| /* |
| * 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__ */ |
