--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
-@@ -3,6 +3,7 @@ bcma-y += driver_chipcommon.o driver
+@@ -1,8 +1,10 @@
+ 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
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
+--- a/drivers/bcma/driver_chipcommon.c
++++ b/drivers/bcma/driver_chipcommon.c
+@@ -339,7 +339,7 @@ void bcma_chipco_serial_init(struct bcma
+ return;
+ }
+
+- irq = bcma_core_irq(cc->core);
++ irq = bcma_core_irq(cc->core, 0);
+
+ /* Determine the registers of the UARTs */
+ cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART);
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -603,6 +603,8 @@ void bcma_pmu_spuravoid_pllupdate(struct
case BCMA_CHIP_ID_BCM43428:
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
-@@ -218,7 +218,15 @@ int bcma_gpio_init(struct bcma_drv_cc *c
- #if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
+@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
+ 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);
+@@ -152,7 +152,7 @@ static int bcma_gpio_irq_domain_init(str
+ handle_simple_irq);
+ }
+
+- hwirq = bcma_core_irq(cc->core);
++ hwirq = bcma_core_irq(cc->core, 0);
+ err = request_irq(hwirq, bcma_gpio_irq_handler, IRQF_SHARED, "gpio",
+ cc);
+ if (err)
+@@ -183,7 +183,7 @@ static void bcma_gpio_irq_domain_exit(st
+ return;
+
+ bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
+- free_irq(bcma_core_irq(cc->core), cc);
++ free_irq(bcma_core_irq(cc->core, 0), cc);
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_find_mapping(cc->irq_domain, gpio);
+
+@@ -215,10 +215,22 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ 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
- chip->ngpio = 16;
++#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:
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get
* a random base number. */
+@@ -243,5 +255,6 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ 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;
+ }
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -593,7 +593,7 @@ int bcma_core_pci_plat_dev_init(struct p
+ pr_info("PCI: Fixing up device %s\n", pci_name(dev));
+
+ /* Fix up interrupt lines */
+- dev->irq = bcma_core_irq(pc_host->pdev->core);
++ dev->irq = bcma_core_irq(pc_host->pdev->core, 0);
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+
+ readrq = pcie_get_readrq(dev);
+@@ -617,6 +617,6 @@ int bcma_core_pci_pcibios_map_irq(const
+
+ pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
+ pci_ops);
+- return bcma_core_irq(pc_host->pdev->core);
++ return bcma_core_irq(pc_host->pdev->core, 0);
+ }
+ EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq);
--- /dev/null
+++ b/drivers/bcma/driver_pcie2.c
@@ -0,0 +1,175 @@
+}
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
-@@ -279,6 +279,8 @@ static const struct pci_device_id bcma_p
+@@ -208,6 +208,9 @@ static int bcma_host_pci_probe(struct pc
+ 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)
+@@ -272,14 +275,18 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bc
+ static const struct pci_device_id bcma_pci_bridge_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
+- { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, /* 0xa8d8 */
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
+ { 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, BCM43217 (sic!) */
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
{ 0, },
};
+ MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
-@@ -132,6 +132,7 @@ static int bcma_register_cores(struct bc
+@@ -10,6 +10,8 @@
+ #include <linux/platform_device.h>
+ #include <linux/bcma/bcma.h>
+ #include <linux/slab.h>
++#include <linux/of_address.h>
++#include <linux/of_irq.h>
+
+ MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
+ MODULE_LICENSE("GPL");
+@@ -120,56 +122,195 @@ static void bcma_release_core_dev(struct
