X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fmachdep.h;fp=include%2Fasm-ppc%2Fmachdep.h;h=e1a0a7b213d7bdbc313cf043572e1983f0304b3a;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=b78d40870c951ac1a41c7133ac3edcc0acad1532;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h
index b78d40870..e1a0a7b21 100644
--- a/include/asm-ppc/machdep.h
+++ b/include/asm-ppc/machdep.h
@@ -4,6 +4,7 @@
 
 #include <linux/config.h>
 #include <linux/init.h>
+#include <linux/kexec.h>
 
 #include <asm/setup.h>
 #include <asm/page.h>
@@ -18,6 +19,18 @@ struct pci_dev;
 struct seq_file;
 struct file;
 
+/*
+ * This is for compatibility with ARCH=powerpc.
+ */
+#define machine_is(x)	__MACHINE_IS_##x
+#define __MACHINE_IS_powermac	0
+#define __MACHINE_IS_chrp	0
+#ifdef CONFIG_PPC_PREP
+#define __MACHINE_IS_prep	1
+#else
+#define __MACHINE_IS_prep	0
+#endif
+
 /* We export this macro for external modules like Alsa to know if
  * ppc_md.feature_call is implemented or not
  */
@@ -34,14 +47,16 @@ struct machdep_calls {
 	int		(*get_irq)(struct pt_regs *);
 	
 	/* A general init function, called by ppc_init in init/main.c.
-	   May be NULL. */
+	   May be NULL. DEPRECATED ! */
 	void		(*init)(void);
+	/* For compatibility with merged platforms */
+	void		(*init_early)(void);
 
 	void		(*restart)(char *cmd);
 	void		(*power_off)(void);
 	void		(*halt)(void);
 
-	void		(*idle)(void);
+	void		(*idle_loop)(void);
 	void		(*power_save)(void);
 
 	long		(*time_init)(void); /* Optional, may be NULL */
@@ -97,13 +112,10 @@ struct machdep_calls {
 
 	/* Get access protection for /dev/mem */
 	pgprot_t	(*phys_mem_access_prot)(struct file *file,
-						unsigned long offset,
+						unsigned long pfn,
 						unsigned long size,
 						pgprot_t vma_prot);
 
-	/* this is for modules, since _machine can be a define -- Cort */
-	int ppc_machine;
-
 	/* Motherboard/chipset features. This is a kind of general purpose
 	 * hook used to control some machine specific features (like reset
 	 * lines, chip power control, etc...).
@@ -114,6 +126,36 @@ struct machdep_calls {
 	/* functions for dealing with other cpus */
 	struct smp_ops_t *smp_ops;
 #endif /* CONFIG_SMP */
+
+#ifdef CONFIG_KEXEC
+	/* Called to shutdown machine specific hardware not already controlled
+	 * by other drivers.
+	 * XXX Should we move this one out of kexec scope?
+	 */
+	void (*machine_shutdown)(void);
+
+	/* Called to do the minimal shutdown needed to run a kexec'd kernel
+	 * to run successfully.
+	 * XXX Should we move this one out of kexec scope?
+	 */
+	void (*machine_crash_shutdown)(void);
+
+	/* Called to do what every setup is needed on image and the
+	 * reboot code buffer. Returns 0 on success.
+	 * Provide your own (maybe dummy) implementation if your platform
+	 * claims to support kexec.
+	 */
+	int (*machine_kexec_prepare)(struct kimage *image);
+
+	/* Called to handle any machine specific cleanup on image */
+	void (*machine_kexec_cleanup)(struct kimage *image);
+
+	/* Called to perform the _real_ kexec.
+	 * Do NOT allocate memory or fail here. We are past the point of
+	 * no return.
+	 */
+	void (*machine_kexec)(struct kimage *image);
+#endif /* CONFIG_KEXEC */
 };
 
 extern struct machdep_calls ppc_md;
@@ -121,22 +163,9 @@ extern char cmd_line[COMMAND_LINE_SIZE];
 
 extern void setup_pci_ptrs(void);
 
-/*
- * Power macintoshes have either a CUDA or a PMU controlling
- * system reset, power, NVRAM, RTC.
- */
-typedef enum sys_ctrler_kind {
-	SYS_CTRLER_UNKNOWN = 0,
-	SYS_CTRLER_CUDA = 1,
-	SYS_CTRLER_PMU = 2,
-	SYS_CTRLER_SMU = 3,
-} sys_ctrler_t;
-
-extern sys_ctrler_t sys_ctrler;
-
 #ifdef CONFIG_SMP
 struct smp_ops_t {
-	void  (*message_pass)(int target, int msg, unsigned long data, int wait);
+	void  (*message_pass)(int target, int msg);
 	int   (*probe)(void);
 	void  (*kick_cpu)(int nr);
 	void  (*setup_cpu)(int nr);