xref: /openbmc/u-boot/include/fsl_mdio.h (revision 0a61ee88)
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 #ifndef __FSL_PHY_H__
9 #define __FSL_PHY_H__
10 
11 #include <net.h>
12 #include <miiphy.h>
13 
14 struct tsec_mii_mng {
15 	u32 miimcfg;		/* MII management configuration reg */
16 	u32 miimcom;		/* MII management command reg */
17 	u32 miimadd;		/* MII management address reg */
18 	u32 miimcon;		/* MII management control reg */
19 	u32 miimstat;		/* MII management status reg  */
20 	u32 miimind;		/* MII management indication reg */
21 	u32 ifstat;		/* Interface Status Register */
22 };
23 
24 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc);
25 
26 /* PHY register offsets */
27 #define PHY_EXT_PAGE_ACCESS	0x1f
28 
29 /* MII Management Configuration Register */
30 #define MIIMCFG_RESET_MGMT          0x80000000
31 #define MIIMCFG_MGMT_CLOCK_SELECT   0x00000007
32 #define MIIMCFG_INIT_VALUE	    0x00000003
33 
34 /* MII Management Command Register */
35 #define MIIMCOM_READ_CYCLE	0x00000001
36 #define MIIMCOM_SCAN_CYCLE	0x00000002
37 
38 /* MII Management Address Register */
39 #define MIIMADD_PHY_ADDR_SHIFT	8
40 
41 /* MII Management Indicator Register */
42 #define MIIMIND_BUSY		0x00000001
43 #define MIIMIND_NOTVALID	0x00000004
44 
45 void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr,
46 		int dev_addr, int reg, int value);
47 int tsec_local_mdio_read(struct tsec_mii_mng __iomem *phyregs, int port_addr,
48 		int dev_addr, int regnum);
49 int tsec_phy_read(struct mii_dev *bus, int addr, int dev_addr, int regnum);
50 int tsec_phy_write(struct mii_dev *bus, int addr, int dev_addr, int regnum,
51 		u16 value);
52 int memac_mdio_write(struct mii_dev *bus, int port_addr, int dev_addr,
53 		int regnum, u16 value);
54 int memac_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr,
55 		int regnum);
56 
57 struct fsl_pq_mdio_info {
58 	struct tsec_mii_mng __iomem *regs;
59 	char *name;
60 };
61 int fsl_pq_mdio_init(bd_t *bis, struct fsl_pq_mdio_info *info);
62 
63 #endif /* __FSL_PHY_H__ */
64