+ 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;
++}
++
++#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS)
++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 int bcma_of_irq_parse(struct platform_device *parent,
++ struct bcma_device *core,
++ struct of_phandle_args *out_irq, int num)
++{
++ __be32 laddr[1];
++ int rc;
++
++ if (core->dev.of_node) {
++ rc = of_irq_parse_one(core->dev.of_node, num, out_irq);
++ if (!rc)
++ return rc;
++ }
++
++ out_irq->np = parent->dev.of_node;
++ out_irq->args_count = 1;
++ out_irq->args[0] = num;
++
++ laddr[0] = cpu_to_be32(core->addr);
++ return of_irq_parse_raw(laddr, out_irq);
++}
++
++static unsigned int bcma_of_get_irq(struct platform_device *parent,
++ struct bcma_device *core, int num)
++{
++ struct of_phandle_args out_irq;
++ int ret;
++
++ if (!parent || !parent->dev.of_node)
++ return 0;
++
++ ret = bcma_of_irq_parse(parent, core, &out_irq, num);
++ if (ret) {
++ bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n",
++ ret);
++ return 0;
++ }
++
++ return irq_create_of_mapping(&out_irq);
++}
++
++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;
++
++ core->irq = bcma_of_get_irq(parent, core, 0);
++}
++#else
++static void bcma_of_fill_device(struct platform_device *parent,
++ struct bcma_device *core)
++{
++}
++static inline unsigned int bcma_of_get_irq(struct platform_device *parent,
++ struct bcma_device *core, int num)
++{
++ return 0;
++}
++#endif /* CONFIG_OF */
++
++unsigned int bcma_core_irq(struct bcma_device *core, int num)
++{
++ struct bcma_bus *bus = core->bus;
++ unsigned int mips_irq;
++
++ switch (bus->hosttype) {
++ case BCMA_HOSTTYPE_PCI:
++ return bus->host_pci->irq;
++ case BCMA_HOSTTYPE_SOC:
++ if (bus->drv_mips.core && num == 0) {
++ mips_irq = bcma_core_mips_irq(core);
++ return mips_irq <= 4 ? mips_irq + 2 : 0;
++ }
++ if (bus->host_pdev)
++ return bcma_of_get_irq(bus->host_pdev, core, num);
++ return 0;
++ case BCMA_HOSTTYPE_SDIO:
++ return 0;
++ }
++
++ return 0;
++}
++EXPORT_SYMBOL(bcma_core_irq);
++
++void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
++{
++ 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;
++ }
++}
++
++static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
++{
++ int err;
++
++ 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:
case BCMA_CORE_MIPS_74K:
case BCMA_CORE_4706_MAC_GBIT_COMMON:
continue;
-@@ -281,6 +282,13 @@ int bcma_bus_register(struct bcma_bus *b
+ }
+
++ /* 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
+@@ -246,6 +387,12 @@ int bcma_bus_register(struct bcma_bus *b
+ 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) {
+@@ -260,6 +407,13 @@ int bcma_bus_register(struct bcma_bus *b
+ 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) {
+@@ -281,6 +435,13 @@ int bcma_bus_register(struct bcma_bus *b
bcma_core_pci_init(&bus->drv_pci[1]);
}
/* Init GBIT MAC COMMON core */
core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
if (core) {
+@@ -289,7 +450,7 @@ int bcma_bus_register(struct bcma_bus *b
+ }
+
+ /* Register found cores */
+- bcma_register_cores(bus);
++ bcma_register_devices(bus);
+
+ bcma_info(bus, "Bus registered\n");
+
+@@ -307,6 +468,8 @@ void bcma_bus_unregister(struct bcma_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);
+@@ -326,8 +489,6 @@ int __init bcma_bus_early_register(struc
+ 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;
+@@ -486,6 +647,11 @@ 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) {
+@@ -503,6 +669,7 @@ 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)
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -201,6 +201,23 @@ static int bcma_sprom_valid(struct bcma_
#include <linux/bcma/bcma_driver_mips.h>
#include <linux/bcma/bcma_driver_gmac_cmn.h>
#include <linux/ssb/ssb.h> /* SPROM sharing */
+@@ -72,17 +73,17 @@ struct bcma_host_ops {
+ /* Core-ID values. */
+ #define BCMA_CORE_OOB_ROUTER 0x367 /* Out of band */
