9 files changed, 386 insertions, 54 deletions

diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
index 91290f7f61b8..838b4b9d352f 100644
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,5 +1,6 @@
 bcma-y					+= main.o scan.o core.o sprom.o
 bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
+bcma-y					+= driver_chipcommon_b.o
 bcma-$(CONFIG_BCMA_SFLASH)		+= driver_chipcommon_sflash.o
 bcma-$(CONFIG_BCMA_NFLASH)		+= driver_chipcommon_nflash.o
 bcma-y					+= driver_pci.o
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index 09b632ad0fe2..b6412b2d748d 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -50,6 +50,10 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
 extern struct platform_device bcma_pflash_dev;
 #endif /* CONFIG_BCMA_DRIVER_MIPS */
 
+/* driver_chipcommon_b.c */
+int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
+void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb);
+
 /* driver_chipcommon_pmu.c */
 u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
 u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
@@ -84,6 +88,20 @@ extern int __init bcma_host_pci_init(void);
 extern void __exit bcma_host_pci_exit(void);
 #endif /* CONFIG_BCMA_HOST_PCI */
 
+/* host_soc.c */
+#if defined(CONFIG_BCMA_HOST_SOC) && defined(CONFIG_OF)
+extern int __init bcma_host_soc_register_driver(void);
+extern void __exit bcma_host_soc_unregister_driver(void);
+#else
+static inline int __init bcma_host_soc_register_driver(void)
+{
+	return 0;
+}
+static inline void __exit bcma_host_soc_unregister_driver(void)
+{
+}
+#endif /* CONFIG_BCMA_HOST_SOC && CONFIG_OF */
+
 /* driver_pci.c */
 u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
 
diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c
new file mode 100644
index 000000000000..c20b5f4ff290
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_b.c
@@ -0,0 +1,61 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon B Unit driver
+ *
+ * Copyright 2014, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask,
+			  u32 value, int timeout)
+{
+	unsigned long deadline = jiffies + timeout;
+	u32 val;
+
+	do {
+		val = readl(addr);
+		if ((val & mask) == value)
+			return true;
+		cpu_relax();
+		udelay(10);
+	} while (!time_after_eq(jiffies, deadline));
+
+	bcma_err(bus, "Timeout waiting for register %p\n", addr);
+
+	return false;
+}
+
+void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value)
+{
+	struct bcma_bus *bus = ccb->core->bus;
+
+	writel(offset, ccb->mii + 0x00);
+	bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
+	writel(value, ccb->mii + 0x04);
+	bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write);
+
+int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb)
+{
+	if (ccb->setup_done)
+		return 0;
+
+	ccb->setup_done = 1;
+	ccb->mii = ioremap_nocache(ccb->core->addr_s[1], BCMA_CORE_SIZE);
+	if (!ccb->mii)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb)
+{
+	if (ccb->mii)
+		iounmap(ccb->mii);
+}
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index aec9f850b4a8..706b9ae0dcfb 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)
 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
 }
 
-#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
+#if IS_BUILTIN(CONFIG_BCM47XX)
 static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 {
 	struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
@@ -215,9 +215,13 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 	chip->set		= bcma_gpio_set_value;
 	chip->direction_input	= bcma_gpio_direction_input;
 	chip->direction_output	= bcma_gpio_direction_output;
-#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
+#if IS_BUILTIN(CONFIG_BCM47XX)
 	chip->to_irq		= bcma_gpio_to_irq;
 #endif
+#if IS_BUILTIN(CONFIG_OF)
+	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
+		chip->of_node	= cc->core->dev.of_node;
+#endif
 	switch (cc->core->bus->chipinfo.id) {
 	case BCMA_CHIP_ID_BCM5357:
 	case BCMA_CHIP_ID_BCM53572:
@@ -251,5 +255,6 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 int bcma_gpio_unregister(struct bcma_drv_cc *cc)
 {
 	bcma_gpio_irq_domain_exit(cc);
-	return gpiochip_remove(&cc->gpio);
+	gpiochip_remove(&cc->gpio);
+	return 0;
 }
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 11115bbe115c..004d6aa671ce 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -21,6 +21,14 @@
 #include <linux/serial_reg.h>
 #include <linux/time.h>
 
