ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/ethernet/broadcom/bgmac-bcma.c b/marvell/linux/drivers/net/ethernet/broadcom/bgmac-bcma.c
new file mode 100644
index 0000000..94e4d5c
--- /dev/null
+++ b/marvell/linux/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -0,0 +1,366 @@
+/*
+ * Driver for (BCM4706)? GBit MAC core on BCMA bus.
+ *
+ * Copyright (C) 2012 Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/bcma/bcma.h>
+#include <linux/brcmphy.h>
+#include <linux/etherdevice.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
+#include "bgmac.h"
+
+static inline bool bgmac_is_bcm4707_family(struct bcma_device *core)
+{
+ switch (core->bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM47094:
+ case BCMA_CHIP_ID_BCM53018:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/**************************************************
+ * BCMA bus ops
+ **************************************************/
+
+static u32 bcma_bgmac_read(struct bgmac *bgmac, u16 offset)
+{
+ return bcma_read32(bgmac->bcma.core, offset);
+}
+
+static void bcma_bgmac_write(struct bgmac *bgmac, u16 offset, u32 value)
+{
+ bcma_write32(bgmac->bcma.core, offset, value);
+}
+
+static u32 bcma_bgmac_idm_read(struct bgmac *bgmac, u16 offset)
+{
+ return bcma_aread32(bgmac->bcma.core, offset);
+}
+
+static void bcma_bgmac_idm_write(struct bgmac *bgmac, u16 offset, u32 value)
+{
+ return bcma_awrite32(bgmac->bcma.core, offset, value);
+}
+
+static bool bcma_bgmac_clk_enabled(struct bgmac *bgmac)
+{
+ return bcma_core_is_enabled(bgmac->bcma.core);
+}
+
+static void bcma_bgmac_clk_enable(struct bgmac *bgmac, u32 flags)
+{
+ bcma_core_enable(bgmac->bcma.core, flags);
+}
+
+static void bcma_bgmac_cco_ctl_maskset(struct bgmac *bgmac, u32 offset,
+ u32 mask, u32 set)
+{
+ struct bcma_drv_cc *cc = &bgmac->bcma.core->bus->drv_cc;
+
+ bcma_chipco_chipctl_maskset(cc, offset, mask, set);
+}
+
+static u32 bcma_bgmac_get_bus_clock(struct bgmac *bgmac)
+{
+ struct bcma_drv_cc *cc = &bgmac->bcma.core->bus->drv_cc;
+
+ return bcma_pmu_get_bus_clock(cc);
+}
+
+static void bcma_bgmac_cmn_maskset32(struct bgmac *bgmac, u16 offset, u32 mask,
+ u32 set)
+{
+ bcma_maskset32(bgmac->bcma.cmn, offset, mask, set);
+}
+
+static int bcma_phy_connect(struct bgmac *bgmac)
+{
+ struct phy_device *phy_dev;
+ char bus_id[MII_BUS_ID_SIZE + 3];
+
+ /* DT info should be the most accurate */
+ phy_dev = of_phy_get_and_connect(bgmac->net_dev, bgmac->dev->of_node,
+ bgmac_adjust_link);
+ if (phy_dev)
+ return 0;
+
+ /* Connect to the PHY */
+ if (bgmac->mii_bus && bgmac->phyaddr != BGMAC_PHY_NOREGS) {
+ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id,
+ bgmac->phyaddr);
+ phy_dev = phy_connect(bgmac->net_dev, bus_id, bgmac_adjust_link,
+ PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(phy_dev)) {
+ dev_err(bgmac->dev, "PHY connection failed\n");
+ return PTR_ERR(phy_dev);
+ }
+
+ return 0;
+ }
+
+ /* Assume a fixed link to the switch port */
+ return bgmac_phy_connect_direct(bgmac);
+}
+
+static const struct bcma_device_id bgmac_bcma_tbl[] = {
+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT,
+ BCMA_ANY_REV, BCMA_ANY_CLASS),
+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_MAC_GBIT, BCMA_ANY_REV,
+ BCMA_ANY_CLASS),
+ {},
+};
+MODULE_DEVICE_TABLE(bcma, bgmac_bcma_tbl);
+
+/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
