openwrt-archive/target/linux/generic/patches-4.1/020-ssb-backport.patch

--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -4,6 +4,7 @@ config BCM47XX_SSB
 	bool "SSB Support for Broadcom BCM47XX"
 	select SYS_HAS_CPU_BMIPS32_3300
 	select SSB
+	select SSB_HOST_SOC
 	select SSB_DRIVER_MIPS
 	select SSB_DRIVER_EXTIF
 	select SSB_EMBEDDED
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -80,6 +80,15 @@ config SSB_SDIOHOST
 
 	  If unsure, say N
 
+config SSB_HOST_SOC
+	bool "Support for SSB bus on SoC"
+	depends on SSB
+	help
+	  Host interface for a SSB directly mapped into memory. This is
+	  for some Broadcom SoCs from the BCM47xx and BCM53xx lines.
+
+	  If unsure, say N
+
 config SSB_SILENT
 	bool "No SSB kernel messages"
 	depends on SSB && EXPERT
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -5,8 +5,9 @@ ssb-$(CONFIG_SSB_SPROM)			+= sprom.o
 
 # host support
 ssb-$(CONFIG_SSB_PCIHOST)		+= pci.o pcihost_wrapper.o
-ssb-$(CONFIG_SSB_PCMCIAHOST)		+= pcmcia.o
+ssb-$(CONFIG_SSB_PCMCIAHOST)		+= pcmcia.o bridge_pcmcia_80211.o
 ssb-$(CONFIG_SSB_SDIOHOST)		+= sdio.o
+ssb-$(CONFIG_SSB_HOST_SOC)		+= host_soc.o
 
