void __exit __tah_fini(struct ocp_device *ocpdev) { struct tah_regs *p = ocp_get_drvdata(ocpdev); BUG_ON(!p); ocp_set_drvdata(ocpdev, NULL); iounmap((void *)p); }
void __rgmii_enable_mdio(struct ocp_device *ocpdev, int input) { struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); u32 fer = in_be32(&dev->base->fer) & ~RGMII_FER_MDI_ALL; RGMII_DBG2("%d: mdio(%d)" NL, ocpdev->def->index, input); out_be32(&dev->base->fer, fer | RGMII_FER_MDI(input)); }
void *tah_dump_regs(struct ocp_device *ocpdev, void *buf) { struct tah_regs *dev = ocp_get_drvdata(ocpdev); struct emac_ethtool_regs_subhdr *hdr = buf; struct tah_regs *regs = (struct tah_regs *)(hdr + 1); hdr->version = 0; hdr->index = ocpdev->def->index; memcpy_fromio(regs, dev, sizeof(struct tah_regs)); return regs + 1; }
static void __devexit mpc_i2c_remove(struct ocp_device *ocp) { struct mpc_i2c *i2c = ocp_get_drvdata(ocp); ocp_set_drvdata(ocp, NULL); i2c_del_adapter(&i2c->adap); if (ocp->def->irq != OCP_IRQ_NA) free_irq(i2c->irq, i2c); iounmap(i2c->base); release_mem_region(ocp->def->paddr, MPC_I2C_REGION); kfree(i2c); }
void rgmii_set_speed(struct ocp_device *ocpdev, int input, int speed) { struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); u32 ssr = in_be32(&dev->base->ssr) & ~RGMII_SSR_MASK(input); RGMII_DBG("%d: speed(%d, %d)" NL, ocpdev->def->index, input, speed); if (speed == SPEED_1000) ssr |= RGMII_SSR_1000(input); else if (speed == SPEED_100) ssr |= RGMII_SSR_100(input); out_be32(&dev->base->ssr, ssr); }
void __zmii_set_speed(struct ocp_device *ocpdev, int input, int speed) { struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); u32 ssr = in_be32(&dev->base->ssr); ZMII_DBG("%d: speed(%d, %d)" NL, ocpdev->def->index, input, speed); if (speed == SPEED_100) ssr |= ZMII_SSR_SP(input); else ssr &= ~ZMII_SSR_SP(input); out_be32(&dev->base->ssr, ssr); }
void __rgmii_fini(struct ocp_device *ocpdev, int input) { struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); BUG_ON(!dev || dev->users == 0); RGMII_DBG("%d: fini(%d)" NL, ocpdev->def->index, input); /* Disable this input */ out_be32(&dev->base->fer, in_be32(&dev->base->fer) & ~RGMII_FER_MASK(input)); if (!--dev->users) { /* Free everything if this is the last user */ ocp_set_drvdata(ocpdev, NULL); iounmap((void *)dev->base); kfree(dev); } }
static int __init rgmii_init(struct ocp_device *ocpdev, int input, int mode) { struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); struct rgmii_regs *p; RGMII_DBG("%d: init(%d, %d)" NL, ocpdev->def->index, input, mode); if (!dev) { dev = kmalloc(sizeof(struct ibm_ocp_rgmii), GFP_KERNEL); if (!dev) { printk(KERN_ERR "rgmii%d: couldn't allocate device structure!\n", ocpdev->def->index); return -ENOMEM; } memset(dev, 0, sizeof(struct ibm_ocp_rgmii)); p = (struct rgmii_regs *)ioremap(ocpdev->def->paddr, sizeof(struct rgmii_regs)); if (!p) { printk(KERN_ERR "rgmii%d: could not ioremap device registers!\n", ocpdev->def->index); kfree(dev); return -ENOMEM; } dev->base = p; ocp_set_drvdata(ocpdev, dev); /* Disable all inputs by default */ out_be32(&p->fer, 0); } else p = dev->base; /* Enable this input */ out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input)); printk(KERN_NOTICE "rgmii%d: input %d in %s mode\n", ocpdev->def->index, input, rgmii_mode_name(mode)); ++dev->users; return 0; }
