blob: 89e0df460671a18f4a3bae3484120be9a4299933 [file] [log] [blame]
developerec4ebe42022-04-12 11:17:45 +08001From 3cb240533ab787899dc7f17aa7d6c5b4810e2e58 Mon Sep 17 00:00:00 2001
2From: Hauke Mehrtens <hauke@hauke-m.de>
3Date: Fri, 7 Jul 2017 17:26:01 +0200
4Subject: bcm53xx: bgmac: use srab switch driver
5
6use the srab switch driver on these SoCs.
7
8Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
9---
10 drivers/net/ethernet/broadcom/bgmac-bcma.c | 1 +
11 drivers/net/ethernet/broadcom/bgmac.c | 24 ++++++++++++++++++++++++
12 drivers/net/ethernet/broadcom/bgmac.h | 4 ++++
13 3 files changed, 29 insertions(+)
14
15--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
16+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
17@@ -268,6 +268,7 @@ static int bgmac_probe(struct bcma_devic
18 bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
19 bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
20 bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
21+ bgmac->feature_flags |= BGMAC_FEAT_SRAB;
22 break;
23 default:
24 bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
25--- a/drivers/net/ethernet/broadcom/bgmac.c
26+++ b/drivers/net/ethernet/broadcom/bgmac.c
27@@ -12,6 +12,7 @@
28 #include <linux/bcma/bcma.h>
29 #include <linux/etherdevice.h>
30 #include <linux/interrupt.h>
31+#include <linux/platform_data/b53.h>
32 #include <linux/bcm47xx_nvram.h>
33 #include <linux/phy.h>
34 #include <linux/phy_fixed.h>
35@@ -1407,6 +1408,17 @@ static const struct ethtool_ops bgmac_et
36 .set_link_ksettings = phy_ethtool_set_link_ksettings,
37 };
38
39+static struct b53_platform_data bgmac_b53_pdata = {
40+};
41+
42+static struct platform_device bgmac_b53_dev = {
43+ .name = "b53-srab-switch",
44+ .id = -1,
45+ .dev = {
46+ .platform_data = &bgmac_b53_pdata,
47+ },
48+};
49+
50 /**************************************************
51 * MII
52 **************************************************/
53@@ -1538,6 +1550,14 @@ int bgmac_enet_probe(struct bgmac *bgmac
54 net_dev->hw_features = net_dev->features;
55 net_dev->vlan_features = net_dev->features;
56
57+ if ((bgmac->feature_flags & BGMAC_FEAT_SRAB) && !bgmac_b53_pdata.regs) {
58+ bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
59+
60+ err = platform_device_register(&bgmac_b53_dev);
61+ if (!err)
62+ bgmac->b53_device = &bgmac_b53_dev;
63+ }
64+
65 err = register_netdev(bgmac->net_dev);
66 if (err) {
67 dev_err(bgmac->dev, "Cannot register net device\n");
68@@ -1560,6 +1580,10 @@ EXPORT_SYMBOL_GPL(bgmac_enet_probe);
69
70 void bgmac_enet_remove(struct bgmac *bgmac)
71 {
72+ if (bgmac->b53_device)
73+ platform_device_unregister(&bgmac_b53_dev);
74+ bgmac->b53_device = NULL;
75+
76 unregister_netdev(bgmac->net_dev);
77 phy_disconnect(bgmac->net_dev->phydev);
78 netif_napi_del(&bgmac->napi);
79--- a/drivers/net/ethernet/broadcom/bgmac.h
80+++ b/drivers/net/ethernet/broadcom/bgmac.h
81@@ -427,6 +427,7 @@
82 #define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18)
83 #define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19)
84 #define BGMAC_FEAT_IDM_MASK BIT(20)
85+#define BGMAC_FEAT_SRAB BIT(21)
86
87 struct bgmac_slot_info {
88 union {
89@@ -532,6 +533,9 @@ struct bgmac {
90 void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask,
91 u32 set);
92 int (*phy_connect)(struct bgmac *bgmac);
93+
94+ /* platform device for associated switch */
95+ struct platform_device *b53_device;
96 };
97
98 struct bgmac *bgmac_alloc(struct device *dev);