+enum bcma_boot_dev {
+	BCMA_BOOT_DEV_UNK = 0,
+	BCMA_BOOT_DEV_ROM,
+	BCMA_BOOT_DEV_PARALLEL,
+	BCMA_BOOT_DEV_SERIAL,
+	BCMA_BOOT_DEV_NAND,
+};
+
 static const char * const part_probes[] = { "bcm47xxpart", NULL };
 
 static struct physmap_flash_data bcma_pflash_data = {
@@ -229,11 +237,51 @@ u32 bcma_cpu_clock(struct bcma_drv_mips *mcore)
 }
 EXPORT_SYMBOL(bcma_cpu_clock);
 
+static enum bcma_boot_dev bcma_boot_dev(struct bcma_bus *bus)
+{
+	struct bcma_drv_cc *cc = &bus->drv_cc;
+	u8 cc_rev = cc->core->id.rev;
+
+	if (cc_rev == 42) {
+		struct bcma_device *core;
+
+		core = bcma_find_core(bus, BCMA_CORE_NS_ROM);
+		if (core) {
+			switch (bcma_aread32(core, BCMA_IOST) &
+				BCMA_NS_ROM_IOST_BOOT_DEV_MASK) {
+			case BCMA_NS_ROM_IOST_BOOT_DEV_NOR:
+				return BCMA_BOOT_DEV_SERIAL;
+			case BCMA_NS_ROM_IOST_BOOT_DEV_NAND:
+				return BCMA_BOOT_DEV_NAND;
+			case BCMA_NS_ROM_IOST_BOOT_DEV_ROM:
+			default:
+				return BCMA_BOOT_DEV_ROM;
+			}
+		}
+	} else {
+		if (cc_rev == 38) {
+			if (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT)
+				return BCMA_BOOT_DEV_NAND;
+			else if (cc->status & BIT(5))
+				return BCMA_BOOT_DEV_ROM;
+		}
+
+		if ((cc->capabilities & BCMA_CC_CAP_FLASHT) ==
+		    BCMA_CC_FLASHT_PARA)
+			return BCMA_BOOT_DEV_PARALLEL;
+		else
+			return BCMA_BOOT_DEV_SERIAL;
+	}
+
+	return BCMA_BOOT_DEV_SERIAL;
+}
+
 static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
 {
 	struct bcma_bus *bus = mcore->core->bus;
 	struct bcma_drv_cc *cc = &bus->drv_cc;
 	struct bcma_pflash *pflash = &cc->pflash;
+	enum bcma_boot_dev boot_dev;
 
 	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
 	case BCMA_CC_FLASHT_STSER:
@@ -269,6 +317,20 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
 			bcma_nflash_init(cc);
 		}
 	}
+
+	/* Determine flash type this SoC boots from */
+	boot_dev = bcma_boot_dev(bus);
+	switch (boot_dev) {
+	case BCMA_BOOT_DEV_PARALLEL:
+	case BCMA_BOOT_DEV_SERIAL:
+		/* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
+		break;
+	case BCMA_BOOT_DEV_NAND:
+		/* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
+		break;
+	default:
+		break;
+	}
 }
 
 void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index 294a7dd25190..1e5ac0a79696 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -208,6 +208,9 @@ static int bcma_host_pci_probe(struct pci_dev *dev,
 	bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
 	bus->boardinfo.type = bus->host_pci->subsystem_device;
 
+	/* Initialize struct, detect chip */
+	bcma_init_bus(bus);
+
 	/* Register */
 	err = bcma_bus_register(bus);
 	if (err)
@@ -282,6 +285,7 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) },	/* 0xA8DB */
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c
index 3475e600011a..335cbcfd945b 100644
--- a/drivers/bcma/host_soc.c
+++ b/drivers/bcma/host_soc.c
@@ -7,6 +7,9 @@
 
 #include "bcma_private.h"
 #include "scan.h"
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
 #include <linux/bcma/bcma.h>
 #include <linux/bcma/bcma_soc.h>
 
@@ -134,12 +137,16 @@ static void bcma_host_soc_block_write(struct bcma_device *core,
 
 static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset)
 {
+	if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
+		return ~0;
 	return readl(core->io_wrap + offset);
 }
 
 static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
 				  u32 value)
 {
+	if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
+		return;
 	writel(value, core->io_wrap + offset);
 }
 
@@ -161,7 +168,6 @@ static const struct bcma_host_ops bcma_host_soc_ops = {
 int __init bcma_host_soc_register(struct bcma_soc *soc)
 {
 	struct bcma_bus *bus = &soc->bus;
-	int err;
 
 	/* iomap only first core. We have to read some register on this core
 	 * to scan the bus.
@@ -173,11 +179,100 @@ int __init bcma_host_soc_register(struct bcma_soc *soc)
 	/* Host specific */
 	bus->hosttype = BCMA_HOSTTYPE_SOC;
 	bus->ops = &bcma_host_soc_ops;
+	bus->host_pdev = NULL;
 