void __tah_reset(struct ocp_device *ocpdev) { struct tah_regs *p = ocp_get_drvdata(ocpdev); int n; /* Reset TAH */ out_be32(&p->mr, TAH_MR_SR); n = 100; while ((in_be32(&p->mr) & TAH_MR_SR) && n) --n; if (unlikely(!n)) printk(KERN_ERR "tah%d: reset timeout\n", ocpdev->def->index); /* 10KB TAH TX FIFO accomodates the max MTU of 9000 */ out_be32(&p->mr, TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP | TAH_MR_DIG); }
static int __init tah_init(struct ocp_device *ocpdev) { struct tah_regs *p; if (ocp_get_drvdata(ocpdev)) { printk(KERN_ERR "tah%d: already in use!\n", ocpdev->def->index); return -EBUSY; } /* Initialize TAH and enable IPv4 checksum verification, no TSO yet */ p = (struct tah_regs *)ioremap(ocpdev->def->paddr, sizeof(*p)); if (!p) { printk(KERN_ERR "tah%d: could not ioremap device registers!\n", ocpdev->def->index); return -ENOMEM; } ocp_set_drvdata(ocpdev, p); __tah_reset(ocpdev); return 0; }
static int __init zmii_init(struct ocp_device *ocpdev, int input, int *mode) { struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); struct zmii_regs __iomem *p; ZMII_DBG("%d: init(%d, %d)" NL, ocpdev->def->index, input, *mode); if (!dev) { dev = kzalloc(sizeof(struct ibm_ocp_zmii), GFP_KERNEL); if (!dev) { printk(KERN_ERR "zmii%d: couldn't allocate device structure!\n", ocpdev->def->index); return -ENOMEM; } dev->mode = PHY_MODE_NA; p = ioremap(ocpdev->def->paddr, sizeof(struct zmii_regs)); if (!p) { printk(KERN_ERR "zmii%d: could not ioremap device registers!\n", ocpdev->def->index); kfree(dev); return -ENOMEM; } dev->base = p; ocp_set_drvdata(ocpdev, dev); /* We may need FER value for autodetection later */ dev->fer_save = in_be32(&p->fer); /* Disable all inputs by default */ out_be32(&p->fer, 0); } else p = dev->base; if (!zmii_valid_mode(*mode)) { /* Probably an EMAC connected to RGMII, * but it still may need ZMII for MDIO */ goto out; } /* Autodetect ZMII mode if not specified. * This is only for backward compatibility with the old driver. * Please, always specify PHY mode in your board port to avoid * any surprises. */ if (dev->mode == PHY_MODE_NA) { if (*mode == PHY_MODE_NA) { u32 r = dev->fer_save; ZMII_DBG("%d: autodetecting mode, FER = 0x%08x" NL, ocpdev->def->index, r); if (r & (ZMII_FER_MII(0) | ZMII_FER_MII(1))) dev->mode = PHY_MODE_MII; else if (r & (ZMII_FER_RMII(0) | ZMII_FER_RMII(1))) dev->mode = PHY_MODE_RMII; else dev->mode = PHY_MODE_SMII; } else dev->mode = *mode; printk(KERN_NOTICE "zmii%d: bridge in %s mode\n", ocpdev->def->index, zmii_mode_name(dev->mode)); } else { /* All inputs must use the same mode */ if (*mode != PHY_MODE_NA && *mode != dev->mode) { printk(KERN_ERR "zmii%d: invalid mode %d specified for input %d\n", ocpdev->def->index, *mode, input); return -EINVAL; } } /* Report back correct PHY mode, * it may be used during PHY initialization. */ *mode = dev->mode; /* Enable this input */ out_be32(&p->fer, in_be32(&p->fer) | zmii_mode_mask(dev->mode, input)); out: ++dev->users; return 0; }