path: root/target/linux/generic/patches-3.10/025-bcma_backport.patch

--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE
 config BCMA_HOST_PCI
 	bool "Support for BCMA on PCI-host bus"
 	depends on BCMA_HOST_PCI_POSSIBLE
+	default y
 
 config BCMA_DRIVER_PCI_HOSTMODE
 	bool "Driver for PCI core working in hostmode"
@@ -34,8 +35,14 @@ config BCMA_DRIVER_PCI_HOSTMODE
 	  PCI core hostmode operation (external PCI bus).
 
 config BCMA_HOST_SOC
-	bool
-	depends on BCMA_DRIVER_MIPS
+	bool "Support for BCMA in a SoC"
+	depends on BCMA
+	help
+	  Host interface for a Broadcom AIX bus directly mapped into
+	  the memory. This only works with the Broadcom SoCs from the
+	  BCM47XX line.
+
+	  If unsure, say N
 
 config BCMA_DRIVER_MIPS
 	bool "BCMA Broadcom MIPS core driver"
@@ -68,6 +75,7 @@ config BCMA_DRIVER_GMAC_CMN
 config BCMA_DRIVER_GPIO
 	bool "BCMA GPIO driver"
 	depends on BCMA && GPIOLIB
+	select IRQ_DOMAIN if BCMA_HOST_SOC
 	help
 	  Driver to provide access to the GPIO pins of the bcma bus.
 
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -3,6 +3,7 @@ bcma-y					+= driver_chipcommon.o driver
 bcma-$(CONFIG_BCMA_SFLASH)		+= driver_chipcommon_sflash.o
 bcma-$(CONFIG_BCMA_NFLASH)		+= driver_chipcommon_nflash.o
 bcma-y					+= driver_pci.o
+bcma-y					+= driver_pcie2.o
 bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE)	+= driver_pci_host.o
 bcma-$(CONFIG_BCMA_DRIVER_MIPS)		+= driver_mips.o
 bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN)	+= driver_gmac_cmn.o
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -22,6 +22,8 @@
 struct bcma_bus;
 
 /* main.c */
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+		     int timeout);
 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,
@@ -31,8 +33,6 @@ int __init bcma_bus_early_register(struc
 int bcma_bus_suspend(struct bcma_bus *bus);
 int bcma_bus_resume(struct bcma_bus *bus);
 #endif
-struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
-					u8 unit);
 
 /* scan.c */
 int bcma_bus_scan(struct bcma_bus *bus);
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -9,6 +9,25 @@
 #include <linux/export.h>
 #include <linux/bcma/bcma.h>
 
+static bool bcma_core_wait_value(struct bcma_device *core, u16 reg, u32 mask,
+				 u32 value, int timeout)
+{
+	unsigned long deadline = jiffies + timeout;
+	u32 val;
+
+	do {
+		val = bcma_aread32(core, reg);
+		if ((val & mask) == value)
+			return true;
+		cpu_relax();
+		udelay(10);
+	} while (!time_after_eq(jiffies, deadline));
+
+	bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+	return false;
+}
+
 bool bcma_core_is_enabled(struct bcma_device *core)
 {
 	if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC))
@@ -25,13 +44,15 @@ void bcma_core_disable(struct bcma_devic
 	if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
 		return;
 
-	bcma_awrite32(core, BCMA_IOCTL, flags);
-	bcma_aread32(core, BCMA_IOCTL);
-	udelay(10);
+	bcma_core_wait_value(core, BCMA_RESET_ST, ~0, 0, 300);
 
 	bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
 	bcma_aread32(core, BCMA_RESET_CTL);
 	udelay(1);
+
+	bcma_awrite32(core, BCMA_IOCTL, flags);
+	bcma_aread32(core, BCMA_IOCTL);
+	udelay(10);
 }
 EXPORT_SYMBOL_GPL(bcma_core_disable);
 
@@ -43,6 +64,7 @@ int bcma_core_enable(struct bcma_device
 	bcma_aread32(core, BCMA_IOCTL);
 
 	bcma_awrite32(core, BCMA_RESET_CTL, 0);
+	bcma_aread32(core, BCMA_RESET_CTL);
 	udelay(1);
 
 	bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -140,8 +140,15 @@ void bcma_core_chipcommon_init(struct bc
 	bcma_core_chipcommon_early_init(cc);
 
 	if (cc->core->id.rev >= 20) {
-		bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0);
-		bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0);
+		u32 pullup = 0, pulldown = 0;
+
+		if (cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM43142) {
+			pullup = 0x402e0;
+			pulldown = 0x20500;
+		}
+
+		bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, pullup);
+		bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, pulldown);
 	}
 
 	if (cc->capabilities & BCMA_CC_CAP_PMU)
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -56,6 +56,109 @@ void bcma_chipco_regctl_maskset(struct b
 }
 EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
 
+static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
+{
+	u32 ilp_ctl, alp_hz;
+
+	if (!(bcma_cc_read32(cc, BCMA_CC_PMU_STAT) &
+	      BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
+		return 0;
+
+	bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
+			BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
+	usleep_range(1000, 2000);
+
+	ilp_ctl = bcma_cc_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
+	ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
+
+	bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
+
+	alp_hz = ilp_ctl * 32768 / 4;
+	return (alp_hz + 50000) / 100000 * 100;
+}
+
+static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
+{
+	struct bcma_bus *bus = cc->core->bus;
+	u32 freq_tgt_target = 0, freq_tgt_current;
+	u32 pll0, mask;
+
+	switch (bus->chipinfo.id) {
+	case BCMA_CHIP_ID_BCM43142:
+		/* pmu2_xtaltab0_adfll_485 */
+		switch (xtalfreq) {
+		case 12000:
+			freq_tgt_target = 0x50D52;
+			break;
+		case 20000:
+			freq_tgt_target = 0x307FE;
+			break;
+		case 26000:
+			freq_tgt_target = 0x254EA;
+			break;
+		case 37400:
+			freq_tgt_target = 0x19EF8;
+			break;
+		case 52000:
+			freq_tgt_target = 0x12A75;
+			break;
+		}
+		break;
+	}
+
+	if (!freq_tgt_target) {
+		bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
+			 xtalfreq);
+		return;
+	}
+
+	pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
+	freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
+		BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+
+	if (freq_tgt_current == freq_tgt_target) {
+		bcma_debug(bus, "Target TGT frequency already set\n");
+		return;
+	}
+
+	/* Turn off PLL */
+	switch (bus->chipinfo.id) {
+	case BCMA_CHIP_ID_BCM43142:
+		mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
+			      BCMA_RES_4314_MACPHY_CLK_AVAIL);
+
+		bcma_cc_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
+		bcma_cc_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
+		bcma_wait_value(cc->core, BCMA_CLKCTLST,
+				BCMA_CLKCTLST_HAVEHT, 0, 20000);
+		break;
+	}
+
+	pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
+	pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+	bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
+
+	/* Flush */
+	if (cc->pmu.rev >= 2)
+		bcma_cc_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
+
+	/* TODO: Do we need to update OTP? */
+}
+
+static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
+{
+	struct bcma_bus *bus = cc->core->bus;
+	u32 xtalfreq = bcma_pmu_xtalfreq(cc);
+
+	switch (bus->chipinfo.id) {
+	case BCMA_CHIP_ID_BCM43142:
+		if (xtalfreq == 0)
+			xtalfreq = 20000;
+		bcma_pmu2_pll_init0(cc, xtalfreq);
+		break;
+	}
+}
+
 static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
 {
 	struct bcma_bus *bus = cc->core->bus;
@@ -66,6 +169,25 @@ static void bcma_pmu_resources_init(stru
 		min_msk = 0x200D;
 		max_msk = 0xFFFF;
 		break;
+	case BCMA_CHIP_ID_BCM43142:
+		min_msk = BCMA_RES_4314_LPLDO_PU |
+			  BCMA_RES_4314_PMU_SLEEP_DIS |
+			  BCMA_RES_4314_PMU_BG_PU |
+			  BCMA_RES_4314_CBUCK_LPOM_PU |
+			  BCMA_RES_4314_CBUCK_PFM_PU |
+			  BCMA_RES_4314_CLDO_PU |
+			  BCMA_RES_4314_LPLDO2_LVM |
+			  BCMA_RES_4314_WL_PMU_PU |
+			  BCMA_RES_4314_LDO3P3_PU |
+			  BCMA_RES_4314_OTP_PU |
+			  BCMA_RES_4314_WL_PWRSW_PU |
+			  BCMA_RES_4314_LQ_AVAIL |
+			  BCMA_RES_4314_LOGIC_RET |
+			  BCMA_RES_4314_MEM_SLEEP |
+			  BCMA_RES_4314_MACPHY_RET |
+			  BCMA_RES_4314_WL_CORE_READY;
+		max_msk = 0x3FFFFFFF;
+		break;
 	default:
 		bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
 			   bus->chipinfo.id);
@@ -165,6 +287,7 @@ void bcma_pmu_init(struct bcma_drv_cc *c
 		bcma_cc_set32(cc, BCMA_CC_PMU_CTL,
 			     BCMA_CC_PMU_CTL_NOILPONW);
 
