|  | /* | 
|  | * 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__ */ |