xref: /openbmc/u-boot/include/fsl_mdio.h (revision 42392849)
1 /*
2  * Copyright 2009-2012, 2013 Freescale Semiconductor, Inc.
3  *	Jun-jie Zhang <b18070@freescale.com>
4  *	Mingkai Hu <Mingkai.hu@freescale.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef __FSL_PHY_H__
10 #define __FSL_PHY_H__
11 
12 #include <net.h>
13 #include <miiphy.h>
14 
15 struct tsec_mii_mng {
16 	u32 miimcfg;		/* MII management configuration reg */
17 	u32 miimcom;		/* MII management command reg */
18 	u32 miimadd;		/* MII management address reg */
19 	u32 miimcon;		/* MII management control reg */
20 	u32 miimstat;		/* MII management status reg  */
21 	u32 miimind;		/* MII management indication reg */
22 	u32 ifstat;		/* Interface Status Register */
23 };
24 
25 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc);
26 
27 /* PHY register offsets */
28 #define PHY_EXT_PAGE_ACCESS	0x1f
29 
30 /* MII Management Configuration Register */
31 #define MIIMCFG_RESET_MGMT		0x80000000
32 #define MIIMCFG_MGMT_CLOCK_SELECT	0x00000007
33 #define MIIMCFG_INIT_VALUE		0x00000003
34 
35 /* MII Management Command Register */
36 #define MIIMCOM_READ_CYCLE	0x00000001
37 #define MIIMCOM_SCAN_CYCLE	0x00000002
38 
39 /* MII Management Address Register */
40 #define MIIMADD_PHY_ADDR_SHIFT	8
41 
42 /* MII Management Indicator Register */
43 #define MIIMIND_BUSY		0x00000001
44 #define MIIMIND_NOTVALID	0x00000004
45 
46 void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr,
47 		int dev_addr, int reg, int value);
48 int tsec_local_mdio_read(struct tsec_mii_mng __iomem *phyregs, int port_addr,
49 		int dev_addr, int regnum);
50 int tsec_phy_read(struct mii_dev *bus, int addr, int dev_addr, int regnum);
51 int tsec_phy_write(struct mii_dev *bus, int addr, int dev_addr, int regnum,
52 		u16 value);
53 int memac_mdio_write(struct mii_dev *bus, int port_addr, int dev_addr,
54 		int regnum, u16 value);
55 int memac_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr,
56 		int regnum);
57 
58 struct fsl_pq_mdio_info {
59 	struct tsec_mii_mng __iomem *regs;
60 	char *name;
61 };
62 int fsl_pq_mdio_init(bd_t *bis, struct fsl_pq_mdio_info *info);
63 
64 #endif /* __FSL_PHY_H__ */
65