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Merge branch 'bgmac-cleanups-PM-support'
Jon Mason says: ==================== net: ethernet: bgmac: PM support and clean-ups Changes in v3: * Corrected a bug Florian found and added his Reviewed-by Changes in v2: * Reworked the PM patch with Florian's suggestions Add code to support Power Management (only tested on NS2), and add some code clean-ups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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commit
d9c0eb0c91
@ -192,48 +192,16 @@ static int bgmac_probe(struct bcma_device *core)
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goto err1;
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}
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bgmac->has_robosw = !!(core->bus->sprom.boardflags_lo &
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BGMAC_BFL_ENETROBO);
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bgmac->has_robosw = !!(sprom->boardflags_lo & BGMAC_BFL_ENETROBO);
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if (bgmac->has_robosw)
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dev_warn(bgmac->dev, "Support for Roboswitch not implemented\n");
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if (core->bus->sprom.boardflags_lo & BGMAC_BFL_ENETADM)
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if (sprom->boardflags_lo & BGMAC_BFL_ENETADM)
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dev_warn(bgmac->dev, "Support for ADMtek ethernet switch not implemented\n");
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/* Feature Flags */
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switch (core->bus->chipinfo.id) {
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case BCMA_CHIP_ID_BCM5357:
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
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if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM47186) {
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bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
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}
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if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM5358)
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
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break;
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case BCMA_CHIP_ID_BCM53572:
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
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if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM47188) {
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
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bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
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}
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break;
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case BCMA_CHIP_ID_BCM4749:
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
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if (core->bus->chipinfo.pkg == 10) {
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
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bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
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}
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break;
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switch (ci->id) {
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/* BCM 471X/535X family */
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case BCMA_CHIP_ID_BCM4716:
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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/* fallthrough */
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@ -241,13 +209,19 @@ static int bgmac_probe(struct bcma_device *core)
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL2;
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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break;
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/* bcm4707_family */
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case BCMA_CHIP_ID_BCM4707:
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case BCMA_CHIP_ID_BCM47094:
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case BCMA_CHIP_ID_BCM53018:
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case BCMA_CHIP_ID_BCM5357:
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case BCMA_CHIP_ID_BCM53572:
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
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bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
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if (ci->pkg == BCMA_PKG_ID_BCM47188 ||
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ci->pkg == BCMA_PKG_ID_BCM47186) {
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
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bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
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}
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if (ci->pkg == BCMA_PKG_ID_BCM5358)
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
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break;
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case BCMA_CHIP_ID_BCM53573:
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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@ -264,6 +238,24 @@ static int bgmac_probe(struct bcma_device *core)
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bgmac->feature_flags |= BGMAC_FEAT_CC7_IF_TYPE_RGMII;
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}
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break;
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case BCMA_CHIP_ID_BCM4749:
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
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if (ci->pkg == 10) {
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bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
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bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
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}
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break;
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/* bcm4707_family */
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case BCMA_CHIP_ID_BCM4707:
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case BCMA_CHIP_ID_BCM47094:
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case BCMA_CHIP_ID_BCM53018:
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
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bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
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break;
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default:
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bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
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bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK;
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@ -21,8 +21,12 @@
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#include <linux/of_net.h>
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#include "bgmac.h"
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#define NICPM_PADRING_CFG 0x00000004
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#define NICPM_IOMUX_CTRL 0x00000008
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#define NICPM_PADRING_CFG_INIT_VAL 0x74000000
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#define NICPM_IOMUX_CTRL_INIT_VAL_AX 0x21880000
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#define NICPM_IOMUX_CTRL_INIT_VAL 0x3196e000
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#define NICPM_IOMUX_CTRL_SPD_SHIFT 10
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#define NICPM_IOMUX_CTRL_SPD_10M 0
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@ -113,6 +117,10 @@ static void bgmac_nicpm_speed_set(struct net_device *net_dev)
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if (!bgmac->plat.nicpm_base)
