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Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r--arch/arm/mm/mmu.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index f866bf6b97d4..655c8376f0b5 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -154,6 +154,26 @@ static int __init noalign_setup(char *__unused)
}
__setup("noalign", noalign_setup);
+#ifndef CONFIG_SMP
+void adjust_cr(unsigned long mask, unsigned long set)
+{
+ unsigned long flags;
+
+ mask &= ~CR_A;
+
+ set &= mask;
+
+ local_irq_save(flags);
+
+ cr_no_alignment = (cr_no_alignment & ~mask) | set;
+ cr_alignment = (cr_alignment & ~mask) | set;
+
+ set_cr((get_cr() & ~mask) | set);
+
+ local_irq_restore(flags);
+}
+#endif
+
struct mem_types {
unsigned int prot_pte;
unsigned int prot_l1;
@@ -265,7 +285,7 @@ static void __init build_mem_type_table(void)
if (arch_is_coherent()) {
if (cpu_is_xsc3()) {
mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
- mem_types[MT_MEMORY].prot_pte |= L_PTE_COHERENT;
+ mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED;
}
}
@@ -294,12 +314,6 @@ static void __init build_mem_type_table(void)
mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE;
mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED;
- /*
- * User pages need to be mapped with the ASID
- * (iow, non-global)
- */
- user_pgprot |= L_PTE_ASID;
-
#ifdef CONFIG_SMP
/*
* Mark memory with the "shared" attribute for SMP systems
@@ -408,7 +422,7 @@ alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pg
}
ptep = pte_offset_kernel(pmdp, virt);
- set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot));
+ set_pte_ext(ptep, pfn_pte(phys >> PAGE_SHIFT, prot), 0);
}
/*
@@ -619,6 +633,13 @@ void __init reserve_node_zero(pg_data_t *pgdat)
if (machine_is_p720t())
res_size = 0x00014000;
+ /* H1940 and RX3715 need to reserve this for suspend */
+
+ if (machine_is_h1940() || machine_is_rx3715()) {
+ reserve_bootmem_node(pgdat, 0x30003000, 0x1000);
+ reserve_bootmem_node(pgdat, 0x30081000, 0x1000);
+ }
+
#ifdef CONFIG_SA1111
/*
* Because of the SA1111 DMA bug, we want to preserve our