[PATCH v1 4/4] [makedumpfile][ppc] PPC44x page translation definitions

[Suzuki K. Poulose]

This patch defines the translation bits for PPC44x.


Signed-off-by : Suzuki K. Poulose <suzuki at in.ibm.com>
---

 arch/ppc.c     |   15 +++++++++++++++
 makedumpfile.h |    4 ++++
 2 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/arch/ppc.c b/arch/ppc.c
index 0ad2cf4..b63a617 100644
--- a/arch/ppc.c
+++ b/arch/ppc.c
@@ -37,12 +37,27 @@ struct platform {
 typedef int (*probe_func_t)(char *, struct platform *);
 
 static int probe_default_platform(char *, struct platform*);
+static int probe_ppc44x_platform(char *, struct platform*);
 
 probe_func_t probe_platforms[] = {
+	probe_ppc44x_platform,
 	probe_default_platform,		/* This should be at the end of the list */
 	NULL
 };
 
+static int probe_ppc44x_platform(char *s, struct platform *p)
+{
+	if (!strncmp(s, "ppc440", 6) || strcmp(s, "ppc470")) {
+		p->name = strdup(s);
+		p->pgdir_shift = PPC44x_PGDIR_SHIFT;
+		p->ptrs_per_pte = PPC44x_PTRS_PER_PTE;
+		p->pte_size = PPC44x_PTE_SIZE;
+
+		return TRUE;
+	}
+	return FALSE;
+}
+	
 static int probe_default_platform(char *s, struct platform *p)
 {
 	/* Accept as the default platform */
diff --git a/makedumpfile.h b/makedumpfile.h
index 3a5152c..430202b 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -543,6 +543,10 @@ do { \
 #define DEFAULT_PTRS_PER_PTE	(1024)
 #define DEFAULT_PTE_SIZE	(sizeof(unsigned long))
 
+#define PPC44x_PGDIR_SHIFT	(21)
+#define PPC44x_PTRS_PER_PTE	(512)
+#define PPC44x_PTE_SIZE 	(sizeof(unsigned long long))
+
 #define PGDIR_SHIFT		(base_platform.pgdir_shift)
 #define PTRS_PER_PTE		(base_platform.ptrs_per_pte)
 #define PTE_SIZE		(base_platform.pte_size)