include/asm-ppc/ibm_ocp.h

   1 /*
   2  * ibm_ocp.h
   3  *
   4  *      (c) Benjamin Herrenschmidt (benh@kernel.crashing.org)
   5  *          Mipsys - France
   6  *
   7  *          Derived from work (c) Armin Kuster akuster@pacbell.net
   8  *
   9  *          Additional support and port to 2.6 LDM/sysfs by
  10  *          Matt Porter <mporter@kernel.crashing.org>
  11  *          Copyright 2003-2004 MontaVista Software, Inc.
  12  *
  13  * This program is free software; you can redistribute  it and/or modify it
  14  * under  the terms of  the GNU General  Public License as published by the
  15  * Free Software Foundation;  either version 2 of the  License, or (at your
  16  * option) any later version.
  17  *
  18  */
  19 #ifdef __KERNEL__
  20 #ifndef __IBM_OCP_H__
  21 #define __IBM_OCP_H__
  22
  23 #include <asm/types.h>
  24
  25 /*
  26  * IBM 4xx OCP system information
  27  */
  28 struct ocp_sys_info_data {
  29         int     opb_bus_freq;   /* OPB Bus Frequency (Hz) */
  30         int     ebc_bus_freq;   /* EBC Bus Frequency (Hz) */
  31 };
  32
  33 extern struct ocp_sys_info_data ocp_sys_info;
  34
  35 /*
  36  * EMAC additional data and sysfs support
  37  *
  38  * Note about mdio_idx: When you have a zmii, it's usually
  39  * not necessary, it covers the case of the 405EP which has
  40  * the MDIO lines on EMAC0 only
  41  *
  42  * Note about phy_map: Per EMAC map of PHY ids which should
  43  * be probed by emac_probe. Different EMACs can have
  44  * overlapping maps.
  45  *
  46  * Note, this map uses inverse logic for bits:
  47  *  0 - id should be probed
  48  *  1 - id should be ignored
  49  *
  50  * Default value of 0x00000000 - will result in usual
  51  * auto-detection logic.
  52  *
  53  */
  54
  55 struct ocp_func_emac_data {
  56         int     rgmii_idx;      /* RGMII device index or -1 */
  57         int     rgmii_mux;      /* RGMII input of this EMAC */
  58         int     zmii_idx;       /* ZMII device index or -1 */
  59         int     zmii_mux;       /* ZMII input of this EMAC */
  60         int     mal_idx;        /* MAL device index */
  61         int     mal_rx_chan;    /* MAL rx channel number */
  62         int     mal_tx_chan;    /* MAL tx channel number */
  63         int     wol_irq;        /* WOL interrupt */
  64         int     mdio_idx;       /* EMAC idx of MDIO master or -1 */
  65         int     tah_idx;        /* TAH device index or -1 */
  66         int     jumbo;          /* Jumbo frames capable flag */
  67         int     phy_mode;       /* PHY type or configurable mode */
  68         u8      mac_addr[6];    /* EMAC mac address */
  69         u32     phy_map;        /* EMAC phy map */
  70 };
  71
  72 /* Sysfs support */
  73 #define OCP_SYSFS_EMAC_DATA()                                           \
  74 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, zmii_idx)      \
  75 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, zmii_mux)      \
  76 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_idx)       \
  77 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_rx_chan)   \
  78 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_tx_chan)   \
  79 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, wol_irq)       \
  80 OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mdio_idx)      \
  81                                                                         \
  82 void ocp_show_emac_data(struct device *dev)                             \
  83 {                                                                       \
  84         device_create_file(dev, &dev_attr_emac_zmii_idx);               \
  85         device_create_file(dev, &dev_attr_emac_zmii_mux);               \
  86         device_create_file(dev, &dev_attr_emac_mal_idx);                \
  87         device_create_file(dev, &dev_attr_emac_mal_rx_chan);            \
  88         device_create_file(dev, &dev_attr_emac_mal_tx_chan);            \
  89         device_create_file(dev, &dev_attr_emac_wol_irq);                \
  90         device_create_file(dev, &dev_attr_emac_mdio_idx);               \
  91 }
  92
  93 #ifdef CONFIG_40x
  94 /*
  95  * Helper function to copy MAC addresses from the bd_t to OCP EMAC
  96  * additions.
  97  *
  98  * The range of EMAC indices (inclusive) to be copied are the arguments.
  99  */
 100 static inline void ibm_ocp_set_emac(int start, int end)
 101 {
 102         int i;
 103         struct ocp_def *def;
 104
 105         /* Copy MAC addresses to EMAC additions */
 106         for (i=start; i<=end; i++) {
 107                 def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, i);
 108                 memcpy(((struct ocp_func_emac_data *)def->additions)->mac_addr,
 109                                 &__res.bi_enetaddr[i],
 110                                 6);
 111         }
 112 }
 113 #endif
 114
 115 /*
 116  * MAL additional data and sysfs support
 117  */
 118 struct ocp_func_mal_data {
 119         int     num_tx_chans;   /* Number of TX channels */
 120         int     num_rx_chans;   /* Number of RX channels */
 121         int     txeob_irq;      /* TX End Of Buffer IRQ  */
 122         int     rxeob_irq;      /* RX End Of Buffer IRQ  */
 123         int     txde_irq;       /* TX Descriptor Error IRQ */
 124         int     rxde_irq;       /* RX Descriptor Error IRQ */
 125         int     serr_irq;       /* MAL System Error IRQ    */
 126 };
 127
 128 #define OCP_SYSFS_MAL_DATA()                                            \
 129 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, num_tx_chans)    \
 130 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, num_rx_chans)    \
 131 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, txeob_irq)       \
 132 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxeob_irq)       \
 133 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, txde_irq)        \
 134 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxde_irq)        \
 135 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, serr_irq)        \
 136                                                                         \
 137 void ocp_show_mal_data(struct device *dev)                              \
 138 {                                                                       \
 139         device_create_file(dev, &dev_attr_mal_num_tx_chans);            \
 140         device_create_file(dev, &dev_attr_mal_num_rx_chans);            \
 141         device_create_file(dev, &dev_attr_mal_txeob_irq);               \
 142         device_create_file(dev, &dev_attr_mal_rxeob_irq);               \
 143         device_create_file(dev, &dev_attr_mal_txde_irq);                \
 144         device_create_file(dev, &dev_attr_mal_rxde_irq);                \
 145         device_create_file(dev, &dev_attr_mal_serr_irq);                \
 146 }
 147
 148 /*
 149  * IIC additional data and sysfs support
 150  */
 151 struct ocp_func_iic_data {
 152         int     fast_mode;      /* IIC fast mode enabled */
 153 };
 154
 155 #define OCP_SYSFS_IIC_DATA()                                            \
 156 OCP_SYSFS_ADDTL(struct ocp_func_iic_data, "%d\n", iic, fast_mode)       \
 157                                                                         \
 158 void ocp_show_iic_data(struct device *dev)                              \
 159 {                                                                       \
 160         device_create_file(dev, &dev_attr_iic_fast_mode);                       \
 161 }
 162 #endif /* __IBM_OCP_H__ */
 163 #endif /* __KERNEL__ */