Add routines to allow Linux based bootloaders to create and/or
modify highmem region info in the PS3 system repository where
it can be retrived by later boot stages.
Signed-off-by: Geoff Levand <ge...@infradead.org>
---
arch/powerpc/platforms/ps3/platform.h | 9 ++++
arch/powerpc/platforms/ps3/repository.c | 74 +++++++++++++++++++++++++++++++
2 files changed, 83 insertions(+)
diff --git a/arch/powerpc/platforms/ps3/platform.h
b/arch/powerpc/platforms/ps3/platform.h
index 1a633ed..4012a86 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -189,6 +189,15 @@ int ps3_repository_read_region_total(u64 *region_total);
int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size,
u64 *region_total);
+int ps3_repository_write_highmem_region_count(unsigned int region_count);
+int ps3_repository_write_highmem_base(unsigned int region_index,
+ u64 highmem_base);
+int ps3_repository_write_highmem_size(unsigned int region_index,
+ u64 highmem_size);
+int ps3_repository_write_highmem_info(unsigned int region_index,
+ u64 highmem_base, u64 highmem_size);
+int ps3_repository_delete_highmem_info(unsigned int region_index);
+
/* repository pme info */
int ps3_repository_read_num_be(unsigned int *num_be);
diff --git a/arch/powerpc/platforms/ps3/repository.c
b/arch/powerpc/platforms/ps3/repository.c
index b31142c..c73f3a6 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -1058,6 +1058,80 @@ static int write_node(u64 n1, u64 n2, u64 n3, u64 n4,
u64 v1, u64 v2)
return 0;
}
+int ps3_repository_write_highmem_region_count(unsigned int region_count)
+{
+ int result;
+ u64 v1 = (u64)region_count;
+
+ result = write_node(
+ make_first_field("highmem", 0),
+ make_field("region", 0),
+ make_field("count", 0),
+ 0,
+ v1, 0);
+ return result;
+}
+
+int ps3_repository_write_highmem_base(unsigned int region_index,
+ u64 highmem_base)
+{
+ return write_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("base", 0),
+ 0,
+ highmem_base, 0);
+}
+
+int ps3_repository_write_highmem_size(unsigned int region_index,
+ u64 highmem_size)
+{
+ return write_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("size", 0),
+ 0,
+ highmem_size, 0);
+}
+
+int ps3_repository_write_highmem_info(unsigned int region_index,
+ u64 highmem_base, u64 highmem_size)
+{
+ int result;
+
+ result = ps3_repository_write_highmem_base(region_index, highmem_base);
+ return result ? result
+ : ps3_repository_write_highmem_size(region_index, highmem_size);
+}
+
+static int ps3_repository_delete_highmem_base(unsigned int region_index)
+{
+ return delete_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("base", 0),
+ 0);
+}
+
+static int ps3_repository_delete_highmem_size(unsigned int region_index)
+{
+ return delete_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("size", 0),
+ 0);
+}
+
+int ps3_repository_delete_highmem_info(unsigned int region_index)
+{
+ int result;
+
+ result = ps3_repository_delete_highmem_base(region_index);
+ result += ps3_repository_delete_highmem_size(region_index);
+
+ return result ? -1 : 0;
+}
+
#endif /* defined(CONFIG_PS3_WRITE_REPOSITORY) */
#if defined(DEBUG)
--
1.7.9.5
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