index 9635f10..c394207 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
-@@ -639,13 +639,25 @@ static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+@@ -637,13 +637,25 @@ static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
core->id.rev, core->id.class);
}
err = bcma_host_soc_register_driver();
if (err) {
-@@ -662,7 +674,7 @@ static int __init bcma_modinit(void)
+@@ -660,7 +672,7 @@ static int __init bcma_modinit(void)
return err;
}
index 9635f10..c394207 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
-@@ -639,13 +639,25 @@ static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+@@ -637,13 +637,25 @@ static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
core->id.rev, core->id.class);
}
err = bcma_host_soc_register_driver();
if (err) {
-@@ -662,7 +674,7 @@ static int __init bcma_modinit(void)
+@@ -660,7 +672,7 @@ static int __init bcma_modinit(void)
return err;
}
--- /dev/null
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -25,22 +25,18 @@ struct bcma_bus;
+ 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);
++void bcma_init_bus(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,
+- struct bcma_device *core_cc,
+- struct bcma_device *core_mips);
++int __init bcma_bus_early_register(struct bcma_bus *bus);
+ #ifdef CONFIG_PM
+ int bcma_bus_suspend(struct bcma_bus *bus);
+ int bcma_bus_resume(struct bcma_bus *bus);
+ #endif
+
+ /* scan.c */
++void bcma_detect_chip(struct bcma_bus *bus);
+ int bcma_bus_scan(struct bcma_bus *bus);
+-int __init bcma_bus_scan_early(struct bcma_bus *bus,
+- struct bcma_device_id *match,
+- struct bcma_device *core);
+-void bcma_init_bus(struct bcma_bus *bus);
+
+ /* sprom.c */
+ int bcma_sprom_get(struct bcma_bus *bus);
+@@ -111,6 +107,14 @@ extern int bcma_chipco_watchdog_register
+ #ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+ bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc);
+ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
++#else
++static inline bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
++{
++ return false;
++}
++static inline void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
++{
++}
+ #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+
+ #ifdef CONFIG_BCMA_DRIVER_GPIO
+--- a/drivers/bcma/driver_chipcommon.c
++++ b/drivers/bcma/driver_chipcommon.c
+@@ -79,7 +79,9 @@ static int bcma_chipco_watchdog_ticks_pe
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
+- /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP clock */
++ /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP
++ * clock
++ */
+ return bcma_chipco_get_alp_clock(cc) / 4000;
+ else
+ /* based on 32KHz ILP clock */
+@@ -97,7 +99,8 @@ int bcma_chipco_watchdog_register(struct
+ wdt.driver_data = cc;
+ wdt.timer_set = bcma_chipco_watchdog_timer_set_wdt;
+ wdt.timer_set_ms = bcma_chipco_watchdog_timer_set_ms_wdt;
+- wdt.max_timer_ms = bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
++ wdt.max_timer_ms =
++ bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
+
+ pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
+ cc->core->bus->num, &wdt,
+@@ -175,7 +178,6 @@ void bcma_core_chipcommon_init(struct bc
+ u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
+ {
+ u32 maxt;
+- enum bcma_clkmode clkmode;
+
+ maxt = bcma_chipco_watchdog_get_max_timer(cc);
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+@@ -185,8 +187,13 @@ u32 bcma_chipco_watchdog_timer_set(struc
+ ticks = maxt;
+ bcma_cc_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks);
+ } else {
+- clkmode = ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC;
+- bcma_core_set_clockmode(cc->core, clkmode);
++ struct bcma_bus *bus = cc->core->bus;
++
++ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4707 &&
++ bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
++ bcma_core_set_clockmode(cc->core,
++ ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);
++
+ if (ticks > maxt)
+ ticks = maxt;
+ /* instant NMI */
+@@ -335,7 +342,8 @@ void bcma_chipco_serial_init(struct bcma
+ | BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ } else {
+- bcma_err(cc->core->bus, "serial not supported on this device ccrev: 0x%x\n", ccrev);
++ bcma_err(cc->core->bus, "serial not supported on this device ccrev: 0x%x\n",
++ ccrev);
+ return;
+ }
+
+--- a/drivers/bcma/driver_pci.c
++++ b/drivers/bcma/driver_pci.c
+@@ -145,6 +145,47 @@ static u16 bcma_pcie_mdio_writeread(stru
+ }
+
+ /**************************************************
++ * Early init.
