Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
  [NET]: Fix and allocate less memory for ->priv'less netdevices
  [IPV6]: Fix dangling references on error in fib6_add().
  [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
  [PKT_SCHED]: Fix datalen check in tcf_simp_init().
  [INET]: Uninline the __inet_inherit_port call.
  [INET]: Drop the inet_inherit_port() call.
  SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
  [netdrvr] forcedeth: internal simplifications; changelog removal
  phylib: factor out get_phy_id from within get_phy_device
  PHY: add BCM5464 support to broadcom PHY driver
  cxgb3: Fix __must_check warning with dev_dbg.
  tc35815: Statistics cleanup
  natsemi: fix MMIO for PPC 44x platforms
  [TIPC]: Cleanup of TIPC reference table code
  [TIPC]: Optimized initialization of TIPC reference table
  [TIPC]: Remove inlining of reference table locking routines
  e1000: convert uint16_t style integers to u16
  ixgb: convert uint16_t style integers to u16
  sb1000.c: make const arrays static
  sb1000.c: stop inlining largish static functions
  ...

1 files changed, 635 insertions, 64 deletions

diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 46816cda8b9..24c2a46c147 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -3,7 +3,7 @@
  * PCMCIA-Hostbus related functions
  *
  * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2007-2008 Michael Buesch <mb@bu3sch.de>
  *
  * Licensed under the GNU/GPL. See COPYING for details.
  */
@@ -11,6 +11,7 @@
 #include <linux/ssb/ssb.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/etherdevice.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
@@ -26,59 +27,127 @@
 #define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG		0
 
 
+/* PCMCIA configuration registers */
+#define SSB_PCMCIA_ADDRESS0		0x2E
+#define SSB_PCMCIA_ADDRESS1		0x30
+#define SSB_PCMCIA_ADDRESS2		0x32
+#define SSB_PCMCIA_MEMSEG		0x34
+#define SSB_PCMCIA_SPROMCTL		0x36
+#define  SSB_PCMCIA_SPROMCTL_IDLE	0
+#define  SSB_PCMCIA_SPROMCTL_WRITE	1
+#define  SSB_PCMCIA_SPROMCTL_READ	2
+#define  SSB_PCMCIA_SPROMCTL_WRITEEN	4
+#define  SSB_PCMCIA_SPROMCTL_WRITEDIS	7
+#define  SSB_PCMCIA_SPROMCTL_DONE	8
+#define SSB_PCMCIA_SPROM_DATALO		0x38
+#define SSB_PCMCIA_SPROM_DATAHI		0x3A
+#define SSB_PCMCIA_SPROM_ADDRLO		0x3C
+#define SSB_PCMCIA_SPROM_ADDRHI		0x3E
+
+/* Hardware invariants CIS tuples */
+#define SSB_PCMCIA_CIS			0x80
+#define  SSB_PCMCIA_CIS_ID		0x01
+#define  SSB_PCMCIA_CIS_BOARDREV	0x02
+#define  SSB_PCMCIA_CIS_PA		0x03
+#define   SSB_PCMCIA_CIS_PA_PA0B0_LO	0
+#define   SSB_PCMCIA_CIS_PA_PA0B0_HI	1
+#define   SSB_PCMCIA_CIS_PA_PA0B1_LO	2
+#define   SSB_PCMCIA_CIS_PA_PA0B1_HI	3
+#define   SSB_PCMCIA_CIS_PA_PA0B2_LO	4
+#define   SSB_PCMCIA_CIS_PA_PA0B2_HI	5
+#define   SSB_PCMCIA_CIS_PA_ITSSI	6
+#define   SSB_PCMCIA_CIS_PA_MAXPOW	7
+#define  SSB_PCMCIA_CIS_OEMNAME		0x04
+#define  SSB_PCMCIA_CIS_CCODE		0x05
+#define  SSB_PCMCIA_CIS_ANTENNA		0x06
+#define  SSB_PCMCIA_CIS_ANTGAIN		0x07
+#define  SSB_PCMCIA_CIS_BFLAGS		0x08
+#define  SSB_PCMCIA_CIS_LEDS		0x09
+
+/* PCMCIA SPROM size. */
+#define SSB_PCMCIA_SPROM_SIZE		256
+#define SSB_PCMCIA_SPROM_SIZE_BYTES	(SSB_PCMCIA_SPROM_SIZE * sizeof(u16))
+
+
+/* Write to a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_write(struct ssb_bus *bus, u8 offset, u8 value)
+{
+	conf_reg_t reg;
+	int res;
+
+	memset(&reg, 0, sizeof(reg));
+	reg.Offset = offset;
+	reg.Action = CS_WRITE;
+	reg.Value = value;
+	res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+	if (unlikely(res != CS_SUCCESS))
+		return -EBUSY;
+
+	return 0;
+}
+
+/* Read from a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
+{
+	conf_reg_t reg;
+	int res;
+
+	memset(&reg, 0, sizeof(reg));
+	reg.Offset = offset;
+	reg.Action = CS_READ;
+	res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+	if (unlikely(res != CS_SUCCESS))
+		return -EBUSY;
+	*value = reg.Value;
+
+	return 0;
+}
+
 int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
 			      u8 coreidx)
 {
-	struct pcmcia_device *pdev = bus->host_pcmcia;
 	int err;
 	int attempts = 0;
 	u32 cur_core;
-	conf_reg_t reg;
 	u32 addr;
 	u32 read_addr;
+	u8 val;
 
