--- /dev/null
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -41,6 +41,7 @@ int __init bcma_bus_scan_early(struct bc
+ struct bcma_device_id *match,
+ struct bcma_device *core);
+ void bcma_init_bus(struct bcma_bus *bus);
++void bcma_unregister_cores(struct bcma_bus *bus);
+
+ /* sprom.c */
+ int bcma_sprom_get(struct bcma_bus *bus);
+@@ -105,6 +106,11 @@ static inline void __exit bcma_host_soc_
+
+ /* driver_pci.c */
+ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
++void bcma_core_pci_up(struct bcma_drv_pci *pc);
++void bcma_core_pci_down(struct bcma_drv_pci *pc);
++
++/* driver_pcie2.c */
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
+
+ extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
+
+--- a/drivers/bcma/driver_gpio.c
++++ b/drivers/bcma/driver_gpio.c
+@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
+ }
+
+-#if IS_BUILTIN(CONFIG_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+ {
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+@@ -215,7 +215,7 @@ 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_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ chip->to_irq = bcma_gpio_to_irq;
+ #endif
+ #if IS_BUILTIN(CONFIG_OF)
+--- a/drivers/bcma/driver_pci.c
++++ b/drivers/bcma/driver_pci.c
+@@ -262,21 +262,21 @@ void bcma_core_pci_power_save(struct bcm
+ }
+ EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
+-int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
++int bcma_core_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
+ bool enable)
+ {
+ struct pci_dev *pdev;
+ u32 coremask, tmp;
+ int err = 0;
+
+- if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ /* This bcma device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
+
+- pdev = pc->core->bus->host_pci;
++ pdev = bus->host_pci;
+
+ err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+ if (err)
+@@ -308,28 +308,12 @@ static void bcma_core_pci_extend_L1timer
+ bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+ }
+
+-void bcma_core_pci_up(struct bcma_bus *bus)
++void bcma_core_pci_up(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, true);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_up);
+
+-void bcma_core_pci_down(struct bcma_bus *bus)
++void bcma_core_pci_down(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, false);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_down);
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -11,6 +11,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/pci.h>
++#include <linux/slab.h>
+ #include <linux/export.h>
+ #include <linux/bcma/bcma.h>
+ #include <asm/paccess.h>
+--- a/drivers/bcma/driver_pcie2.c
++++ b/drivers/bcma/driver_pcie2.c
+@@ -10,6 +10,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/bcma/bcma.h>
++#include <linux/pci.h>
+
+ /**************************************************
+ * R/W ops.
+@@ -156,14 +157,23 @@ static void pciedev_reg_pm_clk_period(st
+
+ void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+ {
+- struct bcma_chipinfo *ci = &pcie2->core->bus->chipinfo;
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct bcma_chipinfo *ci = &bus->chipinfo;
+ u32 tmp;
+
+ tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54));
+ if ((tmp & 0xe) >> 1 == 2)
+ bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17);
+
+- /* TODO: Do we need pcie_reqsize? */
++ switch (bus->chipinfo.id) {
++ case BCMA_CHIP_ID_BCM4360:
++ case BCMA_CHIP_ID_BCM4352:
++ pcie2->reqsize = 1024;
++ break;
++ default:
++ pcie2->reqsize = 128;
++ break;
++ }
+
+ if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
+ bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
+@@ -173,3 +183,18 @@ void bcma_core_pcie2_init(struct bcma_dr
+ pciedev_crwlpciegen2_180(pcie2);
+ pciedev_crwlpciegen2_182(pcie2);
+ }
++
++/**************************************************
++ * Runtime ops.
++ **************************************************/
++
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2)
++{
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct pci_dev *dev = bus->host_pci;
++ int err;
++
++ err = pcie_set_readrq(dev, pcie2->reqsize);
++ if (err)
++ bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err);
++}
+--- a/drivers/bcma/host_pci.c
++++ b/drivers/bcma/host_pci.c
+@@ -211,16 +211,26 @@ static int bcma_host_pci_probe(struct pc
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
++ /* Scan bus to find out generation of PCIe core */
++ err = bcma_bus_scan(bus);
++ if (err)
++ goto err_pci_unmap_mmio;
++
++ if (bcma_find_core(bus, BCMA_CORE_PCIE2))
++ bus->host_is_pcie2 = true;
++
+ /* Register */
+ err = bcma_bus_register(bus);
+ if (err)
+- goto err_pci_unmap_mmio;
++ goto err_unregister_cores;
+
+ pci_set_drvdata(dev, bus);
+
+ out:
+ return err;
+
++err_unregister_cores:
++ bcma_unregister_cores(bus);
+ err_pci_unmap_mmio:
+ pci_iounmap(dev, bus->mmio);
+ err_pci_release_regions:
+@@ -281,9 +291,12 @@ static const struct pci_device_id bcma_p
+ { 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, 0x4360) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
+ { 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 */
+@@ -308,3 +321,31 @@ void __exit bcma_host_pci_exit(void)
+ {
+ pci_unregister_driver(&bcma_pci_bridge_driver);
+ }
++
++/**************************************************
++ * Runtime ops for drivers.
