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path: root/include/shell.sh
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getvar() {
	eval "echo \"\${$1}\""
}

var2file() {
	local var
	eval "var=\"\${$1}\""
	if [ -n "$var" ]; then echo "$var" > "$2"; fi
}

isset() {
	local var
	eval "var=\"\${$1}\""
	[ -n "$var" ]
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-26 11:37:12 +0000
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Register switch connected to srab

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -17,6 +17,7 @@
 #include <linux/phy_fixed.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
+#include <linux/platform_data/b53.h>
 #include <bcm47xx_nvram.h>
 
 static const struct bcma_device_id bgmac_bcma_tbl[] = {
@@ -1520,6 +1521,17 @@ static void bgmac_mii_unregister(struct 
 	mdiobus_free(mii_bus);
 }
 
+static struct b53_platform_data bgmac_b53_pdata = {
+};
+
+static struct platform_device bgmac_b53_dev = {
+	.name		= "b53-srab-switch",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &bgmac_b53_pdata,
+	},
+};
+
 /**************************************************
  * BCMA bus ops
  **************************************************/
@@ -1646,6 +1658,16 @@ static int bgmac_probe(struct bcma_devic
 	net_dev->hw_features = net_dev->features;
 	net_dev->vlan_features = net_dev->features;
 
+	if ((ci->id == BCMA_CHIP_ID_BCM4707 ||
+	     ci->id == BCMA_CHIP_ID_BCM53018) &&
+	    !bgmac_b53_pdata.regs) {
+		bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
+
+		err = platform_device_register(&bgmac_b53_dev);
+		if (!err)
+			bgmac->b53_device = &bgmac_b53_dev;
+	}
+
 	err = register_netdev(bgmac->net_dev);
 	if (err) {
 		bgmac_err(bgmac, "Cannot register net device\n");
@@ -1672,6 +1694,10 @@ static void bgmac_remove(struct bcma_dev
 {
 	struct bgmac *bgmac = bcma_get_drvdata(core);
 
+	if (bgmac->b53_device)
+		platform_device_unregister(&bgmac_b53_dev);
+	bgmac->b53_device = NULL;
+
 	unregister_netdev(bgmac->net_dev);
 	bgmac_mii_unregister(bgmac);
 	netif_napi_del(&bgmac->napi);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -462,6 +462,9 @@ struct bgmac {
 	bool has_robosw;
 
 	bool loopback;
+
+	/* platform device for associated switch */
+	struct platform_device *b53_device;
 };
 
 static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-26 11:37:12 +0000