-	/* Register */
+	/* Initialize struct, detect chip */
+	bcma_init_bus(bus);
+
+	return 0;
+}
+
+int __init bcma_host_soc_init(struct bcma_soc *soc)
+{
+	struct bcma_bus *bus = &soc->bus;
+	int err;
+
+	/* Scan bus and initialize it */
 	err = bcma_bus_early_register(bus, &soc->core_cc, &soc->core_mips);
 	if (err)
 		iounmap(bus->mmio);
 
 	return err;
 }
+
+#ifdef CONFIG_OF
+static int bcma_host_soc_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	struct bcma_bus *bus;
+	int err;
+
+	/* Alloc */
+	bus = devm_kzalloc(dev, sizeof(*bus), GFP_KERNEL);
+	if (!bus)
+		return -ENOMEM;
+
+	/* Map MMIO */
+	bus->mmio = of_iomap(np, 0);
+	if (!bus->mmio)
+		return -ENOMEM;
+
+	/* Host specific */
+	bus->hosttype = BCMA_HOSTTYPE_SOC;
+	bus->ops = &bcma_host_soc_ops;
+	bus->host_pdev = pdev;
+
+	/* Initialize struct, detect chip */
+	bcma_init_bus(bus);
+
+	/* Register */
+	err = bcma_bus_register(bus);
+	if (err)
+		goto err_unmap_mmio;
+
+	platform_set_drvdata(pdev, bus);
+
+	return err;
+
+err_unmap_mmio:
+	iounmap(bus->mmio);
+	return err;
+}
+
+static int bcma_host_soc_remove(struct platform_device *pdev)
+{
+	struct bcma_bus *bus = platform_get_drvdata(pdev);
+
+	bcma_bus_unregister(bus);
+	iounmap(bus->mmio);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static const struct of_device_id bcma_host_soc_of_match[] = {
+	{ .compatible = "brcm,bus-axi", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, bcma_host_soc_of_match);
+
+static struct platform_driver bcma_host_soc_driver = {
+	.driver = {
+		.name = "bcma-host-soc",
+		.of_match_table = bcma_host_soc_of_match,
+	},
+	.probe		= bcma_host_soc_probe,
+	.remove		= bcma_host_soc_remove,
+};
+
+int __init bcma_host_soc_register_driver(void)
+{
+	return platform_driver_register(&bcma_host_soc_driver);
+}
+
+void __exit bcma_host_soc_unregister_driver(void)
+{
+	platform_driver_unregister(&bcma_host_soc_driver);
+}
+#endif /* CONFIG_OF */
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 0ff8d58831ef..d1656c2f70af 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -10,6 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/bcma/bcma.h>
 #include <linux/slab.h>
+#include <linux/of_address.h>
 
 MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
 MODULE_LICENSE("GPL");
@@ -120,16 +121,103 @@ static void bcma_release_core_dev(struct device *dev)
 	kfree(core);
 }
 
-static int bcma_register_cores(struct bcma_bus *bus)
+static bool bcma_is_core_needed_early(u16 core_id)
+{
+	switch (core_id) {
+	case BCMA_CORE_NS_NAND:
+	case BCMA_CORE_NS_QSPI:
+		return true;
+	}
+
+	return false;
+}
+
+#ifdef CONFIG_OF
+static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
+						     struct bcma_device *core)
+{
+	struct device_node *node;
+	u64 size;
+	const __be32 *reg;
+
+	if (!parent || !parent->dev.of_node)
+		return NULL;
+
+	for_each_child_of_node(parent->dev.of_node, node) {
+		reg = of_get_address(node, 0, &size, NULL);
+		if (!reg)
+			continue;
+		if (of_translate_address(node, reg) == core->addr)
+			return node;
+	}
+	return NULL;
+}
+
+static void bcma_of_fill_device(struct platform_device *parent,
+				struct bcma_device *core)
+{
+	struct device_node *node;
+
+	node = bcma_of_find_child_device(parent, core);
+	if (node)
+		core->dev.of_node = node;
+}
+#else
+static void bcma_of_fill_device(struct platform_device *parent,
+				struct bcma_device *core)
+{
+}
+#endif /* CONFIG_OF */
+
+static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
+{
+	int err;
+
+	core->dev.release = bcma_release_core_dev;
+	core->dev.bus = &bcma_bus_type;
+	dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index);
+
+	switch (bus->hosttype) {
+	case BCMA_HOSTTYPE_PCI:
+		core->dev.parent = &bus->host_pci->dev;
+		core->dma_dev = &bus->host_pci->dev;
+		core->irq = bus->host_pci->irq;
+		break;
+	case BCMA_HOSTTYPE_SOC:
+		core->dev.dma_mask = &core->dev.coherent_dma_mask;
+		if (bus->host_pdev) {
+			core->dma_dev = &bus->host_pdev->dev;
+			core->dev.parent = &bus->host_pdev->dev;
+			bcma_of_fill_device(bus->host_pdev, core);
+		} else {
+			core->dma_dev = &core->dev;
+		}
+		break;
+	case BCMA_HOSTTYPE_SDIO:
+		break;
+	}
+
+	err = device_register(&core->dev);
+	if (err) {
+		bcma_err(bus, "Could not register dev for core 0x%03X\n",
+			 core->id.id);
+		put_device(&core->dev);
+		return;
+	}
+	core->dev_registered = true;
+}
+
+static int bcma_register_devices(struct bcma_bus *bus)
 {
 	struct bcma_device *core;
-	int err, dev_id = 0;
+	int err;
 