++ **************************************************/
++
++/* See also pcicore_up */
++void bcma_host_pci_up(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (bus->host_is_pcie2)
++ bcma_core_pcie2_up(&bus->drv_pcie2);
++ else
++ bcma_core_pci_up(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_up);
++
++/* See also pcicore_down */
++void bcma_host_pci_down(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (!bus->host_is_pcie2)
++ bcma_core_pci_down(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_down);
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -288,7 +288,7 @@ static int bcma_register_devices(struct
+ return 0;
+ }
+
+-static void bcma_unregister_cores(struct bcma_bus *bus)
++void bcma_unregister_cores(struct bcma_bus *bus)
+ {
+ struct bcma_device *core, *tmp;
+
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -4770,7 +4770,7 @@ static void b43_wireless_core_exit(struc
+ switch (dev->dev->bus_type) {
+ #ifdef CPTCFG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_down(dev->dev->bdev->bus);
++ bcma_host_pci_down(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CPTCFG_B43_SSB
+@@ -4817,9 +4817,9 @@ static int b43_wireless_core_init(struct
+ switch (dev->dev->bus_type) {
+ #ifdef CPTCFG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
++ bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
+ dev->dev->bdev, true);
+- bcma_core_pci_up(dev->dev->bdev->bus);
++ bcma_host_pci_up(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CPTCFG_B43_SSB
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -4669,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c
+ brcms_c_coredisable(wlc_hw);
+
+ /* Match driver "down" state */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+
+ /* turn off pll and xtal to match driver "down" state */
+ brcms_b_xtal(wlc_hw, OFF);
+@@ -4960,7 +4960,7 @@ static int brcms_b_up_prep(struct brcms_
+ * Configure pci/pcmcia here instead of in brcms_c_attach()
+ * to allow mfg hotswap: down, hotswap (chip power cycle), up.
+ */
+- bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
++ bcma_core_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
+ true);
+
+ /*
+@@ -4970,12 +4970,12 @@ static int brcms_b_up_prep(struct brcms_
+ */
+ if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
+ /* put SB PCI in down state again */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ return -ENOMEDIUM;
+ }
+
+- bcma_core_pci_up(wlc_hw->d11core->bus);
++ bcma_host_pci_up(wlc_hw->d11core->bus);
+
+ /* reset the d11 core */
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
+@@ -5172,7 +5172,7 @@ static int brcms_b_down_finish(struct br
+
+ /* turn off primary xtal and pll */
+ if (!wlc_hw->noreset) {
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ }
+ }
--- /dev/null
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -26,6 +26,7 @@ bool bcma_wait_value(struct bcma_device
+ int timeout);
+ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
+ void bcma_init_bus(struct bcma_bus *bus);
++void bcma_unregister_cores(struct bcma_bus *bus);
+ 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);
+@@ -101,6 +102,11 @@ static inline void __exit bcma_host_soc_
+
+ /* driver_pci.c */
+ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
++void bcma_core_pci_up(struct bcma_drv_pci *pc);
++void bcma_core_pci_down(struct bcma_drv_pci *pc);
++
++/* driver_pcie2.c */
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
+
+ extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
+
+--- a/drivers/bcma/driver_gpio.c
++++ b/drivers/bcma/driver_gpio.c
+@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
+ }
+
+-#if IS_BUILTIN(CONFIG_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+ {
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+@@ -215,7 +215,7 @@ 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_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ chip->to_irq = bcma_gpio_to_irq;
+ #endif
+ #if IS_BUILTIN(CONFIG_OF)
+--- a/drivers/bcma/driver_pci.c
++++ b/drivers/bcma/driver_pci.c
+@@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
+ }
+ EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
+-int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
++int bcma_core_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
+ bool enable)
+ {
+ struct pci_dev *pdev;
+ u32 coremask, tmp;
+ int err = 0;
+
+- if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ /* This bcma device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
+
+- pdev = pc->core->bus->host_pci;
++ pdev = bus->host_pci;
+
+ err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+ if (err)
+@@ -328,28 +328,12 @@ static void bcma_core_pci_extend_L1timer
+ bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+ }
+
+-void bcma_core_pci_up(struct bcma_bus *bus)
++void bcma_core_pci_up(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, true);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_up);
+
+-void bcma_core_pci_down(struct bcma_bus *bus)
++void bcma_core_pci_down(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, false);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_down);
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -11,6 +11,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/pci.h>
++#include <linux/slab.h>
+ #include <linux/export.h>
+ #include <linux/bcma/bcma.h>
+ #include <asm/paccess.h>
+--- a/drivers/bcma/driver_pcie2.c
++++ b/drivers/bcma/driver_pcie2.c
+@@ -10,6 +10,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/bcma/bcma.h>
++#include <linux/pci.h>
+
+ /**************************************************
+ * R/W ops.
