diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-06-11 02:29:36 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-12 00:22:12 -0700 |
commit | ec21e2ec367697b4803e82662bdff6c8567745fc (patch) | |
tree | cdb42f597ff5e60516bdab59d306006fd1fafd1c /drivers/net/fs_enet/mii-fec.c | |
parent | 5346ebf6db077d963e9d81af9df290d7f5532492 (diff) | |
download | op-kernel-dev-ec21e2ec367697b4803e82662bdff6c8567745fc.zip op-kernel-dev-ec21e2ec367697b4803e82662bdff6c8567745fc.tar.gz |
freescale: Move the Freescale drivers
Move the Freescale drivers into drivers/net/ethernet/freescale/ and
make the necessary Kconfig and Makefile changes.
CC: Sandeep Gopalpet <sandeep.kumar@freescale.com>
CC: Andy Fleming <afleming@freescale.com>
CC: Shlomi Gridish <gridish@freescale.com>
CC: Li Yang <leoli@freescale.com>
CC: Pantelis Antoniou <pantelis.antoniou@gmail.com>
CC: Vitaly Bordug <vbordug@ru.mvista.com>
CC: Dan Malek <dmalek@jlc.net>
CC: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/fs_enet/mii-fec.c')
-rw-r--r-- | drivers/net/fs_enet/mii-fec.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c deleted file mode 100644 index e0e9d6c..0000000 --- a/drivers/net/fs_enet/mii-fec.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/bitops.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> - -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/mpc5xxx.h> - -#include "fs_enet.h" -#include "fec.h" - -/* Make MII read/write commands for the FEC. -*/ -#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18)) -#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff)) -#define mk_mii_end 0 - -#define FEC_MII_LOOPS 10000 - -static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) -{ - struct fec_info* fec = bus->priv; - struct fec __iomem *fecp = fec->fecp; - int i, ret = -1; - - BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0); - - /* Add PHY address to register command. */ - out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_read(location)); - - for (i = 0; i < FEC_MII_LOOPS; i++) - if ((in_be32(&fecp->fec_ievent) & FEC_ENET_MII) != 0) - break; - - if (i < FEC_MII_LOOPS) { - out_be32(&fecp->fec_ievent, FEC_ENET_MII); - ret = in_be32(&fecp->fec_mii_data) & 0xffff; - } - - return ret; -} - -static int fs_enet_fec_mii_write(struct mii_bus *bus, int phy_id, int location, u16 val) -{ - struct fec_info* fec = bus->priv; - struct fec __iomem *fecp = fec->fecp; - int i; - - /* this must never happen */ - BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0); - - /* Add PHY address to register command. */ - out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_write(location, val)); - - for (i = 0; i < FEC_MII_LOOPS; i++) - if ((in_be32(&fecp->fec_ievent) & FEC_ENET_MII) != 0) - break; - - if (i < FEC_MII_LOOPS) - out_be32(&fecp->fec_ievent, FEC_ENET_MII); - - return 0; - -} - -static int fs_enet_fec_mii_reset(struct mii_bus *bus) -{ - /* nothing here - for now */ - return 0; -} - -static struct of_device_id fs_enet_mdio_fec_match[]; -static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev) -{ - const struct of_device_id *match; - struct resource res; - struct mii_bus *new_bus; - struct fec_info *fec; - int (*get_bus_freq)(struct device_node *); - int ret = -ENOMEM, clock, speed; - - match = of_match_device(fs_enet_mdio_fec_match, &ofdev->dev); - if (!match) - return -EINVAL; - get_bus_freq = match->data; - - new_bus = mdiobus_alloc(); - if (!new_bus) - goto out; - - fec = kzalloc(sizeof(struct fec_info), GFP_KERNEL); - if (!fec) - goto out_mii; - - new_bus->priv = fec; - new_bus->name = "FEC MII Bus"; - new_bus->read = &fs_enet_fec_mii_read; - new_bus->write = &fs_enet_fec_mii_write; - new_bus->reset = &fs_enet_fec_mii_reset; - - ret = of_address_to_resource(ofdev->dev.of_node, 0, &res); - if (ret) - goto out_res; - - snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start); - - fec->fecp = ioremap(res.start, resource_size(&res)); - if (!fec->fecp) - goto out_fec; - - if (get_bus_freq) { - clock = get_bus_freq(ofdev->dev.of_node); - if (!clock) { - /* Use maximum divider if clock is unknown */ - dev_warn(&ofdev->dev, "could not determine IPS clock\n"); - clock = 0x3F * 5000000; - } - } else - clock = ppc_proc_freq; - - /* - * Scale for a MII clock <= 2.5 MHz - * Note that only 6 bits (25:30) are available for MII speed. - */ - speed = (clock + 4999999) / 5000000; - if (speed > 0x3F) { - speed = 0x3F; - dev_err(&ofdev->dev, - "MII clock (%d Hz) exceeds max (2.5 MHz)\n", - clock / speed); - } - - fec->mii_speed = speed << 1; - - setbits32(&fec->fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE); - setbits32(&fec->fecp->fec_ecntrl, FEC_ECNTRL_PINMUX | - FEC_ECNTRL_ETHER_EN); - out_be32(&fec->fecp->fec_ievent, FEC_ENET_MII); - clrsetbits_be32(&fec->fecp->fec_mii_speed, 0x7E, fec->mii_speed); - - new_bus->phy_mask = ~0; - new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); - if (!new_bus->irq) - goto out_unmap_regs; - - new_bus->parent = &ofdev->dev; - dev_set_drvdata(&ofdev->dev, new_bus); - - ret = of_mdiobus_register(new_bus, ofdev->dev.of_node); - if (ret) - goto out_free_irqs; - - return 0; - -out_free_irqs: - dev_set_drvdata(&ofdev->dev, NULL); - kfree(new_bus->irq); -out_unmap_regs: - iounmap(fec->fecp); -out_res: -out_fec: - kfree(fec); -out_mii: - mdiobus_free(new_bus); -out: - return ret; -} - -static int fs_enet_mdio_remove(struct platform_device *ofdev) -{ - struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); - struct fec_info *fec = bus->priv; - - mdiobus_unregister(bus); - dev_set_drvdata(&ofdev->dev, NULL); - kfree(bus->irq); - iounmap(fec->fecp); - kfree(fec); - mdiobus_free(bus); - - return 0; -} - -static struct of_device_id fs_enet_mdio_fec_match[] = { - { - .compatible = "fsl,pq1-fec-mdio", - }, -#if defined(CONFIG_PPC_MPC512x) - { - .compatible = "fsl,mpc5121-fec-mdio", - .data = mpc5xxx_get_bus_frequency, - }, -#endif - {}, -}; -MODULE_DEVICE_TABLE(of, fs_enet_mdio_fec_match); - -static struct platform_driver fs_enet_fec_mdio_driver = { - .driver = { - .name = "fsl-fec-mdio", - .owner = THIS_MODULE, - .of_match_table = fs_enet_mdio_fec_match, - }, - .probe = fs_enet_mdio_probe, - .remove = fs_enet_mdio_remove, -}; - -static int fs_enet_mdio_fec_init(void) -{ - return platform_driver_register(&fs_enet_fec_mdio_driver); -} - -static void fs_enet_mdio_fec_exit(void) -{ - platform_driver_unregister(&fs_enet_fec_mdio_driver); -} - -module_init(fs_enet_mdio_fec_init); -module_exit(fs_enet_mdio_fec_exit); |