sync ssb with upstream

SVN-Revision: 9302

6 files changed, 106 insertions, 59 deletions

diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb.h
index a3d1f5114b..2b5c312c49 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb.h
@@ -1,14 +1,12 @@
 #ifndef LINUX_SSB_H_
 #define LINUX_SSB_H_
-#ifdef __KERNEL__
 
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/spinlock.h>
-#ifdef CONFIG_SSB_PCIHOST
-# include <linux/pci.h>
-#endif
+#include <linux/pci.h>
+#include <linux/mod_devicetable.h>
 
 #include <linux/ssb/ssb_regs.h>
 
@@ -156,20 +154,6 @@ struct ssb_bus_ops {
 /* Vendor-ID values */
 #define SSB_VENDOR_BROADCOM	0x4243
 
-struct ssb_device_id {
-	u16 vendor;
-	u16 coreid;
-	u8 revision;
-};
-#define SSB_DEVICE(_vendor, _coreid, _revision)  \
-	{ .vendor = _vendor, .coreid = _coreid, .revision = _revision, }
-#define SSB_DEVTABLE_END  \
-	{ 0, },
-
-#define SSB_ANY_VENDOR		0xFFFF
-#define SSB_ANY_ID		0xFFFF
-#define SSB_ANY_REV		0xFF
-
 /* Some kernel subsystems poke with dev->drvdata, so we must use the
  * following ugly workaround to get from struct device to struct ssb_device */
 struct __ssb_dev_wrapper {
@@ -198,7 +182,8 @@ struct ssb_device {
 static inline
 struct ssb_device * dev_to_ssb_dev(struct device *dev)
 {
-	struct __ssb_dev_wrapper *wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
+	struct __ssb_dev_wrapper *wrap;
+	wrap = container_of(dev, struct __ssb_dev_wrapper, dev);
 	return wrap->sdev;
 }
 
@@ -296,6 +281,7 @@ struct ssb_bus {
 	struct pcmcia_device *host_pcmcia;
 
 #ifdef CONFIG_SSB_PCIHOST
+	/* Mutex to protect the SPROM writing. */
 	struct mutex pci_sprom_mutex;
 #endif
 
@@ -333,8 +319,13 @@ struct ssb_bus {
 	/* Contents of the SPROM. */
 	struct ssb_sprom sprom;
 
-	/* Internal. */
+	/* Internal-only stuff follows. Do not touch. */
 	struct list_head list;
+#ifdef CONFIG_SSB_DEBUG
+	/* Is the bus already powered up? */
+	bool powered_up;
+	int power_warn_count;
+#endif /* DEBUG */
 };
 
 /* The initialization-invariants. */
@@ -342,6 +333,9 @@ struct ssb_init_invariants {
 	struct ssb_boardinfo boardinfo;
 	struct ssb_sprom sprom;
 };
+/* Type of function to fetch the invariants. */
+typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
+				     struct ssb_init_invariants *iv);
 
 /* Register a SSB system bus. get_invariants() is called after the
  * basic system devices are initialized.
@@ -349,8 +343,7 @@ struct ssb_init_invariants {
  * Put the invariants into the struct pointed to by iv. */
 extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
 				   unsigned long baseaddr,
-				   int (*get_invariants)(struct ssb_bus *bus,
-				   			 struct ssb_init_invariants *iv));
+				   ssb_invariants_func_t get_invariants);
 #ifdef CONFIG_SSB_PCIHOST
 extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
 				   struct pci_dev *host_pci);
@@ -365,8 +358,12 @@ extern void ssb_bus_unregister(struct ssb_bus *bus);
 
 extern u32 ssb_clockspeed(struct ssb_bus *bus);
 
+/* Is the device enabled in hardware? */
 int ssb_device_is_enabled(struct ssb_device *dev);
+/* Enable a device and pass device-specific SSB_TMSLOW flags.
+ * If no device-specific flags are available, use 0. */
 void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
+/* Disable a device in hardware and pass SSB_TMSLOW flags (if any). */
 void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
 
 
@@ -408,9 +405,15 @@ static inline void ssb_pcihost_unregister(struct pci_driver *driver)
 #endif /* CONFIG_SSB_PCIHOST */
 
 
-/* Bus-Power handling functions. */
+/* If a driver is shutdown or suspended, call this to signal
+ * that the bus may be completely powered down. SSB will decide,
+ * if it's really time to power down the bus, based on if there
+ * are other devices that want to run. */
 extern int ssb_bus_may_powerdown(struct ssb_bus *bus);
-extern int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl);
+/* Before initializing and enabling a device, call this to power-up the bus.
+ * If you want to allow use of dynamic-power-control, pass the flag.
+ * Otherwise static always-on powercontrol will be used. */
+extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
 
