/* * 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 * 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 /* * 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__ */