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path: root/drivers/net/ibm_emac/ibm_emac_rgmii.c
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Diffstat (limited to 'drivers/net/ibm_emac/ibm_emac_rgmii.c')
-rw-r--r--drivers/net/ibm_emac/ibm_emac_rgmii.c200
1 files changed, 0 insertions, 200 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac_rgmii.c b/drivers/net/ibm_emac/ibm_emac_rgmii.c
deleted file mode 100644
index 9dbb5e5936c3..000000000000
--- a/drivers/net/ibm_emac/ibm_emac_rgmii.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * drivers/net/ibm_emac/ibm_emac_rgmii.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Matt Porter <mporter@kernel.crashing.org>
- * Copyright 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.
- *
- */
-#include <linux/kernel.h>
-#include <linux/ethtool.h>
-#include <asm/io.h>
-
-#include "ibm_emac_core.h"
-#include "ibm_emac_debug.h"
-
-/* RGMIIx_FER */
-#define RGMII_FER_MASK(idx) (0x7 << ((idx) * 4))
-#define RGMII_FER_RTBI(idx) (0x4 << ((idx) * 4))
-#define RGMII_FER_RGMII(idx) (0x5 << ((idx) * 4))
-#define RGMII_FER_TBI(idx) (0x6 << ((idx) * 4))
-#define RGMII_FER_GMII(idx) (0x7 << ((idx) * 4))
-
-/* RGMIIx_SSR */
-#define RGMII_SSR_MASK(idx) (0x7 << ((idx) * 8))
-#define RGMII_SSR_100(idx) (0x2 << ((idx) * 8))
-#define RGMII_SSR_1000(idx) (0x4 << ((idx) * 8))
-
-/* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */
-static inline int rgmii_valid_mode(int phy_mode)
-{
- return phy_mode == PHY_MODE_GMII ||
- phy_mode == PHY_MODE_RGMII ||
- phy_mode == PHY_MODE_TBI ||
- phy_mode == PHY_MODE_RTBI;
-}
-
-static inline const char *rgmii_mode_name(int mode)
-{
- switch (mode) {
- case PHY_MODE_RGMII:
- return "RGMII";
- case PHY_MODE_TBI:
- return "TBI";
- case PHY_MODE_GMII:
- return "GMII";
- case PHY_MODE_RTBI:
- return "RTBI";
- default:
- BUG();
- }
-}
-
-static inline u32 rgmii_mode_mask(int mode, int input)
-{
- switch (mode) {
- case PHY_MODE_RGMII:
- return RGMII_FER_RGMII(input);
- case PHY_MODE_TBI:
- return RGMII_FER_TBI(input);
- case PHY_MODE_GMII:
- return RGMII_FER_GMII(input);
- case PHY_MODE_RTBI:
- return RGMII_FER_RTBI(input);
- default:
- BUG();
- }
-}
-
-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 = kzalloc(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;
- }
-
- 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;
-}
-
-int __init rgmii_attach(void *emac)
-{
- struct ocp_enet_private *dev = emac;
- struct ocp_func_emac_data *emacdata = dev->def->additions;
-
- /* Check if we need to attach to a RGMII */
- if (emacdata->rgmii_idx >= 0 && rgmii_valid_mode(emacdata->phy_mode)) {
- dev->rgmii_input = emacdata->rgmii_mux;
- dev->rgmii_dev =
- ocp_find_device(OCP_VENDOR_IBM, OCP_FUNC_RGMII,
- emacdata->rgmii_idx);
- if (!dev->rgmii_dev) {
- printk(KERN_ERR "emac%d: unknown rgmii%d!\n",
- dev->def->index, emacdata->rgmii_idx);
- return -ENODEV;
- }
- if (rgmii_init
- (dev->rgmii_dev, dev->rgmii_input, emacdata->phy_mode)) {
- printk(KERN_ERR
- "emac%d: rgmii%d initialization failed!\n",
- dev->def->index, emacdata->rgmii_idx);
- return -ENODEV;
- }
- }
- return 0;
-}
-
-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 __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);
- }
-}
-
-int __rgmii_get_regs_len(struct ocp_device *ocpdev)
-{
- return sizeof(struct emac_ethtool_regs_subhdr) +
- sizeof(struct rgmii_regs);
-}
-
-void *rgmii_dump_regs(struct ocp_device *ocpdev, void *buf)
-{
- struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev);
- struct emac_ethtool_regs_subhdr *hdr = buf;
- struct rgmii_regs *regs = (struct rgmii_regs *)(hdr + 1);
-
- hdr->version = 0;
- hdr->index = ocpdev->def->index;
- memcpy_fromio(regs, dev->base, sizeof(struct rgmii_regs));
- return regs + 1;
-}
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