++ **************************************************/
++
++static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
++{
++ struct bcma_device *core = pc->core;
++ u16 val16, core_index;
++ uint regoff;
++
++ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
++ core_index = (u16)core->core_index;
++
++ val16 = pcicore_read16(pc, regoff);
++ if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
++ != core_index) {
++ val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
++ (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
++ pcicore_write16(pc, regoff, val16);
++ }
++}
++
++/*
++ * Apply some early fixes required before accessing SPROM.
++ * See also si_pci_fixcfg.
++ */
++void bcma_core_pci_early_init(struct bcma_drv_pci *pc)
++{
++ if (pc->early_setup_done)
++ return;
++
++ pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
++ if (pc->hostmode)
++ goto out;
++
++ bcma_core_pci_fixcfg(pc);
++
++out:
++ pc->early_setup_done = true;
++}
++
++/**************************************************
+ * Workarounds.
+ **************************************************/
+
+@@ -175,24 +216,6 @@ static void bcma_pcicore_serdes_workarou
+ tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN);
+ }
+
+-static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
+-{
+- struct bcma_device *core = pc->core;
+- u16 val16, core_index;
+- uint regoff;
+-
+- regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
+- core_index = (u16)core->core_index;
+-
+- val16 = pcicore_read16(pc, regoff);
+- if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
+- != core_index) {
+- val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
+- (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
+- pcicore_write16(pc, regoff, val16);
+- }
+-}
+-
+ /* Fix MISC config to allow coming out of L2/L3-Ready state w/o PRST */
+ /* Needs to happen when coming out of 'standby'/'hibernate' */
+ static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc)
+@@ -216,7 +239,6 @@ static void bcma_core_pci_config_fixup(s
+
+ static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
+ {
+- bcma_core_pci_fixcfg(pc);
+ bcma_pcicore_serdes_workaround(pc);
+ bcma_core_pci_config_fixup(pc);
+ }
+@@ -226,13 +248,11 @@ void bcma_core_pci_init(struct bcma_drv_
+ if (pc->setup_done)
+ return;
+
+-#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+- pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
++ bcma_core_pci_early_init(pc);
++
+ if (pc->hostmode)
+ bcma_core_pci_hostmode_init(pc);
+-#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+-
+- if (!pc->hostmode)
++ else
+ bcma_core_pci_clientmode_init(pc);
+ }
+
+--- a/drivers/bcma/host_pci.c
++++ b/drivers/bcma/host_pci.c
+@@ -13,10 +13,12 @@
+
+ static void bcma_host_pci_switch_core(struct bcma_device *core)
+ {
++ int win2 = core->bus->host_is_pcie2 ?
++ BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;
++
+ pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
+ core->addr);
+- pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN2,
+- core->wrap);
++ pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
+ core->bus->mapped_core = core;
+ bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
+ }
+--- a/drivers/bcma/host_soc.c
++++ b/drivers/bcma/host_soc.c
+@@ -193,7 +193,7 @@ int __init bcma_host_soc_init(struct bcm
+ int err;
+
+ /* Scan bus and initialize it */
+- err = bcma_bus_early_register(bus, &soc->core_cc, &soc->core_mips);
++ err = bcma_bus_early_register(bus);
+ if (err)
+ iounmap(bus->mmio);
+