 
 /* Various helper functions */
@@ -418,5 +421,4 @@ extern u32 ssb_admatch_base(u32 adm);
 extern u32 ssb_admatch_size(u32 adm);
 
 
-#endif /* __KERNEL__ */
 #endif /* LINUX_SSB_H_ */
diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
index 8856590230..4cb9954946 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h
@@ -12,7 +12,6 @@
  *
  * Licensed under the GPL version 2. See COPYING for details.
  */
-#ifdef __KERNEL__
 
 /** ChipCommon core registers. **/
 
@@ -364,6 +363,8 @@ extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
 extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
 extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
 
+extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
+                                    u32 *plltype, u32 *n, u32 *m);
 extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
 					u32 *plltype, u32 *n, u32 *m);
 extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
@@ -378,10 +379,18 @@ enum ssb_clkmode {
 extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
 				     enum ssb_clkmode mode);
 
+extern void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc,
+					  u32 ticks);
+
+u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask);
+
+void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value);
+
+void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value);
+
 #ifdef CONFIG_SSB_SERIAL
 extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 				  struct ssb_serial_port *ports);
 #endif /* CONFIG_SSB_SERIAL */
 
-#endif /* __KERNEL__ */
 #endif /* LINUX_SSB_CHIPCO_H_ */
diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h
index 278a637e86..a9164357b5 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h
@@ -20,12 +20,6 @@
 #ifndef LINUX_SSB_EXTIFCORE_H_
 #define LINUX_SSB_EXTIFCORE_H_
 
-#ifdef __KERNEL__
-
-struct ssb_extif {
-	struct ssb_device *dev;
-};
-
 /* external interface address space */
 #define	SSB_EXTIF_PCMCIA_MEMBASE(x)	(x)
 #define	SSB_EXTIF_PCMCIA_IOBASE(x)	((x) + 0x100000)
@@ -159,5 +153,52 @@ struct ssb_extif {
 #define SSB_EXTIF_WATCHDOG_CLK		48000000	/* Hz */
 
 
-#endif /* __KERNEL__ */
+
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+
+struct ssb_extif {
+	struct ssb_device *dev;
+};
+
+static inline bool ssb_extif_available(struct ssb_extif *extif)
+{
+	return (extif->dev != NULL);
+}
+
+extern void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
+			               u32 *plltype, u32 *n, u32 *m);
+
+extern void ssb_extif_timing_init(struct ssb_extif *extif,
+				  unsigned long ns);
+
+u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask);
+
+void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value);
+
+void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value);
+
+#ifdef CONFIG_SSB_SERIAL
+extern int ssb_extif_serial_init(struct ssb_extif *extif,
+				 struct ssb_serial_port *ports);
+#endif /* CONFIG_SSB_SERIAL */
+
+
+#else /* CONFIG_SSB_DRIVER_EXTIF */
+/* extif disabled */
+
+struct ssb_extif {
+};
+
+static inline bool ssb_extif_available(struct ssb_extif *extif)
+{
+	return 0;
+}
+
+static inline
+void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
+			        u32 *plltype, u32 *n, u32 *m)
+{
+}
+
+#endif /* CONFIG_SSB_DRIVER_EXTIF */
 #endif /* LINUX_SSB_EXTIFCORE_H_ */
diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h
index 91f2373be4..5f44e9740c 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h
@@ -1,8 +1,6 @@
 #ifndef LINUX_SSB_MIPSCORE_H_
 #define LINUX_SSB_MIPSCORE_H_
 
-#ifdef __KERNEL__
-
 #ifdef CONFIG_SSB_DRIVER_MIPS
 
 struct ssb_device;
@@ -22,11 +20,13 @@ struct ssb_mipscore {
 	int nr_serial_ports;
 	struct ssb_serial_port serial_ports[4];
 
+	u8 flash_buswidth;
 	u32 flash_window;
 	u32 flash_window_size;
 };
 
 extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
+extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
 
 extern unsigned int ssb_mips_irq(struct ssb_device *dev);
 
@@ -43,5 +43,4 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
 
 #endif /* CONFIG_SSB_DRIVER_MIPS */
 
-#endif /* __KERNEL__ */
 #endif /* LINUX_SSB_MIPSCORE_H_ */
diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h
index 5132f26103..9cfffb7b1a 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h
@@ -1,6 +1,5 @@
 #ifndef LINUX_SSB_PCICORE_H_
 #define LINUX_SSB_PCICORE_H_
-#ifdef __KERNEL__
 