+@@ -156,14 +157,23 @@ static void pciedev_reg_pm_clk_period(st
+
+ void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+ {
+- struct bcma_chipinfo *ci = &pcie2->core->bus->chipinfo;
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct bcma_chipinfo *ci = &bus->chipinfo;
+ u32 tmp;
+
+ tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54));
+ if ((tmp & 0xe) >> 1 == 2)
+ bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17);
+
+- /* TODO: Do we need pcie_reqsize? */
++ switch (bus->chipinfo.id) {
++ case BCMA_CHIP_ID_BCM4360:
++ case BCMA_CHIP_ID_BCM4352:
++ pcie2->reqsize = 1024;
++ break;
++ default:
++ pcie2->reqsize = 128;
++ break;
++ }
+
+ if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
+ bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
+@@ -173,3 +183,18 @@ void bcma_core_pcie2_init(struct bcma_dr
+ pciedev_crwlpciegen2_180(pcie2);
+ pciedev_crwlpciegen2_182(pcie2);
+ }
++
++/**************************************************
++ * Runtime ops.
++ **************************************************/
++
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2)
++{
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct pci_dev *dev = bus->host_pci;
++ int err;
++
++ err = pcie_set_readrq(dev, pcie2->reqsize);
++ if (err)
++ bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err);
++}
+--- a/drivers/bcma/host_pci.c
++++ b/drivers/bcma/host_pci.c
+@@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pc
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
++ /* Scan bus to find out generation of PCIe core */
++ err = bcma_bus_scan(bus);
++ if (err)
++ goto err_pci_unmap_mmio;
++
++ if (bcma_find_core(bus, BCMA_CORE_PCIE2))
++ bus->host_is_pcie2 = true;
++
+ /* Register */
+ err = bcma_bus_register(bus);
+ if (err)
+- goto err_pci_unmap_mmio;
++ goto err_unregister_cores;
+
+ pci_set_drvdata(dev, bus);
+
+ out:
+ return err;
+
++err_unregister_cores:
++ bcma_unregister_cores(bus);
+ err_pci_unmap_mmio:
+ pci_iounmap(dev, bus->mmio);
+ err_pci_release_regions:
+@@ -283,9 +293,12 @@ static const struct pci_device_id bcma_p
+ { 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, 0x4360) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
+ { 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 */
+@@ -310,3 +323,31 @@ void __exit bcma_host_pci_exit(void)
+ {
+ pci_unregister_driver(&bcma_pci_bridge_driver);
+ }
++
++/**************************************************
++ * Runtime ops for drivers.