+	bcma_pmu_pll_init(cc);
 	bcma_pmu_resources_init(cc);
 	bcma_pmu_workarounds(cc);
 }
@@ -480,6 +603,8 @@ void bcma_pmu_spuravoid_pllupdate(struct
 		tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
 		break;
 
+	case BCMA_CHIP_ID_BCM43131:
+	case BCMA_CHIP_ID_BCM43217:
 	case BCMA_CHIP_ID_BCM43227:
 	case BCMA_CHIP_ID_BCM43228:
 	case BCMA_CHIP_ID_BCM43428:
--- a/drivers/bcma/driver_chipcommon_sflash.c
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -30,7 +30,7 @@ struct bcma_sflash_tbl_e {
 	u16 numblocks;
 };
 
-static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
 	{ "M25P20", 0x11, 0x10000, 4, },
 	{ "M25P40", 0x12, 0x10000, 8, },
 
@@ -38,10 +38,10 @@ static struct bcma_sflash_tbl_e bcma_sfl
 	{ "M25P32", 0x15, 0x10000, 64, },
 	{ "M25P64", 0x16, 0x10000, 128, },
 	{ "M25FL128", 0x17, 0x10000, 256, },
-	{ 0 },
+	{ NULL },
 };
 
-static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
 	{ "SST25WF512", 1, 0x1000, 16, },
 	{ "SST25VF512", 0x48, 0x1000, 16, },
 	{ "SST25WF010", 2, 0x1000, 32, },
@@ -56,10 +56,10 @@ static struct bcma_sflash_tbl_e bcma_sfl
 	{ "SST25VF016", 0x41, 0x1000, 512, },
 	{ "SST25VF032", 0x4a, 0x1000, 1024, },
 	{ "SST25VF064", 0x4b, 0x1000, 2048, },
-	{ 0 },
+	{ NULL },
 };
 
-static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
 	{ "AT45DB011", 0xc, 256, 512, },
 	{ "AT45DB021", 0x14, 256, 1024, },
 	{ "AT45DB041", 0x1c, 256, 2048, },
@@ -67,7 +67,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
 	{ "AT45DB161", 0x2c, 512, 4096, },
 	{ "AT45DB321", 0x34, 512, 8192, },
 	{ "AT45DB642", 0x3c, 1024, 8192, },
-	{ 0 },
+	{ NULL },
 };
 
 static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
@@ -89,7 +89,7 @@ int bcma_sflash_init(struct bcma_drv_cc
 {
 	struct bcma_bus *bus = cc->core->bus;
 	struct bcma_sflash *sflash = &cc->sflash;
-	struct bcma_sflash_tbl_e *e;
+	const struct bcma_sflash_tbl_e *e;
 	u32 id, id2;
 
 	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -9,6 +9,9 @@
  */
 
 #include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
 #include <linux/export.h>
 #include <linux/bcma/bcma.h>
 
@@ -73,19 +76,136 @@ static void bcma_gpio_free(struct gpio_c
 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
 }
 
+#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
 static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 {
 	struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
 
 	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
-		return bcma_core_irq(cc->core);
+		return irq_find_mapping(cc->irq_domain, gpio);
 	else
 		return -EINVAL;
 }
 
+static void bcma_gpio_irq_unmask(struct irq_data *d)
+{
+	struct bcma_drv_cc *cc = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
+	u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
+
+	bcma_chipco_gpio_polarity(cc, BIT(gpio), val);
+	bcma_chipco_gpio_intmask(cc, BIT(gpio), BIT(gpio));
+}
+
+static void bcma_gpio_irq_mask(struct irq_data *d)
+{
+	struct bcma_drv_cc *cc = irq_data_get_irq_chip_data(d);
+	int gpio = irqd_to_hwirq(d);
+
+	bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
+}
+
+static struct irq_chip bcma_gpio_irq_chip = {
+	.name		= "BCMA-GPIO",
+	.irq_mask	= bcma_gpio_irq_mask,
+	.irq_unmask	= bcma_gpio_irq_unmask,
+};
+
+static irqreturn_t bcma_gpio_irq_handler(int irq, void *dev_id)
+{
+	struct bcma_drv_cc *cc = dev_id;
+	u32 val = bcma_cc_read32(cc, BCMA_CC_GPIOIN);
+	u32 mask = bcma_cc_read32(cc, BCMA_CC_GPIOIRQ);
+	u32 pol = bcma_cc_read32(cc, BCMA_CC_GPIOPOL);
+	unsigned long irqs = (val ^ pol) & mask;
+	int gpio;
+
+	if (!irqs)
+		return IRQ_NONE;
+
+	for_each_set_bit(gpio, &irqs, cc->gpio.ngpio)
+		generic_handle_irq(bcma_gpio_to_irq(&cc->gpio, gpio));
+	bcma_chipco_gpio_polarity(cc, irqs, val & irqs);
+
+	return IRQ_HANDLED;
+}
+
+static int bcma_gpio_irq_domain_init(struct bcma_drv_cc *cc)
+{
+	struct gpio_chip *chip = &cc->gpio;
+	int gpio, hwirq, err;
+
+	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
+		return 0;
+
+	cc->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
+					       &irq_domain_simple_ops, cc);
+	if (!cc->irq_domain) {
+		err = -ENODEV;
+		goto err_irq_domain;
+	}
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_create_mapping(cc->irq_domain, gpio);
+
+		irq_set_chip_data(irq, cc);
+		irq_set_chip_and_handler(irq, &bcma_gpio_irq_chip,
+					 handle_simple_irq);
+	}
+
+	hwirq = bcma_core_irq(cc->core);
+	err = request_irq(hwirq, bcma_gpio_irq_handler, IRQF_SHARED, "gpio",
+			  cc);
+	if (err)
+		goto err_req_irq;
+
+	bcma_chipco_gpio_intmask(cc, ~0, 0);
+	bcma_cc_set32(cc, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO);
+
+	return 0;
+
+err_req_irq:
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(cc->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(cc->irq_domain);
+err_irq_domain:
+	return err;
+}
+
+static void bcma_gpio_irq_domain_exit(struct bcma_drv_cc *cc)
+{
+	struct gpio_chip *chip = &cc->gpio;
+	int gpio;
+
+	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
+		return;
+
+	bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
+	free_irq(bcma_core_irq(cc->core), cc);
+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
+		int irq = irq_find_mapping(cc->irq_domain, gpio);
+
+		irq_dispose_mapping(irq);
+	}
+	irq_domain_remove(cc->irq_domain);
+}
+#else
+static int bcma_gpio_irq_domain_init(struct bcma_drv_cc *cc)
+{
+	return 0;
+}
+
+static void bcma_gpio_irq_domain_exit(struct bcma_drv_cc *cc)
+{
+}
+#endif
+
 int bcma_gpio_init(struct bcma_drv_cc *cc)
 {
 	struct gpio_chip *chip = &cc->gpio;
+	int err;
 
 	chip->label		= "bcma_gpio";
 	chip->owner		= THIS_MODULE;
@@ -95,8 +215,18 @@ int bcma_gpio_init(struct bcma_drv_cc *c
 	chip->set		= bcma_gpio_set_value;
 	chip->direction_input	= bcma_gpio_direction_input;
 	chip->direction_output	= bcma_gpio_direction_output;
+#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
 	chip->to_irq		= bcma_gpio_to_irq;
-	chip->ngpio		= 16;
+#endif
+	switch (cc->core->bus->chipinfo.id) {
+	case BCMA_CHIP_ID_BCM5357:
+	case BCMA_CHIP_ID_BCM53572:
+		chip->ngpio	= 32;
+		break;
+	default:
+		chip->ngpio	= 16;
+	}
+
 	/* There is just one SoC in one device and its GPIO addresses should be
 	 * deterministic to address them more easily. The other buses could get
 	 * a random base number. */
@@ -105,10 +235,21 @@ int bcma_gpio_init(struct bcma_drv_cc *c
 	else
 		chip->base		= -1;
 