 	list_for_each_entry(core, &bus->cores, list) {
 		/* We support that cores ourself */
 		switch (core->id.id) {
 		case BCMA_CORE_4706_CHIPCOMMON:
 		case BCMA_CORE_CHIPCOMMON:
+		case BCMA_CORE_NS_CHIPCOMMON_B:
 		case BCMA_CORE_PCI:
 		case BCMA_CORE_PCIE:
 		case BCMA_CORE_PCIE2:
@@ -138,39 +226,16 @@ static int bcma_register_cores(struct bcma_bus *bus)
 			continue;
 		}
 
+		/* Early cores were already registered */
+		if (bcma_is_core_needed_early(core->id.id))
+			continue;
+
 		/* Only first GMAC core on BCM4706 is connected and working */
 		if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
 		    core->core_unit > 0)
 			continue;
 
-		core->dev.release = bcma_release_core_dev;
-		core->dev.bus = &bcma_bus_type;
-		dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
-
-		switch (bus->hosttype) {
-		case BCMA_HOSTTYPE_PCI:
-			core->dev.parent = &bus->host_pci->dev;
-			core->dma_dev = &bus->host_pci->dev;
-			core->irq = bus->host_pci->irq;
-			break;
-		case BCMA_HOSTTYPE_SOC:
-			core->dev.dma_mask = &core->dev.coherent_dma_mask;
-			core->dma_dev = &core->dev;
-			break;
-		case BCMA_HOSTTYPE_SDIO:
-			break;
-		}
-
-		err = device_register(&core->dev);
-		if (err) {
-			bcma_err(bus,
-				 "Could not register dev for core 0x%03X\n",
-				 core->id.id);
-			put_device(&core->dev);
-			continue;
-		}
-		core->dev_registered = true;
-		dev_id++;
+		bcma_register_core(bus, core);
 	}
 
 #ifdef CONFIG_BCMA_DRIVER_MIPS
@@ -247,6 +312,12 @@ int bcma_bus_register(struct bcma_bus *bus)
 		bcma_core_chipcommon_early_init(&bus->drv_cc);
 	}
 
+	/* Cores providing flash access go before SPROM init */
+	list_for_each_entry(core, &bus->cores, list) {
+		if (bcma_is_core_needed_early(core->id.id))
+			bcma_register_core(bus, core);
+	}
+
 	/* Try to get SPROM */
 	err = bcma_sprom_get(bus);
 	if (err == -ENOENT) {
@@ -261,6 +332,13 @@ int bcma_bus_register(struct bcma_bus *bus)
 		bcma_core_chipcommon_init(&bus->drv_cc);
 	}
 
+	/* Init CC core */
+	core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B);
+	if (core) {
+		bus->drv_cc_b.core = core;
+		bcma_core_chipcommon_b_init(&bus->drv_cc_b);
+	}
+
 	/* Init MIPS core */
 	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
 	if (core) {
@@ -297,7 +375,7 @@ int bcma_bus_register(struct bcma_bus *bus)
 	}
 
 	/* Register found cores */
-	bcma_register_cores(bus);
+	bcma_register_devices(bus);
 
 	bcma_info(bus, "Bus registered\n");
 
@@ -315,6 +393,8 @@ void bcma_bus_unregister(struct bcma_bus *bus)
 	else if (err)
 		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
 