++ **************************************************/
++
++/* See also pcicore_up */
++void bcma_host_pci_up(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (bus->host_is_pcie2)
++ bcma_core_pcie2_up(&bus->drv_pcie2);
++ else
++ bcma_core_pci_up(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_up);
++
++/* See also pcicore_down */
++void bcma_host_pci_down(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (!bus->host_is_pcie2)
++ bcma_core_pci_down(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_down);
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -363,7 +363,7 @@ static int bcma_register_devices(struct
+ return 0;
+ }
+
+-static void bcma_unregister_cores(struct bcma_bus *bus)
++void bcma_unregister_cores(struct bcma_bus *bus)
+ {
+ struct bcma_device *core, *tmp;
+
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -4650,7 +4650,7 @@ static void b43_wireless_core_exit(struc
+ switch (dev->dev->bus_type) {
+ #ifdef CONFIG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_down(dev->dev->bdev->bus);
++ bcma_host_pci_down(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CONFIG_B43_SSB
+@@ -4697,9 +4697,9 @@ static int b43_wireless_core_init(struct
+ switch (dev->dev->bus_type) {
+ #ifdef CONFIG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
++ bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
+ dev->dev->bdev, true);
+- bcma_core_pci_up(dev->dev->bdev->bus);
++ bcma_host_pci_up(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CONFIG_B43_SSB
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -4669,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c
+ brcms_c_coredisable(wlc_hw);
+
+ /* Match driver "down" state */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+
+ /* turn off pll and xtal to match driver "down" state */
+ brcms_b_xtal(wlc_hw, OFF);
+@@ -5002,7 +5002,7 @@ static int brcms_b_up_prep(struct brcms_
+ * Configure pci/pcmcia here instead of in brcms_c_attach()
+ * to allow mfg hotswap: down, hotswap (chip power cycle), up.
+ */
+- bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
++ bcma_core_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
+ true);
+
+ /*
+@@ -5012,12 +5012,12 @@ static int brcms_b_up_prep(struct brcms_
+ */
+ if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
+ /* put SB PCI in down state again */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ return -ENOMEDIUM;
+ }
+
+- bcma_core_pci_up(wlc_hw->d11core->bus);
++ bcma_host_pci_up(wlc_hw->d11core->bus);
+
+ /* reset the d11 core */
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
+@@ -5214,7 +5214,7 @@ static int brcms_b_down_finish(struct br
+
+ /* turn off primary xtal and pll */
+ if (!wlc_hw->noreset) {
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ }
+ }
+--- a/include/linux/bcma/bcma.h
++++ b/include/linux/bcma/bcma.h
+@@ -434,6 +434,9 @@ static inline struct bcma_device *bcma_f
+ return bcma_find_core_unit(bus, coreid, 0);
+ }
+
++extern void bcma_host_pci_up(struct bcma_bus *bus);
++extern void bcma_host_pci_down(struct bcma_bus *bus);
++
+ extern bool bcma_core_is_enabled(struct bcma_device *core);
+ extern void bcma_core_disable(struct bcma_device *core, u32 flags);
+ extern int bcma_core_enable(struct bcma_device *core, u32 flags);
+--- a/include/linux/bcma/bcma_driver_pci.h
++++ b/include/linux/bcma/bcma_driver_pci.h
+@@ -240,10 +240,8 @@ struct bcma_drv_pci {
+
+ extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
+ extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
+-extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
++extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
+ struct bcma_device *core, bool enable);
+-extern void bcma_core_pci_up(struct bcma_bus *bus);
+-extern void bcma_core_pci_down(struct bcma_bus *bus);
+ extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
+
+ extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
+--- a/include/linux/bcma/bcma_driver_pcie2.h
++++ b/include/linux/bcma/bcma_driver_pcie2.h
+@@ -143,6 +143,8 @@
+
+ struct bcma_drv_pcie2 {
+ struct bcma_device *core;
++
++ u16 reqsize;
+ };
+
+ #define pcie2_read16(pcie2, offset) bcma_read16((pcie2)->core, offset)
--- /dev/null
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -26,6 +26,7 @@ bool bcma_wait_value(struct bcma_device
+ int timeout);
+ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
+ void bcma_init_bus(struct bcma_bus *bus);
++void bcma_unregister_cores(struct bcma_bus *bus);
+ 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);
+@@ -101,6 +102,11 @@ static inline void __exit bcma_host_soc_
+
+ /* driver_pci.c */
+ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
++void bcma_core_pci_up(struct bcma_drv_pci *pc);
++void bcma_core_pci_down(struct bcma_drv_pci *pc);
++
++/* driver_pcie2.c */
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
+
+ extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
+
+--- a/drivers/bcma/driver_gpio.c
++++ b/drivers/bcma/driver_gpio.c
+@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
+ }
+
+-#if IS_BUILTIN(CONFIG_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+ {
+ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
+@@ -215,7 +215,7 @@ 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_BCM47XX)
++#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+ chip->to_irq = bcma_gpio_to_irq;
+ #endif
+ #if IS_BUILTIN(CONFIG_OF)
+--- a/drivers/bcma/driver_pci.c
++++ b/drivers/bcma/driver_pci.c
+@@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
+ }
+ EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
+-int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
++int bcma_core_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
+ bool enable)
+ {
+ struct pci_dev *pdev;
+ u32 coremask, tmp;
+ int err = 0;
+
+- if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ /* This bcma device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
+
+- pdev = pc->core->bus->host_pci;
++ pdev = bus->host_pci;
+
+ err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+ if (err)
+@@ -328,28 +328,12 @@ static void bcma_core_pci_extend_L1timer
+ bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+ }
+
+-void bcma_core_pci_up(struct bcma_bus *bus)
++void bcma_core_pci_up(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, true);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_up);
+
+-void bcma_core_pci_down(struct bcma_bus *bus)
++void bcma_core_pci_down(struct bcma_drv_pci *pc)
+ {
+- struct bcma_drv_pci *pc;
+-
+- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+- return;
+-
+- pc = &bus->drv_pci[0];
+-
+ bcma_core_pci_extend_L1timer(pc, false);
+ }
+-EXPORT_SYMBOL_GPL(bcma_core_pci_down);
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -11,6 +11,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/pci.h>
++#include <linux/slab.h>
+ #include <linux/export.h>
+ #include <linux/bcma/bcma.h>
+ #include <asm/paccess.h>
+--- a/drivers/bcma/driver_pcie2.c
++++ b/drivers/bcma/driver_pcie2.c
+@@ -10,6 +10,7 @@
+
+ #include "bcma_private.h"
+ #include <linux/bcma/bcma.h>
++#include <linux/pci.h>
+
+ /**************************************************
+ * R/W ops.
+@@ -156,14 +157,23 @@ static void pciedev_reg_pm_clk_period(st
+
+ void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+ {
+- struct bcma_chipinfo *ci = &pcie2->core->bus->chipinfo;
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct bcma_chipinfo *ci = &bus->chipinfo;
+ u32 tmp;
+
+ tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54));
+ if ((tmp & 0xe) >> 1 == 2)
+ bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17);
+
+- /* TODO: Do we need pcie_reqsize? */
++ switch (bus->chipinfo.id) {
++ case BCMA_CHIP_ID_BCM4360:
++ case BCMA_CHIP_ID_BCM4352:
++ pcie2->reqsize = 1024;
++ break;
++ default:
++ pcie2->reqsize = 128;
++ break;
++ }
+
+ if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
+ bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
+@@ -173,3 +183,18 @@ void bcma_core_pcie2_init(struct bcma_dr
+ pciedev_crwlpciegen2_180(pcie2);
+ pciedev_crwlpciegen2_182(pcie2);
+ }
++
++/**************************************************
++ * Runtime ops.
++ **************************************************/
++
++void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2)
++{
++ struct bcma_bus *bus = pcie2->core->bus;
++ struct pci_dev *dev = bus->host_pci;
++ int err;
++
++ err = pcie_set_readrq(dev, pcie2->reqsize);
++ if (err)
++ bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err);
++}
+--- a/drivers/bcma/host_pci.c
++++ b/drivers/bcma/host_pci.c
+@@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pc
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
++ /* Scan bus to find out generation of PCIe core */
++ err = bcma_bus_scan(bus);
++ if (err)
++ goto err_pci_unmap_mmio;
++
++ if (bcma_find_core(bus, BCMA_CORE_PCIE2))
++ bus->host_is_pcie2 = true;
++
+ /* Register */
+ err = bcma_bus_register(bus);
+ if (err)
+- goto err_pci_unmap_mmio;
++ goto err_unregister_cores;
+
+ pci_set_drvdata(dev, bus);
+
+ out:
+ return err;
+
++err_unregister_cores:
++ bcma_unregister_cores(bus);
+ err_pci_unmap_mmio:
+ pci_iounmap(dev, bus->mmio);
+ err_pci_release_regions:
+@@ -283,9 +293,12 @@ static const struct pci_device_id bcma_p
+ { 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, 0x4360) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
++ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
+ { 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 */
+@@ -310,3 +323,31 @@ void __exit bcma_host_pci_exit(void)
+ {
+ pci_unregister_driver(&bcma_pci_bridge_driver);
+ }
++
++/**************************************************
++ * Runtime ops for drivers.