 	addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
 	while (1) {
-		reg.Action = CS_WRITE;
-		reg.Offset = 0x2E;
-		reg.Value = (addr & 0x0000F000) >> 12;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS0,
+					   (addr & 0x0000F000) >> 12);
+		if (err)
 			goto error;
-		reg.Offset = 0x30;
-		reg.Value = (addr & 0x00FF0000) >> 16;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS1,
+					   (addr & 0x00FF0000) >> 16);
+		if (err)
 			goto error;
-		reg.Offset = 0x32;
-		reg.Value = (addr & 0xFF000000) >> 24;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS2,
+					   (addr & 0xFF000000) >> 24);
+		if (err)
 			goto error;
 
 		read_addr = 0;
 
-		reg.Action = CS_READ;
-		reg.Offset = 0x2E;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS0, &val);
+		if (err)
 			goto error;
-		read_addr |= ((u32)(reg.Value & 0x0F)) << 12;
-		reg.Offset = 0x30;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		read_addr |= ((u32)(val & 0x0F)) << 12;
+		err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS1, &val);
+		if (err)
 			goto error;
-		read_addr |= ((u32)reg.Value) << 16;
-		reg.Offset = 0x32;
-		err = pcmcia_access_configuration_register(pdev, &reg);
-		if (err != CS_SUCCESS)
+		read_addr |= ((u32)val) << 16;
+		err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS2, &val);
+		if (err)
 			goto error;
-		read_addr |= ((u32)reg.Value) << 24;
+		read_addr |= ((u32)val) << 24;
 
 		cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE;
 		if (cur_core == coreidx)
 			break;
 
+		err = -ETIMEDOUT;
 		if (attempts++ > SSB_BAR0_MAX_RETRIES)
 			goto error;
 		udelay(10);
@@ -87,7 +156,7 @@ int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
 	return 0;
 error:
 	ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
-	return -ENODEV;
+	return err;
 }
 
 int ssb_pcmcia_switch_core(struct ssb_bus *bus,
@@ -112,27 +181,21 @@ int ssb_pcmcia_switch_core(struct ssb_bus *bus,
 int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
 {
 	int attempts = 0;
-	conf_reg_t reg;
-	int res;
+	int err;
+	u8 val;
 
 	SSB_WARN_ON((seg != 0) && (seg != 1));
-	reg.Offset = 0x34;
-	reg.Function = 0;
 	while (1) {
-		reg.Action = CS_WRITE;
-		reg.Value = seg;
-		res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-		if (unlikely(res != CS_SUCCESS))
+		err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_MEMSEG, seg);
+		if (err)
 			goto error;
-		reg.Value = 0xFF;
-		reg.Action = CS_READ;
-		res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-		if (unlikely(res != CS_SUCCESS))
+		err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_MEMSEG, &val);
+		if (err)
 			goto error;
-
-		if (reg.Value == seg)
+		if (val == seg)
 			break;
 
+		err = -ETIMEDOUT;
 		if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES))
 			goto error;
 		udelay(10);
@@ -142,7 +205,7 @@ int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
 	return 0;
 error:
 	ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n");
-	return -ENODEV;
+	return err;
 }
 
 static int select_core_and_segment(struct ssb_device *dev,
@@ -172,6 +235,22 @@ static int select_core_and_segment(struct ssb_device *dev,
 	return 0;
 }
 