+ #define BCMA_CORE_4706_CHIPCOMMON 0x500
+-#define BCMA_CORE_PCIEG2 0x501
+-#define BCMA_CORE_DMA 0x502
+-#define BCMA_CORE_SDIO3 0x503
+-#define BCMA_CORE_USB20 0x504
+-#define BCMA_CORE_USB30 0x505
+-#define BCMA_CORE_A9JTAG 0x506
+-#define BCMA_CORE_DDR23 0x507
+-#define BCMA_CORE_ROM 0x508
+-#define BCMA_CORE_NAND 0x509
+-#define BCMA_CORE_QSPI 0x50A
+-#define BCMA_CORE_CHIPCOMMON_B 0x50B
++#define BCMA_CORE_NS_PCIEG2 0x501
++#define BCMA_CORE_NS_DMA 0x502
++#define BCMA_CORE_NS_SDIO3 0x503
++#define BCMA_CORE_NS_USB20 0x504
++#define BCMA_CORE_NS_USB30 0x505
++#define BCMA_CORE_NS_A9JTAG 0x506
++#define BCMA_CORE_NS_DDR23 0x507
++#define BCMA_CORE_NS_ROM 0x508
++#define BCMA_CORE_NS_NAND 0x509
++#define BCMA_CORE_NS_QSPI 0x50A
++#define BCMA_CORE_NS_CHIPCOMMON_B 0x50B
+ #define BCMA_CORE_4706_SOC_RAM 0x50E
+ #define BCMA_CORE_ARMCA9 0x510
+ #define BCMA_CORE_4706_MAC_GBIT 0x52D
@@ -157,6 +158,9 @@ struct bcma_host_ops {
/* Chip IDs of PCIe devices */
#define BCMA_CHIP_ID_BCM4313 0x4313
#define BCMA_CHIP_ID_BCM43224 43224
#define BCMA_PKG_ID_BCM43224_FAB_CSM 0x8
#define BCMA_PKG_ID_BCM43224_FAB_SMIC 0xa
-@@ -333,6 +337,7 @@ struct bcma_bus {
+@@ -263,7 +267,7 @@ struct bcma_device {
+ u8 core_unit;
+
+ u32 addr;
+- u32 addr1;
++ u32 addr_s[8];
+ u32 wrap;
+
+ void __iomem *io_addr;
+@@ -319,6 +323,8 @@ struct bcma_bus {
+ struct pci_dev *host_pci;
+ /* Pointer to the SDIO device (only for BCMA_HOSTTYPE_SDIO) */
+ struct sdio_func *host_sdio;
++ /* Pointer to platform device (only for BCMA_HOSTTYPE_SOC) */
++ struct platform_device *host_pdev;
+ };
+
+ struct bcma_chipinfo chipinfo;
+@@ -328,11 +334,12 @@ struct bcma_bus {
+ struct bcma_device *mapped_core;
+ struct list_head cores;
+ u8 nr_cores;
+- u8 init_done:1;
+ u8 num;
struct bcma_drv_cc drv_cc;
++ struct bcma_drv_cc_b drv_cc_b;
struct bcma_drv_pci drv_pci[2];
+ struct bcma_drv_pcie2 drv_pcie2;
struct bcma_drv_mips drv_mips;
struct bcma_drv_gmac_cmn drv_gmac_cmn;
+@@ -440,4 +447,6 @@ extern u32 bcma_chipco_pll_read(struct b
+ #define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */
+ extern u32 bcma_core_dma_translation(struct bcma_device *core);
+
++extern unsigned int bcma_core_irq(struct bcma_device *core, int num);
++
+ #endif /* LINUX_BCMA_H_ */
+--- a/include/linux/bcma/bcma_driver_mips.h
++++ b/include/linux/bcma/bcma_driver_mips.h
+@@ -43,12 +43,12 @@ struct bcma_drv_mips {
+ extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
+ extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
+
+-extern unsigned int bcma_core_irq(struct bcma_device *core);
++extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+ #else
+ static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
+ static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
+
+-static inline unsigned int bcma_core_irq(struct bcma_device *core)
++static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+ {
+ return 0;
+ }
--- /dev/null
+++ b/include/linux/bcma/bcma_driver_pcie2.h
@@ -0,0 +1,158 @@
+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
+
+#endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */
+--- a/drivers/bcma/scan.c
++++ b/drivers/bcma/scan.c
+@@ -32,17 +32,17 @@ static const struct bcma_device_id_name
+ { BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" },
+ { BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" },
+ { BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" },
+- { BCMA_CORE_PCIEG2, "PCIe Gen 2" },
+- { BCMA_CORE_DMA, "DMA" },
+- { BCMA_CORE_SDIO3, "SDIO3" },
+- { BCMA_CORE_USB20, "USB 2.0" },
+- { BCMA_CORE_USB30, "USB 3.0" },
+- { BCMA_CORE_A9JTAG, "ARM Cortex A9 JTAG" },
+- { BCMA_CORE_DDR23, "Denali DDR2/DDR3 memory controller" },
+- { BCMA_CORE_ROM, "ROM" },
+- { BCMA_CORE_NAND, "NAND flash controller" },
+- { BCMA_CORE_QSPI, "SPI flash controller" },
+- { BCMA_CORE_CHIPCOMMON_B, "Chipcommon B" },
