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355 lines
11 KiB
355 lines
11 KiB
--- a/drivers/bcma/bcma_private.h
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+++ b/drivers/bcma/bcma_private.h
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@@ -26,6 +26,7 @@ bool bcma_wait_value(struct bcma_device
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int timeout);
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void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
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void bcma_init_bus(struct bcma_bus *bus);
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+void bcma_unregister_cores(struct bcma_bus *bus);
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int bcma_bus_register(struct bcma_bus *bus);
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void bcma_bus_unregister(struct bcma_bus *bus);
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int __init bcma_bus_early_register(struct bcma_bus *bus);
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@@ -101,6 +102,11 @@ static inline void __exit bcma_host_soc_
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/* driver_pci.c */
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u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
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+void bcma_core_pci_up(struct bcma_drv_pci *pc);
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+void bcma_core_pci_down(struct bcma_drv_pci *pc);
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+
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+/* driver_pcie2.c */
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+void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
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extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
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--- a/drivers/bcma/driver_gpio.c
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+++ b/drivers/bcma/driver_gpio.c
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@@ -76,7 +76,7 @@ static void bcma_gpio_free(struct gpio_c
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bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
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}
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-#if IS_BUILTIN(CONFIG_BCM47XX)
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+#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
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static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
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{
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struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
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@@ -215,7 +215,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
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chip->set = bcma_gpio_set_value;
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chip->direction_input = bcma_gpio_direction_input;
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chip->direction_output = bcma_gpio_direction_output;
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-#if IS_BUILTIN(CONFIG_BCM47XX)
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+#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
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chip->to_irq = bcma_gpio_to_irq;
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#endif
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#if IS_BUILTIN(CONFIG_OF)
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--- a/drivers/bcma/driver_pci.c
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+++ b/drivers/bcma/driver_pci.c
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@@ -282,21 +282,21 @@ void bcma_core_pci_power_save(struct bcm
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}
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EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
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-int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
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+int bcma_core_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
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bool enable)
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{
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struct pci_dev *pdev;
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u32 coremask, tmp;
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int err = 0;
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- if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
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+ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
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/* This bcma device is not on a PCI host-bus. So the IRQs are
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* not routed through the PCI core.
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* So we must not enable routing through the PCI core. */
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goto out;
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}
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- pdev = pc->core->bus->host_pci;
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+ pdev = bus->host_pci;
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err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
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if (err)
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@@ -328,28 +328,12 @@ static void bcma_core_pci_extend_L1timer
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bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
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}
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-void bcma_core_pci_up(struct bcma_bus *bus)
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+void bcma_core_pci_up(struct bcma_drv_pci *pc)
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{
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- struct bcma_drv_pci *pc;
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-
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- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
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- return;
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-
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- pc = &bus->drv_pci[0];
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-
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bcma_core_pci_extend_L1timer(pc, true);
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}
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-EXPORT_SYMBOL_GPL(bcma_core_pci_up);
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-void bcma_core_pci_down(struct bcma_bus *bus)
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+void bcma_core_pci_down(struct bcma_drv_pci *pc)
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{
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- struct bcma_drv_pci *pc;
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-
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- if (bus->hosttype != BCMA_HOSTTYPE_PCI)
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- return;
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-
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- pc = &bus->drv_pci[0];
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-
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bcma_core_pci_extend_L1timer(pc, false);
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}
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-EXPORT_SYMBOL_GPL(bcma_core_pci_down);
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--- a/drivers/bcma/driver_pci_host.c
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+++ b/drivers/bcma/driver_pci_host.c
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@@ -11,6 +11,7 @@
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#include "bcma_private.h"
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#include <linux/pci.h>
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+#include <linux/slab.h>
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#include <linux/export.h>
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#include <linux/bcma/bcma.h>
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#include <asm/paccess.h>
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--- a/drivers/bcma/driver_pcie2.c
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+++ b/drivers/bcma/driver_pcie2.c
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@@ -10,6 +10,7 @@
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#include "bcma_private.h"
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#include <linux/bcma/bcma.h>
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+#include <linux/pci.h>
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/**************************************************
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* R/W ops.
