790SShengzhou Liu 		FSL_CORENET_RCWSR13_EC1_RGMII) &&
54f6050790SShengzhou Liu 					(!is_serdes_configured(QSGMII_FM1_A)))
55f6050790SShengzhou Liu 		return PHY_INTERFACE_MODE_RGMII;
56f6050790SShengzhou Liu 
57f6050790SShengzhou Liu 	/* handle SGMII */
58f6050790SShengzhou Liu 	switch (port) {
59f6050790SShengzhou Liu 	case FM1_DTSEC1:
60f6050790SShengzhou Liu 	case FM1_DTSEC2:
61f6050790SShengzhou Liu 	case FM1_DTSEC3:
62f6050790SShengzhou Liu 		if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
63f6050790SShengzhou Liu 			return PHY_INTERFACE_MODE_SGMII;
64f6050790SShengzhou Liu 		else if (is_serdes_configured(SGMII_2500_FM1_DTSEC1
65f6050790SShengzhou Liu 			 + port - FM1_DTSEC1))
66f6050790SShengzhou Liu 			return PHY_INTERFACE_MODE_SGMII_2500;
67f6050790SShengzhou Liu 		break;
68f6050790SShengzhou Liu 	default:
69f6050790SShengzhou Liu 		break;
70f6050790SShengzhou Liu 	}
71f6050790SShengzhou Liu 
72f6050790SShengzhou Liu 	/* handle QSGMII */
73f6050790SShengzhou Liu 	switch (port) {
74f6050790SShengzhou Liu 	case FM1_DTSEC1:
75f6050790SShengzhou Liu 	case FM1_DTSEC2:
76f6050790SShengzhou Liu 	case FM1_DTSEC3:
77f6050790SShengzhou Liu 	case FM1_DTSEC4:
78f6050790SShengzhou Liu 		/* check lane A on SerDes1 */
79f6050790SShengzhou Liu 		if (is_serdes_configured(QSGMII_FM1_A))
80f6050790SShengzhou Liu 			return PHY_INTERFACE_MODE_QSGMII;
81f6050790SShengzhou Liu 		break;
82f6050790SShengzhou Liu 	default:
83f6050790SShengzhou Liu 		break;
84f6050790SShengzhou Liu 	}
85f6050790SShengzhou Liu 
86f6050790SShengzhou Liu 	return PHY_INTERFACE_MODE_NONE;
87f6050790SShengzhou Liu }
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