xref: /openbmc/u-boot/drivers/net/fm/b4860.c (revision afea2c96)
1 /*
2  * Copyright 2012 Freescale Semiconductor, Inc.
3  *	Roy Zang <tie-fei.zang@freescale.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #include <common.h>
8 #include <phy.h>
9 #include <fm_eth.h>
10 #include <asm/io.h>
11 #include <asm/immap_85xx.h>
12 #include <asm/fsl_serdes.h>
13 
14 u32 port_to_devdisr[] = {
15 	[FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
16 	[FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
17 	[FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
18 	[FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
19 	[FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
20 	[FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6,
21 	[FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
22 	[FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
23 };
24 
25 static int is_device_disabled(enum fm_port port)
26 {
27 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
28 	u32 devdisr2 = in_be32(&gur->devdisr2);
29 
30 	return port_to_devdisr[port] & devdisr2;
31 }
32 
33 void fman_disable_port(enum fm_port port)
34 {
35 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
36 
37 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
38 }
39 
40 void fman_enable_port(enum fm_port port)
41 {
42 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
43 
44 	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
45 }
46 
47 phy_interface_t fman_port_enet_if(enum fm_port port)
48 {
49 	if (is_device_disabled(port))
50 		return PHY_INTERFACE_MODE_NONE;
51 
52 	/*B4860 has two 10Gig Mac*/
53 	if ((port == FM1_10GEC1 || port == FM1_10GEC2)	&&
54 	    ((is_serdes_configured(XAUI_FM1_MAC9))	||
55 	    (is_serdes_configured(XAUI_FM1_MAC10))))
56 		return PHY_INTERFACE_MODE_XGMII;
57 
58 	/* Fix me need to handle RGMII here first */
59 
60 	switch (port) {
61 	case FM1_DTSEC1:
62 	case FM1_DTSEC2:
63 	case FM1_DTSEC3:
64 	case FM1_DTSEC4:
65 	case FM1_DTSEC5:
66 	case FM1_DTSEC6:
67 		if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
68 			return PHY_INTERFACE_MODE_SGMII;
69 		break;
70 	default:
71 		return PHY_INTERFACE_MODE_NONE;
72 	}
73 
74 	return PHY_INTERFACE_MODE_NONE;
75 }
76