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@@ -156,14 +157,23 @@ static void pciedev_reg_pm_clk_period(st
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void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
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{
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- struct bcma_chipinfo *ci = &pcie2->core->bus->chipinfo;
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+ struct bcma_bus *bus = pcie2->core->bus;
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+ struct bcma_chipinfo *ci = &bus->chipinfo;
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u32 tmp;
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tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54));
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if ((tmp & 0xe) >> 1 == 2)
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bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17);
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- /* TODO: Do we need pcie_reqsize? */
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+ switch (bus->chipinfo.id) {
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+ case BCMA_CHIP_ID_BCM4360:
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+ case BCMA_CHIP_ID_BCM4352:
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+ pcie2->reqsize = 1024;
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+ break;
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+ default:
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+ pcie2->reqsize = 128;
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+ break;
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+ }
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if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
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bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
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@@ -173,3 +183,18 @@ void bcma_core_pcie2_init(struct bcma_dr
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pciedev_crwlpciegen2_180(pcie2);
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pciedev_crwlpciegen2_182(pcie2);
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}
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+
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+/**************************************************
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+ * Runtime ops.
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+ **************************************************/
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+
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+void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2)
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+{
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+ struct bcma_bus *bus = pcie2->core->bus;
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+ struct pci_dev *dev = bus->host_pci;
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+ int err;
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+
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+ err = pcie_set_readrq(dev, pcie2->reqsize);
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+ if (err)
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+ bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err);
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+}
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--- a/drivers/bcma/host_pci.c
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+++ b/drivers/bcma/host_pci.c
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@@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pc
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/* Initialize struct, detect chip */
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bcma_init_bus(bus);
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+ /* Scan bus to find out generation of PCIe core */
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+ err = bcma_bus_scan(bus);
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+ if (err)
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+ goto err_pci_unmap_mmio;
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+
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+ if (bcma_find_core(bus, BCMA_CORE_PCIE2))
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+ bus->host_is_pcie2 = true;
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+
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/* Register */
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err = bcma_bus_register(bus);
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if (err)
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- goto err_pci_unmap_mmio;
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+ goto err_unregister_cores;
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pci_set_drvdata(dev, bus);
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out:
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return err;
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+err_unregister_cores:
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+ bcma_unregister_cores(bus);
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err_pci_unmap_mmio:
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pci_iounmap(dev, bus->mmio);
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err_pci_release_regions:
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@@ -283,9 +293,12 @@ static const struct pci_device_id bcma_p
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
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+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
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+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
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+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
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{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
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@@ -310,3 +323,31 @@ void __exit bcma_host_pci_exit(void)
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{
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pci_unregister_driver(&bcma_pci_bridge_driver);
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}
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+
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+/**************************************************
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+ * Runtime ops for drivers.
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+ **************************************************/
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+
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+/* See also pcicore_up */
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+void bcma_host_pci_up(struct bcma_bus *bus)
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+{
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+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
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+ return;
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+
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+ if (bus->host_is_pcie2)
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+ bcma_core_pcie2_up(&bus->drv_pcie2);
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+ else
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+ bcma_core_pci_up(&bus->drv_pci[0]);
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+}
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+EXPORT_SYMBOL_GPL(bcma_host_pci_up);
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+
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+/* See also pcicore_down */
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+void bcma_host_pci_down(struct bcma_bus *bus)
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+{
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+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
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+ return;
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+
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+ if (!bus->host_is_pcie2)
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+ bcma_core_pci_down(&bus->drv_pci[0]);
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+}
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+EXPORT_SYMBOL_GPL(bcma_host_pci_down);
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -363,7 +363,7 @@ static int bcma_register_devices(struct
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return 0;
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}
