path: root/include/fsl_mdio.h (plain)
blob: 2137282df3fd97978ec6cda00530dd4487720b55

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