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -268,6 +268,18 @@ void bcma_prepare_core(struct bcma_bus *
+ }
+ }
+
++void bcma_init_bus(struct bcma_bus *bus)
++{
++ mutex_lock(&bcma_buses_mutex);
++ bus->num = bcma_bus_next_num++;
++ mutex_unlock(&bcma_buses_mutex);
++
++ INIT_LIST_HEAD(&bus->cores);
++ bus->nr_cores = 0;
++
++ bcma_detect_chip(bus);
++}
++
+ static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
+ {
+ int err;
+@@ -356,12 +368,19 @@ static void bcma_unregister_cores(struct
+ struct bcma_device *core, *tmp;
+
+ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
++ if (!core->dev_registered)
++ continue;
+ list_del(&core->list);
+- if (core->dev_registered)
+- device_unregister(&core->dev);
++ device_unregister(&core->dev);
+ }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ platform_device_unregister(bus->drv_cc.watchdog);
++
++ /* Now noone uses internally-handled cores, we can free them */
++ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
++ list_del(&core->list);
++ kfree(core);
++ }
+ }
+
+ int bcma_bus_register(struct bcma_bus *bus)
+@@ -369,10 +388,6 @@ int bcma_bus_register(struct bcma_bus *b
+ int err;
+ struct bcma_device *core;
+
+- mutex_lock(&bcma_buses_mutex);
+- bus->num = bcma_bus_next_num++;
+- mutex_unlock(&bcma_buses_mutex);
+-
+ /* Scan for devices (cores) */
+ err = bcma_bus_scan(bus);
+ if (err) {
+@@ -387,6 +402,13 @@ int bcma_bus_register(struct bcma_bus *b
+ bcma_core_chipcommon_early_init(&bus->drv_cc);
+ }
+
++ /* Early init PCIE core */
++ core = bcma_find_core(bus, BCMA_CORE_PCIE);
++ if (core) {
++ bus->drv_pci[0].core = core;
++ bcma_core_pci_early_init(&bus->drv_pci[0]);
++ }
++
+ /* 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))
+@@ -459,7 +481,6 @@ int bcma_bus_register(struct bcma_bus *b
+
+ void bcma_bus_unregister(struct bcma_bus *bus)
+ {
+- struct bcma_device *cores[3];
+ int err;
+
+ err = bcma_gpio_unregister(&bus->drv_cc);
+@@ -470,46 +491,23 @@ void bcma_bus_unregister(struct bcma_bus
+
+ 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);
+-
+ bcma_unregister_cores(bus);
+-
+- kfree(cores[2]);
+- kfree(cores[1]);
+- kfree(cores[0]);
+ }
+
+-int __init bcma_bus_early_register(struct bcma_bus *bus,
+- struct bcma_device *core_cc,
+- struct bcma_device *core_mips)
++/*
++ * This is a special version of bus registration function designed for SoCs.
++ * It scans bus and performs basic initialization of main cores only.
++ * Please note it requires memory allocation, however it won't try to sleep.
++ */
++int __init bcma_bus_early_register(struct bcma_bus *bus)
+ {
+ int err;
+ struct bcma_device *core;
+- struct bcma_device_id match;
+-
+- match.manuf = BCMA_MANUF_BCM;
+- match.id = bcma_cc_core_id(bus);
+- match.class = BCMA_CL_SIM;
+- match.rev = BCMA_ANY_REV;
+
+- /* Scan for chip common core */
+- err = bcma_bus_scan_early(bus, &match, core_cc);
+- if (err) {
+- bcma_err(bus, "Failed to scan for common core: %d\n", err);
+- return -1;
+- }
+-
+- match.manuf = BCMA_MANUF_MIPS;
+- match.id = BCMA_CORE_MIPS_74K;
+- match.class = BCMA_CL_SIM;
+- match.rev = BCMA_ANY_REV;
+-
+- /* Scan for mips core */
+- err = bcma_bus_scan_early(bus, &match, core_mips);
++ /* Scan for devices (cores) */
++ err = bcma_bus_scan(bus);
+ if (err) {
+- bcma_err(bus, "Failed to scan for mips core: %d\n", err);
++ bcma_err(bus, "Failed to scan bus: %d\n", err);
+ return -1;
+ }
+
+--- a/drivers/bcma/scan.c
++++ b/drivers/bcma/scan.c
+@@ -435,15 +435,12 @@ static int bcma_get_next_core(struct bcm
+ return 0;
+ }
+
+-void bcma_init_bus(struct bcma_bus *bus)
++void bcma_detect_chip(struct bcma_bus *bus)