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return;
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/* SET RGMII IO CONFIG */
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writel(NICPM_PADRING_CFG_INIT_VAL,
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bgmac->plat.nicpm_base + NICPM_PADRING_CFG);
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val = NICPM_IOMUX_CTRL_INIT_VAL;
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switch (bgmac->net_dev->phydev->speed) {
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default:
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@ -244,6 +252,31 @@ static int bgmac_remove(struct platform_device *pdev)
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return 0;
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}
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#ifdef CONFIG_PM
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static int bgmac_suspend(struct device *dev)
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{
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struct bgmac *bgmac = dev_get_drvdata(dev);
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return bgmac_enet_suspend(bgmac);
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}
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static int bgmac_resume(struct device *dev)
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{
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struct bgmac *bgmac = dev_get_drvdata(dev);
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return bgmac_enet_resume(bgmac);
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}
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static const struct dev_pm_ops bgmac_pm_ops = {
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.suspend = bgmac_suspend,
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.resume = bgmac_resume
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};
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#define BGMAC_PM_OPS (&bgmac_pm_ops)
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#else
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#define BGMAC_PM_OPS NULL
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#endif /* CONFIG_PM */
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static const struct of_device_id bgmac_of_enet_match[] = {
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{.compatible = "brcm,amac",},
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{.compatible = "brcm,nsp-amac",},
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@ -257,6 +290,7 @@ static struct platform_driver bgmac_enet_driver = {
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.driver = {
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.name = "bgmac-enet",
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.of_match_table = bgmac_of_enet_match,
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.pm = BGMAC_PM_OPS
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},
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.probe = bgmac_probe,
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.remove = bgmac_remove,
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@ -1480,6 +1480,7 @@ int bgmac_enet_probe(struct bgmac *bgmac)
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net_dev->irq = bgmac->irq;
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SET_NETDEV_DEV(net_dev, bgmac->dev);
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dev_set_drvdata(bgmac->dev, bgmac);
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if (!is_valid_ether_addr(net_dev->dev_addr)) {
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dev_err(bgmac->dev, "Invalid MAC addr: %pM\n",
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@ -1552,5 +1553,55 @@ void bgmac_enet_remove(struct bgmac *bgmac)
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}
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EXPORT_SYMBOL_GPL(bgmac_enet_remove);
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int bgmac_enet_suspend(struct bgmac *bgmac)
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{
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if (!netif_running(bgmac->net_dev))
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return 0;
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phy_stop(bgmac->net_dev->phydev);
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netif_stop_queue(bgmac->net_dev);
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napi_disable(&bgmac->napi);
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netif_tx_lock(bgmac->net_dev);
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netif_device_detach(bgmac->net_dev);
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netif_tx_unlock(bgmac->net_dev);
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bgmac_chip_intrs_off(bgmac);
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bgmac_chip_reset(bgmac);
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bgmac_dma_cleanup(bgmac);
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return 0;
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}
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EXPORT_SYMBOL_GPL(bgmac_enet_suspend);
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int bgmac_enet_resume(struct bgmac *bgmac)
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{
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int rc;
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if (!netif_running(bgmac->net_dev))
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return 0;
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rc = bgmac_dma_init(bgmac);
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if (rc)
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return rc;
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bgmac_chip_init(bgmac);
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napi_enable(&bgmac->napi);
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netif_tx_lock(bgmac->net_dev);
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netif_device_attach(bgmac->net_dev);
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netif_tx_unlock(bgmac->net_dev);
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netif_start_queue(bgmac->net_dev);
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phy_start(bgmac->net_dev->phydev);
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return 0;
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}
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EXPORT_SYMBOL_GPL(bgmac_enet_resume);
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MODULE_AUTHOR("Rafał Miłecki");
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MODULE_LICENSE("GPL");
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@ -402,7 +402,7 @@
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#define BGMAC_WEIGHT 64
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#define ETHER_MAX_LEN 1518
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#define ETHER_MAX_LEN (ETH_FRAME_LEN + ETH_FCS_LEN)
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/* Feature Flags */
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#define BGMAC_FEAT_TX_MASK_SETUP BIT(0)
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@ -537,6 +537,8 @@ int bgmac_enet_probe(struct bgmac *bgmac);
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void bgmac_enet_remove(struct bgmac *bgmac);
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void bgmac_adjust_link(struct net_device *net_dev);
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int bgmac_phy_connect_direct(struct bgmac *bgmac);
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int bgmac_enet_suspend(struct bgmac *bgmac);
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int bgmac_enet_resume(struct bgmac *bgmac);
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struct mii_bus *bcma_mdio_mii_register(struct bgmac *bgmac);
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void bcma_mdio_mii_unregister(struct mii_bus *mii_bus);
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