include/fsl_mdio.h

   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__ */