-	return gpiochip_add(chip);
+	err = bcma_gpio_irq_domain_init(cc);
+	if (err)
+		return err;
+
+	err = gpiochip_add(chip);
+	if (err) {
+		bcma_gpio_irq_domain_exit(cc);
+		return err;
+	}
+
+	return 0;
 }
 
 int bcma_gpio_unregister(struct bcma_drv_cc *cc)
 {
+	bcma_gpio_irq_domain_exit(cc);
 	return gpiochip_remove(&cc->gpio);
 }
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -31,7 +31,7 @@ static void bcma_pcie_write(struct bcma_
 	pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data);
 }
 
-static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy)
+static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u16 phy)
 {
 	u32 v;
 	int i;
@@ -55,7 +55,7 @@ static void bcma_pcie_mdio_set_phy(struc
 	}
 }
 
-static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address)
+static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u16 device, u8 address)
 {
 	int max_retries = 10;
 	u16 ret = 0;
@@ -98,7 +98,7 @@ static u16 bcma_pcie_mdio_read(struct bc
 	return ret;
 }
 
-static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device,
+static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u16 device,
 				u8 address, u16 data)
 {
 	int max_retries = 10;
@@ -137,6 +137,13 @@ static void bcma_pcie_mdio_write(struct
 	pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
 }
 
+static u16 bcma_pcie_mdio_writeread(struct bcma_drv_pci *pc, u16 device,
+				    u8 address, u16 data)
+{
+	bcma_pcie_mdio_write(pc, device, address, data);
+	return bcma_pcie_mdio_read(pc, device, address);
+}
+
 /**************************************************
  * Workarounds.
  **************************************************/
@@ -229,6 +236,32 @@ void bcma_core_pci_init(struct bcma_drv_
 		bcma_core_pci_clientmode_init(pc);
 }
 
+void bcma_core_pci_power_save(struct bcma_bus *bus, bool up)
+{
+	struct bcma_drv_pci *pc;
+	u16 data;
+
+	if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+		return;
+
+	pc = &bus->drv_pci[0];
+
+	if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) {
+		data = up ? 0x74 : 0x7C;
+		bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+					 BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64);
+		bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+					 BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+	} else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) {
+		data = up ? 0x75 : 0x7D;
+		bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+					 BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65);
+		bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+					 BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+	}
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
 int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
 			  bool enable)
 {
@@ -262,7 +295,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
 
-void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
+static void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
 {
 	u32 w;
 
@@ -274,4 +307,29 @@ void bcma_core_pci_extend_L1timer(struct
 	bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w);
 	bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
 }
-EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer);
+
+void bcma_core_pci_up(struct bcma_bus *bus)
+{
+	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)
+{
+	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
@@ -581,6 +581,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI
 int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
 {
 	struct bcma_drv_pci_host *pc_host;
+	int readrq;
 
 	if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
 		/* This is not a device on the PCI-core bridge. */
@@ -595,6 +596,11 @@ int bcma_core_pci_plat_dev_init(struct p
 	dev->irq = bcma_core_irq(pc_host->pdev->core);
 	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
 
+	readrq = pcie_get_readrq(dev);
+	if (readrq > 128) {
+		pr_info("change PCIe max read request size from %i to 128\n", readrq);
+		pcie_set_readrq(dev, 128);
+	}
 	return 0;
 }
 EXPORT_SYMBOL(bcma_core_pci_plat_dev_init);
--- /dev/null
+++ b/drivers/bcma/driver_pcie2.c
@@ -0,0 +1,175 @@
+/*
+ * Broadcom specific AMBA
+ * PCIe Gen 2 Core
+ *
+ * Copyright 2014, Broadcom Corporation
+ * Copyright 2014, Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcma/bcma.h>
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+#if 0
+static u32 bcma_core_pcie2_cfg_read(struct bcma_drv_pcie2 *pcie2, u32 addr)
+{
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, addr);
+	pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR);
+	return pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA);
+}
+#endif
+
+static void bcma_core_pcie2_cfg_write(struct bcma_drv_pcie2 *pcie2, u32 addr,
+				      u32 val)
+{
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, addr);
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, val);
+}
+
+/**************************************************
+ * Init.
+ **************************************************/
+
+static u32 bcma_core_pcie2_war_delay_perst_enab(struct bcma_drv_pcie2 *pcie2,
+						bool enable)
+{
+	u32 val;
+
+	/* restore back to default */
+	val = pcie2_read32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL);
+	val |= PCIE2_CLKC_DLYPERST;
+	val &= ~PCIE2_CLKC_DISSPROMLD;
+	if (enable) {
+		val &= ~PCIE2_CLKC_DLYPERST;
+		val |= PCIE2_CLKC_DISSPROMLD;
+	}
+	pcie2_write32(pcie2, (BCMA_CORE_PCIE2_CLK_CONTROL), val);
+	/* flush */
+	return pcie2_read32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL);
+}
+
+static void bcma_core_pcie2_set_ltr_vals(struct bcma_drv_pcie2 *pcie2)
+{
+	/* LTR0 */
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x844);
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x883c883c);
+	/* LTR1 */
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x848);
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x88648864);
+	/* LTR2 */
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x84C);
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x90039003);
+}
+
+static void bcma_core_pcie2_hw_ltr_war(struct bcma_drv_pcie2 *pcie2)
+{
+	u8 core_rev = pcie2->core->id.rev;
+	u32 devstsctr2;
+
+	if (core_rev < 2 || core_rev == 10 || core_rev > 13)
+		return;
+
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+		      PCIE2_CAP_DEVSTSCTRL2_OFFSET);
+	devstsctr2 = pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA);
+	if (devstsctr2 & PCIE2_CAP_DEVSTSCTRL2_LTRENAB) {
+		/* force the right LTR values */
+		bcma_core_pcie2_set_ltr_vals(pcie2);
+
+		/* TODO:
+		si_core_wrapperreg(pcie2, 3, 0x60, 0x8080, 0); */
+
+		/* enable the LTR */
+		devstsctr2 |= PCIE2_CAP_DEVSTSCTRL2_LTRENAB;
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+			      PCIE2_CAP_DEVSTSCTRL2_OFFSET);
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, devstsctr2);
+
+		/* set the LTR state to be active */
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_LTR_STATE,
+			      PCIE2_LTR_ACTIVE);
+		usleep_range(1000, 2000);
+
+		/* set the LTR state to be sleep */
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_LTR_STATE,
+			      PCIE2_LTR_SLEEP);
+		usleep_range(1000, 2000);
+	}
+}
+
+static void pciedev_crwlpciegen2(struct bcma_drv_pcie2 *pcie2)
+{
+	u8 core_rev = pcie2->core->id.rev;
+	bool pciewar160, pciewar162;
+
+	pciewar160 = core_rev == 7 || core_rev == 9 || core_rev == 11;
+	pciewar162 = core_rev == 5 || core_rev == 7 || core_rev == 8 ||
+		     core_rev == 9 || core_rev == 11;
+
+	if (!pciewar160 && !pciewar162)
+		return;
+
+/* TODO */
+#if 0
+	pcie2_set32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL,
+		    PCIE_DISABLE_L1CLK_GATING);
+#if 0
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+		      PCIEGEN2_COE_PVT_TL_CTRL_0);
+	pcie2_mask32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA,
+		     ~(1 << COE_PVT_TL_CTRL_0_PM_DIS_L1_REENTRY_BIT));
+#endif
+#endif
+}
+
+static void pciedev_crwlpciegen2_180(struct bcma_drv_pcie2 *pcie2)
+{
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, PCIE2_PMCR_REFUP);
+	pcie2_set32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x1f);
+}
+
+static void pciedev_crwlpciegen2_182(struct bcma_drv_pcie2 *pcie2)
+{
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, PCIE2_SBMBX);
+	pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 1 << 0);
+}
+
+static void pciedev_reg_pm_clk_period(struct bcma_drv_pcie2 *pcie2)
+{
+	struct bcma_drv_cc *drv_cc = &pcie2->core->bus->drv_cc;
+	u8 core_rev = pcie2->core->id.rev;
+	u32 alp_khz, pm_value;
+
+	if (core_rev <= 13) {
+		alp_khz = bcma_pmu_get_alp_clock(drv_cc) / 1000;
+		pm_value = (1000000 * 2) / alp_khz;
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+			      PCIE2_PVT_REG_PM_CLK_PERIOD);
+		pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, pm_value);
+	}
+}
+
+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+{
+	struct bcma_chipinfo *ci = &pcie2->core->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? */
+
+	if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
+		bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
+	bcma_core_pcie2_hw_ltr_war(pcie2);
+	pciedev_crwlpciegen2(pcie2);
+	pciedev_reg_pm_clk_period(pcie2);
+	pciedev_crwlpciegen2_180(pcie2);
+	pciedev_crwlpciegen2_182(pcie2);
+}
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -188,8 +188,11 @@ static int bcma_host_pci_probe(struct pc
 		pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
 