+ {
+ s32 tmp;
+ struct bcma_chipinfo *chipinfo = &(bus->chipinfo);
+ char chip_id[8];
+
+- INIT_LIST_HEAD(&bus->cores);
+- bus->nr_cores = 0;
+-
+ bcma_scan_switch_core(bus, BCMA_ADDR_BASE);
+
+ tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID);
+@@ -464,6 +461,10 @@ int bcma_bus_scan(struct bcma_bus *bus)
+
+ int err, core_num = 0;
+
++ /* Skip if bus was already scanned (e.g. during early register) */
++ if (bus->nr_cores)
++ return 0;
++
+ erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+@@ -519,64 +520,6 @@ int bcma_bus_scan(struct bcma_bus *bus)
+ out:
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+-
+- return err;
+-}
+-
+-int __init bcma_bus_scan_early(struct bcma_bus *bus,
+- struct bcma_device_id *match,
+- struct bcma_device *core)
+-{
+- u32 erombase;
+- u32 __iomem *eromptr, *eromend;
+-
+- int err = -ENODEV;
+- int core_num = 0;
+-
+- erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+- if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+- eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+- if (!eromptr)
+- return -ENOMEM;
+- } else {
+- eromptr = bus->mmio;
+- }
+-
+- eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
+-
+- bcma_scan_switch_core(bus, erombase);
+-
+- while (eromptr < eromend) {
+- memset(core, 0, sizeof(*core));
+- INIT_LIST_HEAD(&core->list);
+- core->bus = bus;
+-
+- err = bcma_get_next_core(bus, &eromptr, match, core_num, core);
+- if (err == -ENODEV) {
+- core_num++;
+- continue;
+- } else if (err == -ENXIO)
+- continue;
+- else if (err == -ESPIPE)
+- break;
+- else if (err < 0)
+- goto out;
+-
+- core->core_index = core_num++;
+- bus->nr_cores++;
+- 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),
+- core->id.manuf, core->id.id, core->id.rev,
+- core->id.class);
+-
+- list_add_tail(&core->list, &bus->cores);
+- err = 0;
+- break;
+- }
+-
+-out:
+- if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+- iounmap(eromptr);
+
+ return err;
+ }
+--- a/drivers/bcma/sprom.c
++++ b/drivers/bcma/sprom.c
+@@ -579,7 +579,8 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ u16 offset = BCMA_CC_SPROM;
+ u16 *sprom;
+ size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+- SSB_SPROMSIZE_WORDS_R10, };
++ SSB_SPROMSIZE_WORDS_R10,
++ SSB_SPROMSIZE_WORDS_R11, };
+ int i, err = 0;
+
+ if (!bus->drv_cc.core)
+--- a/include/linux/bcma/bcma.h
++++ b/include/linux/bcma/bcma.h
+@@ -318,6 +318,7 @@ struct bcma_bus {
+ const struct bcma_host_ops *ops;
+
+ enum bcma_hosttype hosttype;
++ bool host_is_pcie2; /* Used for BCMA_HOSTTYPE_PCI only */
+ union {
+ /* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */
+ struct pci_dev *host_pci;
+--- a/include/linux/bcma/bcma_driver_pci.h
++++ b/include/linux/bcma/bcma_driver_pci.h
+@@ -223,6 +223,7 @@ struct bcma_drv_pci_host {
+
+ struct bcma_drv_pci {
+ struct bcma_device *core;
++ u8 early_setup_done:1;
+ u8 setup_done:1;
+ u8 hostmode:1;
+
+@@ -237,6 +238,7 @@ struct bcma_drv_pci {
+ #define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
+ #define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
+
++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,
+ struct bcma_device *core, bool enable);
+--- a/include/linux/bcma/bcma_regs.h
++++ b/include/linux/bcma/bcma_regs.h
+@@ -64,6 +64,8 @@
+ #define BCMA_PCI_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */
+ #define BCMA_PCI_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */
+
++#define BCMA_PCIE2_BAR0_WIN2 0x70
++
+ /* SiliconBackplane Address Map.
+ * All regions may not exist on all chips.