+static int bgmac_probe(struct bcma_device *core)
+{
+ struct bcma_chipinfo *ci = &core->bus->chipinfo;
+ struct ssb_sprom *sprom = &core->bus->sprom;
+ struct mii_bus *mii_bus;
+ struct bgmac *bgmac;
+ const u8 *mac = NULL;
+ int err;
+
+ bgmac = bgmac_alloc(&core->dev);
+ if (!bgmac)
+ return -ENOMEM;
+
+ bgmac->bcma.core = core;
+ bgmac->dma_dev = core->dma_dev;
+ bgmac->irq = core->irq;
+
+ bcma_set_drvdata(core, bgmac);
+
+ if (bgmac->dev->of_node)
+ mac = of_get_mac_address(bgmac->dev->of_node);
+
+ /* If no MAC address assigned via device tree, check SPROM */
+ if (IS_ERR_OR_NULL(mac)) {
+ switch (core->core_unit) {
+ case 0:
+ mac = sprom->et0mac;
+ break;
+ case 1:
+ mac = sprom->et1mac;
+ break;
+ case 2:
+ mac = sprom->et2mac;
+ break;
+ default:
+ dev_err(bgmac->dev, "Unsupported core_unit %d\n",
+ core->core_unit);
+ err = -ENOTSUPP;
+ goto err;
+ }
+ }
+
+ ether_addr_copy(bgmac->net_dev->dev_addr, mac);
+
+ /* On BCM4706 we need common core to access PHY */
+ if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
+ !core->bus->drv_gmac_cmn.core) {
+ dev_err(bgmac->dev, "GMAC CMN core not found (required for BCM4706)\n");
+ err = -ENODEV;
+ goto err;
+ }
+ bgmac->bcma.cmn = core->bus->drv_gmac_cmn.core;
+
+ switch (core->core_unit) {
+ case 0:
+ bgmac->phyaddr = sprom->et0phyaddr;
+ break;
+ case 1:
+ bgmac->phyaddr = sprom->et1phyaddr;
+ break;
+ case 2:
+ bgmac->phyaddr = sprom->et2phyaddr;
+ break;
+ }
+ bgmac->phyaddr &= BGMAC_PHY_MASK;
+ if (bgmac->phyaddr == BGMAC_PHY_MASK) {
+ dev_err(bgmac->dev, "No PHY found\n");
+ err = -ENODEV;
+ goto err;
+ }
+ dev_info(bgmac->dev, "Found PHY addr: %d%s\n", bgmac->phyaddr,
+ bgmac->phyaddr == BGMAC_PHY_NOREGS ? " (NOREGS)" : "");
+
+ if (!bgmac_is_bcm4707_family(core) &&
+ !(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) {
+ struct phy_device *phydev;
+
+ mii_bus = bcma_mdio_mii_register(bgmac);
+ if (IS_ERR(mii_bus)) {
+ err = PTR_ERR(mii_bus);
+ goto err;
+ }
+ bgmac->mii_bus = mii_bus;
+
+ phydev = mdiobus_get_phy(bgmac->mii_bus, bgmac->phyaddr);
+ if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev &&
+ (phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E)
+ phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE;
+ }
+
+ if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {
+ dev_err(bgmac->dev, "PCI setup not implemented\n");
+ err = -ENOTSUPP;
+ goto err1;
+ }
+
+ bgmac->has_robosw = !!(sprom->boardflags_lo & BGMAC_BFL_ENETROBO);
+ if (bgmac->has_robosw)
+ dev_warn(bgmac->dev, "Support for Roboswitch not implemented\n");
+
+ if (sprom->boardflags_lo & BGMAC_BFL_ENETADM)
+ dev_warn(bgmac->dev, "Support for ADMtek ethernet switch not implemented\n");
+
+ /* Feature Flags */
+ switch (ci->id) {
+ /* BCM 471X/535X family */
+ case BCMA_CHIP_ID_BCM4716:
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ /* fallthrough */
+ case BCMA_CHIP_ID_BCM47162:
+ bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL2;
+ bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
+ break;
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM53572:
+ bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
+ bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
+ if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
+ (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) {
+ bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
+ bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
+ }
+ if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358)
+ bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
+ break;
+ case BCMA_CHIP_ID_BCM53573:
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
+ if (ci->pkg == BCMA_PKG_ID_BCM47189)
+ bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
+ if (core->core_unit == 0) {
+ bgmac->feature_flags |= BGMAC_FEAT_CC4_IF_SW_TYPE;
+ if (ci->pkg == BCMA_PKG_ID_BCM47189)
+ bgmac->feature_flags |=
+ BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII;
+ } else if (core->core_unit == 1) {
+ bgmac->feature_flags |= BGMAC_FEAT_IRQ_ID_OOB_6;
+ bgmac->feature_flags |= BGMAC_FEAT_CC7_IF_TYPE_RGMII;
+ }
+ break;
+ case BCMA_CHIP_ID_BCM4749:
+ bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
+ bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
+ if (ci->pkg == 10) {
+ bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
+ bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
+ }
+ break;
+ /* bcm4707_family */
+ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM47094:
+ case BCMA_CHIP_ID_BCM53018:
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
+ bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
+ bgmac->feature_flags |= BGMAC_FEAT_SRAB;
+ break;
+ default:
+ bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
+ bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
+ }
+
+ if (!bgmac_is_bcm4707_family(core) && core->id.rev > 2)
+ bgmac->feature_flags |= BGMAC_FEAT_MISC_PLL_REQ;
+
+ if (core->id.id == BCMA_CORE_4706_MAC_GBIT) {
+ bgmac->feature_flags |= BGMAC_FEAT_CMN_PHY_CTL;
+ bgmac->feature_flags |= BGMAC_FEAT_NO_CLR_MIB;
+ }
+
+ if (core->id.rev >= 4) {
+ bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4;
+ bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP;
+ bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP;
+ }
+
+ bgmac->read = bcma_bgmac_read;
+ bgmac->write = bcma_bgmac_write;
+ bgmac->idm_read = bcma_bgmac_idm_read;
+ bgmac->idm_write = bcma_bgmac_idm_write;
+ bgmac->clk_enabled = bcma_bgmac_clk_enabled;
+ bgmac->clk_enable = bcma_bgmac_clk_enable;
+ bgmac->cco_ctl_maskset = bcma_bgmac_cco_ctl_maskset;
+ bgmac->get_bus_clock = bcma_bgmac_get_bus_clock;
+ bgmac->cmn_maskset32 = bcma_bgmac_cmn_maskset32;
+ bgmac->phy_connect = bcma_phy_connect;
+
+ err = bgmac_enet_probe(bgmac);
+ if (err)
+ goto err1;
+
+ return 0;
+
+err1:
+ bcma_mdio_mii_unregister(bgmac->mii_bus);
+err:
+ bcma_set_drvdata(core, NULL);
+
+ return err;
+}
+
+static void bgmac_remove(struct bcma_device *core)
+{
+ struct bgmac *bgmac = bcma_get_drvdata(core);
+
+ bcma_mdio_mii_unregister(bgmac->mii_bus);
+ bgmac_enet_remove(bgmac);
+ bcma_set_drvdata(core, NULL);
+}
+
+static struct bcma_driver bgmac_bcma_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = bgmac_bcma_tbl,
+ .probe = bgmac_probe,
+ .remove = bgmac_remove,
+};
+
+static int __init bgmac_init(void)
+{
+ int err;
+
+ err = bcma_driver_register(&bgmac_bcma_driver);
+ if (err)
+ return err;
+ pr_info("Broadcom 47xx GBit MAC driver loaded\n");
+
+ return 0;
+}
+
+static void __exit bgmac_exit(void)
+{
+ bcma_driver_unregister(&bgmac_bcma_driver);
+}
+
+module_init(bgmac_init)
+module_exit(bgmac_exit)
+
+MODULE_AUTHOR("Rafał Miłecki");
+MODULE_LICENSE("GPL");