ibm_ocp.h
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/*
* ibm_ocp.h
*
* (c) Benjamin Herrenschmidt (benh@kernel.crashing.org)
* Mipsys - France
*
* Derived from work (c) Armin Kuster akuster@pacbell.net
*
* Additional support and port to 2.6 LDM/sysfs by
* Matt Porter <mporter@kernel.crashing.org>
* Copyright 2003-2004 MontaVista Software, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifdef __KERNEL__
#ifndef __IBM_OCP_H__
#define __IBM_OCP_H__
#include <asm/types.h>
/*
* IBM 4xx OCP system information
*/
struct ocp_sys_info_data {
int opb_bus_freq; /* OPB Bus Frequency (Hz) */
int ebc_bus_freq; /* EBC Bus Frequency (Hz) */
};
extern struct ocp_sys_info_data ocp_sys_info;
/*
* EMAC additional data and sysfs support
*
* Note about mdio_idx: When you have a zmii, it's usually
* not necessary, it covers the case of the 405EP which has
* the MDIO lines on EMAC0 only
*
* Note about phy_map: Per EMAC map of PHY ids which should
* be probed by emac_probe. Different EMACs can have
* overlapping maps.
*
* Note, this map uses inverse logic for bits:
* 0 - id should be probed
* 1 - id should be ignored
*
* Default value of 0x00000000 - will result in usual
* auto-detection logic.
*
*/
struct ocp_func_emac_data {
int rgmii_idx; /* RGMII device index or -1 */
int rgmii_mux; /* RGMII input of this EMAC */
int zmii_idx; /* ZMII device index or -1 */
int zmii_mux; /* ZMII input of this EMAC */
int mal_idx; /* MAL device index */
int mal_rx_chan; /* MAL rx channel number */
int mal_tx_chan; /* MAL tx channel number */
int wol_irq; /* WOL interrupt */
int mdio_idx; /* EMAC idx of MDIO master or -1 */
int tah_idx; /* TAH device index or -1 */
int phy_mode; /* PHY type or configurable mode */
u8 mac_addr[6]; /* EMAC mac address */
u32 phy_map; /* EMAC phy map */
u32 phy_feat_exc; /* Excluded PHY features */
};
/* Sysfs support */
#define OCP_SYSFS_EMAC_DATA() \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, rgmii_idx) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, rgmii_mux) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, zmii_idx) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, zmii_mux) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_idx) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_rx_chan) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mal_tx_chan) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, wol_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, mdio_idx) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, tah_idx) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "%d\n", emac, phy_mode) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "0x%08x\n", emac, phy_map) \
OCP_SYSFS_ADDTL(struct ocp_func_emac_data, "0x%08x\n", emac, phy_feat_exc)\
\
void ocp_show_emac_data(struct device *dev) \
{ \
device_create_file(dev, &dev_attr_emac_rgmii_idx); \
device_create_file(dev, &dev_attr_emac_rgmii_mux); \
device_create_file(dev, &dev_attr_emac_zmii_idx); \
device_create_file(dev, &dev_attr_emac_zmii_mux); \
device_create_file(dev, &dev_attr_emac_mal_idx); \
device_create_file(dev, &dev_attr_emac_mal_rx_chan); \
device_create_file(dev, &dev_attr_emac_mal_tx_chan); \
device_create_file(dev, &dev_attr_emac_wol_irq); \
device_create_file(dev, &dev_attr_emac_mdio_idx); \
device_create_file(dev, &dev_attr_emac_tah_idx); \
device_create_file(dev, &dev_attr_emac_phy_mode); \
device_create_file(dev, &dev_attr_emac_phy_map); \
device_create_file(dev, &dev_attr_emac_phy_feat_exc); \
}
/*
* PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY)
*/
#define PHY_MODE_NA 0
#define PHY_MODE_MII 1
#define PHY_MODE_RMII 2
#define PHY_MODE_SMII 3
#define PHY_MODE_RGMII 4
#define PHY_MODE_TBI 5
#define PHY_MODE_GMII 6
#define PHY_MODE_RTBI 7
#define PHY_MODE_SGMII 8
#ifdef CONFIG_40x
/*
* Helper function to copy MAC addresses from the bd_t to OCP EMAC
* additions.
*
* The range of EMAC indices (inclusive) to be copied are the arguments.
*/
static inline void ibm_ocp_set_emac(int start, int end)
{
int i;
struct ocp_def *def;
/* Copy MAC addresses to EMAC additions */
for (i=start; i<=end; i++) {
def = ocp_get_one_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, i);
if (i == 0)
memcpy(((struct ocp_func_emac_data *)def->additions)->mac_addr,
__res.bi_enetaddr, 6);
#if defined(CONFIG_405EP) || defined(CONFIG_44x)
else if (i == 1)
memcpy(((struct ocp_func_emac_data *)def->additions)->mac_addr,
__res.bi_enet1addr, 6);
#endif
#if defined(CONFIG_440GX)
else if (i == 2)
memcpy(((struct ocp_func_emac_data *)def->additions)->mac_addr,
__res.bi_enet2addr, 6);
else if (i == 3)
memcpy(((struct ocp_func_emac_data *)def->additions)->mac_addr,
__res.bi_enet3addr, 6);
#endif
}
}
#endif
/*
* MAL additional data and sysfs support
*/
struct ocp_func_mal_data {
int num_tx_chans; /* Number of TX channels */
int num_rx_chans; /* Number of RX channels */
int txeob_irq; /* TX End Of Buffer IRQ */
int rxeob_irq; /* RX End Of Buffer IRQ */
int txde_irq; /* TX Descriptor Error IRQ */
int rxde_irq; /* RX Descriptor Error IRQ */
int serr_irq; /* MAL System Error IRQ */
int dcr_base; /* MALx_CFG DCR number */
};
#define OCP_SYSFS_MAL_DATA() \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, num_tx_chans) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, num_rx_chans) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, txeob_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxeob_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, txde_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxde_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, serr_irq) \
OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, dcr_base) \
\
void ocp_show_mal_data(struct device *dev) \
{ \
device_create_file(dev, &dev_attr_mal_num_tx_chans); \
device_create_file(dev, &dev_attr_mal_num_rx_chans); \
device_create_file(dev, &dev_attr_mal_txeob_irq); \
device_create_file(dev, &dev_attr_mal_rxeob_irq); \
device_create_file(dev, &dev_attr_mal_txde_irq); \
device_create_file(dev, &dev_attr_mal_rxde_irq); \
device_create_file(dev, &dev_attr_mal_serr_irq); \
device_create_file(dev, &dev_attr_mal_dcr_base); \
}
/*
* IIC additional data and sysfs support
*/
struct ocp_func_iic_data {
int fast_mode; /* IIC fast mode enabled */
};
#define OCP_SYSFS_IIC_DATA() \
OCP_SYSFS_ADDTL(struct ocp_func_iic_data, "%d\n", iic, fast_mode) \
\
void ocp_show_iic_data(struct device *dev) \
{ \
device_create_file(dev, &dev_attr_iic_fast_mode); \
}
#endif /* __IBM_OCP_H__ */
#endif /* __KERNEL__ */