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-static void bcma_unregister_cores(struct bcma_bus *bus)
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+void bcma_unregister_cores(struct bcma_bus *bus)
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{
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struct bcma_device *core, *tmp;
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--- a/drivers/net/wireless/b43/main.c
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+++ b/drivers/net/wireless/b43/main.c
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@@ -4650,7 +4650,7 @@ static void b43_wireless_core_exit(struc
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switch (dev->dev->bus_type) {
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#ifdef CONFIG_B43_BCMA
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case B43_BUS_BCMA:
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- bcma_core_pci_down(dev->dev->bdev->bus);
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+ bcma_host_pci_down(dev->dev->bdev->bus);
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break;
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#endif
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#ifdef CONFIG_B43_SSB
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@@ -4697,9 +4697,9 @@ static int b43_wireless_core_init(struct
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switch (dev->dev->bus_type) {
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#ifdef CONFIG_B43_BCMA
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case B43_BUS_BCMA:
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- bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
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+ bcma_core_pci_irq_ctl(dev->dev->bdev->bus,
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dev->dev->bdev, true);
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- bcma_core_pci_up(dev->dev->bdev->bus);
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+ bcma_host_pci_up(dev->dev->bdev->bus);
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break;
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#endif
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#ifdef CONFIG_B43_SSB
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--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
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+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
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@@ -4669,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c
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brcms_c_coredisable(wlc_hw);
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/* Match driver "down" state */
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- bcma_core_pci_down(wlc_hw->d11core->bus);
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+ bcma_host_pci_down(wlc_hw->d11core->bus);
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/* turn off pll and xtal to match driver "down" state */
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brcms_b_xtal(wlc_hw, OFF);
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@@ -5002,7 +5002,7 @@ static int brcms_b_up_prep(struct brcms_
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* Configure pci/pcmcia here instead of in brcms_c_attach()
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* to allow mfg hotswap: down, hotswap (chip power cycle), up.
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*/
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- bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
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+ bcma_core_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
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true);
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/*
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@@ -5012,12 +5012,12 @@ static int brcms_b_up_prep(struct brcms_
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*/
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if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
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/* put SB PCI in down state again */
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- bcma_core_pci_down(wlc_hw->d11core->bus);
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+ bcma_host_pci_down(wlc_hw->d11core->bus);
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brcms_b_xtal(wlc_hw, OFF);
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return -ENOMEDIUM;
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}
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- bcma_core_pci_up(wlc_hw->d11core->bus);
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+ bcma_host_pci_up(wlc_hw->d11core->bus);
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/* reset the d11 core */
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brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
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@@ -5214,7 +5214,7 @@ static int brcms_b_down_finish(struct br
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/* turn off primary xtal and pll */
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if (!wlc_hw->noreset) {
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- bcma_core_pci_down(wlc_hw->d11core->bus);
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+ bcma_host_pci_down(wlc_hw->d11core->bus);
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brcms_b_xtal(wlc_hw, OFF);
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}
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}
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--- a/include/linux/bcma/bcma.h
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+++ b/include/linux/bcma/bcma.h
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@@ -434,6 +434,9 @@ static inline struct bcma_device *bcma_f
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return bcma_find_core_unit(bus, coreid, 0);
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}
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+extern void bcma_host_pci_up(struct bcma_bus *bus);
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+extern void bcma_host_pci_down(struct bcma_bus *bus);
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+
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extern bool bcma_core_is_enabled(struct bcma_device *core);
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extern void bcma_core_disable(struct bcma_device *core, u32 flags);
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extern int bcma_core_enable(struct bcma_device *core, u32 flags);
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--- a/include/linux/bcma/bcma_driver_pci.h
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+++ b/include/linux/bcma/bcma_driver_pci.h
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@@ -240,10 +240,8 @@ struct bcma_drv_pci {
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extern void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
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extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
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-extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
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+extern int bcma_core_pci_irq_ctl(struct bcma_bus *bus,
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struct bcma_device *core, bool enable);
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-extern void bcma_core_pci_up(struct bcma_bus *bus);
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-extern void bcma_core_pci_down(struct bcma_bus *bus);
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extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
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extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
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--- a/include/linux/bcma/bcma_driver_pcie2.h
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+++ b/include/linux/bcma/bcma_driver_pcie2.h
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@@ -143,6 +143,8 @@
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struct bcma_drv_pcie2 {
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struct bcma_device *core;
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+
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+ u16 reqsize;
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};
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#define pcie2_read16(pcie2, offset) bcma_read16((pcie2)->core, offset)
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