+ */
+--- a/include/linux/bcma/bcma_soc.h
++++ b/include/linux/bcma/bcma_soc.h
+@@ -5,8 +5,6 @@
+
+ struct bcma_soc {
+ struct bcma_bus bus;
+- struct bcma_device core_cc;
+- struct bcma_device core_mips;
+ };
+
+ int __init bcma_host_soc_register(struct bcma_soc *soc);
+--- a/include/linux/ssb/ssb_regs.h
++++ b/include/linux/ssb/ssb_regs.h
+@@ -173,6 +173,7 @@
+ #define SSB_SPROMSIZE_BYTES_R123 (SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
+ #define SSB_SPROMSIZE_BYTES_R4 (SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
+ #define SSB_SPROMSIZE_WORDS_R10 230
++#define SSB_SPROMSIZE_WORDS_R11 234
+ #define SSB_SPROM_BASE1 0x1000
+ #define SSB_SPROM_BASE31 0x0800
+ #define SSB_SPROM_REVISION 0x007E
--- /dev/null
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -25,22 +25,18 @@ struct bcma_bus;
+ 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);
++void bcma_init_bus(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,
+- struct bcma_device *core_cc,
+- struct bcma_device *core_mips);
++int __init bcma_bus_early_register(struct bcma_bus *bus);
+ #ifdef CONFIG_PM
+ int bcma_bus_suspend(struct bcma_bus *bus);
+ int bcma_bus_resume(struct bcma_bus *bus);
+ #endif
+
+ /* scan.c */
++void bcma_detect_chip(struct bcma_bus *bus);
+ int bcma_bus_scan(struct bcma_bus *bus);
+-int __init bcma_bus_scan_early(struct bcma_bus *bus,
+- struct bcma_device_id *match,
+- struct bcma_device *core);
+-void bcma_init_bus(struct bcma_bus *bus);
+
+ /* sprom.c */
+ int bcma_sprom_get(struct bcma_bus *bus);
+@@ -111,6 +107,14 @@ extern int bcma_chipco_watchdog_register
+ #ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+ bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc);
+ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
++#else
++static inline bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
++{
++ return false;
++}
++static inline void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
++{
++}
+ #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+
+ #ifdef CONFIG_BCMA_DRIVER_GPIO
+--- a/drivers/bcma/driver_chipcommon.c
++++ b/drivers/bcma/driver_chipcommon.c
+@@ -79,7 +79,9 @@ static int bcma_chipco_watchdog_ticks_pe
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
+- /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP clock */
++ /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP
++ * clock
++ */
+ return bcma_chipco_get_alp_clock(cc) / 4000;
+ else
+ /* based on 32KHz ILP clock */
+@@ -97,7 +99,8 @@ int bcma_chipco_watchdog_register(struct
+ wdt.driver_data = cc;
+ wdt.timer_set = bcma_chipco_watchdog_timer_set_wdt;
+ wdt.timer_set_ms = bcma_chipco_watchdog_timer_set_ms_wdt;
+- wdt.max_timer_ms = bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
++ wdt.max_timer_ms =
++ bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
+
+ pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
+ cc->core->bus->num, &wdt,
+@@ -175,7 +178,6 @@ void bcma_core_chipcommon_init(struct bc
+ u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
+ {
+ u32 maxt;
+- enum bcma_clkmode clkmode;
+
+ maxt = bcma_chipco_watchdog_get_max_timer(cc);
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+@@ -185,8 +187,13 @@ u32 bcma_chipco_watchdog_timer_set(struc
+ ticks = maxt;
+ bcma_cc_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks);
+ } else {
+- clkmode = ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC;
+- bcma_core_set_clockmode(cc->core, clkmode);
++ struct bcma_bus *bus = cc->core->bus;
++
++ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4707 &&
++ bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
++ bcma_core_set_clockmode(cc->core,
++ ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);
++
+ if (ticks > maxt)
+ ticks = maxt;
+ /* instant NMI */
+@@ -335,7 +342,8 @@ void bcma_chipco_serial_init(struct bcma
+ | BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ } else {
+- bcma_err(cc->core->bus, "serial not supported on this device ccrev: 0x%x\n", ccrev);
++ bcma_err(cc->core->bus, "serial not supported on this device ccrev: 0x%x\n",
++ ccrev);
+ return;
+ }
+
+--- a/drivers/bcma/driver_pci.c
++++ b/drivers/bcma/driver_pci.c
+@@ -145,6 +145,47 @@ static u16 bcma_pcie_mdio_writeread(stru
+ }
+
+ /**************************************************
++ * Early init.
++ **************************************************/
++
++static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
++{
++ struct bcma_device *core = pc->core;
++ u16 val16, core_index;
++ uint regoff;
++
++ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
++ core_index = (u16)core->core_index;
++
++ val16 = pcicore_read16(pc, regoff);
++ if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
++ != core_index) {
++ val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
++ (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
++ pcicore_write16(pc, regoff, val16);
++ }
++}
++
++/*
++ * Apply some early fixes required before accessing SPROM.