+static u8 ssb_pcmcia_read8(struct ssb_device *dev, u16 offset)
+{
+	struct ssb_bus *bus = dev->bus;
+	unsigned long flags;
+	int err;
+	u8 value = 0xFF;
+
+	spin_lock_irqsave(&bus->bar_lock, flags);
+	err = select_core_and_segment(dev, &offset);
+	if (likely(!err))
+		value = readb(bus->mmio + offset);
+	spin_unlock_irqrestore(&bus->bar_lock, flags);
+
+	return value;
+}
+
 static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
 {
 	struct ssb_bus *bus = dev->bus;
@@ -206,6 +285,78 @@ static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset)
 	return (lo | (hi << 16));
 }
 
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pcmcia_block_read(struct ssb_device *dev, void *buffer,
+				  size_t count, u16 offset, u8 reg_width)
+{
+	struct ssb_bus *bus = dev->bus;
+	unsigned long flags;
+	void __iomem *addr = bus->mmio + offset;
+	int err;
+
+	spin_lock_irqsave(&bus->bar_lock, flags);
+	err = select_core_and_segment(dev, &offset);
+	if (unlikely(err)) {
+		memset(buffer, 0xFF, count);
+		goto unlock;
+	}
+	switch (reg_width) {
+	case sizeof(u8): {
+		u8 *buf = buffer;
+
+		while (count) {
+			*buf = __raw_readb(addr);
+			buf++;
+			count--;
+		}
+		break;
+	}
+	case sizeof(u16): {
+		__le16 *buf = buffer;
+
+		SSB_WARN_ON(count & 1);
+		while (count) {
+			*buf = (__force __le16)__raw_readw(addr);
+			buf++;
+			count -= 2;
+		}
+		break;
+	}
+	case sizeof(u32): {
+		__le16 *buf = buffer;
+
+		SSB_WARN_ON(count & 3);
+		while (count) {
+			*buf = (__force __le16)__raw_readw(addr);
+			buf++;
+			*buf = (__force __le16)__raw_readw(addr + 2);
+			buf++;
+			count -= 4;
+		}
+		break;
+	}
+	default:
+		SSB_WARN_ON(1);
+	}
+unlock:
+	spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_pcmcia_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+	struct ssb_bus *bus = dev->bus;
+	unsigned long flags;
+	int err;
+
+	spin_lock_irqsave(&bus->bar_lock, flags);
+	err = select_core_and_segment(dev, &offset);
+	if (likely(!err))
+		writeb(value, bus->mmio + offset);
+	mmiowb();
+	spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+
 static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
 {
 	struct ssb_bus *bus = dev->bus;
@@ -236,26 +387,425 @@ static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value)
 	spin_unlock_irqrestore(&bus->bar_lock, flags);
 }
 
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pcmcia_block_write(struct ssb_device *dev, const void *buffer,
+				   size_t count, u16 offset, u8 reg_width)
+{
+	struct ssb_bus *bus = dev->bus;
+	unsigned long flags;
+	void __iomem *addr = bus->mmio + offset;
+	int err;
+
+	spin_lock_irqsave(&bus->bar_lock, flags);
+	err = select_core_and_segment(dev, &offset);
+	if (unlikely(err))
+		goto unlock;
+	switch (reg_width) {
+	case sizeof(u8): {
+		const u8 *buf = buffer;
+
+		while (count) {
+			__raw_writeb(*buf, addr);
+			buf++;
+			count--;
+		}
+		break;
+	}
+	case sizeof(u16): {
+		const __le16 *buf = buffer;
+
+		SSB_WARN_ON(count & 1);
+		while (count) {
+			__raw_writew((__force u16)(*buf), addr);
+			buf++;
+			count -= 2;
+		}
+		break;
+	}
+	case sizeof(u32): {
+		const __le16 *buf = buffer;
+
+		SSB_WARN_ON(count & 3);
+		while (count) {
+			__raw_writew((__force u16)(*buf), addr);
+			buf++;
+			__raw_writew((__force u16)(*buf), addr + 2);
+			buf++;
+			count -= 4;
+		}
+		break;
+	}
+	default:
+		SSB_WARN_ON(1);
+	}
+unlock:
+	mmiowb();
+	spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
 /* Not "static", as it's used in main.c */
 const struct ssb_bus_ops ssb_pcmcia_ops = {
+	.read8		= ssb_pcmcia_read8,
 	.read16		= ssb_pcmcia_read16,
 	.read32		= ssb_pcmcia_read32,
+	.write8		= ssb_pcmcia_write8,
 	.write16	= ssb_pcmcia_write16,
 	.write32	= ssb_pcmcia_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+	.block_read	= ssb_pcmcia_block_read,
+	.block_write	= ssb_pcmcia_block_write,
+#endif
 };
 