++ **************************************************/
++
++/* See also pcicore_up */
++void bcma_host_pci_up(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (bus->host_is_pcie2)
++ bcma_core_pcie2_up(&bus->drv_pcie2);
++ else
++ bcma_core_pci_up(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_up);
++
++/* See also pcicore_down */
++void bcma_host_pci_down(struct bcma_bus *bus)
++{
++ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
++ return;
++
++ if (!bus->host_is_pcie2)
++ bcma_core_pci_down(&bus->drv_pci[0]);
++}
++EXPORT_SYMBOL_GPL(bcma_host_pci_down);
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -363,7 +363,7 @@ static int bcma_register_devices(struct
+ return 0;
+ }
+
+-static void bcma_unregister_cores(struct bcma_bus *bus)
++void bcma_unregister_cores(struct bcma_bus *bus)
+ {
+ struct bcma_device *core, *tmp;
+
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -4770,7 +4770,7 @@ static void b43_wireless_core_exit(struc
+ switch (dev->dev->bus_type) {
+ #ifdef CONFIG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_down(dev->dev->bdev->bus);
++ bcma_host_pci_down(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CONFIG_B43_SSB
+@@ -4817,9 +4817,9 @@ static int b43_wireless_core_init(struct
+ switch (dev->dev->bus_type) {
+ #ifdef CONFIG_B43_BCMA
+ case B43_BUS_BCMA:
+- bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
++ bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
+ dev->dev->bdev, true);
+- bcma_core_pci_up(dev->dev->bdev->bus);
++ bcma_host_pci_up(dev->dev->bdev->bus);
+ break;
+ #endif
+ #ifdef CONFIG_B43_SSB
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -4669,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c
+ brcms_c_coredisable(wlc_hw);
+
+ /* Match driver "down" state */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+
+ /* turn off pll and xtal to match driver "down" state */
+ brcms_b_xtal(wlc_hw, OFF);
+@@ -4960,7 +4960,7 @@ static int brcms_b_up_prep(struct brcms_
+ * Configure pci/pcmcia here instead of in brcms_c_attach()
+ * to allow mfg hotswap: down, hotswap (chip power cycle), up.
+ */
+- bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
++ bcma_core_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
+ true);
+
+ /*
+@@ -4970,12 +4970,12 @@ static int brcms_b_up_prep(struct brcms_
+ */
+ if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
+ /* put SB PCI in down state again */
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ return -ENOMEDIUM;
+ }
+
+- bcma_core_pci_up(wlc_hw->d11core->bus);
++ bcma_host_pci_up(wlc_hw->d11core->bus);
+
+ /* reset the d11 core */
+ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
+@@ -5172,7 +5172,7 @@ static int brcms_b_down_finish(struct br
+
+ /* turn off primary xtal and pll */
+ if (!wlc_hw->noreset) {
+- bcma_core_pci_down(wlc_hw->d11core->bus);
++ bcma_host_pci_down(wlc_hw->d11core->bus);
+ brcms_b_xtal(wlc_hw, OFF);
+ }
+ }
+--- a/include/linux/bcma/bcma.h
++++ b/include/linux/bcma/bcma.h
+@@ -434,6 +434,9 @@ static inline struct bcma_device *bcma_f
+ return bcma_find_core_unit(bus, coreid, 0);
+ }
+
++extern void bcma_host_pci_up(struct bcma_bus *bus);
++extern void bcma_host_pci_down(struct bcma_bus *bus);
++
+ extern bool bcma_core_is_enabled(struct bcma_device *core);
+ extern void bcma_core_disable(struct bcma_device *core, u32 flags);
+ extern int bcma_core_enable(struct bcma_device *core, u32 flags);
+--- a/include/linux/bcma/bcma_driver_pci.h
++++ b/include/linux/bcma/bcma_driver_pci.h
+@@ -240,10 +240,8 @@ struct bcma_drv_pci {
+
+ extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
+ extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
+-extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
++extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
+ struct bcma_device *core, bool enable);
+-extern void bcma_core_pci_up(struct bcma_bus *bus);
+-extern void bcma_core_pci_down(struct bcma_bus *bus);
+ extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
+
+ extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
+--- a/include/linux/bcma/bcma_driver_pcie2.h
++++ b/include/linux/bcma/bcma_driver_pcie2.h
+@@ -143,6 +143,8 @@
+
+ struct bcma_drv_pcie2 {
+ struct bcma_device *core;
++
++ u16 reqsize;
+ };
+
+ #define pcie2_read16(pcie2, offset) bcma_read16((pcie2)->core, offset)
projects / openwrt / staging / hauke.git / commitdiff