 # built-in drivers
 ssb-y					+= driver_chipcommon.o
--- /dev/null
+++ b/drivers/ssb/bridge_pcmcia_80211.c
@@ -0,0 +1,128 @@
+/*
+ * Broadcom 43xx PCMCIA-SSB bridge module
+ *
+ * Copyright (c) 2007 Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ciscode.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+
+#include "ssb_private.h"
+
+static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = {
+	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
+	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
+	PCMCIA_DEVICE_NULL,
+};
+
+MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl);
+
+static int ssb_host_pcmcia_probe(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb;
+	int err = -ENOMEM;
+	int res = 0;
+
+	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+	if (!ssb)
+		goto out_error;
+
+	err = -ENODEV;
+
+	dev->config_flags |= CONF_ENABLE_IRQ;
+
+	dev->resource[2]->flags |=  WIN_ENABLE | WIN_DATA_WIDTH_16 |
+			 WIN_USE_WAIT;
+	dev->resource[2]->start = 0;
+	dev->resource[2]->end = SSB_CORE_SIZE;
+	res = pcmcia_request_window(dev, dev->resource[2], 250);
+	if (res != 0)
+		goto err_kfree_ssb;
+
+	res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
+	if (res != 0)
+		goto err_disable;
+
+	if (!dev->irq)
+		goto err_disable;
+
+	res = pcmcia_enable_device(dev);
+	if (res != 0)
+		goto err_disable;
+
+	err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
+	if (err)
+		goto err_disable;
+	dev->priv = ssb;
+
+	return 0;
+
+err_disable:
+	pcmcia_disable_device(dev);
+err_kfree_ssb:
+	kfree(ssb);
+out_error:
+	ssb_err("Initialization failed (%d, %d)\n", res, err);
+	return err;
+}
+
+static void ssb_host_pcmcia_remove(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	ssb_bus_unregister(ssb);
+	pcmcia_disable_device(dev);
+	kfree(ssb);
+	dev->priv = NULL;
+}
+
+#ifdef CONFIG_PM
+static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	return ssb_bus_suspend(ssb);
+}
+
+static int ssb_host_pcmcia_resume(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	return ssb_bus_resume(ssb);
+}
+#else /* CONFIG_PM */
+# define ssb_host_pcmcia_suspend		NULL
+# define ssb_host_pcmcia_resume		NULL
+#endif /* CONFIG_PM */
+
+static struct pcmcia_driver ssb_host_pcmcia_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "ssb-pcmcia",
+	.id_table	= ssb_host_pcmcia_tbl,
+	.probe		= ssb_host_pcmcia_probe,
+	.remove		= ssb_host_pcmcia_remove,
+	.suspend	= ssb_host_pcmcia_suspend,
+	.resume		= ssb_host_pcmcia_resume,
+};
+
+/*
+ * These are not module init/exit functions!
+ * The module_pcmcia_driver() helper cannot be used here.
+ */
+int ssb_host_pcmcia_init(void)
+{
+	return pcmcia_register_driver(&ssb_host_pcmcia_driver);
+}
+
+void ssb_host_pcmcia_exit(void)
+{
+	pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
+}
--- /dev/null
+++ b/drivers/ssb/host_soc.c
@@ -0,0 +1,173 @@
+/*
+ * Sonics Silicon Backplane SoC host related functions.
+ * Subsystem core
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+
+#include "ssb_private.h"
+
+static u8 ssb_host_soc_read8(struct ssb_device *dev, u16 offset)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	return readb(bus->mmio + offset);
+}
+
+static u16 ssb_host_soc_read16(struct ssb_device *dev, u16 offset)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	return readw(bus->mmio + offset);
+}
+
+static u32 ssb_host_soc_read32(struct ssb_device *dev, u16 offset)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	return readl(bus->mmio + offset);
+}
+
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_host_soc_block_read(struct ssb_device *dev, void *buffer,
+				    size_t count, u16 offset, u8 reg_width)
+{
+	struct ssb_bus *bus = dev->bus;
+	void __iomem *addr;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	addr = bus->mmio + offset;
+
+	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): {
+		__le32 *buf = buffer;
+
+		SSB_WARN_ON(count & 3);
+		while (count) {
+			*buf = (__force __le32)__raw_readl(addr);
+			buf++;
+			count -= 4;
+		}
+		break;
+	}
+	default:
+		SSB_WARN_ON(1);
+	}
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_host_soc_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	writeb(value, bus->mmio + offset);
+}
+
+static void ssb_host_soc_write16(struct ssb_device *dev, u16 offset, u16 value)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	writew(value, bus->mmio + offset);
+}
+
+static void ssb_host_soc_write32(struct ssb_device *dev, u16 offset, u32 value)
+{
+	struct ssb_bus *bus = dev->bus;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	writel(value, bus->mmio + offset);
+}
+
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_host_soc_block_write(struct ssb_device *dev, const void *buffer,
+				     size_t count, u16 offset, u8 reg_width)
+{
+	struct ssb_bus *bus = dev->bus;
+	void __iomem *addr;
+
+	offset += dev->core_index * SSB_CORE_SIZE;
+	addr = bus->mmio + offset;
+
+	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 __le32 *buf = buffer;
+
+		SSB_WARN_ON(count & 3);
+		while (count) {
+			__raw_writel((__force u32)(*buf), addr);
+			buf++;
+			count -= 4;
+		}
+		break;
+	}
+	default:
+		SSB_WARN_ON(1);
+	}
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */
+const struct ssb_bus_ops ssb_host_soc_ops = {
+	.read8		= ssb_host_soc_read8,
+	.read16		= ssb_host_soc_read16,
+	.read32		= ssb_host_soc_read32,
+	.write8		= ssb_host_soc_write8,
+	.write16	= ssb_host_soc_write16,
+	.write32	= ssb_host_soc_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+	.block_read	= ssb_host_soc_block_read,
+	.block_write	= ssb_host_soc_block_write,
+#endif
+};
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -596,166 +596,6 @@ error:
 	return err;
 }
 