 	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
-	if (!pci_is_pcie(dev))
-		bcma_err(bus, "PCI card detected, report problems.\n");
+	if (!pci_is_pcie(dev)) {
+		bcma_err(bus, "PCI card detected, they are not supported.\n");
+		err = -ENXIO;
+		goto err_pci_release_regions;
+	}
 
 	/* Map MMIO */
 	err = -ENOMEM;
@@ -235,7 +238,6 @@ static void bcma_host_pci_remove(struct
 	pci_release_regions(dev);
 	pci_disable_device(dev);
 	kfree(bus);
-	pci_set_drvdata(dev, NULL);
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -267,14 +269,18 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bc
 
 #endif /* CONFIG_PM_SLEEP */
 
-static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
+static const struct pci_device_id bcma_pci_bridge_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
 	{ 0, },
 };
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -69,28 +69,36 @@ static u16 bcma_cc_core_id(struct bcma_b
 	return BCMA_CORE_CHIPCOMMON;
 }
 
-struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
+struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
+					u8 unit)
 {
 	struct bcma_device *core;
 
 	list_for_each_entry(core, &bus->cores, list) {
-		if (core->id.id == coreid)
+		if (core->id.id == coreid && core->core_unit == unit)
 			return core;
 	}
 	return NULL;
 }
-EXPORT_SYMBOL_GPL(bcma_find_core);
+EXPORT_SYMBOL_GPL(bcma_find_core_unit);
 
-struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
-					u8 unit)
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+		     int timeout)
 {
-	struct bcma_device *core;
+	unsigned long deadline = jiffies + timeout;
+	u32 val;
 
-	list_for_each_entry(core, &bus->cores, list) {
-		if (core->id.id == coreid && core->core_unit == unit)
-			return core;
-	}
-	return NULL;
+	do {
+		val = bcma_read32(core, reg);
+		if ((val & mask) == value)
+			return true;
+		cpu_relax();
+		udelay(10);
+	} while (!time_after_eq(jiffies, deadline));
+
+	bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+	return false;
 }
 
 static void bcma_release_core_dev(struct device *dev)
@@ -115,6 +123,7 @@ static int bcma_register_cores(struct bc
 		case BCMA_CORE_CHIPCOMMON:
 		case BCMA_CORE_PCI:
 		case BCMA_CORE_PCIE:
+		case BCMA_CORE_PCIE2:
 		case BCMA_CORE_MIPS_74K:
 		case BCMA_CORE_4706_MAC_GBIT_COMMON:
 			continue;
@@ -148,6 +157,7 @@ static int bcma_register_cores(struct bc
 			bcma_err(bus,
 				 "Could not register dev for core 0x%03X\n",
 				 core->id.id);
+			put_device(&core->dev);
 			continue;
 		}
 		core->dev_registered = true;
@@ -218,7 +228,7 @@ int bcma_bus_register(struct bcma_bus *b
 	err = bcma_bus_scan(bus);
 	if (err) {
 		bcma_err(bus, "Failed to scan: %d\n", err);
-		return -1;
+		return err;
 	}
 
 	/* Early init CC core */
@@ -263,6 +273,13 @@ int bcma_bus_register(struct bcma_bus *b
 		bcma_core_pci_init(&bus->drv_pci[1]);
 	}
 
+	/* Init PCIe Gen 2 core */
+	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0);
+	if (core) {
+		bus->drv_pcie2.core = core;
+		bcma_core_pcie2_init(&bus->drv_pcie2);
+	}
+
 	/* Init GBIT MAC COMMON core */
 	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
 	if (core) {
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -32,6 +32,18 @@ static const struct bcma_device_id_name
 	{ BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" },
 	{ BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" },
 	{ BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" },
+	{ BCMA_CORE_NS_PCIEG2, "PCIe Gen 2" },
+	{ BCMA_CORE_NS_DMA, "DMA" },
+	{ BCMA_CORE_NS_SDIO3, "SDIO3" },
+	{ BCMA_CORE_NS_USB20, "USB 2.0" },
+	{ BCMA_CORE_NS_USB30, "USB 3.0" },
+	{ BCMA_CORE_NS_A9JTAG, "ARM Cortex A9 JTAG" },
+	{ BCMA_CORE_NS_DDR23, "Denali DDR2/DDR3 memory controller" },
+	{ BCMA_CORE_NS_ROM, "ROM" },
+	{ BCMA_CORE_NS_NAND, "NAND flash controller" },
+	{ BCMA_CORE_NS_QSPI, "SPI flash controller" },
+	{ BCMA_CORE_NS_CHIPCOMMON_B, "Chipcommon B" },
+	{ BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" },
 	{ BCMA_CORE_AMEMC, "AMEMC (DDR)" },
 	{ BCMA_CORE_ALTA, "ALTA (I2S)" },
 	{ BCMA_CORE_INVALID, "Invalid" },
@@ -201,7 +213,7 @@ static s32 bcma_erom_get_mst_port(struct
 	return ent;
 }
 
-static s32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr,
+static u32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr,
 				  u32 type, u8 port)
 {
 	u32 addrl, addrh, sizel, sizeh = 0;
@@ -213,7 +225,7 @@ static s32 bcma_erom_get_addr_desc(struc
 	    ((ent & SCAN_ADDR_TYPE) != type) ||
 	    (((ent & SCAN_ADDR_PORT) >> SCAN_ADDR_PORT_SHIFT) != port)) {
 		bcma_erom_push_ent(eromptr);
-		return -EINVAL;
+		return (u32)-EINVAL;
 	}
 
 	addrl = ent & SCAN_ADDR_ADDR;
@@ -257,11 +269,13 @@ static struct bcma_device *bcma_find_cor
 	return NULL;
 }
 
+#define IS_ERR_VALUE_U32(x) ((x) >= (u32)-MAX_ERRNO)
+
 static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 			      struct bcma_device_id *match, int core_num,
 			      struct bcma_device *core)
 {
-	s32 tmp;
+	u32 tmp;
 	u8 i, j;
 	s32 cia, cib;
 	u8 ports[2], wrappers[2];
@@ -339,11 +353,11 @@ static int bcma_get_next_core(struct bcm
 	 * the main register space for the core
 	 */
 	tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
-	if (tmp <= 0) {
+	if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
 		/* Try again to see if it is a bridge */
 		tmp = bcma_erom_get_addr_desc(bus, eromptr,
 					      SCAN_ADDR_TYPE_BRIDGE, 0);
-		if (tmp <= 0) {
+		if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
 			return -EILSEQ;
 		} else {
 			bcma_info(bus, "Bridge found\n");
@@ -357,7 +371,7 @@ static int bcma_get_next_core(struct bcm
 		for (j = 0; ; j++) {
 			tmp = bcma_erom_get_addr_desc(bus, eromptr,
 				SCAN_ADDR_TYPE_SLAVE, i);
-			if (tmp < 0) {
+			if (IS_ERR_VALUE_U32(tmp)) {
 				/* no more entries for port _i_ */
 				/* pr_debug("erom: slave port %d "
 				 * "has %d descriptors\n", i, j); */
@@ -374,7 +388,7 @@ static int bcma_get_next_core(struct bcm
 		for (j = 0; ; j++) {
 			tmp = bcma_erom_get_addr_desc(bus, eromptr,
 				SCAN_ADDR_TYPE_MWRAP, i);
-			if (tmp < 0) {
+			if (IS_ERR_VALUE_U32(tmp)) {
 				/* no more entries for port _i_ */
 				/* pr_debug("erom: master wrapper %d "
 				 * "has %d descriptors\n", i, j); */
@@ -392,7 +406,7 @@ static int bcma_get_next_core(struct bcm
 		for (j = 0; ; j++) {
 			tmp = bcma_erom_get_addr_desc(bus, eromptr,
 				SCAN_ADDR_TYPE_SWRAP, i + hack);
-			if (tmp < 0) {
+			if (IS_ERR_VALUE_U32(tmp)) {
 				/* no more entries for port _i_ */
 				/* pr_debug("erom: master wrapper %d "
 				 * has %d descriptors\n", i, j); */
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -72,12 +72,12 @@ fail:
  * R/W ops.
  **************************************************/
 