++ * See also si_pci_fixcfg.
++ */
++void bcma_core_pci_early_init(struct bcma_drv_pci *pc)
++{
++ if (pc->early_setup_done)
++ return;
++
++ pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
++ if (pc->hostmode)
++ goto out;
++
++ bcma_core_pci_fixcfg(pc);
++
++out:
++ pc->early_setup_done = true;
++}
++
++/**************************************************
+ * Workarounds.
+ **************************************************/
+
+@@ -175,24 +216,6 @@ static void bcma_pcicore_serdes_workarou
+ tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN);
+ }
+
+-static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
+-{
+- struct bcma_device *core = pc->core;
+- u16 val16, core_index;
+- uint regoff;
+-
+- regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
+- core_index = (u16)core->core_index;
+-
+- val16 = pcicore_read16(pc, regoff);
+- if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
+- != core_index) {
+- val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
+- (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
+- pcicore_write16(pc, regoff, val16);
+- }
+-}
+-
+ /* Fix MISC config to allow coming out of L2/L3-Ready state w/o PRST */
+ /* Needs to happen when coming out of 'standby'/'hibernate' */
+ static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc)
+@@ -216,7 +239,6 @@ static void bcma_core_pci_config_fixup(s
+
+ static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
+ {
+- bcma_core_pci_fixcfg(pc);
+ bcma_pcicore_serdes_workaround(pc);
+ bcma_core_pci_config_fixup(pc);
+ }
+@@ -226,13 +248,11 @@ void bcma_core_pci_init(struct bcma_drv_
+ if (pc->setup_done)
+ return;
+
+-#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
+- pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
++ bcma_core_pci_early_init(pc);
++
+ if (pc->hostmode)
+ bcma_core_pci_hostmode_init(pc);
+-#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
+-
+- if (!pc->hostmode)
++ else
+ bcma_core_pci_clientmode_init(pc);
+ }
+
+--- a/drivers/bcma/host_pci.c
++++ b/drivers/bcma/host_pci.c
+@@ -13,10 +13,12 @@
+
+ static void bcma_host_pci_switch_core(struct bcma_device *core)
+ {
++ int win2 = core->bus->host_is_pcie2 ?
++ BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;
++
+ pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
+ core->addr);
+- pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN2,
+- core->wrap);
++ pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
+ core->bus->mapped_core = core;
+ bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
+ }
+--- a/drivers/bcma/host_soc.c
++++ b/drivers/bcma/host_soc.c
+@@ -193,7 +193,7 @@ int __init bcma_host_soc_init(struct bcm
+ int err;
+
+ /* Scan bus and initialize it */
+- err = bcma_bus_early_register(bus, &soc->core_cc, &soc->core_mips);
++ err = bcma_bus_early_register(bus);
+ if (err)
+ iounmap(bus->mmio);
+
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -268,6 +268,18 @@ void bcma_prepare_core(struct bcma_bus *
+ }
+ }
+
++void bcma_init_bus(struct bcma_bus *bus)
++{
++ mutex_lock(&bcma_buses_mutex);
++ bus->num = bcma_bus_next_num++;
++ mutex_unlock(&bcma_buses_mutex);
++
++ INIT_LIST_HEAD(&bus->cores);
++ bus->nr_cores = 0;
++
++ bcma_detect_chip(bus);
++}
++
+ static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
+ {
+ int err;
+@@ -356,12 +368,19 @@ static void bcma_unregister_cores(struct
+ struct bcma_device *core, *tmp;
+
+ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
++ if (!core->dev_registered)
++ continue;
+ list_del(&core->list);
+- if (core->dev_registered)
+- device_unregister(&core->dev);