-#include <linux/etherdevice.h>
+static int ssb_pcmcia_sprom_command(struct ssb_bus *bus, u8 command)
+{
+	unsigned int i;
+	int err;
+	u8 value;
+
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROMCTL, command);
+	if (err)
+		return err;
+	for (i = 0; i < 1000; i++) {
+		err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROMCTL, &value);
+		if (err)
+			return err;
+		if (value & SSB_PCMCIA_SPROMCTL_DONE)
+			return 0;
+		udelay(10);
+	}
+
+	return -ETIMEDOUT;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_read(struct ssb_bus *bus, u16 offset, u16 *value)
+{
+	int err;
+	u8 lo, hi;
+
+	offset *= 2; /* Make byte offset */
+
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+				   (offset & 0x00FF));
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+				   (offset & 0xFF00) >> 8);
+	if (err)
+		return err;
+	err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_READ);
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATALO, &lo);
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATAHI, &hi);
+	if (err)
+		return err;
+	*value = (lo | (((u16)hi) << 8));
+
+	return 0;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_write(struct ssb_bus *bus, u16 offset, u16 value)
+{
+	int err;
+
+	offset *= 2; /* Make byte offset */
+
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+				   (offset & 0x00FF));
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+				   (offset & 0xFF00) >> 8);
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATALO,
+				   (value & 0x00FF));
+	if (err)
+		return err;
+	err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATAHI,
+				   (value & 0xFF00) >> 8);
+	if (err)
+		return err;
+	err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITE);
+	if (err)
+		return err;
+	msleep(20);
+
+	return 0;
+}
+
+/* Read the SPROM image. bufsize is in 16bit words. */
+static int ssb_pcmcia_sprom_read_all(struct ssb_bus *bus, u16 *sprom)
+{
+	int err, i;
+
+	for (i = 0; i < SSB_PCMCIA_SPROM_SIZE; i++) {
+		err = ssb_pcmcia_sprom_read(bus, i, &sprom[i]);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+/* Write the SPROM image. size is in 16bit words. */
+static int ssb_pcmcia_sprom_write_all(struct ssb_bus *bus, const u16 *sprom)
+{
+	int i, err;
+	bool failed = 0;
+	size_t size = SSB_PCMCIA_SPROM_SIZE;
+
+	ssb_printk(KERN_NOTICE PFX
+		   "Writing SPROM. Do NOT turn off the power! "
+		   "Please stand by...\n");
+	err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEEN);
+	if (err) {
+		ssb_printk(KERN_NOTICE PFX
+			   "Could not enable SPROM write access.\n");
+		return -EBUSY;
+	}
+	ssb_printk(KERN_NOTICE PFX "[ 0%%");
+	msleep(500);
+	for (i = 0; i < size; i++) {
+		if (i == size / 4)
+			ssb_printk("25%%");
+		else if (i == size / 2)
+			ssb_printk("50%%");
+		else if (i == (size * 3) / 4)
+			ssb_printk("75%%");
+		else if (i % 2)
+			ssb_printk(".");
+		err = ssb_pcmcia_sprom_write(bus, i, sprom[i]);
+		if (err) {
+			ssb_printk("\n" KERN_NOTICE PFX
+				   "Failed to write to SPROM.\n");
+			failed = 1;
+			break;
+		}
+	}
+	err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEDIS);
+	if (err) {
+		ssb_printk("\n" KERN_NOTICE PFX
+			   "Could not disable SPROM write access.\n");
+		failed = 1;
+	}
+	msleep(500);
+	if (!failed) {
+		ssb_printk("100%% ]\n");
+		ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
+	}
+
+	return failed ? -EBUSY : 0;
+}
+
+static int ssb_pcmcia_sprom_check_crc(const u16 *sprom, size_t size)
+{
+	//TODO
+	return 0;
+}
+
+#define GOTO_ERROR_ON(condition, description) do {	\
+	if (unlikely(condition)) {			\
+		error_description = description;	\
+		goto error;				\
+	}						\
+  } while (0)
+
 int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
 			      struct ssb_init_invariants *iv)
 {
-	//TODO
-	random_ether_addr(iv->sprom.il0mac);
+	tuple_t tuple;
+	int res;
+	unsigned char buf[32];
+	struct ssb_sprom *sprom = &iv->sprom;
+	struct ssb_boardinfo *bi = &iv->boardinfo;
+	const char *error_description;
+
+	memset(sprom, 0xFF, sizeof(*sprom));
+	sprom->revision = 1;
+	sprom->boardflags_lo = 0;
+	sprom->boardflags_hi = 0;
+
+	/* First fetch the MAC address. */
+	memset(&tuple, 0, sizeof(tuple));
+	tuple.DesiredTuple = CISTPL_FUNCE;
+	tuple.TupleData = buf;
+	tuple.TupleDataMax = sizeof(buf);
+	res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+	GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl");
+	res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+	GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl data");
+	while (1) {
+		GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
+		if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
+			break;
+		res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+		GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl");
+		res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+		GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl data");
+	}
+	GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
+	memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
+
+	/* Fetch the vendor specific tuples. */
+	memset(&tuple, 0, sizeof(tuple));
+	tuple.DesiredTuple = SSB_PCMCIA_CIS;
+	tuple.TupleData = buf;
+	tuple.TupleDataMax = sizeof(buf);
+	res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+	GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl");
+	res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+	GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl data");
+	while (1) {
+		GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
+		switch (tuple.TupleData[0]) {
+		case SSB_PCMCIA_CIS_ID:
+			GOTO_ERROR_ON((tuple.TupleDataLen != 5) &&
+				      (tuple.TupleDataLen != 7),
+				      "id tpl size");
+			bi->vendor = tuple.TupleData[1] |
+			       ((u16)tuple.TupleData[2] << 8);
+			break;
+		case SSB_PCMCIA_CIS_BOARDREV:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+				      "boardrev tpl size");
+			sprom->board_rev = tuple.TupleData[1];
+			break;
+		case SSB_PCMCIA_CIS_PA:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 9,
+				      "pa tpl size");
+			sprom->pa0b0 = tuple.TupleData[1] |
+				 ((u16)tuple.TupleData[2] << 8);
+			sprom->pa0b1 = tuple.TupleData[3] |
+				 ((u16)tuple.TupleData[4] << 8);
+			sprom->pa0b2 = tuple.TupleData[5] |
+				 ((u16)tuple.TupleData[6] << 8);
+			sprom->itssi_a = tuple.TupleData[7];
+			sprom->itssi_bg = tuple.TupleData[7];
+			sprom->maxpwr_a = tuple.TupleData[8];
+			sprom->maxpwr_bg = tuple.TupleData[8];
+			break;
+		case SSB_PCMCIA_CIS_OEMNAME:
+			/* We ignore this. */
+			break;
+		case SSB_PCMCIA_CIS_CCODE:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+				      "ccode tpl size");
+			sprom->country_code = tuple.TupleData[1];
+			break;
+		case SSB_PCMCIA_CIS_ANTENNA:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+				      "ant tpl size");
+			sprom->ant_available_a = tuple.TupleData[1];
+			sprom->ant_available_bg = tuple.TupleData[1];
+			break;
+		case SSB_PCMCIA_CIS_ANTGAIN:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+				      "antg tpl size");
+			sprom->antenna_gain.ghz24.a0 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz24.a1 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz24.a2 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz24.a3 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz5.a0 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz5.a1 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz5.a2 = tuple.TupleData[1];
+			sprom->antenna_gain.ghz5.a3 = tuple.TupleData[1];
+			break;
+		case SSB_PCMCIA_CIS_BFLAGS:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 3,
+				      "bfl tpl size");
+			sprom->boardflags_lo = tuple.TupleData[1] |
+					 ((u16)tuple.TupleData[2] << 8);
+			break;
+		case SSB_PCMCIA_CIS_LEDS:
+			GOTO_ERROR_ON(tuple.TupleDataLen != 5,
+				      "leds tpl size");
+			sprom->gpio0 = tuple.TupleData[1];
+			sprom->gpio1 = tuple.TupleData[2];
+			sprom->gpio2 = tuple.TupleData[3];
+			sprom->gpio3 = tuple.TupleData[4];
+			break;
+		}
+		res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+		if (res == CS_NO_MORE_ITEMS)
+			break;
+		GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl");
+		res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+		GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl data");
+	}
+
 	return 0;
+error:
+	ssb_printk(KERN_ERR PFX
+		   "PCMCIA: Failed to fetch device invariants: %s\n",
+		   error_description);
+	return -ENODEV;
 }
 