-static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom,
+			    size_t words)
 {
 	int i;
-	for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
-		sprom[i] = bcma_read16(bus->drv_cc.core,
-				       offset + (i * 2));
+	for (i = 0; i < words; i++)
+		sprom[i] = bcma_read16(bus->drv_cc.core, offset + (i * 2));
 }
 
 /**************************************************
@@ -124,29 +124,29 @@ static inline u8 bcma_crc8(u8 crc, u8 da
 	return t[crc ^ data];
 }
 
-static u8 bcma_sprom_crc(const u16 *sprom)
+static u8 bcma_sprom_crc(const u16 *sprom, size_t words)
 {
 	int word;
 	u8 crc = 0xFF;
 
-	for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) {
+	for (word = 0; word < words - 1; word++) {
 		crc = bcma_crc8(crc, sprom[word] & 0x00FF);
 		crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
 	}
-	crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF);
+	crc = bcma_crc8(crc, sprom[words - 1] & 0x00FF);
 	crc ^= 0xFF;
 
 	return crc;
 }
 
-static int bcma_sprom_check_crc(const u16 *sprom)
+static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
 {
 	u8 crc;
 	u8 expected_crc;
 	u16 tmp;
 
-	crc = bcma_sprom_crc(sprom);
-	tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC;
+	crc = bcma_sprom_crc(sprom, words);
+	tmp = sprom[words - 1] & SSB_SPROM_REVISION_CRC;
 	expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
 	if (crc != expected_crc)
 		return -EPROTO;
@@ -154,21 +154,25 @@ static int bcma_sprom_check_crc(const u1
 	return 0;
 }
 
-static int bcma_sprom_valid(const u16 *sprom)
+static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
+			    size_t words)
 {
 	u16 revision;
 	int err;
 
-	err = bcma_sprom_check_crc(sprom);
+	err = bcma_sprom_check_crc(sprom, words);
 	if (err)
 		return err;
 
-	revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
-	if (revision != 8 && revision != 9) {
+	revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
+	if (revision != 8 && revision != 9 && revision != 10) {
 		pr_err("Unsupported SPROM revision: %d\n", revision);
 		return -ENOENT;
 	}
 
+	bus->sprom.revision = revision;
+	bcma_debug(bus, "Found SPROM revision %d\n", revision);
+
 	return 0;
 }
 
@@ -197,6 +201,23 @@ static int bcma_sprom_valid(const u16 *s
 		SPEX(_field[7], _offset + 14, _mask, _shift);	\
 	} while (0)
 
+static s8 sprom_extract_antgain(const u16 *in, u16 offset, u16 mask, u16 shift)
+{
+	u16 v;
+	u8 gain;
+
+	v = in[SPOFF(offset)];
+	gain = (v & mask) >> shift;
+	if (gain == 0xFF) {
+		gain = 8; /* If unset use 2dBm */
+	} else {
+		/* Q5.2 Fractional part is stored in 0xC0 */
+		gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2);
+	}
+
+	return (s8)gain;
+}
+
 static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
 {
 	u16 v, o;
@@ -208,9 +229,6 @@ static void bcma_sprom_extract_r8(struct
 	BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
 			ARRAY_SIZE(bus->sprom.core_pwr_info));
 
-	bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
-		SSB_SPROM_REVISION_REV;
-
 	for (i = 0; i < 3; i++) {
 		v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
 		*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
@@ -380,14 +398,22 @@ static void bcma_sprom_extract_r8(struct
 	SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, ~0, 0);
 
 	/* Extract the antenna gain values. */
-	SPEX(antenna_gain.a0, SSB_SPROM8_AGAIN01,
-	     SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
-	SPEX(antenna_gain.a1, SSB_SPROM8_AGAIN01,
-	     SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
-	SPEX(antenna_gain.a2, SSB_SPROM8_AGAIN23,
-	     SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
-	SPEX(antenna_gain.a3, SSB_SPROM8_AGAIN23,
-	     SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+	bus->sprom.antenna_gain.a0 = sprom_extract_antgain(sprom,
+							   SSB_SPROM8_AGAIN01,
+							   SSB_SPROM8_AGAIN0,
+							   SSB_SPROM8_AGAIN0_SHIFT);
+	bus->sprom.antenna_gain.a1 = sprom_extract_antgain(sprom,
+							   SSB_SPROM8_AGAIN01,
+							   SSB_SPROM8_AGAIN1,
+							   SSB_SPROM8_AGAIN1_SHIFT);
+	bus->sprom.antenna_gain.a2 = sprom_extract_antgain(sprom,
+							   SSB_SPROM8_AGAIN23,
+							   SSB_SPROM8_AGAIN2,
+							   SSB_SPROM8_AGAIN2_SHIFT);
+	bus->sprom.antenna_gain.a3 = sprom_extract_antgain(sprom,
+							   SSB_SPROM8_AGAIN23,
+							   SSB_SPROM8_AGAIN3,
+							   SSB_SPROM8_AGAIN3_SHIFT);
 
 	SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
 	     SSB_SPROM8_LEDDC_ON_SHIFT);
@@ -502,12 +528,14 @@ static bool bcma_sprom_onchip_available(
 	case BCMA_CHIP_ID_BCM4331:
 		present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
 		break;
-
+	case BCMA_CHIP_ID_BCM43142:
 	case BCMA_CHIP_ID_BCM43224:
 	case BCMA_CHIP_ID_BCM43225:
 		/* for these chips OTP is always available */
 		present = true;
 		break;
+	case BCMA_CHIP_ID_BCM43131:
+	case BCMA_CHIP_ID_BCM43217:
 	case BCMA_CHIP_ID_BCM43227:
 	case BCMA_CHIP_ID_BCM43228:
 	case BCMA_CHIP_ID_BCM43428:
@@ -550,7 +578,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
 {
 	u16 offset = BCMA_CC_SPROM;
 	u16 *sprom;
-	int err = 0;
+	size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+				 SSB_SPROMSIZE_WORDS_R10, };
+	int i, err = 0;
 
 	if (!bus->drv_cc.core)
 		return -EOPNOTSUPP;
@@ -579,32 +609,37 @@ int bcma_sprom_get(struct bcma_bus *bus)
 		}
 	}
 
-	sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
-			GFP_KERNEL);
-	if (!sprom)
-		return -ENOMEM;
-
 	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
 	    bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
 		bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
 
 	bcma_debug(bus, "SPROM offset 0x%x\n", offset);
-	bcma_sprom_read(bus, offset, sprom);
+	for (i = 0; i < ARRAY_SIZE(sprom_sizes); i++) {
+		size_t words = sprom_sizes[i];
+
+		sprom = kcalloc(words, sizeof(u16), GFP_KERNEL);
+		if (!sprom)
+			return -ENOMEM;
+
+		bcma_sprom_read(bus, offset, sprom, words);
+		err = bcma_sprom_valid(bus, sprom, words);
+		if (!err)
+			break;
+
+		kfree(sprom);
+	}
 
 	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
 	    bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
 		bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
 
-	err = bcma_sprom_valid(sprom);
 	if (err) {
-		bcma_warn(bus, "invalid sprom read from the PCIe card, try to use fallback sprom\n");
+		bcma_warn(bus, "Invalid SPROM read from the PCIe card, trying to use fallback SPROM\n");
 		err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
-		goto out;
+	} else {
+		bcma_sprom_extract_r8(bus, sprom);
+		kfree(sprom);
 	}
 
