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Commit 79f2a81b authored by Geoff Levand's avatar Geoff Levand
Browse files

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: default avatarGeoff Levand <geoff@infradead.org>
parent 07c044c8

arch/powerpc/platforms/ps3/platform.h

+9 −0
Original line number Diff line number Diff line
@@ -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);

arch/powerpc/platforms/ps3/repository.c

+74 −0
Original line number Diff line number Diff line
@@ -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)