 #ifdef CONFIG_SSB_DRIVER_PCICORE
 
@@ -104,5 +103,4 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
 }
 
 #endif /* CONFIG_SSB_DRIVER_PCICORE */
-#endif /* __KERNEL__ */
 #endif /* LINUX_SSB_PCICORE_H_ */
diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h
index 1fa4bf8a9d..47c7c71a5a 100644
--- a/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h
+++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h
@@ -1,31 +1,30 @@
 #ifndef LINUX_SSB_REGS_H_
 #define LINUX_SSB_REGS_H_
-#ifdef __KERNEL__
 
 
 /* SiliconBackplane Address Map.
  * All regions may not exist on all chips.
  */
-#define SSB_SDRAM_BASE		0x00000000	/* Physical SDRAM */
-#define SSB_PCI_MEM		0x08000000	/* Host Mode sb2pcitranslation0 (64 MB) */
-#define SSB_PCI_CFG		0x0c000000	/* Host Mode sb2pcitranslation1 (64 MB) */
-#define	SSB_SDRAM_SWAPPED	0x10000000	/* Byteswapped Physical SDRAM */
-#define SSB_ENUM_BASE    	0x18000000	/* Enumeration space base */
-#define	SSB_ENUM_LIMIT		0x18010000	/* Enumeration space limit */
+#define SSB_SDRAM_BASE		0x00000000U	/* Physical SDRAM */
+#define SSB_PCI_MEM		0x08000000U	/* Host Mode sb2pcitranslation0 (64 MB) */
+#define SSB_PCI_CFG		0x0c000000U	/* Host Mode sb2pcitranslation1 (64 MB) */
+#define	SSB_SDRAM_SWAPPED	0x10000000U	/* Byteswapped Physical SDRAM */
+#define SSB_ENUM_BASE    	0x18000000U	/* Enumeration space base */
+#define	SSB_ENUM_LIMIT		0x18010000U	/* Enumeration space limit */
 
-#define	SSB_FLASH2		0x1c000000	/* Flash Region 2 (region 1 shadowed here) */
-#define	SSB_FLASH2_SZ		0x02000000	/* Size of Flash Region 2 */
+#define	SSB_FLASH2		0x1c000000U	/* Flash Region 2 (region 1 shadowed here) */
+#define	SSB_FLASH2_SZ		0x02000000U	/* Size of Flash Region 2 */
 
-#define	SSB_EXTIF_BASE		0x1f000000	/* External Interface region base address */
-#define	SSB_FLASH1		0x1fc00000	/* Flash Region 1 */
-#define	SSB_FLASH1_SZ		0x00400000	/* Size of Flash Region 1 */
+#define	SSB_EXTIF_BASE		0x1f000000U	/* External Interface region base address */
+#define	SSB_FLASH1		0x1fc00000U	/* Flash Region 1 */
+#define	SSB_FLASH1_SZ		0x00400000U	/* Size of Flash Region 1 */
 
-#define SSB_PCI_DMA		0x40000000	/* Client Mode sb2pcitranslation2 (1 GB) */
-#define SSB_PCI_DMA_SZ		0x40000000	/* Client Mode sb2pcitranslation2 size in bytes */
-#define SSB_PCIE_DMA_L32		0x00000000	/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
-#define SSB_PCIE_DMA_H32		0x80000000	/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
-#define	SSB_EUART		(SB_EXTIF_BASE + 0x00800000)
-#define	SSB_LED			(SB_EXTIF_BASE + 0x00900000)
+#define SSB_PCI_DMA		0x40000000U	/* Client Mode sb2pcitranslation2 (1 GB) */
+#define SSB_PCI_DMA_SZ		0x40000000U	/* Client Mode sb2pcitranslation2 size in bytes */
+#define SSB_PCIE_DMA_L32	0x00000000U	/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
+#define SSB_PCIE_DMA_H32	0x80000000U	/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
+#define	SSB_EUART		(SSB_EXTIF_BASE + 0x00800000)
+#define	SSB_LED			(SSB_EXTIF_BASE + 0x00900000)
 
 
 /* Enumeration space constants */
@@ -268,7 +267,7 @@ enum {
 	SSB_SPROM1CCODE_NONE,
 };
 
-/* Address-Match values and masks (SSB_ADMATCH?) */
+/* Address-Match values and masks (SSB_ADMATCHxxx) */
 #define SSB_ADM_TYPE			0x00000003	/* Address type */
 #define  SSB_ADM_TYPE0			0
 #define  SSB_ADM_TYPE1			1
@@ -290,5 +289,4 @@ enum {
 #define SSB_ADM_BASE2_SHIFT		16
 
 
-#endif /* __KERNEL__ */
 #endif /* LINUX_SSB_REGS_H_ */