e2a65f4aa5
It's supposed to significantly improve performance but doesn't seem to affect Northstar unfortunately. It seems only some other platforms were limited because of this DMA setup mistake. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
88 lines
2.6 KiB
Diff
88 lines
2.6 KiB
Diff
Register switch connected to srab
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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--- a/drivers/net/ethernet/broadcom/bgmac.c
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+++ b/drivers/net/ethernet/broadcom/bgmac.c
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@@ -11,6 +11,7 @@
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#include <linux/bcma/bcma.h>
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#include <linux/etherdevice.h>
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+#include <linux/platform_data/b53.h>
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#include <linux/bcm47xx_nvram.h>
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#include "bgmac.h"
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@@ -1403,6 +1404,17 @@ static const struct ethtool_ops bgmac_et
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.get_drvinfo = bgmac_get_drvinfo,
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};
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+static struct b53_platform_data bgmac_b53_pdata = {
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+};
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+
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+static struct platform_device bgmac_b53_dev = {
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+ .name = "b53-srab-switch",
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+ .id = -1,
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+ .dev = {
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+ .platform_data = &bgmac_b53_pdata,
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+ },
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+};
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+
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/**************************************************
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* MII
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**************************************************/
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@@ -1539,6 +1551,14 @@ int bgmac_enet_probe(struct bgmac *info)
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net_dev->hw_features = net_dev->features;
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net_dev->vlan_features = net_dev->features;
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+ if ((bgmac->feature_flags & BGMAC_FEAT_SRAB) && !bgmac_b53_pdata.regs) {
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+ bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
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+
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+ err = platform_device_register(&bgmac_b53_dev);
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+ if (!err)
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+ bgmac->b53_device = &bgmac_b53_dev;
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+ }
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+
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err = register_netdev(bgmac->net_dev);
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if (err) {
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dev_err(bgmac->dev, "Cannot register net device\n");
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@@ -1562,6 +1582,10 @@ EXPORT_SYMBOL_GPL(bgmac_enet_probe);
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void bgmac_enet_remove(struct bgmac *bgmac)
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{
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+ if (bgmac->b53_device)
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+ platform_device_unregister(&bgmac_b53_dev);
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+ bgmac->b53_device = NULL;
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+
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unregister_netdev(bgmac->net_dev);
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phy_disconnect(bgmac->net_dev->phydev);
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netif_napi_del(&bgmac->napi);
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--- a/drivers/net/ethernet/broadcom/bgmac.h
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+++ b/drivers/net/ethernet/broadcom/bgmac.h
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@@ -409,6 +409,7 @@
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#define BGMAC_FEAT_CC4_IF_SW_TYPE BIT(17)
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#define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18)
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#define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19)
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+#define BGMAC_FEAT_SRAB BIT(20)
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struct bgmac_slot_info {
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union {
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@@ -513,6 +514,9 @@ struct bgmac {
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u32 (*get_bus_clock)(struct bgmac *bgmac);
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void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask,
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u32 set);
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+
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+ /* platform device for associated switch */
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+ struct platform_device *b53_device;
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};
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int bgmac_enet_probe(struct bgmac *info);
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--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
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+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
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@@ -231,6 +231,7 @@ static int bgmac_probe(struct bcma_devic
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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_SRAB;
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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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