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Commit 516d9189 authored by Christophe Leroy's avatar Christophe Leroy Committed by Scott Wood
Browse files

powerpc/8xx: move setup_initial_memory_limit() into 8xx_mmu.c 



Now we have a 8xx specific .c file for that so put it in there
as other powerpc variants do

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarScott Wood <oss@buserror.net>
parent f15eea66

arch/powerpc/mm/8xx_mmu.c

+17 −0
Original line number Diff line number Diff line
@@ -81,3 +81,20 @@ unsigned long __init mmu_mapin_ram(unsigned long top) 


	return mapped;

}



void setup_initial_memory_limit(phys_addr_t first_memblock_base,

				phys_addr_t first_memblock_size)

{

	/* We don't currently support the first MEMBLOCK not mapping 0

	 * physical on those processors

	 */

	BUG_ON(first_memblock_base != 0);



#ifdef CONFIG_PIN_TLB

	/* 8xx can only access 24MB at the moment */

	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x01800000));

#else

	/* 8xx can only access 8MB at the moment */

	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));

#endif

}

arch/powerpc/mm/init_32.c

+0 −19
Original line number Diff line number Diff line
@@ -193,22 +193,3 @@ void __init MMU_init(void) 
	/* Shortly after that, the entire linear mapping will be available */

	memblock_set_current_limit(lowmem_end_addr);

}
 


#ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */

void setup_initial_memory_limit(phys_addr_t first_memblock_base,

				phys_addr_t first_memblock_size)

{

	/* We don't currently support the first MEMBLOCK not mapping 0

	 * physical on those processors

	 */

	BUG_ON(first_memblock_base != 0);



#ifdef CONFIG_PIN_TLB

	/* 8xx can only access 24MB at the moment */

	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x01800000));

#else

	/* 8xx can only access 8MB at the moment */

	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));

#endif

}

#endif /* CONFIG_8xx */