-	bcma_sprom_extract_r8(bus, sprom);
-
-out:
-	kfree(sprom);
 	return err;
 }
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -6,6 +6,7 @@
 
 #include <linux/bcma/bcma_driver_chipcommon.h>
 #include <linux/bcma/bcma_driver_pci.h>
+#include <linux/bcma/bcma_driver_pcie2.h>
 #include <linux/bcma/bcma_driver_mips.h>
 #include <linux/bcma/bcma_driver_gmac_cmn.h>
 #include <linux/ssb/ssb.h> /* SPROM sharing */
@@ -72,7 +73,19 @@ struct bcma_host_ops {
 /* Core-ID values. */
 #define BCMA_CORE_OOB_ROUTER		0x367	/* Out of band */
 #define BCMA_CORE_4706_CHIPCOMMON	0x500
+#define BCMA_CORE_NS_PCIEG2		0x501
+#define BCMA_CORE_NS_DMA		0x502
+#define BCMA_CORE_NS_SDIO3		0x503
+#define BCMA_CORE_NS_USB20		0x504
+#define BCMA_CORE_NS_USB30		0x505
+#define BCMA_CORE_NS_A9JTAG		0x506
+#define BCMA_CORE_NS_DDR23		0x507
+#define BCMA_CORE_NS_ROM		0x508
+#define BCMA_CORE_NS_NAND		0x509
+#define BCMA_CORE_NS_QSPI		0x50A
+#define BCMA_CORE_NS_CHIPCOMMON_B	0x50B
 #define BCMA_CORE_4706_SOC_RAM		0x50E
+#define BCMA_CORE_ARMCA9		0x510
 #define BCMA_CORE_4706_MAC_GBIT		0x52D
 #define BCMA_CORE_AMEMC			0x52E	/* DDR1/2 memory controller core */
 #define BCMA_CORE_ALTA			0x534	/* I2S core */
@@ -144,6 +157,10 @@ struct bcma_host_ops {
 
 /* Chip IDs of PCIe devices */
 #define BCMA_CHIP_ID_BCM4313	0x4313
+#define BCMA_CHIP_ID_BCM43142	43142
+#define BCMA_CHIP_ID_BCM43131	43131
+#define BCMA_CHIP_ID_BCM43217	43217
+#define BCMA_CHIP_ID_BCM43222	43222
 #define BCMA_CHIP_ID_BCM43224	43224
 #define  BCMA_PKG_ID_BCM43224_FAB_CSM	0x8
 #define  BCMA_PKG_ID_BCM43224_FAB_SMIC	0xa
@@ -176,6 +193,11 @@ struct bcma_host_ops {
 #define  BCMA_PKG_ID_BCM5357	11
 #define BCMA_CHIP_ID_BCM53572	53572
 #define  BCMA_PKG_ID_BCM47188	9
+#define BCMA_CHIP_ID_BCM4707	53010
+#define  BCMA_PKG_ID_BCM4707	1
+#define  BCMA_PKG_ID_BCM4708	2
+#define  BCMA_PKG_ID_BCM4709	0
+#define BCMA_CHIP_ID_BCM53018	53018
 
 /* Board types (on PCI usually equals to the subsystem dev id) */
 /* BCM4313 */
@@ -315,6 +337,7 @@ struct bcma_bus {
 
 	struct bcma_drv_cc drv_cc;
 	struct bcma_drv_pci drv_pci[2];
+	struct bcma_drv_pcie2 drv_pcie2;
 	struct bcma_drv_mips drv_mips;
 	struct bcma_drv_gmac_cmn drv_gmac_cmn;
 
@@ -400,7 +423,14 @@ static inline void bcma_maskset16(struct
 	bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set);
 }
 
-extern struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid);
+extern struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
+					       u8 unit);
+static inline struct bcma_device *bcma_find_core(struct bcma_bus *bus,
+						 u16 coreid)
+{
+	return bcma_find_core_unit(bus, coreid, 0);
+}
+
 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_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -330,6 +330,8 @@
 #define BCMA_CC_PMU_CAP			0x0604 /* PMU capabilities */
 #define  BCMA_CC_PMU_CAP_REVISION	0x000000FF /* Revision mask */
 #define BCMA_CC_PMU_STAT		0x0608 /* PMU status */
+#define  BCMA_CC_PMU_STAT_EXT_LPO_AVAIL	0x00000100
+#define  BCMA_CC_PMU_STAT_WDRESET	0x00000080
 #define  BCMA_CC_PMU_STAT_INTPEND	0x00000040 /* Interrupt pending */
 #define  BCMA_CC_PMU_STAT_SBCLKST	0x00000030 /* Backplane clock status? */
 #define  BCMA_CC_PMU_STAT_HAVEALP	0x00000008 /* ALP available */
@@ -355,6 +357,11 @@
 #define BCMA_CC_REGCTL_DATA		0x065C
 #define BCMA_CC_PLLCTL_ADDR		0x0660
 #define BCMA_CC_PLLCTL_DATA		0x0664
+#define BCMA_CC_PMU_STRAPOPT		0x0668 /* (corerev >= 28) */
+#define BCMA_CC_PMU_XTAL_FREQ		0x066C /* (pmurev >= 10) */
+#define  BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK	0x00001FFF
+#define  BCMA_CC_PMU_XTAL_FREQ_MEASURE_MASK	0x80000000
+#define  BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT	31
 #define BCMA_CC_SPROM			0x0800 /* SPROM beginning */
 /* NAND flash MLC controller registers (corerev >= 38) */
 #define BCMA_CC_NAND_REVISION		0x0C00
@@ -435,6 +442,23 @@
 #define  BCMA_CC_PMU6_4706_PROC_NDIV_MODE_MASK	0x00000007
 #define  BCMA_CC_PMU6_4706_PROC_NDIV_MODE_SHIFT	0
 
+/* PMU rev 15 */
+#define BCMA_CC_PMU15_PLL_PLLCTL0	0
+#define  BCMA_CC_PMU15_PLL_PC0_CLKSEL_MASK	0x00000003
+#define  BCMA_CC_PMU15_PLL_PC0_CLKSEL_SHIFT	0
+#define  BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK	0x003FFFFC
+#define  BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT	2
+#define  BCMA_CC_PMU15_PLL_PC0_PRESCALE_MASK	0x00C00000
+#define  BCMA_CC_PMU15_PLL_PC0_PRESCALE_SHIFT	22
+#define  BCMA_CC_PMU15_PLL_PC0_KPCTRL_MASK	0x07000000
+#define  BCMA_CC_PMU15_PLL_PC0_KPCTRL_SHIFT	24
+#define  BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_MASK	0x38000000
+#define  BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_SHIFT	27
+#define  BCMA_CC_PMU15_PLL_PC0_FDCMODE_MASK	0x40000000
+#define  BCMA_CC_PMU15_PLL_PC0_FDCMODE_SHIFT	30
+#define  BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_MASK	0x80000000
+#define  BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_SHIFT	31
+
 /* ALP clock on pre-PMU chips */
 #define BCMA_CC_PMU_ALP_CLOCK		20000000
 /* HT clock for systems with PMU-enabled chipcommon */
@@ -507,6 +531,37 @@
 #define BCMA_CHIPCTL_5357_I2S_PINS_ENABLE	BIT(18)
 #define BCMA_CHIPCTL_5357_I2CSPI_PINS_ENABLE	BIT(19)
 
