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2771399ac9
make the Freescale ethernet driver get, prepare and enable the FEC clock during probe(); disable and unprepare the clock upon remove(), put is done by the devm approach; hold a reference to the clock over the period of use. clock lookup is non-fatal as not all platforms provide clock specs in their device tree; failure to enable specified clocks is fatal. Signed-off-by: Gerhard Sittig <gsi@denx.de> Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
166 lines
3.4 KiB
C
166 lines
3.4 KiB
C
/*
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* Platform information definitions for the
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* universal Freescale Ethernet driver.
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*
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* Copyright (c) 2003 Intracom S.A.
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* by Pantelis Antoniou <panto@intracom.gr>
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*
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* 2005 (c) MontaVista Software, Inc.
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* Vitaly Bordug <vbordug@ru.mvista.com>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef FS_ENET_PD_H
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#define FS_ENET_PD_H
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#include <linux/clk.h>
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#include <linux/string.h>
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#include <linux/of_mdio.h>
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#include <linux/if_ether.h>
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#include <asm/types.h>
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#define FS_ENET_NAME "fs_enet"
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enum fs_id {
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fsid_fec1,
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fsid_fec2,
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fsid_fcc1,
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fsid_fcc2,
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fsid_fcc3,
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fsid_scc1,
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fsid_scc2,
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fsid_scc3,
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fsid_scc4,
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};
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#define FS_MAX_INDEX 9
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static inline int fs_get_fec_index(enum fs_id id)
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{
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if (id >= fsid_fec1 && id <= fsid_fec2)
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return id - fsid_fec1;
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return -1;
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}
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static inline int fs_get_fcc_index(enum fs_id id)
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{
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if (id >= fsid_fcc1 && id <= fsid_fcc3)
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return id - fsid_fcc1;
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return -1;
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}
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static inline int fs_get_scc_index(enum fs_id id)
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{
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if (id >= fsid_scc1 && id <= fsid_scc4)
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return id - fsid_scc1;
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return -1;
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}
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static inline int fs_fec_index2id(int index)
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{
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int id = fsid_fec1 + index - 1;
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if (id >= fsid_fec1 && id <= fsid_fec2)
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return id;
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return FS_MAX_INDEX;
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}
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static inline int fs_fcc_index2id(int index)
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{
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int id = fsid_fcc1 + index - 1;
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if (id >= fsid_fcc1 && id <= fsid_fcc3)
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return id;
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return FS_MAX_INDEX;
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}
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static inline int fs_scc_index2id(int index)
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{
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int id = fsid_scc1 + index - 1;
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if (id >= fsid_scc1 && id <= fsid_scc4)
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return id;
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return FS_MAX_INDEX;
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}
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enum fs_mii_method {
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fsmii_fixed,
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fsmii_fec,
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fsmii_bitbang,
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};
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enum fs_ioport {
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fsiop_porta,
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fsiop_portb,
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fsiop_portc,
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fsiop_portd,
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fsiop_porte,
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};
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struct fs_mii_bit {
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u32 offset;
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u8 bit;
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u8 polarity;
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};
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struct fs_mii_bb_platform_info {
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struct fs_mii_bit mdio_dir;
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struct fs_mii_bit mdio_dat;
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struct fs_mii_bit mdc_dat;
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int delay; /* delay in us */
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int irq[32]; /* irqs per phy's */
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};
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struct fs_platform_info {
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void(*init_ioports)(struct fs_platform_info *);
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/* device specific information */
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int fs_no; /* controller index */
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char fs_type[4]; /* controller type */
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u32 cp_page; /* CPM page */
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u32 cp_block; /* CPM sblock */
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u32 cp_command; /* CPM page/sblock/mcn */
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u32 clk_trx; /* some stuff for pins & mux configuration*/
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u32 clk_rx;
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u32 clk_tx;
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u32 clk_route;
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u32 clk_mask;
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u32 mem_offset;
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u32 dpram_offset;
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u32 fcc_regs_c;
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u32 device_flags;
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struct device_node *phy_node;
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const struct fs_mii_bus_info *bus_info;
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int rx_ring, tx_ring; /* number of buffers on rx */
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__u8 macaddr[ETH_ALEN]; /* mac address */
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int rx_copybreak; /* limit we copy small frames */
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int use_napi; /* use NAPI */
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int napi_weight; /* NAPI weight */
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int use_rmii; /* use RMII mode */
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int has_phy; /* if the network is phy container as well...*/
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struct clk *clk_per; /* 'per' clock for register access */
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};
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struct fs_mii_fec_platform_info {
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u32 irq[32];
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u32 mii_speed;
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};
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static inline int fs_get_id(struct fs_platform_info *fpi)
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{
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if(strstr(fpi->fs_type, "SCC"))
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return fs_scc_index2id(fpi->fs_no);
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if(strstr(fpi->fs_type, "FCC"))
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return fs_fcc_index2id(fpi->fs_no);
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if(strstr(fpi->fs_type, "FEC"))
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return fs_fec_index2id(fpi->fs_no);
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return fpi->fs_no;
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}
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#endif
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