++ { BCMA_CORE_NS_PCIEG2, "PCIe Gen 2" },
++ { BCMA_CORE_NS_DMA, "DMA" },
++ { BCMA_CORE_NS_SDIO3, "SDIO3" },
++ { BCMA_CORE_NS_USB20, "USB 2.0" },
++ { BCMA_CORE_NS_USB30, "USB 3.0" },
++ { BCMA_CORE_NS_A9JTAG, "ARM Cortex A9 JTAG" },
++ { BCMA_CORE_NS_DDR23, "Denali DDR2/DDR3 memory controller" },
++ { BCMA_CORE_NS_ROM, "ROM" },
++ { BCMA_CORE_NS_NAND, "NAND flash controller" },
++ { BCMA_CORE_NS_QSPI, "SPI flash controller" },
++ { BCMA_CORE_NS_CHIPCOMMON_B, "Chipcommon B" },
+ { BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" },
+ { BCMA_CORE_AMEMC, "AMEMC (DDR)" },
+ { BCMA_CORE_ALTA, "ALTA (I2S)" },
+@@ -276,7 +276,7 @@ static int bcma_get_next_core(struct bcm
+ 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 bcm
+ /* 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 bcm
+ 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 bcm
+ /* 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 bcm
+ 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);
+@@ -503,6 +505,7 @@ int bcma_bus_scan(struct bcma_bus *bus)
+ bus->nr_cores++;
+ other_core = bcma_find_core_reverse(bus, core->id.id);
+ core->core_unit = (other_core == NULL) ? 0 : other_core->core_unit + 1;
++ bcma_prepare_core(bus, core);
+
+ bcma_info(bus, "Core %d found: %s (manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n",
+ core->core_index, bcma_device_name(&core->id),
+--- 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(st
+
+ 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_h
+ 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
+ /* 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 */
+--- 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 = {
+@@ -107,7 +115,7 @@ static u32 bcma_core_mips_irqflag(struct
+ * If disabled, 5 is returned.
+ * If not supported, 6 is returned.
+ */
+-static unsigned int bcma_core_mips_irq(struct bcma_device *dev)
++unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+ {
+ struct bcma_device *mdev = dev->bus->drv_mips.core;
+ u32 irqflag;
+@@ -125,13 +133,6 @@ static unsigned int bcma_core_mips_irq(s
+ return 5;
+ }
+
+-unsigned int bcma_core_irq(struct bcma_device *dev)
+-{
+- unsigned int mips_irq = bcma_core_mips_irq(dev);
+- return mips_irq <= 4 ? mips_irq + 2 : 0;
+-}
+-EXPORT_SYMBOL(bcma_core_irq);
+-
+ static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
+ {
+ unsigned int oldirq = bcma_core_mips_irq(dev);
+@@ -229,11 +230,51 @@ u32 bcma_cpu_clock(struct bcma_drv_mips
+ }
+ 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 +310,20 @@ static void bcma_core_mips_flash_detect(
+ 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)
+@@ -361,7 +416,7 @@ void bcma_core_mips_init(struct bcma_drv
+ break;
+ default:
+ list_for_each_entry(core, &bus->cores, list) {
+- core->irq = bcma_core_irq(core);
++ core->irq = bcma_core_irq(core, 0);
+ }
+ bcma_err(bus,
+ "Unknown device (0x%x) found, can not configure IRQs\n",
+--- a/include/linux/bcma/bcma_regs.h
++++ b/include/linux/bcma/bcma_regs.h
+@@ -39,6 +39,11 @@
+ #define BCMA_RESET_CTL_RESET 0x0001
+ #define BCMA_RESET_ST 0x0804
+
++#define BCMA_NS_ROM_IOST_BOOT_DEV_MASK 0x0003
++#define BCMA_NS_ROM_IOST_BOOT_DEV_NOR 0x0000
++#define BCMA_NS_ROM_IOST_BOOT_DEV_NAND 0x0001
++#define BCMA_NS_ROM_IOST_BOOT_DEV_ROM 0x0002
++
+ /* BCMA PCI config space registers. */
+ #define BCMA_PCI_PMCSR 0x44
+ #define BCMA_PCI_PE 0x100
+--- a/drivers/usb/host/bcma-hcd.c
++++ b/drivers/usb/host/bcma-hcd.c
+@@ -237,7 +237,7 @@ static int bcma_hcd_probe(struct bcma_de
+ bcma_hcd_init_chip(dev);
+
+ /* In AI chips EHCI is addrspace 0, OHCI is 1 */
+- ohci_addr = dev->addr1;
++ ohci_addr = dev->addr_s[0];
+ if ((chipinfo->id == 0x5357 || chipinfo->id == 0x4749)
+ && chipinfo->rev == 0)
+ ohci_addr = 0x18009000;
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -24,6 +24,7 @@ struct bcma_bus;
+ /* main.c */
+ bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+ int timeout);
