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author | Geoff Levand <geoff@infradead.org> | 2012-03-31 18:13:36 -0700 |
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committer | Geoff Levand <geoff@infradead.org> | 2012-04-24 15:34:17 -0700 |
commit | 79f2a81bf117ffea757b0f298467333cf4e835a8 (patch) | |
tree | 3457e31d8f84cd62f1ec8f4a741b2c4e94c701da /arch/powerpc/platforms/ps3 | |
parent | 07c044c86e05818c2d5e99b8ff881e2e4543c6ad (diff) | |
download | op-kernel-dev-79f2a81bf117ffea757b0f298467333cf4e835a8.zip op-kernel-dev-79f2a81bf117ffea757b0f298467333cf4e835a8.tar.gz |
powerpc/ps3: Add highmem repository write routines
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 <geoff@infradead.org>
Diffstat (limited to 'arch/powerpc/platforms/ps3')
-rw-r--r-- | arch/powerpc/platforms/ps3/platform.h | 9 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/repository.c | 74 |
2 files changed, 83 insertions, 0 deletions
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) |