+#define BCMA_RES_4314_LPLDO_PU			BIT(0)
+#define BCMA_RES_4314_PMU_SLEEP_DIS		BIT(1)
+#define BCMA_RES_4314_PMU_BG_PU			BIT(2)
+#define BCMA_RES_4314_CBUCK_LPOM_PU		BIT(3)
+#define BCMA_RES_4314_CBUCK_PFM_PU		BIT(4)
+#define BCMA_RES_4314_CLDO_PU			BIT(5)
+#define BCMA_RES_4314_LPLDO2_LVM		BIT(6)
+#define BCMA_RES_4314_WL_PMU_PU			BIT(7)
+#define BCMA_RES_4314_LNLDO_PU			BIT(8)
+#define BCMA_RES_4314_LDO3P3_PU			BIT(9)
+#define BCMA_RES_4314_OTP_PU			BIT(10)
+#define BCMA_RES_4314_XTAL_PU			BIT(11)
+#define BCMA_RES_4314_WL_PWRSW_PU		BIT(12)
+#define BCMA_RES_4314_LQ_AVAIL			BIT(13)
+#define BCMA_RES_4314_LOGIC_RET			BIT(14)
+#define BCMA_RES_4314_MEM_SLEEP			BIT(15)
+#define BCMA_RES_4314_MACPHY_RET		BIT(16)
+#define BCMA_RES_4314_WL_CORE_READY		BIT(17)
+#define BCMA_RES_4314_ILP_REQ			BIT(18)
+#define BCMA_RES_4314_ALP_AVAIL			BIT(19)
+#define BCMA_RES_4314_MISC_PWRSW_PU		BIT(20)
+#define BCMA_RES_4314_SYNTH_PWRSW_PU		BIT(21)
+#define BCMA_RES_4314_RX_PWRSW_PU		BIT(22)
+#define BCMA_RES_4314_RADIO_PU			BIT(23)
+#define BCMA_RES_4314_VCO_LDO_PU		BIT(24)
+#define BCMA_RES_4314_AFE_LDO_PU		BIT(25)
+#define BCMA_RES_4314_RX_LDO_PU			BIT(26)
+#define BCMA_RES_4314_TX_LDO_PU			BIT(27)
+#define BCMA_RES_4314_HT_AVAIL			BIT(28)
+#define BCMA_RES_4314_MACPHY_CLK_AVAIL		BIT(29)
+
 /* Data for the PMU, if available.
  * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
  */
@@ -585,6 +640,7 @@ struct bcma_drv_cc {
 	spinlock_t gpio_lock;
 #ifdef CONFIG_BCMA_DRIVER_GPIO
 	struct gpio_chip gpio;
+	struct irq_domain *irq_domain;
 #endif
 };
 
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -181,10 +181,31 @@ struct pci_dev;
 
 #define BCMA_CORE_PCI_CFG_DEVCTRL		0xd8
 
+#define BCMA_CORE_PCI_
+
+/* MDIO devices (SERDES modules) */
+#define BCMA_CORE_PCI_MDIO_IEEE0		0x000
+#define BCMA_CORE_PCI_MDIO_IEEE1		0x001
+#define BCMA_CORE_PCI_MDIO_BLK0			0x800
+#define BCMA_CORE_PCI_MDIO_BLK1			0x801
+#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT0		0x16
+#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT1		0x17
+#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT2		0x18
+#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT3		0x19
+#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT4		0x1A
+#define BCMA_CORE_PCI_MDIO_BLK2			0x802
+#define BCMA_CORE_PCI_MDIO_BLK3			0x803
+#define BCMA_CORE_PCI_MDIO_BLK4			0x804
+#define BCMA_CORE_PCI_MDIO_TXPLL		0x808	/* TXPLL register block idx */
+#define BCMA_CORE_PCI_MDIO_TXCTRL0		0x820
+#define BCMA_CORE_PCI_MDIO_SERDESID		0x831
+#define BCMA_CORE_PCI_MDIO_RXCTRL0		0x840
+
 /* PCIE Root Capability Register bits (Host mode only) */
 #define BCMA_CORE_PCI_RC_CRS_VISIBILITY		0x0001
 
 struct bcma_drv_pci;
+struct bcma_bus;
 