++ device_unregister(&core->dev);
+ }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ platform_device_unregister(bus->drv_cc.watchdog);
++
++ /* Now noone uses internally-handled cores, we can free them */
++ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
++ list_del(&core->list);
++ kfree(core);
++ }
+ }
+
+ int bcma_bus_register(struct bcma_bus *bus)
+@@ -369,10 +388,6 @@ int bcma_bus_register(struct bcma_bus *b
+ int err;
+ struct bcma_device *core;
+
+- mutex_lock(&bcma_buses_mutex);
+- bus->num = bcma_bus_next_num++;
+- mutex_unlock(&bcma_buses_mutex);
+-
+ /* Scan for devices (cores) */
+ err = bcma_bus_scan(bus);
+ if (err) {
+@@ -387,6 +402,13 @@ int bcma_bus_register(struct bcma_bus *b
+ bcma_core_chipcommon_early_init(&bus->drv_cc);
+ }
+
++ /* Early init PCIE core */
++ core = bcma_find_core(bus, BCMA_CORE_PCIE);
++ if (core) {
++ bus->drv_pci[0].core = core;
++ bcma_core_pci_early_init(&bus->drv_pci[0]);
++ }
++
+ /* 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))
+@@ -459,7 +481,6 @@ int bcma_bus_register(struct bcma_bus *b
+
+ void bcma_bus_unregister(struct bcma_bus *bus)
+ {
+- struct bcma_device *cores[3];
+ int err;
+
+ err = bcma_gpio_unregister(&bus->drv_cc);
+@@ -470,46 +491,23 @@ void bcma_bus_unregister(struct bcma_bus
+
+ 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);
+-
+ bcma_unregister_cores(bus);
+-
+- kfree(cores[2]);
+- kfree(cores[1]);
+- kfree(cores[0]);
+ }
+
+-int __init bcma_bus_early_register(struct bcma_bus *bus,
+- struct bcma_device *core_cc,
+- struct bcma_device *core_mips)
++/*
++ * This is a special version of bus registration function designed for SoCs.
++ * It scans bus and performs basic initialization of main cores only.
++ * Please note it requires memory allocation, however it won't try to sleep.
++ */
++int __init bcma_bus_early_register(struct bcma_bus *bus)
+ {
+ int err;
+ struct bcma_device *core;
+- struct bcma_device_id match;
+-
+- match.manuf = BCMA_MANUF_BCM;
+- match.id = bcma_cc_core_id(bus);
+- match.class = BCMA_CL_SIM;
+- match.rev = BCMA_ANY_REV;
+
+- /* Scan for chip common core */
+- err = bcma_bus_scan_early(bus, &match, core_cc);
+- if (err) {
+- bcma_err(bus, "Failed to scan for common core: %d\n", err);
+- return -1;
+- }
+-
+- match.manuf = BCMA_MANUF_MIPS;
+- match.id = BCMA_CORE_MIPS_74K;
+- match.class = BCMA_CL_SIM;
+- match.rev = BCMA_ANY_REV;
+-
+- /* Scan for mips core */
+- err = bcma_bus_scan_early(bus, &match, core_mips);
++ /* Scan for devices (cores) */
++ err = bcma_bus_scan(bus);
+ if (err) {
+- bcma_err(bus, "Failed to scan for mips core: %d\n", err);
++ bcma_err(bus, "Failed to scan bus: %d\n", err);
+ return -1;
+ }
+
+--- a/drivers/bcma/scan.c
++++ b/drivers/bcma/scan.c
+@@ -435,15 +435,12 @@ static int bcma_get_next_core(struct bcm
+ return 0;
+ }
+
+-void bcma_init_bus(struct bcma_bus *bus)
++void bcma_detect_chip(struct bcma_bus *bus)
+ {
+ s32 tmp;
+ struct bcma_chipinfo *chipinfo = &(bus->chipinfo);
+ char chip_id[8];
+
+- INIT_LIST_HEAD(&bus->cores);
+- bus->nr_cores = 0;
+-
+ bcma_scan_switch_core(bus, BCMA_ADDR_BASE);
+
+ tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID);
+@@ -464,6 +461,10 @@ int bcma_bus_scan(struct bcma_bus *bus)
+
+ int err, core_num = 0;
+
++ /* Skip if bus was already scanned (e.g. during early register) */
++ if (bus->nr_cores)
++ return 0;
++
+ erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+@@ -519,64 +520,6 @@ int bcma_bus_scan(struct bcma_bus *bus)
+ out:
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+-
+- return err;
+-}
+-
+-int __init bcma_bus_scan_early(struct bcma_bus *bus,
