X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-powerpc%2Fmachdep.h;h=1b04e57235482ae59f276c89a9bbc6e0baa1ef4b;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=5348b820788cbdaf5e9dbcbfe97064f12b67b4bd;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5348b8207..1b04e5723 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -9,7 +9,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/seq_file.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
@@ -27,6 +26,7 @@ struct device_node;
 struct iommu_table;
 struct rtc_time;
 struct file;
+struct pci_controller;
 #ifdef CONFIG_KEXEC
 struct kimage;
 #endif
@@ -47,6 +47,7 @@ struct smp_ops_t {
 #endif
 
 struct machdep_calls {
+	char		*name;
 #ifdef CONFIG_PPC64
 	void            (*hpte_invalidate)(unsigned long slot,
 					   unsigned long va,
@@ -81,13 +82,18 @@ struct machdep_calls {
 	void		(*tce_free)(struct iommu_table *tbl,
 				    long index,
 				    long npages);
+	unsigned long	(*tce_get)(struct iommu_table *tbl,
+				    long index);
 	void		(*tce_flush)(struct iommu_table *tbl);
-	void		(*iommu_dev_setup)(struct pci_dev *dev);
-	void		(*iommu_bus_setup)(struct pci_bus *bus);
-	void		(*irq_bus_setup)(struct pci_bus *bus);
-#endif
+	void		(*pci_dma_dev_setup)(struct pci_dev *dev);
+	void		(*pci_dma_bus_setup)(struct pci_bus *bus);
+
+	void __iomem *	(*ioremap)(phys_addr_t addr, unsigned long size,
+				   unsigned long flags);
+	void		(*iounmap)(volatile void __iomem *token);
+#endif /* CONFIG_PPC64 */
 
-	int		(*probe)(int platform);
+	int		(*probe)(void);
 	void		(*setup_arch)(void);
 	void		(*init_early)(void);
 	/* Optional, may be NULL. */
@@ -95,7 +101,7 @@ struct machdep_calls {
 	void		(*show_percpuinfo)(struct seq_file *m, int i);
 
 	void		(*init_IRQ)(void);
-	int		(*get_irq)(struct pt_regs *);
+	unsigned int	(*get_irq)(void);
 #ifdef CONFIG_KEXEC
 	void		(*kexec_cpu_down)(int crash_shutdown, int secondary);
 #endif
@@ -104,6 +110,10 @@ struct machdep_calls {
 	/* Called after scanning the bus, before allocating resources */
 	void		(*pcibios_fixup)(void);
 	int		(*pci_probe_mode)(struct pci_bus *);
+	void		(*pci_irq_fixup)(struct pci_dev *dev);
+
+	/* To setup PHBs when using automatic OF platform driver for PCI */
+	int		(*pci_setup_phb)(struct pci_controller *host);
 
 	void		(*restart)(char *cmd);
 	void		(*power_off)(void);
@@ -158,6 +168,12 @@ struct machdep_calls {
 	/* Idle loop for this platform, leave empty for default idle loop */
 	void		(*idle_loop)(void);
 
+	/*
+	 * Function for waiting for work with reduced power in idle loop;
+	 * called with interrupts disabled.
+	 */
+	void		(*power_save)(void);
+
 	/* Function to enable performance monitor counters for this
 	   platform, called once per cpu. */
 	void		(*enable_pmcs)(void);
@@ -170,13 +186,6 @@ struct machdep_calls {
 	   May be NULL. */
 	void		(*init)(void);
 
-	void		(*idle)(void);
-	void		(*power_save)(void);
-
-	void		(*heartbeat)(void);
-	unsigned long	heartbeat_reset;
-	unsigned long	heartbeat_count;
-
 	void		(*setup_io_mappings)(void);
 
 	void		(*early_serial_map)(void);
@@ -198,18 +207,12 @@ struct machdep_calls {
 	 * Returns 0 to allow assignment/enabling of the device. */
 	int  (*pcibios_enable_device_hook)(struct pci_dev *, int initial);
 
-	/* For interrupt routing */
-	unsigned char (*pci_swizzle)(struct pci_dev *, unsigned char *);
-	int (*pci_map_irq)(struct pci_dev *, unsigned char, unsigned char);
-
 	/* Called in indirect_* to avoid touching devices */
 	int (*pci_exclude_device)(unsigned char, unsigned char);
 
 	/* Called at then very end of pcibios_init() */
 	void (*pcibios_after_init)(void);
 
-	/* this is for modules, since _machine can be a define -- Cort */
-	int ppc_machine;
 #endif /* CONFIG_PPC32 */
 
 	/* Called to shutdown machine specific hardware not already controlled
@@ -240,12 +243,40 @@ struct machdep_calls {
 	 */
 	void (*machine_kexec)(struct kimage *image);
 #endif /* CONFIG_KEXEC */
+
+#ifdef CONFIG_PCI_MSI
+	int (*enable_msi)(struct pci_dev *pdev);
+	void (*disable_msi)(struct pci_dev *pdev);
+#endif /* CONFIG_PCI_MSI */
 };
 
-extern void default_idle(void);
-extern void native_idle(void);
+extern void power4_idle(void);
+extern void ppc6xx_idle(void);
 
+/*
+ * ppc_md contains a copy of the machine description structure for the
+ * current platform. machine_id contains the initial address where the
+ * description was found during boot.
+ */
 extern struct machdep_calls ppc_md;
+extern struct machdep_calls *machine_id;
+
+#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
+
+#define define_machine(name)					\
+	extern struct machdep_calls mach_##name;		\
+	EXPORT_SYMBOL(mach_##name);				\
+	struct machdep_calls mach_##name __machine_desc =
+
+#define machine_is(name) \
+	({ \
+		extern struct machdep_calls mach_##name \
+			__attribute__((weak));		 \
+		machine_id == &mach_##name; \
+	})
+
+extern void probe_machine(void);
+
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 #ifdef CONFIG_PPC_PMAC