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authorDan Williams <dan.j.williams@intel.com>2009-09-08 23:32:24 +0200
committerDan Williams <dan.j.williams@intel.com>2009-09-08 23:32:24 +0200
commita348a7e6fdbcd2d5192a09719a479bb238fde727 (patch)
tree5ff94185f4e5a810777469d7fe7832a8ec2d3430 /arch/arm/mm/mmu.c
parentdmaengine: at_hdmac: add DMA slave transfers (diff)
parentLinux 2.6.31-rc1 (diff)
downloadlinux-a348a7e6fdbcd2d5192a09719a479bb238fde727.tar.xz
linux-a348a7e6fdbcd2d5192a09719a479bb238fde727.zip
Merge commit 'v2.6.31-rc1' into dmaengine
Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r--arch/arm/mm/mmu.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e6344ece00ce..4722582b17b8 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -255,6 +255,7 @@ const struct mem_type *get_mem_type(unsigned int type)
{
return type < ARRAY_SIZE(mem_types) ? &mem_types[type] : NULL;
}
+EXPORT_SYMBOL(get_mem_type);
/*
* Adjust the PMD section entries according to the CPU in use.
@@ -835,10 +836,31 @@ void __init reserve_node_zero(pg_data_t *pgdat)
BOOTMEM_EXCLUSIVE);
}
+ if (machine_is_treo680()) {
+ reserve_bootmem_node(pgdat, 0xa0000000, 0x1000,
+ BOOTMEM_EXCLUSIVE);
+ reserve_bootmem_node(pgdat, 0xa2000000, 0x1000,
+ BOOTMEM_EXCLUSIVE);
+ }
+
if (machine_is_palmt5())
reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
BOOTMEM_EXCLUSIVE);
+ /*
+ * U300 - This platform family can share physical memory
+ * between two ARM cpus, one running Linux and the other
+ * running another OS.
+ */
+ if (machine_is_u300()) {
+#ifdef CONFIG_MACH_U300_SINGLE_RAM
+#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
+ CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
+ res_size = 0x00100000;
+#endif
+#endif
+ }
+
#ifdef CONFIG_SA1111
/*
* Because of the SA1111 DMA bug, we want to preserve our