-static u8 ssb_ssb_read8(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readb(bus->mmio + offset);
-}
-
-static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readw(bus->mmio + offset);
-}
-
-static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readl(bus->mmio + offset);
-}
-
-#ifdef CONFIG_SSB_BLOCKIO
-static void ssb_ssb_block_read(struct ssb_device *dev, void *buffer,
-			       size_t count, u16 offset, u8 reg_width)
-{
-	struct ssb_bus *bus = dev->bus;
-	void __iomem *addr;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	addr = bus->mmio + offset;
-
-	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): {
-		__le32 *buf = buffer;
-
-		SSB_WARN_ON(count & 3);
-		while (count) {
-			*buf = (__force __le32)__raw_readl(addr);
-			buf++;
-			count -= 4;
-		}
-		break;
-	}
-	default:
-		SSB_WARN_ON(1);
-	}
-}
-#endif /* CONFIG_SSB_BLOCKIO */
-
-static void ssb_ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writeb(value, bus->mmio + offset);
-}
-
-static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writew(value, bus->mmio + offset);
-}
-
-static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writel(value, bus->mmio + offset);
-}
-
-#ifdef CONFIG_SSB_BLOCKIO
-static void ssb_ssb_block_write(struct ssb_device *dev, const void *buffer,
-				size_t count, u16 offset, u8 reg_width)
-{
-	struct ssb_bus *bus = dev->bus;
-	void __iomem *addr;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	addr = bus->mmio + offset;
-
-	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 __le32 *buf = buffer;
-
-		SSB_WARN_ON(count & 3);
-		while (count) {
-			__raw_writel((__force u32)(*buf), addr);
-			buf++;
-			count -= 4;
-		}
-		break;
-	}
-	default:
-		SSB_WARN_ON(1);
-	}
-}
-#endif /* CONFIG_SSB_BLOCKIO */
-
-/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */
-static const struct ssb_bus_ops ssb_ssb_ops = {
-	.read8		= ssb_ssb_read8,
-	.read16		= ssb_ssb_read16,
-	.read32		= ssb_ssb_read32,
-	.write8		= ssb_ssb_write8,
-	.write16	= ssb_ssb_write16,
-	.write32	= ssb_ssb_write32,
-#ifdef CONFIG_SSB_BLOCKIO
-	.block_read	= ssb_ssb_block_read,
-	.block_write	= ssb_ssb_block_write,
-#endif
-};
-
 static int ssb_fetch_invariants(struct ssb_bus *bus,
 				ssb_invariants_func_t get_invariants)
 {
@@ -876,7 +716,6 @@ int ssb_bus_pcibus_register(struct ssb_b
 
 	return err;
 }
-EXPORT_SYMBOL(ssb_bus_pcibus_register);
 #endif /* CONFIG_SSB_PCIHOST */
 
 #ifdef CONFIG_SSB_PCMCIAHOST
@@ -898,7 +737,6 @@ int ssb_bus_pcmciabus_register(struct ss
 
 	return err;
 }
-EXPORT_SYMBOL(ssb_bus_pcmciabus_register);
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
 #ifdef CONFIG_SSB_SDIOHOST
@@ -923,13 +761,14 @@ int ssb_bus_sdiobus_register(struct ssb_
 EXPORT_SYMBOL(ssb_bus_sdiobus_register);
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
+#ifdef CONFIG_SSB_HOST_SOC
 int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr,
 			    ssb_invariants_func_t get_invariants)
 {
 	int err;
 
 	bus->bustype = SSB_BUSTYPE_SSB;
-	bus->ops = &ssb_ssb_ops;
+	bus->ops = &ssb_host_soc_ops;
 
 	err = ssb_bus_register(bus, get_invariants, baseaddr);
 	if (!err) {
@@ -939,6 +778,7 @@ int ssb_bus_ssbbus_register(struct ssb_b
 
