[PATCH 04/20] powerpc/8xx: move setup_initial_memory_limit() into 8xx_mmu.c

From: Christophe Leroy
Date: Wed Aug 12 2015 - 09:41:14 EST


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

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
arch/powerpc/mm/8xx_mmu.c | 17 +++++++++++++++++
arch/powerpc/mm/init_32.c | 19 -------------------
2 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/mm/8xx_mmu.c b/arch/powerpc/mm/8xx_mmu.c
index be6f041..0ddcb37 100644
--- a/arch/powerpc/mm/8xx_mmu.c
+++ b/arch/powerpc/mm/8xx_mmu.c
@@ -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
+}
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index a10be66..1a18e4b 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -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 */
--
2.1.0

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