-int ssb_pcmcia_init(struct ssb_bus *bus)
+static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct pcmcia_device *pdev =
+		container_of(pcmciadev, struct pcmcia_device, dev);
+	struct ssb_bus *bus;
+
+	bus = ssb_pcmcia_dev_to_bus(pdev);
+	if (!bus)
+		return -ENODEV;
+
+	return ssb_attr_sprom_show(bus, buf,
+				   ssb_pcmcia_sprom_read_all);
+}
+
+static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
+					   struct device_attribute *attr,
+					   const char *buf, size_t count)
+{
+	struct pcmcia_device *pdev =
+		container_of(pcmciadev, struct pcmcia_device, dev);
+	struct ssb_bus *bus;
+
+	bus = ssb_pcmcia_dev_to_bus(pdev);
+	if (!bus)
+		return -ENODEV;
+
+	return ssb_attr_sprom_store(bus, buf, count,
+				    ssb_pcmcia_sprom_check_crc,
+				    ssb_pcmcia_sprom_write_all);
+}
+
+static DEVICE_ATTR(ssb_sprom, 0600,
+		   ssb_pcmcia_attr_sprom_show,
+		   ssb_pcmcia_attr_sprom_store);
+
+static int ssb_pcmcia_cor_setup(struct ssb_bus *bus, u8 cor)
+{
+	u8 val;
+	int err;
+
+	err = ssb_pcmcia_cfg_read(bus, cor, &val);
+	if (err)
+		return err;
+	val &= ~COR_SOFT_RESET;
+	val |= COR_FUNC_ENA | COR_IREQ_ENA | COR_LEVEL_REQ;
+	err = ssb_pcmcia_cfg_write(bus, cor, val);
+	if (err)
+		return err;
+	msleep(40);
+
+	return 0;
+}
+
+/* Initialize the PCMCIA hardware. This is called on Init and Resume. */
+int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
 {
-	conf_reg_t reg;
 	int err;
 