++void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
+ int bcma_bus_register(struct bcma_bus *bus);
+ void bcma_bus_unregister(struct bcma_bus *bus);
+ int __init bcma_bus_early_register(struct bcma_bus *bus,
+@@ -50,6 +51,10 @@ void bcma_chipco_serial_init(struct bcma
+ 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 +89,20 @@ extern int __init bcma_host_pci_init(voi
+ 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);
+
+--- /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);
++}
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -644,6 +644,12 @@ struct bcma_drv_cc {
+ #endif
+ };
+
++struct bcma_drv_cc_b {
++ struct bcma_device *core;
++ u8 setup_done:1;
++ void __iomem *mii;
++};
++
+ /* Register access */
+ #define bcma_cc_read32(cc, offset) \
+ bcma_read32((cc)->core, offset)
+@@ -699,4 +705,6 @@ extern void bcma_pmu_spuravoid_pllupdate
+
+ extern u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc);
+
++void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value);
++
+ #endif /* LINUX_BCMA_DRIVER_CC_H_ */
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -202,6 +202,10 @@ static void __init bcm47xx_register_bcma
+
+ err = bcma_host_soc_register(&bcm47xx_bus.bcma);
+ if (err)
++ panic("Failed to register BCMA bus (err %d)", err);
++
++ err = bcma_host_soc_init(&bcm47xx_bus.bcma);
++ if (err)
+ panic("Failed to initialize BCMA bus (err %d)", err);
+
+ bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
+--- a/include/linux/bcma/bcma_soc.h
++++ b/include/linux/bcma/bcma_soc.h
+@@ -10,6 +10,7 @@ struct bcma_soc {
+ };
+
+ int __init bcma_host_soc_register(struct bcma_soc *soc);
++int __init bcma_host_soc_init(struct bcma_soc *soc);
+
+ int bcma_bus_register(struct bcma_bus *bus);
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/bus/bcma.txt
+@@ -0,0 +1,53 @@
++Driver for ARM AXI Bus with Broadcom Plugins (bcma)
++
++Required properties:
++
++- compatible : brcm,bus-axi
++
++- reg : iomem address range of chipcommon core
++
++The cores on the AXI bus are automatically detected by bcma with the
++memory ranges they are using and they get registered afterwards.
++Automatic detection of the IRQ number is not working on
++BCM47xx/BCM53xx ARM SoCs. To assign IRQ numbers to the cores, provide
++them manually through device tree. Use an interrupt-map to specify the
++IRQ used by the devices on the bus. The first address is just an index,
++because we do not have any special register.
++
++The top-level axi bus may contain children representing attached cores
++(devices). This is needed since some hardware details can't be auto
++detected (e.g. IRQ numbers). Also some of the cores may be responsible
++for extra things, e.g. ChipCommon providing access to the GPIO chip.
++
++Example:
++
++ axi@18000000 {
++ compatible = "brcm,bus-axi";
++ reg = <0x18000000 0x1000>;
++ ranges = <0x00000000 0x18000000 0x00100000>;
++ #address-cells = <1>;
++ #size-cells = <1>;
++ #interrupt-cells = <1>;
++ interrupt-map-mask = <0x000fffff 0xffff>;
++ interrupt-map =
++ /* Ethernet Controller 0 */
++ <0x00024000 0 &gic GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
++
++ /* Ethernet Controller 1 */
++ <0x00025000 0 &gic GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
++
++ /* PCIe Controller 0 */
++ <0x00012000 0 &gic GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
++ <0x00012000 1 &gic GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>,
++ <0x00012000 2 &gic GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
++ <0x00012000 3 &gic GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
++ <0x00012000 4 &gic GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
++ <0x00012000 5 &gic GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
++
++ chipcommon {
++ reg = <0x00000000 0x1000>;
++
++ gpio-controller;
++ #gpio-cells = <2>;
++ };
++ };