 #ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
 struct bcma_drv_pci_host {
@@ -219,7 +240,9 @@ struct bcma_drv_pci {
 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);
-extern void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend);
+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);
 extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
--- /dev/null
+++ b/include/linux/bcma/bcma_driver_pcie2.h
@@ -0,0 +1,158 @@
+#ifndef LINUX_BCMA_DRIVER_PCIE2_H_
+#define LINUX_BCMA_DRIVER_PCIE2_H_
+
+#define BCMA_CORE_PCIE2_CLK_CONTROL		0x0000
+#define  PCIE2_CLKC_RST_OE			0x0001 /* When set, drives PCI_RESET out to pin */
+#define  PCIE2_CLKC_RST				0x0002 /* Value driven out to pin */
+#define  PCIE2_CLKC_SPERST			0x0004 /* SurvivePeRst */
+#define  PCIE2_CLKC_DISABLE_L1CLK_GATING	0x0010
+#define  PCIE2_CLKC_DLYPERST			0x0100 /* Delay PeRst to CoE Core */
+#define  PCIE2_CLKC_DISSPROMLD			0x0200 /* DisableSpromLoadOnPerst */
+#define  PCIE2_CLKC_WAKE_MODE_L2		0x1000 /* Wake on L2 */
+#define BCMA_CORE_PCIE2_RC_PM_CONTROL		0x0004
+#define BCMA_CORE_PCIE2_RC_PM_STATUS		0x0008
+#define BCMA_CORE_PCIE2_EP_PM_CONTROL		0x000C
+#define BCMA_CORE_PCIE2_EP_PM_STATUS		0x0010
+#define BCMA_CORE_PCIE2_EP_LTR_CONTROL		0x0014
+#define BCMA_CORE_PCIE2_EP_LTR_STATUS		0x0018
+#define BCMA_CORE_PCIE2_EP_OBFF_STATUS		0x001C
+#define BCMA_CORE_PCIE2_PCIE_ERR_STATUS		0x0020
+#define BCMA_CORE_PCIE2_RC_AXI_CONFIG		0x0100
+#define BCMA_CORE_PCIE2_EP_AXI_CONFIG		0x0104
+#define BCMA_CORE_PCIE2_RXDEBUG_STATUS0		0x0108
+#define BCMA_CORE_PCIE2_RXDEBUG_CONTROL0	0x010C
+#define BCMA_CORE_PCIE2_CONFIGINDADDR		0x0120
+#define BCMA_CORE_PCIE2_CONFIGINDDATA		0x0124
+#define BCMA_CORE_PCIE2_MDIOCONTROL		0x0128
+#define BCMA_CORE_PCIE2_MDIOWRDATA		0x012C
+#define BCMA_CORE_PCIE2_MDIORDDATA		0x0130
+#define BCMA_CORE_PCIE2_DATAINTF		0x0180
+#define BCMA_CORE_PCIE2_D2H_INTRLAZY_0		0x0188
+#define BCMA_CORE_PCIE2_H2D_INTRLAZY_0		0x018c
+#define BCMA_CORE_PCIE2_H2D_INTSTAT_0		0x0190
+#define BCMA_CORE_PCIE2_H2D_INTMASK_0		0x0194
+#define BCMA_CORE_PCIE2_D2H_INTSTAT_0		0x0198
+#define BCMA_CORE_PCIE2_D2H_INTMASK_0		0x019c
+#define BCMA_CORE_PCIE2_LTR_STATE		0x01A0 /* Latency Tolerance Reporting */
+#define  PCIE2_LTR_ACTIVE			2
+#define  PCIE2_LTR_ACTIVE_IDLE			1
+#define  PCIE2_LTR_SLEEP			0
+#define  PCIE2_LTR_FINAL_MASK			0x300
+#define  PCIE2_LTR_FINAL_SHIFT			8
+#define BCMA_CORE_PCIE2_PWR_INT_STATUS		0x01A4
+#define BCMA_CORE_PCIE2_PWR_INT_MASK		0x01A8
+#define BCMA_CORE_PCIE2_CFG_ADDR		0x01F8
+#define BCMA_CORE_PCIE2_CFG_DATA		0x01FC
+#define BCMA_CORE_PCIE2_SYS_EQ_PAGE		0x0200
+#define BCMA_CORE_PCIE2_SYS_MSI_PAGE		0x0204
+#define BCMA_CORE_PCIE2_SYS_MSI_INTREN		0x0208
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL0		0x0210
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL1		0x0214
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL2		0x0218
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL3		0x021C
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL4		0x0220
+#define BCMA_CORE_PCIE2_SYS_MSI_CTRL5		0x0224
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD0		0x0250
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL0		0x0254
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD1		0x0258
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL1		0x025C
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD2		0x0260
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL2		0x0264
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD3		0x0268
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL3		0x026C
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD4		0x0270
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL4		0x0274
+#define BCMA_CORE_PCIE2_SYS_EQ_HEAD5		0x0278
+#define BCMA_CORE_PCIE2_SYS_EQ_TAIL5		0x027C
+#define BCMA_CORE_PCIE2_SYS_RC_INTX_EN		0x0330
+#define BCMA_CORE_PCIE2_SYS_RC_INTX_CSR		0x0334
+#define BCMA_CORE_PCIE2_SYS_MSI_REQ		0x0340
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR_EN	0x0344
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR_CSR	0x0348
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR0		0x0350
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR1		0x0354
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR2		0x0358
+#define BCMA_CORE_PCIE2_SYS_HOST_INTR3		0x035C
+#define BCMA_CORE_PCIE2_SYS_EP_INT_EN0		0x0360
+#define BCMA_CORE_PCIE2_SYS_EP_INT_EN1		0x0364
+#define BCMA_CORE_PCIE2_SYS_EP_INT_CSR0		0x0370
+#define BCMA_CORE_PCIE2_SYS_EP_INT_CSR1		0x0374
+#define BCMA_CORE_PCIE2_SPROM(wordoffset)	(0x0800 + ((wordoffset) * 2))
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_0		0x0C00
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_1		0x0C04
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_2		0x0C08
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_3		0x0C0C
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_4		0x0C10
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_5		0x0C14
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_6		0x0C18
+#define BCMA_CORE_PCIE2_FUNC0_IMAP0_7		0x0C1C
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_0		0x0C20
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_1		0x0C24
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_2		0x0C28
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_3		0x0C2C
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_4		0x0C30
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_5		0x0C34
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_6		0x0C38
+#define BCMA_CORE_PCIE2_FUNC1_IMAP0_7		0x0C3C
+#define BCMA_CORE_PCIE2_FUNC0_IMAP1		0x0C80
+#define BCMA_CORE_PCIE2_FUNC1_IMAP1		0x0C88
+#define BCMA_CORE_PCIE2_FUNC0_IMAP2		0x0CC0
+#define BCMA_CORE_PCIE2_FUNC1_IMAP2		0x0CC8
+#define BCMA_CORE_PCIE2_IARR0_LOWER		0x0D00
+#define BCMA_CORE_PCIE2_IARR0_UPPER		0x0D04
+#define BCMA_CORE_PCIE2_IARR1_LOWER		0x0D08
+#define BCMA_CORE_PCIE2_IARR1_UPPER		0x0D0C
+#define BCMA_CORE_PCIE2_IARR2_LOWER		0x0D10
+#define BCMA_CORE_PCIE2_IARR2_UPPER		0x0D14
+#define BCMA_CORE_PCIE2_OARR0			0x0D20
+#define BCMA_CORE_PCIE2_OARR1			0x0D28
+#define BCMA_CORE_PCIE2_OARR2			0x0D30
+#define BCMA_CORE_PCIE2_OMAP0_LOWER		0x0D40
+#define BCMA_CORE_PCIE2_OMAP0_UPPER		0x0D44
+#define BCMA_CORE_PCIE2_OMAP1_LOWER		0x0D48
+#define BCMA_CORE_PCIE2_OMAP1_UPPER		0x0D4C
+#define BCMA_CORE_PCIE2_OMAP2_LOWER		0x0D50
+#define BCMA_CORE_PCIE2_OMAP2_UPPER		0x0D54
+#define BCMA_CORE_PCIE2_FUNC1_IARR1_SIZE	0x0D58
+#define BCMA_CORE_PCIE2_FUNC1_IARR2_SIZE	0x0D5C
+#define BCMA_CORE_PCIE2_MEM_CONTROL		0x0F00
+#define BCMA_CORE_PCIE2_MEM_ECC_ERRLOG0		0x0F04
+#define BCMA_CORE_PCIE2_MEM_ECC_ERRLOG1		0x0F08
+#define BCMA_CORE_PCIE2_LINK_STATUS		0x0F0C
+#define BCMA_CORE_PCIE2_STRAP_STATUS		0x0F10
+#define BCMA_CORE_PCIE2_RESET_STATUS		0x0F14
+#define BCMA_CORE_PCIE2_RESETEN_IN_LINKDOWN	0x0F18
+#define BCMA_CORE_PCIE2_MISC_INTR_EN		0x0F1C
+#define BCMA_CORE_PCIE2_TX_DEBUG_CFG		0x0F20
+#define BCMA_CORE_PCIE2_MISC_CONFIG		0x0F24
+#define BCMA_CORE_PCIE2_MISC_STATUS		0x0F28
+#define BCMA_CORE_PCIE2_INTR_EN			0x0F30
+#define BCMA_CORE_PCIE2_INTR_CLEAR		0x0F34
+#define BCMA_CORE_PCIE2_INTR_STATUS		0x0F38
+
+/* PCIE gen2 config regs */
+#define PCIE2_INTSTATUS				0x090
+#define PCIE2_INTMASK				0x094
+#define PCIE2_SBMBX				0x098
+
+#define PCIE2_PMCR_REFUP			0x1814 /* Trefup time */
+
+#define PCIE2_CAP_DEVSTSCTRL2_OFFSET		0xD4
+#define PCIE2_CAP_DEVSTSCTRL2_LTRENAB		0x400
+#define PCIE2_PVT_REG_PM_CLK_PERIOD		0x184c
+
+struct bcma_drv_pcie2 {
+	struct bcma_device *core;
+};
+
+#define pcie2_read16(pcie2, offset)		bcma_read16((pcie2)->core, offset)
+#define pcie2_read32(pcie2, offset)		bcma_read32((pcie2)->core, offset)
+#define pcie2_write16(pcie2, offset, val)	bcma_write16((pcie2)->core, offset, val)
+#define pcie2_write32(pcie2, offset, val)	bcma_write32((pcie2)->core, offset, val)
+
+#define pcie2_set32(pcie2, offset, set)		bcma_set32((pcie2)->core, offset, set)
+#define pcie2_mask32(pcie2, offset, mask)	bcma_mask32((pcie2)->core, offset, mask)
+
+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
+
+#endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -679,27 +679,6 @@ bool ai_clkctl_cc(struct si_pub *sih, en
 	return mode == BCMA_CLKMODE_FAST;
 }
 
-void ai_pci_up(struct si_pub *sih)
-{
-	struct si_info *sii;
-
-	sii = container_of(sih, struct si_info, pub);
-
-	if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
-		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], true);
-}
-
-/* Unconfigure and/or apply various WARs when going down */
-void ai_pci_down(struct si_pub *sih)
-{
-	struct si_info *sii;
-
-	sii = container_of(sih, struct si_info, pub);
-
-	if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
-		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], false);
-}
-
 /* Enable BT-COEX & Ex-PA for 4313 */
 void ai_epa_4313war(struct si_pub *sih)
 {
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
@@ -183,9 +183,6 @@ extern u16 ai_clkctl_fast_pwrup_delay(st
 extern bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode);
 extern bool ai_deviceremoved(struct si_pub *sih);
 
-extern void ai_pci_down(struct si_pub *sih);
-extern void ai_pci_up(struct si_pub *sih);
-
 /* Enable Ex-PA for 4313 */
 extern void ai_epa_4313war(struct si_pub *sih);
 
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -4667,7 +4667,7 @@ static int brcms_b_attach(struct brcms_c
 	brcms_c_coredisable(wlc_hw);
 
 	/* Match driver "down" state */
-	ai_pci_down(wlc_hw->sih);
+	bcma_core_pci_down(wlc_hw->d11core->bus);
 
 	/* turn off pll and xtal to match driver "down" state */
 	brcms_b_xtal(wlc_hw, OFF);
@@ -5010,12 +5010,12 @@ static int brcms_b_up_prep(struct brcms_
 	 */
 	if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
 		/* put SB PCI in down state again */
-		ai_pci_down(wlc_hw->sih);
+		bcma_core_pci_down(wlc_hw->d11core->bus);
 		brcms_b_xtal(wlc_hw, OFF);
 		return -ENOMEDIUM;
 	}
 
-	ai_pci_up(wlc_hw->sih);
+	bcma_core_pci_up(wlc_hw->d11core->bus);
 
 	/* reset the d11 core */
 	brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
@@ -5212,7 +5212,7 @@ static int brcms_b_down_finish(struct br
 
 		/* turn off primary xtal and pll */
 		if (!wlc_hw->noreset) {
-			ai_pci_down(wlc_hw->sih);
+			bcma_core_pci_down(wlc_hw->d11core->bus);
 			brcms_b_xtal(wlc_hw, OFF);
 		}
 	}