+- struct bcma_device_id *match,
+- struct bcma_device *core)
+-{
+- u32 erombase;
+- u32 __iomem *eromptr, *eromend;
+-
+- int err = -ENODEV;
+- int core_num = 0;
+-
+- erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+- if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+- eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+- if (!eromptr)
+- return -ENOMEM;
+- } else {
+- eromptr = bus->mmio;
+- }
+-
+- eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
+-
+- bcma_scan_switch_core(bus, erombase);
+-
+- while (eromptr < eromend) {
+- memset(core, 0, sizeof(*core));
+- INIT_LIST_HEAD(&core->list);
+- core->bus = bus;
+-
+- err = bcma_get_next_core(bus, &eromptr, match, core_num, core);
+- if (err == -ENODEV) {
+- core_num++;
+- continue;
+- } else if (err == -ENXIO)
+- continue;
+- else if (err == -ESPIPE)
+- break;
+- else if (err < 0)
+- goto out;
+-
+- core->core_index = core_num++;
+- bus->nr_cores++;
+- 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),
+- core->id.manuf, core->id.id, core->id.rev,
+- core->id.class);
+-
+- list_add_tail(&core->list, &bus->cores);
+- err = 0;
+- break;
+- }
+-
+-out:
+- if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+- iounmap(eromptr);
+
+ return err;
+ }
+--- a/drivers/bcma/sprom.c
++++ b/drivers/bcma/sprom.c
+@@ -579,7 +579,8 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ u16 offset = BCMA_CC_SPROM;
+ u16 *sprom;
+ size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+- SSB_SPROMSIZE_WORDS_R10, };
++ SSB_SPROMSIZE_WORDS_R10,
++ SSB_SPROMSIZE_WORDS_R11, };
+ int i, err = 0;
+
+ if (!bus->drv_cc.core)
+--- a/include/linux/bcma/bcma.h
++++ b/include/linux/bcma/bcma.h
+@@ -318,6 +318,7 @@ struct bcma_bus {
+ const struct bcma_host_ops *ops;
+
+ enum bcma_hosttype hosttype;
++ bool host_is_pcie2; /* Used for BCMA_HOSTTYPE_PCI only */
+ union {
+ /* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */
+ struct pci_dev *host_pci;
+--- a/include/linux/bcma/bcma_driver_pci.h
++++ b/include/linux/bcma/bcma_driver_pci.h
+@@ -223,6 +223,7 @@ struct bcma_drv_pci_host {
+
+ struct bcma_drv_pci {
+ struct bcma_device *core;
++ u8 early_setup_done:1;
+ u8 setup_done:1;
+ u8 hostmode:1;
+
+@@ -237,6 +238,7 @@ struct bcma_drv_pci {
+ #define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
+ #define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
+
++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,
+ struct bcma_device *core, bool enable);
+--- a/include/linux/bcma/bcma_regs.h
++++ b/include/linux/bcma/bcma_regs.h
+@@ -64,6 +64,8 @@
+ #define BCMA_PCI_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */
+ #define BCMA_PCI_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */
+
++#define BCMA_PCIE2_BAR0_WIN2 0x70
++
+ /* SiliconBackplane Address Map.
+ * All regions may not exist on all chips.
+ */
+--- a/include/linux/bcma/bcma_soc.h
++++ b/include/linux/bcma/bcma_soc.h
+@@ -5,8 +5,6 @@
+
+ struct bcma_soc {
+ struct bcma_bus bus;
+- struct bcma_device core_cc;
+- struct bcma_device core_mips;
+ };
+
+ int __init bcma_host_soc_register(struct bcma_soc *soc);
+--- a/include/linux/ssb/ssb_regs.h
++++ b/include/linux/ssb/ssb_regs.h
+@@ -173,6 +173,7 @@
+ #define SSB_SPROMSIZE_BYTES_R123 (SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
+ #define SSB_SPROMSIZE_BYTES_R4 (SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
+ #define SSB_SPROMSIZE_WORDS_R10 230
++#define SSB_SPROMSIZE_WORDS_R11 234
+ #define SSB_SPROM_BASE1 0x1000
+ #define SSB_SPROM_BASE31 0x0800
+ #define SSB_SPROM_REVISION 0x007E
projects / openwrt / openwrt.git / commitdiff