 	if (bus->bustype != SSB_BUSTYPE_PCMCIA)
@@ -264,24 +814,45 @@ int ssb_pcmcia_init(struct ssb_bus *bus)
 	/* Switch segment to a known state and sync
 	 * bus->mapped_pcmcia_seg with hardware state. */
 	ssb_pcmcia_switch_segment(bus, 0);
+	/* Init the COR register. */
+	err = ssb_pcmcia_cor_setup(bus, CISREG_COR);
+	if (err)
+		return err;
+	/* Some cards also need this register to get poked. */
+	err = ssb_pcmcia_cor_setup(bus, CISREG_COR + 0x80);
+	if (err)
+		return err;
 
-	/* Init IRQ routing */
-	reg.Action = CS_READ;
-	reg.Function = 0;
-	if (bus->chip_id == 0x4306)
-		reg.Offset = 0x00;
-	else
-		reg.Offset = 0x80;
-	err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-	if (err != CS_SUCCESS)
+	return 0;
+}
+
+void ssb_pcmcia_exit(struct ssb_bus *bus)
+{
+	if (bus->bustype != SSB_BUSTYPE_PCMCIA)
+		return;
+
+	device_remove_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
+}
+
+int ssb_pcmcia_init(struct ssb_bus *bus)
+{
+	int err;
+
+	if (bus->bustype != SSB_BUSTYPE_PCMCIA)
+		return 0;
+
+	err = ssb_pcmcia_hardware_setup(bus);
+	if (err)
 		goto error;
-	reg.Action = CS_WRITE;
-	reg.Value |= 0x04 | 0x01;
-	err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-	if (err != CS_SUCCESS)
+
+	bus->sprom_size = SSB_PCMCIA_SPROM_SIZE;
+	mutex_init(&bus->sprom_mutex);
+	err = device_create_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
+	if (err)
 		goto error;
 
 	return 0;
 error:
-	return -ENODEV;
+	ssb_printk(KERN_ERR PFX "Failed to initialize PCMCIA host device\n");
+	return err;
 }