 	return err;
 }
+#endif
 
 int __ssb_driver_register(struct ssb_driver *drv, struct module *owner)
 {
@@ -1465,6 +1305,12 @@ static int __init ssb_modinit(void)
 		/* don't fail SSB init because of this */
 		err = 0;
 	}
+	err = ssb_host_pcmcia_init();
+	if (err) {
+		ssb_err("PCMCIA host initialization failed\n");
+		/* don't fail SSB init because of this */
+		err = 0;
+	}
 	err = ssb_gige_init();
 	if (err) {
 		ssb_err("SSB Broadcom Gigabit Ethernet driver initialization failed\n");
@@ -1482,6 +1328,7 @@ fs_initcall(ssb_modinit);
 static void __exit ssb_modexit(void)
 {
 	ssb_gige_exit();
+	ssb_host_pcmcia_exit();
 	b43_pci_ssb_bridge_exit();
 	bus_unregister(&ssb_bustype);
 }
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -147,8 +147,7 @@ error:
 	return err;
 }
 
-int ssb_pcmcia_switch_core(struct ssb_bus *bus,
-			   struct ssb_device *dev)
+static int ssb_pcmcia_switch_core(struct ssb_bus *bus, struct ssb_device *dev)
 {
 	int err;
 
--- a/drivers/ssb/sdio.c
+++ b/drivers/ssb/sdio.c
@@ -200,7 +200,7 @@ out:
 }
 
 /* host must be already claimed */
-int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev)
+static int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev)
 {
 	u8 coreidx = dev->core_index;
 	u32 sbaddr;
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -85,8 +85,6 @@ static inline int ssb_pci_init(struct ss
 
 /* pcmcia.c */
 #ifdef CONFIG_SSB_PCMCIAHOST
-extern int ssb_pcmcia_switch_core(struct ssb_bus *bus,
-				  struct ssb_device *dev);
 extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
 				     u8 coreidx);
 extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
@@ -96,13 +94,10 @@ extern int ssb_pcmcia_get_invariants(str
 extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus);
 extern void ssb_pcmcia_exit(struct ssb_bus *bus);
 extern int ssb_pcmcia_init(struct ssb_bus *bus);
+extern int ssb_host_pcmcia_init(void);
+extern void ssb_host_pcmcia_exit(void);
 extern const struct ssb_bus_ops ssb_pcmcia_ops;
 #else /* CONFIG_SSB_PCMCIAHOST */
-static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus,
-					 struct ssb_device *dev)
-{
-	return 0;
-}
 static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
 					    u8 coreidx)
 {
@@ -124,6 +119,13 @@ static inline int ssb_pcmcia_init(struct
 {
 	return 0;
 }
+static inline int ssb_host_pcmcia_init(void)
+{
+	return 0;
+}
+static inline void ssb_host_pcmcia_exit(void)
+{
+}
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
 /* sdio.c */
@@ -132,9 +134,7 @@ extern int ssb_sdio_get_invariants(struc
 				     struct ssb_init_invariants *iv);
 
 extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
-extern int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev);
 extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
-extern int ssb_sdio_hardware_setup(struct ssb_bus *bus);
 extern void ssb_sdio_exit(struct ssb_bus *bus);
 extern int ssb_sdio_init(struct ssb_bus *bus);
 
@@ -144,19 +144,10 @@ static inline u32 ssb_sdio_scan_read32(s
 {
 	return 0;
 }
-static inline int ssb_sdio_switch_core(struct ssb_bus *bus,
-					 struct ssb_device *dev)
-{
-	return 0;
-}
 static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
 {
 	return 0;
 }
-static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus)
-{
-	return 0;
-}
 static inline void ssb_sdio_exit(struct ssb_bus *bus)
 {
 }
@@ -166,6 +157,13 @@ static inline int ssb_sdio_init(struct s
 }
 #endif /* CONFIG_SSB_SDIOHOST */
 
+/**************************************************
+ * host_soc.c
+ **************************************************/
+
+#ifdef CONFIG_SSB_HOST_SOC
+extern const struct ssb_bus_ops ssb_host_soc_ops;
+#endif
 
 /* scan.c */
 extern const char *ssb_core_name(u16 coreid);