+	bcma_core_chipcommon_b_free(&bus->drv_cc_b);
+
 	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
 	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
 	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
@@ -334,8 +414,6 @@ int __init bcma_bus_early_register(struct bcma_bus *bus,
 	struct bcma_device *core;
 	struct bcma_device_id match;
 
-	bcma_init_bus(bus);
-
 	match.manuf = BCMA_MANUF_BCM;
 	match.id = bcma_cc_core_id(bus);
 	match.class = BCMA_CL_SIM;
@@ -494,6 +572,11 @@ static int __init bcma_modinit(void)
 	if (err)
 		return err;
 
+	err = bcma_host_soc_register_driver();
+	if (err) {
+		pr_err("SoC host initialization failed\n");
+		err = 0;
+	}
 #ifdef CONFIG_BCMA_HOST_PCI
 	err = bcma_host_pci_init();
 	if (err) {
@@ -511,6 +594,7 @@ static void __exit bcma_modexit(void)
 #ifdef CONFIG_BCMA_HOST_PCI
 	bcma_host_pci_exit();
 #endif
+	bcma_host_soc_unregister_driver();
 	bus_unregister(&bcma_bus_type);
 }
 module_exit(bcma_modexit)
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index b4764c6bcf17..14b56561a36f 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -276,7 +276,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 			      struct bcma_device *core)
 {
 	u32 tmp;
-	u8 i, j;
+	u8 i, j, k;
 	s32 cia, cib;
 	u8 ports[2], wrappers[2];
 
@@ -314,6 +314,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 		/* Some specific cores don't need wrappers */
 		switch (core->id.id) {
 		case BCMA_CORE_4706_MAC_GBIT_COMMON:
+		case BCMA_CORE_NS_CHIPCOMMON_B:
 		/* Not used yet: case BCMA_CORE_OOB_ROUTER: */
 			break;
 		default:
@@ -367,6 +368,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 	core->addr = tmp;
 
 	/* get & parse slave ports */
+	k = 0;
 	for (i = 0; i < ports[1]; i++) {
 		for (j = 0; ; j++) {
 			tmp = bcma_erom_get_addr_desc(bus, eromptr,
@@ -376,9 +378,9 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 				/* pr_debug("erom: slave port %d "
 				 * "has %d descriptors\n", i, j); */
 				break;
-			} else {
-				if (i == 0 && j == 0)
-					core->addr1 = tmp;
+			} else if (k < ARRAY_SIZE(core->addr_s)) {
+				core->addr_s[k] = tmp;
+				k++;
 			}
 		}
 	}
@@ -421,10 +423,13 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 		core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
 		if (!core->io_addr)
 			return -ENOMEM;
-		core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE);
-		if (!core->io_wrap) {
-			iounmap(core->io_addr);
-			return -ENOMEM;
+		if (core->wrap) {
+			core->io_wrap = ioremap_nocache(core->wrap,
+							BCMA_CORE_SIZE);
+			if (!core->io_wrap) {
+				iounmap(core->io_addr);
+				return -ENOMEM;
+			}
 		}
 	}
 	return 0;
@@ -434,9 +439,7 @@ void bcma_init_bus(struct bcma_bus *bus)
 {
 	s32 tmp;
 	struct bcma_chipinfo *chipinfo = &(bus->chipinfo);
-
-	if (bus->init_done)
-		return;
+	char chip_id[8];
 
 	INIT_LIST_HEAD(&bus->cores);
 	bus->nr_cores = 0;
@@ -447,10 +450,11 @@ void bcma_init_bus(struct bcma_bus *bus)
 	chipinfo->id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT;
 	chipinfo->rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT;
 	chipinfo->pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT;
-	bcma_info(bus, "Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n",
-		  chipinfo->id, chipinfo->rev, chipinfo->pkg);
 
-	bus->init_done = true;
+	snprintf(chip_id, ARRAY_SIZE(chip_id),
+		 (chipinfo->id > 0x9999) ? "%d" : "0x%04X", chipinfo->id);
+	bcma_info(bus, "Found chip with id %s, rev 0x%02X and package 0x%02X\n",
+		  chip_id, chipinfo->rev, chipinfo->pkg);
 }
 
 int bcma_bus_scan(struct bcma_bus *bus)
@@ -460,8 +464,6 @@ int bcma_bus_scan(struct bcma_bus *bus)
 
 	int err, core_num = 0;
 
-	bcma_init_bus(bus);
-
 	erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
 	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
 		eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);